Systems and methods for preventing leakage of electromagnetic waves from electronic devices
Systems and methods for preventing leakage of electromagnetic waves from electronic devices, or for preventing unwanted RF fields from entering an electronic device. According to an aspect, a system includes a body and a cover positioned to define an enclosed interior space for placement of an electronic device. The system also includes a gasket attached to or integrated one of the body and cover to seal the interior space from outside the electronic device enclosure. Further, the system includes an electromagnetic wave absorptive material attached to a portion of the gasket for absorbing electromagnetic waves generated within or outside of the electronic device enclosure.
Inductance-based user interface elements
Mechanisms for providing inductance-based user interface elements are provided. Some implementations of such inductance-based devices may feature very small gaps between the housing and the inductive coil, as well as various features to aid in improving sensor sensitivity and reducing the possibility of false button-push events.
Electrical panel enclosure including baffle to inhibit water ingress
An electrical panel enclosure includes a baffle secured to an enclosure body. The baffle is between a first door gasket and a first side door flange of the first door to impede liquid flow toward the first door gasket when the first door is in the closed position. The baffle is also between a second door gasket and a second side door flange of a second door to impede liquid flow toward the second door gasket when the second door is in the closed position.
An electronic device including a display module, a circuit module and a housing is provided. The housing accommodates the display module and the circuit module and includes a transparent cover, a multi-layer stacked structure and a tinted layer. At least a part of the transparent cover presents a curve. The multi-layer stacked structure is disposed on an inner surface of the transparent cover and has a plurality of optical layers stacked in sequence. The tinted layer is disposed on the multi-layer stacked structure. Through the disposition of the multi-layer stacked structure, the housing has variable visual effects.
Voiding control using solid solder preforms embedded in solder paste
Methods are provided for controlling voiding caused by gasses in solder joints of electronic assemblies. In various embodiments, a preform can be embedded into the solder paste prior to the component placement. The solder preform can be configured with a geometry such that it creates a standoff, or gap, between the components to be mounted in the solder paste. The method includes receiving a printed circuit board comprising a plurality of contact pads; depositing a volume of solder paste onto each of the plurality of contact pads; depositing a solder preform into each volume of solder paste; placing electronic components onto the printed circuit board such that contacts of the electronic components are aligned with corresponding contact pads of the printed circuit board; and reflow soldering the electronic components to the printed circuit board.
An electronic device is disclosed. The electronic device includes a housing, a roller positioned inside the housing, a display panel rollable on the roller, and a guide roller positioned at an edge inside the housing. A state of the display panel with respect to the roller includes a first state in which the display panel is rolled on the roller and a second state in which the display panel is unrolled from the roller. The roller includes an outer frame which rotates when the display panel is rolled on or unrolled from the roller, and an inner frame positioned inside the outer frame and fixed to an inside of the housing regardless of rolling and unrolling the display panel.
Three-dimensional wiring board production method, three-dimensional wiring board, and substrate for three-dimensional wiring board
A three-dimensional wiring board production method is provided that includes: a preparation step of preparing a resin film (1) having a breaking elongation of 50% or more; a first metal film formation step of forming a first metal film (3) on a surface of the resin film; a pattern formation step of performing patterning on the first metal film to form a desired pattern; a three-dimensional molding step of performing three-dimensional molding by heating and pressurizing the resin film; and a second metal film formation step of forming a second metal film (21) on the first metal film having a pattern formed thereon. In the first metal film formation step, metal is deposited in a particle state to form the first metal film in a porous state.
High-current PCB traces
The present disclosure relates to systems and methods using thermal vias to increase the current-carrying capacity of conductive traces on a multilayered printed circuit board (PCB). In various embodiments, parameters associated with vias may be selected to control various electrical and thermal properties of the conductive trace. Such parameters include the via diameter, a plating thickness, a number of vias, a placement of the vias, an amount of conductive material to be added or removed from the conductive trace, a change in the resistance of the conductive trace, a change in a fusing measurement of the conductive trace, and the like.
System and method of illuminating livestock
A system and method for illuminating livestock within an agricultural dwelling. The system has a plurality of lighting assemblies that are electrically connected to a dimming device. The lighting assemblies are dimmed from a white color to predetermined wavelength to result in a predetermined behavior of the livestock. The predetermined wavelength and behavior includes a red wavelength that is undetected by the livestock thus resulting in the predetermined behavior of the livestock sleeping while workers can continue to work or function within the agricultural dwelling.
Modular coordinated lighting system
A modular coordinated lighting system comprising one or more wireless lighting devices that can communicate over a network and coordinate their operation to provide illumination to an area is provided. Wireless control present in one wireless lighting device can be used to propagate the wireless control of that wireless lighting device to an entire of group of lights in a lighting system. In this manner, a user can easily install wireless lighting devices that work in coordination to illuminate an area as if they are one lighting device. A networked wireless lighting device may also be configured through the user input method to operate different groups of wireless lighting modules such that lighting groups may be created. Multiple lighting groups allow a user to configure lighting provided by the modular coordinated lighting system based on their preference.
Coded light modulation arangement
The invention describes a coded light modulation arrangement (1), adapted to be connected between a driver (31) and a LED (3), which coded light modulation arrangement (1) comprises input terminals (10) adapted to connect to the driver (31) and to receive a drive current (IDRIVE), an energy storage arrangement comprising a number of energy storage devices (E1, E2); a data input interface (12) realized to receive a data stream (D), said data stream (D) comprises a sequence of binary symbols comprising a logic high and a logic low; a switch arrangement comprising a number of switches (S1, S2) arranged to connect the energy storage devices (E1, E2) of the energy storage arrangement and to modulate the drive current such that, in a charging switch configuration corresponding to the logic low, a negative modulation current (INEG) is diverted from a drive current (IDRIVE) of the LED (3) to the energy storage arrangement; and, in a discharging switch configuration corresponding to the logic high, a positive modulation current (IPOS) is drawn from the energy storage arrangement and added to the drive current (IDRIVE) of the LED (3); and output terminals (11) adapted to connect to the LED (3) and to provide the modulated drive current directly to the LED (3) to emit the low and high radiant flux level as coded light (Lcoded) to be received by a photosensor of a coded light receiver device. The invention further describes a method of performing coded light modulation for light emitted by a LED (3); a luminaire; and a coded light communication arrangement (5).
Light emitting diode activation control
A system and method may include receiving, at a first node of a circuit electrically coupled to a light emitting diode, a pulsed electrical signal that includes signal current pulses. The system and method may also include enabling discontinuous discharging of a capacitor electrically coupled to the first node during a particular time period between two particular signal current pulses of the pulsed electrical signal.
Light emitting diode activation control
A system and method may include receiving, at a first node of a circuit electrically coupled to a light emitting diode, a pulsed electrical signal that includes signal current pulses. The system and method may also include enabling discharging of a capacitor electrically coupled to the first node at an enable time that is during a particular time period between two particular signal current pulses of the pulsed electrical signal.
Methods of operation of smart lighting systems
A method of operating a smart lighting system comprising a first mobile device, a lighting control device and first through nth (n being a positive integer) lighting devices, includes establishing, by the first mobile device, a first wireless connection with the lighting control device; performing, by the lighting control device, a first time synchronization with the first mobile device; providing, by the first mobile device, the lighting control device with a scheduling information representing operation of each of the first through nth lighting devices according to lapse of time; and controlling, by the lighting control device, operation of each of the first through nth lighting devices based on a current time and the scheduling information, wherein the current time is determined based on the time synchronization.
Apparatus, dimmable light emitting diode driver and control method
An apparatus can include: a linear drive circuit configured to control a drive current flowing through an LED load; a control circuit configured to acquire a conduction angle signal of a silicon-controlled rectifier dimmer and control the linear drive circuit; and the control circuit being configured to control the drive current to be decreased to reduce a current ripple and to maintain the silicon-controlled rectifier dimmer in a turn-on state when the conduction angle signal is less than a predetermined value.
Device fed via ballast for producing light
Devices (1) for producing light comprise inputs (11) for receiving feeding signals via ballasts (2) designed for fluorescent tubes to be replaced by non-fluorescent tubes, drivers (12) for driving light circuits (13), first receivers (14) for receiving definition signals defining features of the ballasts (2), and controllers (15) for, in response to receptions of the definition signals, adapting functions of the devices (1). The functions may comprise reporting functions, whereby apparatuses (3) are informed by the devices (1) about amounts of consumed power of the devices (1) and amounts of consumed power of the ballasts (2). Then, for example in dimming situations, overviews of total amounts of consumed power are realized. The functions may comprise driving functions whereby the light circuits (13) are driven in accordance with requirement data of the ballasts (2). Then, for example in dimming situations, first dimming levels may be forbidden and second dimming levels may be allowed.
Induction heating arrangement and induction hob
An induction heating arrangement (1000) including four coils of a smaller diameter (1100, . . . , 1400) and a coil having a larger diameter (1500) is provided. The coils are arranged on a first plane (2100) and on a second plane (2200). In order to adapt a cooking area (1600) to the size of a pot, either the larger coil (1500) or one or more of the smaller coils (1100, 1400) are operated. A power supply circuitry (2400) is shared between the coils of the two planes. A selector (2300) disconnects a respective coil of the plane of coils that is not operated in order to avoid coupling, interference and loss of energy. Guiding elements of the magnetic flux (1110, 1115, 1540) confine the magnetic field in the area of the pot. A method of operating the induction heating arrangement is also provided.
The resistance method is a process for conditioning of an electric current and subjecting it to manipulated resistance levels to cause an effect on a substance as the current passes through. The method has two basic functions. One is to condition the electric current. This takes place during the series of steps that manipulate the frequency, voltage, and amps to provide a combination suitable for a predetermined threshold or action. The other is to manipulate the resistance of a substance. This is done by manipulating the atmospheric pressure, pH, salinity, and temperature of the substance, all of which takes place in a reactor. The reactor provides an isolated, enclosed environment for the manipulation to take place. The method also utilizes an electronic control system. The electronic control system simultaneously measures and manipulates the variables of the process, thereby creating an environment within the reactor that either increases or decreases the amount of resistance to which the electric current is subjected.
Channel access method and apparatus
A channel access process method in a wireless local area network is provided. The method includes: generating, by a station, a backoff counter value; then performing, by the station, a backoff operation after receiving a first trigger frame, where the backoff operation includes: deducting, from the backoff counter value, a quantity N of subchannels for random access, to obtain a new backoff counter value; and when the new backoff counter value is 0 or a negative number, randomly selecting, by the station, one subchannel from the subchannels for random access, and then accessing the subchannel to send an uplink frame. The present application further provides a corresponding channel access apparatus. Applying the method and the apparatus of the embodiments of the present application improves system access efficiency and avoids a waste of system resources.
Control method for supporting multiple connections in mobile communication system and apparatus for supporting multiple connections
Disclosed are a control method for supporting multiple connections in a mobile communication system and an apparatus for supporting multiple connections. In the method for supporting the multiple connections to be performed in first and second base stations, a first base station receives the measured results for multiple connections from a terminal, determines whether the plurality of connections are set on the basis of the measured results, transmits the information for setting the multiple connections to the second base station when setting the multiple results, and the second base station generates the control information for setting the multiple connections of the terminal on the basis of the information for setting the multiple connections received from the first base station. Thus, the multiple connections can be easily supported and the performance of the mobile communication system can be improved therethrough.
Enterprise access control and accounting allocation for access networks
Enterprise and consumer billing allocation for wireless communication device service usage activities is provided. In some embodiments, enterprise and consumer billing allocation for wireless communication device service usage activities includes monitoring a service usage activity of a wireless communication device, and determining an enterprise and consumer billing allocation for the monitored service usage activity. In some embodiments, enterprise and consumer billing allocation for wireless communication device service usage activities includes monitoring a service usage activity of a wireless communication device, and reporting the monitored service usage activity to a network element, in which the network element determines an enterprise and consumer billing allocation for the monitored service usage activity. In some embodiments, enterprise and consumer billing allocation for wireless communication device service usage activities includes providing a service design center for configuring an enterprise and consumer billing allocation of monitored service usage activities for a plurality of wireless communication devices associated with an enterprise account, and implementing the configured enterprise and consumer billing allocation for monitored service usage activities for the plurality of wireless communication devices associated with the enterprise account.
Method and apparatus for configuring cell in wireless communication system
A method and apparatus for configuring a cell in a wireless communication system is provided. A user equipment (UE) receives a radio resource control (RRC) message which includes a configuration for a secondary cell (SCell) and an indication of an initial state of the SCell. The initial state of the SCell is set to either one of an activated state and deactivated state. The UE configures the SCell based on the configuration and the initial state of the SCell.
Long-term evolution assisted new radio initial access and mobility for 5G or other next generation networks
Long-term evolution assisted new radio initial access and mobility for 5G or other next generation networks are provided herein. A method can include transmitting, by a first network device of a wireless network and comprising a processor, a first timing synchronization signal and first acquisition information of the first network device to a mobile device. In response to the transmitting and based on a transmission received from the mobile device, a connection between the mobile device and a radio resource control of the wireless network can be facilitated. In addition, in response to the mobile device determining the location of the second timing synchronization signal based on the data indicative of the location of the second timing synchronization signal, the second network device can transmit, to the mobile device, the second timing synchronization signal and second acquisition information of the second network device.
Method, device and system for interacting link information
A method, device and system for interacting link information, which are used for solving the problem that at present there is no solution for a network side to learn the link information about a terminal supporting D2D communications and how to distinguish D2D link information from D2N link information. A link information reporting method in the embodiments of the present invention comprises: a terminal supporting D2D communications determining link information which is required to be reported to a network side, wherein the link information comprises D2D link information and/or D2N link information; and the terminal sending the determined link information to the network side on a D2N link, and indicating a link corresponding to the link information to the network side. Using the method in the embodiments of the present invention enables the network side to learn the link information about the terminal supporting the D2D communications and to distinguish whether the received link information is for the D2D link or the D2N link, so that the network side can more accurately manage and schedule the D2D link and the D2N link.
Classification of non-standard user equipment in wireless communication network
A wireless communication device determines its class, and identifies a logical channel identifier (LCID) value that is associated with the determined class within a radio access node. The device then generates a radio resource control (RRC) message including the identified LCID value, and transmits the generated RRC message to the radio access node. Upon receiving the LCID value, the radio access node determines whether the received LCID value is associated with a non-standard class of wireless communication device, and in response to determining that the received LCID value is associated with the non-standard class of wireless communication device, identifying the wireless communication device as belonging to the non-standard class of wireless communication device, and transmitting information to the wireless communication device based on the non-standard class identification.
Contention based random access
Contention-based random access operations are enhanced by enabling wireless devices to transmit a plurality of orthogonal preambles simultaneously to an access node, thereby increasing the probability of at least one preamble being heard by the access node, and minimizing the risk of preamble collision with another wireless device. Different classes of devices may be configured to transmit different numbers of preambles, depending on a priority level for that class, for purposes such as emergency communications, real-time applications, etc. Parameters including relationships between specific priority levels, device classes, application classes, quality of service, and number of preambles permitted, may be broadcast or otherwise communicated to wireless devices by the wireless network.
Data transmission method and electronic device, and device having base station function
A data transmission method, an electronic device and a device having a base station function, wherein, a channel sensing sub-frame is arranged in a frame structure used only for downlink transmission frequency division duplexing; within any period, downlink data is sent via a downlink sub-frame in the frame structure when the channel sensing sub-frame senses that the downlink channel is in an idle state, or otherwise downlink data is not sent. Therefore, on the premise that normal operation of the LTE system by means of the supplemental downlink mode in the unlicensed frequency band can be ensured, the LTE system is prevented from generating significant interference with regard to other systems when operating in the unlicensed frequency band.
Partial port hybrid CSI feedback for MIMO wireless communication systems
The method comprises receiving periodic CSI feedback configuration information including a periodicity value and an offset value corresponding to a first CSI report, and at least one periodicity value and at least one offset value corresponding to a second CSI report, measuring a first CSI reference signal (CSI-RS) and a second CSI-RS configured for a periodic CSI reporting based on at least two different enhanced MIMO types (eMIMO-Types), generating the first CSI report and the second CSI report for the first eMIMO-Type and the second eMIMO-Type, respectively, determining a periodic reporting interval for each of the first CSI report and the second CSI report, and reporting the first and second CSI reports based on the determined periodic reporting intervals using a physical uplink control channel (PUCCH) format 2 or a PUCCH format 3 or a combination of the PUCCH format 2 and the PUCCH format 3.
Service provider identity indication method and device, user equipment and access device
The present disclosure provides an SP-ID indication method, an SP-ID indication device, a UE and an access device. The SP-ID indication method includes: transmitting, by a UE, an access request message to an access device through a PRACH, the access request message being at least used to indicate the quantity of PSP-IDs to be transmitted by the UE; and receiving, by the UE, resource information about uplink resources from the access device, the uplink resources being selected by the access device in accordance with the quantity of the PSP-IDs to be transmitted by the UE and used to transmit the PSP-IDs to be transmitted by the UE.
Methods and devices for multi-connection transmission
A method in a terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs). The method comprises determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; and blanking a portion of the first TTI, such that the rest of the first TTI does not overlap the second TTI.
Resource selection method for V2X operation of terminal in wireless communication system, and terminal using method
Provided are a resource selection method for a vehicle-to-everything (V2X) operation of a terminal in a wireless communication system, and a terminal using the method. The method comprises: monitoring physical sidelink control channels (PSCCHs) for other terminals in a first subframe; and transmitting, in a second subframe, a V2X message by using a resource which is not overlapped with a resource scheduled by the PSCCH for another terminal.
Discovery signal block mapping
Systems, methods, apparatuses, and computer program products for signal block mapping are provided. One method includes configuring, by a network node (e.g., base station or eNB), a group of discovery signaling blocks. The method may then include mapping the discovery signaling blocks of the group onto a subframe structure, including the group information into each of the discovery signaling blocks, and transmitting the discovery signaling blocks in the subframe structure.
Apparatus and method of cooperating with multiple base stations in wireless communication system
A method and an apparatus of cooperating with a plurality of base stations in a wireless communication system. A cloud cell is configured with a plurality of base stations that cooperate with each other for a mobile station and synchronizes user contexts for serving the mobile station among the plurality of base stations included in the cloud cell, and the plurality of base stations cooperate with each other to provide a communication service to the mobile station. The present disclosure reduces generation of a handover when the mobile station moves between base stations, and increases the data yield of the mobile station by transmitting and receiving data in cooperation with base stations in a cloud cell at a shaded area or a cell border.
Control information transmission method and apparatus for use in mobile communication system
A method of control information transmission for a terminal in a mobile communication system, and an apparatus therefor are provided. In the method of control information transmission, the terminal acquires unlicensed frequency channel occupancy information based on the control information received from a base station and transmits the unlicensed frequency channel occupancy information to other terminals operating on the same unlicensed frequency. The method of control information transmission includes receiving a first control information from a base station using a first radio communication protocol, acquiring channel occupancy information based on the first control information, and transmitting a second control information including the channel occupancy information to another terminal using a second radio communication protocol.
EPDCCH search space design
Techniques for supporting both localized and frequency-distributed control channel messages in the same enhanced control channel region are disclosed. An example method begins with receiving (2010) a downlink signal comprising an enhanced control region consisting of at least two sets of physical resource block (PRB) pairs. The method continues with the forming (2020) of one or more distributed enhanced control-channel elements (eCCEs) from a first set of PRB pairs by aggregating physical layer building blocks from multiple PRB pairs to form each distributed eCCE. One or more localized eCCEs are formed (2030) from a second set of PRB pairs by aggregating physical layer building blocks such that each of the localized eCCEs is formed from physical layer building blocks from within a single PRB pair of the second set. Control channel message candidates are formed (2050) from the distributed eCCEs and localized eCCEs, respectively, and decoded (2060).
Base station apparatus and terminal device
In an LTE-A system, there is a problem that it is difficult to perform stable communication in a case where there is a time when another system occupies an unlicensed band being used. There is provided a base station apparatus that communicates with a terminal device in a second frequency band different from a first frequency band capable of being used as a dedicated frequency band. The base station apparatus includes: a wireless transmission unit that transmits data or control information to the terminal device; and a wireless reception unit that receives data or control information transmitted from the terminal device. The wireless transmission unit transmits data to the terminal device, and the wireless reception unit performs a process of receiving ACK/NACK transmitted from the terminal device in a subframe of an initial uplink after communication of another system is ended in a case where the other system performs the communication in the second frequency band at a reception timing of the ACK/NACK of the data transmission.
Resource conflict reducing method and UE
A resource conflict reducing method, including determining, by a first user equipment (UE), N available resources from S resources detected at the UE, where S is a quantity of resources that are indicated by resource configuration information obtained by the first UE, and where S is an integer greater than or equal to 1, determining, by the first UE, M resources according to the N available resources, and sending, by the first UE, data to at least one second UE by using the M resources, where N is an integer greater than or equal to 0 and less than or equal to S, and wherein M is an integer greater than or equal to 0 and less than or equal to N.
Methods and apparatuses for processing scheduling of aperiodic information transmission
Embodiments of the present invention disclose triggering methods and apparatuses of aperiodic channel state information CSI and an aperiodic sounding reference signal SRS for a carrier aggregation system. The method comprises: (1) pre-assigning a corresponding relationship between bits of the CSI request field in an uplink grant and multiple downlink component carriers DL CCs of user equipment, wherein the number of bits of the CSI request field is greater than 1 and less than the maximum allowed number of DL CCs in the system; (2) determining the DL CC for which aperiodic CSI reporting is to be triggered; and (3) mapping the CSI request field in the uplink grant according to the pre-assigned corresponding relationship to mark the value of the bit corresponding to the determined DL CC as “trigger”.
Paging for massive MTC
Systems and methods relating to scheduling Paging Occasions (POs) are disclosed. Embodiments of a method of operation of a network node are disclosed. In some embodiments, the method of operation of a network nodes comprises assigning POs to a plurality of User Equipments (UEs) in accordance with one or more anti-affinity groups such that, for a defined time interval, POs within the defined time interval are assigned to UEs in a same anti-affinity group. The method further comprises notifying the plurality of UEs of the POs assigned to the UEs. In this manner, the expected maximum number of pages within the defined time interval is substantially reduced.
Apparatus and method for positioning terminal 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 method for operating of a terminal in a wireless communication system according to an exemplary embodiment includes: receiving signals from other terminals; selecting another terminal which has proximity to the terminal from among the other terminals based on reception powers of the signals and information related to the signals; and determining a location of the terminal based on location information of the other terminals.
Terminal device, electronic device and control method for determining the position of searching object device
A controlling method of an electronic device is provided. The method includes receiving a search request for a searching object device from a terminal device, broadcasting a pre-defined search signal in response to the search request, in response to a response signal being received from an external device in response to the pre-defined search signal, analyzing a pattern of the received response signal and determining whether the external device is the searching object device, and in response to the external device being determined as the searching object device, transmitting intensity information of the received response signal to the terminal device to determine a position of the external device which is determined as the searching object device.
System for location finding
A system for location finding of devices and personnel for in-building applications is described. A group of sensors are distributed throughout a region or building of interest where each sensor contains an RF transceiver and an antenna system, with the antenna system capable of generating multiple radiation patterns or modes. The assets to be tracked by the sensors can have RF transceivers associated with each asset, and these transceivers can have antenna systems capable of generating multiple radiation patterns or modes. A system controller containing a processor is integrated into the system and is used to control the sensors and assets.
Static delay compensation in a telecommunications system
Certain features relate to compensating for a roundtrip delay caused by a distributed antenna system. A delay unit communicatively coupled to a base station can intercept the delay compensation signaling communicated between the digital baseband unit of the base station and the radio transmitter unit of the base station. The delay unit can adjust the delay compensation signaling by adding to the delay compensation signaling the pre-determined fiber delay caused by the DAS. In some aspects, the delay unit can delay the control words for a base station operating under the Common Public Radio Interface standard. In other aspects, the delay unit can delay the round-trip time measurement message for a base station operating under the Open Base Station Architecture Initiative standard.
Uplink transmissions for dual connectivity
Methods and apparatus are provided for a User Equipment (UE) configured by a Master enhanced NodeB (MeNB) for operation with dual connectivity to a Secondary eNB (SeNB) to determine a power for transmission to the MeNB and a power for transmission to the SeNB in a subframe when a total power the UE determines according to power control processes for transmission to the MeNB and for transmission to the SeNB exceeds a maximum transmission power in the subframe. Methods and apparatus are also provided for the MeNB to select one or more antenna ports the UE uses to transmit to the MeNB and inform the selected antenna ports to the UE.
Systems and methods for providing communications within wireless sensor networks based on a periodic beacon signal
In one embodiment, a system includes a hub having one or more processing units and RF circuitry for transmitting and receiving communications in a wireless network architecture. The system includes a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional communications with the hub in the wireless network architecture. The one or more processing units of the hub are configured to execute instructions to determine a first scheduled timing of causing the transmitter to be operable to transmit and causing the receiver to be operable to receive for each wireless device based on a periodic beacon signal of the hub.
Heartbeat adjustment method, apparatus, and terminal
Embodiments of the present invention disclose a heartbeat adjustment method, an apparatus, and a terminal. The method includes: acquiring a network holding time period of an application program; acquiring an initial heartbeat of the application program, and acquiring a to-be-adjusted heartbeat of the application program according to the network holding time period and the initial heartbeat; and acquiring at least one preset unified heartbeat, and adjusting the to-be-adjusted heartbeat according to the at least one preset unified heartbeat to obtain an adjusted heartbeat, where the adjusted heartbeat coincides with a unified heartbeat in the at least one unified heartbeat. The embodiments of the present invention can flexibly adjust a heartbeat of an application program according to a service requirement of the application program, to improve user experience and reduce power consumption.
Energy efficient operation of radio network nodes and wireless communication devices in NB-IoT
A radio network node may operate in a normal or restricted operating state. In the restricted operating state, the radio network node may have just enough activity to enable UEs to detect the cell. The radio access node may transition to the normal operating state in response to messaging from a wireless communication device, such as reception of a random access preamble.
Communication method, user terminal and processor
In a communication method, a user equipment receives system information broadcast from a current serving cell of the user equipment and indicating frequencies different from a frequency of the current serving cell, the user equipment receives a paging signal from the current serving cell that is different from the system information and includes a request message requesting the user equipment to perform frequency redistribution in which the user equipment selects a target frequency, and performs the frequency redistribution in response to receiving the paging signal including the request message. Performing the frequency redistribution comprises the user equipment measuring quality of the frequencies included in the system information received from the current serving cell in response to receiving the paging signal including the request message, and selecting the target frequency based on a result of the measuring. The user equipment reselects a serving cell on the selected target frequency.
Method and system for performing handover (HO) in a long-range land-to-sea (LRLS) wireless network
The present disclosure relates to a method and system for performing Handover (HO) in a Long-Range Land-To-Sea (LRLS) wireless network. The Customer-Premises Equipment (CPE) comprises an Antenna Array (AA). The HO management system scans one or more inactive AAs of CPE based on configuration parameters. Further, one of Signal to Noise Ratio (SNR) and Modulation and Coding Scheme (MCS) throughput values are retrieved on uplink and downlink. Thereafter, one of SNR and MCS throughput values on uplink and downlink are processed for determining a target AA. Further, system performs inter-network HO to Very Small Aperture Terminal (VSAT) network when cell edge is detected on target AA or inter-AA HO to target AA otherwise. Lastly, a network re-entry is initiated to target AA from the VSAT when network re-entry is detected on target AA based on processing one of the SNR or the MCS throughput values in uplink and downlink.
Connected mode pruning enhancements
Certain aspects of the present disclosure provide techniques for supporting a connected mode enhanced pruning procedure. A UE may select, while operating in connected mode with a first radio access technology (RAT), measurement candidates for a potential handover based on one or more criteria, maintain an active list including the selected measurement candidates, perform at least one measurement based, at least in part, on the active list, and take one or more actions based, at least in part, on the at least one measurement.
Redundancy version indication in fifth generation (5G) or other next generation communication systems
An adaptive downlink control channel structure is utilized for control channel transmission for 5G and other next generation wireless systems. Moreover, the adaptive downlink control channel structure can utilize a reduced length/size to decrease signaling overhead for each transport block. In an aspect, a first downlink control channel structure for a data transmission can be utilized to implicitly indicate redundancy version (RV) and a second downlink control channel structure for a subsequent data transmission can be utilized to explicitly indicate the RV. In another aspect, the RV can be indicative via an adaptive bit load. Further, in yet another aspect, the RV can be indicated based on a joint encoding of RV and new data indicator (NDI) information.
Dynamic communication channel switching in a wireless access point
A wireless access point (WAP) determines whether to switch from one or more first communication channels to one or more second communication channels when the one or more first communication channels are experiencing congestion. The WAP determines an amount of congestion the one or more first communication channels are experiencing. When the one or more first communication channels are experiencing congestion, the WAP determines whether one or more communication devices can support, or reliably support, a channel switching announcement signal using the one or more first communication channels. If a sufficient number of communication devices from among the one or more communication devices can support, or reliably support, the channel switching announcement signal, the WAP broadcasts the channel switching announcement signal to the one or more communication devices to announce its intention to switch from the one or more first communication channels to the one or more second communication channels.
System and method for seamless TCP connection handoff
A system for optimizing network traffic is described. The system includes a primary appliance having a first handoff engine in an active state. The primary appliance is configured to receive from a first switch one of first data or a copy of first data to be provided to a second switch. The system also includes a secondary appliance having a second handoff engine in a passive state, where the secondary appliance is configured to receive from the first switch the other of the first data or the copy of the first data. The second handoff engine is configured to monitor state data provided by the first handoff engine, determine a condition of the first handoff engine using the state data and the other of the first data or the copy of first data, and based on the determination, provide instructions for the secondary appliance to provide the other of the first data or the copy of the first data to the second switch.
Method for managing a neighbor table and communication apparatus adapted for managing a neighbor table
The present invention is a method of managing a neighbor table in a communication apparatus. The method includes the steps of the communication apparatus maintaining a neighbor table comprising a plurality of neighboring table entries corresponding to respective neighboring nodes being communication nodes in communication range of the communication apparatus. Upon determination that the neighbor table capacity has reached a threshold, replacing a first neighbor table entry corresponding to a first neighboring node from the neighbor table by a new neighbor table entry corresponding to a new neighboring node based on the determination that the new neighboring node is a communication partner. A communication node is defined as a communication partner if at least one the following conditions is met: a message including the communication partner as source address has been received by the communication apparatus, or a message including the communication partner as destination address has been transmitted by the communication apparatus.
Optimizing mobile network bandwidth
A gateway turns encrypted PS data traffic on the Iub interface into clear IP packets so that WAN stream de-duplication and other optimization can be performed to eliminate the transfer of repetitive data across the Iub interface, thereby increasing the throughput between the NodeB and the RNC of the WCDMA network. The gateway pulls PS data traffic out from Iub without disturbing the signaling and CS traffic. The bifurcated PS data traffic is redirected to the GTP I/O port of the gateway where the stream de-duplication is applied. Deployment of the gateway is transparent to the WCDMA network. No network reconfiguration is required to deploy the gateway on the Iub interface.
Multi-hop wireless network planning
In one embodiment, a method includes accessing a point cloud comprising several points, wherein each point corresponds to a location on a surface of an object located in three-dimensional space; determining whether each point in the point cloud is part of a linear structure, a planar structure, or a volumetric structure; identifying a plurality of point clusters, wherein each point cluster comprises one or more points that are located within a grid segment on a two-dimensional grid derived from the three-dimensional space; determining, for each point cluster, whether the point cluster represents a vertical-linear structure or a portion of a vertical-linear structure; identifying one or more point-cluster pairs, wherein each point-cluster pair includes two point clusters corresponding to one or more vertical-linear structures within a threshold distance in the three-dimensional space; and determining, for each point-cluster pair, whether a line-of-sight exists between each point-cluster in the point-cluster pair.
Methods and apparatus for dynamic control and utilization of quasi-licensed wireless spectrum
Methods and apparatus for providing quasi-licensed spectrum access within an area or venue. In one embodiment, the quasi-licensed spectrum utilizes 3.5 GHz CBRS (Citizens Broadband Radio Service) spectrum allocated by a Federal or commercial SAS (Spectrum Access System) to a managed content delivery network that includes one or more wireless access nodes (e.g., CBSDs and APs) in data communication with a controller. In one variant, the controller dynamically allocates (i) spectrum within the area or venue within CBRS bands, and (ii) MSO users or subscribers to CBRS bands or WLAN (e.g., public ISM) bands in to manage interference between the coexisting networks, and maximize user experience. In another variant, the controller cooperates with a provisioning server to implement a client device application program or “app” on MSO user or subscriber client devices which enables inter-RAT access.
Electronic apparatus, method for authenticating the same, and recording medium
A sleep detector is configured to detect sleep. At least one processor is configured to perform a first user authentication when the sleep detector does not detect the sleep, and perform a second user authentication when the sleep detector detects the sleep, the second user authentication being different from the first user authentication.
Anti-takeover systems and methods for network attached peripherals
Methods, systems, and devices are described for the prevention of network peripheral takeover activity. In some embodiments, peripheral devices may implement an anti-takeover mechanism encrypting messages and transmitting unencrypted decryption keys for a limited period of time. Anti-takeover peripheral devices may transition from a plain operational mode, to a decryption key transmission mode, to a secure mode based on pre-defined triggering events, commands, or timers. Random decryption key values may be generated by peripheral devices and transmitted to listening devices for later storage and retrieval by the listening device. Decryption keys may be stored in remote data stores for later retrieval by anti-takeover aware controller devices.
Method for reporting capability information and dual mode user equipment adapted thereto
A system and a method that reports capability information regarding a dual mode User Equipment (UE) are provided. The UE supports Frequency Division Duplex (FDD) and Time Division Duplex (TDD). The UE capability transmitting method includes receiving a message requesting UE capability information from an evolved Node B (eNB), generating first capability information and second capability information according to the UE capability information requesting message, and transmitting UE capability information including the first and second capability information to the eNB. The first capability information comprises FDD capability information applicable to an FDD mode or TDD capability information applicable to a TDD mode. The second capability information comprises capability information applicable to both the FDD mode and the TDD mode. The system and method can allow a dual mode UE to efficiently report its capability information.
System, method and apparatus for node selection of a sensor network
A system, method and apparatus for node selection of a sensor network. Multiple sensor networks can operate in or around a monitored location. Nodes can be organized amongst the multiple sensor networks using remote configuration updates that are provided by a host system to a sensor network node.
Mobile terminal and method for near field communication
Disclosed herein is a mobile phone with the Near Field Communication (NFC) technology and method of operating the mobile phone. The mobile phone includes a display; a baseband chip; a near field communication (NFC) module comprising an RF antenna, an NFC tag circuit and an NFC main chip; and the RF antenna configured to receive incoming RF signals.
Method and apparatus for performing D2D operation in wireless communication system
A method and apparatus for performing a device-to-device (D2D) operation in a wireless communication system is provided. In one embodiment, a user equipment (UE) receives a configuration of a reference timing for a cell of first carrier, based on a timing of a primary cell (PCell) of a second carrier, and performs D2D operation with another UE on the cell of the first carrier according to the reference timing. In another embodiment, a UE allocates a D2D transmission power based on an uplink (UL) transmission power for dual connectivity, and performs D2D operation with another UE according to the D2D transmission power.
Network detection for content synchronization and reporting
The present invention utilizes an application which is loaded onto the mobile devices of attendees who will be attending festivals, concerts, etc, where the large crowds attending the event will create wireless and mobile network congestion. The application will be preloaded with a plurality of presentations which the presenter will utilize during the event to enhance the experience for the attendee. Each presentation will have a triggering mechanism encoded in the app which will initiate the presentation to begin and will synchronize the presentation on the phone with event. In addition to displaying preloaded presentations to the attendees at crowded events, the application can also track the activities of the attendees at the event to see what portions of the events they attended and when, and display real time text messages on the screen of the phone.
Keeping radio resource control activity after SMS wakeup
A vehicle includes a gateway and a telematics controller. The controller is programmed to generate a signal to transition the gateway from sleep to powered state responsive to receipt of a wakeup message over a network; initialize a gateway cloud connector and a timer to periodically send ping messages to keep radio resource control alive; and responsive to inactivity over the network for a predefined period, discontinue the timer and transition the gateway from powered to sleep state.
Method for selecting resource to be used for performing V2X communication within range satisfying latency requirement in wireless communication system, and terminal using same
The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: selecting a resource to be used for performing a V2X communication within a range satisfying a latency requirement; and performing a V2X communication on the basis of the selected resource.
Band usage information generating and reporting method, charging method, eNodeB, and MME
The present disclosure provides a band usage information generating and reporting method, a charging method, an eNB, a ON, a MME and a UE. The eNB and the UE can generate band usage information for charging, and report the band usage information to the CN, wherein the band usage information involves band usage of at least a first band and a second band, and traffic is assigned to respective bands by the eNB. The Counting entity at the eNB or UE can count the data volume of each band or ratio of data volume via different bands as the band usage information based on the scheduling information of the data. The Charging system located in the CN can process the charging and generate a bill according to the reported band usage information.
Determining device quality score
The present invention is a method and system for scoring the reliability of a predictive determination regarding the assigning of a geographic location, such as a work or home location, to the owner or user of a mobile device. Mobile devices such as smart phones, tablets, internet computers, and other hand-held mobile devices may be preferentially targeted for ads based upon the geographic location of the owner or user of the mobile device. The home or work location is determined based upon startup events associated with the mobile device as tracked by startup activations of the mobile device, beacon activations, tile activations, or any other Bluetooth or near field communication device activation, during either day time or night time hours. Reliability scoring of the determination is affected through extraction and normalization of discrete features of a device.
Identifying purpose and context of a line of people
A method, system, and computer program product is disclosed for identifying the purpose and context of a line of people using mobile devices. A message is generated for transmitting to one or more mobile devices, and the message identifies a purpose of a line of people. The message is transmittable using a beacon at a starting point of the line. The message includes the purpose of the line to a first mobile device of a first person in the line. The message transmitted by the beacon is receivable by at least the first mobile device. In sequence, the message is transmitted, to each of a plurality of mobile devices belonging to people in the line, from the first mobile device to a next mobile device of the plurality of mobile devices, thereby relaying the message including the purpose of the line to multiple mobile devices, respectively.
Missed telephone call management for a portable multifunction device
In one aspect of the invention, a computer-implemented method is disclosed for use in conjunction with a portable electronic device with a touch screen display. A list of items comprising missed telephone calls is displayed. Upon detecting user selection of an item in the list, contact information is displayed for a respective caller corresponding to the user selected item. The displayed contact information includes a plurality of contact objects that include a first contact object, comprising a telephone number object having a first telephone number associated with the missed telephone call, and a second contact object. Upon detecting user selection of the second contact object, a communication with the respective caller is initiated via a modality corresponding to the second contact object.
Tracking a wireless device using a seamless handoff between a vehicle and a mobile device
Method and apparatus are disclosed for tracking a wireless device using a seamless handoff between a vehicle and a mobile device. An example vehicle includes internal and external antennas, a sensor, and an infotainment head unit with a display. The infotainment head unit tracks, using the external antenna, a wireless-enabled object exterior to the vehicle. The infotainment head unit also determines a location of the mobile device associated with the vehicle based on the sensor and the internal and external antennas. Additionally, when the mobile device exits the vehicle, the infotainment head unit automatically transitions tracking information to the mobile device.
Electronic identification, location tracking, communication and notification system with beacon clustering
A system and method for identifying a customer's location at a business and provide notification to a company representative upon arrival of the customer at the business location. Real-time location determinations for the customer and customer location tracking can be provided. One or more wireless beacons communicate with the customer's electronic device. The beacons provide the system with real-time data about the customer's whereabouts, allowing for the confirmation and tracking of the customer at the location. A first non-limiting example of use, include a company that provides food and beverage allowing the customer to place an order for food and beverages on their electronic device and having the order delivered to the person at their current location as determined by the system. Another non-limiting example includes a company using the notification system to have assigned staff members notified of the customer's arrival.
Electronic apparatus, control method, and non-transitory computer-readable recording medium
An electronic apparatus comprises an accelerometer, an air-pressure sensor, a communication unit, and an at least one processor. The at least one processor performs determination processing of determining whether probability that the user will move on a road at the intersection after the user approaches the intersection is high based on change in the air-pressure value if the at least one processor detects approach of the user to the intersection when the user is moving in a predetermined movement manner. The at least one processor sends a notification that the user will move on the intersection to a roadside unit if the probability that the user will move on a road at the intersection is high. The at least one processor does not send a notification that the user will move on the intersection to a roadside unit if the probability is not high.
Intelligent location-based puzzle
Disclosed herein are systems and methods for dynamic generation of an intelligent and location-based puzzle. The method comprises locating a mobile device within a proximity zone associated with an establishment and generating a user dataset comprising a counter representing how many times the user has been identified within the proximity zone. The method further comprises querying, receiving, and displaying a first media element associated with a puzzle. Upon locating the mobile device within the proximity zone for the second time, the method comprises adjusting the counter value and querying, receiving, and displaying a second media element associated with the puzzle.
Mobile localized communication for on-the-go users
Mobile localization of communications allows users to communicate anonymously with other users who share a location that is mobile. The systems and methods provided herein distinguish users who are co-mobile from users who are merely co-located to enable mobile conversations to travel with co-mobile users without a dedicated communications connection being established beforehand between the users. The conversations travel with the co-mobile users and are not tied to a physical location, allowing for localized and anonymous communications for user who are travelling together.
Tracking device operation in safety-classified zone
Tracking devices can be associated with safe zones, smart zones, and high risk zones. Safe zones correspond to regions where a likelihood that a tracking device is lost within the safe zone is lower than outside the safe zone. High risk zones correspond to regions where a likelihood that a tracking device is lost within the high risk zone is higher than outside the high risk zone. Smart zones correspond to an expected tracking device, mobile device, or user behavior. Home areas are geographic regions in which a user resides, and travel areas are geographic regions in which a user does not reside. A tracking device can be configured to operate in a mode selected based on a presence of the tracking device within a safe zone, a smart zone, a high risk zone, a home area, or a travel area.
Tracking device location identification
A last known location of a tracking device can be determined by using location information received at a tracking system. A disconnection event is received at the tracking system indicating that a tracking device has disconnected from a mobile device. In response, the tracking system can generate a last known location for the tracking device. Other relevant location updates, such as recent locations of the mobile device or locations of other mobile devices that connect to the tracking device are collected and associated with the disconnection event. Based on the location updates, a last known location of the tracking device can be computed and stored.
Vehicle audio system with reverberant content presentation
Various implementations include vehicle audio systems and related control methods. In some particular implementations, an audio system is configured to present audio content to a vehicle occupant to modify the perceived size of the vehicle cabin relative to its actual physical size.
Electronic device charging via an audio jack
An electronic device may comprise audio processing circuitry and a first connector having a first contact and a second contact. In a first mode of operation, the audio processing circuitry is configured to output one or more audio signals carrying music and/or voice via the first contact and the second contact. In a second mode of operation, the audio processing circuitry is configured to output a signal for delivering supply current via the first contact and the second contact. While the electronic device is in the first mode of operation, a gain and/or volume limit of the audio processing circuitry may be set to a first level, and while the electronic device is in the second mode of operation, the gain and/or volume limit of the audio processing circuitry may be set to a second level that is higher than the first level.
Location based services audio system
An audio system comprising a plurality of speaker devices allows seamless transitioning of playing audio between speakers in different locations. A mobile device may be used to determine a location for which the associated speakers should be used for playback. The speaker devices at the different locations may be synchronized to a common clock in order to allow the audio playback to be transitioned seamlessly from one location to another.
Hearing device and method with intelligent steering
A method of operating a hearing device and a hearing device are disclosed. The method comprises obtaining a first microphone signal and a second microphone signal. The method comprises obtaining a first beamform signal based on the first microphone signal and the second microphone signal. The method may comprise obtaining a second beamform signal based on the first microphone signal and the second microphone signal. The method comprises determining a first parameter based on the first beamform signal. The method may comprise combining the first beamform signal and the second beamform signal based on the first parameter for provision of an output beamform signal. The method comprises providing the output beamform signal for further processing including hearing loss compensation.
Technique for directing audio in augmented reality system
A hearing aid comprises a sensor configured for detecting a focus of an end user on a real sound source, a microphone assembly configured for converting sounds into electrical signals, a speaker configured for converting the electrical signals into sounds, and a control subsystem configured for modifying the direction and/or distance of a greatest sensitivity of the microphone assembly based on detected focus. A virtual image generation system comprises memory storing a three-dimensional scene, a sensor configured for detecting a focus of the end user on a sound source, a speaker configured for conveying sounds to the end user, and a control subsystem configured for causing the speaker to preferentially convey a sound originating from the sound source in response to detection of the focus, and for rendering image frames of the scene, and a display subsystem configured for sequentially displaying the image frames to the end user.
A piezoelectric transducer including a substrate, a piezoelectric layer and a stiffening structure is provided. The substrate has a chamber. The piezoelectric layer has a displacement zone, a plurality of sensing zones, a plurality of gaps, a plurality of top electrodes, and a plurality of bottom electrodes. The displacement zone is located over the chamber. The sensing zones are surroundingly connected to an outer edge of the displacement zone and are located over the chamber. The gaps are each formed between any adjacent two of the plurality of sensing zones, and each of the gaps communicates with the chamber. The top electrodes are each disposed on a top surface of each of the sensing zones. The bottom electrodes are each disposed on a bottom surface of each of the sensing zones. The stiffening structure is disposed on a bottom of the displacement zone.
An electroacoustic transducer includes an ultrasonic element that includes a diaphragm and a support frame, a case body that accommodates the ultrasonic element, and fixing portions that join the support frame portion to a bottom plate portion of the case body. First and second main surfaces of the diaphragm face top and bottom plate portions of the case body, respectively, and a sound hole is provided in the case body. The fixing portions are partially provided along the circumferential direction of the support frame such that a space between the second main surface and the bottom plate portion communicates with a space around the ultrasonic element, and an acoustic path connecting the first main surface and the second main surface and the sound hole is provided in the case body. The fixing portions are defined by a die bonding agent including spherical spacers.
Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting
A thermal model system for estimating a voice coil temperature of a loudspeaker that has frequency dependent parameters to model thermal behavior of the loudspeaker may include a loudspeaker having a voice coil and a magnet, and a thermal model configured to have multiple frequency dependent thermal circuits including the voice coil and the magnet that determine a voice coil temperature which is used to limit input to the loudspeaker to prevent thermal overload of the loudspeaker.
Dynamic receiver with resonance protector for earphone
A dynamic receiver for an earphone is provided. The dynamic receiver has a Helmholtz resonance space provided on a protector. The dynamic receiver includes: a frame; a magnetic circuit disposed in the frame; a vibration system disposed in the frame and configured to generate sound by a mutual electromagnetic force with the magnetic circuit; and a protector coupled to the frame and configured to protect components disposed in the frame. The protector includes a sound emitting hole passing through the protector and emitting sound generated in the frame to the outside, and a resonance space defined on a top surface of the protector.
An earphone case includes a shell, a rotating drum received in the shell, a driving assembly coupled to the rotating drum and configured for rotating the rotating drum, and a back cover latchable with the shell and receiving the driving assembly in a receiving space defined therein. The rotating drum is driven by the driving assembly to rotate to wind a wire of at least one pair of earphones.
Technology presented herein improves the comfort of over ear headphones by reducing over ear heat and therefore sweat via an active ventilation mechanism. Headphones include two or more one-way valves: one valve at the bottom of the cup allowing air to flow in, and another valve at the top of the earcup allowing air to flow out of the earcup. In the audible frequency range the valves have high acoustic impedance in both directions to prevent the sound from escaping from the earcup into the environment. In the inaudible frequency range the valves operate as an upward pump because the upward direction has low impedance and the downward direction has high impedance. The pumping action is further aided by the natural tendency of warm air to rise, and by the speaker creating positive and negative pressure within the earcup and therefore expelling or sucking in air, respectively.
Point-to-point fiber insertion
Novel tools and techniques are provided for implementing point-to-point fiber insertion within a passive optical network (“PON”) communications system. The PON communications system, associated with a first service provider or a first service, might include an F1 line(s) routed from a central office or DSLAM to a fiber distribution hub (“FDH”) located within a block or neighborhood of customer premises, via at least an apical conduit source slot, an F2 line(s) routed via various apical conduit components to a network access point (“NAP”) servicing customer premises, and an F3 line(s) distributed, at the NAP and from the F2 Line(s), to a network interface device or optical network terminal at each customer premises via various apical conduit components (e.g., in roadway surfaces). Point-to-point fiber insertion of another F1 line(s), associated with a second service provider or a second service, at either the NAP or the FDH (or outside these devices).
Acquiring and storing play progress for a multimedia file
Disclosed is an information processing method and an electronic device capable of playing a multimedia file. The method includes when detecting a first operation of adjusting a play time of a multimedia file from a first time to a second time different from the first time in the process of playing the multimedia file, acquiring and storing a play progress of the multimedia file corresponding to the first time; and when detecting a second operation of a user, retrieving the play progress of the multimedia file corresponding to the first time and playing the multimedia file from the play progress corresponding to the first time in response to the second operation. With the method and electronic device, a video can accurately return to a play progress corresponding to a previous play time after a fast forward or rewind is performed in the process of playing the video.
Behavior modeling based on content genre
Disclosed are systems and methods for behavioral modeling based on content genre and utilizing results for content recommendation and other network handling and storage of the content. Viewing events with respect to a content item are aggregated. An affinity is calculated based on the viewing events. Additional viewing events occurring during the delivery of the content item and associated with other content items are also selected. A sampling bonus is added to the affinity if these additional viewing events have a duration below a threshold and the other content items share a same genre as the content item.
Method for audio detection and corresponding device
A method, arrangement and device comprising the arrangement enabling to determine if audio data is present in a digital audio/video stream. If presence of audio data is determined and audio is muted and/or below a determined level, a visual indication is generated which indicates the presence of audio data in the digital audio/video stream.
Synchronizing internet (“over the top”) video streams for simultaneous feedback
Techniques are described for synchronizing internet (“over the top”) video streams for simultaneous playback. In particular, techniques are described to improve the performance and accuracy of stream synchronization among participant media player applications playing a same video content item, for example, as part of a “watch party.” The techniques can be further augmented to allow interaction between the users watching the presentation, e.g., by sending messages to other users or by annotating the video presentation with comments, and can be further used to enable “cross device control,” a feature that enables multiple users, or a single user with multiple devices, to control a shared video playback session on another device. For example, two users watching a streaming video on a set-top box connected to a TV in their living room could each use an app on their respective smart phones to pause/play/seek the playback session, providing a more collaborative experience.
Zone signal targeting and analytics
Systems and methods for targeting advertisements to particular zones within a content distribution region are disclosed. One or more zone signals may be generated and distributed by combining media content with a respective advertisement corresponding to each of the zones within the distribution region. In some example cases, the media content may be received from a broadcaster. The systems and methods may further include the capability to determine zone based and/or advertisement based viewing metrics for one or more of the zones within the content distribution region by polling client devices within the one or more zones.
Display apparatus and control method thereof
A display apparatus and a method. The display apparatus may include a display, an interface configured to be connected with an output terminal of a source device, a main processor configured to control an operation of the display apparatus and a sub-processor configured to identify whether the output terminal of the source device is connected with the interface. The main processor may identify whether the source device is turned on if the display apparatus is in a first state, and the sub-processor may identify whether the source device is turned on if the display apparatus is in a second state. The main processor may control the display to display a UI based on one or more of whether the interface is connected to the output terminal of the source device and whether the source device is turned on.
System and method for surveying broadcasting ratings
A system and method in which a TV signal reception device (e.g., set top box) receives a broadcast signal, sends the broadcast signal to a TV, and sends an event signal to a rating statistics information server or associated user terminal when a predetermined condition occurs, to ultimately cause an associated user terminal to generate fingerprint data of audio from the TV and to provide the fingerprint data to the server so as to facilitate channel identification and generation of ratings statistics.
Golomb-rice/eg coding technique for CABAC in HEVC
A system utilizing a high throughput coding mode for CABAC in HEVC is described. The system may include an electronic device configured to obtain a block of data to be encoded using an arithmetic based encoder; to generate a sequence of syntax elements using the obtained block; to compare an Absolute-3 value of the sequence or a parameter associated with the Absolute-3 value to a preset value; and to convert the Absolute-3 value to a codeword using a first code or a second code that is different than the first code, according to a result of the comparison.
Method and device for encoding and decoding a light field based image, and corresponding computer program product
A method for encoding a current focal stack is disclosed that comprises a set of images focused at a different focalization distance from one image to another. According to present disclosure, the method comprises: —encoding (31) information representing an image of the current focal stack, the image being selected in said current focal stack according to an image sharpness criterion, and reconstructing the image into a reconstructed image; —encoding (32) at least another image of the current focal stack by prediction from at least the reconstructed image.
Method for coding and an apparatus
The invention relates to a method for encoding, a method for decoding, an apparatus, computer program products, an encoder and a decoder for video information. The motion vector for a block in a video image is predicted from a set of motion vector prediction candidates determined based on previously-coded motion vectors. A motion vector prediction candidate is included in the set based on the location of the block associated with the first spatial motion vector prediction candidate and in comparison with motion vector prediction candidates already in the set.
Cross-layer cross-channel residual prediction
Systems, apparatus and methods are described including operations for video coding including cross-layer cross-channel residual prediction.
Efficient frame loss recovery and reconstruction in dyadic hierarchy based coding
A method for efficient frame loss recovery and reconstruction (EFLRR) in a dyadic hierarchy is described herein. The method includes obtaining a current frame of a group of pictures. The method also includes calculating a Dyadic Hierarchy Picture Index difference based on a layer information in response to a prior frame missing in the group of pictures. Finally, the method includes decoding the current frame in response to a determined frame continuity based on the Dyadic Hierarchy Picture Index difference.
Power aware video decoding and streaming
Methods and systems are disclosed for a mobile device to decode video based on available power and/or energy. For example, the mobile device may receive a media description file (MDF) from for a video stream from a video server. The MDF may include complexity information associated with a plurality of video segments. The complexity information may be related to the amount of processing power to be utilized for decoding the segment at the mobile device. The mobile device may determine at least one power metric for the mobile device. The mobile device may determine a first complexity level to be requested for a first video segment based on the complexity information from the MDF and the power metric. The mobile device may dynamically alter the decoding process to save energy based on the detected power/energy level.
Method and device for sharing a candidate list
The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
Video coding using adaptive motion vector resolution
In one example, a device for coding video data includes a video coder configured to configured to code information representative of whether an absolute value of an x-component of a motion vector difference value for a current block of video data is greater than zero, code information representative of whether an absolute value of a y-component of the motion vector difference value is greater than zero, when the absolute value of the x-component is greater than zero, code information representative of the absolute value of the x-component, when the absolute value of the y-component is greater than zero, code information representative of the absolute value of the y-component, when the absolute value of the x-component is greater than zero, code a sign of the x-component, and when the absolute value of the y-component is greater than zero, code a sign of the y-component.
Chroma quantization parameter extension
The quantization parameters (QP) for Chroma are extended up to and more preferably to the same range as Luma QP (e.g., 0 to 51). Previous, values of Chroma QP only extended up to 39. Techniques are provided for determining extended Chroma QP values (e.g., for Cr and Cb) based on the Luma QP and picture level chroma offsets. In one preferred embodiment, slice level offsets are added making the method particularly well-suited for slice level parallel processing. The extension of Chroma QP enhances functionality, flexibility and friendliness of the High Efficiency Video Coding (HEVC) standard for various applications.
Image encoding device and image encoding method
To reduce the occurrence of an excessive encoding amount or an insufficient encoding amount and reduce the fluctuation range of the bit rate even when there is a change in the area of a region-of-interest or the properties of an image. An image encoding device according to an embodiment of the present invention includes: a block-of-interest determining unit configured to determine whether or not a block is a block-of-interest including a pixel-of-interest; a region-of-interest area-ratio calculator configured to calculate a region-of-interest area ratio based on a determination result obtained by the block-of-interest determining unit; a rate controller configured to decide a region-of-interest quantization parameter and a non-region-of-interest quantization parameter based on at least a bit rate of compression data and the region-of-interest area ratio; and a compressor configured to compress an image input in accordance with a predetermined encoding method by using the block-of-interest, the region-of-interest quantization parameter, and the non-region-of-interest quantization parameter.
Controls and interfaces for user interactions in virtual spaces
In one embodiment, a method includes sending information configured to render a virtual space on a display device; receiving a first input from a first controller device, wherein the first controller device is associated with a first location on a body of a user; sending information configured to render a user interface comprising a menu of items, the menu of items comprising one or more interactive elements; receiving a second input from a second controller device, wherein the second controller device is associated with a second location on the body of the user, and wherein the second input indicates a selection of a particular interactive element; and sending information configured to render a response to the selection of the particular interactive element on a display device associated with the user.
Display for three-dimensional image
Apparatuses and methods for displaying a 3-D representation of an object are described. Apparatuses can include a rotatable structure, motor, and multiple light field sub-displays disposed on the rotatable structure. The apparatuses can store a light field image to be displayed, the light field image providing multiple different views of the object at different viewing directions. A processor can drive the motor to rotate the rotatable structure and map the light field image to each of the light field sub-displays based in part on the rotation angle, and illuminate the light field sub-displays based in part on the mapped light field image. The apparatuses can include a display panel configured to be viewed from a fiducial viewing direction, where the display panel is curved out of a plane that is perpendicular to the fiducial viewing direction, and a plurality of light field sub-displays disposed on the display panel.
Directional pixel for multiple view display
The present disclosure relates to a directional pixel for a high-angular resolution, wide field of view, multiple view display. The design teaches a directional pixel comprising a substrate, one or more pixel driving circuits, one or more nano- or micro-scale subpixels, and one or more directional optical guiding surfaces, wherein each of said one or more subpixels is comprised of a light emitting device emitting a light beam and an optical microcavity housing said light emitting device. The optical microcavity is comprised of a plurality of reflective surfaces to specifically manipulate and tune said light beam, wherein one or more of said reflective surfaces is a light propagating reflective surface which propagates said light beam out of said microcavity, and said light propagating reflective surface is connected to said one or more directional optical guiding surfaces to direct said light beam at a specific angle. A high-angular resolution, multiple-view light-field display is created by deploying a plurality of directional pixels into a directional pixel array system.
Exoscope with enhanced depth of field imaging
An exoscope with enhanced depth of field imaging is provided. The exoscope includes first and second sets of optical devices, the first set having a fixed image plane, the second set having a variable image plane adjacent the fixed image plane of the first set. The second set includes at least one variable device configured to change the position of the variable image plane. A beamsplitter splits light from a combined optical path of the first and second set to respective image devices of the first and second set of optical devices. A controller controls the at least one variable device to change the position of the variable image plane relative to the fixed image plane, combines images acquired by the respective image devices, and controls a display device to render a combined image.
Method and apparatus for generating lens-related metadata
A method and an apparatus for generating lens-related metadata for a light field imaging device. An image renderer generates a display image from a light field capture using a lens model. A metadata assembler then outputs parameters of the lens model used for generating the display image as lens-related metadata for the light field imaging device.
System and method for presenting and viewing a spherical video segment
Systems and methods for marking an event of interest within a spherical video segment are provided. The spherical video segment may define visual content viewable from a point of view. User input may designate an event of interest within the visual content. The user input may indicate a moment in time in the spherical video segment and a viewing angle of the event of interest. Tag information associated with the event of interest may be generated. The tag information may identify the moment in time and the viewing angle such that a subsequent presentation of the spherical video segment, proximate to the moment in time, includes an alert notification that the event of interest is outside a display field of view based on the viewing angle being outside the display field of view.
Sound processing system and sound processing method that emphasize sound from position designated in displayed video image
A sound and video processing system includes: a display that displays a video image captured by the camera; a sound collector that collects sound; an input device that receives designation of at least one designated location in the video image displayed on the display. A processor generates emphasized audio data, in which sound is emphasized in at least one direction from a position of the sound collector toward at least one position corresponding to the at least one designated location. The processor displays at least one identification shape at the at least one designated location. In response to receiving re-designation of one of the at least one designated location by the input device, the processor outputs audio data in which emphasis of sound stops in a direction from the position of the sound collector toward the position corresponding to the re-designated location.
An imaging device includes an imaging sensor that outputs an imaging signal representing a sequence of frame images of a photographic subject. A buffer memory temporarily stores data of the sequence of frame images from the imaging signal. A release switch is actuated by a user to output an image-taking signal. A controller, upon receipt of the image-taking signal from the release switch: (i) generates moving image data from at least some of the plurality of frame images stored in the buffer memory, (ii) generates at least one piece of still image data based on at least one frame image of the plurality of frame images stored in the buffer memory, and (iii) associates the moving image data with the still image data and records the moving image data and the still image data in a recording medium.
Imaging apparatus and image processing system having stacked structure
An imaging apparatus includes an image sensor, a control unit, a first image processing unit, and a second image processing unit. The image sensor includes a plurality of pixels, each of which includes a photoelectric conversion unit which converts light into an electric charge. The control unit makes a first control line output a signal based on the electric charge of the photoelectric conversion unit to a first signal line, and makes a second control line output a signal based on the electric charge of the photoelectric conversion unit to a second signal line. The first image processing unit performs first image processing for the signal output to the second signal line. The second image processing unit performs second image processing for the signal output to the first signal line based on a result of the first image processing in the first image processing unit.
Smart city closed camera photocell and street lamp device
The invention provides a photocell system for controlling a street lamp comprising a photocell configured to switch on and off the street light and a Closed Camera Photo Cell configured to collect image data and transmit the data to a remote location.
Apparatus, system and method for tracking subject with still or video camera
An apparatus, method, and system for controlling camera aiming and operation through a convenient and intuitive interface using correlative touch and feel, which allows a camera operator to primarily pay attention to a game or event, while simultaneously controlling a still or video camera in three control dimensions, with a high degree of accuracy or quality.
Video copy prevention systems with interaction and compression
Disclosed are systems and methods for providing video content while inhibiting the copying of that content for later viewing. Video images may be made difficult to copy for presentation at later times by the omission or addition of content developed in relation to the particular initial viewing. For instance, video information may be customized by omitting information that is not likely to be substantially perceived by the initial viewer but that is substantially likely to be perceived as missing by at least some other viewers. As another example, video information may be customized for a particular viewing instance so that it contains modified, selected or injected information that is likely to be perceived as non-disruptive or unnoticeable by the original viewer but that would be perceived as substantially noticeable and/or disruptive by some other viewers, including when parts of more than one such video information are combined in an effort to remove customization related to their respective original viewings. Various means and methods for accomplishing the forgoing in a variety of settings are disclosed including also for providing privacy related to what is viewed. In some examples higher-resolution images are provided for the region near the viewer's point-of-regard and lower resolution images are provided elsewhere, which also has the effect of reducing the bandwidth required. For interactive content rendered from digital models, a model for a central foveal region may be provide greater detail and have greater computational requirements than a model for a peripheral view, providing both economy/performance in rendering and protection against copying.
Device for transmitting broadcast signal, device for receiving broadcast signal, method for transmitting broadcast signal, and method for receiving broadcast signal
Provided in the present invention is a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, provides a system capable of supporting a next-generation broadcast service in an environment supporting a next-generation hybrid broadcast which uses a terrestrial broadcast network and an Internet network. Also provided is an efficient way of signaling encompassing the terrestrial broadcast network and the Internet network in the environment supporting the next-generation hybrid broadcast.
Audio routing for audio-video recording
Systems and methods for routing audio for audio-video recordings allow a user to record desired audio with captured video at the time the video is being captured. Audio from one or more sources may be routed to the video capture application and recorded with the video. In one or more examples, audio may be routed from another application, e.g., an audio playback application, running on the same device as the video capture application. In another example, audio may be received from a remote device through a wireless connection. Multiple streams of audio content may be mixed together prior to storing with video. The audio, upon reception, may then be routed to the video capture application for recordation. An audio progression bar may also be provided to indicate duration and elapsed time information associated with the audio being recorded.
Method for zapping contents and display apparatus for implementing the same
A content zapping method for accessing multimedia contents rapidly and easily by accessing the multimedia contents on a browser basis, includes receiving a screen change command for at least one broadcast channel or at least one content; and changing a screen to a browser which provides the at least one broadcast channel or the at least one content corresponding to the received screen change command, in an order of a pre-stored list.
Tracking object of interest in an omnidirectional video
A device is presented. The device comprises: at least one processor and at least one memory including computer program code, a display element coupled to the processor, and a user input element coupled to the processor. The computer program code and the at least one memory are configured, with the at least one processor, to cause the device to: play an omnidirectional video comprising a series of image frames, display a portion of the image frames of the played omnidirectional video on the display element, receive a user input from the user input element, the user input comprising selection of an object of interest in the displayed portion of at least one image frame of the played omnidirectional video, identify the object of interest in at least one image frame of the played omnidirectional video based on the user input, track the selected object of interest in consequent image frames of the played omnidirectional video, and adjust the displayed portion of the consequent image frames of the played omnidirectional video so that the tracked object of interest remains in the displayed portion. A method and method are also presented.
Solid-state image capturing element, manufacturing method therefor, and electronic device
The present disclosure relates to a solid-state image capturing element, a manufacturing method therefor, and an electronic device, which are capable of controlling a thickness of a depletion layer. The solid-state image capturing element includes pixels each in which a photoelectric conversion film configured to perform photoelectric conversion on incident light and a fixed charge film configured to have a predetermined fixed charge are stacked on a semiconductor substrate. The technology of the present disclosure can be applied to, for example, back surface irradiation type solid-state image capturing elements, image capturing devices such as digital still cameras or video cameras, mobile terminal devices having an image capturing function, and electronic devices using a solid-state image capturing element as an image capturing unit.
Signal processing apparatus, control method, image pickup element, and electronic device
The present technology relates to a signal processing apparatus, a control method, an image pickup element, and an electronic device which make it possible to suppress RTS noise. The signal processing apparatus of the present technology may include an amplifying transistor and a short-circuit unit. The amplifying transistor amplifies a signal input to a gate, and the short-circuit unit is capable of short-circuiting the gate of the amplifying transistor to a potential which reduces a gate-to-source voltage of the amplifying transistor. For example, it is determined whether the amplifying transistor is in a period of a non-operating state, and when the amplifying transistor is determined to be in the period of a non-operating state, the gate of the amplifying transistor may be short-circuited. The present technology can be applied, for example, to an image pickup element and an electronic device.
Solid-state imaging device and imaging system with a plurality of electrodes sequentially becoming a lowest potential relative to charges of the plurality of electrodes
A solid-state imaging device includes a photoelectric converter including a photoelectric conversion film, a first electrode arranged on one surface side of the photoelectric conversion film, and a plurality of second electrodes arranged on the other surface side of the photoelectric conversion film, a plurality of charge accumulation portions each connected to corresponding one of the plurality of second electrodes, an output unit that outputs a plurality of signals each corresponding to an amount of charges accumulated in each of the plurality of charge accumulation portions, and a control unit that individually controls a drive voltage applied to each of the plurality of second electrodes. The control unit controls the drive voltage applied to each of the second electrodes such that, in an accumulation period of charges of one frame, each of the second electrodes sequentially becomes the lowest potential relative to the charges of the second electrodes.
Image sensors with split photodiodes
An imaging device may have an array of image sensor pixels. Each image sensor pixel of the array of image sensor pixels may have split photodiodes that are symmetric about a shared floating diffusion region. The floating diffusion region may be coupled to each of the photodiodes. Each of the split photodiodes and the floating diffusion region may generate charge in response to light incident on the image sensor pixel. The split photodiodes and the floating diffusion region may be covered by a microlens. The charge generated by the photodiodes and the floating diffusion region may be compared and utilized by the imaging device in phase detection applications. The image sensor pixel may also include a dual conversion gain capacitor and a gain select transistor to produce high dynamic range (HDR) images.
Using a display as a light source
In general, the subject matter can be embodied in methods, systems, and program products for using a display of a computing device as a light source. The computing device receives a first image that was captured by a camera of the computing device, determines a brightness of at least part of the first image, selects an intensity of a light source that is to be presented by the display of the computing device, the intensity of the light source being selected based on the determined brightness of the at least part of the image, presents the light source by the display of the computing device, the presented light source having the selected intensity, and receives a second image that is captured by the camera of the computing device while the computing device is presenting the light source on the display using the selected intensity.
Imaging device, operation method, image processing device, and image processing method
The imaging device includes an imaging optical system, imaging unit having an imaging element and for capturing a video by imaging a subject image through the imaging optical system, a camera shake detection unit configured to detect camera shake, an optical correction unit configured to optically correct the camera shake detected by the camera shake detection unit by changing a position of the imaging optical system or the imaging element in a case where the optical correction unit is turned on and to stop the correction in a case where the optical correction unit is turned off, and a reset determination unit for determining whether or not to reset the position of the imaging optical system or the imaging element. The optical correction unit resets the position of the imaging optical system or the imaging element in a case where the reset determination unit determines to reset the position of the imaging optical system or the imaging element. The imaging device further includes an electronic correction unit configured to electronically correct a change of a position of a subject, based on an operation of the reset by the optical correction unit, in an image captured by the imaging unit in a case where the reset by the optical correction unit is started.
Method for controlling camera system, electronic device, and storage medium
A method for operating an electronic device is provided. The method includes performing initialization of a camera system of the electronic device, controlling the camera system to operate in a sleep mode upon completion of the initialization, controlling the camera system to switch to a normal mode from the sleep mode, and displaying an image output from the camera system in the normal mode on a display of the electronic device.
Multiple lens system and portable electronic device employing the same
A multiple lens system includes at least one lens unit, at least one reflecting unit, a first image sensing element, a second image sensing element, and a processing unit. The processing unit is electrically connected to the first image sensing element and the second image sensing element. The processing unit controls at least one angle of the at least one reflection unit according to a capturing mode, changes at least one optical path of the at least one reflection unit, and selects at least one lens of the at least one lens unit. At least one image beam obtained by the selected at least one lens is reflected or projected to at least one of the first image sensing element and the second image sensing element through the at least one optical path.
Photographing method and mobile terminal
Embodiments of the present invention disclose a photographing method. The method includes: detecting a first operation performed on the mobile terminal; determining whether the first operation meets a first preset condition; supplying electrical power to hardware components of the mobile terminal that are involved in performing the photographing operation when the first operation meets the first preset condition, and pre-allocating an application resource for the photographing operation; detecting a second operation performed on the mobile terminal; determining whether the second operation meets a second preset condition; and performing the photographing operation when the second operation meets the second preset condition.
Providing camera settings from at least one image/video hosting service
Camera settings are provided by retrieving, based on current metadata defining a current position of a camera (5) and from a storage, metadata defining respective positions of other cameras and camera settings used by the other cameras when taking photos or videos that are uploaded on an image/video hosting service. Information representative of camera settings used when taking a photo/video selected among the photos/videos available on the image/video hosting service is provided for transmission to the camera (5).
Display apparatus, method of controlling display apparatus, document camera, and method of controlling document camera
A projector includes: an image I/F unit that communicates with a document camera; a projection unit that displays an image based on photographic image data received from the document camera via the image I/F unit on a screen; a position detection unit that detects a position of an indicator with respect to the screen; and an instruction information transmission unit that transmits a control command for causing the document camera to perform a process based on a function related to an icon via the image I/F unit in a case in which it is detected that a region corresponding to the icon of the screen is operated with the indicator based on a detection result of the position detection unit.
Image processing apparatus, image processing method, and storage medium
When a first frame included in a moving image satisfies a predetermined condition about a predetermined feature quantity, a second frame is analyzed and a candidate frame is selected from the first frame and the second frame as a candidate of an output target based on a result of analysis of the first frame and a result of analysis of the second frame.
Image capturing apparatus, storage medium and controlling method for correcting a second image by correcting a pixel value of the second image corresponding to a detected defective pixel
To perform high-accurate correction while securing high-speed process, an image capturing apparatus comprises: an image capturing element having plural unit pixels; a first obtainer obtaining a pixel value of a first image generated by a first method, based on an output signal of the image capturing element; a second obtainer obtaining a pixel value of a second image for autofocus generated by a second method different from the first method, based on the output signal of the image capturing element; a first detector detecting a defective pixel based on the pixel value of the first image; a second detector detecting a defective pixel based on information of the defective pixel detected by the first detector and the pixel value of the second image; and a corrector correcting the second image, by correcting the pixel value of the second image corresponding to the defective pixel detected by the second detector.
Lens barrel, camera system, and imaging device
A lens barrel of the invention includes: an imaging optical system including a focus adjustment lens; a driver that drives the focus adjustment lens in a direction of an optical axis; a transceiver that transmits and receives a signal to and from a camera body; and a controller that controls the transceiver to repeatedly transmit a first image plane transfer coefficient which is determined in correspondence with a position of the focus adjustment lens included in the imaging optical system and a second image plane transfer coefficient which does not depend on the position of the focus adjustment lens to the camera body at a predetermined interval, and, when the controller repeatedly transmits the second image plane transfer coefficient to the camera body, the controller varies the second image plane transfer coefficient over time.
Integrated substrate for anti-shake apparatus
An integrated substrate for an anti-shake apparatus defined with an optical axis includes: a substrate, a lens module, an anti-shake apparatus and an image-sensing module. The substrate includes a frame having, a predetermined thickness. The frame includes a first surface, a second surface, a first circuit layout, and a second circuit layout. The lens module is located above the substrate on the optical axis. The anti-shake apparatus is furnished between the lens module and the substrate. The image-sensing module has an active side and an inactive side, and the inactive side is furnished onto the second surface. The active side is located on the optical axis in a manner of facing the lens module. The anti-shake apparatus is coupled to the first circuit layout, while the image-sensing module is coupled to the second circuit layout. The first and second circuit layouts comprise a plurality of first and second metal leads, respectively.
Color matching across multiple sensors in an optical system
Matching color information in an optical system can include splitting an image forming beam into a bright intensity beam and a dark intensity beam, detecting, using multiple sensors, a color value for a light component from the bright intensity beam and the dark intensity beam, determining color values for the remaining light components associated with the bright intensity beam and the dark intensity beam, and transforming the color values associated with the dark intensity beam to calibrate the color values of the dark intensity beam against the color values of the light intensity beam, the color values of the light intensity beam including color inaccuracies.
Method of compensating for printing substrate deformation in multicolor duplex printing
A method for compensating for printing substrate deformation in a multicolor duplex printing operation by way of a computer. The substrate deformation that arises when individual color separations are printed onto the first and second sides of the printing substrate in the printing units is established and compensated for in the course of an automated register correction process. The computer calculates a forecast of the substrate deformation on a basis of the established first side deformation parameters of the printing substrate. When further color separations are printed onto the second side the forecast is used as an input parameter for a compensation of the substrate deformation of the second side.
Server system and non-transitory computer-readable medium storing computer-readable instructions for server system
A server system may, in a case where first identification information for identifying a first apparatus is inputted to a first terminal device, receive the first identification information from the first terminal device, in a case where the first identification information is received from the first terminal device, store the first identification information in a first memory, after the first identification information has been stored in the first memory, receive second identification information for identifying a second apparatus from the second apparatus, in a case where it is determined that the second identification information is identical to the first identification information due to the second apparatus being identical to the first apparatus, register service information in a specific memory, the service information including information for a user of the first apparatus identified by the first identification information to receive provision of the specific service from the server system.
Printing apparatus capable of holding received print job and control method of printing apparatus
A printing apparatus includes a printer unit that prints an image on a sheet, a network controller that instructs the printer unit to execute a preparation operation according to receipt of print data, and a controller that instructs the printer unit to execute the preparation operation according to input of an execution instruction in a case where a reservation function for reserving printing based on the print data received by the network controller until receipt of the execution instruction is received is enabled.
Original reading apparatus
A reader CPU stops a lead motor in a case in which a discharge sensor cannot detect reaching of a leading edge part of an original D even though the original is conveyed by a first amount (LP3+LM1) or a second amount (LP3+LM2) which is smaller than the first amount from when a lead sensor detects the original, when a reader image processing portion (leading edge detection portion) cannot detect the leading edge part of the original from image data of a first face of the original.
Printing apparatus and control method
There is provided a printing apparatus including a printing mechanism that feeds paper from a plurality of paper feeding ports and performs printing on the fed paper; and a control unit that controls the printing mechanism, in which the control unit determines whether or not printing of a second job is to be performed on unprinted fed paper which is fed from the paper feeding port and is not yet printed, based on a setting of the paper feeding port in the second job following the first job, when a cancellation instruction is received during printing the first job and causes the printing mechanism to perform printing of the second job on the unprinted fed paper in a case of determining that printing is to be performed.
Image forming apparatus
Provided is an image forming apparatus that includes an input unit to which given function selection and information are input, a display unit that displays a plurality of display items each including a function selection item, a language selection unit that selects a user selection language understandable to a user and a manager selection language understandable to a manager, and a display switching unit that switches a language of the display items displayed on the display unit through selection input to the input unit. Two-language simultaneous display, in which each of the display items displayed on the display unit is displayed by using both languages of the user selection language and the manager selection language, and single-language display, in which each of the display items is displayed by using only the user selection language, are switchable.
Image forming apparatus
An image forming apparatus includes a sensor, an operation section, and a controller. The sensor detects a sensor target. The operation section receives an operation instruction. The controller executes a setting process for controlling the sensor. The setting process is a process to adjust a sensitivity of the sensor according to detection precision. The detection precision is a relationship in a first unit period between the number of times the sensor detects the sensor target and the number of times of the operation section receives the operation instruction.
Document scanning apparatus composed of an automatic document feeding device and an image capturing device and scanning method thereof
The present invention relates to a document scanning apparatus which is composed of an automatic document feeding device and an image capturing device. The document scanning apparatus establishes a private area network between the automatic document feeding device and the image capturing device, and causes the automatic document feeding device to send a message to the image capturing device. When the message is received, said image capturing device performs corresponding operations in response to the message. Said operations may comprise, for example adjusting the relative position between the image capturing device and the automatic document feeding device or doing multi-documents scan.
Method and apparatus of secure charging for device-to-device service
A method of secure charging for a device-to-device service may comprise: recording charging information of a device-to-device service between a first user equipment and a second user equipment, wherein the charging information is associated at least with the first user equipment; generating a first report comprising the charging information, wherein the first report is protected by a security key of the first user equipment; and sending the first report to a network node by the first user equipment, wherein the first report is used for charging for the device-to-device service together with a second report generated at the second user equipment, and wherein the second report comprises charging information associated at least with the device-to-device service of the second user equipment and is protected by a security key of the second user equipment.
Systems and methods for producing build calls
Techniques are disclosed for making an automated telephone call more interactive and intelligent by saving responses gathered from a previous call and using that information to build more personal and engaging subsequent interactions. An initial telephone call can be designed with data needs in mind. Relevant responses from the initial calls can be captured and stored and a follow-up call can be created that includes dialogs that reference specific information from the previous interactions with the system. Such build call techniques can be utilized on outbound, as well as inbound calls, and can simulate a human being's ability to listen, remember and refer to past conversations, making the automated telephone calls more interactive and effective.
Method and apparatus for data channel augmented voice telephony systems
A computerized method of terminating audio telephone calls that provides the other party with more information as to why the telephone call was terminated. This method, which is particularly useful for computerized smartphones equipped with voice and data channel communications methods, automatically provides the user with a variety of different informative text messages that can be selected by the user and sent to the other party at the time that a voice call is terminated.
Load coil measurement in a network using a pseudorandom binary sequence (PRBS) based technique
A test device for measuring load coils in a network using a pseudorandom binary sequence (PRBS) based technique is disclosed. The test device may comprise a transmitter to transmit a plurality of test signals at a test point in a network. The test device may comprise a receiver to receive a plurality of response signals at the test point. The test device may also comprise a processor to analyze the plurality of response signals and perform at least one load coil measurement. The processor may achieve this by applying a transformation calculation to generate a plurality of terms of the transformation calculation simultaneously, converting the plurality of terms of the transformation calculation into a plurality of impedances, converting the plurality of impedances into polynomials using a conversion technique, analyzing the polynomials for poles and zeros, and estimating at least one load coil measurement based on the poles and zeros of the polynomials.
Method, system and application for improved authentication for mobile device users
Present invention provides a method, system and application for providing authentication of a mobile device user, based on the measurement of electromagnetic fields modified by a pre-established movement of a specific magnetic token associated to the user. This univocal process will be able to obtain new authentication factors, including something that the user owns (i.e., the token), something that the user knows (i.e., the interaction between the token and the device), and somewhere that the user is (i.e., where the interaction takes place).
Terminal device and electronic device
A terminal device includes a main body and a flexible touch panel. The main body includes a substrate, an earphone assembly, and a microphone assembly. The earphone assembly and the microphone assembly are respectively set on two opposite ends of the substrate. The flexible touch panel is on the substrate. The flexible touch panel is between the earphone assembly and the microphone assembly. The flexible touch panel is set on the substrate, to realize the touch and control function during using by a user. The whole substrate is thin, and the earphone assembly and the microphone assembly are set respectively on both ends of the substrate, communication may be realized simultaneously, the whole structural compactness of the terminal device may also be improved, and the whole thickness of the terminal device may be reduced.
Packet handling based on virtual network configuration information in software-defined networking (SDN) environments
Example methods are provided for packet handling based on virtual network configuration information in a software-defined networking (SDN) environment. An example comprises a first host obtaining virtual network configuration information that specifies a first virtual object identifier (ID) and a first address associated with a first virtualized computing instance, and a second virtual object ID and a second address associated with a second virtualized computing instance. In response to detecting an egress packet with an inner header that is addressed from the first address to the second address, the first host may generate an encapsulated packet by encapsulating the egress packet with an outer header that specifies the second virtual object ID; and send the encapsulated packet to the second host to cause the second host to decapsulate the outer header and, based on the second virtual object ID, send the egress packet to the second virtualized computing instance.
Data stream pipelining and replication at a delivery node of a content delivery network
A content delivery node receives data packets carrying content from an upstream source of content, and writes segments of the received content directly to a memory buffer of a memory using direct memory access (DMA) data transfers. The node derives, for each segment, respective segment-specific metadata based on contents of the segment, and stores the respective segment-specific metadata in the memory. The node receives from multiple downstream client devices respective requests for the same content. Each request includes client-specific information. Responsive to the requests, the node: identifies one or more segments that satisfy the requests; generates, for each client device, client-specific metadata using the client-specific information and the segment-specific metadata for the one or more segments; constructs, for each client, a client-specific data packet that includes the one or more segments and the client-specific metadata; and transmits the client-specific data packets to the downstream client devices.
Platform agnostic modular framework
Data systems and processes are disclosed that are capable of providing a modular framework for accessing and manipulating information across multiple device platforms synchronously. The system includes a server-side module repository including at least one module, a subscription service configured to be implemented through a client graphical user interface (GUI) of the multiple device platforms that provides access to interact and navigate the at least one module, and an architecture that allows the at least one module to delegate at least part of a computing task to the server side.
Method, apparatus, and computer program product for implementing customizable caching strategy based on traffic pattern to optimize memory footprint and reduce latency
A method, apparatus, and computer program product are provided to implement a customized caching strategy which optimizes the implementation based on usage patterns. In the context of a method a client request for a service is intercepted and an authentication check is performed for the client request based on cached data. In an instance in which the authentication check succeeds, the method performs an authorization check for the client request based on the cached data. In an instance in which the authorization check succeeds, the method forwards the client request for the service to the service. A corresponding apparatus and a computer program product are also provided.
Method and system to transfer data between components of an emulation system
An emulation system comprises an outband traffic generating device comprising at least one field programmable gate array coupled to a host system. The outband traffic generating device is configured to transfer one or more bits via an outband channel to a register of an inband traffic generating device. The inband traffic generating device comprises at least one field programmable gate array coupled to a target system. The inband traffic generating device is configured to transfer the one or more bits via an inband channel to the outband traffic generating device.
Context and social distance aware fast live people cards
Context and social distance aware fast live people cards are described. A user context and/or a relevant person context may be determined in response to detecting a user interest in viewing contact information. The user context may include user's attributes such as organizational position, preferences, location, working hours, which application the user is employing, etc. Relevant person context may include context information (similar to the user's) for people within a predefined social distance such as the user's peers, supervisor(s), close friends, etc. Information associated with one or more persons of interest to the user may then be selected and retrieved from a cache storage at a server a productivity service to be provided to a client application for display to the user. Information to be stored in server cache for rapid retrieval may also be selected based on user and relevant person context using observed user behavior.
Method and apparatus to accelerate session creation using historical session cache
A method and apparatus receive packets, wherein the packets comprise headers, and the headers comprise session parameter values, route the packets in response to the session parameter values matching an active traffic session entry of the active traffic session entries in an active traffic session cache memory, match the session parameter values against historical session entries in an historical session cache memory in response to the session parameter values not matching any active traffic session entry of the active traffic session entries in the active traffic session cache memory, wherein the historical session entries for traffic sessions in the historical session cache memory persist after the traffic sessions are no longer active, and, in response to the session parameter values not matching any historical session entry of the historical session entries in the historical session cache memory, performing a packet security check on the packets.
Methods, systems, and computer readable medium for reducing redirects of a client device are disclosed. A method for directing a user to a destination page includes detecting, by one or more servers, interaction with a digital component at a client device, identifying, by the one or more servers, a different server to which the one or more servers are to redirect the client device and a destination page being requested through the interaction with the digital component, redirecting, by the one or more servers, the client device to a destination page without redirecting the client device to the different server, and pinging, by the one or more servers, the different server with a request that includes interaction data corresponding to the interaction with the digital component.
Cloud database connection multiplexing
Techniques are described herein for routing requests for database cloud services. In an embodiment, a different Uniform Resource Identifier (URI) is assigned to each respective database schema of a plurality of database schemas in one or more databases. For each respective database schema, mapping data is stored that maps at least a portion of the URI to the respective database schema. In response to receiving a first request that includes a URI and a set of one or more database commands, a target database schema in a target database is identified based on the mapping data and the URI. A connection is established for accessing the target database schema in the target database. The set of one or more database commands is sent over the connection to access the target database schema in the target database.
Guided workflows for establishing a web presence
Methods and systems related to guided workflows for establishing a web presence include a customer user interface with a guided workflow layer based on a knowledge base about the customer, wherein the customer interface allows a customer to manage a customer's web presence based on operation of a logic engine that accesses information about what a customer has done and who the customer is (e.g. type of business), wherein the user interface presents a guided workflow of tasks associated with a recommended area of improvement for the customer.
Methods and apparatus to share online media impressions data
Methods and apparatus to share online media impression data are disclosed. An example apparatus includes a communications interface; and a processor to generate instructions to be included in a web site and to cause the communications interface to provide the instructions to a web server associated with the web site, the instructions to cause a client, upon execution of the instructions, to initiate a process including sending a first request to an audience measurement entity; and sending a second request to cause a database proprietor to send to the audience measurement entity a cookie mapping of an audience measurement entity cookie to a database proprietor cookie corresponding to the client.
Systems and methods for analyzing traffic across multiple media channels via encoded links
A system and method of analyzing traffic across multiple media channels via encoded links is disclosed herein. The method may include receiving, by a server of a media channel analysis system, identification of a plurality of media channels for which to generate encoded links to a resource, generating, by the server, different links encoded by the server and linked to the resource, assigning, by the server, a respective encoded link of the generated encoded links to each of the identified media channels, determining, by the server, for each of the identified media channels, statistics related to traffic corresponding to the respective encoded link and providing, by the server, an output comprising at least a portion of the statistics.
Multi-source deterministic oracle management
A master oracle may receive an oracle network identifier for an oracle network. The master oracle may receive a plurality of data messages respectively generated by the oracles. The master oracle may verify, based on respective public keys for the oracles, that each of the data messages are digitally signed by a different corresponding one of the oracles. The master oracle may aggregate the data messages into an aggregated data message. The master oracle may digitally sign the aggregated data message with a private key and public key pair. The master oracle may transmit the aggregated data message to a participant node of a distributed ledger network. A smart contract stored on a blockchain may verify the aggregated data. After receiving and verifying the aggregated data message the smart contract may execute to perform operations based on the aggregated data message.
Management system for internet protocol address of baseboard management controller, management terminal, and management method
A system to manage internet protocol address (IP) of baseboard management controller (BMC) includes switches, servers, and a management terminal. Each switch transmits to servers link layer discovery protocol in information packets, giving information of itself and a port of itself. Each server transmits obtained information of the switch and the port of the switch and a BMC IP of that server. The management terminal determines whether the BMC IP transmitted from each server is consistent with an assigning BMC IP corresponding to the port of the switch transmitted from the sever according to a relationship between each port of each switch, identification information of each server and assigning BMC IP of each server and displays the identification information of the server in the event that incorrect BMC IP is transmitted to enable a correction to be made. A method for managing BMC IP is also disclosed.
Optimization of packetized data transmission in TCP-based networks
A method for optimization of a standard TCP connection. The optimization is based on load distributions by a system kernel. A proposed architecture includes an application running a proxy-process. The application is connected locally to an assigned port (e.g., port 9000). A number of connections N (for example 4) is established to a proxy server located on the cloud storage. Thus, the application is not directly connected to a front end server. Instead, it is connected to the proxy process via a local port. The proxy process transfers redistributed data streams to the proxy server on the cloud, which combines N data streams into one and passes it to the front end server residing on the cloud.
Printer and data processing method
A system in which a terminal device communicates with a server and processes data enables the terminal device to continue processing data even when a communication fault occurs.A data processing device has a data storage unit storing data processing device-side master data, connects through a server communication path to a server, updates the data processing device-side master data stored in the data storage unit based on server-side master data stored by the server, connects to a tablet through a process communication path, responds based on the data processing device-side master data stored by the data storage unit to a master data transmission request sent by the tablet, and receives the process information sent by the tablet.
Networked gate machines gaging the condition of unmanned platforms
A system for gaging the condition of unmanned platforms is provided. The system can include a plurality of gate machines having a processor and a memory. The system further includes a plurality of sensors for receiving operational data for the unmanned platforms and sending the operational data to the plurality of gate machines. The plurality of gate machines can include computer-readable instructions stored thereon which, when executed by the plurality of gate machines, cause the plurality of gate machines to perform various steps. One of the steps can include converting the raw signals from the plurality of sensors to normalized values. Another step can include executing a set of obligations if a gate trigger is valid. Finally, another step can include testing one or more subsequent gates of the plurality of gate machines if the gate closure condition is valid.
Method and system for data logging in a transport refrigeration system that includes a human-machine interface
Methods and systems for controlling the collection and storage of data are described. In general, the system includes a human-machine interface (HMI), and the HMI includes an interface that is configured to receive and connect with an external device. Generally, the methods and systems involve the use of an external storage device that can store, for example, collected data and/or analyzed data.
Accurate generation of multiple dimensions of computer load
A utilization test generates the multiple dimensions of resource load on the first computer, the multiple dimensions including at least two of: a processor utilization dimension, a main memory utilization dimension, a mass storage utilization dimension, and a network utilization dimension. The utilization test performs iterations of attempts to generate said each dimension of the resource load on the first computer, in an amount equal to a changeable target utilization of said each dimension of the resource load on the first computer. The utilization test adjusts the adjusted utilization to attempt to correct for inequality between (i) the actual utilization of a particular one of the multiple dimensions of the resource load on the first computer, and (ii) the changeable target utilization of the particular one of the multiple dimensions of the resource load on the first computer.
Method and program product for robot communications
A method and program product includes communicating with a mobile edge computing server as a client. The mobile edge computing server is configured to be in control of a heterogeneous domain. A request to join the heterogeneous domain of the mobile edge computing server is made. The mobile edge computing server is configured for determining an on-board cache size of the requesting client, determining a download size for the requesting client, and transmitting a download to the requesting client. The download includes an application, an operating database, and a size determined by the download size. The download is received. At least one task determined by the download is executed.
Method and apparatus of processing retransmission request in distributed computing
A method and an apparatus for processing a retransmission request in distributed computing are disclosed. The method includes obtaining a retransmission request to be processed in distributed computing; determining a target copy partition corresponding to the retransmission request based on respective partition response time information of individual copy partitions; sending the retransmission request to the target copy partition. Compared with existing technologies, the present disclosure distinguishes each partition with one another based on a partition response time of the respective copy partition to determine a target copy partition corresponding to a retransmission request, thus selecting a copy with a better response time during retransmission, reducing a response time for the retransmission request and reducing an overall load of an associated cluster.
Feed modeling incorporating explicit feedback
A machine may be configured to generate a digital content feed based on at least explicit feedback from a member of a Social Networking Service (SNS). For example, the machine generates explicit input data describing digital content preferences of a member of the SNS based on a communication including explicit feedback data. The communication is received from a client device associated with the member. The machine accesses feature data pertaining to one or more items of digital content determined to be relevant to the member. The feature data describes one or more characteristics associated with the one or more items. The machine generates a feed of items of digital content for the member based on the explicit input data and the feature data. The machine causes a presentation of the feed of the items of digital content in a user interface of the client device associated with the user.
Cognitive event based file sharing system for social software
An embodiment may be a cognitive event based file sharing system. The embodiment may include receiving a file share request by a user, wherein the file share request comprises a file selected for access by intended file recipients. The embodiment may include determining a storage capacity of a computing device of the user. The embodiment may include determining a storage capacity of computing devices of the intended file recipients. The embodiment may include allocating the file based on the storage capacity of the computing device of the user, the storage capacity of the computing devices of the intended file recipients, and a file management policy. The embodiment may include providing access to the file to the intended file recipients. The embodiment may include removing a portion of the file from at least one of the computing devices of the intended file recipients based on the occurrence of a specified event.
Intelligent data transmission by network device agent
In one aspect, a system for intelligent monitoring of a network device in a monitored environment includes a processor; a memory; and one or more modules stored in the memory and executable by a processor to perform operations including: capture network device application data for monitored application, capture network device resource data, generate model for transmitting performance data with minimum overhead based on captured network device resource data, and transmit data based on the model.
Automated compression of data
The application relates to a system comprising at least two processing nodes (1), wherein the nodes (1) comprise an execution environment (2) and a processing component (3), wherein each execution environment (2) includes an establisher configured to establish a communication channel (4) between an outgoing port of the processing component (3) and an inbound port of a different processing component (3), and wherein the system is configured to determine whether the communication channel (4) traverses a boundary of a node (1), and to determine whether an encoding/decoding of data to be transferred through the communication channel (4) is required.
Adaptive bit rate media streaming based on network conditions received via a network monitor
A method includes receiving, at a device from a content source, a portion of a particular chunk of media content a particular quality level during adaptive bit rate media streaming of the media content. The method includes receiving, at the device, network data related to network conditions associated with the device in response to receipt of the portion. The method also includes, in response to a determination to download the particular chunk at a first quality level different than the particular quality level, the determination based on the particular quality level and the network data: sending a request from the device for the particular chunk at the first quality level to the content source, and replacing the portion with the particular chunk at the first quality level.
Redundant media packet streams
This invention concerns the transmitting and receiving of digital media packets, such as audio and video channels and lighting instructions. In particular, the invention concerns the transmitting and receiving of redundant media packet streams. Samples are extracted from a first and second media packet stream. The extracted samples are written to a buffer based on the output time of each sample. Extracted samples having the same output time are written to the same location in the buffer. Both media packet streams are simply processed all the way to the buffer without any particular knowledge that one of the packet streams is actually redundant. This simplifies the management of the redundant packet streams, such as eliminating the need for a “fail-over” switch and the concept of an “active stream”, The location is the storage space allocated to store one sample. The extracted sample written to the location may be written over another extracted sample from a different packet stream previously written to the location. These extracted samples written to the same location may be identical.
Systems and methods for communication using a transport channel with improved multimedia content distribution in a network of moving things
Communication network architectures, systems, and methods for supporting a network of mobile nodes are disclosed. As a non-limiting example, various aspects of this disclosure provide communication network architectures, systems, and methods for supporting a dynamically configurable communication network comprising a complex array of both static and moving communication nodes (e.g., the Internet of moving things), where the network may involve autonomous and/or non-autonomous vehicles.
Establishing a social application layer
A virtual space may be presented within a plurality of virtual environments provided by different platforms without requiring idiosyncratic APIs associated with the virtual space for each different platform. An API adaptor module may be configured to facilitate interfacing between a single virtual space API and platform APIs associated with two or more different platforms. A space module may be configured to execute an instance of a virtual space, and to implement the instance of the virtual space to determine view information defining views of the instance of the virtual space for presentation via two or more virtual environments provided by the two or more platforms. Facilitating user interactivity with the virtual space via a given virtual environment provided by a given platform may include interfacing between the virtual space API and a platform API associated with the given platform.
Establishing communication sessions
A method and a system for establishing a communication session between a first communication device in a main communication network and a second communication device in a local communication network comprising a wireless network, the second communication device being located in the vicinity of a mobile device, the first communication device contacting an external phone number, wherein the external phone number is assigned to a unique identifier of the mobile device. The method comprises (i) the mobile device sending the unique identifier detectable on the wireless network; (ii) providing the unique identifier of the mobile device) and a local communication identifier to a service provider adapter; (iii) determining the location of the mobile device, associating the mobile device to the second communication device in dependence of its location.
Method for setting up a WebRTC session
Some embodiments relate to a method implemented by a first terminal for setting up a session with a second terminal. An identifier of a session server is obtained at least from a subscriber device in the first terminal which comprises a subscriber identifier and an operator identifier. A session request and an identifier of the second terminal are sent to the server. At least one instruction is received from the server and a message comprising a first set, relative to the first terminal, of at least one characteristic parameter of the requested session is generated in accordance with at least one instruction received and sent to the server. A message is received from the server comprising a second set of at least one characteristic parameter of the requested session, the second set relating to the second terminal and having a non-zero overlap with the first set.
End user controlled multi-service device priority setting
A communication network allows an end user to dynamically select a user device among user devices associated with the user's subscription as the primary user device by defining a primary capability tag or attribute. Selection of a user device sets the primary capability tag of the selected user device, which is published towards an application server. The application server notifies all other user devices in the group of devices. If a previous user device in the group of user devices was set as the primary user device, then, in response to the notification, the previous user device performs a re-registration with the network removing the previous user device as the primary user device for the services associated with the user subscription. The selected user device also performs a re-registration/registration with the network so all incoming requests for services associated with the user subscription are sent to the selected user device.
Threat assessment based on coordinated monitoring of local communication clients
Embodiments are directed to managing communication over a network. A co-located assessment agent may monitor communication traffic and determine assets and interactions with communication clients associated with one or more remote services. Asset groups associated with the assets may be determined based on characteristics of the assets. Representative assets from each asset group may be determined. Risk scores associated with each asset in a same asset group as the representative assets may be determined based on the remote services associated with the representative assets and the interactions with the communication clients such that a first risk score is initially generated based on a catalog local to a communication client and a succeeding risk score may be generated remotely based on an assessment model. The assets may be modified based on the first risk score or the succeeding risk score and provided to communication clients for display to a user.
System and method for detecting anomalies associated with network traffic to cloud applications
An anomaly detection system is provided and includes a processor, a memory, and a security application that is stored in the memory and includes instructions. The instructions are configured to collect information of behavior data for the users of an organization accessing cloud applications via a distributed network. The behavior data includes one or more parameters tracked over time for the users. The instructions are further configured to: establish baselines for each of the users and for each of the cloud applications or types of cloud applications of the organization; detect anomalies based on the baselines; provide aggregated anomaly data by aggregating anomalies corresponding to two or more of the baselines and a same behavior or corresponding to multiple users of a same cloud application during a same period of time; determine a risk value based on the aggregated anomaly data; and perform a countermeasure based on the risk value.
Cognitive analysis of security data with signal flow-based graph exploration
This disclosure provides for a signal flow analysis-based exploration of security knowledge represented in a graph structure comprising nodes and edges. “Conductance” values are associated to each of a set of edges. Each node has an associated “toxicity” value representing a degree of maliciousness associated with the node. The conductance value associated with an edge is a function of at least the toxicity values of the nodes to which the edge is incident. A signal flow analysis is conducted with respect to an input node representing an observable associated with an offense. The flow analysis seeks to identify a subset of the nodes that, based on their conductance values, are reached by flow of a signal representing a threat, wherein signal flow over a path in the graph continues until a signal threshold is met. Based on the analysis, nodes within the subset are designated as hypothesis nodes for further examination.
Malware detection in virtual machines
A system, computer program product, and computer-executable method of detecting malware in a virtual machine (VM), the computer-executable method comprising periodically creating snapshots of the VM, analyzing each of the snapshots in comparison to one or more previous snapshots to determine whether anomalies exist, and based on a threshold amount of anomalies detected, scanning the VM to determine whether malware is detected.
Securing services in a networked computing environment
A computer-implemented method includes: detecting, by a user device, an event that indicates a potential security compromise of the user device; determining, by the user device, a service accessible on the user device; sending, by the user device, a breach notification to a service provider corresponding to the service accessible on the user device; receiving, by the user device, a security profile from the service provider; and restricting, by the user device, access to the service provider by a client of the service provider on the user device until the security profile is satisfied by a user completing a security challenge defined in the security profile.
Security for accessing stored resources
The present disclosure relates to a server system or other computer equipment for storing data of a first party and determining whether a second party is permitted access to that data based on metadata associated with the data. The disclosure provides a variety of techniques for reducing latency in a security check operation which involves reading this metadata to determine whether the second party is permitted access.
Single use identifier values for network accessible devices
Apparatus and method for providing unique device identification values for a network accessible device. In accordance with some embodiments, a unique device identifier value is generated in response to a data exchange operation with a network accessible device. The identifier value is subsequently transmitted by the device as a unique device identifier value in conjunction with the transmitting of a request for a subsequent data exchange operation with the device.
Document management systems and methods
A system for managing files over a network comprises a first computer hosting managed folders and files and one or more second computers. The first computer comprises database management software, server software such as server pipe software, and a first unique token. The second computer comprises a software module adapted and configured to be integrated into application software, client software such as client pipe software, and a second unique token. The computers communicate in part using the server and client software to establish a secure session for file access and transfer between the first and second computers.
Chat bot-based authentication of chat bots
A method for authentication of chat bots includes determining that a first chat bot is authenticated, by a server, for first session communication at a first chat session with a first chat application instance. The first chat session is hosted by a first chat service. The method includes determining authentication intent to authenticate, with the server, a second chat bot for a second session communication at a second chat session with a second chat application instance. The second chat session is hosted by a second chat service, where the first chat bot and the second chat bot simulate respective chat application instances. The method also includes providing authentication credentials, via the first chat session, to authenticate the second chat bot with the server for the second session communication.
Single sign-on for managed mobile devices
Disclosed are various examples for single-sign on by way of managed mobile devices. For example, an identity provider service can receive a request for an identity assertion from an application executed in a client device. The identity provider service can then detect a platform associated with the client device. A response to the request can be sent based at least in part on the platform, where the response requests authentication by a management credential. Data generated by the management credential is received from the client device, and the management credential is determined to be valid for the identity assertion. The identity assertion is then sent to the client device in response to determining that the management credential is valid for the identity assertion.
Discrete blockchain and blockchain communications
An access control system with devices that securitize one or more blockchains using three sets of rules including authentication, validation, and access is provided. The system also can include protection of signals between one or more secure DASA databases and/or one or more blockchains for various user devices. The DASA databases may exist external to, along with, or within the blockchains. Specific methods and devices for securing (primarily digital and normally two-way) communications using applications offering the combination of securing communications from user devices with reader devices, are also provided. This disclosure also provides for the securitization and/or encryption of blockchain(s) for ensuring communication signals transmitted from and data residing within databases and/or the blockchain itself are not corruptible or compromised. In addition, communication processors for monitoring statistics regarding data at rest and data on the move associated with creating these securitized blockchains are included.
Method, apparatus, and device for managing authentication data of STA
A method, an apparatus, and a device for managing authentication data of a station (STA), where the method includes determining, by a first wireless local area network (WLAN) controller, that a first access point (AP) is an edge AP when a first STA associates with the first AP, where the edge AP is an AP neighboring to another AP, and the other AP and the edge AP are respectively managed by different WLAN controllers, and sending, by the first WLAN controller, authentication data of the first STA to at least one WLAN controller in order to resolve a problem that system performance is affected because relatively much signaling is required by processing when a WLAN controller synchronizes authentication data of a STA when the STA associates with an AP.
User account access management
A user account access management system includes a computing platform having a hardware processor and a system memory storing a user account access software code. The hardware processor executes the user account access software code to receive, from a first user device, a secondary account profile data for generating a secondary account associated with a primary user account registered with a web based service, and to receive, from a second user device, a sign up request for using the web based service. The hardware processor further executes the user account access software code to transmit an authentication token to one of the first user device and the second user device, receive the authentication token from the other of the first user device and the second user device, and link the secondary account with the second user device based on receiving the authentication code.
Secure provision of inputs to a display transmitter device
Embodiments include apparatuses, methods, and systems including a wireless display system with a secure back channel to transmit an input from an input device coupled to a display receiver device to a display transmitter device. An input from an input device may be captured by a display receiver device in a secure execution environment. Furthermore, the captured input may be transmitted through a back channel to a display transmitter device in a secured form based on one or more secure parameters negotiated with the display transmitter device. The display transmitter device may receive the input in the secured form, decrypt the input in the secured form based on the one or more secure parameters to obtain the input, and further supply the input to an operating system or an application to operate on the display transmitter device. Other embodiments may also be described and claimed.
Deidentified access of content
Generally, embodiments of the invention are directed to methods, computer readable medium, servers, and systems for deidentified access of data. The deidentified access is permitted with the use of an identifier that uniquely indicates an outcome, the coding of the identifier obscures unaided human interpretation of the outcome, and the identifier uniquely identifies data for remediating performance associated with future outcomes.
On-node DHCP implementation for virtual machines
A DHCP server implementation includes transmission of a DHCP packet from a virtual machine executing on a server node to a node agent executing on the server node, generation, by the node agent, of a DHCP response packet based on the DHCP packet and on DHCP information previously stored in a local memory of the server node, and transmission of the DHCP response packet from the node agent to the virtual machine. Neither the DHCP packet transmitted by the virtual machine nor the DHCP response packet are transmitted out of the server node.
IP address acquisition method and apparatus
A request message requesting a service is received from a terminal device. Computer code is transmitted to the terminal device, and a communication connection request is received from the terminal device in response to running the computer code on the terminal device. In response to receiving the communication connection request, a communication connection is established to the terminal device. A first IP address associated with the terminal device is determined based on one or more communications transmitted through the communication connection.
Conveying information in hostname in a content delivery network (CDN)
A computer-implemented method, in a content delivery (CD) network. The method includes: receiving a request regarding a first hostname including at least one tag and an encoding of the at least one address; removing the tag and the encoding of the address to form a second hostname; resolving the second hostname to obtain a set of one or more addresses, wherein the set does not include the at least one address; and returning the address set. On a client, the method includes: making a request for resolution of a first hostname; receiving one or more addresses; attempting to connect to at least one of the addresses; generating a modified hostname including at least one tag and an encoding of the at least one address; and requesting resolution of the modified hostname.
De-anonymizing an anonymous IP address by aggregating events into mappings where each of the mappings associates an IP address shared by the events with an account
Mapping anonymous Internet entities to known accounts. In an embodiment, events, representing online activity and comprising IP addresses, are received from a plurality of sources. Subsets of the events are aggregated into mappings that associate the IP address, shared by the subset, with an account. Each mapping is associated with statistics regarding the events. A confidence value is calculated for each mapping based on the statistics, and a final subset of the mappings is selected based on the confidence values. Subsequently, when a request with an IP address is received, the final subset of mappings is searched for the requested IP address, and an indication of the account associated with the requested IP address is returned in response to the request.
System and method for automatic configuration of domain names by third parties
Systems and methods for creating custom domain name links are provided. At least one server communicatively coupled to a network receives a request to create a custom domain name link to a third party service. The request identifies a custom domain name. The at least one server retrieves, from a third party service link database, an entry for the third party service specifying how to create the custom domain name link for the third party service and he at least one server creates the custom domain name link in accordance with the entry retrieved from the third party service link database.
Messaging threads and user posts organized in channels, stories, and social networks
Once multiple message threads are created a user may selectively share information with targeted recipients that may be in various different groups. A user may selectively post to multiple channels and groups dynamically in one single action. This processing of selecting different content postings from different channels may be determined by the likes on a posting, an editorial account, a recommendation system, or an automated algorithm that look for curated postings. These postings may be collated into a story based on time of posting, likes, location, users who posted them, high follower posters, low follower posters and other factors. The content may be posted in a story format which aggregates multiple content pieces in a sequential manner for the user, such as their activities over the past 24 hours, or content that was posted to a specific place such as work or a museum over the past 24 hours.
Information processing method, client, server, and computer storage medium
An information processing method is performed at a server that is communicatively connected to a client device. The method includes: receiving a first request from a first user account of a social application running on the client device; establishing a communications session between the client device and the server after the first request is authenticated; pushing, via the communications session, to the first user account information associated with a social group including the first user account and at least one second user account; and pushing, via the communications session, to the first user account second multi-media information propagated by a third user account of the social application and interaction information by the at least one second user account in the social group on the second multi-media information that satisfy a preset policy.
Systems and methods for providing content
Systems, methods, and non-transitory computer-readable media can group a set of live content items based at least in part on the live content items satisfying at least one relatedness criteria, the live content items being broadcasted through the content provider system. The set of live content items is ranked. An interface that includes a content feed through which the ranked set of live content items are accessible is generated.
Intelligent message queue management
Aspects include managing distribution of messages from a message queue to a plurality of consumers for processing by maintaining a processing history for the messages in the message queue. The processing history identifies each message in the message queue by a message identifier and consumers having previously failed to successfully process a message in the message queue having the message identifier. Aspects also include considering the suitability of a particular consumer to receive a next message to be processed from the message queue by determining the message identifier of the next message and the consumer identifier of the particular consumer. Aspects further include distributing the next message to be processed to the particular consumer if the consumer identifier of the particular consumer is not present in the checked set of consumer identifiers.
Device and method for switching between message threads
A device and method for switching between message threads is provided. The device includes: a communication interface; a display device; and, a controller. The controller is configured to: generate, at the display device, a first message thread of a plurality of message threads, each message thread comprising groups of associated messages transmitted and received by the communication interface; identify a message portion in the first message thread as being associated with one or more other message threads of the plurality of message threads, based on one or more of: respective content and respective metadata of the one or more other message threads; and, generate, at the display device, a link to the one or more other message threads.
Relaying an interpersonal communication
For relaying interpersonal communication, a processor detects an interpersonal communication from an originator. The processor further identifies a target person of the interpersonal communication. In addition, the processor determines whether the interpersonal communication was heard by the target person. In response to determining the interpersonal communication was not heard by the target person, the processor relays the interpersonal communication through a second electronic device.
Data transmission method and apparatus, and in-vehicle terminal
Embodiments of the present invention disclose a data transmission method and apparatus, and an in-vehicle terminal. The data transmission method includes: obtaining, by a first terminal, transmission data by using a first application, the transmission data being data corresponding to a to-be-played file; obtaining, by the first terminal, an address of a first server by using the first application, the first server being a server configured to provide an online play service to a second terminal; and according to the address of the first server, sending, by the first terminal using the first application, the transmission data to the first server by using a second server, the second server being a server of the first application.
Systems and methods for controlling secure persistent electronic communication account servicing with an intelligent assistant
The disclosed technology includes systems and methods for controlling enrollment and secure persistent SMS texting account servicing communications. A method is provided that includes receiving, at an enrollment web portal, enrollment data including: enrollment credentials identifying a user for authentication, a phone number of a mobile device associated with the user, and consent by the user to persistently interact with an account servicing system via SMS texting. The method includes: processing the received enrollment data, authenticating the user responsive to processing the received enrollment data, storing the phone number of the mobile device associated with the user in a phone number data storage, and generating, responsive to the authenticating, a revocable token for persistent access to a natural dialogue module via a SMS texting gateway for the mobile device identified by the phone number.
Packet count-based object locking protocol
Methods and system are disclosed that manage access to a logical object in software defined networks. In one aspect, managing access to the logical objects may include determining whether to retain or release a lock object on a corresponding logical object in the software defined network. The software defined network may receive multiple requests to access applications or logical objects. In response, a front-end engine may be instantiated. The front-end engine may communicate with a back-end engine to determine an availability of TCP communication ports, lock objects, etc., to access the requested logical objects. A network monitoring engine working in cooperation with the front-end engine and the back-end engine may receive the above information on the TCP communication ports, the lock objects, etc., and may determine whether to retain a lock object on a corresponding logical object or to release the lock object and the corresponding logical object.
Mail obtaining method, terminal, and system
A method resolves a problem of a slow mail downloading speed caused by a fact that an existing dual-mode dual-pass terminal cannot effectively utilize a network resource. The method includes obtaining a first transmission rate of a first network connection and a second transmission rate of a second network connection, obtaining a new mail list from a mail server, where the new mail list includes identifiers (IDs) of N mails and a data size of each mail in the N mails, creating a first download task and a second download task according to a preset rule, the first transmission rate, the second transmission rate, and the new mail list such that download time of the N mails is the shortest, downloading a mail indicated by the first download task using the first network connection, and downloading a mail indicated by the second download task using the second network connection.
Systems and methods for intelligently directing a service request to a preferred place of execution
System and methods for intelligently directing a service request to a preferred place of execution. The services, which are executed by a unified client-server system, may be microservices associated with a microservice architecture, or other services in which a first entity sends a request to another entity to execute a certain service needed by the first entity. The unified client-server system may decide which services to execute on which of a plurality of different kinds of devices located in a variety of places. The decision may affect service request latency, network bandwidth, power consumption, and may optimize the task of transporting associated data components between the different entities in the system. The unified client-server system may be abstracted via a certain interface, such that the actual execution place of each of the services is controlled by the system and not necessarily by the requesting entity.
Requesting embedded hypermedia resources in data interchange format documents
A technology is described for embedding hypermedia resources in data interchange format documents. An example method may include receiving an instruction to request a first hypermedia resource from an API (Application Program Interface) server. A second hypermedia resource related to the first hypermedia resource may be identified. A probability that the second hypermedia resource may be requested may be calculated and a determination based in part on the probability that the second hypermedia resource will be requested may be made. Thereafter, an API request for the first hypermedia resource that includes hint data that identifies the second hypermedia resource may be generated.
Apparatus for scheduling contention-based data transfer and method thereof
Provided are an apparatus and a method for scheduling contention-based data transmission in a network system including an access point (AP) and a plurality of terminals. The method includes determining a contention window (CW) size based on the number of terminals connected to the access point, and transmitting information about the contention window size to any one of the plurality of terminals. The apparatus includes a processor and an RF unit. Here, the processor is configured to determine a contention window (CW) size based on the number of terminals connected to the access point, and transmit information on the contention window size to any one of the plurality of terminals through the RF unit.
Enhancing capacity of a direct communication link
Capacity enhancement of a direct communication link using a variable redundancy delivery network. An estimated information rate between a source node and a terminal node may be partitioned into a first information rate provided via the direct communication link and a second information rate to be provided via the variable redundancy delivery network. One or more parameters of the variable redundancy delivery network may be calculated to provide the second information rate based on a non-uniform probability density of messages requested by the terminal node. Capacity and reliability of storage media devices in the variable redundancy delivery network may be traded off to provide the second information rate. The variable redundancy delivery network may implement various coding schemes and per-message coding rates that may be determined based on the non-uniform probability distribution of the source message library.
Method and system for intelligent link load balancing
This disclosure relates to method and system for intelligent link load balancing. In one embodiment, a method for performing intelligent link load balancing in a computer network including a number of network service providers (NSPs) is disclosed. The method includes monitoring ongoing network traffic transaction data of the computer network, predicting a current network latency level for the ongoing network traffic transaction data for each of the NSPs based on a relationship between a network latency level and network traffic transaction data for each of the NSPs, determining an optimal NSP to route ongoing network traffic based on an analysis of the current network latency level of each of the NSPs, and effecting routing of the ongoing network traffic through the optimal NSP. The relationship is learnt based on an analysis of historical network latency level and historical network traffic transaction data for each of the NSPs.
System and method for control traffic reduction between SDN controller and switch
A novel technique is shown for throttling control traffic in a Software Defined Network (SDN) between a controller and network switches when the controller and/or one or more control channels are congested. In this technique, the controller's processing power and the limited control channel bandwidth are more efficiently managed by drastically cutting down the control traffic during times of congestion.
Method and device for detecting congestion on a transmission link
Detection of the congestion on a link based on an exchange of messages between a sender and a receiver, one sender and several receivers or several senders and one receiver. This equipment is connected to the ends of a transmission channel. One of the items of equipment is designated as the master and the others slaves. These exchanges are aimed at enabling the master to calculate and compare the rate of the data send and the rate of the data received. A divergence in the rates calculated reveals a congestion on the link. All these exchanges are made in the application layer and therefore do not involve the underlying layers.
System and method for supporting SMA level abstractions at router ports for inter-subnet exchange of management information in a high performance computing environment
Systems and methods for supporting SMA level abstractions at router ports for inter-subnet exchange of management information in a high performance computing environment. In accordance with an embodiment, a subnet manager in a local subnet is responsible for establishing and configuring a remote attribute a switch having a switch port configured as a router port. This remote attribute can comprise certain information about the local subnet, including connectivity information and port status information. On receiving a query from a remote subnet manager, via a SMP (or a vendor specific SMP), information contained in the remote attribute can be communicated back to the remote subnet manager.
Communication path selection for content delivery
Disclosed herein are methods, systems, and software for modifying a communication path based on latency. In one example, a method of operating a content node to alter a communication path includes identifying latency data for a plurality of end user devices communicating with the content node, and identifying that the one or more end user devices in the plurality of end user devices exceed a latency threshold based on the latency data. The method further includes, in response to identifying that the one or more end user devices in the plurality of end user devices exceed the latency threshold, modifying the communication path between the content node and the one or more end user devices by modifying a domain name system (DNS) configuration for the content node.
Systems and methods for performing layer one link aggregation over wireless links
A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to the second channel, and configured to communicate the Ethernet-encapsulated second virtual container over an Ethernet cable to a slave for wireless transmission over a second wireless link of the link aggregation group to the receiver.
Configuring traffic flow monitoring in virtualized computing environments
Example methods are provided for configuring traffic flow monitoring in a virtualized computing environment. The method may comprise identifying a first logical entity and a second logical entity for which traffic flow monitoring is required and determining a span associated with the first logical entity and the second logical entity. The span may include a first host supporting the first logical entity and a second host supporting the second logical entity. The method may also comprise, based on the span, configuring the first host to monitor a first traffic flow travelling through the first logical entity at the first host, and the second host to monitor a second traffic flow travelling through the second logical entity at the second host.
Method and apparatus for monitoring and processing sensor data from an electrical outlet
A load-monitoring interfacing device obtains and processes sensor data from an electrical load. The interfacing device can include at least one power outlet to provide power to a corresponding electrical load. During operation, the interfacing device can obtain sensor data from a local power outlet coupled to an electrical load, such that the sensor data can indicate an electrical measurement associated with the electrical load. The interfacing device selects a rule to process based on the obtained sensor data, and processes the rule to determine whether to perform an action. If the rule's condition is satisfied, the interfacing device proceeds to processing the rule's action description to perform the action, such as to enable or disable a power outlet, or to perform any other pre-defined action.
Optimized performance data collection at client nodes
Techniques for optimized performance data collection at client nodes are disclosed. In one embodiment, a client node in a client-server environment may include at least one processing resource and a computer-readable storage medium having computer-readable program code embodied therewith. The computer-readable program code being configured to obtain resource utilization data associated with a plurality of processes running on the client node, determine a list of processes having resource utilization greater than a threshold based on the resource utilization data, organize the list of processes based on predetermined criteria and the resource utilization data, generate a report including a predefined number of processes from the organized list, and transmit the report to a management node for performance monitoring.
Analytics for edge devices
Disclosed is a technique that can be performed by an electronic device. The technique can include generating timestamped events, where the timestamped events include raw data generated by electronic device. The technique can further include obtaining results by performing a operation on the timestamped events, in accordance with instructions. The technique can further include sending the results or indicia thereof over a network to a server computer system, and receiving back new instructions generated by the server computer system based on the sent results. Lastly, the technique can include performing a new operation on timestamped events including raw data generated based by the electronic device, where the new operation can be performed in accordance with the new instructions to obtain new results.
Operational micro-services design, development, deployment
Components may provide functionality which separate operation functions in a separate entity, isolate the functions as reusable, and connect them in a control loop in an SDN environment.
Data processing method and device
Embodiments of this application disclose a data processing method and a device, so that a controller can also participate in a procedure of electing an active switch, thereby avoiding a problem in the prior art caused by a registration failure when an active switch determined by means of switch election registers with a controller, and improving active switch election efficiency. The method in the embodiments of this application includes: receiving, by a controller, registration requests of multiple switches in a same stack system, where the multiple switches include a target switch; and if the controller determines that the target switch meets a registration success condition, sending, by the controller, a registration success message to the target switch, and selecting the target switch as an active switch.
This disclosure relates to systems and methods for searching names using name clusters. A method includes training a supervised machine learning system to learn a connection strength between a member and peers of the member; clustering the member with the peers in response to a threshold number of profile similarities between the member and the peers and the connection strength between the member and the peers being above a connection strength threshold value; and applying an unsupervised machine learning system using output from the supervised machine learning system and the clustering to generate a connection between the member and at least one of the peers.
Spread placement groups
A provider network determines which servers to use to host a group of virtual machines for a customer. A placement manager within the provider network employs a placement technique which prioritizes spreading virtual machines for the customer across different “subzones.” A subzone is a logical division of a provider network's hardware and/or software denoting risk boundaries. By placing virtual machines in separate subzones, the customer's virtual machines and thus the task collectively performed by the virtual machines are less impacted by a failure within one of the subzones.
Networking connection resolution assistant
Embodiments for automated accommodation of network configuration settings by a processor. A network connection request is detected. A learned, preexisting network configuration setting corresponding to the network connection request is matched to the network connection request. The network connection is established via the preexisting network configuration setting.
Validation of layer 2 interface and VLAN in a networked environment
Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.
Remotely configured media device
Improved techniques for controlling operation of a portable electronic device are disclosed. Portable electronic devices which interact with a host electronic device can have their operational settings (e.g., configurations or preferences) remotely controlled. As a result, a host electronic device can offer a more sophisticated user interface and portable electronic devices need less local user interface features because these operational settings can be remotely controlled. The remotely-controlled (i.e., host controlled) operational settings are transferred to the portable electronic devices, whereby the portable electronic devices can thereafter operate in accordance with such settings.
Method for managing configuration of a network element and a network element
A network element includes control entities (102, 103) and controllable entities (104-105) such as line interface units. The control entities configure the controllable entities to enable the network element to operate in a data transfer network. Each control entity maintains a configuration data-set in accordance with configuration information based on data received from the data transfer network and transmits the configuration data-set to one or more controllable entities. The control entity applies a configuration rule on the configuration information and updates the configuration data-set on the basis of the result of the configuration rule. The configuration rule is stateless so that its result is independent of earlier results of the configuration rule and of earlier configuration information. The control entities are enabled to keep their configuration data-sets nearly congruent with each other because they use the same configuration information and the same stateless configuration rule.
Radio node, wireless device, and methods therein for configuring the wireless device
Method in a radio node for configuring a wireless device. The radio node and the wireless device operate in a wireless communications network. The radio node configures the wireless device with a plurality of Physical Uplink Control Channel, PUCCH, resource units. The plurality of PUCCH resource units is associated with a number of downlink, DL, aggregated carriers.
Configuration invocation management
A system for managing configuration of multiple computing systems associated with a customer in a cloud computing environment. A command associated with the desired configuration is identified for execution on a total quantity of instances associated with the customer system to be configured. An invocation rate parameter selected by the customer system is used to control a rate in which the configuration command is invoked on the targeted instances. Based on the invocation rate parameter, the system invokes the configuration command on identified portions or sets of the targeted instances during different stages of the configuration invocation.
Method and apparatus for configuration uplink and downlink carriers
Embodiments of the present disclosure provide a method and an apparatus for configuring uplink and downlink carriers. In the embodiments of the present disclosure, the UE determines according to received uplink and downlink carrier configuration signaling, the pairing between the uplink and downlink carriers, and/or a timing reference downlink carrier for the uplink, and/or a pathloss reference cell for the uplink. Thus, the uplink and downlink carriers may be configured more flexibly. Further, through the configuration of the reference downlink carrier for the uplink timing and the uplink power control, the carrier aggregation performance and that on the unlicensed band may be supported more effectively, so as to improve the performance of the LTE system.
Resource management for services
A service control manager manages one or more services on a computing device, such as creating processes that host the services, stopping the processes that host the services, and so forth. The service control manager also provides a request to a resource manager to reserve, monitor, and/or place limitations on resources for each of the one or more services. For example, the service control manager can request to be notified when resource usage by a service exceeds a resource usage threshold value. These resources are various resources of the computing device, such as a processor (CPU), memory, storage device input/output (I/O), network usage, and so forth. If the usage of a resource by a service satisfies the resource usage threshold value for that resource for that service, then the resource manager notifies the service control manager so the service control manager can take an appropriate remedial action.
Automatic frequency controllers for adjusting digital loop filter gain based on wireless channel classification, wireless communication devices including the same, automatic frequency control methods. and wireless communication methods
Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.
NB-IoT receiver operating at minimum sampling rate
The solution presented herein discloses a method of reducing inter-symbol jitter caused while processing each of a plurality of OFDM symbols in a received signal. For each of the plurality of OFDM symbols, the method comprises receiving a plurality of radio samples produced by a sampling of an OFDM symbol at a reduced sampling rate, where the reduced sampling rate causes inter-symbol jitter between the plurality of OFDM symbols. The method further comprises determining a sample offset corresponding to a symbol number for the OFDM symbol, transforming the samples of the OFDM symbol into a plurality of frequency-domain resource elements, and determining a phase offset for each of the resource elements using the sample offset. The method then reduces the inter-symbol jitter by rotating each resource element using the corresponding phase offset to generate phase-rotated resource elements. Corresponding narrow-band wireless receiver, narrow-band wireless receiver apparatus, jitter compensation circuit and computer program product are also disclosed.
Methods and procedures to improve physical layer efficiency using unique word (UW) discrete fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM)
Methods, devices, and systems for transmitting information using a unique word (UW) with discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) are described herein. In an example, a wireless transmit/receive unit (WTRU) may generate a reference sequence. Further, the WTRU may generate a DMRS sequence based on upsampling of the reference sequence. In an example, the DMRS sequence may include a plurality of repeating sequences. Further, in an example, each repeating sequence may include a head sequence, a reference sequences and a tail sequence. Also, a UW sequence within the DMRS may include one of the repeated head sequences and one of the repeated tail sequences. In addition, the WTRU may generate a DMRS signal based on a waveform operation on the DMRS sequence. The WTRU may then transmit the DMRS signal as a reference signal.
OFDMA apparatus and method thereof for performing OFDM based communication in wireless communication system
Embodiments herein provide an OFDMA method for performing OFDM based communication in a wireless communication system. The OFDMA method includes splitting a carrier bandwidth into a number of subbands and modulating resource units in each of the subbands with data symbols in a parallel manner. Further, multiplexing the resource units by transforming each of the modulated resource units through a plurality of unitary transformations at a stage. Further, generating an output by performing a parallel to serial conversion of the transformed resource units. Further, the OFDMA method includes generating an OFDM signal by multiplexing an output from at least one of the previous stage to another stage by transforming the output through a unitary transformation for a defined number of times. Furthermore, the OFDMA method includes transmitting the OFDM signal over a wireless channel in the wireless network system.
Reference signal design
Certain aspects of the present disclosure relate to methods and apparatus for generating and communicating reference signals. Certain aspects provide a method for communicating reference signals. The method includes selecting a reference sequence of a plurality of reference sequences to transmit in a cell in a synchronization signal block (SSB) based at least on a logical value, wherein the logical value is determined based on a SSB index indicating a location of the SSB within a set of resources of a plurality of sets of resources and at least one of a cell ID of the cell, a set index indicating a location of the set of resources within the plurality of sets of resources, or a second value based on system information corresponding to the cell; and transmitting the selected reference sequence in the SSB.
System, method, and apparatus for low power cyclic prefix (CP) based hybrid spread waveforms
Systems, methods, and instrumentalities are disclosed for generating, transmitting, and/or receiving a hybrid spread waveform. The hybrid spread waveform may include a data portion and a hybrid guard interval (HGI) portion. The HGI portion may include a fixed prefix portion or a fixed suffix portion, and an adaptive low power tail (LPT) portion. The fixed prefix portion or the fixed suffix portion is a low power cyclic prefix (LPCP). The LPCP may be generated at least based on at least the channel delay spread and a power regrowth length. The adaptive LPT portion may be generated using a zero tail (ZT). The LPT is generated by inserting zeros at IFFT or DFT processing stage. A part of the adaptive LPT portion is used to carry data or control information. A waveform may be switched between a hybrid spread waveform and a fixed-CP waveform, e.g., via control signaling.
Ground short circuit portion detecting apparatus, ground short circuit portion detecting method, and computer-readable recording medium
Switch units control ON and OFF of communication between a master device and slave devices. Signal levels of communication lines between switch units and slave devices are maintained at a predetermined level. A switch unit in a first stage is turned on and off by a first switch control signal. A switch unit in a second stage is turned on and off by a switch control signal generated based on a level of a communication line in the first stage and the first switch control signal. A switch unit in each of subsequent stages is turned on and off by a switch control signal generated based on a level of a communication line in a preceding stage and a switch control signal in a second preceding stage. A portion of ground short circuit is identified based on states of communication between the master device and the slave devices.
Scrambling sequence design for multi-mode block discrimination on DCI blind detection
Methods and devices are described for polar encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on control information blind detection and decoding. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a user equipment (UE)-specific identifier, a UE group identifier, or a base station identifier. Frozen bits of the polar code may be used to encode and transmit hybrid automatic repeat request (HARQ) acknowledgment messaging for early retransmission of unsuccessful downlink messages. A tiered process of UE identification may be employed to improve a balance between early termination of the decoding process and success of the UE identification process.
Receiver with clock recovery circuit and adaptive sample and equalizer timing
A receiver is equipped with an adaptive phase-offset controller and associated timing-calibration circuitry that together shift the timing for a data sampler and a digital equalizer. The sample and equalizer timing is shifted to a position with less residual inter-symbol interference (ISI) energy relative to the current symbol. The shifted position may be calculated using a measure of signal quality, such as a receiver bit-error rate or a comparison of filter-tap values, to optimize the timing of data recovery.
Quarter-rate charge-steering decision feedback equalizer (DFE) taps
A decision feedback equalizer (DFE) comprises two charge-steering (CS) input latches driven by complementary ½-rate clocks, two pairs of CS primary latches, and two pairs of taps. The primary latches are driven by ¼-rate clocks. In a first aspect, each one of the input latches and the primary latches includes a respective differential pair of n-channel output transistors, and each tap includes a respective differential pair of p-channel input transistors. In a second aspect, each one of the input latches and the primary latches includes a respective differential pair of p-channel input transistors, and each tap includes a respective differential pair of n-channel output transistors. In some implementations, no element of any one of the taps is driven by any ½-rate clock. In some implementations, every switch of at least one of the taps is driven by one of the ¼-rate clocks.
Indirect VXLAN bridging
A method for transmitting MAC frames between hosts/remote machines and virtual machines across network elements (e.g., switches, routers, and multilayer switches) that conventionally do not hold capacity to address VXLAN encapsulation to any and all possible destination VTEPs within expanding data centers. More specifically, the method permits a network element the functionality of retaining VXLAN encapsulation table entries corresponding to VTEPs on Top of Rack (ToR) switches versus to VTEPs on hosts that reside under those ToR switches. This use of indirect VXLAN bridging may reduce the number of required VTEPs stored on a network element for the purposes of performing VXLAN encapsulation, thereby once again establishing the capability for packets to reach any arbitrary destination VTEP as data centers scale.
Computer-based platform for quality management of home devices
A quality management platform for home devices is implemented on a computer system and comprises a knowledge repository and a query engine. The knowledge repository includes a knowledge graph of nodes connected by edges. The nodes represent concepts relating to home devices and their operation and faults, and the edges represent relations between the concepts. The query engine receives requests relating to home devices, queries the knowledge graph based on the requests, and returns responses based on the query results.
Computer monitoring system, apparatus and method for monitoring appliance operation
A system and method to monitor individual appliance performance. A monitor module is provided for aggregating data from a plurality of appliances wherein the module includes. Included in the monitor device is a gateway device configured to capture operational data relating to each of the plurality of appliances and an analyzing device configured to determine individual operational characteristics for each of the appliances from analysis of the captured operational data. A notification device is further provided which is configured to provide information to a user regarding the determined operational characteristics for each of the appliances.
Data transmission system, management device, non-transitory recording medium recording data transmission program, and data transmission method
A management device that transmits data to a plurality of terminal devices by way of communication relay devices on a connected communication network and controls the plurality of terminal devices includes a transmission data storage section and a communication control section. The transmission data storage section stores transmission data. The communication control section controls communication with the terminal devices. The communication control section issues start notification of data transmission in one-to-one communication to each terminal device that is a transmission target of the terminal devices, and receives a response from the terminal device in response to the start notification, starts transmission of the transmission data in one-to-multiple communication after the start notification, and issues, after completion of the transmission of the transmission data, a transmission request of a reception status of the transmission data in one-to-one communication to a terminal device that has responded to the start notification.
Network conference management and arbitration via voice-capturing devices
Systems and methods are provided for managing a conference call with multiple voice-enabled and voice-capturing devices, such as smart speakers. Reproduced, duplicate voice commands can cause unexpected results in a conference call. The voice commands can be determined to be received from the same conference call. A voice command for a particular voice-enabled device can be selected based on an energy level of an audio signal, event data, time data, and/or user identification.
Operating system supporting cost aware applications
A mobile computing device that supports cost-aware application components for operation over a metered network. A current basis for computing usage charges over one or more networks may be made available to the cost-aware application components through an application programming interface supported by an operating system service. That service may receive a policy for charging for data usage over a network and may also obtain information defining data usage for the mobile computing device. Based on this information, the service may determine a current basis for charging for data usage. With this information, the application component can determine a manner for executing network operations that involve data transmission over the network, such as deferring the operation or selecting an alternative network.
RFID tag for secure access to a service from an access terminal
The invention relates to an RFID tag adapted to access a service of interest from an access terminal, said RFID tag (1) comprising an integrated circuit (3) configured to: enable a cryptographic authentication of the RFID tag (1) by said access terminal (7) using a current cryptography key shared by the RFID tag (1) and the access terminal (7), said authentication allowing access to said service of interest, and enable the RFID tag (1) to recover a new current cryptography key updated by an NFC smartphone after said NFC smartphone has authenticated the RFID tag (1), using an initial cryptography key previously shared between the RFID tag (1) and said smartphone.
Cryptographic methods and systems for managing digital certificates
Pseudonym digital certificates (160p) are generated for devices (110/150) by a Pseudonym Certificate Authority (PCA), which communicates with devices via another entity—registration authority (RA)—so that the PCA and RA cannot associate certificates with devices. Each certificate is associated with a public signature key, and with a public encryption key used by PCA to encrypt the certificate to hide it from the RA. Both keys are derived by PCA from a single key. For example, the signature key can be derived from the public encryption key rather than generated independently. However, high security is obtained even when the PCA does not sign the encrypted certificate. Reduced bandwidth and computational costs are obtained as a result. Other embodiments are also provided.
Cryptographic protection for trusted operating systems
This disclosure is directed to cryptographic protection for trusted operating systems. In general, a device may comprise for example, at least processing circuitry and memory circuitry. The device may be virtualized in that the processing circuitry may load virtual machines (VMs) and a virtual machine manager (VMM) into the memory circuitry during operation. At least one of the VMs may operate as a trusted execution environment (TEE) including a trusted operating system (TOS). The processing circuitry may comprise encryption circuitry to cryptographically protect the TOS. For example, the VMM may determine a first memory range in which the TOS will be loaded and store data regarding the first memory range in a register within the encryption circuitry. The register configures the encryption circuitry to cryptographically protect the TOS.
A method for message management is disclosed. The method includes: deriving, by a first subscriber node (SN), a secret value associated with a publisher node (PN); generating, by the first SN, a first expected sequence number using a one-way function and the secret value; receiving, by the first SN, a first publisher message generated by the PN and including a first sequence number; validating, by the first SN, the first publisher message by comparing the first sequence number with the first expected sequence number; processing, by the first SN, a payload of the first publisher message in response to the first sequence number and the first expected sequence number matching; and generating, by the first SN node, a second expected sequence number using the one-way function, the first sequence number, and the secret value.
Efficient cryptographically secure control flow integrity protection
Embodiments include a computing processor control flow enforcement system including a processor, a block cipher encryption circuit, and an exclusive-OR (XOR) circuit. The control flow enforcement system uses a block cipher encryption to authenticate a return address when returning from a call or interrupt. The block cipher encryption circuit executes a block cipher encryption on a first number including an identifier to produce a first encrypted result and executes a block cipher encryption on a second number including a return address and a stack location pointer to produce a second encrypted result. The XOR circuit performs an XOR operation on the first encrypted result and the second encrypted result to produce a message authentication code tag.
Electronic generation device
An electronic generation device arranged to generate parameters for digital obfuscated arithmetic including a prime number unit arranged to generate a prime modulus (p) and a base element unit arranged to generate a prime modulus and a base element such that each ring-element modulo the prime modulus may be expressed as a difference between two powers of the potential base element.
Sub-rate phase interpolator based clock data recovery architecture with phase skew correction
A sub-rate (such as half-rate I and Q) phase-interpolator based CDR architecture is configured to receive serial data signals and multiple sub-rate clock signals (such as generated by a VCO either integrated or external). The CDR includes multiple phase interpolators to generate, from respective sub-rate clock signals, respective PI (phase-interpolated) sub-rate clock signals. A CDR loop is configured to receive the input data and the PI sub-rate clock signals, and to generate multiple PI control signals, each to control a respective phase interpolator to align the PI sub-rate clock signals to the data edges. A skew-correction loop includes skew detection circuitry to generate a skew error signal from the PI sub-rate clock signals corresponding to a skew error between the PI sub-rate clock signals, and skew-correction offset circuitry to generate, from the skew error signal, a skew-correction offset signal to modify a selected PI control signal.
Communications method and device for multi-carrier aggregation
A communications method and device for multi-carrier aggregation, where the method includes: grouping by a base station, N serving cells into K cell groups, where N is an integer greater than zero, and K is an integer less than N, sending, by the base station, a cell grouping message to user equipment (UE), where the cell grouping message indicates that the N serving cells are grouped into the K cell groups, and communicating, by the base station, with the UE according to the K cell groups. Hence, signaling overheads can be reduced.
Method and apparatus for dispatching a channel quality indicator feedback in multicarrier system
In accordance with one or more aspects and corresponding disclosure thereof, various aspects are described in connection with channel state information (CSI) for a plurality of downlink carriers. In providing the CSI from a user equipment (UE), respective CSI reports may be determined for the plurality of downlink carriers. The respective CSI reports may be scheduled to be conveyed on a plurality of uplink carriers in a subframe. A determination may be made as to whether the UE is power limited for that subframe. Based at least in part on the determination, the respective CSI reports may be transmitted on the plurality of uplink carriers in the subframe, or transmitted on a subset of the plurality of uplink carriers in the subframe, or dropped.
Communication device and communication system for handling communication error of superimposed signal
Provided is a highly convenient communication device capable of detecting a communication error caused by an abnormality of a state of communication. A communication device capable of mutually communicating with an electrical device includes: a superimposed signal receiving unit that periodically receives a data signal related to the electrical device as a signal superimposed on an operation signal; a period determination unit that determines whether or not a communication error of the data signal detected by the superimposed signal receiving unit is able to be regarded as having occurred in a transition period of a value of the operation signal; and a state determination unit that determines a state of communication with the electrical device in accordance with the determination by the period determination unit.
Optical transmission system, optical transmission apparatus, and optical reception apparatus
An optical transmission system includes an optical transmission apparatus and an optical reception apparatus. The optical transmission apparatus includes a conversion unit that converts multiple binary data sequences into data in a predetermined signal format; a coding unit that generates multiple pieces of coded data by performing predetermined coding on each of the multiple pieces of converted data; an optical signal generation unit that generates multiple optical signals by converting the multiple pieces of coded data into optical signals; and a mode multiplexer that converts the multiple optical signals into different modes, generates a mode-division multiplexed optical signal by mode-division multiplexing the optical signals, and transmits the generated mode-division multiplexed optical signal to the optical reception apparatus. The optical reception apparatus includes a mode demultiplexer that demultiplexes the mode-division multiplexed optical signal transmitted from the optical transmission apparatus into light in different modes; a photoelectric conversion unit that converts the light in the multiple different modes into electrical signals; an analog/digital conversion unit that converts the multiple electrical signals into coded data; and an MIMO equalization processing unit that performs MIMO equalization processing on the converted coded data.
Intranodal ROADM fiber management apparatuses, systems, and methods
An intranodal reconfigurable optical add/drop multiplexer (ROADM) fiber management apparatus, and a system employing the apparatus. The apparatus comprises a plurality of ingress optical ports, a plurality of egress optical ports, and a plurality of optical interconnections interposed between ones of the plurality of ingress optical ports and ones of the plurality of egress optical ports. Each of the plurality of ingress optical ports corresponds to one of the plurality of egress optical ports. Each one of the plurality of ingress optical ports is optically coupled by way of the optical interconnections to at least one of the plurality of egress optical ports. Each one of the plurality of egress optical ports is optically coupled by way of the optical interconnections to at least one of the plurality of ingress optical ports.
Logical control seams in optical networks to improve restoration speed or timing for capacity adds
Systems and methods include, in a controller, responsive to a request to add one or more channels to a path in an optical network which has in-service channels, determining a plurality of logical control seams to split the path, wherein the path includes a plurality of optical sections and each logical control seam has a boundary at an associated optical section; determining controller speed for each of the plurality of logical control seams based on corresponding optical margin; and performing, for each of the plurality of logical control seams, control at the determined controller speed to add the one or more channels with the in-service channels.
Synchronization signal transmission method for D2D communication in wireless communication system, and device therefor
The present invention relates to a method and a device for transmitting a device-to-device (D2D) synchronization signal of a first terminal in a wireless communication system. More specifically, the method comprises the steps of: setting at least one candidate value for a D2D synchronization signal period; and determining a D2D synchronization signal period for transmitting/receiving a D2D signal to/from a second terminal from among the at least one candidate value.
Integrating audio content with additional digital content
Systems and methods for integrating audio content presented via an audio playback device with additional digital content are provided herein. The system includes a content retriever configured to retrieve the audio content from a terrestrial radio station, and retrieve the additional digital content from an Internet streaming channel, the terrestrial radio station and the Internet streaming channel being associated with an audio program; and being configured to output the additional digital content. Further included herein is a method for delaying a delivery of additional audio content.
Method and device for providing coordinated communication of plurality of base stations in communication system to which beamforming is applied
The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. The present disclosure relates to a method for providing coordinated communication of a plurality of base stations, comprising the steps of: determining an interference value for each beam in a serving base station on the basis of interference signals received from neighboring base stations and transmitting the interference value for each beam to the neighboring base stations; determining a wireless resource and a beam for the coordinated communication by using the interference value for each beam and transmitting allocation information of the determined wireless resource and beam to the neighboring base stations; and determining a terminal, which will use the wireless resource and beam in a time period prior to a time period in which the coordinated communication is performed.
Active antenna device and test method therefor
Disclosed are an active antenna device and a test method therefor, for resolving the problem that existing large-scale active antennae cannot be tested by using a traditional test method due to no traditional antenna connectors. The active antenna device comprises: a transceiver array, a radio frequency calibration and test distribution network unit, an antenna passive distribution network unit, an antenna array, and S test connectors, wherein the radio frequency calibration and test distribution network unit is connected to the transceiver array through N data channels and M calibration channels respectively and is connected to the test connectors, and the antenna passive distribution network unit is connected to the radio frequency calibration and test distribution network unit through N data channels and is connected to the antenna array through P data channels, N being a positive integer greater than or equal to 1, M being a positive integer greater than or equal to 1, P being a positive integer greater than or equal to 1, and S being a positive integer greater than or equal to 1.
Reducing wireless interference from a wired digital interface
Circuits and systems may be operable to provide improved wireless networking performance in the presence of a high speed wired interface. Filter circuits may be applied to wired interface leads to suppress frequency content that may interfere with wireless home networking. High speed digital wired interface systems on a chip may similarly be altered to suppress interfering frequency content before it leaves the chip. Systems with reduced radiated energy from wired interface circuits in frequencies of interest to wireless networking have improved wireless range and throughput characteristics.
Device and method for time division duplex and frequency duplex carrier aggregation in wireless communication system
An apparatus and a method for a carrier aggregation (CA) operation using a Frequency Division Duplex (FDD) carrier and a Time Division Duplex (TDD) carrier in a wireless communication system are provided. The method includes receiving downlink signals via downlink FDD TDD CA using a first carrier operated in an FDD mode and a second carrier operated in a TDD mode and transmitting, via the first carrier, uplink signals corresponding to the downlink signals received via the first and second carriers.
Control device, electronic device, and control method
The present invention suppresses a deterioration of transmission performance and reduces an adverse effect on health of a user, irrespective of the kind of selected antennas. A control section includes antenna selecting section configured so that in a case where a plurality of signals are simultaneously transmitted and where a mobile communication terminal is in a certain use state, the antenna selecting section selects at least one of a first antenna through a fourth antenna so that a distribution range of power densities or of specific absorption rates have no overlapping portion or have an overlapping portion equal to or less than a certain range.
Beamforming architecture for scalable radio-frequency front end
An apparatus and a method for configuring antenna arrays for scalable radio frequency (RF) architecture are disclosed. A subset of antenna arrays are grouped into K groups and a receive or transmit weight vector is applied to each of the antenna arrays in each of the K groups. A channel response is measured for each of the antenna in the K groups. The response is summed for each group and complex scaling factors are calculated based on the summed response. Based on the scaling factors the antenna weight vectors are updated and the updated weight vectors are applied to the antenna arrays. The steps of grouping the antennas and refining the weight vectors are performed till the antenna weight vectors reach a steady point, i.e. the current antenna weight does not improve the beamforming gain by a predetermined threshold in comparison to the previous antenna weight.
Method and apparatus to CSI reporting using multiple antenna panels in advanced wireless communication systems
A user equipment (UE) for channel state information (CSI) feedback is provided. The UE comprises a transceiver configured to receive, from a base station (BS), configuration information for the CSI feedback, the configuration information indicating a number of antenna panels (Ng) at the BS and a codebook mode, wherein Ng>1 and each of the antenna panels comprises antenna ports with a first polarization (P1) and antenna ports with a second polarization (P2). The UE further comprises a processor operably connected to the transceiver, the processor configured to identify the number of antenna panels (Ng) at the BS, identify a codebook for the CSI feedback based on the codebook mode configured between a first codebook mode and a second codebook mode, and generate the CSI feedback using the identified codebook. The transceiver is further configured to transmit the generated CSI feedback to the BS.
Coordinated transmission method based on beam division multiple access and apparatus performing the same
A coordinated transmission method based on beam division multiple access and an apparatus performing the same are disclosed. The coordinated transmission method in a beam division multiple access environment, which divides a service target region into a plurality of beam sectors through a plurality of antenna arrays having at least one of a pattern characteristic and a polarization characteristic, includes receiving a coordination request from a user terminal located in the service target region and performing any one among a macro diversity operation, a coordinated silence operation, and a coordinated beamforming operation for the user terminal based on an interference level included in the coordination request.
Hybrid beam forming-based open-loop MIMO transmission method and apparatus therefor
A method for a transmitter of a mobile communication system transmitting and receiving signals according to an embodiment of the present specification comprises the steps of: transmitting to a receiver system information for transmitting a signal to the receiver including a connection between a wireless resource and a transmitting antenna; transmitting a reference signal to the receiver based on the system information; and receiving from the receiver feedback information generated based on the reference signal. According to an embodiment of the present specification, in a beamforming transmission method of a mobile communication system, a transmitter can determine whether to perform digital pre-coding without advance information from a receiver and can consequently perform a transmission, and can thereby perform lower-overhead and efficient signal transmission/reception.
Multiple resource unit allocation for OFDMA WLAN
Systems, methods, and instrumentalities are disclosed for multiple resource unit (RU) allocation for OFDMA WLAN. A transmitter may parse an encoded bit stream into a plurality of spatial streams. The transmitter may determine an allocation of encoded bits of the plurality of spatial streams to a plurality of interleavers. The transmitter may allocate the encoded bits to the plurality of interleavers based on the determined allocation. The allocation of the encoded bits may be determined based on one or more of channel related feedback, an RU configuration associated with the transmission, a quality of service (QoS), and/or traffic priorities. The transmitter may interleave the encoded bits using the plurality of interleavers. The transmitter may combine the interleaved encoded bits from the plurality of interleavers into a sequenced bit stream.
Overlapping cluster architecture for coordinated multipoint (CoMP)
Techniques for overlapping cluster architecture for coordinated multipoint (CoMP) are provided. According to certain aspects, a method of wireless communication by a transmission point is provided. The method generally includes receiving, from a first base station, a first signal for a first user equipment (UE) to transmit over the air, receiving, from a second base station, a second signal for a second UE to transmit over the air, and combining the first and the second signals from the first and second base stations and transmitting the combined signal to the first and second UE.
Apparatus and method for exchanging signaling information in comp
The present invention is related to an apparatus and method for signaling information exchanging in CoMP (Coordinated Multi-Point). According to an embodiment of the present invention, in a method for signaling information exchanging, a service TP (Transmission Point) and at least one neighboring TP provide the CoMP to at least one UE (User Equipment). The method comprises receiving by the service TP a precoder feedback from at least one UE, wherein the precoder is specific to one of the least one neighboring TP. The service TP decides if the precoder should be sent to the specific neighboring TP. If affirmative, the service TP compresses an indicator indicating the precoder and sends the compressed indicator to the specific neighboring TP.
Wireless power transmission apparatus and method therefor
The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.
Method for signal transmission via an electrical power transmission pathway, and signal transmission system using the same
A signal transmission system includes: a switch component, a first choke component, a first conductive path and a second choke component that are connected in series between a power wire and a load; a third choke component and a resonant circuit that are connected in series between another power wire and a common node of the switch component and the first choke component; a second conductive path connected between the load and a common node of the third choke component and the resonant circuit; and a control block. Under control of the control block, a magnetic core of each choke component reaches magnetic saturation when the switch component does not conduct, and operates at magnetic saturation when the switch component conducts.
Complementary metal oxide semiconductor differential antenna transmit-receive switches with power combining circuitry for orthogonal frequency-division multiplexing systems
A radio frequency (RF) transmit-receive switch has an antenna port, first and second transmit differential ports and first and second receive differential ports. Transmit transistor switches are connected to the transmit differential ports. Primary and secondary windings of a transmit coupled inductor transformer are connected to the transmit transistor switches. Receive transistor switches are connected to the receive differential ports. Primary and secondary windings of a receive coupled inductor transformer are connected to the receive transistor switches. A first balun inductive winding is connected to the antenna port, and a second balun inductive winding is connected to the transistor switches.
Transmit-receive switch with integrated power detection
An apparatus includes a plurality of impedance matching networks, a common port, a first switch circuit and a second switch circuit. The impedance matching networks may be (i) connected in series between an input port and an output port and (ii) configured to generate a power detection signal in response to a radio-frequency signal. The radio-frequency signal may be a transmit signal or a receive signal. The common port may be (i) connected to the impedance matching networks and (ii) connectable to an antenna. The first switch circuit may be configured to switch the input port and a circuit ground potential. The second switch circuit may be configured to switch the output port and the circuit ground potential.
Signal coupling device and method for operating a signal coupling device
A method operates a signal coupling device. The signal coupling device contains at least one signal branch section which is or can be connected to a terminal-side interface of the signal coupling device using signaling. At least one signal property of a signal applied to the at least one signal branch section is determined. A signal type is determined on the basis of the at least one signal property. A time duplexing signal or a frequency duplexing signal is determined as the signal type. A signal-type-specific connection is established between the terminal-side interface and an antenna-side interface of the signal coupling device.
Method and communication node for broadband distribution
Aspects of the subject disclosure may include, for example, a communication node having a modem that receives first data streams from a source communication node via a first plurality of twisted pair transmission lines. A multiplexer selects a first subset of the first data streams and a second subset of the first data streams. A wireless transceiver wirelessly transmits the first subset of the first data streams as radio frequency signals via an antenna to at least one device. A distribution point unit transmits the second subset of the first data streams on a second plurality of twisted pair transmission lines to a destination communication node of a distributed antenna system.
Dynamic antenna matching system and method
An antenna matching system includes an electronically tunable antenna matching circuit, a first directional coupler, a first gain and phase detector, a second directional coupler, a second gain and phase detector, and a controller. The first directional coupler is configured to receive forward and reflected signals. The first gain and phase detector is configured to output a first magnitude measurement and a first phase measurement based on the signals received at the first directional coupler. The second directional coupler is also configured to receive the forward and reflected signals. The second gain and phase detector is configured to output a second magnitude measurement based on the signals received at the second directional coupler. The controller is configured to: determine circuit parameters based on the first magnitude and phase measurements; tune the matching circuit based on the circuit parameters; and check for phase error based on the second magnitude measurement.
Interface for efficient usage of communication circuitry
Communication circuitry having efficient utilization of transceiver and channel resources is described. The communication circuitry may dynamically reallocate transceiver resources assigned to protocol circuitry, such that it becomes available for other circuitry or for the interface of the transceiver circuitry. Multiplexers of the transceiver circuitry may be used in the reallocation of resources.
ECC and raid-type decoding
A device includes a memory and a controller coupled to the memory. The controller is configured to read a codeword from a physical location of the memory. The controller is configured to write an inverse bit string to the physical location of the memory, the inverse bit string based on the codeword. The controller is configured to read a representation of the inverse bit string from the physical location of the memory. The controller is further configured to designate one or more bits of the codeword as one or more erased bits based on the codeword and the representation of the inverse bit string.
Serializer/deserializer physical layer circuit
Disclosed is a Serializer/Deserializer physical layer circuit (SerDes PHY) for receiving and transmitting data in a half-duplex manner, the SerDes PHY including: a clock multiplication unit including a phase frequency detector (PFD), a charge pump (CP), a low pass filter, a voltage-controlled oscillator (VCO) and a loop divider; a sampling circuit sampling a received signal according to clocks from the VCO in a receive mode; a phase detector (PD) operating according to outputs of the sampling circuit; a multiplexer connecting the PD with the CP and disconnecting the PFD from the CP in the receive mode, and connecting the PFD with the CP and disconnecting the PD from the CP in a transmission mode; a parallel-to-serial converter converting parallel data into serial data according a clock from the VCO in the transmission mode; and a transmission driver outputting a transmission signal according to the serial data in the transmission mode.
Memory device processing
An example apparatus includes a memory device comprising a plurality of banks of memory cells. A particular bank of memory cells among the plurality of banks includes a system processor resident on a particular bank of the plurality of banks.
Edge detector circuit and method
An edge detector includes an output node selectively coupled to a first voltage node through a first transistor, the first voltage node having a first voltage level, and a second transistor configured to continuously couple the output node to a second voltage node having a second voltage level. A capacitor includes a first terminal coupled to a gate of the first transistor and a second terminal configured to receive an input signal.
High-speed MOSFET and IGBT gate driver
A gate driver integrated circuit drives an output signal onto its output terminal and onto the gate of a power transistor. In a turn-on episode, a digital input signal transitions to a digital logic high level. In response, the gate driver integrated circuit couples the output terminal to a positive supply voltage terminal, thereby driving a positive voltage onto the gate of the power transistor. In response to a high-to-low transition of the digital input signal, the driver drives a negative voltage onto the output terminal and power transistor gate for a short self-timed period of time, and then couples the output terminal to a ground terminal, thereby driving the output terminal and power transistor gate up to ground potential. The output terminal and power transistor gate are then held at ground potential in anticipation of the next turn-on episode of the power transistor.
Apparatus and methods for leakage current reduction in integrated circuits
This disclosure relates to leakage current reduction in integrated circuits (ICs). In one aspect, an IC can include a digital logic circuit and a polarization circuit. The digital logic circuit can have a plurality of inputs and can include a plurality of logic gates. The polarization circuit can receive a standby signal and a digital input signal comprising a plurality of bits. When the standby signal is deactivated, the polarization circuit can control the plurality of inputs of the digital logic circuit based on the digital input signal. However, when the standby signal is activated the polarization circuit can control the plurality of inputs of the digital logic circuit to a low power state associated with a smaller leakage current of the plurality of logic gates relative to at least one other state of the digital logic circuit.
Power on reset circuit
A power on reset circuit includes a bias current generation module for generating a bias current, a power on reset module for generating a power on reset voltage signal, and a feedback latch module, which are electrically connected in sequence. The power on reset module includes two series switches capable of being turned on or off to adjust the bias current to further adjust the power on reset time. The feedback latch module is used for latching the power on reset voltage signal to restrain the jitter of the power voltage within the input voltage range VIL-VIH of inverters in the power on stage and to avoid jump of the signal. The feedback latch module comprises a feedback branch, which is formed by two NMOS transistors in series connection and achieves rapider and stable output of the power on reset voltage signal through feedback of the signal.
Charge-saving power-gate apparatus and method
A power-gate circuit includes a power-gate transistor operable to switch to decouple a first supply voltage from a second supply voltage during an idle mode, and to couple the first supply voltage to the second supply voltage during a full operational mode. Part of the charge stored at a gate terminal of the power-gate transistor, would have been otherwise flushed to ground while turning on the power-gate transistor, is routed to the rail of the second supply voltage of the logic block. Part of the charge on the rail of the second supply voltage is used to charge the gate terminal of the power-gate transistor to deactivate the power-gate transistor if the logic block goes to the idle mode. Energy is saved both ways because of the charge recycling and the ability to use the power-gate circuit even in cases where the duration of the idle mode may be short.
In examples, an integrated circuit package comprises a pin exposed externally to the package; at least one resistor coupled to the pin at a first end of the resistor; a first transistor coupled to the at least one resistor at a second end of the resistor and coupled to a voltage source; a second transistor coupled to the at least one resistor at the second end of the resistor and coupled to a ground connection, the at least one resistor and the first and second transistors couple at a first node, the first and second transistors are of different types; and multiple comparators, each of the multiple comparators coupled to a voltage divider network and to the pin.
Short pulse generating circuit
A short pulse generating circuit including a pulse generating circuit, an actuation control circuit and a delay control circuit is provided. The pulse generating circuit is electrically coupled to a switch, which is coupled to a power. When the power is turned on, the power causes the pulse generating circuit to generate a long pulse. The actuation control circuit is electrically coupled to the power and the pulse generating circuit. When the power is turned on, the actuation control circuit controls a voltage level of each output of the pulse generating circuit to a fixed value. The delay control circuit is electrically coupled to the pulse generating circuit. When the switch is turned on, the power controls the delay control circuit to change the voltage level of each output of the pulse generating circuit to generate a short pulse output.
Elastic wave element, filter element, and communication device
An elastic wave element having a piezoelectric substrate equipped with a first main surface, and an excitation electrode arranged on the first main surface and having multiple electrode fingers, wherein, in a cross-sectional view in the direction orthogonal to the first main surface, the width of the electrode fingers at a first height at a distance from the first main surface is greater than the width at a second height located closest to the first main surface.
Transmission-line-based impedance transformer with coupled sections
A transmission-line-based impedance transformer including first and second couplers, with each coupler including respective pairs of coupled signal conductors. The signal conductors are connected sequentially in series between an input port and an output port and may form a single spiral configuration. A signal conductor of one coupler may be connected in series between the two signal conductors of another coupler. The couplers have characteristic impedances between an input impedance and an output impedance. A signal conductor of a coupler may include first and second conductor portions disposed in respective spaced-apart parallel planes, with the other signal conductor of the coupler disposed physically directly between the first and second conductor portions. A transmission-line signal conductor in the spiral may be shielded from coupled signal conductors by ground conductors disposed in respective spaced-apart parallel planes on opposite sides of the shielded signal conductor.
Signal channel for reducing crosstalk noise, module substrate and memory module including the same
A signal channel includes at least one first signal line positioned in a first signal layer and at least one second signal line positioned in a second signal layer. The first signal layer extends in a first horizontal direction. The second signal layer extends along a second horizontal plane parallel to the first horizontal plane and spaced apart from the first horizontal plane along a vertical direction orthogonal to the first and second horizontal planes. The first signal line includes a first coupling segment and the second signal line includes a second coupling segment. The first coupling segment at least partially overlaps the second coupling segment along the vertical direction. The first and second coupling segments are positioned to form a greater degree of capacitive coupling between the first and second coupling segments than a degree of capacitive coupling formed between other segments of the first and second signal lines.
Power amplifier module using phase-change material (PCM) radio frequency (RF) switches and selectable matching networks
A power stage includes a power stage amplifier, selectable matching networks, and phase-change material (PCM) radio frequency (RF) switches. Each of the PCM RF switches includes a heating element transverse to a PCM, the heating element approximately defining an active segment of the PCM. A power stage amplifier output is connected to the PCM RF switches. Each of the PCM RF switches is connected to one of the selectable matching networks. A power stage amplifier output is coupled to or decoupled from one of the selectable matching networks by one of the PCM RF switches. In one approach, the power stage is included in a power amplifier module of a communications device. The power amplifier module further includes a bias and match controller that biases the power stage amplifier, and that uses one of the PCM RF switches to couple or decouple the power stage amplifier output.
Circuit and a method for operating a circuit
A circuit containing a first cascode circuit and a second cascode circuit is proposed. The first circuit and the second cascode circuit are stacked between two power supply terminals. An output signal terminal of the circuit is coupled to a node connecting the first cascode circuit and the second cascode circuit. A first signal path is provided between the first cascode circuit and a common ground terminal and a second signal path is provided between the second cascode circuit and the common ground terminal.
Crystal driver circuit with external oscillation signal amplitude control
A crystal driver integrated circuit with external oscillation signal amplitude control including an amplifier core, an input pin and an output pin, an adjustable capacitor, and a controller. The controller operates the amplifier core in any one of multiple operating modes including an oscillator mode and a bypass mode. During the bypass mode, the controller disables the amplifier core and adjusts the adjustable capacitor so that an amplitude of an oscillation signal received via the input pin from an external oscillator has a target amplitude. The external oscillation signal may be capacitively coupled for capacitive voltage division or directly coupled for impedance attenuation. An available voltage may be provided as a source voltage to the external oscillator via the output pin. An internal voltage regulator and/or switch may be included to re-provision the output pin to provide the source voltage during the bypass mode.
Carrier apparatus with C-profile module carrier for solar modules
A carrier apparatus for solar modules has a post, a crossmember profile mounted on the post, a C-profile module carrier with two profile flanges and a profile crosspiece connecting the two flanges and, in the profile crosspiece, a drilled hole for accommodating fastening means, and a connecting adapter, with a central crosspiece with a drilled hole and two legs arranged opposite one another in each case laterally on the central crosspiece and each has a main body in the form of a right-angled triangle, with the first cathetus fastened on the central crosspiece and on the second cathetus of which the main body opens out into a connecting extension with a drilled hole for accommodating fastening means, the connecting adapter fastenable on the crossmember profile via the connecting extension drilled hole, and fastenable on the C-profile module carrier via the central crosspiece drilled hole.
Frame-mounted wire management device
A wire management device is disclosed. The device comprises a clip comprising an upper planar member and a lower planar member, each planar member having an inner and outer surface, wherein the inner surface of the upper planar member includes a post extending toward the inner surface of the lower planar member, a stem extending from the outer surface of the lower planar member, the stem including two outwardly-extending flanges, each of the first and second outwardly-extending flanges including an edge portion extending toward the outer surface of the lower planar member, and a transverse passage extending along the outer surface of the lower planar member, the transverse passage extending across the stem, wherein the stem has a recessed portion along the transverse passage.
Clip-on mounting rails, mounting brackets, and methods of mounting solar modules
A snap-on mounting bracket assembly suitable for connecting a mounting rail to a torque tube is provided. The mounting bracket assembly includes an upper clamp piece and a lower clamp piece. The upper clamp piece has a first member defining a tube insertion aperture and an open bottom space and includes an upper partial fastener. The lower clamp piece has a second member with a lower partial fastener configured to mate with the upper partial fastener such that the lower clamp piece is attachable to the upper clamp piece. In exemplary embodiments, the lower clamp piece further comprises two opposing support members configured to attach to the mounting rail. Solar tracker assemblies incorporating snap-on open mounting brackets are provided. Methods of mounting framed or unframed solar modules are also described. A mounting rail is attached to an upper clamp piece of a mounting assembly. Then the upper clamp piece is snapped onto a torque tube. A lower clamp piece of the mounting assembly is then attached to the upper clamp piece by mating a lower partial fastener of the lower clamp piece with an upper partial fastener of the upper clamp piece. When the upper and lower clamp pieces are attached, the open bottom space is closed and the mounting rail is secured to the torque tube.
Satellite modular power supply
Various enhanced power supply configurations for satellite devices are discussed herein. In one example, satellite device includes a chassis and a power control module. The satellite device also includes an array of polygonal-shaped power units combined into a geometric arrangement by disposing the polygonal-shaped power units around the power control module within the chassis. In some examples, the polygonal-shaped power units comprise a rhomboid chassis or enclosure that provides arrangement into a hexagonal array when coupled to eight further rhomboid power units. Other polygonal arrays can be formed using arrangements of the repeating polygonal-shaped power units.
Power conversion apparatus
A power conversion apparatus having a converter, an inverter controlled by inverter controller, and an input power source fluctuation detecting and controlling circuit is proposed. The input power source fluctuation detecting and controlling circuit includes an input power source fluctuation detector and a converter failure detector to detect overcurrent and/or overvoltage of the converter. When both of the input power source fluctuation and the converter failure are detected, the converter is gate blocked, and the inverter continues its operation, and when the DC voltage become lower than a threshold voltage during the converter is gate blocking, the input power source fluctuation detecting and controlling circuit outputs an inverter control changeover flag to the inverter controller for switching a contents of inverter control.
Motor drive system
A power converter system comprising a power source; a plurality of voltage source converters for driving respective loads; the plurality of voltage converters connected to the power source via a common DC-link, control means (10a, 10b) for driving the voltage source converters by means of respective control signals modulated onto respective modulation carriers; and means for synchronizing the control means such that the respective modulation carriers are interleaved with a selected phase shift therebetween.
Ultrasonic motor, drive control system, optical apparatus, and vibrator
An ultrasonic motor includes an annular vibrator and an annular moving member that is brought into pressure-contact with the vibrator. The vibrator includes an annular vibrating plate and an annular piezoelectric element. The piezoelectric element includes an annular lead-free piezoelectric ceramic piece, a common electrode arranged on one surface of the piezoelectric ceramic piece, and a plurality of electrodes arranged on the other surface of the piezoelectric ceramic piece. The plurality of electrodes include two drive phase electrodes, one or more non-drive phase electrodes, and one or more detection phase electrodes. A second surface of the vibrating plate includes a plurality of groove regions extending radially, and the depths of the groove regions change in a circumferential direction along a curve obtained by superimposing one or more sine waves on one another. The ultrasonic motor exhibits a sufficient drive speed while suppressing generation of an unnecessary vibration wave.
Control of phase currents of an inverter
The invention relates to a method for controlling phase currents (iU_WR1, iv_WR1, iw_WR1) of a three-phase inverter (WR1), the phase currents (iU_WR1, iv_WR1, iw_WR1) of the inverter (WR1) being controlled by way of a direct hysteresis current control and a selected phase of the inverter (WR1) being additionally switched depending on a zero system current (i0_WR1) of the inverter (WR1).
Switching power source apparatus and direct-current power source apparatus
A switching power source apparatus includes: a synchronous rectifier switching element for synchronous rectification constituted of an insulated-gate field-effect transistor; and a secondary-side control circuit including a detector circuit and a timer circuit. The secondary-side control circuit performs ON/OFF control of the synchronous rectifier switching element. The detector circuit monitors a voltage of a drain terminal of the synchronous rectifier switching element, and detects an abnormal state in which the voltage of the drain terminal is undetectable. The timer circuit starts up and measures a predetermined time in response to the detector circuit detecting the abnormal state. When the detector circuit detects the abnormal state, and the predetermined time elapses according to the timer circuit, the secondary-side control circuit outputs a detection signal indicating an abnormality to outside.
Power supply device, semiconductor integrated circuit, and method for suppressing ripple component
A power supply device includes a voltage conversion circuit, a current controller and a current controlling circuit. The voltage conversion circuit generates a DC voltage from an AC power source and outputs the DC voltage to a pair of output terminals. The current controller is disposed on a first current path through which an output current flows and controls the current in the first current path. The current controlling circuit drives the current controller so as to reduce a ripple component generated in the output current, based on (i) a voltage at a first potential point set on a path from an output terminal at a high-potential side of the voltage conversion circuit to the current controller in the first current path and (ii) a current detecting voltage indicating the magnitude of the output current.
Systems and methods for driving a bipolar junction transistor by adjusting base current with time
System and method for driving a bipolar junction transistor for a power converter. The system includes a current generator configured to output a drive current signal to a bipolar junction transistor to adjust a primary current flowing through a primary winding of a power converter. The current generator is further configured to output the drive current signal to turn on the bipolar junction transistor during a first time period, a second time period, and a third time period, the second time period separating the first time period from the third time period, drive the bipolar junction transistor to operate in a hard-saturation region during the first time period and the second time period, and drive the bipolar junction transistor to operate in a quasi-saturation region during the third time period.
Current detecting circuit, current detecting device, and switching device
As paths for a current flowing through a conductor, a first current path through which a current flows from a first conductive portion to a second conductive portion, and a second current path through which a current flows from a third conductive portion to the second conductive portion are provided. Each of the first conductive portion, the second conductive portion, and the third conductive portion has a plate shape, a point P1 is located on a plate surface of the first conductive portion, and a point P2 is located on a plate surface of the second conductive portion. A current detecting circuit detects a value related to a potential difference between the points P1 and P2, and outputs a voltage value corresponding to a values of a current flowing through each of the first current path and the second current path.
Voltage conversion and charging from low bipolar input voltage
A circuit includes a transformer configured with a primary winding and a secondary winding that are driven from a voltage supplied by a thermoelectric generator (TEG). The circuit includes a bipolar startup stage (BSS) coupled to the transformer to generate an intermediate voltage. The BSS includes a first transistor device coupled in series with the primary winding of the transformer to form an oscillator circuit with an inductance of the secondary winding when the voltage supplied by the TEG is positive. A second transistor device coupled to the secondary winding of the transformer enables the oscillator circuit to oscillate when the voltage supplied by the TEG is negative. After startup, a flyback converter stage can be enabled from the intermediate voltage to generate a boosted regulated output voltage.
Virtual resistance gate driver
A vehicle includes an electric machine operated by an inverter. The electric machine includes a gate driver configured to energize a switch of the inverter with a pulse width modulation (PWM) signal. The gate driver is configured to delay the PWM signal by a dependent amount that is a function of a magnitude of current of a lead of the electric machine. The delay is responsive to a polarity of the current being positive.
Method for manufacturing a rotor of an electric rotary machine with permanent magnets inserted by force
A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets inserted in the housings, the housings being provided with a plurality of lugs for locking the permanent magnets in the housings.
Apparatus for manufacturing iron core for rotating electric machine
The apparatus for manufacturing an iron core for a dynamo-electric machine according to an embodiment of the present invention is provided with a rotary layering part for layering while rotating an iron core material punched from an electromagnetic steel sheet, a drive source for generating a drive force for rotating the rotary layering part, and a drive force transmission part for transmitting the drive force generated by the drive source to the rotary layering part. The drive force transmission part is configured from a plurality of gears arranged between the drive source and the rotary layering part. The rotary layering part is provided with a rotation position establishing means for establishing the rotation position of the rotary layering part.
Motor driving apparatus, method for controlling motor driving apparatus, inverter apparatus, and power apparatus
A motor driving apparatus includes a first module on which an inverter circuit configured to supply a driving current to a motor is mounted, a second module on which a control circuit configured to control the inverter circuit is mounted, and a third module on which a power circuit configured to supply direct-current (DC) power to at least one of the inverter circuit and the control circuit. The first module and the second module are attachable to and detachable from the third module.
Mounting structure and gear motor comprising same
A mounting structure includes at least one first hole formed in a first component of the gear motor, at least one second hole formed in a second component of the gear motor, arranged coaxially with the first hole, and at least one expansion member extending into the first and second holes. The expansion member has an interference fit with one of the first and second holes, and has a transition fit with the other of the first and second holes. The present invention can effectively prevent falling off of the expansion member, and reduce the assembly difficulties of the gear motor as well as the degree of deformation of the expansion member during the assembly process.
High speed motor drive
A system to provide power to a downhole-type tool includes a downhole-type electric motor that can be positioned in a wellbore and a variable speed drive electrically connected to the electric motor, in which the downhole-type electric motor can operate at rotary speeds of at least 6,000 rotations per minute (rpm), the variable speed drive can control and supply power to the electric motor when the electric motor is positioned at a downhole location inside the wellbore, and the variable speed drive can be at a surface of the wellbore.
Electric motor controller for high-moisture applications and method of manufacture
An electric motor control system and methods of manufacture are provided. The system includes a power supply module including a printed circuit board (PCB) and a plurality of power processing components configured to convert an input voltage into an output voltage. The system also includes a motor management module including an encapsulated, heat-sharing package for housing a plurality of moisture-sensitive driver components configured to convert the output voltage from the power supply module and provide output voltages for application to windings of the electric motor.
Control method for wireless power transfer apparatus considering interference in wireless powered communication networks, and wireless power transfer apparatus
Provided are a control method for a wireless power transfer apparatus considering interference in wireless powered communication networks, and a wireless power transfer apparatus. The control method of the wireless power transfer apparatus includes: performing, by at least one wireless power transfer apparatus, a distributed coordination function (DCF) based contention process with at least one wireless communication terminal; and transmitting, by the wireless power transfer apparatus which won in the DCF based contention process, an energy frame to the at least one wireless communication terminal.
Hybrid wired-wireless communication system for delivery of power from two or more sources to smart appliances
A communications system is described providing the ability to intelligently deliver electrical power from a first power source or from a second power source to a branch circuit in a facility, such as a home. Communications between a Smart Load Center (SLC) controller and the appliances is provided via a combination of signals sent over the electrical wiring and signals sent over the air. In particular, the signals over the electrical wiring serve to identify to which branch circuit the appliance is connected. The signals over the air support the communications between the appliances and the SLC controller, and may be part of a larger Internet-of-Things ecosystem dedicated to facilities automation services.
Load shedding in a guided surface wave power delivery system
Disclosed are various embodiments of load shedding techniques for a guided surface wave power delivery system. In one embodiment, among others, a guided surface waveguide probe is configured to transmit a guided surface wave along a lossy conducting medium; and a load shedding controller device is configured to send load shedding instructions to a plurality of user devices. The load shedding instructions regulate user device consumption of electrical energy provided by the guided surface wave amongst the plurality of user devices by spreading out activation and deactivation of load shedding conservations amongst the plurality of user devices.
Systems and method for controlling a transfer switch
An example system for controlling a transfer switch includes a power modulation circuit and a control module. When the power modulation circuit is coupled to a solenoid of a transfer switch, a first power supply, and a second power supply, the control module is configured to perform functions. The functions include sensing one or more operating conditions of the system and using the one or more operating conditions of the system as a basis to determine one or more control parameters. The functions also include controlling, according to the one or more control parameters, the power modulation circuit to cause the second power supply to provide a current through the solenoid, thereby operating the transfer switch to discontinue a conductive path between a load and the first power supply and create a conductive path between the load and the second power supply.
Power conversion system and connector
A power conversion system includes a power conversion device, a connector, and a processing module. The power conversion device is connected to a power system. The attached state and the unattached state of the connector relative to a connecting port that is provided in an apparatus having a battery mounted therein can be selected. The processing module is configured to determine that a malfunction has occurred when a voltage is applied to a portion that electrically connects the connector and the connecting port in a period in which transmission of electric power with respect to the battery is stopped.
The present invention realizes a relay device that can prevent malfunction due to occurrence of reverse flow of current in any of paths. A control unit that is provided in a relay device functions as a switching control unit, keeps an ON state of a first relay unit and a second relay unit if both of currents flowing through a first conduction path and a second conduction path flow in a normal direction (direction toward a load, and if the current flows in the reverse direction in one of the paths, switches one relay unit that is provided in a reverse flow path in which the current flows in a reverse direction to an OFF state.
Charging control apparatus, charging control method and computer readable medium thereof
A charging control method includes the following. (a) An electrical state of a battery set is obtained. (b) Whether the electrical state is greater than a first electrical state threshold is determined and charging control based on a first charging mode or a second charging mode on the battery set is performed accordingly. (c) During the charging control on the battery set, at least one temperature difference value is determined based on temperature values of the battery set at different times. (d) Whether the temperature difference value is greater than a first temperature difference threshold is determined and whether to temporarily stop or continue the charging is determined accordingly. (e) During the charging control on the battery set, the electrical state is obtained, and whether the electrical state satisfies a fully-charged criterion is determined and whether to stop or continue the charging control is determined accordingly.
Method for the electrochemical charging/discharging of a lithium-sulphur (Li—S) battery and device using the method
A process of charging or discharging a Li—S battery or cell is provided. A device for carrying out the process of charging or discharging the Li—S battery or cell is also provided. A process for manufacturing the Li—S battery is provided.
Battery charging method and apparatus
A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied.
A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.
E-cigarette and re-charging pack
A rechargeable pack is provided for containing and recharging an e-cigarette. The pack includes a pack battery; a first connector which is electrically connectable to an external power source; a first recharging mechanism for re-charging the pack battery using the external power source when the first connector is electrically connected to the external power source; a second connector which is electrically connectable to the e-cigarette when the e-cigarette is received within the pack; and a second recharging mechanism for re-charging the e-cigarette using the pack battery when the e-cigarette is electrically connected to the second connector. The second recharging mechanism can be configured to provide protection against the pack battery providing excessive current through the second connector.
Decorative and portable power charger with motion light
A compact, decorative portable charger is provided for charging an electronic device on-the-go. The portable charger has a charger housing having a rechargeable battery internally disposed therein for connecting to and recharging an electronic device, as necessary, via a power connection female port, a power connection male interface, and/or a wireless transmitter disposed within the charger housing. The internal rechargeable battery of the portable charger can be recharged via a power connection female port, a power connection male interface, and/or a wireless receiver disposed within the charger housing. The portable charger further includes a motion light triggered by a motion sensor, and an attachment mechanism whereby the portable charger can be used as a fashion accessory attached, for example, to a purse, bag, or article of clothing, readily accessible for use to recharge electronic devices.
Power storage system and power storage systems control method
A distribution board includes: a pack housing unit which houses a battery pack and includes a connecting unit; and a charge control unit. The battery pack includes a connecting terminal unit for charge and discharge of power and can supply power to the distribution board and another device different from the distribution board. The connecting unit is connectable to and disconnectable from the connecting terminal unit. The charge control unit converts AC power supplied from a power system into DC power, and supplies the DC power to the battery pack housed in the pack housing unit to charge the battery pack.
Device to be charged and charging method
The present disclosure provides a device to be charged and a charging method. The device to be charged includes: a charging interface; a first charging circuit, coupled with the charging interface, configured to receive an output voltage and an output current of an adapter via the charging interface and to directly apply the output voltage and the output current of the adapter to both ends of a plurality of battery cells coupled in series in the device to be charged, so as to perform a direct charging on the plurality of battery cells. With the present disclosure, heat generated in the charging process can be reduced while ensuring the charging speed.
Grid independent operation control unit, power conditioner, and grid independent operation control method
A grid independent operation control unit includes a load current estimator to estimate a load current supplied to stand-alone power system in accordance with an output current of the inverter and an output voltage, and a feedback controller configured to PWM control the inverter at a duty ratio feedback calculated to cause the inverter to output an output voltage command value in accordance with the output voltage and the load current. The feedback controller is configured to PWM control the inverter at a duty ratio feedback calculated for output of a normalized output voltage command value obtained by normalizing the output voltage command value with the DC bus voltage in accordance with normalized output voltage obtained by normalizing the output voltage with the DC bus voltage and normalized load current obtained by normalizing the load current with the DC bus voltage.
Reactive power overexcitation regulation technology for synchronous generator
A novel reactive power overexcitation regulation technology for synchronous generator, comprises measuring a stator voltage, a stator current, an active power and a reactive power of the synchronous generator; calculating the allowable upper limit value of the reactive power of the generator according to the allowable stator current of stator heating, and calculating the allowable value of the reactive power of the minimum stator current of the generator according to the contact reactance between the generator and the grid; comparing the stator current with its allowable value, calculate the excess calorific value of the stator of the generator if the calculated actual stator current is larger than its allowable value, enter reactive power overexcitation limiting regulation mode if the excess calorific value of the generator reaches the upper limit of the allowable heating margin of the generator; and using the larger value between the allowable upper limit value of the reactive power and the allowable value of the reactive power as the goal value of the reactive power regulation to maintain the output reactive power of the generator equal to the goal value. The present invention can protect the safety of the generator, and is beneficial to support the grid voltage to improve the stability of the power system performance.
Power supply device, detection circuit and power supply method thereof
A power supply device includes a power supply circuit, a detection circuit, and a control circuit. The power supply circuit is configured to output a supply voltage. The detection circuit is configured to sequentially provide a first predetermined resistance and a second predetermined resistance according to a plurality of switching signals, in order to operate with an electronic device and the supply voltage to sequentially obtain a first detection voltage and a second detection voltage. The control circuit is configured to generate the switching signals, and determine a load resistance of the electronic device according to the first detection voltage and the second detection voltage. The control circuit is further configured to determine whether the load resistance is within a predetermined resistance range, and the power supply circuit is further configured to drive the electronic device if the load resistance is within the predetermined resistance range.
Integrated optical detection for atomic clocks and sensors
A device for preparing an ensemble of laser-cooled atoms and measuring their population includes a laser and a set of reflecting surfaces. The laser is able to produce a laser beam. The set of reflecting surfaces disposed to direct the laser beam along a multi-dimensional beam path to intersect a central space multiple times from different directions and retroreflect the laser beam to retrace the multi-dimensional beam path. The central space is able to have an ensemble of atoms or molecules. The atoms or the molecules are able to be cooled along one or more dimensions by the laser beam sent along the multi-dimensional beam path and able to be detected in the central space by an effect upon the laser beam sent along the multi-dimensional beam path.
Architecture for compact cold atom clocks
An atomic oscillator device includes an atomic oscillator, a controlled oscillator, a resonance controller, and a cold-atom clock output. The atomic oscillator comprises a two-dimensional optical cooling region (2D OCR) for providing a source of atoms and a three-dimensional optical cooling region (3D OCR) for cooling and/or trapping the atoms emitted by the 2D OCR. The atomic oscillator comprises a microwave cavity surrounding the 3D OCR for exciting an atomic resonance. The controlled oscillator produces an output frequency. The resonance controller is for steering the output frequency of the controlled oscillator based on the output frequency and the atomic resonance as measured using an atomic resonance measurement. The cold-atom clock output is configured as being the output frequency of the controlled oscillator.
High power sub-400 femtosecond MOPA with solid-state power amplifier
Laser-apparatus includes a fiber-MOPA arranged to deliver amplified seed optical pulses having a wavelength of about 1043 nanometers to a multi-pass ytterbium-doped yttrium aluminum garnet solid-state optical amplifier for further amplification.
High-power, single-mode fiber sources
An optical apparatus includes one or more pump sources situated to provide laser pump light, and a gain fiber optically coupled to the one or more pump sources, the gain fiber including an actively doped core situated to produce an output beam, an inner cladding and outer cladding surrounding the doped core and situated to propagate pump light, and a polymer cladding surrounding the outer cladding and situated to guide a selected portion of the pump light coupled into the inner and outer claddings of the gain fiber. Methods of pumping a fiber sources include generating pump light from one or more pump sources, coupling the pump light into a glass inner cladding and a glass outer cladding of a gain fiber of the fiber source such that a portion of the pump light is guided by a polymer cladding surrounding the glass outer cladding, and generating a single-mode output beam from the gain fiber.
Electronic component package and electronic component device
An electronic component package includes: a metal plate; a metal wall that is disposed on the metal plate; a metal frame that is disposed on the metal plate so as to be opposed to the metal wall; a through hole that is formed in the metal wall; an opening hole that is formed in the metal frame so as to be opposed to the through hole; and a lead that is hermetically sealed with a sealing portion provided in the through hole, and that is inserted into the opening hole and the through hole. The metal frame includes: a side plate that is opposed to the metal wall; a bent portion that is connected to the side plate and has a round shape; and a welding portion that is connected to the bent portion and to which a lid member is to be bonded.
An electrical connector includes a contact leadframe of unitary construction including first contacts extending to second contacts via corresponding leads, and an overmolded contact module housing formed over the leadframe, forming a connector module. The connector further includes the housing embedding the leads and surrounding the first contacts, the second contacts extending from the housing. The connector further includes a first surface of the first contacts in contact with the housing, and an opposed second surface of the first contacts being exposed. The connector includes a plurality of connector modules positioned in an aligned arrangement.
Crimp tool having a receptacle element for receiving an electrical connector
A crimping tool for an electrical connector includes a frame defining an interior, a handle rotatably coupled with the frame, and a receptacle disposed within the interior of the frame and configured in size and shape to receive an electrical connector. The crimping tool further includes a push member, coupled with the handle, configured to apply a compressive force to an electrical connector disposed within the receptacle responsive to actuation of the handle relative to the frame and a blade coupled to the frame, to the receptacle, or to the push member, so as to be actuatable to cut excess wiring from an electrical connector disposed within the receptacle.
Frame assembly for coaxial cable connectors
A frame assembly for a compression tool, including a fitting configured to mount to the compression tool and receive a ram member thereof through a bore of the fitting; and a pair of interlocking jaws pivotally mounted to the fitting about a pair of non-coincident axes. The interlocking jaws are configured to at least partially envelop an annular compression ring while aligning the conductors of a coaxial cable with an axis of the cable connector. The ram member of the compression tool is activated to translate axially along the axis of the cable connector thereby mitigating misalignment of the compression ring as the ring engages the connector body.
Electrical supply system
An electrical supply system including: an extension module including a composite board having an anode layer and a cathode layer of an electrically conducting material, which anode layer and cathode layer are separated by an insulator of an electrically insulating material, the anode layer and the cathode layer each having a trench extending from a connection surface of the composite board and including a connection element, connector pins for the trenches of the extension module, each connector pin having a first complementary connection element for engaging the connection element of the trench of the composite board of a further extension module and a second complementary connection element for engaging the connection element of the trench of the composite board of the extension module, and a power supply capable of providing a constant voltage or a constant current between the anode layer and the cathode layer.
Electrical contact element for a bus element of a mounting rail bus system
An electrical contact element for a bus element of a mounting rail bus system includes: a contact body that extends in an areal manner along an extension plane; and at least one contact leg that is arranged on the contact body and extends along the extension plane. When measured perpendicularly to the extension plane, the contact body has a first thickness and the at least one contact leg has a second thickness that is smaller than the first thickness.
Selectively plated plastic part
An electrical connector including a housing and electrical conductor plating. The housing includes a first member and a second member. The first member is made of plastic and forms at least one first contact receiving channel therein. The second member is attached around the first member, and the first and second members form at least one second contact receiving channel therebetween. The electrical conductor plating is on the first member. The electrical conductor plating includes at least one first section along the at least one first contact receiving channel and at least one second section along an exterior side of the first member at the at least one second contact receiving channel. The first and second sections of the electrical conductor plating are electrically separate from one another.
Electrical device having an impedance control body
An electrical device includes an organizer having a dielectric body including an upper surface and a lower surface supporting ends of cables having signal wires and having conductors on the upper surface and on the lower surface being electrically connected to corresponding signal wires. The electrical device includes an impedance control body separate and discrete from the dielectric body and coupled to the dielectric body of the organizer. The impedance control body has an upper pad on the upper surface covering the conductors and signal wire on the upper surface and a lower pad on the lower surface covering the conductors and signal wires on the lower surface. The impedance control body has a connecting tab passing through a void in the organizer between the upper pad and the lower pad.
Connector and connector mounting structure
A connector (10) includes a connector pin portion to be electrically connected to a case (R), a tubular portion (11) for accommodating the connector pin portion to face a mating member, and first and second bracket holding portions (21, 22) extending from an end part of the tubular portion (11) opposite to a side facing the connector pin portion and to be engaged with a bracket (30). Each of the first and second bracket holding portions (21, 22) includes insertion grooves (23, 24) through which the bracket (30) is insertable, and two bracket holding portions are provided on a lower surface (11a) of the tubular portion (11), which is the end part opposite to the side facing the connector pin portion.
Plug connector and method for producing a plug connection
A plug connector comprises a first plug, a second plug, and a securing device configured to mechanically secure the first plug to the second plug. The second plug has a receptacle with a ramp surface and a locking surface. The securing device has a lever pivotably mounted on the first plug. The lever pivotably bears a connecting element which has a securing cam on a free end of the connecting element. The receptacle of the second plug receives the securing cam and the ramp surface of the receptacle cooperates with the free end of the connecting element to forcibly guide the securing cam behind the locking surface of the receptacle when the first plug and the second plug are plugged together.
Radial contact socket
The invention relates to an electric plug connector socket (1) comprising a cylindrical socket sleeve (2), wherein the socket sleeve (2) is formed with a receiving space (20) in which a cylindrical lamination cage (3) having a multiplicity of contact laminations (31) running in parallel is pushed, wherein the lamination cage (3) has a first and second end-side encircling collar web (32a, 32b), between which the contact laminations (31) run, characterized in that the lamination cage (3) is clamped and/or fastened at the one (first) end at least axially and preferably also non-rotatably in the socket sleeve (2), and an axial and rotatable plain bearing in relation to the socket sleeve (2) is provided at the other (second) opposite end.
Plug-in connector with a heat capacity element arranged on a contact element
A plug-in connector part for connection to a mating plug-in connector part includes: a housing which has a plug-in portion for plug-in connection to the plug-in connector part; at least one contact element, arranged in the plug-in portion and having a shaft portion, for electrically contacting an associated mating contact element of the mating plug-in connector part; and a heat capacity element, which is arranged on the shaft portion of the at least one contact element and rigidly connected to the shaft portion, for absorbing heat from the at least one contact element.
Element, system and method for retaining a component to a surface
The invention relates to a system for retaining a component to a surface which includes a surface; a component; and at least two elements. Each element has a base connected to the surface, the at least two elements provide means for retaining the component to the surface, wherein a first means is biased to a first position in which the first means extend beyond an edge of a first base such that when the component is placed on the surface the first means are configured to move to a second position in order to retain the component in its position relative to the surface. The component provides at least one cavity defined by at least two inner faces, and wherein upon placement of the component on the surface, the base of each element is situated solely within the at least one cavity of the component.
Connector which can be stably placed on a circuit board
A connector includes: an insulating body having a bottom surface facing a circuit board; and multiple first terminals and multiple second terminals. Each of the first and second terminals has a fixing portion fixed to the insulating body and a soldering portion bending and extending from the corresponding fixing portion and exposed out of the bottom surface of the insulating body. The first and second soldering portions are soldered to the circuit board in a surface mounting manner respectively, and are arranged in four rows in a transverse direction. The first soldering portions are distributed in two outer rows. The second soldering portions are distributed in two inner rows. A bottom surface of each first soldering portion has a lowest point. The lowest points of the first soldering portions in the two outer rows define a plane, and the second soldering portions are located above the plane.
Antenna system for metallized devices
An embedded antenna system is described for use with metallized enclosures and housings used with wireless communication devices. One or multiple radiators are coupled to a metal cover, with ground points established on the metal cover to improve radiation efficiency and control the frequency response of the antenna system. Dynamic tuning methods are described wherein detuning of the antenna system for sources such as body-loading are compensated at adjusting impedance properties of the combination of radiator and metallized cover.
Antenna and antenna module comprising the same
An antenna including a planar radiator that exhibits the same shape at least twice in response to a 360-degree rotation based on a single virtual line and has a plurality of conductive legs connected to the planar radiator. The conductive legs exhibit the same shape at least twice in response to the 360-degree rotation based on the single virtual line. An antenna module that includes an antenna exhibiting the same shape at least twice in response to a 360-degree rotation based on a single virtual line with the antenna having a planar radiator and a plurality of conductive legs connected to the planar radiator. The antenna module also includes a substrate having a plurality of pads each corresponding to one of the conductive legs of the antenna.
An object of the present invention is to provide an antenna device having a wide beam scan range with reduced loss. The antenna device according to one aspect of the present invention includes: a first phase shifter, a second phase shifter, and a third phase shifter; a first connection part that electrically connects between the first phase shifter and the second phase shifter directly in series; a second connection part that electrically connects between the second phase shifter and the third phase shifter directly in series; and a power feed part that feeds electric power to the first phase shifter to the third phase shifter, wherein the first phase shifter and the second phase shifter, and the second phase shifter and the third phase shifter respectively have characteristic impedance being discontinuous with respect to each other at the first connection part and the second connection part.
Systems and methods for reducing intermodulation for electronically controlled adaptive antenna arrays
The present disclosure provides a system and methods for mitigating, or reducing, the intermodulation of an adaptive antenna array's radiating elements. A tunable element or tunable material, such as a phase change material or a state change material, may be used to increase linearity of the RF transmission properties. These phase or state change materials may modify a radiating element's electromagnetic response. In some embodiments, variable couplers may further be added to a system to reduce intermodulation. An adaptive antenna array using the techniques described herein may have all or some of the elements co-located.
Unified antenna module and roof antenna for vehicle using the same
A unified antenna module includes an antenna, a first preamplifier configured to be connectable to an RF cable, and a second preamplifier configured to be connectable to a transmitter/receiver module. A switch part is configured to connect the antenna with the first preamplifier or the second preamplifier when one of the RF cable and the transmitter/receiver module is connected.
An antenna device includes: a substrate; a wave antenna, disposed on one surface of the substrate, for transmitting and receiving data to and from an external vehicle or a base station; a GPS antenna disposed on one surface of the substrate; a WiFi antenna, disposed on the other surface of the substrate, for transmitting, to a head unit, data that the wave antenna has received, and transmitting, to the wave antenna, data that has been received from the head unit; and a system module for receiving a signal from at least any one of the wave antenna, the GPS antenna or the WiFi antenna and controlling the same.
Communication system, guided wave switch and methods for use therewith
Aspects of the subject disclosure may include, for example, a guided wave switch that selectively aligns an end of the first dielectric core of a first conductorless guided wave cable with an end of a selected one of a plurality of second dielectric cores of at least one second conductorless guided wave cable to facilitate coupling of the first guided waves from the first dielectric core to a selected one of the plurality of second dielectric cores. Other embodiments are disclosed.
Methods of forming flipped RF filter components
Methods of forming flipped radio frequency (RF) filter components are provided. An example method for miniaturizing conventional planar RF filters comprises: determining radio frequency (RF) filtering characteristics of a conventional planar microstrip RF filter or a conventional stripline RF filter, determining distributed RF filter elements for emulating the RF filtering characteristics of the conventional planar microstrip RF filter or the conventional stripline RF filter, creating each distributed RF filter element on a substrate, laminating a stack of the distributed RF filter elements into a single solid RF filter module; and mounting the single solid RF filter module on a horizontal substrate to vertically dispose the distributed RF filter elements of the stack. The methods create laminated stacks of distributed RF filter elements that provide a dramatic reduction in size over the horizontal planar RF filters that they replace. Deposited conductive traces of an example flipped RF filter stack provide various stub configurations of an RF filter and emulate various distributed filter elements and their configuration geometries.
Lithium ion conducting protective film and method of use
A lithium ion conducting protective film produced using a layer-by-layer assembly process. The lithium ion conducting protective film is assembled on a substrate by a sequential exposure of the substrate to a first poly(ethylene oxide) (PEO) layer including a cross-linking silane component on the first side of the substrate, a graphene oxide (GO) layer on the first PEO layer, a second poly(ethylene oxide) (PEO) layer including a cross-linking silane component on the GO layer and a poly(acrylic acid) (PAA) layer on the second PEO layer. The film functions as a lithium ion conducting protective film that isolates the lithium anode from the positive electrochemistry of the cathode in a lithium-air battery, thereby preventing undesirable lithium dendrite growth.
Nonaqueous electrolyte compositions comprising lithium malonatoborate and fluorinated solvent
Disclosed herein are electrolyte compositions comprising: a non-fluorinated carbonate; a fluorinated solvent; a lithium bis(malonato) borate compound represented by the formula: wherein each Q1 and Q2 is independently a hydrogen, alkyl, allyl, acetylenic, aryl, or propargyl group; a fluorinated carbonate; and an electrolyte salt. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.
Solid electrolyte composition containing nonspherical polymer particles, dispersion medium and inorganic solid electrolyte
Provided is a solid electrolyte composition including nonspherical polymer particles; a dispersion medium; and an inorganic solid electrolyte, in which the nonspherical polymer particles is formed of a polymer having at least one of a specific functional group, an acidic group having an acid dissociation constant pKa of 14 or less, or a basic group having a conjugate acid pKa of 14 or less.
Two-electron redox catholyte for redox flow batteries
A redox flow battery comprising a two-electron, redox active, bridged, multi-cyclic compound (“TRBMC”) comprises a non-aromatic, bridged cyclic portion fused to an aromatic cyclic portion.
Polymer electrolyte membrane, method for fabricating same, and membrane-electrode assembly comprising same
Provided are a polymer electrode membrane including a porous support including a web of nanofibers of a first hydrocarbon-based ion conductor that are arranged irregularly and discontinuously; and a second hydrocarbon-based ion conductor filling the pores of the porous support, the first hydrocarbon-based ion conductor being a product obtained by eliminating at least a portion of the protective groups (Y) in a precursor of the first hydrocarbon-based ion conductor represented by Formula (1), a method for producing the polymer electrolyte membrane, and a membrane electrode assembly including the polymer electrolyte membrane: wherein m, p, q, M, M′, X and Y respectively have the same meanings as defined in the specification.
Fuel cell system
A fuel cell system includes: a first line provided with a fuel cell stack and allowing a coolant to be circulated therethrough; and a second line provided with an air conditioning system and connected to the first line to allow a portion of the coolant to be selectively circulated therethrough, wherein the air conditioning system includes: a first flow path including a first inlet through which first air is introduced; a second flow path including a second inlet through which second air is introduced, and one or more communication holes communicating with the first flow path; an opening and closing device independently opening and closing the second inlet and the communication holes; a cooler disposed in the first flow path and cooling the air passing through the first flow path; and a heater core disposed in the second flow path and exchanging heat between the coolant passing through the second line and the air passing through the second flow path.
Fuel cell stack having improved condensate management
A fuel cell stack includes a membrane electrode assembly including a cathode and an anode which are catalyst layers and are formed on a first and a second surface, respectively, of an electrolyte membrane, a first separator disposed at one side of the membrane electrode assembly, and a second separator disposed at the other side of the membrane electrode assembly, wherein a gas path through which a gas is discharged from the cathode or the anode, or a gas is supplied to the cathode or the anode, is disposed between the second separator and the membrane electrode assembly and is formed in a non-reaction zone, and wherein the gas path includes a flow path expansion portion and a height of the flow path expansion portion is greater than a height of a reaction zone.
A fuel cell has an anode, a cathode, and a solid electrolyte layer. The cathode contains a main component containing a perovskite oxide which is expressed by the general formula ABO3 and includes at least one of La and Sr at the A site. The solid electrolyte layer is disposed between the anode and the cathode. The cathode includes an interface region that is within 5 μm from a surface near to the solid electrolyte layer. The interface region contains a main phase containing the perovskite oxide, and a secondary phase containing strontium oxide. An occupied surface area ratio of the secondary phase in a cross section of the interface region is greater than or equal 0.05% and less than or equal to 3%.
Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst
[Object] Provided is a catalyst having excellent gas transportability.[Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, wherein a pore volume of the pores having a radius of less than 1 nm is 0.3 cc/g support or more or a mode radius of a pore distribution of the pores having a radius of less than 1 nm is 0.3 nm or more and less than 1 nm, and wherein the catalyst metal is supported inside the pores having a radius of 1 nm or more.
Positive electrode active material for secondary battery, method of preparing the same and secondary battery including the same
The present invention provides a positive electrode active material for a secondary battery and a secondary battery including the same, which includes a core; a shell located to surround the core; and a buffer layer located between the core and the shell, and including a three-dimensional network structure connecting the core and the shell and a pore. The decomposition of the active material may be minimized by a rolling process in the manufacture of an electrode by controlling the specific surface area, average particle diameter and porosity of the active material particles as well as the specific structure, the reactivity with an electrolyte solution may be maximized, and the output and lifespan characteristics of the secondary battery may be improved since the particles forming the shell have crystal structure with orientation which facilitates intercalation and deintercalation of lithium ions.
Positive active material, lithium battery including the same, and method of manufacturing the positive active material
Provided are a positive active material, a lithium battery including the positive active material, and a method of manufacturing the positive active material. The positive active material includes a lithium molybdate composite having a core-shell structure. The lithium molybdate composite acts as a sacrificial positive electrode in a positive electrode of a battery. The positive active material is able to increase charge capacity of a lithium battery, and accordingly is able to improve lifetime properties of a lithium battery.
System for manufacturing electrode for secondary battery having scratch tester
Disclosed is a system for manufacturing an electrode for a secondary battery, which includes an active material drying unit configured to dry an active material coated on an electrode current collector, and a tester unit configured to measure a dried state of the active material by performing a scratch test to the dried active material.
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes a conductive outer can, an electrode body in the outer can, a conductive seal plate tightly closing an open end of the outer can, and a cathode external terminal on the seal plate. The battery further includes a current cutoff mechanism (CID). The CID is located on the electrical conduction pathway between the cathode external terminal and the electrode body and interrupts the electrical coupling therebetween in response to an increased internal pressure in the battery. The CID includes a thin portion of the seal plate and a diaphragm. The diaphragm deforms to interrupt the electrical coupling between the cathode external terminal and the electrode body in response to the increase in the internal pressure in the battery. A cathode collector lead electrically couples the electrode body and the seal plate, and the seal plate connects the diaphragm and the cathode collector lead.
Electrical tools, nickel-zinc battery system and manufacturing method therefor
The present invention further provides a nickel-zinc battery system used for rechargeable electrical tools. The present invention further provides a method for manufacturing a battery set of the nickel-zinc battery system. A diode of the nickel-zinc battery set manufactured by the method can be hidden in a receiving slot.
Glass compositions with leachable metal oxides and ions
The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. The compositions include glass based compositions that are included as part of various battery components, such as the battery separator, pasting paper, additives to battery paste, etc.
Chassis for rechargeable battery
A rechargeable battery comprises a chassis including a lower fixation plate, and a plurality of battery cells on the lower fixation plate. The lower fixation plate includes at least one flow channel positioned to collect condensate from the battery cells and move the collected condensate away from the battery cells.
Method for manufacturing battery module and battery module
A method for manufacturing a battery module includes preparing a plurality of cylindrical battery cells having electrode terminals respectively at upper and lower portions, and a module housing having an accommodation portion with a plurality of hollow structures to accommodate the cylindrical battery cells therein; adding an adhesive having thermally and ultraviolet curing properties to an inner surface of the accommodation portion; partially curing the adhesive by applying heat thereto to increase a viscosity of the adhesive; accommodating the cylindrical battery cells in the accommodation portion so that the partially-cured adhesive is between the accommodation portion of the module housing and the cylindrical battery cells; after the accommodating of the cylindrical battery cells in the accommodation portion, applying heat to the adhesive to lower the viscosity of the adhesive; and, after the viscosity is lowered by applying the heat, curing the adhesive by irradiating ultraviolet rays to the adhesive.
A secondary battery having reinforced stability and durability is provided. The secondary battery includes a case having an opening; an electrode assembly in the case with an electrolyte, a cap plate sealing the opening of the case, a terminal assembly electrically connected to the electrode assembly and protruding through the cap plate, and an insulation bag between the electrode assembly and the case to receive the electrode assembly and to hermetically seal the electrolyte.
Flexible and stretchable chain battery
A flexible and stretchable chain battery includes multiple individual batteries connected in parallel and/or in series via stretchable conductive interconnects. The positive terminals of each battery are connected to a first stretchable conductive interconnect and the negative terminals of each battery are connected to a second stretchable conductive interconnect. The stretchable conductive interconnects and the batteries are coupled to a stretchable substrate. The stretchable conductive interconnects provide electrical interconnection between the multiple batteries while enabling stretchability between the batteries.
Power storage device, battery management unit, and electronic device
A repeatedly bendable power storage device is provided. A highly reliable power storage device is provided. A long-life power storage device is provided. A repeatedly bendable electronic device is provided. A flexible electronic device is provided. The power storage device includes a positive electrode, a negative electrode, and an exterior body wrapping the positive electrode and the negative electrode. The exterior body includes a metal layer and a resin layer. The thickness of the metal layer in at least part of an outer edge of the exterior body is smaller than that in a region other than the outer edge. The exterior body has a plurality of slits in the outer edge.
Package structure and organic light emitting display apparatus comprising self-repairing function layer
The present disclosure relates to the field of display technology, and discloses a package structure and an organic light emitting display apparatus. The package structure includes a self-repairing functional layer and a heating layer for heating the self-repairing functional layer. A forming material of the self-repairing functional layer at least includes: a self-repairing material.
Laminated film and process for manufacturing the same
A laminated film containing at least a gas barrier layer and an inorganic polymer layer being laminated on a resin substrate, wherein concerning a distance from a surface of the inorganic polymer layer in a film thickness direction of the layer and the ratio of an oxygen atom to a total amount of a silicon atom, an oxygen atom, a carbon atom and a nitrogen atom, the ratio of a value of the oxygen atomic ratio in a region from a surface on a side opposite to the gas barrier layer up to 30% of a film thickness of the inorganic polymer layer in a depth direction to a value of the oxygen atomic ratio in a region from 30% of a film thickness of the inorganic polymer layer in a depth direction up to a surface on a side of the gas barrier layer is 1.05 or more.
Illumination system and planar light source
A planar light source emits planar light by power supplied from a mounting member. The planar light source includes an engaging part, a planar-light-emitting panel having a light-emitting surface, and a connecting unit disposed between the engaging part and the planar-light-emitting panel. The engaging part forms a portion of a power supply path for supplying power from the mounting member to the planar-light-emitting panel. The planar-light-emitting panel includes a planar-light-emitting tile and a translucent plate, where one main surface of the planar-light-emitting tile includes a light-emitting region. The planar-light-emitting panel emits, in a lighting state, the planar light from the light-emitting region of the planar-light-emitting tile through the translucent plate. An output of the planar light from the planar light source is adjusted by pressing the light-emitting surface.
Light-emitting element comprising stacked light-emitting layers, light-emitting device, electronic device, and lighting device
A light-emitting element with a high current efficiency is provided. A low-power consumption light-emitting device is also provided. In addition, low-power consumption electronic device and lighting device are provided. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes a light-emitting layer. The light-emitting layer includes a first light-emitting layer and a second light-emitting layer. The emission peak of the second light-emitting layer is at a shorter wavelength than that of the first light-emitting layer. The first light-emitting layer includes a host material and a guest material. The LUMO level of the guest material is in the range of ±0.1 eV of the LUMO level of the host material.
Mixed cation perovskite
The present invention relates to a crystalline compound comprising: (i) Cs+ (caesium); (ii) (H2N—C(H)—NH2)+ (formamidinium); (iii) one or more metal or metalloid dications [B]; and (iv) two or more different halide anions [X]. The invention also relates to a semiconductor device comprising a semiconducting material, which semiconducting material comprises the crystalline compound. The invention also relates to a process for producing a layer of the crystalline compound.
An optical sensor includes a semiconductor layer including a first region, a second region, and a third region between the first region and the second region, a first electrode, a photoelectric conversion layer between the third region and the first electrode, and voltage supply circuitry applying a voltage between the first electrode and the first region to apply a bias voltage to the photoelectric conversion layer. The photoelectric conversion layer has a characteristic showing how a density of current flowing through the photoelectric conversion layer varies with the bias voltage applied to the photoelectric conversion layer. The characteristic includes a third voltage range where an absolute value of a rate of change of the current density relative to the bias voltage is less than in a first voltage range and a second voltage range, the third voltage range being between the first voltage range and the second voltage range.
Small molecule acceptors derived from renewable furan source
Embodiments described herein provide a precursor for synthesizing a number of molecules for use in organic photovoltaics. The precursor is diiodo-furopyran (DFP), such as dibromo-DFP (DBDFP), to be used to synthesize a number of different molecules for use in organic photovoltaics. DFP possesses numerous reactive sites that can be used to simultaneously modify the backbone structure (which can be used to tune electronic and crystalline properties) and the side-chains (affecting the solubility and the solubility of any subsequent copolymers). Each of the molecules has either a biisocoumarin or biisoquinoline core structure and can be easily varied to yield a different functional backbone or different substituents. The molecules can be used in copolymers or small molecules for use in OPVs.
Method of manufacturing embedded magnetoresistive random access memory
A method of manufacturing an embedded magnetoresistive random access memory including the following steps is provided. A memory cell stack structure is formed on a substrate structure. The memory cell stack structure includes a first electrode, a second electrode, and a magnetic tunnel junction structure. A first dielectric layer covering the memory cell stack structure is formed. A metal nitride layer is formed on the first dielectric layer. A second dielectric layer is formed on the metal nitride layer. A first CMP process is performed on the second dielectric layer to expose the metal nitride layer by using the metal nitride layer as a stop layer. An etch back process is performed to completely remove the metal nitride layer and expose the first dielectric layer. A second CMP process is performed to expose the second electrode. The manufacturing method can have a better planarization effect.
Method of forming a bottom electrode of a magnetoresistive random access memory cell
A method of fabricating a semiconductor device is disclosed. The method includes forming an opening with a tapered profile in a first material layer. An upper width of the opening is greater than a bottom width of opening. The method also includes forming a second material layer in the opening and forming a hard mask to cover a portion of the second material layer. The hard mask aligns to the opening and has a width smaller than the upper width of the opening. The method also includes etching the second material layer by using the hard mask as an etch mask to form an upper portion of a feature with a tapered profile.
Piezoelectric film and process for producing same
A piezoelectric film which is better in heat and deformation resistant properties than those in the prior art is provided along with a method of manufacture. The film is a piezoelectric film that is composed of a copolymer of vinylidene fluoride and trifluoroethylene, the copolymer having a content of vinylidene fluoride in a range of not less than 82 mol % and not more than 86 mol % and having a molecular weight not less than 600,000. The piezoelectric film is subjected to a heat treatment for crystallization of the copolymer at a temperature ranging from not less than 140° C. to not more than 150° C., and is thereby caused to develop piezoelectric property. The piezoelectric film further has a heat resistance of not less than 140° C. and a breaking distortion of not less than 8% and not more than 55%, and an excellent deformation resistant property.
Light emitting device includes structure protruding from a side of a surface of second conductive semiconductor layer of LED chip toward a side of a surface of second conductor portion of mounting substrate to contact the surface of second conductor portion, and is positioned to extend around an outer periphery of second electrode. First electrode and a first conductor portion are joined to each other by first joint portion, and second joint portion joining second electrode and second conductor portion to each other fills a space surrounded by second electrode, protruding structure, and second conductor portion. Protruding structure is disposed to extend around the outer periphery of second electrode to surround second joint portion in planar view. A part of mounting substrate overlapping protruding structure in planar view is either identical in height to or lower than a part of second conductor portion joined to second joint portion.
Light-emitting diode and method for manufacturing same
A light-emitting diode includes, a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer. The light-emitting diode also includes a transparent conductive layer including a first transparent conductive layer disposed on the second semiconductor layer and a second transparent conductive layer disposed on the first transparent conductive layer. The second transparent conductive layer has a conductivity different than the first transparent conductive layer.
A semiconductor device includes a first reflective structure, a second reflective structure and a cavity region between the first reflective structure and the second reflective structure. The cavity region includes a first surface and a second surface opposite to the first surface. The semiconductor device further includes a first electrode on the first surface and electrically connected to the first reflective structure. The semiconductor device further includes a second electrode on the first surface and electrically connected to the second reflective structure. The semiconductor device further includes a first conductive layer on the second surface of the cavity region and including a hole formed therethrough.
Semiconductor light emitting device
A semiconductor light emitting device includes a multi-quantum-well structure, a first potential barrier layer, a first capping layer, a second capping layer, and an electron barrier layer stacked in order on a growth substrate. The multi-quantum-well structure includes a plurality of alternately-stacked second potential barrier layers and potential well layers. The first capping layer is an undoped semiconductor layer and the second capping layer is a p-doped semiconductor layer. Each of the first and second capping layers has a band gap larger than that of each of the second potential barrier layers and the electron barrier layer. A method of preparing the semiconductor light emitting device is also provided.
Ultraviolet light emitting element and lighting system having a quantum barrier structure for improved light emission efficiency
An embodiment relates to a light emitting element, a method for manufacturing a light emitting element, a light emitting element package, and a lighting system. An ultraviolet light emitting element according to an embodiment may comprise: a first conductivity type semiconductor layer (112); an active layer (114) comprising a quantum barrier (114B) and a quantum well (114W), the active layer (114) being arranged on the first conductivity type semiconductor layer (112); and a second conductivity type semiconductor layer (116) on the active layer (114). The quantum barrier (114B) may comprise an undoped AlxGa1-xN layer (0≤x≤1) (114BU) and an n-type AlyGa1-yN layer (0≤y≤1) (114BN).
Method for manufacturing light emitting device using a releasable base material
A method for manufacturing a light emitting device includes placing a light emitting element on a releasable base material so that a first face of the light emitting element is in contact with the releasable base material. An entire area of the first face is a first area. A wavelength converting material is provided on the releasable base material to cover an entirety of the light emitting element. The releasable base material is removed. A first electrically conductive material covers the first electrode and the wavelength converting material. An entire area of the first electrically conductive material viewed in a height direction is a second area larger than the first area. A second electrically conductive material covers the second electrode and the wavelength converting material. An entire area of the second electrically conductive material viewed in the height direction is a third area larger than the first area.
Refrigeration from graphene-based nanoemitters
This disclosure presents the use of electrons as the ‘working fluid’ in conjunction with a solid nanomaterial that hinders electron coupling to the atomic lattice of the nanomaterial, i.e., they are out of equilibrium. The electrons can achieve very high effective temperatures with minimal heating of the solid lattice. These ‘hot’ electrons emit from the absorbing material, carrying both the light energy and energy acquired from the atomic lattice. Thus, the operation of this disclosure includes shining light on an object to make the object cool instead of heat. It is envisioned that one of ordinary skill in the art would find the operation quite counter-intuitive.
Integrated photodetector waveguide structure with alignment tolerance
An encapsulated integrated photodetector waveguide structures with alignment tolerance and methods of manufacture are disclosed. The method includes forming a waveguide structure bounded by one or more shallow trench isolation (STI) structure(s). The method further includes forming a photodetector fully landed on the waveguide structure.
Photodetector having one-dimensional grating structure
Provided is a light receiving element with high light receiving sensitivity.The light receiving element comprises: a light absorbing layer that absorbs light to generate a carrier; and a diffraction element that converts the optical path of first polarized light, which is obliquely incident on a plane formed by the light absorbing layer, so that the first polarized light propagates in a first direction along the light absorbing layer, and that converts the optical path of second polarized light incident from the same direction as the first polarized light so that the second polarized light propagates in a second direction, opposite the first direction, along the light absorbing layer.
Thin film transistor and method for manufacturing thin film transistor
A thin film transistor includes a gate electrode. The thin film transistor further includes an oxide semiconductor layer which includes at least indium and is usable as a channel layer, wherein a region of the oxide semiconductor layer closest to the gate electrode includes fluorine. The thin film transistor further includes a gate insulating layer between the gate electrode and the oxide semiconductor layer. The thin film transistor further includes a fluorine-including layer which includes fluorine and is between the gate electrode and the gate insulating layer.
Silicon on insulator semiconductor device with mixed doped regions
In some embodiments, a semiconductor device is provided. The semiconductor device includes a semiconductor substrate having a first semiconductor material layer separated from a second semiconductor material layer by an insulating layer. A source region and a drain region are disposed in the first semiconductor material layer and spaced apart. A gate electrode is disposed over the first semiconductor material layer between the source region and the drain region. A first doped region having a first doping type is disposed in the second semiconductor material layer, where the gate electrode directly overlies the first doped region. A second doped region having a second doping type different than the first doping type is disposed in the second semiconductor material layer, where the second doped region extends beneath the first doped region and contacts opposing sides of the first doped region.
Modular memory-like layout for finFET analog designs
A fin field effect transistor (finFET) includes a semiconductor substrate including at least one fin feature, a diffusion region formed on the semiconductor substrate and extending through the diffusion region, and a gate formed on the diffusion region and the at least one fin feature. The gate includes a split gate structure including a first gate region, a second gate region, a gap separating the first gate region and the second gate region, and a contact region electrically connecting the first gate region and the second gate region. A plurality of source/drain regions are formed in the diffusion region. The plurality of source/drain regions includes a source drain region in the gap between the first gate region and the second gate region. A plurality of pocket dopant regions are formed in the diffusion region. The plurality of pocket dopant regions includes at least one pocket dopant region in the gap between the first gate region and the second gate region.
Method for forming replacement air gap
A method of forming transistor devices with an air gap in the replacement gate structure is disclosed including forming a placeholder gate structure above a semiconductor material region, forming a sidewall spacer adjacent the placeholder gate structure, removing the placeholder gate structure to define a gate cavity bounded by the sidewall spacer, forming a gate insulation layer in the gate cavity, the gate insulation layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, forming a gate electrode in the gate cavity above the gate insulation layer, removing at least a portion of the second portion of the gate insulation layer to define an air gap cavity adjacent the gate electrode, and forming a first gate cap layer above the gate electrode, wherein the first gate cap layer seals an upper end of the air gap cavity.
A semiconductor structure includes a substrate, a first semiconductor fin, a second semiconductor fin, and a first lightly-doped drain (LDD) region. The first semiconductor fin is disposed on the substrate. The first semiconductor fin has a top surface and sidewalls. The second semiconductor fin is disposed on the substrate. The first semiconductor fin and the second semiconductor fin are separated from each other at a nanoscale distance. The first lightly-doped drain (LDD) region is disposed at least in the top surface and the sidewalls of the first semiconductor fin.
Electronic junction device with a reduced recovery time for applications subject to the current recirculation phenomenon and related manufacturing process
A process of forming integrated electronic device having a semiconductor body includes: forming a first electrode region having a first type of conductivity; forming a second electrode region having a second type of conductivity, which forms a junction with the first electrode region; and forming a nanostructured semiconductor region, which extends in one of the first and second electrode regions.
Structure of a fin field effect transistor (FinFET)
A fin field effect transistor (FinFET) includes a fin extending from a substrate, where the fin includes a lower region, a mid region, and an upper region, the upper region having sidewalls that extend laterally beyond sidewalls of the mid region. The FinFET also includes a gate stack disposed over a channel region of the fin, the gate stack including a gate dielectric, a gate electrode, and a gate spacer on either side of the gate stack. A dielectric material is included that surrounds the lower region and the first interface. A fin spacer is included which is disposed on the sidewalls of the mid region, the fin spacer tapering from a top surface of the dielectric material to the second interface, where the fin spacer is a distinct layer from the gate spacers. The upper region may include epitaxial source/drain material.
Method and related apparatus for reducing gate-induced drain leakage in semiconductor devices
In some embodiments, a semiconductor device is provided. The semiconductor device includes a pair of source/drain regions disposed in a semiconductor substrate, where the source/drain regions are laterally spaced. A gate electrode is disposed over the semiconductor substrate between the source/drain regions. Sidewall spacers are disposed over the semiconductor substrate on opposite sides of the gate electrode. A silicide blocking structure is disposed over the sidewalls spacers, where respective sides of the source/drain regions facing the gate electrode are spaced apart from outer sides of the sidewall spacers and are substantially aligned with outer sidewalls of the silicide blocking structure.
Method of forming a contact with a silicide region
Embodiments disclosed herein relate generally to forming an effective metal diffusion barrier in sidewalls of epitaxy source/drain regions. In an embodiment, a structure includes an active area having a source/drain region on a substrate, a dielectric layer over the active area and having a sidewall aligned with the sidewall of the source/drain region, and a conductive feature along the sidewall of the dielectric layer to the source/drain region. The source/drain region has a sidewall and a lateral surface extending laterally from the sidewall of the source/drain region, and the source/drain region further includes a nitrided region extending laterally from the sidewall of the source/drain region into the source/drain region. The conductive feature includes a silicide region along the lateral surface of the source/drain region and along at least a portion of the sidewall of the source/drain region.
Metal gate structure and methods thereof
Provided is a metal gate structure and related methods that include forming a first fin and a second fin on a substrate. In various embodiments, the first fin has a first gate region and the second fin has a second gate region. By way of example, a metal-gate line is formed over the first and second gate regions. In some embodiments, the metal-gate line extends from the first fin to the second fin, and the metal-gate line includes a sacrificial metal portion. In various examples, a line-cut process is performed to separate the metal-gate line into a first metal gate line and a second gate line. In some embodiments, the sacrificial metal portion prevents lateral etching of a dielectric layer during the line-cut process.
Metallization and its use in, in particular, an IGBT or a diode
A vertical power semiconductor component includes a semiconductor chip, the semiconductor chip having a top main surface and a bottom main surface. Each of said top main surface and said bottom main surface is in a heat exchanging relationship with a top metallization layer and a bottom metallization each of which serving as a heat sink. Each of said top metallization layer and said bottom metallization layer have a layer thickness of at least 15 μm and have a specific heat capacity per volume that is at least a factor of 1.3 higher than the specific heat capacity per volume of the semiconductor chip. Each of said top metallization layer and said bottom metallization layer serving as a heat sink contacts the respective main surface via a respective diffusion barrier layer.
GaN lateral vertical JFET with regrown channel and dielectric gate
A vertical JFET is provided. The JFET is mixed with lateral channel structure and p-GaN gate structure. The JFET has a N+ implant source region. In one embodiment, a JFET is provided with a drain metal deposited over a backside of an N substrate, an n-type drift layer epitaxial grown over a topside of the N substrate, a buried P-type block layer deposited over the n-type drift layer, an implanted N+ source region on side walls of the lateral channel layer, and an source metal attached to the top of the p-layer and attached to the implanted N+ source region at the side. In one embodiment, the JFET further comprises a gate layer, and wherein the gate layer is a dielectric gate structure that enables a fully enhanced channel. In another embodiment, the gate layer is a p-type GaN gate structure that enables a partially enhanced channel.
GaN lateral vertical HJFET with source-P block contact
A vertical JFET is provided. The JFET is mixed with lateral channel structure and p-GaN gate structure. The JFET has an improved barrier layer for p-GaN block layer and enhanced Ohmic contact with source. In one embodiment, regrowth of lateral channel is provided so that counter doping surface Mg will be buried. In another embodiment, a dielectric layer is provided to protect p-type block layer during the processing, and later make Ohmic source and p-type block layer. Method of a barrier regrown layer for enhanced lateral channel performance is provided where a regrown barrier layer is deposited over the drift layer. The barrier regrown layer is an anti-p-doping layer. Method of a patterned regrowth for enhanced Ohmic contact is provided where a patterned masked is used for the regrowth.
Semiconductor structure and method of preparing semiconductor structure
The invention provides a semiconductor structure and a method of preparing a semiconductor structure, which solves the problems of easy cracking, large warpage and large dislocation density which exist in epitaxial growth of a semiconductor compound epitaxial structure on a substrate in the prior art. The semiconductor structure includes: a substrate; at least one periodic structure disposed over the substrate; wherein each of the periodic structures includes at least one period, each period including a first periodic layer and a second periodic layer which are sequentially stacked in an epitaxial direction; wherein the thickness of the nth periodic structure is smaller than the thickness of the (n+1)th periodic structure, wherein n is an integer greater than or equal to 1.
Semiconductor device and manufacturing method thereof
A semiconductor device includes a substrate, a channel structure, and a gate structure. The channel structure is over the substrate and extends along a first direction, in which the channel structure has plurality of first portions and plurality of second portions alternately stacked, and a width of the first portions is smaller than that of the second portions in a second direction different from the first direction. The gate structure is disposed over the substrate and crossing the channel structure along the second direction, in which the gate structure is in contact with the first portions and the second portions.
Strained nanowire CMOS device and method of forming
Transistor structures and methods of forming transistor structures are provided. The transistor structures include alternating layers of a first epitaxial material and a second epitaxial material. In some embodiments, one of the first epitaxial material and the second epitaxial material may be removed for one of an n-type or p-type transistor. A bottommost layer of the first epitaxial material and the second epitaxial material maybe be removed, and sidewalls of one of the first epitaxial material and the second epitaxial material may be indented or recessed.
Lateral MOSFET with buried drain extension layer
An integrated circuit containing an extended drain MOS transistor which has a drift layer, an upper RESURF layer over and contacting an upper surface of the drift layer, and a buried drain extension below the drift layer which is electrically connected to the drift layer at the drain end and separated from the drift layer at the channel end. A lower RESURF layer may be formed between the drift layer and the buried drain extension at the channel end. Any of the upper RESURF layer, the drift layer, the lower RESURF layer and the buried drain extension may have a graded doping density from the drain end to the channel end. A process of forming an integrated circuit containing an extended drain MOS transistor which has the drift layer, the upper RESURF layer, and the buried drain extension.
Semiconductor device with low lifetime region
In a semiconductor device including a low lifetime region of a depth within a range on both sides sandwiching a p-n junction of a p-type semiconductor region bottom portion, the low lifetime region includes a central region that has a portion coinciding with the semiconductor region as seen from one main surface side and is selectively formed as far as the position of a contact end portion of a region of the coinciding portion with which the semiconductor region and a metal electrode are in contact, a peripheral region wherein the central region extends as far as the position of an outer peripheral end of the semiconductor region, and an expanded end portion region wherein the peripheral region extends as far as an outer peripheral end of the innermost of guard rings. Because of this, it is possible to reduce leakage current while maintaining high reverse recovery current resistance.
Organic light emitting display device and method of manufacturing an organic light emitting display device
An organic light emitting display (OLED) device includes a substrate comprising a display region and a peripheral region. The OLED device further includes a conductive layer disposed in the peripheral region on the substrate and including an opening portion exposing at least a portion of the substrate, the conductive layer having an undercut shape. The OLED device additionally includes an insulation layer disposed on the conductive layer, the insulation layer including an opening that exposes the opening portion. The OLED device further includes a common layer disposed in both the display region and the peripheral region on the insulation layer and on the substrate exposed by the opening portion. The common layer disposed on the substrate exposed by the opening portion is spaced apart from the common layer disposed on the insulation layer.
Organic light emitting diode display
An organic light emitting diode display is disclosed. The organic light emitting diode display includes a first substrate on which a power electrode supplied with a power voltage and an organic light emitting diode are disposed, a second substrate on which a power line is disposed, the second substrate facing the first substrate, a conductive filler layer interposed between the first substrate and the second substrate, the conductive filler layer including a conductive medium electrically connecting a cathode of the organic light emitting diode to the power line, and a conductive sealant disposed at an edge of the first substrate and an edge of the second substrate, the conductive filler layer being accommodated inside the conductive sealant. The conductive sealant electrically connects the power electrode to the power line.
Organic light-emitting device
A plurality of light emitters emitting different colors of light in a light-emitting device is provided on a surface of a substrate along two dimensions. Each light emitter includes a first electrode, a first charge injection/transport layer, a light-emitting layer, an intermediate layer, a second charge injection/transport layer, and a second electrode. The intermediate layer includes a fluoride of an alkali metal or an alkaline earth metal. Among the first electrode and the second electrode, one electrode is light reflective and another electrode is light transmissive. Among the first charge injection/transport layer and the second charge injection/transport layer, one charge injection/transport layer is disposed between the light-emitting layer and the light reflective electrode, and thickness of the one charge injection/transport layer included in the first light emitter is different from thickness of the one charge injection/transport layer included in the second light emitter.
Multi-layered conductive metal oxide structures and methods for facilitating enhanced performance characteristics of two-terminal memory cells
A memory cell including a two-terminal re-writeable non-volatile memory element having at least two layers of conductive metal oxide (CMO), which, in turn, can include a first layer of CMO including mobile oxygen ions, and a second layer of CMO formed in contact with the first layer of CMO to cooperate with the first layer of CMO to form an ion obstruction barrier. The ion obstruction barrier is configured to inhibit transport or diffusion of a subset of mobile ion to enhance, among other things, memory effects and cycling endurance of memory cells. At least one layer of an insulating metal oxide that is an electrolyte to the mobile oxygen ions and configured as a tunnel barrier is formed in contact with the second layer of CMO.
Methods of forming integrated circuitry
Some embodiments include a method of forming integrated circuitry. A structure has first conductive lines over a dielectric bonding region, has semiconductor material pillars extending upwardly from the first conductive lines, and has second conductive lines over the first conductive lines and extending along sidewalls of the semiconductor material pillars. The first conductive lines extend along a first direction, and the second conductive lines extend along a second direction which intersects the first direction. The structure includes semiconductor material under the dielectric bonding region. Memory structures are formed over the semiconductor material pillars. The memory structures are within a memory array. Third conductive lines are formed over the memory structures. The third conductive lines extend along the first direction. Individual memory structures of the memory array are uniquely addressed through combinations of the first, second and third conductive lines.
Interconnect structure for stacked device and method
A stacked integrated circuit (IC) device and a method are disclosed. The stacked IC device includes a first semiconductor element and a second semiconductor element bonded on the first semiconductor element. The first semiconductor element includes a first substrate, a common conductive feature in the first substrate, a first inter-level dielectric (ILD) layer, a first interconnection feature and a conductive plug connecting the first interconnection feature to the common conductive feature. The second semiconductor element includes a second substrate, a second ILD layers over the second substrate and a second interconnection feature in second ILD layers. The device also includes a conductive deep plug connecting to the common conductive feature in the first semiconductor element and the second interconnection feature. The conductive deep plug is separated with the conductive plug by the first ILD layer.
Methods of making semiconductor X-Ray detector
Disclosed herein is an image sensor and a method of making the image sensor. The image sensor may comprise one or more packages of semiconductor radiation detectors. Each of the one or more packages may comprise a radiation detector that comprises a radiation absorption layer on a first strip of semiconductor wafer and an electronics layer on a second strip of semiconductor wafer. The radiation absorption layer may be continuous along the first strip of semiconductor wafer with no coverage gap. The first strip and the second strip may be longitudinally aligned and bonded together. The radiation detector may be mounted on a printed circuit board (PCB) and electrically connected to the PCB close to an edge of the radiation detector.
An image sensor includes a first photodiode formed in a first substrate. A first deep-trench isolation (DTI) structure is in the first substrate and surrounds the first photodiode. A first inter-dielectric layer having a first circuit structure is formed on the first substrate. A bonding layer is between the first inter-dielectric layer and a second inter-dielectric layer. The second-inter dielectric layer having a second circuit structure is on the bonding layer. A connection wall is disposed in the first inter-dielectric layer, the bonding layer, and the second inter-dielectric layer to physically connect the first circuit structure and the second circuit structure. A second substrate is disposed on the second inter-dielectric layer. A second photodiode is formed in the second substrate. A second DTI structure is in the second substrate and surrounds the second photodiode.
Image sensors employing sensitized semiconductor diodes
An image sensor device includes a semiconductor substrate, including an array of pixel circuits, which define respective pixels of the device. A photosensitive layer is formed over the semiconductor substrate and configured to transfer charge to the pixel circuits in response to light incident on the photosensitive layer. An upper layer is formed over the photosensitive layer and is at least partially transparent to the light. Opaque partitions extend vertically through the upper layer in a checkerboard pattern aligned with the pixels in the array.
Structure and method for 3D Image sensor
An image sensor structure that includes a first semiconductor substrate having a plurality of imaging sensors; a first interconnect structure formed on the first semiconductor substrate; a second semiconductor substrate having a logic circuit; a second interconnect structure formed on the second semiconductor substrate, wherein the first and the second semiconductor substrates are bonded together in a configuration that the first and second interconnect structures are sandwiched between the first and second semiconductor substrates; and a backside deep contact (BDCT) feature extended from the first interconnect structure to the second interconnect structure, thereby electrically coupling the logic circuit to the image sensors.
Infra-red response enhancement for image sensor
A semiconductor body of a first conductivity type and doped with a first doping level includes, at a front side surface thereof, a well of a second conductivity type and a region doped with the first conductivity type at a second doping level greater than the first doping level. An insulated vertical gate structure separates the region from the well. Buried iInsulated electrodes extend from the front side surface completely through the well and into a portion of the semiconductor body underneath the well. A conductive material portion of each buried insulated electrode is configured to receive a bias voltage and a conductive material portion of insulated vertical gate structure is configured to receive a gate voltage. The semiconductor body is delimited by a capacitive deep trench isolation that is biased at the same voltage as the buried insulated electrode.
Solid-state imaging device and electronic apparatus
The present technology relates to a solid-state imaging device that can achieve a higher resolution while increasing sensitivity. In a pixel array unit, pixels are formed with a combination of a first pixel that performs photoelectric conversion on light of a first color component with a first photoelectric conversion unit, and photoelectric conversion on light of a third color component with a second photoelectric conversion unit; a second pixel that performs photoelectric conversion on light of the first color component with a first photoelectric conversion unit, and on light of a fifth color component with a second photoelectric conversion unit; and a third pixel that performs photoelectric conversion on light of the first color component with a first photoelectric conversion unit, and on light of a sixth color component with a second photoelectric conversion unit. The first color component and the sixth color component are mixed, to generate white (W).
Semiconductor device and method of forming the same
A semiconductor device includes a substrate, wherein the substrate includes a channel region. The semiconductor device further includes an isolation feature in the substrate. The isolation feature includes a first portion in the substrate, and a second portion extending along a top surface of the substrate. The second portion partially covers the channel region. The semiconductor device further includes a gate structure over the substrate, wherein the gate structure partially covers the second portion of the isolation feature.
Fabrication of thin-film electronic devices with non-destructive wafer reuse
Thin-film electronic devices such as LED devices and field effect transistor devices are fabricated using a non-destructive epitaxial lift-off technique that allows indefinite reuse of a growth substrate. The method includes providing an epitaxial protective layer on the growth substrate and a sacrificial release layer between the protective layer and an active device layer. After the device layer is released from the growth substrate, the protective layer is selectively etched to provide a newly exposed surface suitable for epitaxial growth of another device layer. The entire thickness of the growth substrate is preserved, enabling continued reuse. Inorganic thin-film device layers can be transferred to a flexible secondary substrate, enabling formation of curved inorganic optoelectronic devices.
Digital circuit having correcting circuit and electronic apparatus thereof
Provided is a digital circuit (30) that comprises: a switching circuit (31) having first transistors (32, 33) supplied with power supply potentials (VDD, VSS); correcting circuits (34, 36) connected between an input terminal (IN) inputted with an input signal and control terminals (gates) of the first transistors; capacitors (C2, C3) connected between the control terminals and the input terminal; diode-connected second transistors (35, 37) that are provided between nodes (N5, N6) between the capacitors and the control terminals and the power supply potentials and have the substantially same threshold voltage as the first transistors; and switches (SW2, SW3) connected in series with the second transistors.
Semiconductor memory device and manufacturing method thereof
A semiconductor memory device according to an embodiment includes: a semiconductor substrate; an insulating film provided on the semiconductor substrate; a conductive layer group including at least two conductive layers; a stacked body provided on the conductive layer group and including a plurality of films stacked; a memory film provided in a hole, the hole penetrating the stacked body and a part of the conductive layer group; and a slit splitting the stacked body and terminating at a position deeper than a contact portion between the conductive layer group and the memory film. The conductive layer group has a band-shaped part projecting to the stacked body side at a portion of the hole, and a groove part recessed to the semiconductor substrate side at a portion under the slit.
Integrated circuit with decoupling capacitor in a structure of the triple well type
A well of a first conductivity type is insulated from a substrate of the same first conductivity type by a structure of a triple well type. The structure includes a trench having an electrically conductive central part enclosed in an insulating sheath. The trench supports a first electrode of a decoupling capacitor, with a second electrode provided by the well.
Cell boundary structure for embedded memory
Various embodiments of the present application are directed to a method for forming an embedded memory boundary structure with a boundary sidewall spacer. In some embodiments, an isolation structure is formed in a semiconductor substrate to separate a memory region from a logic region. A multilayer film is formed covering the semiconductor substrate. A memory structure is formed on the memory region from the multilayer film. An etch is performed into the multilayer film to remove the multilayer film from the logic region, such that the multilayer film at least partially defines a dummy sidewall on the isolation structure. A spacer layer is formed covering the memory structure, the isolation structure, and the logic region, and further lining the dummy sidewall. An etch is performed into the spacer layer to form a spacer on dummy sidewall from the spacer layer. A logic device structure is formed on the logic region.
Using three or more masks to define contact-line-blocking components in FinFET SRAM fabrication
A plurality of gate stacks is formed over a substrate. The gate stacks are surrounded by a dielectric structure. A plurality of contact-line-blocking patterns is formed over the dielectric structure. The contact-line-blocking patterns are formed using three or more lithography masks. A plurality of trenches is formed in the dielectric structure. The contact-line-blocking patterns serve as protective masks for the dielectric structure to prevent trenches from being formed in portions of the dielectric structure underneath the contact-line-blocking patterns. The trenches are filled with a conductive material to form a plurality of contact lines of the SRAM device.
Integrated circuit devices including fin shapes
Integrated circuit devices are provided. An integrated circuit device includes a substrate having first and second fin-shaped Field Effect Transistor (FinFET) bodies protruding from the substrate. The first and second FinFET bodies have different respective first and second shapes in a first region and a second region, respectively, of the integrated circuit device.
Fabricating method of oxide layer within peripheral circuit region
A method of changing a formation rate of silicon oxide includes providing a substrate, wherein two conductive lines are disposed on the substrate and a recess is between the conductive lines. Later, a cleaning process is performed to clean the substrate and the conductive lines using diluted hydrofluoric acid. After the cleaning process, a silicon oxide layer is formed to cover a sidewall and a bottom of the recess, wherein a formation rate of the silicon oxide layer at the bottom of the recess is greater than a formation rate of the silicon oxide layer at the sidewall of the recess.
Methods of fabricating semiconductor devices
A method of fabricating a semiconductor device includes forming an interlayer insulating structure on a substrate, forming a contact hole that penetrates the interlayer insulating structure to expose the substrate, forming an amorphous silicon layer including a first portion and a second portion, the first portion covering a top surface of the substrate exposed by the contact hole, the second portion covering a sidewall of the contact hole, providing hydrogen atoms into the amorphous silicon layer, and crystallizing the first portion using the substrate as a seed.
Semiconductor structures including an integrated FinFET with deep trench capacitor and methods of manufacture
An integrated FinFET and deep trench capacitor structure and methods of manufacture are disclosed. The method includes forming at least one deep trench capacitor in a silicon on insulator (SOI) substrate. The method further includes simultaneously forming polysilicon fins from material of the at least one deep trench capacitor and SOI fins from the SOI substrate. The method further includes forming an insulator layer on the polysilicon fins. The method further includes forming gate structures over the SOI fins and the insulator layer on the polysilicon fins.
Integrated memory and integrated assemblies
Some embodiments include an integrated assembly having a capacitor. The capacitor has a storage node configured as an upwardly-opening container shape. The container shape has a first side surface and a second side surface. The first and second side surfaces are along outer edges of the container shape and are in opposing relation to one another. The second side surface has a lower portion vertically overlapped by the first side surface, and has an upper portion which is not vertically overlapped by the first side surface. A middle-level lattice is adjacent to the first side surface and supports the first side surface. A higher-level lattice is adjacent to the second side surface and supports the second side surface. Some embodiments include integrated memory (e.g., DRAM).
Dynamic random access memory structure and method for preparing the same
The present disclosure provides a DRAM cell structure. The DRAM cell structure includes a substrate, a gate structure disposed in the substrate, a first source/drain region and a second source/drain region disposed in the substrate respectively at two sides of the gate structure, a landing pad disposed over the second source/drain region, a plurality of conductive pillars disposed on the landing pad, a conductive layer disposed over the plurality of conductive pillars, and a dielectric layer disposed between the conductive layer and the plurality of conductive pillars. The plurality of conductive pillars have at least a first width and a second width, and the first width and the second width are different from each other.
Impedance circuit with poly-resistor
An impedance circuit includes a first poly-resistor and a second poly-resistor. The first poly-resistor has a first terminal coupled to a first node, and a second terminal coupled to a second node. The second poly-resistor has a first terminal coupled to the first node, and a second terminal coupled to the second node. The resistance between the first terminal and the second terminal of the first poly-resistor is determined according to a first control voltage. The resistance between the first terminal and the second terminal of the second poly-resistor is determined according to a second control voltage. The first control voltage and the second control voltage are determined according to a first voltage at the first node and a second voltage at the second node.
A link device with a large density routing is attached to a package in order to provide a high-density interconnect pathway to interconnect semiconductor devices. In an embodiment the package is an integrated fan out package. The link device may be bonded on either side of the package, and the package may optionally comprise through package vias. The link device may also be an integrated passive device that includes resistors, inductor, and capacitor components.
Methods to form reduced form factor radio frequency system-in-package
Methods to form stacked circuit assemblies include mounting a first wireless device component to a first surface of a substrate and placing a second wireless device component over the first wireless device component such that the first wireless device component is disposed between the second wireless device component and the first surface of the substrate such that a first overhanging portion of the second wireless device component extends beyond a periphery of the first wireless device component. The first wireless device component is in communication with the second wireless device component and second wireless device component is in communication with the substrate.
Chip package having die structures of different heights and method of forming same
Structures and formation methods of a chip package are provided. The chip package includes a substrate, a first chip stack attached to the substrate, and a second chip stack attached to the substrate. The first chip stack and the second chip stack being attached to a same side of the substrate. The chip package further includes a molding compound layer surrounding the first chip stack and the second chip stack. The molding compound layer covers a topmost surface of the first chip stack. A topmost surface of the molding compound layer is substantially coplanar with a topmost surface of the second chip stack.
Sintering materials and attachment methods using same
Methods for die attachment of multichip and single components may involve printing a sintering paste on a substrate or on the back side of a die. Printing may involve stencil printing, screen printing, or a dispensing process. Paste may be printed on the back side of an entire wafer prior to dicing, or on the back side of an individual die. Sintering films may also be fabricated and transferred to a wafer, die or substrate. A post-sintering step may increase throughput.
Substrate structure and electronic device having coarse redistribution layer electrically connected to fine redistribution layer
A substrate structure includes a first portion, a second portion, and an intermedia portion disposed between the first and the second portion and the electrically connected business. The first portion includes a first fine redistribution layer (RDL) and a first coarse RDL. The first coarse RDL includes a first coarse conductive pattern, electrically connected to the first fine conductive pattern, where a, the first coarse RDL includes a first coarse conductive pattern Layout density of the first fine conductive pattern is denser than that of the first coarse conductive pattern. The second portion includes at least one of a second fine RDL and a second coarse RDL. An electronic device including a substrate structure is also provided.
Semiconductor package and manufacturing method thereof
A semiconductor device structure and a method for manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a semiconductor device structure (e.g., a sensor device structure), and method for manufacturing thereof, that comprises a three-dimensional package structure free of wire bonds, through silicon vias, and/or flip-chip bonding.
Warpage control in package-on-package structures
A package includes a bottom substrate and a bottom die over and bonded to the bottom substrate. A metal-particle-containing compound material is overlying a top surface of the bottom die, wherein the metal-particle-containing compound material comprises metal particles. A molding material molds at least a lower part of the bottom die therein, wherein the molding material is overlying the bottom substrate.
Package and manufacturing method thereof
A package includes a plurality of dies, a wall structure, an encapsulant, and a redistribution structure. The wall structure surrounds at least one of the dies. The encapsulant encapsulates the dies and the wall structure. A first portion of the encapsulant penetrates through the wall structure. The redistribution structure is disposed on the encapsulant and is electrically connected to the dies and the wall structure.
Semiconductor structure, integrated circuit device, and method of forming semiconductor structure
A semiconductor structure, integrated circuit device, and method of forming semiconductor structure are provided. In various embodiments, the semiconductor structure includes a substrate containing a high topography region and a low topography region, an outer protection wall on an outer peripheral portion of the high topography region next to the low topography region, and an anti-reflective coating over the outer protection wall, the high topography region, and the low topography region.
Semiconductor device package and method of manufacturing the same
A semiconductor device package includes a substrate, a first electronic component, a first package body, an electrical contact and a first conductive layer. The substrate has a first surface, a second surface and a lateral surface extending between the first surface and the second surface. The first electronic component is disposed on the first surface of the substrate. The first package body encapsulates the first electronic component. The electrical contact is disposed on the second surface of the substrate. The first conductive layer includes a first portion and a second portion. The first portion is disposed on the first package body and the lateral surface of the substrate. The second portion contacts the electrical contact.
Package structure and method for forming the same
Package structures and methods for forming the same are provided. A package structure includes a package layer. The package structure also includes an integrated circuit die and a first connector embedded in the package layer. The package structure further includes a redistribution layer over the package layer. The integrated circuit die is electrically connected to the redistribution layer through the first connector. In addition, the package structure includes a passivation layer over the redistribution layer. The package structure also includes a second connector over the passivation layer. A first portion of the redistribution layer and a second portion of the second connector extend into the passivation layer. The second portion of the second connector has a tapered profile along a direction from the integrated circuit die towards the first connector.
Stacked multilayer structure and manufacturing method thereof
A stacked multilayer structure according to an embodiment of the present invention comprises: a stacked layer part including a plurality of conducting layers and a plurality of insulating layers, said plurality of insulating layers being stacked alternately with each layer of said plurality of conducting layers, one of said plurality of insulating layers being a topmost layer among said plurality of conducting layers and said plurality of insulating layers; and a plurality of contacts, each contact of said plurality of contacts being formed from said topmost layer and each contact of said plurality of contacts being in contact with a respective conducting layer of said plurality of conducting layers, a side surface of each of said plurality of contacts being insulated from said plurality of conducting layers via an insulating film.
Via blocking layer
An embodiment includes an apparatus comprising: a metal layer comprising a plurality of interconnect lines on a plurality of vias; an additional metal layer comprising first, second, and third interconnect lines on first, second, and third vias; the first and third vias coupling the first and third interconnect lines to two of the plurality of interconnect lines; a lateral interconnect, included entirely within the additional metal layer, directly connected to each of the first, second, and third interconnect lines; and an insulator layer included entirely between two sidewalls of the second via. Other embodiments are described herein.
Semiconductor device extension insulation
A semiconductor device includes: a plurality of vertical conductive structures, wherein each of the plurality of vertical conductive structures extends through an isolation layer; and an insulated extension disposed horizontally between a first one and a second one of the plurality of vertical conductive structures.
Feedthrough assemblies and methods of forming same
Various embodiments of a feedthrough assembly and methods of forming such assemblies are disclosed. In one or more embodiments, the feedthrough assembly can include a non-conductive substrate and a feedthrough. The feedthrough can include a via from an outer surface to an inner surface of the non-conductive substrate, a conductive material disposed in the via, and an external contact disposed over the via on the outer surface of the non-conductive substrate. The external contact can be electrically coupled to the conductive material disposed in the via. And the external contact can be hermetically sealed to the outer surface of the non-conductive substrate by a bond surrounding the via. In one or more embodiments, the bond can be a laser bond.
Interposer with extruded feed-through vias
A semiconductor device comprises an interposer with extruded feed-through vias and a semiconductor die. The interposers includes a substrate having a plurality of through-vias. A dielectric liner lining said through-vias. A plurality of feed-thru electrically conducting features provided by a plurality of extruded metal wires within said dielectric liner. A semiconductor die attached to said interposer.
Multi-layer solder resists for semiconductor device package surfaces and methods of assembling same
A multi-layer solder-resist provides useful adhesion to a semiconductor device package substrate while allowing for increasingly small geometries of bond pads and spacings.
Robust through-silicon-via structure
Methods and apparatus entailing an interconnect structure comprising interconnect features disposed in dielectric material over a substrate. Each interconnect feature comprises an interconnect member and a via extending between the interconnect member and a conductive member formed within the dielectric material. A through-silicon-via (TSV) structure is formed laterally offset from the interconnect structure by forming a first portion of the TSV structure with a first conductive material and forming a second portion of the TSV structure with a second conductive material. Forming the second portion of the TSV structure occurs substantially simultaneously with forming one of the interconnect features.
Electrostatic discharge protection device and fabrication method thereof
An electrostatic discharge (ESD) protection device includes a substrate including a device region and an ESD protection structure formed on the substrate in the device region. The device region includes a center region and edge regions separated by the center region, while the ESD protection structure includes a plurality of gate structures. The ESD protection device also includes a dielectric layer formed to cover the plurality of gate structures and a plurality of heat dissipation structures formed on the dielectric layer with each heat dissipation structure aligned with a corresponding gate structure along a direction perpendicular to a surface of the substrate. The area size of each heat dissipation structure aligned with a corresponding gate structure in the center region is larger than the area size of each heat dissipation structure aligned with a corresponding gate structure in the edge region.
Thermal dissipation through seal rings in 3DIC structure
A die includes a semiconductor substrate, a through-via penetrating through the semiconductor substrate, a seal ring overlying and connected to the through-via, and an electrical connector underlying the semiconductor substrate and electrically coupled to the seal ring through the through-via.
Power semiconductor device and package
A power semiconductor device and package includes multiple electrically parallel semiconductor device legs designed to share source regions and share a drain region between two devices in each leg laterally staggered from each other to distribute thermal conductivity across the shared source regions. A multitude of jigsaw patterned lateral isolation trenches are formed in a substrate of the device. The trenches are configured to isolate the laterally staggered line-in and line-out source regions from a common drain region of the plurality of semiconductor device legs. The staggered devices are also designed for staggered time and staggered heat conductivity delays and current spreading from the package input to an output of a respective pair of devices to improve current and heat conductivity from the package input to an output of a subsequent pair of devices.
In a semiconductor device, a plurality of semiconductor chips included in an upper-arm circuit are connected in parallel between a pair of upper-arm plates, while a plurality of semiconductor chips included in a lower-arm circuit are connected in parallel between a pair of lower-arm plates. In each of the arm circuits, the plurality of semiconductor chips are arranged in a direction perpendicular to a direction in which emitter electrodes and pads are arranged, the pads are disposed on the same side of the emitter electrodes, and signal terminals extend in the same direction. A series-connecting part between the upper- and lower-arm circuits includes a joint part 20 continued to respective side surfaces of the corresponding upper- and lower-arm plates. Each of inductances of respective parallel-connecting parts of the upper- and lower-arm plates which connect the semiconductor chips in parallel is smaller than an inductance of the series-connecting part.
Semiconductor devices and methods of formation thereof
In one embodiment, a semiconductor device includes a first contact pad disposed at a top side of a workpiece, a second contact pad disposed at the top side of the workpiece. An isolation region is disposed between the first contact pad and the second contact pad. A metal strip is disposed at least partially within the isolation region. The metal strip is not coupled to an external potential node.
Interposer, method of manufacturing interposer, and method of manufacturing semiconductor package
An interposer includes a substrate having a mounting area and a test area, first conductive plugs separate from each other, the first conductive plugs being disposed along a first direction and into the test area of the substrate, a first line pattern group including first non-conductive patterns disposed on first centers of the first conductive plugs, and first conductive patterns disposed to bridge first peripheries of a first adjacent pair of the first conductive plugs, and first pads connected to the first conductive patterns at both first ends of the first line pattern group.
Cell-like floating-gate test structure
Various embodiments of the present application are directed to an integrated circuit (IC) comprising a floating gate test device with a cell-like top layout, as well as a method for forming the IC. In some embodiments, the IC comprises a semiconductor substrate and the floating gate test device. The floating gate test device is on the semiconductor substrate, and comprises a floating gate electrode and a control gate electrode overlying the floating gate electrode. The floating gate electrode and the control gate electrode partially define an array of islands, and further partially define a plurality of bridges interconnecting the islands. The islands and the bridges define the cell-like top layout and may, for example, prevent process-induced damage to the floating gate test device.
Device arrangement structure assembly and test method
An assembly includes a wafer having a top wafer surface and a wafer circumference and a device arrangement structure. The device arrangement structure includes a first surface having a perimeter, the perimeter being encircled by the wafer circumference in a plan view. The device arrangement structure also includes an array of devices, each device of the array of devices having an electrical contact on the first surface. The assembly has an adhesive element that affixes the device arrangement structure in a stationary position relative to the wafer.
Wafer-scale testing of photonic integrated circuits using horizontal spot-size converters
Disclosed herein are methods, structures, and devices for wafer scale testing of photonic integrated circuits.
Forming transistor by selectively growing gate spacer
A method includes forming a gate dielectric layer on a semiconductor fin, and forming a gate electrode over the gate dielectric layer. The gate electrode extends on sidewalls and a top surface of the semiconductor fin. A gate spacer is selectively deposited on a sidewall of the gate electrode. An exposed portion of the gate dielectric layer is free from a same material for forming the gate spacer deposited thereon. The method further includes etching the gate dielectric layer using the gate spacer as an etching mask to expose a portion of the semiconductor fin, and forming an epitaxy semiconductor region based on the semiconductor fin.
Method for manufacturing multi-voltage devices using high-K-metal-gate (HKMG) technology
Some embodiments relate to an integrated circuit including a semiconductor substrate including a multi-voltage device region. A first pair of source/drain regions are spaced apart from one another by a first channel region. A dielectric layer is disposed over the first channel region. A barrier layer is disposed over the dielectric layer. A fully silicided gate is disposed over the first channel region and is vertically separated from the semiconductor substrate by a work function tuning layer. The work function tuning layer separates the fully silicided gate from the barrier layer.
Processing method for workpiece
A processing method for a workpiece includes: a holding step of holding the workpiece by a chuck table; a groove forming step of moving the chuck table in a processing feeding direction at a first speed, and sequentially cutting a plurality of division lines extending in a first direction by a first cutting blade to form the workpiece with grooves along the division lines; a first deep-cutting step of further cutting the grooves, by a second cutting blade, to thereby deep-cut the grooves, during when the groove forming step is performed; and a second deep-cutting step of moving the chuck table in the processing feeding direction at a second speed higher than the first speed, and further cutting by the second cutting blade those of the grooves which have not been deep-cut in the first deep-cutting step, to thereby deep-cut those grooves, after the groove forming step.
Interconnection structure of semiconductor device
Structures and formation methods of a semiconductor device structure are provided. The semiconductor device structure includes a first conductive feature in a first dielectric layer and a second conductive feature over the first dielectric layer. The semiconductor device structure also includes a conductive via between the first conductive feature and the second conductive feature. The conductive via includes an etching stop layer over the first conductive feature, a conductive pillar over the etching stop layer, and a capping layer surrounding the conductive pillar and the etching stop layer. The first conductive feature and the second conductive feature are electrically connected to each other through the capping layer, the conductive pillar, and the etching stop layer. The semiconductor device structure further includes a second dielectric layer over the first dielectric layer and below the second conductive feature. The second dielectric layer surrounds the conductive via.
Integrated circuit with conductive line having line-ends
A semiconductor device is disclosed, including a plurality of conductive features disposed over a substrate. A dielectric layer separates the conductive features. A conductive line is provided, connecting a subset of the conductive features. The conductive line includes a line-like portion and a line-end portion.
Substrate fixing device
A substrate fixing device includes a baseplate, an electrostatic chuck, and an insulating layer interposed between the baseplate and the electrostatic chuck. The insulating layer includes a heating element formed of a first material and a wiring line connected in series to the heating element. The wiring line includes a first conductive layer formed of the first material and a second conductive layer joined onto the first conductive layer. The second conductive layer is formed of a second material having a resistivity lower than the resistivity of the first material.
Adaptive inset for wafer cassette system
The present disclosure relates to a wafer cassette system having an adaptive inset configured to enable wafers having a first diameter to be held by a wafer cassette configured to hold wafers having a second diameter larger than the first diameter. The wafer cassette system includes a wafer cassette having a first plurality of wafer slots configured to receive one or more wafers having a first diameter. An adaptive inset is arranged in an interior cavity of the wafer cassette. The adaptive inset has a second plurality of wafer slots configured to receive one or more wafers having a second diameter that is less than the first diameter. The adaptive inset allows for the wafer cassette to hold wafers having the second diameter, thereby enabling semiconductor processing tools to processes wafer having a different diameter than those able to be held by wafer cassettes that the tools can receive.
System and method for heat treatment of substrates
A system and/or method for heat treatment of substrates. The system includes a housing that defines a heating chamber and a door assembly that encloses an opening of the heating chamber. The door assembly may be opened and closed. When opened, the door assembly defines a loading slot for loading substrates into and unloading substrates from the heating chamber. The door assembly is coupled to a first actuator and a control unit is coupled to the actuator to move the door assembly between a plurality of loading positions. The system may also include a loading assembly mounted to the door assembly to facilitate insertion and removal of substrates from the heating chamber.
Method of fabricating an interposer
A method of fabricating an interposer includes: providing a carrier substrate; forming a unit redistribution layer on the carrier substrate, the unit redistribution layer including a conductive via plug and a conductive redistribution line; and removing the carrier substrate from the unit redistribution layer. The formation of the unit redistribution layer includes: forming a first photosensitive pattern layer including a first via hole pattern; forming a second photosensitive pattern layer including a second via hole pattern and a redistribution pattern on the first photosensitive pattern layer; at least partially filling insides of the first via hole pattern, the second via hole pattern, and the redistribution pattern with a conductive material; and performing planarization to make a top surface of the unit redistribution layer flat. According to the method, no undercut occurs under a conductive structure and there are no bubbles between adjacent conductive structures, thus device reliability is enhanced and pattern accuracy is realized.
A semiconductor may include a substrate including a cell array region and a TSV region, an insulation layer disposed on the substrate and having a recess region on the TSV region, a capacitor on the insulation layer of the cell array region, a dummy support pattern disposed on the insulation layer of the TSV region and overlapping the recess region, when viewed in plan, and a TSV electrode penetrating the dummy support pattern and the substrate.
Multiple patterning method using mask portions to etch semiconductor substrate
Methods for patterning in a semiconductor process are described. A dummy layer is formed having a cut therein. A first sacrificial layer is formed over the dummy layer, and at least a portion of the first sacrificial layer is disposed in the cut. A second sacrificial layer is formed over the first sacrificial layer. The second sacrificial layer is patterned to have a first pattern. Using the first pattern of the second sacrificial layer, the first sacrificial layer is patterned to have the first pattern. The second sacrificial layer is removed. Thereafter, a second pattern in the first sacrificial layer is formed comprising altering a dimension of the first pattern of the first sacrificial layer. Using the second pattern of the first sacrificial layer, the dummy layer is patterned. Mask portions are formed along respective sidewalls of the patterned dummy layer. The mask portions are used to form a mask.
Semiconductor device packages and stacked package assemblies including high density interconnections
A method of forming a semiconductor device package includes: (1) providing an electronic device including an active surface and a contact pad adjacent to the active surface; (2) forming a package body encapsulating portions of the electronic device; and (3) forming a redistribution stack, including: forming a dielectric layer over a front surface of the package body, the dielectric layer defining a first opening exposing at least a portion of the contact pad; and forming a redistribution layer (RDL) over the dielectric layer, the RDL including a first trace, wherein the first trace includes a first portion extending over the dielectric layer along a first longitudinal direction adjacent to the first opening, and a second portion disposed in the first opening and extending between the first portion of the first trace and the exposed portion of the contact pad, wherein the second portion of the first trace has a maximum width along a first transverse direction orthogonal to the first longitudinal direction, and the maximum width of the second portion of the first trace is no greater than 3 times of a width of the first portion of the first trace, wherein the second portion of the first trace is disposed between and spaced from opposing sidewalls of the dielectric layer defining the first opening.
Fin patterning methods for increased process margins
The present disclosure provides a method in accordance with some embodiments. The method includes forming a material layer that includes an array of fin features, wherein at least one fin feature has a first material on a first sidewall and a second material on a second sidewall that is opposite to the first sidewall, wherein the first material is different from the second material. The method further includes exposing the second sidewall of the at least one fin feature and removing the at least one fin feature.
In situ fabrication of horizontal nanowires and device using same
Methods of in situ fabrication and formation of horizontal nanowires for a semiconductor device employ non-catalytic selective area epitaxial growth to selectively grow a semiconductor material in a selective area opening of predefined asymmetrical geometry. The selective area opening is defined in a dielectric layer to expose a semiconductor layer underlying the dielectric layer. The non-catalytic selective area epitaxial growth is performed at a growth temperature sufficient to also in situ form a linear stress crack of nanoscale width that is nucleated from a location in a vicinity of the selective area opening and that propagates in a uniform direction along a crystal plane of the semiconductor layer in both the semiconductor layer and the dielectric layer as a linear nanogap template. The semiconductor material is further selectively grown to fill the linear nanogap template to in situ form the nanowire that is uniformly linear.
Apparatus and methods for backside passivation
Provided apparatus and methods for back side passivation of a substrate. The systems comprise an elongate support with an open top surface forming a support ring so that when a substrate is on the support ring, a cavity is formed within the elongate support. A plasma generator is coupled to the cavity to generate a plasma within the cavity to deposit a passivation film on the back side of the substrate.
Ion migration tube and method of operating the same
The present disclosure provides an ion migration tube and a method of operation the same. The ion migration tube includes an interior space and an ion gate disposed within the interior space, the interior space includes an ionization region having an absolute value of potential V1 and a migration region. An ion gate is disposed between the ionization region and the migration region and includes a first ion gate grid having an absolute value of potential V2 and a second ion gate grid having an absolute value of potential V3, the migration region comprises at least a first migration region electrode having an absolute value of potential V4 and a second migration region electrode having an absolute value of potential V5. When the ion gate is opened, a potential well is formed for ionized ions between the first ion gate grid and the first migration region electrode so as to compress an ion group entering the migration region.
Hollow cathode plasma source
The present invention relates to a hollow cathode plasma source and to methods for surface treating or coating using such a plasma source, comprising first and second electrodes (1, 2), each electrode comprising an elongated cavity (4), wherein dimensions for at least one of the following parameters is selected so as to ensure high electron density and/or low amount of sputtering of plasma source cavity surfaces, those parameters being cavity cross section shape, cavity cross section area cavity distance (11), and outlet nozzle width (12).
Electron microscope and imaging method
An electron microscope for observation by illuminating an electron beam on a specimen, includes: an edge element disposed in a diffraction plane where a direct beam not diffracted by but transmitted through the specimen converges or a plane equivalent to the diffraction plane; and a control unit for controlling the electron beam or the edge element. The edge element includes a blocking portion for blocking the electron beam, and an aperture for allowing the passage of the electron beam. The aperture is defined by an edge of the blocking portion in a manner that the edge surrounds a convergence point of the direct beam in the diffraction plane. The control unit varies contrast of an observation image by shifting, relative to the edge, the convergence point of the direct beam along the edge while maintaining a predetermined distance between the convergence point of the direct beam and the edge.
Device with ion column and scanning electron microscope
A device with an ion column and a scanning electron microscope comprises at least one column detector of signal electrons placed inside or on the ion column. Signal generated on the sample is detected on the column detector during landing of a broad beam generated by the scanning electron microscope on the sample surface.
An anode has a base member, on which an X-ray active layer is applied. A first cooling circuit with a first cooling medium extends at least in part in the base member beneath the X-ray active layer. A second cooling circuit with a second cooling medium is arranged beneath the first cooling circuit. The anode exhibits distinctly improved thermo mechanical properties.