Document | Document Title |
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US11464151B2 |
Electronic component mounting machine
An electronic component mounting machine including a board clamp device configured to clamp a circuit board conveyed by a conveyor by sandwiching side edge sections of the circuit board between a clamp member from below and a conveyor rail from above by raising the clamp member, the electronic component mounting machine being configured to mount electronic components on the circuit board clamped by the board clamp device; and a control device configured to control a clamping force that is a sandwiching force on the side edge sections of the circuit board sandwiched between the clamp member and the conveyor rail of the board clamp device. The control device is configured to acquire board information including at least a weight of the circuit board and to control the clamping force of the board clamp device based on the acquired board information. |
US11464150B2 |
Information processing device and information processing method
The information processing device is a device used in a mounting system configured as a production line including a mounting device configured to mount components on a board. The information processing device comprises: a control section configured to obtain the operator workload to be performed within a time block between a first point-in-time and a second point-in-time based on correspondence information linking work content and operator working time required for the work content, and the production job of the production line; create a workload table linking the time block and the workload; and output the created workload table. |
US11464148B2 |
Nozzle holding mechanism and component mounting device
A nozzle holding mechanism of the invention is capable of holding multiple types of nozzles to a head of a component mounting device and includes: a magnet provided in a holding section of the head; and a magnetic material, attracted to the magnet, provided in a held section of the nozzle on the side held by the holding section of the head, at a position facing the magnet. The magnetic material is provided so as to have a gap between the magnetic material and the magnet while the nozzle is held by the head. The gap is adjusted to be larger or smaller in accordance with the type of the nozzle held by the head. |
US11464144B2 |
Shield member
A shield member (10) disclosed herein includes a flexible conductor (12) that is electrically conductive and covers the outer surface of at least one covered wire (W); at least one ground conductor (20) that electrically connects the flexible conductor (12) to a body ground (G); an auxiliary shield conductor (30) that covers the outer surface of the ground conductor (20); and an auxiliary ground conductor (35) that electrically connects the auxiliary shield conductor (30) to the body ground (G). |
US11464140B2 |
Centrally anchored MEMS-based active cooling systems
A cooling system is described. The cooling system includes a cooling element having a central region and a perimeter. The cooling element is anchored at the central region. At least a portion of the perimeter is unpinned. The cooling element is in communication with a fluid. The cooling element is actuated to induce vibrational motion to drive the fluid toward a heat-generating structure. |
US11464139B2 |
Conformable heat sink interface with a high thermal conductivity
A conformable heat sink interface for an integrated circuit package comprises a mounting plate having a first surface and a deformable membrane having a portion bonded to a second surface of the plate. A cavity is between the second surface of the plate and the deformable membrane. A flowable heat transfer medium is within the cavity. The flowable heat transfer medium has a thermal conductivity of not less than 30 W/m K. The deformable membrane is to conform to a three-dimensional shape of an IC package and the mounting plate has a second surface that is to be adjacent to a heat sink base. |
US11464136B2 |
Hybrid cooling for power electronics unit
A power electronics unit, a vapor compression system incorporating the power electronics unit, and a method of cooling a power electronics unit are provided. The power electronics unit includes a semiconductor portion and an inductor portion. Approximately 80% of the heat generated by the power electronics unit may be derived from the semiconductor portion. Approximately 20% of the heat generated by the power electronics unit may be derived from the inductor portion. The semiconductor portion is cooled using at least one fan. The inductor portion is cooled using a working fluid (e.g., a refrigerant). The working fluid may be provided from upstream of the evaporator in the vapor compression system. Limiting the use working fluid to only cool the inductor portion of the power electronics unit may minimize the impact of the power electronics unit on the vapor compression system. |
US11464131B2 |
Cable management assembly
A system includes a cable management assembly movable between an extended position and a retracted position. The cable management assembly includes a first pair of brackets slidable with respect to each other as the cable management assembly moves between the extended position and the retracted position. The cable management assembly also includes a second pair of brackets slidable with respect to each other as the cable management assembly moves between the extended position and the retracted position. One of the first pair of brackets is pivotably coupled to one of the second pair of brackets. |
US11464123B2 |
Method of adapting an electronic equipment enclosure for cable management
A method of adapting an electronic equipment enclosure for cable management includes: providing the enclosure, which has a frame structure at least partially enclosed by a plurality of panels, wherein a first panel of the plurality of panels includes one or more panel knockouts arranged interiorly of outer edges of the first panel, and wherein each of the one or more panel knockouts is connected to the first panel at one or more attachment points; removing a first panel knockout by severing a connection between the first panel knockout and the first panel at the one or more attachment points, thereby providing an access opening through the first panel to an interior of the electronic equipment enclosure; and installing first and second frame members of a split brush assembly at respective sides of the access opening such that sets of bristles cover respective portions of the access opening. |
US11464119B2 |
Electronic device including injection structure, and injection mold structure for injection structure
An electronic device according to various embodiments of the present disclosure includes a housing including a front plate facing a first direction, a rear plate facing a second direction that is opposite to the first direction, and side members for encompassing the inner space between the front plate and the rear plate; a display shown through at least a portion of the front plate; and a middle plate positioned between the front plate and the rear plate. The middle plate can include a first portion disposed between the front plate and the side members, when viewed from the outside of the housing. The first portion can include: a first surface supporting a portion of the front plate and facing the first direction; a second surface exposed to the outside of the housing; a third surface facing a third direction that is different from the first direction and the second direction, and facing the side surface of the front plate; and a protruding part protruding in the third direction on the third surface. |
US11464115B2 |
Method for depositing functional traces
The present invention relates to a printing method comprising a step of printing a pattern on a substrate, preferably by ink jet printing, followed by a gold plating step by means of contact between the pre-printed pattern to be gold plated and a gold plating deposition device, such as a preferably conductive metal sheet, e.g. a multilayer film comprising a preferably conductive metal sheet. |
US11464112B2 |
Touch LED component and touch device
A touch LED component and a touch device, and the touch LED component includes a metal cap, a touch button sheathed on an inner wall of the metal cap, and an LED lamp bead coupled to an inner wall of the touch button, a first through hole formed at the top of the metal cap, an induction pin installed at the bottom of the touch button, and an anode pin and a cathode pin installed on both sides of the bottom of the LED lamp bead respectively. The touch device includes a touch panel, a circuit board, and plural touch LED components. The touch LED component with high integration can be packaged by carrier tapes to facilitate automatic plug-ins and simplify production and assembling processes for mass production. The touch device has the features of simple structure, high reliability, good effect and long life. |
US11464108B2 |
Flexible substrate
A flexible substrate includes a base substrate layer; and two patter layers laminated together on the front- and back-sides of the flexible substrate, on which electric circuit lines are printed each. In order to reduce a stress generated in the flexible substrate when it is folded and soldered to an optical communication semiconductor package, the flexible substrate has a thickness-wise concavely deformed portion in a lengthwise middle portion thereof. Also to reduce the stress, the flexible substrate having the deformed portion further has end sections and a middle section formed in its longitudinal direction, and the widths of the end sections are larger than that of the middle section, and the flexible substrate having the deformed portion further has holes and holes respectively formed near the side edges of a lengthwise middle section thereof. |
US11464103B2 |
Printed circuit board including ground line for canceling electromagnetic waves generated by power line, and electronic device including same
A printed circuit board according to various embodiments of the present disclosure can include a first substrate layer, a dielectric layer stacked below the first substrate layer, and a second substrate layer stacked below the dielectric layer. The second substrate layer can include: a power line; a ground part disposed to have an isolated area along the power line; and a ground line which extends from the ground part so as to be disposed in the isolated area, and which separates the isolated area into a first area and a second area so as to generate electromagnetic waves for canceling the electromagnetic waves generated by a current flowing through the power line. Other embodiments are also possible. |
US11464097B2 |
Electronic device
An electronic device comprises: a detection unit configured to detect movement of a person; and a control unit configured to, in a case where the detection unit detects a first movement of the person, control an operation unit such that the operation unit is changed from a first state to a second state and maintains the second state for a first predetermined period, wherein, in a case where the detection unit detects a second movement of the person in a predetermined detection period spanning from before an end time of the first predetermined period until after the end time, the control unit controls the operation unit such that the operation unit maintains the second state until an end of a second predetermined period changed from the first predetermined period according to an aspect of the second movement. |
US11464096B2 |
Dimmer with improved noise immunity
A zero-crossing detection method, and devices incorporating the method, enable a selectively enabled bias to pull-up a zero-crossing signal, thereby enabling monitoring of the zero-crossing of both half-cycles of the alternating current (AC). This improves synchronization of the device in noisy environments and enables the detection of dimming problems during either half-cycle. Aspects can detect improper dimmer firing events on either polarity of the power cycle and restore normal dimmer operations when needed. |
US11464093B2 |
Single power phase buck and boost converters
In examples, an apparatus includes a transistor, a switch, a diode, a capacitor, a voltage divider, a second transistor, a resistor, and a controller. The transistor has a transistor drain, a transistor source, and a transistor gate. The switch is adapted to couple a power supply to the transistor drain through an inductor. The diode has a cathode and an anode, the diode cathode coupled to the transistor drain. The capacitor is coupled between the diode anode and ground. The voltage divider is coupled between the diode anode and ground and having a voltage divider output. The second transistor has a second transistor source and a second transistor gate. The resistor is coupled between the diode anode and the second transistor source. The controller is coupled to the transistor gate, the transistor source, the voltage divider output, the diode anode, the second transistor gate, and the second transistor source. |
US11464091B2 |
AC direct LED driver including capacitor for LED driver
Disclosed herein is a AC direct LED driving apparatus. The light emitting diode (LED) driving apparatus includes: a rectifier configured to receive and rectify an alternating current (AC) voltage; an LED configured to emit light based on a rectified voltage received from the rectifier; a capacitor connected to a first terminal of the LED, and configured to drive the LED while alternating between charging and discharging sections according to a preset cycle; a first current driver connected to a second terminal of the LED and configured to control a path of current flowing in the LED and the capacitor based on different input voltage levels; a second current driver configured to control charging and discharging of the capacitor; and a first diode connected onto a current path of the capacitor and the second current driver, and configured to form a discharging path for driving the LED based on a charged voltage of the capacitor. |
US11464087B2 |
Inorganic TFEL display element and manufacturing
A method for manufacturing an inorganic thin film electroluminescent display element comprises forming a layer structure, said forming the layer structure comprising forming a first dielectric layer (11); forming a luminescent layer (12), comprising manganese doped zinc sulfide ZnS:Mn, on the first dielectric layer, and forming a second dielectric layer (13) on the luminescent layer. Each of the first and the second dielectric layers are formed so as to comprise nanolaminate with alternating aluminum oxide Al2O3 and zirconium oxide ZrO2 sub-layers. |
US11464082B2 |
Cartridge-based heat not burn vaporizer
A vaporizer cartridge configured to efficiently and effectively heat a non-liquid source material that includes a vaporizable material is described. The cartridge may include a heating element including an electrically resistive material and may be configured to vaporize the vaporizable material by delivery of heat to the vaporizable material. The cartridge may include a cartridge contact in electrical communication with the electrically resistive material. The cartridge contact may be configured to couple to a vaporizer contact positioned proximate to a cartridge coupling feature to allow electrical power to pass from the vaporizer device through the electrically resistive material. The electrical power may cause heating of the electrically resistive material and the vaporizable material to result in generation of an aerosol for inhalation by a user. Related systems, methods, and articles of manufacture are also described. |
US11464081B2 |
Unitary heating element and heater assemblies, cartridges, and E-vapor devices including a unitary heating element
A power supply section for an e-vapor device includes a power supply section housing including a power supply portion and a heater assembly portion. The power supply portion includes a power supply, and the heater assembly portion includes a heating element and a support. The power supply is configured to selectively supply power to the heating element. The heating element includes a planar portion and first and second lead portions. The planar portion includes at least one filament. The first and second lead portions extend away from the planar portion. The support may support the heating element in the power supply section housing. The support includes a first slot and a second slot, and the first lead portion extends through the first slot, and the second lead portion extends through the second slot. |
US11464076B2 |
Electronic device for reporting communication quality measurement result and method of operating electronic device
An electronic device includes a communication processor including a first communication circuitry, a second communication circuitry, and a temperature measurement sensor. The electronic device further includes an application processor that receives information via the second communication circuitry and determines whether to request the communication processor change modes. The communication processor receives a signal to change modes, release an RRC connection, and control the second communication circuitry to enter a sleep state. |
US11464072B2 |
Synchronized mesh audio communications
A communications system includes a root node; a plurality of nodes in communication with the root node, the plurality of nodes defining a mesh network; the root node configured to: determine a time delay to each node of the plurality of nodes; transmit audio data to the plurality of nodes, the plurality of nodes configured to produce audio corresponding to the audio data; transmit a delay code to the plurality of nodes, each of the plurality of nodes producing the audio corresponding to the audio data at a time corresponding to the delay code. |
US11464065B2 |
Enhanced cellular connectivity via opportunistic extension of RRC connected mode
Systems and methods for extending connectivity with a cellular network are disclosed herein. A UE may monitor a serving cell of the UE and a neighbor cell of the UE to determine whether there is a network condition wherein the UE is to transition to an out-of-service (OOS) state if it were to fall to an Radio Resource Control (RRC) Idle state. The UE may react by, before expiration of an inactivity period corresponding to a transition to an RRC Idle mode, initiating signaling activity with a radio access network (RAN) node of the serving cell. In other embodiments, the UE may determine, based on a number of secondary devices connected to the UE, to initiate signaling with the RAN node of the serving cell before expiration of an inactivity period and according to whether a maximum number of extensions of an extension activity period has been reached. |
US11464064B2 |
Failure detection and recovery for multiple active resources
Wireless communications using multiple active resources (e.g., bandwidth parts (BWPs)) are described. A wireless device may perform failure event detection, such as radio link monitoring (RLM) and/or beam failure detection (BFD), jointly or separately for multiple active resources (e.g., BWPs) based on one or more criteria. |
US11464063B2 |
Method, apparatus, and system for establishing connection
The present application discloses methods and apparatus for resuming a radio access network (RAN) connection by an inactive terminal device. An example method disclosed herein includes the step of sending, by a terminal device, connection resumption request information to a first RAN element, where the first RAN element corresponds to the cell on which the terminal device currently camps and is a RAN element indicated by configuration information of a master cell used by the terminal device when in a connected state. The terminal device receives acknowledgement information sent by the first RAN element and resumes a connection to a second RAN element based on the acknowledgement information, where the second RAN element is a RAN element indicated by the configuration information of the secondary cell. |
US11464062B2 |
Instantiating a slice of a 5G or other next generation service network in an underserved area
Techniques for creating a service slice of a network in an underserved area are presented. A vehicle can be associated with a slice component that can generate service slices of a service network for various services. The vehicle can travel to an underserved area that does not have adequate wireless coverage or advance capabilities. For a communication device associated with an entity located in an underserved area, slice component can generate a service slice to connect the communication device to the communication network (and service network), establish a session with the communication device, provide applications, including VNF applications, to the communication device, and communicate information between the communication device and communication network (and service network). If no radio access to the network is available, slice component can continue the session with an internal slice and store information in its service database, which is synced when reconnected to the network. |
US11464060B2 |
Device and method of handling a radio resource control reestablishment
A communication device for handling a radio resource control (RRC) reestablishment comprises at least one storage device and at least one processing circuit coupled to the at least one storage device. The at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of: detecting a failure; transmitting a first RRC Reestablishment Request message to a first radio access network (RAN) in response to the failure; receiving a first RRC Setup message for responding to the first RRC Reestablishment Request message, from the first RAN; and transmitting a first RRC Setup Complete message for responding to the first RRC Setup message, to the first RAN, wherein the first RRC Setup Complete message comprises a Fifth Generation (5G) System Architecture Evolution (SAE) Temporary Mobile Station Identifier (TMSI) (5G-S-TMSI). |
US11464059B2 |
Acknowledgment data unit for multiple uplink data units
A method for simultaneously communicating with multiple communication devices in a wireless local area network is described. Multiple uplink data units are received that are simultaneously transmitted by multiple second communication devices. The multiple uplink data units include a management data unit and a traffic data unit. An acknowledgment data unit is generated to acknowledge receipt of the multiple data units. The acknowledgment data unit includes (i) an indication that indicates that the acknowledgment data unit is intended for the multiple second communication devices, and (ii) respective acknowledgment information fields for the multiple second communication devices. The respective acknowledgment information fields include a first acknowledgment information field for the management data unit and a second acknowledgment information field for the traffic data unit. The acknowledgment data unit is caused to be transmitted from the first communication device to the multiple second communication devices. |
US11464053B2 |
Method for transmitting and receiving signal in wireless communication system, and apparatus for supporting same
The present disclosure relates to a wireless communication system. Specifically, provided is a method and an apparatus for supporting same, the method comprising the steps of: obtaining random access procedure-related message A, message A including a physical random access channel (PRACH) preamble and a physical uplink shared channel (PUSCH); transmitting message A; and receiving random access procedure-related message B as a response to message A, wherein the PUSCH comprises a demodulation reference signal (DM-RS), and PRACH preamble is mapped to (i) one or more DM-RS ports and (ii) one or more DM-RS sequences on the basis of indices of respective (i) one or more DM-RS ports and indices of respective (ii) one or more DM-RS sequences. |
US11464052B2 |
Communication device and communication method
Provided are a communication device and a communication method capable of further improving the quality between radio links in a communication system in which a base station device and the communication device communicate with each other. A communication device (50) according to the present disclosure includes a receiver (511a) and a transmitter (512d). The receiver (511a) receives a synchronization signal transmitted from a base station device (20, 30). The transmitter (512d) transmits a physical random access channel (PRACH) including a feature capable of uniquely identifying the synchronization signal received by a receiver (511a) and/or a PRACH resource to the base station device (20, 30). |
US11464050B2 |
Timer for non-simultaneous T/R multi-link device accessing of the channel
A WLAN protocol which addresses a fairness issue in sharing MLD link access between STR and NSTR MLDs. The protocol allows NSTR MLDs to be transmitting under certain circumstances even when receiving on the other link of the NSTR link pair. A process is described in which an NSTR timer is utilized in a process of determining whether an NSTR MLD is allowed to transmit on a link of a NSTR link pair of the NSTR MLD even when it is receiving on the other link of the NSTR link pair. Numerous examples are described for utilizing this enhanced WLAN protocol. |
US11464046B2 |
Airtime fairness in WLANs (wireless local access networks) based on dynamic updates to ATF (airtime fairness) tokens
Responsive to the number of stations exceeding a first threshold number, the transmitting stations are prioritized relative to the station based on a station type. Responsive to the number of stations exceeding a second threshold number, the transmitting stations are prioritized relative to the station based on a station RSSI value. The station is assigned to the run queue with an ATF token responsive to being prioritized within the first or second thresholds permitting transmission of the data packet for the station. The station is assigned to a wait queue responsive to being prioritized outside of the first or second threshold not permitting transmission of the data packet for the station. |
US11464042B2 |
Random-access response with analog beamforming
A system and method of Random-Access Response, RAR, messaging when a base station employs narrow beamforming. Multiple RAR messages are successively transmitted from the base station to a User Equipment, UE, before any response to a RAR message is received from the UE. Thus, despite any calibration mismatch between Uplink, UL, and Downlink, DL, beams in the beamformed system, a RAR message is not only received by the UE, but is received over the most-suitable DL beam for that UE. Each RAR message may contain a message-specific scheduling-delay indicator in the UL grant carried in the RAR message to provide an adjustable time delay for the UE's uplink transmission scheduled by the UL grant. Multiple RAR transmissions can schedule a single UL transmission at a specific time instance or different UL transmissions at different time intervals. The UE may report to the base station the best DL RAR transmission detected by the UE. |
US11464041B2 |
Network node, user device and methods thereof
The disclosure relates to a network node and a user device. The network node is configured to determine a resource indicator comprising a single resource allocation value that specifies a first start index and a first number of frequency resources. The first start index and the first number of frequency resources are used for allocating a first set of contiguous frequency resources within a first sub-band, and a corresponding first set of contiguous frequency resources within a second sub-band. The first sub-band and the second sub-band are non-overlapping and comprise equal number of frequency resources. The network node includes a transceiver configured to transmit a transmission grant comprising the resource indicator to the user device. |
US11464040B2 |
Data transmission method and apparatus
A data transmission method includes: receiving an uplink grant message from a network device, where the uplink grant message includes first information, and the first information corresponds to a plurality of transport block sizes; determining the plurality of transport block sizes based on the first information; determining, based on a size of to-be-sent data, a first transport block size from the plurality of transport block sizes; and sending the to-be-sent data to the network device based on the first transport block size. |
US11464032B2 |
Sequence-based signal processing method and apparatus
A sequence-based signal processing method and apparatus are provided. A sequence meeting a requirement for sending a signal by using a physical uplink control channel (PUCCH) is determined, where the sequence is a sequence {fn} consisting of N elements, fn is an element in the sequence {fn}, and the determined sequence {fn} is a sequence meeting a preset condition; then, the N elements in the sequence {fn} are respectively mapped to N subcarriers to generate a first signal; and the first signal is sent. By using the determined sequence, when a signal is sent by using a PUCCH, a low sequence correlation can be maintained, and a relatively small peak-to-average power ratio (PAPR) value and cubic metric (CM) value can also be maintained, thereby meeting a requirement of a communication application environment in which a signal is sent by using a PUCCH. |
US11464022B2 |
Method and apparatus for transmitting PPDU in WLAN system
A method and an apparatus for transmitting a PPDU in a WLAN system are proposed. Specifically, a transmitter generates a PPDU and transmits the PPDU to a receiver. The PPDU includes a legacy field and an EHT field. The legacy field includes an L-STF. The EHT field includes a data field. The legacy field is configured on the basis of a CSD value per a transmission chain. The CSD value is determined by a candidate CSD value that is the minimum of the sums of a first absolute value and a second absolute value on the basis of a power ratio. The power ratio is a ratio of received power of the L-STF to received power of the data field. The first absolute value is an absolute value of a value related to 5 percent of a CDF relative to the power ratio. The second absolute value is an absolute value of a value related to 95 percent of the CDF relative to the power ratio. |
US11464015B2 |
Flexible bandwidth assignment to spot beams
A wireless communication platform utilizes flexible bandwidth assignment to re-allocate bandwidth between spot beams. The platform may assign a first combination of frequency and polarization (FP) to a first spot beam and a second combination of frequency and polarization to a second spot beam that is adjacent and at least partially overlapping the first spot beam. The platform may assign to the first spot beam a reserved combination of frequency and polarization during a first time period, and at second time, assign the reserved combination to the second spot beam. The platform may also assign the reserved combination simultaneously to adjacent spot beams by managing user of the reserved combination by geographically isolated terminals in the spot beams. The platform may further assign different portions of the reserved combination to adjacent spot beams without geographical limitations. |
US11464013B2 |
Coordinated link adaptation and packet scheduling in dynamic spectrum sharing
An apparatus including circuitry configured to define a spatial beam codebook of size NB on the basis of radiation patterns of an antenna array of a base station of a radio access network, which utilizes inter-radio-access technology, wherein each beam corresponds to a radiation pattern whose main lobe is uniquely directed to an angular direction with respect to the antenna array. The apparatus further includes circuitry configured to assign a spatial beam index from the spatial beam codebook for a candidate user equipment of the radio access technology; circuitry configured to assign a set of subcarriers for candidate user equipment of the radio access technology for each spatial beam index; and circuitry configured to use the assigned sets of subcarriers and spatial beam indices of the other radio-access-technology for one or more of resource pool partitioning, link-adaptation, and packet scheduling for the candidate user equipment. |
US11464007B2 |
Method and device for determining TBS in NR V2X
Provided are a method for performing sidelink transmission by a first device (100) in a wireless communication system, and a device for supporting same. The method comprises the steps of: determining a transport block size (TBS) on the basis of whether at least one of an automatic gain control (AGC) symbol and a guard period (GP) symbol is used for sidelink transmission; and performing the sidelink transmission with respect to a second device (200) on the basis of the determined TBS, wherein the AGC symbol may be a symbol which a first device (100) uses for AGC, and the GP symbol may be a symbol which the first device (100) uses for TX/RX switching. |
US11464005B2 |
Semi-persistent scheduling confirmation
A wireless device may receive configuration information for a plurality of periodic resource allocations. A downlink control information (DCI) may be received comprising an indication of activation or release of at least one periodic resource allocation of the plurality of periodic resource allocations. After receiving the DCI, a medium access control (MAC) subheader comprising a logical channel identifier (LCID) that identifies a confirmation MAC control element may be sent. The confirmation MAC control element may comprise a plurality of fields, and at least one of the plurality of fields may indicate receipt of the indication of activation or release by using a same value to indicate either the activation or the release. |
US11464003B2 |
Control information transmission method, user equipment, and base station
In a control information transmission method according to present disclosure, a user equipment acquires configuration information of an enhanced physical downlink control channel (EPDCCH) set. The user equipment determines, according to the configuration information and from the EPDCCH set, at least one EPDCCH set in which an EPDCCH needs to be monitored. The user equipment monitors an EPDCCH on a resource corresponding to the at least one EPDCCH set, to acquire control information sent by a base station. |
US11464000B2 |
Information indication method, terminal device, and network device
This application discloses an information indication method and a related terminal device and network device. The method includes determining, by a terminal device, time domain requirement information of data transmission. The time domain requirement information includes at least one of time adjustment information, jitter time information, time domain resource information, latest sending time information, and remaining duration of the data transmission. The method further comprises sending, by the terminal device, the time domain requirement information to a network device. |
US11463996B2 |
Method and apparatus for indicating resources for uplink control channel in a mobile communication system
The present disclosure discloses 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 of receiving uplink control information in a communication system. The method includes identifying a resource for receiving the uplink control information on a first uplink control channel from a terminal, transmitting first information associated with the resource to the terminal, transmitting second information associated with the resource to the terminal, and receiving the uplink control information on the uplink control channel based on the first information and the second information from the terminal. |
US11463995B2 |
Apparatus and method for transmitting/receiving activation indicator regarding component carrier in wireless communication system
A method for supporting activation/deactivation of serving cells by a base station (BS) in a wireless communication system provides decreased overhead and decreased power consumption for a user equipment (UE). The method includes configuring M supportable serving cells in the UE, configuring an indicator indicating activation/deactivation of each of the M serving cells, configuring a medium access control (MAC) message which includes a MAC control element (CE) and a logical channel identifier (LCID), the MAC CE including the indicator configured for each of the M serving cells and having a length corresponding to an integer multiple of 8 bits, the LCID indicating that the MAC CE includes the indicator indicating activation/deactivation of each serving cell, and transmitting the configured MAC message to the UE. Accordingly, a control channel or data channel regarding a component carrier is selectively received depending on whether the component carrier is activated. |
US11463989B2 |
Systems and methods for facilitating wireless intercom in a local communications network
Systems and methods for facilitating wireless intercom in a local communications network are disclosed. Exemplary implementations may: generate and transmit a first broadcast packet and a second broadcast packet to a set of end-user communication devices; receive a first device-specific packet, on a first channel by a first central antenna and during a first uplink time period; receive a second device-specific packet, on the first channel by the first central antenna and during a second uplink time period; receive the first device-specific packet, on a second channel by a second central antenna and during a third uplink time period; receive the second device-specific packet, on the second channel by the second central antenna and during a fourth uplink time period; generate a third broadcast packet that includes packetized downlink information; and transmit the third broadcast packet to the set of end-user communication devices. |
US11463988B2 |
Uplink broadcast service in a wireless local area network (WLAN)
This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for providing uplink broadcast service connectivity via a wireless local area network (WLAN). In some implementations, a wireless device may transmit an uplink communication to an access point (AP) that supports uplink broadcast services, and the AP may forward the uplink communication to a remote destination indicated in the uplink communication. In some implementations, the wireless device may be in an unassociated state and may transmit the uplink communication without establishing a formal wireless session with the AP. The uplink communication may include a request for the AP to embed AP-provided data to the uplink communication before forwarding it the remote destination. This disclosure includes techniques to prevent flooding and unauthorized uplink communications being used for a denial of service attack on the remote destination. |
US11463987B2 |
Timing advance command for uplink transmission
Provided are a method for skipping contention resolution. According to an embodiment of the present disclosure, the method includes leaving radio resource control (RRC) connected state, while leaving RRC connected state, receiving information on timing advance in a paging occasion, adapting the timing advance and performing transmission based on the adapted timing advance. |
US11463981B2 |
Location information reporting method and apparatus
A location information reporting method includes: a first base station receives a first message from a core network device, where the first message includes first instruction information used to instruct to obtain location information of a terminal device, and the first base station and the core network device have a control plane connection established for the terminal device; and the first base station sends a second message to a second base station, where the second message includes second instruction information, the second instruction information is used to instruct to obtain the location information of the terminal device, and the second base station is configured to provide a service for the terminal device at a current moment. |
US11463980B2 |
Methods and apparatuses using sensing system in cooperation with wireless communication system
Methods and systems are described which use a sensing system in cooperation with a wireless communication system. Coordinate information (which may be from the sensing system, from an electronic device, or from a network-side device) and signal-related information (which may be from the wireless system) are associated with each other. The associated information may be used for wireless communication management, such as beam management operations, among others. |
US11463975B2 |
Base station dynamic range extension
Dynamic range extension of a base station. In one instance, the base station includes a base station modem having a modulator-demodulator, a clock buffer providing an advanced time signal to the modulator-demodulator, a receiver buffer coupled between the modulator-demodulator and a transceiver, a transmitter buffer coupled between the modulator-demodulator and the transceiver, and an electronic processor. The electronic processor is configured to determine a first amount by which to modify a range of a service region of the base station. The electronic processor is also configured to introduce a first delay in the receiver buffer corresponding to the first amount and introduce a second delay in the transmitter buffer corresponding to the first amount. |
US11463973B2 |
Clock synchronization using wireless side channel
Individual clock adjustments between electronic devices are typically based around a round-trip time (RTT) measurement of the reference message between initiating and the receiving devices. With increasing expectations of clock synchronization accuracy, as well as widespread use of wireless data networks, the presently disclosed technology provides a dedicated clock synchronization network that yields a fixed delay between hops and within associated devices of a dedicated clock synchronization network. By accounting for the known delays between hops and within associated devices of the dedicated clock synchronization network, better clock synchronization accuracy can be achieved than prior art techniques that estimate latency based on an RTT measurement. |
US11463970B2 |
Wireless reference signal distribution
The present disclosure relates to a system (100) for wireless reference signal distribution. The system (100) comprises an antenna array (135) comprising a plurality of transceivers (140a, 140b). The antenna array (135) is arranged to transmit and receive a in radio signal via the plurality of transceivers (140a, 140b). The system (100) further comprises a synchronization signal generator (110) arranged to transmit wirelessly at least one synchronization signal. Each synchronization signal comprises at least one time-dependent signal component, wherein the at least one synchronization signal has at least one time-dependent signal component with an amplitude above a predetermined threshold during a total duration of the at least one synchronization signal. Each transceiver (140a, 140b) is connected to a respective synchronization signal receiver (130a, 130b) arranged to receive the at least one synchronization signal. The synchronization signal receiver (130a, 130b) is arranged to generate a reference signal for the respective transceiver (140a, 140b) based on the received at least one synchronization signal. The present disclosure also relates to corresponding methods and computer programs. |
US11463968B2 |
Techniques for signaling synchronization signal burst set patterns
Methods, systems, and devices for wireless communication are described that provide for synchronization signal (SS) burst set patterns in which SSs and broadcast channel transmissions may be transmitted (e.g., in time). A base station may identify a SS burst set pattern indicating positions (e.g., time locations) for SS block transmissions, for example, in bandwidth restricted communication systems. The SS burst set pattern may be determined based on numerology or subcarrier spacing associated with SSs and non-SSs. The base station may transmit an indication of the SS burst set pattern to a wireless device. The wireless device may receive the indication of the SS burst set pattern and determine one or more time locations of SSs (e.g., primary synchronization signal (PSS), secondary synchronization signal (SSS), physical broadcast channel (PBCH) of a SS block). The wireless device may then monitor the identified positions for SSs. |
US11463965B2 |
Additional maximum power reduction for uplink transmission for wireless networks
A technique for power control including receiving, by a user device, a resource block allocation for uplink transmission that includes one or more resource blocks within a frequency channel; determining at least one resource allocation region for which an uplink resource block allocation within the resource allocation region will require an additional maximum power reduction (e.g., to reduce interference to a protected frequency band); and applying, by the user device, the additional maximum power reduction for a transmission power of the user device based on the resource block allocation being within the at least one resource allocation region. |
US11463958B2 |
Communication device
[Object] To provide a mechanism that makes it possible to reduce electric power to be consumed to wait for reception of signals.[Solution] A communication device comprising a control section configured to perform control in such a manner as to wait for reception of a second signal transmitted from another communication device after a first signal is transmitted to the other communication device. |
US11463956B2 |
Techniques and apparatuses for wakeup signal transmission
A method, an apparatus, a base station, a user equipment (UE), and a computer program product for wireless communication are provided. The base station may encode a wakeup signal so that a preamble of the wakeup signal indicates whether the wakeup signal is relevant to the UE. The UE may select a technique for detecting the wakeup signal based at least in part on a partial, full, or no synchronization. In some aspects, the wakeup signal may be encoded with a system frame number. In some aspects, wakeup signals for guardband/standalone UEs are provided. Numerous other aspects are provided. |
US11463955B2 |
Method for implementing low power consumption on standby for bluetooth security device and bluetooth security device
A method for implementing low power consumption on standby for a Bluetooth security device. The method comprises: a security module is waked up by a Bluetooth module and configures a working mode as the state of self; a security module determines whether data from the Bluetooth module is received by a fifth preset time; if yes, then executes a corresponding operation on the basis of the received data to produce an operation result, returns the operation result to the Bluetooth module, configures a low power consumption standby mode as the state of self, and waits to be waked up by the Bluetooth module; and if not, then configures the low power consumption standby mode as the state of self, and waits to be waked up by the Bluetooth module. The Bluetooth security device disclosed comprises the security module and the Bluetooth module, where the security module comprises a first configuration module, a first receiving module, a first determining module, an execution module, a first transmitting module, a second configuration module, and a waiting module. The method and the Bluetooth security device in the present invention are of great power saving effects, and the standby time of the Bluetooth security device is extended. |
US11463943B2 |
Transmission of discovery reference signals on unlicensed carrier in a wireless network
An example technique may include transmitting, by a base station via a component carrier in a licensed band, control information including a resource allocation that identifies time-frequency resources for periodical transmission opportunities to be used for the conditional transmission of discovery reference signals via a secondary component carrier in an unlicensed band, determining, prior to each transmission opportunity, whether the secondary component carrier in the unlicensed band is unoccupied, and transmitting, if the secondary component carrier in the unlicensed band is unoccupied, the discovery reference signals via the secondary component carrier in the unlicensed band using the identified time-frequency resources to one or more user devices. |
US11463941B2 |
Method for acquiring system information, and terminal device and network device
Embodiments of the application provide a method for determining system information, and a terminal device and a network device. The method comprises: a terminal device sending a first random access preamble to a network device; the terminal device receiving a media access control (MAC) protocol data unit (PDU) sent by the network device, wherein the MAC PDU comprises at least one random access response (RAR); and the terminal device determining, according to the at least one RAR, system information to be sent by the network device. |
US11463934B1 |
Zero overhead on-demand multi/uni-casting in MANET
A multi-node communication network and method for sending data within a multi-node communication network are disclosed. The network includes a source communication node, a destination communication node, and one or more relay communication nodes. The communication nodes include a communication interface and a controller communicatively coupled to the communication interface configured to transmit, receive, or relay a data packet. The data packet includes a route request and a route request priority index, which is configured to provide a determining factor indicating that a route response may be combined with a position location transmission. Once received by the destination communication node, a route response may be combined with a PLI transmission and transmitted, depending on the indication by the route request priority index. |
US11463933B2 |
Communication controller, terminal device, and base-station device
A communication controller includes a position-information acquiring unit, a movement-information acquiring unit, a selector, and a determination unit. The position-information acquiring unit acquires position information of each of a plurality of base-station devices. The movement-information acquiring unit acquires movement information of a terminal device. The selector selects, as a handover candidate, at least one base-station device from among the plurality of base-station devices in accordance with the position information and the movement information. The determination unit determines a base-station device that is a handover destination, in accordance with a result of a cell search performed on the at least one base-station device selected by the selector. |
US11463932B2 |
Device and method for performing measurement related to handover in wireless communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A device and a method for performing a measurement related to handover are provided. A operation method of a terminal in a wireless communication system, according to various embodiments of the disclosure, comprises the steps of: receiving, from a base station, configuration information on at least one handover event corresponding to an elevation state of the terminal; and transmitting, to the base station, a measurement report message in response to the occurrence of the at least one handover event. Therefore, the device and the method, according to the various embodiments of the disclosure, can efficiently perform a measurement and/or a report for handover, and can prevent unnecessary handover and handover performance deterioration. |
US11463929B2 |
Method for transmitting and receiving signal related to handover from 5GS to EPS in wireless communication system and device therefor
An embodiment of the present invention relates to a method for an access and mobility management function (AMF) transmitting and receiving a signal related to a handover from 5GS to an evolved packet system (EPS) of a user equipment (UE) in a wireless communication system the method comprising a step in which the AMF receives a handover required message from a next-generation radio access network (NG-RAN); a step in which the AMF requests a session management (SM) context to a packet data network gateway+session management function (PGW+SMF); a step of receiving an SM context from the PGW+SMF; and a step in which the AMF transmits a handover command to the NG-RAN, wherein the SM context request is for a PDU session associated with 3GPP access among a plurality of protocol data unit (PDU) sessions. |
US11463926B2 |
User equipment and base station apparatus
A user equipment has a reception unit configured to receive from a base station apparatus a measurement configuration including an event that sets a condition for sending a measurement report, a control unit configured to perform a measurement based on the measurement configuration, and a transmission unit configured to send to the base station apparatus, when the condition for sending a measurement report is met, a measurement report based on a result of the performed measurement, wherein the control unit determines, based on the result of the performed measurement, a period with which a measurement is performed. |
US11463924B2 |
Cell configuration method, terminal, and network node
A cell configuration method, a terminal, and a network node are provided. The method includes: receiving a configuration message sent by a network, wherein the configuration message includes cell configuration information and trigger condition information; in a case that the terminal meets the trigger condition information, using the cell configuration information to perform cell configuration. |
US11463923B2 |
Supplementary uplink in wireless systems
Supplementary uplink (SUL) may be used in wireless systems. Cell suitability criteria may be provided for cells configured with SUL. A Wireless Transmit/Receive Unit (WTRU) may receive paging with an indication of a carrier (e.g., SUL or regular uplink (RUL)) in which to initiate part or all of an initial access. A WTRU that may be performing response-driven paging may provide (e.g. explicit) beam information for beamforming of a paging message on a non-beamformed SUL. A handover (HO) procedure (e.g., carrier selection, configuration handling, HO failure, etc.) may be provided for a WTRU with a configured SUL. A WTRU may request a change of a configured UL. A WTRU may (e.g., autonomously) perform a switch to a different (e.g., configured) uplink, for example, when one or more conditions may be met (e.g., conditional switch). Semi-persistent scheduling (SPS) resources/configuration may be relocated from a first UL to a second UL. |
US11463922B2 |
Multi-subscription measurement reporting
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may tune away from a first wireless network associated with a first subscription of the UE to a second wireless network associated with a second subscription of the UE. The UE may transmit, after tuning back to the first wireless network, a measurement report, outside of a scheduled measurement reporting occasion for the first wireless network. Numerous other aspects are provided. |
US11463921B2 |
Policy control method, apparatus, and system
A policy control method includes receiving, by a policy control network element, an update request message carrying information about a first mobility management network element from the first mobility management network element, updating, by the policy control network element according to the update request message, information about a second mobility management network element in information of a policy association corresponding to a terminal that is stored in the policy control network element to information about the first mobility management network element. The policy control network updates the information about the second mobility management network element in the information of the policy association to the information about the first mobility management network element instead of deleting the policy association and re-establishing a policy association with the first mobility management network element. |
US11463917B2 |
Monitoring and reporting quality of service occurrences in a wireless network
A user plane function receives, from a session management function, a request for at least one quality of service (QoS) report for a data flow, the request indicating: a QoS event; and a first QoS value for the QoS event. Monitoring packets for monitoring a second QoS value of the data flow are sent to a base station. A determination is made of an occurrence of the QoS event based on the second QoS value and the first QoS value. An indication of the occurrence is sent to the session management function. |
US11463914B2 |
Application identification and path selection at a wireless access point for local network traffic breakout
A wireless access point comprises a memory; and one or more processors operably coupled to the memory configured to: receive a first packet for an application; configure an initial packet flow for the application including a first forwarding action to send traffic for the application via a tunnel path; learn the application of the first packet; generate, based on a policy of the application, an entry in an application server address cache specifying an address of the application server and a second forwarding action to send traffic for the application via a local breakout path; receive a second packet for the application; and configure, in response to determining that a destination address of the second packet matches the entry in the application server address cache, a subsequent packet flow for the application including the second forwarding action to send traffic for the application via the local breakout path. |
US11463913B2 |
Radio base station, radio communication system, and flow control method
The radio base station includes a central node and a distributed node. The central node at least implements the functions of a PDCP layer. The distributed node at least implements the functions of a RLC layer. The distributed node transmits, to the central node, flow control information for performing flow control per each group of a plurality of user terminals. The central node performs flow control of data to be transmitted to the bearers assigned to a plurality of user terminals belonging to the each group, based on the flow control information. |
US11463911B2 |
Techniques for controlling computational resources of a radio access network
A radio access system includes: a set of radio access entities, in particular a set of gNBs and/or ng-eNBs, which are interconnected via respective first interfaces; and a centralized resource controller. Each radio access entity of the set of radio access entities comprises a centralized unit (CU) and at least one distributed unit (DU) coupled to the CU via a second interface. The centralized resource controller configured to assign computational resources to the CUs and the DUs of the radio access entities based on measurement reports received via the first interfaces and/or the second interfaces from the respective units, wherein the measurement reports comprise information about a computational resource utilization of the respective units. |
US11463910B2 |
Load balancing solution for co-operative broadcasting in a wireless communication system
The invention relates to a wireless communication system comprising a plurality of radio devices. Each radio device belongs to one or more radio neighborhoods and is capable of repeating the transmission of the broadcast message regardless of whether the radio device is operating as a router device or as a non-router device. The radio devices belonging to each radio neighborhood are configured to repeat collectively a transmission of a broadcast message a collective target amount of repetitions within each radio neighborhood. Each radio device within each radio neighborhood to which it belongs is arranged to: define a total repetition load value representing a contribution of said radio device to the collective target amount of repetitions of the broadcast message within said radio neighborhood, and decide whether to repeat the transmission of the broadcast message in accordance with the defined total repetition load value. The invention relates also to a method for the wireless communication system, a radio device for the wireless communication system, a method for the radio device, a computer program, and a tangible non-volatile computer readable medium. |
US11463904B2 |
Method and apparatus for selecting carrier 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 controlling a terminal in a base station of a mobile communication system, according to an embodiment of the present application, comprises the steps of: selecting at least one candidate terminal for offloading; obtaining information on a neighbor cell of at least one of the candidate terminals; obtaining throughput improvement information according to offloading on the basis of information on the candidate terminal and load information of the neighbor cell of the candidate terminal; obtaining information on a target cell corresponding to the candidate terminal on the basis of the throughput improvement information; selecting a target terminal to be offloaded from the candidate terminals on the basis of the throughput improvement information corresponding to the target cell; and transmitting, to the target terminal, a message instructing offloading to the target cell corresponding to the target terminal. |
US11463902B2 |
Quality of service flow mapping handling for the support of V2X communication
Wireless communication systems and methods related to quality of service mapping, are provided. A first user equipment determines a sidelink radio bearer identifier (SLRB ID) for a quality of service (QoS) flow from a plurality of rules. The rules identify different characteristics of the QoS flow. The SLRB ID is inserted into a header of a packet in the QoS flow. The QoS flow is mapped to a radio bearer that is mapped to an L2 link with other radio bearers that are mapped to other QoS flows. The L2 link transmits the radio bearers to a second UE as part of a broadcast, groupcast or unicast sidelink communication. Based on the SLRB ID, the second UE identifies requirements of the QoS flow. |
US11463900B2 |
Systems and methods for application-anonymous rule authorization and enforcement in a wireless network
A system described herein may provide a technique for applying an authorized set of traffic parameters, such as network slicing parameters, Quality of Service (“QoS”) parameters, etc. to traffic associated with a particular application, without exposing an identifier of the traffic to one or more network devices of a network that handles the traffic. An authentication system of some embodiments may generate a tokenized version of the application. A User Equipment (“UE”) may extract a token from the tokenized application and identify a set of traffic parameters based on then token. The UE may apply the traffic parameters to outbound traffic associated with the application, and the network may determine whether such traffic parameters are authorized for a destination associated with the traffic based on an authorization of the destination for the particular traffic parameters. |
US11463898B2 |
Systems, methods, and devices for electronic spectrum management
Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. Signal data is compared with stored data to identify the signal of interest. Signal degradation data is calculated based on noise figure parameters, hardware parameters and environment parameters. |
US11463894B2 |
System and method for securely hosting multiple network operators in a shared spectrum access system on a single virtual base station environment
Disclosed is a virtual base station capable of hosting multiple network operators and/or private networks in a single compute environment. The virtual base station includes a plurality of virtual baseband processors configured to communicate with the plurality of mobile network operators, a supervisor module, a fronthaul network interface configured to be coupled to one or more remote units, and a KPI (Key Performance Indicator) coordinator module coupled to the supervisor module and the one or more virtual baseband processors. The base station may have on or more CBRS (Citizens Broadband Radio Service) Daemons to act as a proxy for obtaining grants to CBRS channels and allocating the CBRS channels to the mobile network operators. |
US11463890B2 |
Location change managing device, location change managing method, and recording medium in which location change managing program is stored
A location change managing device includes: a generation unit that, when a communication environment by wireless communication apparatuses changes from a first state to a second state, generates location candidates for the wireless communication apparatuses in the second state so as to be different from locations of the wireless communication apparatuses in the first state; an estimation unit that estimates communication quality pertaining to the location candidates by the wireless communication apparatuses in the first state; a calculation unit that calculates, with respect to the location candidates, a location change cost required for changing the locations of the wireless communication apparatuses from the locations in the first state to the location candidates; and a selection unit for selecting a specific location candidate, from among the location candidates, that satisfies criteria, the selection being made based on the communication quality pertaining to the location candidates and the location change cost. |
US11463889B2 |
Communication-performance characterization via augmented reality
An electronic device that assesses communication performance is described. During operation, the electronic device receives information specifying a location in an environment. For example, the information may correspond to user-interface activity associated with a user interface. Notably, the user interface may include an augmented reality and the user-interface activity may include defining the location, such as by dropping a pin in the augmented reality. Then, the electronic device provides the information to an access point and/or a controller of the access point, where the location is within communication range of the access point. Next, the electronic device receives, from the access point and/or the controller, measurements of one or more communication performance metrics at or proximate to the location during a time interval. Moreover, the electronic device provides a graphical representation of the communication performance at or proximate to the location based at least in part on the measurements. |
US11463887B2 |
Systems and methods for network coverage optimization and planning
A system identifies first areas of a plurality of areas of a wireless network for wireless site installation. The system performs machine learning to associate measured network performance parameters within the wireless network with empirical data related to at least one of population, residential buildings, or business buildings within the identified first areas of the wireless network. The system optimizes, based on the machine learning, geographic placement of prospective wireless sites within each of the identified first areas of the wireless network to maximize improvements in network performance parameters associated with installing the prospective wireless sites. The system provides optimized wireless site placement recommendations for wireless site installation in each of the identified first areas. |
US11463884B2 |
Method and system for determining an interference contribution from a time division duplexing system
Techniques are provided for more accurately determining interference contribution at a point in a neighborhood of a time division duplexing (TDD) system operating in shared frequency spectrum. If at least one TDD radio, of a TDD system, is in the neighborhood, then determine a largest interference level, at the point in the shared frequency spectrum, by a TDD radio of the TDD system, where the TDD radio is in the region around the point. The largest interference level is selected as the aggregate interference contribution of the TDD system for interference analysis in the shared spectrum at the point. |
US11463878B1 |
Methods, systems and computer program products for processing unwanted text messages
Some embodiments of the present inventive concept provide methods for processing unwanted text messages based on reporting of sending telephone in a telecommunications system. The method includes retrieving aggregated data associated with sending telephone numbers from a central repository accessible by a plurality of Carriers. The retrieved aggregated data is analyzed to identify sending telephone numbers that satisfy flagging criteria. The flagging criteria indicates a threat level associated with text messages sent from corresponding telephone numbers. Preventative and/or remedial action is implemented for each telephone number identified as satisfying flagging criteria. A severity of the preventative and/or remedial action is directly correlated with the threat level associated with the flagging criteria. Each of these sending telephone numbers is actively monitored. The severity of the preventative and/or remedial action is increased and/or decreased for each actively monitored sending telephone number periodically based on newly received reports. |
US11463876B2 |
Physical verification and authorization for wireless control of a network
A mobile device logs in to an authorization server, via a mobile device network communication interface, over a secondary network. The mobile device receives, via an image sensor, over a light communication band, a respective verification code. In response to logging in to the authorization server and receiving the respective verification code, the mobile device transmits, via the mobile device network communication interface over the secondary network, the respective verification code to the authorization server. In response to transmitting the respective verification code to the authorization server, the mobile device obtains, via the mobile device network communication interface over the secondary network, an authentication approval to control a plurality of RF nodes over a local wireless communication network. |
US11463875B2 |
Detection of system information modification using access stratum security mode command
A user equipment (UE) may receive system information from a base station and may calculate a hash value using the system information as input to a hashing function. Similarly, prior to transmitting the system information, a valid base station may calculate a hash value using the system information as input to a hashing function. The base station may transmit the calculated hash value (e.g., which represent or be included in a set of hash values) to the UE in an access stratum (AS) security mode command (SMC) message. The UE may determine whether the received system information was modified based on the hash value (e.g., by comparing the UE calculated hash value and the set of hash values received from the base station in the AS SMC). If the UE indicates a mismatch of hash information, the base station may re-transmit the system information (e.g., in an integrity protected message). |
US11463874B2 |
User profile, policy, and PMIP key distribution in a wireless communication network
An authentication server may be adapted to (a) authenticate an authentication peer seeking to establish communications via a first network access node; (b) retrieve user profile information associated with the authentication peer; and/or (c) send the user profile information to a network gateway node that facilitates communication services for the authentication peer. A PMIP network node may be adapted to (a) provide wireless network connectivity to an authentication peer via a first network access node; (b) provide a PMIP key to both ends of a PMIP tunnel between the first network access node and a PMIP network node used to provide communications to the authentication peer; (c) provide the PMIP key to a first authenticator associated the first network access node; (d) receive a request at the PMIP network node from a requesting entity to reroute communications for the authentication peer; and/or (e) verify whether the requesting entity knows the PMIP key. |
US11463873B2 |
Communication method and device
The present disclosure discloses a communication method and a device. The method is performed by a target base station and includes: receiving a handover request from a source base station, where the handover request includes a first key and first indication information, and the first indication information is used to indicate whether the first key is an updated key; and sending second indication information to the source base station based on the handover request, where the second indication information is used to indicate whether an access layer key between the target base station and a terminal device is an updated key. Using the embodiments of the present disclosure helps resolve a problem that a potential security risk exists in data transmitted between the terminal device and the target base station, and helps resolve a problem that a key change of the terminal device is not controlled by the base station. |
US11463871B2 |
Techniques for deriving security keys for a cellular network based on performance of an extensible authentication protocol (EAP) procedure
Techniques are described for wireless communication. A method for wireless communication at a user equipment (UE) includes performing an extensible authentication protocol (EAP) procedure with an authentication server via an authenticator. The EAP procedure is based at least in part on a set of authentication credentials exchanged between the UE and the authentication server. The method also includes deriving, as part of performing the EAP procedure, a master session key (MSK) and an extended master session key (EMSK) that are based at least in part on the authentication credentials and a first set of parameters; determining a network type associated with the authenticator; and performing, based at least in part on the determined network type, at least one authentication procedure with the authenticator. The at least one authentication procedure is based on an association of the MSK or the EMSK with the determined network type. |
US11463865B1 |
Wireless telecommunication service trial via a dual-SIM user device
A network trial platform of a wireless carrier network may receive a request to use trial wireless telecommunication services provided by the wireless carrier network from an instance of a trial application on a user device that is currently using wireless telecommunication services provided by a competitor wireless carrier network. The network trial platform may determine based at least on device information of the user device whether the user device is capable of using of an additional SIM to access the wireless carrier network in addition to using a current SIM to obtain the wireless telecommunication services from the competitor wireless carrier network. In response to a determination that the user device is capable of supporting the use of the additional SIM, the network trial platform may establish a trial subscriber account associated with the user device to provide the user device with access to trial wireless telecommunication services. |
US11463864B2 |
Method for the personalization of integrated circuit cards, corresponding system and computer program product
A method for the personalization of an integrated circuit card, includes: simulating a downloading of a single image corresponding to a fixed part of personalization data of the integrated circuit card; simulating an execution of a sequence of personalization commands for the integrated circuit card to generate a set of personalization data; combining the set of personalization data with the single image to obtain a card image comprising the fixed part of personalization data and the set of personalization data; encrypting the card image to obtain an encrypted single image; and downloading the encrypted single image in a memory of the integrated circuit card. |
US11463862B2 |
System and method for availing a data service by a user equipment
The present disclosure encompasses a system and a method for availing a data service by a user equipment [110] in an international location. In an embodiment, the user equipment [110], in the international roaming, transmits an attach request to a second network, wherein the user equipment [110] configured with a SIM [120]. The user equipment [110] then receives a rejection message or an acceptance message from the second network based on the attach request. On receiving the acceptance message, the user equipment [110] establishes a connection with the second network to extract an IMPI from the SIM, an IMSI from the IMPI; and a network parameter from the IMSI. The user equipment [110] then identifies a configuration parameter of the home network, corresponding to the network parameter. Finally, the user equipment [110] avails the data service using the configuration parameter. |
US11463858B2 |
Interactive closure device and beverage container
An interactive beverage container includes a beverage container that defines an opening which may be sealed by a closure. The closure may further include circuity that is configured to transmit data to a mobile device. When the closure is in a closed configuration with the closure attached to the opening, the circuitry does not transmit data to the mobile device and when the closure is in an open configuration with the closure removed from the opening, the circuitry transmits data to the mobile device. The data may include nutritional information, marketing materials, videos, track loyalty programs, and/or provide games or contests. |
US11463855B2 |
Methods, systems, and devices for providing subscription services to a communication device that shares an operational profile with another communication device
Aspects of the subject disclosure may include, for example, detecting a first bootstrap profile on a first communication device, and detecting a second bootstrap profile on a second communication device. Further aspects can include determining the first bootstrap profile and the second bootstrap profile are a same bootstrap profile, and providing limited services to the second communication device according to the first communication device and the second communication device having the same bootstrap profile. Other embodiments are disclosed. |
US11463849B2 |
Data processing device, data analyzing device, data processing system and method for processing data
The present disclosure provides an enhanced computation of a data model for an intelligent data processing device. The data processing device may be a device having limited computational resources. Accordingly, a system model for processing the data is computed in the local device. Additionally, an enhanced model may be computed in a remote device like a cloud or a data center. For this purpose, the cloud or datacenter is provided with filtered data for computing an enhanced model. The cloud or datacenter may compute an enhanced model and forward the respective model to the local device if the enhanced model is better than the model locally generated. |
US11463847B2 |
System and method for interaction routing by applying predictive analytics and machine learning to web and mobile application context
A system and method that pre-configure a telecommunication path between two users across a network. A server communicates an Application Programming Interface (API) to a website of an entity which, when accessed by a first user at a remote terminal, loads the API into the user terminal, captures data representative of the interaction of the first user with the website in real time, and communicates the data across the network to the server. The server compares the data with stored attributes of second users to identify a matching second user. The data is analyzed and used to predict a successful outcome between the two users. The server selects a network address of the matched second user, and, upon initiation of a telecommunication with the entity by the first user, routes the telecommunication to the network address and communicates the data to a second terminal of the matched second user. |
US11463845B2 |
Providing to a communication service node user plane timing information for an MBMS bearer
A SC informs a communication service (CS) node (e.g., GCS AS) of a data transfer start time for the bearer (i.e., the user plane ready time for the bearer). Additionally, in some embodiments, the SC informs the communication service node (e.g., GCS AS) as to a data transfer stop time for the bearer. This provides a distinct advantage because the CS node will now have information as to when it should start (and stop) data delivery, thereby leading to a higher quality of experience (QoE) of MBMS delivery. |
US11463844B2 |
Reliable link layer multicast in a low power wide area network
A management device for a low power wide area network can: generate and send, to each constrained wireless network device via a wired gateway, a link layer multicast listener command specifying a listening interval and causing each constrained wireless network device to change from a low-power optimized mode to a listening mode until reception of a multicast data packet within the listening interval; generate collision avoidance parameters including a minimum waiting interval, a maximum waiting interval relative to the listening interval, and a redundancy constant; and instruct the wired gateways to selectively transmit the multicast data packet based on the collision avoidance parameters, wherein each wired gateway responds by waiting a randomly-selected wait interval between the minimum and maximum waiting intervals, and selectively transmitting the multicast data packet only if a received number of the multicast data packet by the corresponding wired gateway is less than the redundancy constant. |
US11463838B2 |
Method to share information between proximal mobile devices
A method is provided that provides information exchange between mobile devices that are near each other. Upon determining that a first mobile device is located near a second mobile device, information is exchanged between a first virtual personal assistant associated with the first mobile device and a second virtual personal assistant associated with the second mobile device. The information is compared to identify an overlapping topic in the information. If there is overlapping information, the users of the mobile devices are alerted to the overlapping topic. |
US11463830B2 |
Discrimination of light interference in a MEMS microphone
A microelectromechanical system (MEMS) microphone includes a cavity to receive an acoustic signal. The acoustic signal causes movement of a diaphragm relative to one or more other surfaces, which in turn results in an electrical signal representative of the received acoustic signal. A light sensor is included within the packaging of the MEMS microphone such that an output of the light sensor is representative of a light signal received with the acoustic signal. The output of the light sensor is used to modify the electrical signal representative of the received acoustic signal in a manner that limits light interference with an acoustical output signal. |
US11463828B2 |
Acoustic devices with inwardly-facing transducers
Sound-producing acoustic receivers and hearing devices implementing such receivers are disclosed. The acoustic receiver includes a receiver housing, an output port, a receiver motor assembly, and a transducer. The receiver housing includes a diaphragm that separates the receiver housing into a back volume and a front volume. The output port is located on the receiver housing and acoustically coupled to the front volume of the receiver housing. The receiver motor assembly is disposed in the back volume and is mechanically coupled to the diaphragm. The transducer is fastened to the receiver housing. |
US11463822B2 |
Hearing assistive device with increased dynamic input range
A hearing assistive device including an audio processing circuit with an analog-to-digital converter having an integrator integrating a voltage present in the summation point; a comparator comparing an output from the integrator with a reference voltage (Vref) and outputting a logical level in accordance with the comparison; a feedback loop coupling a feedback signal back to the summation point; and a reference voltage generation circuit being adapted to provide the reference voltage (Vref) being lower than a power supply voltage (Vbattery) and following the decay of the power supply voltage (Vbattery) with a predefined margin. |
US11463820B2 |
Hearing aid comprising a directional microphone system
A hearing aid comprises a forward path comprising a) at least two input transducers, each for picking up sound from the environment of the hearing aid and providing respective at least two electric input signals; b) a beamformer filter for filtering said at least two electric input signals or signals originating therefrom and providing a spatially filtered signal; c) a signal processor for processing one or more of said electric input signals or one or more signals originating therefrom, and providing one or more processed signals based thereon; and d) an output transducer for generating stimuli perceivable by the user as sound based on said one or more processed signals. The hearing aid further comprises e) a feedback estimation system for estimating a current feedback from the output transducer to each of the at least two input transducers and providing respective feedback measures indicative thereof; and f) a controller configured to receive said feedback measures from said feedback estimation system and to switch between two modes of operation of the hearing aid, a one-input transducer (e.g. omni-directional) mode of operation, and a multi-input transducer (directional) mode of operation, in dependence of the feedback measures. to. The application further relates to a method of operating a hearing aid. Thereby the gain provided by the hearing aid to the user (without a significant risk of howl) can be maximized. |
US11463818B2 |
Hearing system having at least one hearing instrument worn in or on the ear of the user and method for operating such a hearing system
A hearing system assists the hearing of a user and has a hearing instrument worn in or on the ear of the user. In operation, a sound signal from surroundings of the hearing instrument is received by an input transducer and modified in a signal processing step. The modified sound signal is output by an output transducer. A first signal component and a second signal component are derived from the received sound signal, wherein these signal components chronologically overlap. In the first signal component, the ego voice of the user is emphasized over the ambient noise, while in the second signal component, the ambient noise is emphasized over the ego voice of the user. The first signal component and the second signal component are processed in different ways in the signal processing step and combined after this processing to generate the modified sound signal. |
US11463816B2 |
Directional MEMS microphone with correction circuitry
A microphone assembly is provided, comprising a transducer assembly including a first enclosure defining a first acoustic volume and a Micro-Electrical-Mechanical-System (“MEMS”) microphone transducer disposed within the first enclosure. The microphone assembly also includes a second enclosure disposed adjacent to the first enclosure and defining a second acoustic volume in acoustic communication with the first acoustic volume, the second enclosure including an acoustic resistance, wherein the first and second acoustic volumes, in cooperation with the acoustic resistance, create an acoustic delay for producing a directional polar pattern. Circuitry comprising a shelving filter configured to correct a portion of a frequency response of the MEMS microphone transducer is also provided. In some embodiments, the circuitry is embedded within the transducer assembly or at least included within the microphone assembly. In other embodiments, the circuitry is located on a cable that is electrically connected to a connection port of the microphone assembly. |
US11463815B2 |
Yoke assembly for two-way receiver and two-way receiver having the same
Disclosed are a yoke assembly having a magnetic field aggregation structure and a two-way receiver having the same. The yoke assembly for a two-way receiver provided in a two-way receiver having two speaker units sharing a portion of a magnetic field, includes a yoke including a cylindrical portion having a circular bottom surface and a side wall and a flange portion extending externally from an upper end of the side wall of the cylindrical portion and a first magnetically permeable plate attached to an upper surface of the flange portion. |
US11463809B1 |
Binaural wind noise reduction
A wind noise suppression system may include a local wind noise suppression block, a receiver, and a wind noise suppression fusion block. The local wind noise suppression block may be configured to analyze an audio signal and generate, based on the audio signal, local wind noise information associated with a first device comprising the wind noise suppression system, wherein the local wind noise information includes parameters for suppressing local wind noise at the first device. The receiver may be configured to receive remote wind noise information associated with a second device, wherein the remote wind noise information includes parameters for suppressing remote wind noise at the second device. The wind noise suppression fusion block may be configured to combine the local wind noise information and the remote wind noise information into fused wind noise information and apply parameters of the fused wind noise information to modify audio information for playback to an audio transducer of the first device. |
US11463806B2 |
Non-transitory computer-readable storage medium for storing sound signal conversion program, method of converting sound signal, and sound signal conversion device
A method includes: generating a first and second shift signal by using a phase of a sound signal regarding an M-channel or a S-channel, the sound signal of the M-channel and the sound signal of the S-channel being obtained by using a mid-side microphone, the sound signal of the S-channel including a positive channel and a negative channel, the first shift signal being configured to reduce a phase difference caused by a difference between a sound arrival distance to the M-channel and a sound arrival distance to the positive channel of the S-channel, the second shift signal being configured to reduce a phase difference caused by a difference between the sound arrival distance to the M-channel and a sound arrival distance to the negative channel of the S-channel; and approximately converting the first or second shift signal into an L-channel signal and an R-channel signal of an XY-microphone. |
US11463805B1 |
Speaker
A speaker includes a rubber cabinet, a driver, and a metal connection ring. The rubber cabinet is fixed to a case of an electronic device. The rubber cabinet accommodates the driver, and the metal connection ring is connected between the rubber cabinet and the driver. Moreover, the metal connection ring surrounds the driver, and the rubber cabinet surrounds the metal connection ring. |
US11463804B2 |
Panel loudspeakers constructed of panels with viscoelastic damping material
A loudspeaker system with viscoelastic material affixed between two flexible panels is disclosed. The loudspeaker system dissipates the energy of motion, resulting in less pronounced resonant peaks. The effect may be especially evident at high frequencies, where energy is dissipated over many cycles in a shorter period of time. Also disclosed are the method of making the loudspeaker system and a method of using the loudspeaker system. |
US11463792B2 |
Multi-configurable headset support apparatus
A multi-configurable headset support apparatus is provided, having at least one earcup having front-facing and rear-facing posts. First and second suspension wires and a helmet mount are each provided with loops at opposite ends that are attachable to the earcup posts. A support band is securable to the suspension wires. When the first suspension wire is attached to the posts and the support band is secured to the first suspension wire, the support band is attached in an upward configuration atop a wearer's head. When the second suspension wire is attached to the posts and the support band is secured to the second suspension wire, the support band is attached in a rearward configuration on the back of the wearer's head. The posts are preferably retractably spring-biased into the earcup; the spring force secures the loop disposed on the post shaft against the earcup via the post head. |
US11463789B2 |
Interactive multimedia structure
Systems, methods, apparatuses, and computer program products for an interactive multimedia structure. For example, the interactive multimedia structure may include a plurality of walls on a majority of which an immersive environment is displayed. A user may interact with the immersive environment through manipulation of a user input device, which may be tracked by one or more systems associated with the interactive media structure. Based on the manipulation, the one or more systems may modify the immersive environment displayed on the majority of the walls. In certain embodiments, the one or more systems may process interaction information of the user with the one or more user input devices to adaptively and intelligently modify the immersive environment. |
US11463785B2 |
Automated identification of video program content
Various systems, devices and methods automatically identify advertisements or other portions of television or other media content prior to broadcast using automated content analysis. Information about identified content may be used for any number of different purposes, including advertisement identification; advertisement replacement; second screen browsing or augmentation of identified content; tracking of times or places that ads or other content are viewed; and many others. |
US11463783B2 |
In-band trick mode control
A server may receive metadata associated with specific content in a transport signal stream from a content information service. The metadata may identify a point in time of the transport signal stream. The server may instruct an encoder to insert a marker into the transport signal stream corresponding to the point in time of the transport signal stream. The marker may indicate control of a trick mode to be enforced by a delivery platform subsequent to the point in time of the transport signal stream. The server may record the marker in a data store associated with the server. |
US11463782B2 |
User device control of transmission parameters
A method of controlling, from a user device, a manner in which program content is received from a content server. The method includes: transmitting, from the user device, at least one transmission-quality-of-service (TXQ) parameter to the content server, wherein the at least one TXQ parameter updates a default TXQ parameter at the content server; and in response to transmitting the at least one TXQ parameter, receiving new program content in accordance with the at least one TXQ parameter. |
US11463781B2 |
System of capture and sharing of media
Disclosed herein are system, method, and computer program product embodiments for a system of capturing and sharing media. In an embodiment, a request for multimedia content is received from a requesting device comprising a tuner to which the requested multimedia content is unavailable. A first device of the plurality of devices to which the requested multimedia content is currently available is selected, the first device using a narrow band tuner tuned to the requested multimedia content. Access is provided to the requested multimedia content to the requesting device from the first device. It is determined that the narrow band tuner of the first device is changed from the requested multimedia content to different content. A second device of the plurality of devices to which the requested multimedia content is currently available is selected and access to the requested multimedia content is provided to the requesting device from the second device. |
US11463772B1 |
Selecting advertisements for media programs by matching brands to creators
Advertisements for brands that are to be aired during media programs are selected based on similarities between the brands and creators of the media programs. As a media program is being aired, data representing content of a media program is processed to identify words being spoken or sung during the media program and sentiments associated with the media program. The media program is classified based on the words and sentiments, and a classification of the media program is compared to attributes of advertisements to determine which of the advertisements is best suited for airing during the media program. Additionally, a set of words that, if spoken or sung during a media program would establish conditions favorable to a given advertisement may be identified and provided to a creator. |
US11463766B2 |
Providing alternative advertising content
Methods and systems of providing alternative targeted advertising (TAD) content are shown and disclosed. In one embodiment, the method includes outputting a first TAD content during a TAD window, and receiving at least one user input requesting different TAD content during the TAD window. The method additionally includes outputting the different TAD content instead of the first TAD content during the TAD window after at least one predetermined amount of time from start of the TAD window in response to the at least one user input. In some embodiments, the method may further include re-outputting the first TAD content instead of the different TAD content during the TAD window in response to receiving user input requesting different TAD content when the predetermined amount of time associated with each of the different TAD content already has elapsed before receiving the user input. |
US11463765B2 |
Media channel identification and action with multi-match detection based on reference stream comparison
A computing system will compare various reference fingerprints each representing a reference media stream broadcast on a different respective known channel, and the computing system will determine that a plurality of the reference fingerprints match each other, thus defining a multi-match group of the matching reference fingerprints. Further, the computing system will determine that a query fingerprint representing a media stream being rendered by a media presentation device matches the multi-match group, thus raising a question of which channel is carrying the media stream that is being rendered by the media presentation device. By considering one or more attributes of the query fingerprint, the server may then disambiguate and thereby determine the channel at issue, and the server may in turn take channel-specific action. |
US11463764B2 |
Method and system for automatically adjusting intensity of signal outputted by HDMI transmitter
A method and a system for automatically adjusting intensity of a signal outputted by an HDMI transmitter are provided. With the method, a length of an HDMI transmission line between the HDMI transmitter and an HDMI receiver is determined. A swing amplitude and a pre-emphasis intensity of the signal outputted by the HDMI transmitter are determined based on the length of the HDMI transmission line and a frequency of the signal outputted by the HDMI transmitter. An HDMI output drive circuit is configured based on the swing amplitude and the pre-emphasis intensity. |
US11463761B2 |
Method and apparatus for providing interactive applications with media content delivery services
Aspects of the subject disclosure may include, for example, a method of apportioning, by a processing system including a processor, a viewable area of a display screen into a main area and an application area; downloading, by the processing system, media content; displaying, by the processing system, the media content within the main area of the display screen; extracting, by the processing system, metadata from the media content; and providing, by the processing system, the metadata to an application, wherein the application: downloads information associated with the metadata provided in the media content, applies a bitrate limit to the downloading of the information to prevent interference with the downloading of the media content, generates display content based on the information, and sends the display content for displaying within the application area of the display screen concurrently with the media content being displayed in the main area of the display screen. Other embodiments are disclosed. |
US11463759B2 |
Video stream transmission method and system
The present invention relates to a method of transmitting a video stream, including: intercepting a video stream from a server to a video client; wherein the video client is on a user device; throttling onwards transmission of the video stream to the video client; analysing content within the video of the video stream; and performing an action in relation to the onward transmission to the video client as a result of the analysis of the content; wherein the throttling continues during analysis of the content. A system and software for transmitting a video stream are also described. |
US11463758B2 |
Systems, methods, and devices for optimizing streaming bitrate based on multiclient display profiles
Systems, methods, and devices are provided for optimizing streaming bitrate during multiclient streaming sessions based, at least in part, on display profiles associated with client media receivers to which different video streams are concurrently provided. The method may be carried-out by a streaming media server in communication with first and second client media receivers over a network. In various embodiments, the method may include establishing at the streaming media server first and second bandwidth allotment thresholds based, at least in part, on display profiles assigned to display devices associated with the client media receivers. During an ensuing multiclient streaming session, the streaming media server further encodes segments of video streams at variable bitrates regulated in accordance with the established bandwidth allotment thresholds. Additionally, the streaming media server transmits the encoded segments of the video streams over the network to the client media receivers for presentation on the display devices. |
US11463757B2 |
Media streaming for receiver-enabled resolution
A sender transmits media streams at receiver-enabled resolutions. The sender, a media server that has multiple resolutions of media available to stream, is made aware of the capability of the receiver to process lower resolution media streams, including a super-resolution capability to enhance the lower resolution media stream using temporal and/or spatial information contained in the lower resolution media stream. The media server sends lower resolution streams to the receiver, thereby freeing up bandwidth on the communication channel for other uses. The receiver can notify the sender of events that affect the status of the super-resolution capability on the receiver, and the sender can adjust the resolution and bitrate of the media stream accordingly to optimize use of the communication channels and resources by encoding and transmitting high resolution video frames only when needed. |
US11463755B2 |
Parental control monitoring system and method
A method, computer program product and computer storage medium and device for casting content from a first device to a second device. A request is received at a gateway from a first device for streaming content displayed on a second device to the first device. The first device is authenticated. Upon authentication of the first device, transmission of streaming content displayed by the second device to the first device is enabled. The content is streamed by the gateway or the second device to the first device. |
US11463754B2 |
Platform for appliance based resource catalog
Described herein is a platform for providing a resource catalog local to an appliance device, such that the appliance device is able to generate a transaction related to one or more resources within the resource catalog. In some embodiments, the appliance device may receive resource information within streaming data. For example, the appliance device may receive an indication that a portion of streaming media data is related to a resource. Upon determining that a portion of streaming data is related to a resource, the appliance device may be configured to store the portion of data in relation to the identified resource. A user may retrieve and/or execute the portion of streaming data at a later date. In some embodiments, the user may request that a transaction be conducted with respect to the resource and a corresponding transaction request may be generated by the appliance device. |
US11463750B2 |
Method and apparatus for transmitting adaptive video in real time using content-aware neural network
A method and apparatus for transmitting adaptive video in real time using a content-aware neural network are disclosed. At least one embodiment provides a method performed by a server for transmitting an adaptive video in real time by using content-aware deep neural networks (DNNs), including downloading a video, encoding a downloaded video for each of at least one resolution, dividing an encoded video into video chunks of a predetermined size, training the content-aware DNNs by using encoded video, generating a configuration or manifest file containing information on trained content-aware DNNs and information on the encoded video, and transmitting the configuration file upon a request of a client. |
US11463746B2 |
Techniques for composite media storage and retrieval
One embodiment sets forth a technique that includes receiving a request for a range of data included in an encoded version of the media title that is stored across a set of files. The technique also includes determining, based on a file extent index, one or more files included in the set of files, wherein the file extent index maps an identifier for each file in the set to a given range of data that is stored in the file and included in the encoded version. The technique further includes retrieving the range of data from the file(s), wherein at least a portion of the retrieved range of data falls within the given range of data that is stored in each of the one or more files, and transmitting the range of data in a response to the request. |
US11463745B2 |
System control apparatus, system control method and program
A system control device that transmits a manifest file describing information necessary for acquiring video data to a viewing client in a system that performs distribution of the video data via a network includes: generation means for generating the manifest file on the basis of at least one of identification information indicating a viewer attribute, a time zone, and a state of the system according to a prescribed control policy; and transmission means for transmitting the manifest file generated by the generation means to the viewing client. |
US11463740B2 |
Client side behavior self-determination
A Rules-Based Just-In-Time (RBJIT) content streaming engine collects information such as behavior, usage, movement, and preferences about a user, any groups that the user is associated with, and the set of all users in general. Based on this information, the RBJIT may preferentially select multimedia content and content suggestions for user display, increasing the likelihood that the surfaced content will be of interest to a user. In this way, browsing time for a user on a device with a limited form factor is reduced and network bandwidth is conserved by not surfacing content that the user ultimately will not view. |
US11463739B2 |
Parameter based load balancing in a distributed surveillance system
A distributed video management system for video surveillance that allows for monitoring a camera allocation parameter and dynamic reallocation of video cameras to available camera nodes in response to detecting a change in the allocation parameter. As such, the system may provide for load balancing of the processing of video data from the video cameras with reference to the allocation parameter. The change in allocation parameter may be due to a number of potential contexts, including a change in availability of camera nodes, a change in the nature of the video data captured, a change in computational load, or other change that results in a change in allocation parameter. The allocation parameter may be continually monitored to allocate video cameras to camera nodes in the system for enhanced system performance in view of potentially changing conditions. |
US11463738B2 |
Delivering on-demand video viewing angles of an arena
Various embodiments describe methods, systems, and devices for delivering on-demand video viewing angles of an arena at a venue are disclosed. Exemplary implementations may receive images of an event taking place across a plurality of positions within the arena from a series of cameras surrounding the plurality of positions. Content of interest may be identified within the images for a select user. Also, a score may be determined for each of the images based on the identified content of interest for the select user. A highest-score position may be determined from the plurality of positions based on the determined score and an offer to view images of the highest-score position may be transmitted to a display device of the select viewer for viewing video of the event. |
US11463737B2 |
Signaling of dynamic range adjustment parameters for decoded picture buffer management and dynamic range
An example device includes a memory configured to store video data and one or more processors implemented in circuitry and communicatively coupled to the memory. The one or more processors are configured to determine a first dynamic range adjustment (DRA) adaptation parameter set (APS) for a first picture of the video data and assign a first DRA APS ID to the first DRA APS. The one or more processors are configured to determine a second DRA APS for a second picture of the video data and assign a second DRA APS ID to the second DRA APS. The one or more processors are configured to process the second picture in accordance with the first DRA APS if the first DRA APS ID and the second DRA APS ID are equal. |
US11463733B2 |
Image compression and decompression using controlled quality loss
The loss of image quality during compression is controlled using a sequence of quality control metrics. The sequence of quality control metrics is selected for quantizing transform coefficients within an area of the image based on an error level definition. Candidate bit costs are then determined by quantizing the transform coefficients according to the error level definition or a modified error level and the sequence of quality control metrics. Where the candidate bit cost resulting from using the modified error level is lower than the candidate bit cost resulting from using the error level definition, the transform coefficients are quantized according to the modified error level and the sequence of quality control metrics. Otherwise, the transform coefficients are quantized based on the error level definition and according to the sequence of quality control metrics. |
US11463731B2 |
Image processing method and image processing apparatus
An image processing method of performing filtering on image blocks using a plurality of deblocking filters having different filter strengths includes: a first parameter calculating step of calculating a first parameter indicating a boundary strength; a second parameter calculating step of calculating a second parameter indicating a limit value for each of the deblocking filters, based on the first parameter and a quantization parameter; and a selecting step of selecting a deblocking filter to be used in the filtering from among the deblocking filters, using one or more threshold values which are determined based on the second parameter. |
US11463726B2 |
Apparatus and method for motion vector refinement for multi-reference prediction
The present invention relates to the performance of motion vector refinement in a search space for multi-reference inter-prediction. Two or more reference pictures are selected, one of those used for motion vector refinement. Based on an initial estimate of a motion vector to the reference picture for motion vector refinement, a search space in this reference image is constructed. Using template matching, the first motion vector is refined. The second motion vector to another reference picture is calculated using its initial estimate, the initial estimate of the first motion vector and the refined first motion vector. |
US11463723B2 |
Method for encoding/decoding image signal and device therefor
An image decoding method according to the present invention may comprise the steps of: generating an affine mergence candidate list for a current block; specifying one of multiple affine mergence candidates contained in the affine mergence candidate list; deriving affine seed vectors of the specified mergence candidate; deriving a sub-block motion vector for a sub-block in the current block by using the affine seed vectors, wherein the sub-block is smaller in size than the current block; deriving offset data for the sub-block; and generating a sub-prediction block for the sub-block on the basis of the affine vector and the offset data. |
US11463722B2 |
Method for encoding and decoding image and device using same
The method for deriving a temporal motion vector predictor according to the present invention comprises the steps of: selecting a reference picture for a current block; deciding a predictor block corresponding to a predetermined storage unit block, as a reference prediction unit for the current block, in the reference picture; and deriving the temporal motion vector predictor from motion information of the decided reference prediction unit. The present invention enhances image compression efficiency. |
US11463720B2 |
Functional safety method, system, and corresponding computer program product
A method, includes: storing at least one set of data in a memory space, wherein the at least one set of data stored has a memory footprint in the memory space; and coupling, to the at least one set of data, a respective counter indicative of the at least one set of data, wherein the respective counter is embedded in the at least one set of data without increasing the memory footprint in the memory space. |
US11463719B2 |
Video decoding method using residual information in video coding system, and apparatus thereof
A video decoding method performed by a decoding apparatus, according to the present document, comprises the steps of: receiving residual information for a current block; deriving a context model for a sine flag of a current residual coefficient in a current sub-block of the current block; decoding the sine flag on the basis of the context model; deriving the current residual coefficient on the basis of the sine flag; deriving a residual sample on the basis of the current residual coefficient; and generating a reconstructed picture on the basis of the residual sample, wherein the context model for the sine flag is derived on the basis of a sine flag of a residual coefficient decoded before the current residual coefficient in the current sub-block. |
US11463717B2 |
Systems and methods for multimedia signal processing and transmission
The present disclosure relates to systems and methods for signal transmission. The systems and methods may receive a composite multimedia signal, wherein the composite multimedia signal may be encoded in a frame format including an active zone and a blanking zone. The composite multimedia signal may be associated with a plurality of multimedia signals acquired by a plurality of acquisition devices. The systems and methods may insert one or more control signals in a predetermined section of the blanking zone. The systems and method may further transmit the one or more control signals to one or more target acquisition devices of the plurality of acquisition devices via a transmission medium. |
US11463705B2 |
Intra-prediction mode propagation
A method of decoding video data, including receiving a first block of video data encoded using an inter-prediction mode associating a first intra-prediction mode with the first block of video data, wherein the first intra-prediction mode is associated with a second block of video data, and determining a second intra-prediction mode for a neighbor block of video data based at least in part on the first intra-prediction mode. |
US11463703B2 |
Symmetric motion vector difference coding
Symmetric motion vector difference coding is described. One example video processing method includes determining, for a conversion between a block of a current picture of video and a bitstream representation of the block, whether a symmetric motion vector difference (SMVD) mode is allowable for the block, wherein whether the SMVD mode is allowable depends on a derivation process of two target reference pictures of the current picture, which includes a first step for searching a forward target reference picture in the reference picture list 0 and searching a backward target reference picture in the reference picture list 1, and a second step for searching a backward target reference picture in the reference picture list 0 and searching a forward target reference picture in the reference picture list 1, outputs of the first step and the second step being independent of each other; and performing the conversion based on the determination. |
US11463702B2 |
Chroma coding mode determination based on matrix-based intra prediction
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 first determination that a luma video block of a video is coded using a matrix based intra prediction (MIP) mode in which a prediction block of the luma 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 selectively followed by an upsampling operation, performing, based on the first determination, a second determination about a chroma intra mode to be used for a chroma video block associated with the luma video block, and performing, based on the second determination, a conversion between the chroma video block and a bitstream representation of the chroma video block. |
US11463701B2 |
Coding device predicting chrominance based on down-sampled luminance
A prediction image generation method is provided. The method derives a down-sampled luminance image and a down-sampled neighboring luminance image by down-sampling the luminance image of a target block and a neighboring luminance image based on information related to a down-sampling and indicating one of a plurality of position relationships between at least one luma pixel and a chroma pixel. The method derives a neighboring chrominance image, parameters derived from the down-sampled neighboring luminance image and the neighboring chrominance image, and the prediction image by using the down-sampled luminance image and the parameters. The position relationships include that a position of the chroma pixel is identical to a position of one of the at least one luma pixel and that the position of the chroma pixel is located in an intermediate of two of the at least one luma pixel on a left side of a 2×2 luma pixel block. |
US11463700B2 |
Video picture processing method and apparatus
A video picture processing method includes: sampling an initial picture, to obtain a target picture; dividing the target picture, to obtain a plurality of sub-pictures; extending picture borders of a first-category sub-picture, to obtain an extended first-category sub-picture; downsampling the extended first-category sub-picture, to obtain a downsampled first-category sub-picture; encoding a second-category sub-picture and the downsampled first-category sub-picture, to obtain bitstreams; and writing location information and extension information of the plurality of sub-pictures into the bitstreams, where extension information of the first-category sub-picture is used to indicate that the picture borders of the first-category sub-picture have been extended and indicate extension widths of the picture borders, and extension information of the second-category sub-picture is used to indicate that picture borders of the second-category sub-picture have not been extended. |
US11463698B2 |
Selection of the maximum dynamic range of transformed data and the data precision of transform matrices according to the bit depth of input data
A method of encoding image data, including: frequency-transforming input image data to generate an array of frequency-transformed input image coefficients by a matrix-multiplication process, according to a maximum dynamic range of the transformed data and using transform matrices having a data precision; and selecting the maximum dynamic range and/or the data precision of the transform matrices according to the bit depth of the input image data. |
US11463697B2 |
Method and apparatus for coding video, electronic device and computer-readable storage medium
A method and apparatus for coding a video, an electronic device and a computer-readable storage medium. A specific implementation scheme is: coding a sampled video frame sequence of a source video by using a preset coding mode to obtain a sample coding overhead; analyzing frame types of frames to be coded in the source video to obtain a frame type sequence of the frames to be coded; determining a predictive coding overhead of the source video according to the sample coding overhead of the source video, the frame type sequence of the frames to be coded, and quantization parameters of coding modes to be used corresponding to different frame types; and determining a coding strategy based on the predictive coding overhead and requirements of transmission bit rate limit information. |
US11463691B2 |
Region adaptive loop filter for video coding
A method, computer program, and computer system is provided for video encoding and decoding. A bitstream of data corresponding to an image having pre-determined multiple regions is received, and a number is determined from the bitstream corresponding to a number of filters in an adaptive loop filter associated with the image. A region index to filter an index lookup table is decoded. The filter coefficients of the filters in the adaptive loop filter are decoded. The image is decoded based on the decoded filter coefficients and the decoded region index to filter the index lookup table. |
US11463690B2 |
Image processing method, and image encoding/decoding method and device which use same
The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise acquiring transform coefficients distribution information of a neighboring block from a bitstream; direction-adaptively determining an intra prediction mode of a current block to be decoded, according to the transform coefficients distribution information of the neighboring block; and reconstructing the current block, based on the determined intra prediction mode, wherein the direction-adaptively determining includes determining similarity flag information corresponding to the neighboring block, based on the transform coefficients distribution information of the neighboring block. |
US11463689B2 |
Intra prediction and intra mode coding
A device for decoding video data includes a memory configured to store the video data; and one or more processors configured to decode syntax information that indicates a selected intra prediction mode for the block of video data from among a plurality of intra prediction modes. The one or more processors apply an N-tap intra interpolation filter to neighboring reconstructed samples of the block of video data according to the selected intra prediction mode, wherein N is greater than 2. The one or more processors reconstruct the block of video data based on the filtered neighboring reconstructed samples according to the selected intra prediction mode. |
US11463687B2 |
Motion candidate list with geometric partition mode coding
A visual media processing method includes determining that a first video block of a visual media data uses a geometric partitioning mode (GPM) and a second video block of the visual media data uses a non-GPM mode; constructing, based on a unified pruning process, a first merge list for the first video block and a second merge list for the second video block, wherein the first merge list and the second merge list include merge candidates, and the pruning process includes adding a new merge candidate to the merge list based on comparing motion information of the new merge candidate with motion information of at least one merge candidate in the merge list, wherein the GPM includes splitting the first video block into multiple prediction partitions to apply motion prediction separately, and at least one partition having a non-rectangular shape. |
US11463686B2 |
Method and device for decoding images using CCLM prediction in image coding system
An image decoding method performed by a decoding device according to the present document comprises: a step for deriving the number of samples of upper peripheral chroma samples and left peripheral chroma samples of a current chroma block on the basis of a specific value and the width and height of the current chroma block; a step for deriving said number of upper peripheral chroma samples and said number of left peripheral chroma samples; and a step for deriving CCLM parameters on the basis of the upper peripheral chroma samples, the left peripheral chroma samples, and down-sampled peripheral luma samples, wherein, when the specific value is derived as 2 and the width and the height of the current chroma block are larger than the specific value, the number of samples is derived as the specific value. |
US11463684B2 |
Image decoding device, image encoding device, image processing system, image decoding method, and program
A decoding-side first generation unit generating, for a target unit, a first component prediction sample. A decoding-side linear prediction unit using the first component sample and a prediction coefficient to generate a linear prediction sample of a second component. A decoding-side second generation unit using the second component linear prediction sample to generate, for the target unit, a second component prediction sample. The decoding-side linear prediction unit uses a first coefficient as the prediction coefficient when the first component sample is equal to or below a threshold value, and uses a second coefficient, different from the first, as the prediction coefficient when the first component sample is greater than the threshold value. The threshold value is set on a parameter representing a distribution or change in a reference sample of the first component and/or the second component contained in a reference unit referenced for the target unit. |
US11463683B2 |
Power and video redundancy system in a display system of a smart board
The present invention relates to a power and video redundancy system for a display system of a smartboard. More particularly, the present invention relates to a power and video redundancy system applied to a smartboard display system which minimizes the user's inconvenience due to the failure or damage of components and enables the manager to repair or change the parts without the user being aware of the loss or damage. |
US11463682B2 |
Temporal alignment system and method
A temporal alignment system and method for example for detecting temporal misalignment in video frames when the frames are divided for transport using a signal divider for dividing a single signal S into portions S1 . . . SN and using average picture level in determining whether data sets within a particular frame are misaligned. |
US11463681B2 |
Encoding and decoding of volumetric video
There are disclosed various apparatuses, methods, and computer program products for coding volumetric video, where information of a three-dimensional scene is obtained and at least one projection plane for the scene is determined (602). At least a first projection direction is determined for a first part of the projection plane and a second projection direction is determined for a second part of the projection plane so that the first projection direction is different from the second projection direction (604). A first part of the scene is projected on the projection plane from the first projection direction (610); and a second part of the scene is projected on the projection plane from the second projection direction (610). The projection plane is encoded (612). Information of at least one projection plane of a three-dimensional scene, information of at least a first projection direction for a first part of the projection plane and a second projection direction for a second part of the projection plane are decoded. The first projection direction is different from the second projection direction. The decoded information is used to obtain reconstructed geometry data of different parts of the projection plane, and the reconstructed geometry data is used to form a reconstructed 3D image. |
US11463680B2 |
Using virtual landmarks during environment scanning
Generating a three-dimensional (3D) map of an environment includes receiving, via a 3D-scanner that is mounted on a moveable platform, a 3D-scan of the environment while the moveable platform moves through the environment. The method further includes receiving via a two-dimensional (2D) scanner that is mounted on the moveable platform, a portion of a 2D-map of the environment, and receiving first coordinates of the scan position in the 2D-map. The method further includes associating the scan position with the portion of the 2D-map as a virtual landmark. In response to the movable platform being brought back at the virtual landmark, a displacement vector for the 2D-map is determined based on a difference between the first coordinates and a second coordinates that are determined for the scan position. A revised scan position is calculated based on the displacement vector, and the revised scan position is used to register the 3D-scan. |
US11463677B2 |
Image signal processor, image processing system and method of binning pixels in an image sensor
An image signal processor includes a register and a disparity correction unit. The register stores disparity data obtained from a pattern image data that an image senor generates, and the image sensor includes a plurality of pixels, and each of the pixel includes at least a first photoelectric conversion element and a second photoelectric conversion element. The image sensor generates the pattern image data in response to a pattern image located at a first distance from the image sensor. The disparity correction unit corrects a disparity distortion of an image data based on the disparity data to generate a result image data, and the image senor generates the image data by capturing an object. |
US11463676B2 |
Stereoscopic visualization system and method for endoscope using shape-from-shading algorithm
A stereoscopic visualization system using shape from shading algorithm is an image conversion device connected between a monoscopic endoscope and a 3D monitor. The system applies the algorithm which generates a depth map for a 2D image of video frames. The algorithm first calculates a direction of a light source for the 2D image. Based upon the information of light distribution and shading for the 2D image, the depth map is generated. The depth map is used to calculate another view of the original 2D image by depth image based rendering algorithm in generation of stereoscopic images. After the new view is rendered, the stereoscopic visualization system also needs to convert the display format of the stereoscopic images for different kinds of 3D displays. Based on this method, it can replace the whole monoscopic endoscope with a stereo-endoscope system and no modification is required for the monoscopic endoscope. |
US11463673B2 |
Method and device for transmitting immersive media
Provided is a method for supporting an immersive media service by a media transmission device. The method comprises the steps of: determining at least one space among a plurality of spaces of interest (SOI) based on SOI description information; and transmitting, to a media reception apparatus, partial SOI description information among the SOI description information and partial immersive media data among immersive media data, wherein the partial SOI description and the partial immersive media data corresponds to the determined at least one SOI, wherein the partial SOI description information includes at least one of identification information for the at least one SOI, a space range indicator for an object of interest (OOI), a priority indicator for the OOI, or an object vector for the OOI. |
US11463672B2 |
Image data encoding/decoding method and apparatus
Disclosed are methods and apparatuses for decoding an image. A method includes receiving a bitstream obtained by encoding the image; dividing a first coding block into a plurality of second coding blocks; generating a prediction block of a second coding block based on syntax information obtained from the bitstream; and reconstructing the second coding block based on the prediction block and a residual block of the second coding block, the residual block being obtained by performing a dequantization and an inverse-transform on quantized transform coefficients from the bitstream. The first coding block has a recursive division structure. The first coding block is divided based on at least one of a quad tree division, a binary tree division or a triple tree division. |
US11463668B2 |
Medical image processing device, medical observation system, and image processing method
A medical image processing device includes an image processor configured to: generate an output image by combining a first captured image obtained by capturing light from an observation target irradiated with light in a first wavelength band and a second captured image obtained by capturing fluorescence from the observation target irradiated with excitation light, with corresponding pixels; output a brightness signal value of a target pixel to be generated in the output image, as either a brightness signal value of a first corresponding pixel corresponding to the target pixel in the first captured image or a brightness signal value of a second corresponding pixel corresponding to the target pixel in the second captured image; and output a color difference signal value of the target pixel in the output image as a value generated by using the brightness signal value of the second corresponding pixel. |
US11463667B2 |
Image projection
Examples of techniques for projection of images on reflective displays is described. In an example implementation, an image is projected on a reflective display. Regions of a first predefined color of the projected image are identified, and a first set of pixels of the reflective display that overlap the identified regions is biased to display a second predefined color by the first set of pixels. |
US11463662B2 |
School security assembly
A school security assembly for preserving security of a public building includes a drop box that is positionable adjacent to an entrance of a public building for receiving an object to be delivered to a recipient inside the public building. A communication unit is positioned adjacent to the drop box and the communication unit is in communication with the person when the person approaches the drop box. The communication unit is in communication with a surveillance station in the public building to facilitate the person to communicate with an authorized representative in the public building. |
US11463656B1 |
System and method for received video performance optimizations during a video conference session
A sink information handling system executing a multimedia multi-user collaboration application (MMCA) may comprise a network interface device to receive a plurality of video frame slices of a video frame of a remote participant user of a source information handling system participating in a video conference session, the network interface device to receive an identification of a subset of the plurality of video frame slices having an assigned probability of presence of the remote participant's body that exceeds a threshold probability, based on a human object presence (HOP) heat map, as a HOP video frame slice group, the processor to decode data within the HOP video frame slice group, and a digital display device to display the video frame, as transformed by the audio/visual processing instruction algorithm. |
US11463652B2 |
Write-a-movie: visualize your story from script
A script-to-movie generation method for a computing device includes obtaining a movie script, generating a video according to the movie script, optimizing the generated video until a pass condition is satisfied, and outputting the optimized video. |
US11463651B2 |
Video frame-based media stream bandwidth reduction
A video system includes one or more media sources and a media server configured to communicate with a video viewing device through a network. The media server includes memory and a processor configured to perform a plurality of operations. The operations include receiving a video stream from the one or more media sources, where the video stream includes one or more sequences of a key frame followed by one or more secondary frames. The operations also include determining whether throttling is enabled for the video stream, dropping the one or more secondary frames with transmission of the key frame to the video viewing device based on determining that throttling is enabled, and transmitting the key frame and the one or more secondary frames to the video viewing device based on determining that throttling is disabled. |
US11463650B2 |
Digital deposition and evidence recording system
Embodiments include a modular video recording system. The system includes a first module for supporting a primary input to be recorded. The system may include combinations of modules for supporting different combinations of recording inputs from video and audio sources for recording the received inputs in different combinations. |
US11463648B1 |
Image sensor with three readout approach for phase detection autofocus and image sensing photodiodes through multiple column bitlines
An imaging device includes a photodiode array with a first and second photodiodes. First and second floating diffusions are configured to receive charge from the first and second photodiodes, respectively. An analog to digital converter (ADC) is configured to receive simultaneously first and second bitline signals from the first and second floating diffusions, respectively. The ADC is configured to generate a reference readout in response to the first and second bitline signals after a reset operation. The ADC next generates a first half of a phase detection autofocus (PDAF) readout in response to the first and second bitline signals after charge is transferred from the first PDAF photodiode to the first floating diffusion. The ADC then generates a full image readout in response to the first and second bitline signals after charge is transferred from the second photodiode to the second floating diffusion. |
US11463645B2 |
Solid-state imaging element and electronic device including a shared structure for pixels for sharing an AD converter
A solid-state imaging element and an electronic device is provided. A pixel at least includes a photoelectric conversion unit that performs photoelectric conversion, an FD unit to which charge generated in the photoelectric conversion unit is transferred, and an amplification transistor that has a gate electrode to which the FD unit is connected. A reference signal is input to a MOS transistor. The reference signal is referred to when AD conversion is performed on a pixel signal according to an amount of light received by the pixel. Then, a shared structure is employed in which a predetermined number of pixels share an AD converter that includes a differential pair including the MOS transistor and the amplification transistor. Each of the pixels is provided with a selection transistor that is used to select a pixel for which AD conversion is performed on the pixel signal. |
US11463643B2 |
Image sensing device and image sensing method
An image sensing device and an image sensing method are provided. The image sensing device includes a pixel array and a readout circuit. The pixel array includes multiple sensing sub-pixels arranged in an array. During a first exposure period of a frame period, the sensing sub-pixels are simultaneously exposed to respectively store multiple first sensing signals in multiple storage units of the sensing sub-pixels. During multiple first readout periods of the frame period, the readout circuit sequentially reads out the first sensing signals stored in the storage units during different periods. During each of multiple dynamic sensing periods of the frame period, all or part of the sensing sub-pixels are reset and then simultaneously exposed again, and the readout circuit then simultaneously reads out multiple second sensing signals of the sensing sub-pixels. |
US11463642B2 |
Image sensor including pixel array and mobile terminal
An image sensor and a mobile terminal are provided. The image sensor includes a pixel array, where the pixel array includes a preset quantity of pixel units arranged in a predetermined manner. The pixel unit includes a first pixel and a second pixel. The first pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and the second pixel includes a green sub-pixel, a preset sub-pixel, and at least one of a red sub-pixel and a blue sub-pixel. Both the first pixel and the second pixel are full-pixel dual-core focusing pixels, and each of the first pixel and the second pixel includes four full-pixel dual-core focusing sub-pixels. The preset sub-pixel receives an infrared band and one of a red band, a green band, and a blue band, or the preset sub-pixel receives an infrared band, a red band, a green band, and a blue band. |
US11463640B1 |
Bitline control supporting binning mode phase detection autofocus photodiodes
An imaging device includes pixel circuits that include either image sensing photodiodes or phase detection autofocus (PDAF) photodiodes. The PDAF photodiodes are included in a first PDAF pixel circuit included in a first grouping of rows, and a second PDAF pixel circuit included in a second grouping of rows of a pixel array. Bitline pairs are coupled to respective columns of the pixel array. Each bitline pair includes a first bitline coupled to the first grouping of rows and a second bitline coupled to the second grouping of rows of respective columns of the pixel array. Multiplexers are configured to select one of respective first or second bitlines of each bitline pair. A PDAF multiplexer is coupled to a PDAF select signal and the second PDAF circuit through a respective bitline pair. The remaining multiplexers are coupled to a select signal and are coupled to remaining bitline pairs. |
US11463638B2 |
Streaking correction circuit, imaging apparatus, and electronic equipment
A streaking correction circuit of the present disclosure includes a correction signal generation section and a correction process section. The correction signal generation section generates a correction signal on the basis of signals of light-shielded pixels of light-shielded portions provided at edge portions of a pixel array section having pixels, each including a light reception section, arranged in a matrix pattern. The correction process section performs a correction process on signals of effective pixels of the pixel array section by using the correction signal generated by the correction signal generation section. Then, the correction signal generation section divides a captured image into a plurality of regions relative to a position of a singular point in the captured image and generates a correction signal for each divided region by using signals of the light-shielded pixels. The correction process section performs the correction process by using the correction signal generated for each divided region. |
US11463637B2 |
Vision sensor, a method of vision sensing, and a depth sensor assembly
According to the present invention there is provided a vision sensor comprising, an array of pixels comprising rows and columns of pixels, wherein each pixel in the array comprises, a photosensor which is configured to output a current proportional to the intensity of light which is incident on the photosensor; a current source which is configured such that it can output a current which has a constant current level which is equal to the current level of the current output by the photosensor at a selected first instant in time, and can maintain that constant current level even if the level of the current output from the photosensor changes after said selected first instant in time; an integrator which is configured to integrate the difference between the level of current output by the current source and the level of current output by the photosensor, after the selected first instant in time; wherein the vision sensor further comprises a counter which can measure time, wherein the counter is configured such that it can begin to measure time at the selected first instant; and wherein each pixel in the array further comprises a storage means which can store the value on the counter at a second instant in time, the second instant in time being the instant when the integration of the difference between the level of current output by the current source and the level of current output by the photosensor of that pixel reaches a predefined threshold level. There is further provided a corresponding method of vision sensing, and a depth sensor assembly which comprises the vision sensor. |
US11463631B2 |
Method and apparatus for generating face image
Embodiments of the present disclosure provide a method and apparatus for generating an image. The method may include: receiving a first image including a face input by a user in an interactive scene; presenting the first image to the user; inputting the first image into a pre-trained generative adversarial network in a backend to obtain a second image output by the generative adversarial network; where the generative adversarial network uses face attribute information generated based on the input image as a constraint; and presenting the second image to the user in response to obtaining the second image output by the generative adversarial network in the backend. |
US11463627B2 |
Step-stare wide field imaging system and method
An imaging system includes a stationary imager. An opaque enclosure includes a plurality of apertures at different locations on the enclosure and a plurality of stationary beam splitters arranged within the enclosure such that light that enters the enclosure through each of the apertures is directed to the imager. A shutter unit includes an opaque surface that includes at least one window. The shutter unit is rotatable relative to the enclosure such the window is sequentially aligned with each of the apertures to enable light from a field of view to enter the enclosure through that aperture, the opaque surface preventing light from concurrently entering the enclosure through more than one of the apertures. |
US11463623B2 |
Notifying apparatus, image capturing apparatus, notifying method, image capturing method, and storage medium
There is provided a notifying apparatus. A detecting unit detects a motion amount of an object from an image obtained through first shooting, the first shooting being carried out repeatedly at predetermined intervals of time. A converting unit converts the motion amount into a motion blur amount that will arise in second shooting, on the basis of the predetermined intervals of time and an exposure time used in the second shooting. A notifying unit makes a notification of motion blur on the basis of the motion blur amount. The notifying unit changes a form of the notification in accordance with a magnitude of the motion blur amount. |
US11463621B2 |
Image pickup apparatus, optical apparatus, control apparatus of the optical apparatus, control method, and medium, for controlling driving mode of a driver based on supply power level or driving state thereof
A control apparatus is configured to control a driver configured to drive a driven member, which driver is provided in an optical apparatus that is attachable to and detachable from an image pickup apparatus. The control apparatus includes an information acquirer configured to acquire information on a suppliable power from the image pickup apparatus to the optical apparatus, and a changer configured to change a control method of the driver according to the information. |
US11463613B2 |
Detection device and detection method
A detection device, comprising an image sensor provided with a plurality of pixels having a plurality of light receiving sections corresponding to a micro lens, capable of adding output signals of the plurality of light receiving sections in accordance with phase difference detection direction and outputting an added signal, and a processor for performing focus detection or depth detection using phase difference detection, based on the added signal of the image sensor, whereby the image sensor makes height of a potential barrier between the light receiving sections different in accordance with the plurality of phase difference detection directions, and the processor sets charge storage determination level differently in accordance with the phase difference detection direction, and controls charge storage operation of the image sensor based on the added signal and the charge storage determination level. |
US11463610B2 |
Cross field of view for autonomous vehicle systems
An imaging system is provided for a vehicle. In one implementation, the imaging system includes an imaging module, a first camera coupled to the imaging module, a second camera coupled to the imaging module, and a mounting assembly configured to attach the imaging module to the vehicle such that the first and second camera face outward with respect to the vehicle. The first camera has a first field of view and a first optical axis, and the second camera has a second field of view and a second optical axis. The first optical axis crosses the second optical axis in at least one crossing point of a crossing plane. The first camera is focused a first horizontal distance beyond the crossing point of the crossing plane and the second camera is focused a second horizontal distance beyond the crossing point of the crossing plane. |
US11463606B2 |
Fixing apparatus and method of sensing system
Embodiments of the present disclosure disclose an apparatus and method for fixing a sensing system to an unmanned construction machinery. The fixing apparatus includes an internal fixing module and an external fixing module, in which, the internal fixing module is configured to fix a sensing device in a sensing system of an unmanned construction machinery to the external fixing module in a predetermined fixing manner; and the external fixing module is configured to control the sensing device in the sensing system to perform an environment sensing on a target area of the unmanned construction machinery in a predetermined control manner. |
US11463605B2 |
Devices and methods for high dynamic range video
Systems and methods of the invention merge information from multiple image sensors to provide a high dynamic range (HDR) video. The present invention provides for real-time HDR video production using multiple sensors and pipeline processing techniques. According to the invention, multiple sensors with different exposures each produces an ordered stream of frame-independent pixel values. The pixel values are streamed through a pipeline on a processing device. The pipeline includes a kernel operation that identifies saturated ones of the pixel values. The streams of pixel values are merged to produce an HDR video. |
US11463601B2 |
Image reading apparatus with a document feeder with a pressing layer
An image reading apparatus includes a platen on which a document is to be placed, an image sensor configured to read an image of the document on the platen, an opening/closing member configured to cover and uncover the platen, a document pressing layer disposed on a surface of the opening/closing member and configured to press the document on the plate when the opening/closing member covers the platen, elastic layers located between the document pressing layer and the opening/closing member and spaced apart from each other on a surface of the document pressing layer, and connection layers connecting the elastic layers to the opening/closing member. An area of the elastic layer is larger than an area of the connection layer. |
US11463599B2 |
Communication apparatus
A communication apparatus configured not to execute displaying, based on the operation in the connection setting state being started, a screen for receiving an operation for stopping the operation in the connection setting state on a display unit of the communication apparatus. |
US11463597B2 |
Belt transfer type multi-function device and control method thereof
A belt transfer type multi-function device includes: a control device performing controlling such that an image to be printed on paper already caught between a transfer roller and the belt roller is printed, and if printing should not be performed on a next paper, movement of the next paper is stopped on a transfer path before the next paper is positioned between the transfer roller and the belt roller, the image already transferred on the transfer belt is deleted in a state in which the next paper is stopped on the transfer path, and the next paper in a stopped state is ejected as a blank paper through a ejection port along the transfer path, so that the image already transferred to the transfer belt, which is to be printed on the next paper along the movement direction of paper, is not printed on the next paper. |
US11463592B2 |
Image processing apparatus, method, and computer program product excludes specific anomalies among detected anomalies
An image processing apparatus includes an anomaly detecting unit configured to detect anomalies included in a target image; and an anomaly exclusion processing unit configured to exclude a specific anomaly among the detected anomalies. Further, the anomaly exclusion processing unit excludes one of an anomaly and another anomaly among the detected anomalies, if (a) a detection area of the anomaly, a detection area of the other anomaly, and an overlapping area of the detection areas of the anomaly and the other anomaly satisfy a predetermined condition and (b) a type of the anomaly and a type of the other anomaly are different from each other. |
US11463585B1 |
Systems and methods for electronic request routing and distribution
Disclosed herein are embodiments of systems, methods, and products comprises an analytic server for electronic requests routing and distribution. The server receives a plurality of requests from a plurality of electronic user devices. Aiming to routing the plurality of requests to appropriate agents, the server trains an artificial intelligence model for each agent based on historical data. For each request, the server executes the artificial intelligence model to determine a score indicating the probability of the agent converting the request to a successful sale. The server determines an entropy value for each request based on the scores and order the requests into a queue based on the entropy values. The server also calculates a capacity for each agent based on historical agent data. For each request in the queue, the server routes the request to an agent based on at least one of the score and capacity of the agent. |
US11463581B1 |
Managing phone identification via immutable connection verification
Embodiments of the present invention provide methods, computer program products, and systems. Embodiments of the present invention can create an authentication mechanism for communication services utilizing a distributed recording system. Embodiments of the present invention can then, in response to receiving a request to connect with a device, utilize the created authentication mechanism to connect with or prevent connection with the device. |
US11463580B2 |
System and method for ring suppression
A system for ring suppression facilitates notification and handling of unwanted calls as desired by a recipient, and in particular without disturbing the recipient. A new social dimension of call presentation logic is now available to callers. A telephony device is configured to receive an incoming call. The incoming call includes a calling line identity (CLI). On the telephony device, individual contacts in an address book are searched for a match to the CLI. If a match is found, a first phone action is activated (such as ringing the phone). If a match is not found in the address book for the incoming CLI, a second phone action is activated (such as not ringing the phone, and displaying the CLI). In other words, a call that is not in the address book of the recipient (B party) is silenced. |
US11463578B1 |
Method, system and program product for communicating e-commerce content over-the-air to mobile devices
Product or service information in the form of selected wireless e-commerce content is transmitted from a server to a mobile device, such as mobile telephone or personal digital assistant. The e-commerce content is transmitted either in response to an explicit user request for communication of the e-commerce content, or, in the alternative, is “pushed” to the mobile device as permitted by a user but in the absence of a specific request. The e-commerce content received at the mobile device is presented to a user by the mobile device in textual or graphical format in conjunction with an indication of a communication needed to consummate an e-commerce transaction. If the user desires to purchase the good or service represented by the e-commerce content, the user initiates the communication indicated by the e-commerce content. |
US11463577B2 |
Method and apparatus for providing communication availability of users
According to an embodiment, there is provided an electronic device comprising: a memory storing instructions; and at least one processor configured to execute the instructions to: generate state information regarding a device state of the electronic device of a first user and communication information regarding communications of the first user with a second user; transmitting the state information and the communication information to a server or an electronic device of the second user, wherein the state information and the communication information are used to determine communication availability of the first user and to provide the second user with information regarding the communication availability of the first user. |
US11463573B2 |
Notification bot for topics of interest on voice communication devices
A method and system are provided. The method includes automatically monitoring one or more voice communication sessions occurring on multiple communication devices to transcribe into text, by a processor-based voice-to-text transcriber, voices uttered by two or more respective participants other than a user in each of the voice communications sessions. The method further includes comparing, for each of the voice communication sessions, the topic of interest to conversation features derived from the text to detect a match there between. The method also includes providing the user with a summary of each of the voice communication sessions for which the match has been detected by said comparing step, the summary being based on the text. The method additionally includes automatically connecting the user to at least one of the voice communication sessions for which the summary thereof has been provided to the user. |
US11463570B2 |
Electronic device and electronic device housing structure
Various embodiments disclosed in this document relate to an electronic device, for example, an electronic device comprising a conductive piece facing a housing of a metallic material, and an electronic device housing structure. |
US11463558B2 |
Tool port aware stateful protocol visibility for packet distribution
At least one technique for distributing traffic from a visibility node to a network tool is disclosed. In certain embodiments, the visibility node has a tool port through which to receive a plurality of packets which each include a compressed header. The visibility node determines, for each packet, whether a given network tool has received the compressed header in decompressed format based on a header-to-tool mapping structure. The structure includes information indicative of which packet headers each of the plurality of network tools have received in decompressed format. If the visibility node determines that the tool previously received the decompressed header, the visibility node transmits the packet to the network tool in compressed format. If the visibility node determines that the tool has not previously received the decompressed header, the visibility node decompresses the compressed header prior to transmitting the packet to the given network tool. |
US11463555B2 |
Local interconnect network (LIN) messaging between LIN partitions separated by a backbone communication network
A proxy slave in a first LIN partition receives data from a proxy master in the second LIN partition which in turn receives the data from a slave in the second LIN partition. The proxy slave stores the data in a data structure and receives a read request from an originating master in the first LIN partition after the data is stored. The read request comprises a LIN message identifier subscribed to by the slave in the second LIN partition. The proxy slave accesses the data stored in the data structure based on the LIN message identifier in the read request; and sends a LIN response to the originating master with the stored data from the slave in the second LIN partition. |
US11463549B2 |
Facilitating inter-proxy communication via an existing protocol
A method, system and computer program product for facilitating inter-proxy communication via an existing protocol. A proxy receives a message (e.g., request message) using a protocol, such as HTTP. If the proxy determines to add proxy relevant information to the message, then the proxy defines a new message header for the inter-proxy communication, which is added to the existing header section of the message. The proxy relevant information is then added in the newly added message header of the message. The message with the proxy relevant information is then transmitted to a subsequent proxy using the protocol of the underlying request-response transaction. In this manner, inter-proxy communications are enabled via an existing protocol (e.g., HTTP) that is used in the request-response transaction so that proxies can communicate with one another pertaining to matters (e.g., maintenance schedule) unrelated to the original intent of the transaction using the existing protocol (e.g., HTTP). |
US11463548B2 |
Modular telecommunication edge cloud system
A telecommunications edge cloud (TEC) element comprising a plurality of TEC hardware components comprising a computing component that includes one or more processors, a storage component that includes a memory, a networking component, with the TEC device being deployed between a client and a packet network, the computing component being configured to manage a computing resource in the computing component, a networking resource in the networking component, and a storage resource in the storage component, allocate the computing resource for a first application of the plurality of different applications, execute the first application using the computing resource, allocate the networking resource for a second application of the plurality of different applications, execute the second application using the networking resource, allocate the storage resource for a third application of the plurality of different applications, execute the third application using the storage resource. |
US11463547B2 |
Reliable transport protocol and hardware architecture for datacenter networking
A communication protocol system is provided for reliable transport of packets. In this regard, an initiator entity may determine that outgoing data is to be transmitted to a target entity. The initiator entity may transmit, to the target entity, a solicited push request requesting the outgoing data to be placed at the target entity. In response to the solicited push request, the initiator entity may receive a push grant from the target entity. In response to the push grant, the initiator entity may transmit to the target entity the outgoing data to be placed at the target entity. |
US11463545B2 |
Systems and methods for determining a completion score of a record object from electronic activities
The present disclosure relates to a method for determining a completion score for a record object based on electronic activities. The method includes accessing record objects, each of which corresponds to a record object type and includes object fields having object field-values. The method includes selecting one of the record objects. The method includes identifying electronic activities transmitted or received associated with the record object. Each of the electronic activities has a timestamp indicating a receipt time or transmission time of the respective electronic activity. The method includes determining a participant of each of the electronic activities. The method includes determining a completion score indicating a likelihood of completing an event associated with the record object based on the timestamp of each of the electronic activities and the participant of each of the electronic activities. The method includes storing an association between the record object and the completion score. |
US11463537B1 |
Proxy selection by monitoring quality and available capacity
Empirical data of exit nodes are continuously monitored and each exit node's overall performance and available capacity are calculated. The empirical data can include monitoring the number of concurrent requests currently being executed by each exit node and the disconnection chronology of each exit node. Further, each exit node is tested by benchmark requests and ping messages and each exit node's quality rate is calculated. Additionally, systems and methods are provided to select an exit node with the highest quality and available capacity value, from a particular pool to route the user request. |
US11463535B1 |
Using forensic trails to mitigate effects of a poisoned cache
A content delivery network may store forensic trail metadata for cache entries in order to identify and evict poisoned cache entries, mitigating the effects of a poisoned cache due to corrupted cache servers. Each entry of a cache server may include the cached item as well as forensic metadata. The forensic metadata includes identifiers for cache servers that the item was served from, as well as a timestamp for the time that the item was served. The cache server also maintains a list of corrupted servers, as well as a time window for each corrupted server. The cache server determines, based on the list of corrupted servers and the forensic metadata, whether to evict cache entries. |
US11463534B2 |
Systems and methods for generating new record objects based on electronic activities
The systems and methods relate to updating a system of record by selectively generating record objects for the system of record according to information generated by parsing the electronic activities according to specific matching rules and/or filtering rules. By selectively generating the record objects in the specific manners described herein, the systems and methods can provide for better determinations about whether to generate new record objects that match the information generated by parsing the electronic activities, or to update an existing record object. |
US11463531B2 |
Using cellular identifiers in intelligent transport systems communication infrastructure
The present invention provides apparatuses, methods, computer programs, computer program products and computer-readable media regarding using cellular identifiers in intelligent transport systems (ITS) communication infrastructure. The method includes composing a header of a message to be distributed within the intelligent transport system by the communication node, the communication node being capable of communicating at least in accordance with a cellular network, and inserting into the header at least one identifier according to the cellular communication network of the communication node. |
US11463529B2 |
Computer system and methods providing virtual computing session connections and re-directs based upon ordered list of virtual delivery agents
A virtual delivery appliance may include a memory and a processor configured to cooperate with the memory to connect client computing devices with virtual computing sessions provided by a host computing device(s) based upon respective connection leases each including an ordered list of virtual delivery appliances, with at least some of the client computing devices having different ordered lists of virtual delivery appliances. Each client computing device may be configured to request a new session from the virtual delivery appliances in the ordered list in descending order until receiving a connection with a new virtual computing session. The processor may be further configured to re-direct new session requests received from the client computing devices to lower virtual delivery appliances in the ordered list when existing virtual computing sessions for the client computing devices are already active with the host computing device(s) associated with the lower virtual delivery appliances. |
US11463527B2 |
User plane model for non-3GPP access to fifth generation core network
Systems and methods relating to establishment of a Packet Data Unit, PDU, session over a Non 3GPP Access to a 3GPP network and transmitting IP data and non-IP data are provided. A method of operation of a wireless device is provided and comprises sending to an AMF over an N3IWF a PDU session request to establish a PDU session to transport one of IP data or non-IP data over an established first IPsec, Security Association, SA, establishing an IPSec Child SA, for the PDU session and associating the IPSec Child SA to a PDU session then encapsulating the data using ESP encapsulation or GRE encapsulation associated with the IPSec Child SA and indicating the type of data that is being transmitted (e.g., non-IP data that comprises raw application data). In this manner, an IoT device is able to securely transmit to the 3GPP network IP data/non-IP data/raw application data over an unsecure non 3GPP access network such as Wireless Local Area Network. Methods and apparatus describing the NAS signalling and the PDU session as each using their respective IPSec SA are provided. Similarly, methods and apparatus describing the NAS signalling and the PDU sessions sharing a common IPSec SA are provided. GRE encapsulation of the data within the ESP frame is described for both NAS signalling and PDU session in the case of multiple IPSec/Child SAs or common IPSec SA. Similarly, methods and apparatus are provided for the N3IWF which provides for the UE secure access to the network. |
US11463525B1 |
Method and system for managing internet of things (IoT) devices in heterogeneous communication networks
This disclosure relates to method and system for managing Internet of Things (IoT) devices in heterogeneous communication networks. The method includes receiving metadata corresponding to each of a set of IoT devices including a plurality of IoT sensors; validating each of the set of IoT devices based on the received metadata; establishing communication with each of the set of IoT devices through an associated predefined data communication protocol; receiving real-time data from each of the plurality of sensors associated with each of the set of IoT devices through an IoT protocol; monitoring the real-time data received from each of the plurality of sensors at predefined time intervals through a Graphical User Interface (GUI); and managing one or more device parameters corresponding to each of the set of IoT devices in the heterogeneous communication network through the GUI based on the real-time data. |
US11463521B2 |
Dynamic connectivity management through zone groups
To address concerns with administration of zones in storage area network (SAN) environments, presented are embodiments of a “zone group,” including systems and methods for configuring, implementing, and managing such. While zone group embodiments may comprise one or more zones, unlike traditional zone sets, a zone group includes additional features. For example, a zone group includes an “Owner” and also allows for multiple zone groups to be active on a fabric at one time. By adding the concept of an owner to a zone group, changes made by a user or entity impact the zone group to which the owner has rights to access or modify. Also, by allowing multiple zone groups to be active at the same time, embodiments enable multiple administrators or entities to make unrelated modifications to connectivity and dramatically reduce the impact of unintentional changes. Additional features and benefits are described herein. |
US11463518B2 |
Storage tier selection for replication and recovery
Disclosed herein are methods, systems, and processes for migration between storage tiers. Such a method, for example, can include extracting one or more characteristics of a replication workload, determining one or more storage costs of each storage tier of a plurality of storage tiers (where the one or more storage costs are determined for the replication workload and the one or more storage costs are determined based, at least in part, on the one or more characteristics), identifying one or more storage tiers of the plurality of storage tiers (where the identifying is based, at least in part, on the one or more storage costs), and migrating at least a portion of the replication workload from a target storage unit in an initial storage tier to a storage unit in the one or more storage tiers. |
US11463515B2 |
Management device and management method
An acquisition unit acquires a state of a server including pieces of virtual CPE, and an instructing unit instructs CPE connected to the virtual CPE to control a communication band based on the state of the server. The instructing unit instructs the CPE to limit a communication band to a predetermined value or less based on a CPU usage rate acquired by the acquisition unit exceeding a predetermined threshold value. The instructing unit instructs the CPE to limit a communication band to a predetermined value or less in based on the number of connections of the CPE acquired by the acquisition unit being less than a predetermined threshold value. The acquisition unit acquires presence or absence of CPE not connected to the virtual CPE, and the instructing unit instructs the CPE to block communication based on the presence of CPE not connected to the virtual CPE. |
US11463511B2 |
Model-based load balancing for network data plane
Software-based data planes for network function virtualization may use a modular approach in which network functions are implemented as modules that can be composed into service chains. Infrastructures that allow these modules to share central processing unit resources are particularly appealing since they support multi-tenancy or diverse service chains applied to different traffic classes. Systems, methods, and apparatuses introduce schemes for load balancing considering central processing unit utilization of a next hop device when processing a packet that uses a service chain. |
US11463506B2 |
Load ratio based scheduling method for multiple file transfer tasks and storage device using same
An online file transfer tasks scheduling method for processing multiple file path access requests in a network, the method including: sending at least one file path access request to a corresponding one of at least one file access service module, executing a processing procedure in each of the at least one file access service module to generate a task package according to each received file path access request, and using one or more task execution units to process one or more of the task packages; and using a task execution unit balance module to periodically evaluate a load ratio between a plurality of the file access service modules, and determining the number of the task execution units for each file access service module according to the load ratio. |
US11463502B2 |
Systems and methods enhancing streaming video performance through color depth variance
Systems and methods are provided for enhancing streaming performance through controlled and selectively-applied reductions in the color depth of streamed video content. In various embodiments, the method includes receiving, at a streaming media server, a request transmitted over a communications network to stream video content to a client media receiver. In response to this request, a streaming video session is initiated between the client media receiver and the streaming media server. During the streaming video session, the streaming media server obtains the video content as video input data having an original color depth; generates an encoded video stream from the video input data, while selectively reducing a color depth of the encoded video stream; and transmits the encoded video stream over the communications network to the client media receiver. The streaming media server repeats the steps of generating and transmitting until termination of the streaming video session. |
US11463501B2 |
Method of determining the speech in a Web-RTC audio or video communication and/or collaboration session and communication system
An apparatus and method for determining the speech quality in a Web-RTC audio and/or video communication session. can include receiving an audio data stream comprising speech data transmitted from a second client used by a second participant of the session, transmitting at the at least one first client, the speech data to a transcriber to transcribe the speech data into text data and estimate or otherwise determine a confidence value for the transcribed text data to indicate a probability on the correctness of the word recognition from the speech data. The determined confidence value can be transmitted is from the at least one first client to the second client so the confidence value can be displayed to the speaking second participant via a display device of the client of that user so the user can evaluate his or her speech quality and take corrective action without interruption if needed. |
US11463498B2 |
Persisting state of a streaming application
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for persisting state of a streaming application are disclosed. In one aspect, a method includes the actions of receiving data indicating interaction with third-party content that is displayed with first-party content at a client device. The interaction with the third-party content initiates an application request for a streaming version of an application (“streaming application”). The actions further include generating a representation of the streaming application in response to the interaction with the third-party content at the client device. The actions further include receiving data indicating a user interaction with the representation of the streaming application at the client device. The actions further include generating and storing data indicating a first state of the streaming application at a first time based on the user interaction with the representation of the streaming application. |
US11463492B1 |
Moderator controls for breakout rooms
A meeting host or moderator can control communications among participants in virtual breakout rooms without requiring the host to join a breakout room as a participant. The host can run conferencing software to instantiate a meeting room and breakout rooms associated with the meeting room. The host can control communications in the breakout rooms, such as by transmitting and/or receiving content through one or more channels established by the conferencing software. The host can transmit and/or receive content such as a real time audio stream, a transcription of the audio stream, a screen or window being shared, chat messages, and the like, without joining the breakout room. |
US11463491B2 |
Systems and methods for DC power and data communication over a single pair of wires, for a quick-service restaurant
Systems and methods for facilitating intercom communication for one or more quick-service restaurant drive-throughs are disclosed. Exemplary implementations may: capture sound from a customer placing an order; generate order information signals that represent the captured sound; encode signals to form order data packets; transmit the order data packets to a base station through a single pair of wires that is also used to provide power; decode information from the order data packets; and generate order sound based on the decoded information, such that the generated order sound is audible to a staff member of the quick service restaurant through a headset. |
US11463487B2 |
System and method for sharing a SIP communication service identifier
A method for providing a user agent (UA) with service identification data. The method includes an application server (AS) transmitting Session Initiation Protocol (SIP) data. The SIP data comprises an identifier of the AS and a service identifier for at least one service supported by the AS. The method further includes the UA receiving the SIP data. |
US11463485B2 |
Method, system and entity for a media transfer session in an IMS infrastructure
There is provided a mechanism for having an operator of an IP network that is applied for transferring the media transfer session stream for an IP Multimedia Subsystem, IMS, call to relate this stream to a specific operator of the home-network of the calling party User Equipment. By having, e.g., a Session Border Gateway, SBG, insert a specific signature, associated with the operator sourcing the media transfer session for the calling party UE, into the path carrying the media transfer session stream, the operator of the IP transport network is, by discovery of the specific signature, and its characteristics enabled to discover the operator sourcing the media transfer session. |
US11463482B2 |
Adaptive access control management
Systems, methods, and related technologies for access control management are described. The access control management may be customized for an entity and be configured on an enforcement point closest to the entity. In certain aspects, an entity communicatively coupled to a network is selected and one or more characteristics of the entity determined. An access policy may be selected based on the one or more characteristics of the entity and one or more enforcement points closest to the entity determined. One or more access rules to be assigned to the one or more enforcement points based on the access policy may be determined and the one or more access rules assigned to or configured on the one or more enforcement points closest to the entity. |
US11463481B2 |
System and method for certificate-less security management of interconnected hybrid resources
This disclosure relates to method and system for certificate-less security management of interconnected hybrid resources. The method includes selecting at least one hybrid resource from a plurality of hybrid resources in network to install pre-calculated security configuration. The method further includes receiving a One Time Password (OTP) valid for pre-configured time period, in response to an identity generation request for a hybrid resource; installing security data payload including the OTP and the pre-calculated security configuration, in the hybrid resource; receiving an identity issuance request from the hybrid resource through a secure channel upon installation of security data payload in the hybrid resource; assigning unique identity to the hybrid resource upon successful validation of the OTP received in identity issuance request; and generating, upon assignment, metadata corresponding to the hybrid resource for a security association map (SAM) associated with the hybrid resource. |
US11463476B2 |
Character string classification method and system, and character string classification device
A character string classification method, a character string classification system, a character string classification device, and a computer readable storage medium are provided. The method includes: acquiring a to-be-classified character string, inputting the to-be-classified character string to a feature extractor to obtain a feature vector of the to-be-classified character string, and inputting the feature vector to a classifier to obtain a classification result of the to-be-classified character string. With the character string classification method, only the features of the character string itself are used in the character string classification process. That is, the to-be-classified character string is directly inputted to the feature extractor to obtain the feature vector, and the classifier classifies the to-be-classified character string based on the feature vector, thereby eliminating requirement for other information associated with the character string. |
US11463474B2 |
Defend against denial of service attack
The invention relates to a method for defending against a Denial of Service attack, the method comprises: monitoring data traffic; detecting that at least one source computer is involved in a Denial of Service attack; in response to the detection generating at least one data frame by modifying at least one data frame obtained from the data traffic transmitted from the at least one source computer so that a plurality of data fields representing address information of the host server as a source of the at least one generated data frame are set to correspond to address information of the at least one source computer; transmitting the generated data frame to the source computer. The invention relates also to a network device and a computer program product. |
US11463473B2 |
Large-scale malware classification system
The present disclosure provides a large-scale malware classification system, comprising a client for unloading malware and a server for receiving and classifying the malware, wherein the server comprises a deep learning module for classifying the malware. |
US11463470B2 |
Network security management for a building automation system
Methods and systems for performing an electronic security assessment of a building automation system are provided. The building automation system includes a controller and a network of electronic devices connected in electronic communication. The method includes requesting, by the controller, an electronic security scan of the controller with a data set of the controller via a secured channel to a cloud-based service. The method also includes initiating the electronic security scan of the controller based on the data set of the controller. The method further includes electronically assessing security vulnerabilities of the building automation system. The method also includes electronically assessing, by the controller, security vulnerabilities of the network of electronic devices connected in electronic communication with the controller. Also the method includes determining a recommendation list for resolving security vulnerabilities of the building automation system based on the electronically assessing security vulnerabilities. |
US11463469B2 |
Multiple sourced classification
Systems, methods, and related technologies for improving classification use multiple classification resources. Network traffic from a network may be accessed and an entity may be selected. One or more values associated with one or more properties associated with the entity may be determined. The one or more values may be accessed from the network traffic. A first classification result of the entity based on accessing one or more local profiles is determined by a processing device. In response to the first classification result meeting a condition, one or more values associated with one or more properties associated with the entity may be sent (e.g., to a cloud based classification resource). A second classification result may be received. The second classification result may be determined based one accessing at least one remote profile. At least one of the first classification result or the second classification result may be stored. |
US11463467B2 |
Advanced risk evaluation for servers
Disclosed is a computer-implemented method for analyzing server for security vulnerabilities. The method includes selecting a first server from a plurality of servers, wherein the first sever includes a plurality of accounts. The method includes identifying, by a password vulnerability scanner, weak accounts in the plurality of accounts including a first weak account. The method includes determining, by a user risk engine, a user risk score for a user associated with the weak account. The method includes determining, by a server risk engine, a server risk score for the first server, wherein the server risk score is based on a set of server factors and a set of data factors. The method includes generating, by a smart risk scorer, an overall risk score for the first server. The method includes categorizing, based on the overall risk score of the first sever, a risk level for the first server. |
US11463466B2 |
Monitoring encrypted network traffic
Embodiments are directed to monitoring network traffic using network monitoring computers (NMCs). Networks may be configured to protect servers using centralized security protocols. Centralized security protocols may depend on centralized control provided by authentication control servers. If a client intends to access protected servers it may communicate with the authentication control server to obtain keys that enable it to access the requested servers. NMCs may monitor network traffic the centralized security protocol to collect metrics associated with the control servers, clients, or resource servers. |
US11463465B2 |
Automatic determination of user roles and asset types based on network monitoring
Embodiments are directed to monitoring network traffic to determine users and assets based on the network traffic. A user role model may assign a user role and provide a role confidence score for the users based on network traffic associated with the users. An asset model may assign an asset type and provide an asset confidence score the assets based on network traffic associated with the assets. The users may be associated with assets based on the network traffic. The role confidence scores provided for the users may be modified based on the asset type assigned to assets associated with the users. The asset confidence score provided for the assets may be modified based on the user role assigned to the users associated with the assets. A report that includes information about the user roles and the asset types may be provided. |
US11463464B2 |
Anomaly detection based on changes in an entity relationship graph
Techniques are described for analyzing data regarding activity in an IT environment to determine information regarding the entities associated with the activity and using the information to detect anomalous activity that may be indicative of malicious activity. In an embodiment, a plurality of events reflecting activity by a plurality of entities in an IT environment are processed to resolve the identities of the entities, discover how the entities fit within a topology of the IT environment, and determine what the entities are. This information is then used to generate an entity relationship graph that includes nodes representing the entities in the IT environment and edges connecting the nodes representing interaction relationships between the entities. In some embodiments, baselines are established by monitoring the activity between entities. This baseline information can be represented in the entity relationship graph in the form of directionality applied to the edges. The entity relationship graph can then be monitored to detect anomalous activity. |
US11463463B1 |
Systems and methods for identifying security risks posed by application bundles
The disclosed computer-implemented method for identifying security risks posed by application bundles may include (i) intercepting, using a VPN client of the computing device, network traffic of the computing device, wherein an operating system of the computing device restricts applications into a sandboxed environment, (ii) storing, on the computing device, a copy of at least a portion of the network traffic of the computing device within a sandbox associated with the VPN client, (iii) identifying, by analyzing the copy of the network traffic, an application bundle within the network traffic, (iv) determining, by analyzing the application bundle in the sandbox associated with the VPN client, that the application bundle poses a security risk, and (v) in response to determining that the application bundle poses a security risk, performing a security action to remedy the security risk. Various other methods, systems, and computer-readable media are also disclosed. |
US11463459B2 |
Network security intrusion detection
An intrusion detection system that includes a processor configured to receive HyperText Transfer Protocol (HTTP) data and to convert the HTTP data into a data tree object that links field values from the HTTP data. The processor is further configured to identify a field value from the data object tree and to determine a set of feature values for the field value corresponding with input features for the neural network model. The processor is further configured to apply the determined set of feature values to the neural network model to generate an attack vector array. The attack vector array includes flag bits that each correspond with an attack type. The processor is further configured to trigger an event in response to determining that at least one flag bit is set. |
US11463456B2 |
Action response framework for data security incidents
An incident manager application (IM) for responding to data security incidents in enterprise networks is disclosed. An IM tracks the incidents in an enterprise network by storing incident objects and incident artifact (IA) metadata created for the incidents, where the incident objects and IAs include information concerning the incidents. Incident response team (IRT) personnel of the enterprise networks can define action conditions within the IM that are associated with the incident objects. When the information within the incident objects and/or IAs meets the defined action conditions, the IM includes the objects that cause the action conditions to be satisfied in messages. Devices such as user account databases and configuration servers within the enterprise network can then download the messages and execute actions that reference the objects extracted from the downloaded messages to implement a response to the incidents. |
US11463454B2 |
Systems and method to address the security vulnerability in wireless networks
A method of operating a secure wireless network between a master controller and a secure device is provided. The method comprising: detecting at least one of a NONCE-GET and a NONCE-REPORT using a sniffer configured to detect wireless signals from a selected wireless protocol; determining that the NONCE-GET was not transmitted by a master controller or that the NONCE-REPORT was not in response to a NONCE-GET transmitted by the master controller, the master controller being in electronic communication with the sniffer; and transmitting a new NONCE-GET to the secure device from the master controller. |
US11463453B2 |
Using a story when generating inferences using an adaptive trust profile
A system, method, and computer-readable medium are disclosed for monitoring actions of an entity. In various embodiments the monitoring includes: monitoring a plurality of electronically-observable actions of the entity, the plurality of electronically-observable actions of the entity corresponding to a plurality of events enacted by the entity; associating the plurality of events enacted by the entity with a story; and, using the story to derive an inference regarding the entity. |
US11463451B2 |
Control apparatus, access control method, and non-transitory recording medium storing a plurality of instructions
A control apparatus, an access control method, and non-transitory recording medium storing a plurality of instructions. The control apparatus transmits to an administrator terminal, screen data for accepting input of requested settings including host information for identifying the access target server and condition information indicating conditions for controlling access to the access target server, receives the requested settings from the administrator terminal, stores access control settings associating the host information and the condition information based on the received requested settings, receives an access request to a particular access target server from the communication terminal, and transmits a response to the access request to the communication terminal based on a scheduled access time indicated by the received access request and a condition indicated by condition information associated with host information for identifying the particular access target server. |
US11463449B2 |
Authentication for key access
Techniques for authentication for key access are described. In the described techniques, interaction between a client device and an assistant device is utilized to authenticate the client device for access to protected functionality and/or content. For instance, proximity between the client device and the assistant device, and physical authentication of a user with the assistant device, are leveraged for authenticating the client device for access to the protected functionality and/or content. |
US11463447B2 |
Application platform with flexible permissioning
Systems and methods are provided for an application platform with flexible permissioning. In one embodiment, an application platform with flexible permissioning comprises: a service provider server adapted to interact with an application development server and a client device over a network, the service provider server adapted to implement at least one application programming interface (API); one or more processors; and one or more memories adapted to store machine-readable instructions which when executed by the processors cause the application platform with flexible permissioning to: maintain a profile associated with at least one application developer using the application development server; receive an API call from the application developer; authenticate the application developer and authorize the API call; assign an access level to the application developer based on the profile associated with the application developer; and control permissions given to the application developer to perform operations available based on the assigned access level. |
US11463446B2 |
Team member transfer tool
The present technology can provide a mechanism for providing a team member transfer interface to an administrator user for transferring team member user accounts from one team to another and also a mechanism for transferring the team member user accounts, such as by switching an assignment of one or more user accounts from a first team to another in a single atomic action. The transferring of the team member user accounts may also depend on passing a set of validation checks that check for inconsistencies that could cause an error in the transfer, and also updating access and privileges associated with being members of certain teams. |
US11463445B2 |
Systems and methods for role-based permission integration
A content server can extend enterprise content management to a leading system in an efficient, automated, and seamless manner by leveraging the permission information provided by the leading system. The content server can sync the permission information with the leading system, evaluate user-manager relations, role-based rule definitions, and user-group associations defined in the leading system, and determine and/or update role memberships for workspaces created in the content server for users in the leading systems. In this way, even though the content server and the leading system have very different types of roles and permission models, the content server can evaluate complex relationships and role-based rules and intelligently, correctly, and quickly assign the right people to the right roles in the right workspaces in the content server. |
US11463443B2 |
Real-time management of access controls
Aspects of the disclosure relate to real-time management of access controls. A computing platform may detect, via the communication interface, a trigger related to an activity of an enterprise user over a network. Then, the computing platform may retrieve, via the communication interface and from the network device, data associated with the activity. The computing platform may then compare, via the computing device, the retrieved data with a central tendency for activities with the network device. Subsequently, the computing platform may identify, based on the comparing, a deviation from the central tendency. Then, the computing platform may adjust, dynamically in real-time and in response to identifying the deviation, an access control or multiple access controls for the enterprise user to the network device. |
US11463441B2 |
Systems and methods for managing the generation or deletion of record objects based on electronic activities and communication policies
The present disclosure relates to for managing the generation or deletion of record objects based on electronic activities and communication policies. Data of a plurality of electronic activities from one or more electronic accounts of the entity may be identified. It may be determined whether the identified data satisfies a communication policy. The communication policy may include one or more rules based on the electronic activities. Instructions to generate a contact record object or instructions to delete an existing contact record for the entity may be transmitted based on the condition of the communication of the communication policy that is satisfied. |
US11463440B2 |
Cloud-based shared security cache
There is disclosed in one example a computing apparatus, including: a processor and a memory; a network interface; and a security agent including instructions encoded within the memory to instruct the processor to: identify an unknown software object; query, via the network interface, a global reputation store for a global reputation for the unknown software object; receive a response from the global reputation store and determine that the unknown software object does not have a reliable global reputation; compute a local reputation for the unknown software object; and share the local reputation for the unknown software object with the global security cache. |
US11463437B2 |
Device activation verification
A method can include detecting an activation of a networked device. The method can further include obtaining a hazard score corresponding to a degree of hazard associated with the networked device. The method can further include determining an activation confidence score corresponding to the activation of the networked device. The method can further include determining, based at least in part on the hazard score and the activation confidence score, an adjusted activation confidence score. The method can further include determining that the adjusted activation confidence score exceeds a threshold. The method can further include initiating a deactivation of the networked device in response to the determining that the adjusted confidence score exceeds the threshold. |
US11463431B2 |
System and method for public API authentication
A system and method for public API authentication by an API server includes receiving from a client/app a PK request for a Partial Key (PK), having a User ID, Session ID, rolling hash function (Fn2) version defining a client/app hash function (Fn2), and a received Temporary Key (TK); validating the received TK using Fn2 with the Session ID and either an Initial Key (IK) or a current PK; when the TK validation is complete, sending a PK calculated using a PK hash function (Fn1) with the User ID and a slot-generated rolling random number; receiving an API request for an API service having the User ID, Session ID, Fn2 version, and a received Authorization Key (AK); validating the received AK using Fn2 with the Session ID and the current PK; and when AK validation is complete, sending a successful response from the API service. |
US11463430B2 |
Authentication based on shared secret updates
Techniques are provided for authenticating a user using shared secret updates. One method comprises, in response to a first authentication of a client using a given shared secret, updating, by the server, the given shared secret using information from the first authentication as part of a secret update protocol to generate an updated shared secret; and evaluating a second authentication using the updated shared secret. An anomaly may be detected when the client attempts the second authentication using a shared secret and the server determines that the shared secret was previously used for an authentication. The server may detect a breach of shared secrets of multiple users by monitoring a number of the detected anomalies across a user population and initiate a predefined recovery flow depending upon a number of impacted users. |
US11463427B2 |
Technologies for token-based authentication and authorization of distributed computing resources
Technologies for token-based access authorization to an application program interface (API) include an access management server to receive a service request message from an application executed by a remote computing device. The service request message includes a digitally signed license token previously generated by the access management server and distributed to the remote computing device. The service request message also includes a request from the executed application to access data or a service of the resource server via an exposed API. The access management server verifies the digital signature of the digitally signed license token and generates a digitally signed Security Assertion Markup Language (SAML) token. The digitally signed SAML token is transmitted to the resource server for verification and local caching. The resource server receives the service request message and determines whether access to the requested data or service is authorized based on the locally-cached SAML token. |
US11463426B1 |
Vaultless authentication
Various embodiments of the present technology use a combination of static and rotating access credentials to access target devices. Some embodiments start with a multi-factor authentication (MFA) token that can be used to log into the platform head-end. If approved, a landing page requesting login credentials can be presented to the user. The user can provide a username and password via landing page and select a PAM or CASB target. The system then issues a secondary access credential (e.g., a pin/token) that is unknown to the user and is placed into a vault. A dynamic credential can be dynamically generated at each request. The target device can use the static access credential from the vault and the dynamic access credential for access to the device. As such, even if the vault is comprised, the target device would be inaccessible without the dynamic token which constantly changing. |
US11463417B2 |
Encryption processing method and apparatus
There is provided an encryption processing method performed by an encryption processing apparatus. The encryption processing method comprises compressing data to obtain compressed data, determining, within the compressed data, a section to be encrypted and encrypting the section to obtain partially encrypted data. |
US11463413B2 |
Media distribution system with manifest-based entitlement enforcement
A method for enforcing entitlements includes configuring a wide variety of entitlements at a server; determining applicable combination of entitlements for a given client request; sending entitlements to the requesting client securely; handling entitlement information securely on a plurality of client devices at run time; storing entitlement information securely on a plurality of client devices for offline use; and enforcing entitlements on a plurality of client devices. The method employs manipulation of manifest files by a proxy that may be included in the client device or located in the network. |
US11463411B1 |
Header-based authentication in a virtual private network
A method in a virtual private network (VPN) environment, the method including receiving, at a first processor from a second processor, a connection request for obtaining VPN services; determining, by the first processor, custom headers including a timing header, an authorization header, a digest header, and a signature header; transmitting, by the first processor to the second processor, a response including the custom headers and a payload indicating a VPN server for providing the VPN services; and transmitting, by the second processor to the VPN server, a request for obtaining the VPN services based at least in part on authenticating the custom headers. Various other aspects are contemplated. |
US11463410B2 |
Cloud-native VPN service
Presented herein are techniques for establishing VPN services. According to example embodiments, an initial VPN message configured to establish a VPN session between the initiating device and a responding device is received at a VPN node. The initial VPN message is received from an initiating device. Data indicative of the initiating device and data indicative of the responding device is extracted from the initial VPN message. A VPN namespace is established to facilitate the VPN session between the initiating device and the responding device based on the data indicative of the initiating device and the data indicative of the responding device. One or more messages comprising data indicative of the VPN session are transmitted to a database. |
US11463406B2 |
System and method for detecting potentially harmful data
A method includes receiving electronic data, extracting a first identifier from the electronic data, extracting first attributes from the electronic data, and searching a database for identifiers that match the first identifier to determine a number of matching identifiers. The method also includes determining that the number of matching identifiers exceeds a first threshold and searching the database for attributes associated with each of the matching identifiers to determine a subset of matching attributes. The method further includes calculating a specificity for the subset of matching attributes, determining that the specificity of the subset of matching attributes is less than or equal to a second threshold, and creating a filter based at least in part on the determination that the specificity of the subset of matching attributes is less than or equal to the second threshold. |
US11463398B2 |
Address resolution handling at logical distributed routers
Example methods for a network device to perform address resolution handling. The method may comprise: in response to a first distributed router (DR) port of a first DR instance detecting an address resolution request from a second DR port of a second DR instance, generating a modified address resolution request that is addressed from a first address associated with the first DR port instead of a second address associated with the second DR port. The modified address resolution request may be broadcasted within a logical network that is connected to the first DR instance through network extension. The method may also comprise: in response to detecting an address resolution response that includes protocol-to-hardware address mapping information associated with an endpoint located on the logical network, generating and sending a modified address resolution response towards the second DR port of the second DR instance. |
US11463389B1 |
Message modification based on device compatability
Systems and methods are presented herein for modifying messages transmitted between a first computing device and a second computing device based on the determination of a context of messages transmitted between the first and second computing devices. A first message, prepared to be transmitted to a second computing device, is prepared at a first computing device. Based on an identifier corresponding to the second computing device, a plurality of devices communicably coupled to the second computing device are determined. Selectable options are generated at the first computing device which, when selected, determine which of the second computing device or one of the plurality of communicably coupled devices will receive the transmitted message. Based on the selection of an option, the message may be modified to fit the format of the device corresponding to the selected option and transmitted to the device corresponding to the selected option. |
US11463386B2 |
Systems and methods for generating conversational responses using machine learning models
Methods and systems are described for generating dynamic conversational responses using two-tier machine learning models. The dynamic conversational responses may be generated in real time and reflect the likely goals and/or intents of a user. The two-tier machine learning model may include a first tier that determines an intent cluster based on a feature input, and a second tier that determines a specific intent from the cluster. |
US11463383B2 |
Multi-destination packet redaction
Presented herein are techniques for redacting mirrored network packets prior to providing the mirrored packets to an intended recipient application, such as a third-party analysis application. More specifically, a multi-destination packet redaction device obtains mirrored network traffic that comprises one or more mirrored network packets. The multi-destination packet redaction device filters the mirrored network traffic to determine an intended recipient application of the one or more mirrored network packets and applies a redaction process to redact one or more portions of at least one of the one or more mirrored network packets. The redaction process is customized based on one or more attributes of the intended recipient application. |
US11463382B2 |
Communication control system and communication control method
A communication control system is a communication control system including: a plurality of layer 2 switches; and a control apparatus. Each of the plurality of layer 2 switches includes a queue having a queue length being adjustable for each of transfer routes of data, and a transmission unit configured to transmit the data stored in the queue for each of the transfer routes to a subsequent destination of the data at a data rate being adjustable for each of the transfer routes. The control apparatus includes an adjustment processing unit configured to acquire information representing a discarded data amount being a data amount of the data discarded in the queue from one of the plurality of layer 2 switches having discarded the data, and adjust the queue length and the data rate of each of the plurality of layer 2 switches for each of the transfer routes, based on the discarded data amount. |
US11463380B2 |
Dynamic packet routing
Dynamic packet routing based on fabric awareness information is presented. Networking nodes in a networking fabric observe environmental properties across the fabric. When differences in environment properties between portions of the fabric are detected, differences in power consumption costs for example, the fabric generates corresponding routing tables. The networking nodes can then route traffic in a manner that is sensitive to the environment properties, power consumption or the cost of power for example. |
US11463378B2 |
Digital switch, wireless communication device, control station, and wireless communication control method for switching a route of communication data
Provided is a digital switch including: a plurality of input-side memories, which are arranged in a one-to-one correspondence with a plurality of input ports, and are configured to accumulate time-division multiplexed data; a plurality of output-side memories, which are arranged in a one-to-one correspondence with a plurality of output ports, and are configured to accumulate time-division multiplexed data; and a switch matrix configured to receive, as input, the time-division multiplexed data read out in every cycle from each of the plurality of input-side memories, and execute routing for selecting, in accordance with a connection control signal received from outside, any one of the plurality of output-side memories such that the time-division multiplexed data read out in every cycle is output from each of the plurality of output ports without causing a difference in delay, to output the time-division multiplexed data. |
US11463376B2 |
Resource distribution method and apparatus in Internet of Things, device, and storage medium
Embodiments of the present application provide a resource distribution method and apparatus in Internet of things, a device, and a storage medium. The method includes: discovering, by a serving device, servers with resource directories from a server cluster; and distributing, by the serving device, resource information to at least two servers of the servers with the resource directories. According to the embodiments of the present application, resource discovery may be improved in reliability. |
US11463375B1 |
Online software platform (OSP) accessing digital rules updated based on client inputs
An online software platform (OSP) classifies challenges to digital rules into buckets according to respective challenged digital rules that were applied to produce respective challenged resources. The OSP computes respective statistics for the buckets. Each bucket may have a corresponding statistic associated with the bucket based on a current total number of challenges that have been classified into that bucket. The OSP ranks the buckets according to the respective statistics of the buckets. The OSP may correct, based on the ranking of the buckets, the respective challenged stored digital rule of the selected bucket without yet correcting the respective challenged digital rule of at least one of the other buckets. This correction is stored and included in digital rules to be used to produce resources going forward. |
US11463361B2 |
Rate adaptive transactions
Examples disclosed herein relate to a system comprising a request transmitter to transmit a plurality of transaction requests from a first daemon to a central database, wherein the first daemon belongs to a plurality of daemons using the central database to communicate with each other to perform networking related functions. The system may include a baseline determiner to determine a baseline response time for receiving a response to the plurality of transaction requests, a transaction request transmitter to transmit a transaction request, belonging to the plurality of daemons, to the central database and a transaction requester determiner to determine that the central database is processing more requests that it can handle. The system may include a delay time generator to generate a delay time for a subsequent transaction request to the central database and a subsequent request transmitter to transmit the subsequent transaction request to central database. |
US11463354B2 |
Offloads for multicast virtual network packet processing in a network interface card
Systems and methods of offloading multicast virtual network packet processing to a network interface card are provided. In an example implementation, a network interface card can route packets in a virtual network. The network interface card can be configured to receive a data packet having a multicast header for transmission to a plurality of destination virtual machines. The network interface card can retrieve a list of next hop destinations for the data packet. The network interface card can replicate the packet for each next hop destination. The network interface card can encapsulate each replicated packet with a unicast header that includes a next hop destination virtual IP address indicating the next hop destination and a source virtual IP address, and transmit the encapsulated packets. |
US11463353B2 |
Methods and apparatus for use in providing transport and data center segmentation in a mobile network
In a mobile network, an identity of a security group associated with user equipments (UEs) may be obtained. A segment route (SR) path for session communications in the mobile network for the UEs may be selected based on the identity of the security group. The SR path may be one of a plurality of SR paths in a transport network used by the mobile network and defined at least in part by one or more segment IDs (SIDs). An identity of a virtual network associated with the security group may also be obtained. The selected SR path and the identity of the virtual network may be provisioned in one or more routers of the transport network, such that IP messages communicated for the UEs in the mobile network are forwarded via the selected SR path and (at least ultimately) via the tunnel associated with the security group. |
US11463349B2 |
Fault diagnosis method and apparatus thereof
Various embodiments provide a fault diagnosis method and an apparatus. In those embodiments, a centralized management apparatus receives a first packet from a first network device by using a first IGP monitoring protocol session, where the first packet includes a first message sent by the first network device to a second network device. The centralized management apparatus receives a second packet from the second network device through a second IGP monitoring protocol session, where the second packet includes a second message sent by the second network device to the first network device. The centralized management apparatus performs fault diagnosis based on the first packet and the second packet. |
US11463348B2 |
Link fault detection method, apparatus, and system
A link fault detection method includes sending, by a first network device, data traffic to a second network device by using a plurality of first label switched paths (LSPs). The method also includes determining, by using each of the plurality of first LSPs within a preset period, whether a first link detection packet from the second network device is received. The method further includes determining an LSP of the plurality of first LSPs for which the first link detection packet is not received as a first faulty LSP. The method additionally includes calculating a first unavailability of the plurality of first LSPs based on the first faulty LSP. The method also includes triggering the plurality of first LSPs to stop transmitting the data traffic according to the first unavailability of the plurality of first LSPs. |
US11463340B2 |
Configurable network traffic parser
Systems, methods, and related technologies for parsing network traffic are described. Network traffic transmitted by a set of devices communicatively coupled to a network is obtained. A set of protocol fields for parsing the network traffic is determined. The set of protocol fields are associated with a set of processing engines. The network traffic is parsed to determine a set of field values from the network traffic based on the set of protocol fields. The set of field values are transmitted to the set of processing engines. |
US11463338B2 |
Method for measuring available bandwidth and communications apparatus
A method for measuring available bandwidth includes a transmit end that sends a first probe sequence to a receive end, and receives a first available bandwidth measurement result from the receive end, the transmit end determines a second probe sequence based on the first available bandwidth measurement result, where the second probe sequence includes a group of probe packets with increasing sending rates, a range of the sending rates of the second probe sequence is the same as a range of the sending rates of the first probe sequence, the transmit end sends the second probe sequence to the receive end, and receives the second available bandwidth measurement result from the receive end, and the transmit end obtains the available bandwidth based on the second available bandwidth measurement result. |
US11463334B1 |
System and method for network traffic classification using snippets and on the fly built classifiers
A system and method for traffic classification using snippets and on-the-fly traffic classifiers can build traffic classifiers that leverage interpretable feature sets without the need to inspect payloads—ensuring functionality across clear-text and encrypted flows. In one embodiment, the system identifies n-grams (“snippets”) in a network flow's sequence-of-message-lengths that are strongly indicative of a given class of traffic and predicts a network flow's class by assessing the presence of snippets relevant to different classes. |
US11463333B2 |
Distributed assignment of video analytics tasks in cloud computing environments to reduce bandwidth utilization
Example task assignment methods disclosed herein for video analytics processing in a cloud computing environment include determining a graph, such as a directed acyclic graph, including nodes and edges to represent a plurality of video sources, a cloud computing platform, and a plurality of intermediate network devices in the cloud computing environment. Disclosed example task assignment methods also include specifying task orderings for respective sequences of video analytics processing tasks to be executed in the cloud computing environment on respective video source data generated by respective ones of the video sources. Disclosed example task assignment methods further include assigning, based on the graph and the task orderings, combinations of the video sources, the intermediate network devices and the cloud computing platform to execute the respective sequences of video analytics processing tasks to reduce an overall bandwidth utilized by the sequences of video analytics processing tasks in the cloud computing environment. |
US11463330B2 |
System and methods for scalable cloud-based platform and related applications
A scalable cloud-based platform for computer services includes a service router configured to receive a connection request to one or more services from each of one or more clients. Upon establishing the connection via appropriate handshake protocol, the connection remains persistent until the requested service is completed. The system further includes a container manager configured to load and process each service of a plurality of services in a separate container and a resource connection manager configured to provide mapping of one or more resources to the loaded services. |
US11463329B2 |
Method for using an extended workstation, and an associated system for using an extended workstation
A method is provided for using an extended workstation. The method includes: determining a first object and a second object suitable for being used by a user, the extended workstation including each object determined during the step of determining the first object and the second object; determining a technical resource of the second object and determining an access giving access to the resource enabling the resource to be used; storing in a server an identifier of the determined technical resource in association with an identifier of the second object and an identifier of the access for accessing the resource; and using the technical resource by the first object via the access giving access to the resource. |
US11463326B2 |
Lightweight ring manager with distributed policies
According to one or more embodiments of the disclosure, a particular networking device located in a ring of networking devices of a network receives an indication from a supervisory service that the particular networking device has been designated a ring manager for the ring of networking devices. The particular networking device determines that the supervisory service is unreachable by the ring of networking devices. The particular networking device obtains telemetry data regarding a new device connected to the ring of networking devices. The particular networking device onboards, based on the telemetry data, the new device to the network, when the supervisory service is unreachable by the ring of networking devices. |
US11463323B2 |
Discovery process identification and classification
Embodiments presented herein provide apparatus and techniques for identifying and classifying processes and associated applications executing in a network. All processes executing in a network may be identified using a discovery process. The processes may be clustered based on associations between the processes. Suggested application entries may then be generated based at least in part on the clusters of processes. A configuration item type and a discovery pattern may be generated for each suggested application entry. A subsequent discovery process may use the configuration item type and discovery patterns to identify associated configuration items in the network. |
US11463322B1 |
Digital twin architecture for internet-connected device computing environment
Techniques are disclosed for generating a virtual representation (e.g., one or more digital twin models) of an internet-connected device computing environment, and managing the internet-connected device computing environment via the virtual representation. By way of example only, such techniques enable understanding, prediction and/or optimization of performance of applications and/or systems operating in the internet-connected device computing environment. |
US11463320B2 |
Method and apparatus for modeling NETCONF-based network system instructions with YANG language
Disclosed are a method and apparatus for modeling a network configuration protocol (NETCONF)-based network device instruction with a yet another next generation (YANG) language. The method of modeling the NETCONF)-based network device instruction with the YANG language includes: searching for at least one instruction from a source file for controlling a NETCONF-based network device; parsing the retrieved instruction into a plurality of tokens; mapping each parsed token with a data type of the YANG language according to a previously defined mapping rule; and generating a YANG model corresponding to the at least one instruction according to mapping results. Accordingly, the YANG model is immediately generated reflecting changes in an instruction of a network system. |
US11463317B2 |
Referent system for devices of an NFV network
A network functions virtualization (NFV) network can be configured to operate according to NFV protocols that decouple software functionality from specific hardware elements. A referent system can be provided that identifies a precise physical location of devices associated with the NFV network relative to other equipment or devices associated with the NFV network. |
US11463311B2 |
Software defined network lifecycle tracking and management
A device in an evolved packet core (EPC) which includes a processor and a memory. The processor effectuates operations including receiving, from one or more devices residing within a customer premise equipment (CPE) portion of a telecommunications network, sensor data associated with one or more customers and in response to receiving the sensor data, generating a data request for an ecosystem status for the CPE portion of the telecommunications network. The processor further effectuates operations including obtaining customer information for the one or more customers and creating an analytics environment, using the customer information, for the one or more customers. The processor further effectuates operations including performing, within the analytics environment, analytics on the sensor data to determine a state of the CPE portion of the telecommunications network for the one or more customers and in response to performing analytics on the sensor data, optimizing the telecommunications network. |
US11463307B2 |
Conflict-free change deployment
A new scalable approach to conflict-free deployment of changes across networks. The conflict rules or constraints may be modeled using policies and algorithms to determine an optimized schedule for change deployment. |
US11463306B2 |
Fast provisioning in cloud computing environments
In one embodiment, a method includes a method for provisioning private-cloud server nodes by receiving a request to provision a specified number of server nodes for a private cloud, wherein the request is associated with a user, identifying a plurality of server nodes including (a) the specified number of hypervisor server nodes from a first pool that includes prepared hypervisor server nodes, each of which includes a previously-installed hypervisor, and (b) a management server node from a second pool that includes prepared management server nodes, each of which includes a previously-installed hypervisor and one or more previously-installed management components, configuring the identified server nodes to use a network associated with the user, creating a private cloud that includes the identified server nodes, and providing, to the user, permission to access the identified server nodes. |
US11463305B2 |
Method and apparatus for configuring network device, and storage medium
This application discloses a method and an apparatus for configuring a network device, and a storage medium, and belongs to the field of data transmission technologies. The method includes: determining, in a plurality of terminal groups based on a packet receiving and sending characteristic of a target terminal, a target terminal group to which the target terminal belongs, where the packet receiving and sending characteristic is determined based on a plurality of packets received and sent by the target terminal, and the plurality of terminal groups are in a one-to-one correspondence with a plurality of configurations; and configuring a to-be-configured network device based on a target configuration corresponding to the target terminal group, where the to-be-configured network device is a network device that forwards the plurality of packets. This application effectively reduces workload in a configuration process. This application is used to configure the network device. |
US11463304B2 |
Service recovery in a software defined network
In one example, the present disclosure describes a device, computer-readable medium, and method for restoring local access elements in a software defined network (SDN) following service outages. For instance, in one example, a method includes retrieving, by a software defined networking local access element connected to a customer premises, configuration data and customer provisioning data from equipment located at the customer premises and initializing the software defined networking local access element with the configuration data and customer provisioning data to provide service to the customer premises. |
US11463299B2 |
Ranking alerts based on network monitoring
Embodiments are directed to monitoring network traffic. A monitoring engine may monitor network traffic associated with a plurality of entities in networks to provide metrics. And provide a device relation model based on the plurality of entities, the network traffic, and the metrics. An inference engine may associate each entity in the plurality of entities with an importance score based on the device relation model and the metrics such that each importance score is associated with a significance of an entity to operations of the networks. An alert engine may generate a plurality of alerts associated with the plurality of entities based on the metrics. And provide one or more alerts from the plurality of alerts to one or more users based on one or more ranked importance scores associated with one or more entities. |
US11463298B2 |
Mediating apparatus, device management system, communication control method, and non-transitory recording medium
A mediating apparatus, a device management system, a communication control method, and a non-transitory recording medium. The mediating apparatus displays on a display, a screen presenting communication connection status of the communication of the one or more devices, receives selection of a device to be registered in the mediating apparatus, among the one or more devices displayed on the screen presenting the communication connection status, receives a registration request to register the device in the mediating apparatus, and in response to the registration request, connect communication between the mediating apparatus and the device, after disconnection of communication between the remote management system and the device. |
US11463295B2 |
Method for performing D2D operation in wireless communication system, and terminal using same
Provided are a method for performing device-to-device (D2D) operation of a terminal in a wireless communication system, and a terminal using the same. The method is characterized by applying frequency synchronization on the basis of a primary cell of a first frequency, applying time synchronization on the basis of a non-serving cell of a second frequency for which D2D operation is to be performed, and performing the D2D operation on the basis of the frequency synchronization and the time synchronization. |
US11463283B1 |
Split-path equalizer and related methods, devices and systems
This disclosure provides a split-path equalizer and a clock recovery circuit. More particularly, clock recovery operation is enhanced, particularly at high-signaling rates, by separately equalizing each of a data path and an edge path. In specific embodiments, the data path is equalized in a manner that maximizes signal-to-noise ratio and the edge path is equalized in a manner that emphasizes symmetric edge response for a single unit interval and zero edge response for other unit intervals (e.g., irrespective of peak voltage margin). Such equalization tightens edge grouping and thus enhances clock recovery, while at the same time optimizing data-path sampling. Techniques are also disclosed for addressing split-path equalization-induced skew. |
US11463281B2 |
Managing network packet flows based on device information
Methods and apparatus are disclosed that enable information about devices connected behind a gateway, such as a home gateway, to be made available to and used by other entities, such as servers and routers, on a communications network. |
US11463279B2 |
Method and apparatus for implementing a flexible virtual local area network
A method and apparatus for implementing a virtual local area network. The method includes determining a global virtual local area network for transmitting a broadcast data frame in response to receiving the broadcast data frame at a first switch, encapsulating the broadcast data frame based at least in part on said determination and transmitting it to at least one second switch over the determined global virtual local area network. The broadcast data frame is received at the second switch and an identifier of the global virtual local area network is obtained according to the broadcast data frame. Based at least in part on the identifier of the global virtual local area network, it is determined that which local virtual local area network served by the second switch the de-capsulated broadcast data frame can be sent to. |
US11463278B2 |
Message transmission methods and apparatuses
One or more embodiments of this specification provide a message transmission method and apparatus applied to a relay node in a blockchain relay communication network. The method includes: receiving, by a relay node in a blockchain relay communication network, a plurality of message packets, each message packet configured to record a partial message content of a message to be transmitted; parsing, by the relay node, the plurality of message packets to obtain encapsulation information of the message to be transmitted, the encapsulation information configured to indicate a type of a blockchain message within the encapsulation information in the message to be transmitted; determining, by the relay node, that the encapsulation information indicates that the blockchain message is a block synchronization message; and forwarding, by the relay node, at least one of the plurality of message packets without receiving all of the plurality of message packets corresponding to the message to be transmitted. |
US11463276B2 |
System and method for providing a multi-dimensional ring-lattice network topology
Described herein are systems and methods providing a multi-dimensional ring-lattice network topology. Systems and methods disclosed herein provide for constructing network topologies in a form of a partial mesh (a partially connected network), where a bridge is capable of forwarding packets through other bridges when a direct link to the destination compute device is not available. A temporary on-demand tunnel is created by virtual networking software on-demand, to facilitate a direct tunnel between two virtual network interfaces where such a direct connection is not available with a permanent tunnel, and where there is sufficient traffic demand between these two interfaces that justifies a direct tunnel. The described approach provides a framework for achieving a compromise between link count limitation, and packet-forwarding path length, that can be tailored to address particular network requirements, together with a way to reliably predict the performance of the resulting network. |
US11463274B2 |
Third party application enablement for node networks deployed in residential and commercial settings
An apparatus in an illustrative embodiment comprises at least one processing device comprising a processor coupled to a memory. The processing device is configured to receive sensor data from one or more nodes of a node network, to compute predicate data based at least in part on the received sensor data, to transmit at least a portion of the received sensor data and the computed predicate data to a third party application, to receive additional data from the third party application responsive to the transmitted portion of the received sensor data and the computed predicate data, to generate a control signal based at least in part on the received sensor data, the computed predicate data, and the received additional data from the third party application, and to transmit the control signal to at least one of the nodes of the node network. Other illustrative embodiments include methods and computer program products. |
US11463265B2 |
Data center security mechanism
A system to facilitate data center security is described. The system includes a processor and a machine readable medium storing instructions that, when executed, cause the processor to receive a plurality of resources that are to be provided to process a workload, receive one or more characteristics associated with each of the plurality of resources, generate a resource signature for each of the plurality of resources using the one or more characteristics associated with each resource and generate an aggregated signature using the resource signatures generated for each of the plurality of resources. |
US11463256B2 |
Methods for internet communication security
The present disclosure relates to network security software cooperatively configured on plural nodes to authenticate and authorize devices, applications, users, and data protocol in network communications by exchanging nonpublic identification codes, application identifiers, and data type identifiers via pre-established communication pathways and comparing against pre-established values to provide authorized communication and prevent compromised nodes from spreading malware to other nodes. |
US11463254B2 |
Cryptographic key control based on debasing condition likelihood estimation
In representative embodiments, systems and methods to calculate the likelihood that presented cryptographic key material is untrustworthy are disclosed. A predictive model based on a debasing condition and a dataset is created by evaluating the dataset relative to the debasing condition. For example, if certificate revocation is selected as the debasing condition, the dataset is analyzed to produce a predictive model that determines the likelihood that a presented certificate is untrustworthy based on similarity to already revoked certificates. The predictive model can include a supervised learning model like a logistic regression model or a deep neural network model. The system can be used in conjunction with existing security infrastructures or can be used as a separate infrastructure. Based on the likelihood score calculated by the model, a relying system can reject the cryptographic key material, accept the cryptographic key material or take other further action. |
US11463252B2 |
Method and system for securely registering cryptographic keys on a physical medium for cryptographic keys, and physical medium produced
The present invention relates to a method and a system for inscribing and securely storing cryptographic keys on a physical medium, and to a corresponding physical medium, comprising the following steps: from a first management entity (31), generating (1) a first pair of asymmetric cryptographic keys comprising a first user public key (pub1) and a first user private key (priv1), inscribing (2) the first user private key (priv1) onto a physical medium, and affixing (4) a first tamper-evident concealing element (hol1) to the physical medium in order to conceal the first user private key (priv1) and seal same, said first user private key (priv1) being accessible only by visibly breaking said first tamper-evident concealing element (hol1); from the second management entity (32), generating (6) a second pair of asymmetric cryptographic keys comprising a second user public key (pub2) and a second user private key (priv2), inscribing (7) the second user private key (priv2) onto the physical medium and affixing (9) a second tamper-evident concealing element (hol2) to the physical medium in order to conceal the second user private key (priv2) and seal same, said second user private key (priv2) being accessible only by visibly breaking said second tamper-evident concealing element (hol2); generating (10) at least one last user public key (pub0) and/or at least one cryptographic address (adr, adr-mult) from the first user public key (pub1) and the second user public key (pub2), inscribing (11) said at least one last public user key (pub0) and/or said at least one cryptographic address (adr, adr-mult) onto the physical medium, and verifying (12, 13) same, and finally recovering the private keys (priv1, priv2) comprising the generation of a last user private key (priv0) corresponding to the last user public key (pub0) and/or to said at least one cryptographic address (adr, adr-mult). |
US11463251B2 |
Method for secure management of secrets in a hierarchical multi-tenant environment
The present invention relates to a method of securely using a first tenant secret key stored under an encrypted form in a first token (TKA) of a first tenant (A) identified by a first tenant identifier (UIDA) and having said first tenant secret key, wherein: each tenant identifier (UIDT) for a tenant (T) comprises a first value and, when said tenant (T) is allowed to use a secret key of a parent tenant (Tp) identified by a parent tenant identifier (UIDTP), said parent tenant identifier, appended before said first value, and said first token (TKA) has been generated from said first tenant identifier (UIDA) and a first tenant secret key encrypted with said first tenant identifier (UIDA) and with a first tenant customer master key (CMKA), said first tenant customer master key (CMKA) having been derived from said first tenant identifier (UIDA) and a secure domain master key (SDMK), said method comprising the following steps performed by a secure device storing said secure domain master key (SDMK), on request of a second tenant (B) identified by a second tenant identifier (UIDB): —getting a first tenant identifier (UIDA) of said first tenant (A) from said first token (TKA), —checking if the first tenant identifier (UIDA) is a prefix of or is equal to said second tenant identifier (UIDB), —when said first tenant identifier (UIDA) is a prefix of or is equal to said second tenant identifier (UIDB), recovering said first tenant secret key stored in said first token (TKA) and using it for the second tenant (B). |
US11463245B2 |
Internet of things (IOT) based wireless tracking, monitoring and anti-tamper parcel packaging
The present disclosure relates to a parcel monitoring system, method and electronic device (e-device) for secure packaging, shipment, receipt and tracking of parcels. The tamper-proof seal (102) can include a transceiver (406) to communicate with one more devices at remote location to transmit information associated with the package, and a plurality of slots (408-1, 408-2, 408-3, 408-4) adapted to receive one or more strings (104) in each of said plurality of slots (408-1, 408-2, 408-3, 408-4). In an embodiment, the said one or more strings (104) are electrically connected to each of said plurality of slots such that an interruption in said electrical connection triggers said transceiver (406) to transmit a notification to said one more devices as an indication of seal tampering. |
US11463244B2 |
Electronic apparatus, method of controlling the same, and network system thereof
An electronic apparatus includes: a communicator configured to communicate with an intermediate server and an other electronic apparatus; a memory in which an encryption key and a decryption key generated by the electronic apparatus are stored; and a controller configured to transmit the encryption key generated by the electronic apparatus to the other electronic apparatus through the intermediate server and performs control such that a network with the other electronic apparatus is formed. |
US11463243B2 |
Key generation method and apparatus using double encryption
The disclosure provides a key generation method and apparatus. The key generation method comprises: encrypting a first key factor generated by a first device with an initial key, and sending the encrypted first key factor to a second device through a first secure channel, wherein the initial key is a key preset for the first device and the second device; receiving, through the first secure channel, a second key factor encrypted with the initial key, wherein the second key factor is generated by the second device; decrypting the second key factor encrypted with the initial key and received through the first secure channel, so as to obtain the second key factor; and generating a shared key between the first device and the second device according to the first key factor and the second key factor. According to the disclosed embodiments, a gateway device is unable to acquire a shared key negotiated between a first device and a second device, ensuring the security of data transmitted there between, and further reducing the risk of data being illegally captured during transmission. |
US11463242B2 |
Padding oracle elimination in RSA encryption
A method, a computer program product, and a system for removing padding oracles in encryption techniques. The method includes padding a plaintext message using a padding scheme producing a padded plaintext message. The method also includes encrypting the padded plaintext message using a block cipher generating an encrypted data block of fixed-size as well as a hash value. The method further includes randomly generating an ephemeral key and an initialization vector. The method also includes prepending the hash value, the ephemeral key, and the initialization vector to the encrypted data block. The method includes performing an encryption technique to the encrypted data block prepended with the hash value, the ephemeral key, and the initialization vector. |
US11463234B2 |
Maintaining repeater accuracy for satellite signal delivery systems
Systems and methods for maintaining synchronization of repeater networks with Global Positioning System (GPS) signals using phase locked loops (PLLs) and based on generation of predicted control words for controlling local oscillator frequencies is described. The predicted control words can be generated based on performing a linear fit of control words generated over a predetermined duration of time. Phase locked loops with additional false GPS pulse identification and GPS signal loss compensation circuitry can enforce a false pulse count threshold and/or an error threshold. The additional circuitry and prediction of control words can overcome errors in GPS receiver outputs and maintain accuracy of signal timings across single frequency networks using inexpensive local oscillators. |
US11463228B2 |
Duplexing modes based on power configurations for transmissions
Methods, systems, and devices for wireless communications are described. A wireless device may identify a set of power configurations for a plurality of communications with at least one target device. The set of power configurations may be based at least in part on a type of signal, a type of channel, a parameter of the wireless device, a parameter of the target device, or a combination thereof. The wireless device may then determine a duplexing mode for the plurality of communications based at least in part on the set of power configurations. The duplexing mode may be, for example, a full duplex mode or a half-duplex mode. The wireless device may then transmit the plurality of communications to and/or receive the plurality of communications from the at least one target device according to the set of power configurations and the selected duplexing mode. |
US11463227B2 |
Activated secondary cells transition between dormancy behavior and active behavior in 5G NR system
Aspects of the disclosure provide a method and an apparatus for transitioning one or a plurality of activated secondary cells (SCells) between a dormancy behavior and an active behavior. For example, the apparatus can include receiving circuitry and processing circuitry. The receiving circuitry can be configured to receive a configuration indicating a number of SCell groups each including at least one of the SCells, and an indication of at least one of the SCell groups to be transitioned between the dormancy behavior and the active behavior. The processing circuitry can be configured to transition the at least one SCell of the at least one SCell group between the dormancy behavior and the active behavior. |
US11463226B2 |
Resource indication method and communications device
This application describes a resource indication method and a communications device. A resource indication method may include sending, by a first device, first indication information to a second device in an nth time unit, where the first indication information indicate a first time domain resource of a first link or a second link in an (n+k0)th time unit to an (n+k1)th time unit. In the method, the first link is a link between the first device and the second device, the second link is a link between the second device and a third device, k0 is an integer greater than or equal to 0 and less than or equal to k1, and k1 is an integer. |
US11463219B2 |
Reference signal transmission method, reference signal transmission device, base station and user equipment
The present disclosure provides a reference signal transmission method, a reference signal transmission device, a base station and a user equipment. The transmission method of the present disclosure includes: implicitly or explicitly indicating to a user equipment (UE), position information of a target subcarrier for mapping a target phase tracking reference signal (PTRS) port, among subcarriers occupied by a target demodulation reference signal (DMRS) port. The target DMRS port is a DMRS port associated with the target PTRS port. |
US11463217B2 |
Method for transmitting and receiving feedback information and vehicle therefor
A method for receiving feedback information by a first moving object may comprise the steps of: transmitting a sidelink sounding reference signal (SRS) to a second moving object through each of distributed transmit antennas; receiving, from the second moving object, feedback information including first information associated with the similarity in coherent time between each of distributed receive antennas of the second moving object; and setting a transmission period of the sidelink SRS on the basis of the feedback information. |
US11463216B2 |
Techniques for thermal mitigation and power saving
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive a first configuration indicating for the UE to communicate with the base station using a set of receive ports. The UE may transmit, according to the first configuration in a first time interval associated with a first power state of the UE, sounding reference signals (SRSs) on a set of transmit ports corresponding to the set of receive ports. The UE may then communicate using less than all of the set of transmit ports for the SRSs based on determining to operate in a reduced power state. The UE may then receive, based on communicating using less than all of the set of transmit ports for the SRSs, a second configuration indicating for the UE to communicate with the base station using a first subset of receive ports. |
US11463210B2 |
Transmitting uplink control information (UCI)
Aspects of the disclosure relate to wirelessly communicating information by embedding that information in a demodulation reference signal (DMRS) sequence. In some examples disclosed herein, a DMRS sequence may be configured to communicate uplink control information (UCI) in an uplink (UL) communication. Other aspects, configurations, and features are also claimed and described. |
US11463209B2 |
Dynamic channel sizing in a wireless communication network
A wireless communication network serves User Equipment (UEs) over Multiple Input Multiple Output (MIMO) layers. A primary access node wirelessly serves the UEs over a primary amount of MIMO layers in a primary radio channel having a primary channel size. A secondary access node wirelessly serves the UEs over a secondary amount of MIMO layers in a secondary radio channel having a secondary channel size. The primary access node selects a new primary channel size and a new secondary channel size based on the primary amount of MIMO layers and the secondary amount of MIMO layers. The primary access node wirelessly serves the UEs over the primary amount of MIMO layers in the primary radio channel having the new primary channel size. The secondary access node wirelessly serves the UEs over the secondary amount of MIMO layers in the secondary radio channel having the new secondary channel size. |
US11463201B2 |
HARQ TXOP frame exchange for HARQ retransmission using HARQ threads
Embodiments described herein provide apparatus and methods for performing HARQ operations using parallel HARQ threads, where each new transmission of a Media Access Control (MAC) Protocol Data Unit (MPDU)/Aggregate-MPDU (A-MPDU)/Physical Layer Convergence Procedure (PLCP) Service Data Unit (PSDU) triggers the activation of a HARQ thread. Each HARQ thread contains one or more HARQ coding words or coding units. A HARQ thread index is setup by a transmission opportunity (TXOP) holder for a corresponding PSDU and is used to identify HARQ threads. Transmission information such as duration in formation for PPDUs including BA/HARQ-ACK feedback such as RX/TX addresses, etc. can be determined according to previous transmission values of a received PPDU (e.g., values of a MAC or PHY header). |
US11463199B2 |
Methods, system and user equipment of a wireless communication network for determining transmission conditions for a real-time media flow
A method performed by a user equipment (UE) wirelessly connected to a wireless communication network for facilitating transmission of a real-time media flow from a sender towards the UE is described. The method includes sending a request to the network, requesting a packet loss prediction and a throughput prediction for transmission of a real-time media flow from the network towards the UE. The method also includes receiving, from the network, information of a predicted UE throughput and a predicted UE packet loss predicted by the network in response to the sent request. In some embodiments, the method also includes sending the received information to a sender of the real-time media flow to the UE. |
US11463198B2 |
Security module for a serial communications device
A security module (434) for a serial communications device. The security module (434) comprising: a receive data, RXD, input interface (436) for receiving data from a serial communications bus (404); and a transmit data, TXD, output interface (438) for transmitting data to the serial communications bus (404). The security module (434) is configured to: receive a message (540) from the serial communications bus (404) via the RXD input interface (436); compare the message (540) with one or more error conditions; and upon detection that an error condition has been violated, output an error-signal (543) to the serial communications bus (404) via the TXD output interface (438), wherein the error-signal (543) identifies one or more parameters relating to the error condition. |
US11463196B2 |
Method and apparatus for transmitting and receiving control information in wireless communication system
Methods, a Base Station (BS), and a User Equipment (UE) in a wireless communication system for transmitting and receiving control information are provided. The method for transmitting control information by a BS in a wireless communication system includes receiving information related to a signal transmitted by a second BS that the second BS which is a neighboring BS of the first BS, determining whether a second UE using an identical resource to that used by a first UE included in a cell of the first BS exists within a cell of the second BS based on the received information, when the second UE exists, generating control information for controlling a signal transmitted to the second UE by the second BS based on the received information, and transmitting the generated control information to the first UE through a control channel. |
US11463195B2 |
Handling downlink assignment indicators for different types of downlink control information
Methods, systems, and devices for wireless communications are described to enable a user equipment (UE) to identify one or more missed downlink control messages. The UE may use indicators received with downlink control messages to order the downlink control messages and determine if a message is missing. Indicators in different downlink control messages may be transmitted using different numbers of bits, and the UE may use methods to compare the indicators with different bit sizes. The UE may compare all the indicators using the smallest indicator bit size or may compare indicators in sequential pairs, using a shared bit size for indicators having a same bit size and using a smallest bit size for indicators having different bit sizes. After comparing indicators and determining if one or more messages are missing, the UE may notify the base station of any missing downlink control messages using a feedback message. |
US11463193B2 |
Method and apparatus for notifying channel quality indicator and modulation and coding scheme
A modulation and coding scheme (MCS) notifying method is provided. The method includes: learning, by a terminal, a first channel quality indicator (CQI) index according to a first CQI table, and sending the first CQI index to a base station; receiving, by the base station, the first CQI index sent by the terminal device, determining a first MCS index according to the first CQI table, a first MCS table, and the received first CQI index, and sending the determined first MCS index to the terminal device; and receiving, by the terminal, the first MCS index sent by the base station, and determining a modulation order and a code block size according to the first MCS table and the received first MCS index, where the first CQI table includes an entry in which a modulation scheme is higher than 64QAM. |
US11463188B2 |
Techniques and apparatuses for downlink control channel design using a top to bottom search space
User equipment associated with a legacy network may utilize a bottom-to-top search technique to identify relevant control channel samples. Generating a control channel that is configured for the bottom-to-top search technique may lead to poor performance in a single-carrier waveform, which may be disadvantageous as networks move toward New Radio. In some aspects, described herein, a base station generates a control channel that is configured to minimize gaps in the control channel, and a user equipment performs a top-to-bottom search technique to identify relevant control channel samples. By using the top-to-bottom search technique, degradation of single-carrier waveforms is reduced and efficiency is improved. |
US11463187B2 |
Fault tolerant design for clock-synchronization systems
A system is provided for synchronizing clocks. The system includes a plurality of devices in a network, each device having a local clock. The system is configured to synchronize the local clocks according to a primary spanning tree, where the primary spanning tree has a plurality of nodes connected through a plurality of primary links, each node of the plurality of nodes representing a respective device of the plurality of devices. The system is also configured to compute a backup spanning tree before a failure is detected in the primary spanning tree, wherein the backup spanning tree includes one or more backup links that are different from the primary links. As such, upon detection of a failure in the primary spanning tree, the system reconfigures the plurality of devices such that clock synchronization is performed according to the backup spanning tree. |
US11463186B2 |
User-requested message transmission to devices near a second device
An electronic device of the invention is configured to allow a user of a first device to request transmission of a message, obtain a location of a second device, and transmit the message to devices within a certain range of the second device. The first device may be carried by a person who wants to retrieve a missing person, animal, or object. The second device may be carried by the missing person or missing animal or attached to or incorporated into the missing object. The message may be transmitted by the first device, by the second device, and/or by an Internet server, for example. |
US11463185B2 |
Method and apparatus for communication environment analysis and network design considering movable object
A communication technique for combining a fifth generation (5G) communication system with Internet of Things (IoT) technology for supporting a higher data transmission rate than a fourth generation (4G) system, and a system thereof, are provided. A method for identifying a transmission characteristic of a radio signal in a wireless communication system according to one embodiment of the present disclosure comprises the steps of: identifying a signal transmission position; identifying a signal reception position; identifying an area in which a movable object is located between the signal transmission position and the signal reception position; identifying a characteristic of the movable object in the area; and identifying a transmission characteristic of a radio signal transmitted from the signal transmission position to the signal reception position based on the characteristic of the movable object. |
US11463179B2 |
Systems and methods of estimating optimal phases to use for individual antennas in an antenna array
A method includes receiving a wireless communication signal indicating that a receiver is within a wireless-power-transmission range of a transmitter. In response to the receiving, the method further includes transmitting a plurality of radio frequency (RF) test signals using at least two test phases for a respective antenna. The method further includes receiving information identifying a first amount of power delivered to the receiver by a first RF test signal transmitted at a first of the at least two test phases, receiving information identifying a second amount of power delivered to the receiver by a second RF test signal transmitted at a second of the at least two test phases, and determining, based on the first and second amounts of power, an optimal phase for the respective antenna. |
US11463177B2 |
Optic signal receiver with dynamic control
A system and method for controlling optical receiver operation in response to a received optic signal power level that includes providing an optic signal receiver having operation determined by one or more system settings. During operation, the optic signal is received and converted to an electrical signal. The electrical signal is evaluated to determine a power level of the electrical signal. Responsive to the power level of the electrical signal exceeding a first predetermined threshold, adjusting a first system setting and responsive to the power level of the received electrical signal decreasing below a second predetermined threshold, adjusting the first system setting. Then, responsive to the power level of the received electrical signal exceeding a third predetermined threshold, adjusting a second system setting and responsive to the power level of the received electrical signal decreasing below a fourth predetermined threshold, adjusting the second system setting. |
US11463176B2 |
Optical interconnects for a programmable virtualized self-optimizing signal processor
An electrical circuit package includes an electrical processing engine circuit configured to perform data processing; and one or more co-packaged coherent optical Input/Output (IO) modules interconnected to the electrical processing engine circuit, wherein the electrical processing engine circuit is configured to interface electrical data including an optical signal waveform representation to each of the one or more co-packaged coherent optical IO modules, and wherein the one or more co-packaged coherent optical IO modules are configured to coherently transmit and receive optical data based on the optical signal waveform representation. The electrical processing engine circuit can be configured to perform optical modulation and demodulation based on the optical signal waveform representation, in addition to the data processing. |
US11463174B1 |
RF processing system and method
RF processing systems and methods. An RF processing system includes an optical storage module, a processing module, and an electro-optical modulation module. The electro-optical modulation module is configured to receive the first signal from the optical storage module, receive the modulation signal from the processing module, and electro-optically modulate the first signal based on the modulation signal. |
US11463168B2 |
Multi-aperture free-space optical communications receiver
A multi-aperture free-space optical communications receiver comprises a plurality of telescopes each having a clear objective aperture with a diameter between 50 mm and 250 mm and arranged for receiving light collectively from an optical communications light source. A coherent combiner unit is configured for coherently combining the collectively received light to produce a combined optical signal therewith. Each telescope is arranged in association with, respectively, a wavefront detector to determine a wavefront of said received light directed to it by the respective telescope, a steerable reflector unit including a deformable mirror controllable to deform according to said determined wavefront such that said received light is reflected by the deformable mirror with a modified wavefront, and an optical signal receiver comprising a single-mode optical fibre. The steerable reflector unit is steerable to input received light with modified wavefront into the single-mode optical fibre for reception by the optical signal receiver. |
US11463165B2 |
Systems and methods for optical wireless communications
An illustrative system obtains connectivity data for an optical wireless communication link between an optical wireless signal transmitter implemented on a first in-flight aerial vehicle and an optical wireless signal receiver implemented on a second in-flight aerial vehicle, determines, based on the connectivity data, a status of the optical wireless communication link, and performs, based on the status of the optical wireless communication link, a connectivity management operation configured to facilitate connectivity of the optical wireless signal receiver with the optical wireless signal transmitter by way of the optical wireless communication link. Corresponding methods and systems are also described. |
US11463161B2 |
System and method for authorizing access in satellite communications
The present teachings is generally directed to systems and methods for facilitating communications with a satellite. In some embodiments, a request to communicate with a satellite may be received from a client device, and upon determining that a device identifier associated with the client device is associated with an account authorized to connect to one or more satellite ground stations, a schedule of activity for the account may be retrieved. The schedule of activity may indicate a time period that the client device is authorized to connect to the satellite ground station(s) such that data is communicated between the satellite and the client device, and the satellite ground station(s) may be configured to communicate with the satellite. At a start of the time period, a connection between the client device and the satellite ground station(s) may be generated, and via the connection, data may be provided to the client device. |
US11463159B2 |
Satcom GSM solution directly communicate with GSM phones
A GSM satellite communication system is in communication with a first satellite having a first field of view including a first plurality of cells in which a plurality of active User Equipment (UEs) are located. The plurality of active UEs are in direct communication with the first satellite. The satellite communication system includes a first feeder link and a first tracking antenna configured to communicate with the plurality of active UEs via the first satellite directly serving the first plurality of cells; a first processing device configured to communicate with the plurality of active UEs; and a second processing device configured to normalize delay for a plurality of beam centers of the first plurality of cells, and provide the normalized delay to the first processing device. |
US11463157B2 |
Method and device for receiving an ADS-B message via a satellite
A method for receiving an ADS-B message is disclosed including a synchronisation phase for detecting the start of the message and a decoding phase for recovering a bit stream corresponding to a block of data in the message. The synchronisation phase is based on determining a sequence of log-likelihood ratios having the greatest likelihood of corresponding to a sequence of symbols expected from a preamble of the message. Each log-likelihood ratio corresponds to a ratio between the respective probabilities that a symbol of the signal received corresponds to one of two possible values for a symbol. The decoding phase applies a belief propagation algorithm to a sequence of log-likelihood ratios respectively associated with the symbols in the block of data in the message, with an optimised parity matrix of the cyclic redundancy code of the message. |
US11463151B2 |
Operating devices in a wireless communication system
The present application relates to methods for operating a wireless communication device (20). According to an embodiment, the method comprises transmitting, on a wireless link between the wireless communication device (20) and a further wireless communication device (30, 40, 50), at least one first signal (301) using a first polarization (501), transmitting, on the wireless link, at least one second signal (302) using a second polarization (502), and transmitting, on the wireless link, at least one third signal (303) using a third polarization (503). The first polarization (501), the second polarization (502), and the third polarization (503) are different from each other. Based on the at least one first signal (301), the at least one second signal (302), and the at least one third signal (303), channels of the wireless link associated with the at least one first signal (301), the at least one second signal (302), and the at least one third signal (303) are sounded. |
US11463150B2 |
Data transmission method, device, and computer-readable storage medium
This application provides a communication method and a communications apparatus. The method includes: in a process in which a terminal device performs beam failure recovery in a first bandwidth, determining, by the terminal device, that an operating bandwidth needs to be switched from the first bandwidth to a second bandwidth; and switching, by the terminal device, from the first bandwidth to the second bandwidth according to a preset policy. According to embodiments of this application, the operating bandwidth can be switched in the beam failure recovery process. |
US11463149B2 |
Methods for transmitting uplink signal and downlink signal, UE and base station
Embodiments of the present disclosure provide methods for transmitting an uplink signal and a downlink signal. A method for transmitting an uplink signal comprises detecting whether there is a beam failure; if there is a beam failure, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information; and transmitting a beam failure recovery request message to a base station, the beam failure recovery request message being used for informing the base station of at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information. A method for transmitting a downlink signal comprises detecting a beam failure recovery request message, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information in the UE; and transmitting a feedback message corresponding to the beam failure recovery request message. |
US11463145B2 |
Information transmission method and device
Embodiments of this application provide an information transmission method and a device. The method includes receiving at least one precoding configuration from an access network device, starting a timer, and then sending uplink information to the access network device on a configured grant-free time-frequency resource in valid duration of the timer by using the at least one precoding configuration. |
US11463144B2 |
Techniques for reporting channel quality indicators in wireless communications
Aspects described herein relate to determining, for a received channel, a first channel quality indicator (CQI) related to a first block error rate (BLER), determining, for the received channel, a second CQI related to a second BLER different from the first BLER, and reporting the first CQI as an absolute value and the second CQI as a relative value from the absolute value. |
US11463141B2 |
Codebook design for beamformed CSI-RS for FD-MIMO
Codebook designs are disclosed for full-dimensional multiple-input-multiple output (FD-MIMO) wireless cellular systems. The FD-MIMO cookbooks employ channel state information reference signals (CSI-RS). The codebook designs are used in beamforming CSI-RSs by the enhanced nodeB (eNB), where the CSI-RS is sent to the user equipment (UE), enabling the UE to perform channel estimation. The codebooks support beam selection, co-phasing between polarizations, and beam combining. |
US11463138B2 |
Neural network and antenna configuration indication
Wireless communications systems and methods related to indicating antenna configuration information and neural network information are disclosed. Neural network information may be selected for an encoder side based on an antenna configuration of a first device housing the encoder. This information may be transmitted with the antenna configuration information to a second device, which may jointly train the neural network with the first device. The first device may further transmit one or more weights after the training, which are stored with the antenna configuration information at the second device as well. When a third device with similar antenna configuration as the first device establishes communication with the second device, the second device may transmit neural network information, as well as weights, to the third device. The third device may use this information, instead of default information, to speed up neural network initialization and training. |
US11463136B2 |
Transmission device, transmission method, reception device, and reception method
The present technology relates to a transmission device, a transmission method, a reception device, and a reception method that make it possible to more reliably transmit a transmission control signal.Provided is a transmission device including a transmission unit that includes a first transmission control signal compatible with a first system in a first broadcast signal including a signal of a first content compatible with the first system and a signal of a second content compatible with a second system and transmits the first broadcast signal via a first transmission antenna, and includes a second transmission control signal compatible with the second system in a second broadcast signal including the signal of the second content and transmits the second broadcast signal via a second transmission antenna. The present technology can be applied to, for example, a transmission system compatible with a broadcast system such as an ISDB-T system. |
US11463133B2 |
Agricultural machines comprising communication systems positioned adjacent a cab
Communication systems positioned within a cab for agricultural operations include at least one antenna element and a communication module having a cellular modem. A machine (e.g., tractor, combine, etc.) for agricultural operations includes a cab for an operator of the machine and a communication system adjacent a window or roof of the cab. |
US11463130B1 |
Proving physical possession of internet-of-things (IoT) devices
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for determining physical possession of one or more IoT devices. According to some embodiments, a method for determining physical possession of a plurality of Internet-of-Things (IoT) devices includes determining physical possession of a first IoT device of the plurality of IoT devices. The method further includes determining whether the first IoT device with the determined physical possession satisfies a condition. In response to determining that the first IoT device with the determined physical possession does not satisfy the condition, determining physical possession of a second IoT device of the plurality of IoT devices. In response to determining that the first IoT device with the determined physical possession satisfies the condition, determining the physical possession of the plurality of IoT devices based on the determined physical possession of the first IoT device. |
US11463129B2 |
Power-data distribution system, fittings, and devices
Various embodiments of a power-data distribution system, fittings, and devices are disclosed. In one embodiment, a power-data system comprises: an overhead power distribution system, including: a strut, a conductor wire within the strut, and an upper fitting engagement ledge; and a power-data device, including: a combined power and network output fitter mechanically engaged to the strut, the fitter including a fitter engagement element mechanically engaged to the upper fitting engagement ledge, the fitter including a conductor element able to move into the fitter and having at least one biasing element within the fitter; a powerline chipset, the powerline chipset including a powerline chipset and to an ethernet port; a data receiving device/power receiving device, the data receiving device/power receiving device including an ethernet port; and the ethernet port of the powerline chipset and the ethernet port of the data receiving device/power receiving device being connected by a transmission cable. |
US11463125B2 |
Transporting sampled signals over multiple electromagnetic pathways
The subject of this disclosure is applying SSDS-CDMA techniques to media signal communication as well as control and status exchange to implement a diversity of media interfaces, achieving suitable media communication results despite EM propagation challenges. |
US11463124B2 |
Full-time duplex system, full-time duplex circuit, and control method
Provided is a full-time duplex system. The system includes: a receiving antenna (107), a transmitting antenna (108), a transmitting channel (109), an LNA (106), a mode determination unit (101), a power detection amplitude phase adjustment unit (102), an RSSI detection amplitude phase adjustment unit (103) and an amplitude phase unit (104); the power detection amplitude phase adjustment unit (102) is electrically connected between the receiving antenna (107) and the low noise amplifier (106) and also between the transmitting antenna (108) and the transmitting channel (109); the mode determination unit (101) notifies, according to a power range which a signal transmitting power of the full-time duplex system belongs to, one of the power detection amplitude phase adjustment unit (102) or the RSSI detection amplitude phase adjustment unit (103) of controlling the amplitude phase unit (104) to adjust an amplitude and a phase of a transmitting cancellation signal. |
US11463122B2 |
Vehicle and controlling method of the vehicle
Disclosed herein is a vehicle that includes a first communication module configured to receive a search signal of a user terminal through a data channel having a first frequency band, a second communication module configured to send a sensing signal to at least one of inside or outside of the vehicle through a second frequency band, and to receive a reflected signal corresponding to the sensing signal, and a controller configured to wake up the second communication module when the first communication module receives the search signal, determine a position of the user terminal based on the sensing signal and the reflected signal, and control the second communication module to operate in an operation mode that is determined based on at least one of the position of the user terminal or startup of the vehicle. |
US11463119B2 |
High frequency radio including an adjustable-bandwidth tunable bandpass filter for improved detection of incoming calls and methods for processing incoming calls
A high frequency (HF) radio configured to process an incoming call from another HF radio, the HF radio comprising: an adjustable-bandwidth tunable bandpass filter configured to provide HF signals that are within an adjustable-bandwidth Staring Frequency Band (SFB), being a subset of a HF band, the HF signals including analog calling signals that are indicative of incoming calls; a receive path configured to convert the analog calling signals to digital calling signals; a plurality of receivers configured to monitor assigned Automatic Link Establishment (ALE) channels within the SFB for the digital calling signals; and a controller configured to: establish a communication link between the HF radio and the another HF radio, in response to a given receiver of the receivers decoding a digital calling signal that is indicative of the incoming call; and select the SFB and the assigned ALE channels, based on an indication of ionospheric propagation conditions. |
US11463116B2 |
Radio frequency module and communication device
A radio frequency module includes: a module board including a first principal surface and a second principal surface on opposite sides of the module board; a transmission power amplifier configured to amplify a transmission signal; a first switch; and a first inductor included in a matching circuit connected between an output terminal of the transmission power amplifier and the first switch. The first inductor is disposed on the first principal surface, and the first switch is disposed on the second principal surface. |
US11463097B2 |
CPT phase modulation and demodulation method and system
The invention relates to a coherent population trapping (CPT) phase modulation and demodulation method and a system for implementing the method of this invention. The method comprises the following steps: Generating a coherent bichromatic light, in which the relative phase between the two frequency components is modulated with proper modulation depth. The phase modulated coherent bichromatic light interacts with a quantum resonance system, and prepares it alternately into two inverted CPT states. Detecting the transmitted light with a photodetector, two inverted dispersive CPT signals in two detection windows are observed. With synchronous phase demodulation, a CPT error signal is obtained, which is used for locking the local oscillator to implement a CPT atomic clock. |
US11463096B2 |
Zero-delay phase-locked loop frequency synthesizer based on multi-stage synchronization
Disclosed is a zero-delay phase-locked loop frequency synthesizer based on multi-stage synchronization, which belongs to the technical field of integrated circuits. The zero-delay phase-locked loop frequency synthesizer comprises: a phase frequency detector, a charge pump, a loop pass filter, a voltage control oscillator and a multi-stage synchronization divider, wherein the phase frequency detector, the charge pump, the loop pass filter and the voltage control oscillator are connected in sequence; an output OUT of the voltage control oscillator is connected to an input IN of the multi-stage synchronization divider; and an output OUT of the multi-stage synchronization divider is connected to an input IN of the phase frequency detector, so as to form a feedback path. |
US11463095B2 |
Frequency generation and synchronization systems and methods
A clock generator can include a Fin Field Effect Transistor (FinFET) oscillator and a phased-locked loop (PLL). The FinFET oscillator can generate a FinFET signal. The PLL can generate an output clock signal based on a reference clock signal and the FinFET signal. |
US11463089B1 |
Haptic reactive electrical switch
Proposed is a haptic reactive electrical switch including: a movable part including a floating panel having a touch area to which a user's touch is input and a holder coupled to the floating panel; a fixed part including a substrate and a casing configured to accommodate the substrate and be provided with at least two damping members; a vibration transmission plate configured to be interposed between the holder and the casing, thereby interconnecting the movable part and the fixed part; and an actuator configured to be operated to vibrate the holder and the vibration transmission plate coupled to the holder in a horizontal direction according to a user's touch input, wherein each of the damping members is configured in a form of a single object integrated into the casing, and an end part of one side thereof protrudes to a portion above the casing. |
US11463088B2 |
Proximity sensor with nonlinear filter and method
A sensor for a portable connected device. The sensor has a filter arranged to reduce a noise component on a sampled input signal. The is arranged to consider only input measurements that change systematically in a same direction, updating an output value when all the input samples in a predetermined time window are above or below a current output value and, repeating the current output value when the input samples in the time window are below and above the current output value. |
US11463087B2 |
Methods and devices to generate gate induced drain leakage current sink or source path for switch FETs
Methods and devices to mitigate de-biasing caused by an undesired gate induced drain body leakage current in FET switch stacks are disclosed. The devices utilize diode stacks to generate discharge paths for the undesired current. The disclosed teachings are applicable to both shunt and series implementations of FET switch stacks. |
US11463086B2 |
Control circuit for an H-bridge circuit
A circuit comprises an H-bridge circuit that includes a pair of current sources and a plurality of transistors. The H-bridge circuit includes a first output and a second output. One of the current sources is coupled to receive a supply voltage. A control circuit is configured to control, based on a sum of voltages on the first and second outputs, current of at least one of the current sources through at least some of the plurality of transistors. |
US11463084B1 |
Level shifting output circuit
A level shifting output circuit converts a signal from a core voltage to an I/O voltage without causing voltage overstress on transistor terminals in the level shifting output circuit. The output circuit includes protection transistors to protect various transistors in the output circuit from overvoltage conditions including those transistors coupled to I/O power supply nodes. |
US11463078B2 |
Modulator circuit, corresponding device and method
An embodiment pulse-width modulation (PWM) modulator circuit comprises a first half-bridge stage having a first output node and a second half-bridge stage having a second output node. The first output node and the second output node are configured to have an electrical load coupled therebetween to apply thereto a PWM-modulated output signal. The circuit comprises a differential stage having input nodes configured to receive an input signal applied between the input nodes and produce a differential control signal for the first half-bridge stage and the second half-bridge stage. A current comparator is arranged intermediate the differential stage and the first and second half-bridge stages. The current comparator is configured to produce a PWM-modulated drive signal to drive the half-bridge stages as a function of the input signal applied between the input nodes in the differential stage. |
US11463077B2 |
Low power comparator
A comparator includes an input stage having a differential input and an output, wherein the voltage at the output is in response to the voltage at the input. The comparator further includes a current limiter for limiting the current flow through the input stage, wherein the current flow through the input stage is in response to the voltage at the input. |
US11463076B1 |
Resistance-adjustable means using at a pull-up or pull-down driver of an OCD circuit
This invention provides a resistance-adjustable means using at a pull-up driver and/or a pull-down driver of an OCD circuit. When the resistance-adjustable means is applicable to the pull-up driver, the resistance-adjustable means includes a triode-mode PMOS coupled to a circuit of the pull-up driver and at least one of one or more adjustable resistors and/or a fixed resistor, which are connected in series and coupled to the triode-mode PMOS, and the at least one of the adjustable resistors or the fixed resistor is coupled to an IO (input/output) pad. When the resistance-adjustable means is applicable to the pull-down driver, a triode-mode NMOS is used to replace the triode-mode PMOS for the resistance-adjustable means. |
US11463074B2 |
Storage element with clock gating
A storage element that is operable based on a system clock signal, the storage element including a clock gating circuitry configured to generate a gated clock signal based on at least one Boolean signal and the system clock signal or a preprocessed system clock signal, wherein the clock gating circuitry comprises physical connections of small capacitance such that tapping of at least one of the physical connections results in a hold-time violation. Also, a hardware-based cryptography accelerator or a secured processing system including at least one such storage element, and a method for operating at least one storage element. |
US11463072B1 |
Adaptive volterra compensator
The present invention is a computationally-efficient compensator for removing nonlinear distortion. The compensator operates in a digital post-compensation configuration for linearization of devices or systems such as analog-to-digital converters and RF receiver electronics. The compensator also operates in a digital pre-compensation configuration for linearization of devices or systems such as digital-to-analog converters, RF power amplifiers, and RF transmitter electronics. The adaptive Volterra compensator effectively removes nonlinear distortion in these systems by implementing an adaptive background algorithm to periodically update actual filter coefficients to maintain optimal performance in operating conditions varying over time (e.g., temperature, frequency, signal level, and drift); or both. The xadaptive background algorithm calculates the optimal nonlinear filter coefficients to reduce nonlinear distortion. |
US11463069B2 |
Acoustic wave filters with isolation
Embodiments of this disclosure relate to reducing coupling between acoustic wave resonators. An isolation region of a substrate can be located between acoustic wave resonators. The isolation region can reduce capacitive coupling through the substrate between the acoustic wave resonators. In certain embodiments, the isolation region can be located between acoustic wave resonators of different filters to thereby increase isolation between the filters. |
US11463067B2 |
Multiplexer, radio-frequency front end circuit, and communication device
In a multiplexer, at least one acoustic wave filter includes a piezoelectric body made of lithium tantalate having Euler angles (φLT=0°±5°, θLT, ψLT=0°±15°), a support substrate, and an interdigital transducer (IDT) electrode. A frequency fh1_t(n) of a first higher-order mode satisfies below Formulas (3) and (4) in all acoustic wave filters (m) having a higher pass band than at least one acoustic wave filter (n) (n |
US11463066B2 |
Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate
Acoustic resonators and filter devices, and methods for making acoustic resonators and filter devices. An acoustic resonator includes a substrate having a surface and a single-crystal piezoelectric plate having front and back surfaces. The back surface is attached to the surface of the substrate except for a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. A conductor pattern formed is formed on the front surface of the piezoelectric plate, including an interdigital transducer (IDT) with interleaved fingers of the IDT on the diaphragm. An insulating layer is formed between the piezoelectric plate and portions of the conductor pattern other than the interleaved fingers. |
US11463065B2 |
Laterally excited bulk wave device with acoustic mirror
A laterally excited bulk acoustic wave device is disclosed. The laterally excited bulk acoustic wave device can include a support substrate, a solid acoustic mirror on the support substrate, a piezoelectric layer on the solid acoustic mirror, and an interdigital transducer electrode on the piezoelectric layer. The interdigital transducer electrode is arranged to laterally excite a bulk acoustic wave. |
US11463058B2 |
Feedback system and associated signal processing method
The present invention provides a feedback system including a mixing circuit, a forward circuit, a feedback circuit, a feedback gain circuit and a control circuit. In the operations of the feedback system, the mixing circuit generates a mixed signal according to an input signal and a feedback signal, the forward circuit processes the mixed signal to generate an output signal, the feedback gain circuit and the feedback circuit generates the feedback signal according to the output signal, and the control circuit determines a feedback gain of the feedback gain circuit according to a gain of the forward circuit. |
US11463056B2 |
Integrated circuit with an input multiplexer system
An integrated circuit includes a multiplexer circuit configured to provide an output signal on a conductive line, a programmable gain amplifier having a non-inverting input connected to the conductive line to receive the output signal from the multiplexer, a slew rate adjust circuit connected at a first node on the conductive line between the multiplexer circuit and the programmable gain amplifier, a first switch including a first terminal connected to the first node and a second terminal connected to the input of the programmable gain amplifier, and a low pass filter connected between the first and second terminals of the first switch. |
US11463054B2 |
Transimpedance amplifier circuit
The invention relates to a circuit containing a transimpedance amplifier for converting two input currents into two output voltages, having a first amplifier part containing a first input, to which a first input voltage is applied, and into which a first input current flows, and having a second amplifier part containing a second input, to which a second input voltage is applied and into which a second input current flows, wherein the first amplifier part and the second amplifier part are connected to a common supply voltage, the first amplifier part and the second amplifier part are connected to a common current source, the input of the first amplifier part and the input of the second amplifier part have a differing direct voltage, and the first amplifier part and the second amplifier part are designed such that an output voltage of the first amplifier part is proportional to the input current of the first amplifier part and an output voltage of the second amplifier part is proportional to an input current of the second amplifier part. |
US11463047B2 |
Mixer
A mixer includes a first unit mixer, a second unit mixer, a third unit mixer, and a fourth unit mixer that have the same configuration and a first combiner, a second combiner, and a third combiner that have the same configuration. The first to the fourth unit mixers each include a differential RF signal terminal. Output of the first unit mixer and output of the second unit mixer are combined by the second combiner. Output of the third unit mixer and output of the fourth unit mixer are combined by the third combiner. Output of the second combiner and output of the third combiner are combined by the first combiner. The output of the third unit mixer is input to the third combiner with the polarity being determined. |
US11463042B2 |
Photovoltaic module
A photovoltaic module includes an encapsulated photovoltaic element and an infrared-transmissive decorative overlay simulating conventional roofing. |
US11463035B2 |
Control method for sensorless motor
A method of controlling a sensorless motor of an air compressor is provided to overcome the known problems of sensorless control methods and to improve control responsiveness. In various aspects of the present invention, a method of controlling a sensorless motor of an air compressor includes: performing a speed control for stopping a motor by a controller; determining a motor stopped state from an estimated motor speed while the speed control is performed by the controller; determining a rotor position estimated as a fixed position when the motor stopped state is determined by the controller; performing motor position control for moving the rotor position to the fixed position when the motor stopped state is determined; and starting sensorless control for driving the motor by setting the fixed position to an initial position when requesting a motor driving while the rotor position is maintained at the fixed position. |
US11463034B2 |
Motor drive
A motor drive comprises a rectifier circuit portion arranged to receive an externally supplied AC voltage and to generate a DC bus voltage. An inverter circuit portion is arranged to receive the DC bus voltage (VDC_Bus) and to generate an AC output voltage (Vout) for supply to an external load. A DC bus portion is connected between the rectifier and the inverter. An inductor (L1) is connected in series along a bus conductor between the rectifier and inverter, and a DC link capacitor (C1) is connected in parallel between the bus conductors. A voltage across the DC link capacitor (C1) is input to a tuneable notch filter arranged to supply a filtered signal. A controller varies the resonant frequency of the notch filter to a plurality of values across an operational range and modulates a supply current provided by the inverter with a probe current signal at the resonant frequency. |
US11463022B2 |
Driving control apparatus, driving apparatus and driving control method
A driving control apparatus that controls driving of a vibration actuator having a plurality of electromechanical energy conversion elements. The driving control apparatus includes a controller configured to generate a plurality of driving signals each of which has a same waveform and has a different phase, and to respectively apply the plurality of driving signals to different elements of the plurality of electromechanical energy conversion elements. The controller changes the waveform according to the phase. A shape of a first waveform according to a first phase is closer to a square wave shape than a shape of a second waveform according to a second phase that is larger than the first phase. |
US11463020B2 |
Movement amplifying actuation device
A movement amplifying actuation device may include two piezoelectric beams, one beam being attached at a fixed point, and a hinge connecting a first beam and a second beam between them. Each hinge may include a first flexible portion connected to the first beam, a second flexible portion connected to the second beam, a first rigid portion connecting the first and second flexible portions, a second rigid portion capable of being positioned against a fixed point, and a third flexible portion connecting the second beam to the second rigid portion at a pivot point of the second beam such that the assembly formed by the second rigid portion and the second beam forms a lever around the pivot point. The flexible and rigid portions may form a single piece. |
US11463017B2 |
3-stage active neutral point clamped (ANPC) hybrid converter
An active neutral point clamped topology based converter includes a plurality of input terminals, an output terminal, a choke, a plurality of switching devices and a control unit. The control unit generates control signals for the switching devices of the converter in such that an SiC switch can be used with low reverse voltage. |
US11463016B2 |
Modular power supply system
A modular power supply system includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, and the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units is configured to include M power converters, each of the power converters is configured to operate according to the local control signal, wherein the same local control signal controls the power semiconductor switches at an identical position in at least two of the M power converters to be simultaneously turned on and off. |
US11463013B2 |
Magnetic element, power module and power conversion system
A magnetic element, a power module and a power conversion system are provided. The magnetic element includes a main body, a plurality of first magnetic posts, a first common magnetic post and a second magnetic post. A first lateral edge and a second lateral edge of the main body are opposite to each other and extended along a first direction. A third lateral edge and a fourth lateral edge of the main body are opposite to each other and extended along a second direction. The plurality of first magnetic posts are disposed on the main body and arranged along the first direction. The first common magnetic post is disposed on the main body and located at the first magnetic posts. The second magnetic post is disposed on the main body and located at the first common magnetic post. |
US11463003B2 |
Power supply control device to discharge an output voltage at a time of enable instantaneous interruption
Disclosed are a power supply control device and an electronic apparatus. The power supply control device includes a power supply unit configured to generate an output voltage from an input voltage, and an output discharge unit configured to start to discharge the output voltage when an instruction to disable the power supply unit is given, and continue discharging the output voltage until the output voltage falls below a predetermined threshold voltage or until a predetermined delay time passes while the output voltage does not fall below the threshold voltage even when an instruction to enable the power supply unit is given. The electronic apparatus includes a power supply device including the power supply control device as a main constituent, and at least one load configured to operate while supplied with an output voltage from the power supply device. |
US11463002B2 |
Switch-mode power supply circuit
A switch-mode power supply circuit includes a feedback terminal, a control circuit, a comparator, and a switch. The comparator includes a first input terminal coupled to a reference voltage source, and an output terminal coupled to an input terminal of the control circuit. The switch includes a first terminal coupled to the feedback terminal, a second terminal coupled to a second input terminal of the comparator, and a third terminal coupled to an output terminal of the control circuit. |
US11462998B2 |
Apparatus for detecting feedback on voltage supplied from electronic device to external device
A structure for detecting feedback on a supply voltage when an electronic device supplies a power source to an external device connected to a connector and an operating method thereof are provided. The electronic device includes a power supply device, at least one connector for a connection with an external device, a power line wired between the power supply device and the connector, a feedback line brought into contact with the power line at a location adjacent to the connector between the power supply device and the connector, a voltage compensation circuit detecting feedback on a supply voltage supplied to an external device at the location adjacent to the connector using the feedback line, and a control circuit configured to control a compensation related to the supply voltage based on the detected feedback. |
US11462991B2 |
Dynamic signal slope compensation
Some aspects of the present disclosure provide for a circuit. In at least some examples, the circuit includes an integrator coupled between a first node and a second node and a filter coupled between the second node and a third node. The circuit further includes a buffer coupled between the third node and a fourth node and a first switch coupled between the fourth node and a fifth node. The circuit further includes a first capacitor coupled between the fifth node and a ground node, a first resistor comprising a first terminal coupled to the fifth node and a second terminal, a second switch coupled between the second terminal of the first resistor and the ground node. |
US11462990B2 |
Integrated switching regulator device using mixed-core inductors
An integrated switching regulator device has a switching mode regulator comprising an input voltage source and a switching circuit coupled to the input voltage source configured to generate a pulsed voltage from the input voltage. A low pass filter is coupled to the switching regulator and is configured to filter the pulsed voltage to provide a regulated voltage to a load. The low pass filter comprises at least two LC stages, wherein the first LC stage comprises an air cored inductor and each subsequent LC stage comprises a non-air cored inductor. The switching circuit comprises two or more switching elements configurable to operate at a switching frequency of several megahertz. |
US11462989B2 |
Power converting apparatus, and vehicle including the same
A power converting apparatus and a vehicle including the same according to an embodiment of the present disclosure includes a switching element; and a gate drive unit configured to apply a gate driving signal for driving the switching element to a gate terminal of the switching element, wherein the gate drive unit includes: a current source unit including a source current for sourcing current to the gate terminal in a turn-on section of the switching element, and a sink current for sinking current from the gate terminal in a turn-off section of the switching element; a control current for sinking the current from the gate terminal during a partial section of the turn-on section and the turn-off section of the switching element; and a control current controller configured to control an operation of the control current. |
US11462988B1 |
Power supply system and current control based on consumption by dynamic loads
An apparatus includes a controller. The controller controls a first power supply to produce an output current supplied through a series connection of multiple dynamic loads powered at least in part by the output current. The controller further monitors current consumption by the multiple dynamic loads. Based on the monitored current consumption, the controller adjusts a magnitude of the output current from the power supply supplied through the series connection. |
US11462983B2 |
Electric motor
A motor apparatus having a rotor that includes one or more permanent magnets disposed in ring-like manner, wherein similar poles of adjacent magnets face one another, and further wherein a gear mechanism (e.g., a toothed ring) is configured to transfer rotation from the rotor to an external gear mechanism. The motor may also include a stator comprising one or more solenoids and a bearing assembly that includes a rotating bearing element integrated with a toothed element for engaging with a gear and axle assembly. The rotating bearing element and integrated toothed gear element may pass through cavities of the main solenoids and provide for minimal cavity size, improving motor efficiencies. |
US11462982B2 |
Hybrid permanent magnet and wound rotor starter generator
Described is a hybrid permanent magnet and wire wound starter generator system. The system includes a polyphase stator that converts a rotating magnetic field to electrical energy. The system also includes a rotor including a plurality of permanent magnets and a wound rotor section. The plurality of permanent magnets and the wound rotor section each generate a portion of the rotating magnetic field. Further, the system includes a controller that controls a polarity of the wound rotor section by transitioning the wound rotor section between a magnetic flux enhancement mode and a magnetic flux weakening mode. |
US11462980B2 |
Ducted double-magnetic-circuit coreless motor special for electric aircraft
The present invention discloses a ducted double-magnetic-circuit coreless motor special for electric aircraft, which is an open special motor with a hollow structure according to the technical invention and includes a housing, a main shaft, a coreless stator winding, an inner rotor structure and an outer rotor structure. The main shaft is arranged in the middle of the housing; the inner rotor structure is connected with the main shaft; the outer rotor structure is connected with the inner rotor structure; and the coreless stator winding is arranged between the inner rotor structure and the outer rotor structure. The coreless stator winding can generate an electromagnetic torque when current is applied; and the inner rotor structure and the outer rotor structure can fully induce the electromagnetic torque of the coreless stator winding and rotate about the main shaft simultaneously, thereby directly driving the electric aircraft to fly. |
US11462978B2 |
Compact production station for assembling a stator for an electric motor from stator segments
A device for producing a stator for an electrical machine includes a segment feed for feeding stator segments, a cylindrical press for pressing the stator segments, a housing feed for feeding stator housings, and a mandrel for receiving the stator segments. The mandrel includes an axial direction, a first region with a first radius, a second region arranged axially below the first region with a second radius that is less than the first radius, and a third region arranged axially below the second region with a third radius that is less than the second radius. In an example embodiment, the mandrel is movable from the segment feed to the cylindrical press, from the cylindrical press to the housing feed, and from the housing feed to the segment feed. |
US11462977B2 |
Closed-type liquid cooling motor frame and method for manufacturing the same
A method includes: forming a sand core including a main portion and core-head members connecting the main portion; applying a casting process to produce a frame casting having a first end, a first-end inner wall, a second end, a second-end inner wall, a closed water channel between the first-end inner wall and the second-end inner wall, a water inlet, a water outlet and sand-expelling holes at the first end; shaking the frame casting to have part of the sand core to leave the closed water channel via the water inlet, the water outlet and the sand-expelling holes; pressurizing a fluid into the closed water channel via the water inlet to carry the rest of the sand core to leave the closed water channel via the sand-expelling holes and the water outlet; and applying screw bolts to lock the sand-expelling holes to manufacture a closed-type liquid-cooling motor frame. |
US11462975B2 |
Machine and process of copper rotor die casting used in AC electric motor
A pressure die casting process and its machine are described to produce a highly efficient copper rotor for AC induction motors widely used in various industries. The pressure die casting process and the machine facilitate improvement in efficiency and performance of AC induction motors by providing maximum filling of copper with minimum porosity. Thus, a compact and convenient method is provided to cast a wide range of copper rotors of various extensive length. |
US11462964B2 |
Motor and brake device comprising same
The present invention provides a motor including: a rotating shaft; a rotor including a hole in which the rotating shaft is disposed; a stator disposed at an outside of the rotor; a housing configured to accommodate the rotor and the stator; and a sealing guide disposed to cover an opening formed in one side of the housing, wherein the sealing guide supports a terminal of the stator exposed at an outside of the housing. |
US11462963B2 |
Electric pump device and attachment structure of electric pump device
An electric pump device includes a motor having a rotor and a stator portions, a pump portion and a housing. The stator portion has a stator core, and coils each having a winding portion and a crossover portion. The housing has a housing body portion having a tubular shape and extending in the axial direction, and a flange portion expanding radially outward from the outer peripheral surface of the housing body portion. The flange portion has an end surface that faces toward one side in the axial direction and is disposed in the axial direction between a first and a second virtual plane. The first and the second virtual planes pass through parts of the stator core, the winding portion, and the crossover portion located respectively closest to one and the other sides in the axial direction and expanding in a direction perpendicular to a central axis. |
US11462962B2 |
Rotor for dynamo-electric machine, and dynamo-electric machine
A rotor for a dynamo-electric machine includes a shaft and a rotor core constituted by laminating a plurality of electromagnetic steel sheets, and the rotor core is configured such that the shaft is attached to an inner periphery of the rotor core. Each of the electromagnetic steel sheets constituting the rotor core includes an insertion hole into which the shaft is inserted, and a key protruding radially inwardly from the insertion hole, the shaft includes a keyway formed along an axial direction, the shaft is attached by clearance fit to the insertion holes of the electromagnetic steel sheets, and the key is fitted by pressing into the keyway such that a side face of the key abuts on a side face of the keyway. |
US11462953B2 |
Dynamic transmission coil positioning system, wireless power transfer system and method of positioning a transmit coil
A dynamic transmit coil positioning system, e.g. for a wireless power transfer system. The positioning system has a drive unit, a movable platform, a transmit coil, an inverter and a controller. The controller is provided for positioning the movable platform via the drive unit to adjust an operating parameter of the transmit coil. |
US11462952B2 |
Wireless power transmitters for transmitting power at extended separation distances utilizing T-Core shielding
A power transmitter is configured for transmission of wireless power, to a wireless receiver, at extended ranges, including a separation gap greater than 8 millimeters (mm). The power transmitter includes a control and communications unit and an inverter circuit configured to receive input power and convert the input power to a power signal. The power transmitter further includes a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a bottom face. The power transmitter further includes a shielding comprising a ferrite core and a magnetic backing, the magnetic backing configured to substantially back the bottom face of the coil. |
US11462947B2 |
Wireless power receiver having transfer optimization and method thereof
According to one aspect of the present disclosed subject matter, a receiver inductively powered by a transmitter for powering a load, the receiver comprising: a resonance circuit capable of tuning its resonance frequency for coupling with the transmitter and generate AC voltage; a power supply section configured to rectify the AC voltage and adjust a DC current and a DC voltage to the load; and a control and communication section designed to set parameters for the receiver and communicate operation points (OP) to the transmitter, wherein the parameters and the OP derived from determining a minimal power loss of the receiver. |
US11462943B2 |
DC link charging of capacitor in a wireless power transfer pad
An apparatus for wireless power transfer is disclosed. An alternate apparatus and a system perform the functions of the apparatus. The apparatus includes a wireless power transfer (“WPT”) pad, a secondary circuit with a rectification section that receives power from the WPT pad, a capacitor, and a first rectification device connected to the capacitor. The capacitor and first rectification device are connected in parallel with the rectification section and in parallel with a load. The apparatus includes a second rectification device connected to the rectification section and an intermediate node between the capacitor and first rectification device. |
US11462942B2 |
Efficiencies and method flexibilities in inductive (wireless) charging
A system for providing power inductively to a portable device is disclosed. The system a primary coil, a drive circuit, a sense circuit, and a communication and control circuit. The communication and control circuit is configured to perform operations, including detection of communication and drive circuit operations. A portable device that includes a receiver unit coupled to a battery and configured to receive inductive power from an inductive charging system including a base unit with a primary coil and associated circuit is also disclosed. The receiver unit includes a receiver coil, a ferrite layer, and a receiver circuit. The receiver circuit includes a receiver communication and control circuit to modulate current in the receiver coil to communicate with a base unit while the receiver circuit is being powered by the inductive charging system. |
US11462941B2 |
Enclosure for charging an item of smart clothing
An enclosure for charging an item of smart clothing comprising a plurality of battery-powered sensors is disclosed herein. The enclosure comprises a cavity for receiving the item of smart clothing, a charging interface configured to deliver an electromagnetic field into the cavity to charge the plurality of battery-powered sensors, a wireless communications interface for transmitting and receiving data to and from the plurality of sensors, and a processor configured to control operation of the charging interface and the communications interface. |
US11462933B2 |
Power storage module and power supply system
A battery module that includes a battery and a bidirectional DC-DC converter including a switching element that is arranged at a position where heat generated by the switching element is transmitted to the battery. The bidirectional DC-DC converter operates in a discharge mode in which DC power supplied from the battery is converted and supplied to an input/output unit, and in a charge mode in which DC power supplied from the input/output unit is converted and supplied to the battery. Moreover, a control unit forces the bidirectional DC-DC converter to operate in the discharge mode and to increase a switching frequency of the switching element in comparison with a switching frequency in normal driving, when a temperature in a periphery of the battery needs to be increased. |
US11462931B2 |
Charging method and charging apparatus
A charging method and a charging apparatus are provided. The method includes the following. A battery is charged in a constant current stage until a voltage of the battery reaches a first voltage, where the first voltage is a charging cut-off voltage corresponding to the constant current stage. When the voltage of the battery reaches the first voltage, the battery is charged in a constant voltage stage by applying a second voltage to the battery, where the second voltage is lower than the first voltage. |
US11462927B2 |
Method, rated voltage adjusting device, and electric storage device
An electric storage system to which a first electric storage device and a second electric storage device connected in parallel can be mounted decides a rated voltage of the first electric storage device in an electric storage system having at least one of (A) a discharge standby stage and (B) a charge standby stage. It decides a large and small relationship between the rated voltage of the electric storage device for which at least one of (i) an accumulated time, (ii) an accumulated power amount, and (iii) an accumulated number is decided to be made higher among the first electric storage device and the second electric storage device, and the rated voltage of the other electric storage device. It decides the rated voltage of the first electric storage device such that the large and small relationship decided in the large and small relationship deciding step is achieved. |
US11462926B2 |
Re-charging pack for an e-cigarette
A pack is provided for holding and re-charging an e-cigarette. The pack com-prises a tube having a substantially cylindrical shape. The tube has a hole defined by an open end of the tube for receiving an e-cigarette into the tube, such that the e-cigarette is held in the tube. The pack further includes a re-charging mechanism for re-charging an e-cigarette held within the tube, and a light for indicating a char-ging state of the e-cigarette in the tube. The light is located at the open end of the tube adjacent the hole for receiving the e-cigarette into the tube. |
US11462923B2 |
Breakaway mobile device connection port
Disclosed is a breakaway mobile device connection port for a vehicle. The breakaway mobile device connection port includes a socket within a surface of a vehicle, formed by one or more flexible retention members coupled to the surface. The port further includes a ball-type bearing positioned partially within the socket, a female connector positioned in the bearing outside the socket and configured to receive a male connector, and a harness cable coupled to the bearing, linking the female connector to an electrical system or data system of the vehicle. The bearing is configured to swivel on at least one axis within the socket, and an impact force on the male connector that exceeds a first threshold value causes the bearing to be pushed completely into the socket. |
US11462918B2 |
Battery switch with current control
The present disclosure relates to a multifunction battery switch and method of connecting a battery pack to an external bus via the multifunction battery switch. The multifunction battery switch having a multifunctional controller, a plurality of switches, an inductor, and a resistor. Each of the plurality of switches is independently controllable via switch commands from the multifunctional controller. The inductor, the resistor, and the plurality of switches are arranged to define a buck-boost converter to selectively regulate power transfer between the battery pack and the external bus as a function of the switch commands from the multifunctional controller. |
US11462913B2 |
Power control system, power control device and controlled device
An electric power control system capable and a control device and a controlled device of electric power simplifying and reducing the cost of a slave device and electric power are provided. A power control system includes a master device supplied with power from a battery and a slave device powered by the battery through the master device. The slave device can also be supplied from a sub-battery or a solar cell that is different from the battery, the master device is provided with a control unit for controlling the slave device to be powered from the battery and the solar cell based on the power supply state of the battery and the solar cell. |
US11462909B2 |
Methods, systems and computer program products for reducing instability in the power grid
A method for identifying report triggering events in a power grid to improve stability in the power grid is provided. Energy flow information in the power grid is measured and report triggering events during a predetermined period of time are identified. The report triggering events include at least a predetermined number of load flow transitions where energy flows back from a load associated with the power grid to the power grid during the predetermined period of time and/or exceeding a threshold of time where an energy flow phase angle between voltage and current remains at or near 90 or 270 degrees indicating pure volt-ampere reactive (VAR) operation during the predetermined period of time. A report associated with each of the identified report triggering events is generated and includes a location indicating where the report triggering event occurred in the power grid. The reports are transmitted. |
US11462907B1 |
Load reduction optimization
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for performing load reduction optimization. In one aspect, a method includes accessing load reduction parameters for a load reduction event, accessing energy consumption models for multiple systems involved in the load reduction event, and performing, based on the load reduction parameters and the energy consumption models, a plurality of simulations of load reduction events that simulate variations in control parameters used to control the multiple systems. The method also includes optimizing, against a load reduction curve, the load reduction event by iteratively modifying the control parameters used in the plurality of simulations of load reduction events, and outputting the optimal load reduction event with optimized control parameters. |
US11462906B2 |
Energy grid control system
A method for predicting when energy consumption will exceed normal production capacity for buildings including generating data sets for each of the buildings, where energy consumption values within each set are shifted by one of a plurality of lag values relative to time and temperature values, and where each lag value is different; performing a regression model analysis on each set to yield corresponding regression model parameters and a corresponding residual; determining a least valued residual indicating a corresponding energy lag for each of the buildings; using outside temperatures, regression model parameters, and energy lags for all of the buildings to estimate a cumulative energy consumption for the buildings, and to predict the time when energy consumption will exceed normal production capacity; and receiving the time when energy consumption will exceed normal production capacity, and preparing and commencing exceptional measures required to manage the energy consumption. |
US11462903B2 |
Electrostatic discharge (ESD) circuit capable of protecting internal circuit from being affected by ESD zapping
An ESD circuit includes a voltage division circuit, a RC control circuit and a voltage selection circuit. The voltage division circuit is connected between a first power pad and a first node, and generates a first voltage. The RC control circuit is connected between the first power pad and a second power pad, and generates a second voltage and a third voltage. The voltage selection circuit receives the first voltage and the second voltage, and outputs a fourth voltage. The first transistor and the second transistor are serially connected between the first power pad and the second power pad. A gate terminal of the first transistor receives the first voltage. A gate terminal of the second transistor receives the third voltage. The third transistor is connected with the first power pad and an internal circuit. A gate terminal of the third transistor receives the fourth voltage. |
US11462899B2 |
Electrical receptacle fault protection
An electrical receptacle contains a plug outlet that has a pair of contacts for electrical connection to respective hot and neutral power lines. A controlled switch, such as a TRIAC, is connected in series relationship between the outlet contact and the hot power line. Sensors in the receptacle outputs signals to a processor having an output coupled to the control terminal of the controlled switch. The processor outputs an activation signal or a deactivation signal to the controlled switch in response to received sensor signals that are indicative of conditions relative to the first and second contacts. |
US11462898B2 |
Gateway interface for an enhanced circuit breaker disconnect
A system includes a solid-state circuit breaker coupling between a power supply and an electrical load. The system also includes a gateway interface device communicatively coupled to the solid-state circuit breaker and includes a plurality of communication interfaces. In an embodiment, the gateway interface device includes a controller configured to perform operations including determining a connection status of at least one communication interface of the plurality of communication interfaces and determining a number of devices connected to the at least one communication interface, receive a signal from at least one device of the number of devices. In the embodiment, the operations may also include in response to receiving the signal, instructing the solid-state circuit breaker to disconnect the electrical load from the power supply. |
US11462896B2 |
Electrical connection box
An electrical connection box includes a casing and a cover member. The cover member includes: a cover-member main body; a restriction piece arranged along an arrangement direction with respect to a pair of locking pieces; and a rigid part that is disposed with a space provided with respect to the cover-member main body in an orthogonal direction and is extended toward the orthogonal direction. The casing includes: a pair of restriction reception parts opposing to respective ends in the arrangement direction of a pair of the restriction pieces in a state in which the cover member is fitted to the casing; and a rigid reception part having a rigid-reception-part projecting wall part located between the rigid part and the cover-member main body in a state in which the rigid part is inserted and the cover member is fitted to the casing. |
US11462895B2 |
Junction box with jump start terminal and water mitigation features
A junction box assembly includes an upper cover coupled to a lower cover assembly. The upper cover has a jump start terminal housing and a first through hole which accommodates a jump start terminal. The lower cover assembly includes a fuse assembly having an upper case and a lower case configured to hold a bus bar unit having a plurality of fuses. The upper case includes a collar and a first drain hole. The collar defines a second through hole and is concentric to the jump start terminal. The first drain hole is spaced apart from the fuses. The first drain hole is open to a second hole of the bus bar unit. The lower case includes a second drain hole open to the second hole. Accordingly, water is routed through the fuse assembly and away from the fuses so as to retain the functionality of the junction box assembly. |
US11462894B2 |
Wire harness
A wire harness, including: a plurality of tubes that each include a tubular shape-retaining conductor having a conductive property and a shape-retaining property, the plurality of tubes being routed in parallel, wherein: a conductive tube, that includes an insulating cover that covers the shape-retaining conductor, is included among the plurality of tubes, and thicknesses of the shape-retaining conductors that are included in at least two tubes among the plurality of tubes are different to each other. |
US11462891B2 |
Wire puller lift dolly
Apparatus adapted for use with an existing wire tugger includes a primary frame, a slide frame configured to receive the wire tugger, and a jack that causes the slide frame and existing wire tugger to move up and down, thereby enabling a user to position the upper end adapter of the existing wire tugger proximate to an overhead wire pull location. The system enables the existing wire puller to be transported and physically oriented to address a broader range of overhead wire pulling applications on jobsites. A wheeled cart facilitates traversing throughout jobs and vertical wire-puller mounting, thereby mitigating space constraints while allowing for easier set-up and a broader range of uses. Various interchangeable end adapters facilitate temporary coupling and stabilization with respect to different conduit sizes. |
US11462889B2 |
Apparatus for igniting a fuel mixture, transmission element for transmitting an ignition signal, ignition device and circuit device
The invention relates to an apparatus for igniting a fuel mixture. Set apparatus comprises an ignition system for generating a high-voltage ignition voltage as well as a circuit device comprising a circuit for superimposing a high-frequency signal on to the high-voltage ignition voltage. The apparatus further comprises a spark plug in an engine block as well as a transmission element for transmitting the ignition voltage, onto which the high-frequency signal has been superimposed, to the spark plug. The transmission element includes a contact element which is provided with an electrically conductive coating along at least one portion of the longitudinal axis of the contact element, the impedance of the coding being lower than the impedance of the contact element. |
US11462884B2 |
Power monitoring approach for VCSELs and VCSEL arrays
The present disclosure relates to an approach for monitoring the output power of a VCSEL or VCSEL array in a relatively compact, low profile package. A VCSEL device or VCSEL package of the present disclosure may generally be configured with a photodiode for monitoring output power of one or more VCSELs. In some embodiments, one or more VCSEL devices may be arranged over or on a photodetector, such that the photodetector is configured to detect light emitted through a bottom of the VCSEL. In such embodiments, the VCSEL device may have a patterned bottom metal layer and/or an etched substrate to allow light to pass below or behind the VCSEL to the photodiode. In other embodiments, a photodetector may be arranged on a submount adjacent one or more VCSELs, and may be configured to detect light reflected via a diffuser in order to monitor output power. |
US11462877B2 |
Die clearance monitoring system for a crimping device
A die clearance monitoring system includes a light source, a light detector, and a controller. The light source is disposed along a front side of a die set of a crimping device and emits light towards the die set. The die set includes a first crimp die and a second crimp die that engage and crimp an object along a crimp stroke. The light detector is disposed along a rear side of the die set. The light detector receives the emitted light from the light source that traverses across the die set through a gap defined between the first and second crimp dies and generates light absorption data based on the emitted light that is received. The controller is communicatively connected to the light detector. The controller processes the light absorption data to determine a relative spacing between the first crimp die and the second crimp die. |
US11462874B2 |
Crimping pliers
A pair of crimping pliers for crimping, in particular for crimp joining, workpieces, has two oppositely arranged pressing jaws and two pliers jaws, wherein one pliers jaw is stationary and the associated pressing jaw is fastened to this stationary pliers jaw by means of a spring-loadable holder part. The holder part is fixedly connected at its end farthest from the pressing jaw to the pliers jaw. Between the stationary connection and the end of the holder part closest to the first pressing jaw, a stop connection is formed between the stationary pliers jaw and the holder part and comes into effect when a predetermined pressing force is exceeded. |
US11462873B2 |
Contact-type power supply apparatus and contact unit
A contact-type power supply apparatus includes: a first cylindrical body; a second cylindrical body configured to surround the first cylindrical body, be disposed concentrically to the first cylindrical body, and be rotatable around a central axis of the first cylindrical body; an annular body configured to surround the first cylindrical body, be disposed concentrically to the first cylindrical body, be in non-contact with the second cylindrical body, and have an end surface being an inclined surface having a tapered shape; and a contact body configured to face the annular body in an axial direction of the first cylindrical body, be electrically connected to the second cylindrical body, rotate around the central axis around the first cylindrical body together with the second cylindrical body, have a contact surface that is in contactable with the inclined surface, and receive an electric potential of the annular body by sliding with the annular body. |
US11462870B2 |
Wiring board and electronic component testing apparatus comprising coaxial connector, and coaxial connector
A wiring board includes a wiring board body and a coaxial connector. The coaxial connector includes coaxial terminals and a housing. The coaxial terminals are arranged in row. Each of the coaxial terminals includes a signal terminal and a ground terminal. The ground terminal includes a tubular main body and first and second contact pieces that respectively extend from the main body and respectively include first and second contact portions in contact with the wiring board body, in a transparent plan view seen through the wiring board along a normal direction of the wiring board body. A part of the first contact piece of a first coaxial terminal overlaps with a part of the second contact piece of a second coaxial terminal adjacent to the first coaxial terminal. |
US11462868B2 |
Connector carrier for electronic device kiosk
Connector carriers (e.g., connector carousels) for use with electronic device processing kiosks, such as mobile phone recycling kiosks, are disclosed herein. In some embodiments, a connector carrier includes a chassis and a plurality of electrical connectors fixedly positioned around a periphery of the chassis. In operation, the connector carrier is configured to rotate about a central axis to position a selected one of the electrical connectors in a first position adjacent to an inspection area of the kiosk, and then move toward the inspection area to move the selected electrical connector from the first position to a second position in which a user can connect a mobile phone to the electrical connector. |
US11462865B2 |
User configurable electric power distribution apparatus
Various implementations and configurations of a user configurable electric power distribution apparatus are possible and may comprise: an electrical input unit comprising an electrical plug, wherein the input unit may be pluggable into an existing electrical outlet and may conceal the electrical outlet; an electrical output unit comprising one or more electrical receptacles, wherein the output unit and the input unit are not conjoined, the output unit can be located on a surface when the input unit is plugged into an electrical outlet, and the output unit can be separated by a distance from the input unit; an electrical interconnect, which may be modular, attached to both the input unit and the output unit, wherein electrical power received by the electrical plug may be available at an electrical receptacle comprised by the output unit; an optional ground fault circuit interrupter (GFCI); and an optional one or more USB power ports. |
US11462864B2 |
Charging connector for use with vehicle
A connector includes a terminal fitting connected to an end of an electric wire, a housing including a terminal accommodating chamber configured to accommodate the terminal fitting, a temperature sensor connected to an end of a detection line and configured to be attached to the terminal fitting, and a heat retaining cover. The heat retaining cover is configured to be attached to the housing such that the heat retaining cover covers a rear end portion of the housing and to retain heat inside the terminal accommodating chamber, the heat retaining cover having an electric wire guiding out portion through which the electric wire and the detection line drawn out from the terminal accommodating chamber are to be inserted. |
US11462861B2 |
Electrical shielding member for a network connector
The present invention relates to an electrical shielding member that includes a receiving portion for receiving a cable end of a shielded cable at least partially, wherein the receiving portion is adapted to be in contact with a shielding of the cable, and wherein the receiving portion comprises at least one coupling element, protruding outwardly from the receiving portion. The coupling element is adapted to be coupled to a corresponding coupling element of a network connector housing. The electrical shielding member further comprises an engagement element, protruding inwardly into the receiving portion, wherein the engagement element is adapted to be engaged with the cable. The electrical shielding member further comprises at least one contact beam, extending from the receiving portion, wherein the contact beam is adapted to be electrically connected to a counter electrical shielding member of a counter connector. |
US11462857B2 |
Connector
A first housing 10 is arranged in a mounting hole 91 of a panel 90. The first housing 10 includes a base portion 27, a coupling portion 28 located forward of the base portion 27, a linking portion 29 linking between the base portion 27 and the coupling portion 28, and a lock arm 30 projecting rearward toward the base portion 27 from the coupling portion 28. The lock arm 30 has a lock surface 34 to be arranged to contact a front surface of the panel 90. The lock arm 30 and the linking portion 29 are both shaped to be resiliently deformable. |
US11462852B2 |
Blind mate thermal cooling solution for small form factor pluggable transceiver
The technology relates to a cage configured to removably receive a module. The cage may include a frame comprising a plurality of panels joined to one another, a lever pivotably coupled to the frame, and a heatsink pivotably coupled to the lever. The panels together may extend around a longitudinal recess configured to receive the module therein. The longitudinal recess may define a longitudinal axis thereof. A first one of the panels may have an aperture defined therein in communication with the longitudinal recess. A first end of the lever may extend into the longitudinal recess. The heatsink may be pivotably coupled to a second end of the lever opposite the first end. The heatsink may be movable in a translation direction transverse to the longitudinal axis. The heatsink may be translatable between a first position outside of the longitudinal recess and a second position partially inside the longitudinal recess. |
US11462851B2 |
Machine case and cable connector assembly
A machine case includes a bottom cover and a top cover with a connection port, encloses a printed circuit board therein. An internal flat cable is equipped with a first connector at one end thereof and mounted upon a center region of the printed circuit board, and a second connector at another end thereof and disposed in the connection ports without electrically connecting to the printed circuit board. The second connector includes a plurality of contacts integrally formed within an insulator via insert-molding. A cable connector assembly includes an insulative housing having a mating port adapted to be mated with the connection port. A printed circuit board is embedded within the housing and forms mating pads on two opposite surfaces in a reversely symmetrical manner so as to have the two corresponding mating pads on two opposite surfaces in the diagonal direction share the same circuits. |
US11462848B2 |
Conical contact spring sleeve as well as electrical connectors and plug connections with such contact spring sleeves
A conical contact spring sleeve includes a radial concavity that projects radially inwards beyond an inner peripheral surface of the conical contact spring sleeve and/or a radial convexity that projects radially outwards beyond an outer peripheral surface of the conical contact spring sleeve. |
US11462845B2 |
Connector assembly for solderless mounting to a circuit board
A connector assembly for mounting on and making solderless electrical contact with a printed circuit board includes a plurality of stacked wafer assemblies. Each wafer assembly includes a wafer, a plurality of terminals partially embedded in the wafer where each terminal includes a connecting portion embedded in the wafer, a resiliently compressible mating portion for making solderless contact with a corresponding conductive pad of a PCB and a contact portion. The wafer is molded over the terminals. The wafer assembly also includes a plurality of wires terminated in termination regions at the contact portions of the terminals, and a shield disposed in the recess of the wafer and extending across the wafer. The connector assembly further includes a housing molded over the stacked wafers and the termination regions. |
US11462838B2 |
Tapering for MIMO
A transceiver having a virtual array is disclosed that includes a transmit antenna array and a receive antenna array. The transmit antennas are spaced apart by a transmit array spacing. Similarly, the receive antennas are spaced apart by a receive array spacing. One of the receive and transmit arrays has more antenna elements than a ratio of either the transmit array spacing divided by the receive array spacing or of the receive array spacing divided by the transmit array spacing. |
US11462836B2 |
Base station antennas having skeletal radio frequency lenses
A lensed base station antenna includes a first array that includes a plurality of radiating elements that are configured to transmit respective sub-components of a first RF signal, a second array that includes a plurality of radiating elements that are configured to transmit respective sub-components of a second RF signal and a skeletal RF lens positioned to receive electromagnetic radiation from a first of the radiating elements of the first array and from a first of the radiating elements of the second array. In some embodiments, the skeletal RF lens includes a plurality of layers of dielectric material that are separated by air gaps. |
US11462834B2 |
Antenna module and electronic device including the same
An antenna module includes: an antenna package including a patch antenna; an integrated circuit (IC) package including an IC; a connection member configured such that a portion of the connection member is disposed between the antenna package and the IC package, and having a laminated structure electrically connecting the patch antenna to the IC; and a chip antenna disposed on the connection member and including a first electrode electrically connected to the IC, a dielectric body disposed on a surface of the first electrode, and a second electrode spaced apart from the first electrode and disposed on the dielectric body. The connection member includes a first region disposed between the antenna package and the IC package, and a second region extending farther than the antenna package in a direction different from a direction in which the connection member is laminated. The chip antenna is disposed in the second region. |
US11462831B2 |
Antenna module and radio frequency apparatus including the same
A radio frequency (RF) apparatus includes a radio frequency integrated circuit (RFIC) chip and an antenna module disposed on an upper surface of the RFIC chip. The antenna module includes a first antenna patch that is in parallel with the RFIC chip, the first antenna patch including a first penetration point, and a first power feed point connected to a first power feed line to transmit and receive a first RF signal of a first frequency band; and a second antenna patch disposed above the first antenna patch in parallel with the first antenna patch, the second antenna patch including a second power feed point connected to a second power feed line that penetrates through the first penetration point to transmit and receive a second RF signal of a second frequency band. The first penetration point is formed in a first region of the first antenna patch in which influence on an electric field generated by the first antenna patch via the first power feed point is minimized. |
US11462830B2 |
Distributed control system for beam steering applications
A technique is described where the switch and/or tunable control circuit for use with an active multi-mode antenna is positioned remote from the antenna structure itself for integration into host communication systems. Electrical delay and impedance characteristics are compensated for in the design and configuration of transmission lines or parasitic elements as the active multi-mode antenna structure is positioned in optimal locations such that significant electrical delay is introduced between the RF front-end circuit and multi-mode antenna. This technique can be implemented in designs where it is convenient to locate switches in a front-end module (FEM) and the FEM is located in vicinity to the transceiver. |
US11462828B1 |
Peripheral antenna placement for calibration for a phased array antenna
Technologies directed to a directional calibration antenna for calibration of an array antenna of a communication system are described. The communication system includes the array antenna which includes a number of antenna elements. The number of antenna elements are located in an area on a first side of a support structure. A directional antenna is located at a first height above a plane of the array antenna and at a periphery of the area. The directional antenna is pointed towards the array antenna and is located within a near field of the array antenna. |
US11462827B2 |
Electronically scanned array
Systems and apparatuses include an electronically scanned array system including a power supply system, a radiating element subarray, a plurality of beamformer chips, and a plurality of control buses. The radiating element subarray includes active radiating elements, and between about one percent and about twenty percent reserve radiating elements distributed throughout the active radiating elements. Each control bus includes a plurality of primary control paths providing communication from the control bus to the beamformer chips, and a reserve control paths structured to be remapped to provide communication from the control bus to the beam former chips in the event that one of the plurality of primary control paths fails. |
US11462825B2 |
Antenna
To widen a range of an angle in which the directivity of an antenna is controllable to be high. An antenna includes a sheet-shaped laminated body that includes a conductive pattern layer, a first dielectric layer, a conductive ground layer, and an antenna pattern layer, the antenna pattern layer including element rows arranged in parallel, the element rows each including even-numbered radiation elements that are connected in series and linearly aligned at an interval in a direction orthogonal to a parallel alignment direction of the element rows, the conductive pattern layer including feed lines for feeding power to the center of each or the element rows, the element rows being divided into groups using a bending line as a boundary, by bending the laminated body along the bending line. |
US11462824B2 |
Cover element
A cover element is provided for a radome in a vehicle, which has an at least partially metallised film which is over-moulded on a front side with a layer of a first plastic and back-moulded on a back side with a cover layer of the second plastic, wherein a heating element is provided on the back side or front side of the at least partially metallised film. |
US11462820B2 |
Multi-band base station antenna for scattering suppression
The present disclosure provides a multi-band base station antenna for scattering suppression, including a high-band dual-polarized antenna and a low-band dual-polarized antenna. The operating band of the high-band dual-polarized antenna is 1.7-3.0 GHz, which are four; the operating band of the low-band dual-polarized antenna operates is 0.69-0.96 GHz, and is comprised of two intersected dipoles; above the high-band dual-polarized antennas, a spacing between the high-band dual-polarized antenna and the low-band dual-polarized antenna is smaller than the quarter wavelength corresponding to the low-band dual-polarized antenna; the low-band dual-polarized antenna is provided with several rectangular open slots at equal spacings, with symmetrical openings on both sides of the dipole, with a width of 1-1.5 mm and a length of 4-to 6 mm; and a ratio of the sum of widths of the open slots to a length of an arm of the dipole is greater than 0.16 and less than 0.24. |
US11462818B2 |
Electronic device including antenna device
An electronic device is provided. The electronic device includes a first housing structure including a first side surface member, a second housing structure including a second side surface member, a hinge structure configured to rotatably connect the first housing structure and the second housing structure and configured to provide a folding axis on which the first housing structure and the second housing structure rotate, and at least one printed circuit board, wherein the first side surface member or the second side surface member includes a first side surface portion a second side surface portion, a third side surface portion, a fourth side surface portion, a fifth side surface portion, a first slit a second slit a third slit, and a fourth slit, and a fifth slit, and wherein at least part of at least one of the second side surface portion, the third side surface portion, and the fourth side surface portion is formed of a radiation conductor and is electrically connected to the at least one printed circuit board. |
US11462816B2 |
Nameplate carrier and antenna holder
Disclosed herein is a combination faceplate antenna holder for an electric utility meter. |
US11462814B2 |
Window antennas
In one aspect, an apparatus is described that includes a transparent pane having a first surface and a second surface. An electrochromic device (ECD) is arranged over the second surface that includes a first conductive layer adjacent the second surface, a second conductive layer, and an electrochromic layer between the first and the second conductive layers. The apparatus further includes at least one conductive antenna structure arranged over the second surface. |
US11462810B2 |
Multiplexer and combiner structures embedded in a mmwave connector interface
Embodiments of the invention include a mm-wave waveguide connector and methods of forming such devices. In an embodiment the mm-wave waveguide connector may include a plurality of mm-wave launcher portions, and a plurality of ridge based mm-wave filter portions each communicatively coupled to one of the mm-wave launcher portions. In an embodiment, the ridge based mm-wave filter portions each include a plurality of protrusions that define one or more resonant cavities. Additional embodiments may include a multiplexer portion communicatively coupled to the plurality of ridge based mm-wave filter portions and communicative coupled to a mm-wave waveguide bundle. In an embodiment the plurality of protrusions define resonant cavities with openings between 0.5 mm and 2.0 mm, the plurality of protrusions are spaced apart from each other by a spacing between 0.5 mm and 2.0 mm, and wherein the plurality of protrusions have a thickness between 200 μm and 1,000 μm. |
US11462808B2 |
Conformable waveguide having an obround cross section, a tool for manually conforming an obround waveguide and a method for forming the conformable waveguide
A conformable waveguide for conveyance of high frequency radio signals including a hollow component having a smooth interior surface and an obround cross section, the obround cross section defined as having parallel opposing sides connected by two rounded opposing ends, where the parallel opposing sides are separated by a first distance, where vertices of the two rounded opposing ends are separated by a second distance, and where the second distance is greater than the first distance. |
US11462801B2 |
Battery module having structure capable of preventing inflow of air into module when thermal runaway occurs and battery pack including same
A battery module includes a cell stack having a plurality of battery cells; a module case configured to accommodate the cell stack; a pair of module covers configured to cover openings at both sides of the module case; and a ventilation unit installed through the module cover. The ventilation unit includes a one-way venting valve disposed at a center of a perforation hole formed through the module cover; a first hole sealing portion attached onto an inner wall of the perforation hole; and a second hole sealing portion attached onto an outer circumference of the one-way venting valve. |
US11462799B2 |
Battery module having gas discharge structure
A battery module includes a plurality of cylindrical battery cells, each having at least two electrode terminals of different polarities at one end portion; an upper case and an lower case including an accommodating portion where a space in which the cylindrical battery cells are inserted and accommodated is formed, a gas discharge path extending in front, back, left, and right directions to externally discharge a gas discharged from the cylindrical battery cells and where an open portion externally exposed is formed, and a gas discharge hole opened such that the gas discharge path is connected to the outside; a cover sheet between the upper case and the lower case to cover the open portion of the gas discharge path; and a plurality of wire type bus bars to electrically contact and connect the electrode terminals of the cylindrical battery cells to each other. |
US11462798B2 |
Battery module
An embodiment of the present disclosure provides a battery module including: battery cells including negative and positive electrodes on the same side; a first conductive plate provided at end portions of the battery cells and adjacent to the negative and positive electrodes, the first conductive plate including first through-holes through which the negative and positive electrodes are respectively exposed and first stepped portions which are adjacent to the first through-holes and recessed toward the battery cells; an insulative plate arranged on the first conductive plate and including second through-holes which at least partially overlap the first through-holes; a second conductive plate on the insulative plate, the second conductive plate including third through-holes which at least partially overlap the second through-holes and second stepped portions which are adjacent to the third through-holes and recessed toward the insulative plate; first connection tabs electrically connecting the positive electrodes or the negative electrodes to the first stepped portions; and second connection tabs electrically connecting the others of the positive electrodes and the negative electrodes to the second stepped portions. |
US11462797B2 |
Battery module with selective temperature control
A battery module may include a plurality of sub-modules arranged in a single direction, a cooling unit contacting one sides of the plurality of sub-modules to cool the plurality of sub-modules, and a heating unit contacting other sides opposing the one sides of the plurality of sub-modules to heat the plurality of sub-modules. |
US11462793B2 |
Battery case structure for vehicle
The vehicle battery case structure includes a top plate and a bottom plate, a side plate provided around the bottom plate, a partition plate provided in a lattice shape on the top surface of the bottom plate to form a plurality of regions for accommodating the battery pack with the side plate, a slit portion into which the side plate and the partition plate can be inserted, and a fixing portion to which the top plate is fixed, and a fastening member bonded to the top surface of the bottom plate at the intersection of the side plate and the partition plate and at the intersection of the partition plates in a state in which at least one of the side plate and the partition plate is inserted into the slit portion. |
US11462791B2 |
Electric vehicle battery cell structure
Provided herein are systems, apparatuses, and methods of providing electrical energy for electric vehicles. A battery pack can be disposed in an electric vehicle to power the electric vehicle. A battery cell can be arranged in the battery pack. The battery cell can have a housing. The housing can define a cavity within the housing. The battery cell can have an electrode structure arranged within the cavity. The electrode structure can include a first polarity electrode plate, a second polarity electrode plate, and at least one separator. First and second polarity tabs are coupled with the first and second polarity electrode plates, respectively. The tabs include a flat surface, an electrode interface surface and at least one intermediate surface that extends therebetween. The at least one intermediate surface forms an acute angle with the electrode interface surface. |
US11462789B2 |
Base body for feeding through of a conductor, and a housing component of a housing, in particular a battery housing comprising said base body
A base body includes at least one opening through which at least one functional element surrounded by a glass or glass ceramic material is fed through the opening of the base body for connection with a housing comprising a light metal, in particular aluminum. The base body consists at least partially of a light metal, such as a light metal alloy which has a yield point greater than 40N/mm2 when heated to temperatures higher than 520° C. to a maximum of 560° C. for longer than 1 to 60 minutes. |
US11462787B2 |
Electrode assembly package structure
Embodiments of the present application provide an electrode assembly package structure, comprising a package side and a sealing side extending along the length of the electrode assembly package structure, wherein the sealing side includes a first sealing segment that abuts the package side and a second sealing segment that is between the package side and the first sealing segment. The purpose of the present application is to provide an electrode assembly package structure capable of reducing the influence of the sealing side on the length of the package structure and improving the space utilization in the length direction. |
US11462777B2 |
Battery pack inspection method and inspection device for anomaly detection via voltage comparison over time
The inspection device includes a charging unit and an inspection unit, and detects the connection anomaly by retrieving a first cell voltage at the early stage of start of the constant-current charging and a second cell voltage at a stage where the charging has progressed to determine deviations from the average value of all the cell groups. |
US11462774B2 |
State of charge dependent plating estimation and prevention
A battery system includes a lithium ion battery configured to couple to an electrical system, and a battery management system configured to electrically couple to the lithium ion battery and to control one or more recharge parameters of the lithium ion battery. The battery management system is programmed with an electrochemical model, and the battery management system is configured to monitor parameters of the lithium ion battery, and to control the one or more recharge parameters of the lithium ion battery based on the electrochemical model and the one or more monitored parameters. The electrochemical model determines lithium plating reaction kinetics at an anode of the lithium ion battery, determines a quantity of plated lithium at the anode of the lithium ion battery, or both, and indicates a relationship between the one or more monitored parameters and the lithium plating reaction kinetics, the quantity of plated lithium, or both. |
US11462763B2 |
Aircraft fuel cells system
A system of fuel cells for an aircraft including a plurality of fuel cells, a hydrogen circuit, a cooling circuit and a first air circuit configured to supply oxygen to a first subset of fuel cells having at least two cells. The first air circuit includes an air flow restrictor at each fuel cell inlet of the first subset and configured to distribute the air between the fuel cells of the first subset, and an outlet valve connected to the outlet of the fuel cells of the first subset, the opening of the outlet valve being controlled by a computer as a function of an electrical power that is to be produced by the fuel cells of the first subset. The use of the same air circuit to supply oxygen to several fuel circuits makes it possible to limit the bulk of the fuel cells system. |
US11462761B2 |
Regeneration of flow battery
A redox flow battery includes a redox flow cell, a supply/storage system external of the redox flow cell, and a controller. The supply/storage system includes first and second electrolytes for circulation through the redox flow cell. The first electrolyte is a liquid electrolyte having electrochemically active species with multiple, reversible oxidation states. The electrochemically active species can form a solid precipitate blockage in the redox flow cell. The controller is configured to identify whether there is the solid precipitate blockage in the redox flow cell and, if so, initiate a regeneration mode that reduces the oxidation state of the electrochemically active species in the liquid electrolyte to dissolve, in situ, the solid precipitate blockage. |
US11462750B2 |
Fuel cell vehicle having small space occupied by humidifier and cooler
A fuel cell vehicle includes a fuel cell, an air compressor configured to draw in and discharge air, a cooler configured to cool air discharged from the air compressor, a humidifier configured to humidify air cooled by the cooler and to supply the humidified air to the fuel cell, and a system frame on which the fuel cell is disposed. The system frame accommodates at least a portion of each of the cooler and the humidifier therein. |
US11462745B2 |
Fuel cell catalyst, fuel cell electrode including the same and membrane-electrode assembly including the same
The present disclosure relates to a fuel cell catalyst, a fuel cell electrode including the same, and a membrane-electrode assembly including the same. In one embodiment, the fuel cell catalyst includes: a support including a titanium oxynitride represented by the following Formula 1: TiO1-yNy, wherein 0.05 |
US11462741B2 |
Metallic lithium-skeleton carbon composite material having a hydrophobic cladding layer, preparation method and use thereof
Disclosed are a metallic lithium-skeleton carbon composite material having a hydrophobic cladding layer, a preparation method thereof, an electrode, an electrochemical energy storage device containing the metallic lithium-skeleton carbon composite material, and a method for protecting a material containing a water- and oxygen-sensitive active metal. The metallic lithium-skeleton carbon composite material having a hydrophobic cladding layer comprises: a metallic lithium-skeleton carbon composite material comprising a porous carbonaceous support and metallic lithium at least distributed in pores of the porous carbonaceous support; and a hydrophobic cladding layer covering at least the metallic lithium in the metallic lithium-skeleton carbon composite material. |
US11462737B2 |
Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
A binder composition for a non-aqueous secondary battery electrode contains a water-soluble polymer including, in a proportion of at least 0.1 mass % and not more than 20 mass %, a monomer unit derived from a monomer represented by general formula (1): CH2═C(R1) —C═O—NH—R2—OH (R1 is hydrogen or an alkyl group and R2 is (CHR3)n(O(CHR3)m)l[n=1 to 10; m=1 to 4; 1=0 to 3; and R3 is hydrogen or an alkyl group having a carbon number of 1 to 4]). |
US11462732B2 |
Process for making a coated electrode active material
Process for making a coated electrode active material wherein said process comprises the following steps: (a) providing a particulate electrode active material according to general formula Li1+xTM1−xO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Mg, Al, Ba, Ti and Zr, and x is in the range of from zero to 0.2, wherein at least 15 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with a compound of M1, wherein M1 is selected from Li, Al, B, Mg, Si, Sn, and from transition metals, or a combination of at least two of the foregoing, with or without a solvent, wherein said compound of M1 does not act as a cathode active material on its own, (c) optionally, removing compound of M1 which is not deposited on said particulate electrode active material, (d) performing a post-treatment by heating the material obtained after the step (b) or (c), if applicable, at a temperature from 300 to 800° C. in a rotary kiln or pendulum kiln. |
US11462728B2 |
Structured composite materials
A method of producing a structured composite material is described. A porous media is provided, an electrically conductive material is deposited on surfaces or within pores of the plurality of porous media particles, and an active material is deposited on the surfaces or within the pores of the plurality of porous media particles coated with the electrically conductive material to coalesce the plurality of porous media particles together and form the structured composite material. |
US11462724B1 |
Electrode manufacturing
A method for manufacturing electrodes includes mixing a powder to form a homogenous blend, injecting a lubricant into the homogenous blend to form a dough, kneading the dough to form a fibrillated dough, and outputting segments of the fibrillated dough. The method also includes processing the segments into a continuous plaque, drying the continuous plaque to form an active material sheet, laminating portions of the active material sheet to a current collector substrate to form an electrode blank, and sectioning the electrode blank into electrodes. |
US11462723B2 |
Electrochemical cells with copper-free electrodes and methods for manufacturing the same
Presented are electrochemical devices with copper-free electrodes, methods for making/using such devices, and lithium alloy-based electrode tabs and current collectors for rechargeable lithium-class battery cells. A method of manufacturing copper-free electrodes includes feeding an aluminum workpiece, such as a strip of aluminum sheet metal, into a masking device. The masking device then applies a series of dielectric masks, such as strips of epoxy resin or dielectric tape, onto discrete areas of the workpiece to form a masked aluminum workpiece with masked areas interleaved with unmasked areas. The masked workpiece is then fed into an electrolytic anodizing solution, such as sulfuric acid, to form an anodized aluminum workpiece with anodized surface sections on the unmasked areas interleaved with un-anodized surface sections underneath the dielectric masks of the masked areas. The dielectric masks are removed to reveal the un-anodized surface sections, and the anodized aluminum workpiece is segmented into multiple copper-free electrodes. |
US11462721B2 |
Finely deposited lithium metal powder
The present invention provides a method of finely depositing lithium metal powder or thin lithium foil onto a substrate while avoiding the use of a solvent. The method includes depositing lithium metal powder or thin lithium foil onto a carrier, contacting the carrier with a substrate having a higher affinity for the lithium metal powder as compared to the affinity of the carrier for the lithium metal powder, subjecting the substrate while in contact with the carrier to conditions sufficient to transfer the lithium metal powder or lithium foil deposited on the carrier to the substrate, and separating the carrier and substrate so as to maintain the lithium metal powder or lithium metal foil, deposited on the substrate. |
US11462719B2 |
Organic light emitting transistor, temperature sensing device and temperature detecting method
Embodiments of the present disclosure provide an organic light emitting transistor comprising: a substrate, and a gate electrode, a gate insulating layer, source/drain electrodes and a light emitting functional layer disposed on the substrate, wherein the organic light emitting transistor further comprises an external electrode coupled to the gate electrode in series, wherein a temperature-dependent resistance change rate of the gate electrode is different from a temperature-dependent resistance change rate of the external electrode. |
US11462714B2 |
Organic light emitting diode display device
A display device capable of reducing a non-display area is disclosed. The disclosed display device includes a first through hole not overlapping with an organic cover layer surrounding at least one hole area disposed within an active area, and a second through hole passing through a substrate. Accordingly, it is possible to minimize a bezel area, which is a non-display area, and to prevent damage to a light emitting stack caused by a stripping process. |
US11462713B2 |
Display device and manufacturing method thereof
A display device includes: a substrate including a first region, a second region, and a bending region, the bending region connecting the first region and the second region to each other; a display unit disposed on a first surface of the substrate in the first region thereof; in the first region of the substrate, a first passivation layer disposed on a second surface of the substrate which is opposite to the first surface of the substrate; and in the second region of the substrate, a second passivation layer disposed on the second surface of the substrate. Each of the first passivation layer and the second passivation layer includes a photocurable resin which is cured. |
US11462712B2 |
Display device
A display device includes a first substrate, a plurality of pixels on the first substrate, a second substrate on the plurality of pixels, a sealing portion surrounding the plurality of pixels and located between the first substrate and the second substrate, a first wiring extending in a first direction outside the plurality of pixels, and a second wiring partially surrounding the plurality of pixels, in a plane view, in which the second wiring comprises an extension portion arranged in parallel to the first direction between the first wiring and an edge of the first substrate, and the sealing portion fills an area between the extension portion and the first wiring. |
US11462711B2 |
Light-emitting device and method of fabricating display panel therewith
A light-emitting device may include a first electrode, a second electrode, and a light-emitting layer therebetween. The first electrode may include a reflection layer and a metal oxide layer provided on the reflection layer. The metal oxide layer may be provided between the reflection layer and the light-emitting layer. The metal oxide layer may include molybdenum dioxide and an oxide of a group-V element, and a content of the group-V element to a total amount of the metal oxide layer may range from 2 at % to 10 at. |
US11462707B2 |
Display panel utilizing self-luminous elements and method of manufacturing same
A display panel including a substrate, anodes disposed on or above the substrate, light-emitting layers disposed on or above the anodes, a first intermediate layer disposed on or above the light-emitting layers, a second intermediate layer disposed on the first intermediate layer, and a cathode disposed on or above the second intermediate layer. The first intermediate layer includes a fluoride of a first metal or a complex of the first metal. The second intermediate layer includes a second metal. The anodes are light-transmissive and the cathode is light-reflective, or the anodes are light-reflective and the cathode is light-transmissive. The first metal is selected from a group consisting of alkali metals and alkaline earth metals. The second metal is selected from rare earth metals. |
US11462706B2 |
Quantum dot light emitting diode and method for manufacturing the same, and display panel
Disclosed belongs to the technical field of displaying, and relates to a quantum dot light emitting diode and a method for manufacturing the same, and a display panel. The method for manufacturing the quantum dot light emitting diode comprises steps of forming a cathode, an electron transport layer doping a substance capable of trapping current carriers comprising a N-type metal oxide and a quantum dot material with a surface ligand comprising a hydroxyl group, a light emitting layer, a hole transport layer and an anode. The quantum dot light emitting diode can effectively reduce the electron transport or injection by incorporating a substance capable of trapping current carriers, and therefore significantly improve the luminous efficiency. Meanwhile, the PEDOT:PSS with high conductivity is used as the transparent anode, and thus the whole structure may be manufactured totally by using solution processes at low cost and without high vacuum coating machines. |
US11462690B2 |
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
An organic electroluminescence device includes a first electrode; a second electrode on the first electrode; and a plurality of organic layers between the first electrode and the second electrode, where a polycyclic compound represented by Formula 1-1 or Formula 1-2 is included in at least one organic layer of the plurality of organic layers. The polycyclic compound is represented by Formula 1-1 or Formula 1-2. |
US11462689B2 |
Organic light-emitting devices
The present disclosure discloses an organic light-emitting device, which includes a first electrode and a hole injection layer laminated with each other and formed an ohmic contact therebetween. The hole injection layer is characterized by a carrier mobility of less than 2×10−5 CM2V−1S−1. |
US11462684B2 |
Retention improvement by high-k encapsulation of RRAM devices
An RRAM device is disclosed. The RRAM device includes a bottom electrode, a high-k material on the bottom electrode, a top electrode, a top contact on the top electrode and an encapsulating layer of Al2O3. The encapsulating layer encapsulates the bottom electrode, the high-k material, the top electrode and the top contact. |
US11462682B2 |
Work function structure for voltage-controlled magnetic anisotropy
A magnetic device may include a layer stack including a work function structure, a dielectric layer, and a ferromagnetic layer, where the ferromagnetic layer is positioned between the work function structure and the dielectric layer. The work function structure is configured to deplete electrons from the ferromagnetic layer or accumulate electrons in the ferromagnetic layer. A magnetization orientation of the ferromagnetic layer is configured to be switched by a voltage applied across the layer stack or by a voltage applied across or through the work function structure. |
US11462680B2 |
Magnetic storage device
A magnetic storage device includes a magnetoresistive effect element. The magnetoresistive effect element includes a first ferromagnetic layer; a second ferromagnetic layer; a non-magnetic layer between the first ferromagnetic layer and the second ferromagnetic layer; and a first layer provided at a side of the first ferromagnetic layer opposite to a side of the first ferromagnetic layer at which the non-magnetic layer is provided. The first layer includes a rare-earth element and the first layer has a region including boron (B) at a proportion higher than a proportion of boron (B) in the first ferromagnetic layer. |
US11462678B2 |
Perpendicular spin transfer torque memory (pSTTM) devices with enhanced thermal stability and methods to form the same
A pSTTM device includes a first electrode and a second electrode, a free magnet between the first electrode and the second electrode, a fixed magnet between the first electrode and the second electrode, a tunnel barrier between the free magnet and the fixed magnet, a coupling layer between the free magnet and the first electrode, where the coupling layer comprises a metal and oxygen and a follower between the coupling layer and the first electrode, wherein the follower comprises a magnetic skyrmion. The skyrmion follower may be either magnetically and electrically coupled to the free magnet to form a coupled system of switching magnetic layers. In an embodiment, the skyrmion follower has a weaker magnetic anisotropy than an anisotropy of the free magnet. |
US11462677B2 |
Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)
A diaphragm for a piezoelectric micromachined ultrasonic transducer (PMUT) is presented having resonance frequency and bandwidth characteristics which are decoupled from one another into independent variables. Portions of at least the piezoelectric material layer and backside electrode layer are removed in a selected pattern to form structures, such as ribs, in the diaphragm which retains stiffness while reducing overall mass. The patterned structure can be formed by additive, or subtractive, fabrication processes. |
US11462674B2 |
Add-on unit or cable connectable to the power supply or signal cord of an electric device
The present invention discloses a method for creating spin-affected electric currents passively and feeding them into electric devices. The invention can be realized as either a rectangular black box incorporating coatings on top of and on the bottom of a conducting volume of material, or by coating a round-shaped wire or thread(s) of a cable. This is obtained by using a specific coating material on the conducting piece of material. The material may be piezoelectric, such as silicon dioxide (i.e. quartz) but also silicon carbide (SiC) may be used. Also, mixtures and composite arrangements are possible in order to create a coating. The manufactured add-on unit, when supplied with the input power or input signal, will act as an electron spin feeding device to the electric device because the electrons will be moving strongly within the interface area of the coating and the conducting material with aligned spins. The resulting effect also lasts longer within the electric device than just the time when the add-on unit is connected to the electric device. |
US11462673B2 |
Piezoelectric substrate attachment structure and sensor module
A piezoelectric substrate attachment structure including a cable-shaped piezoelectric substrate, a press section provided adjacent to the piezoelectric substrate and pressed from an opposite side from the piezoelectric substrate, and a base section provided adjacent to the piezoelectric substrate on an opposite side from the press section. A ratio Eb/Ea of a Young's modulus Eb of the base section to a Young's modulus Ea of the press section being 10−1 or lower. |
US11462670B2 |
Thermoelectric conversion material, thermoelectric conversion element and thermoelectric conversion module
A thermoelectric conversion material includes: a base material that is a semiconductor; and an additive element that differs from an element constituting the base material. An additional band formed of the additive element is present within a forbidden band of the base material. A density of states of the additional band has a ratio of greater than or equal to 0.1 relative to a maximum value of a density of states of a valence band adjacent to the forbidden band of the base material. |
US11462663B2 |
Light emitting device, light emitting diode package, backlight unit, and liquid crystal display
A light emitting diode including a circuit board, at least one light emitting diode chip disposed on the circuit board, the light emitting diode chip including a substrate, a light emitting structure disposed under the substrate and including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a transparent electrode layer disposed on a lower surface of the light emitting structure, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflective layer covering at least part of the lower surface of the light emitting structure, a reflective member covering an upper surface of the light emitting diode chip and including at least one of a distributed Bragg reflector (DBR) and metal, and a light transmitting resin surrounding the light emitting diode chip and the reflective member on the circuit board. |
US11462660B2 |
Display panel and display device
Disclosed are a display panel and a display device. The display panel includes a first substrate and a light-emitting substrate disposed opposite to each other. The first substrate includes a first base and a baffle wall layer, the first base includes a display region, and the baffle wall layer is located on a side of the first substrate and in the display region. The light-emitting substrate includes a second base, a eutectic layer and multiple micro light-emitting diodes. The eutectic layer is located on a side of the second base close to the first substrate. The multiple micro light-emitting diodes are located on a side of the eutectic layer close to the first substrate. The eutectic layer includes a first eutectic layer subsection and a second eutectic layer subsection, the first eutectic layer subsection is electrically connected to multiple micro light-emitting diodes. |
US11462657B1 |
Reduced dark current photodetector with continuous photodetector layer
Photo-detector comprising: photo absorbing layer exhibiting a valence band energy level; a barrier layer, first side of the barrier layer adjacent a first side of the photo absorbing layer, the barrier layer exhibiting a valence band energy level substantially equal to the valence band energy level of the photo absorbing layer; and a contact area comprising a doped semiconductor, the contact area being adjacent a second side of the barrier layer opposing the first side, the barrier layer exhibiting a thickness and a conductance band gap sufficient to prevent tunneling of majority carriers between the photo absorbing layer and contact area, and block the flow of thermalized majority carriers between the photo absorbing layer and contact area. The photoabsorber layer extends past the one or more individual sections of the contact layer in the direction across the photodetector, and is monolithically provided for each of the individuals detector elements. |
US11462655B2 |
Tandem solar cell and method of manufacturing the same
The present disclosure relates to a tandem solar cell and a method of manufacturing the same, and more particularly, to a tandem solar cell having a perovskite solar cell stacked on and bonded to a silicon solar cell and a method of manufacturing the same. According to the present disclosure, a tandem solar cell embodied by using a homojunction silicon solar cell is provided with a first passivation pattern so that a part of an emitter layer under the first passivation pattern is exposed, thereby protecting, by the first passivation pattern, the emitter layer during high temperature firing for forming a second electrode, reducing surface defects of the emitter layer, and reducing a problem in that characteristics of the perovskite solar cell are degraded. |
US11462654B2 |
Solar cell and method of manufacturing the same
Disclosed is a solar cell including a semiconductor substrate, and a dopant layer disposed over one surface of the semiconductor substrate and having a crystalline structure different from that of the semiconductor substrate, the dopant layer including a dopant. The dopant layer includes a plurality of semiconductor layers stacked one above another in a thickness direction thereof, and an interface layer interposed therebetween. The interface layer is an oxide layer having a higher concentration of oxygen than that in each of the plurality of semiconductor layers. |
US11462651B2 |
Electronic device
An electronic device comprises plural first substrates, plural photoelectric structures, a third substrate, plural driving units, plural conductive layers and plural first conductive structures. The first substrates are arranged in coplanar in a first direction. The photoelectric structures are arranged in coplanar in the first direction and disposed on the first substrate. Each photoelectric structure has a second substrate, a signal layer and a photoelectric component. The photoelectric component is electrically connected to the signal line of the signal layer. One of the photoelectric structures straddles two adjacent first substrates. The third substrate is connected to the first substrate or the photoelectric structure. The driving units are distributed on the first substrate or the photoelectric structure, and the driving units correspondingly drive the photoelectric components of the photoelectric structures. The optoelectronic structures are electrically connected to the conductive layers via the first conductive structures, respectively. |
US11462650B2 |
Crystalline silicon-based flexible solar cell and manufacturing method therefor
Provided is a solar cell including: a crystalline silicon semiconductor substrate having a specific radius of curvature; a plurality of microwire structures that extend from a first surface of the crystalline silicon semiconductor substrate in a vertical direction and are arranged spaced apart from each other; a first layer positioned on the first surface of the crystalline silicon semiconductor substrate and forming a P-N junction with the crystalline silicon semiconductor substrate; a first electrode part positioned on the first layer and connected to the first layer; a second layer positioned on a second surface of the crystalline silicon semiconductor substrate which is opposite the first surface; and a second electrode part positioned on the second layer and connected with the second layer. |
US11462647B2 |
Floating gate memristor device and neuromorphic device having the same
Disclosed is a floating gate memristor device comprising: a substrate; a floating gate disposed on the substrate; an insulating layer covering the floating gate; a first electrode including a plurality of control terminals disposed on the insulating layer and spaced apart from each other, wherein the plurality of control terminals vertically overlap the floating gate; a second electrode spaced away from the first electrode, wherein a ground voltage is applied to the second electrode; and a third electrode disposed on the substrate and electrically connected to the floating gate. |
US11462644B2 |
TFT module, scanned antenna provided with TFT module, method for driving device provided with TFT module, and method for producing device provided with TFT module
A TFT module includes TFTs; gate bus lines; a plurality of source bus lines; unit electrodes connected with the source bus lines via the TFTs; a gate driver configured to supply a scan signal from a first end of the gate bus lines and a source driver configured to supply a data signal from a first end of the source bus lines, the gate driver and the source driver being provided in a second region lying around a first region in which the unit electrodes are provided; current sensing circuits provided in the second region; and feedback lines. Each of the feedback lines is connected with a corresponding current sensing circuit and with a second end of a corresponding source bus line or gate bus line, the second end being opposite to the first end. |
US11462639B2 |
Semiconductor structure and method for forming the same
A method for forming a semiconductor is provided. The method includes etching a trench in a semiconductor substrate, in which the trench surrounds a device region of the semiconductor substrate; forming a conductive feature in the trench; and forming a transistor on the device region of the semiconductor substrate after forming the conductive feature. |
US11462636B2 |
Method for manufacturing high electron mobility transistor with at least two barrier layers
A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a first barrier layer on the buffer layer; forming a patterned mask on the first barrier layer; forming a second barrier layer adjacent to two sides of the patterned mask; removing the patterned mask to form a recess; forming a gate electrode in the recess; and forming a source electrode and a drain electrode adjacent to two sides of the gate electrode. |
US11462635B2 |
Nitride semiconductor device and method of manufacturing the same
There is provided a nitride semiconductor device that includes a first nitride semiconductor layer configured as an electron transit layer, a second nitride semiconductor layer formed on the first nitride semiconductor layer and configured as an electron supply layer, a ridge-shaped nitride semiconductor gate layer disposed on the second nitride semiconductor layer and including an acceptor-type impurity, and a gate electrode formed on the nitride semiconductor gate layer. The gate electrode includes a first metal film that is formed on the nitride semiconductor gate layer and is mainly made of Ti, and a second metal film that is formed on the first metal film and is made of TiN. |
US11462631B2 |
Sublithography gate cut physical unclonable function
Methods, and devices related to authentication of chips using physical unclonable function (PUF) are disclosed. The semiconductor chip includes a substrate. The semiconductor chip includes multiple devices formed on the substrate. Each device includes multiple fins. A gate is formed on the multiple fins with a gate cut (CT) design that results in random distribution of complete gate cut and incomplete gate cut for each of the multiple devices based on a natural process variation in semiconductor manufacturing for each device. A physical unclonable function (PUF) region is defined in accordance with the random distribution. |
US11462629B2 |
Field effect transistors having a fin
Transistors might include first and second semiconductor fins, a first source/drain region in the first semiconductor fin and extending downward from an uppermost surface of the first semiconductor fin, a second source/drain region in the second semiconductor fin and extending downward from an uppermost surface of the second semiconductor fin, a dielectric between the first and second semiconductor fins and adjacent to sidewalls of the first and second semiconductor fins, and a control gate over the dielectric and between the first and second semiconductor fins and extending to a level below upper surfaces of the first and second source/drain regions. |
US11462628B2 |
Semiconductor device, and manufacturing method thereof
A semiconductor device, and a manufacturing method thereof. The method includes: providing a semiconductor substrate provided with a body region, a gate dielectric layer, and a field oxide layer, formed on the semiconductor substrate; forming a gate polycrystalline, the gate polycrystalline covering the gate dielectric layer and the field oxide layer and exposing at least one portion of the field oxide layer; forming a drift region in the semiconductor substrate by ion implantation using a drift region masking layer as a mask, removing the exposed portion of the field oxide layer by further using the drift region masking layer as the mask to form a first field oxide self-aligned with the gate polycrystalline; forming a source region in the body region, and forming a drain region in the drift region; forming a second field oxide on the semiconductor substrate; and forming a second field plate on the second field oxide. |
US11462627B2 |
Manufacturing method for a semiconductor device
The present invention provides a manufacturing method for a semiconductor memory device. The method comprises: providing a substrate, wherein a gate structure of a memory transistor is formed on a memory area of the substrate, and a first layer used for forming a gate structure of a peripheral transistor is formed on a peripheral area of the substrate; performing lightly doped drain ion implantation on an upper part of a portion, on two sides of the gate structure of the memory transistor, of the memory area of the substrate by applying the first layer as a mask of the peripheral area; and etching the first layer to form the gate structure of the peripheral transistor. According to the present invention, an ion diffusion degree of source and drain electrodes of the memory area may be effectively increased, and the uniformity of a memory cell device is improved. |
US11462626B2 |
Semiconductor device and method of manufacture
Semiconductor devices and methods which utilize a passivation dopant to passivate a gate dielectric layer are provided. The passivation dopant is introduced to the gate dielectric layer through a work function layer using a process such as a soaking method. The passivation dopant is an atom which may help to passivate electrical trapping defects, such as fluorine. |