Method and apparatus for assigning assemblies to component fitting lines
Provided is a method for allocating assemblies to placement lines for placing components on the assemblies, in order to achieve a minimum variation in components with a predefinable maximum capacity utilization in terms of time for each placement line, wherein the component variation is determined as the sum of the number of component types required on the placement lines and an expected production time is determined for each assembly type of the assemblies to be provided with components and for each placement line, taking into consideration each cycle time for the assembly type on the placement line, each reset time, the degree of utilization for each line and the expected number of pieces to be produced for each assembly type.
Inspection apparatus and component mounting system having the same
A component mounting system and a method for inspecting mounted components are provided. A component mounting system according to an embodiment, comprises a solder inspection apparatus comparing coordinate information of the solder, which is obtained through measurement of a substrate to which solder is applied, with reference coordinate information to generate coordinate correction data; and a first mounting inspection apparatus comparing a first measurement data obtained by measuring mounting state of a component when the component is mounted based on the coordination correction data through a component mounting apparatus, with the coordinate correction data to verify whether a component is mounted on a position corrected based on the coordinate correction data. In this manner, by adding the verification function for the performance function of the component mounting apparatus to the inspection apparatus, it is possible to monitor the operation state of the component mounting apparatus in each process step.
Electromagnetic shield component and wire harness
An electromagnetic shield component that includes a first tube that has conductivity; a flexible shield; and a second tube externally fitted to the first tube with the flexible shield disposed between the first tube and the second tube, wherein: a protrusion is provided on an inner circumferential surface of the second tube over an entire length of the inner circumferential surface in a circumferential direction, the protrusion protruding toward the flexible shield and holding the flexible shield in a pressed state between the first tube and the second tube, and an outer circumferential surface of the protrusion is smoother than an outer circumferential surface of a portion of the second tube where the protrusion is not formed.
Immersion cooling infrastructure module having compute device form factor
A removable immersion cooling infrastructure module can have a form factor equivalent to that of one or more of the computing devices being cooled by immersion cooling, thereby enabling the immersion cooling infrastructure module to be installed and removed in the same simplified and efficient manner. Moreover, the quantity of immersion cooling infrastructure modules can be varied depending on need, since the immersion cooling infrastructure modules and computing devices can be interchangeable within the openings designed to house the computing devices. An immersion cooling infrastructure module can comprise a filter, a pump that can circulate the immersion cooling liquid through the filter, a power supply and a controller, with the module receiving power, and, optionally, communications and other like connectivity, from the same source as the computing devices.
Method for manufacturing exterior housing and electronic device comprising same
An electronic device of the present invention comprises: an exterior housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a display of which at least a part is exposed through the first surface; and a polymer plate which forms at least a part of the second surface of the housing. The polymer plate comprises: at least one opaque layer; at least one polymer layer that is translucent or transparent and is disposed on the at least one opaque layer; and a coating layer that is disposed on the at least one polymer layer and has a hardness greater than or equal to a selected hardness. Each of the at least one opaque layer, the at least one polymer layer, and the coating layer may comprise a first surface, and a second surface extending from the first surface so that at least a part thereof is bent. Other embodiments are also possible.
Adapters for electronic control unit
An engine control system includes an integrated engine control module assembly having an engine control module and an adapter module. The integrated engine control module assembly further includes a first connector, a second connector, and a hermetic enclosure. The first connector includes a connection circuit configured to connect the integrated engine control module assembly to engine hardware. The second connector is configured to connect the adapter module to engine hardware. The hermetic enclosure houses the engine control module and is configured to protect the engine control module from environmental conditions.
Conductive polymers within drilled holes of printed circuit boards
A triggering condition is applied to a conductive polymer positioned in a drilled hole in a printed circuit board. The applied triggering condition causes the polymer to vertically expand within the drilled hole such that the expanded polymer creates an electrically conductive path between contact pads located in different layers of the printed circuit board.
System and method for manufacture of circuit boards
Methods, systems, and apparatus for fabricating a circuit board. The method includes fabricating, using an additive manufacturing device, a trace layer, a sacrificial layer, a rail layer and a lid. The method includes placing the sacrificial layer on the trace layer such that the raised traces protrude through corresponding openings of the sacrificial layer. The method includes depositing a conductive material on top of the sacrificial layer and the plurality of traces. The method includes removing the sacrificial layer from the trace layer and placing the rail layer on the trace layer such that the raised traces align with the corresponding openings of the rail layer. The method includes connecting one or more electrical components and melting a sealing sheet on top of the rail layer and the electrical components to reinforce connections and to provide protection. The method includes placing the lid on top of the sealing sheet.
Deformable electrical contacts with conformable target pads
Deformable electrical contacts with conformable target pads for microelectronic assemblies and other applications are provided. A plurality of deformable electrical contacts on a first substrate may be joined to a plurality of conformable pads on a second substrate during die level or wafer level assembly of microelectronics, for example. Each deformable contact deforms to a degree that is related to the amount of joining pressure between the first substrate and the second substrate. The deformation process also wipes each respective conformable pad with the deformable electrical contact to create a fresh metal-to-metal contact for good conduction. Each conformable pad collapses as pressured by a compressible material to assume the approximate deformed shape of the electrical contact, providing a large conduction surface area, while also compensating for horizontal misalignment. Temperature can be raised to melt a dielectric, which encapsulates the electrical connections, equalizes gaps and variations between the two substrates, and permanently secures the two substrates together.
Transparent electrode and method for manufacturing same
The present application relates to a transparent electrode and a method for manufacturing the same. The transparent electrode includes a transparent substrate, a self-assembled monolayer on the transparent substrate, and a metal nanowire layer on the self-assembled monolayer. The method includes forming a self-assembled monolayer including a polar functional group on a transparent substrate and forming a metal nanowire layer on the self-assembled monolayer.
Flexible circuit board having enhanced bending durability and method for preparing same
A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.
Electrode embedded member
An electrode embedded member includes a plate-shaped substrate having a front surface and a back surface and that is made of a ceramic, an inner electrode extending parallel to the front surface of the substrate and that is embedded in the substrate, a connection member extending parallel to the front surface of the substrate and that is disposed so as to overlap the inner electrode, and a terminal connected to the connection member. The electrode embedded member has a predetermined structure including at least one of the following: a first predetermined structure in which a thickness of at least a part of the connection member in a direction perpendicular to the front surface of the substrate is 0.2 mm or smaller; a second predetermined structure in which the connection member includes a cutout portion; and a third predetermined structure in which the connection member is composed of a mesh structure.
Compact standing-wave linear accelerator structure
A standing-wave linear accelerator structure has an electron gun; a first cavity axially adjacent to the electron gun, into which electrons are injected directly from the electrode gun; a pancake cavity disposed adjacent to the electron gun on a side of the first cavity opposite the electron gun; and a plurality of accelerating cavities including both on-axis cavities and side-coupled cavities, disposed serially after the at least one pancake cavity, to accelerate electrons injected from the electron gun through a central aperture formed in each of the on-axis cavities. The first cavity and the pancake cavity together form a buncher cavity. The accelerator structure omits the prebuncher and buncher cavities while retaining their functions.
Droplet generator for lithographic apparatus, EUV source and lithographic apparatus
An EUV source for generating a beam of EUV radiation, has a droplet generator with a nozzle assembly to emit droplets of fuel from a nozzle towards a plasma formation location. The nozzle assembly receives the fuel from a reservoir. The nozzle assembly has a pump chamber receiving the fuel from the reservoir and an actuator to vibrate a membrane that forms a wall of the pump chamber. The wall is oriented perpendicularly to a direction wherein the nozzle emits the fuel. The nozzle assembly has first and second nozzle filters non-adjacently arranged in series in a path of the fuel from the pump chamber to the nozzle.
Color temperature sensor
A color temperature sensor assembly comprising a sensor body, a substantially dome shaped diffuser extending through an opening in the sensor body, a substantially flat diffuser disposed within the sensor body below the first diffuser, and a color temperature sensing module disposed below the flat diffuser and adapted to detect a color temperature of light collected by the dome shaped diffuser and the flat diffuser. The shape of the dome diffuser helps capture light from all angles to bring in more light to the sensor and provide more accurate readings. The secondary flat diffuser is adapted to further diffuse the light to reduce light concentration and prevent inaccurate readings. The color temperature readings from the color temperature sensor assembly may be used to control at least one lighting load.
Frequency-to-current/voltage converter based mixed-mode LED drivers
LED backlight circuits for a display and methods for operating the circuits are disclosed. The LED backlight circuit includes a set of drivers and a set of LED strings. A driver can control a light output level of the LED strings. The LED strings can be controlled by a mixed-mode LED driver that utilizes a PWM control signal over a first range of light output levels and an analog control signal over a second range of light output levels. Clock signals used for PWM control and for frequency-to-current or frequency-to-voltage conversion for analog control can both be generated from a phase locked loop (PLL).
Systems for providing tunable white light with high color rendering
The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.
Exterior aircraft light unit and aircraft comprising the same
An exterior aircraft light unit includes at least two light sources. Each light source is provided with a variable current bypass component. Each variable current bypass component is configured to allow bypassing an adjustable electric current by the respective light source.
Electrode removal device and vehicle positioning system and method of use
An electrode adjustment device and a vehicle positioning system for positioning the electrode adjustment device adjacent a furnace. The electrode adjustment device is utilized for adjusting the electrode during maintenance of the furnace (e.g., removal of the electrode for replacement or repair, repair of the refractory material, or other like furnace or electrode repair). When the electrode adjustment device is moved to a location adjacent the furnace, it is used to apply force under the bottom electrode to break the connection between the bottom electrode and the furnace. After the connection is broken the bottom electrode is pushed up into the furnace vessel by the electrode adjustment device until the electrode can be removed. After removing the bottom electrode, the electrode adjustment device is covered with debris and can be cleaned adjacent the furnace.
The invention proposes to introduce a method for a Radio Access Network for providing “Local Switching” between call legs of a call. Within said method the Radio Access Network receives a call identifier for a leg of a call from a Core Network to be handled by the Radio Access Network. The Radio Access Network stores said received call identifier, compares said received call identifier with stored call identifiers for call legs of calls via said Radio Access Network. If said received call identifier matches a stored call identifier the Radio Access Networks establish local switching of call legs identified by the matching call identifier. In an alternative embodiment, the invention proposes to introduce a method for a Core Network for providing local switching for call legs of a call. Within said method the Core Network receives or generates a call identifier for a leg of a call. The Core Network stores said received call identifier and identifies a respective Radio Access Network for said leg of said call. Thereafter, the Core Network compares said call received identifier with stored call identifiers for call legs of calls via said identified Radio Access Network. If said received call identifier matches a stored call identifier enforce local switching of call legs identified by the matching call identifier. The invention furthermore provides for respective Nodes of the respective Networks employing the invention.
BLE scatternet system and method
A BLE network includes a first piconet including a first master scanner and a first group of low-power slave/advertisers for transmitting wireless advertisements. Circuitry in the first master/scanner wirelessly scans to detect an advertisement transmitted by a first slave/advertiser of the first group and transmits a connection request in response to the detecting, and transmits a schedule for subsequent advertisements after an initial advertisement by the first slave/advertiser. Circuitry in the first slave/advertiser transmits the initial advertisement, receives an acceptance a resulting connection request, establishes association with the first master scanner, and then causes the first slave/advertiser to go to sleep, to wake up and transmit subsequent advertisements according to the schedule and accept resulting connection requests, and transmits available data to the first master/scanner, and goes back to sleep.
Call termination method, application processor, and modem
Embodiments of the present invention relate to the field of communications technologies, and disclose a call termination method, an application processor, and a modem. In this solution, the application processor receives a hang-up instruction and sends a first message to the modem according to the hang-up instruction, where the first message is used to trigger the modem to directly terminate a call. The modem may terminate the call in a timely manner according to the first message. Therefore, a time consumed in call termination is reduced and efficiency is improved.
Method for adjusting tracking area update timing in wireless communication system, and apparatus therefor
According to an aspect of the present invention, a method for adjusting a Periodic-Tracking Area Update (P-TAU) timing performed by a user equipment in a wireless communication system may include transmitting P-TAU support information indicating that an adjustment of the P-TAU timing is available to a Mobility Management Entity (MME) through an Attach request message or a TAU request message; receiving a request accept message with respect to the Attach request message or the TAU request message; and adjusting the P-TAU timing in accordance with an eDRX application timing based on the P-TAU timing adjustment condition information when the request accept message includes the −TAU timing adjustment condition information.
Base station grouping for topology hiding
A method for topology hiding is disclosed, comprising: receiving, at a gateway, the gateway positioned between a core network and a radio access network, a configuration information request from a base station; analyzing, at the gateway, a topology of the radio access network, the radio access network including the base station; grouping, at the gateway, the base station into a first group based on the topology; sending, from the gateway to the base station, a grouping message to indicate that the base station be placed in the first group; and terminating connections from the core network to one or more base stations in the first group at the gateway as a back-to-back proxy, thereby hiding the topology of the radio access network from the core network.
Method and device for performing communication by using virtual terminal in inter-vehicle communication system
A method by which a user equipment (UE) performing communication controls a virtual UE, includes transmitting, to a base station (BS), at least one of information on the UE or information on a service provided by the UE, wherein the BS determines whether the virtual UE is registered or removed, based on the at least one of the information on the UE or the information on the service provided by the UE; receiving, from the BS, a connection reconfiguration command message, wherein the connection reconfiguration command message includes information on a determination of the BS of whether the virtual UE is registered or removed; and registering or removing the virtual UE based on the information on the determination of the BS included in the connection reconfiguration command message.
Connection failure report considering bandwidth
A wireless device receives a radio resource control message from a first base station. The radio resource control message comprises bandwidth part (BWP) configuration parameters of a plurality of BWPs of a first cell. The BWP configuration parameters comprise: an index of a BWP of the plurality of BWPs; and a field indicating a bandwidth of the BWP. The wireless device receives transport blocks via one or more of the plurality of BWPs based on the BWP configuration parameters. The wireless device detects, during a time that the BWP is active, a connection failure with the first base station. The wireless device transmits a radio link failure report indicating the connection failure. The radio link failure report comprises: a cell identifier of the first cell; and the index of the BWP.
Ultra-reliable communications using neighboring device-to-device assistance
One feature provides a method operational on a neighboring device for downlink transmission assistance for a target device. The neighboring device monitors a shared asynchronous first channel for broadcast transmissions from a serving access point. The neighboring device also determines if a received first transmission over the shared asynchronous first channel is intended for the target device. For instance, the received first transmission may be captured and decoded. After an expiration of a threshold period of time, the neighboring device relays the received first transmission to the target device over the first channel or a different second channel.
Communication parameter setting method, communicating apparatus, and managing apparatus for managing communication parameters
When a plurality of managing apparatuses which manage communication parameters exists, there is a case where the wrong communication parameters are set into a communicating apparatus. When the communication parameters are set between the managing apparatus which manages the communication parameters and the communicating apparatus, if a plurality of managing apparatuses in a setting state of the communication parameters into the communicating apparatus is detected, the managing apparatus in the setting state is notified that the plurality of managing apparatuses in the setting state exists. Whether or not the setting of the communication parameters is continued is discriminated, thereby continuing or stopping the setting of the communication parameters.
Communication system and method of controlling communication system
A controller and a plurality of client apparatuses form a wireless home network. Predetermined setting information necessary for each client apparatus to communicate with the controller is input to each client apparatus, for example, through a path via a remote controller in a manner of communication different from a manner of communication of the wireless home network. Each client apparatus has the input setting information retained in an internal memory to automatically connect to the wireless home network later.
Wireless communication system and method of controlling a transmission power
A base station is provided which notifies a mobile station of transmission power information for an uplink RACH, the mobile station transmits transmission delay estimation information on the RACH to the base station over the RACH at a transmission power based on the transmission power information, and the base station changes the transmission power information according to the transmission delay estimation information and notifies the mobile station of the changed transmission power information. The mobile station retransmits data or a preamble if the mobile station does not receive a notification that the base station has received the data or the preamble correctly after a predetermined time. The base station transmits the transmission power information over a BCH and a CPICH transmitted to a plurality of mobile stations.
Adaptive antenna steering based on wireless MAC state
An information handling system may include a network interface device; an antenna communicatively coupled to the network interface device to communicatively couple the information handling system to a wireless network device; and an antenna optimization system to selectively switch the antenna between an omni-directional antenna electromagnetic radiation pattern during listening periods for channel occupancy during collision avoidance protocol to a directed electromagnetic radiation pattern emission during data transmissions directed to the wireless network device.
Apparatus, system and method of neighbor awareness networking (NAN) communication
Some demonstrative embodiments include apparatuses, systems and/or methods of communicating over a data path. For example, an apparatus may include logic and circuitry configured to cause a Neighbor Awareness Networking (NAN) device to generate a message including an indication of a plurality of communication resources and one or more availability type indications corresponding to the plurality of communication resources, an availability type indication corresponding to a communication resource is configured to indicate an availability mode of the NAN device to communicate data over a data path using the communication resource; and to transmit the message.
Data transmission method and apparatus
Embodiments of the present disclosure provide a data transmission method and apparatus. The method includes sending, by a base station to UE, a downlink control channel used to schedule downlink data. The method further includes indicating, by the base station, a first time-frequency resource domain and a second time-frequency resource domain using the downlink control channel. A downlink data channel is sent on a time-frequency resource that is in the first time-frequency resource domain and that does not belong to the second time-frequency resource domain.
Device and method of handling a scheduling request
A communication device for handling a scheduling request (SR) is configured to execute instructions of: receiving a configuration of a first logical channel (LC), a configuration of a second LC and a first SR configuration associated to the first LC, from a network; triggering the SR; transmitting the SR via at least one physical resource configured by the first SR configuration to the network, if the SR is triggered by first data of the first LC available for a first transmission; and transmitting a random access (RA) preamble for the SR in at least one RA resource to the network, if the SR is triggered by second data of the second LC available for a second transmission.
Determining a priority order based on an uplink transmission parameter
Apparatuses, methods, and systems are disclosed for determining a priority order based on an uplink transmission parameter. One apparatus includes a receiver that receives an uplink grant corresponding to an uplink transmission parameter. The apparatus includes a processor that determines a priority order of multiple logical channels based on an uplink transmission parameter priority corresponding to the uplink transmission parameter and a logical channel priority of the multiple logical channels. The processor assigns resources to logical channels of the multiple logical channels based on the priority order.
Antenna system and restarting method thereof
An antenna system includes: a plurality of antennas; a switching unit, having a plurality of switches, wherein each of the plurality of switches and the corresponding antenna are in a conducting state or in a non-conducting state; a communication unit, connected with each of the plurality of switches of the switching unit, and coupled with the antennas, wherein the communication unit receives a reference value group of the corresponding antenna from the switch in the conducting state; and a control unit, connected with the switching unit and the communication unit, wherein the control unit receives the reference value group from the communication unit, and compares the reference value group with an threshold, to determine whether the reference value group conforms to a pre-determined condition or not, and outputs a restarting instruction to restart the switching unit when the reference value group does not satisfy the pre-determined condition.
Terminal, base station, transmission method, and reception method
A reception processor receives the cell detection reference signals, each of the cell detection reference signals being transmitted from corresponding one of a plurality of cells. An RRM report generator generates measurement information indicating a measurement result of reception quality measured using the cell detection reference signal. A transmission processor transmits the measurement information. The cell detection reference signals are mapped to any one of a plurality of candidate resources, which is a part of a plurality of resources set for other reference signals in a subframe to which the cell detection reference signals are mapped.
Opportunistic resource sharing between devices
Techniques for opportunistic resource sharing between mobile devices are described. A method comprises identifying a set of homogeneous device resources implemented by multiple devices based in part on resource configuration information received by a wireless transceiver, selecting a shared homogeneous device resource of one of the multiple devices to share between the multiple devices, and sending shared configuration information to identify the shared homogeneous device resource and a share role for each of the multiple devices. Other embodiments are described and claimed.
Hierarchical beam management
Information associated with a communication service need of the user is received from a user of a client computer system. A set of communication service requirements that indicate satellite resources required to satisfy the communication service need of the user are computed based on the received information, and transmitted to a server computer system. A first beam plan that satisfies the set of communication service requirements is received from the server computer system. The first beam plan includes information on satellite beams and spectra for allocation to the user when the first beam plan is deployed to provide a communication service to the user that satisfies the communication service need of the user. Instructions are transmitted to the server computer system to deploy the first beam plan. Information is received from the server computer system indicating that the first beam plan is deployed.
Method, device and system for controlling air interface resource
Embodiments of the present application provide a method, device and system for controlling an air interface resource and relates to the field of communications, which improves air interface resource utilization. The method includes: when a core network device or user equipment detects that service data is not transmitted over a communication channel between the two devices by using an air interface resource, switching a first frequency of sending a hello packet to a peer device to a second frequency, and sending a frequency switching message to instruct the peer device also to switch the first frequency of sending a hello packet to the second frequency, so that when the hello packet is not detected within a packet detection period, an access network device releases an air interface resource occupied by a first communication channel.
Data transmission method and apparatus
This application provides a data transmission method and apparatus. The method performed by a network node includes: receiving an uplink data transmission request sent by a terminal, where the uplink data transmission request is used to request to allocate an uplink transmission resource; allocating an uplink transmission resource of a first subframe according to the uplink data transmission request, where the first subframe is an uplink subframe or a downlink subframe; sending scheduling control information to the terminal, where the scheduling control information is used to instruct the terminal to send data on the uplink transmission resource of the first subframe; and if the first subframe is a downlink subframe, stopping sending data in the first subframe, and receiving data on the uplink transmission resource of the first subframe.
Semi-persistent scheduling for autonomous transmission activation and release
Described is an apparatus of a User Equipment (UE). The apparatus may comprise a first circuitry and a second circuitry. The first circuitry may be operable to process a first Downlink Control Information (DCI) format 0A transmission indicating a semi-persistent scheduling (SPS) activation. The first circuitry may also be operable to process a second DCI format 0A transmission indicating an SPS release. The second circuitry may be operable to generate one or more Uplink (UL) transmissions for an unlicensed spectrum of the wireless network after the SPS activation and before the SPS release in accordance with a configured schedule.
Wireless communications method and apparatus
A wireless communications method is provided and applied to a communications system using a frequency domain resource with a specified bandwidth. The frequency domain resource is divided into at least two frequency domain resource groups, each frequency domain resource group includes at least one resource block, the at least two frequency domain resource groups belong to a same cell. The method includes: determining, from the at least two frequency domain resource groups, a target frequency domain resource group to be allocated to a target terminal device, where the target frequency domain resource group includes at least one frequency domain resource group; sending first indication information to the target terminal device, where the first indication information is used to indicate the target frequency domain resource group; and performing wireless communication with the target terminal device by using the target frequency domain resource group. Therefore, different user requirements can be flexibly met.
Physical uplink control channel (PUCCH) configuration for new-radio-spectrum sharing (NR-SS)
Wireless communications systems and methods related to multiplexing uplink control channel signals from different users are provided. A first wireless communication device obtains an uplink control channel multiplex configuration indicating a first frequency spreading sequence and at least one of a second frequency spreading sequence or a first spatial direction. The first wireless communication device communicates, with a second wireless communication device, a first uplink control channel signal including a first reference signal and a first uplink control information signal in a frequency spectrum based on the uplink control channel multiplex configuration. The first reference signal is based on the first frequency spreading sequence and the first uplink control information signal is based on at least one of the second frequency spreading sequence or the first spatial direction.
Mobile communication system, user terminal, base station, processor, and communication control method
A mobile communication system includes a base station that configures a plurality of cells. The plurality of cells include D2D supporting cell that supports D2D communication in which data communication is directly performed between terminals and D2D non-supporting cell that does not support the D2D communication. The base station transmits D2D information indicating that the D2D communication is permitted in the base station. Based on a measurement report received from a user equipment, the base station is further configured to perform handover of the user equipment from the D2D non-supporting cell to the D2D supporting cell, after receiving notification information from the user equipment indicating an interest in performing the D2D communication by the user terminal.
Wireless transmitting and receiving device and vehicle
There are provided: a first communication device; a second communication device that communicates wirelessly with the first communication device; and a state detector that outputs state data indicating a state of a predetermined installation place. The first communication device includes: a storage; and a data controller that selectively executes a transmitting operation to transmit the state data to the second communication device and a storing operation to store the state data in the storage. The second communication device includes a signal generator that generates a stop notification signal notifying that the second communication device in operation stops an operation, and stops the operation after transmitting the stop notification signal to the first communication device. The data controller executes the transmitting operation before the stop notification signal is transmitted from the second communication device, and executes the storing operation after the stop notification signal is transmitted from the second communication device.
Antenna monitoring system including cloud based server communication via cellular telephone transceiver and related methods
An antenna monitoring system includes a cloud based server, and sensor devices, with each sensor device including a portable housing to be mounted on a respective directional antenna, and at least one alignment sensor carried by the portable housing and configured to sense alignment of the respective directional antenna. Each sensor also includes a cellular telephone transceiver carried by the portable housing, and a controller carried by the portable housing, and configured to collect alignment data from the at least one alignment sensor, and communicate with the cloud based server via the cellular telephone transceiver. The cloud based server may include a processor and a memory coupled thereto and configured to provide at least one user interface associated with the alignment data for the sensor devices.
Method and apparatus for configuration agnostic radio synchronization
In accordance with an example embodiment of the present invention, methods and apparatus are provided to allow exchange of synchronization sequences in a manner substantially agnostic of a configuration of the transmitter by provisioning of an in indication whether or not synchronization sequences may be combined with other synchronization sequences.
Synchronization method for synchronizing clocks of a bluetooth device
A Bluetooth device with a host system and a controller is disclosed. The host system supports a host stack of a Bluetooth protocol, and the controller supports a controller stack of the Bluetooth protocol. The device includes an interface for receiving, at the controller, a piconet-synchronized signal. The device also includes an interface for providing, by the controller to the host system, a derivative of the piconet-synchronized signal. The device also includes a circuit for determining a latency of the providing. The device also includes a circuit for synchronizing, at the host system of the Bluetooth device, a host clock with a timing reference of a master device of the Bluetooth piconet using said latency and the derivative of the piconet-synchronized signal.
Uplink timing advance configuration in a wireless network
A wireless device receives at least one message comprising configuration parameters of a plurality of cells grouped into a plurality of timing advance groups (TAGs). A TAG is configurable to consist of one or more downlink-only cells if the wireless device has a first capability, otherwise each TAG comprises one or more downlink-uplink cells. The wireless device receives at least one timing advance command (TAC) for a first TAG. The wireless device applies the TAC to uplink transmission timing of at least one downlink-uplink cell in the first TAG.
High-frequency signal processing apparatus and wireless communication apparatus
A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.
Methods and devices for sending and receiving wake-up frame
A method for sending a wake-up frame includes generating, by a sending device, a plurality of short wake-up frames, where each of the plurality of short wake-up frames includes an index and an address segment. The index is used to indicate a number of the address segment, the plurality of short wake-up frames include at least N short wake-up frames whose indexes are different from each other, N is a positive integer, and N≥2. The method further includes sending, by the wake-up device, the plurality of short wake-up frames so that a receiving device can determine, based on N address segments carried in any N short wake-up frames whose indexes are different from each other in the plurality of short wake-up frames, whether the receiving device is a target wake-up device of the sending device.
Method and device in UE and base station used for power saving
The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for power saving. The UE first determines a first time-frequency resource set and K1 signature sequences, and then monitors the K1 signature sequences in the first time-frequency resource set; if any one of the K1 signature sequences is found in the first time-frequency resource set, the UE is woken up; the K1 signature sequences are used for generating K1 radio signals respectively; the first time-frequency resource set is one of K2 candidate time-frequency resource sets; and at least one of K1 and K2 is greater than 1. According to the present disclosure, the design of the K1 signature sequences effectively reduces the complexity of the UE detecting a wakeup signal, meanwhile, the number of UEs associated with one wakeup signal is flexibly configured.
Methods and devices for enabling reception of beam sweep transmissions
There is disclosed a method performed by a wireless communication device to enable the reception of a beam sweep transmission. The method comprises obtaining information enabling said wireless communication device to determine whether it is stationary, or essentially stationary. The method also comprises acquiring configuration information comprising information about the starting time for the beam sweep transmission. The method also comprises determining a time when to initiate a reception of the beam sweep transmission based at least partially on the obtained information and the acquired configuration information, thereby allowing said wireless communication device to enter, or remain in, a first activity state until the determined time. The method also comprises entering, at the determined time, a second activity state whereby said wireless communication device is capable to receive the beam sweep. There is also disclosed a complementary method performed by a radio network node as well as corresponding devices and computer programs.
Wake-up radio advertisement channel
This disclosure describes systems, methods, and devices related to wake-up radio (WUR) advertisement channels. A device may include a wake-up receiver (WURx) and a primary connectivity radio. The device may determine a wake-up radio (WUR) discovery subchannel for WUR advertisement. The WUR discovery subchannel may be associated with a channel of a frequency band. The device may generate a WUR discovery frame comprising a WUR advertisement. The device may transmit, by the WURx, the WUR discovery frame to a second device using the WUR discovery subchannel. The device may identify a response from the second device indicating an acknowledgment of the WUR discovery frame.
Deactivation timer management in a wireless device and wireless network
A wireless device receives cross carrier scheduling parameter(s). A first control channel of a first cell carries downlink scheduling information for packets received via a downlink data channel of the first cell. A second control channel of a second cell carries uplink scheduling information for second packets transmitted via an uplink data channel of the first cell. A first DCI for uplink transmission is received via the first cell. A first deactivation timer of the first cell and a second deactivation timer of the second cell are started in response to the first DCI. A second DCI for downlink transmission is received via the first cell. The first deactivation timer and not the second deactivation timer is restarted in response to the second DCI. The first cell is deactivated in response to the first deactivation timer expiring. The second cell is deactivated in response to the second deactivation timer expiring.
Automating radio enablement to facilitate power saving
In an example embodiment, there is disclosed herein an apparatus comprising a wireless transceiver and a controller coupled to the wireless transceiver and configured to receive data via the wireless transceiver. The controller operates the wireless transceiver at a first power save state where the wireless transceiver can receive a frame but other circuits are de-energized. The controller is responsive to the wireless transceiver receiving a frame while the wireless transceiver is in a first power state to determine whether the frame is a predefined wakeup frame. The controller provides additional power to the wireless transceiver responsive to determining the frame is a predefined wakeup frame.
Mobile device information sharing
Methods and systems for selective scanning of connection points are disclosed. In one aspect, a non-transitory computer readable storage medium comprises instructions that configure hardware processing circuitry to perform operations. The operations include determining a location of a mobile terminal, storing network capability information associated with one or more connection points within a defined proximity of the location of the mobile terminal, comparing network capabilities of an existing network connection of the mobile terminal to the stored network capabilities associated with the one or more connection points, selectively scanning for the one or more connection points based on the comparison to determine whether the one or more connection points are available; and switching from the existing network connection to one of the one or more connection points based on the availability of the one or more connection points.
Proactive neighbor list optimization for automatic neighbor relation in a cellular wireless network
A method and system for proactively managing a base station neighbor list. A base station or other network node tracks changes to the base station's neighbor list and identifies a recurring pattern of changes, in correspondence with a particular time of day for instance. The base station or other node then proactively changes the base station's neighbor list in anticipation of a recurrence of the identified pattern, such as in anticipation of recurrence of the time of day for instance. Advantageously, this method can help to reduce the extent to which the base station engages in an automatic neighbor relation process, and thus reduce the extent of signaling and other issues associated with engaging in that process.
Neighbor awareness networking—data cluster
One or more wireless stations operate according to Neighbor Awareness Networking (NAN)—direct communication with neighboring wireless stations, e.g., direct communication between the wireless stations without utilizing an intermediate access point. In a NAN system, NAN devices may operate to establish a datapath and multiple NAN devices may operate with one another in the form of a NAN cluster to facilitate communications processes. Portions of the disclosure relate to systems and methods for one or more wireless device (e.g., NAN devices) to transition into a cluster (e.g., a NAN cluster). In particular, wireless devices, having established a datapath, may be further organized into a data cluster (e.g., a NAN data cluster) within a cluster, which may be usable to facilitate the transitioning of a group of connected wireless devices (e.g., data clusters) between clusters.
Method for handover between inter-RAT cells and apparatus
The present application discloses a method and an apparatus. In the present application, a radio access network RAN server receives a measurement report from a terminal, determines a target inter-RAT cell of the terminal based on the measurement report, and configures a resource for the terminal in the target inter-RAT cell. The configured resource is a resource to be used by the terminal to access the target inter-RAT cell. The RAN server sends a handover command to the terminal. The handover command is used to instruct the terminal to hand over to the target inter-RAT cell, and the handover command carries an identifier of the target inter-RAT cell and information about the configured resource. In this way, when handover is performed between inter-RAT cells, handover can be implemented without across core networks, thereby reducing signaling exchange between a source core network and a target core network.
Reference signal power measurement filtering
A wireless communication device and method for filtering a power measurement of a reference signal received by a wireless communication device, by measuring, with a receiver, a current reference signal power and a current cell specific reference signal (CRS) power of the reference signal; generating, by a processor, a measurement reliability coefficient based on the current reference signal power and the current CRS power; and filtering, by a filter, the current reference signal power using the generated measurement reliability coefficient to generate a filtered reference signal power, wherein the measuring, generating, and filtering are performed in a physical layer.
Proactive handover in response to prediction of precipitation
While a device is served on a first wireless connection on a first carrier that has a first center frequency, a determination will be made that a threshold high probability of precipitation is forecast for a location of the first wireless connection. In response to at least that determination, but before the forecast precipitation occurs, the device will then be reconfigured from being served on the first wireless connection on the first carrier to instead being served on a second wireless connection on a second carrier that has a second center frequency lower than the first center frequency, with the reconfiguring being based on the second center frequency being lower than the first center frequency. Proactively switching the device to a lower carrier based on the prediction of precipitation may help to minimize rain fade and associated issues.
Controlled transition from dual-connectivity to single-connectivity
Disclosed are methods and systems for configuring service of a user equipment device (UE). When the UE has dual-connectivity service, such as EN-DC service, poor quality on one of the UE's air-interface connections could result in transition of the UE to single-connectivity service. To address technological issues that may arise in this process, one of the UE's serving Node-Bs (NBs) could control teardown of an access bearer homed to the other of the UE's serving NBs. Further or alternatively, a control-plane signaling path that is homed to one of the UE's serving NBs could be replaced with a control-plane signaling path instead homed to the other of the UE's serving NBs. In addition, in appropriate circumstances, when such reconfiguration occurs, service of the UE could be switched from one core network to another.
Ultra reliable low latency connection support in radio access networks
Methods and systems in which a UE can establish and maintain a data connection to a plurality of Radio Access Nodes for the creation of redundant data links is disclosed. Methods of implementing packet duplication as well as methods of determining when to activate or deactivate packet duplication are also disclosed.
Method and apparatus for non-access stratum message processing during handover in evolved network
A method and an apparatus for non-access stratum (NAS) message processing during handover in an evolved network are provided. The method includes the following steps. An evolved packet core (EPC) receives a message which indicates that a UE is being handed over sent by a source evolved NodeB (S-eNB), and stops sending an NAS message to the UE temporarily. The EPC receives a message which indicates that the UE returns to an S-eNB service area sent by the S-eNB. The EPC sends the NAS message to the UE through the S-eNB, if needed. With the method and the apparatus, the EPC can acquire a location of the UE in time in the case of a handover failure of the UE, a time limit of a retransmission timer is set precisely, and a specific implementation for forwarding an NAS message through an X2 interface is provided.
Data packet sending method, data packet receiving method, data packet sending device and data packet receiving device
Provided are a data packet sending method, a data packet receiving method, a data packet sending device and a data packet receiving device. The data packet sending method includes: determining a first data packet to be sent to a server; when there are two or more first data packets, aggregating the two or more first data packets into one second data packet; and sending the second data packet to the server.
Systems and methods for mobile network guidance for over-the-top applications
Systems and methods for providing mobile network guidance to applications communicating with devices via a mobile network.
Radio resource control in cellular/WLAN aggregation
Embodiments of the present disclosure describe systems, devices, and methods for radio resource control in an aggregation of cellular and wireless local area networks. In embodiments, a Radio Resource Control (RRC) ConnectionReconfiguration message may include WLAN measurement configuration information to indicate a WLAN Group of plural WLAN access points (APs) and to direct monitoring of the WLAN APs of the WLAN Group
Radio terminal, radio station, radio communication system, and methods implemented therein
A radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100).
System and method for qualifying service in multi-spectrum access network
A method, a device, and a non-transitory storage medium are described in which a fixed wireless qualification service is provided. A network device uses test service information pertaining to a radio band and a candidate location from an end device as a basis to qualify prospective fixed wireless service, which is provisioned via a different radio band, at the candidate location. The network device further may calculate expected downlink and uplink values for the prospective fixed wireless service based on differences between the radio bands in terms of bandwidth, utilization factors, path losses, and device loses.
Method for performing measurement and terminal
A method is provided for performing a measurement. The method may be performed by a user equipment (UE) and includes applying both of a measurement subframe pattern for a neighbor cell and a measurement timing configuration for a discovery signal, and selecting at least one or more subframes, to perform the measurement according to the appliance of the measurement subframe pattern and the measurement timing configuration.
Method of providing management and control of hotspots with reduced messaging
Methods, systems, and computer readable media are operable to reduce the messaging needed for efficient control of hotspot activities. A database associating hotspots, their hosting broadband home gateways and their Wireless Access Gateways (WAGs) is developed by a monitor that inspects traffic to and from the access points. The monitor provides a WAG monitoring services to the broadband home gateways that reduces the amount of network traffic, while still allowing broadband access gateways to appropriately enable to disable their hotspots with the corresponding condition of the associated WAGs.
Optimization of traffic load in a distributed antenna system
A system for dynamically routing signals in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The system also includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs and a plurality of Base Transceiver Stations (BTS). The system further includes a plurality of traffic monitoring modules and a network optimization goal and optimization algorithm.
System and method for creating and managing private subnetworks of LTE base stations
Disclosed is a system and methods for creating and maintaining a virtual subnetwork of telecommunication base stations within a wider telecommunication network. In an LTE-based example, the subnetwork includes a connection aggregator that is coupled between the plurality of eNodeBs internal to the subnetwork and one or more MMEs in the outer network. The connection aggregator intercepts all control plane messages between the MMEs and the internal eNodeBs, remaps eNodeB identifiers, and transmits repackaged messages so that the outer network sees the entire subnetwork as a single “giant” eNodeB. The disclosed system and methods enables the operator of the virtual subnetwork to add and shut down eNodeBs as demand for connectivity fluctuates, and to do so such that all changes are unseen by the outer network.
Determining whether a site supports a supercell base station
Apparatuses, methods, and systems for a site survey tool are disclosed. One site survey tool includes an elevated platform comprising a directionally adjustable beam-forming antenna, and operates to adjust an elevation (z coordinate) of the adjustable beam-forming antenna, a ground unit that operates to adjust to a plurality of locations (x and y coordinates). The elevated platform and the ground unit operate to determine an angular spread boundary of a supercell base station, determine a power azimuth angular spectrum threshold needed in order for the supercell base station to support adaptive sectorization, estimate a power azimuth angular spectrum of a site, and determine that the site supports the supercell base station if the estimated power azimuth angular spectrum of the site is less than the power azimuth angular spectrum threshold at the angular spread boundary.
Utilizing machine learning to provide closed-loop network management of a fifth generation (5G) network
A device receives analytics data associated with management of a network associated with the device, core data associated with a core domain of the network, edge data associated with an edge domain of the network, and radio access network (RAN) data for a RAN associated with the network. The device processes the analytics data, the core data, the edge data, and the RAN data, with a machine learning model, to determine actions to be performed with respect to the core domain of the network, the edge domain of the network, and/or the RAN. The device causes the actions to be performed by one or more core devices associated with the core domain of the network, one or more edge devices associated with the edge domain of the network, and/or one or more RAN devices associated with the RAN.
Disabling a mobile device that has stolen hardware components
A first hardware component identifier may be read for a first hardware component of a computing device. The reading of the first hardware component identifier for the first hardware component may be performed by a processor of the computing device reading a read-only memory of the first hardware component. A second hardware component identifier and an alert indicator over a network may be received. The second hardware component identifier and the alert indicator may correspond with the first hardware component. The first hardware component identifier may be compared with the second hardware component identifier. The computing device may be disabled when the first hardware component identifier matches the second hardware component identifier and the alert indicator indicates that the first hardware component has been reported stolen.
Method, apparatus, and platform for sharing wireless local area network
A method, an apparatus, and a platform for sharing a wireless local area network, so as to resolve a problem of low system security that exists in a process of currently implementing wireless local area network sharing. In the embodiments of the present invention, a wireless local area network sharing platform receives a wireless local area network sharing message generated by a first terminal based on locally saved wireless local area network sharing information and generates, according to the sharing information, identifier information corresponding to a wireless local area network sharing page; a second terminal accesses a wireless local area network according to the identifier information.
Security protection to prevent unauthorized use of mobile network extenders
In one illustrative example, a mobile network extender has a network interface configured to connect with a host router and a cellular modem configured to provide a wireless link for communications via a cellular mobile network. In a pairing process, the extender may establish a secure encrypted channel with the router via the network interface. In a locking process, the extender may receive information from the router and verify the information. Upon verification, the extender may be set in a locked state in which the extender is logically locked to the router. The extender may also receive and store a secret session key from the router, and permit the router to acquire the extender for communications. In the locked state, the extender may permit or deny subsequent router acquisition upon router reconnection based on verifying, using the secret session key, authentication data received via the network interface.
Single sign-in for IoT devices
In one example of the technology, a first third-party service is registered with the IoT support service. A first IoT device of a plurality of IoT devices is caused to be provisioned with the IoT support service. An authentication token is received for the first IoT device. The authentication token is based on an authentication of the first IoT device with the first third-party service. The authentication token is verified. The first IoT device is authenticated with the IoT support service based on the verification.
Portable terminal device and method for operating the same
A portable terminal device and a method for operating the same are provided. The portable terminal device includes a communicator configured to perform communication with an external device, a display configured to display a same image as an image displayed on the external device, an inputter configured to receive an input of a selection command, and a controller configured to perform an operation corresponding to an object included in the image at a time when the selection command is input.
Managing clustered subscriptions
Systems and methods are provided for managing clustered subscriptions. A method for managing clustered subscriptions may include identifying radio frequency enabled devices, each having a radio frequency enabled device unique identifier, to add to a cluster; requesting a unique cluster identifier from a control plane within a telecommunications network; generating the unique cluster identifier; associating the unique cluster identifier with each of the radio frequency enabled device unique identifiers; storing, in the control plane, the unique cluster identifier in association with each of the radio frequency enabled device unique identifiers; requesting, via the control plane, a status from each radio frequency enabled device within a subset of the radio frequency enabled devices; and transmitting the status to an external user via a data plane within the telecommunications network.
Method and system for managing session across multiple electronic devices in network system
Embodiments herein provide a method and system for managing session across multiple electronic devices in a network system. The method includes receiving by a target electronic device a first message from a source electronic device which includes a request to transfer context associated with at least one ongoing session on the source electronic device. Further, the method includes sending a response message to the source electronic device which includes a confirmation for the context transfer to. Further, the method includes receiving a Carry Your Own Context (CYOC) container associated with the at least one ongoing session from the source electronic device, wherein the CYOC container consists of cellular parameter information required for seamless session transfer from the source electronic device to the target electronic device. Furthermore, the method includes completing the at least one session transfer using the cellular parameter information received in the CYOC container.
Wireless data network distributed ledger analysis to detect and identify analytic information
In a wireless data network, Radio Access Networks (RANs) exchange user data between User Equipment (UEs) and core networks. The core networks exchange user data between the RANs and external data networks. The core networks transfer core information to distributed ledgers that characterizes the user data exchanges. The distributed ledgers add core data that characterizes core information state changes and store the core information. A data analytics engine filters the core data to detect core information states. The data analytics engine transfers core analytic data associated with the core information states.
Techniques for decoupling authentication and subscription management from a home subscriber server
Techniques are described to provide for authentication and subscription management that are decoupled from a Home Subscriber Server (HSS). In one example, a method includes providing a device profile at an authentication function, wherein the device profile comprises identification information for a device for a plurality of access types including a first identifier for the device associated with a cellular access and a second identifier for the device associated with a wireless local area network access; obtaining an access request message associated with the device for the cellular access, wherein the access request message comprises the first identifier and an authentication attribute; generating authentication information for authenticating the device for the cellular access based, at least in part, on the authentication attribute; and generating, for transmission, an access accept message for the cellular access, wherein the access accept message comprises the first identifier, the second identifier, and the authentication information.
Method and apparatus for providing customization of public safety answering point information delivery
A method providing vehicle incident call services to a user is disclosed. A third-party service center receives a communication from a vehicle over at least one data channel. Signaling is automatically sent to the vehicle from the third-party service center and, in response to the signaling, die third-party service center receives from the vehicle, location information comprising at least the latitude and longitude coordinates of the vehicle. An interactive voice recognition (IVR) system located at the third-party service center is used to determine if the latitude and longitude coordinates are valid. If the coordinates are determined to be valid, the third-party service center provides the user with a selection of vehicle-incident non-emergency response services.
Secure emergency response technology
Technology for securely processing emergency response. The technology includes combining video data from multiple video sources relating to an emergency response scenario. The video data is combined into a multi-video feed that utilizes a particular amount of bandwidth when delivered. From a display of a multi-video feed, a video source may be selected. A single-video feed is then delivered for the selected video source and the single video feed is utilized substantially the same bandwidth and the multi-video feed. Dynamic geofences may also be generated. The dynamic geofence is based on an object that is capable of moving. When the object moves, the dynamic geofence also moves such that the boundaries of the dynamic geofence are fixed relative to the object, even as the object moves. Group members may be associated with the dynamic geofence such that they are alerted when a group member crosses the dynamic geofence boundary.
Wireless communication system, communication method and portable transceiver device
A wireless communication system, a communication method, and a portable transceiver device are provided. The wireless communication system includes a server, a plurality of gateway devices and user-end portable transceivers that are interconnected by a wireless WAN protocol, e.g. LoRa. Each portable transceiver connects a user device via a near-end wireless communication protocol that allows the user device to connect with the server via a gateway device. After the user device sends a message through the portable transceiver, the server discovers another portable transceiver and another gateway device according to a destination address. Thereby, the message can be transmitted via this connection, or a direct voice communication can be performed via a communication channel over this connection. The communication system therefore provides a communication service under the wireless WAN protocol that is an alternative to traditional mobile communications.
Wireless communication system and wireless communication device
There is provided a wireless communication system including a plurality of wireless communication devices that transmits a signal relating to provision of service. The service includes a plurality of stages relating to provision. A plurality of the wireless communication devices correspond to a plurality of the respective stages and transmit the signal corresponding to the stage with radio field intensity corresponding to the stage. In addition, there is provided a wireless communication device including a transmitter that transmits a signal relating to a request of service and a receiver that receives a signal relating to provision of the service from a connection device connected on the basis of a signal relating to the request. The service includes a plurality of stages relating to provision. The transmitter transmits the signal relating to the request corresponding to the stage with radio field intensity corresponding to the stage.
System for connecting a beacon device and a gateway device
Disclosed is a system for connecting a beacon device and a gateway device. The system includes beacon devices and the gateway device. The beacon device belonging to the beacon devices is adapted to provide a bi-directional connection to the GW device and the GW device is adapted to provide a bi-directional connection to an application system. The beacon devices form a multi-hop wireless mesh network, the GW device provides a bi-directional mesh connection to the wireless mesh network, and the wireless mesh network is used for communicating data between the beacon device and the GW device.
Method and system of generating NFC-transaction remotely
A method of performing a transaction between a plurality of devices, the method comprises establishing a communication session between an end device and a first near field communication (NFC)-enabled device. The method further includes receiving instructions from the end device instructing the first NFC-enabled device to move in NFC range of a second NFC device; establishing a NFC session between the first NFC-enabled device and second NFC-enabled device; and sending the transaction data received from the end device to the second NFC device over the NFC session.
Method and apparatus for displaying missed calls on mobile terminal
A displaying method and apparatus in a mobile terminal are provided. The displaying method in a mobile terminal includes displaying a message for a missed call for a first number on an idle screen or a call list screen when the missed call is generated from the first number, displaying a call history for the first number on an incoming call screen or an outgoing call screen when a call is received from the first number or the call is transmitted to the first number, and changing the message for the missed call for the first number when a call is connected to the first number and displaying the changed message.
Method and apparatus for transmitting data via road side unit in wireless communication system
A method and apparatus for transmitting information in a wireless communication system is provided. A road side unit (RSU) for vehicle-to-everything (V2X) communication receives a message indicating an event from a vehicle user equipment (V-UE), and broadcasts information on the event to other V-UEs.
Infrastructure-less indoor navigation in a fire control system
Devices, methods, and systems for infrastructure-less indoor navigation in a fire control system are described herein. One device includes a non-transitory computer readable medium having computer readable instructions stored thereon that are executable by a processor to receive a location of each of a plurality of smoke detectors of a facility, display the location of each of the plurality of smoke detectors in a building information model (BIM) on a user interface, wherein each respective one of the displayed plurality of smoke detectors represents a different smoke detector of the plurality of smoke detectors of the facility, receive a selection of a first displayed smoke detector of the plurality of displayed smoke detectors representing a first smoke detector of the plurality of smoke detectors of the facility, and guide a user to the location of the first smoke detector of the facility responsive to receiving the selection.
Techniques for location state determination by an electronic device
The present disclosure provides for dynamically determining locations of an electronic device. For example, the electronic device may determine a location state transition condition using one or both of a location measurement or an activity status of the electronic device. The electronic device may further determine whether the location state transition condition satisfies a location state transition threshold triggering an entry or exit to or from a first location state. The electronic device may further transition from the first location state to a second location state different from the first location state based on a determination that the location state transition condition satisfies the location state transition threshold.
Matching and tracking of individual and mobile device
Disclosed embodiments provide systems, methods, and computer program products for associating mobile devices with identities of individuals, and tracking such individuals using the location of respective devices. Initially, a user registration process is performed to register an individual for a tracking list. A unique identifier is wirelessly detected from a mobile device in proximity to the individual. The unique identifier is added to the tracking list. The location of the mobile device within the venue is tracked using the unique identifier. When the individual exits the venue, the departure is recorded, and the unique identifier is removed from the tracking list.
Map display of unmanned aircraft systems
Described herein is a method comprising (a) sending unmanned aircraft system (UAS) data providing a first UAS location indication on a map on a display of the computing device, wherein the first UAS location indication comprises an aggregate indication of a plurality of UASs located within a first area on the map, (b) receiving data comprising a request for additional information related to the first UAS location indication, (c) in response to receiving the request for additional information, sending additional location data related to the plurality of UASs, including a plurality of second UAS location indications at a plurality of locations within the first area on the map, wherein each second UAS indication corresponds to a subset of the plurality of UASs represented by the first UAS location indication, and (d) updating the display of the computing device to show the plurality of second UAS location indications.
Method for processing VR audio and corresponding equipment
A method for processing a virtual reality (VR) audio and a corresponding equipment are provided. The method includes acquiring, by a transmitting terminal of a VR audio, an ambisonics signal rotation angle, wherein the ambisonics signal rotation angle is determined according to a first equipment rotation angle corresponding to a receiving terminal of the VR audio, rotating an ambisonics signal according to the acquired ambisonics signal rotation angle, and/or, acquiring, by the transmitting terminal of the VR audio, an order of a mixed order ambisonics (MOA) signal determined according to related information of the VR audio, and extracting an MOA signal from the ambisonics signal according to the order of the MOA signal. Accordingly, an ambisonics signal rotation angle according to a rotation angle of an equipment is determined, the rotation occurs, and an MOA signal is extracted.
Wearable device don/doff sensor
A user interface for a head-mounted wearable device provides many functions to a user. Information about whether the device is being worn (donned) or not worn (doffed) may be acquired in several ways. Force sensing resistors in the device may provide output indicative of the pressure associated with wearing the device. Output from a bone conduction (BC) microphone may be analyzed to determine if the device is in use. Piezoelectric BC speakers typically used to present audio output to a wearer provide changes in voltage corresponding to a change in pressure associated with wearing the device. A BC speaker may emit a signal that is detected by the BC microphone, with changes in the signal strength being used to determine if the device is donned or doffed.
Bone anchor fixture for a medical prosthesis
A screw-shaped anchoring fixture for anchoring a prosthesis in the skull bone. The anchoring fixture comprises a main body configured to be implanted into the bone and a flange configured to function as a stop to prevent the main body from completely penetrating through the bone. The main body comprises a distal tapered apical portion, a first portion, and a second portion. The inner diameter of the second portion is greater than the inner diameter of the first portion. The method for inserting the anchoring fixture includes providing the anchoring fixture, drilling a hole, and inserting the anchoring fixture into the hole until the flange contacts the skull bone, wherein the hole has a diameter that is greater than the inner diameter of the first portion and less than the outer diameter of the second portion.
Bone anchor fixture for a medical prosthesis
A screw-shaped anchoring fixture for anchoring a prosthesis in the skull bone. The anchoring fixture comprises a main body configured to be implanted into the bone and a flange configured to function as a stop to prevent the main body from completely penetrating through the bone. The main body comprises a distal tapered apical portion, a first portion, and a second portion. The inner diameter of the second portion is greater than the inner diameter of the first portion. The method for inserting the anchoring fixture includes providing the anchoring fixture, drilling a hole, and inserting the anchoring fixture into the hole until the flange contacts the skull bone, wherein the hole has a diameter that is greater than the inner diameter of the first portion and less than the outer diameter of the second portion.
Hearing augmentation systems and methods
Various systems and methods are disclosed herein to increase the quality of the sound delivered to a user and allow personalization to optimize listening performance and comfort under atypical listening conditions, environment specific adjustment, and data capture to assist in the personalization of the system to the user's needs and preferences. Features disclosed include sound level rating systems that aggregate noise data detected by user's mobile phones or hearing devices to provide a database of real-time noise levels. Additionally, a user's sound settings may be saved in the system by location so that they may be recalled when re-entering a specific location. A remote clinician may tune a hearing device, or a user can tune the device using a pre-recorded audio sample. Also, a user may replay the last X seconds of audio recorded by their hearing device.
MEMS microphone chip and MEMS microphone
Provided are a MEMS microphone chip and an MEMS microphone. The MEMS microphone chip comprises a substrate, a backplate and a vibration diaphragm, the backplate and the vibration diaphragm constituting two electrodes of a capacitor respectively, the backplate and the vibration diaphragm being suspended above the substrate, the backplate being located between the substrate and the vibration diaphragm, and the substrate being provided with a back chamber and a support column, the support column being connected to a side wall of the back chamber via a connection portion, a through hole or a notch being formed in the connection portion through its thickness direction, to allow spaces at opposite sides of the connection portion to communicate with each other; and the support column being configured to support the backplate.
MEMS devices and processes
The application describes MEMS transducers having a patterned membrane electrode which incorporates a plurality of openings or voids. A conductive element is provided on the surface of the underlying membrane within the opening.
The present disclosure provides a speaker, including a holder, a vibration unit, a magnetic circuit unit, and an electrical connection member. The vibration unit includes a diaphragm and a voice coil located at one side of the diaphragm and driving the diaphragm to vibrate and emit sound. The electrical connection member is electrically connected to the voice coil and elastically supporting the voice coil. The electrical connection member includes a support portion supporting an end of the voice coil facing away from the diaphragm, an elastic arm arranged spaced apart from the support portion, and opposite ends of the elastic arm along a side of the voice coil respectively a joint extending from the support portion. The voice coil is sandwiched and fixed between the first extension arm and the second extension arm.
Acoustic device and acoustic control device
Attenuation of output levels is suppressed while interference due to a plurality of vibrators is reduced.An acoustic control device 30 performs correction processing of correcting phase delay characteristics including transmission systems from exciters 21L and 21R which are first and second vibrators connected with a rigid body, on acoustic signals SR and SL. Thereafter, the acoustic control device 30 controls the exciters 21L and 21R on the basis of the corrected acoustic signals SL1 and SR1.
Apparatus and method for sensing an environment
An apparatus includes a sensor for sensing an environment and a speaker. The apparatus also includes a display capable of displaying video information in multiple directions, wherein the display is configured to display video information in different directions based on information of an object sensed by the sensor. The speaker is configured to generate in multiple directions sound associated with the video information.
A speaker box is provided in the present disclosure. The speaker box comprises a shell, a speaker, a sound guiding channel, an auxiliary sound cavity, a baffle, a cover plate and a sound absorber. The diaphragm of the speaker separates the receiving space into a front sound cavity and a rear cavity, the sound guiding channel communicates the front sound cavity with the outside. The auxiliary sound cavity is provided with the first through hole communicating with the front cavity and the second through hole communicating with the outside, and the baffle completely covers the first through hole. The baffle is provided with a channel, and the auxiliary sound cavity communicates with the front cavity through the channel. The cover plate covers the second through hole. Compared with the related art, the high frequency acoustic performance of the speaker box of the present disclosure is excellent.
Hearing device with flat flexible electric connection
The invention relates to a hearing device that comprises a flexible electric connection between device components that are pivotably connected to each other. The electric connection comprises an originally flat flexible circuit comprising one or more electric conductors embedded in a flexible substrate. The flexible circuit comprises a centre portion that is curved in its original, flat state and that in its mounted stage is bent to form a turn such that two curved sections of the curved centre portion emerge that are arranged opposite to each other in two spaced apart planes that essentially are parallel to each other.
Ear buds with detachable harness strap
Headphones include an earbud, including a knob-shaped body, an earbud tip extending from the knob-shaped body and configured to enter an ear canal of a listener, a harness strap interface disposed on the knob-shaped body and configured to removably accommodate a detachable harness strap.
Wireless headphones having built-in flexible battery
Wireless headphones having a built-in flexible battery are provided. Wireless headphones having a built-in flexible battery according to an exemplary embodiment of the present invention comprise: a band part having at least one fastening portion; a pair of headset parts, each of which includes a speaker unit for receiving a wirelessly transmitted audio signal and outputting the audio signal to the outside, and is connected to the band part; and a plate-shaped flexible battery which is embedded in the band part so as to supply power to the headset parts, and has a to-be-fastened portion corresponding to the fastening portion so as to be fixed in position when coupled to the band part.
Microphone connector, assembly and system
A microphone connector assembly comprises a receptacle and a sleeve. The receptacle includes a housing, a first cavity formed within the housing, a frame, a protrusion formed on the frame, and a first electrical block supported by the frame and positioned within the first cavity. The sleeve includes an outer shell, a second cavity formed within the outer shell, a keyway, and a second electrical block positioned within the second cavity. The sleeve is insertable into the receptacle such that the protrusion enters the keyway and the first and second electrical blocks engage one another.
Portable speaker system for providing audio channels based on location
A speaker system is provided with a docking station, a removable housing mounted to the docking station, and a transducer supported by the removable housing. The speaker system is also provided with a processor supported by the removable housing and programmed to separate an audio signal into channels and provide at least one channel to the transducer based a location of the removable housing relative to the docking station.
Subrating and multiplexing non-standard rates in ZR and ZR+ optical interfaces
A ZR or ZR+ interface includes circuitry configured to receive one or more client signals; and circuitry configured to transmit the one or more client signals as an aggregate signal in a Flexible Ethernet (FlexE) format in one of a ZR format and a ZR+ format, including a mapping indicative of how the one or more client signals are one of multiplexed and subrated into the aggregate signal. The aggregate signal can have a rate that does not correspond to a standard Ethernet Physical Medium Dependent (PMD). The FlexE format can include a plurality of FlexE instances with at least one of the FlexE instances having calendar slots removed for a subrating application.
Optical network management apparatus and method of allocating optical frequency band
It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
Systems and methods for customizing delivery of advertisements
When a viewer is determined to be interested in an advertisement, a media guidance application may identify a second related advertisement to display to the viewer. The second advertisement may be displayed following the first interesting advertisement. To avoid timing issues, media content following the advertisements may be buffered so that the viewer can catch up on the media content without missing anything.
Method and apparatus for server-side content delivery network switching
A computer implemented method and apparatus for dynamically switching video segment locations (CDNS) during live content/ad manipulation in a completely transparent way to video players. The computer implemented method and apparatus is configured to use a per-user video manifest delivery to track CDN performance based on CDN switch logic from received manifest/playlist requests.
Facilitating mixed service use of bonded satellite transponders
Embodiments facilitating mixed service use of bonded satellite transponders in communication systems are provided. An apparatus comprises a first multiplexer configured to receive first content from first channels of a first type of channel, a second multiplexer configured to receive second content from second channels of a second type of channel, and a transport stream processor (TSP). The TSP can be configured to output the received first content and the second content to modulators respectively associated with different channels for transmission of the first type of channel and the second type of channel, wherein the different channels are transmitted to a bonded satellite transponders, which transmits to a receiver. In some embodiments, the apparatus can comprise a multiplexer aggregator coupled between the TSP and the first multiplexer and the second multiplexer. The first content can be high bit-rate information and the second content can be lower bit-rate information.
User interface for labeling, browsing, and searching semantic labels within video
Systems and methods for browsing, searching, and/or viewing video with associated semantic labels via a user interface are presented herein. Presentation of a user interface may be effectuated. The user interface may be configured to display scenes of one or more videos and/or one or more semantic labels associated with the scenes. A first scene associated with a first video and a first semantic label associated with the first scene may be displayed in the user interface. Playback of the first video in the user interface may cause one or more changes in the display of semantic labels over time, such that responsive to playback of the first video including display of a second scene after the first scene, a second semantic label is displayed and the first semantic label is no longer displayed. The second semantic label may be associated with the second scene.
Systems and methods for requesting electronic programming content through internet content
Systems and methods are disclosed for enabling Internet users to schedule recordings of electronic programming content. One method includes displaying on a web page, over the Internet, a user interface element associated with an advertisement for electronic programming content; wherein selection of the user interface element, by a user of a web browsing device, initiates a recording device of the user, separate from the web browsing device, to schedule a recording of the electronic programming content. Another method for enabling Internet users to request television content includes displaying on a web page, over the Internet, a user interface element associated with an advertisement for television content; wherein a user's selection of the user interface element initiates a request for the advertised television content from a carrier that provides television service to the user.
Browsing and viewing video assets using TV set-top box
Roughly described, a system and method for delivering video content to a user's client device in a video-on-demand (VOD) system, which includes providing a collection of video segments, the segments having a predefined default sequence; establishing a streaming video session according to a session-oriented protocol; transmitting toward the client device a script executable by the client device, the script operable to transmit navigational codes toward the head-end equipment in response to and indicating user selection among navigational choices; beginning transmission of the video segments in the collection toward the client device in accordance with the default sequence of segments; and in response to receipt of one of the navigational codes, and without tearing down the streaming video session, altering the transmission sequence to jump to the segment that the user selected.
Devices, systems, and methods for selecting media content based on advertisement detection
Devices, systems, and methods are provided for assisting user selection of media content viewed utilizing a media receiver. In an embodiment, the method includes the step or process of establishing whether high interest media content is currently displayed via the media receiver. If high interest media content is currently displayed via the media receiver, it is determined when user input is received causing the media receiver to display other media content following commencement of an advertisement set disrupting viewing of the high interest media content. When so determined, the media receiver then monitors for cessation of the advertisement set. If the media receiver does not resume display of the high interest media content prior to cessation of the advertisement set, the media receiver further performs at least one specified action in response to cessation of the advertisement set.
User terminal device and content sharing method thereof
A display device and a method are provided. The display device includes a network interface connected to a network; an internal storage configured to store at least one content; a display; and a processor configured to control the display to display, in a first area of a user interface (UI) screen, a category list, including a video category and a photo category, to enable selection of one category from the list, and control the display to display, in a second area of the UI screen, at least one thumbnail image corresponding to at least one content stored in at least one external device connected through the network interface and at least one thumbnail image corresponding to the at least one content stored in the internal storage.
Described herein are systems and methods for predictive pre-buffering of content for a user. Embodiments include a prediction system that can receive trending information from social media sources and other streaming video sources. The prediction system can also receive user viewing history to identify the programs the user has viewed, the genres of the programs the user has viewed, and amount of programming the user consumes. Based on the user's viewing history, the prediction system can identify preferred genres for the user and other preferred content information. Based on the trending programs and the user's preferred genres, the prediction system can predict which of the trending programs that the user may watch. Based on the prediction, the system can pre-buffer some portion of the programs that the system predicted the user may watch in a cache of the device on which the user watches programming.
Video processing system for demultiplexing received compressed and non-compressed video signals and transmitting demultiplexed signals
The present invention is intended to permit both real-time display of a picture represented by a non-compressed video signal on a television and display of a picture represented by a compressed video signal at any desired time by simultaneously transmitting the compressed video signal and non-compressed video signal via one interface. An STB packetizes a compressed video signal, and multiplexes the compressed video signal and a blanking signal combined with a non-compressed video signal. Thus, both the video signals are transmitted simultaneously. A picture represented by the non-compressed video signal is displayed on a television in real time. The compressed video signal is stored in a storage medium incorporated in the television, read at any user's desired time, and decoded so that a picture represented by the compressed video signal can be viewed at the user's desired time.
Method and system for transmitting on demand videos of fitness sessions on fixed and/or mobile electronic devices
A method and a system of electronic devices that cooperate with one another to implement this method enable the transmission on demand of videos of fitness sessions on fixed and/or mobile electronic devices by: at least one video camera; a device for acquisition, encoding and transmission of video, connectable to the at least one video camera, provided with Internet connection; a first server, associated with the at least one video camera; a streaming platform, residing and executed on the first server; a second server, associated with the first server; a web application, residing and executed on the second server. The first server cooperates with the video camera to manage the videos received by the Internet connection. The second server cooperates with the streaming platform of the first server, enabling transmission on demand of the videos toward Internet-connected fixed and/or mobile electronic devices.
Method for generating a STL stream, local adapter and corresponding computer program
A method for generating an STL stream includes, in a local adapter serving a transmitter site in a broadcast network includes: receiving a first STL stream, generated by a broadcast gateway and having at least one frame including: a preamble packet, a timing packet, and at least one BB packet carrying at least one PLP; selecting at least one PLP carried by the BB packets, the BB packet(s) carrying the selected PLPs being called selected BB packet(s); generating an output STL stream including at least one frame having at least: a preamble packet, obtained from the preamble packet of the first STL stream, a timing packet, obtained from the timing packet of the first STL stream, and BB packets corresponding to the selected BB packets of the first STL stream. The frames of the first STL stream and the output STL stream have the same duration.
Customized over-the-air television channel mapping for geographical area using crowdsourcing of over the air television channels
Embodiments are directed toward providing a customized over-the-air channel mapping to each content receiver in a geographical area based on crowdsourced mappings of available channels from at least a subset of the content receivers in that geographical area. When a new content receiver is installed in the geographical area, the customized over-the-air channel mapping is provided to the new content receiver and used by the new content receiver as its internal list of available over-the-air channels without performing a scan of its own. At least a portion of the content receivers in the geographical area perform a round-robin-type scan to identify new or missing channels in the geographical area. The customized over-the-air channel mapping is then updated when a new channel or missing channel threshold is reached. And the updated customized over-the-air channel mapping is provided to each content receiver in the geographical area.
Method and apparatus for providing peer-to-peer content delivery
A computer implemented method embodied in a computer program stored in non-transient memory and executed by a computer processor for providing peer to peer content delivery of a live video stream includes delaying delivery of a live stream to a second client to serve that client from a first client that has previously received the live stream. The computer implemented method may further include switching between bad content sources (first clients) to good content sources based on heuristics.
Method and apparatus for managing access plans
A system that incorporates teachings of the present disclosure may include, for example, wirelessly receiving adjustment information from a mobile communication device, wirelessly receiving a request for video content from the mobile communication device, generating multiple versions of the video content, wirelessly transmitting a second version to the mobile communication device for presentation on the display device according to the adjustment of the access plan, and transmitting a first version to the mobile communication device for presentation on the display device and ceasing transmitting the second version responsive to a determination of an undesired condition associated with the presentation of the second version on the display device. Other embodiments are disclosed.
Methods and systems for customizing virtual reality data
An exemplary virtual reality system provides an experience selection data structure to a media player device. The experience selection data structure comprises a plurality of entries each corresponding to a different virtual reality dataset, and each virtual reality dataset is customized to a different virtual reality experience associated with a different virtual viewpoint positioned at a different location with respect to a three-dimensional (3D) scene. The virtual reality system detects that the media player device selects an entry from the plurality of entries by way of the experience selection data structure. The selected entry corresponds to a particular virtual reality dataset customized to a particular virtual reality experience. Thus, in response to the detecting, the virtual reality system provides the particular virtual reality dataset to the media player device. Corresponding methods and systems, including details regarding corresponding media player devices, are also disclosed.
Processing video and audio streaming data
The disclosure includes a method of generating and presenting digital streaming data to a viewer. The digital streaming data comprises streaming video data depicted from a live event and streaming audio data generated by a commentator, the streaming audio data related to the live event. In many embodiments, the method includes presenting the streaming video data to the commentator and the viewer and generating streaming audio data by the commentator related to the live event. Methods may also include transferring the streaming audio data via an Internet to the viewer and providing the viewer with synchronization means to synchronize the streaming video data with the streaming audio data.
Encoding method, decoding method and device for video global disparity vector
The present application discloses an encoding method for global disparity vector. The method includes determining global disparity vector prediction information and a global disparity vector of a current encoding region, and encoding information about the global disparity vector of the current encoding region and writing the information into a bit-stream as required, wherein the information about the global disparity vector of the current encoding region is used to determine the global disparity vector of the current encoding region by a decoder.
Transmitting/receiving device, method, and coding/decoding device
Provided is a transmitting device including a hierarchical classification section that classifies image data of each picture constituting moving image data into a plurality of layers, an image coding section that codes the classified image data of each layer, and generates a video stream holding the coded image data of each layer, and a transmitting section that transmits a container in a prescribed format that includes the generated video stream. The image coding section performs coding so that a referenced picture belongs to a layer of referencing image data and/or a layer lower than the layer of the referencing image data.
Maximum palette parameters in palette-based video coding
In an example, a method of processing video data includes coding at least one of data that indicates a maximum palette size of a palette of color values for coding a block of video data or data that indicates a maximum palette predictor size of a palette predictor for determining the palette of color values. The method also includes coding the block of video data in accordance with the data.
Method and device for encoding and decoding parameter sets at slice level
Provided is a method for encoding parameter sets at slice level. The method includes: when there are one or more parameter sets, in which the coding tool parameters are identical to the coding tool parameters of a part of coding tools used for the current slice, in the existing parameter sets, encoding the identifiers of parameter sets into bit-stream of the current slice, wherein a parameter set contains common information of the coding tools used in the process of encoding/decoding slice(s). Correspondingly, also provided is a method for decoding parameter sets at slice level and a device for encoding and decoding parameter sets at slice level, which can make full use of the encoded parameter set information when the slice header refers to a plurality of parameter sets, implement flexible configuration of the coding tools used in the process of encoding/decoding slice(s) and reduce information redundancy.
Image processing apparatus and image processing method
An image processing apparatus divides a base image corresponding to a plurality of first images captured from different viewpoints, and a plurality of second images each corresponding to one or more of the plurality of first images, into a plurality of sub-bands including a sub-band that includes high-frequency components and a sub-band that does not include high-frequency components. As for the plurality of second images, the image processing apparatus then encodes the sub-band that includes high-frequency components. As for the base image, the image processing apparatus encodes the sub-band that does not include high-frequency components.
Method and device for dynamically monitoring the encoding of a digital multidimensional signal
A method is provided for encoding a digital signal as an encoded signal. The method includes performing a plurality of localized encodings of a digital signal to generate a set of encoded local signals. Localized encodings are performed for a first sample of the digital signal. A plurality of physical quantities is assigned to the first sample. The set of encoded local signals includes an encoded local signal associated with each physical quantity of the plurality of physical quantities. The method further includes analyzing a characteristic associated with an encoded signal to determine a measured value of the characteristic. The encoded signal includes the set of encoded local signals. The method also includes adjusting a first encoding parameter associated with the plurality of localized encodings according to the measured value of the characteristic and a target value of the characteristic. The first encoding parameter is adjusted for a second sample of the digital signal. The second sample is processed after the first sample.
Image encoding apparatus for encoding flags indicating removal time
An encoding method of encoding units included in a picture is provided. The encoding method generates a first flag indicating whether a removal time of encoded data from a buffer by a hypothetical decoder is set per unit. When the removal time is set per unit, a second flag is generated which indicates whether an interval between removal times of the units is constant. When the second flag indicates that the interval is constant, common-interval information is generated which is distinct from the second flag and indicates a constant time interval between the removal times of the units. A bitstream including the encoded data, the first flag, the second flag, and the common-interval information is generated. The first flag is included in video usability information of the bitstream. The second flag and the common-interval information are included in control information of the bitstream.
Method and apparatus of adaptive multiple transforms for video coding
A method and apparatus for video encoding or decoding performed by a video encoder or a video decoder incorporating advanced multiple transform (AMT) are disclosed. According to this method, a transform set consisting of two type candidates designated as a first type and a second type is determined, where the first type and the second type are different. If AMT is used by the current block, a vertical transform is selected from the transform set and a horizontal transform is selected from the transform set. A transform index, for indicating both vertical transform selection and horizontal transform selection, can be signaled at the encoder side or the transform index is parsed at the decoder side. Another method and apparatus incorporating AMT are also disclosed where the transform set is determined according to the resolution of current MVD.
Decomposition of residual data during signal encoding, decoding and reconstruction in a tiered hierarchy
Computer processor hardware receives a first set of adjustment values. The first set of adjustment values specify adjustments to be made to a predicted rendition of a signal generated at a first level of quality to reconstruct a rendition of the signal at the first level of quality. The computer processor hardware processes the first set of adjustment values and derives a second set of adjustment values based on the first set of adjustment values and a rendition of the signal at a second level of quality. The second level of quality is lower than the first level of quality.
Method and device for deriving a prediction sample in decoding/encoding video signal using binary and quad trees
Provided are a method and a device for decoding a video signal to provide stereographic image content with high resolution. For decoding a video signal, an intra prediction mode of a current block is determined, and a prediction sample is obtained by performing intra prediction of the current block based on the intra prediction mode.
Image filtering method and device in image coding system
A picture filtering method performed by an encoding device, according to the present invention, comprises the steps of: deriving, from a current picture, regions for adaptive loop filtering (ALF); deciding ALF coefficients by picture unit or region unit; on the basis of the ALF coefficients, determining, by region unit, whether ALF is usable; re-deciding ALF coefficients for an ALF-usable first region; deriving a filter shape for the first region; on the basis of the re-decided ALF coefficients, determining, by unit of coding units (CUs) in the first region, whether ALF is usable; performing filtering for ALF-usable CUs on the basis of the derived filter shape and the re-decided ALF coefficients; and transmitting at least one among information on the ALF-usable first region and information on the ALF-usable CUs. According to the present invention, efficient filtering appropriate for image properties per region may be applied.
Object simulation unit for testing a camera objective and diagnostic system
An object simulation unit for testing a camera objective has an optical axis and has a front side with respect to the optical axis at one side. The object simulation unit comprises a light exit surface at the front side of the object simulation unit, a coupling device that is adapted to couple the front side of the objection simulation unit to a light entry side of a camera objective, and a light beam generation device that has at least one light source and that is adapted to generate at least one light beam that passes through the light exit surface such that the at least one light beam apparently starts from a virtual object located at a distance from the light exit surface that is larger than the distance between the light beam generation device and the light exit surface. A diagnostic system may comprise such an object simulation unit.
User interface apparatus for vehicle, and vehicle
Disclosed is a user interface apparatus for a vehicle, the apparatus including: a display unit configured to output stereoscopic content; an internal camera configured to acquire an image of the inside of the vehicle; and a processor configured to detect an image of a head of a user of the vehicle based on the image of the inside of the vehicle, generate pose information and movement information of the head based on the image of the head, and set a virtual head box based on a method for implementing the stereoscopic content, the pose information, and the movement information.
Autostereoscopic display device and display method
An autostereoscopic display includes a steerable display backlight, having a light output arrangement for providing lines of light output and a first lenticular lens array, with each lens focused near a corresponding line of light output. A display panel is illuminated by the backlight and a second lenticular array generates at least two views to different viewing directions. Head and/or eye tracking is used for tracking at least two viewers. Views are provided to the two eyes of a tracked viewer at the same time, and views are provided to the two eyes of different tracked viewers time-sequentially.
Switchable virtual reality headset and augmented reality device
Systems, devices, and apparatuses for a switchable augmented reality and virtual reality device are provided. An example device includes a handle, a device chamber, a viewport assembly, and a hinge assembly. The handle may be formed from folded sheets of material. The example device chamber is coupled to the handle and formed from folded sheets of material. The viewport assembly may be formed at least in part from folded sheets of material. The example hinge assembly pivotably couples the device chamber to the viewport assembly. For example, the hinge assembly may be operable to adjust the device between a virtual reality configuration and an augmented reality configuration. A display of a computing device held in the device chamber may be viewable through the viewport assembly in the virtual reality configuration and the display may be viewable without the viewport assembly in the augmented reality configuration.
Multi-view interactive digital media representation lock screen
Various embodiments describe systems and processes for capturing and generating multi-view interactive digital media representations for display on a user device. In one aspect, a mobile device is provided which comprises a display, one or more processors, memory, and one or more programs stored in the memory. The one or more programs comprise instructions for locking the mobile device, and providing a lock screen on the display in a lock mode upon receiving user input for accessing the mobile device. The lock screen may display a multi-view interactive digital media representation (MIDMR) which provides an interactive three-dimensional representation of an object that is responsive to user interaction with the mobile device. The MIDMR may respond to spatial and movement sensors in the mobile device. The mobile device may be unlocked for use upon receiving user identification input, which may include maneuvering the MIDMR in a predetermined pattern.
Gaze correction of multi-view images
Gaze is corrected by adjusting multi-view images of a head. Image patches containing the left and right eyes of the head are identified and a feature vector is derived from plural local image descriptors of the image patch in at least one image of the multi-view images. A displacement vector field representing a transformation of an image patch is derived, using the derived feature vector to look up reference data comprising reference displacement vector fields associated with possible values of the feature vector produced by machine learning. The multi-view images are adjusted by transforming the image patches containing the left and right eyes of the head in accordance with the derived displacement vector field.
3D image display apparatus and image display method thereof
A three-dimensional (3D) image display apparatus includes a display panel configured to display a 3D image; a light guide panel disposed on a rear surface of the display panel to emit light to the display panel; a first light source configured to irradiate light toward the light guide panel; a second light source configured to irradiate light toward the light guide panel; and a controller configured to control the first light source and the second light source to emit light alternately, wherein the light guide panel includes a first pattern which responds to the first light source and does not respond to the second light source, and a second pattern which responds to the second light source and does not respond to the first light source.
Dynamic image generation system
An electronic communications method includes receiving, by a device, electronic information associated with a two-dimensional image. The electronic communications method also includes analyzing, by the device, the electronic information. The electronic communications method includes generating, by the device, a three-dimensional electronic image based on the electronic information.
Three-dimensional camera for capturing image to provide virtual reality
Provided is a three-dimensional (3D) camera for capturing an image for providing virtual reality (VR), the 3D camera including a plurality of cameras; and a position sensor configured to track a position of the 3D camera, wherein the plurality of cameras are arranged at each vertex of a polyhedron, and at least three cameras are arranged at each vertex of the polyhedron.
Method and apparatus for generating HDRI
A method for generating a high dynamic range image (HDRI) includes acquiring a first illuminance diagram, generating a second illuminance diagram from the first illuminance diagram by modifying a dynamic range of at least a portion of the first illuminance diagram, and generating the HDRI based on the second illumination diagram. The first illuminance diagram is obtained based on a camera response function and an illuminance logarithm obtained based on a plurality of images having different exposure conditions.
Smart lighting device and operation mode transforming method of a smart lighting device for switching between a first operation mode and second operation mode
A smart lighting device includes an illumination module, an image projection module and a projection mode switching module. The image projection module is pivoted to the illumination module and has a plurality of operation modes. The image projection module rotates relative to the illumination module and is switched among a standby mode and the operation modes. The projection mode switching module is configured to sense a rotation angle of the image projection module with respect to the illumination module. A brightness value of the illumination module and an image frame of the image projection module are adjusted according to the rotation angle.
Reconstructing viewport upon user viewpoint misprediction
A head mounted display device including a processor configured to compute a rendered rendering surface of a predicted scene having a predicted user viewpoint, the predicted user viewpoint being a prediction of a viewpoint that a user will have at a point in time that was predicted for the user of the head mounted display device prior to the point in time, receive, from the user input device, a subsequent user navigation input near the point in time in the stream of user input, determine an actual user viewpoint based on the subsequent user navigation input, determine a user viewpoint misprediction based on the predicted user viewpoint and the actual user viewpoint, and reconstruct a viewport for the actual user viewpoint from the rendered rendering surface.
A projection device is provided, which is capable of suppressing or preventing problems that result from a light emission delay of a light source. The projection device includes a plurality of light sources respectively emitting a laser light; a scanning part enabling the laser light to scan; and a controller controlling an output of the laser light. In a scanning range including a first scanning range and a second scanning range, the controller controls such that the output has a first light amount in the first scanning range and has a second light amount which is greater than the first light amount in the second scanning range.
Optical mixing and shaping system for display backlights and displays incorporating same
A backlight for a display comprises a plurality of independently controllable light sources and inclined surfaces inclining in a radially outward direction from each light source for shaping the distribution of emitted light. The light sources may each comprise a group of differently-colored light emitters. The backlight may include light integrators configured to mix light of the differently-colored light emitters. Inclined surfaces for shaping the distribution of emitted light may be arranged around exits of the light integrators.
System and method for managing service and non-service related activities associated with a waste collection, disposal and/or recycling vehicle
Systems and methods are provided for using video/still images captured by continuously recording optical sensors mounted on waste collection vehicles used in in the waste collection, disposal and recycling industry for operational and customer service related purposes. Optical sensors are integrated into the in-cab monitor as well as the onboard computer, digital video recorder and other external devices.
System and method for audio source localization using multiple audio sensors
An automated security surveillance system determines a location of a possible disturbance and adjusts its cameras to record video footage of the disturbance. In one embodiment, a disturbance can be determined by recording audio of the nearby area. A system, coupled to a camera, may include an arrangement of four audio sensors recording audio of the nearby area to produce independent outputs. The system further may include a processing module configured to determine an angle and distance of an audio source relative to a location of the arrangement of the four audio sensors. The system can then adjust the camera by rotation along an azimuth or elevation angle and adjusting the zoom level to record video of the audio source. Through use of the system, a surveillance system can present an image of a source of possible disturbance to an operator more rapidly and precisely than through manual techniques.
Method and apparatus for transmitting and receiving audio over analog video transmission over a single coaxial cable
A method and system for transmitting and receiving an audio signal over a video signal in a single cable. The method and system including receiving an analog video signal, the analog video signal comprising one or more rows of video data, an audio header, and one or more quantized audio data. The method includes detecting, the audio header in a blank interval of the analog video and determining a reference level of the audio header. The method and system include extracting, in response to detecting the audio header, the one or more quantized audio data and converting the one or more quantized audio data to an original value of audio data based on the reference level of the audio header. The method and system are configured for storing the one or more quantized audio data in the original value in a First-in-First-Out (FIFO) buffer, and reconstructing, utilizing the FIFO buffer, a continuous audio signal from the one or more quantized audio data in the original value.
Automatically curating video to fit display time
A system is configured to synchronize a first video, a second video, and an audio track. The system analyzes image content associated with the first video and the second video to obtain a first subset of images of the first video and a second subset of images of the second video. The system then determines a music beat of the audio track to be synchronized with one of the first subset of images or the second subset of images. The system then adjusts a framerate of the first subset of images or the second subset of images based on the determined music beat to synchronize the first subset of images or the second subset of images. The first subset of images and the second subset of images may then be combined, which the system then plays back from a designated playback slot along with the audio track.
Video sugar capture
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for capturing video on a mobile device. In an example mobile device, an activation action puts the device in a state in which it captures a loop of video of predefined length and uses that as a prefix to a video recorded in response to a record video action.
Endoscope system and signal processor to determine a short or an open clock signal wire
An endoscope includes a cable in which a first clock signal wire and a second clock signal wire are provided inside and a differential clock signal receiving section for clocks to be supplied to an image pickup device, and a video processor includes a current detector inserted in VCCI/O for the differential clock signal receiving section, a differential signal output section configured to perform conversion into two differential clock signals, respective phases of the two differential clock signals being reverse of each other, and output the two differential clock signals, and an FPGA configured to, based on a current value detected by the current detector, determine a short or an open in the first clock signal wire and the second clock signal wire.
Image sensor with correction of non-uniform dark current
An imaging system comprises an image pixel array, a dark pixel array, and a controller. The image pixel array includes a plurality of pixel clusters adapted to generate image signals. The dark pixel array is adapted to generate one or more black reference signals corresponding to a global black level value of the imaging system. The controller includes logic that when executed by the controller causes the system to perform operations including determining local black level values for each of the pixel clusters and correcting a first image signal included in the image signals based, at least in part, on the global black level and a first local black level value included in the local black level values.
Mobile zoom using multiple optical image stabilization cameras
Some embodiments include a camera system having a first camera unit and a second camera unit. The first camera unit may include a first actuator. The second camera unit may include a second actuator. In some embodiments, the first actuator may move one or more components of the first camera unit to provide autofocus and/or optical image stabilization functionality to the first camera unit. In some embodiments, the second actuator may move one or more components of the second camera unit to provide autofocus and/or optical image stabilization functionality to the second camera unit. In some examples, the first camera unit may be configured to capture a first image of a first visual field. The second camera unit may be configured to capture, simultaneously with the first camera unit capturing the first image, a second image of a second visual field.
Image processing device and image processing method
An image processing device according to an embodiment includes an image acquisition unit, an information acquisition unit, a generation unit, and a composition unit. The image acquisition unit acquires a captured image where an image of an environment of a vehicle is captured by an image-capturing device. The information acquisition unit acquires information regarding a detected position of an obstacle that exists in an environment of the vehicle. The generation unit generates a virtual viewpoint image where an environment of the vehicle is viewed from a virtual viewpoint, based on the captured image that is acquired by the image acquisition unit. The composition unit composites a notification image that provides notification of existence of the obstacle at the detected position with the virtual viewpoint image and composites a vehicle image with the virtual viewpoint image.
Method and apparatus for controlling photographing of camera
Provided is a method for controlling photographing of a camera, which is applied to an electronic device whose photographic shutter area is provided with a pressure sensing module. The method includes: detecting a press operation for a photographic shutter; collecting pressure sensing data of the pressure sensing module when the press operation is detected; calculating a deformation pattern of the pressure sensing module during the press operation based on the pressure sensing data; calculating a displacement pattern of the camera during the press operation based on the deformation pattern; and determining, according to the displacement pattern, a viewfinding moment at which the camera is capable of capturing an optimal image during the press operation, and outputting an image captured by the camera at the viewfinding moment.
System and method for identifying comment clusters for panoramic content segments
Systems and methods for identifying comment clusters for panoramic content segments. A panoramic content segment of digital content may be hosted to client computing platforms. User comment information may be received. The user comment information may convey user comments, include time indications for a duration of a content segment, and/or include location indications for a panorama of the panoramic content segment. A comment distribution may be determined from the user comment information. A comment cluster may be identified based on the comment distribution. View information may be received from a client computing platform. Whether a view range associated with the comment cluster identified is located within or outside one or more visible ranges of viewing angles selected by the user may be determined. Alert information may be generated and/or transmitted for effectuating presentation of a notification on the client computing platform associated with the user.
Mobile terminal and operating method thereof
Disclosed herein are a mobile terminal and an operating method thereof. The mobile terminal includes a short-range communication module configured to perform short-range communication with an omnidirectional capture device for capturing an omnidirectional image, a display unit configured to display the omnidirectional image received through the short-range communication module and to receive user input, and a controller configured to set an area, in which a moving image is generated, in the omnidirectional image and to generate the moving image in the set area. Therefore, it is possible to acquire the moving image of the moving object in the omnidirectional image.
Electronic apparatus and method for selecting an organ from an image
An electronic apparatus is provided for performing control, in a case where a touch is started on an area corresponding to a detected first face, and then the touch position of the touch moves in a first direction, to select a first organ area included in the first face, and, in a case where the touch is started on the area corresponding to the detected first face, and then the touch position of the touch moves not in the first direction but in a second direction, to select a second organ area included in the first face.
Image-capturing apparatus, accessory apparatus, and control method therefor with changing signal level of communication channel from one level to another
The image-capturing apparatus communicates with an accessory apparatus using a clock/communication request channel and first and second data communication channels. The camera controller switches its communication method between a first communication method in which data communication is performed while a clock signal is alternately switched between first and second levels and a second communication method in which data communication is performed in response to a communication request from the camera controller to the accessory apparatus, which is output by switching a signal level of the clock/communication request channel from the first level to the second level. The camera controller, in response to detecting a communication error in the first and second communication methods, transmits to the accessory apparatus through the second data communication channel a specific signal for restoring the communication while keeping the signal level of the clock/communication request channel at the first level.
Camera module and electrical holder and assembling method thereof
A camera module includes a lens, a photosensitive chip and an electrical holder. The electrical holder has an integrated circuit that the electrical holder serves as an integration of a base and a PCB in a conventional camera module, wherein the electrical holder not only forms an assembling unit for connecting a motor and an optical lens but also forms an electrical connection unit for electrically connecting to the motor, a photosensitive chip and a flexible circuit board with each other, so as to minimize an overall size of the camera module.
Electronic device and photographing control method thereof
An electronic device and a photographing control method thereof are provided. The electronic device includes: a housing; a camera provided in the housing; a display screen movably assembled to the housing, and switchable between a first state and a second state with respect to the housing. The display screen has a display portion and a non-display portion, and the non-display portion is light transparent. When the display screen is in the first state, the camera is covered by the display portion. When the display screen is in the second state, the camera faces to the non-display portion, and configured to collect light through the non-display portion and performs imaging.
Camera module and photosensitive assembly thereof
The present disclosure relates to a camera module and a photosensitive assembly thereof. The photosensitive assembly comprises includes a circuit board, a photosensitive chip, and a packaging body. The photosensitive chip is connected to the circuit board. The packaging body is formed on the circuit board. A through hole is formed in the packaging body. The through hole is opposite to the photosensitive chip to provide a light channel of for the photosensitive chip. An inner side surface of the through hole comprises includes a first cambered surface, a connection surface, and a second cambered surface, and the first cambered surface and the second cambered surface are respectively connected to two ends of the connection surface. In the photosensitive assembly, both the upper and lower ends or the inner side surface of the package are provided to as cambered surfaces, which facilitate the demolding of the molding device of the packaging body and avoids damage to the packaging body by the molding device in the demolding step.
Light-emitting diode and surveillance camera device using the same
A light-emitting diode (LED) includes s a substrate, a LED chip, and an optical lens. The LED chip is fixedly mounted to the substrate for emitting a light beam. The optical lens is mounted to the substrate and covers the LED chip. The optical lens has a light exit surface, which directs the light beam from the LED chip to travel in a direction along an optical axis to form a non-symmetric light shape. Also disclosed is a surveillance camera device that uses the LED. As such, the drawback of a conventional surveillance camera being incapable of acquiring an excellent image due to light source being overly concentrated can be eliminated.
Camera module testing method
A camera module testing method is applied to a camera module including a camera lens and a photosensitive element. In a step (A), an original image is captured through the camera lens and the photosensitive element. In a step (B), the original image is converted into a gray scale image. In a step (C), the gray scale image is converted into a binary image according to a critical gray scale value. In a step (D), a boundary contour is obtained according to plural pixels of the binary image higher than or equal to the critical gray scale value. In a step (E), a contour center of the boundary contour is obtained. Then, a step (F) is performed to judge whether an optical axis of the camera lens is aligned with an imaging center of the photosensitive element according to the imaging center and the contour center.
Camera module for vehicle
A camera module for a vehicle according to the present invention includes a first Printed Circuit Board (PCB) configured to have an image sensor mounted on its surface; a second PCB configured to supply a power source to the first PCB; an outer shield installed to surround the side of the first and the second PCBs and to shield the first and the second PCBs from electromagnetic interference (EMI); and a plurality of support units disposed at positions where the supports units interfere with the first and the second PCBs of the outer shield and configured to support the first and the second PCBs.
System and method for an image focusing adjustment module
Provided herein is an image focusing adjustment method, system, and module. A first image of a reference object is received in response to an input signal when the image focusing adjustment module is operating in a first state. The first image of the reference object is analyzed, based on which a plurality of adjustments to the image focusing adjustment module is controlled. The plurality of adjustments, performed by a plurality of actuators controlled by control module, include rotating a lens barrel assembly relative to a neck member along a first axis that causes a translational adjustment of the lens barrel assembly, rotating the neck member relative to a top member around the first axis that causes a rotational adjustment of the lens barrel assembly, and positioning a tilt adjustment member that causes tilt adjustment of the top member relative to a frame member along a second axis.
Camera module, method of manufacturing camera module, imaging apparatus, and electronic apparatus
The present disclosure relates to a camera module capable of achieving a smaller height, a method of manufacturing a camera module, an imaging apparatus, and an electronic apparatus. An imaging device having its imaging surface bonded to a provisional substrate is attached, and the imaging device in that state is joined to a substrate via an electrode having a TSV structure. After the provisional substrate is detached, an IR cut filter (IRCF) on which a light blocking film is printed or jet-dispensed in a region other than the effective pixel region is bonded to the imaging surface via a transparent resin. Because of this, there is no need to provide any sealing glass in the stage before the imaging surface, and the optical length of the lens can be shortened. Thus, a smaller height can be achieved. The present disclosure can be applied to camera modules.
Apparatus and method for monitoring performance characteristics of a component of a vehicle
An apparatus for monitoring at least one performance characteristic of a component of a vehicle may include a tripod connected to an exterior surface of the vehicle, the tripod includes a plurality of airfoils defining an aerodynamic surface of the tripod, a camera positioned on the tripod at a predetermined viewing angle directed toward the component of the vehicle and a camera fairing connected to the tripod and surrounding the camera, the camera fairing includes a sidewall defining an aerodynamic surface of the camera fairing, an aperture disposed through the sidewall and aligned with the camera and a plurality of protrusions positioned proximate the aperture.
Systems and methods for determining capture settings for visual content capture
A capture settings for one or more image capture devices may be determined. The capture setting may define one or more aspects of operation for the image capture device(s). The aspect(s) of operation for the image capture device(s) may include one or more aspects of operation for a processor of the image capture device(s), an image sensor of the image capture device(s), and/or an optical element of the image capture device(s). A machine-readable optical code may be generated based on the capture setting and/or other information. The machine-readable optical code may convey the capture setting for the image capture device(s) such that a first image capture device capturing a first image including the machine-readable optical code may: (1) identify the machine-readable optical code within the first image; (2) determine the capture setting conveyed by the machine-readable optical code; and (3) operate in accordance with the capture setting.
First, second, and third line reading processing is processing of emitting light of each color to first, second, and third line of an original document in first, second, and third lighting order, respectively, and reading reflection light of the emitted light. A color that is first in the first lighting order, a color that is first in the second lighting order, and a color that is first in the third lighting order are different from each other. A color that is second in the first lighting order, a color that is second in the second lighting order, and a color that is second in the third lighting order is different from each other. A color that is third in the first lighting order, a color that is third in the second lighting order, and a color that is third in the third lighting order is different from each other.
Image forming apparatus granting access and authorization to client or server to perform remote support service according to list of operations selected by the image forming apparatus
A method of controlling an image forming apparatus is provided. The method includes requesting a remote support service from a terminal or a server connected to the terminal, receiving a request for an access authorization regarding an operation related to the remote support service from the terminal, granting the access authorization to the terminal based on a user input or a pre-set setting, receiving a control command for the remote support service from the terminal, and executing an operation corresponding to the control command according to the access authorization granted to the terminal.
Non-transitory computer-readable information recording medium, information processing apparatus, and communications system
An information processing apparatus requests, via one of networks, an apparatus to carry out process, the apparatus being connectable to the networks; receives identification information that is used to identify a user; acquires sets of the communications information that includes a first set of the communications information to be used to connect to the apparatus via a first network of the networks; determines, based on the identification information, whether to use the first network to request the apparatus to carry out the process; when determining to use the first network to request the apparatus to carry out the process, switch a second network of the networks used to carry out communications, to the first network to be used to carry out communications, the second network being different from the first network; and requests, via the first network, the apparatus to carry out the process.
Electronic device and method for controlling memory thereof
An electronic device includes a memory, a mode configuration management portion, a panel portion, and a memory management portion. The mode configuration management portion configures a plurality of allocation modes for allocating a plurality of areas to the memory. The panel portion displays a mode selection screen for selecting one of the allocation modes. The memory management portion allocates the plurality of areas to the memory based on the selected one of the allocation modes. The mode configuration management portion manages a plurality of recommended modes. The memory management portion sets sizes of an input portion and an output portion of the respective areas according to the recommended mode selected by the mode configuration management portion.
Image reading apparatus
An image reading apparatus includes a detection unit provided at a position separated from a positioning portion by a predetermined distance in a first direction, a discriminator configured to determine a length, in the first direction, of a document, and a setting unit that sets a start position to a first position if a detection position at which the detection unit detects the document is not included in a range, in a second direction, of the transparent member that is covered by the document, and sets the start position to a second position if the detection position is included in the range and the detection unit does not detect the document, wherein, in the first direction, the distance between the first position and the positioning portion is larger than the distance between the second position and the positioning portion.
Information processing apparatus, method of controlling the same, and non-transitory computer-readable recording medium therefor
An information processing apparatus is configured to identify usage of an extract-printing image, and receive the image data output by an application. In case where the received image data represents an image having a first size, when the usage is a first usage, object image data representing a first object is extracted, while the usage is a second usage, object image data representing a second object is extracted. Then, the information processing apparatus generates image data such that when the object image data representing the first object is extracted, image data representing an image composed such that the first object is arranged on a sheet having a second size is generated. When the object image data representing the second object is extracted, image data representing an image composed such that the second object is arranged on the sheet having the second size is generated.
Call control in telephony-capable communications networks
A method of operating a call control node in a telecommunications network, the method comprising the steps of: establishing a telephony call between a first user and a second user; receiving a call control instruction, the call control instruction being for associating a to-be-established new call leg, between the call control node and a communications server, with the telephony call; establishing the new call leg between the call control node and the communications server; connecting the new call leg to the telephony call on the basis of the call control instruction, to make the communications server a party to the telephony call.
Techniques for hybrid behavioral pairing in a contact center system
Techniques for hybrid behavioral pairing in a contact center system are disclosed. In one embodiment, the techniques may be realized as a method for hybrid behavioral pairing in a contact center system comprising: determining a first ordering of a plurality of contacts according to a behavioral pairing strategy with a balanced contact utilization; determining a second ordering of the plurality of contacts according to a performance-based routing strategy with an unbalanced contact utilization; determining a third ordering of the plurality of agents according to a combination of the first ordering and the second ordering having a skewed contact utilization between the balanced contact utilization and the unbalanced contact utilization; and outputting a hybrid behavioral pairing model based on the third ordering for connecting an agent to a contact of the plurality of contacts in the contact center system.
Systems, methods and computer program products for voice call customer support
The invention provides systems, methods and computer program products for providing optimized customer support over data networks. In an embodiment the invention comprises implementing within a processor based computing system, the steps of (i) receiving voice data from a customer through a client terminal, (ii) converting the received voice data to text data, (iii) extracting one or more search parameters from the converted text data, wherein said extracted search parameters are based on at least one of a context or a subject identified from the converted text data, (iv) retrieving from a customer record database, at least one customer record that matches the extracted one or more search parameters, and (v) transmitting the retrieved at least one customer record to a customer service representative terminal for display to a customer service representative.
Authenticating with a service provider using a virtual assistant device
A virtual assistant device is configured to perform operations that include receiving a user request of a user to use a service provided by a service provider, and based on an identifier associated with the service provider, determining a set of authentication credential types that the service provider accepts for authentication. The operations also include determining, based on sensor information collected from one or more hardware sensors, whether one or more other people besides the user are within a proximity to the device. Further, the operations include based on a calculated risk security level, selecting a first authentication credential type from the set of authentication credential types and selecting a first communication mode from a set of communication modes.
Management of call connection attempt
Disclosed is a method for providing information with a voice message to a subscriber A in response to a receipt of call connection attempt in a terminal device of a subscriber B, the method includes: detecting the call connection attempt from the subscriber A in the terminal device of the subscriber B; generating a message including data carrying a dedicated voice message to the subscriber A; outputting the generated message to the subscriber A. Also disclosed is relates to a system implementing the method and a computer program product.
Call authorization and verification via a service provider code
One example method of operation may include extracting a calling device telephone number from a received call message, querying a verification table for the calling device telephone number, identifying the calling device telephone number and a corresponding service provider network identifier from the verification table, querying a mapping table for the service provider network identifier, and identifying whether a match between the service provider network identifier and a service provider code exists as an entry in the mapping table.
Method and device for preventing terminal from being inadvertently touched
The present disclosure provides a method and device for preventing a terminal from being inadvertently touched. The method includes: brightness of ambient light is acquired; a body posture of the terminal is determined when the brightness of the ambient light is less than a brightness threshold; and a touch-disable mode is activated when the body posture of the terminal is an inverted posture. In the present disclosure, when the brightness of the ambient light is less than the brightness threshold and the body posture of the terminal is an inverted posture, it is determined that the terminal is in a pocket of a user and the touch-disable mode is activated.
System and method for mobile device control delegation
A system and method for implementing controls corresponding to a particular mobile device. The method includes receiving from a first party corresponding to the particular mobile device a designation of a second party and receiving control instructions from the second party. A particular geographic area and/or a particular time frame is associated with the second party. A processor alternately delegates one or more device controls of the particular mobile device from the first party to the second party based on a current location of the particular mobile device relative to the particular geographic area and/or a current time relative to the particular time frame. The control instructions received from the second party are applied when the one or more device controls are delegated to the second party.
Selective email narration system
In an approach to narrating an email message based on the significance of the recipients on the message, identifying an email message; identifying recipients of the email message; identifying a client recipient from the recipients; selecting a first recipient from the recipients; identifying messages in an email repository; determining, from among the identified messages, a first count of messages; identifying an important recipient threshold, wherein the important recipient threshold represents a threshold count of messages; in response to determining the first count of messages exceeds the important recipient threshold, assigning a high importance recipient rating to the first recipient; creating a narration script; and in response to identifying the first recipient as having the high importance recipient rating, populating the narration script with a name of the first recipient such that the name of the first recipient will be read when the narration script is recited.
Contact-note application and services
A contact-note application is disclosed herein that runs in a computing device. When a phone call event occurs, the contact-note application is notified and responsively surfaces a prompt over a user interface to a phone call application. When the prompt is selected, the contact-note application surfaces a user interface to the contact-note application. The user interface provides the end-user with a view of a note associated with a contact on the phone call such that they user may create, edit, and consume the note.
Radio control for a portable communication device
A control switch (110) is provided to facilitate a primary user interface for a control top surface (106) of a non-orthogonal control top (102) of a portable communication device (100). The control switch (110) comprises a thumb button actuator (112), a rotary lever (220) having a lever arm (222) extending therefrom, a transfer arm (202) coupled between the thumb button actuator and the lever arm of the rotary lever, and an electrical rotary switch (204) with a switch shaft (224) providing a primary axis of orthogonal rotation. Actuation of the thumb button actuator (112) results in linear, non-orthogonal motion of the transfer arm (202) being translated into rotary motion of the switch shaft (224) about the primary axis of orthogonal rotation (205).
Electronic device and USB type-C interface used for electronic device
This application relates to a hardware interface, and in particular, to a USB Type-C interface used for an electronic device. In this application, a step is disposed on the USB Type-C interface to place a display screen. This shortens a distance from a front display screen of the electronic device to an edge of the electronic device, and increases a screen-to-body ratio.
Prefix matching based packet processing method, switching apparatus, and control apparatus
A packet processing method, device and system includes: receiving, by a switching device, a packet, where there is a correspondence in the switching device between a prefix and a generic flow entry, where the correspondence is created by using the prefix as an index, and a match field of the generic flow entry corresponding to the prefix includes the prefix; acquiring, by the switching device according to the prefix, a bit field that is in the packet and that is used for matching; and performing matching, by the switching device, between a value of the bit field and a data parameter of the match field of the generic flow entry corresponding to the prefix.
Doppler mode in a wireless network
To receive data in data field of a PHY Protocol Data Unit (PPDU), wherein the data field includes mid-ambles, a number of mid-ambles and a number of data symbols included in the data field is determined. The number of mid-ambles is determined according to information in an HE-SIG-A field of the PPDU, information in an L-SIG field of the PPDU, and one or more predetermined values prescribed by a standard. The number of data symbols may be determined using the number of the mid-ambles, and the data received according to the number of mid-ambles and the number of data symbols.
Emulation-based cross-technology communication
In general, a system is described that includes two computing devices, a first which is configured to operate using a first wireless protocol and a second which is configured to operate using a second wireless protocol different than the first wireless protocol. The first computing device may determine a symbol to be sent to the second computing device. For each bit included in a payload of a data packet, the first computing device may set a value of the respective bit such that the symbol, when the data packet is translated into at least one signal using the first wireless protocol, is readable using the second wireless protocol. The first computing device generates the signal using the first wireless protocol, and outputs, via the first wireless protocol, the at least one signal. The second computing device may receive the at least one signal and demodulate the payload.
Circle model powered suggestions and activities
The circle model powered suggestions and activities system provides a way to efficiently and effectively manage relationships. The circle model powered suggestions and activities system provides a way to model relationships for a user and assist the user with creating groupings of relevant constituents into context circles, provide suggested activities to members of the modeled relationships as well as facilitate the user with managing the user's relationships. The system analyzes public and private data, and tracks the user's interactions and the interactions of the constituents' of the user in order to generate suggested activities (including conversation starters) for the users and the constituents of the users. The system refines the semantic analysis and learning algorithms used to perform the analysis by analyzing the activities engaged in by the users and the constituents of the users related to suggested activities.
Systems and methods for enabling service interoperability functionality for WiFi direct devices connected to a network via a wireless access point
Certain embodiments herein are directed to enabling service interoperability functionality for wireless fidelity (WiFi) Direct devices connected to a network via a wireless access point. A WiFi Direct device may identify various other WiFi Direct devices on a WiFi network for performing a requested service, such as printing content or displaying content to a screen. In so doing, the device may share information associated with an access point to which the device is connected with the other devices, which may also share information associated with an access point to which they are connected. In this way, WiFi Direct devices may discover their connectivity with respect to other devices to utilize a broader array of connection options for implementing a desired service, and hence, may leverage application programming interface (API) modules directed at providing service interoperability functionality between software applications and services requested by the software applications.
User interface for remote authorization
The present disclosure generally relates to techniques for managing a remote authorization to proceed with an action, such as creating a secure network connection. In some examples, a requesting device receives selection of one or more options. The requesting device transmits a request to proceed with an action to an authenticating device. The authenticating device concurrently displays an indication of the request to proceed with the action, information about the selected one or more options, and an indication of the requesting device. The authenticating device receives authorization to proceed with the action and transmits a response to the requesting device regarding the request to proceed with the action.
Systems and methods for networked sensor nodes
A sensor assembly includes an impedance sensor element, an impedance sensor reader and a communications module. The communications module is configured to communicate with a remote computing device. The impedance sensor reader is coupled to the impedance sensor element. The impedance sensor reader includes a synthesizer and a detector. The synthesizer is configured to output an excitation signal having known values for a plurality of signal characteristics to the impedance sensor element and to generate the excitation signal based on a plurality of direct digital synthesizer (DDS) coefficients received from the remote computing device through the communications module. The detector is coupled to the impedance sensor element and configured to detect a response of the impedance sensor element to the excitation signal and determine an impedance of the impedance sensor element based at least in part on the response of the impedance sensor element to the excitation signal.
Autonomous vehicle application programming interface and communications systems and methods
Systems and methods for facilitating communication with autonomous vehicles are provided. In one example embodiment, a computing system (e.g., of a vehicle) can generate a first communication associated with an autonomous vehicle. The computing system can provide the first communication to an application programming interface gateway that is remote from the autonomous vehicle. Another computing system can obtain, via an application programming interface gateway, the first communication associated with the autonomous vehicle. The other computing system can determine a first frontend interface of the application programming interface gateway based at least in part on the first communication associated with the autonomous vehicle. The computing system can provide, via the first frontend interface, the first communication associated with the autonomous vehicle to a first system client associated with the first frontend interface.
Distributed storage management in a spaceborne or airborne environment
Systems, methods, and software described herein provide enhancements for managing data storage in a spaceborne or airborne platform. In one implementation, an airborne device in an airborne platform may identify a request to store a data object in a storage pool provided by a plurality of airborne devices. The airborne device will further identify at least one airborne device for storing the data object from the plurality of airborne devices, and communicate the data object to the at least one airborne device.
Method and apparatus for information management
An information management apparatus manages systems each storing key-data pairs, each including a key obtained by applying a predetermined function and data associated with the key, so as to be distributed among nodes, and includes a storing unit for storing a management table that stores information on an identifier common to systems, a key assigned to the identifier, and nodes assigned to the identifier; and a control unit for extracting, from a node pool housing nodes unassigned to any of the systems, as many nodes as the number of systems when the number of nodes in the node pool is equal to or larger than that of systems, assigning, in association with an identifier common to the systems, each of the extracted nodes to the individual systems, assigning a key to the identifier, and updating the management table according to the node and key assignment.
Aggregated access to storage subsystem
A computing system for managing storage relative to a storage subsystem is provided. The computing system includes a processor and a first interface configured to interact with a deployed software system using a representational state transfer communication technique. A second interface is configured to interact with the storage subsystem in accordance with the representational state transfer technique. The computing system is configured to interact with the storage subsystem via the second interface in response to a request from the deployed software system via the first interface and to provide an output to the deployed software system through the first interface based on the interaction with the storage subsystem.
Cross-data center hierarchical consensus scheme with geo-aware leader election
A device comprises a non-transitory memory storage comprising instructions, a network interface, and one or more processors in communication with the memory storage and the network interface. The one or more processors execute the instructions to receive, via the network interface, a write request from a client device; send, via the network interface, the received write request to a set of follower devices; receive, via the network interface, a first acknowledgment from a majority of the follower devices of the set of follower devices that the write request was processed; send, via the network interface, the received write request to a set of peer devices; receive, via the network interface, second acknowledgments from a majority of the set of peer devices that the write request was processed; and send an acknowledgment of the write request to the client device in response to the receipt of the first acknowledgments and the second acknowledgments.
Synchronization server process
Among other things, techniques and systems are disclosed for providing sync server process. Processing data sync sessions includes processing a request to initiate a sync session from one or more clients to update one or more data records that include one or more data items. The one or more clients are selectively identified as one of a trusted client and an untrusted client based on one or more properties of the sync session, wherein the trusted client is configured to support all dataclasses defined by the server. The one or more clients are detected as being configured to support field level differencing that sends changed data items only for the one or data records or record level differencing that sends all of the data items included in the one or more data records.
Method and electronic device for providing data
A method of providing data by a first electronic device is provided. The method includes connecting with a plurality of electronic devices, transmitting information on data that is able to be provided to the plurality of electronic devices by the first electronic device, to a second electronic device from among the plurality of electronic devices that is selected as a host device for transmitting the data to at least one of the plurality of electronic devices instead of the first electronic device, and transmitting the data to the second electronic device.
Cross-cluster direct server return with anycast rendezvous in a content delivery network (CDN)
A computer-implemented method in a content delivery network (CDN), wherein the CDN delivers content on behalf of at least one content provider. The method includes: a first server: receiving a request from a client for particular content; determining at least one delivery server in the CDN; migrating the request to the at least one delivery server; and then providing the least one delivery server with first network traffic from the client. Then a second server, distinct from the first server, determines information about the least one delivery server; and then, based on the determining, provides the least one delivery server with second network traffic from the client.
Discovery and mapping of cloud-based resources
A system includes persistent storage and an application that obtains a service identifier associated with a managed network. The service identifier allows access to a remote computing system that provides computing resources on behalf of the managed network. The application also identifies a geographic region that contains the computing resources. The application additionally identifies, within the geographic region, virtual computing devices allocated to the managed network and attributes thereof. The application further identifies, based on the attributes, (i) load balancers configured to distribute network traffic among the virtual computing devices and (ii) storage volumes used by the virtual computing devices. The application yet further determines a mapping between the virtual computing devices, the load balancers, and the storage volumes to represent a service infrastructure of the remote computing system dedicated to the managed network and stores, in the persistent storage, the mapping as one or more configuration items.
Information processing system and method
An information processing system and method capable of enhancing a processing speed of the entire system includes a first server apparatus that executes a command issued from a client or transfers the command to a second server apparatus which executes the command. The first server apparatus: collects, as server-related information from each second server apparatus, each of processing time and a data communication traffic volume which are retained by the second server apparatus with respect to each combination of a type of the command executed in the past and a path at that time, load information of the second server apparatus, and communication performance of each; predicts processing time of each combination on the basis of the collected server-related; and determines a path for executing the command in consideration of properties of the command issued from the client on the basis of the prediction result.
Switchboard server using a high-level programming interface
Certain aspects of the disclosure are directed to routing communications for a plurality of switchboard interfaces, each switchboard interface corresponding to a data communications-enabled device of a respective receptionist. According to a specific example, a computing server is configured and arranged to provide data communications for a plurality of endpoint devices. A processing circuit can be communicatively coupled to the computing server and configured and arranged to receive communication event data from the computing server. For each of the plurality of disparate client entities, and in response to a subscription request from a switchboard interface for the client entity, the processing circuit can initiate a new subscription for the switchboard interface. While the subscription is active, the processing circuit can provide pseudo-event message data indicating a data metric specified in a respective set of control data for the client entity derived from programming instructions received over a message exchange protocol.
Indication for partial segment
Systems, methods, and devices of the various embodiments enable HTTP servers, such as HTTP servers providing segments to DASH clients according to the various embodiments, to pass incomplete versions of segments in response to segment requests from the DASH clients. The various embodiments may enable clients, such as DASH clients, to parse incomplete versions of segments.
Providing eyewear equipment using a same identifier among designer, manufacturer, and purchaser
A method implemented by computer means for providing at least part of eyewear equipment adapted to a wearer is described. The method comprises a wearer data receiving step (S1). The method comprises a wearer data storing step (S2). The method comprises an identifier sending step (S3). The method comprises an eyewear equipment design sending step (S4). The method comprises an eyewear equipment data receiving step (S5). The method comprises an eyewear equipment data storing step (S6). The method comprises an eyewear equipment data sending step (S7).
Communication device, information processing device, program, and reader/writer providing system
A communication device is provided. The communication device includes an IC chip configured to read out information stored in an external device; and a communication unit configured to download an agent via a network, wherein the agent includes an application software configured to operate the IC chip as a reader, and wherein a role is provided as data associated with the application software in which at least part of a processing of the reader is performed by the agent, and wherein the communication device is configured to read out the information from the external device and to perform a predetermined processing based on the information.
Method and system for generation of media
A method of generating media programming includes providing a first media source having a plurality of media elements, tags associated with each of the media elements, and one or more first media source templates for assembling of the media elements into media programming. The method further includes providing a second media source, the second media source having at least a second template and receiving a request for media programming at the second media source. The method further includes in response to the request, generating media programming including selected ones of the media elements assembled in accordance with at least the second template.
Techniques for warming up a node in a distributed data store
In various embodiments, a node manager configures a “new” node as a replacement for an “unavailable” node that was previously included in a distributed data store. First, the node manager identifies a source node that stores client data that was also stored in the unavailable node. Subsequently, the node manager configures the new node to operate as a slave of the source node and streams the client data from the source node to the new node. Finally, the node manager configures the new node to operate as one of multiple masters nodes in the distributed data store. Advantageously, by configuring the node to implement a hybrid of a master-slave replication scheme and a master-master replication scheme, the node manager enables the distributed data store to process client requests without interruption while automatically restoring the previous level of redundancy provided by the distributed data store.
Cognitive headset awareness with external voice interruption detection
An approach is provided in which an information handling system invokes a conferencing session over a computer network between a first user utilizing a headset and one or more second users. The information handling system detects an audible interruption from a third user proximate to the first user, while the headset inhibits the first user from detecting the audible interruption. Next, the information handling system sends an interruption notification to the first user in response to determining that the audible interruption matches at least one of a set of notification triggers corresponding to the first user. In turn, the information handling system captures a dialog between the one or more second users in the conferencing session in response to the first user accepting the interruption notification.
Remote live support tool
To facilitate remote support, a live remote support tool providing versatile information exchange between an apparatus at a site and another apparatus in a remote support site is disclosed.
Service control awareness for call routing between packet switched telephony domain and circuit switched telephony domain
A telecommunications network has a packet switched domain for handling packet based calls and a circuit switched telephony domain for handling circuit switched calls. A node of the packet switched telephony domain decides whether to terminate a call to a user equipment using a packet based connection to the user equipment or using a circuit switched connection to the user equipment. In response to deciding to terminate the call using the circuit switched connection, the node sends, to a further node controlling routing of calls between the packet switched telephony domain and the circuit switched telephony domain, an indication that services related to the call are controlled in the packet switched telephony domain. In accordance with the indication, the further node may then adapt its control signalling with respect to a node of the circuit switched telephony domain.
Methods and systems for protecting a secured network
Methods and systems for protecting a secured network are presented. For example, one or more packet security gateways may be associated with a security policy management server. At each packet security gateway, a dynamic security policy may be received from the security policy management server, packets associated with a network protected by the packet security gateway may be received, and at least one of multiple packet transformation functions specified by the dynamic security policy may be performed on the packets.
Short term certificate management during distributed denial of service attacks
In one embodiment, a distributed denial of service attack on a network is identified. In response to the distributed denial of service attack, a script to request a short term certificate is executed. The short term certificate is generated by a certificate server and received either directly or indirectly from the certificate server. An instruction to redirect traffic using the short term certificate and private key is sent to a distributed denial of service attack protection service that is operable to filter or otherwise mitigate malicious traffic involved in the distributed denial of service attack.
Prefetch intrusion detection system
In one embodiment, a device in a network generates a machine learning-based traffic model using data indicative of a particular node in the network attempting to retrieve content from a particular resource in the network. The device predicts, using the traffic model, a time at which the particular node is expected to attempt retrieving future content from the particular resource. The device causes the future content from the particular resource to be prefetched in the network prior to the predicted time. The device makes a security assessment of the prefetched content. The device causes performance of a mitigation action in the network based on the security assessment of the prefetched content and in response to the particular node attempting to retrieve the future content from the particular resource.
Systems and methods for inferring entity relationships via network communications of users or user devices
A number of techniques facilitate generation of data points from observations about network traffic. An inferencing system can use these data points to determine whether a relationship exists between two entities or whether an existing relationship has terminated, without any external knowledge of the existence of or termination of such a relationship.
Rule-based remediation of vulnerabilities in a managed network
A computing system may include a database disposed within a computational instance of a remote network management platform that manages a managed network. Additionally, the computing system may include server device(s) disposed within the computational instance. The server device(s) may be configured to: compare, in order of priorities of assignment rules, a particular configuration item to the assignment rules until a matching condition is found, where the comparison includes consideration of one or more of: (i) particular item attributes of the particular configuration item or (ii) particular vulnerability attributes that apply to the particular configuration item; determine a particular remediator identifier related to the matching condition; based on a key and the particular remediator identifier, determine a particular group for the particular configuration item according to grouping rules; and store, in the database, a reference to the particular configuration item in the particular group.
Analyzing diversely structured operational policies
Disclosed embodiments relate to systems and methods for automatically processing diversely structured operational policies. Techniques include identifying first and second operational policies, determining if the policies use different vocabulary or syntax, applying a language processing protocol to the policies, and normalizing the policies. Other techniques include making available the normalized policies to a computing resource, identifying a set of related rules based on the normalizing, identifying that one of the polices has an unnecessarily high level of privileges, and reducing the level of privileges according to a least-privileges policy.
Systems and methods for detecting and preventing spoofing
Techniques for ascertaining legitimacy of communications received during a digital interaction with a client device. The techniques include: receiving a communication; identifying from the communication a first secured token; processing the first secured token by: obtaining, from the first secured token, information indicating a state of the digital interaction; and using the information indicating the state to determine whether the communication is from the client device; and when it is determined that the communication is from the client device, causing at least one action responsive to the communication to be performed; updating the information indicating the state of the digital interaction to obtain updated information indicating the state of the digital interaction; and providing a second secured token to the client device for use in a subsequent communication during the digital interaction, the second secured token comprising the updated information indicating the state of the digital interaction.
Automatic anomaly detector
Described is an automatic anomaly detector that receives a time-series of normal and abnormal activities that include features related to entities within a computing system. A feature coherence graph for the features is constructed, with the graph then clustered such that feature spaces of entities are expanded to include features that live within a same cluster but belong to separate entities. The feature spaces are unified by mapping representations of the features spaces into a Euclidean space of feature vectors. The feature vectors related to each feature are then aligned. Sets of clusters of related abnormal activities are then generated by regressing each feature vector over only those features that it possesses. The sets of clusters are used to detect anomalous behavior. The system then identifies a node within the computer system generating the anomalous behavior and initiates an action to minimize a threat posed by the node.
Comparing unsupervised algorithms for anomaly detection
Methods, systems, and computer-readable storage media for ranking anomaly detection algorithms, including operations of receiving a set of unlabeled data from one or more sensors in a plurality of sensors of an internet of things, generating a plurality of data distributions corresponding to the set of unlabeled data by using a plurality of anomaly detection algorithms, and ranking the plurality of anomaly detection algorithms relative to the set of unlabeled data based on a distance between a first quantile and a second quantile of each of the plurality of data distributions.
Security configuration lifecycle account protection for minors
Described technologies enhance cybersecurity and facilitate computing system account usage by configuring a primary account and a supplementary account together in a security configuration lifecycle. The primary account user may be a parent or other adult, while the supplementary account user may be a child or other person with less capacity than the primary user. Over time, the accounts may transition together through security configurations to give more capabilities to the supplementary user, e.g., login separate from the primary user, and to reduce the control of the primary user over the supplementary account. Security configuration lifecycle stages are implemented, e.g., using capability-security pair data structures and account security configuration code. Despite the security configuration linkage of the accounts, each account may have its own personalized content and its own recommendation history. Lifecycle position identification supports automatic reasoning to select an age-appropriate consent obtention procedure, and facilitates documentary media timeline creation.
Preventing unauthorized access to secured information systems by injecting device data collectors
Aspects of the disclosure relate to providing information security and preventing unauthorized access to resources of an information system by injecting device data collectors into pages and/or other interfaces provided by and/or otherwise associated with an information system. A computing platform may intercept a request for a uniform resource locator from a client computing device based on configuration information identifying the uniform resource locator as being protected. The computing platform may request and receive, from an application server, a page associated with the uniform resource locator. Then, the computing platform may generate a modified version of the page associated with the uniform resource locator by injecting collector code into source code defining the page associated with the uniform resource locator. Subsequently, the computing platform may send, to the client computing device, the modified version of the page associated with the uniform resource locator.
Method and device for controlling resource access
A method and device for controlling resource access, wherein the method includes: receiving a requester's access request for a target resource; performing verification for the access request; and determining whether to allow the requester to access the target resource; wherein the verification for the access request includes: determining validity of a service state related to the target resource.
Intelligent management of application connectivity
Network connectivity is selectively established by monitoring, on a client, communications activity incident to accessing a network, the communications activity including a request to access the network. An application associated with the communications activity is be identified. A communications configuration associated with the application is accessed, the communications configuration indicating how the application is configured to access the network. Network connectivity is selectively established based on the communications configuration, and the application may be enabled to access the network to support the communications activity.
Registration of the same domain with different cloud services networks
Embodiments described herein are directed to the registration of the same domain with different cloud services networks. For example, systems and methods described herein enable registering a domain in a cloud services network wherein the same domain is also concurrently registered in another cloud services network. Systems and methods described herein further enable selecting one of a plurality of cloud-based identity providers to process a request to authenticate a user associated with a domain that is registered in more than one cloud services network and generating an authentication response in accordance with the selection. Systems and methods described herein also enable the federation of user authentication requests from different cloud services networks to the same enterprise identity provider.
Control system and control method, method and apparatus for processing information, information processing terminal and method thereof, storage medium, and program
A client (such as a PC, portable telephone, PDA, electrical appliances), to which a device such as a IC card is connected, starts a handshake protocol to request a server to start communication. When communication is established via the handshake protocol, the initiative of communication is transferred to the server, and the state changes into a neutral state. In this neutral state, a control packet including a particular number of messages and a finished message is transmitted from the server to the client. If the client receives the control packet, the client performs a process according to the messages included in the control packet. This makes it possible to remotely control a device via a network in a highly reliable and efficient manner.
Systems and methods for one-time password authentication
In an aspect, the present disclosure provides an electronic device for OTP authentication of a present location, comprising: a power source, a processor, and a memory in a housing; a strap comprising first and second ends, and a first wire extending from the first end to the second end of the strap and forming an external loop, wherein the first wire establishes a first electrical connection between the power source and the processor; and a second electrical connection operatively connected to the processor and the memory, the processor configured to generate an OTP, only when the processor is connected to the power source by the first electrical connection without interruption once the first electrical connection is established. The OTP authentication may be time-based one-time password (TOTP) authentication, and the generated OTP may be a time-based one-time password (TOTP).
Systems and methods for authenticating devices using single factor dynamic authentication
A computer-implemented method for predicting a random pattern keypad based on a binding code and a session code; receiving a password input from the user via the random pattern keypad; generating a virtual one-time password based on the password input from the user; and transmitting the virtual one-time password to the server device to authenticate the client device and access services offered by the server device.
File format and platform for storage and verification of credentials
In various embodiments, a computer-implemented method for generating and verifying officially verifiable electronic representations may be disclosed. The method may include storing information associated with a credential of a user for proving the user's identity or qualifications; receiving a file generation request to provide authentication of the user based on the information associated with the credential; generating a file comprising a virtual representation of the credential that has been verified by an issuing agency to be an official representation of the credential; transmitting the file; receiving a verifying request whether the file transmitted to the user authenticates the user; verifying that a NFC or Bluetooth protocol-based communication associated with the file corresponds with the credential of the user, in response to the verifying request; and transmitting an authentication message indicating whether the NFC or Bluetooth protocol-based communication corresponds to the information associated with the credential of the user.
Secure login information
An example device includes a processor coupled to a network and a memory coupled to the processor. The memory includes computer code for causing the processor to establish a secure connection between a manageability application and an interconnect device, the interconnect device being in communication with a newly connected networked device; and securely communicate, from the manageability application to the interconnect device, temporary login information for the networked device.
Network mapping using a fingerprint
A system for network mapping includes an interface and a processor. The interface is configured to receive an indication to scan a set of addresses using a fingerprint. The processor is configured to for an address of the set of addresses: receive a response associated with the address; determine whether the response matches the fingerprint; and store the address in a client network database in the event the response matches the fingerprint.
System and method for multi-tenant SSO with dynamic attribute retrieval
A system and method for multi-tenant single sign-on (SSO) identity management with dynamic attribute retrieval, the system includes at least one service provider, at least one service provider plug-in, and a service automation platform. A method for multi-tenant SSO identity management with dynamic attribute retrieval, includes the steps of receiving a link to a service provider at an SSO dispatcher, the SSO dispatcher identifying a service, requesting at the SSO dispatcher, user attributes for the at least one service provider, assembling at a service provider handler implementation, a response query, retrieving identity provider credentials from the service automation platform, signing at the SSO dispatcher, a package for a user's authentication, and redirecting the package to the service provider.
Methods, apparatuses and computer program products for utilizing visual authentication tokens as cross-platform credentials
An apparatus is provided for facilitating cross-platform authentication. The apparatus may include at least one memory and at least one processor configured to detect that a visual token includes data indicating one or more authentication credentials for accessing a communication device in response to scanning the visual token. The computer program code may further cause the apparatus to communicate the authentication credentials of the detected visual token to the communication device to request the communication device to determine whether the authentication credentials are valid for a user. The computer program code may further cause the apparatus to enable access to the communication device in response to receiving an indication from the communication device that the authentication credentials of the detected visual token are valid. Corresponding computer program products and methods are also provided.
Method for checking a parameter indicating a confidence level associated with a user account of an online service
A method for checking a confidence level associated with a first user account of an online service, each user account including associated user data and contact means, the method includes the steps of selecting at least one second user account, generating a first code, recording the first code in association with the first user account, sending a first message via a contact means associated with the second user account, the first message including the first code generated and, in subsequent steps, of receiving, from a first electronic device connected to the online service with the first user account, a second message including a second code and, when the second code is equal to the first code recorded in association with the first user account, then increasing the value of the parameter indicating the confidence level associated with the first user account of the online service.
Data communication device, communication system, data relay method, and recording medium with stored program
A data communication device includes a first communicator that receives encrypted data; a second communicator that transmits the encrypted data; an identification information acquisition unit that, when the first communicator has received information for encryption that is used for establishing encrypted communications including encrypted part and plaintext part where the plaintext part includes identification information of a transmission source of the encrypted data, acquires the identification information from the information for encryption; and a configurator that sets data transmission of the second communicator, based on the identification information.
Systems and methods for decryption as a service via a hardware security module
Systems and methods for decryption of payloads are disclosed herein. In various embodiments, systems and methods herein are configured for decrypting thousands of transactions per second. Further, in particular embodiments, the systems and methods herein are scalable, such that many thousands of transactions can be processed per second upon replicating particular architectural components.
Border gateway protocol multipath scaled network address translation system
A system for indirect border gateway routing comprising a provider edge router; at least one virtual routing and forwarding instance in communication with the provider edge router, each virtual routing and forwarding instance including a route target; a pointer identification list in communication with the provider edge router, the pointer identification list containing at least one route target associated with a virtual routing and forwarding instance; and a virtual routing and forwarding import instance adapted to receive a route from the provider edge router, the route including a pointer identification directing the virtual routing and forwarding import instance to scan the pointer identification list for the route target associated with the plural virtual routing and forwarding instance, and wherein the virtual routing and forwarding import instance is further adapted to import the route to the at least one virtual routing and forwarding instance having a route target on the pointer identification list.
Identification of a significant communication from a revived contact
A system identifies a significant communication from a revived contact. A user and the contact interact, and the interaction is monitored to determine a weighted significance value to attribute to the contact. The interaction may include communication, a designation of significance by the user, and organizational associations. The weighted significance value is attributed to the contact. A subsequent communication is detected and a weighted time difference value for the subsequent communication is determined. If the subsequent communication satisfies a significant communication condition, then the subsequent communication is designated as a significant communication.
DNS server and configuration loading method, DNS network system, and domain name resolution method and system
The present disclosure provides an DNS server and configuration loading method, an DNS network system, and a domain name resolution method and system. The present disclosure relates to the field of network communication technologies. The DNS server configuration loading method includes: dividing at least two NS partitions according to network carriers and/or regions; based on an IP address of an DNS server, obtaining an NS partition on which the DNS server has a traffic; from local records or database, filtering out domain name configuration information belonging to the NS partition corresponding to the DNS server; and loading the filtered-out domain name configuration information into a memory of the DNS server. The present disclosure significantly reduces the amount of DNS configuration; increases the efficiency for the DNS server to load the domain name configuration information; reduces the loading time; and reduces the memory resource consumption of the DNS server.
Method and system for tracking an email message
The method comprises embedding, by an application (11), a first tracking mark in an email message (50) to be send to a recipient device (20) via a second server (200), and sending metadata (40) about the email message (50) to a first server (100); storing, by the second server (200), a first copy of the email message (51) and forwarding the email message (50) to said recipient device (20); and detecting when the recipient device (20) opens the email message (50) by the recipient device (20) requesting the embedded first tracking mark to said first server (100), wherein before or after said detecting being performed, said first copy of the email message (51) is replaced with a second copy of the email message (52) including no tracking mark, having embedded therein a second tracking mark or having embedded therein an inactive mark instead of the first tracking mark.
Information processing apparatus, information processing method, program, and information processing system for sending a message with an image attached thereto
There is provided an information processing apparatus, an information processing method, a program, and an information processing system that are capable of proactively supporting continuous communication, the information processing apparatus including: an acquiring unit that acquires a predetermined number of message content items, as candidates to be sent, from a plurality of message content items classified as a category corresponding to an image used for communication among a plurality of categories into which the message content items are classified; and an option creating unit that creates an option for prompting a selection of the message content item to be sent from the predetermined number of message content items acquired by the acquiring unit, and exhibits the option at a predetermined timing. The present technology can be applied to, for example, an information processing apparatus that constitutes a communication support system.
Messaging system having send-recommendation functionality
A method is provided for determining when to send an electronic message. The method may include receiving the electronic message for a recipient, and making a prediction associated with the electronic message being positively received by the recipient based on an attribute of the electronic message and an additional attribute of the recipient. The method may also include selectively sending or deferring sending of the electronic message based on the prediction.
Methods and systems for processing messages at a multi-SIM network node
The present invention discloses a method for processing messages at a network node, wherein the network node has a plurality of SIM card slots. The network node first receives a message and determines whether the message matches any predefined pattern by performing a lookup on the first configuration database. If the message matches any predefined pattern, the network node processes the message. Alternatively, this can be done when the message is forwarded to a management server.
Systems and methods for presenting event notifications, based on trending communications, on devices notwithstanding a user instruction to disable event notifications
Systems and methods are provided for generating for presentation information about an event on a device that is in a mode of operation that prevents presentation of information about events. This may be accomplished by a media guidance application that receives a command, on a user device associated with a first user, to place the user device in a do not disturb mode. The media guidance application receives, while the user device is in the do not disturb mode, information about an event and determines whether the event is relevant to the user. The media guidance application then determines whether the event is trending among a plurality of users associated with the user and, if trending, displays, while the user device is in the do not disturb mode, a notification about the event to the user on the user device.
Automated relevance analysis and prioritization of user messages for third-party action
Techniques are provided for performing automated operations to analyze incoming user messages. An indication of a message sent to a recipient user is received. Based at least in part on natural-language processing of the contents of the received message, the received message is analyzed. Such analysis includes determining an action date associated with the received message that is distinct from a date on which the received message was sent to the recipient user, and determining one or more action items corresponding to that action date. An indication of the action date and the one or more corresponding action items may be provided to each of one or more relevant third parties prior to the action date in order to facilitate the display of an additional message to the recipient user regarding the corresponding action items.
System and method for collecting and storing electronic messages of different types based on subject matter
Included are methods for integrating communications data by project, Analyst and Tester, without requiring the subject to be included in the communication data. The methods integrate at least two communication channels into a database by project, wherein at least at least one communication channel is configured to send communication data directly to the database and at least one other communication is periodically pooled in order to data transfer to the database.
Interface virtualization and fast path for Network on Chip
Example implementations described herein are directed to a configurable Network on Chip (NoC) element that can be configured with a bypass that permits messages to pass through the NoC without entering the queue or arbitration. The configurable NoC element can also be configured to provide a protocol alongside the valid-ready protocol to facilitate valid-ready functionality across virtual channels.
Error correction optimization
A method for data communication between a first node and a second node over a data path coupling the first node and the second node includes transmitting a segment of data from the first node to the second node over the data path as a number of messages, the number of messages being transmitted according to a transmission order. A degree of redundancy associated with each message of the number of messages is determined based on a position of said message in the transmission order.
Network flow management for isolated virtual networks
A network address assigned to a virtual network interface of a packet transformation node of a flow management service is identified. A packet of a particular network flow associated with an application implemented at an isolated virtual network is sent to the network address. Using a rewrite directive generated at a rewriting decisions node of the service and cached at the packet transformation node, a transformed packet corresponding to a packet received at the packet transformation node is generated and transmitted to a destination.
Method and apparatus for effective wireless LAN selection
A method for selecting an access network in a terminal of a mobile communication system according to one embodiment of the present specification comprises the steps of: if traffic is generated in the terminal, selecting an access network according to the characteristics of the generated traffic and network selection policy information; and transmitting and receiving the generated traffic via the selected access network. According to the embodiment, the present invention adjusts priorities of accesses given to users and applications in a wireless communication system including heterogeneous networks, thereby reducing processes for reselecting an access network of a user terminal, and reducing the cases of unnecessarily accessing a network having a low priority or requiring high costs for a long time. Therefore, the present invention can enhance user convenience and improve communication efficiency.
Method and apparatus for implementing load sharing
The present disclosure discloses a method and an apparatus for implementing load sharing. The method includes: for a congested first link on a first forwarding node, selecting, by a network device, a packet flow forwarded by using the first link; selecting a second link that may be used to forward the packet flow and that is not congested after available bandwidth of the second link is occupied by the packet flow, where the second link is a link between the first forwarding node and a second forwarding node; selecting a first hash gene corresponding to the second link; determining that a third link is not in a congested state after available bandwidth of the third link is occupied by the packet flow; and saving the first hash gene in a source node of the packet flow, where the third link is a link that is on the second forwarding node.
Channeling elements in an analytics engine environment
Embodiments include techniques for channeling elements in an analytics engine environment, techniques include analyzing a current process, and identifying critical data element types associated with the current process. The techniques also include receiving a real-time data stream including a plurality of data elements, and pre-filtering the plurality of data elements, wherein the pre-filtering determines one or more of the plurality of data elements are associated with the critical data element type. The technique includes selecting a channel of a plurality of channels to fast-path the one or more of the plurality of data elements based at least in part on the pre-filtering, and increasing a confidence level corresponding to the current process and the critical data element type based on a state of the current process.
Apparatus and method of generating lookups and making decisions for packet modifying and forwarding in a software-defined network engine
Embodiments of the present invention relate to a Lookup and Decision Engine (LDE) for generating lookup keys for input tokens and modifying the input tokens based on contents of lookup results. The input tokens are parsed from network packet headers by a Parser, and the tokens are then modified by the LDE. The modified tokens guide how corresponding network packets will be modified or forwarded by other components in a software-defined networking (SDN) system. The design of the LDE is highly flexible and protocol independent. Conditions and rules for generating lookup keys and for modifying tokens are fully programmable such that the LDE can perform a wide variety of reconfigurable network features and protocols in the SDN system.
Data routing of extranet flows in fabric networks
In accordance with various embodiments, a method is performed including receiving, at a first node associated with a first instance identifier, a packet from a first host addressed to a second host. The method includes sending, from the first node to the second node, the packet. The method includes receiving, from the second node, a solicit map-request for the second host including the first instance identifier of the first node and the second instance identifier of the second node for the second host. The method includes sending, in response to receiving the solicit map-request for the second host, a map-request for the second host. The method includes receiving, in response to sending the map-request for the second host, a map-reply indicating a third node associated with the second instance identifier. The method includes sending, from the first node to the third node, the packet.
Method and apparatus for selecting processing paths in a software defined network
Aspects of the subject disclosure may include, for example, a method including receiving, from a first network slice comprising a set of virtual network functions instantiated in a network, a first request including a first characteristic for a first service associated with a first communication device, receiving, from service layer equipment, first information associated with plurality of network slices, selecting, according to the first characteristic and the first information, a second network slice of the plurality of network slices for facilitating providing a plurality of available services via the network, directing the first network slice to route user plane communication traffic between the first communication device and the second network slice, and directing, by the processing system, the second network slice to facilitate providing the first service to the first communication device via user plan communication traffic. Other embodiments are disclosed.
Systems and methods for selecting communication paths for applications sensitive to bursty packet drops
Described embodiments provide systems and methods for selecting communication paths for applications sensitive to bursty packet drops. A device intermediary to a client and a server may identify an application for which packets are to be communicated between the client and the server. The device may determine a sensitivity level of the application to a network disruption affecting the packets. The device may estimate, for each path between the client and the server for communicating the one or more packets, a path quality for the path indicating a likelihood that the network disruption affects the one or more packets. The device may select path for communicating the packets based on the sensitivity level of the application and the path quality. The device may communicate the packets between the client and the server via the path.
Enhanced error signaling and error handling in a network environment with segment routing
Embodiments include generating an error message based on an error associated with a packet, adding to the error message an address of a node in a segment routing domain of a network to serve as a destination address of the error message, and adding a new segment routing header to the error message. Embodiments also include rewriting the packet where the rewriting includes replacing a destination address in the packet with a final destination address associated with the packet. Embodiments further include adding the rewritten packet to the error message, and forwarding the error message to the destination address of the error message. In specific embodiments, the rewriting the packet includes removing a segment routing header of the packet. More specific embodiments include deriving the new segment routing header from information in the packet.
Locally protecting service in a labeled switched path network
A network node that provides egress fault protection for a primary egress node. The network node may receive a service label associated with an application from a primary egress node of a primary label switched path (LSP). The network node may use the service label to add a forwarding entry into a forwarding table associated with the primary egress node. Following a fault in the primary egress node, the network node may receive a data packet comprising an LSP label and the service label from a partial backup LSP. The network node may use the LSP label to locate the forwarding table associated with the primary egress node. The service label may be used to deliver the data packet to a destination node according to the forwarding table associated with the primary egress node.
Multicast-based content distribution for IoT networks using bit index explicit replication (BIER)
In one embodiment, a local content hub device in a network receives content for distribution to a plurality of nodes in the network. The content is sent to the local content hub via a wide area network (WAN) using bit index explicit replication (BIER) messaging. The local content hub device caches the content and multicasts the cached content to the plurality of nodes in the network. The local content device determines that at least one of the plurality of nodes in the network did not receive the multicast content. The local content device retransmits the content to at least one of the plurality of nodes in the network that did not receive the multicast content.
Test device and test method
The present invention provides a test device for analyzing data communication of an electronic device, the test device comprising a data encoder configured to encode outgoing data according to a predefined physical protocol and output a respective outgoing physical signal to the electronic device, a data analyzer configured to receive an incoming physical signal from the electronic device and provide incoming data encoded in the incoming physical signal, a protocol emulator that is coupled to the data encoder and the data analyzer and that is configured to generate the outgoing data and decode the incoming data according to a predetermined application protocol, and a protocol analyzer that is coupled to the protocol emulator and that is configured to analyze a protocol conformance of the incoming data to the predefined application protocol. Further, the present invention provides a respective test method.
Communication system determining time of arrival using matching pursuit
A wireless receiver receives location pilots embedded in received symbols and uses the location pilots to detect the first path for every base station the network has designated for the receiver to use in time of arrival estimation. The receiver preferably applies matching pursuit strategies to offer a robust and reliable identification of a channel impulse response's first path. The receiver may also receive and use estimation pilots as a supplement to the location pilot information in determining time of arrival. The receiver can use metrics characteristic of the channel to improve the robustness and reliability of the identification of a CIR's first path. With the first path identified, the receiver measures the time of arrival for signals from that path and the receiver determines the observed time difference of arrival (OTDOA) to respond to network requests for OTDOA and position determination measurements.
Reducing data storage and network traffic with data compression
A data collection device can determine that a connection is unavailable between the data collection device and a data processing platform. The data collection device can obtain, after the connection is unavailable, a plurality of readings. The data collection device can determine, based on determining that the connection is unavailable, to discard one or more readings from the plurality of readings to form a set of readings. The data collection device can store, based on determining that the connection is unavailable, the set of readings without storing the one or more readings. The data collection device can determine, after storing the set of readings, that the connection is available. The data collection device can transmit, based on determining that the connection is available, the set of readings to the data processing platform.
Identify server cluster by applying social group analysis
Examples of identifying a cluster of servers and generating a graphical representation of the cluster of servers are disclosed. In one example implementation according to aspects of the present disclosure, a cluster of servers may be identified based on applying a social group analysis to network traffic related to a plurality of interconnected servers. A graphical representation of the identified cluster of servers may be generated.
Method and system for managing a service provider infrastructure
A computer-based method (and associated system) for managing services provided by a service provider includes receiving a service order at a computer-based workflow engine, sending a generic ready-to-activate service order to a provisioning engine if network element involvement is needed to perform a step involved in satisfying the service order, assembling a command at the provisioning engine, in a format that is specific to the network element, to perform the step, and sending the network element-specific command from the provisioning engine to the network element.
System and method to provide network insights for correct and efficient network configuration
A network configuration development environment including an insights enabled editor is disclosed. In particular, this disclosure is related to an editor that provides just-in-time information in an insights area to assist a network developer to configure parameter settings for one or more network devices. In one example, attributes of a switch are the area of focus of a current edit session, and, based on this area of focus, the insights editor may query the switch to obtain current information. Information returned from the switch may be provided in an “insights area” visible to the user about to edit settings for that same switch. The disclosed insights editor represents part of an overall network configuration development environment that includes automated techniques to assist with network configuration, design and maintenance.
Method and apparatus for generating network control policy, and network controller
A method for use by a network controller is provided. The controller collects network status data of a current moment, and estimates network status information of the current moment according to the network status data of the current moment. The controller predicts network status information of a next moment according to the network status information of the current moment. The controller receives and preprocessing a dataflow entering the network at the current moment, to obtain a preprocessing result of the dataflow. The controller generates a control action by using a network control policy of the current moment and according to the network status information of the current moment, the predicted network status information of the next moment, and the preprocessing result of the dataflow. The controller obtains feedback information of the network resulted from the control action, and generates a network control policy of the next moment.
Network topology self-adapting data visualization method, device, apparatus, and storage medium
The present application discloses a network topology self-adapting data visualization method, device, apparatus, and storage medium. The network topology self-adapting data visualization method includes: preprocessing nodes, output the preprocessed nodes; processing the preprocessed nodes by the force guidance layout algorithm to form an initial network topology graph; performing de-duplication processing for the duplicated preprocessed nodes in the initial network topology graph and outputting the de-duplicated nodes; and forming an object network topology graph on the basis of the de-duplicated nodes. By means of the network topology self-adapting data visualization method, data visualization and automation can be achieved, the data visualization processing procedure is simplified, manual intervention is not needed, the manual intervention cost can be effectively reduced, and the processing efficiency is improved.
Network distance prediction method and apparatus
A network distance prediction method and apparatus, wherein the method includes communicating, with at least two reference nodes, to determine values of at least some elements in a local distance matrix; constructing, the local distance matrix based on the values of the at least some elements in the local distance matrix; performing, low-rank sparse factorization on the local distance matrix to obtain a low-rank matrix; obtaining, values of elements in a first element set of the low-rank matrix, to use the values as target values of network distances between the to-be-positioned node and the at least two reference nodes; communicating, with the reference nodes, to obtain coordinates of the reference nodes in a network coordinate system; and determining, coordinates of the to-be-positioned node.
System and method for generating discovery profiles for discovering components of computer networks
Generating discovery profiles for discovering components of a computer network using agent software can include receiving a command from a client device to generate a discovery profile for an agent software instance. A network subnet and at least one network gateway address can be obtained from the agent software instance, which network subnet and at least one network gateway address can be associated with a network interface of the computing device operating the agent software. At least one other network subnet can be obtained from the agent software instance by sending instructions to the agent software instance to identify the at least one other network subnet using the at least one network gateway address. A discovery profile including the network subnet and the at least one other network subnet can then be generated for the agent software instance.
Ranking health and compliance check findings in a data storage environment
A method and system. A health and compliance check report for a network including two or more devices is received. The report includes a list of health and compliance check findings at a particular time. Each finding indicates a determination of non-compliance of a subject device of the two or more devices with a predetermined requirement and includes a severity value associated with the determination of non-compliance of the subject device. For each finding in the report, a ranking value is determined based on the associated severity value and an importance value of one or more devices connected to the subject device.
Full path diversity for virtual access point (VAP) enabled networks
In one embodiment, a supervisory device in a network assigns different access points in the network to different access point groupings. Each of the different access point groupings uses a different network path to communicate with a given endpoint in the network. The supervisory device selects at least one of the access points in each of the different access point groupings for mapping to a virtual access point (VAP) for a node in the network as part of a VAP mapping. The supervisory device instructs the selected access points to form a VAP for the node. The node treats the access points in the VAP mapping as a single access point for purposes of communicating with the network.
Enhanced performance of a telecommunications network comprising at least one group of pooled mobility management entities
A method for enhanced performance of a telecommunications network includes a first step and/or a second step. The first step includes: the first mobility management entity receives update configuration data; the first configuration data of the first mobility management entity are at least in part replaced or modified by the update configuration data; either the update configuration data or at least part of the updated first configuration data are transmitted to the second mobility management entity; and the second configuration data of the second mobility management entity are at least in part replaced or modified by the update configuration data or by the at least part of the updated first configuration data. The second step includes: upon the second mobility management entity being either restarted and/or updated and/or added to the group of pooled mobility management entities the second mobility management entity receiving startup configuration data from the first mobility management entity, the startup configuration data being part of the first configuration data or being part of the updated first configuration data of the first mobility management entity.
Upgrade a version of a service
According to examples, a method for upgrading a version of a service may include instructing a host device to pre-spawn a number of first host processes configured to provide a first version of the service in a computing node and to pre-spawn a number of second host processes configured to provide a second version of the service according to a first scaling constraint in the computing node. The method may also include, in response to receiving an indication that each of the second host processes is operating properly, instructing the host device to decrease the number of first host processes and to increase the number of second host processes as defined in a second scaling constraint.
Distributed 802.11S mesh network using transformer module hardware for the capture and transmission of data
A power grid network is provided featuring a mesh network having a mesh node with a signal processor. The signal processor receives signaling containing information about collected data, which includes electrical signaling data related to electrical signaling being processed by a transformer to which the mesh node is coupled, metered data related to associated electrical signaling being provided from the transformer to a building or structure, and other mesh network data from one or more other mesh nodes deployed in the mesh network. The signal processor also determines corresponding signaling containing information about the collected data for transmitting back to a central location or one or more corresponding mesh nodes in the mesh network for further processing, based upon the signaling received.
Interoperability gateway for land mobile radio system
Disclosed is an interoperability gateway system that provides backup connection between a dispatch center and a Land Mobile Radio (LMR) system in the event the dispatch center is disconnected from the LMR system. In general, this may be accomplished by providing an RF link between the disconnected site and the interoperability gateway via a controller, or interoperability site network interface (ISNI), that is activated when the dispatch center is disconnected from the LMR system. The interoperability gateway provides the backup connection by allocating a control station for each channel available at the disconnected LMR system. When compared to conventional dispatch console backup schemes, the disclosed interoperability gateway system greatly reduces the equipment needed to provide dispatch console backup, thereby decreasing equipment and operation costs, and simplifying operation by providing a solution that is virtually transparent to the dispatcher.
Apparatus and method for controlling network device based on network service in communication system
An operation method of a server in a communication system may comprise receiving device information from each of a plurality of devices; generating service modeling information for each of a plurality of services; generating category modeling information for sub-services of each of the plurality of services based on the device information and the service modeling information; receiving service information; generating device modeling information corresponding to the category modeling information based on the service information; and transmitting the device modeling information to each of the plurality devices corresponding to the device modeling information, wherein the device modeling information includes configuration information for a network service function corresponding to a device corresponding to the device modeling information.
Multiplexers with protection switching
The present invention is directed to data communication. In certain embodiments, the present invention provides switching mechanism for choosing between redundant communication links. Data received from a first set of communication links are processed to have alignment markers removed, and first figure of merit value is determined based on the data without alignment markers. Similarly, a second figure of merit value is determined for the data received from the second set of communication links. A switch selects between the first set of communication links and the second set of communication links based on their respective figure of merit values. Alignment markers are inserted into the data transmitted through the selected set of data links. There are other embodiments as well.
System and method for automatic gain control adaptation
A circuit includes an AGC adaptation circuit configured to receive a first signal generated based on an AGC output signal from an AGC circuit. The AGC circuit applies an AGC gain to an AGC input signal to generate the AGC output signal. The AGC adaptation circuit determines an observed value of the first signal, and determines a AGC adaptation step size based on the observed value and a predetermined target value associated with the first signal. The AGC adaptation circuit provides a second signal to adjust the AGC gain of the AGC circuit using the AGC adaptation step size.
Method and apparatus for transmitting ACK/NACK
A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and receiving, from the base station, the ACK/NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal.
Baseband unit with adaptive fronthaul link and dynamic ran parameters
A distributed radio frequency communication system facilitates communication between a wireless terminal and a core network. The system includes a remote radio unit (RRU) coupled to at least one antenna to communicate with the wireless terminal. The RRU includes electronic circuitry to perform at least a first portion of a first-level protocol of a radio access network (RAN) for communicating between the wireless terminal and the core network. The system also includes a baseband unit (BBU) coupled to the core network, and configured to perform at least a second-level protocol of the RAN. A fronthaul link is coupled to the BBU and the RRU. The fronthaul link utilizes an adaptive fronthaul protocol for communication between the BBU and the RRU. The adaptive fronthaul protocol has provisions for adapting to conditions of the fronthaul link and radio network by changing the way data is communicated over the fronthaul link.
System and method for modulation classification using signal graphs
This invention relates system for classifying a modulation format of a communication signal. The system includes a receiving antenna system, to receive the communication signal, a preprocessing module, to evaluate a Fourier transform of a plurality of samples of the received communication signal, normalize each discrete sample of the Fourier transform, quantize each normalized sample based on a number of quantization levels (Q), a graphical analyzer to construct a undirected graph by tracing amplitude of the each quantized sample; and a classification module to extract one or more modulation classification (MC) features from the undirected graph; and to determine the modulation format of the received communication signal based on the extracted MC features.
Systems and methods for cable headend transmission
Systems and methods for cable transmission are provided. The system includes an up-tilt circuit, a digital-to-analog converter, and a power amplifier. The up-tilt circuit is configured to receive an input digital signal that has a flat spectrum and generate an up-tilted digital signal that has an up-tilted spectrum. The digital-to-analog converter is configured to receive the up-tilted digital signal and to provide an analog signal. The power amplifier is configured to receive the analog signal and amplify the analog signal for cable transmission.
High speed receiver
Disclosed herein are related to a system and a method for high speed communication. In one aspect, the system includes a set of slicers configured to generate a slicer output signal digitally indicating a level of an input signal received by the set of slicers. The system includes a speculative tap coupled to the set of slicers, where the speculative tap is configured to select bits of the slicer output signal based on selected bits of a prior slicer output signal. The system includes a decoder coupled to the speculative tap, where the decoder is configured to decode the selected bits of the slicer output signal in a first digital representation into a second digital representation. The system includes a feedback generator coupled to the decoder, where the feedback generator is configured to generate a feedback signal according to the decoded bits of the slicer output signal.
Network-link method useful for a last-mile connectivity in an edge-gateway multipath system
In one exemplary aspect, an edge-gateway multipath method includes the step of providing an edge device in a local network communicatively coupled with a cloud-computing service in a cloud-computing network. A set of wide area network (WAN) links connected to the edge device are automatically detected. The WAN links are automatically measured without the need for an external router. The edge device is communicatively coupled with a central configuration point in the cloud-computing network. The method further includes the step of downloading, from the central configuration point, an enterprise-specific configuration data into the edge device. The enterprise-specific configuration data includes the gateway information. The edge device is communicatively coupled with a gateway in the cloud-computing network. The communicatively coupling of the edge device with the gateway includes a multipath (MP) protocol.
Service offload or bypass initiated by a service function forwarder in a service function chaining network
In one embodiment, a service function forwarder (SFF) analyzes pre-service state and post-service state of an original packet to determine whether to initiate and perform service offload or service bypass. A service function forwarder (SFF) receives a particular packet having a service function chain (SFC) encapsulation of the original packet, the SFC encapsulation identifying a particular service function path (SFP) designating a particular service function (SF). The SFF extracts pre-service state of the original packet, typically adding it to the particular packet in an In-Situ Operations, Administration, and Maintenance (IOAM) data field (or alternatively storing locally) before sending the particular packet to the particular SF. The SFF receives the particular packet after the SF applies the particular network service. In response to analyzing pre-service state and post-service state by the SFF, the SFF may perform service bypass or service offload for subsequently received packets identifying the same particular SFP.
Smarter plug for mindful home automation
A smarter plug for a home automation system includes a smarter plug sensor and a controller which stores logic for operating the smarter plug sensor. The smarter plug sensor includes three A-D op-amps respectively paired with three resistors having different values forming three different op-amp voltage meters. The three different op-amp voltage meters respectively report a first sensor-voltage slope with a higher sensitivity and a lower range, a second sensor-voltage slope with a lower sensitivity and a higher range and a third sensor-voltage slope with a range and a sensitivity intermediate between these ranges.
Device-assisted services for protecting network capacity
Device Assisted Services (DAS) for protecting network capacity is provided. In some embodiments, DAS for protecting network capacity includes monitoring a network service usage activity of the communications device in network communication; classifying the network service usage activity for differential network access control for protecting network capacity; and associating the network service usage activity with a network service usage control policy based on a classification of the network service usage activity to facilitate differential network access control for protecting network capacity.
Managing blockchain-based centralized ledger systems
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for managing blockchain-based centralized ledger systems. One of the methods includes transmitting a timestamp request for a to-be-timestamped block of a blockchain at a time point to a trust time server by a ledger server in a blockchain-based centralized ledger system that stores data in the blockchain, the trust time server being associated with a trust time authority and independent from the blockchain-based centralized ledger system, the blockchain including a plurality of blocks storing transaction data, and disregarding the timestamp request in response to determining that a predetermined time period has lapsed after the time point and that there has been no reply to the timestamp request from the trust time server.
Device authentication based on analog characteristics without error correction
This application describes systems and methods for using a physical unclonable function (PUF) to authenticate a device, which may include circuitry for generating PUF values that may uniquely identify the device. According to one aspect, the device may provide enrollment PUF values to an authentication device. The device may later be authenticated if PUF values generated by the device are within a threshold distance of the enrollment PUF values. Since the PUF values are compared using a distance, it may not necessary to apply an error correcting code to the PUF values. The enrollment values and/or the calculated distance may be adjusted to compensate for time variations in the PUF values due to circuit aging. Systems and methods are also described herein for authenticating the device without revealing new PUF values to any second party, for example using a cryptographic technique known as a garbled circuit.
Method and system for facilitating use of an electronically controlled lock
A method for an authorised device to effect unlocking of a lock, the authorised device initially being an unverified device, the method comprising: a lock controller operatively interfaced to the lock communicating to a verified device a lock ID of the lock controller via a local communication channel; the verified device generating encrypted data comprising the lock ID; the verified device communicating the encrypted data to the authorised device via a data communication channel; the authorised device obtaining a decryption key for decrypting the encrypted data; the authorised device determining the lock ID by decrypting the encrypted data using the decryption key; the authorised device generating with the lock ID a response to a challenge by the lock controller; the lock controller determining that the response is a correct response; and in response, the lock controller causing unlocking of the lock.
System and method for decrypting communication exchanged on a wireless local area network
Systems and methods for obtaining authentication vectors issued, for use by a mobile communication terminal, by a Home Location Register (HLR) that serves a cellular communication network independently of any cooperation with the cellular network. Further to obtaining the authentication vectors, a terminal is caused to communicate over a WiFi WLAN using an encryption key derived from the obtained authentication vectors, e.g., per the EAP-SIM or EAP-AKA protocol. Since the encryption key is known, communication from the terminal is decrypted. The authentication vectors may be obtained by (i) an “impersonating” Visitor Location Register (VLR) server that does not serve the cellular network; (ii) an interrogation device which, by imitating a legitimate base station serving the cellular network, solicits the mobile communication terminal to associate with the interrogation device; or (iii) an SS7 probe, which obtains authentication vectors communicated from the HLR server to other entities on the SS7 network.
Binding version stamp for smart contracts
In one example, a smart contract is generated such that the smart contract includes a schema and at least two counterparties. An updated version of the smart contract is generated. The updated version of the smart contract is stamped with a version stamp. The version stamp is used to prove the validity of the updated version of the smart contract.
System and method for authenticating multiple separate objects using one signature via chain of trust
A method is provided for authenticating two distinct objects using a single signature stored on one of the objects. On initiation of a hardware system a valid hash value can be generated based at least in part on a rootdisk file and a kernel can be modified to contain the valid hash value. On subsequent boots of the hardware system, the valid hash value stored within the kernel can be compared with a value of a potential rootdisk file and if the valid hash value and the rootdisk hash value match, the hardware system can proceed with the boot process.
User authentication using tokens
Aspects of the disclosure relate to token-based authentication mechanism. A computing device may receive information, determined by one or more sensors systems, corresponding to a user. The user information may comprise user biological information as measured by the one or more sensor systems. The computing device may generate a token based on the received user information. The computing device may store the generated token, in a memory associated with the computing device. The computing device may transmit the token to a user token device corresponding to the user. The user token device may be used to authenticate the user.
Methods for minimizing side channel leakage for group key agreement for controller area network
A method for operation of a communication network reduces leakage of data to an adversary that can observe signals transmitted through the communication network. The method includes generating a ranking to order operation of a plurality of nodes that exchange data in a group cryptographic key exchange process based on a leakage map of the nodes. The ranking minimizes leakage of data through a shared communication medium during the group cryptographic key exchange process. The method includes transmitting the ranking to the plurality of nodes through the shared communication medium, and performing, with the plurality of nodes, the group cryptographic key exchange process in an order of operation specified in the ranking to enable the plurality of nodes to exchange a shared cryptographic key through the shared communication medium while minimizing leakage of data.
Secure computation system, server apparatus, secure computation method, and program
A secure computation system configured to perform multi-party computation on a value of a predetermined function whose argument includes secret data, comprises a plurality of server apparatuses; wherein the plurality of server apparatuses, comprise: storage units that store shares that are bases over (of) a finite field generated by performing secret sharing on the secret data; share expansion units that generate extended shares by expanding the shares; OR operation units that perform OR operations included in the predetermined functions using the extended shares; and NOT operation units that perform NOT operations included in the predetermined functions using the extended shares.
Block chain decoding with fair delay for distributed network devices
A system that includes a first network node configured to store a first ledger, a second network node configured to store a second ledger, and a third network node. The third network node includes a transformation engine configured to obtain a plurality of enriched shares from at least one ledger using an index identifying enriched shares linked with a data entry. The number of obtained enriched shares is at least a threshold value corresponding to the number of enriched shares needed to determine the data entry. The transformation engine configured to remove enriched data from the plurality of enriched shares to generate a plurality of shares and perform polynomial interpolation using the plurality of shares to determine the result of the polynomial interpolation at zero. The result of the polynomial interpolation at zero is equal to the data entry.
Reduction in storage usage in blockchain
Common data are maintained by a system including a plurality of node devices that each store a respective portion of a common data in a respective database, wherein a node device of the plurality of node devices stores a first portion of the common data, and receives a hash value of a second portion of the common data that is different from the first portion, in response to an update of the second portion of the common data.
High-precision rational number arithmetic in homomorphic encryption
In aspects of high-precision rational number arithmetic in homomorphic encryption, a computing device stores homomorphic encrypted data as a dataset, and implements an encryption application that can encode integers into plaintext polynomials, where the integers are representative of initial data received for encryption. The encryption application can encrypt the plaintext polynomials into ciphertexts of the homomorphic encrypted data, and perform homomorphic operations as rational number arithmetic on the ciphertexts, generating updated ciphertexts while the homomorphic encrypted data remains encrypted. The encryption application can then decrypt the updated ciphertexts to modified plaintext polynomials that can be resolved back to the plaintext polynomials effective to recover the integers that represent the initial data. The encryption application can also decode the modified plaintext polynomials back to the integers effective to recover the initial data in an unencrypted form.
Method and apparatus for simultaneous propagation of multiple clockfrequencies in serializer/deserializer (SerDes) Macros
The disclosed systems, structures, and methods are directed to a two wire-based clock multiplication unit (CMU), employing a first phase lock loop (PLL) configured to generate a first high-speed clock frequency f1 encoded in differential mode, a second PLL configured to generate a second high-speed clock frequency f2 encoded in common mode, and a summer configured to combine the differential mode encoding the first high-speed clock frequency f1 and the common mode encoding the second high-speed clock frequency f2 and transmit the combined differential and common mode high-speed clock frequencies on a two wire-based conductor bus. In addition, systems, structures, and methods directed to a two wire-based clock recovery module and a two wire-based clock recovery module have also been disclosed.
Method and user equipment for receiving downlink signal, and method and base station for transmitting downlink signal
Provided is a device and method for transmitting or receiving an uplink channel or a downlink channel. In a wireless communication system, a user equipment: receives a physical downlink control channel (PDCCH) for the user equipment in subframe n; and repeatedly transmits a physical uplink shared channel (PUSCH) corresponding to the PDCCH within D subframe(s) out of every P subframes from subframe n+k, wherein each of k, D, and P is a positive integer, and P may be a predefined value greater than D.
Waveform observation system and method for waveform observation
A waveform observation system includes two communication nodes, a waveform observation apparatus, and a signal generation portion. The two communication nodes execute a full-duplex communication by a differential signal through a transmission line. The waveform observation apparatus observes a communication signal waveform in the transmission line in response to an input of a trigger signal. The signal generation portion outputs the trigger signal. One of the two communication nodes generates a clock signal, and transmits a signal in synchronization with the clock signal. Remaining one of the two communication nodes reproduces the clock signal included in the signal received from the one of the two communication nodes, and transmits a signal in synchronization with the clock signal that is reproduced. The signal generation portion outputs the trigger signal when equal to or more than two symbols indicated by the signal output to the transmission line consecutively coincide with one another.
Media access control header and transport block formats
Various aspects described herein relate to encoding or decoding a media access control (MAC) layer transport block having an enhanced MAC header format, a split and partial MAC header, and a MAC transport block design. A method, a computer-readable medium, and an apparatus are provided. The techniques described herein may apply to different communications technologies, including 5th Generation (5G) or New Radio (NR), wireless communications technology.
Method and apparatus for transmitting and receiving uplink control channel in communication system
An operation method of a terminal in a communication system may comprise receiving a downlink data channel from a base station in a slot # n or a slot # (n−l); receiving a slot format indicator (SFI) indicating a format of a slot # (n+k) in which an uplink control information (UCI) is to be transmitted, from the base station in the slot # n; and transmitting the UCI including a hybrid automatic repeat request (HARQ) response for the downlink data channel to the base station in the slot # (n+k). Here, each of n and k may be an integer equal to or greater than 0, and l may be an integer equal to or greater than 1.
Bearer switching in reduced radio link quality conditions
A wireless transmit receive unit (WTRU) is configured in dual connectivity with a master cell group and a secondary cell group. Uplink (UL) data is sent in an active one of the master cell group and the secondary cell group as an active UL transmission cell group. It is determined whether a UL transmission is to be switched to an alternate one of the master cell group and the secondary cell group and the UL traffic is switched from the active UL transmission cell group to the alternate cell group in response to the determination that the UL transmission is to be switched.
HARQ sending and receiving methods and devices, and node
Disclosed are an HARQ sending and receiving method and device, and a node. The method comprises: detecting reception conditions of N transmission blocks; according to the reception conditions, generating a first HARQ status value with the length of M bits, wherein each value of all the first HARQ status values corresponds to one reception condition of the N transmission blocks when k falls within a pre-set value range on a one-to-one basis, where k is the number of correctly received transmission blocks among the received transmission blocks, M, N and k are integers, N≤M
Method by which base station and terminal transmit and receive data signal in wireless communication system, and device for supporting same
Disclosed are a method by which a base station and a terminal transmit and receive a data signal, and a device for supporting the same. More specifically, disclosed are: a method for efficiently transmitting and receiving a corresponding data signal between a base station and a terminal by using a coding scheme determined on the basis of various conditions for the transmitted data signal; and devices for supporting the same.
Dynamically partitioning media streams
Systems, methods, and software technology for partitioning media streams is disclosed herein. In an implementation, a network node receives a media stream for a multimedia session from an upstream node in a communication channel supporting the multimedia session, partitions the media stream into a plurality of sub-streams to vary a code rate of each sub-stream of the plurality of sub-streams relative to each other, and transmits the plurality of sub-streams to a plurality of downstream nodes over a plurality of channels supporting the multimedia session.
Soft FEC with parity check
The present invention is directed to data communication systems and techniques thereof. More specifically, embodiments of the present invention provide an FEC encoder that generates parity symbols that are embedded into FEC blocks. An FEC decoder determines whether to perform error correction based on the parity symbols. When performing error correction, the decoder selects a worst symbol from a segment of symbols, and the worst symbol is corrected. There are other embodiments as well.
Method and device for uplink transmission based on network communication
The present disclosure discloses a method and device in wireless communication. The UE transmits the first radio signal in a first time window. The first radio signal comprises at least first information of first information and first data. The first information is used to determine whether the UE detects the first signaling in a second time window. In the present disclosure, the UE indicates whether the first signaling is detected at a subsequent time by the first radio signal. The present disclosure can reduce the number of blind detections performed by the UE, reduce the complexity of the UE, save power consumption of the UE, and prolong the standby time of the UE.
Transmission device, reception device, transmission method, and reception method of header information on channel aggregation
A header encoding unit performs bit scramble and LDPC encoding on the PHY control data to generate L-Header and EDMG-Header data. A modulation unit encodes the L-Header and the E-Header output from the header encoding unit. In addition, the modulation unit duplicates the data of the L-Header and the E-Header in accordance with the bandwidth of the channel notified by an RF control unit and arranges the data on a plurality of channels. The modulation unit further modulates one piece of the payload data divided by a payload data dividing unit.
Method for managing a telecommunication network
A method for managing a telecommunication network comprising the steps of identification, by the central controller, of an updated condition of availability of resources of the network, and association of a plurality of updated sequences of instructions, comparison of the plurality of updated sequences of instructions with a plurality of not updated sequences of instructions associated with the last condition of availability. In case that the plurality of updated sequences of instructions is different from the plurality of not updated sequences of instructions, a step is provided of sending an updated sequence of instructions to each nodal device, on the basis of the service class of the data traffic of the device. A step is furthermore provided of checking, by the local controller, a condition of service of the data traffic at time ranges δ, said updated sequence of instructions associating to each condition of service an optimal working status to be attributed to the data traffic. A step is then provided of comparison of the condition of service with an optimal condition of service and, in case that the condition of service is different, a step is provided of starting, by the local controller, the updated sequence of instructions for changing a status of the data traffic. It is further provided a step of sending to the central controller data concerning the change of the working status.
An integrated apparatus with optical/electrical interfaces and protocol converter on a single silicon substrate. The apparatus includes an optical module comprising one or more modulators respectively coupled with one or more laser devices for producing a first optical signal to an optical interface and one or more photodetectors for detecting a second optical signal from the optical interface to generate a current signal. Additionally, the apparatus includes a transmit lane module coupled between the optical module and an electrical interface to receive a first electric signal from the electrical interface and provide a framing protocol for driving the one or more modulators. Furthermore, the apparatus includes a receive lane module coupled between the optical module and the electrical interface to process the current signal to send a second electric signal to the electrical interface.
Method and apparatus for detecting a fault in a communication system
Aspects of the subject disclosure may include, for example, a system for transmitting a source test signal directed to a second system of a distributed communication system for a retransmission of the source test signal by the second system and a plurality of other systems of the distributed communication system, receiving a plurality of returned test signals from the second system, wherein the plurality of returned test signals corresponds to a retransmission of the source test signal by at least one of the plurality of other systems, and determining from the plurality of returned test signals whether any one of the plurality of other systems is experiencing an operational fault based on an expected round trip delay for each of the plurality of returned test signals. Other embodiments are disclosed.
Mobile source media content access
Embodiments are provided for replacing media items in a queue of a playback device. An example implementation involves receiving, at the playback device, first data indicating an addition of a first media item to a queue. The playback device determines that the first media item is no longer accessible to the playback device at a later second time. The playback device initiates a query for a media item similar to the first media item and receives second data indicating that a second media item has replaced the first media item in the queue, the second media item being similar to the first media item. In response, the playback device initiates playback of the second media item on the playback device.
Single line passive optical network converter module
A single line converter module comprises a housing; an environmentally hardened fiber optic connector located in the housing and configured to be optically coupled to a service terminal for receiving downstream optical frames; a single electrical connector located in the housing and coupled over a metallic medium to a network terminal providing a service to respective customer premise equipment (CPE); and an optical-to-electrical (O/E) converter located in the housing and configured to convert the downstream optical frames to an electrical signal for transmission over the metallic medium to the network terminal.
Interference-resilient flexible techniques for payload resource allocation in broadband satellites
A method of controlling transmission of signals in a group of beams emitted by a satellite, wherein each beam has an associated area of coverage, includes adjusting an allocation of a channel resource by re-distributing portions of the channel resource among the beams in the group of beams in accordance with respective capacity demands for the areas of coverage of the beams in the group. The method further includes obtaining, for each of the areas of coverage, an indication of a signal quality from a terminal in the respective area of coverage for the adjusted allocation of the channel resource, and applying a co-channel interference mitigating technique to the group of beams in accordance with the obtained indications of the signal quality. The application further relates to an apparatus for performing such method.
Satellite for end to end beamforming
Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. The ground segment can include geographically distributed access nodes and a central processing system. Return uplink signals, transmitted from the user terminals, have multipath induced by a plurality of receive/transmit signal paths in the end to end relay and are relayed to the ground network. The ground network, using beamformers, recovers user data streams transmitted by the user terminals from return downlink signals. The ground network, using beamformers generates forward uplink signals from appropriately weighted combinations of user data streams that, after relay by the end-end-end relay, produce forward downlink signals that combine to form user beams.
Systems and methods for controlling supply voltages of stacked power amplifiers
Many embodiments of the invention include stacked power amplifier configurations that include control circuitry for sensing the operational characteristics of the power amplifiers and adjusting the current drawn by one or more of the power amplifiers to prevent any of the power amplifiers from experiencing over voltage stresses and/or to increase the operational efficiency of the power amplifiers.
Multichannel I/Q interface between a base station and a repeater
Certain features relate to a digital multichannel interface between a base station and a repeater in a telecommunications system, such as a distributed antenna system. The digital multichannel interface can provide streams of I/Q samples that carry information from multiple carriers of a wideband communications signal as well as semi-static control information for the telecommunications system. The digital multichannel interface can also transport frame timing information between the base station and the repeater. The frame timing information can maintain synchronization between the uplink transmit frames carrying uplink I/Q samples and the downlink transmit frames carrying downlink I/Q samples.
Terminal device, wireless communication device, and communication method
A terminal device including a control unit that makes a measurement report associated with antenna ports, for reception strength of a weighted reference signal which is allocated to each of the antenna ports of a base station in a connected state and which is to be beamformed from the base station, for each of one or more antenna ports.
Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
Systems and methods are described for coordinating transmissions in distributed wireless systems via user clustering. For example, a method according to one embodiment of the invention comprises: measuring link quality between a target user and a plurality of distributed-input distributed-output (DIDO) distributed antennas of base transceiver stations (BTSs); using the link quality measurements to define a user cluster; measuring channel state information (CSI) between each user and each DIDO antenna within a defined user cluster; and precoding data transmissions between each DIDO antenna and each user within the user cluster based on the measured CSI.
Method and system for improving the spectral efficiency of line-of-sight (LoS) multiple-input multiple-output (MIMO) communication systems
The disclosed systems, methods, and structures are directed to LoS MIMO communications that optimize spectral efficiency and include a precoding module to multiply an input transmit data vector with a precoding matrix to generate a precoded transmit data vector, a gain matrix calculation module to generate a gain matrix having optimal gain values that maximize the spectral efficiency, a transmit signal processing unit to convert the precoded transmit data vector into an analog signal, a receive signal processing unit to receive the analog signal and convert the analog signal into a receive data vector, an equalization module, a channel estimation module to estimate channel information to generate an estimated channel, and a singular value decomposition module to decompose the estimated channel matrix. The gain matrix calculation module calculates the optimal gain values of the gain matrix by maximizing an objective function encompassing the channel information provided by a fed-back diagonal matrix.
Device and method for performing authentication in wireless power transfer system
Provided are a device and method for performing authentication in a wireless power transfer system. Provided is an authentication method in a wireless power transfer system including receiving a first packet including indication information on whether a target device supports an authentication function from the target device; transmitting, when the target device supports an authentication function, an authentication request message to the target device; receiving an authentication response message including a certificate on wireless charging from the target device in response to the authentication request message; and confirming authentication of the target device based on the authentication response message.
Antenna configured to conform to a transparent surface, corresponding display device and electronic payment device
There is proposed an antenna configured to conform to a transparent surface. Such an antenna includes at least one electrically conductive strand extending along the surface, a cross-section of the at least one electrically conductive strand has a height, in a direction orthogonal to the surface, that is greater than a width in a direction parallel to the surface.
Surface wave launcher and methods for use therewith
In accordance with one or more embodiments, a surface wave launcher includes a launcher body configured to surround, at least in part, a transmission medium. A planar antenna includes a first antenna element, a second antenna element and an aperture, the first antenna element and the second antenna element having first portions on opposing sides of the launcher body and second portions on an aperture end of the launcher body, wherein the second portions are perpendicular to the launcher body and the transmission medium and wherein the planar antenna is configured to transmit and receive guided electromagnetic waves that propagate along the transmission medium without requiring an electrical return path. A reflector, configured to direct transmission and reception of the first guided electromagnetic wave to and from the aperture, is electrically coupled to the conductive launcher body on an end of the launcher body opposite to the aperture end of the conductive launcher body.
An electronic device that communicates with a second electronic device using adaptive frequency hopping across different spectral bands is described. An integrated circuit in the electronic device includes processing logic that determines an adaptive spectral map that specifies channels across multiple spectral bands. During communication with a second electronic device that includes a second integrated circuit using a communication protocol (such as Bluetooth or Bluetooth Low Energy), the integrated circuit selects channels in the adaptive spectral map, where selection can be based on a predefined frequency-hopping sequence.
RF front end reduction of receiver de-sensitivity
Systems and methods for reducing receiver de-sensitivity caused by coupling between a primary antenna and a diversity antenna. More particularly, the systems and methods reduce receiver de-sensitivity due to harmonic components associated with the signal transmitted by the primary antenna falling within a frequency band at which the diversity antenna is configured to sense signals. The systems and methods include amplifying a first signal to produce a transmission signal for transmission via the primary antenna; receiving, at the diversity antenna, a receive signal; amplifying, via a low noise amplifier, the receive signal to apply a gain to the receive signal; inverting the transmission signal; and adding the inverted transmission signal to the amplified receive signal to produce a corrected receive signal. Accordingly, the harmonic components introduced into the receive signal are canceled out via negative feedback at the radio frequency (RF) front end.
Analog input module
A module for a programmable controller includes a plurality of analog input channels, a control and evaluation device, and input terminals, where for each input channel, the module includes two analog to digital converters, at least four coupling elements and a switchover device, where for each input channel, where an input side of one analog to digital converter is directly or indirectly connected with the input terminals and an output side is connected with the evaluation circuit via a coupling element, where a control input of the switchover device is connected with the switching signal generator via a further coupling element, a signal output of the switchover device is connected with an input side of the other analog-to-digital converter, and where an output side of the other analog-to-digital converter is connected with the evaluation circuit via a further coupling element, where the coupling elements cause electrical isolation.
Terminal and communication method in a multi user-multiple input multiple output (MU-MIMO) scheme
A terminal includes: a radio receiver, which, in operation receives a plurality of data signals transmitted from a base station by a multi user-multiple input multiple output (MU-MIMO) scheme, the plurality of data signals being spatially multiplexed; an inter-user interference power estimator, which, in operation estimates inter-user interference power based on a transmission weight of another terminal with which the MU-MIMO scheme is performed; and a signal separator, which, in operation generates a reception weight based on the inter-user interference power and separates the plurality of data signals from each other based on the reception weight.
Method and device in user equipment and base station for wireless communication
A method and device in user equipment and a base station for wireless communication is disclosed. The base station equipment sequentially generates a first information block including bits in a first sub-information-block and a second sub-information-block, performs first channel coding and transmits a first radio signal. The first bit block includes bits in the first information block, the first bit block is used as an input of the first channel coding, the value of the first sub-information-block is related to the number of padding bits, and the relative position of the first sub-information-block and the second sub-information-block in the first information block is related to the number of bits included in the first information block. The present disclosure utilizes the characteristics of serial decoding of a Polar code, and improves the decoding performance using padding bits as frozen bits through the internal indication of the code block.
Compressing tags in software and hardware semi-sorted caches
A data storage system performs partial compression and decompression of a set of memory items. The memory items each include a data block and a tag with a prefix making up at least part of the tag. The memory items are ordered based on the prefixes. A code word is created containing compressed information representing values of the prefixes for the set of memory items. The code word and block data for each of the memory items are stored in a memory. The code word is decompressed to recover the prefixes.
Time interleaved analog to digital converter with digital equalization and a reduced number of multipliers
A digital equalizer with reduced number of multipliers for correction of the frequency responses of an interleaved analog-to-digital-converter (ADC) is disclosed. An exemplary interleaved analog to digital converter with digital equalization includes at least one composite ADC including M time-interleaved sub-ADCs, and an equalization configuration deploying a Pre-FIR transformers unit, a FIRs assembly unit, and a Post-FIR transformers unit. The FIRs assembly unit includes a finite impulse response (FIR) filter network which is operative pursuant to a Fast Filtering Algorithm as an alternative to a conventional finite impulse response network, enabling a reduction of the number of multipliers compared to conventional FIR filter-based equalization networks for ADCs.
Microwave resonant cavity for laser cooling, microwave interrogation and atomic state detection in situ
A microwave resonant cavity for laser cooling, microwave interrogation, and atomic state detection, comprising a microwave resonant cavity body, two cutoff waveguide end covers, and four waveguides for laser beams and microwave coupling. The cavity feeds not only microwave but also laser beams into the center of the cavity. In a vacuum chamber with target atoms, the target atoms may be trapped and cooled in the center of the cavity. By sequential operation of the resonant microwave and lasers, the microwave resonant cavity of the present invention may manipulate and detect the atomic state population and interrogate the energy level of the cold atoms in situ. The invention may be applied to the fields of atomic frequency standard, interferometer and atomic gyro for developing the miniaturized cold atoms related precision measurement equipment.
Hybrid phase lock loop
Hybrid phase lock loop (PLL) devices are provided that combine advantages of the digital controlled loop and the analog controlled loop. For example, a hybrid PLL includes a digital controlled loop that receives a reference input signal and an output signal of the hybrid PLL, and generates a digital tuning word. The hybrid PLL further includes an analog controlled loop that receives the reference input signal and the output signal of the hybrid PLL, and generates an output voltage. The hybrid PLL also includes a hybrid oscillator. An oscillator controller of the digital controlled loop controls the hybrid oscillator using the digital tuning word and disables the analog controlled loop during a frequency tracking operational mode of the hybrid PLL. The oscillator controller enables the analog controlled loop to control the hybrid oscillator during the phase tracking operational mode of the hybrid PLL.
High-order phase tracking loop with segmented proportional and integral controls
Clock circuits, components, systems and signal processing methods enabling digital communication are described. A phase locked loop device derives an output signal locked to a first reference clock signal in a feedback loop. A common phase detector is employed to obtain phase differences between a copy of the output signal and a second reference clock signal. The phase differences are employed in an integral phase control loop within the feedback loop to lock the phase locked loop device to the center frequency of the second reference signal. The phase differences are also employed in a proportional phase control loop within the feedback loop to reduce the effect of imperfect component operation. Cascading the integral and proportional phase control within the feedback loop enables an amount of phase error to be filtered out from the output signal.
Apparatus and methods for distributed timing using digital time stamps from a time-to-digital converter
Apparatus and methods for clock synchronization and frequency translation are provided herein. Clock synchronization and frequency translation integrated circuits (ICs) generate one or more output clock signals having a controlled timing relationship with respect to one or more reference signals. The teachings herein provide a number of improvements to clock synchronization and frequency translation ICs, including, but not limited to, reduction of system clock error, reduced variation in clock propagation delay, lower latency monitoring of reference signals, precision timing distribution and recovery, extrapolation of timing events for enhanced phase-locked loop (PLL) update rate, fast PLL locking, improved reference signal phase shift detection, enhanced phase offset detection between reference signals, and/or alignment to phase information lost in decimation.
Multi-modulus frequency divider circuit
A multi-modulus frequency divider circuit includes first and second frequency division stages. The first frequency division stage receives a first input clock signal having a first oscillating frequency, a first modulus input signal, and a first division bit. The first frequency division stage divides the first oscillating frequency by a first division ratio, and generates a second input clock signal having a second oscillating frequency. The second frequency division stage receives the second input clock signal, a second modulus input signal, and a second division bit. The second frequency division stage generates an output clock signal having an output oscillating frequency by dividing the second oscillating frequency by a second division ratio.
Memory device including integrated deterministic pattern recognition circuitry
Various embodiments of the present disclosure provide for a memory device having inline processing circuitry. Disclosed memory devices can comprise logic circuits incorporating pattern recognition algorithms, in an embodiment. Comparative analysis functions on sets of data can be implemented with pulldown circuits connected to a common data line. In some embodiments, minimum values, maximum values and the like can be determined among the sets of data in a number of clock cycles comparable to a number of bits in the sets of data.
Stacked programmable integrated circuitry with smart memory
Circuitry is provided that includes programmable fabric with fine-grain routing wires and a separate programmable coarse-grain routing network that provides enhanced bandwidth, low latency, and deterministic routing behavior. The programmable fabric may be implemented on a top die that is stacked on the active interposer die. The programmable coarse-grain routing network and smart memory circuitry may be implemented on an active interposer die. the smart memory circuitry may be configured to perform higher level functions than simple read and write operations. The smart memory circuitry may carry out command based low cycle count operations using a state machine without requiring execution of a program code, complex microcontroller based multicycle operations, and other non-generic microcontroller based smart RAM functions.
An isolator circuit according to the present invention includes a first isolator, an AD converter, and a second isolator. The first isolator is configured to galvanically isolate a first terminal and a second terminal from each other. The first isolator receives an input pulse signal and outputs an output pulse signal to the second terminal. The AD converter is configured to output a digital signal corresponding to a duty ratio of the output pulse signal. The second isolator is configured to galvanically isolate the second terminal and the third terminal from each other. The second isolator is configured to receive the digital signal and outputs a feedback pulse signal to the third terminal.
Electric power conversion apparatus
An electric power conversion apparatus includes at least one semiconductor module, a capacitor, a pair of positive and negative busbars and an insulator. The positive busbar includes a positive busbar base protruding from the capacitor in a Y direction and at least one positive busbar terminal extending perpendicular to an X direction. The negative busbar includes a negative busbar base protruding from the capacitor in the Y direction and at least one negative busbar terminal extending perpendicular to the X direction. The positive and negative busbar bases are arranged to have their major surfaces facing each other in a Z direction. The positive and negative busbar terminals at least partially overlap each other in the X direction with the insulator interposed therebetween. The at least one semiconductor module has a pair of positive and negative power terminals connected respectively to the positive and negative busbar terminals.
Method for identifying a correct operation of an electrical switching unit, computer program product for executing such a method, and full bridge circuit with a control device for executing such a method
A method for identifying correct operation of an electrical switching unit, having a full bridge circuit and inductive load operated by the full bridge circuit. The full bridge circuit includes a first semiconductor switching element supplying the inductive load with a first supply voltage potential and a second semiconductor switching element supplying the inductive load with a second supply voltage potential, having a smaller value than the first supply voltage potential. The first and second semiconductor switching element each have a diode. The method determines that the first semiconductor switching element changes from an activated state into a deactivated state, measures a voltage applied to the second semiconductor switching element, compares the measured voltage with a first threshold and detecting that, if the measured voltage on the second semiconductor switching element falls below the second supply voltage potential by the predefined first threshold, the electrical switching unit is operating correctly.
Stacked field-effect transistor switch
A stacked field-effect transistor (FET) switch is disclosed. The stacked FET switch has a first FET device stack that is operable in an on-state and in an off-state and is made up of a first plurality of FET devices coupled in series between a first port and a second port, wherein the first FET device stack has a conductance that decreases with increasing voltage between the first port and the second port. The stacked FET switch also includes a second FET device stack that is operable in the on-state and in the off-state and is made up of a second plurality of FET devices coupled in series between the first port and the second port, wherein the second FET device stack has a conductance that increases with increasing voltage between the first port and the second port.
Two lead electronic switch system adapted to replace a mechanical switch system
Systems and methods are disclosed for a two lead electronic switch adapted to replace a mechanical switch. In one embodiment, a device is provided that includes a sensor and an electronic circuit having a voltage limiting circuit. The electronic circuit is configured to deactivate/activate the voltage limiting circuit to operate the electronic circuit in a first/second state in response to determining that an output of the sensor is less/more than a threshold voltage. The circuit includes first and second terminals configured to receive a switch voltage used to provide power for the device. The device sets the switch voltage to a first voltage level operative to power the electronic circuit and the sensor while the electronic circuit is operating in the first state and to a second voltage level operative to power the electronic circuit and the sensor while the electronic circuit is operating in the second state.
Filtering circuit for pulse width modulated signal
A filtering circuit for filtering a pulse width modulated (PWM) signal includes a D flip-flop having an input terminal configured to be coupled to a logic high signal and having an output terminal coupled to an output terminal of the filtering circuit; and a circuit coupled between an input terminal of the filtering circuit and the D flip-flop, the circuit configured to, for a first pulse of the PWM signal having a duty cycle within a pre-determined range: generate a positive pulse at a clock terminal of the D flip-flop as a clock signal of the D flip-flop; and generate a negative pulse at a reset terminal of the D flip-flop as a reset signal of the D flip-flop, wherein a duration between a rising edge of the positive pulse and a falling edge of the negative pulse is equal to a duration of the first pulse of the PWM signal.
GaN based adjustable driver current circuit
A circuit for providing an adjustable output driver current for use in LiDAR or other similar GaN driver applications. The circuit creates an appropriate gate-to-source voltage, VGS, for a high-current GaN driver FET to obtain a desired, high slew-rate driver current, IDRV. An externally provided reference current is used to create the required VGS for the driver FET, which is stored on an external capacitor. The value of the capacitor far exceeds the relatively low input-capacitance of the GaN driver FET. When a pulse IDRV of desired value is needed, the voltage on the capacitor is impinged upon the gate of the driver FET, thereby creating the desired IDRV. The reference charging circuit replenishes any charge lost on the capacitor, so that the same desired IDRV can be obtained on the next command pulse.
SoC supply droop compensation
Droop monitors spread across a system-on-chip (SoC) monitor for voltage droops in regulated supply voltage supplied to logic circuitry of the SoC. In the event of a voltage droop, a clock signal supplied to the logic circuitry is stretched, to temporarily increase a period of the clock signal. The droop monitors may include a sensing delay line provided voltage at the regulated supply voltage, and a reference delay line supplied with a reference voltage, with operations of the delay lines monitored to determine a voltage droop.
IO circuit and access control signal generation circuit for IO circuit
The present disclosure provides an IO circuit and an access control signal generation circuit for the IO circuit. In one implementation, the access control signal generation circuit includes: a bias module coupled with an IO port, for generating an access control signal according to an IO port signal and an IO control signal, where a voltage value of the access control signal is a maximum value of a voltage value of an IO port voltage division signal and a voltage value of the IO control signal, and the voltage value of the IO port voltage division signal is a percentage of a voltage value of the IO port signal; an access control module coupled with the bias module, the access control module configured to control cut-off or conduction when receiving the access control signal and the IO port signal and outputting a first interface signal; and a higher-selection module configured to generate a second interface signal according to an IO power source signal and the IO port signal. In the present disclosure, the voltage of the first interface signal varies according to the voltage of an IO port, so as to resolve the problem of reliability, thereby improving the open-drain performance.
Semiconductor device and control methods thereof
A semiconductor device includes a first oscillator circuit, a clock monitoring circuit and a timing signal generation circuit for periodically switching the operating mode of the clock monitoring circuit to one of the first to third modes. The clock monitoring circuit includes: a clock counter configured for counting the number of oscillations of the clock signal in the first mode and configured for shifting the pulses of the input signal to the output signal at normal time in the third mode; a comparison circuit for comparing whether the count value per predetermined period by the clock counter is within an expected value in the second mode; and an edge detection circuit for detecting whether the pulses of the input signal are shifted to the output signal of the clock counter in the third mode.
Capacitive-coupled level shifter and related system
A capacitive-coupled level shifter includes: an input having a positive input terminal and a negative input terminal, the input configured to receive a modulated signal in a first voltage domain; a comparator circuit configured to shift the modulated signal to a second voltage domain higher than the first voltage domain; and a capacitive divider circuit comprising a first capacitive divider branch coupling the positive input terminal of the input to a positive input terminal of the comparator circuit and a second capacitive divider branch coupling the negative input terminal of the input to a negative input terminal of the comparator circuit. The first capacitive divider branch and the second capacitive divider branch are symmetric so as to cancel out a common mode voltage of the modulated signal. A level shifter system which includes the capacitive-coupled level shifter is also described.
Current trimming system, method, and apparatus
A trimming resource includes an adjustable driver resource, a differential voltage generator, and a trim current generator. The adjustable driver resource produces an output signal. The differential voltage generator receives the output signal from the adjustable driver resource and produces a differential drive signal. The trim current generator derives a trim signal from the differential drive signal received from the differential voltage generator. According to one configuration, the trim current generator outputs the trim signal to an electronic component, correcting an operational parameter of the electronic component.
Power managers for an integrated circuit
Systems and methods manage power in an integrated circuit using power islands. The integrated circuit includes a plurality of power islands wherein a power consumption of each power island within the plurality of power islands is independently controlled within said each power island. A power manager determines a target power level for one power island of the plurality of power islands. The power manager then determines an action to change a consumption power level of said one power island of the plurality of power islands to the target power level. The power manager performs the action to change the consumption power level of said one power island of the plurality of power islands to the target power level.
High-speed transmitter including a multiplexer using multi-phase clocks
Systems and methods for data multiplexing include or use a data serializer having a first set of four serializer outputs and a second set of four serializer outputs. The systems and methods also use or include a pair of 4 to 1 multiplexers each having four first multiplexer inputs and one first multiplexer outputs and a 2 to 1 multiplexer having two multiplexer inputs and one multiplexer output.
Circuit and method for automatically calibrating phase interpolator
A circuit and a method for automatically calibrating a phase interpolator are provided. Phase information of a reference clock signal and an output clock signal are processed by a phase detector to detect a phase difference of the two clock signals. A difference value between the phase difference and a standard phase difference corresponding to the digital control code is obtained, to generate compensation information. The compensation information is sent to the phase interpolator control unit for storage. When the phase interpolator operates normally, a phase interpolator control unit generates a control signal based on the compensation information, to regulate the phase value of the output clock signal of the phase interpolator.
Apparatus and method for performing horizontal filter operations
An apparatus and method for performing FIR filtering and blending operations. A processor comprising: a decode unit to decode a packed N-tap finite impulse response (FIR) filter instruction, the packed N-tap FIR filter instruction to indicate one or more source packed data operands comprising a plurality of packed data elements, at least 3 filter coefficients, and a destination storage location, the plurality of packed data elements comprising data from a signal to be filtered and the plurality of filter coefficients specifying a filter function to be applied; and an execution unit comprising an FIR unit coupled with the decode unit, the FIR unit, in response to the packed N-tap FIR filter instruction being decoded by the decode unit, to perform at least N−1 multiplications to generate at least N−1 products, each of the multiplications comprising one of the filter coefficients multiplied by one of the packed data elements, the execution unit to combine the at least N−1 products in accordance with a specified type of FIR filter being implemented to generate a result packed data element to be stored in the destination storage location.
Wideband filter including an acoustic resonator chip integrated with 3D inductors and a 3D transformer
A wideband filter includes a passive substrate and an acoustic resonator chip on the passive substrate. The wideband filter further includes a pair of 3D inductors and a 3D transformer on the passive substrate. The pair of 3D inductors and the 3D transformer are connected to the acoustic resonator chip.
Elastic wave device, high-frequency front end circuit, and communication device
An elastic wave device includes an IDT electrode provided on a piezoelectric substrate and including a first end region including one end of the IDT electrode in an elastic wave propagation direction, a second end region including the other end of the IDT electrode in the elastic wave propagation direction, and an inner region that is located farther toward an inside than the first and second end regions in the elastic wave propagation direction, includes first and second high-acoustic-velocity regions, and a center region and first and second low-acoustic-velocity regions, located in the crossing region. The mass of the IDT electrode in the crossing region in the first and second end regions is smaller than the mass of the IDT electrode in the crossing region in the inner region.
Adaptive matching network
An apparatus for acquiring a desired response to an electromagnetic signal includes an adaptive network that receives a feedback signal and dynamically adjusts an electrical characteristic of the adaptive network in response to the feedback signal, the adaptive network electrically cooperating with an electrical component. A measurement device measures a parameter indicative of a combined response by the electrical component and the adaptive network to an impinging electromagnetic signal. A processor identifies, in accordance with the measured parameter, the feedback signal that reduces the difference between a predetermined response and the combined response to the electromagnetic signal. A feedback generator generates the identified feedback signal and conveys the generated feedback signal to the adaptive network.
Noise filter circuit
A positive electrode side input loop line (10a) and a positive electrode side output loop line (10b), and a negative electrode side input loop line (11a) and a negative electrode side output loop line (11b) form two sets of coupling loops, and the loop lines of the two sets have the same winding direction, and have the same loop sizes of and relative relationship between the loop lines. A capacitor (3) is connected in series between the positive electrode side input loop line (10a) and the negative electrode side input loop line (11a).
Inductive component for a bus bar
The invention specifies an inductive component for a busbar. The inductive component has two air gaps which are arranged on opposite sides of the component, wherein the air gaps are at a distance from one another in a vertical direction of the component.
Class D amplifier current feedback
The technology described in this document can be embodied in an audio power amplifier that includes a pair of switching devices, drive circuitry for driving the pair of switching devices to produce a signal, and an output filter to filter the signal from the pair of switching devices. The output filter is configured to provide the filtered signal to an audio load. The audio power amplifier includes a voltage feedback loop to provide a voltage of the filtered signal to a voltage controller of the audio power amplifier, and a current feedback loop to provide a current of the filtered signal to a current controller of the audio power amplifier.
Load box and sound quality improving method
To improve voice sound quality using a vacuum tube amplifier. A reactive load that has impedance characteristics, in which impedance characteristics in a first frequency band includes a first impedance characteristic pattern selected from a plurality of first impedance characteristic pattern candidates on the basis of a type of a vacuum tube amplifier, and impedance characteristics in a second frequency band includes a second impedance characteristic pattern selected from a plurality of second impedance characteristic patterns on the basis of the type of the vacuum tube amplifier, outputs a signal that responds to a sound signal output from the vacuum tube amplifier in accordance with the impedance characteristics and performs correction on an output signal of the reactive load.
Amplification systems and methods with distortion reductions
System and method for integrating an input signal to generate an output signal. The system includes a first integrator configured to receive the input signal and generate an integrated signal based on at least information associated with the input signal, a second integrator configured to receive the integrated signal and generate the output signal based on at least information associated with the integrated signal, and a compensation capacitor coupled to the first integrator and the second integrator. The first integrator includes a first integration capacitor and a first operational amplifier including a first input terminal and a first output terminal, the first integration capacitor being coupled between the first input terminal and the first output terminal. The second integrator includes a second integration capacitor and a second operational amplifier including a second input terminal and a second output terminal.
An amplifier arrangement (200) for amplifying input signals and a method for operating the amplifier arrangement are disclosed. The amplifier arrangement (200) comprises a main amplifier circuit (210) having an input and an output; a first (221) and second (222) auxiliary amplifier circuits each having an input and an output, wherein each of the first (221) and second (222) auxiliary amplifier circuits being selectively operable to operate in combination with the main amplifier circuit (210). The amplifier arrangement (200) further comprises a single hybrid coupler circuit (230) having a first port (221) being coupled to the output of the main amplifier circuit (210), a second port (232) being coupled to the output of the first auxiliary amplifier circuit (221), a third port (233) being coupled to the output of the second auxiliary amplifier circuit (222) and a fourth port (234) being coupled to the load (240) of the amplifier (200).
Switching circuit, corresponding device and method
A switching circuit includes a switching circuit stage configured to supply a load via filter networks. Control circuitry is provided to control alternate switching sequences of transistors in the half-bridges of the switching circuit stage. A current flow line is provided between the output nodes of the half-bridges including an inductance between two switches. First and second capacitances are coupled with the output nodes of the half-bridges. The control circuitry switches first and second switches to the conductive state at intervals in the alternate switching sequences of the transistors in the half-bridges between switching the first pair of transistors to a non-conductive state and switching the second pair of transistors to a conductive state.
Photovoltaic system for generating electricity with an auxiliary charging module
A photovoltaic system or installation, for generating electricity, which includes auxiliary charging modules for each solar tracker of the photovoltaic system to charge or supply energy to an auxiliary power supply device such as a battery, in order to power the photovoltaic system during the initial stages of the set-up process of the electric energy generation plant or during incidences in the normal operation of the photovoltaic system or installation.In addition to the auxiliary charging modules, the photovoltaic system comprises: one or more solar trackers, wherein each solar tracker comprises a plurality of photovoltaic panels, a DC/AC inverter to transform the DC electricity generated into AC electricity which is then supplied to an electric grid or an electric power distribution system, and a solar tracker controller, for each solar tracker, which controls several aspects of the one or more solar trackers of the photovoltaic system.
A solar tracker comprises a support frame, a panel assembly comprising one or more solar panels, and an actuator to rotate the panel assembly to track the movement of the sun. The panel assembly comprises a central spine and one or more panel carriers extending transversely over the top of the central spine for supporting solar panels. The panel carriers are secured to the central spine by respective support brackets. The support brackets comprise a top surface, side walls extending downwardly from opposing sides of the top surface, and a slot with a downwardly facing opening extending transversely through the sidewalls. The slot is configured to receive the central spine.
Power conversion device with high power conversion efficiency
A power conversion device includes an input detector for detecting input parameters of the DC input to the inverter; an output detector for detecting output parameters of the DC output from the power converter device; a duty calculator for calculating a duty for the switching elements of the inverter; a frequency search range calculator for determining an upper limit and a lower limit of a frequency search range for determining the drive frequency after the operating condition is changed, using at least one parameter of the input parameters, the output parameters, and a duty parameter; and a frequency search processor for determining the drive frequency by searching the frequency search range.
Power supply voltage stabilizing method, semiconductor device, and power supply system
An object of the present invention is to provide a power supply voltage stabilizing method that can suppress the performance of switching power supply from being deteriorated even when a battery voltage varies and/or load conditions change. In a power supply voltage stabilizing method of a switching power supply including an output power MOS to which a battery voltage is supplied and a PWM feedback control unit that controls the output power MOS, the PWM feedback control unit includes a voltage feedback controller that controls on the basis of a power supply voltage output from the switching power supply and a current feedback controller that controls on the basis of a current output from the switching power supply. A variation in the battery voltage and/or a change in the load condition of the switching power supply are/is detected, and the bandwidth of the PWM feedback control unit is dynamically changed in accordance with the result of the detection.
Power converter with capacitive energy transfer and fast dynamic response
A converter circuit and related technique for providing high power density power conversion includes a reconfigurable switched capacitor transformation stage coupled to a magnetic converter (or regulation) stage. The circuits and techniques achieve high performance over a wide input voltage range or a wide output voltage range. The converter can be used, for example, to power logic devices in portable battery operated devices.
Voltage converter with buck converter and low dropout regulator
A voltage converter includes a low dropout regulator voltage converter circuit. The voltage converter generates three voltages (e.g., 1.2 volts, 2.5 volts, and 1.8 volts) for an electronic system, which can be a smartphone or electronic tablet or other device. An implementation has at least one charge pump voltage converter circuit. The low dropout regulator voltage converter circuit provides an output voltage based on its input voltages and can operate with a very small input-to-output differential voltage. Compared to using a Buck converter, a low dropout regulator does not have an external inductor, which saves space. An implementation of the voltage converter can also include at least one charge pump voltage converter circuit to generate a voltage of the voltage converter.
DC to DC converter with sequentially switched LC snubber and regenerative circuit
A switched mode power supply (SMPS) having a DC bus supplied by an power input, a first transformer with a first primary connected to the DC bus, and a second transformer with a second primary connected in series with the first primary, a first switching device connected in parallel with the second primary, a second switching device connected in series between the first switching device and a circuit ground. The SMPS also includes a snubber and hold up circuit having a diode and a holdup capacitor connected in parallel with the second switching device. The SMPS also includes a first control circuit connected to the first switching device and a second control circuit connected to the second switching device, wherein the output of the first control circuit is based at least in part on the output of the second control circuit.
Trapezoidal power-supply barrier between hazardous and normal locations
Apparatus and associated methods relate to providing safe electrical power to electrical equipment operating in a hazardous location. Safe electrical power is power that is both current limited and voltage limited so as to provide insufficient energy to ignite flammable gas or dust of a hazardous location. Safe electrical power is provided by first limiting voltage of operating power provided by a power source. Then the voltage-limited operating power is current limited by a current-limiting device. The current and voltage limited operating power is then converted to a step-down power via a current-limiting network. The step-down power is then voltage limited by a second voltage-limiting device. In some embodiments, the current-limiting network is a current mode step-down regulator.
Switching power supply
A switching power supply includes: a transformer; a switching device, which is connected to a primary coil of the transformer; a switching controller; a voltage generation circuit, which rectifies and smooths an AC voltage induced in an auxiliary coil provided on the primary side of the transformer, and output the rectified and smoothed AC voltage as a first DC voltage; and an overvoltage protection circuit, wherein the auxiliary coil and the switching controller are connected via a capacitor, and the switching controller stops the switching control depending on a change in at least one of a current and a voltage between electrodes of the capacitor, the change being caused by a voltage rise of the AC voltage induced in the auxiliary coil.
Process for assembly of motor-generators
A process for assembling a brushless motor-generator includes assembling a rotor formed from two spaced apart rotor portions having magnetic poles that drive magnetic flux circumferentially through the rotor portions and back and forth across an armature airgap formed between the rotor portions. An air core armature is formed by coating a substantially nonmagnetic armature form with a tacky adhesive layer, and winding armature windings into a winding pattern onto the substantially nonmagnetic form using wire made of multiple individually insulated conductor strands that are electrically connected in parallel but are electrically insulated from each other along their length when located inside the armature airgap, wherein the strands of said wire are diametrically held together by an outer serve. The winding of the armature form includes sequentially applying pressure to sections of said wire against the tacky adhesive layer.
Methods for forming woven undulated coil assemblies
Methods and apparatuses for forming a woven coil assembly (100), the coil assembly having adjacent superimposed linear portions (L1-L6, AL7-AL12) extending parallel to each other in a first area (A1) of the coil assembly, and adjacent superimposed linear portions (L7-L12, AL13-AL18) extending parallel to each other in a second area (A2) of the coil assembly, wherein a plurality of head portions (T) connect the linear portions of the first area (A1) to the linear portions of the second area (A2).
Stator, method of manufacturing stator, and apparatus for manufacturing stator core member
A stator core constituting a stator at least includes first core members and a second core member. Each first core member includes a first annular portion in which slots are formed and first tab portions. On the other hand, the second core member includes a second annular portion in which the slots are formed and that is superposed on the first annular portions, and has a shape obtained by removing the first tab portions from the first core member. Electrical conductors are partially fitted in the overlapping slots.
Provided is a motor device that prevents an increase in size in the radial direction of a motor while providing redundancy in controlling driving of the motor. A motor device includes: a motor including a motor shaft; a first control board on which a first power circuit and a first control circuit are mounted in combination, and a second control board on which a second power circuit and a second control circuit are mounted in combination, as control boards constructing a circuit that controls driving of the motor; and a housing that accommodates the motor and the control boards together. Each of the control boards is disposed to cross a radial direction that is orthogonal to an axial direction of the motor.
Motor driving device and air conditioner
A motor driving device that converts alternating-current power to direct-current power and drives a motor, the motor driving device including a printed circuit board having a first plate surface and a second plate surface, having an inverter module and an inverter module provided on the first plate surface, having a first power pattern provided on the second plate surface and connected to the inverter module, having a second power pattern provided on the second plate surface and connected to the inverter module, and having a jumper portion to connect the first power pattern and the second power pattern. A cross-sectional area of the jumper portion is larger than a cross-sectional area of the first power pattern or the second power pattern.
Position-measuring device and method for operating a position-measuring device
A position-measuring device includes a graduation carrier which carries a measuring graduation and is non-rotatably connectable to a shaft. A scanner is configured to generate scanning signals by scanning the measuring graduation. Evaluation electronics are configured to process the scanning signals into a digital angle value of the shaft. An interface is configured to communicate with subsequent electronics. The scanner is mountable on a machine part that is supported so as to be movable in an axial direction of the shaft, so that the scanning signals are dependent on a position of the machine part in the axial direction of the shaft, and so that a measure of the position of the machine part in the axial direction of the shaft is determinable from the scanning signals by the evaluation electronics.
A motor includes a stator, a rotor, and a first bearing. A housing of the stator has a top wall, a bottom wall opposite, a side wall and a first opening in the top wall. A rotating shaft of the rotor has a first magnetic unit having a first outer surface. The first outer surface includes first and second magnetic pole surfaces alternately arranged. The first and second magnetic pole surfaces have different magnetic poles. The first bearing having a first groove is disposed in the first opening. The first magnetic unit is located in the first groove having a first inner surface facing the first outer surface. The first inner surface includes third and fourth magnetic pole surfaces alternately arranged. The third and fourth magnetic pole surfaces have different magnetic pole. The first and third as well as second and fourth magnetic pole surfaces have the same magnetic poles.
Rotor cap for electric generators
A rotor cap for an electric generator, e.g., a high-speed turbogenerator, is disclosed, along with a production method for such rotor cap. The rotor cap is at least partially made of fiber-reinforced plastic material. The rotor cap may have cooling fluid passages, e.g., extending in an axial direction, in the area of the fiber-reinforced plastic material.
Bus bar unit
A bus bar unit is provided with a plurality of bus bars and an insulating holder. The insulating holder holds the bus bars in a parallel arrangement and insulates between the bus bars. The insulating holder includes a molded portion, a wall portion and a groove portion. The molded portion covers an entire periphery of at least one bus bar from among the plurality of the bus bars. The wall portion is provided at a position spaced apart from a side surface of the molded portion to insulate the bus bars. The groove portion holds a remaining bus bar between the molded portion and the wall portion.
Electrical conductor for an electrical machine with an elevated power-to-weight ratio
The invention relates to an electrical conductor which is made up substantially of one or even several metal conductors which are sheathed by a graphene layer. Particularly in the case of the electrical conductor transporting an alternating current, the current in the conductor is forced radially outwards and therefore flows in the graphene layer. Since graphene has a substantially better conductivity than the materials customary in this application, such as copper for example, relatively low losses are accordingly produced and substantially higher degrees of efficiency can be achieved. The electrical conductor constructed in this way is used in a stator and/or rotor winding of an electrical machine, so that it has a significantly elevated power-to-weight ratio.
Rotary electric apparatus
A rotary electric apparatus having a fractional slot configuration in which a number of slots per every pole and per every phase is not an integer includes: a stator which includes a stator core formed with a plurality of slots, and a stator winding having a plurality of coil sides accommodated in the plurality of slots and a plurality of coil ends connecting each of same side end portions of the plurality of coil sides; and a mover which is movably supported with respect to the stator, and includes a mover core and a plurality of mover magnetic poles installed in the mover core.
Electronic device and method for communicating with external electronic device
An electronic device according to various embodiments may include: a wireless communication circuit configured to support short-range communication; a wireless charging circuit configured to support wireless charging; at least one processor electrically connected to the wireless communication circuit and the wireless charging circuit; and a memory electronically connected to the at least one processor. The memory is configured to store instructions that when executed by the at least one processor cause the electronic device to perform operations comprising: identifying an area in which the electronic device is located, based on at least one of a second signal for communicating with an external electronic device via the wireless communication circuit when the external electronic device is located in a second area, a first signal for communicating with the external electronic device via the wireless charging circuit when the external electronic device is located in a first area within the second area, and a combination of at least a part of the first signal and the second signal; identifying an operation mode corresponding to the area; and controlling operation of the electronic device, based on the identified operation mode.
Wireless power transmitter and method for operating the same based on external voltage and current
A wireless power transmitter is provided. The wireless power transmitter includes a power source configured to provide direct current (DC) power, an inverter configured to receive the DC power from the power source, invert the DC power into alternating current (AC) power, and output the AC power, a coil configured to generate a magnetic field based on an input of the AC power, a sensor configured to measure a voltage of the AC power output from the inverter and a current of the AC power output from the inverter, and at least one processor configured to identify an external voltage applied to a load of an electronic device based on the voltage of the AC power and the current of the AC power, wherein the electronic device is configured to be wirelessly charged using the magnetic field.
Distributed network control of a microgrid
A microgrid control system including a plurality of distributed generators, loads and/or energy storages. The system includes a microgrid controller arrangement, and a network controller arrangement. The network controller is distributed and configured to perform measurements on the microgrid, send information to at least one other of the plurality of network controllers, and send information to the microgrid controller arrangement based on the performed measurements. The information sent to the microgrid controller arrangement relates to assets which are included in a segment of the microgrid with which the controller is associated. The microgrid controller arrangement is configured to control the plurality of assets by instructing respective converter controller of each of the plurality of assets.
Electric power supply device, method for supplying electric power, and power storage device
An electric power supply device including: a first interposed between an electric power system and a predetermined load; a power storage system having a secondary battery, a first charging and discharging unit interposed between the secondary battery and the electric power system, and a second charging and discharging unit interposed between the secondary battery and the predetermined load; and a controller configured to control the first switch, the first charging and discharging unit, and the second charging and discharging unit, in which when system abnormality occurs, the controller causes the switch to open to disconnect between the electric power system and the predetermined load, causes the first charging and discharging unit to perform reverse power flow for a prescribed time, and causes the second charging and discharging unit to supply electric power to the predetermined load.
Systems and methods for situation-dependent supercapacitor voltage control
A system and method are provided for operating, in a process control system, a circuit coupled to an input power supply and a supercapacitor susceptible to damage at high temperatures. A controller causes the circuit to supply electric charge from the input power supply to the supercapacitor. The controller also causes the circuit to supply electric power from the supercapacitor to a field device, such as an actuator. The controller selects a voltage to which the supercapacitor is to be charged based at least in part on a detected temperature associated with the supercapacitor, and causes the circuit to supply electric charge from the input power supply to the supercapacitor based on the selected voltage.
Method for server apparatus to detect abnormality in electrical-power storage device
A server apparatus obtains, via an information terminal wirelessly connected to an electrical-power storage device, a value indicating a state of the electrical-power storage device at an end of use of electric equipment having the electrical-power storage device. The server apparatus further obtains, via the information terminal wirelessly connected with the electrical-power storage device, a value indicating the state of the electrical-power storage device at a start of the use of the electric equipment. The server apparatus then detects an abnormality in the electrical-power storage device by using the value indicating the state of the electrical-power storage device at the end of the use and the value indicating the state of the electrical-power storage device at the start of the use.
Workstation power system
A power system for the electronic devices on a mobile workstation. The power system preferably includes: an enclosure having a mount for a removable battery; circuitry housed in the enclosure for providing electrical power at two or more output voltages for electronic devices on the workstation and for deactivating output power when the battery charge falls below a predetermined level. The power system may also include charging circuitry for recharging the removable battery in-place.
Battery, terminal, and charging system
An example battery, a terminal, or a charging system can include a battery charging port, a battery discharging port, a battery negative port, an overcurrent protection element, a protection integrated circuit, a control switch, and an electrochemical cell. The battery charging port is connected to a positive electrode of the electrochemical cell, the control switch is connected in series between a negative electrode of the electrochemical cell and the battery negative port, the protection integrated circuit is connected in parallel to two ends of the electrochemical cell, and the protection integrated circuit is further connected to the control switch, so as to send a control signal to the control switch. In addition, the overcurrent protection element is connected in series between the battery discharging port and the positive electrode of the electrochemical cell.
Power management system
A power management system for supplying generated power from a solar cell, which is the power generator, to a power grid and a storage battery, which is the power storage device, includes a controller that controls charging power supplied to the storage battery and output power from the solar cell in order for the generated power not to flow backward to the power grid; a voltage monitoring unit that monitors the voltage of the power grid; and a current monitoring unit that monitors the current from the power grid. The controller controls the charging power sent to the storage battery in accordance with power purchased from the power grid on the basis of the voltage and the current; and the storage battery and the solar cell are controlled in accordance with different thresholds of purchased power.
Control method for a system comprising a frequency converter connected to a power grid
A method which is suitable for a system having a frequency converter and a generator, both of which are connected to a power grid, includes obtaining sub-synchronous components of the grid voltage and determining damping current set points according to the sub-synchronous components to compensate for sub-synchronous resonances of the grid. Damping current set points are determined by receiving the sub-synchronous components of the grid voltage and returning damping current set points as outputs. A variable damping gain is adjusted according to the sub-synchronous frequency of the grid, such that the required compensation level can be adapted to the frequency converter for damping sub-synchronous resonance of the grid.
Power sharing in an appliance
A method and apparatus for power allocation across multiple loads. The method comprising the steps of: allocating available power between two or more power load elements, wherein a ratio of power allocated to a load element is based on a priority and measured parameters; and dynamically updating the power allocated to a load element as power requirements change.
Dynamic and integrated control of total power system using distributed impedance injection modules and actuator devices within and at the edge of the power grid
A system architecture and method for enabling hierarchical intelligent control with appropriate-speed communication and coordination of control using intelligent distributed impedance/voltage injection modules, local intelligence centers, other actuator devices and miscellaneous FACTS coupled actuator devices is disclosed. Information transfer to a supervisory utility control is enabled for responding to integral power system disturbances, system modelling and optimization. By extending the control and communication capability to the edge of the HV power grid, control of the distribution network through FACTS based Demand response units is also enabled. Hence an integrated and hierarchical total power system control is established with distributed impedance/voltage injection modules, local intelligence centers, connected other actuator devices, miscellaneous FACTS coupled devices and utility supervisory all networked at appropriate speeds allowing optimization of the total power system from generation to distribution.
Modeling system for energy systems
A system for modeling networks of electricity supply and demand including a first user interface; a second user interface; a database, a memory; and a controller adapted to: receive, via the first user interface, a first request to create a first plan for a first node of a collection of the one or more collections, the first request specifying a domain of the collection, receive plan instructions for the first plan, receive a second user request to create a second plan for a second node of the collection, the second user request specifying the domain of the collection, receive a plan instruction to interconnect the first node with the second node in the first plan, generate a forecast including a projected value for an energy infrastructure variable using the assumptions provided in the first plan and the second plan, and display the forecast on the first user interface.
ESD power clamp with negative gate voltage
Techniques for electrostatic discharge (ESD) protection that apply a negative voltage to an MOS power clamp during an ESD event. The power clamp may be initially turned on by a short positive pulse to the gate to trigger the power clamp to switch into a parasitic bipolar mode, to quickly shunt the electrical energy from the ESD event around other circuitry. However, repeatedly triggering an NMOS power clamp into bipolar mode may cause the power clamp performance to degrade. For example, the NMOS power clamp may develop an increase in leakage current. The techniques of this disclosure apply a negative voltage to the gate of the power clamp which may reduce the holding and triggering voltage during the ESD event as well as improve leakage degradation of the power clamp after repeated ESD events.
Overcurrent protection apparatus
An overcurrent protection apparatus that protects, from overcurrent, a load circuit including an electric load and wiring electrically connected with each other is provided. The overcurrent protection apparatus includes: a semiconductor switching element that is configured to control energization to the load circuit; and a breaker that stops the semiconductor switching element upon detection of abnormality of overheat or overcurrent at the semiconductor switching element, the breaker having a latch operation mode of continuously stopping the semiconductor switching element even upon cancellation of abnormality detection, and a retry operation mode of canceling stoppage of the semiconductor switching element upon the cancellation of the abnormality detection. The breaker is configured to initially operate in the latch operation mode upon the abnormality detection, and then be switched to the retry operation mode after satisfaction of a predetermined condition.
Busbar comprising a metal-sheet stack and method for producing a busbar
A busbar for power electronics is disclosed for connecting a first electrical element to a second electrical element. The busbar includes at least one positive lamination as a first current-carrying element and at least one negative lamination as a second current-carrying element. The at least one positive lamination is arranged on the at least one negative lamination in such a way to form a laminated stack.
Electrical junction box
Provided is an electrical junction box in which it is possible to prevent a switching element from catching fire. An electrical junction box according to one aspect of the present disclosure is an electrical junction box including: a circuit substrate on which a switching element is mounted on one side of the circuit substrate; and a housing member that houses the circuit substrate. The housing member further houses a thermally expandable expansion material member. When the temperature of the switching element is low, the expansion material member is spaced apart from the circuit substrate and the switching element, and is disposed at a position opposing the one side. When the temperature of the switching element is high, the switching element is embedded in the thermally expanded expansion material member.
Knee saver harness wired junction box
THE KNEE SAVER HARNESS WIRED JUNCTION BOX comprises a wiring harness and an enclosure. It provides a work surface to measure, cut, and remove some sheathing from electrical cables, in preparation to install those cables to electrical receptacles and/or switches. The prepared wires are then connected to a HUB and termination devices, forming a wiring harness, outside of an enclosure. This wiring harness is now inserted into an installed electrical PVC or metal box, while the installer is standing up, and on the first day of the installation process. The core termination device and enclosure, can handle more than one power source, with different amperages, at the same time.
Method of evaluating initial parameters and target values for feedback control loop of wavelength tunable system
A method of determining initial parameters and target values for tuning an emission wavelength of a wavelength tunable laser capable of emitting laser light in a substantial wavelength range is disclosed. The method iterates an evaluation of initial parameters and target values at target wavelengths in a preset order. The evaluation includes steps of supplying empirically obtained parameters to the t-LD, confirming whether the t-LD generates an optical beams, determining the initial parameters and the target values by carrying out feedback loops of the AFC and the APC when the t-LD generates the optical beam, or shifting the wavelength range so as to exclude the current target wavelength when the t-LD generates no optical beam.
Compact optical fiber amplifier
A fiber-based optical amplifier is assembled in a compact configuration by utilizing a flexible substrate to support the amplifying fiber as flat coils that are “spun” onto the substrate. The supporting structure for the amplifying fiber is configured to define the minimal acceptable bend radius for the fiber, as well as the maximum diameter that fits within the overall dimensions of the amplifier package. A pressure-sensitive adhesive coating is applied to the flexible substrate to hold the fiber in place. By using a flexible material with an acceptable insulative quality (such as a polyimide), further compactness in the final assembly is achieved by locating the electronics in a space underneath the fiber enclosure.
Thermal rotary link
An example apparatus may include a first plate having a first side. A first plurality of fins may be integral with the first side of the first plate and protruding perpendicularly therefrom. The first plurality of fins may be arranged in first concentric circles separated radially by a first distance. The apparatus may also include a second plate having a first side. The second plate may be rotatably coupled to the first plate. A second plurality of fins may be integral with the first side of the second plate and protruding perpendicularly therefrom. The second plurality of fins may be arranged in second concentric circles separated radially by the first distance. Each fin of the second plurality of fins may interpose between adjacent fins of the first plurality of fins to transfer heat between the second plate and the first plate.
It is aimed to enable conductive paths in a narrow and bent space. A connector (A) includes a terminal fitting (37F, 37S, 37T) having a terminal base portion (38) and three tabs (39F, 39D, 39R) extending from the terminal base portion (38) in mutually different directions, and a housing (10) having a body portion (11) for accommodating the terminal base portion (38) and three receptacles (12F, 12D, 12R) for individually surrounding the three tabs (39F, 39D, 39R). If end parts of three conductive paths (61F, 61D, 61R) are connected to the three tabs (39F, 39D, 39R), a main line (52M) is constituted by two tabs (39F, 39R) and two conductive paths (61F, 61R) and a branch line (52S) is constituted by one tab (39D) and one conductive path (61D).
Plug retention system
Retention components are provided that are configured to retain a first end of an electrical cord in a plugged configuration with an electrical outlet. The retention components have an interior sized to receive the first end therein and include an wire opening having at least one dimension that is smaller than the corresponding dimension of the first end so that the first end cannot pass therethrough. In one form, a wall plate is provided having retention portion configured to retain a first end of an electrical cord, such that with the wall plate secured to a wall or other substrate, the first end of the electrical cord is retained between the wall and the wall plate.
Electrical connector holding apparatus and method for locking and protecting electrical connectors
An apparatus for locking electrical connectors together and for protecting such electrical connectors. A method of locking electrical connectors together.
Water resistant electrical devices
An electrical outlet device includes water-resistant components to prevent the ingress of water to electrical components. One example includes a faceplate having a front surface, an outer edge extending around the front surface, and a first outlet opening extending through the front surface. A water-resistant seal is connected to the front surface of the faceplate. The seal has a first slit aligned with the first opening, a first flap adjacent the slit, and a second flap adjacent the slit. The first flap and the second flap are resiliently biased to a closed position and are moveable upon insertion of a plug.
Electrical connecting cable
An electrical connecting cable includes a plug housing, an electrical lead, a ring element, an elastic sealing element and a cap. The plug housing has a tubular lead-in region for guiding the electrical lead into the plug housing. The lead-in region is directed along a longitudinal axis of the electrical lead and has a constriction. The cap is fastened on the plug housing by retaining means. The cap has an opening for passing through the electrical lead. The ring element surrounds the electrical lead at least in part and the sealing element surrounds the electrical lead. The ring element and the sealing element are arranged between the constriction and the cap. A method of manufacturing the electrical connecting cable is also presented.
A waterproof assembly includes a casing, a gasket, and a cap. The casing has an opening. The gasket includes a main body and a protruding portion. The main body has a first circular raised structure configured to abut against an inner surface of the casing. The protruding portion is connected to the main body and is configured to at least partially protrude out of the casing through the opening. The cap is configured to abut against a side of the main body away from the opening. The cap has a through hole configured to be aligned with the protruding portion. The casing further has a plurality of fixing members configured to abut against a side of the cap away from the gasket.
Flexible liquid-cooling assembly for high-power pluggable connectors
A liquid-cooling assembly includes two or more cooling sub-assemblies and a flexible interconnect assembly. The two or more cooling sub-assemblies are configured for cooling two or more respective pluggable connector-cages, each cooling sub-assembly including (i) a heat-conducting plate for coupling to a respective pluggable connector-cage, and (ii) a liquid-conducting channel having an inlet and an outlet for flowing cooling liquid. The flexible interconnect assembly is configured to transfer the cooling liquid to and from inlets and outlets of the cooling sub-assemblies, and to mechanically support the cooling sub-assemblies while permitting motion of the cooling sub-assemblies relative to one another.
O-ring, O-ring lock structure, terminal block, and vehicular device
A vehicular device has a device main body, a device box housing the device main body, a terminal block attached to a wall of the device box, and a wire harness electrically connected to the device main body via the terminal block. The terminal block includes an O-ring. The O-ring has a ring-shaped O-ring main body and a lock target portion which is continuous with the O-ring main body. The lock target portion has a connection portion which is continuous with the O-ring main body at one end and a lock target portion main body which is continuous with the other end of the connection portion and projects perpendicularly to an extension direction of the connection portion. The lock target portion main body has a hollow portion in a base portion which is continuous with the other end of the connection portion, and thereby assumes a tubular shape.
Method of electroplating metal into recessed feature and electroplating layer in recessed feature
A method of electroplating a metal into a recessed feature is provided, which includes: contacting a surface of the recessed feature with an electroplating solution comprising metal ions, an accelerator additive, a suppressor additive and a leveler additive, in which the recessed feature has at least two elongated regions and a cross region laterally between the two elongated regions, and a molar concentration ratio of the accelerator additive: the suppressor additive: the leveler additive is (8-15):(1.5-3):(0.5-2); and electroplating the metal to form an electroplating layer in the recessed feature. An electroplating layer in a recessed feature is also provided.
Wireless access point in pedestal or hand hole
Novel tools and techniques are provided for implementing antenna structures to optimize transmission and reception of wireless signals from ground-based signal distribution devices, which include, but are not limited to, pedestals, hand holes, and/or network access point platforms. Wireless applications with such devices and systems might include, without limitation, wireless signal transmission and reception in accordance with IEEE 802.11a/b/g/n/ac/ad/af standards, UMTS, CDMA, LTE, PCS, AWS, EAS, BRS, and/or the like. In some embodiments, an antenna might be provided within a signal distribution device, which might include a container disposed in a ground surface. A top portion of the container might be substantially level with a top portion of the ground surface. The antenna might be communicatively coupled to one or more of at least one conduit, at least one optical fiber, at least one conductive signal line, or at least one power line via the container.
Dual-polarized millimeter-wave antenna system applicable to 5G communications and mobile terminal
A dual-polarized millimeter-wave antenna system applicable to 5G communications and a mobile terminal are disclosed. Each antenna element comprises a radiating body and a director, wherein the radiating body comprises a first dielectric layer, a main radiating part, a first feeding branch, a second feeding branch, a third feeding branch and a fourth branch, and the director comprises a second dielectric layer, a first director part and a second director part. The director has the same effect on a +45° polarization pattern and a −45° polarization pattern of the radiating body, so that wide-angle coverage is realized, and the consistency of the two polarization patterns is good; and the antenna system occupies a small area does not need a clearance area and can be placed on a complete metal ground plate, there by being suitable for full-screen equipment.
Polarization rotating phased array element
A phase shifter includes a first dielectric layer, a switch mounted to the first dielectric layer, a conductive layer mounted to the first dielectric layer, a second dielectric layer mounted to the conductive layer, a conducting pattern layer mounted to the second dielectric layer, and a plurality of vias. The switch is switchable between a first conducting position and a second conducting position. Each via is connected between a first or a second throw arm of the switch and a conductor of the conducting pattern layer. When an electromagnetic wave incident on the phase shifter is reflected, an electric polarization of the reflected electromagnetic wave is rotated by ±90 degrees compared to an electric polarization of the incident electromagnetic wave based on a conducting position of the switch. The phase shifter can be used as one-bit spatial phase shifter to provide either 0° or 180° phase shift over wide bandwidths.
Double-reflector antenna and related antenna system for use on board low-earth-orbit satellites for high-throughput data downlink and/or for telemetry, tracking and command
Disclosed herein is a double-reflector antenna (1) for use on board a satellite or space platform for data downlink or for telemetry, tracking and command. Said double-reflector antenna (1) comprises a main reflector (11) and a sub-reflector (12) arranged coaxially with, and in front of, one another. Additionally, the double-reflector antenna (1) further comprises a coaxial feeder, that is arranged coaxially with the main reflector (11) and the sub-reflector (12), and that includes inner (14) and outer (13) conductors arranged coaxially with, and spaced apart from, one another. The coaxial feeder is designed to be fed with downlink microwave signals to be transmitted by the double-reflector antenna (1), and to radiate said downlink microwave signals through a feed aperture (15), that is located centrally with respect to the main reflector (11) and that gives onto the sub-reflector (12). The inner conductor (14) protrudes axially and outwardly from the feed aperture (15) up to the sub-reflector (12) and is rigidly coupled to said sub-reflector (12) thereby supporting said sub-reflector (12).
TFT substrate, scanning antenna comprising TFT substrate, and TFT substrate production method
A TFT substrate includes a dielectric substrate and a plurality of antenna unit regions arranged on the dielectric substrate. Each of the plurality of antenna unit regions includes a TFT and a patch electrode connected to a drain electrode of the TFT. The TFT substrate includes a source metal layer supported by the dielectric substrate and including a source electrode of the TFT, the drain electrode, a source bus line connected to the source electrode, and the patch electrode, a gate metal layer formed on the source metal layer and including a gate electrode of the TFT and a gate bus line connected to the gate electrode, a gate insulating layer formed between the source metal layer and the gate metal layer, and an interlayer insulating layer formed on the gate metal layer.
Sideband-based self-calibration of an array antenna system
Methods, systems, and devices are described for calibration of an array antenna system. A device may transmit a calibration signal from a first antenna element of an antenna array. The calibration signal may be generated by modulating a first signal having a first frequency with a modulation signal having a second frequency. The device may receive the calibration signal using a second antenna element of the antenna array. The device may analyze a sideband of the received calibration signal, where the sideband may be offset in frequency from the first frequency by the second frequency. The device may calibrate the array antenna system based on or more measured properties of the sideband.
Omnidirectional ceiling antenna
Disclosed is an omnidirectional ceiling antenna (10). The omnidirectional ceiling antenna (10) comprises: a base plate (101); a first antenna unit (102) and a second antenna unit (103), the first antenna unit and the second antenna unit are arranged on the base plate at intervals, and the first antenna unit and the second antenna unit are not symmetrical with respect to a longitudinal central axis of the base plate; a coupling plate (104), the coupling plate is arranged on the base plate; an isolation plate (105), the isolation plate is arranged on the base plate; and a first feeding member (106) and a second feeding member (107), the first feeding member cooperates with the first antenna unit so as to feed the first antenna unit, and the second feeding member cooperates with the second antenna unit so as to feed the second antenna unit.
Display panel with integrated small cell and billboard with integrated macro site
Aspects of the present disclosure are related to digital display devices and base stations such as small cell base stations, which may include at least one antenna and a radio. More specifically, digital display devices are being increasingly deployed in airports, along roads and highways, in shopping malls, in rural or highly urban areas where additional cellular coverage is desirable. These digital display devices provide desirable mounting locations for cellular equipment because they are already powered. One or more components of the base station may be concealed from view by a concealment device to satisfy aesthetic or design requirements. In some aspects, this concealment device may be a fabric radome. In some aspects, the concealment device may be the digital display device itself, because the digital display device is dimensioned such that at least some components of the base station may be hidden behind or within the digital display device.
Substrate for medical device and medical device
A substrate for a medical device, a portion of which is brought into contact with or inserted into a subject. The substrate includes a patient circuit conductively connected to the portion that is configured to be brought into contact with or inserted into the subject, and a ground-side circuit configured to perform at least one of transmission of a signal, reception of a signal, and supply of electric power on the patient circuit. The ground-side circuit is grounded by a protective ground to ensure safety of a manipulator of the medical device. The substrate also includes an insulating layer between the patient circuit and the ground-side circuit providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit.
Replaceable card for antenna frequency tuning
An improved antenna configuration for a communication device is provided that enables ultra wideband operation. The antenna may be formed of two sections, a primary section built into the communication device and a replaceable secondary section disposed on a data card. The primary section is common for all frequency bands of operation which the antenna is intended to cover. The replaceable secondary section is unique to predetermined frequency bands and provides tuning for the overall antenna. A data card tray antenna configuration is also provided which is suitable for a stand-alone antenna or as part of a sectional antenna.
Substrate integrated waveguide and method for manufacturing the same
A method for manufacturing a substrate integrated waveguide for a millimeter wave signal is disclosed. In the method, a gold layer is disposed on a top surface of the silicon substrate using a lift-off process. Next, two parallel rows of substantially equal spaced vias are formed in the silicon substrate using a through-silicon-via etching process. Then, a copper layer is disposed on the bottom side of the silicon substrate and on interior surfaces of each via. The separation between the copper layer and the gold layer define a height of the substrate integrated waveguide, while the separation between the two parallel rows of substantially equal spaced vias define a width of the substrate integrated waveguide. In some implementations the length of the substrate defines a length of the substrate integrated waveguide, and the length, width, and height define a resonator that is resonant at a millimeter wave frequency.
A band-pass filter includes five resonators. The five resonators are configured so that capacitive coupling is established between every two of the resonators adjacent to each other in circuit configuration. The first stage resonator and the fifth stage resonator are magnetically coupled to each other. The second stage resonator and the fourth stage resonator are capacitively coupled to each other. Each of the five resonators includes a resonator conductor portion. The respective resonator conductor portions of the first and fifth stage resonators are physically adjacent to each other. The respective resonator conductor portions of the second and fourth stage resonators are physically adjacent to each other. The respective resonator conductor portions of the first and second stage resonators are physically adjacent to each other. The respective resonator conductor portions of the fourth and fifth stage resonators are physically adjacent to each other.
Thermo-electrochemical converter with integrated energy storage
An electrochemical direct heat to electricity converter includes a primary thermal energy source; a working fluid; an electrochemical cell comprising at least one membrane electrode assembly including a first porous electrode, a second porous electrode and at least one membrane, wherein the at least one membrane is sandwiched between the first and second porous electrodes and is a conductor of ions of the working fluid; an energy storage reservoir; and an external load. The electrochemical cell operates on heat to produce electricity. When thermal energy available from the primary thermal energy source is greater than necessary to meet demands of the external load, excess energy is stored in the energy storage reservoir, and when the thermal energy available from the primary thermal energy source is insufficient to meet the demands of the external load, at least a portion of the excess energy stored in the energy storage reservoir is used to supply power to the external load.
Metal-air battery having folded structure and method of manufacturing the same
A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
Heat dissipation material, method of manufacturing the same, and battery module including the heat dissipation material
Provided are a heat dissipation material, a method of manufacturing the same, and a battery module including the same. The heat dissipation material according to an embodiment of the present disclosure may include: a plurality of foam pad members provided to be capable of buffering; and a graphite member configured to surround the foam pad member for heat conduction, wherein the graphite member is provided to surround the plurality of foam pad members, respectively.
Secondary battery containing auxiliary electrode sensor and anomaly detection method for secondary battery
A secondary battery including, an anode including a metal; a cathode; an electrolyte provided between the anode and the cathode; and a separator membrane, and further comprising an auxiliary electrode interposed in the separator membrane, for inhibiting dendrite growth of the metal to a predetermined state or less and detecting an internal short circuit of the secondary battery in advance, is provided.
Method for forming a Li-ion battery cell comprising an LNMO cathode material
A process forms a Li-ion battery cell including an LNMO-based cathode material, an anode material, a separator and an electrolyte. The process successively includes charging the cell until the cell reaches a state of charge of 100%, storing the cell in the state of charge of 100% in an open circuit for a period of time of at least 48 hours, and removing gas generated during the charging and the storage.
Power source device
A power source device, capable of charging a power storage device using power from a power source, is realized with a configuration capable of suppressing the generation of heat and noise. The power source includes a controller that determines an output state of a power storage device on the basis of a detection value detected by a voltage detection circuit. When the output state of the power storage device corresponds to a prescribed high-voltage state when prescribed charging conditions are satisfied, the controller causes only a first charging circuit, among the first charging circuit and a second charging circuit, to operate. When the output state corresponds to a prescribed low-voltage state, the controller causes only the second charging circuit to operate.
Secondary battery and electrolyte liquid
The object is to provide a lithium ion secondary battery which has an excellent cycle property even in high-temperature environment and which has small volume increase. An exemplary embodiment of the invention is a lithium ion secondary battery, comprising: a positive electrode, a negative electrode comprising a negative electrode active material, and an electrolyte liquid; wherein the electrolyte liquid comprises a chain-type fluorinated ester compound represented by a predetermined formula and a chain-type fluorinated ether compound represented by a predetermined formula; wherein the negative electrode active material comprises metal (a) that can be alloyed with lithium, metal oxide (b) that can absorb and desorb lithium ion, and carbon material (c) that can absorb and desorb lithium ion; and wherein metal (a) is silicon, and metal oxide (b) is silicon oxide.
Electrode structures for three-dimensional batteries
An electrode structure for use in an energy storage device comprising a population of electrodes, a population of counter-electrodes and a microporous separator separating members of the electrode population from members of the counter-electrode population. Each member of the electrode population comprises an electrode active material layer and an electrode current conductor layer, and each member of the electrode population has a bottom, a top, a length LE, a width WE and a height HE, wherein the ratio of LE to each of WE and HE is at least 5:1, the ratio of HE to WE is between 0.4:1 and 1000:1, and the electrode current collector layer of each member of the electrode population has a length LC that is measured in the same direction as and is at least 50% of length LE.
Method for manufacturing all-solid-state thin-film batteries
Process for fabrication of all-solid-state thin film batteries, said batteries comprising a film of anode materials, a film of solid electrolyte materials and a film of cathode materials, in which: each of these three films is deposited using an electrophoresis process, the anode film and the cathode film are each deposited on a conducting substrate, preferably a thin metal sheet or band, or a metalized insulating sheet or band or film, said conducting substrates or their conducting elements being useable as battery current collectors, the electrolyte film is deposited on the anode and/or cathode film, and in which said process also comprises at least one step in which said sheets or bands are stacked so as to form at least one battery with a “collector/anode/electrolyte/cathode/collector” type of stacked structure.
Li1+xAlxTi2-x(PO4)3 solid-state thin film electrolyte for 3D microbattery and method of fabrication
A solid-state rechargeable 3D microbattery is provided that has improved power density, energy density, and cycle lifetimes. These improvements are afforded by providing a solid-state electrolyte that is composed of crystalline Li1+xAlxTi2−x(PO4)3, wherein x is from 0 to 2. The solid-state electrolyte that is composed of crystalline Li1+xAlxTi2−x(PO4) has a high ionic conductivity (which is greater than 10−4 Siemens/cm) as well as high chemical stability.
Method for preparing membrane-electrode assembly, membrane-electrode assembly prepared therefrom, and fuel cell comprising same
The present specification relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly manufactured using the same, and a fuel cell comprising the same.
Circuit and method for cell voltage sensing in fuel cell stack
A vehicle system includes a voltage sensing circuit configured to detect voltages across cells in a fuel cell stack, and powered by a power supply sharing a voltage reference with the cells and having a voltage magnitude greater than a sum of voltage magnitudes of the cells. The system further includes a controller configured to, responsive to a change in polarity in at least one of the voltages indicative of freezing of the cells, issue an alert notification.
Cathode material and fuel cell
A cathode material used in an anode and a cathode contains (Co, Fe)3O4 and a perovskite type oxide that is expressed by the general formula ABO3 and includes at least one of La and Sr at the A site. A content ratio of (Co, Fe)3O4 in the cathode material is at least 0.23 wt % and no more than 8.6 wt %.
Positive-electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery
A positive-electrode material for a lithium ion secondary battery contains a lithium complex compound that is represented by the formula: Li1+aNibMncCodTieMfO2+α, and has an atomic ratio Ti3+/Ti4+ between Ti3+ and Ti4+, as determined through X-ray photoelectron spectroscopy, of greater than or equal to 1.5 and less than or equal to 20. In the formula, M is at least one element selected from the group consisting of Mg, Al, Zr, Mo, and Nb, and a, b, c, d, e, f, and α are numbers satisfying −0.1≤a≤0.2, 0.7
Particle, electrode, power storage device, electronic device, and method for manufacturing electrode
To increase capacity per weight of a power storage device, a particle includes a first region, a second region in contact with at least part of a surface of the first region and located on the outside of the first region, and a third region in contact with at least part of a surface of the second region and located on the outside of the second region. The first and the second regions contain lithium and oxygen. At least one of the first region and the second region contains manganese. At least one of the first and the second regions contains an element M. The first region contains a first crystal having a layered rock-salt structure. The second region contains a second crystal having a layered rock-salt structure. An orientation of the first crystal is different from an orientation of the second crystal.
Active material, electrode, secondary battery, battery pack, and vehicle
According to one embodiment, an active material is provided. The active material includes a first phase including a niobium-titanium composite oxide, and a second phase adjacent to the first phase and including an orthorhombic niobium oxide. The active material is a particle in which a second (010) plane of the orthorhombic niobium oxide is in contact with a first (010) plane of the niobium-titanium composite oxide in at least a part of a contact interface between the first phase and the second phase.
Electrochemical cell or battery
An electrochemical cell or battery uses iron gall ink as an electrolyte. In some examples, mold, bacteria, or yeast are allowed to grow on the electrolyte. The ink is made by combining tannic or gallic acid from a material such as dehydrated tea with a metal or transition metal sulfate, such as iron sulfate, potassium sulfate, or manganese sulfate. Urea, a metal or transition metal salt, and glycerin can also be added to the electrolyte to assist in the ion-producing reaction. One example includes electrodes made from iron and graphite, and an electrolyte of iron-gall or iron-tannate ink. Another example uses a manganese based ink. Aluminum, potassium, or sodium tannate ink, urea, and graphite can be used to make a metal-air cell, in which the cell is open to the air. The ink can be used as a charge transport in a redox-flow electrochemical cell. Yet another example utilizes Bauxite residue, a waste product of aluminum manufacture. The Bauxite is used to form an ink and used in cells similar to those described above.
All-solid-state lithium rechargeable cells
Provided is an all-solid-state lithium rechargeable cell, comprising: a) a cathode, wherein the cathode comprises: a1) a composite of VS4 and graphene; and a2) a solid catholyte; and b) a lithium-based anode. In particular, the all-solid-state lithium rechargeable cell of the present disclosure may exhibit high initial discharge capacities, high initial Coulombic efficiencies, good reversible capacities, excellent cycling stabilities, high energy densities as well as outstanding safeties.
Positive electrode active material for non-aqueous electrolyte secondary battery and method of producing the same
A positive electrode active material for a non-aqueous electrolyte secondary battery includes secondary particles of a lithium transition metal complex oxide as a main component. The main component is represented by a formula: Lit(Ni1-xCox)1-yMnyBαPβSγO2, where t, x, y, α, β, and γ satisfy inequalities of 0≤x≤1, 0.00≤y≤0.50, (1−x)·(1−y)≥y, 0.000≤α≤0.020, 0.000≤β≤0.030, 0.000≤γ≤0.030, and 1+3α+3β+2γ≤t≤1.30, and satisfy at least one of inequalities of 0.002≤α, 0.006≤β, and 0.004≤γ. The secondary particles exhibit a pore distribution, where a pore volume Vp(1) having a pore diameter of not less than 0.01 μm and not more than 0.15 μm satisfies an inequality of 0.035 cm3/g≤Vp(1) and where a pore volume Vp(2) having a pore diameter of not less than 0.01 μm and not more than 10 μm satisfies an inequality of Vp(2)≤0.450 cm3/g.
Electrode assembly and method for manufacturing the same
The present invention relates to an electrode assembly. The electrode assembly comprises: a first separator sheet; and a first electrode sheet and a second electrode sheet, which respectively adhere to both surfaces of the first separator sheet, wherein patterned masks having different adhesion force are respectivley disposed on both the surfaces of the first separator sheet, and the first electrode sheet adheres to the mask of a first surface of both the surfaces, which has relatively high adhesion force, and the second electrode sheet adheres to the mask of a second surface having relatively low adhesion force.
Battery module structural integration
A battery including supporting material is disclosed. The battery comprises a plurality of modules, each of which further comprises a plurality of battery cells that store and discharge electrical energy. To support the battery modules, a supporting material such as foam is inserted in the space between the battery modules. To support the cells within the modules, a supporting material such as foam is also inserted in between the battery cells in each of the modules.
Packaging of bare cell stacks within device enclosures for portable electronic devices
A battery cell compartment is formed with the device enclosure of an electronic device. Bare cell stacks are placed within the cell compartment. The resulting battery powers the electronic device.
Battery pack comprising gasket compression limiter
The present invention provides a battery pack including: a battery module assembly including a plurality of battery cells; a tray assembly having an upper surface on which the battery module assembly is mounted; a cover member having an outer periphery coupled to face an outer periphery of the tray assembly while the battery module assembly is accommodated therein; and a sealing gasket interposed between the mutually facing outer peripheries of the tray assembly and the cover member.
Sealant for electrochemical device in which non-aqueous electrolysis solution is used and sealant composition for electrochemical device
Provided is a sealant for an electrochemical device in which a non-aqueous electrolysis solution is used that has sufficient sealing performance even with respect to a high-polarity resin. The sealant contains a conjugated diene polymer (A), an aromatic vinyl-conjugated diene block polymer (B), and a hydrogenated amine-modified aromatic vinyl-conjugated diene block polymer (C).
Battery coil engaging members for downhole tools
Arrangements for retaining coiled battery internals in a coiled orientation within a cell casing, in which end caps and/or sleeves are provided with at least one inward-facing protuberance for engaging and securing the coiled battery internals, and means for securing and aligning pouch cell batteries within a sleeve.
Pouch forming device and method and facility for producing secondary battery comprising the pouch forming device
A pouch forming device is provided. The pouch forming device comprises a die member including a die on which a pouch film is disposed on a top surface thereof, in which a forming part is formed, and a die holder to which the die is fixed, a stripper member that presses and fixes the pouch film disposed on the die when descending and a first driving piece to move the stripper vertically, a punch member including a punch plate comprising a punch configured to be inserted into the forming part to form an electrode assembly accommodation part in the pouch film and a second driving piece to move the punch plate vertically, and a control member that controls the first driving piece to allow the stripper to ascend when the punch is inserted into the forming part to decrease a pressing force applied to the pouch film.
An example of a thermal composite includes a substrate, a primer layer, a first adhesive layer, a blanket layer, a second adhesive layer, and a metal layer. The blanket layer includes basalt fibers or glass fibers. The thermal composite may be incorporated into a battery pack as a battery enclosure.
Organic light emitting diode panel
Provided is an organic light emitting diode panel. The organic light emitting diode panel includes a thin film transistor substrate, a first anode layer disposed on the thin film transistor substrate and a second anode layer and a pixel definition layer disposed on the first anode layer, wherein the pixel definition layer comprises a first pixel definition layer disposed between the first anode layer and the second anode layer. By disposing the first anode layer and the second anode layer, as the organic light emitting diode panel displays, the reflection of the light emitted from the organic light emitting diode functional layer inside the organic light emitting diode panel is greatly enhanced, to enhance the brightness and viewing angle of the organic light emitting diode panel, to reduce the power consumption, and to improve the product quality.
A display device includes: a substrate having: a display area; and a non-display area surrounding the display area; an inorganic layer disposed in the display area and the non-display area, the inorganic layer including openings exposing the substrate; a protruding portion disposed overlapping the openings, the protruding portion contacting the substrate exposed by the openings and including an organic material; and a passivation layer disposed on the inorganic layer, the passivation layer contacting the protruding portion. Such as structure is capable of minimizing or reducing the formation of cracks and preventing or reducing formed cracks from being propagated to the inside of the display device.
Organic light-emitting display apparatus and method of manufacturing the same
A method of manufacturing an organic light-emitting display apparatus includes: forming a pixel electrode on a substrate; forming a pixel-defining layer (PDL) having an opening exposing at least a part of the pixel electrode; forming an intermediate layer including a central portion disposed on the pixel electrode, an edge portion that extends from the central portion and contacts the PDL, at least one common layer, and an organic emission layer; forming a protective layer including a central portion disposed on the central portion of the intermediate layer and an edge portion that extends from the central portion of the protective layer and contacts the PDL; and forming an opposite electrode on the PDL, the opposite electrode having an opening exposing at least a part of the protective layer and electrically connected to the protective layer.
Organic light-emitting display apparatus
An organic light-emitting display apparatus includes: a substrate; a display unit on the substrate and including a display area and a non-display area outside of the display area; and a thin-film encapsulation layer that seals the display unit, wherein the non-display area includes a dam region located outside of the display area and a plurality of protrusions on at least a part of the display unit outside of the dam region.
Organic EL display panel
The pixels of an organic EL display panel each include an anode electrode layer, an organic layer, and a cathode electrode layer. Each of the organic layer and the cathode electrode layer is shared by the plurality of pixels. An organic EL element in each of the pixels includes an anode section, a cathode section, and a light emitting section. A conductor layer having a recess is provided in a region outside a region of the organic EL element in a view from a light exiting direction in which the organic EL element emits light. The recess includes a coated section that is covered with the organic layer and a conductor exposed section where the conductor layer is exposed. The cathode electrode layer is connected to part of the conductor exposed section.
Depositable ion organic function material and use thereof in organic electroluminescent device
The present invention relates to a depositable ionic organic functional material having a structure selected from the formulas (21) to (26). The depositable ionic organic functional material can be used in high-efficiency blue to red OLEDs. The present invention also relates to an organic electroluminescent device using the depositable ionic organic functional material as a dopant in the organic light-emitting layer thereof.
White organic light-emitting diode device
The present disclosure discloses a white OLED device, which includes a substrate, an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer that are disposed to be sequentially laminated; the white OLED device further includes a reflective layer disposed on the electron injection layer or a reflective layer interposed between the substrate and the anode, wherein a material of the reflective layer has a selective reflection function on light having different wavelengths. The white OLED device according to the present disclosure adjusts a spectrum of the device by utilizing the reflective layers of different materials, to optimize the luminous efficiencies of the respective light-emitting materials in the white OLED device during a light-emitting period, thereby overcoming the defect in the prior art that in order to match the light-emitting materials having low luminous efficiencies, actual luminous efficiencies of other light-emitting materials having higher specified luminous efficiencies are artificially reduced, which causes the light-emitting materials having the higher specified luminous efficiencies to generate more heat, so as to avoid problems of mismatching of concentration of carriers, high heat, accumulation of charges and heat and so on in the device.
Flexible substrate and fabrication method thereof, and flexible display apparatus
The embodiments of the disclosure disclose a flexible substrate, a fabrication method thereof, and a flexible display apparatus. The flexible substrate includes a first organic layer and an inorganic buffer layer stacked together. The first organic layer and the inorganic buffer layer form an organic-inorganic composite structure. The expansion coefficient of the flexible substrate provided by the embodiment of the present disclosure is more matched with that of the rigid auxiliary substrate, so as to reduce the risk of warping of the rigid auxiliary substrate and then improve the process accuracy when fabricating the display device.
Flexible display panel and polyimide substrate thereof, and method for fabricating the flexible display panel
A flexible display panel and a polyimide substrate thereof, and a method for fabricating the flexible display panel are disclosed. The flexible display panel includes a large panel composed of a glass carrier and a polyimide substrate adhering to the glass carrier and displaying effective regional assemblies adhering to the polyimide substrate. A glue layer is formed at the periphery of the displaying effective regional assemblies and formed on the polyimide substrate and used to reinforce the edge of the polyimide substrate after the large panel is cut into a display panel.
Method of fabricating organo-lead halide perovskites thin single crystals
Embodiments of the present disclosure describe a method of fabricating a semiconducting material, comprising fixing a first substrate to a second substrate via a bonding material sufficient to form a two-substrate support with a cavity region, applying an organo-lead halide perovskite precursor solution to the cavity region of the two-substrate support, and annealing sufficient to form in the cavity region a semiconducting material including an organo-lead halide perovskite thin single crystal. Embodiments of the present disclosure further describe a transistor comprising a source terminal, a drain terminal, a channel layer extending between the source terminal and the drain terminal and including an organo-lead halide perovskite thin single crystal, a gate terminal, and an insulating layer separating the gate terminal from the source terminal, drain terminal, and channel layer sufficient to form a transistor.
Organic electroluminescent materials and devices
A mixture containing three different compounds that is useful as a stable co-evaporation source material for a vacuum deposition tool is disclosed. The mixture comprises a first compound; a second compound; and a third compound that are all organic compounds and have different chemical structures from each other and each has an evaporation temperature T1, T2, and T3, respectively, in the range of 150 to 350° C. T1, T2, and T3 differ from each other by less than 20° C. The first compound has a concentration C1 in the first mixture and a concentration C2 in a film deposited by evaporating the first mixture in a high vacuum deposition tool under a predefined deposition condition where |(C1−C2)/C1| is less than 5%.
Crosslinkable hole transport materials
There is disclosed a compound having Formula I In Formula I: R1 and R2 are the same or different and are H or D; R3 is the same or different at each occurrence and D, CN, halogen, alkyl, alkoxy, silyl, germyl, deuterated alkyl, deuterated alkoxy, deuterated silyl, or deuterated germyl; a is an integer from 0-4; Q1 and Q2 are the same or different and are H, D, alkyl, deuterated alkyl, aryl, deuterated aryl, or a group having Formula II *-(L1)b-HT (II) At least one of Q1 and Q2 is a group having Formula II. In Formula II: HT is the same or different at each occurrence and is a hole transport group; L1 is the same or different at each occurrence and is alkyl, aryl, substituted derivatives thereof, deuterated analogs thereof, or combinations thereof; b is the same or different at each occurrence and is 0 or 1; and * indicates a point of attachment.
Monocrystalline magneto resistance element, method for producing the same and method for using same
To provide a key monocrystalline magnetoresistance element necessary for accomplishing mass production and cost reduction for applying a monocrystalline giant magnetoresistance element using a Heusler alloy to practical devices. A monocrystalline magnetoresistance element of the present invention includes a silicon substrate 11, a base layer 12 having a B2 structure laminated on the silicon substrate 11, a first non-magnetic layer 13 laminated on the base layer 12 having a B2 structure, and a giant magnetoresistance effect layer 17 having at least one laminate layer including a lower ferromagnetic layer 14, an upper ferromagnetic layer 16, and a second non-magnetic layer 15 disposed between the lower ferromagnetic layer 14 and the upper ferromagnetic layer 16.
Combinatorial magneto electric spin orbit logic
Some embodiments include apparatuses having a first magnet, a first stack of layers coupled to a first portion of the first magnet, a first layer coupled to a second portion of the first magnet, a second magnet, a second stack of layers coupled to a first portion of the second magnet, a second layer coupled to a second portion of the second magnet, a conductor coupled to the first stack of layers and to the second layer, and a conductive path coupled to the first portion of the first magnet and to the first portion of the second magnet, each of the first and second layers including a magnetoelectric material, each of the first and second stacks of layers providing an inverse spin orbit coupling effect.
The piezoelectric element comprises a piezoelectric body extending in a lateral direction and a first and second electrodes that are provided on the piezoelectric body. The piezoelectric body has an active portion sandwiched between the first and second electrodes in a thickness direction that is vertical to the lateral direction, and an inactive portion connected to the active portion in the lateral direction. The first electrode has an active electrode portion disposed on the active portion. The active electrode portion includes an interface region that is adjacent to the interface of the active portion and the inactive portion in the lateral direction, and an inner region that is separated from the interface of the active portion and the inactive portion in the lateral direction. The cross sectional surface area per unit length of the interface region in the cross section of the active electrode portion is greater than the cross sectional area per unit length of the inner region.
Controlling a state of a qubit assembly via tunable coupling
Methods and apparatuses are provided for controlling the state of a qubit. A qubit apparatus includes a load, a qubit, and a compound Josephson junction coupler coupling the qubit to the load. A coupling controller controls the coupling strength of the compound Josephson junction coupler such that a coupling between the qubit and the load is a first value when a reset of the qubit is desired and a second value during operation of the qubit.
Thermoelectric devices, systems and methods
A method for forming a thermoelectric element for use in a thermoelectric device comprises forming a mask adjacent to a substrate. The mask can include three-dimensional structures phase-separated in a polymer matrix. The three-dimensional structures can be removed to provide a plurality of holes in the polymer matrix. The plurality of holes can expose portions of the substrate. A layer of a metallic material can be deposited adjacent to the mask and exposed portions of the substrate. The mask can then be removed. The metallic material is then exposed to an oxidizing agent and an etchant to form holes or wires in the substrate.
Light emitting device and method of manufacturing the same
Disclosed is a light emitting device and a method of manufacturing the same. The light emitting device includes a body, a first electrode installed in the body and a second electrode separated from the first electrode, a light emitting chip formed on one of the first and second electrodes, and electrically connected to the first and second electrodes, and a protective cap projecting between the first and second electrodes.
A display device is provided. The display device includes a substrate, a driving circuit disposed on the substrate, and a light-emitting unit disposed on the driving circuit and electrically connected to the driving circuit. The light-emitting unit includes a first semiconductor layer, a quantum well layer disposed on the first semiconductor layer and a second semiconductor layer disposed on the quantum well layer. The second semiconductor layer includes a first top surface. The display device also includes a first protective layer disposed on the driving circuit and adjacent to the light-emitting unit. The first protective layer includes a second top surface and a plurality of conductive elements formed therein. The elevation of the first top surface is higher than the elevation of the second top surface.
Leadframe, optoelectronic component having a leadframe, and method for producing an optoelectronic component
An optoelectronic component having a leadframe and a method for producing an optoelectronic component are disclosed. In an embodiment, an optoelectronic component includes a radiation-emitting semiconductor chip having a mounting surface and side surfaces, a leadframe comprising a first element having a first main extension plane, a second element having a second main extension plane, and a third element having a third main extension plane, wherein the main extension planes are arranged parallel to one another, and wherein the elements are arranged one above the other in a stacking direction; and a reflective casting compound forming a planar surface facing the mounting surface of the semiconductor chip, wherein the semiconductor chip is mounted with the mounting surface on a support surface of the third element, which is smaller than the mounting surface of the semiconductor chip, such that the semiconductor chip projects laterally beyond the support surface of the third element.
Encapsulation of light-emitting elements on a display module
A display module comprises a circuit board having a front face, a plurality of light-emitting elements electrically coupled to the front face of the circuit board, a polymer encapsulating member adhered to the front face of the circuit board, the polymer encapsulating member substantially covering at least a portion of the circuit board and a portion of the plurality of light-emitting elements, the polymer encapsulating member substantially sealing the portion of the circuit board and the portion of the plurality of light-emitting elements, and an ultraviolet-radiation diminishing component in the polymer encapsulating member or on one or more of at least a portion of the circuit board or at least a portion of each of the light-emitting elements, wherein the ultraviolet-radiation diminishing component filters, blocks, or reflects more ultraviolet radiation than would be filtered, blocked, or reflected by the polymer encapsulating member without the ultraviolet-radiation diminishing component.
LED light source, LED light source manufacturing method, and direct display device thereof
Disclosed are an LED light source, an LED light source manufacturing method, and their direct display device. The LED light source includes a base, at least an LED chip, an anti-vulcanization structure, a light excitation structure, an encapsulation structure and a protection structure. The LED light source can overcome catalyst poison or vulcanization of the light-emitting material effectively to improve product yield and reliability of the LED light source. In the meantime, the LED light source has the feature of a better light emission performance.
Light-emitting diode and application therefor
A light emitting diode apparatus includes a substrate, a first conductive type semiconductor layer, a second conductive type semiconductor layer, a mesa, a lower insulating layer, a first pad and a second pad. The substrate has a first surface and a second surface opposite to the first surface. The first conductivity type semiconductor layer is disposed on the first surface of the substrate. The mesa is disposed on the first conductive semiconductor layer and has an active layer and the second conductive semiconductor layer. A peripheral edge of the first conductive semiconductor layer is exposed. The lower insulating layer covers the mesa and the first conductive semiconductor layer and has a plurality of first openings exposing the first conductive semiconductor layer along a peripheral edge of the substrate.
An LED module 101 is provided with an LED chip 200 that includes a sub-mount substrate 210 made of Si and a semiconductor layer 220 laminated on the sub-mount substrate 210. The module also includes white resin 280 that does not transmit light from the semiconductor layer 220 and that covers at least part of a side of the sub-mount substrate 210, where the side is connected to the surface on which the semiconductor layer 220 is laminated. These arrangements enhance the brightness of the LED module 101.
Vertical type light emitting diode having groove disposed under the first conductivity type semiconductor layer
A light emitting diode includes: a first conductivity type semiconductor layer; a mesa including an active layer and a second conductivity type semiconductor layer, the mesa having a groove disposed under some region of the first conductivity type semiconductor layer to expose an edge of the first conductivity type semiconductor layer, the groove exposing the first conductivity type semiconductor layer; a first electrode including a first contact portion electrically connected to the first conductivity type semiconductor layer through the groove; a second electrode disposed between the first electrode and the second conductivity type semiconductor layer and electrically connected to the second conductivity type semiconductor layer; and an upper electrode pad disposed adjacent to the first conductivity type semiconductor layer and connected to the second electrode, wherein the groove has a shape surrounding a region including a center of the mesa and partially open.
Apparatus for processing device structures
A method of processing a device wafer comprising applying a sacrificial material to a surface of a carrier wafer, adhering a surface of the device wafer to an opposing surface of the carrier wafer, planarizing an exposed surface of the sacrificial material by removing only a portion of a thickness thereof, and planarizing an opposing surface of the device wafer. A wafer assembly is also disclosed.
Vapor transport deposition method and system for material co-deposition
An improved feeder system and method for continuous vapor transport deposition that includes at least two vaporizers couple to a common distributor through an improved seal for separately vaporizing and collecting at least any two vaporizable materials for deposition as a material layer on a substrate. Multiple vaporizer provide redundancy and allow for continuous deposition during vaporizer maintenance and repair.
Preparation method and application of light-responsive LED based on GaN/CsPbBrxI3-x heterojunction
A light-responsive LED (Light Emitting Diode) based on a GaN/CsPbBrxI3-x heterojunction, a preparation method and an application thereof are provided. The light-responsive LED consists of a GaN base layer on a sapphire substrate, an all-inorganic perovskite CsPbBrxI3-x film, an indium electrode and a carbon electrode, forming an In/GaN/CsPbBrxI3-x/C structure, wherein: in the CsPbBrxI3-x film, 0
Radiation detector and associated imager
The invention relates to a radiation detector comprising a stack of superimposed layers successively comprising: an absorbent layer configured to absorb the radiation and made from a first semiconductor material, a screen charges layer made from a semiconductor material having a second bandgap value, a transition layer made from a semiconductor material having a third bandgap value, and a transition layer made from a semiconductor material having a third bandgap value, the absorbent layer and the screen charges layer having a doping of a first type, the first window layer having a doping of a second type, a dopant density of the window layer being greater than the dopant density of the transition layer.
An X-ray detector device includes in one example a switching portion and a photodetecting portion connected to the switching portion. The photodetecting portion includes a bottom electrode, a semiconductor area disposed above the bottom electrode, and a top electrode disposed above the semiconductor area. The area of the top electrode is smaller than the area of a top surface of the semiconductor area.