| Document | Document Title |
|---|---|
| US11570654B2 |
Link adaptation using a link quality estimation sequence
This disclosure provides systems, methods, and apparatus for link adaptation in a wireless local area network (WLAN). A link adaptation test packet from a first WLAN device to a second WLAN device may be formatted as a multiple-input-multiple-output (MIMO) transmission and may include one or more test portions for link quality estimation of the MIMO transmission. A link quality estimation portion of the test packet may permit measurement of link quality for various spatial streams of the MIMO transmission. The link adaptation test packet may enable a fast rate adaptation of a communication link based on the impact of interference to the various spatial streams. The second WLAN device may provide feedback information regarding the one or more test portions. The feedback information may be used to determine a transmission rate for a subsequent transmission from the first WLAN device to the second WLAN device based on wireless channel conditions. |
| US11570653B2 |
Synchronized detection of wireless device frame by wireless access points for optimized access point allocation by network controller
In one embodiment, a method comprises causing, by a network controller device, a first access point (AP) device to initiate a reverse sounding operation comprising wirelessly requesting a mobile constrained network device to transmit a null data packet (NDP) at a first transmission interval, wirelessly receiving the NDP at the first transmission interval, and generating a reception report describing reception of the NDP and including beamforming information; causing, by the network controller device, a second AP device to generate a corresponding reception report describing a corresponding wireless detection of the NDP at the first transmission interval; and causing, by the network controller device, the mobile constrained network device to connect to a selected one of the first AP device or the second AP device for an identified data flow based on the respective reception reports from the first and second AP devices. |
| US11570650B2 |
Communication method and apparatus in wireless communication system
Methods and devices in a wireless communication system are provided. A radio resource control (RRC) reconfiguration message configuring a medium access control (MAC) parameter for the terminal, is received from a base station. An uplink grant on a physical downlink control channel (PDCCH) is received from the base station. A generation of a MAC protocol data unit (PDU) is skipped for the uplink grant in case that skip uplink transmission information indicating the terminal to skip an uplink transmission is configured in the RRC reconfiguration message, the PDCCH is addressed to a cell radio network temporary identifier (C-RNTI), a MAC service data unit (SDU) for the MAC PDU does not exist, and the MAC PDU includes only a padding buffer status report (BSR). |
| US11570645B2 |
First roadside network unit and method for operating the first roadside network unit
A first roadside network unit is provided. A first transceiver for a first wireless communication network is designed to receive data from a second wireless network unit on a first channel of the first wireless communication network. A processor is designed to provide the received data to a second transceiver for transmission to a third roadside network unit. The second transceiver for a second wireless communication network is designed to transmit the data provided by the processor to the third roadside network unit on a second channel of the second communication network. |
| US11570643B2 |
Method for operating bandwidth part
The present disclosure provides a method by which a terminal, in which a primary cell and a secondary cell are set, activate a bandwidth part (BWP) in a wireless communication system, comprising: receiving downlink control information (DCI) from a network, the DCI notifying the terminal of the separation of the secondary cell from the dormant BWP; and activating a specific BWP of the secondary cell on the basis of the DCI, the specific BWP being a BWP set by upper layer signaling received through the terminal. |
| US11570642B2 |
Uplink transmissions for downlink control channel repetition
A wireless device may receive, via a first physical downlink control channel (PDCCH) monitoring occasion of PDCCH monitoring occasions for PDCCH repetition in a slot, a repetition of a downlink control information (DCI) triggering transmission of an uplink signal. The wireless device may transmit the uplink signal based on a number of symbols starting from a last symbol of a second PDCCH monitoring occasion among the PDCCH monitoring occasions of the slot. The second PDCCH monitoring occasion may have a latest ending time among ending times of the PDCCH monitoring occasions. |
| US11570640B2 |
Techniques for coordinating scheduling wireless communications using a repeater
Aspects described herein relate to receiving, at a repeater and from a serving base station, one or more transmitted downlink beams, receiving, at the repeater and from a downstream node served by the serving base station, one or more transmitted uplink beams, and transmitting, to the serving base station, one or more parameters related to determining a channel quality metric using at least the one or more transmitted downlink beams and the one or more transmitted uplink beams. |
| US11570639B2 |
Method, device and computer program for obtaining a measure of the temperature of a wireless adapter
A wireless adapter (10) is removably connected to an electronic device (30) to provide wireless connectivity for the electronic device (30). One or more operating parameters of the wireless adapter (10) are measured whilst the wireless adapter (10) is in use. A measure of the temperature of the wireless adapter (10) is obtained based on the measured one or more operating parameters. |
| US11570638B2 |
Automated network control systems that adapt network configurations based on the local network environment
Systems, apparatuses and methods may provide for technology that adjusts, via a short-term subsystem, a communications parameter for one or more of wireless communication devices based on data from one or more of a plurality of sensors. The technology may also determine, via a neural network, a prediction of future performance of the wireless network based on a state of the network environment, wherein the state of the network environment includes information from the short-term subsystem and location information about the wireless communication devices and other objects in the environment, and determine a change in network configuration to improve a quality of communications in the wireless network based on the prediction of future performance of the wireless network. The technology may further generate generic path loss models based on time-stamped RSSI maps and record a sequence of events that cause a significant drop in RSSI to determine a change in network configuration. |
| US11570635B2 |
Neighbor relation maintaining method and apparatus, and network device
Provided are a neighbor relation maintenance method and apparatus, including: a first node configuring measurement and instructing a terminal to report ANR-related information, or requesting a second node to configure measurement and instruct the terminal to report the ANR-related information. If the first node configures measurement and instructs the terminal to report ANR-related information, the first node maintains a neighbor relation of a cell in the first node based on the ANR-related information, and forwards the ANR-related information to the second node for maintaining a neighbor relation of a cell in the second node; if the second node configures measurement and instructs the terminal to report ANR-related information, the second node maintains the neighbor relation of the cell in the second node based on the ANR-related information, and forwards the ANR-related information to the first node for maintaining neighbor relation of the cell in the first node. |
| US11570632B1 |
Algorithm for improving zigbee reliability and latency in a multi-radio system
A computer-implemented method includes receiving, from an application framework, a set of tasks, a throughput requirement for each task of the set of tasks, and a set of active connections for a radio network comprising a Wi-Fi radio and a Zigbee radio. The computer-implemented method also includes determining, using the set of tasks, the throughput requirement for each task of the set of tasks, and the set of active connections, a target Wi-Fi radio duty cycle and setting the Wi-Fi radio to operate at the target Wi-Fi radio duty cycle. The computer-implemented method further includes monitoring, using a monitoring unit, air time statistics associated with the Wi-Fi radio, determining, using the air time statistics, a measured Wi-Fi duty cycle, and adjusting Wi-Fi radio settings to decrease a difference between the target Wi-Fi duty cycle and the measured Wi-Fi duty cycle. |
| US11570631B2 |
Concentric cells in a wireless communication system
Aspects described herein relate to a base station for providing air-to-ground wireless communication over various altitudes. The base station includes a first antenna array comprising one or more antennas configured to form a first cell coverage area extending substantially from a horizon up to a first elevation angle away from the first antenna array to a predetermined distance from the first antenna array. The base station further includes a second antenna array configured at an uptilt elevation angle to form a second cell coverage area extending at least from the first elevation angle to a second elevation away from the second antenna array, wherein the first cell coverage area and the second cell coverage area are concentric to define the ATG cell at least to the predetermined distance and up to a predetermined elevation. |
| US11570630B2 |
Electronic device with configurable antenna-pattern group
An electronic device may receive installation information about an environment of the electronic device. For example, the installation information may include a type of installation of the electronic device, such as one of: installation on a wall, installation on a pole, installation in a stadium, or installation in street furniture. Based at least in part on the installation information, the electronic device may select a group of antenna patterns that includes a subset of potential antenna patterns. Then, the electronic device communicates, via an interface circuit in the electronic device, one or more packets or frames for another electronic device using an antenna pattern in the group of antenna patterns. Note that the electronic device may determine the antenna pattern to use in subsequent communication. Moreover, the group of antenna patterns may be selected based at least in part on an orientation and/or a location of the electronic device. |
| US11570628B2 |
Method and apparatus for adjusting a reception beam
A user equipment (UE) is configured to perform a method for adjusting a reception beam. The UE performs receiving first communication signals from a base station using the reception beam having the first reception beam direction, wherein the first communication signals comprise beam direction change information; adjusting the reception beam from the first reception beam direction to a second reception beam direction in accordance with the beam direction change information; and receiving second communication signals from the base station based on the reception beam having the second reception beam direction. Through the method, the UE may actively adjust the reception beam direction based on relative movement between base station beam and itself. |
| US11570625B2 |
Secure vehicle communications architecture for improved blind spot and driving distance detection
Disclosed are techniques for improving an advanced driver-assistance system (ADAS) using a secure channel area. In one embodiment, a method is disclosed comprising establishing a secure channel area extending from at least one side of a first vehicle; detecting a presence of a second vehicle in the secure channel area; establishing a secure connection with the second vehicle upon detecting the presence; exchanging messages between the first vehicle and the second vehicle, the messages including a position and speed of a sending vehicle; taking control of a position and speed of the first vehicle based on the contents of the messages; and releasing control of the position and speed of the first vehicle upon detecting that the secure connection was released. |
| US11570624B2 |
Integrity protection method, terminal and base station
An integrity protection method, a terminal and a base station are provided. The integrity protection method, which is applied to a terminal, includes: performing an integrity protection check on data packets transmitted on a DRB, a split bearer corresponding to the DRB or a logical channel corresponding to the DRB, and determining whether an integrity protection of the DRB fails based on a result of the integrity protection check; and when it is determined that the integrity protection of the DRB fails, suspending the DRB or continuing receiving data packets carried by the DRB. |
| US11570621B2 |
V2X communication device and secured communication method thereof
Disclosed is a method for secured communication by a V2X communication device. A method for secured communication by a V2X communication device comprises the steps of: receiving a message on the basis of V2X communication; extracting adaptive certificate pre-distribution (ACPD) target information when the message includes the ACPD target information; pre-authenticating a short-term certificate; and transferring the pre-authenticated short-term certificate so that the pre-authenticated short-term certificate can be broadcasted at a predicted position. |
| US11570620B2 |
Network profile anti-spoofing on wireless gateways
A mechanism of authenticating a communication device onto a radio access network via a private wireless gateway is described. This includes communicating with a communication device via a first wireless interface authentication information, a preferred roaming list (PRL), and an initial access value are obtained from the communication device. A first expected access value is determined based on rolling code data and a secret function. The PRL is authenticated when the first expected access value matches the initial access value. The communication device is proxied onto a radio access network via a second wireless interface. The proxying includes providing the authentication information and the PRL to a cell site attached to the radio access network. |
| US11570619B2 |
Communication apparatus, communication method, and storage medium
A communication apparatus includes an authentication unit that sets a communication parameter for connecting to a wireless network, and executes authentication processing, with a base station, for registering the communication apparatus to the base station that forms the wireless network, as a management apparatus that is allowed to connect another apparatus to the wireless network, a setting unit that, based on information acquired from code information captured through imaging, sets the communication parameter to another communication apparatus corresponding to the code information, and a registration unit that executes registration processing for registering the other communication apparatus to the base station as the management apparatus, based on at least a condition that the communication parameter is set to the other communication apparatus by the setting unit. |
| US11570618B2 |
Bootstrapping devices on a network
Methods for operating a device and for managing bootstrapping of devices are disclosed. The method (100) for operating a device comprises computing (102) a derivative of a secret shared between the device and a server entity of a network, generating (104) a temporary bootstrap URI by combining at least a part of the computed derivative with a static bootstrap URI for the network, and sending (106) a bootstrap request to the temporary bootstrap URI. The method for managing bootstrapping of devices comprises generating temporary bootstrap URIs corresponding to devices operable to connect to a network, and updating a network DNS registry to map the generated temporary bootstrap URIs to the IP address of at least one of a bootstrap server instance reachable via the network and/or a bootstrap load balancer. Also disclosed are a device, a bootstrap load balancer, a bootstrap server, and a computer program. |
| US11570615B2 |
Method and apparatus for reporting capability of user equipment in wireless communication system
Provided is a communication method of a user equipment (UE) in a wireless communication system, the communication method including receiving a UE capability information request triggered by a core network from a base station and transmitting a non-access stratum (NAS) message including a UE capability identifier to the base station, in which the UE capability identifier is assigned by the core network through NAS signaling. |
| US11570613B2 |
Methods and apparatus for determining and using enclosure state information
An enclosure state, e.g., enclosed or not enclosed, of a communications device is determined based upon one or more of: i) a selected set of environmental sensor measurements, performed by the communications device, ii) a corresponding set of expected outdoor environmental conditions, e.g., sourced from a weather server, iii) weighting factors corresponding to each of the environmental conditions, and/or iv) a threshold value. The communications device performs one or more actions based on the determined enclosure state, enclosed, e.g. indoors, or not enclosed, e.g. outdoors. Exemplary actions include controlling a transmitter or receiver setting, communicating the enclosure state determination to an emergency responder or controlling an application resident on the communications device based on the determined enclosure state. Various exemplary actions contribute to efficient use of communications device resources, e.g., battery power and air link resources and/or contribute to increasing efficiency and/or safety with regard to emergency responses. |
| US11570610B2 |
System and method for managing visitor location register (VLR) records by updating duplicate records
There is a method and system of removing duplicate Visitor Location Register (VLR) records, and updating the VLR's Global Title Address (GTA) in their Home Location Register (HLR) to avoid duplicate VLR impact to customer service, which may result in missed inbound calls and delayed inbound SMS. Duplicate VLR GTA means that one subscriber has more than one VLR record in different Mobile Switching Stations (MSS) or Mobile Switching Centers (MSC). The valid VLR is identified by comparing the “last active timestamp” of the same subscriber identity (IMSI, or MSISDN, or MDN) of VLR records obtained from each MSS/MSC. The VLR that has the most recent “last active timestamp” is used to identify the active/valid VLR which serves the subscriber. Afterwards the non-active VLR records will be deleted, and the VLR's GTA in HLR will be updated as needed. |
| US11570607B2 |
Systems and methods for identifying and activating emergency response assets
Described herein are systems, devices, methods, and media for activating emergency response assets in response to emergency alerts. |
| US11570606B2 |
Bluetooth controller circuit for reducing possibility of noise generation
A Bluetooth controller circuit includes: a clock counter arranged to operably generate a first count value corresponding to a reference clock signal; a count value adjusting circuit arranged to operably generate a second count value according to the first count value; a time slot determining circuit arranged to operably determine timing of respective transmission slots according to the second count value; a transceiver circuit arranged to operably transmit Bluetooth signal in transmission slots determined by the time slot determining circuit; and a control circuit, coupled with the count value adjusting circuit, the time slot determining circuit, and the transceiver circuit, and arranged to operably control operations of the count value adjusting circuit, the time slot determining circuit, and the transceiver circuit. |
| US11570602B2 |
Method for communicating with external electronic apparatus and electronic apparatus thereof
An electronic device and method are disclosed herein. The electronic device includes memory storing a certificate list including first certificate data of the electronic device, and second certificate data of an external electronic device, a short-range wireless communication circuit, and a processor. The processor implements the method, including: detecting a trigger event for requesting establishment a communication connection with a device local to the electronic device, controlling the short-range wireless communication circuit to broadcast an advertisement packet generated based on the first certificate data, in response to detecting the trigger event, receiving a response packet from the external electronic device and acquire a third certificate data from the received response packet, authenticating the external electronic device based on the second certificate data and the third certificate data, and establishing a secure communication channel with the external electronic device if the external electronic device is authenticated. |
| US11570601B2 |
Methods and systems for establishing and maintaining presence information of neighboring bluetooth devices
A communication device and method can include one or more processors operatively coupled to memory, a sensor and an output device, where the one or more processors to perform operations of discovering neighboring short range communication enabled devices such as Bluetooth LE devices, creating presence lists from the discovered devices, and transferring biometric and personal data at least to or from the communication device or at least to or from one of the discovered devices. Other embodiments are disclosed. |
| US11570600B2 |
Methods and systems for managing power consumption of the network devices
Methods and systems for managing power consumption of network devices are disclosed. An example method can comprise detecting a triggering condition and reducing functionality of a network device based on detecting the triggering condition. The method can comprise detecting, at the network device, a user device, restoring functionality of the network device in response to detecting the user device, and transmitting information to the user device after restoring functionality of the network device. |
| US11570598B2 |
Joint spectrum allocation and cache placement in a D2D network
A method, system and apparatus are disclosed. A network node is configured to communicate with a wireless device, WD, where the network node configured to, and/or comprising a radio interface and/or comprising processing circuitry configured to: receive an indication whether the WD is to cache at least one file based on spatial statistics of a cache-enabled device-to-device, D2D, network collected by the WD, and perform spectrum allocation based on the received indication. |
| US11570597B2 |
Pilot design for uplink (UL) narrow-band internet of things (NB-IoT)
Certain aspects of the present disclosure relate to methods and apparatus for pilot design for Narrow-Band Internet of Things (NB-IoT). In certain aspects, the method generally includes determining at least one binary code sequence to use as a demodulation reference signal (DMRS) for a channel transmitted across one or more subframes using one or more tones within a resource block (RB) allocated to the UE for narrowband communication, and transmitting the channel including the DMRS using the one or more tones and the determined binary code sequence. In certain aspects, the binary code sequence may be determined based on a binary random sequence, such as pseudo noise (PN) or Gold sequence. |
| US11570592B2 |
Location determination system having mesh infrastructure to reduce power consumption
The present disclosure relates to a location determination system that includes acoustic transmitting devices (104), location tags (112), and a wireless mesh network (106), where the wireless mesh network uses battery-powered devices. A location tag receives acoustic signals (e.g., ultrasound signals) from an acoustic transmitting device. Clocks from members of the wireless mesh network are synchronized by observation of clock pairings, each clock pair formed by respective clocks in a transmitting device that transmits a message and a receiving device that receives the message. By analyzing the observed clock pairings, a best fit between the clock pairings may be determined. After selecting a reference clock, an acoustic transmission schedule may be propagated to the respective acoustic transmitting device. |
| US11570587B2 |
Techniques for remotely controlling an application
According to at least one aspect, a system for remotely controlling an application installed on a device is provided. The system includes at least one processor and at least one computer-readable storage medium storing instructions which program the at least one processor to identify a task for the application installed on the device to perform, transmit a binary short message service (SMS) message to the device including a task code associated with the identified task, receive an information request from the device responsive to the binary SMS message, and transmit task information to the device responsive to receiving the information request. |
| US11570586B2 |
Location aware assignment of resources for push to talk (PTT) communication systems in a fifth generation (5G) network or other next generation wireless communication system
The technologies described herein are generally directed to facilitating operation of system that can include a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. In embodiments, the operations can include receiving, from a source user equipment, a first request to communicate to a destination group of user equipment via a multi-cast connection. Further operations can include identifying respective service areas of ones of the destination group, comprising a service area of a destination user equipment of the destination group. In some embodiments, operations can include generating a second request to initiate the multi-cast connection, the second request comprising the destination group of user equipment with the respective service areas, wherein the respective service area of the destination user equipment is for selection, by second network equipment based on the service area, a gateway group of base station equipment. |
| US11570583B2 |
Method and apparatus for dynamic geo-fencing
The present disclosure provides method and system to facilitate definition, tuning and visualization of a geo-fence at a computer system. The method comprises: receiving input parameters for a geo-fence, the input parameters including one or more parameters specifying a geographical region; sampling historical mobile signals based on one or more of the input parameters; dividing the geographical region into a plurality of areas; determining a weight for each respective area of the plurality of areas based at least on density of sampled mobile signals associated with geographical locations in the respective area; selecting a subset of the plurality of areas based on respective weights of the plurality of areas; and forming the geo-fence using the subset of the plurality of areas, the geo-fence including one or more contiguously closed regions each formed by a cluster of adjacent areas among the subset of the plurality of areas. |
| US11570580B2 |
Wireless location system in multi-corridor buildings
A system and methods for estimating the location of a mobile device are disclosed. In accordance with one embodiment, a mobile device located within a first corridor of a building receives (1) a first wireless electromagnetic signal and a first ultrasound signal from a first beacon located in the first corridor, (2) a second wireless electromagnetic signal and a second ultrasound signal from a second beacon located in the first corridor, and (3) a third wireless electromagnetic signal from a third beacon located in a second corridor of the building. The first wireless electromagnetic signal, the first ultrasound signal, the second wireless electromagnetic signal, and the second ultrasound signal are used to estimate a location of the mobile device. |
| US11570578B2 |
Location analytics techniques
The present disclosure relates to a system (100) comprising a location analytics server (108) and one or more wireless sensing devices (104) installed at a location (102) to be observed. Each of the one or more wireless sensing devices (104) is configured to transmit information about detected wireless devices (112) to the location analytics server (108) and the location analytics server (108) is configured to analyze the information about the detected wireless devices (112) to classify, for each of the detected wireless devices (112), whether the respective wireless device (112) is a visitor device or a passerby device, wherein classifying the respective wireless device (112) is performed based on a location-specific configuration comprising at least one criterion to be satisfied for classifying the respective wireless device (112) as a visitor device, wherein the at least one criterion is specifically adapted to the location (102). |
| US11570577B2 |
Location server, infrastructure equipment, communications device and methods for the use of supplementary positioning reference signals
A location server configured to determine a location of communications devices with respect to a location of infrastructure equipment of a wireless access network from observed time differences between receiving positioning reference signals transmitted by a plurality of the infrastructure equipment and received by the communications devices. |
| US11570575B2 |
Techniques for organizing vehicle parking
A parking system may include a number of parking locations, where the availability of each parking location may be tracked based on detection of whether a vehicle is in the parking location. Accordingly, a parking system may organize parking locations based on availability and unavailability. In some cases, mobile device sensors may be used to determine whether a mobile device has left the vehicle in the parking location (e.g., and thus the parking location is still unavailable) or whether the mobile device has left the parking location in the vehicle (e.g., and thus the parking location is now available). In some cases, the parking system may organize available and unavailable parking locations, facilitate user listing of parking locations, track of available and unavailable parking locations, and track different characteristics of different parking locations (e.g., such as location, size, cost, availability, etc.), among other examples. |
| US11570572B2 |
Geo-fence selection system
The present invention relates to improvements to systems and methods for determining a current location of a client device, and for identifying and selecting appropriate geo-fences based on the current location of the client device. An improved geo-fence selection system performs operations that include associating media content with a geo-fence that encompasses a portion of a geographic region, sampling location data from a client device, defining a boundary based on the sampled location data from the client device, detecting an overlap between the boundary and the geo-fence, retrieving the media content associated with the geo-fence, and loading the media content at a memory location of the client device, in response to detecting the overlap. |
| US11570570B2 |
Spatial audio for interactive audio environments
Systems and methods of presenting an output audio signal to a listener located at a first location in a virtual environment are disclosed. According to embodiments of a method, an input audio signal is received. For each sound source of a plurality of sound sources in the virtual environment, a respective first intermediate audio signal corresponding to the input audio signal is determined, based on a location of the respective sound source in the virtual environment, and the respective first intermediate audio signal is associated with a first bus. For each of the sound sources of the plurality of sound sources in the virtual environment, a respective second intermediate audio signal is determined. The respective second intermediate audio signal corresponds to a reverberation of the input audio signal in the virtual environment. The respective second intermediate audio signal is determined based on a location of the respective sound source, and further based on an acoustic property of the virtual environment. The respective second intermediate audio signal is associated with a second bus. The output audio signal is presented to the listener via the first bus and the second bus. |
| US11570565B2 |
Apparatus, method, computer program for enabling access to mediated reality content by a remote user
An apparatus comprising means for: simultaneously controlling content rendered by a hand portable device and content rendered by a spatial audio device; and providing for rendering to a user, in response to an action by the user, of a first part, not a second part, of a spatial audio content via the hand portable device not the spatial audio device. |
| US11570559B2 |
Hearing instrument comprising a parasitic battery antenna element
A hearing instrument comprises a wireless communication unit interconnected with an antenna for emission and reception of an electromagnetic field having an RF wavelength, a speaker interconnected with the wireless communication unit and being configured to provide an output audio signal. A battery is configured to supply power to the hearing instrument and a filter circuit interconnects the battery and a power management circuit of the hearing instrument. The antenna extends from a feed and at least a part of the antenna being is arranged adjacent the battery. A distance between the at least part of the antenna and the battery is below 1/40 of the wavelength. The filter circuit is configured to de-couple the battery and the power management circuit at frequencies above 3 MHz and configured to connect the battery to the power management circuit at frequencies below 300 kHz. |
| US11570554B2 |
Hearing aid system including at least one hearing aid instrument worn on a user's head and method for operating such a hearing aid system
A hearing aid system for assisting a user's ability to hear includes at least one hearing aid instrument worn on the user's head. A sound signal from the surroundings is recorded and converted into input audio signals by input transducers of the hearing aid system. The hearing aid system includes two adaptive beamformers with variable notch direction, applied indirectly or directly to the input audio signals to generate direction-dependently damped audio signals. The notch directions are set to mutually different values to minimize the energy content of the direction-dependently damped audio signal of each beamformer. The notch directions of the two beamformers are evaluated in comparative fashion. A user's head rotation is captured qualitatively and/or quantitatively if a correlated change in the notch directions is determined within the scope of the comparative evaluation. A method for operating the hearing aid system is also provided. |
| US11570549B2 |
Headphones
This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that reduce the size of headphones and allow for small form-factor storage configurations are discussed. User convenience features that include synchronizing earpiece stem positions and automatically detecting the orientation of the headphones on a user's head are also discussed. Various power-saving features, design features, sensor configurations and user comfort features are also discussed. |
| US11570547B2 |
Vibration and force cancelling transducer assembly
An acoustic device comprising an enclosure having an enclosure wall that defines an enclosure volume; a first mass movably coupled to the enclosure, the first mass comprising a sound radiating surface, a voice coil and a first suspension member; a second mass movably coupled to the enclosure, the second mass comprising a magnet assembly and a second suspension member, and wherein the first suspension member couples the first mass to the second mass, the second suspension member couples the magnet assembly to the enclosure wall, and the second suspension member is tuned to reduce enclosure vibrations caused by a movement of the first mass and the second mass relative to the enclosure. |
| US11570543B2 |
Loudspeaker polar pattern creation procedure
An example method of operation includes performing a plurality of polar pattern permutations based on a function of an inputted magnitude and phase adjustment range, determining a plurality of polar pattern outputs, creating a list of the polar pattern outputs, and creating a set of FIR filters to apply to a loudspeaker based on a selected one of the list of polar patterns. |
| US11570542B2 |
Modular listening and communication devices to be used as an over-the-ear headset, neck speaker with microphone, or standalone speaker and microphone
An audio device can be reconfigured to serve a multi-purpose communication experience as a neck speaker, a headset, a speaker, or standalone microphone, depending on the user's preference. For wearable audio products, comfort is a key aspect of the listening experience. By allowing the user to adjust the wearable position of the components, the user can choose the comfort configuration that is best for him and his daily usage or switch back and forth from the configurations to match their environment. To enable others to hear what the user is listening to, the user can wear it on her neck or place it on a table, but if the user wants privacy, she can wear it around her head. |
| US11570538B1 |
Contact detection via impedance analysis
An electronic device may include one or more terminals configured to provide a voltage signal to an actuator. The electronic device may detect a current associated with the voltage signal provided by the terminal to the actuator. The electronic device may determine an impedance across associated with the actuator based on the voltage signal and the electrical current. The electronic device may compare the impedance to a threshold impedance to determine whether there is sufficient skin contact with the actuator. The electronic device may provide audio via cartilage conduction if there is sufficient contact based on comparing the impedance to the threshold impedance, or may output a notification to the user to adjust placement of the electronic device to improve contact. |
| US11570528B2 |
Systems and methods for generating summaries of missed portions of media assets
A media guidance application may determine a length of a portion of a media asset that the user has missed and compare the length with a threshold length. If the length is greater than the threshold length, the media guidance application may generate a first summary of the missed portion of the media asset based on segments of the missed portion of the media asset that are of a first importance. If the length is not greater than the threshold length, the media guidance application may generate a second summary of the missed portion of the media asset based on segments of the missed portion of the media asset that are of the first importance and the second importance. The media guidance application may generate for display the summary. |
| US11570527B2 |
Method and apparatus for retrieving teleplay content
A method and an apparatus for retrieving teleplay content is disclosed. The method includes: generating basic summary information corresponding to each teleplay based on basic information of entities of each teleplay; generating episode summary information corresponding to each episode of each teleplay based on episode data of each episode of each teleplay; establishing a teleplay graph database based on the basic summary information corresponding to each teleplay and the episode summary information corresponding to each episode; and feeding a playing portal for a target episode of a target teleplay corresponding to teleplay search information back to a user based on the teleplay graph database. |
| US11570523B1 |
Systems and methods to enhance interactive program watching
Systems and methods are provided for determining a subset of available paths of an interactive media program to generate for output. One example method includes receiving, at a computing device, the interactive media program, wherein the interactive media program comprises a plurality of alternative segments followed by a common segment and accessing a user profile. A subset of the plurality of alternative segments are identified, based on the user profile. A set of options for output are generated, wherein the set of options enables one of the alternative segments to be selected from the identified subset of the alternative segments. A selection of an option of the set of options is received, wherein the option is a first option and a first segment of the subset of the plurality of alternative segments is generated for output, based on the selected option. |
| US11570520B2 |
Method for data processing and live broadcast system
The present disclosure provides a method for data processing, a server, and a live broadcast system. The method includes: in response to a gift giving instruction sent by a first electronic device through a first user account on a first live broadcast platform, the gift giving instruction including a gift identifier of a virtual gift, and a platform identifier and a host identifier of a second live broadcast platform, determining a second virtual currency value of the virtual gift on the second live broadcast platform according to the gift identifier, and converting the second virtual currency value to a first virtual currency value on the first live broadcast platform; and sending information corresponding to the virtual gift to a second electronic device in response to deducting the first virtual currency value from the first user account. |
| US11570517B2 |
Application intended interactive selection information for interactive playback of dash content
There is included a method and apparatus comprising computer code configured to cause a processor or processors to perform providing a media presentation description (MPD) event and media segments of video content to be streamed to a client, controlling the client to provide a user interface based on the MPD event and comprising a plurality of selection choices and interactive data for each of the selection choices, and updating MPD data based on at least one selection from the selection choices through the user interface. |
| US11570515B2 |
Providing media content to content consumers for playback and consumption
Media content items is provided to content consumers for playback by the disclosed system that includes plurality of nodes interacting with each other based on a defined protocol in communication network. A first node associated with a first participant receives a request for playback of a media content from a content consumer. A second node associated with a second participant provides media content rights to the first participant and/or the content consumer. The first node further provides media content metadata to the consumer device for consumption. A plurality of instances of a distributed media rights transaction ledger, associated with respective node, includes a plurality of media content rights transactions which corresponds to an acquisition of the media content rights by the first participant and/or content consumer prior to the consumption of the media content, and are managed by the plurality of nodes in accordance with the defined protocol. |
| US11570513B2 |
Cross-media measurement device and method
A method of identifying media content presented on a display device includes determining a selected input source providing a video signal to the display device, and then selecting a first set of content identification rules when it is determined that the selected input source is a first input source, and selecting a second set of content identification rules when it is determined that the selected input source is a second input source. The method further comprises applying the selected first set or second set of content identification rules to the video signal in order to generate content identification data for the media content presented on the display device. Application of the content identification rules includes waiting for a trigger event and applying an algorithm to one or more frames of the video signal following the trigger event. |
| US11570512B2 |
Watch-time clustering for video searches
This document describes, among other things, systems, methods, devices, and other techniques for using information about how long various videos were presented at client devices to determine subsequent video recommendations and search results. In some implementations, a computing can include a modeling apparatus, a front-end server, a request manager, one or more video file storage devices, a video selector, or a combination of some or all of these. The video selector can select video content for a particular digitized video among a plurality of digitized videos to serve to a computing device responsive to a request. The selection can be based at least in part on how long the particular digitized video has been presented at client devices associated with users having characteristics that match one or more characteristics of the user that submitted the request for video content, as indicated by the modeling apparatus. |
| US11570510B2 |
Access control techniques for media playback systems
Example access control techniques described herein are intended to enable guest access for a media playback system while maintaining security of the media playback system. An example implementation involves a computing device receiving a request to control a media playback system comprising a playback device. After receiving the request, the computing device obtains access to the media playback system. Obtaining access may involve obtaining a first identifier associated with the media playback system, obtaining a second identifier using the first identifier over a wide area network (WAN) with a computing system, and obtaining a token using the second identifier over the WAN with the computing system. The example implementation further involves receiving a request for the media playback system to perform an operation and causing the media playback system to perform the operation using the token. |
| US11570501B2 |
Connection allocation method in media playing process, media playing device and storage medium
The disclosure provides a connection allocation method in a media playing process, including: receiving playing requests initiated by a player embedded in a webpage, wherein the player plays media data in the webpage; storing the received playing requests into a buffering queue to queue according to a receiving sequence of the playing requests; and allocating connections to the playing requests in the buffering queue according to an upper limit of the number of concurrent connections usable for the buffering queue and the receiving sequence, wherein the connections are used for the player to request to-be-played media data. The disclosure further provides a media playing device and a storage medium. |
| US11570499B2 |
Device location determination
In overview, the disclosed methods, devices, and systems enable the location of the first device to be verified. In particular, second location verification data is generated using a current location of the second device is provided to a first device by a second device which can be matched with first location verification data received by the first device from a server, the first location verification data is generated using a stored location of the first device. If the first and second location verification data match, the location of the first device is considered to have been verified. |
| US11570498B2 |
Using machine learning and other models to determine a user preference to cancel a stream or download
A system and method are disclosed for training a machine learning model using information pertaining to transmissions of one or more media items to user devices associated with a user account. Generating training data for the machine learning model includes generating first contextual information associated with a first user device and generating a first target output that identifies an indication of a preference of a user preference to cancel the first transmission. The method includes providing the training data to train the machine learning model. |
| US11570491B2 |
Media distribution and management platform
An embodiment of the invention simplifies management of the “video lifecycle”. An embodiment includes one of more modules that streamline the video publishing process by abstracting technical steps such as video publishing, updating video, unpublishing video, retrieval or statistics concerning video, authorization to process video, validation of video, video metadata processing, video transcoding, and/or video transmission. Other embodiments are described herein. |
| US11570489B2 |
High definition multimedia interface transmission device and control method thereof
An HDMI transmission device includes a packetizer circuit and a processor. A control method of controlling the HDMI transmission device includes performing a fixed rate link training, upon passing the fixed data rate link training, the processor transmitting an initial gap packet generation command to a controller of the packetizer circuit to output a selection signal to the packetizer circuit, so as to output an initial gap packet, when video data is not ready, continuously outputting the initial gap packet, when the video data is ready and a format change of the video data is detected or a signal abnormality unrelated to hot-plugging is detected, the processor transmitting a subsequent gap packet generation command to the controller to determine whether a block boundary is reached, and the controller switching the selection signal upon reaching the block boundary for the packetizer circuit to output the subsequent gap packet. |
| US11570485B2 |
System and method for providing synchronized interactive multimedia content to mobile devices based on geolocation of a vehicle
A system has a plurality of machine-readable tags and includes a server system for synchronizing the display of interactive mobile content on a user device with a destination of a vehicle. Each machine-readable tag encodes an address and is mounted within the vehicle for access by users in the vehicle. The system receives a request from the user device, generated by scanning one of the machine-readable tags, and determines the destination of the vehicle. A coupon corresponding with the destination of the vehicle is selected and provided. The users that have selected the coupon for download are determined, each of the users who have downloaded the coupon are notified of the identities of the other users who downloaded the coupon, and transportation of all of the users is facilitated to the location of the restaurant so they may utilize the coupon which each of them downloaded. |
| US11570483B2 |
Video signal processing method and device for signaling prediction mode
A video signal processing method comprises: obtaining, from a bitstream, a skip parameter (cu_skip_flag) indicating whether a skip mode is applied to a current block; when the skip parameter indicates that a mode is not the skip mode, obtaining, from the bitstream, a merge parameter (merge_flag) indicating whether the current block is coded with a merge mode; and determining whether a coded block flag (CBF) parameter (cu_cbf), which indicates whether a syntax element related to transform is obtained from the bitstream, is obtained, according to a value of the merge parameter, wherein, when the value of the merge parameter indicates the merge mode, the CBF parameter is not obtained from the bitstream and is determined to be a preconfigured value. |
| US11570482B2 |
Restriction of extended quadtree
Methods, systems and devices for using flexible and efficient partitioning techniques and in particular, restricting extended quadtree (EQT) partitioning, are described. An exemplary method for visual media decoding includes making a decision, based on one or more conditions, regarding a selective inclusion of one or more signaling bits for a partitioning process in a bitstream representation of a current visual media block of a plurality of visual media blocks, where the partitioning process splits the current visual media block into exactly four sub-blocks including at least one sub-block that has a size different from half of a width of the current visual media block times half of a height of the current visual media block; decoding, based on the bitstream representation, the four sub-blocks; and decoding, based on the four sub-blocks and the partitioning process, the current visual media block. |
| US11570480B2 |
Signal reshaping for high dynamic range signals
In a method to improve backwards compatibility when decoding high-dynamic range images coded in a wide color gamut (WCG) space which may not be compatible with legacy color spaces, hue and/or saturation values of images in an image database are computed for both a legacy color space (say, YCbCr-gamma) and a preferred WCG color space (say, IPT-PQ). Based on a cost function, a reshaped color space is computed so that the distance between the hue values in the legacy color space and rotated hue values in the preferred color space is minimized HDR images are coded in the reshaped color space. Legacy devices can still decode standard dynamic range images assuming they are coded in the legacy color space, while updated devices can use color reshaping information to decode HDR images in the preferred color space at full dynamic range. |
| US11570471B2 |
Prediction for light-field coding and decoding
Predicting a component of a current pixel belonging to a current sub-aperture image in a matrix of sub-aperture images captured by a sensor of a type I plenoptic camera can involve, first, determining a location on the sensor based on: a distance from an exit pupil of a main lens of the camera to a micro-lens array of the camera; a focal length of the main lens; a focal length of the micro-lenses of the micro-lens array; and a set of parameters of a model of the camera allowing for a derivation of a two-plane parameterization describing the field of rays corresponding to the pixels of the sensor; and, second, predicting the component based on one reference pixel belonging to a reference sub-aperture image in the matrix and located on the sensor in a neighborhood of the location. |
| US11570470B2 |
Complexity reduction of overlapped block motion compensation
Overlapped block motion compensation (OBMC) may be performed for a current video block based on motion information associated with the current video block and motion information associated with one or more neighboring blocks of the current video block. Under certain conditions, some or ail of these neighboring blocks may be omitted from the OBMC operation of the current block. For instance, a neighboring block may be skipped during the OBMC operation if the current video block and the neighboring block are both uni-directionally or bi-directionally predicted, if the motion vectors associated with the current block and the neighboring block refer to a same reference picture, and if a sum of absolute differences between those motion vectors is smaller than a threshold value. Further, OBMC may be conducted in conjunction with regular motion compensation and may use simplified filters than traditionally allowed. |
| US11570468B2 |
Alternating frame processing operation with predicted frame comparisons for high safety level use
Frames from an image stream or streams are processed by independently operating digital signal processors (DSPs), with only frame checking microprocessors operating in a lockstep mode. In one example, two DSP are operating on alternate frames. Each DSP processes the frames and produces prediction values for the next frame. The lockstep microprocessors develop their own next frame prediction. The lockstep processors compare issued frames and previously developed predicted frames for consistency. If the predictions are close enough, the issued frame passes the test. The lockstep processors then compare the issued frame to the preceding two frames for a similar consistency check. If the prior frames are also close enough, the issued frame is acceptable. In another example, hardware checkers are provided to compare the present frame with a larger number of prior frames. The hardware checkers provide comparison results to the lockstep processors to compare against allowable variation limits. |
| US11570466B2 |
Hybrid pixel-domain and compressed-domain video analytics framework
In one embodiment, an apparatus comprises processing circuitry to: receive, via a communication interface, a compressed video stream captured by a camera, wherein the compressed video stream comprises: a first compressed frame; and a second compressed frame, wherein the second compressed frame is compressed based at least in part on the first compressed frame, and wherein the second compressed frame comprises a plurality of motion vectors; decompress the first compressed frame into a first decompressed frame; perform pixel-domain object detection to detect an object at a first position in the first decompressed frame; and perform compressed-domain object detection to detect the object at a second position in the second compressed frame, wherein the object is detected at the second position in the second compressed frame based on: the first position of the object in the first decompressed frame; and the plurality of motion vectors from the second compressed frame. |
| US11570461B2 |
Method for encoding and decoding video by using motion vector differential value, and apparatus for encoding and decoding motion information
Provided is a video decoding method including: generating a merge candidate list including neighboring blocks referred to predict a motion vector of a current block in a skip mode or a merge mode; when a merge motion vector difference is used according to merge difference mode information indicating whether the merge motion vector difference and a motion vector determined from the merge candidate list are used, determining a base motion vector from a candidate determined among the merge candidate list based on merge candidate information; determining the motion vector of the current block by using the base motion vector and a merge motion vector difference of the current block, the merge motion vector difference being determined by using a distance index and direction index of the merge motion vector difference of the current block; and reconstructing the current block by using the motion vector of the current block. |
| US11570459B2 |
Video bitstream coding
A method of decoding JVET video includes receiving a bitstream indicating how a coding tree unit was partitioned into coding units, and parsing said bitstream to generate at least one predictor based on an intra prediction mode signaled in the bitstream. The predictor may be generated by interpolating neighboring pixels for each pixel within a coding block. The computation may be more accurate by deriving a value for a bottom right neighboring pixel. |
| US11570454B2 |
Use of hierarchical video and image coding for telepresence
A medical telepresence system comprising: an interface to receive a plurality of data feeds from a live medical procedure, at least one data feed comprising a video signal capturing the live medical procedure; a hierarchical encoder to encode the plurality of data feeds using a first tier-based hierarchical data coding scheme, wherein encoded data from the hierarchical encoder is decodable by a first set of computing devices for viewing, the first set of computing devices being communicatively coupled to the hierarchical encoder using a first network connection; a transcoder to convert from the first tier-based hierarchical data coding scheme to a second tier-based hierarchical data coding scheme, wherein encoded data from the transcoder is receivable by a second set of computing devices for viewing, the second set of computing devices being communicatively coupled to the transcoder using a second network connection, the second network connection being of a lower quality than the first network connection; and a recorder to store the output of the hierarchical encoder as a set of tier-based files for later retrieval, wherein each of the set of tier-based files represent different levels of quality. |
| US11570445B2 |
Simplified most probable mode list generation scheme
A method of signaling an intra prediction mode used to encode a current block in an encoded video bitstream using at least one processor includes generating a first most probable mode (MPM) list corresponding to a zero reference line of the current block, wherein the first MPM list includes a plurality of angular intra prediction modes; generating a second MPM list corresponding to one or more non-zero reference lines of the current block, wherein the second MPM list includes the plurality of angular intra prediction modes; signaling a reference line index indicating a reference line used to encode the current block from among the zero reference line and the one or more non-zero reference lines; and signaling an intra mode index indicating the intra prediction mode within the first MPM list or the second MPM list. |
| US11570441B2 |
Matrix-based intra prediction using upsampling
Devices, systems and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In a representative aspect, a method for video processing includes performing a conversion between a current video block of a video and a bitstream representation of the current video block using a matrix based intra prediction (MIP) mode in which a prediction block of the current video block is determined by performing, on previously coded samples of the video, a boundary downsampling operation, followed by a matrix vector multiplication operation, and followed by an upsampling operation, where the upsampling operation is performed, in both a vertical direction and a horizontal direction in a fixed order, on samples obtained from the matrix vector multiplication operation. |
| US11570439B2 |
Inverse quantization device and method used in video decoding device
An inverse quantization method is implemented by an inverse quantization device, the method configured for acquiring quantized coefficients, estimating a quantization parameter in quantization groups or quantization parameter prediction group units, generating an inverse quantization matrix for adaptive quantization, and generating transform coefficients from the quantized coefficients using the quantization parameter and the inverse quantization matrix. |
| US11570437B2 |
Encoder, decoder, computer program and computer program product for processing a frame of a video sequence
An encoder is provided that comprises a partitioner and an entropy coder. The partitioner is configured to receive a current block of the frame and obtain a list of candidate geometric partitioning (GP) lines. Each of the candidate GP lines is generated based on information of one or more candidate neighbor blocks of the current block. The partitioner is further configured to determine a final GP line that partitions the current block into two segments, select a GP line from the list of GP lines to obtain a selected GP line, and generate a GP parameter for the current block. The GP parameter includes an offset information indicating an offset between the final GP line and the selected GP line. The entropy coder is configured to encode the GP parameter. |
| US11570435B2 |
Video coding comprising uniform tile split with remainder
Method for decoding a picture, comprising: decoding information that the picture is partitioned into more than one segment based on one or more syntax elements in a bitstream; decoding information that the spatial segmentation is uniform based on the one or more syntax elements; determining a segment unit size based on the one or more syntax elements or based on a predefined segment unit size; decoding a first value indicating a segment width from one or more code words in the bitstream; decoding a second value indicating a segment height from the one or more code words; deriving segment column widths based on a picture width in number of segment units and the first value; deriving segment row heights based on a picture height in number of segment units and the second value; deriving a spatial location for a current block based on the derived segment column widths and the derived segment heights; and decoding the current block based on the derived spatial location. |
| US11570432B2 |
Encoder, decoder, encoding method, and decoding method
A decoder includes a memory and processing circuitry. The processing circuitry, in operation, changes values of pixels in a first block and a second block to filter a boundary therebetween, using clipping such that change amounts of the respective values are within respective clip widths. The clip widths for the pixels in the first block and the second block are selected based on block sizes of the first block and the second block. The pixels in the first block include a first pixel located at a first position, and the pixels in the second block include a second pixel located at a second position corresponding to the first position with respect to the boundary. The clip widths include a first clip width and a second clip width corresponding to the first pixel and the second pixel, respectively, and the first clip width is different from the second width. |
| US11570425B2 |
Vanishing point stereoscopic image correction
Three-dimensional image calibration and presentation for stereoscopic imaging systems such as eyewear including a first camera and a second camera is described. The calibration and presentation includes obtaining a calibration offset using vanishing points obtained from images captured by a first camera and a second camera to accommodate rotation of the first and second cameras with respect to one another, adjusting a three-dimensional rendering offset by the obtained calibration offset, and presenting the stereoscopic images using the three dimension rendering offset. |
| US11570419B2 |
Telematics and environmental data of live events in an extended reality environment
Techniques are described herein for delivering telematic and environmental data of live events to provide immersive experiences. In one aspect, the techniques include receiving a multimedia data stream of a live event at an encoder comprising one or more codecs from one or more user devices. The multimedia data stream is compressed via the one or more codecs to generate a compressed multimedia data stream. Upon receiving a request from a playback device, the compressed multimedia data stream is transmitted to a decoder comprising the one or more codecs to serve the playback device. |
| US11570417B2 |
Immersive video streaming using view-adaptive prefetching and buffer control
A system obtains a data set representing immersive video content for display at a display time, including first data representing the content according to a first level of detail, and second data representing the content according to a second higher level of detail. During one or more first times prior to the display time, the system causes at least a portion of the first data to be stored in a buffer. During one or more second times prior to the display time, the system generates a prediction of a viewport for displaying the content to a user at the display time, identifies a portion of the second data corresponding to the prediction of the viewport, and causes the identified portion of the second data to be stored in the video buffer. At the display time, the system causes the content to be displayed to the user using the video buffer. |
| US11570414B2 |
Imaging device
An imaging device includes an imaging sensor that outputs an imaging signal representing a sequence of frame images of a photographic subject. A buffer memory temporarily stores data of the sequence of frame images from the imaging signal. A release switch is actuated by a user to output an image-taking signal. A controller, upon receipt of the image-taking signal from the release switch: (i) generates moving image data from at least some of the plurality of frame images stored in the buffer memory, (ii) generates at least one piece of still image data based on at least one frame image of the plurality of frame images stored in the buffer memory, and (iii) associates the moving image data with the still image data and records the moving image data and the still image data in a recording medium. |
| US11570407B2 |
Electronic device and antenna structure thereof
Various embodiments relate to an electronic device that supports millimeter wave communication. The electronic device may include: a housing; an antenna structure including at least one antenna comprising a portion of the housing or positioned in the housing, and including an annular conductive structure comprising a conductive material, the annular conductive structure having a first surface facing an outside of the housing, a second surface facing a direction opposite the first surface, an internal space defined by the first surface and the second surface, and a plurality of slots having a repeating pattern and formed through the first surface to the internal space; a conductive member comprising a conductive material disposed in the internal space; a wireless communication circuit electrically connected with the conductive member and configured to form a directional beam using the antenna structure; and a ground electrically connected to the annular conductive structure. |
| US11570403B2 |
Automated recording highlights for conferences
A transcript of a conference (e.g., a video conference, an audio conference, or a telephone call with two or more participants) is processed to extract a conference summary. A short video conference summary or a short audio conference summary is then generated using timestamps from the transcript associated with strings (e.g., sentences) in the transcript that have been selected for highlighting as part of the conference summary. The short video or audio summary may be presented to users along with a text summary of the conference to enable efficient storage and transmission of information from the conference within a unified communications system. |
| US11570402B2 |
Terminal and operating method thereof
A terminal includes a communication interface for receiving a plurality of profile information from a plurality of terminals, an input/output interface for receiving a first signal generated by a user of the terminal based on a certain profile information of the plurality of profile information, and a processor for checking whether the terminal has a history of receiving a second signal from a terminal that provided the certain profile information, and for attempting, by the terminal, a video call to the terminal that provided the certain profile information depending on a result of the check, and the input/output interface may display the certain profile information and video call waiting time during the video call waiting time after attempting the video call. |
| US11570400B2 |
Systems and methods for asymmetric image splitter clock generation
Described herein are systems and methods that provide for asymmetric image splitter image stream applications. In one embodiment, a system supporting image multi-streaming comprises an asymmetric image splitter engine that splits super-frame image streams into two or more image streams and a fractional clock divider circuit. The fractional clock divider may comprise a digital feedback control loop and a one-bit sigma delta modulator. The fractional clock divider circuit may provide compatible display clock frequencies for each of the two or more image streams. When a multi-image stream comprises the two image streams, the asymmetric image splitter engine adjusts a vertical asymmetry of a first image stream with a shortest height to same height as a second image stream by adding vertical padding to the first image stream. The super-frame image streams may comprise image streams from video, LIDAR, radar, or other sensors. |
| US11570399B2 |
Multi-tap having selectable conditioning modules
A tap includes an input configured to be connected to a line. The tap also includes a first signal conditioning circuit having a first signal conditioning effect on downstream signals, upstream signals, or both. The tap also includes a second signal conditioning circuit having a second signal conditioning effect on the downstream signals, the upstream signals, or both. The second signal condition effect is different than the first signal conditioning effect. The tap also includes one or more subscriber ports configured to be connected to a subscriber premises. The tap also includes a path-selection device connected to the input, the first signal conditioning circuit, and the second signal conditioning circuit. The path-selection device is configured to selectably route the downstream signals from the input, through the first and second signal conditioning circuits, to the one or more subscriber ports. |
| US11570388B2 |
Solid-state imaging device and driving method thereof, and electronic apparatus
A solid-state imaging device includes a photoelectric conversion unit, a light shielding unit and a transfer transistor. The photoelectric conversion unit generates charges by photoelectrically converting light. The light shielding unit is formed by engraving a semiconductor substrate on which the photoelectric conversion unit is formed, so as to surround an outer periphery of the photoelectric conversion unit. The transfer transistor transfers charges generated in the photoelectric conversion unit. During a charge accumulation period in which charges are accumulated in the photoelectric conversion unit, a potential that repels the charges is supplied to the light shielding unit and a gate electrode of the transfer transistor. During a charge transfer period in which charges are transferred from the photoelectric conversion unit, a potential that repels the charges is supplied to the light shielding unit and a potential that attracts the charges is supplied to the gate electrode of the transfer transistor. |
| US11570386B2 |
Image sensing device and operating method thereof
Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a first unit pixel circuit disposed in a first row, including a first floating diffusion node, and suitable for outputting a first pixel signal through a column line, a second unit pixel circuit disposed in a second row, including a second floating diffusion node, and suitable for outputting a second pixel signal through the column line, and a first coupling circuit suitable for selectively coupling the first floating diffusion node to the second floating diffusion node based on a first mode control signal. |
| US11570385B2 |
Image sensor and operation method of the same
Provided is an operation method of an image sensor including a plurality of pixels, the operation method including transmitting a first output voltage of a first pixel to a first amplifier, transmitting the first output voltage to a second amplifier by controlling a first switch connected to the first pixel, transmitting a second output voltage of a second pixel to be binned with the first pixel to the second amplifier by controlling a second switch connected to the second pixel, and outputting selectively one of a first output of the first amplifier and a second output of the second amplifier based on an illuminance of an environment in which the image sensor operates. |
| US11570384B2 |
Image sensor employing varied intra-frame analog binning
A method performed with an image sensor having a pixel array. At least one frame of a scene may be obtained using the pixel array. At least one region of interest (ROI) is identified within the frame. Subsequent frames of the scene are obtained, which involves controlling the pixel array to perform high resolution imaging with respect to the at least one ROI and low resolution imaging using analog binning with respect to remaining regions of the frames. |
| US11570382B2 |
Image sensor bridge interface
An image sensor bridge interface is provided. The interface is situated between an image sensor and a processor. The interface comprises an integrated circuit. The integrated circuit comprises a Field-Programmable Gate Array (FPGA) decoupled from both image signals provided from the image sensor and a processor connected to the integrated circuit. The FPGA separates Ultraviolet (UV) and Infrared (IR) data values from image sensor-provided image data and embeds the UV and IR data values within the horizontal blanking, vertical blanking, and/or active video components of a video feed. The video feed provided from the integrated circuit to the processor using a standard video interface, and the processor providing the video feed or providing UV images, IR images, and Red, Green, and Blue (RGB) images separated from the video feed to a computing core of a host device. |
| US11570379B2 |
Digital image filtering and post-capture processing using user specific data
There are provided systems and methods for digital image filtering and post-capture processing using user specific data. A computing device may include a camera that records media of a scene, including images or videos. A user may utilize the computing device to add filters, graphical overlays, or other effects to the recorded media, which may alter pixel data for pixels of the media or blend graphics into the media. When adding image effects to images, the device or a service provider that offers and image hosting and/or sharing platform may determine recommendations for particular image effects to use when recording and processing the image. The recommended effects may be based on effects used in past media, as well as user information, and may change an appearance of the output media in a particular way specific to the user, media, and/or scene. |
| US11570378B2 |
Methods and apparatus for metadata-based processing of media content
Methods and apparatus for metadata-based cinematography, production effects, shot selection, and/or other content augmentation. Effective cinematography conveys storyline, emotion, excitement, etc. Unfortunately, most amateur filmmakers lack the knowledge and ability to create cinema quality media. Various aspects of the present disclosure are directed to, among other things, rendering media based on instantaneous metadata. Unlike traditional post-processing techniques that rely on human subjectivity, some of the various techniques described herein leverage the camera's actual experiential data to enable cinema-quality post-processing for the general consuming public. Instantaneous metadata-based cinematography and shot selection advisories and architectures are also described. |
| US11570377B2 |
Camera array
A plurality of outward-facing cameras, arranged in nodal clusters surrounding and mounted to the top plate of a plate structure, with the plate structure having an elevated platform for an additional upward-facing camera. The nodal clusters and the configuration of clusters on the top plate enable overlaps in coverage between clusters and more informationally dense coverage within each cluster. |
| US11570374B1 |
Subject-aware low light photography
Devices, methods, and computer-readable media are disclosed, describing an adaptive, subject-aware approach for image bracket selection and fusion, e.g., to generate high quality images in a wide variety of capturing conditions, including low light conditions. An incoming image stream may be obtained from an image capture device, comprising images captured using differing default exposure values, e.g., according to a predetermined pattern. When a capture request is received, it may be detected whether one or more human or animal subjects are present in the incoming image stream. If a subject is detected, an exposure time of one or more images selected from the incoming image stream may be reduced relative to its default exposure time. Prior to the fusion operation, one of the selected images may be designated a reference image for the fusion operation based, at least in part, on a sharpness score and/or a blink score of the image. |
| US11570372B2 |
Virtual camera for 3-d modeling applications
A user interface to a virtual camera for a 3-D rendering application provides various features. A rendering engine can continuously refine the image being displayed through the virtual camera, and the user interface can contain an element for indicating capture of the image as currently displayed, which causes saving of the currently displayed image. Autofocus (AF) and autoexposure (AE) reticles can allow selection of objects in a 3-D scene, from which an image will be rendered, for each of AE and AF. A focal distance can be determined by identifying a 3-D object visible at a pixel overlapped by the AF reticle, and a current viewpoint. The AF reticle can be hidden in response to a depth of field selector being set to infinite depth of field. The AF and AE reticles can be linked and unlinked, allowing different 3-D objects for each of AF and AE. |
| US11570371B2 |
Imaging apparatus, imaging method, and program
The present technology relates to an imaging apparatus, an imaging method, and a program that perform appropriate exposure control, to thereby enable a desired object to be appropriately imaged.The present technology includes: an imaging unit including a plurality of pixels having different spectral characteristics; and an exposure control unit setting information associated with exposure control on the plurality of pixels depending on specification information for specifying a kind of a measurement target. Alternatively, the present technology includes: an imaging unit including a plurality of pixels having different spectral characteristics; and an exposure control unit setting information associated with exposure control on the plurality of pixels on the basis of a predicted output value of each of the plurality of pixels based on a spectral characteristic related to a measurement target. The present technology is applicable to an imaging apparatus which senses vegetation, for example. |
| US11570370B2 |
Method and system for controlling an eye tracking system
There is provided a method, system, and non-transitory computer-readable storage medium for controlling an eye tracking system (200) to obtain a first image (500) captured under active illumination by at least one infrared, IR, illuminator (112, 113) associated with the eye tracking system (200) and at a current exposure setting, using the image sensor device (110); and, if at least one eye (100, 120) is depicted in the first image (500): define at least one region of interest, ROI, (501, 502, 503, 504) from the first image (500) comprising a group of pixels in the first image (500) representing at least a part of the depicted at least one eye (100, 120); determine a respective intensity value for each of the at least one ROI (501, 502, 503, 504); determine a second exposure setting by adjusting at least one exposure parameter of the image sensor device (110) based on the determined intensity value, or values, for the at least one ROI (501, 502, 503, 504); and set the current exposure setting to the second exposure setting. |
| US11570366B2 |
Image capturing control apparatus capable of displaying OSD and image capturing control method
An image capturing control apparatus that enables a user to recognize a transparency of OSD for recording. A system controller sets a transparency of OSD superimposed on a captured LV image and sets whether or not to record the captured image in a state combined with the OSD, as an image file. The OSD is displayed in a state superimposed on the LV image at a transparency of OSD for display, regardless of a setting concerning recording of the image file, and in a case where it is set to record the LV image in the state combined with the OSD, the OSD is displayed according to a specific operation, in a state superimposed on the LV image, at a transparency of OSD for recording, regardless of the transparency of OSD for display. |
| US11570363B2 |
Imaging apparatus and terminal device including anti-shake compensation
An imaging apparatus is disclosed. The imaging apparatus includes an image sensor including includes a photosensitive region and an anti-shake module including a base, a carrier, a flexible connection member, and an actuator set. The base includes a cavity, a depth of the cavity is greater than or equal to a thickness of the image sensor, the carrier and the image sensor are disposed in the cavity, and the base provides support for the carrier by using the flexible connection member. The carrier includes a through hole, a size of the through hole is greater than or equal to that of the photosensitive region, the carrier is separately electrically connected to the image sensor and the base, and a bottom surface of the carrier is fastened to a top surface of the image sensor. Each actuator in the actuator set includes a fastened end and a movable end. |
| US11570362B2 |
Image capturing device, image capturing method, and program
An image capturing device includes an imaging lens, an image capturing device body including an imaging element that captures an optical image transmitting through the imaging lens, a first correction unit that performs correction of an image shake by a correction lens, and a second correction unit that performs correction of the image shake by the image capturing device body, and performs a control of causing the first correction unit or the second correction unit to correct a first frequency portion of a shake amount of the image shake having a first frequency and causing the first correction unit and the second correction unit to share and correct a second frequency portion of the shake amount of the image shake having a second frequency higher than the first frequency. |
| US11570361B2 |
Lens unit, imaging device, control methods thereof, and storage medium
A lens unit comprises a shake detector; a shake correction mechanism for correcting image blur; a setting unit for setting a ratio of shake to be corrected by the shake correction mechanism; a control unit for, based on the shake detected by the shake detector and the ratio of shake, calculating a first shake correction amount and control an image shake correction operation by the shake correction mechanism; and a target-value correction unit for correcting the first shake correction amount, based on a difference between a result of detecting shake by the shake detector, and a result of detecting shake by a shake detector provided in the imaging device, wherein the control unit controls the shake correction mechanism based on an image stabilization amount corrected in accordance with the target-value correction unit. |
| US11570360B2 |
Image capturing device, image capturing method and recording medium
An image capturing device includes a housing and a processor. The processor is configured to determine whether a state of movement of the housing relative to an observation target is either a first state or a second state, and perform a control based on the state of the movement of the housing to cause change in electric energy for drive of the image capturing device. |
| US11570357B2 |
Imaging device and imaging system
An imaging device includes a modulator, a first grating pattern constituted by a plurality of lines, and a second grating pattern having a phase deviating from a phase of the first grating pattern, and modulates light intensity. The imaging device receives a first image signal output by the first grating pattern and a second image signal output by the second grating pattern, calculates difference data and a range of a difference between the first image signal and the second image signal, generates and sets a data conversion parameter at a regular interval from the difference data that is continuously input on the basis of the range of the difference and the difference data, generates compression image data by using the difference data and the data conversion parameter, compresses the generated compression image data, and includes information indicating the range of the difference into the compressed data. |
| US11570354B2 |
Display assistant device having a monitoring mode and an assistant mode
A display assistant device comprises a display, a camera, a speaker, microphones, a processor and memory. The memory stores programs comprising instructions that, when executed by the processor, enable a plurality of modes of the display assistant device. The modes include a monitoring mode and an assistant mode. In the monitoring mode, the device is configured to perform a remote monitoring function in which first video captured by the camera is streamed to a remote server system for monitoring uses. The monitoring uses include transmission of the first video to remote client devices authorized to access the first video. In the assistant mode, the device is configured to perform a second plurality of functions that excludes the monitoring function and includes a video communication function in which second video captured by the camera is transmitted to second devices participating in a video communication with a first user of the device. |
| US11570353B2 |
Focus adjustment apparatus, image capturing apparatus, focus adjustment method, and storage medium
There is provided a focus adjustment apparatus. A selection unit repeatedly executes selection processing for selecting a main subject from one or more subjects included in a shooting range based on an autofocus (AF) setting. A focus adjustment unit performs focus adjustment on a target position determined based on the selected main subject. A change unit changes the AF setting. In a case where the AF setting is changed after a previous execution of selection processing, the selection unit determines whether to execute selection processing based on a main subject selected in the previous execution of selection processing or whether to execute the selection processing independently of the main subject selected in the previous execution of selection processing according to a change content of the AF setting. |
| US11570352B2 |
Image processing apparatus and control method thereof, imaging apparatus, and storage medium
An imaging apparatus is configured to detect a plurality of portions of a subject from a captured image. The imaging apparatus is configured to set a region that is related to a detection region of the subject as a related region, and to set an arbitrary region in the image as a search region. In a case where the search region overlaps with at least one of a detection region or a related region of the subject, even if the related region is a region that does not include the detection region, the search region is configured to be set as an AF (autofocus) target region, and AF target region notification processing is executed. |
| US11570347B2 |
Non-visible spectrum line-powered camera
System and method for improving the shaving experience by providing improved visibility of the skin shaving area. A digital camera is integrated with the electric shaver for close image capturing of shaving area, and displaying it on a display unit. The display unit can be integral part of the electric shaver casing, or housed in a separated device which receives the image via a communication channel. The communication channel can be wireless (using radio, audio or light) or wired, such as dedicated cabling or using powerline communication. A light source is used to better illuminate the shaving area. Video compression and digital image processing techniques are used for providing for improved shaving results. The wired communication medium can simultaneously be used also for carrying power from the electric shaver assembly to the display unit, or from the display unit to the electric shaver. |
| US11570346B2 |
Multi-aperture imaging device having a low installation height and a switchable viewing direction, imaging system and method for providing a multi-aperture imaging device
A multi-aperture imaging device includes an image sensor, an array of optical channels, each optical channel including an optic for imaging a partial field of view of a total field of view onto an image sensor region of the image sensor, and a beam-deflector switchable between a first rotational position and a second rotational position by executing a switching movement, and configured to deflect, in a first rotational position, optical paths of the optical channels into a first viewing direction, and to deflect, in a second rotational position, the optical paths of the optical channels into a second viewing direction. The array is configured to execute, based on the switching movement, an adjustment movement for adjusting an orientation of the array with respect to the beam-deflector. |
| US11570345B2 |
Camera module
A camera module includes a housing having a first ball support surface disposed on an inner surface thereof, a driving body movably disposed in the housing and having a second ball support surface disposed on an outer surface thereof, and a plurality of ball bearings disposed between the first ball support surface of the housing and the second ball support surface of the driving body. A distance between the first ball support surface and the second ball support surface along a direction perpendicular to an optical axis direction is different at respective first end portions of the first ball support surface and the second ball support surface in the optical axis direction than at respective second end portions of the first ball support surface and the second ball support surface in the optical axis direction. |
| US11570344B2 |
Camera module and electronic device including the same
An electronic device includes a camera module and an external structure. The camera module includes an image sensor and a shielding structure that shields components of the camera module from electromagnetic interference (EMI). The external structure two-dimensionally surrounds the camera module, and a portion of the external structure is conductive. The shielding structure includes an accommodating portion that accommodates the image sensor, and a protruding portion that protrudes from the accommodating portion to contact the external structure. |
| US11570342B2 |
Selective power efficient three-dimensional imaging
An imaging method includes acquiring one or more passive light images of a scene. A region of interest in the scene is identified based on the one or more passive light images. One or more illumination zones of a plurality of illumination zones that collectively cover the region of interest is determined. Each illumination zone is sized according to active illumination emitted from a steerable illumination source. For a determined illumination zone of the one or more illumination zones, the illumination zone is individually illuminated with the active illumination from the steerable illumination source. For a pixel of a sensor array that maps to the illumination zone, a depth value of an object locus in the scene reflecting the active illumination back to the pixel is determined. |
| US11570335B2 |
Camera system and mobile body
A camera system includes a body and a camera. The body includes a controller and an image processing circuit. The camera is configured to be detachably connected to the body and includes a sensor. The sensor is configured to convert an optical image into an electrical signal and including a plurality of pixels. The controller is configured to determine a type of the camera or the first sensor according to whether one pixel or multiple pixels are used as a unit pixel of the first sensor. The image processing circuit is configured to perform predetermined image processing corresponding to the type of the camera or the first sensor on output electrical signals of the plurality of pixels. |
| US11570327B2 |
Scanner capable of flatbed type scanning with image reading unit disposed in upper unit
A scanner includes a lower unit and an upper unit. The lower unit includes a first document table on which a first document is to be placed. The upper unit includes a second document table on which a second document is to be loaded and a document feed path through which the second document is to be picked up from the second document table fed, the upper unit being coupled to the lower unit to pivot between a closed position in which the first document table is covered and an open position in which the first document table is exposed. The upper unit further includes a reading unit to read an image from the first document and the second document by performing flatbed scanning on the first document and document feed scanning on the second document. |
| US11570325B2 |
Non-transitory storage medium storing plurality of instructions readable by information processing apparatus and scan system
A non-transitory storage medium stores a plurality of instructions readable by a computer of an information processing apparatus. The information processing apparatus comprises a communication interface for connecting to a scanner. The information processing apparatus includes a first route and a second route. When executed by the computer, the plurality of instructions cause the information processing apparatus to execute a scan control using the first route in which a read result of a document by the scanner is obtained by using the first route after receiving an execution instruction for scanning, determine whether the scan control using the first route has failed or not, and execute a scan control using the second route in which the read result of the document by the scanner is obtained by using the second route when it is determined that the scan control using the first route has failed. |
| US11570323B2 |
Information processing apparatus, information processing system, and non-transitory computer readable medium
An information processing apparatus includes a processor configured to acquire, from a read image, a predetermined item, and a value corresponding to the item, the read image being obtained by reading a document and being subjected, prior to acquisition of the item and the value, to preprocessing and character recognition. Further, the processor is configured to, in response to not successfully acquiring at least one of the item and the value, change a setting on the preprocessing or a setting on the character recognition in accordance with the acquisition or non-acquisition state of the item and the value, and then perform the preprocessing or the character recognition. |
| US11570320B2 |
Printing method, information processing system, and non-transitory computer-readable storage medium storing control program
A printing method includes a customizing step of receiving a customization instruction of an administrator and customizing a printing screen, a printing step of performing printing in response to reception of a printing start instruction, and a displaying step of displaying the customized printing screen during the printing step, in which in the customizing step, required information is prohibited from being deleted from a display, and optional information is permitted to be deleted from the display. |
| US11570317B2 |
Image forming apparatus that performs ADF scanning, image forming system, control method, and storage medium
An image forming apparatus which eliminates the need for a paper thickness detection sensor and saves time and effort for a user when performing remote scanning. An image reading unit of the image forming apparatus is connectable to an external client via a network and generates image data by reading an original. In the remote scanning, the image reading unit reads the original conveyed by a conveying unit in accordance with an instruction from an external client. A conveying speed at which the original is conveyed by the conveying unit when the remote scanning is performed is set in accordance with an original thickness setting. A first original thickness setting made on the image forming apparatus and a second original thickness setting made on the external client are obtained. When the second original thickness setting is different from the first original thickness setting, the original thickness setting is set to the second original thickness setting. |
| US11570314B2 |
Information processing apparatus, control method for information processing apparatus, and program
An information processing apparatus is provided and includes a display unit which displays an operation screen. The information processing apparatus controls whether or not to receive setting for a first application from a different apparatus and use the received setting for the first application, in accordance with a type of a screen being displayed on the display unit. |
| US11570312B2 |
Image processing apparatus, image processing method, and storage medium to select an image to be arranged in an added page in an album
An image processing apparatus includes: a receiving unit configured to receive an addition instruction for adding a page to album data including a plurality of pages; an image obtaining unit configured to obtain a user selection image as an image to be arranged in the page to be added in response to the addition instruction, the user selection image being selected by a user; a first analysis information obtaining unit configured to obtain analysis information of the user selection image; and a selecting unit configured to select an image to be arranged in the added page other than the user selection image, based on the analysis information of the user selection image. |
| US11570311B2 |
Defective nozzle correction mechanism using missing neighbor threshold lowering function
A printing system is disclosed. The printing system includes at least one physical memory device to store nozzle correction logic and one or more processors coupled with at least one physical memory device to execute the nozzle correction logic to receive a uniformity compensated halftone design for each of a plurality of pel forming elements, receive an average missing neighbor threshold lowering function, receive a defective nozzles list including one or more of the plurality of pel forming elements indicated as defective during print production and perform missing neighbor processing by applying the average missing neighbor threshold lowering function associated with a pel forming element determined to be a neighbor of a defective pel forming element. |
| US11570309B2 |
Service design center for device assisted services
A technique involves modular storage of network service plan components and provisioning of same. A subset of the capabilities of a service design system can be granted to a sandbox system to enable customization of service plan offerings or other controls. |
| US11570307B2 |
Automatic reaction-triggering for live presentations
The present disclosure relates to processing operations configured to provide processing that automatically analyzes acoustic signals from attendees of a live presentation and automatically triggers corresponding reaction indications from results of analysis thereof. Exemplary reaction indications provide feedback for live presentations that can be presented in real-time (or near real-time) without requiring a user to manually take action to provide any feedback. As a non-limiting example, reaction indications may be presented in a form that is easy to visualize and understand such as emojis or icons. Another example of a reaction indication is a graphical user interface (GUI) notification that provides a predictive indication of user intent derived from analysis of acoustic signals. Further examples described herein extend to training and application of artificial intelligence (AI) processing, in real-time (or near real-time), that is configured to automatically analyze acoustic features of audio streams and automatically generate exemplary reaction indications. |
| US11570306B2 |
Call processing method, electronic device and storage medium
The present disclosure provides a call processing method, apparatus, electronic device and storage medium and relates to the field of cloud computing. The method may comprise: obtaining a calling subscriber's status information in real time while an intelligent dialogue robot is used to make a call with the calling subscriber; when it is determined that a call form of the intelligent dialogue robot needs to be adjusted, correspondingly adjusting the call form of the intelligent dialogue robot according to current status information of the calling subscriber. The solution of the present disclosure may be employed to improve the call performance of the intelligent dialogue robot. |
| US11570305B2 |
Systems and methods for forecasting inbound telecommunications
Systems and methods forecast inbound telecommunications, and more particularly, analyze real-time and historical call center data, and apply a forecasting model to the data in order to predict inbound call volume. These systems and methods employ tools that manipulate call center data and generate visual representations of metrics pertaining to forecasting call center data via a dashboard. |
| US11570300B1 |
Dual compatibility phone system
A method of operating a captioned telephone comprising the steps of dialing a telephone number to a relay gateway, connecting to the gateway over a communication network, performing a test to assess communication network quality, based on the test results, setting up the captioned telephone to operate in at least one of a first mode and a second mode wherein each of the first and second modes is one of (i) a PSTN mode in which data is communicated between the captioned telephone and the relay gateway via analog transmission and (ii) an IP mode in which data is communicated between the captioned telephone and the relay gateway via the Internet. |
| US11570294B1 |
Enhanced incoming call notifications
Methods and systems are provided for providing enhanced incoming call notifications for users who utilized a relay application designed for those with speech, visual, or hearing impairments or disabilities. An indication that a calling party is attempting to initiate an incoming call intended for a receiving party that utilizes a relay application that assists users having hearing, visual, or speech disabilities is received by an intermediate party. A chat session is established utilizing the relay application between the intermediate party and the calling party. Additionally, a Voice over Internet Protocol (VoIP) session is established that does not include a voice session. Upon the chat session being terminated from within the relay application, the VoIP session is terminated. |
| US11570292B1 |
Providing hands-free service to multiple devices
Techniques for providing audio services to multiple devices are described. For instance, connections between a hands-free unit and multiple wireless devices are established. The connections are themselves used to establish active communication channels, such as active audio communication channels, between the hands-free unit and the wireless devices, such as during a phone call. Upon establishment of an active communication channel with one of the wireless devices, the connections to the other wireless devices are disconnected—and/or additional connections refused—for the duration of the active communication channel. Furthermore, a routing module in various embodiments permits multiple hands-free units to route active communication channels to each other depending on user location. |
| US11570291B1 |
Text assisted telephony on wireless device method and apparatus
A communication system and method usable to facilitate communication between a hearing user and an assisted user. In particular, the system employs a wireless portable tablet or other portable electronic computing device linked to a captioning enabled phone as a remote interface for that phone, thereby providing an assisted user with more options, more freedom, and improved usability of the system. |
| US11570287B2 |
Locking mechanism of a mobile terminal battery cover
The present invention provides a locking mechanism in a mobile terminal and a method of manufacturing the same. The locking mechanism comprises a slider, latch, button, and spring. The slider and latch include openings and may translate between a locked position and an unlocked position. The latch may include a protrusion that limits the translation of the slider and the latch when in the locked position. The button is located within the opening of the slider and the opening of the latch, and the spring member is fixed adjacent the latch. In an instance in which an external force is applied to the button, the external force deforms the spring member such that contact between a vertical edge of the protrusion and the spring is precluded allowing translation of the slider and the latch between the locked position and the unlocked position. |
| US11570286B2 |
Antenna and electronic device including the same
An electronic device is provided. The electronic device includes a housing including a first surface, a second surface disposed facing an opposite side of the first surface, and a side surface configured to surround at least a portion of a space between the first surface and the second surface, a first elongated metal member configured to form a first portion of the side surface and including a first end and a second end, at least one communication circuit electrically connected to a first point of the first elongated metal member through a capacitive element, at least one ground member disposed in an interior of the housing, and a first conductive member configured to electrically connect a second point of the first elongated metal member to the ground member. The second point of the first elongated metal member is disposed closer to the second end than to the first point. |
| US11570277B2 |
Configuration method and apparatus
A configuration method and apparatus which resolves a problem that a forwarding delay of a traffic flow or packet is relatively long. The configuration method includes: a mobile edge ME platform manager determining a network forwarding path NFP from an instantiated first MEC application to a first destination application, where the NFP is used to indicate a forwarding path of a traffic flow or packet that is sent by the first MEC application to the first destination application; the ME platform manager sending an NFP creation request to a virtualized infrastructure manager VIM, to request the VIM to create the NFP determined by the ME platform manager; and the ME platform manager associating the NFP created by the VIM with a first traffic flow rule configured for the first MEC application. |
| US11570275B2 |
Intent-based calendar updating via digital personal assistant
Techniques are described herein that are capable of performing intent-based scheduling via a digital personal assistant. For instance, an intent of user(s) to perform an action (a.k.a. activity) may be used to schedule time (e.g., on a calendar of at least one of the user(s)) in which the action is to be performed. Examples of performing an action include but are not limited to having a meeting, working on a project, participating in a social event, exercising, and reading. |
| US11570274B1 |
Systems for exchange of data between remote devices
Application debug protocols that require waiting for responses between each request may be adversely affected if significant latency exists between a test device executing an application and a remote device used to debug the application. To address this, the test device is connected to a separate device that receives requests from the remote device. When a first request is received, the separate device determines other requests that are related to the first request, sequentially sends the other requests to the test device, and receives a response after each request, using a wired connection affected by less latency than communication with the remote device. The separate device then sends each of the requests and responses to the remote device for storage. When the remote device prepares to send a subsequent request, if a response can be determined using the stored data, the stored data is used to determine the response locally. |
| US11570273B2 |
System for prefetching digital tags
Systems and methods described herein can take advantage of the caching abilities of the browser and the idle time of the user to prefetch tag libraries of one or more tags for execution in a subsequent content page. For example, these systems and methods can provide the ability to prefetch and not execute a tag library on a content page before it is required so the tag library is cached in the browser. When the browser hits the page that uses the tag library, the tag library can be quickly retrieved from memory and executed. |
| US11570271B2 |
Differentiated smart sidecars in a service mesh
Differentiated sidecars in a service mesh may be provided. A first routing rule includes a first plurality of weights to be associated with a first plurality of data paths of a first microservice instance may be received. Next, first mapping between a first set of features associated with the first microservice instance and the first plurality of weights may be determined. Then a second microservice instance may be detected and a second set of features associated with the second microservice instance may be detected. A second routing rule comprising a second plurality of weights to be associated with a second plurality of data paths of the second microservice instance may be determined. The second plurality of weights may be determined such that a second mapping between the second set of features and the second plurality of weights imitates the first mapping. |
| US11570270B2 |
Methods and apparatus to prevent illicit proxy communications from affecting a monitoring result
Methods, apparatus, systems and articles of manufacture to prevent illicit proxy communications from affecting a monitoring result are disclosed. An example method includes accessing a log of communications of a proxy server, the log of communications including a plurality of records, each of the plurality of records corresponding to a requesting device that transmitted a communication to the proxy server, identifying a first internet protocol (IP) address subnet in the log of communications, the first IP address subnet associated with a block of IP addresses, filtering the plurality of records for a first set of records associated with communications originating from the first IP address subnet, and in response to determining the first set of records does not include a record associated with a heartbeat communication, adding the first IP address subnet to a blacklist of the proxy server. |
| US11570268B2 |
Proxy system for bot connectivity to communication channels
A proxy apparatus acts as an intermediary between one or more bot apparatuses and one or more communication channels. The proxy apparatus connects a communication channel to a bot apparatus for the exchange of messages. A user can interact with the bot apparatus through the communication channel. The proxy apparatus is configured to perform one or more operations or services. Example operations include, but are not limited to, registration, authentication and authorization, the recordation of telemetry data, schema transformation, and identity transformation. |
| US11570262B2 |
Methods, systems, and computer readable media for rank processing for network function selection
Methods, systems, and computer readable media for rank processing in network function selection. A method includes periodically receiving, at a network function discovery node, and from each producer network function of a number of producer network functions, a current load value specifying a computing load carried by the producer network function. The network function discovery node is configured for performing service discovery between network functions of a telecommunications core network. The method includes determining, for each producer network function, an available capacity for the producer network function based on the current load value and a published capacity of the producer network function. The method includes responding to a network function discovery request from a consumer network function using the available capacity of each producer network function. |
| US11570252B2 |
Vehicular arbitration system
A vehicular arbitration system includes: a main manager configured to receive one or more requests from a plurality of first application execution units and to determine a request for operating a predetermined on-vehicle device based on the received one or more requests and a predetermined rule; and a plurality of sub-managers respectively configured to arbitrate the request determined by the main manager and a request input from at least one second application execution unit that is different from the plurality of first application execution units and to control the on-vehicle device based on an arbitration result. |
| US11570250B2 |
Communication system and method for communication for a motor vehicle
A communication system intended for use in a motor vehicle includes a plurality of devices (26, 28), a transmission channel (32) that connects the plurality of devices (26, 28) to one another, and a signal source (30) coupled to the transmission channel (32). Each of the devices (26, 28) includes a control unit (36) configured for evaluating signals of the transmission channel (32), and at least two coupling units (38, 40) configured for connecting and disconnecting the particular device (26, 28) to/from the transmission channel (32). The control units (36) of the devices (26, 28) are configured for causing the coupling units (38, 40), at a certain point in time, in each case to connect no more than one of the devices (26, 28) to the transmission channel (32), and to disconnect the other of the devices (26, 28) from the transmission channel (32). |
| US11570249B2 |
Redundant storage gateways
Methods, apparatus, and computer-accessible storage media for providing redundant storage gateways. A client may create a storage gateway group and add storage gateways to the group. The client may assign one or more volumes on a remote data store to each the storage gateways in the group. Volume data for each storage gateway in the group may be replicated to at least one other storage gateway in the group. If one of the gateways in the group becomes unavailable, one or more other gateways in the group may take over volumes previously assigned to the unavailable gateway, using the replicated data in the group to seamlessly resume gateway operations for the respective volumes. Client processes that previously communicated with the unavailable gateway may be manually or automatically directed to the gateway(s) that are taking over the unavailable gateway's volumes. |
| US11570247B2 |
Resilient distributed storage system
A distributed data storage system that includes endpoint nodes, gateway nodes, and one or more gateway name servers. A gateway name server receives from clients resolution requests to resolve to a gateway node and resolves the resolution requests to a gateway node address of a gateway node. A gateway node receives client requests to access an endpoint node and redirects the requests to endpoint nodes identified by a gateway node whose address was resolved to by a gateway name server. An endpoint node receives from a client a retrieval request to retrieve data based on being redirected to the endpoint node. When a retrieval request is received and the endpoint node stores the data, the endpoint node sends the data to the client. When a retrieval request is received and the endpoint node does not store the data, the endpoint node forwards the retrieval request to another endpoint node. |
| US11570244B2 |
Mirroring network traffic of virtual networks at a service provider network
Techniques are described that enable users to configure the mirroring of network traffic sent to or received by computing resources associated with a virtual network of computing resources at a service provider network. The mirrored network traffic can be used for many different purposes including, for example, network traffic content inspection, forensic and threat analysis, network troubleshooting, data loss prevention, and the like. Users can configure such network traffic mirroring without the need to manually install and manage network capture agents or other such processes on each computing resource for which network traffic mirroring is desired. Users can cause mirrored network traffic to be stored at a storage service in the form of packet capture (or “pcap”) files, which can be used by any number of available out-of-band security and monitoring appliances including other user-specific monitoring tools and/or other services of the service provider network. |
| US11570237B1 |
Client-side load balancing for remote application servers
Systems and methods for implementing client-side load balancing for remote application servers. An example method comprises receiving, by a publishing server, an application server status information reflecting computing resource utilization by each application server of a plurality of application servers; receiving a request initiated by a client computing device to access a published application executable by at least a subset of the plurality of application servers; and responsive to determining that a load metric reflecting performance of the publishing server exceeds a threshold value, transmitting an instruction to the client computing device to perform client-side load balancing using a snapshot of the application server status information to select an application server of the subset of the plurality of application servers. |
| US11570236B2 |
System and method for load balancing in a multitenant environment
Embodiments provide systems and methods to load balance using tenant affinities. A method includes configuring a load balancer with a set of tenant affinities, the set of tenant affinities including a tenant affinity for each of a plurality of tenants with respect to each of a plurality of computing nodes that provide services to users in a multitenant environment. Load balancing may include receiving a user request, associated with a tenant, for a service provided by the computing nodes, determining a highest tenant affinity computing node for the tenant using the set of tenant affinities and directing the user request to the highest tenant affinity computing node for the tenant. |
| US11570235B2 |
Systems and methods for cloud migration readiness
A method comprising discovering workload attributes and identify dependencies, receiving utilization performance measurements including memory utilization measurements of at least a subset of workloads, grouping workloads based on the workload attributes, the dependencies, and the utilization performance measurements into affinity groups, determining at least one representative synthetic workload for each affinity group, each representative synthetic workload including a time slice of a predetermined period of time when there are maximum performance values for any number of utilization performance measurements among virtual machines of that particular affinity group, determining at least one cloud service provider (CSP)'s cloud services based on performance of the representative synthetic workloads, and generating a report for at least one of the representative synthetic workloads, the report identifying the at least one of the representative synthetic workloads and the at least one CSP's cloud services including cloud workload cost. |
| US11570226B2 |
Protocol conversion of a video stream
Aspects of the technology described herein are directed towards systems, methods, and computer storage media for, among other things, converting a video stream being transmitted in a first streaming protocol to a second streaming protocol without transcoding the content communicated in the video stream. For example, the technology described herein may convert an RTP video stream to a non-RTP video stream without transcoding. The technology described herein extracts a plurality of media content from an RTP package and repackages the extracted content into a non-RTP streaming protocol, such as WebRTC or HLS. Moreover, the technology described herein can provide for the synchronization of video and audio data during conversion. |
| US11570224B2 |
Methods, systems, and media for navigating through a stream of content items
Methods, systems, and media for navigating through content are provided. In some embodiments, the method comprises: receiving a first plurality of interactive stream items; causing the first plurality of interactive stream items to be presented in a first presentation mode; receiving a first user selection of an interactive stream item from at least a portion of the first plurality of interactive stream items; continuing to receive the stream of content including a second plurality of interactive stream items; determining a second presentation mode based at least in part on a content type associated with the second plurality of interactive stream items; causing the second plurality of interactive stream items to be presented in a second presentation mode; receiving a second user selection indicating that the interactive stream item is no longer selected; and causing the second plurality of interactive stream items to be presented in the first presentation mode. |
| US11570223B2 |
Intelligent detection and automatic correction of erroneous audio settings in a video conference
Systems, methods, and software to provide intelligent detection and automatic correction of erroneous audio settings in a video conference. Electronic conferences can often be the source of frustration and wasted resources as participants may be forced to contend with extraneous sounds, such as background/ambient noises, or conversations not intended for the conference, provided by an endpoint that should be muted. Similarly, participants may speak with the intention of providing their speech to the conference while their associated endpoint is muted. As a result, the conference may be awkward and lack a productive flow while endpoints are erroneously muted or non-muted. By intelligently processing at least the video portion of a video conference, endpoints/participants may be prompted to mute/unmute or automatically muted/unmuted. |
| US11570222B2 |
Simultaneous input system for web browsers and other applications
In a computing environment, a method for processing inputs from different users across multiple application windows resulting in a multi-user graphical user interface (GUI), the computing environment running an operating system (OS) designed to run with a single user GUI, the method including determining, in a primary application, separate from the OS, that a first user input corresponds to a first window and a second user input corresponds to a second window, the primary application sending the first and second user inputs to first and second secondary applications that run in parallel with the primary application, the first and second secondary applications being designed to run with the OS. |
| US11570220B1 |
Device-based ad hoc conferencing
An ad hoc conferencing system and methods are provided. Information is stored to associate a particular meeting link with an endpoint device. A first request to initiate a communication session is received from the endpoint device, wherein the first request is generated by a local participant interacting with the endpoint device. A second request to join the communication session is received from a remote device, wherein the second request is transmitted in response to a remote participant inputting, on the remote device, the particular meeting link. The communication session is established between the endpoint device and the remote device based on receiving the first request and receiving the second request. |
| US11570218B1 |
Systems and methods for synchronous group device transmission of streaming media and related user interfaces
Systems and methods for providing synchronous transmission of streaming media are disclosed. One method may include: receiving, from a first user device associated with a first user, a request to invite a second user to a virtual media streaming session; retrieving, from the at least one database, a second user profile, the second user profile identifying a second user device associated with the second user; transmitting, subsequent to the retrieving, instructions to the second user device to present a notification alerting the second user of the request; determining, using a processor, whether a response accepting the request is detected from the second user device; and connecting, responsive to determining that the response accepting the request was detected, the second user profile to the virtual media streaming session; wherein multimedia content presented in the virtual media streaming session is simultaneously viewable on the first user device and the second user device. |
| US11570211B1 |
Detection of phishing attacks using similarity analysis
A computerized system and method to detect phishing cyber-attacks is described. The approach entails analyzing one or more displayable images of a webpage referenced by a URL to ascertain whether the one or more displayable images, and thus the webpage and potentially an email including the URL, are part of a phishing cyber-attack. |
| US11570210B2 |
Online advertisement fraud detection
A fraud monitor in a managed network is provided. The fraud monitor uses the network's instrumentation data, configuration data, and account information to detect fraudulent activities in the network, such as fraudulent advertisement or other types of fraudulent data traffic, including fraudulent responses (e.g., fraudulent clicks) to advertisement. The fraud monitor receives configuration data and identification data for physical resources of the network. The fraud monitor receives instrumentation data of packet traffic in the network. The fraud monitor receives account information for users of the network. The fraud monitor analyzes the instrumentation data to detect a violation of a fraud detection policy that prevents malicious or fraudulent online advertisement activity based on the configuration data, identification data, or account information. |
| US11570209B2 |
Detecting and mitigating attacks using forged authentication objects within a domain
A system for detecting and mitigating attacks using forged authentication objects within a domain is provided, comprising an authentication object inspector configured to observe a new authentication object generated by an identity provider, and retrieve the new authentication object; and a hashing engine configured to retrieve the new authentication object from the authentication object inspector, calculate a cryptographic hash for the new authentication object, and store the cryptographic hash for the new authentication object in a data store; wherein subsequent access requests accompanied by authentication objects are validated by comparing hashes for each authentication object to previous generated hashes. |
| US11570204B2 |
Detecting and mitigating golden ticket attacks within a domain
A system and methods for mitigating golden ticket attacks within a domain is provided, comprising an authentication object inspector configured to observe a new authentication object generated by an identity provider, and retrieve the new authentication object; and a hashing engine configured to retrieve the new authentication object from the authentication object inspector, calculate a cryptographic hash for the new authentication object, and store the cryptographic hash for the new authentication object in a data store; wherein subsequent access requests accompanied by authentication objects are validated by comparing hashes for each authentication object to previous generated hashes. |
| US11570201B2 |
System and method for detecting and blocking malicious attacks on a network
Systems and method of detecting and blocking malicious attacks on a computer network, including: receiving, by a memory constrained gateway in communication with the computer network, a communication request from at least one device, identifying the type of the at least one device based on the received communication request, verifying that the device is of an allowed type from a predetermined list of allowed device types, checking at least one signature of the received communication request of the allowed device to detect malicious signatures, and blocking communication requests from devices with at least one malicious signature. |
| US11570196B2 |
Method for determining duplication of security vulnerability and analysis apparatus using same
A method for determining duplication of a vulnerability may include a vulnerability extraction step of extracting vulnerability uniform resource locator (URL) addresses including the vulnerability from an analysis target server; a hash generation step of generating the URL hash value corresponding to the extracted vulnerability from the vulnerability URL address; and a duplication determination step of determining, when the URL hash value is present in the first comparison table, that the vulnerability is duplicated and excluding the corresponding vulnerability from vulnerability information. |
| US11570194B2 |
Identifying high risk computing operations
This specification discloses techniques for risk identification. One example method includes receiving, by a client device, a risk identification request identifying a requested service operation and service data associated with the requested service operation; retrieving, by the client device, service data corresponding to the risk identification request; determining, by the client device, service indicator data associated with the service data; analyzing, by the client device, one or more of the service data and the service indicator based on a risk identification rule or a risk identification model to produce a risk result; and determining, by the client device, whether the requested service operation is a high risk operation based at least in part on the risk result. |
| US11570192B2 |
Methods, systems, and devices for detecting over-the-top piracy
Techniques for detection over-the-top piracy are described. In some embodiments, a piracy detection method is performed at a server by a piracy detector. The piracy detector obtains records associated with requests for access from a plurality of client devices. The piracy detector further distributes the records to a plurality of nodes according to distribution keys extracted from the records, where each of the plurality of nodes receives a respective set of records associated with a respective distribution key and generates a set of respective watch session records based on the respective set of records. The piracy detector also generates watch session records associated with the distribution keys by aggregating the respective watch session records from the plurality of nodes. The piracy detector additionally identifies one or more pirated client devices among the plurality of client devices based on clusters established from the watch session records. |
| US11570184B2 |
In-vehicle network system, fraud-detection electronic control unit, and fraud-detection method
In a fraud-detection method for use in an in-vehicle network system including a plurality of electronic control units (ECUs) that exchange messages on a plurality of networks, a plurality of fraud-detection ECUs each connected to a different one of the networks, and a gateway device, a fraud-detection ECU determines whether a message transmitted on a network connected to the fraud-detection ECU is malicious by using rule information stored in a memory. The gateway device receives updated rule information transmitted to a first network among the networks, selects a second network different from the first network, and transfers the updated rule information only to the second network. A fraud-detection ECU connected to the second network acquires the updated rule information and updates the rule information stored therein by using the updated rule information. |
| US11570179B2 |
Secure transfer using media access control security (MACsec) key agreement (MKA)
A key server device obtains authorization information of a user associated with an intelligent electronic device (IED). The key server communicates the authorization information to the IED, via a Media Access Control Security (MACsec) Key Agreement (MKA) protocol to allow the IED to authenticate the user. The key server receives one or more commands from the user. The key server communicates the one or more commands to the IED to allow the IED to perform operations based on the one or more commands. |
| US11570177B2 |
Distributed remote network systems for processing resource center operations
A remote distributed system for processing resource center operations by extracting one or more interaction entity profiles from one or more resource entity systems, store the one or more interaction entity profiles in a repository in the memory of the distributed remote networks systems, identifying that at least one third party entity system is requesting permission to access at least one interaction entity profile, where in the at least one third party entity system is associated with a resource center, authenticating the at least one third party system and displaying, via a graphical user interface, the at least one interaction entity profile on the at least one third party system, wherein the at least one interaction entity profile is used by the at least one third party entity to process interactions associated with the resource entity and an interaction entity associated with the at least one interaction entity profile. |
| US11570175B2 |
Communication network edge computing authorization
A method of authorizing computing services at the edge of a communication network. The method comprises receiving an authorization request from an application server by an authorization application executing on a computer, in response to receiving the authorization request, analyzing by the authorization application a plurality of records of communication transactions completed by the application server to determine compliance with network edge communication terms of use defined for the application server by the communication network, wherein the records are stored in blocks of a blockchain maintained by the authorization application, and, based on determining that the application server is in compliance with the terms of use, sending an authorization message by the authorization application to the application server, wherein the authorization message indicates a deadline for requesting a next authorization from the authorization application, whereby the edge computing is supported securely by the communication network. |
| US11570174B2 |
Audio signal based identification
Controlling wireless access to target devices by initiating, by a user device, wireless pairing with a target device. The user device collects, concurrent with the initiating, a wireless signal of at least the target device. One or more computing devices builds a profile for the user device based on the collected wireless signal. The one or more computing devices controls access of the user device to functionality of the target device based on the profile. |
| US11570171B2 |
System and method for license management of virtual appliances in a computing system
System and computer-implemented method for license management of virtual appliances in a computing system uses an activated virtual appliance in the computing system to forward an activation license from a license server on behalf of an unactivated virtual appliance in the computing system. |
| US11570159B2 |
Secure key management in a high volume device deployment
A method is provided for remotely and securely accessing a modem is provided that uses an encrypted authentication token with a modem password. The method includes receiving an encrypted authentication token from the modem, the authentication token having a modem password stored in secure memory and being encrypted according to a public key, transmitting the encrypted authentication token to an authentication server. receiving a decrypted authentication token from the authentication server, the decrypted authentication token comprising the modem password, generating an authentication key and a privacy key from the modem password, configuring modem interfaces at least in part using the authentication token, the modem interfaces including a network management protocol interface and communicating with the modem using the network management protocol interface according to at least one of the generated authentication key and the privacy key. |
| US11570155B2 |
Enhanced secure encryption and decryption system
Methods are described for a data creator to securely send a data payload to another device in a transient symmetric key technology (TSKT) system, and for the other device to securely receive the payload data. One method includes receiving a first seed and a formula from a command and control server. A second seed is generated, and the first seed and the second seed are combined using the formula to create a data seed. A first key is generated using the first seed, and the second seed is encrypted using the first key to form an encrypted second seed. A second key is generated using the data seed, and the data payload is encrypted using the second key to form an encrypted data payload. The encrypted data payload and the encrypted second seed are combined in a secure container, and subsequently all keys and seeds and the formula are destroyed. |
| US11570153B2 |
Virtual machine perfect forward secrecy
Provided is a method, a computer program product, and a system for providing perfect forward secrecy in virtual machines. The method includes receiving a secure memory allocation function from an application, including a connection secret to be stored in memory. The method further includes allocating memory for the connection secret according to the memory size parameter and storing an entry relating to the connection secret in a secure database. The memory information includes a memory location and a memory size of the memory. The method also includes monitoring an operation state relating to the virtual machine. The method further includes receiving, from the application, a secure deallocation function relating to the connection secret and retrieving the memory information from the secure database. The method also includes deleting the connection from the memory and sanitizing the memory location logged by the memory information. |
| US11570152B2 |
Data linkage across multiple participants
An example operation may include one or more of determining, by a supply-chain node, a plurality of assets of a supply-chain node, and executing, by the supply-chain node, a smart contract to: assign aliases to the plurality of the assets; and match the plurality of the assets with a plurality of assets of a different supply-chain node based on the aliases. |
| US11570151B2 |
Establishing a connection between a user device and an access zone
A method for remote access includes obtaining, by a virtual private network (VPN) server, trust data of a user accessing a first network; determining, by the VPN server, a first trust level corresponding to the trust data according to a first correspondence, wherein the first correspondence comprises the trust data and the first trust level; determining, by the VPN server, a first access zone of the first network corresponding to the first trust level according to a second correspondence, wherein the second correspondence comprises the first trust level and the first access zone; and establishing, by the VPN server, a first VPN connection between a device used by the user and the first access zone. |
| US11570143B2 |
Identifying network addresses contacted by applications without platform domain name resolution
A device implementing the subject system may include at least one processor configured to receive, by a first system process, a first network address that corresponds to a domain name that was resolved by a second system process, the resolving having been responsive to a resolution request therefor by an application process. The at least one processor may be further configured to receive, by the first system process, a second network address for which a network connection was opened by the application process. The at least one processor may be further configured to, responsive to determining that the application process opened a network connection for a network address for which the application process did not provide, to the second system process, a resolution request for the corresponding domain name, provide, by the first system process, an indication of the network address in conjunction with an indication of the application process. |
| US11570140B1 |
Detecting and correcting colliding media access control addresses
An apparatus for correcting MAC addresses includes a device port for connecting to a computing device with a colliding MAC address with potential to collide with MAC addresses of other computing devices within a computer network. The apparatus includes a network port for connecting to a network device connected to other computing devices. A reassignment module is configured to assign a non-colliding MAC address in place of the colliding MAC address of the computing device and a replacement module is configured to replace the colliding MAC address of a datagram received on the device port with the non-colliding MAC address and transmit the datagram with the non-colliding MAC address from the network port to the network device, and to replace the non-colliding MAC address of a datagram received on the network port with the colliding MAC address and transmit the datagram with the colliding MAC address to the computing device. |
| US11570136B2 |
Wireless extension of broadband access
Methods, systems, and apparatuses are described for extending a network through the use of access nodes. The access nodes may receive packets from user devices via wireless networks. The packets may be routed to a remote server for further network access. The access nodes may communicate with the user devices using network addresses associated with the wireless networks. |
| US11570134B2 |
Methods and apparatuses for managing external approval provisioning and external messaging communication requests in a group-based communication system
Various embodiments of the present disclosure are directed to a group-based communication system that is configured to more efficiently manage resource sharing requests. In particular, in some embodiments, the group-based communication system is configured to enable admin users to use an external service, such as an external approval provisioning service, that is separate and distinct from the group-based communication system to manage group-based communication resource sharing requests. In other embodiments, the group-based communication system is configured to allow communication with external users and to trigger new user onboarding protocols through the ingestion of external user directories associated with a sponsor user. |
| US11570130B2 |
System for delivering notification messages across different notification media
A system for delivering notification messages across different notification media comprises a processor. A processor is configured to provide an indication of a new platform notification channel to one or more platform notification services. The indication is provided to one of the one or more platform notification services through a communication module specific to the one of the one or more platform notification services. The processor is configured to create a mapping from a new universal notification channel to a set of one or more platform notification channel identifiers. Each platform notification channel identifier of the set of platform notification channel identifiers is received from a platform notification service. The processor is configured to provide the set of one or more platform notification channel identifiers to a content provider of the new universal notification channel. The processor is coupled to the memory and is configured to store instructions. |
| US11570129B2 |
User interfaces for messaging conversations
In some embodiments, an electronic device displays a plurality of content items in a messaging conversation. In some embodiments, the electronic device displays user interfaces associated with one or more content items in a messaging conversation. |
| US11570128B2 |
Optimizing effectiveness of content in electronic messages among a system of networked computing device
Various embodiments relate generally to data science and data analysis, computer software and systems, and control systems to provide a platform to facilitate implementation of an interface, and, more specifically, to a computing and data storage platform that implements specialized logic to optimize effectiveness of content in electronic messages as a function, for example, modifiable portions of the content. In some examples, a method may include publishing a first electronic message including data representing a subset of components of electronic message, identifying a performance criterion against which a performance metric may be monitored, monitoring a value of the performance metric, determining a match, and publishing a second electronic message. |
| US11570126B2 |
System, client terminal, control method, and storage medium
A reception service system transmits a first transmission rule to a predetermined client terminal among a plurality of client terminals in a case where an amount of data transmitted from the predetermined client terminal per unit time exceeds a predetermined value. Each of the plurality of client terminals transmits data about an event that has occurred at that client terminal to the reception service system, and stores the first transmission rule transmitted from the reception service system. The client terminal does not transmit at least some of the data about the event that has occurred at the client terminal so that the amount of data transmitted per unit time does not exceed the predetermined value according to the first transmission rule. |
| US11570125B2 |
Fast optical switch
A fast optical switch and networks comprising fast optical switches are disclosed herein. In an example embodiment, a fast optical switch includes two or more fabric switches; a first selector switch; and a second selector switch. The first selector switch may selectively pass a signal to one of the two or more fabric switches. The one of the two or more fabric switches may act on the received signal to provide a switched signal and the second selector switch may selectively receive the switched signal provided by the one of the two or more fabric switches. A slot of the fast optical switch comprises a transmission window of one of the two or more fabric switches that occurs in parallel with at least a portion of a reconfiguration window of the other of the two or more fabric switches. |
| US11570124B2 |
Predictive network capacity scaling based on customer interest
In one example, the present disclosure describes a device, computer-readable medium, and method for scaling network capacity predictively, based on customer interest. For instance, in one example, a method includes predicting an interest of a first customer in data content that will be available for consumption over a data network at a time in the future, wherein the predicting is based on customer data including at least a search pattern associated with the first customer, flagging the data content when the predicting indicates at least a threshold degree of likelihood that the first customer will be interested in the data content, and scaling an allocation of resources of the data network to the first customer, based on the flagging. |
| US11570123B2 |
Generating, at least in part, and/or receiving, at least in part, at least one request
In an embodiment, an apparatus is provided that may include circuitry to generate, at least in part, and/or receive, at least in part, at least one request that at least one network node generate, at least in part, information. The information may be to permit selection, at least in part, of (1) at least one power consumption state of the at least one network node, and (2) at least one time period. The at least one time period may be to elapse, after receipt by at least one other network node of at least one packet, prior to requesting at least one change in the at least one power consumption state. The at least one packet may be to be transmitted to the at least one network node. Of course, many alternatives, modifications, and variations are possible without departing from this embodiment. |
| US11570117B2 |
Congestion control
In an embodiment, header information of messages is altered to specify a window within which to receive information, so that the messages sent by a remote device will be sent at a rate that a network can receive messages. The sending of acknowledgements of messages are paced to control window growth. Bandwidth is allocated to a plurality of flows such that the satisfied flows require less bandwidth than an amount of bandwidth allocated to each unsatisfied flow. |
| US11570108B2 |
Distribution of network traffic to software defined network based probes
In one example, a processor may receive network traffic from a demultiplexer via a first network interface card and place portions of the network traffic into a plurality of hash buckets. The processor may further process a first portion of the portions of the network traffic in at least a first hash bucket of the plurality of hash buckets and forward a second portion of the portions of the network traffic in at least a second hash bucket of the plurality of hash buckets to a switch via a second network interface card. In one example, the switch distributes the second portion of the network traffic to one of a plurality of overflow probes. In one example, the plurality of overflow probes comprises a network function virtualization infrastructure for processing the second portion of the network traffic. |
| US11570104B2 |
Tunnel-based service insertion in public cloud environments
Example methods and systems are provided a network device to perform tunnel-based service insertion in a public cloud environment. An example method may comprise establishing a tunnel between the network device and a service path. The method may also comprise: in response to receiving a first encapsulated packet, identifying the service path specified by a service insertion rule; generating and sending a second encapsulated packet over the tunnel to cause the service path to process an inner packet according to one or more services. The method may further comprise: in response to receiving, from the service path via the tunnel, a third encapsulated packet that includes the inner packet processed by the service path, sending the inner packet processed by the service path, or a fourth encapsulated packet, towards a destination address of the inner packet. |
| US11570099B2 |
System and method for autopartitioning and processing electronic resources
Embodiments of the present invention provide a system for autopartitioning and processing electronic resources. The system is configured for receiving one or more electronic resources from one or more third party systems, determining that the one or more electronic resources match one or more predetermined characteristics, moving the one or more electronic resources that match the one or more predetermined characteristics into a first pipeline and processing the one or more electronic resources. |
| US11570095B2 |
Platform comprising a plurality of routing entities
A physical network element is provided which is configured to operate as a plurality of separated routing entities, each functioning independently of the others, wherein the physical network element is characterized in that: a) each of the plurality of routing entities is provided with its own control, management and data planes, as well as with a dedicated routing information base table and a forwarding information base table; and b) all of the plurality of routing entities are configured to operate while sharing at least one member of a group that consists of: (i) one or more packet processors comprised in the physical network element; (ii) one or more central processing units (CPUs) comprised in the physical network element; (iii) one or more fabrics comprised in the physical network element; and (iv) one or more network interfaces comprised in the physical network element. |
| US11570087B2 |
Data routing in a customer-premises equipment using link aggregation
The routing of data received from a first network device into a second network device, each having a link aggregation engine, includes detecting whether or not the data has already undergone a link aggregation operation in the first device or upstream, based on markers present in the data, and then selecting an output link from all the output links of the second device participating in link aggregation if the data has not already undergone link aggregation, or selecting the output link from all the output links of the second device participating in link aggregation except for the output link towards the first device if the data has already undergone link aggregation, and transmitting the data on the output link selected. |
| US11570077B2 |
Traffic flow trace in a network
An example network orchestrator of a SDN is configured to receive, based on a user input, credentials associated with a traffic flow. Based on the credentials, it is determined whether the traffic flow is received at an ingress overlay network node. Route information and encapsulation information of the traffic flow is extracted from the ingress overlay network node. A first set of underlay network nodes each of which is a potential next hop for the traffic flow is identified. It is determined, based on the encapsulation information, whether the traffic flow is received by one of the first set of underlay network nodes. It is determined whether the traffic flow is received at an egress overlay network node from one of the first. A network trace of the traffic flow is determined based on the determinations of whether the traffic flow is received at the ingress overlay network node, one of the first set of underlay network nodes, and the egress overlay network node. Based on the network trace, a fault in a link between network nodes or in the ingress overlay network node or in the egress overlay network node or in one of the first set of underlay network nodes is detected. |
| US11570073B1 |
Service status notification
A provider edge (PE) device may receive traffic associated with one or more services, wherein the traffic includes a plurality of packets, and may determine, based on the plurality of packets, one or more packets respectively associated with each service of the one or more services. The PE device may determine, based on the one or more packets respectively associated with each service of the one or more services, a respective status of each of the one or more services. The PE device may generate type-length-value (TLV) data that indicates the respective status of each of the one or more services and may cause the TLV data to be added to a link layer discovery protocol (LLDP) packet. The PE device may send the LLDP packet that includes the added TLV data to a customer edge (CE) device. |
| US11570071B2 |
Automated manipulation and monitoring of embeddable browsers
Techniques are disclosed relating to monitoring network traffic of an embeddable browser displayed by an application executing on a mobile computing device. In some embodiments, a first layer of the application manipulates one or more user interface elements displayed in the embeddable browser. The first layer of the application then detects network requests made by one or more application programming interfaces (APIs) executed by the embeddable browser in response to the manipulating. In some embodiments, the first layer sends to a second layer of the application results of observing network requests. In some embodiments, the second layer of the application displays, in real-time, information corresponding to the results of observing network requests. The disclosed techniques for monitoring activity on an embeddable browser included in mobile applications despite mobile security restrictions may advantageously reduce or remove wait times associated with manipulating and observing content of the embeddable browser. |
| US11570069B2 |
Network traffic classification method and system based on improved K-means algorithm
Disclosed are a network traffic classification method and system based on an improved K-means algorithm. The method comprises: judging whether a total number NIC of network traffic data points in an initial clustering center set reaches an expected number k of network traffic clusters, if the k is not reached, calculating candidate metric values of network traffic data points in a high-density network traffic data point set, selecting a network traffic data point having the maximum candidate metric value, adding same into an initial clustering center set, removing the network traffic data point from the high-density network traffic data point set, then repeating the step until the total number NIC of network traffic data points in the initial clustering center set reaches the k, and ending the step. The method and system can ensure high network traffic classification accuracy. |
| US11570067B2 |
Analysis system and analysis method
A collection device (10) collects traffic from a core network (10N) connected to a plurality of operator networks (20N). Further, an analysis device has a plurality of functions of analyzing traffic. Further, a setting device sets a scenario that designates at least one of the plurality of functions. Further, a pre-processing device converts the traffic collected by the collection device (10) to traffic of a format suitable for the function designated by the scenario. Further, a distribution device distributes the traffic converted by the pre-processing device to a designated function. |
| US11570066B1 |
Slice intent efficiency assurance and enhancement in enterprise private 5G network
An approach to configure enterprise wireless mobile network slices. A method includes receiving slice definition information representative of a network slice, the slice definition information including an expected slice efficiency index of the network slice, provisioning the network slice, consistent with the slice definition information, in a wireless network, receiving telemetry corresponding to operational metrics of an instance of the network slice that is used by one or more devices in the wireless network, calculating an actual slice efficiency index for the instance of the network slice based on the telemetry corresponding to the operation metrics of the instance of the network slice, determining whether the expected slice efficiency index differs from the actual slice efficiency index by a predetermined threshold, and indicating a course of action to cause the actual slice efficiency index to more closely align with the expected slice efficiency index. |
| US11570062B2 |
Deep fusion reasoning engine (DFRE) for dynamic and explainable wireless network QoE metrics
In one embodiment, a network quality assessment service that monitors a network obtains multimodal data indicative of a plurality of measurements from the network and subjective perceptions of the network by users of the network. The network quality assessment service uses the obtained multimodal data as input to one or more neural network-based models. The network quality assessment service maps, using a conceptual space, outputs of the one or more neural network-based models to symbols. The network quality assessment service applies a symbolic reasoning engine to the symbols, to generate a conclusion regarding the monitored network. The network quality assessment service provides an indication of the conclusion to a user interface. |
| US11570061B2 |
Method and apparatus for topology discovery enabled intrusion detection
The present invention discloses the method and apparatus for topology discovery enabled intrusion detection. In information and communications technology (ICT) systems, end devices are organized into subnets that are communicated with the system center through the multi-service gateways. Any intrusion can incur the variations of the communications environments and the subnet topologies. The potential external intruding devices are detected by the varied communications environments and identified by the difference between the original and new subnet topologies constructed by the topology discovery method. The information of potential external intruding devices is sent to the system center for device authentication. If passed, the device is kept associated and the system topology is updated with the newly discovered subnet topology. If failed, the device is enforced to disassociate, and an enhanced secure mode is triggered where the messages communicated over the intruded subnet are encrypted. |
| US11570060B2 |
Artificial intelligence real-time microseism monitoring node
The application discloses an AI real-time microseism monitoring node, which includes a processor and a data acquisition device, an AI calculation device, and a communication device connected to the processor, wherein the AI calculation device is provided with pre-trained microseism data analysis Device, and the processor is configured to perform the following operations: controlling the data acquisition equipment to acquire microseism data; turning on the AI calculation device to calculate the acquired microseism data by means of the microseism data analysis device to determine the valid event data associated with the microseism; and sending the valid event data to the remote data center through the communication device. |
| US11570059B2 |
Machine learning based end to end system for TCP optimization
Bypass network traffic records are generated for a web application. Sufficient statistics of network optimization parameters are calculated for network performance categories. The bypass network traffic records are partitioned for the network performance categories into network traffic buckets. Sufficient statistics and the network traffic buckets are used to generate network quality mappings. The network quality mappings are used as training instances to train a machine learner for generating network optimization policies to be implemented by user devices. |
| US11570058B1 |
Auto simulation of connectivity checks from the client side
Auto connectivity simulation from the client-side. Workstations/clients are intelligently selected, on a continuous basis, for auto connectivity simulation and probes are communicated to the selected workstations which activate a previously deployed agent that is configured to conduct connectivity simulations to the communication network and, at least, basic utility services provided within the communication network. The comprehensive results of connectivity simulations are analyzed and patterns of connectivity issues are identified. Subsequently, rules are applied to the patterns of connectivity issues to determine appropriate actions, such as reconfiguring the connectivity route, the servers used for connection and/or notifying personnel assigned to address the issues. |
| US11570057B2 |
Systems and methods for contextual transformation of analytical model of IoT edge devices
Disclosed are methods, systems, and non-transitory computer-readable medium for a contextual transformation of an analytical model for an industrial internet of things (IIoT) edge node. For instance, the method may include receiving the analytical model from a cloud service; obtaining local data of the IIoT edge node; analyzing the local data to determine a situational context of the IIoT edge node; determining whether to transform the analytical model based on a fit between the analytical model and the situational context; and in response to determining to transform the analytical model, transforming the analytical model based on the situational context to derive a transformed analytical model. |
| US11570055B2 |
Connectivity templates
An identification of a connectivity template to be applied to a design of a computer network is received. The design of the network is automatically analyzed to identify eligible application points in the design of the network where the connectivity template is eligible to be applied. A specification of one or more specific ones of the identified eligible application points where the connectivity template is to be applied is received. The connectivity template is applied to the specified one or more specific ones of the identified eligible application points to configure the computer network. |
| US11570051B2 |
Method, system, and computer program product for configuring a gateway
Provided is a method for configuring a gateway. The method may include a gateway monitoring current version data stored on at least one first server. The current version data may be associated with a current version of a configuration file. The first server may be remote from the gateway. The current version data may be modified at the first server. In response to the gateway determining that the current version data stored on the first server has been modified, a configuration service may be invoked to retrieve the current version of the configuration file from at least one repository based on the current version data. The repository may include at least one second server remote from the gateway and the first server. The gateway may store a copy of the current version of the configuration file retrieved by the configuration service. A system and computer program product are also disclosed. |
| US11570050B2 |
Methods, systems and computer readable media for performing cabling tasks using augmented reality
A method for configuring a network service system for performing a network service using AR comprises: at a user device executing an AR cabling application: communicating, to an AR cabling subsystem of the network service system, network service task identification information usable for identifying at least one testing or monitoring case (TMC) definition provisioned within the network service system; receiving, from the AR cabling subsystem of the network service system, cabling instructions based on the network service task identification information, wherein the cabling instructions is for instructing the user to perform a cabling task associated with the at least one TMC definition, wherein the cabling task involves connecting at least one cable to one or more physical ports of a physical resource of the network service system; and providing, via a display and using at least one AR element, the cabling instructions for instructing the user to perform the cabling task. |
| US11570048B2 |
Declarative language and compiler for provisioning and deploying data centers on cloud platforms
A system is presented for provisioning resources on a target cloud platform based on a platform-independent specification of a data center. The system identifies data center entities represented within the platform-independent declarative specification and generates data structures and metadata representations of the data center entities. The system then generates instructions for provisioning services or deploying applications for creating one or more services on the target cloud platform based on the data structures and metadata representations of the data center entities according to the declarative specification. The system sends the generated instructions for execution on the target cloud computing platform, where the target cloud computing platform executes the instructions to generate the data center. The system provides users with access to the computing resources of the data center created by the cloud computing platform. |
| US11570042B2 |
Software-defined network controller communication flow
A method, system, and computer program product for open flow connection between differing software-defined network controllers are provided. The method generates a networking interface between a first networking controller and a second networking controller. Networking information is exchanged between the first networking controller and the second networking controller using the networking interface. A logical switch is generated between the first networking controller and the second networking controller by matching at least a portion of the networking information of the second networking controller at the first networking controller. The method exchanges the matched portion of the networking information from the first networking controller with the second networking controller to create layer two open flow connection between the first networking controller and the second networking controller. |
| US11570037B2 |
System and method for remotely identifying physical location of communications device
Systems and methods for evaluating a customer premise equipment (CPE) device. A network element management system may send an alteration request to a configurable coaxial tap. The alteration request may cause the configurable coaxial tap to alter the characteristics of the configurable coaxial tap and/or to manipulate the radio frequency (RF) characteristics of a CPE device coupled to the configurable coaxial tap. The network element management system may receiving impaired operation reports from a cable modem termination system (CMTS), and send an un-alteration request to the configurable coaxial tap. The un-alteration request may cause the configurable coaxial tap to undo the alterations to the characteristics of the configurable coaxial tap or to undo the manipulated RF characteristics of the CPE. The network element management system may receive and use information the CMTS to determine modem-tap-port correlations and the physical location of the CPE. |
| US11570034B2 |
Cluster computing
In some embodiments, a computer cluster system comprises a plurality of nodes and a software package comprising a user interface and a kernel for interpreting program code instructions. In certain embodiments, a cluster node module is configured to communicate with the kernel and other cluster node modules. The cluster node module can accept instructions from the user interface and can interpret at least some of the instructions such that several cluster node modules in communication with one another and with a kernel can act as a computer cluster. |
| US11570032B2 |
Distributed antenna system-based on time sensitive network
A TSN-based distributed antenna system including a headend unit, one or more TSN switches, and one or more remote units and a fronthaul transport network constituted by the headend unit, the TSN switch, and the remote unit is provided. The packet-based fronthaul network constituted by the headend unit, the TSN switch, and the remote unit transmits traffic in a time-deterministic manner while minimizing packet loss through Ethernet to which TSN standards are applied. |
| US11570027B2 |
Method and device in UE and base station for transmitting power adjustment
The present disclosure provides a method and a User Equipment (UE) supporting transmission power adjustment. The UE receiving a first signaling; and transmitting a first radio signal; wherein, a first modulation symbol sequence is used to generate the first radio signal, the first modulation symbol sequence employs a target waveform, a first bit block is used to generate the first modulation symbol sequence, the first signaling is used to determine the target waveform out of X waveforms, the X is a positive integer greater than or equal to 2, a transmitting power of the first radio signal is a first power, the target waveform is used to determine an upper bound of the first power. The method can adjust the UE transmitting power according to the waveform of the uplink transmission, thus reducing the power loss of the UE or improving the coverage performance of the uplink transmission. |
| US11570022B2 |
Electrical device that accesses a mobile telephony network in an alternative operating mode
Electrical device designed to operate in an alternative operating mode in which the electrical device accesses a mobile telephony network (2), the electrical device having a central processing component (3) designed to manage the operation of the electrical device, a reception device (15) for receiving a SIM card (16), a presence detector (17) for detecting the presence of the SIM card, and a communication module (6) dedicated to communications with the mobile telephony network and linked to the reception device (15), the electrical device being characterized in that the central processing component (3) comprises a detection input (22) linked to the presence detector (17), such that the central processing component (3) is designed to determine whether or not the SIM card (16) is positioned in the reception device (15) without activating the communication module (6). |
| US11570019B2 |
Home automation system including operation based contextual information communications and related methods
A home automation (HA) system may include, within a senior living facility, a cloud server, HA operation devices and HA user interface devices for respective users. Each HA user interface device may wirelessly communicate with the HA operation devices and the cloud server. HA hub devices may provide communications for the HA user interface devices, the HA operation devices, and the cloud server. A caregiver interface device may cooperate with the cloud server to display contextual information for a respective user. The cloud server may cooperate with the caregiver interface device to determine when the caregiver interface device is within a room in the senior living facility associated with the respective user, and when so, determine a current operation of a given HA operation device, determine the contextual information based upon the current operation of the given HA operation device, and communicate the contextual information to the caregiver interface device. |
| US11570018B2 |
Systems, methods, apparatus and media for use in association with scheduling
In at least one aspect, a method comprises: receiving information associated with a plurality of scheduled actions, each of the plurality of scheduled actions defining a device to be controlled, an action to be carried out with respect to the device to be controlled, a scheduled day on which to carry out the scheduled action and a scheduled time of day to carry out the scheduled action on the scheduled day; determining a chronological ordering that indicates a chronological order in which at least a subset of the plurality of scheduled actions are scheduled to be carried out; generating a view based at least in part on the chronological ordering; and displaying the generated view. Such methods may be performed or implemented by various devices, apparatuses and/or systems. |
| US11570017B2 |
Batch information processing apparatus, batch information processing method, and program
An information processing apparatus includes a control unit (140) that executes a detection process of detecting, on the basis of user-specified position information in a space and target position information in the space, a plurality of processing targets that is continuously selected by a user from a plurality of selection targets within the space, and a batch operation process of executing a batch operation on the detected plurality of processing targets on the basis of processing policy information indicating a processing policy specified by the user for the detected plurality of processing targets. |
| US11570013B2 |
Method and apparatus for providing chat service
A method and apparatus for providing a chat service are provided. The method for providing a chat service according to one embodiment includes providing an invitation target list including a plurality of user groups to a user device of a user participating in a chat room, receiving, from the user device, an invitation request for one or more user groups selected as invitation target user group from among the plurality of user groups, and inviting the invitation target user group to the chat room. |
| US11570012B2 |
Systems and methods for virtual interactions
Systems and methods for virtual interactions are described. One or more users can view or listen to media, react to the media and share such media experience virtually with others. The media experience can take place synchronously, asynchronously or both. |
| US11570008B2 |
Pseudonym credential configuration method and apparatus
A pseudonym credential configuration method and apparatus are provided. The method includes: receiving an identifier of a terminal device and information about N to-be-requested pseudonym credentials from the terminal device, sending N second request messages to a pseudonym credential generation server, and storing a tag of each second request message in association with the identifier of the terminal device in the registration server, so that the registration server can obtain, based on the tag, the identifier that is of the terminal device and that is associated with the tag; and generating N pseudonym credentials. The pseudonym credential generated in this application may enable a behavior investigation server to learn of a real identity of the terminal device. |
| US11570006B2 |
Transaction data processing method, computing device, and storage medium
A transaction data processing method includes: receiving a first transaction document from a device of a transaction initiator, the first transaction document being associated with identity labels of a plurality of transaction participants; separately performing identity authentication on the plurality of transaction participants according to the identity labels of the plurality of transaction participants, to obtain an identity authentication result. The method also includes adding the identity authentication result into the first transaction document when the identity authentication results indicates identity authentication of each of the plurality of transaction participants is successful, to generate a second transaction document carrying the identity authentication result; separately transmitting a signature request for the second transaction document to devices of the plurality of transaction participants; and generating a third transaction document according to responses returned by the devices of the plurality of transaction participants in response to the signature request. |
| US11570005B2 |
Systems and methods for proving immutability of blockchains
The present disclosure provides systems, methods, and computer-readable storage media having functionality to prove immutability of blockchains without accessing user data. A user may submit data for storage to a data management server and the data management server may generate one or more data records corresponding to the data at a database and one or more blocks at a blockchain, each block corresponding to of the data records. Block information associated with the generated blocks may be transmitted to a remote computing device for storage at a database. Prior to storing the block information, the remote computing device may sign the data using a private key or other cryptographic technique. To validate a block, raw block information may be retrieved from the blockchain and compared to the signed block information. If the signed block information matches the raw block information, the block may be determined to be valid (e.g., unchanged). |
| US11570004B2 |
Dynamic self-defined API via digital signatures
Systems and methods are provided for interacting with an Application Programming Interface (API) using a digital signature. In one embodiment, a system includes one or more processors that execute the instructions to perform operations. The operations include receiving a digital signature from a requesting device, the digital signature including an array of one or more bits, where each position in the array is associated with a field in the database and with the data stored in the field of an API; identifying one or more requested fields; accessing the database to retrieve the information associated with the one or more requested fields, the information being associated with at least one API; and providing instructions to the requesting device, based on the retrieved information, causing the requesting application to use the API. |
| US11570003B2 |
Quantumproof blockchain
Bitcoins and the underlying blockchain technology are one of the main innovations in building decentralized applications. The effects of quantum computing on this technology are analyzed in general. Provided herein are effective solutions to address security vulnerabilities in a blockchain-based system that can be exploited by a quantum attacker. |
| US11570001B1 |
Protocols for decentralized networks
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for establishing a proof of storage over a specified period of time. One of the methods includes: (i) receiving, at a prover, an initial input challenge; (ii) producing, at the prover, an output proof proving that the prover has access to specified data for a specified time, wherein producing the output proof includes: (a) producing, at the prover, an initial proof responsive to the initial input challenge, the initial proof proving that the prover is storing specified data; (b) generating, at the prover, a new input challenge based at least in part on the initial proof: (c) producing, at the prover, a new proof responsive to the new input challenge, the new proof proving that the prover is storing the specified data; and (d) repeating, at the prover, the generating step and the producing a new proof responsive to the new input challenge step a number of times, the repeating step generating sequential proofs of storage to determine time of storage , wherein each generating step is based at least in part on a most recent new proof; and (iii) forwarding the output proof, e.g., to a blockchain. |
| US11569996B2 |
Anonymous rating structure for database
An example operation may include one or more of receiving, from an executing client, a blockchain transaction comprising an anonymous rating related to an authorizing client, a merkle tree root node value, a proof, and a nullifier, and in response, executing, by a smart contract, a valid historical value assert call on a lookback key storing the merkle tree root node value, verifying, through a valid historical value assert call, that the merkle tree root node value is a current or previous value of the merkle tree root node value, verifying the proof with the merkle tree root node value and the nullifier, adding the anonymous rating to a shared ledger, marking the nullifier as used, and storing the marked nullifier to the shared ledger. |
| US11569995B2 |
Provisional authentication of a new device added to an existing trust group
Apparatus and method for managing devices within a trust boundary of a computer network. In some embodiments, a trust manager circuit uses a first registration authority to authenticate a plurality of processing devices to form a trust group. A new processing device is subsequently added to the group. The trust manager circuit uses a different, second registration authority to provisionally authenticate the new processing device in response to an unavailability of the first registration authority, and grants provisional rights to the new processing device. Once the first registration authority is once again available, the trust manager performs a full authentication of the new processing device and grants full rights to the device. |
| US11569994B2 |
Accelerating multiple post-quantum cryptograhy key encapsulation mechanisms
An accelerator includes polynomial multiplier circuitry including at least one modulus multiplier operating according to a mode. The at least one modulus multiplier include a multiplier to multiply two polynomial coefficients to generate a multiplication result, a power of two reducer to reduce the multiplication result to a reduced multiplication result when the mode is a power of two mode, and a prime modulus reducer to reduce the multiplication result to the reduced multiplication result when the mode is a prime modulus mode. |
| US11569989B2 |
Blockchain system for hardening quantum computing security
A blockchain-based message transmission is provided. The system may include a plurality of silicon-based devices encapsulated in quantum cases. Each quantum case may include a quantum random number generator and a public key. The quantum random number generator may generate quantum-resilient random numbers to be used as private keys. The system may include a private network. The private network may include a subset of system's devices. A first device, included in the private network, may transmit a message to a second device included in the private network. A first quantum case that encapsulates the first device may intercept the message, generate a private key, encrypt the message using the private key, generate a data transaction block that includes message metadata, upload the data transaction block to a system blockchain and transmit the message to the recipient upon receipt of an approval from a majority of devices. |
| US11569986B2 |
Decryption of secure sockets layer sessions having enabled perfect forward secrecy using a Diffie-Hellman key exchange
A device may receive client cipher information, associated with initiating a secure session, identifying at least one key exchange cipher supported by a client device associated with the secure session. The device may determine, based on the client cipher information, that a Diffie-Hellman key exchange is to be used to establish the secure session. The device may determine whether a server device, associated with the secure session, supports use of the Diffie-Hellman key exchange. The device may manage establishment of the secure session using a first decryption technique based on determining that the server device does not support the use of the Diffie-Hellman key exchange, or manage establishment of the secure session using a second decryption technique based on determining that the server device supports the use of the Diffie-Hellman key exchange or being unable to determine whether the server device supports the use of the Diffie-Hellman key exchange. |
| US11569983B2 |
Vehicle digital key cloud storage
A vehicle includes a wireless transceiver; and one or more controllers, programmed to receive, via the wireless transceiver, a hailing instruction that identifies a user to ride in the vehicle, the hailing instruction including an identifier of a mobile device of the user, responsive to receiving a key from the mobile device via a wireless connection between the mobile device and the wireless transceiver, associate the key with the identifier, and send the key and the identifier as an associated pair to a server via the wireless transceiver. |
| US11569982B2 |
Blockchain compression using summary and padding blocks
Technologies for compressing a blockchain. In some examples, the technologies include removing selected blocks within a blockchain, and replacing the selected blocks with a summary block and a padding block. Each block of the selected blocks includes data in a certain state (such as data in an obsolete state). The technologies can include generating the summary block and padding blocks according to the data in the selected blocks and an original root hash included in the selected blocks and other blocks of the blockchain. The generating of the summary and padding blocks can include generating a new root hash in the summary and padding blocks that only replaces the original root hash in the summary and padding blocks. The generation of the new root hash can be based on a part of a header of a non-selected block of the blockchain directly linked to an end block of selected blocks. |
| US11569981B1 |
Blockchain network based on machine learning-based proof of work
Systems and techniques are disclosed for a blockchain network based on machine learning-based proof of work. One of the methods includes accessing a blockchain associated with a blockchain network, and obtaining a first error value specified in a block of the blockchain, the first error value being associated with a machine learning model identified in the block, and the blockchain recording machine learning models. A new machine learning model associated with a second error value is determined, with the second error value being less than the first error value. A block proposal identifying the new machine learning model is generated, the block proposal specifying the first error value. Transmission of the block proposal to other entities is caused. In response to greater than a threshold percentage of the entities approving the block proposal, inclusion of the block proposal in the blockchain is caused. |
| US11569973B1 |
Hybrid full duplex communications in a radio frequency cable network
Systems and methods presented herein provide for improved duplex communications in an RF cable network comprising a plurality of CMs. In one embodiment, a system includes a CMTS operable to transmit downstream communications to the CMs and to process upstream communications from the CMs. The system also includes a duplex RF communication path between the CMTS and the CMs. The CMTS is further operable to transmit a control signal that directs a first of the CMs to transmit, to direct the remaining CMs to receive the transmission from the first CM, to direct the CMs to report received power levels of the transmission from the first CM, and to calculate RF isolations of the remaining CMs with respect to the first CM based on the reported power levels. |
| US11569971B2 |
Electronic device comprising diplexer capable of adjusting cutoff frequency in connection with adjustment of reception frequency band of duplexer
Disclosed is an electronic device including an antenna module including one or more antennas transmitting or receiving a signal in a first frequency band and a second frequency band wirelessly, a first duplexer separating the first frequency band into a first transmission frequency band and a first reception frequency band and adjusting the first reception frequency band, a second duplexer separating the second frequency band into a second transmission frequency band and a second reception frequency band and adjusting the second reception frequency band, and a diplexer including a first terminal electrically connected to the antenna module, a first filter passing the first frequency band, a second terminal electrically connected to the first filter and the first duplexer, a second filter passing the second frequency band, and a third terminal electrically connected to the second filter and the second duplexer. The diplexer adjusts a cut-off frequency of the first filter or the second filter in connection with the first reception frequency band adjusted through the first duplexer or the second reception frequency band adjusted through the second duplexer. In addition, various embodiments as understood from the specification are also possible. |
| US11569961B2 |
Reference signaling overhead reduction apparatus and methods
Network equipment receives, from a User Equipment (UE), an indication that the network equipment is to transition to sparse reference signaling for the UE, and the network equipment then transmits the sparse reference signaling to the UE. The sparse reference signaling is consistent with a sparse signaling pattern, which is determined at the UE based on previous reference signaling previously transmitted to the UE or another UE. At a UE, the sparse reference signaling is received from network equipment, and channel measurement and prediction are performed based on the received sparse reference signaling. |
| US11569952B2 |
Method and system for a repeater network that utilizes distributed transceivers with array processing
A device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured to function as relay device, relaying an input data stream from a source device to at least one other device. The relaying may include configuring one or more of the plurality of distributed transceivers to particular mode of relay operation and receiving the input data stream from the source device via at least one of the configured one or more of the plurality of distributed transceivers. The relaying may also include transmitting at least one relay data stream corresponding to the input data stream to the at least one other device, via at least one of the configured one or more of the plurality of distributed transceivers. |
| US11569950B2 |
Prefixing of OFDM symbols to support variable subframe length
The present disclosure relates to a first radio node configured for orthogonal frequency division multiplexing (OFDM), comprising a receiver, a transmitter, a processor and a memory storing instructions executable by the processor for causing the transmitter in a first mode of operation with a first subcarrier spacing f1: to transmit a sequence of prefixed OFDM symbols, and in a second mode of operation with a second subcarrier spacing f2: to transmit a sequence of prefixed OFDM symbols, wherein the sequence of transmitted OFDM symbols is aligned with a predefined repeating radio frame, which is common to both the first and second modes of operation, or with an integer multiple of the predefined repeating radio frame; and the first and second subcarrier spacings are related by an integer factor, f1/f2=p or f1/f2=1/p, with p≠1 integer. |
| US11569948B2 |
Wireless communication system, wireless communication method, radio station and program
A first radio base station informs a second radio base station about the configuration information of a second carrier, such as NBC or EC, not having an individual first identifier, as the configuration information of the second carrier is correlated with a first carrier, such as BC, having the individual first identifier. The radio station has a function of performing communication with a radio terminal using simultaneously a plurality of carriers included in the carrier set. |
| US11569947B2 |
Method and apparatus for managing a resource in a wireless communication system
Various embodiments of the present disclosure provide method and apparatus for managing a resource in a wireless communication system. A method implemented at a network device may comprise allocating, based on respective quality of service, QoS, priority of a plurality of terminal devices, respective automatic repeat request, ARQ, indicator channels for the plurality of terminal devices; transmitting the allocation result to the plurality of terminal devices; and transmitting respective ARQ indicators on the allocated respective ARQ indicator channels to the plurality of terminal devices. |
| US11569945B2 |
Reliable information transmission method and apparatus
Disclosed are methods, apparatus and systems for reliable information transmission for Ultra-Reliable Low Latency Communication (URLLC) in both (Long Term Evolution) LTE-Advanced and New Radio (NR) systems. In some embodiments, a method includes detecting a downlink transmission on a set of downlink resources, and transmitting a set of signals on a set of uplink resources, which are associated with the set of downlink resources, and where portions of a first and second of the set of signals are identical. In other embodiments, a method includes determining, based on a transmission time, that one or more of a plurality of time units comprises a reference signal, identifying a reference pattern for transmission based on the determining, and transmitting a set of signals comprising the reference pattern during the plurality of time units. |
| US11569943B2 |
Method and apparatus for managing hybrid automatic repeat request process in mobile communication system
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for managing a hybrid automatic repeat request (HARM) process of a base station in a mobile communication system according to an embodiment of the present disclosure includes confirming whether a first data corresponding to a first service and a second data corresponding to a second service collide with each other. The method also includes determining whether to toggle a new data indicator (NDI) based on a modulation and coding scheme (MCS) index and the number of physical resource block (PRB) if it is determined that the first data and the second data collide with each other and retransmitting the NDI and the first data according to the determination result. |
| US11569939B1 |
Synchronizing a high-speed signaling interconnect
A system includes a first device and a second device coupled to a link. The first device is to transmit one or more request frames for synchronization of a data layer, each request frame including a quantity of bits and an error code. The second device is to receive a first set of bits corresponding to the quantity of bits in each request frame. The second device is to perform an error decode operation on the first set of bits using a first portion of the first set of bits and determine the first set of bits correspond to a frame boundary of the one more request frames responsive to a success of the error decode operation. The second device is to transmit an acknowledgement of the synchronization of the data layer based on determining the first set of bits corresponds to the frame boundary. |
| US11569935B2 |
Concept for the analysis of a radio communication system
Described herein is the generation of a signal for an analysis of a communication network based on a first version of a radio signal transmitted from a first node of the radio communication system to a second node of the radio communication system received at a passive node by detecting deviations of the first version of the transmitted radio signal from a second version of the radio signal received at the second node, and generating the signal based on the deviations. |
| US11569930B2 |
Method and apparatus for sending modulation and coding scheme (MCS)
This application provides a method for communicating a modulation and coding scheme (MCS). A terminal device obtains a modulation order, a code rate, or a spectral efficiency, determines an index of a reference MCS from a mapping table based on the obtained modulation order, code rate, or spectral efficiency, and reports the index of the reference MCS to a network device. The mapping table includes one or more mapping relationships between an MCS index and a modulation order, a code rate, or a spectral efficiency. The terminal device may process uplink or downlink data based on the determined MCS, thereby improving data transmission reliability. |
| US11569926B2 |
Methods and apparatuses for determining cell access during a cell search
In an embodiment, a method for determining the type of a mobile radio base station is provided. The method may include receiving a synchronization message comprising a mobile radio base station identifier, and determining the type of a mobile radio base station using a previously signaled and stored piece of mobile radio base station type determining information indicating a rule as to how the type of a mobile radio base station out of a plurality of types of a mobile radio base station can be derived from a mobile radio base station identifier and the received mobile radio base station identifier. |
| US11569923B2 |
Method and apparatus for sending and receiving multiframe, and storage medium
Provided are a method and apparatus for sending and receiving a multiframe, a communication device, and a communication network system. The method includes: determining a multiframe identifier used for identifying a multiframe number according to a number of timeslots of a physical layer, where the multiframe number is the number of frames constituting one multiframe; and sending the multiframe to a receiving end, where the multiframe carries the multiframe identifier. Further provided is a computer storage medium. |
| US11569918B2 |
Nonreciprocal quantum device using quantum wave collapse, interference and selective absorption
A quantum device comprising a transmission structure, wherein based on quantum collapse, interference and selective absorption the transmission structure is designed such that quantum waves emitted by at least two bodies, for example, by thermal excitation, are passed preferentially to a subset of these bodies. |
| US11569906B2 |
Communications device, infrastructure equipment and method
A communication device is configured to communicate with an infrastructure equipment forming part of a mobile communications network, and to communicate with one or more relay nodes of the mobile communications network. The communications device comprises a receiver configured to receive signals on the downlink from the one or more relay nodes via a first wireless interface, and to receive signals on the downlink from the infrastructure equipment via second wireless access interface, a transmitter configured to transmit signals on the uplink to the one or more relay nodes via the first wireless access interface, and to transmit signals on the uplink to the infrastructure equipment via the second wireless access interface, and a controller configured to control the receiver to receive the signals and to control the transmitter to transmit the signals. |
| US11569895B2 |
Communication apparatus and control signal mapping method
A communication apparatus includes a circuitry and a transmitter. In operation, the circuitry generates a Demodulation Reference Signal (DMRS) and generates downlink control information indicating a mapping pattern of the DMRS from a plurality of mapping patterns, and the transmitter transmits the DMRS and the downlink control information. The plurality of mapping patterns include a first mapping pattern and a second mapping pattern. Resource elements used for the DMRS of the second mapping pattern are same as a part of resource elements used for the DMRS of the first mapping pattern. A number of the resource elements used for the DMRS of the first mapping pattern is larger than a number of the resource elements used for the DMRS of the second mapping pattern. |
| US11569890B2 |
Power scaling of transmission signal during transmission beam change
A transmission beam change method is disclosed for a wireless communication transmitter adapted to transmit an orthogonal frequency division multiplex (OFDM) signal using a transmission beam of a plurality of transmission beams available at the wireless communication transmitter. The method includes temporarily adapting an output power during a transmission beam change from one transmission beam to another transmission beam. In some embodiments, the transmission beam change is performed during a cyclic prefix (CP) of an OFDM symbol and the temporary adaptation is applied to only a part of the CP. Temporarily adapting the output power includes decreasing the output power to initiate the temporary adaptation and increasing the output power to terminate the temporary adaptation. In some embodiments, the temporary adaptation is performed during all transmission beam changes or only when an occurrence frequency of transmission beam changes is higher than a threshold value. |
| US11569884B2 |
Opportunistic out-of-link channel sounding for multi-link devices
Out-of-link channel sounding using an out-of-band channel sounding link for multi-link devices (MLDs) in a wireless network may be provided. An Access Point (AP) may establish a first Wireless Communication Link (WCL) with a Multi-link Device (MLD). The AP may also establish a second WCL with the MLD. After establishing the first WCL, the AP may transmit a sounding trigger to the MLD on the first WCL. After transmission of the sounding trigger to the MLD on the first WCL, AP may transmit a Channel State Information (CSI) inquiry to the MLD on the second WCL. AP may receive a channel state quantification from the MLD on the second WCL in response to the CSI inquiry. |
| US11569878B2 |
PMI feedback for type II CSI feedback in NR-MIMO
Precoding matrix indicator (PMI) feedback for Type II channel state information (CSI) feedback in new radio (NR) multiple input, multiple output (MIMO) operations is discussed. According to various aspects, a user equipment (UE) determines a plurality of CSI feedback components and identifies a set of discarded ones of these components based on a particular component value of a precoding matrix indicator (PMI) component. The UE may then generate an adjusted CSI report by adjusting how the discarded feedback components are treated. The resulting adjusted CSI report may then be transmitted to a serving base station. |
| US11569875B2 |
Uplink multiple-input multiple-output (MIMO) scheduling using beamformed reference signals
Aspects of the present disclosure provide methods and apparatus for selecting beamforming parameters for uplink transmissions based on an uplink reference signal. An example method generally includes identifying one or more parameters for beamformed transmission to a transmit receive point (TRP), transmitting a reference signal using beamforming in accordance with the identified parameters, and receiving, from the TRP in response to the reference signal, signaling for adjusting the one or more parameters for one or more subsequent beamformed transmissions. |
| US11569874B2 |
Facilitation of incremental feedback for 5G or other next generation network
Channel state information (CSI) can be transmitted to a network node incrementally to increase network efficiency. The CSI feedback framework can be enhanced by allowing a user equipment (UE) to report multiple sets of CSI feedback, where each set can comprise a rank indicator (RI), a pre-coder matrix indicator (PMI), and a channel quality indicator (CQI). Since a different set may have a different sub-band, the CSI feedback framework can support the sub-band rank, wherein rank data from a wideband and the sub-band can be used by the network. |
| US11569873B1 |
MIMO signal symbol detection and search method, decoding circuit and receiving antenna system
A MIMO symbol detection and search method, a decoding circuit and a receiving antenna system are provided. The signal detection and search method includes the following steps. A symbol search tree is obtained, and a plurality of candidate symbols at each layer of the symbol search tree are sorted. The candidate symbols are traversed in sequence at each layer of the symbol search tree. At each layer of the symbol search tree, if a cumulative partial Euclidean distance is greater than or equal to a threshold, un-scanned candidate symbols are excluded. If the cumulative partial Euclidean distance is less than the threshold, the threshold is updated by the cumulative partial Euclidean distance. When all of the candidate symbols have been calculated, an estimated symbol combination is outputted, and the scan of the symbol search tree is terminated. |
| US11569870B2 |
Reception-side apparatus and radio communication method
A reception-side apparatus includes: M receive antennas; and a processor configured to execute a first process of acquiring a first signal received from a first transmission-side apparatus from among signals simultaneously received from the N transmission-side apparatuses by receive diversity processing, and acquiring first data by demodulating and decoding the first signal. In the case of N>M, the processor acquires, for each of all patterns of a combination of a first signal, second signals from M-1 transmission-side apparatuses which are to be cancelled by receive diversity processing and third signals from N-M transmission-side apparatuses which are not to be cancelled by the receive diversity processing, a power ratio of power of the first signal relative to total power of the second and third signals based on a predetermined weight and a channel estimate of each signal, and selects a combination with the largest power ratio from among all the patterns. |
| US11569867B2 |
Power line communication device
The power line communication device detects inverter noise from the voltage waveforms of the power line, and executes the output of the transmission signal in a period in which it is determined that the signal amplitude of the transmission signal in the transmission processing unit exceeds a predetermined value from the output amplitude of the inverter noise, and stops the output of the transmission signal in other periods. |
| US11569864B2 |
Configurable antenna arrangements
An apparatus is provided that includes a set of antenna elements and switching nodes. Each switching node has physical interconnects to a sub-set of the antenna elements for transferring communication signals and the switching nodes have physical interconnects to other switching nodes forming a network of switching nodes for transferring communication signals between switching nodes. The apparatus also includes a controller for controlling operation of switching nodes to control use of the physical interconnects between switching nodes and control creation of different patterns of antenna elements operationally interconnected via multiple operationally interconnected switching nodes. |
| US11569863B2 |
Acoustic sensing nodes and related systems and methods
In an example, a system includes a plurality of acoustically coupled nodes. Each of the nodes includes a transducer, a communication circuit and a controller. The transducer is adapted to be mechanically coupled to a medium. The communication circuit is coupled to the transducer to send and receive acoustic signals via the medium according to at least one communication parameter. The controller is to adaptively configure the at least one communication parameter of the communication circuit based on an acoustic signal received from at least one other of the nodes. |
| US11569859B2 |
Furniture having load-bearing or non-load bearing structures for storage of water or other material
Furniture pieces which incorporate load-bearing or non-load bearing structures in which water or other material may be stored. By incorporating such storage capacity within furniture, a user may take advantage of space that would otherwise be unused or unusable to unobtrusively and conveniently store an emergency water supply or other desired material. |
| US11569855B2 |
Radio receiver and communications system
A software defined radio type radio receiver is used in an environment that is self-sufficient in energy. The radio receiver has a receiving device, which receives the data in the form of a data packet or a portion thereof or a data stream at a certain data rate, and provides the data for further data processing. Wherein in an operating mode, the data is diverted at the receiving device and supplied to a microcontroller at a sampling rate which preferably can be defined. The microcontroller decimates the data by selecting a subset from the set of samples, and the microcontroller buffers in a memory and provides for further processing the decimated data. |
| US11569854B1 |
RF receiver and method for simultaneously compensating carrier frequency offset and optimizing bandwidth by using preamble of a received RF signal
A radio frequency (RF) receiver has an antenna, a low-noise amplifier, a sigma-delta frequency synthesizer/voltage-controlled oscillator (VCO), an in-phase and quadrature (I/Q) mixer, a channel filter, and a digital baseband circuit. The digital baseband circuit has a demodulator, a preamble detection and carrier frequency offset (CFO) estimation circuit, and a CFO to sigma-delta modulation (SDM) input mapper. A preamble field of a digital demodulated signal generated by the demodulator is detected by the preamble detection and CFO estimation circuit. The RF receiver simultaneously compensates its CFO and optimizes a bandwidth of the channel filter based on the detection of the preamble field of the digital demodulated signal by the preamble detection and CFO estimation circuit. |
| US11569853B2 |
Universal notch filter
Systems, methods, and computer program product embodiments are disclosed for removing any fixed frequency interfering signal from an input signal without introducing artifacts that are not part of the original signal of interest. An embodiment operates by using a virtual buffer with a length that matches a length of one cycle of an interfering signal. The embodiment extracts the interfering signal into the virtual buffer. For a sample in the next cycle of the interfering signal that corresponds to a virtual memory location for the virtual buffer, the embodiment can update one or more physical memory locations of the virtual buffer that are in the vicinity of the virtual memory location. This use of virtual buffer can remove any interfering signal without creating the artifacts associated with conventional notch filters. |
| US11569851B2 |
Self interference noise cancellation to support multiple frequency bands with neural networks or recurrent neural networks
Examples described herein include systems and methods which include wireless devices and systems with examples of multiple frequency bands transmission with a recurrent neural network that compensates for the self-interference noise generated by power amplifiers at harmonic frequencies of a respective wireless receiver. The recurrent neural network may be coupled to antennas of a wireless device and configured to generate the adjusted signals that compensate self-interference. The recurrent neural network may include a network of processing elements configured to combine transmission signals into sets of intermediate results. Each set of intermediate results may be summed in the recurrent neural network to generate a corresponding adjusted signal. The adjusted signal is receivable by a corresponding wireless receiver to compensate for the self-interference noise generated by a wireless transmitter transmitting on the same or different frequency band as the wireless receiver is receiving. |
| US11569849B2 |
Apparatuses and methods for wireless communication
An apparatus for wireless communication is provided. The apparatus includes a processing circuit configured to receive data to be wirelessly transmitted within a predefined frequency range. Further, the processing circuit is configured to generate a first radio frequency transmit signal of a first frequency range based on the data, and to generate a second radio frequency transmit signal of a second frequency range based on the data. The first frequency range and the second frequency range are subranges of the predefined frequency range. The apparatus further includes a front-end circuit configured to supply the first radio frequency transmit signal to a first antenna, and to supply the second radio frequency transmit signal to a second antenna. |
| US11569848B2 |
Software-defined radio linking systems
The disclosed invention includes methods for linking individual software-defined radios (SDR) into a cohesive network of SDRs capable of recording a sample of radiofrequency (RF) signals emitted in an RF environment. Individual SDRs communicate with an IP network, and host a linking application that executes the recording. A user identifies a lead SDR from among the SDRs, and uses the lead SDR to task participating SDRs with reference to a clock source. Also disclosed is a system of SDRs configured to be linked into a cohesive network of SDRs capable of recording a sample of RF signals emitted in an RF environment. Embodiments of the disclosed invention include co-located and dispersed SDRs. Some embodiments use SDRs organized into a mesh network. Embodiments of the disclosed invention are configured to perform total band monitoring, total band capture, RF environment simulation, interference identification, interference simulation, and distributed quality of service evaluation of wireless networks. |
| US11569847B1 |
Systems and methods for decoding codewords in a same page with historical decoding information
Systems and methods are provided for decoding data read from non-volatile storage devices. A method that may include decoding a first codeword read from a storage location of a non-volatile storage device using a first decoder without soft information, determining that the first decoder has failed to decode the first codeword, decoding the first codeword using a second decoder without soft information, determining that the second decoder has succeeded in decoding the first codeword, generating soft information associated with the storage location using decoding information generated by the second decoder and decoding a subsequent codeword from the storage location using the soft information associated with the storage location. The second decoder may be more powerful than the first decoder. |
| US11569844B2 |
Optimizations for variable sector size in storage device namespaces
A method and apparatus for determining the sector size and concomitant host metadata size to determine the difference between total size of the data block to be stored, and using the difference for parity data. This allows an increase in parity bits available for smaller sector sizes and/or data with smaller host metadata sizes. Because the amount of space available for additional parity bits is known, data with lower numbers of parity bits may be assigned to higher quality portions a memory array written with longer programming trim times, and/or written to memory dies with good redundant columns, further increasing performance and reliability. |
| US11569843B2 |
Compressing device and method using parameters of quadtree method
A device configured to compress a tensor including a plurality of cells includes: a quadtree generator configured to generate a quadtree searching for a non-zero cell included in the tensor and extract at least one parameter value from the quadtree; a mode selector configured to determine a compression mode based on the at least one parameter; and a bitstream generator configured to generate a bitstream by compressing the tensor based on the compression mode. |
| US11569842B1 |
Nonlinear, decentralized processing unit and related systems or methodologies
Disclosed is a processor chip that includes on-chip and off-chip software. The chip is optimized for hyperdimensional, fixed-point vector algebra to efficiently store, process, and retrieve information. A specialized on-chip data-embedding algorithm uses algebraic logic gates to convert off-chip normal data, such as images and spreadsheets, into discrete, abstract vector space where information is processed with off-chip software and on-chip accelerated computation via a desaturation method. Information is retrieved using an on-chip optimized decoding algorithm. Additional software provides an interface between a CPU and the processor chip to manage information processing instructions for efficient data transfer on- and off-chip in addition to providing intelligent processing that associates input information to allow for suggestive outputs. |
| US11569841B2 |
Data compression techniques using partitions and extraneous bit elimination
Partition information associated with one or more partitions that divide a range of values into at least a higher and lower set of values is received. An uncompressed value that falls within the range of values is received and a compressed value that includes a set indicator and intra-set information is generated using the uncompressed value. This includes generating the set indicator based at least in part on whether the uncompressed value falls in the higher or lower set of values, determining whether the uncompressed value includes an extraneous bit where it is necessary but not sufficient that the uncompressed value fall in the higher set of values for the uncompressed value to include the extraneous bit, and generating the intra-set information, including by: excluding the extraneous bit in the uncompressed value from the intra-set information if it is determined to be included. The compressed value is output. |
| US11569840B2 |
Single-ended direct interface DAC feedback and current sink photo-diode sensor
An analog to digital converter (ADC) that is configured to service a photo-diode includes a capacitor and a self-referenced latched comparator. The capacitor produces a photo-diode voltage based on charging by a photo-diode current associated with the photo-diode and a digital to analog converter (DAC) source current and/or a DAC sink current. The self-referenced latched comparator generates a first digital signal that is based on a difference between the photo-diode voltage and a threshold voltage associated with the self-referenced latched comparator. Also, one or more processing modules executes operational instructions to process the first digital signal to generate a second digital signal and/or a third digital signal. An N-bit DAC generates the DAC source current based on the second digital signal, and an M-bit DAC generates the DAC sink current based on the third digital signal. The DAC source current and/or the DAC sink current tracks the photo-diode current. |
| US11569839B1 |
Method and apparatus for enhancing dynamic range in a digital-to-analog conversion circuit
Described herein is a method and apparatus for enhancing the dynamic range of a digital-to-analog conversion circuit. Dynamic range enhancement (DRE) is accomplished by modifying the gain of components of the circuit so that the gain of components generating noise is effectively reduced. In a circuit utilizing a plurality of 1-bit DACs, analog signal gain is decreased when the full nominal gain of the analog portion of the circuit is not needed to obtain a desired peak output amplitude. The reduction is accomplished by effectively “disconnecting” some of the plurality of 1-bit DACs. Some or all of the 1-bit DACs are configured to have a third or “tri-state” in which there is no connection to the normal two reference levels thus providing no output. If some portion of the 1-bit DACs is placed in the tri-state, both the signal and noise gain will be reduced. |
| US11569834B2 |
Time-interleaved dynamic-element matching analog-to-digital converter
Analog-to-digital converters (ADCs) with a high sampling rate and larger spurious-free dynamic range (SFDR) in the spectral domain are used in many applications, including, but not limited to, range finders, meteorology, spectroscopy, and/or coherent medical imaging. Circuit techniques for time-interleaving a set of low-sampling-rate sub-ADCs into a higher sampling-rate ADC with a larger SFDR than existing approaches are described. In one embodiment, the circuit techniques add a small number of additional units or sub-ADCs. This change in architecture enables a dynamic-selection procedure to time-interleave the set of sub-ADCs in such a way that mismatch-related non-idealities of the constituent sub-ADCs are spread in the frequency domain into a noise-like spectral shape in order to prevent the creation of spurious tones, which would otherwise deleteriously impact the SFDR. |
| US11569830B1 |
Transition aware dynamic element matching
A system includes a digital-to-analog converter comprising a plurality of unit elements, and a dynamic element matching encoder coupled to the digital-to-analog converter. The dynamic element matching encoder includes a circuit configured to determine a number of unit elements of a digital-to-analog converter to be transitioned (Ntm), determine a first number of unit elements to be turned on, and determine a second number of unit elements to be turned off. The circuit may further generate a first signal identifying individual unit elements of one or more unit elements of the digital-to-analog converter in the off state to be turned on, and a second signal identifying the individual unit elements of one or more unit elements of the digital-to-analog converter in the on state to be turned off. |
| US11569829B2 |
ADC having adjustable threshold levels for PAM signal processing
An ADC system dynamically adjusts threshold levels used to resolve PAM signal amplitudes into digital values. The ADC circuitry includes an analog front end to receive and condition the PAM signal, a low-resolution ADC to digitize the conditioned signal according to a first set of threshold values, and a high-resolution ADC to subsample the conditioned signal to generate subsampled signals. A microprocessor in communication with the low-resolution ADC and the high-resolution ADC derives a statistical value from the subsampled signals, determines an updated set of threshold values, and dynamically replaces the first set of threshold values for the low-resolution ADC with the updated set of threshold values. |
| US11569828B2 |
Current operative analog to digital converter (ADC)
An analog to digital converter (ADC) senses an analog signal (e.g., a load current) to generate a digital signal. The ADC operates based on a load voltage produced based on charging of an element (e.g., a capacitor) by a load current and a digital to analog converter (DAC) output current (e.g., from a N-bit DAC). The ADC generates a digital output signal representative of a difference between the load voltage and a reference voltage. This digital output signal is used directly, or after digital signal processing, to operate an N-bit DAC to generate a DAC output current that tracks the load current. The digital output signal provided to the N-bit DAC is an inverse function of the load current. The ADC is operative to sense very low currents (e.g., currents as low as is of pico-amps) and consume very little power (e.g., less than 2 μW). |
| US11569827B1 |
Analog-to-digital convertor pseudo periodic IL estimation
Aspects of the description provide for an analog-to-digital converter (ADC) operable to convert an analog input signal to an output signal at an output of the ADC. In some examples, the ADC includes multiple sub-ADCs coupled in parallel, each of the multiple sub-ADCs coupled to the output of the ADC and operable to receive the analog input signal. The ADC is configured to operate the sub-ADCs in a consecutive operation loop including a transition phase in which the ADC operates each of the sub-ADCs sequentially for a first number of sequences, an estimation phase in which the ADC operates each of the sub-ADCs sequentially for a second number of sequences following the first number of sequences, and a randomization phase in which the ADC operates subsets of the sub-ADCs for a third number of sequences following the second number of sequences. |
| US11569822B2 |
Triple-path clock and data recovery circuit, oscillator circuit and method for clock and data recovery
A clock and data recovery circuit includes a sampling circuit, a phase detector, a first processing circuit, a second processing circuit and an oscillator circuit. The sampling circuit is configured to sample input data according to an output clock, and generate a sampling result. The phase detector is configured to generate a detection result according to the sampling result. The first processing circuit is configured to process the sampling result to generate a first digital code. The second processing circuit is configured to accumulate a portion of the first digital code to generate a second digital code. A rate of change of a code value of the second digital code is slower than a rate of change of a code value of the first digital code. The oscillator circuit is configured to generate the output clock according to the detection result, the first digital code and the second digital code. |
| US11569821B2 |
Superconducting exclusive-OR (XOR) gate system
One example describes a superconducting XOR-gate system. The system includes a pulse generator configured to generate a decision pulse. The system also includes an input superconducting XOR-2 gate that receives a first superconducting logic input signal and a second superconducting logic input signal and is configured to perform a logic XOR function based on the decision pulse on a given phase of a clock signal to provide an intermediate superconducting logic output signal. The system also includes an output superconducting XOR-2 gate that receives the intermediate superconducting logic output signal and a third superconducting logic input signal and is configured to perform a logic XOR function based on the decision pulse on the given phase of the clock signal to provide a superconducting logic output signal. |
| US11569815B1 |
High electric-thermal performance and high-power density power module
A rectangular power module with a body having two short ends defining a length and two long sides defining a width having three parallel circuit paths crossing the short width distance from side to side using side positioned gate terminals and planar top positioned top power terminal positioned between MOSFETS in the circuit for even thermal positioning and reduced current path, inductance, and resistance and increased power density. |
| US11569813B2 |
USB signal output circuit and operation method thereof having reverse current prevention mechanism
The present invention discloses a USB signal output circuit having reverse current prevention mechanism. A switch circuit turns on when a switch control terminal receives a first high level voltage to output a signal from a signal input terminal to a signal output terminal. A first voltage pull-low circuit includes a passive-component high-pass filter circuit and a discharging circuit. The passive-component high-pass filter circuit couples an output terminal voltage of the signal output terminal to a pull-low control terminal. The discharging circuit turns on when a voltage of the pull-low control terminal is larger than a predetermined voltage level to discharge the switch control terminal to pull the switch control terminal to a second high level voltage. A second voltage pull-low circuit pulls the switch control terminal to a low level voltage when the output terminal voltage is larger than a reference voltage and does not have a glitch. |
| US11569811B2 |
Smart electronic switch
An electronic fuse circuit includes an electronic switch with a load current path coupled between an output node and a supply node and that connects or disconnects the output node and the supply node in accordance with a drive signal. The circuit includes a control circuit to generate the drive signal based on an input signal. A monitoring circuit is included in the control circuit to receive a current sense signal representing the load current passing through the load current path and to determine a first protection signal based on the current sense signal and a wire parameter. The first protection signal is indicative of whether to disconnect the output node from supply node. The control circuit changes from normal mode to idle mode when the load current is below a given current threshold and another criterion is fulfilled. |
| US11569810B2 |
Current detection circuit
A current detection circuit includes normally-on-type and a first normally-off-type switching elements with main current paths that are connected in series, and a second normally-off-type switching element that has a source and a gate that are connected to a source and a gate of the first normally-off-type switching element and a drain that is connected to a constant current source, and executes a division process by using drain voltages of the two normally-off-type switching elements. |
| US11569809B2 |
Load drive control device
A predriver circuit that controls driver elements includes a slope control circuit that separately controls inclination of slope of current from the driver elements, and inclination of slope of voltage from a driver circuit. A controller outputs, to the predriver circuit, a current control signal selected from a plurality of current control signals and a voltage control signal selected from a plurality of voltage control signals, to control the slope of current from the driver elements and the slope of voltage from the driver circuit. |
| US11569807B2 |
Voltage comparator circuit, power management circuit, electronic device
The present disclosure provides a voltage comparator circuit, a power management circuit and an electronic device. The voltage comparator circuit compares a voltage difference between a positive electrode input terminal and a negative electrode input terminal with a threshold voltage. An amplifier circuit includes a first input node and a second input node, and amplifies a voltage difference between the first input node and the second input node. The input switch circuit, in a first phase, applies a predetermined voltage of one of the positive electrode input terminal and the negative electrode input terminal to the first input node and the second input node of the amplifier circuit; and in a second phase, applies a voltage of the positive electrode input terminal to the first input node of the amplifier circuit, and applies a voltage of the negative electrode input terminal to the second input node. |
| US11569804B1 |
INL detection and calibration for phase-interpolator
An apparatus includes control logic coupled to a phase detector circuit and an adjustable delay circuit. The control logic is configured to obtain a state of a first phase of an output signal of a phase interpolator relative to a second phase of a reference signal, and adjust a delay of the reference signal until the second phase matches the first phase. The control logic is further configured to measure a total delay of the reference signal when the second phase matches the first phase, and determine integral non-linearity of the phase interpolator at the first code based on the total delay. The control logic may further calibrate a first code of a phase interpolator based, at least in part, on the integral non-linearity. |
| US11569803B2 |
Stagger signal generation circuit
A stagger signal generation circuit is provided. The stagger signal generation circuit includes: a stagger pulse generation circuit, configured to generate a first pulse signal according to a first control signal and generate a second pulse signal according to a second control signal, the first control signal and the second control signal being inverted signals, and the first pulse signal and the second pulse signal being stagger pulse signals; and a delay signal output circuit including G signal output circuits, G being an integer greater than or equal to 2. Each non-first-stage signal output circuits receives a delay output signal outputted by a respective previous-stage signal output circuit as an input signal of a current-stage signal output circuit, and a first-stage signal output circuit receives an initial input signal as an input signal of the first-stage signal output circuit. |
| US11569795B2 |
Resonator device, resonator module, electronic apparatus, and vehicle
A resonator device includes a quartz crystal substrate, a resonator element including a first excitation electrode arranged on a first surface of the quartz crystal substrate, a second excitation electrode arranged on a second surface of the quartz crystal substrate in opposition to the first excitation electrode, and first and second pad electrodes that are arranged on the first surface and are coupled to the first and second excitation electrodes, a base including a substrate and first and second interconnects arranged on the substrate, a first bonding member bonding the first pad electrode to the first interconnect, and a second bonding member bonding the second pad electrode to the second interconnect. The first and second bonding members are arranged such that a first imaginary line that passes through a centroid of the resonator element and is parallel to an X axis is interposed between the first and second bonding members. An angle θ1 formed between the first imaginary line and a second imaginary line passing through the first bonding member and the second bonding member is 100°<θ1<140°. |
| US11569794B2 |
Surface acoustic wave resonator, its manufacturing method, and radio circuit
In a surface acoustic wave resonator according to an embodiment, a quartz-crystal substrate includes an AT-cut 0° X-propagation first quartz-crystal substrate and a Z-cut second quartz-crystal substrate bonded over the first quartz-crystal substrate. A propagation direction of a surface acoustic wave in the second quartz-crystal substrate is inclined from an X-axis of a crystal by 27 to 33°, 87 to 93°, or 147 to 153°, and a thickness of the second quartz-crystal substrate is 0.2 to 1.0 times a wavelength of the surface acoustic wave. |
| US11569793B2 |
Acoustic resonator
An acoustic resonator includes: a resonating unit including a resonating unit including a piezoelectric layer and first and second electrodes disposed on a lower side and an upper side of the piezoelectric layer, respectively; a substrate disposed on a lower side of the resonating unit; a support unit providing a cavity between the substrate and the resonating unit; and an intermediate metal layer separated from the second electrode and disposed in the resonating unit such that at least a portion thereof is surrounded by the piezoelectric layer and the second electrode. |
| US11569792B2 |
Integrated inverter output passive filters for eliminating both common mode and differential mode harmonics in pulse-width modulation motor drives and methods of manufacture and use thereof
Systems and methods of the present disclosure enable drive filtering with reduced common mode and differential mode harmonics using a drive filter including, common-differential mode inductors connected to an alternating current (AC) power source, where each common-differential mode inductor has a common mode inductance and a differential mode inductance. A differential mode capacitor is connected to each common-differential mode inductors for filtering the differential mode inductances. A first common mode capacitor is connected to each common-differential mode inductor for filtering the common mode inductances, where each first common mode capacitor are commonly connected. A second common mode capacitor is connected to each common-differential mode inductor for filtering the common mode inductances, where each second common mode capacitor are commonly connected. Output contacts are connected to the common-differential mode inductors to connect a load to the AC power source. |
| US11569789B2 |
Compensation for ambient sound signals to facilitate adjustment of an audio volume
Embodiments of the invention relate generally to audio device and wearable computing devices to detect and characterize an ambient sound, to adjust an output volume of an audio device. More specifically, disclosed are systems, components and methods to generate audio signals associated with an audio device and an output volume, receive ambient sound signals associated with an ambient sound source, detect the ambient sound signals reaching a threshold intensity, analyzing digital data representing the ambient sound and adjust the audio signals to change the output volume according to a category of the ambient sound signals. |
| US11569788B2 |
Doherty amplifier device
An amplifier device includes a substrate, a composite packaged amplifier having a bottom plate and an output plate, a first amplifier and a second amplifier provided on the bottom plate, a combining node that combines an output of the first amplifier with an output of the second amplifier, an output matching circuits provided on the bottom plate, that has a first transmission line provided between the first amplifier and the combining node, and a second transmission line provided between the combining node and the second amplifier, a third transmission line having one transmission line on which the output plate is mounted and other transmission line that connects the one transmission line to the external port, and wirings connecting to one terminal of the output plate and the combining node. A length of the output plate and the other transmission line is equal or less than π/4 radian for a signal. |
| US11569779B2 |
Surface mount assemblies for a solar panel system
Surface mount assemblies for mounting to a solar panel frame to an installation surface are disclosed. In some embodiments, a base is coupled to a height-adjustable rail mount to slidably couple a track with a fastener assembly that includes of a fastener, spacer, and nut. In some embodiments, a base is coupled to a rail mount and positioned on a base plate to slidably couple to a surface track with a fastener assembly that includes a first fastener slidably coupled to a groove formed by the track, spacer, and second fastener. In some embodiments, a base is coupled to a rail mount for slidably coupling the rail to a height-adjustable base with a fastener. In some embodiments, a two-configuration, track-mounted, rectangular base is designed with a rectangular base having a pair of short-sided legs, a pair of long-sided legs, and a fastener for engaging outer surfaces of a track. |
| US11569778B2 |
Rapidly deployable and transportable high-power-density smart power generators
A portable solar photovoltaic (PV) electricity generator module comprises a plurality of smart power slat (SPS) units, each SPS unit comprising a plurality of solar cells electrically connected together based on a specified cell interconnection design, and, N at least one power maximizing integrated circuit collecting electricity generated by the plurality of solar cells. The plurality of SPS units are mechanically connected such that the SPS units can be retracted for volume compaction of the module, and can be expanded for increasing PV electricity generation by the module. The module can be used as part of an electric power supply with a maximum power point tracking (MPPT) power optimizer, storage battery and leads to connect to a load. The load can be AC or DC. |
| US11569776B2 |
Rotary connector
In response to a measured value of temperature of a stator by a thermometer exceeding a first temperature threshold, an overheat signal may be output to a rotor of a rotary connector via a communication device. In response to the measured value of the temperature exceeding a second temperature threshold higher than the first temperature threshold, power supply to a transmission coil that transmits power to a receiving coil of the rotor in a non-contact manner is stopped. In response to the overheat signal being received or a measured value of temperature of the rotor by a thermometer exceeding a third temperature threshold, a limit signal for limiting current flowing through a load circuit is output. In response to the measured value of the temperature by the thermometer exceeding a fourth temperature threshold higher than the third temperature threshold, output of power received from the stator is stopped. |
| US11569773B2 |
Apparatus and method of controlling compressor, and air conditioner including the same
A compressor control apparatus includes a rectifier configured to rectify AC power to DC power; an inverter including a plurality of switching elements, configured to convert the DC power into a three-phase voltage according to a pulse width modulation (PWM) signal applied to the plurality of switching elements; a motor configured to receive a three-phase current based on the three-phase voltage; a current detector configured to detect a sum of a first phase current, a second phase current, and a third phase current supplied to the motor; and a controller configured to differently determine a duty ratio of the PWM signal applied to each of the plurality of switching elements, and to determine the first phase current, the second phase current, and the third phase current, respectively, based on the determined duty ratio and the sum of the currents detected from the current detector. |
| US11569765B2 |
Power tool receiving different capacity battery packs
A system is provided with a set of removable battery packs and a set of power tools each including a motor, a controller, and a battery receiving portion. For each power tool, the controller is configured to identify a type of battery pack coupled to the battery receiving portion and limit a maximum amount of electric current drawn from the battery pack by the motor based on the identified type of the battery pack. The greater a ratio of an impedance of the motor to an impedance of the battery pack, the less the controller limits the maximum amount of electric current drawn from the battery pack such that for a given battery pack of the set of removable battery packs, the lower the impedance of the motor, the more current the motor draws from the given battery pack. |
| US11569764B2 |
Configuration of a battery of a vehicle having a plurality of drive units
A method for configuring a battery for operation of at least two N-phase electric machines, in which a battery includes a plurality of energy modules, and the energy modules each have at least one energy cell and at least two power switches. A respective N-phase electric machine is assigned a respective group of the plurality of energy modules, and the assignment is carried out in accordance with an estimation of a respective energy consumption of the respective N-phase electric machines on the basis of a respective load of the respective N-phase electric machines which load is to be assumed. |
| US11569763B2 |
System and method for addressing failure-to-start condition in electric motor with internal magnets
A system and method for identifying and responding to a condition in which an electric motor fails to start. A rotor core includes slots in which magnets are received to produce an electrical reluctance. A motor controller determines a position of the rotor, uses the determined position to convert a torque demand to a demanded D-axis current value, and compares the demanded value to a supplied D-axis current value. If the demanded value differs from the supplied value by at least a pre-established threshold amount, then the motor is restarted. Otherwise, the difference between the torque demand and an actual current is used to drive a voltage applied to the motor. The controller may also implement a sensorless technology, and may restart the motor if the demanded value differs from the supplied value by at least the threshold amount even if the sensorless technology determines that the motor started. |
| US11569762B2 |
Motor tracking error reduction method and implementation device based on micro-drive unit
The present disclosure relates to the technical field of mechanical precision manufacturing, in particular to a motor tracking error reduction method and an implementation device based on a micro-drive unit. A motor tracking error reduction method based on micro-drive unit includes: providing a motor mover as the working output end, and feeding back the position information of the motor mover to the micro-drive controller in real time by the sensor; controlling the micro-drive unit to compensate the displacement of the motor mover by the micro-drive controller; correcting the tracking error of the motor mover after the displacement compensation, and feeding back the tracking error information after correction to the motor controller. The error reduction method and implementation device in the present disclosure reduce the motor tracking error and solve the problem of coupling interference. In addition, the single position feedback is used to reduce the production cost. |
| US11569758B2 |
Control system with delayed protection for a three-level inverter
A microcontroller unit for controlling a three-level inverter including delayed fault protection is provided. The microcontroller unit includes an input port configured to receive a trip signal from a fault detection module, and a plurality of EPWM modules, each configured to control a power switch within the three-level inverter. The microcontroller unit includes an auxiliary EPWM module configured to receive the trip signal and produce a delayed trip signal, and processing circuitry coupled with the input port, the plurality of EPWM modules, and the auxiliary EPWM module. The processing circuitry is configured to, in response to activation of the trip signal, direct one of the plurality of EPWM modules to shut off its corresponding power switch upon activation of the trip signal, and to direct a different one of the plurality of EPWM modules to shut off its corresponding power switch upon activation of the delayed trip signal. |
| US11569752B2 |
Arrangement for equalizing voltage drops in a power supply mains and method for equalizing voltage drops in a power supply mains
An embodiment relates to an arrangement for equalizing voltage drops in a power supply mains having a first mains supply and a second mains supply. The arrangement includes at least one first converter system and one second converter system, to which intermediate circuits are coupled and which form a mains coupling as a result. The first mains supply is connected to a distributor via a decoupling inductor, a voltage measurement and a first switch. The second mains supply is connected to the distributor via a second switch, and wherein the mains coupling is arranged parallel to the second switch. |
| US11569751B1 |
Systems and methods for combining power sources in datacenters
A device for providing power to a server rack includes a first AC input port, a second AC input port, a first relay, a second relay, and an output port. The output port is electrically connected to both the first AC input port and second AC input port. The first relay is electrically between the first AC input port and the output port, and the second relay is electrically between the second AC input port and the output port. The first relay and second relay are configured to compare a first phase of a first voltage from the first AC input port to a second phase of a second voltage from the second AC input. |
| US11569748B2 |
Interpolation control for balancing currents in interleaved power converters
An interleaved power converter includes a control circuit and multiple phase-shifted subconverters each having at least one power switch. The control circuit is coupled to the subconverters for controlling the power switches to balance currents in the subconverters over multiple periods. The control circuit includes a current compensator configured to determine a first duty cycle multiple times over the multiple periods, generate a PWM control signal having a present value of the first duty cycle for controlling the power switch of one of the subconverters during a period, determine a second duty cycle based on the present value of the first duty cycle and a previous value of the first duty cycle, and generate another PWM control signal having the second duty cycle for controlling the power switch of another one of the subconverters during the period. Other example power converters and control circuits are also disclosed. |
| US11569746B2 |
DC coupled electrical converter
Various embodiments include a DC coupled electrical converter for converting an input voltage applied to first connections to an output voltage comprising: a boost converter connected on the input side to the first connections; an inverting buck-boost converter connected on the input side to the first connections; and a series circuit including two capacitors, the series circuit connected to an output-side positive pole of the boost converter and to an output-side negative pole of the inverting buck-boost converter. An output-side negative pole of the boost converter and an output-side positive pole of the inverting buck-boost converter are connected to a center connection between the capacitors. |
| US11569741B2 |
Compensation in a voltage mode switch-mode converter
In some examples, a circuit comprises a first field effect transistor (FET) having a first gate adapted to couple to a reference voltage source, a first source coupled to a first current source, and a first drain coupled to a second current source. The circuit comprises a second FET having a second gate coupled to the first drain, a second drain coupled to the first current source, and a second source coupled to a first resistor. The circuit comprises a third FET having a third gate adapted to couple to a feedback loop of a voltage converter, a third source coupled to a third current source, and a third drain coupled to a fourth current source. The circuit comprises a fourth FET having a fourth gate coupled to the third drain, a fourth drain coupled to the third current source, and a fourth source coupled to a second resistor. |
| US11569740B2 |
Boost converter with fast transient response
A boost converter includes an inductor and a diode electrically connected in series between an input voltage and an output voltage; a transistor electrically coupled to an interconnected node of the inductor and the diode; and a controller that controls switching of the transistor according to a transient mode and an estimated load current. The output voltage in a light-to-heavy load transient mode has at least one first valley point with a value of a transient voltage threshold, followed by at least one second valley point with a value higher than the first valley point, before exiting the light-to-heavy load transient mode. |
| US11569739B2 |
Three-port converter with wide input range and control method thereof
A three-port converter with a wide input range and a control method thereof are provided, which relates to a technical field of power electronic converters. The converter is provided with three ports of a photovoltaic cell PV, a storage battery Bat and a resistance load R, and includes a boost circuit (Boost) and a reversible boost-buck circuit (Sepic-Zeta). The boost circuit is configured to connect the photovoltaic cell PV and the load R; and the reversible boost-buck circuit is configured to connect the photovoltaic cell PV, the storage battery Bat, the storage battery Bat and the load R. The three-port converter of the present disclosure has advantages of a small size, a wide input range, a high integration level, high stability, high conversion efficiency, etc. |
| US11569736B2 |
Self-adjusting DC/DC converter soft-start mechanism
A soft-start circuit includes an error amplifier, a reference voltage ramp circuit, and a minimum current clamp circuit. The error amplifier is configured to generate a difference voltage representing a difference of a feedback voltage and a reference voltage ramp. The reference voltage ramp circuit is configured to generate the reference voltage ramp. The minimum current clamp circuit is configured to clamp an output of the error amplifier to a predetermined minimum voltage. |
| US11569735B2 |
Power supply system and power supply device
A power supply system includes at least two power supply devices that supply a current to a load. Each of the at least two power supply devices includes a converter configured to generate a current that is to be supplied to the load, an FET that is connected in series between the converter and the load, a gate voltage monitoring circuit configured to monitor whether a gate voltage of the FET has fallen below a predetermined first reference voltage, and an alarm generation circuit configured to generate an alarm according to a result of monitoring by the gate voltage monitoring circuit. |
| US11569734B2 |
Power converter with over temperature protection compensation
A power converter with over temperature protection compensation includes a main conversion unit, a primary-side control unit, a secondary-side control unit, a secondary detection circuit, and an over temperature adjustment circuit. The secondary-side control unit obtains a secondary voltage change value through the secondary detection circuit, and the secondary-side control unit correspondingly provides a current change value to the over temperature adjustment circuit according to the secondary voltage change value. The over temperature adjustment circuit provides a temperature control voltage according to the current change value so that the secondary-side control unit determines whether an over temperature protection is activated according to the temperature control voltage. |
| US11569728B1 |
Error detection for power converter
A circuit for controlling a switch of a power converter includes a first clock signal generator configured to generate a first clock signal and a switching signal generator configured to generate a switching signal to control the switch of the power converter based on the first clock signal. The circuit further includes error detection circuitry configured to output an error indication and a second clock signal generator configured to generate, in response to the error indication, a second clock signal that comprises an edge of a clock cycle of the second clock signal that corresponds to when the switching signal deactivates the switch of the power converter plus a time delay. The switching signal generator is configured to generate the switching signal to control the switch of the power converter further based on the second clock signal in response to the error indication being output by the error detection circuitry. |
| US11569727B2 |
Drive circuit and power conversion device
A current path to a gate is cut off by a normally-off first switch element until start-up of a gate drive voltage generator is sensed. Furthermore, a semiconductor switching element is maintained in an off state as a normally-on second switch element short-circuits the gate to a source. As start-up of the gate drive voltage generator is sensed, the second switch element is turned off and the first switch element is turned on. As the gate is thus driven by an output from a signal amplifier in accordance with a control signal, the semiconductor switching element is turned on and off in accordance with the control signal. |
| US11569722B2 |
Sound vibration actuator
A sound vibration actuator includes: a casing having an internal space formed by an underside casing part, a side periphery casing part, and a top casing part; a coil part coupled to the top casing part in such a manner as to receive power from the outside; a magnet part disposed in the internal space of the casing and having a magnet and a weight; an elastic member whose one surface coupled to the magnet part; and a weight part coupled to the coil part. The sound vibration actuator can be varied in coupling ways of the components thereof to generate vibrations in a high frequency band as well as a low frequency band. |
| US11569719B2 |
Direct drive electric motor having stator and magnet configurations for improved torque capability
An electric motor for an appliance includes a rotor coupled with a drive shaft. The rotor includes a plurality of rotor magnets that each define a magnet assembly including a plurality of magnet portions having different magnet pole orientations. A stator is in electromagnetic communication with the rotor. A gap is defined between the stator and the rotor. The stator comprises a stator core. A plurality of stator poles define the gap. Stator magnets are positioned within the stator core and are located to partially define the gap. Each stator magnet defines a pair of flux paths that extend around an outer perimeter of the stator magnet and onto the gap. The different magnet pole orientations of the plurality of rotor magnets operate to direct an effective magnetic flux toward the gap. |
| US11569708B2 |
Rotary electric machine and wheel steering system of vehicle
Provided is a rotary electric machine including a stator including a plurality of stator pieces, a rotor being arranged inside the stator and rotating about a rotation axis, a housing holding the stator and the rotor, a lid member preventing the stator and the rotor from coming out of the housing, and a cylindrical frame forming the stator by containing the plurality of stator pieces and being internally mounted in the housing, in which a first fixing portion and a second fixing portion for fixing the frame to the housing are disposed at both end portions of the frame along an extending direction of the rotation axis. |
| US11569707B2 |
Apparatus and method for cooling an electrical machine
An enclosure for an electric machine includes a housing defining an axial bore having an opening at a first end of the bore. The housing comprises a first wall having a first inboard surface partially defining the bore, and a first outboard surface spaced from the first inboard surface, the first wall defining a first coolant channel disposed between the first inboard and first outboard surface. An end cap is fastenable to the housing to cover the opening. |
| US11569705B2 |
Rotary electric machine and manufacturing method of rotary electric machine
An object of the present invention is to hold a holding member appropriately in a casing.A rotary electric machine includes a rotor having a drive shaft, a stator provided on an outer periphery of the rotor, a bearing B2 that rotatably supports the drive shaft, a holding member that contains an aluminum alloy member and holds the bearing, and a casing that houses the rotor, the stator, the bearing, and the holding member. The casing is made of a member that does not grow permanently or an aluminum alloy member that is permanently grown when the holding member is fixed to the casing. The holding member is in a state before permanent growth before being fixed in the casing, and the holding member grows permanently to be fixed more firmly to the casing. |
| US11569702B2 |
On-vehicle brushless motor device and method of manufacturing the same
To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same. The on-vehicle brushless motor device 1 includes a brushless motor 10 and an electronic substrate 30. The brushless motor 10 includes a rotor 12 and a stator 16 including a plurality of coils 18 arranged around the rotor 12. The electronic substrate 30 includes a through hole 34 penetrating in the axial direction X of the rotor 12 and includes a substrate body 32 arranged along a plane P intersecting the axial direction X on the side opposite to the output shaft of the brushless motor 10, and a terminal 40 fixed on the surface of the substrate body 32 on the side opposite to the rotor 12. A coil wire 20 of the coil 18 is inserted into the through hole 34 and is welded to the terminal 40 on the opposite side of the rotor 12 with respect to the substrate body 32. |
| US11569697B2 |
Rotary electric machine
An annular stator core in which, out of slots arrayed in a circumferential direction and extending in a radial direction, q slots are formed per pole and per phase; and stator windings, for respective phases, attached to the stator core. For each stator winding, q*n unit coils obtained by winding wire conductors at regular intervals into concentric winding forms are used to obtain n coils in each of which the q unit coils wound in a same direction are connected so as to be shifted from each other in the circumferential direction, and the stator winding is composed of two coil groups each obtained by joining the n/2 coils together. The two coil groups are connected in parallel to each other between power feed portions and neutral points, and two coils that are connected to the power feed portions are disposed so as to share the slot. |
| US11569696B2 |
Control method of a minimum power input
A control method of a minimum power input applicable to a wireless power transfer system including a power transmission unit and at least one power receiving unit is provided. The power transmission unit is electrically connected with a control voltage signal and an input voltage signal and accordingly generates the minimum power input. The power transmission unit transmits the minimum power input wirelessly through a wireless transmission to the at least one power receiving unit for receiving. By adjusting the input voltage signal, the duty ratio and resonant frequency of the control voltage signal, the present invention ensures an optimal power transmission efficiency of the wireless power transmission system. Moreover, parameters of a charge pump reservoir and gate driving circuit can be further designed in view of the trend feedback of its gate drive waveforms so as to optimize the effect of the proposed invention. |
| US11569695B2 |
Wireless power transfer and communications
A device operative to transfer power and communicate wirelessly includes a drive-sense circuit (DSC), memory that stores operational instructions, and processing module(s). The DSC generates a drive signal based on a reference signal and provides the drive signal to a first coil via a single line and via a resonating capacitor, and simultaneously senses the drive signal via the single line, to facilitate electromagnetic coupling to a second coil to transfer power wirelessly to another device. The DSC also detects electrical characteristic(s) of the drive signal including whether a communication signal is transmitted from another device and generates a digital signal representative thereof. The processing module(s) generates the reference signal, processes the digital signal including to determine whether the communication signal is transmitted from the other device to the device and appropriately processes the digital signal to interpret control information of the communication signal to adapt the reference signal. |
| US11569691B2 |
Electronic apparatus and method
According to one embodiment, an electronic apparatus includes a power transmitter and control circuitry. The power transmitter is configured to transmit power by using electromagnetic waves. The control circuitry is configured to transmit a first request including information on the electronic apparatus to a first server before power transmission, and start power transmission by the power transmitter if a first response from the first server relating to the first request is received. |
| US11569689B2 |
Power receiving device, power transmitting device, and underwater power supply system
A power receiving device is disposed underwater. The power receiving device includes a housing formed of a weak magnetic material, a ferromagnetic body that surrounds an outer side of the housing and is formed of a ferromagnetic material, and a power receiving coil wound around an outer side of the ferromagnetic body. |
| US11569687B2 |
Decoder for wireless charging transmitter and wireless charging transmitter using the same
A decoder for a wireless charging transmitter and a wireless charging transmitter using the same are provided in the present invention. In order to adapt the wide range of the received signal from the wireless charging receiver, which usually results in the error of the decode, the feedback circuit of the wireless charging transmitter is changed, so that the signal in a certain swing is amplified by an original gain, and the signal out of the certain swing is amplified by a limited gain. Therefore, the amplified signal is able to show the characteristic of the original received signal. Thus, the accuracy of decoding is increased. |
| US11569685B2 |
System and method for inductive charging of portable devices
An electronic device having an inductive power transfer system to transfer power to a portable device is disclosed. The electronic device includes a first inductive coil for power transfer using an alternating magnetic field. The electronic device further includes a permanent magnet structure for creating a separable magnetic attachment between the electronic device and the portable device having a second inductive coil for inductive power transfer. The permanent magnet structure is positioned around an outer perimeter of the first inductive coil to align the first inductive coil with the second inductive coil in the portable device for inductive power transfer. The permanent magnet structure includes one or more discontinuous arc-shaped permanent magnets assembled to form a full or partial ring shape that includes a gap to impede eddy current generation in the permanent magnet structure by the alternating magnetic field during inductive power transfer. |
| US11569682B2 |
System and method for a fast power network simulator
Systems, methods, and non-transitory computer-readable storage media for a fast power network simulator. A system configured per this disclosure can use identify a power network, the power network comprising generators, transmission lines, and loads, and receive a model of the power network. The model of the power network can include: models of the generators modeled as differential equations, and models of the transmission lines and the loads modeled as algebraic equations. The system can convert, via a processor, the algebraic equations of the models of the transmission lines and the loads to additional differential equations, then combine, via the processor, the differential equations and the additional differential equations, to yield combined differential equations. The system can then iteratively solve linear equations, via the processor, associated with the combined differential equations, to yield solutions, and output the solutions as part of a power simulation of the power network. |
| US11569680B2 |
Electronic device and power management method
An electronic device includes a backup power supply unit, a first power management unit, a switch, a voltage detection unit, a processor and an electronic module. The first power management unit is coupled to the backup power supply unit and an external power supply unit. The switch is coupled to the first power management unit. The voltage detection unit is coupled to the external power supply unit and the switch. The processor is coupled to the voltage detection unit. The electronic module is coupled to the switch and the processor. When a voltage level of the external power supply unit is lower than a first predetermined level, the voltage detection unit outputs a detection signal. The switch is controlled by the detection signal to open to stop supplying power to the electronic module. The processor is controlled by the detection signal to execute a shutdown process. |
| US11569679B2 |
Intelligent energy harvesting device, voltage signal application system and energy management module thereof
An intelligent energy harvesting device, a voltage signal application system, and an energy management module thereof are disclosed. The intelligent energy harvesting device is used to transfer a signal to an application device. The intelligent energy harvesting device includes a power generation module, a battery and an energy management module. The power generation module generates a first voltage signal. The battery generates a second voltage signal. The energy management module is electrically connected to the power generation module and the battery for enabling the first voltage signal output from the power generation module to be used as a power signal to provide the application device, or enabling the first voltage signal output from the power generation module and the second voltage signal output from the battery collectively serves as the power signal to provide the application device. |
| US11569678B2 |
System for estimating initial SOC of lithium battery of vehicle and control method thereof
A vehicle includes a vehicle battery; a vehicle sensor configured to detect a current, a voltage and a temperature of the vehicle battery; and an alternator configured to output a target voltage to the vehicle battery. A controller is configured to calculate state of charge (SOC) estimation based on the current, voltage and temperature of the vehicle battery, calculate an initial SOC based on a direct current internal resistance (DCIR) map and apply the initial SOC to the SOC estimation, when an open circuit voltage (OCV) is maintained in a predetermined range after engine-off, and adjust an available SOC range based on a difference between an actual battery charge current amount, to which the initial SOC is applied, and the calculated SOC estimation. |
| US11569677B2 |
Charging system
A charging system has: a number of connections for connecting at least one electric energy store to be charged; a number n of at least three inverter bridges, each of which has a center tap; a number n of electric filters, wherein the input of each filter of the number n of filters is electrically connected to a respective corresponding center tap of an inverter bridge of the number of inverter bridges; a controllable assigning unit which is inserted between a respective output of a filter of the number n of filters and the number of connections and which is designed to electrically assign the output of each filter of the number n of filters to a respective corresponding connection of the number of connections depending on at least one actuation signal; and a control unit which is designed to generate the at least one actuation signal depending on a desired charge mode of the charging system. |
| US11569676B2 |
Charger with nanocrystalline ferrite choke
A battery pack charging system includes a battery pack interface configured to receive a battery pack, a charging circuit coupled to the battery pack interface to provide charging current to the battery pack interface, and a controller coupled to the charging circuit and configured to control supply of charge current to the battery interface. The battery pack charging system further includes a power supply circuit coupled to the charging circuit, a filter circuit coupled to the power supply circuit and including a nanocrystalline ferrite common mode choke, and an alternating current plug configured to connect the filter circuit to an alternating current power source. |
| US11569675B2 |
Charging device, terminal, and method for controlling charging
A charging device, a terminal, and a method for controlling charging are provided. The charging device includes a wireless receiving circuit, a charging interface, a charging management module, and a control module. The wireless receiving circuit is configured to convert a wireless charging signal received into charging electrical energy. The charging interface is configured to receive charging electrical energy supplied by an external power supply device. The charging management module is configured to adjust a voltage and/or current in the charging electrical energy output from the wireless receiving circuit or the charging interface. The control module is configured to control a first charging channel where the wireless receiving circuit and the charging management module are disposed to be switched on, and/or control a second charging channel where the charging interface and the charging management module are disposed to be switched on. |
| US11569671B2 |
Power bank with automatic detection for charging capability
A power bank with automatic detection for charging capability includes a battery unit, a control unit connected to the battery unit, an input unit, at least one output unit, a starting unit and a detecting unit. The input unit is connected to the control unit. The input unit is used for being connected with an external power source. The at least one output unit is connected to the control unit. The starting unit is connected to the control unit and the at least one output unit. The starting unit is in a grounded state to form a current loop. The detecting unit is connected to the control unit and the at least one output unit. The detecting unit is used for sensing whether a signal is transmitted from the at least one output unit. |
| US11569667B2 |
Power managers and methods for operating power managers
Various aspects of invention provide portable power manager operating methods. One aspect of the invention provides a method for operating a power manager having a plurality of device ports for connecting with external power devices and a power bus for connecting with each device port. The method includes: disconnecting each device port from the power bus when no external power device is connected to the device port; accessing information from newly connected external power devices; determining if the newly connected external power devices can be connected to the power bus without power conversion; if not, determining if the newly connected external power devices can be connected to the power bus over an available power converter; and if so, configuring the available power converter for suitable power conversion. |
| US11569664B2 |
Method for connecting a power transformer to an electrical grid
A method for connecting a power transformer, located between an inverter of a wind turbine and an electrical grid, to the electrical grid; the method comprises the steps gradually increasing a voltage at a primary side of the transformer from a low starting voltage to a target voltage equal or close to a nominal voltage of the transformer, by means of the inverter of the wind turbine or by means of an auxiliary inverter, thereby increasing the voltage at a secondary side of the transformer, wherein the gradually increasing of the voltage uses energy of an internal energy storage device, connecting the secondary side of the transformer to the electrical grid after predefined target conditions have been reached. |
| US11569661B2 |
Masterless distributed dynamic load management
A method of providing power via a plurality of power control systems forming a power network is provided. Each power control system includes a power controller and a power switch operable by the power controller. The method includes defining, by each power controller of the power network, a power allocation schedule for a power cycle using a dynamic load scheduling model based on a members list of the power network. The power cycle is divided into a plurality of power units, and the power allocation schedule identifies one or more designated power control systems from among the plurality of power control systems to provide power to a load during each of the power units. For the power cycle, the method includes providing power to the load by the one or more designated power control systems during a respective power unit based on the power allocation schedule. |
| US11569660B2 |
Distributed power harvesting systems using DC power sources
A system and method for combining power from DC power sources. Each power source is coupled to a converter. Each converter converts input power to output power by monitoring and maintaining the input power at a maximum power point. Substantially all input power is converted to the output power, and the controlling is performed by allowing output voltage of the converter to vary. The converters are coupled in series. An inverter is connected in parallel with the series connection of the converters and inverts a DC input to the inverter from the converters into an AC output. The inverter maintains the voltage at the inverter input at a desirable voltage by varying the amount of the series current drawn from the converters. The series current and the output power of the converters, determine the output voltage at each converter. |
| US11569658B2 |
High voltage clamps with transient activation and activation release control
High voltage clamps with transient activation and activation release control are provided herein. In certain configurations, an integrated circuit (IC) includes a clamp electrically connected between a first node and a second node and having a control input. The IC further includes a first resistor-capacitor (RC) circuit that activates a detection signal in response to detecting a transient overstress event between the first node and the second node, an active feedback circuit that provides feedback from the first node to the control input of the clamp in response to activation of the detection signal, a second RC circuit that activates a shutdown signal after detecting passage of the transient overstress event based on low pass filtering a voltage difference between the first node and the second node, and a clamp shutdown circuit that turns off the clamp via the control input in response to activation of the shutdown signal. |
| US11569652B2 |
Loop restoration switching device assembly including multiple switches with common control
A switch assembly that is part of a transformer in an underground residential power distribution circuit and that provides fault isolation and restoration. The switch assembly includes first and second switching devices each having an outer housing, a transformer interface electrically coupled to the transformer, a connector interface electrically coupled to a first connector and a first vacuum interrupter having a fixed contact and a movable contact, where the fixed contact is electrically coupled to the connector interface and the movable contact is electrically coupled to the transformer interface. A control board controls the first and second switching devices, where the control board is responsive to voltage signals from capacitors in the first and second switching devices. |
| US11569649B2 |
Signal sampling circuit for arc detection
A signal sampling circuit for arc detection includes plural current sensors, plural high pass filter circuits, and an adder circuit. Each of the current sensors is configured to sense a measured current and then generate a sensed voltage signal. One of the high pass filter circuits receives the sensed voltage signal from one of the current sensors and performs high-pass filtering on the sensed voltage signal. The adder circuit performs scaling up, adding, and DC offset on the high-pass filtered sensed voltage signals. Each of the high pass filter circuits is composed of a filter capacitor and a first resistor connected in series with the filter capacitor. The adder circuit is composed of the first resistors, a first operational amplifier, and a second resistor. |
| US11569646B2 |
Locking cable hanger and method of using
A cable hanger for the solar, mining, and electrical industry for use in supporting a plurality of conductive cables from a messenger wire. |
| US11569644B2 |
Electrical box installation tool
A template for use in installing electrical boxes. The template may be used to install electrical boxes in both new and old work. An elongated member is configured to grip and frictionally engage a wall stud with a pair of stud gripping components. A plurality of spacers may be inserted between the elongated member and the wall stud to set the installation depth based on the thickness of the drywall to be installed. A pair of electrical cutouts are positioned along the elongated member at a desired height to locate a height of the electrical boxes. A second pair of cutouts are positioned along the elongated member at a second desired height to locate a second height of the electrical boxes. In an additional embodiment, the template is a mat with an electrical box cutout for locating the installation position for the electrical boxes on a finished wall. |
| US11569643B2 |
Adjustable cable support structure
An adjustable cable support member includes a first track defining first and second channels extending in a longitudinal direction thereof, and a second track at least partially slideably received within the first and second channels of the first track in the longitudinal direction for enabling adjustment of the overall length of the cable support member. The first track and the second track define a cable receiving space extending continuously in the longitudinal direction over the length of the cable support member. |
| US11569635B2 |
Radiation-emitting semiconductor component
A radiation-emitting semiconductor component is disclosed. In an embodiment, a component includes a semiconductor layer sequence and a carrier on which the semiconductor layer sequence is arranged, wherein the semiconductor layer sequence comprises an active region configured for generating radiation, an n-conducting mirror region and a p-conducting mirror region, wherein the active region is arranged between the n-conducting mirror region and the p-conducting mirror region, and wherein the p-conducting mirror region is arranged closer to the carrier than the active region. |
| US11569634B2 |
Light emitting device
A light emitting device includes: a base having a first stepped portion and a second stepped portion; a light emitting element; an electronic member configured to be irradiated by light emitted from the light emitting element; a first wiring region located on the first stepped portion; a second wiring region located on the second stepped portion; wires connected to the light emitting element and the electronic member. The wires includes a first and second wires. The first wire has a first end that is connected to the first wiring region, and a second end. The second wire has a first end that is connected to the second wiring region, and a second end. A position of the second end of the first wire relative to the bottom face is lower than a position of the second end of the second wire relative to the bottom face. |
| US11569629B2 |
Thermal rotary link
An example apparatus may include a first plate having a first side. A first plurality of fins may be integral with the first side of the first plate and protruding perpendicularly therefrom. The first plurality of fins may be arranged in first concentric circles separated radially by a first distance. The apparatus may also include a second plate having a first side. The second plate may be rotatably coupled to the first plate. A second plurality of fins may be integral with the first side of the second plate and protruding perpendicularly therefrom. The second plurality of fins may be arranged in second concentric circles separated radially by the first distance. Each fin of the second plurality of fins may interpose between adjacent fins of the first plurality of fins to transfer heat between the second plate and the first plate. |
| US11569625B2 |
System for transferring power between a rotating element and a fixed element
A system for transferring current between a rotating element and a fixed element, comprising—a support in the general shape of a sheet (10) comprising a conductive portion (11) electrically connected to the fixed element, —a brush holder (20) mounted on the support (10) and supporting a brush (30) that is pushed into contact against the rotating element, —electrical connection means (42) for connecting the conductive portion (11) of the support to a cable (40) that is joined to the brush (30), wherein a resistive element (12) is situated between the brush (30) and the conductive portion (11) of the support (10) and prevents current from flowing directly between the conductive portion and the brush. |
| US11569620B2 |
Electrical connector and connector device
An electrical connector is attached to a wiring substrate and mated with a counterpart connector connected to a signal transmission medium. A shell of the electrical connector has a pair of wall parts that contact a ground member on the counterpart connector. One wall part distant from the signal transmission medium includes a first side plate that has one end attached to a ground conductive path of the wiring substrate and extends in a direction away from the wiring substrate, a joining part that has one end joined to another end of the first side plate, and a second side plate that has one end joined to another end of the joining part and extends in a direction closer to the wiring substrate. The second side plate has a contact piece that extends in a direction away from the wiring substrate and elastically contacts the ground member. |
| US11569613B2 |
Electrical connector having symmetrical docking holes
An electrical connector may include an insulating body and a housing. The housing may include walls defining an assembly space and surrounding external surfaces of the insulating body. The walls of the housing may include front and rear walls facing front and rear external surfaces of the insulating body, respectively. Portions of the front and rear walls of the housing may be spaced apart respectively from the front and rear external surfaces of the insulating body to form first and second docking slots in the assembly space. The front wall of the housing may include front docking holes in communication with the first docking slot, and the rear wall of the housing may include rear docking holes in communication with the second docking slot. The sizes and positions of the docking slots and the docking holes may be configured to enable a mating connector to be connected reversibly or irreversibly. |
| US11569609B2 |
Cable clamp and charging connector
A cable clamp has first and second metal plate members, each with two fixed portions, front and rear plate portions, and a clamp portion. The fixed portions are separated from each other in a first direction perpendicular to a front-rear direction. The front plate portion couples the fixed portions to each other. The rear plate portion is rearward of and apart from the front plate portion and couples the fixed portions to each other. The clamp portion is on the front or rear plate portions or both. When clamped, in a second direction perpendicular to the front-rear and first directions, the first member fixed portions are fixed to the second member fixed portions, respectively, the cable, in the second direction, is between the first and second member front plate portions and between the first and second member rear plate portions, and the clamp portion is pressed against the cable. |
| US11569607B2 |
Power coupler, ultrasonic oscillator device, ultrasonic oscillator, mounting assembly, cover body assembly, cooking utensil and heating apparatus
A power coupler includes an input end assembly and an output end assembly separably coupled to the input end assembly. The input end assembly includes an input end base including a slot, a sealing cover arranged at the input end base, an input conductive member arranged at the input end base and connected to an external power supply, and a self-locking structure. The sealing cover is movable between a closing position to cover a slot port of the slot and an opening position to at least partially open the slot port. The self-locking structure is switchable between a locked state to limit the sealing cover from moving towards the opening position and an unlocked state to not limit the sealing cover. The output end assembly includes an output conductive member configured to extend into the slot and be connected to the input conductive member. |
| US11569604B2 |
Connector
A connector is provided with a terminal member including a conductive terminal body in the form of a wide flat plate and a terminal protecting portion mounted on the terminal body, and a housing provided separately from the terminal member and including a terminal holding portion for holding the terminal member. The terminal protecting portion includes a pair of side edge covering portions for partially covering parts of both side surfaces in a front-back direction of the terminal body. The terminal holding portion is provided with a terminal insertion recess through which the terminal member is to be fit. The side edge covering portions are so fit in the terminal insertion recess as to be able to contact the terminal holding portion with the terminal member fit in the terminal insertion recess and assembled with the terminal holding portion. |
| US11569602B2 |
Flexible input output mounting for solder joint stress reduction
A system and flexible mounting structure for solder joint stress reduction are disclosed that provide flexibility on a printed circuit board that includes an input output (I/O) connector when wrenching or torque forces are applied. A bracket supporting the connector is mounted on one side of the PCB, and a hinge saddle structure is mounted on the other side of the PCB. A bottom structure is connected to the hinge saddle structure by screw bosses. The bottom structure and the hinge saddle structure are connected to a chassis of an information handling system. An area of the PCB as defined by the bracket is provided flexibility when forces are applied. |
| US11569599B2 |
Connector and socket used for the same
A socket of a connector includes a socket housing, a socket terminal element, and an outer shield element. The socket housing includes a bottom plate, and first and second side wall portions facing each other and provided on an upper surface of the bottom plate. The outer shield element includes a main body portion disposed on an outer surface of the first side wall portion, a contact portion extending from the main body portion to the inner surface of the first side wall portion, and an outer shield terminal portion extending from the main body portion toward the bottom plate. The contact portion is configured to be electrically connected to an outside of the socket housing. The outer shield terminal is electrically connected to the contact portion via the main body portion. This connector suppresses generation of unnecessary radiation and noise, and also suppresses interference between high-frequency signals. |
| US11569597B2 |
Device for inserting flexible printed circuit board
A device for inserting a flexible printed circuit board into a connector of a display panel includes: a suction unit configured to adhere to the flexible printed circuit board; a position restriction unit configured to restrict a position of the flexible printed circuit board; and a flexible printed circuit board transfer unit coupled to the suction unit and the position restriction unit, and configured to insert the flexible printed circuit board into the connector. A method of inserting a flexible printed circuit board into a connector of a display panel is also disclosed. |
| US11569588B2 |
Antenna assembly having a monopole antenna and a circularly polarized antenna
An antenna assembly includes a column substrate having a plurality of sides. The column substrate defines a cavity extending from a first end of the column substrate to a second end of the column substrate. The antenna assembly includes a monopole antenna disposed within the cavity. The monopole antenna is configured to communicate over a first frequency band ranging from about 5000 Megahertz to about 5900 Megahertz. The antenna assembly includes a circularly polarized antenna. The circularly polarized antenna includes a plurality of isolated magnetic dipole elements. Each of the isolated magnetic dipole elements is coupled to a different side of the column substrate. The circularly polarized antenna is configured to communicate over a second frequency band and a third frequency band. The second frequency band ranges from about 1560 Megahertz to about 1620 Megahertz. The third frequency band ranges from about 2400 Megahertz to about 2500 Megahertz. |
| US11569585B2 |
Highly integrated pattern-variable multi-antenna array
A highly integrated pattern-variable multi-antenna array, including a ground conductor structure, a first antenna array, a second antenna array, and an array conjoined grounding structure, is provided. A first inverted L-shaped resonant structure has a first feeding point, and the others respectively have a first switch and are electrically connected or coupled to the ground conductor structure. A second inverted L-shaped resonant structure has a second feeding point, and the others respectively have a second switch and are electrically connected or coupled to the ground conductor structure. The first and second antenna arrays respectively generate first and second resonance modes. The second and first resonance modes cover at least one same first communication frequency band. The array conjoined grounding structure electrically connects an adjacent first inverted L-shaped resonant structure, one of the second inverted L-shaped resonant structures, and has an array conjoined capacitive structure electrically connecting the ground conductor structure. |
| US11569581B2 |
Transmission structure with dual-frequency antenna
A transmission structure with a dual-frequency antenna is provided. The transmission structure includes a substrate, a first radiator and a second radiator. The first radiator has a first electrical connection portion. The first radiator extends from the first electrical connection portion in a first direction and a second direction, wherein the first direction is opposite to the second direction. The second radiator has a second electrical connection portion adjacent to the first electrical connection portion. The second electrical connection portion has a first side and a second side, wherein the first side is closer to the first electrical connection portion than the second side, the second electrical connection portion forms a ground area between the first side and the second side, and the length of the ground area is greater than a first set value. |
| US11569579B2 |
Wireless data transmission using polarised electromagnetic radiation
A wireless data transmission apparatus is disclosed, comprising one or more antennas for transmitting data as polarised electromagnetic radiation, and polarisation control means for controlling an axial ratio and a tilt angle of the polarised electromagnetic radiation such that the axial ratio and tilt angle conveys information about the data being transmitted. A corresponding wireless data receiving apparatus is also disclosed. In some embodiments, the one or more antennas comprises a patch antenna, and the polarisation means may comprise a mechanism for varying an electrical length of the angled slot. By utilising the tilt angle and axial ratio of polarised electromagnetic radiation to convey information to the receiver, the spectral efficiency of the system can be increased. A further increase in spectral efficiency may be obtained by using the polarisation control means to modulate first and second carrier waves, and transmitting different data on the first and second carrier waves. |
| US11569578B2 |
Patch antenna device
A patch antenna device configured to receive a radio communication signal includes a circuit board, a patch antenna, and a parasitic element. The circuit board has a signal processing circuit placed thereon. The patch antenna is stacked on the circuit board and has a quadrangular radiation element. The parasitic element is disposed above the patch antenna so as to improve antenna gain characteristics of the patch antenna and configured such that the length of the upper side of the parasitic element is shorter than the width in a plan view of the radiation element of the patch antenna and that the length between the upper and lower sides of the parasitic element is longer than the length between the upper and lower sides of the radiation element of the patch antenna. |
| US11569569B2 |
Antenna unit for work vehicle and work vehicle
A GNSS antenna 26 and an inertial measurement unit 25 are placed at a longitudinal center of a unit base 55 mountable onto a work vehicle. A wireless communication unit 27 is placed at the longitudinal one end side of the unit base 55. A wireless communication antenna 28 of the wireless communication unit 27 is placed in a front part of the unit base 55, which is located on the front side of a vehicle body when the unit base 55 is mounted on the work vehicle. The GNSS antenna 26 is provided above the inertial measurement unit 25. |
| US11569568B2 |
Wearable antenna and intra-uterine monitoring system
A wearable antenna is described, for wirelessly receiving sensor data generated by an implantable sensor device implanted in a uterus, the wearable antenna, in use, extending around the waist of the wearer's body, and having a downwardly extending portion for location at the front of the wearer's body. In this way, an improved electromagnetic interaction between the wearable antenna and the implantable sensor can be achieved. Further, the wearable antenna may have an undulating shape around at least a portion of the wearer's waist, to permit expansion and contraction of the wearable antenna about the wearer's waist. |
| US11569561B2 |
Antenna having single non-conductive portion and electronic device including the same
An electronic device is provided. The electronic device includes a foldable housing including, a hinge structure, a first housing structure including a first surface, a second surface, and a first side member, wherein the first side member encloses at least a portion of a space between the first surface and the second surface and includes a first conductive portion, a first non-conductive portion, and a second conductive portion, and a second housing structure including a third surface, a fourth surface, and a second side member, a printed circuit board, at least one wireless communication circuit including a first electrical path and a second electrical path, a first variable element including a first terminal, a second terminal, and a third terminal, and a second variable element including a fourth terminal, a fifth terminal, and a sixth terminal. |
| US11569560B2 |
Vehicle/vessel/airplane with a rotatable antenna
A vehicle, vessel or airplane having an antenna and a motor rotating the antenna, a rotation encoder outputting information relating to the rotation and outputting the information to two controllers of which one controls the motor. The other controller receives the rotation information and information relating to a position/direction/axis in relation to the vehicle/vessel/airplane and outputting a second signal based thereon. The output of the second controller may be used for controlling the motor to have the antenna directed toward e.g. a satellite irrespective of the motion of the vehicle/airplane/vessel. |
| US11569559B2 |
Method for restoring a microwave link
A method (10) for restoring a microwave link is provided. The method (10) is performed by a network entity (7) and comprises receiving (11) information from a node (3) controlling a microwave antenna (5), the information indicating that an obstacle is at least partly obscuring the microwave antenna (5), and instructing (12), based on the received information, an unmanned aerial vehicle (6) adapted for maintenance work to fly to a given location for removing the obstacle on the microwave antenna (5). A method (40) in a network node (3), a method (70) in an unmanned aerial vehicle (6) and devices are also provided. |
| US11569556B2 |
Phase shifter comprising DGS and radio communication module comprising same
A phase shifter includes a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip. |
| US11569550B2 |
Electrode with integrated ceramic separator
An electrode including an integrated separator for use in an electrochemical device may include one or more active material layers, and a separator layer comprising inorganic particles. An interlocking region may couple the separator layer to an adjacent active material layer. In some examples, the interlocking region may include interlocking fingers formed by an interpenetration of active material particles of the active material layers with ceramic particles of the separator. |
| US11569548B2 |
Separator and lithium-sulfur battery comprising the same
A separator including a porous base and a coating layer on at least one surface of the porous base, the coating layer including (a) a carbon nanotube including an oxygen functional group and (b) a lithium ion conducting polymer, and a lithium-sulfur battery including the same. Such a separator may be capable of resolving problems caused by lithium polysulfide occurring in a lithium-sulfur battery. |
| US11569546B2 |
Energy storage module
An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of at least one of the battery cells; a top cover coupled to a top of the top plate and having an exhaust area corresponding to the duct, the exhaust area having a plurality of discharge openings, the top cover including a protrusion protruding from a bottom surface of the top cover, the protrusion extending around a periphery of the exhaust area and around a distal end of the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature. |
| US11569542B2 |
Battery assembly for a lighting fixture
A battery assembly for a lighting fixture is provided. The battery assembly includes a battery unit comprising a battery unit housing and a first set of conductive pins. The battery unit housing is configured to accommodate one or more batteries configured to power one or more light sources of the lighting fixture. The first set of conductive pins are in electrical communication with the batteries. The battery assembly includes a battery interface comprising a battery interface housing and a second set of conductive pins. The battery interface housing is configured to accommodate the battery unit housing. The second set of conductive pins are coupled to the light source(s) so that the batteries power the light source(s) when the first set of conductive pins contact the second set of conductive pins. In some implementations, the battery unit can be inserted into the battery interface while the lighting fixture is energized. |
| US11569541B2 |
Battery pack for a cordless power tool
A battery pack includes a battery cell holder, where the battery cell holder includes multiple frames with each of the frames defining a cavity and adjacent frames connected to each other. The battery pack includes at least one pouch battery cell disposed in the cavity of each of the frames, where pouch battery cells disposed in adjacent frames are electrically connected to each other. The multiple frames are arranged in a stacked configuration. |
| US11569535B1 |
Thermistor-based thermal run-away detection for battery packs
Systems and methods for identifying thermal run-away events in a battery pack can include using sensing circuits made up of series- or parallel-linked thermistors to measure subsets of the individual battery cells in a battery pack. Using multiple sensing circuits, a monitoring system can positively identify when a threshold temperature of any single battery cell has been reached even though individual temperatures are not monitored, and can generate a signal indicative of a thermal run-away event based on the detected temperature. |
| US11569526B2 |
High energy density all-solid-state battery and method for manufacturing the same
Disclosed are an all-solid-state battery having high energy density and a method for manufacturing the same. One battery structure is pressed instead of pressing each cell unit, an amount of first or second electrode current collectors consumed is reduced, and insulating members are used, thereby simplifying a manufacturing process of the all-solid-state battery and allowing the all-solid-state battery to have high energy density and a stable structure. |
| US11569522B2 |
Manufacturing method for fuel cell
A manufacturing method for a fuel cell includes the steps of: (a) preparing a stack and separators in a pair arranged in such a manner as to hold the stack therebetween; (b) forming a separator-bonded stack by bonding the separators in a pair and a sealing part to each other; and (c) warping a membrane electrode assembly with the bonded sealing part in a gap by reducing the temperature of the separator-bonded stack to cause thermal shrinkage of the separators in a pair, thereby moving the sealing part with the bonded separators in a pair inward. |
| US11569520B2 |
Heat treatment apparatus and method of membrane electrode assemblies
A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members. |
| US11569519B2 |
Membrane electrode assembly and fuel cell
A membrane electrode assembly includes an electrolyte membrane, and a pair of electrode layers which sandwich the electrolyte membrane. The pair of electrode layers include a pair of catalyst layers which sandwich the electrolyte membrane, and a pair of gas diffusion layers disposed on the pair of catalyst layers on opposite sides to the electrolyte membrane. At least one catalyst layer contains a fibrous electric conductor, catalyst particles, a particulate electric conductor, and a proton-conductive resin. The at least one catalyst layer has a first region at a distance of 200 nm or less from the fibrous electric conductor, and a second region at a distance of more than 200 nm from the fibrous electric conductor. Pores are present in the first and second regions. A mode diameter M1 of the pores in the first region and a mode diameter M2 of the pores in the second region satisfy M1 |
| US11569516B2 |
Fuel cell system
A fuel cell system includes a fuel cell stack, a fuel gas supply path, an injector, an ejector, a circulation path, an outlet port pressure detection unit, and a control device. The control device stops driving the injector when an ejector outlet port pressure is equal to or more than a required upper limit value with the injector driven, and drives the injector when the ejector outlet port pressure is equal to or less than a required lower limit value with the injector stopped. The control device reduces the required upper limit value stepwise and reduces the required lower limit value stepwise in a range defined by a first target upper limit value and a second target upper limit value when a required load is varied from a first required load to a second required load and a load reduction amount is more than a first predetermined load. |
| US11569510B2 |
Ternary positive electrode material with low gas generation and high capacity
This disclosure relates to the field of electrochemistry, and in particular, to a positive electrode material. The positive electrode material of this disclosure includes a substrate, with a formula of the substrate being LixNiyCozMkMepOrAm, where 0.95≤x≤1.05, 0.50≤y≤0.95, 0≤z≤0.2, 0≤k≤0.4, 0≤p≤0.05, 1≤r≤2, 0≤m≤2, m+r≤2; a coating layer is disposed on the subs hate, where the coating layer includes a coating element; and absorbance of nickel leachate per unit mass of the positive electrode material w≤0.7. |
| US11569507B2 |
Anode comprising cellulose-based compound for lithium secondary battery and lithium secondary battery comprising same
The present invention relates to an anode for lithium secondary battery and a lithium secondary battery comprising the same, the anode for lithium secondary battery comprising a current collector; and an anode active material layer which is formed on one surface of the current collector, and comprises an anode active material and a cellulose-based compound which has a weight-average molecular weight (Mw) of 500,000 g/mol to 700,000 g/mol and a substitution degree of 0.9 to 1.0, wherein the anode for lithium secondary battery has a loading level (L/L) of 13 mg/cm2 or greater. |
| US11569505B2 |
Cathode material, and preparation method and application thereof
A cathode material, containing a crystal with a superlattice structure, is provided. A chemical formula of the crystal is xLi2MO3.(1-x)LiNiaCobMn(1-a-b)O2, where 0 |
| US11569500B2 |
Porous silicon composite cluster structure, method of preparing the same, carbon composite using the same, and electrode, lithium battery, and device each including the same
A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula SiOx, wherein 0 |
| US11569494B2 |
Aqueous cathode slurry
A method of making a positive electrode includes forming a slurry of particles using an electrode formulation, a diluent, and oxalic acid, coating the slurry on a collector and drying the coating on the collector to form the positive electrode. The electrode formulation includes an electrode active material, a conductive carbon source, an organic polymeric binder, and a water soluble polymer. The diluent consists essentially of water. |
| US11569485B2 |
Flexible device
A display device includes a flexible substrate including a first surface and a second surface facing the first surface; a TFT array layer provided on the first surface; a display element layer provided on the TFT array layer; a first heat releasing layer provided on the second surface; a first protective layer provided on the same side as the second surface; a second heat releasing layer provided on the display element layer; and a second protective layer provided on the display element layer. The second heat releasing layer has a light transmittance of 90% or higher. |
| US11569481B2 |
OLED device having enhancement layer(s)
An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positioned no more than a threshold distance away from the organic emissive layer, wherein the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer, and the threshold distance is where the total non-radiative decay rate constant is equal to the total radiative decay rate constant; and an outcoupling layer disposed over the enhancement layer, wherein the outcoupling layer scatters radiative energy from the enhancement layer to free space. |
| US11569479B2 |
Multilayer encapsulation, method for encapsulating and optoelectronic component
A multilayer encapsulation, a method for encapsulating and an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes a first electrode layer, an organic light-emitting layer stack abutting the first electrode layer, a second electrode layer abutting the light-emitting layer stack and a multilayer encapsulation abutting the second electrode layer, wherein the multilayer encapsulation comprises a barrier layer and a planarization layer, wherein the planarization layer abuts the second electrode layer, and wherein the planarization layer is arranged between the second electrode layer and the barrier layer. |
| US11569472B2 |
Electroluminescent display substrate, manufacturing method thereof and electroluminescent display apparatus
An electroluminescent display substrate and a manufacturing method thereof, and an electroluminescent display apparatus, are disclosed. The display substrate includes: a base substrate; an electroluminescent element on the base substrate, the electroluminescent element including a first electrode layer, a light-emitting layer and a second electrode layer which are disposed in sequence on the base substrate; an encapsulating layer disposed on the base substrate and covering the electroluminescent element; an aperture, the aperture at least penetrating the encapsulating layer; and at least one eave structure on the base substrate, the at least one eave structure surrounding the aperture, and being located between the aperture and the electroluminescent element. Each eave structure includes at least one undercut at one end of the eave structure close to the base substrate, and at least one of the light-emitting layer and the second electrode layer is disconnected at the at least one undercut. |
| US11569471B2 |
Light emitting device (LED) and multi-stacked LED including charge generation junction (CGJ) layer, and manufacturing method thereof
Provided is a light emitting diode (LED) and a multi-stacked LED including a charge generation junction (CGJ) layer, and a manufacturing method thereof. An LED including an anode, a hole transport layer, a light emitting layer, and a cathode, includes a CGJ layer in a layer-by-layer structure in which an n-type oxide and a p-type oxide formed on at least one surface of the light emitting layer are sequentially stacked. Here, the n-type oxide includes zinc oxide (ZnO) and the p-type oxide is represented by the following Formula: Cu2Sn2-XS3—(GaX)2O3. Here, 0.2 |
| US11569470B2 |
Organic light-emitting device and apparatus including the same
An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum. |
| US11569468B2 |
Quantum dot device and quantum dots
Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm. |
| US11569467B2 |
Quantum dot composition and light emitting diode having a ligand with head part that has an acid group combined with surface of a quantum dot
A quantum dot composition of an embodiment includes: a quantum dot; a ligand combined with a surface of the quantum dot; and a ligand scavenger having a nucleophilic reaction group. |
| US11569461B2 |
Organic electroluminescence device and organometallic compound for organic electroluminescence device
An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The organic layer includes an organometallic compound represented by Formula 1 below. where R1 to R4, X1 to X4, Ar1 to Ar3, M, Q, m1 to m4, and n are as defined in the specification. |
| US11569460B2 |
Organometallic compound, organic light-emitting device including organometallic compound, and diagnostic composition including organometallic compound
An organometallic compound represented by Formula 1: M(L1)n1(L2)n2(L3)n3 Formula 1 wherein M, L1, L2, L3, n1, n2, and n3 are the same as described in the specification. |
| US11569459B2 |
Organometallic compound having imidazopyrazine-based ligand and organic light-emitting device including the same
An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The emission layer includes at least one organometallic compound of Formula 1, and at least one selected from a second compound and a third compound, where the organometallic compound, the second compound, and the third compound are different from each other. When the emission layer comprises both the second compound and the third compound, the second compound and the third compound form an exciplex, and the organometallic compound and the second compound and/or the third compound do not form an exciplex: M(L1)n1(L2)n2, Formula 1 wherein in Formula 1, L1 is represented by Formula 2-1: |
| US11569457B2 |
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, in which at least one of the organic layers includes a polycyclic compound including a plurality of electron donors and an electron acceptor connecting the electron donors, at least one of the electron donors is a condensed ring including a borepine core, and the electron acceptor includes a phenyl group including, as a substituent, at least one cyano group or a heterocycle including at least one nitrogen atom, or a heteroaryl group including an oxygen atom or a sulfur atom for forming a ring, thereby achieving improved emission efficiency. |
| US11569456B2 |
Organic electroluminescent element and electronic device
An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material. |
| US11569454B2 |
Organic light-emitting device and display apparatus including the same
Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host. |
| US11569453B2 |
Polycyclic compound and organic light emitting element comprising same
Provided is a compound of Chemical Formula 1: where A and B each independently is a substituted or unsubstituted aryl group, a substituted or unsubstituted monocyclic or dicyclic heteroaryl group, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted benzonaphthofuran group, a substituted or unsubstituted dibenzothiophene group, a substituted or unsubstituted benzonaphthothiophene group, a substituted or unsubstituted phenoxazine group, a substituted or unsubstituted phenothiazine group, a substituted or unsubstituted phenanthroline group, a substituted or unsubstituted benzoquinoline group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted silyl group, or a substituted or unsubstituted phosphine oxide group, or one of the following substituents: and an organic light emitting device including the same. |
| US11569451B2 |
Compound and photoelectric device, image sensor, and electronic device including the same
A compound of Chemical Formula 1, and a photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description. |
| US11569448B2 |
Cross-linkable arylamine-based compound, polymer obtained therefrom, light-emitting device including the polymer, and electronic apparatus including the light-emitting device
Provided is a cross-linkable arylamine-based compound represented by Formula 1a or 1b, a polymer obtained therefrom, a light-emitting device including the polymer, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode; a second electrode facing the first electrode; and an intermediate layer between the first electrode and the second electrode and comprising an emission layer, wherein the intermediate layer includes at least one of the arylamine-based polymer formed by cross-linking a cross-linkable arylamine-based compound represented by Formula 1a or 1b. |
| US11569445B2 |
Capped contact structure with variable adhesion layer thickness
Metal oxide based memory devices and methods for manufacturing are described herein. A method for manufacturing a memory cell includes forming a bottom adhesion layer in a via formed in an insulating layer. Forming a bottom conductive plug in the bottom adhesion layer. Forming a top adhesion layer over the bottom adhesion layer and bottom conductive plug. Forming a top conductive plug in the top adhesion layer. Wherein the thickness of the bottom and top adhesion layers may be different from one another. |
| US11569442B2 |
Dielectric retention and method of forming memory pillar
A method of manufacturing a magnetic random access memory device includes depositing a liner on an intermediate device including an opening in a sacrificial dielectric layer, depositing a conductive metal over the liner and in the opening, removing a portion of the conductive metal while preserving the liner and a thickness of the sacrificial dielectric layer, removing a first portion of the liner by etching, wherein the liner is recessed into the opening, depositing a plurality of metallic tunnel junction layers, forming a hardmask on the plurality of metallic tunnel junction layers, and patterning the metallic tunnel junction layers to form a metallic tunnel junction stack and simultaneously clear a second portion of the liner and a portion the sacrificial dielectric layer. |
| US11569441B2 |
Maintaining coercive field after high temperature anneal for magnetic device applications with perpendicular magnetic anistropy
A magnetic tunnel junction with perpendicular magnetic anisotropy (PMA MTJ) is disclosed wherein a free layer interfaces with a tunnel barrier and has a second interface with an oxide layer. A lattice-matching layer adjoins an opposite side of the oxide layer with respect to the free layer and is comprised of CoXFeYNiZLWMV or an oxide or nitride of Ru, Ta, Ti, or Si, wherein L is one of B, Zr, Nb, Hf, Mo, Cu, Cr, Mg, Ta, Ti, Au, Ag, or P, and M is one of Mo, Mg, Ta, Cr, W, or V, (x+y+z+w+v)=100 atomic %, x+y>0, and each of v and w are >0. The lattice-matching layer grows a BCC structure during annealing thereby promoting BCC structure growth in the oxide layer that results in enhanced free layer PMA and improved thermal stability. |
| US11569429B2 |
Liquid discharge head
S1 is a sum of the areas of a plurality of individual electrodes formed on a first plane of a piezoelectric body of a liquid discharge head, S2 is an area of a first common electrode formed on a second plane, S3 is an area of a second common electrode formed on a third plane, D1 is a distance between a neutral plane and the first plane in a stacking direction, D2 is the distance between the neutral plane and the second plane in the stacking direction, and D3 is the distance between the neutral plane and the third plane in the stacking direction. Then, D1×S1+D2×S2>D3×S3 is satisfied. The liquid discharge head includes a plurality of conductor layers which are formed on the third plane, without contact with the second common electrode and without contact with each other. |
| US11569428B2 |
Superconducting qubit device packages
One superconducting qubit device package disclosed herein includes a die having a first face and an opposing second face, and a package substrate having a first face and an opposing second face. The die includes a quantum device including a plurality of superconducting qubits and a plurality of resonators on the first face of the die, and a plurality of conductive pathways coupled between conductive contacts at the first face of the die and associated ones of the plurality of superconducting qubits or of the plurality of resonators. The second face of the package substrate also includes conductive contacts. The device package further includes first level interconnects disposed between the first face of the die and the second face of the package substrate, coupling the conductive contacts at the first face of the die with associated conductive contacts at the second face of the package substrate. |
| US11569424B2 |
Semiconductor device
A semiconductor device includes: a first electrode provided on a semiconductor multilayer structure; a second electrode provided on a substrate; and a bonding metal layer which bonds the first electrode and the second electrode together. The bonding metal layer includes a gap inside. |
| US11569422B2 |
Semiconductor package with integrated optical diffuser and filter
A semiconductor package is provided in the present disclosure. The semiconductor package comprises: a substrate, an electronic device disposed on the substrate, a lid disposed on the substrate and surrounding the electronic device an encapsulant formed over the substrate, encapsulating the electronic device and the lid; and a plurality of fillers in the encapsulant, configured to diffuse light interacting with the electronic device. In this way, through the use of the encapsulant including the fillers distributed therein, additional optical filters and diffusers are not needed. Also, through the use of the lid, undesired stray light can be prevented from being interacting with the electronic device. |
| US11569420B2 |
White light source and illumination apparatus for lighting in lithography process
The present invention relates to a white light source and illumination apparatus for limiting wavelength of 450 nm or less and, more particularly, to a white light source and illumination apparatus for lighting in a lithography or other process, capable of realizing white light even with the limited wavelength of 450 nm or less light. Disclosed is a white light illumination apparatus for limiting wavelength of 450 nm or less, the apparatus comprising a white light source comprising: a blue light-emitting diode element having an emission peak wavelength of 450-490 nm; and an encapsulation layer which encapsulates the blue light-emitting diode element, wherein in the encapsulation layer, one or more phosphors which realize white light emission along with the blue light-emitting diode element, and a blocking agent which blocks light of wavelength of 450 nm or less are scattered, thus forming a first peak region at a wavelength of 450-490 nm and a second peak region which realizes white light emission in combination with the first peak region and limiting the wavelength of 450 nm or less. |
| US11569419B2 |
Semiconductor device and manufacturing method thereof
A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a semiconductor substrate, active devices and transparent conductive patterns. The active devices are formed on the semiconductor substrate. The transparent conductive patterns are formed over the active devices and electrically connected to the active devices. The transparent conductive patterns are made of a metal oxide material. The metal oxide material has a first crystalline phase with a prefer growth plane rich in oxygen vacancy, and has a second crystalline phase with a prefer growth plane poor in oxygen vacancy. |
| US11569417B2 |
Method of manufacturing semiconductor light emitting device
A method of manufacturing a semiconductor light emitting device, the method including forming a first conductivity-type semiconductor layer on a substrate; forming an active layer on the first conductivity-type semiconductor layer; forming a mask layer having an opening on the active layer; growing a second conductivity-type semiconductor layer through the opening; removing the mask layer; removing a portion of the active layer and a portion of the first conductivity-type semiconductor layer that do not overlap the second conductivity-type semiconductor layer; and removing a portion of the first conductivity-type semiconductor layer to expose the substrate. |
| US11569415B2 |
Light emitting diode devices with defined hard mask opening
Described are light emitting diode (LED) devices comprising a plurality of mesas defining pixels, each of the mesas comprising semiconductor layers, an N-contact material in a space between each of the plurality of mesas, a dielectric material which insulates sidewalls of the P-type layer and the active region from the metal. A hard mask layer is above the semiconductor layers, the hard mask layer having a plurality of openings therein, each partially filled with a liner layer and partially filled with a P-metal material plug, the P-metal material plug having a width; and a passivation film is on the hard mask layer, the passivation film having a plurality of passivation film openings therein defining a width, the width of each passivation film opening being less than the width of a combination of the P-metal material plug and the liner layer. |
| US11569412B2 |
Back plate and method for fluid-assisted assembly of micro-LEDs thereon
A back plate for rapid and fluid-assisted assembly of micro light emitting elements thereon includes a substrate with a driving circuit, and blocking walls made to protrude from a top surface of the substrate. The top surface of the substrate defines grooves for accommodating and powering micro light emitting elements. Each of the blocking walls semi-surrounds one groove and defines a notch. The notches defined by each blocking wall all face a single direction and the blocking walls and notches impede and gather micro light emitting elements which are made to flow in a fluid suspension and render them much more likely to tumble into the groove. |
| US11569409B2 |
Transfer head assembly and LED transfer apparatus
Embodiments of the present disclosure relate to a transfer head assembly and an LED transfer apparatus, and more particularly, to a transfer head assembly and an LED transfer apparatus in which a plurality of pickup units picks up LEDs, which are adhered to the upper surfaces of the LEDs, and transfers the LEDs to a display substrate. According to the embodiments of the present disclosure, a large number of LEDs located on a wafer substrate or a carrier substrate can be transferred in bulk to a display substrate. Thus, it is possible to rapidly perform the transfer process of the LEDs. |
| US11569406B2 |
Pin device and manufacturing method thereof, photosensitive device and display device
A PIN device includes: a first doped layer, a second doped layer, and an intrinsic layer between the first doped layer and the second doped layer, where the second doped layer includes a body portion and an electric field isolating portion at least partially enclosing the body portion; and the electric field isolating portion is doped differently from the body portion. |
| US11569405B2 |
Photodetectors with a lateral composition gradient
Structures including a photodetector and methods of fabricating such structures. The photodetector is positioned over the top surface of the substrate. The photodetector includes a portion of a semiconductor layer comprised of a semiconductor alloy, a p-type doped region in the portion of the semiconductor layer, and an n-type doped region in the portion of the semiconductor layer. The p-type doped region and the n-type doped region converge along a p-n junction. The portion of the semiconductor layer has a first side and a second side opposite from the first side. The semiconductor alloy has a composition that is laterally graded from the first side to the second side of the portion of the semiconductor layer. |
| US11569395B2 |
Solar power generator, solar array wing, and space structure
A solar power generator includes a support, a plurality of first electrodes disposed on one side of the support, a solar cell module mounted to the support, and a plurality of second electrodes disposed on the opposite side of the support. The solar cell module is electrically connected to a pair of the first electrodes via a transmission line for module connection. Three pairs of the second electrodes are electrically connected one-to-one to three pairs of the first electrodes via a transmission line for passage of current. Three of the second electrodes are electrically connected to one of the first electrode via the transmission line for passage of current. |
| US11569394B2 |
Solar cell and solar cell panel including the same
A solar cell panel includes a plurality of solar cells including first and second solar cells, and a plurality of wiring members electrically connecting the first and second solar cells. A first electrode of each of the first and second solar cells includes a first bus bar including a plurality of first pad portions. The plurality of first pad portions include a first end pad positioned on one end side of the first bus bar and on which an end of the wiring member is positioned, and a first extension pad positioned on the other end side of the first bus bar and on an extension of the wiring member. An area of the first end pad is different from an area of the first extension pad. |
| US11569392B2 |
Power semiconductor diode including field stop region
A power semiconductor diode includes a semiconductor body having first and second main surfaces opposite to each other along a vertical direction. A drift region of a second conductivity type is arranged between an anode region of a first conductivity type and the second main surface. A field stop region of the second conductivity type is arranged between the drift region and the second main surface. A dopant concentration profile of the field stop region along the vertical direction includes a maximum peak. An injection region of the first conductivity type is arranged between the field stop region and the second main surface, with a pn-junction between the injection and field stop regions. A cathode contact region of the second conductivity type is arranged between the field stop region and the second main surface. A first vertical distance between the pn-junction and the maximum peak ranges from 200 nm to 1500 nm. |
| US11569391B2 |
Silicon nanotube, field effect transistor-based memory cell, memory array and method of production
A memory cell includes a substrate and a body including plural layers. The body has an inner body and an outer body, and the body is formed on top of the substrate. A nanotube trench is formed vertically in the body and extends to the substrate. A nanotube structure is formed in the nanotube trench. The nanotube trench divides the body into the inner body and the outer body and the nanotube structure is mechanically separated from the inner body and the outer body by a tunnel oxide layer, a charge trapping layer, and a blocking oxide layer. |
| US11569390B2 |
Memory cells and integrated assemblies having charge-trapping-material with trap-enhancing-additive
Some embodiments include a memory cell having charge-trapping-material between a semiconductor channel material and a gating region. The charge-trapping-material includes silicon, nitrogen and trap-enhancing-additive. The trap-enhancing-additive includes one or more of carbon, phosphorus, boron and metal. Some embodiments include an integrated assembly having a stack of alternating first and second levels. The first levels include conductive structures and the second levels are insulative. Channel-material-pillars extend through the stack. Charge-trapping-regions are along the channel-material-pillars and are between the channel-material-pillars and the conductive structures. The charge-trapping-regions include a charge-trapping-material which contains silicon, nitrogen and trap-enhancing-additive. The trap-enhancing-additive includes one or more of carbon, phosphorus, boron and metal. |
| US11569389B2 |
Semiconductor device
A semiconductor device includes a fin-type pattern on a substrate, the fin-type pattern extending in a first direction and protruding from the substrate in a third direction, a first wire pattern on the fin-type pattern, the first wire pattern being spaced apart from the fin-type pattern in the third direction, and a gate electrode extending in a second direction, which is perpendicular to the first and third directions, and surrounding the first wire pattern, the gate electrode including a first portion that overlaps with the fin-type pattern in the second direction and a second portion corresponding to a remainder of the gate electrode except for the first portion. |
| US11569387B2 |
Semiconductor device including fin structures and manufacturing method thereof
A semiconductor Fin FET device includes a fin structure disposed over a substrate. The fin structure includes a channel layer. The Fin FET device also includes a gate structure including a gate electrode layer and a gate dielectric layer, covering a portion of the fin structure. Side-wall insulating layers are disposed over both main sides of the gate electrode layer. The Fin FET device includes a source and a drain, each including a stressor layer disposed in a recess formed by removing the fin structure not covered by the gate structure. The stressor layer includes a first to a third stressor layer formed in this order. In the source, an interface between the first stressor layer and the channel layer is located under one of the side-wall insulating layers closer to the source or the gate electrode. |
| US11569383B2 |
Method of forming source/drain epitaxial stacks
The present disclosure describes a method to form silicon germanium (SiGe) source/drain epitaxial stacks with a boron doping profile and a germanium concentration that can induce external stress to a fully strained SiGe channel. The method includes forming one or more gate structures over a fin, where the fin includes a fin height, a first sidewall, and a second sidewall opposite to the first sidewall. The method also includes forming a first spacer on the first sidewall of the fin and a second spacer on the second sidewall of the fin; etching the fin to reduce the fin height between the one or more gate structures; and etching the first spacer and the second spacer between the one or more gate structures so that the etched first spacer is shorter than the etched second spacer and the first and second etched spacers are shorter than the etched fin. The method further includes forming an epitaxial stack on the etched fin between the one or more gate structures. |
| US11569380B2 |
Semiconductor structure
A semiconductor structure is provided, and the semiconductor structure includes a substrate, and an active area is defined thereon, a gate structure spanning the active area, wherein the overlapping range of the gate structure and the active area is defined as an overlapping region, and the overlapping region includes four corners, and at least one salicide block covering the four corners of the overlapping region. |
| US11569379B2 |
Semiconductor device and semiconductor device manufacturing method
In the semiconductor device, a high-concentration diffusion layer and a low-concentration diffusion layer are disposed around a drain diffusion layer of an ESD protection element. The high-concentration diffusion layer is separated from a gate electrode, and a medium concentration LDD diffusion layer is disposed in a separation gap. Variations in characteristics are suppressed by reducing thermal treatment on the high-concentration diffusion layer and a medium concentration diffusion layer. |
| US11569377B2 |
Semiconductor device
A semiconductor device according to an embodiment includes: a first electrode; and a substrate including a first surface in contact with the first electrode and a second surface provided opposite to the first surface, the first surface including a first groove including a first length and a second length shorter than the first length, the first length in a first direction parallel to the first surface, the second length in a second direction parallel to the first surface, the second direction intersecting with the direction, wherein the substrate includes a semiconductor layer having first conductive type, a first semiconductor region provided between the semiconductor layer and the second surface, the first semiconductor region having second conductive type, a second semiconductor region provided between the first semiconductor region and the second surface, the second semiconductor region having first conductive type higher than an impurity concentration of the semiconductor layer, and a second electrode provided in a first trench, the second electrode being provided opposite to the first semiconductor region via a first insulating film, the first trench reaching the semiconductor layer from the second surface, the first trench extending in the second direction. |
| US11569374B2 |
Implanted isolation for device integration on a common substrate
Structures including devices, such as transistors, integrated on a semiconductor substrate and methods of forming a structure including devices, such as transistors, integrated on a semiconductor substrate. A first transistor is formed in a first device region of a semiconductor substrate, and a second transistor is formed in a second device region of the semiconductor substrate. The second transistor includes a layer stack on the semiconductor substrate, and the layer stack includes a layer comprised of a III-V compound semiconductor material. A polycrystalline layer includes a section that is positioned in the semiconductor substrate beneath the first device region. |
| US11569371B2 |
Semiconductor device
We disclose herein a gate controlled bipolar semiconductor device comprising: a collector region of a first conductivity type; a drift region of a second conductivity type located over the collector region; a body region of a first conductivity type located over the drift region; a plurality of first contact regions of a second conductivity type located above the body region and having a higher doping concentration than the body region; a second contact region of a first conductivity type located laterally adjacent to the plurality of first contact regions, the second contact region having a higher doping concentration than the body region; at least two active trenches each extending from a surface into the drift region; an emitter trench extending from the surface into the drift region; wherein each first contact region adjoins an active trench so that, in use, a channel is formed along said each active trench and within the body region; wherein the second contact region adjoins the emitter trench; and wherein the emitter trench is located between two active trenches. |
| US11569364B2 |
Silicide backside contact
A semiconductor structure and a method of forming the same are provided. In an embodiment, a semiconductor structure includes a first plurality of channel members over a backside dielectric layer, a second plurality of channel members over the backside dielectric layer, a silicide feature disposed in the backside dielectric layer, and a source/drain feature disposed over the silicide feature and extending between the first plurality of channel members and the second plurality of channel members. The silicide feature extends through an entire depth of the backside dielectric layer. |
| US11569362B2 |
Semiconductor device and a method for fabricating the same
A semiconductor device includes a source/drain region, a source/drain silicide layer formed on the source/drain region, and a first contact disposed over the source/drain silicide layer. The first contact includes a first metal layer, an upper surface of the first metal layer is at least covered by a silicide layer, and the silicide layer includes a same metal element as the first metal layer. |
| US11569361B2 |
Nanosheet transistors with wrap around contact
An embodiment includes a method of forming a semiconductor device and the resulting device. The method may include forming a source/drain on an exposed portion of a semiconductor layer of a layered nanosheet. The method may include forming a sacrificial material on the source/drain. The method may include forming a dielectric layer covering the sacrificial material. The method may include replacing the sacrificial material with a contact liner. The semiconductor device may include a first gate nanosheet stack and second gate nanosheet stack. The semiconductor device may include a first source/drain in contact with the first nanosheet stack and a second source/drain in contact with the second nanosheet stack. The semiconductor device may include a source/drain dielectric located between the first source/drain and the second source/drain. The semiconductor device may include a contact liner in contact with the first source/drain, the second source/drain and the source/drain dielectric. |
| US11569359B2 |
Semiconductor device and fabrication method thereof
A semiconductor device includes a barrier layer, a dielectric layer, a first protection layer, a first spacer, and a gate. The dielectric layer is disposed on the barrier layer. The first protection layer is disposed on the barrier layer, in which the first protection layer extends from a first sidewall of the dielectric layer to a top surface of the barrier layer. The first spacer is disposed on and received by the first protection layer, in which a top end of the first protection layer comprises a first curved surface between the first spacer and the dielectric layer. The gate is disposed on the barrier layer, the dielectric layer, and the first spacer. The gate extends from a top surface of the dielectric layer and at least along the first curved surface of the first protection layer to make contact with the top surface of the barrier layer. |
| US11569356B2 |
Scaled gate contact and source/drain cap
The present disclosure relates to semiconductor structures and, more particularly, to a scaled gate contact and source/drain cap and methods of manufacture. The structure includes: a gate structure comprising an active region; source and drain contacts adjacent to the gate structure; a capping material over the source and drain contacts; a gate contact formed directly above the active region of the gate structure and over the capping material; a U-shape dielectric material around the gate contact, above the source and drain contacts; and a contact in direct electrical contact to the source and drain contacts. |
| US11569353B2 |
Apparatuses including passing word lines comprising a band offset material, and related methods and systems
An apparatus comprises active word lines extending within a semiconductive material, passing word lines extending adjacent to the active word lines within the semiconductive material, isolation regions adjacent to the passing word lines, and a band offset material adjacent to the passing word lines and the isolation regions. The semiconductive material exhibits a first bandgap and the band offset material exhibits a second, different bandgap. Related methods and systems are also described. |
| US11569352B2 |
Protrusion field-effect transistor and methods of making the same
A transistor, integrated semiconductor device and methods of making are provided. The transistor includes a dielectric layer having a plurality of dielectric protrusions, a channel layer conformally covering the protrusions of the dielectric layer to form a plurality of trenches between two adjacent dielectric protrusion, a gate layer disposed on the channel layer. The gate layer 106 has a plurality of gate protrusions fitted into the trenches. The transistor also includes active regions aside the gate layer. The active regions are electrically connected to the channel layer. |
| US11569343B2 |
Metal-insulator-metal capacitors
A metal-insulator-metal (MIM) capacitor includes a first group of metal contacts disposed on a first region of an isolation layer spaced apart from each other in a first direction, a second group of metal contacts disposed on a second region of the isolation layer spaced apart from each other in the first direction, a dielectric layer disposed between the first group of metal contacts and the second group of metal contacts, a first metal electrode disposed to contact the top surfaces of the first group of metal contacts, and a second metal electrode disposed to contact the top surfaces of the second group of metal contacts. |
| US11569339B2 |
Display device having intersecting initialization power line portions
A display device may including: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area of the substrate, each of the pixels including a light-emitting element provided with a pixel electrode; scan lines and data lines coupled to the pixels; a power line configured to supply driving power to the light-emitting elements, and extending in one direction; and an initialization power line configured to supply initialization power to the light-emitting elements. The power line and the initialization power line may be provided on different layers. The initialization power line may include: first conductive lines extending in a direction oblique to the scan lines and the data lines; and conductive lines intersecting the first conductive lines. The first and second conductive lines may be disposed in areas between the pixel electrodes of adjacent light-emitting elements. |
| US11569335B2 |
Display device
A display device is disclosed. In one aspect, the device includes a substrate and a display unit disposed on the substrate and including a plurality of pixels each pixel including a thin film transistor, a display element electrically connected to the thin film transistor, and a planarization layer interposed between the thin film transistor and the display element. The display unit includes a display region and a non-display region surrounding the display region, wherein the non-display region includes a voltage line. The planarization layer comprises a central portion, an outer portion and a dividing region interposed between the central and outer portions, wherein the dividing region is located in the non-display region. The planarization layer covers at least a lateral side of the voltage line formed in the dividing region. |
| US11569332B2 |
Display substrate and display device
A display substrate and a display device are provided in the present invention. The display substrate includes a base substrate, and a positive power supply line, a negative power supply line and a first dam which are on the base substrate. The base substrate includes a display region and a peripheral region arranged around the display region. The positive power supply line, the negative power supply line and the first dam are in the peripheral region, and the first dam is arranged around the display region. At least in a corresponding region between the positive power supply line and the negative power supply line, a protruding structure is on a side of the first dam proximal to the display region. |
| US11569330B2 |
Array substrate and display device
An array substrate is provided, including: a base substrate including a display area; a racetrack hole portion in the display area, including: a long axis; a short axis; a first hole and a second hole; a frame area surrounding the first hole and the second hole; and multiple lines in the frame area. The frame area includes a first wiring area and a second wiring area, the first wiring area includes a first conductive layer, and the multiple lines located in the first wiring area are arranged in the first conductive layer; and the second wiring area includes a second conductive layer and a third conductive layer arranged in different layers, and some of the multiple lines located in the second wiring area are arranged in the second conductive layer, and other lines of the multiple lines located in the second wiring area are arranged in the third conductive layer. |
| US11569325B2 |
Display device, method of manufacturing the same, and electronic apparatus
There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element. |
| US11569324B2 |
Active matrix substrate and method for manufacturing same
An active matrix substrate includes a first TFT and a second TFT, in which the first TFT includes a first oxide semiconductor layer and a first gate electrode arranged on a part of the first oxide semiconductor layer with a first gate insulating layer interposed therebetween, the first gate insulating layer has a layered structure including a first insulating film and a second insulating film arranged on the first insulating film, the second TFT includes a second oxide semiconductor layer having a higher mobility than the first oxide semiconductor layer and a second gate electrode arranged on a part of the second oxide semiconductor layer with a second gate insulating layer interposed therebetween, and the second gate insulating layer includes the second insulating film and does not include the first insulating film, and the second TFT further includes a lower insulating layer including the first insulating film arranged between the second oxide semiconductor layer and a substrate. |
| US11569320B2 |
Display panel including dam and recess, and display apparatus including the same
A display panel includes: a substrate including an opening area, a display area, and a non-display area, the display area surrounding the opening area, and the non-display area being between the opening area and the display area; a plurality of display elements at the display area of the substrate, each of the display elements including a pixel electrode, an emission layer on the pixel electrode, and an opposite electrode on the emission layer; a thin-film encapsulation layer covering the plurality of display elements; a dam at the non-display area, and protruding from a top surface of a first insulating layer; and a recess between the opening area and the dam, and recessed in a depth direction of the first insulating layer. A lateral wall of the dam meets a first lateral wall from among lateral walls of the recess, the first lateral wall being adjacent to the display area. |
| US11569316B2 |
Display device
A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings. |
| US11569315B2 |
Display panel and manufacturing method thereof
The embodiment of the present disclosure provides a display panel and a manufacturing method thereof. The display panel includes: an active area; and an aperture area at least partially surrounded by the active area, wherein at least one barrier wall is provided between the active area and the aperture area, a thin film encapsulation is provided on a first side of the display panel, and the thin film encapsulation covers the barrier wall and the active area, and wherein a convex-concave structure is provided on at least one surface of the barrier wall in contact with the thin film encapsulation. |
| US11569312B2 |
Organic light emitting display device
An organic light-emitting display comprises a substrate having a plurality of subpixels arranged in a row direction and a column direction crossing the row direction; a plurality of first electrodes respectively allocated to the plurality of subpixels and comprising a first sub-electrode arranged in a (3n−2) column, a second sub-electrode arranged in a (3n−1) column, and a third sub-electrode arranged in a 3n column (where n is a natural number of 1 or more); and a bank having an opening exposing the plurality of first electrodes, wherein the first sub-electrode has a convex part protruded toward the third sub-electrode that has a concave part corresponding to the convex part. |
| US11569311B2 |
Array substrate with sub-pixels including power-supplying wire portions having openings therebetween and manufacturing method thereof, and display panel
An array substrate, a manufacturing method thereof and a display panel are provided. The array substrate includes sub-pixel units, and each sub-pixel unit includes a light emitting region and a non-light emitting region; each sub-pixel unit includes a light emitting element, the light emitting element includes a light emitting layer and a first electrode, and at least a part of the first electrode is in the light emitting region. A plurality of first wires are configured to supply a power signal to the light emitting element and include a first sub-wire; the first sub-wire includes a plurality of portions, adjacent two of the plurality of portions are spaced apart from each other by an opening in the light emitting region; at least a part of an orthographic projection of the opening on the array substrate does not overlap with an orthographic projection of the first electrode on the array substrate. |
| US11569306B2 |
Display apparatus and method of manufacturing the same
A display apparatus includes a first substrate; a first light-emitting device, a second light-emitting device, and a third light-emitting device disposed over the first substrate, each of the first to third light-emitting devices including a first light emission layer; a second substrate disposed over the first substrate with the first to third light-emitting devices therebetween, the second substrate including a first through hole, a second through hole, and a third through hole overlapping the first to third light-emitting devices; a reflective layer on an inner surface of each of the first to third through holes; a first color filter layer in the first through hole; a second color filter layer and a second quantum dot layer in the second through hole; and a third color filter layer and a third quantum dot layer in the third through hole. |
| US11569302B2 |
Pixel arrangement structure and display substrate
A pixel arrangement structure, a display substrate and a mask group are disclosed. The pixel arrangement structure includes a plurality of pixel groups, each of the plurality of pixel groups includes one red sub-pixel, two green sub-pixels and one blue sub-pixel; the red sub-pixel and the blue sub-pixel are arranged along a first direction; the two green sub-pixels are arranged along a second direction. Four vertexes included in the red sub-pixel are located in a first virtual rhombus and are substantially coincident with four vertexes of the first virtual rhombus, respectively; four vertexes included in the blue sub-pixel are located in a second virtual rhombus and are substantially coincident with four vertexes of the second virtual rhombus, respectively; at least one of the red or the blue sub-pixel has a shape of a corresponding virtual rhombus with each side of the virtual rhombus being an inwardly concaved side. |
| US11569299B2 |
Display device including light-emitting portions having opposing angle directions
A display device includes a display panel having first and second regions with the second region having a higher resolution than the first region and an electronic module under the first region. The display panel includes first and second emission layers in a first sub-region of the first region with the second emission layer being spaced apart from the first emission layer. The first emission layer has a first light-emitting portion and a second light-emitting portion adjacent to the first light-emitting portion in a first direction, and the second emission layer has a third light-emitting portion and a fourth light-emitting portion adjacent to the third light-emitting portion in the first direction. The first light-emitting portion is inclined from the second light-emitting portion toward a lower surface of the display panel, and the fourth light-emitting portion is inclined from the third light-emitting portion toward an upper surface of the display panel. |
| US11569293B2 |
Micro-LED displays
A micro-light emitting diode (LED) display panel and a method of forming the display panel, the micro-LED display panel having a monolithically grown micro-structure including a first color micro-LED that is a first color nanowire LED, and a second color micro-LED that is a second color nanowire LED. |
| US11569292B2 |
Display apparatus and manufacturing method thereof
A display apparatus including: a plurality of display modules, each including a substrate and inorganic light emitting diodes mounted on a mounting surface of the substrate; a cover layer configured to cover the mounting surface of each of the display modules; and an adhesive layer arranged between the cover layer and the mounting surface of each of the display modules to cause the cover layer to adhere to the mounting surface of each of the display modules, wherein the adhesive layer includes a first region, disposed on a gap formed between the plurality of display modules, and a second region disposed on the mounting surface of each of the display modules, and wherein the adhesive layer includes a photosensitive material such that the first region of the adhesive layer is configured to undergo a photosensitive reaction based on an external light source. |
| US11569286B2 |
Solid-state imaging device and electronic apparatus
A solid-state imaging device includes a semiconductor layer on which a plurality of pixels are arranged along a light-receiving surface being a main surface of the semiconductor layer, photoelectric conversion units provided for the respective pixels in the semiconductor layer, and a trench element isolation area formed by providing an insulating layer in a trench pattern formed on a light-receiving surface side of the semiconductor layer, the trench element isolation area being provided at a position displaced from a pixel boundary between the pixels. |
| US11569283B2 |
Image pickup apparatus having image sensor equipped with polarizing element and control method therefor
An image pickup apparatus that enables to quickly capture an image from which a predetermined reflected light component is removed with desired sensitivity. A polarizing filter two-dimensionally arranges a plurality of sets each of which includes polarizing filter elements having different polarization directions. A first image sensor has pixels that respectively correspond to polarizing filter elements of the polarizing filter. A polarization calculation unit detects a polarized component of light that enters into a region in which one set of polarizing filter elements are arranged based on signals output from pixels in the region of the first image sensor for each region. A correction unit corrects a pixel signal output from a pixel of a second image sensor corresponding to the region based on a calculation result by the polarization calculation unit for each pixel of the second image sensor. |
| US11569280B2 |
Image sensing device
An image sensing device includes a first impurity region, a second impurity region, a floating diffusion region, and a transfer gate. The first impurity region is disposed in a semiconductor substrate and includes impurities with a first doping polarity, and the first impurity region generates photocharges by performing photoelectric conversion in response to incident light. The second impurity region is disposed over the first impurity region and has impurities with a second doping polarity different from the first doping polarity, and the second impurity region contacts with on some portions of the first impurity region. The floating diffusion region disposed over the second impurity region. The transfer gate couples to the floating diffusion region and transmits photocharges generated by the first impurity region to the floating diffusion region. The first impurity region is arranged not in contact with the transfer gate. |
| US11569277B2 |
Semiconductor device
There is disclosed a semiconductor device including: a substrate; a plurality of first electrodes arranged away from each other with gaps on the substrate; a first intermediate layer arranged on each of the plurality of first electrode; a second intermediate layer, at least a part of which is arranged on each of the gaps of the plurality of first electrodes; a photoelectric conversion layer arranged on the first intermediate layer and the second intermediate layer; and a second electrode arranged on the photoelectric conversion layer. A content of oxygen on a molar basis in the second intermediate layer is higher than a content of oxygen on a molar basis in the first intermediate layer. |
| US11569275B2 |
Array substrate, method for preparing the same, and display device
The present disclosure provides an array substrate, a method for preparing the same, and a display device. The method includes: forming a metal layer on a base substrate; coating a photoresist on the metal layer; exposing the photoresist by a mask plate in such a manner that an amount of light acting on a first photoresist portion is less than that of light acting on a second photoresist portion to form a first photoresist reserved portion located and a second photoresist reserved portion located; after etching off the metal portion, stripping the first photoresist reserved portion and the second photoresist reserved portion, to obtain the first metal pattern located in the fan-out area and the second metal pattern located in the display area, in which a period size of the first metal pattern being smaller than a period size of the second metal pattern. |
| US11569273B2 |
Pixel, display device including pixel, and method of manufacturing display device
A pixel according to an embodiment of the present disclosure includes a circuit element on a base layer, a protective layer on the circuit element, a first electrode and a second electrode opposite each other on the protective layer, a first insulating layer on the first electrode and the second electrode, a light-emitting element on the first insulating layer at an area between the first electrode and the second electrode, a first contact electrode on a first end of the light-emitting element to connect the first end of the light-emitting element to the first electrode, a second contact electrode on a second end of the light-emitting element to connect the second end of the light-emitting element to the second electrode, and a cavity in the protective layer and the first insulating layer below the light-emitting element corresponding to the area between the first electrode and the second electrode. |
| US11569270B2 |
Drive backboard, manufacturing method thereof, display panel and display device
A drive backboard, a manufacturing method thereof, a display panel and a display device are provided. The drive backboard includes a plurality of pixel units and a plurality of spare electrode groups. Each pixel unit includes m subpixel units, and m is a positive integer greater than or equal to 2. Each spare electrode group includes two first spare electrodes and one second spare electrode; two adjacent ith subpixel units respectively use one first spare electrode in each spare electrode group and share one second spare electrode in each spare electrode group, where i is a positive integer from 1 to m. |
| US11569267B2 |
Method for forming integrated circuit
A method for forming an integrated circuit includes following operations. A substrate having a first region, a second region and an isolation structure is received. A portion of the substrate is removed such that the second region is recessed. A portion of the isolation structure is removed to obtain a first top surface, a second top surface lower than the first top surface, and a boundary between the first top surface and the second top surface. A first device is formed in the first region, a second device is formed in the second region, and a dummy structure is formed over the first top surface, the second top surface and the boundary. A dielectric structure is formed over the substrate. A top surface of the first device, a top surface of the second device and a top surface of the dummy structure are aligned with each other. |
| US11569261B2 |
Three-dimensional semiconductor memory devices
A three-dimensional semiconductor memory device is provided. The device may include a first stack structure on a substrate including a cell array region and a connection region, a second stack structure on the first stack structure, a first vertical channel hole penetrating the first stack structure and partially exposing the substrate and a bottom surface of the second stack structure, on the cell array region, a second vertical channel hole penetrating the second stack structure and exposing the first vertical channel hole, on the cell array region, a bottom diameter of the second vertical channel hole being smaller than an top diameter of the first vertical channel hole, and a buffer pattern placed in the first vertical channel hole and adjacent to the bottom surface of the second stack structure. |
| US11569260B2 |
Three-dimensional memory device including discrete memory elements and method of making the same
A memory device includes an alternating stack of insulating layers, dielectric barrier liners and electrically conductive layers located over a substrate and a memory stack structure extending through each layer in the alternating stack. Each of the dielectric barrier liners is located between vertically neighboring pairs of an insulating layer and an electrically conductive layer within the alternating stack. The memory stack structure includes a memory film and a vertical semiconductor channel, the memory film includes a tunneling dielectric layer and a vertical stack of discrete memory-level structures that are vertically spaced from each other without direct contact between them, and each of the discrete memory-level structures includes a lateral stack including, from one side to another, a charge storage material portion, a silicon oxide blocking dielectric portion, and a dielectric metal oxide blocking dielectric portion. |
| US11569258B2 |
Integrated assemblies which include stacked memory decks, and methods of forming integrated assemblies
Some embodiments include a method of forming stacked memory decks. A first deck has first memory cells arranged in first tiers disposed one atop another, and has a first channel-material pillar extending through the first tiers. An inter-deck structure is over the first deck. The inter-deck structure includes an insulative expanse, and a region extending through the insulative expanse and directly over the first channel-material pillar. The region includes an etch-stop structure. A second deck is formed over the inter-deck structure. The second deck has second memory cells arranged in second tiers disposed one atop another. An opening is formed to extend through the second tiers and to the etch-stop structure. The opening is subsequently extended through the etch-stop structure. A second channel-material pillar is formed within the opening and is coupled to the first channel-material pillar. Some embodiments include integrated assemblies. |
| US11569253B2 |
Semiconductor memory device
A semiconductor memory device includes multiple first electrode layers stacked in a first direction, multiple second electrode layers stacked in the first direction, a first columnar body extending through the multiple first electrode layers in the first direction, a second columnar body extending through the multiple second electrode layers in the first direction, a connection part connecting the first columnar body and the second columnar body, and a spacer film having an island configuration surrounding the connection part. The multiple first electrode layers and the multiple second electrode layers are arranged in the first direction, and the connection part and the spacer film are provided between the multiple first electrode layers and the multiple second electrode layers. |
| US11569251B2 |
High voltage polysilicon gate in high-K metal gate device
An integrated circuit device includes a plurality of metal gates each having a metal electrode and a high-κ dielectric and a plurality of polysilicon gates each having a polysilicon electrode and conventional (non high-κ) dielectrics. The polysilicon gates may have adaptations for operation as high voltage gates including thick dielectric layers and area greater than one μm2. Polysilicon gates with these adaptations may be operative with gate voltages of 10V or higher and may be used in embedded memory devices. |
| US11569249B2 |
Anti-fuse device method and layout
A method of manufacturing an anti-fuse device includes forming an anti-fuse structure on a substrate, forming a first transistor at a first position away from the anti-fuse device in a first direction, and forming a second transistor at a second position away from the anti-fuse device in a second direction opposite the first direction. Forming the anti-fuse structure includes forming first and second S/D structures in an active area, the first transistor includes the first S/D structure, and the second transistor includes the second S/D structure. The method includes constructing a first electrical connection between gate structures of the first and second transistors and a second electrical connection between a third S/D structure of the first transistor and a fourth S/D structure of the second transistor. |
| US11569242B2 |
DRAM memory device having angled structures with sidewalls extending over bitlines
Disclosed are DRAM devices and methods of forming DRAM devices. One method may include forming a plurality of trenches and angled structures, each angled structure including a first sidewall opposite a second sidewall, wherein the second sidewall extends over an adjacent trench. The method may include forming a spacer along a bottom surface of the trench, along the second sidewall, and along the first sidewall, wherein the spacer has an opening at a bottom portion of the first sidewall. The method may include forming a drain in each of the angled structures by performing an ion implant, which impacts the first sidewall through the opening at the bottom portion of the first sidewall. The method may include removing the spacer from the first sidewall, forming a bitline over the spacer along the bottom surface of each of the trenches, and forming a series of wordlines along the angled structures. |
| US11569241B2 |
Semiconductor device
A semiconductor device of an embodiment includes an oxide semiconductor layer. The oxide semiconductor layer includes a metal oxide containing at least one first metal element selected from the group consisting of indium and tin and at least one second metal element selected from the group consisting of zinc, gallium, aluminum, tungsten, and silicon. The oxide semiconductor layer includes a first region in which at least one anion element selected from the group consisting of fluorine and chlorine is contained within a range of 1 atomic % or more and less than 8 atomic % in the metal oxide. |
| US11569236B2 |
Replacement gate process for FinFET
A method of forming a semiconductor device includes etching a substrate to form two first trenches separated by a fin; filling the two first trenches with an isolation layer; and depositing a dielectric layer over the fin and the isolation layer. The method further includes forming a second trench in the dielectric layer over a channel region of the semiconductor device, the second trench exposing the isolation layer. The method further includes etching the isolation layer through the second trench to expose an upper portion of the fin in the channel region of the semiconductor device, and forming a dummy gate in the second trench over the isolation layer and engaging the upper portion of the fin. |
| US11569235B2 |
Semiconductor device and method of manufacturing the same
A semiconductor device is provided in the disclosure, including a substrate, multiple parallel fins protruding from the substrate and isolated by trenches, and a device insulating layer on the trenches between two fins, wherein the trench is provided with a central first trench and two second trenches at both sides of the first trench, and a depth of the first trench is deeper than a depth of the second trench, and the device insulating layer is provided with a top plane, a first trench and a second trench, and the fins protrude from the top plane, and the bottom surface of the second trench is lower than the bottom surface of the first trench. |
| US11569231B2 |
Non-planar transistors with channel regions having varying widths
Techniques are disclosed for non-planar transistors having varying channel widths (Wsi). In some instances, the resulting structure has a fin (or nanowires, nanoribbons, or nanosheets) comprising a first channel region and a second channel region, with a source or drain region between the first channel region and the second channel region. The widths of the respective channel regions are independent of each other, e.g., a first width of the first channel region is different from a second width of the second channel region. The variation in width of a given fin structure may vary in a symmetric fashion or an asymmetric fashion. In an embodiment, a spacer-based forming approach is utilized that allows for abrupt changes in width along a given fin. Sub-resolution fin dimensions are achievable as well. |
| US11569230B2 |
Method and structure for FinFET devices
A method for forming a semiconductor device comprises receiving a structure having a substrate, an isolation structure over the substrate, and a fin over the substrate and adjacent to the isolation structure. The method further includes etching a portion of the fin, resulting in a trench, forming a doped material layer over bottom and sidewalls of the trench, and growing at least one epitaxial layer over the doped material layer in the trench. The method further includes recessing the isolation structure and the doped material layer, leaving a first portion of the at least one epitaxial layer surrounded by the doped material layer and performing an annealing process, thereby driving dopants from the doped material layer into the first portion. |
| US11569225B2 |
Semiconductor device
A semiconductor device in which a transistor and a diode are formed on a common semiconductor substrate is provided. The semiconductor substrate includes a transistor region in which a transistor is formed and a diode region in which a diode is formed. At least one first electrode on a second main surface side of the transistor region and at least one second electrode on a second main surface side of the diode region are made of different materials. |
| US11569223B2 |
Integrated circuit and method for fabricating the same
A method for fabricating an integrated circuit is provided. The method includes etching a first recess in a semiconductor structure; forming a first doped epitaxial feature in the first recess; and forming a second doped epitaxial feature over the first doped epitaxial feature, wherein the second doped epitaxial feature has a conductive type opposite to a conductive type of the first doped epitaxial feature. |
| US11569222B2 |
Low-voltage electrostatic discharge (ESD) protection circuit, integrated circuit and method for ESD protection thereof
An electrostatic discharge protection circuit for an integrated circuit and a method for electrostatic discharge protection thereof are disclosed. The integrated circuit includes a power source, a ground, a signal input, and a signal output. The integrated circuit further comprises one or more essentially identically configured electrostatic discharge protection circuits, configured to provide electrostatic discharge protection between any two of the power source, the ground, the signal input, and the signal output. A method of providing electrostatic discharge protection includes providing one or more essentially identically configured electrostatic discharge protection circuits coupled between and providing electrostatic discharge protection for any two of the power source, the ground, the signal input, and the signal output. The disclosed integrated circuit and method provide advantages of simplifying the integrated circuit design and reducing design time. |
| US11569221B2 |
Methods of forming capacitor structures
Methods of forming a capacitor structure might include forming a first and second conductive regions having first and second conductivity types, respectively, in a semiconductor material, forming a dielectric overlying the first and second conductive regions, forming a conductor overlying the dielectric, and patterning the conductor, the dielectric, and the first and second conductive regions to form a first island of the first conductive region, a second island of the first conductive region, an island of the second conductive region, a first portion of the dielectric overlying the first island of the first conductive region separated from a second portion of the dielectric overlying the second island of the first conductive region and the island of the second conductive region, and a first portion of the conductor overlying the first portion of the dielectric separated from a second portion of the conductor overlying the second portion of the dielectric. |
| US11569218B2 |
Semiconductor integrated circuit device
Provided is a layout structure capable of reducing the parasitic capacitance between storage nodes of an SRAM cell using vertical nanowire (VNW) FETs. In the SRAM cell, a first storage node is connected to top electrodes of some transistors, and a second storage node is connected to bottom electrodes of other transistors. Accordingly, the first and second storage nodes have fewer regions adjacent to each other in a single layer. |
| US11569217B2 |
Image sensor package and manufacturing method thereof
An image sensor package and a manufacturing method thereof are provided. The image sensor package includes a redistribution circuit structure; an image sensing chip disposed on the redistribution circuit structure and having a sensing surface, on which a sensing area and a first conductive pillar arranged in the periphery of the sensing area are disposed; a lid covering the sensing area; an encapsulant disposed on the redistribution circuit structure and encapsulating at least part of the image sensing chip and the cover; and a top tier semiconductor chip disposed above the image sensing chip and having an active surface on which a first conductor is disposed. The first conductor overlaps the image sensing chip in a direction perpendicular to the sensing surface. The first conductive pillar and the first conductor are aligned and bonded to each other to electrically connect the image sensing chip and the top tier semiconductor chip. |
| US11569216B2 |
Semiconductor package including stacked semiconductor chips and method for fabricating the semiconductor package
A semiconductor package includes: a second semiconductor chip including a second through electrode that penetrates a second body portion and a second connection electrode that is connected to one end of the second through electrode; a first semiconductor chip stack disposed over the second semiconductor chip and including a plurality of first semiconductor chips, each of the plurality of first semiconductor chips includes a first through electrode and a first connection electrode connected to one end of the first through electrode; a molding layer; a third semiconductor chip disposed over the molding layer and the first semiconductor chip stack; and an external connection electrode electrically connected to an other end of the second through electrode, wherein, the second semiconductor chip and the plurality of first semiconductor chips are electrically connected through the second through electrode, the second connection electrode, the first through electrodes, and the first connection electrodes. |
| US11569209B2 |
Semiconductor package
A semiconductor package includes a substrate having a first surface and a second surface opposite to the first surface. A semiconductor chip is on the first surface of the substrate. A passive element is on the second surface of the substrate. The substrate includes a first passive element pad and a second passive element pad that are exposed by the second surface. A dam extends downwardly from the second surface. The dam includes a first dam and a second dam. The passive element is disposed between the first dam and the second dam. The passive element includes a first electrode portion electrically connected to the first passive element pad. A second electrode portion is electrically connected to the second passive element pad. |
| US11569208B2 |
Semiconductor structure and method for making thereof
An integrated circuit package comprising one or more electronic component(s); and one or more substrate(s), including a first substrate and a second substrate, wherein said first substrate including a first cavity on a first surface of said first substrate and a second cavity on a second surface of said first substrate, said second substrate includes a third cavity on a first surface of said second substrate and a fourth cavity on a second surface of said second substrate, said first substrate and said second substrate are stacked and coupled, and said one or more electronic component(s) is/are disposed inside said first cavity of first substrate and said fourth cavity of second substrate. |
| US11569206B2 |
Integrated circuit chip, method of manufacturing the integrated circuit chip, and integrated circuit package and display apparatus including the integrated circuit chip
An integrated circuit (IC) chip includes a via contact plug extending inside a through hole passing through a substrate and a device layer, a via contact liner surrounding the via contact plug, a connection pad liner extending along a bottom surface of the substrate, a dummy bump structure integrally connected to the via contact plug, and a bump structure connected to the connection pad liner. A method of manufacturing an IC chip includes forming an under bump metallurgy (UBM) layer inside and outside the through hole and forming a first connection metal layer, a second connection metal layer, and a third connection metal layer. The first connection metal layer covers the UBM layer inside the through hole, the second connection metal layer is integrally connected to the first connection metal layer, and the third connection metal layer covers the UBM layer on the connection pad liner. |
| US11569202B2 |
Semiconductor device, circuit board structure and manufacturing method thereof
A semiconductor device, a circuit board structure and a manufacturing forming thereof are provided. A circuit board structure includes a core layer, a first build-up layer and a second build-up layer. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The circuit board structure has a plurality of stress releasing trenches extending into the first build-up layer and the second build-up layer. |
| US11569201B2 |
Semiconductor package and method of fabricating the same
A semiconductor package includes a first semiconductor chip, a second semiconductor chip on the first semiconductor chip, a first semiconductor structure and a second semiconductor structure that are on the first semiconductor chip and spaced apart from each other across the second semiconductor chip, and a resin-containing member between the second semiconductor chip and the first semiconductor structure and between the second semiconductor chip and the second semiconductor structure. The semiconductor package may be fabricated at a wafer level. |
| US11569198B2 |
Stacked semiconductor die architecture with multiple layers of disaggregation
Stacked semiconductor die architectures having one or more base dies and techniques of forming such architectures are described. The stacked semiconductor die architectures may be included in or used to form semiconductor packages. A stacked semiconductor die architecture can include: (i) one or more base dies (e.g., at least one disaggregated base die, at least one monolithic base die, etc.); and (ii) a carrier wafer having multiple stacked semiconductor dies embedded in the carrier wafer, where the carrier wafer is on the one or more base dies and where one or more interconnect structures (e.g., wires, bumps, microbumps, pillars, etc.) couple the one or more base dies to the carrier wafer and/or the stacked semiconductor dies. |
| US11569197B2 |
Ultrasonic bonding apparatus, ultrasonic bonding inspection method and ultrasonically-bonded portion fabrication method
An ultrasonic bonding apparatus includes an ultrasonic bonding machine having an ultrasonic tool for applying an ultrasonic wave to a bonding target member mounted on a fixed object fixed to a jig, while pressing a bonding member against the bonding target member; and a bonding inspection apparatus for inspecting a bonding quality of the bonding target member and the bonding member. The bonding inspection apparatus includes: a bonded-state measuring device for detecting a vibration in the jig or a housing of the ultrasonic bonding machine equipped with the jig, to thereby output a detection signal; and a bonded-state determination device for determining, in a bonding process for the bonding target member and the bonding member, a bonded state between the bonding target member and the bonding member on the basis of the detection signal outputted by the bonded-state measuring device. |
| US11569195B2 |
Semiconductor packaging structure and method of fabricating same
A semiconductor packaging structure manufactured in a manner which does not leave the chip damaged or susceptible to damage upon the removal of temporary manufacturing supports includes at least one electrical conductor, at least one conductive layer, a chip, and a colloid. The chip is spaced from the conductive layer, the electrical conductor is disposed between the conductive layer and the chip and electrically connects the conductive layer to the chip. The colloid covers all outer surfaces of the chip. A method of fabricating such a semiconductor packaging structure is also provided. |
| US11569193B2 |
Semiconductor package including semiconductor chips
A semiconductor package may include a semiconductor chip on a package substrate. The semiconductor package may include a plurality of conductive connections connecting the semiconductor chip to the package substrate may be disposed, a plurality of towers which are apart from one another and each include a plurality of memory chips may be disposed, wherein a lowermost memory chip of each of the plurality of towers overlaps the semiconductor chip from a top-down view. The semiconductor package further includes a plurality of adhesive layers be attached between the lowermost memory chip of each of the plurality of towers and the semiconductor chip. |
| US11569190B2 |
Semiconductor structure and manufacturing method thereof
A semiconductor structure includes a semiconductor substrate; a first pad and a second pad on a first top surface of the semiconductor substrate; a circuit board including a second top surface, a recess indented from the second top surface into the circuit board, a polymeric pad disposed on the second top surface and corresponding to the first pad, and an active pad disposed within the recess and corresponding to the second pad; a first bump disposed between and contacting the polymeric pad and the first pad; and a second bump disposed between and contacting the active pad and the second pad, wherein a height of the first bump is substantially shorter than a height of the second bump. |
| US11569188B2 |
Semiconductor device including elongated bonding structure between the substrate
A semiconductor device, including a first semiconductor substrate and a second semiconductor substrate, is provided. A first bonding structure is located on the first semiconductor substrate and includes a first pad having an elongated shape. A second bonding structure is located on the second semiconductor substrate and includes a second pad having an elongated shape. The first semiconductor substrate is bonded to the second semiconductor substrate by bonding the first bonding structure and the second bonding structure. The first pad is bonded to the second pad, and an extension direction of the first pad is different from an extension direction of the second pad. |
| US11569172B2 |
Semiconductor devices and methods of manufacture
Semiconductor devices and methods of manufacture are provided. In embodiments the semiconductor device includes a substrate, a first interposer bonded to the substrate, a second interposer bonded to the substrate, a bridge component electrically connecting the first interposer to the second interposer, two or more first dies bonded to the first interposer; and two or more second dies bonded to the second interposer. |
| US11569169B2 |
Semiconductor device comprising electronic components electrically joined to each other via metal nanoparticle sintered layer and method of manufacturing the same
Provided is a semiconductor device including electronic components electrically joined to each other via a metal nanoparticle sintered layer, wherein the metal nanoparticle sintered layer has formed therein a metal diffusion region in which a metal constituting a metallization layer formed on a surface of one of the electronic components is diffused, and in which the metal is present in an amount of 10 mass % or more and less than 100 mass % according to TEM-EDS analysis, and wherein the metal diffusion region has a thickness smaller than a thickness of the metallization layer. |
| US11569168B2 |
Integrated circuit, system and method of forming the same
An integrated circuit includes a first power rail, a second power rail, a signal line and a first active region of a first set of transistors. The first power rail is on a back-side of a substrate, and extends in a first direction. The second power rail is on the back-side of the substrate, extends in the first direction, and is separated from the first power rail in a second direction different from the first direction. The signal line is on the back-side of the substrate, and extends in the first direction, and is between the first power rail and the second power rail. The first active region of the first set of transistors extends in the first direction, and is on a first level of a front-side of the substrate opposite from the back-side. |
| US11569167B2 |
Method of manufacturing semiconductor device
A method of manufacturing a semiconductor device including: arranging a first and a second gate strip separating in a first distance, wherein each of the first and the second gate strip is a gate terminal of a transistor; depositing a first contact via on the first gate strip; forming a first conductive strip on the first contact via, wherein the first conductive strip and the first gate strip are crisscrossed from top view; arranging a second and a third conductive strip, above the first conductive strip, separating in a second distance, wherein each of the second and the third conductive strip is free from connecting to the first conductive strip, the first and the second conductive strip are crisscrossed from top view. The first distance is twice as the second distance. A length of the first conductive strip is smaller than two and a half times as the first distance. |
| US11569164B2 |
Semiconductor device with polygonal inductive device
A semiconductor device includes: a polygonal inductive device disposed on a first layer on a substrate, the polygonal inductive device including a first line portion; a first conductive line disposed on a second layer on the substrate; a second conductive line disposed on a third layer on the substrate; and a first conductive via arranged to electrically couple the second conductive line to the first conductive line; wherein the first layer is different from the second layer and the third layer, the first conductive line is electrically connected to a reference voltage, and the first conductive line crosses the first line portion viewing from a top of the semiconductor device. |
| US11569163B2 |
Method for fabricating semiconductor package and semiconductor package using the same
Provided are a method for fabricating a semiconductor package and a semiconductor package using the same, which can simplify a fabricating process of the semiconductor package by forming a lead frame on which a semiconductor die can be mounted without a separate grinding process, and can improve product reliability by preventing warpage from occurring during a grinding process. In one embodiment, the method for fabricating a semiconductor package includes forming a frame on a carrier, forming a first pattern layer on the frame, first encapsulating the frame and the first pattern layer using a first encapsulant, forming conductive vias electrically connected to the first pattern layer while passing through the first encapsulant, forming a second pattern layer electrically connected to the conductive vias on the first encapsulant, forming a first solder mask formed on the first encapsulant and exposing a portion of the second pattern layer to the outside, removing the frame by an etching process and etching a portion of the first pattern layer, and attaching a semiconductor die to the first pattern layer. |
| US11569155B2 |
Substrate bonding pad having a multi-surface trace interface
A bonding pad such as for a ball grid array includes a conductive pad having a top surface and a first interface surface in contact with a signal trace of a substrate, and a plating layer having a bottom surface in direct contact with the top surface of the conductive pad. The plating layer includes one or more protrusions extending toward the signal trace in a direction generally parallel to a longitudinal axis of the signal trace. Each of the one or more protrusions includes two parallel sidewalls extending upwardly from the bottom surface of the plating layer, and a second interface surface contiguous with the bottom surface of the plating layer. The second interface surface is positioned over and in direct contact with a top surface of the signal trace. The protrusions prevent the connection to the signal trace from being compromised. |
| US11569151B2 |
Composite assembly of three stacked joining partners
A composite assembly of three stacked joining partners, and a corresponding method. The three stacked joining partners are materially bonded to one another by an upper solder layer and a lower solder layer. An upper joining partner and a lower joining partner are fixed in their height and have a specified distance from one another. The upper solder layer is fashioned from a first solder agent, having a first melt temperature, between the upper joining partner and a middle joining partner. The second solder layer is fashioned from a second solder agent, having a higher, second melt temperature, between the middle joining partner and the lower joining partner. The upper joining partner has an upwardly open solder compensating opening filled with the first solder agent, from which, to fill the gap between the upper joining partner and the middle joining partner, the first solder agent subsequently flows into the gap. |