Electromagnetic gaskets for a cable connection
A gasket assembly structure including a frame which includes a front half and a back half joined together with a plurality of interlocking tabs located around a perimeter of the frame, defining a window, and an electromagnetic gasket, constrained between the front half and the back half of the frame; where the electromagnetic gasket lines an interior perimeter of the window and partially extends from the frame into the window, and a passageway through the window of the frame with boarders defined by the constrained electromagnetic gasket. A housing structure including a receptacle recessed within an opening on a front side of the housing, the receptacle is rigidly attached to the housing, and a gasket assembly recessed within the opening and located between the front side of the housing and the receptacle, where the gasket assembly is directly secured to the housing.
Electronic controller with laser weld sealed housing
An electronic controller having a housing, and a lower sub-assembly connected to a housing through the use of a laser weld, eliminating the use of a gasket and fasteners. The laser weld provides a sealed connection between the housing and the lower sub-assembly, preventing debris, moisture, oils, ATF, and chemicals from entering the housing, which protects the electrical components located inside the housing. The elimination of the gasket and fasteners also reduces the cost of the electronic controller. Depending upon the application, the electrical components may be mounted directly to the lower sub-assembly, or the electrical components may be mounted on a metal core. The metal core is used to provide heat dissipation and function as an electrical conductor. The lower sub-assembly may either be overmolded around the metal core, or the metal core may be attached to the lower sub-assembly after the lower sub-assembly has been formed.
Floating circuit board connector system
A board assembly includes a first board. The first board includes a first board connector that is configured to connect to a first baseboard connector receptacle included on a baseboard and a first board component coupled to the first board connector through the first board. The board assembly also includes a second board that is movably coupled to the first board by at least one floating coupling that allows the second board to move relative to the first board. The second board includes a second board connector that is configured to connect to a second baseboard connector receptacle included on the baseboard and a second board component coupled to the second board connector through the second board.
In a semiconductor device, a multilayer substrate includes an insulating substrate, a first circuit board having a first semiconductor chip disposed thereon, and a second circuit board having a second semiconductor chip disposed thereon. On the multilayer substrate of the semiconductor device, a plate portion of a resin plate including a first positioning portion that regulates the position of each semiconductor chip is sandwiched between a first jumper terminal, which includes a first terminal connected to the first semiconductor chip and a first plate member perpendicular to the first terminal, and a second jumper terminal, which includes a second terminal connected to the second semiconductor chip and a second plate member perpendicular to the second terminal.
Compressor protection module
A compressor may include a shell, a terminal assembly and an electronics module. The terminal assembly may engage the shell and may include an outwardly extending conductor and a terminal fence at least partially surrounding the conductor. The electronics module may include a back plate having an opening through which the terminal fence may be received. The back plate may include an engagement feature and a spring element. The engagement feature may removably engage the terminal fence. The spring element may contact the shell and bias the back plate away from the shell.
Pivotal device for a support of an electronic device
A pivotal device for a support of an electronic device includes a base and a flip module. The flip module includes first, second movable member, and third movable members. The second movable member is pivotably connected to the first movable member and is slideably mounted to the base. The third movable member is pivotably connected to the base and the second movable member and is slideably mounted to the first movable member. When the third movable member pivots relative to the second movable member, frictional resistance is generated to fix an angle between the third movable member and the second movable member. Operation of the pivotal device during the extending or closing procedure is smooth.
Electronic device with liquid-resistant SIM tray and audio module
An electronic device having several modifications designed to prevent liquid ingress into an opening (or openings) of the electronic device is disclosed. For example, the electronic device includes a SIM tray having a sealing element designed to provide a seal at an opening that receives the SIM tray. The sealing element may include a first section and a second section extending from the first section, with the first section designed to bend with respect to (and in some cases collapse onto) the second section. The electronic device may further include an audio module fitted with a sealing element. The sealing element may include extensions extending away from a main body of the sealing element, with some extension designed to engage the audio module, and other extensions designed to engage an audio module interface. The sealing element provides a seal against liquid ingress into the audio module.
Recyclable thermoplastic packaging
Methods and apparatuses disclosed herein relate to a recyclable thermoplastic unit that includes a casing body composed of a first thermoplastic having a first melting point. The casing body also includes a first locking mechanism that is configured to mate with a second locking mechanism of a sacrifice layer. The sacrifice layer is composed of a second thermoplastic and includes the second locking mechanism. The sacrifice layer has a melting point that is greater than the melting point of the casing body.
Electrical interconnect formed through buildup process
This disclosure relates generally to an electronic chip package that can include a die and a buildup layer substantially enveloping the die. Electrical interconnects can be electrically coupled to the die and passing, at least in part, through the buildup layer. An optical emitter can be electrically coupled to the die with a first one of the electrical interconnects and configured to emit light from a first major surface of the electronic chip package. A solder bump can be electrically coupled to the die with a second one of the electrical interconnects and positioned on a second major surface of the electronic chip package different from the first major surface.
Wiring substrate and semiconductor package
A wiring substrate includes a core layer, a first wiring layer, a first insulating layer, a first via wiring, a second wiring layer, a second insulating layer, a second via wiring, a third wiring layer, a third insulating layer, a third via wiring, and a through-wiring. The through-wiring includes upper and lower end surfaces. The upper end surface has an area that is smaller than an area of the lower end surface. The upper surface of the first insulating layer is more flat than the lower surface of the third insulating layer. The second wiring layer has a wiring density that is higher than a wiring density of the first wiring layer.
Stencil set and system for printing solder paste for printed circuit boards
A method of printing solder paste in a component board and a stencil set for doing the same are disclosed. In one embodiment, the method includes using a first stencil having a first thickness to print solder paste into at least one through hole in the component board. The method further includes using a second stencil having a second thickness to print solder paste for at least one surface mounted part on the component board, subsequent to using the first stencil.
Bussed electrical center
A bussed electrical center includes an electrical-assembly and a single fastening feature. The electrical-assembly includes a lower-housing, a printed-circuit-board, an upper-housing, and electrical-devices. The lower-housing engages an outer-housing that retains electrical-connectors having a plurality of electrical-terminals. The printed-circuit-board has a plurality of corresponding-electrical-terminals configured to mate with the plurality of electrical-terminals of the electrical-connectors. The electrical-assembly defines a guide-hole that passes through the upper-housing, the printed-circuit-board, and the lower-housing, wherein the guide-hole defines a shoulder in the upper-housing. The single fastening feature consists of one first-fastener element positioned within the guide-hole that has a flange and a shank. The shank is operable to engage one second-fastener element in the outer-housing. The flange engages the shoulder, wherein the electrical-assembly is drawn into the outer-housing when the first-fastener element and the second-fastener element are tightened together to mate the electrical-terminals with the corresponding-electrical-terminals.
Circuit board assembly, control device for a cooler fan module and method
The present invention relates to a circuit board assembly, comprising a circuit board which has a first and a second solder region, which is galvanically separated from the first, and which furthermore has a separator arranged between the solder regions and rising out from the solder regions, having a power semiconductor component which has a housing having an output connection side, from which at least one control connection and a plurality of output connections protrude, which are arranged substantially adjacent to each other on the output connection side, wherein the control connection is electrically and mechanically connected to the first solder region and the output connections are electrically and mechanically connected to the second solder region and the control connection is separated from the output connections via the raised separator. The present invention furthermore relates to a control device for a cooler fan module of a motor vehicle and a method for assembling a power semiconductor component on a circuit board.
Semiconductor package with dual second level electrical interconnections
A semiconductor package such as a multi-chip package is disclosed. The semiconductor package may be configured for dual second level interconnection onto a printed circuit board of a host device. Thus, a single semiconductor package may be used on host printed circuit boards having different configurations.
Circuits for flexible structures
Some aspects of this disclosure generally are related to improving the robustness of a flexible circuit structure, for example, by providing fault-tolerant electrical pathways for flow of electric current through the flexible circuit structure. In some embodiments, such fault tolerance is enhanced by way of a conductive mesh provided between an adjacent pair of resistive elements. Some aspects are related to improved voltage, current, or voltage and current measurement associated with various pairs of adjacent resistive elements at least when the various pairs have differing distances between them.
Multi-layer heat spreader assembly with isolated convective fins
An assembly of two or more heatspreaders is attached to a printed circuit board in a compact electronic enclosure. The heatspreaders include fins which assist in convecting heat out of the enclosure through vents. The printed circuit board is shielded from the outer case by the heatspreaders.
Suspension board and load beam combination including a positioning reference hole and a reinforcing layer
A suspension board with circuit includes a metal supporting board, a conductive layer laminated on the metal supporting board, and a via layer interposed between the metal supporting board and the conductive layer. The conductive layer includes a conductive pattern, and a reference portion serving as a positioning reference for placing the suspension board with circuit on a load beam.
Chamber device, target generation method, and extreme ultraviolet light generation system
A chamber device may include a chamber, and a target generation device assembled into the chamber and configured to supply a target material into the chamber, the target generation device including a tank configured to store the target material, a temperature variable device configured to vary temperature of the target material in the tank, and a nozzle section in which a nozzle hole configured to output the target material in a liquid form is formed, and the chamber device may further include a gas nozzle having an inlet port facing the nozzle section and configured to introduce gas into the chamber, a gas supply source configured to supply gas containing hydrogen to the gas nozzle to supply the gas containing the hydrogen to at least periphery of the nozzle section, and a moisture remover configured to remove moisture at least in the periphery of the nozzle section in the chamber.
Radiation imaging apparatus and control method thereof, and radiation imaging system
An FPD detects an X-ray image of an object. The FPD includes a plurality of pixels arranged in its image capturing field. Each pixel receives X-rays emitted from an X-ray source, and outputs a pixel value in accordance with an X-ray dose applied thereto. A pixel determiner determines a minimum-value pixel out of the pixels based on the pixel values of the pixels. The minimum-value pixel is a pixel whose pixel value is the lowest. The pixel determiner sets the minimum-value pixel as an exposure control pixel. A comparator compares a first integrated value, which is an integrated value of the pixel values of the minimum-value pixel, with a predetermined first threshold value. The comparator performs X-ray emission control such that, when the first integrated value has reached the first threshold value, the X-ray source stops emitting the X-rays.
Selective control of decorative lighting with control option indication
A selectively controlled lighted artificial tree with visual timing function indication, comprising: a tree trunk having a plurality of branches; a plurality of lighting assemblies including light elements, the plurality of lighting assemblies distributed about the plurality of branches; a plurality of wires in electrical connection with the plurality of light elements, the plurality of wires for transmitting electrical power to the plurality of light elements; a controller in electrical communication with the plurality of lighting assemblies, the controller including a push-button switch and a logic-control circuit with a processor, the controller configured to selectively cause power to be transmitted to one or more of the plurality of light elements for a power-on duration, and to cause one or more of the plurality of light elements to selectively be powered on and off to provide a visual indication of the power-on duration.
Lighting status signaling system and method
A lighting status signaling system including a lighting fixture having a light, a light driver connected to the light, and a monitor circuit connected to the light and to the light driver. The monitor circuit is configured to monitor a voltage level at an output of the light driver. A sensing circuit is coupled to the monitor circuit via a sensing wire independent of a power wire to the lighting fixture. A lighting controller is connected to the sensing circuit via the sensing wire and configured to determine a lighting status of the lighting fixture.
Techniques for gesture-based control of color-tunable lighting
Techniques are disclosed herein for a lighting interface system configured to adjust tunable lighting characteristics output by one or more lighting devices based on a plurality of simple, intuitive touch-gestures without necessarily providing visual indicators via a display screen or other feedback elements. The lighting interface system is implemented as a relatively simple touchpad device that is wall-mounted or portable depending on a desired configuration. The lighting interface system is configured to capture user-gestures via the touchpad device and translate the same into target lighting characteristics and an adjustment value to adjust each of the target lighting characteristics thereby. User gestures are adjustably mapped to lighting characteristics including, for example, intensity, color temperature, hue and color saturation. The lighting interface system is also configured to recognize navigation gestures, which allow a user to target one or more specific lighting devices to make adjustments thereto.
LED security light and LED security light control device thereof
A LED security light includes a power supply unit, a light sensing unit, a motion sensor unit, a loading and power control unit, an external control unit and a light-emitting unit. In responding respectively to signals outputted from the light sensing unit and the motion sensor unit, the LED security light is turned on at dusk for generating different level illuminations performed by the light emitting unit and turned off at dawn. The light emitting unit includes one or a plurality of LEDs. The external control unit is for setting illumination characteristics of the light emitting unit. The power supply unit comprises a solar power module as a first power source and a backup battery module as a second power source.
Zero-crossing detection circuit for a dimmer circuit
A zero-crossing detection circuit for a trailing edge phase control dimmer circuit for controlling alternating current (AC) power to a load, wherein the circuit includes: a switching circuit for controlling delivery of AC power to the load by conducting power to the load in an ON state and not conducting power to the load in an OFF state; a switching control circuit for controlling turn-OFF and turn-ON of the switching circuit at each cycle of the AC; and a rectifier for rectifying the AC power in the non-conduction period to generate rectified dimmer voltage to be provided to the dimmer circuit, wherein the zero-crossing detection circuit includes a current sink circuit; wherein the current sink circuit has a low impedance at low instantaneous AC voltages; a comparator circuit configured to detect zero crossings of a first threshold value of the rectified dimmer voltage.
Linear lighting with distributed onboard power conversion and filtering
A strip of linear lighting with distributed power conversion is disclosed. The linear lighting includes a flexible PCB. The flexible PCB is divided into repeating blocks, which are arranged electrically in parallel with one another between power and ground. Each repeating block includes power conversion and conditioning circuits. A plurality of LED light engines are connected to the outputs of the power conversion and conditioning circuits, electrically in series with one another. The power conversion and conditioning circuits typically include at least a full-bridge rectifier, and a filter may be connected to each of the LED light engines. A pair of conductors run the length of the PCB adjacent to it and are connected to each of the repeating blocks. A flexible, transparent covering surrounds the PCB and pair of conductors.
Backlight driving apparatus
A lighting apparatus includes a light-emitting diode (LED) array, a rectifying unit configured to rectify an alternating current (AC) voltage and to generate a driving voltage for the LED array, a switch control signal generation unit configured to generate a switching control signal depending on the driving voltage, the switching control signal including connection control signals and a compensation control signal, connection changing units configured to change a connection between the LEDs according to the connection control signals, and a light output compensation unit configured to generate a compensation voltage according to the compensation control signal, and selectively supply the compensation voltage to the LED array.
Circuit for driving a load
A driver circuit comprising: output circuitry for connecting the circuit to a load, the output circuitry comprising one or more energy-storing components; switching circuitry arranged to supply power from a power supply to the load by supplying a current through at least one of the energy-storing components that resists a change in current, or applying a voltage across at least one of the energy-storing components that resists a change in voltage; and control circuitry arranged to control the switching circuitry, to cause the above-mentioned current or voltage to oscillate between an upper envelope and a lower envelope. The control circuitry is configured to modulate data into this current or voltage by shifting the upper envelope between at least a first amplitude level and a second amplitude level, and by shifting the lower envelope by the same amount in the same direction at the same time.
Display panel and method of manufacturing the same
A display panel includes: a substrate including a first area, a second area forming a predetermined angle with the first area, and a first bending area between the first area and the second area; a first display unit and a first embedded circuit unit in the first area of the substrate; and a second display unit and a second embedded circuit unit in the second area of the substrate.
System information change notification for extended discontinuous reception
A UE in an eDRX cycle may miss an SI change notification because the UE's receiver may be powered down during the entire modification period prior to the SI change. An apparatus for wireless communication at a base station may transmit SI, change the SI during a period of eDRX by a UE, and transmit the changed SI. The apparatus ensures that a UE receives an SI change notification, even when performing eDRX, by transmitting at least one notification associated with the changed SI after the transmission of the changed SI and during a paging occasion for the UE. In another aspect, an apparatus for wireless communication at a UE enters into an eDRX cycle and receives, after an SI change, a notification associated with the SI change.
Wireless services gateway
A system for integrating wireless service providers' core networks with Wi-Fi radios using a Wireless Services Gateway (WSG). The WSG can allow wireless device users to seamlessly connect to a network such as the internet using both cellular phone antennae as well as Wi-Fi radio antennae while still utilizing their preferred wireless service provider's core network system of billing, authenticating and policy decision making. This system can allow for data transmission of wireless devices through Wi-Fi instead of through cellular antennae, thus increasing bandwidth and data transmission rates.
Method and device for controlling device by using bluetooth low energy (LE) technology
Disclosed is a method and device for controlling a connection between a first device and a second device by using Bluetooth LE (Low Energy) technology. The method comprises: receiving from the first device an advertising message including information related to a connection control service; connecting with the first device based on the advertising message; and requesting the first device to write in the characteristics of the first device in order to instruct to perform a specific operation, wherein the advertising message includes at least one of role information indicating a role of the first device, bonding information indicating a bonding state, or connection information indicating a connection state.
Wireless network access point to select a device-to-device communication master for a device-to-device communication group
A wireless network access point and User Equipment (UEs) communicate over Base Station-to-Device (BS2D) traffic links. The wireless network access point receives status reports from the UEs that form a Device-to-Device (D2D) communication group. The wireless network access point filters the UEs in the D2D communication group based on a signal strength threshold and a buffer capacity threshold to identify a candidate set of the UEs. The wireless network access point further prioritizes the candidate set based on buffer status reporting frequency of the UEs to select one of the UEs as the D2D communication master for the D2D communication group.
Interconnecting device and IOT system using the same
The disclosure relates to an interconnecting device and system of IOT (Internet of Things). The interconnecting device is configured to interconnect different IOT platforms or interconnect a IOT platform with a robot. The interconnecting device comprises a hardware and a software comprising a control module, a communication module and a conversion module. The conversion module is configured to convert the message between different IOT platforms or between the IOT platform and the robot. The system of IOT comprises at least one IOT platform and the interconnecting device. The interconnecting device can interconnect different IOT platforms or interconnect a IOT platform with a robot conveniently.
Method for processing received PDCP PDUs for D2D communication system and device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for processing received PDCP PDUs for D2D communication system, the method comprising: establishing a PDCP (Packet Data Convergence Protocol) entity for transmitting a PDCP PDU (Protocol Data Unit) to a peer UE; receiving a PDCP SDU (Service Data Unit) from an upper layer; setting a COUNT for the PDCP SDU using a fixed value and a PDCP Sequence Number (SN) associated with the PDCP SDU; ciphering the PDCP SDU using the COUNT; generating a PDCP PDU including the PDCP SDU and a header including the PDCP SN of the PDCP SDU; and transmitting the PDCP PDU to the peer UE.
Cloud phone notifications
This relates to a method of sending data, such as documents, notifications, alerts, and messages, from a first wireless device to a second wireless device through a wireless connection, such as WiFi, when the limitations of Bluetooth capabilities are exceeded. The method of sending data can include, for example, the first wireless device storing the data on a remote server in a cloud computing system, and the second wireless device accessing the stored data from the remote server. The wireless devices can be configured to detect when another wireless device is out of physical range, when there are too many devices sharing the connection, if the environmental conditions are unsuitable, or if a device has powered down, for example. Additionally, the user or application may require a higher data transfer rate or a more secure connection.
Mobile communication system, user terminal, processor, and base station
A mobile communication system, which supports D2D communication that is direct device to device communication, comprises: a user terminal that transmits a discovery signal that is used for discovering a communication partner terminal in the D2D communication, wherein the user terminal transmits the discovery signal when the user terminal accepts start of communication and the user terminal has difficulty to establish a connection with a base station.
Method and device for data communication in a network
The invention relates to a communication device and a method of sending data over a communication network. The communication device includes a controller for accessing the network using contention type access mechanism based on computation of back-off values, and includes a plurality of traffic queues for serving data traffic at different priorities. The controller includes a plurality of back-off engines, each associated with one traffic queue and configured to compute a back-off value in accordance with the priority of the associated traffic queue. One or more back-off engine may be adjusted to prevent the back-off value of such back-off engine to reach zero. When an access to the network is obtained for the device. a traffic queue may be selected based on its associated back-off value, and data may be transmitted from the selected traffic queue.
System and method for uplink grant-free transmission scheme
A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
Signal processing method for low-cost device, and apparatus for same
The present invention relates to a wireless communication system. The present invention relates more particularly to a method and an apparatus for receiving a downlink signal by a device in a wireless communication system, the method comprising the steps of: receiving from a subframe a first PDCCH comprising scheduling information about first common data; receiving from the subframe a second PDCCH comprising scheduling information about second common data; and, on the basis of Ta, a TB size of the first common data and Tb, a TB size of the second common data, controlling a procedure for receiving downlink data from the subframe, wherein if T1
Method and an apparatus to control scheduling
A method of scheduling resources in a communications link wherein a scheduling request is transmitted from a first entity to a second entity including determining if any of the following conditions exist: the time elapsed since the last scheduling request exceeds a designated time; the up-link requirement exceeds a predetermined level; or semi-persistent scheduling exists; and if so, suppressing the transmission and/or triggering of scheduling requests.
Wireless communications method, wired transmission detection method, and related device and system
A wireless communications method is provided. The method includes acquiring, by a policy and charging rules function (PCRF) entity, a first parameter, a second parameter, and state information of a current service of a base station; determining, according to the first parameter and the second parameter, and with reference to the state information of the current service of the base station, whether a condition for guaranteeing quality of service (QoS) of a service is satisfied; and if it is determined that the condition for guaranteeing the QoS of the service is satisfied, permitting providing a user equipment with the first service having a corresponding QoS guarantee; or if it is determined that the condition for guaranteeing the QoS of the service is not satisfied, performing a first operation. The method is applied to the field of communications.
Method for detecting data transmission and data reception, and base station and user device
A non-orthogonal method for detecting data transmission and data reception, and base station and user device, relating to communication technology; when the base station sends data, first multiplying a plurality of data by means of by a weighted value and/or implementing conjugate processing, then mapping the data onto physical resources, the amount thereof being no greater than the amount of data, each data in the plurality of data resources being mapped to at least one physical resource, and the amount of physical resources each data is mapped to not being completely the same; and then sending the data on the physical resources, thereby sending more data by means of less physical resources, improving the data transmission capacity of a communication system.
Communications in a wireless network for carrier selection and switching
Communications in a wireless network for carrier Selection and switching are provided. A terminal in the wireless network is simultaneously receiving data on at most m carriers. A base station in the wireless network sends an activation command associated with more than m carriers to the terminal. The terminal activates the more than m carriers. Then the base station selects a first subset from the activated carriers, and sends a first monitoring command associated with the first subset via a first physical-layer signaling to the terminal. When load and/or interference situations are changed, the base station selects a second subset from the activated carriers, and sends a second monitoring command associated with the second subset via a second physical-layer signaling to the terminal, wherein the first subset is different from the second subset.
Variable frequency data transmission
A system is disclosed comprising a transceiver, transcoder, memory, and a processor for receiving raw data, partitioning the raw data into substrings of predetermined length, assigning each substring to a corresponding predetermined frequency based upon a data set or first lookup table based on the substring's given pattern, and transmitting said frequency using an antenna. Embodiments include a compression component for receiving raw data as input, breaking the raw data into subsets of predetermined length, comparing the raw data to a second lookup table, the second lookup table comprising all possible bit patterns for a file of the length of the raw data, wherein the possible bit patterns are partitioned in n-bit partitions, the n-bit partitions having a corresponding assigned value, the values of which are assembled by a given function so as to produce a code for each possible bit pattern.
Node device and method of allocating resources in wireless sensor networks
A method of allocating resources in a multi-hop wireless sensor network includes (A) when two arbitrary adjacent links among links connecting all nodes have a violation relationship where the two arbitrary adjacent links occupy the same time slot, by a network coordinator node, allocating different time slots to the two arbitrary adjacent links according to a resource allocation request command message from each of nodes configuring the multi-hop wireless sensor network, (B) when two arbitrary links which are not adjacent to each other among the links are within a communication distance, by the network coordinator node, allocating different frequency channels to the two arbitrary links, and (C) when resource allocation for all of the links is completed according to steps (A) and (B), checking whether an end-to-end maximum allowable time required by each of paths established by the links is satisfied.
Communication method, communication device, and computer program
In order to solve a problem of an accumulation on the transmission side, a delay on the reception side, and the like at the time of transmission in a communication system such as a wireless LAN system, each communication station in a network transmits a beacon in which information with respect to the network is written and sets a state in which a reception operation is performed during periods of time before and after the transmission of the beacon signal when performing access control not to make communication timing of a packet collide with that of another station by detecting a signal transmitted from another station. With performing such processing, a system can be formed based on minimum level of transmission and reception operation when transmission and reception data does not exist in each communication station in the network, and also a data transfer can be performed with latency as small as possible in a minimum necessary level of transmission and reception operation by making a transition of a transmission and reception state in accordance with a fluctuating volume of transmission and reception data.
Concept for bidirectional data transmission between a base station and a node
Embodiments of the present invention provide a base station including bidirectional data transmission to a node. The base station has a receiver for receiving a data packet transmitted by the node at a node transmission frequency, the node transmission frequency being derived from a frequency generator of the node. In addition, the base station has a determiner for determining the node transmission frequency based on the data packet received and for determining a deviation of the frequency generator of the node based on a frequency deviation between the determined node transmission frequency and a set node transmission frequency associated to the node. Furthermore, the base station has a transmitter for transmitting a data packet to the node at a base station transmission frequency, the transmitter for transmitting the data packet being configured to set the base station transmission frequency based on the determined deviation of the frequency generator of the node.
Method for transmitting and receiving control information for device-to-device (D2D) communication in wireless communication system and apparatus therefor
The present invention relates to a method and an apparatus for receiving control information of a terminal for device-to-device (D2D) ProSe in a wireless communication system. Specifically, the method comprises the steps of: receiving information on radio resources which are semi-statically configured for device-to-device proximity service (D2D ProSe); and receiving downlink control information (DCI) indicating whether or not D2D ProSe is activated on a specific radio resource of the radio resources, wherein the downlink control information is available only in a search procedure in which a resource for transmitting a terminal-specific search signal is allocated.
Method and device for sending and receiving downlink control information
Disclosed are a method and a device for sending and receiving downlink control information. The method comprises: discrete user-specific search space is determined, control channel resources corresponding to the discrete user-specific search spaces being distributed discretely; and the downlink control information on the discrete user-specific search space is sent. Through the disclosure, the diversity effect of sending physical downlink control information is improved.
User equipment relay status reporting
A wireless device is configured to function as a relay on behalf of a donor access node. The wireless device requests to send a buffer status report to the donor access node. The donor access node grants this request with an allocation of air-interface resources. The wireless device responds to the grant by sending a short buffer status report. This short buffer status report is associated with a logical channel group that indicates the buffer status report is communicating the status of the wireless device as a relay, and thus is not asking for additional resource allocations. The buffer size field of the short buffer status report may also, or alternatively, be used to indicate the status of the wireless device functioning as a relay, or other information such as the number of other wireless devices being relayed by the wireless device.
Communication control device, communication control method, and terminal device
There is provided a communication control device including a radio communication unit which communicates with one or more terminal devices in a cell over a channel in which a link direction is allowed to be dynamically set for each sub-frame which is a unit of time in radio communication, and a control unit which controls allocation of communication resources to the terminal device based on the setting of the link direction of the channel and a location of the terminal device in the cell.
Method and apparatus for transmitting device-to-device related information in wireless communication system
A method and apparatus for transmitting device-to-device (D2D) related information in a wireless communication system is provided. A user equipment (UE) transmits a D2D-related identifier (ID) to a network during a radio resource control (RRC) connection establishment procedure, and transmits D2D-related group information to the network.
Communication device, control method and storage medium
A communication device joins a wireless network and performs direct communication with another communication device that has joined the wireless network. The communication device performs, while performing direct communication with a first other communication device, determination of at least one of whether the communication device is performing direct communication with a second other communication device that is different from the first other communication device or whether the first other communication device is performing direct communication with a third other communication device. The communication device restricts switching of a channel for the direct communication with the first other communication device if the communication device is performing direct communication with the second other communication device or if the first other communication device is performing direct communication with the third other communication device.
Interference mitigation in an accessory for a wireless communication device
A method in a wireless communication terminal includes receiving configuration signaling for transmitting on a first set of radio resources wherein transmitting only on the first set of radio resources leads to a time-domain periodic repetitive pattern of transmissions from the terminal in a transmission interval that causes interference to a companion device communicably coupled to the wireless communication terminal. The terminals selects a second set of radio resources for transmitting on in the transmission interval such that transmissions on a combination of the second set of radio resources and the first set of radio resources does not lead to a periodic repetitive pattern of transmissions from the terminal in the transmission interval.
Alert peripheral for notification of events occurring on a programmable user equipment with communication capabilities
An alert peripheral device that provides sensory notification to a user of the device includes: a power subsystem; a communication mechanism by which notification signals is received from a first user equipment (UE) that generates and transmits the notification signals in response to detection of specific events at the first UE; and a response notification mechanism that provides a sensory response of the peripheral device following receipt of a notification of a detected event (NDE) signal. The device further includes an embedded controller coupled to each of the other components and which includes firmware that when executed on the embedded controller configures the embedded controller to: establish a communication link between the communication mechanism and the first UE; and in response to detecting a receipt of the NDE signal from the first UE, trigger the response notification mechanism to exhibit the sensory response.
Systems and methods are provided to support hypernumber portability for a hypernumber number corresponding to an electronic device. The electronic device may include an installed application to facilitate hypernumber portability. To this end, when the electronic devices connects to a wireless network, the electronic device may request a vehicle identification. If the wireless network is a vehicle-based network, the electronic device may receive the vehicle identification from an on-board node. When the received vehicle identification indicates that the electronic device has changed locations, the electronic device may communicate with a hypernumber database and/or a hypernumber server to update a dynamic phonebook. As a result, as the electronic device traverses a transport network, the dynamic phonebook may maintain updated location and call routing information for the electronic device.
Transmission method and access point applied to a cooperative transmission
The present disclosure provide a transmission method and a device, which relate to the technical field of communications and reduce overhead and improve work efficiency in an application of cooperative transmission in aspects of synchronization, sharing of information such as data and the like, obtaining of channel information and data transmission. Meanwhile application scenarios may also be extended. The method specifically includes: obtaining, by an access point AP, a parameter value, wherein the parameter value is a frequency difference between a crystal oscillator frequency of the AP and a reference crystal oscillator frequency of a reference AP or a delay difference of the AP with respect to the reference AP; compensating, by the AP, a phase difference or a time difference according to the parameter value when both of the AP and the reference AP send data. The present disclosure is applied to an application of a cooperative transmission.
Method and system for precise temperature and timebase PPM error estimation using multiple timebases
Methods and systems for precise temperature and timebase ppm error estimation using multiple timebases may comprise measuring a temperature corresponding to the plurality of timebases. The frequencies of the timebases may be compared to generate error functions for the timebases, and generating a more accurate reading of the temperature based, at least in part, on the measured temperature and the error functions for the timebases. The timebases may be calibrated utilizing the generated more accurate reading. The plurality of timebases may comprise different order temperature dependencies. The models of temperature dependencies of each of the plurality of timebases may be updated based, at least in part, on the fine reading of the temperature corresponding to the plurality of timebases. A global navigation satellite system (GNSS) clock signal may be utilized periodically to improve the accuracy of the calibration of the plurality of timebases.
Efficient usage of internet services on mobile devices
Communications systems including multiple computer devices where: (i) for a set of computer devices, used by a common user, it is determined which computer device the user is most actively using; and (ii) an operational mode of a “wireless service” (see definition, below) on one of the other computer devices (that is, a non-most-active computer device) is changed in its operational mode. For example, if a user has two smart phones and the user's first smart phone is determined to be more active than the second smart phone, then on the second smart phone (that is, the non-most-active computer device) a social media home page updating service is turned off. In some embodiments, the change from first operational mode to second operational mode will mean that wireless transceiver hardware (such as an antenna) is turned off for the non-most-active device(s).
Substantially continuous location logging for geographic-positioning capable devices
In one embodiment, a mobile computing device has a first processor and a second processor. The mobile device determines an operating condition of the mobile device, the operating condition being based on at least the current time of day, a current activity of a user associated with the mobile device, or a current proximity of the mobile device to a place connected to the user of the mobile device through an on-line social network. If the operating conditions of the mobile device are satisfied, the first processor of the mobile device sends a message to the second processor of the mobile device, the message causing the second processor to transition from a sleep state to an active state.
Method of receiving signal based on signal quality in device to device (D2D) communication
One disclosure of the present specification provides a method of receiving a signal based on signal quality in a device to device (D2D) communication. The method may include: receiving a signal from the other terminal; measuring signal quality for each of a plurality of physical resource block (PRB) regions included in a frequency region in which the signal can be received; choosing a candidate PRB region for which demodulation is performed among the plurality of PRB regions on the basis of the measured signal quality; and performing demodulation on the candidate PRB region.
Apparatus and method for controlling power in a communication system
An apparatus and method for controlling power in a communication system are provided. The method includes amplifying an input signal by a second processor farther from an antenna than a first processor, and determining whether to enable or disable each of the first processor and the second processor based on results from the amplification by the second processor. Another method includes amplifying an input signal from an antenna by a second processor electrically farther from the antenna than a first processor, and determining whether to operate the first processor and the second processor based on a value related to a reception state for the amplified signal by the second processor.
Method for power-saving in electronic device and electronic device thereof
Provided is a method and apparatus for reducing an amount of power consumed in an electronic device. The electronic device includes a first processor and a second processor. The second processor bypasses at least one of a user input and a screen output with respect to the first processor, and stores screen data input from the first processor in a frame buffer, while the second processor executes a bypass operation. The first processor processes at least one of a user input and a screen output, through the second processor that executes the bypass operation, and when a specified power-saving operation entry condition is satisfied, the first processor changes the second processor into a processing operation and changes into a sleep operation. The second processor processes at least one of a user input and a screen output using screen data stored in the frame buffer during the processing operation.
Techniques for provisioning configuration information based on cell characteristics
Techniques are described for configuring wireless service for a user equipment (UE) in a wireless communications network in which the UE may be served over one or more of multiple available cells. Wireless service for the UE may be configured based on parameters associated with each of the multiple cells, such as, for example, a primary/secondary cell designation of a cell, whether the cell operates using a licensed or an unlicensed radio frequency spectrum band, a radio access technology associated with a cell, and/or an operating frequency band of a cell. Based on the parameters for each cell, one or more cell configurations for serving the UE may be provided. The cell configurations may identify, for example, a set of rules that control how much and/or what type of traffic is sent on different cells.
Communication control method, terminal device, server device, and communication system
There is provided a communication system that performs a service based on ProSe under the management of a communication provider. A ProSe application code for discovering and detecting a proximity terminal is managed and a process based on a procedure associated with a ProSe service such as an announcement request, a monitoring request, or a match report request is performed based on the authentication of a server device operated by a communication provider. Means for invalidating the ProSe application code based on the policy of the communication provider is provided.
Method for transmitting and receiving downlink channel for MTC terminal, and apparatus therefor
The present invention relates to a method and an apparatus for a base station transmitting a downlink signal for a machine-type communication (MTC) terminal. More specifically, the present invention relates to a method for transmitting and receiving PBCH, PRACH, PDSCH, PDCCH or EPDCCH for a low cost and enhanced coverage MTC terminal, and an apparatus therefor. Particularly, provided are an apparatus and a method for a base station transmitting a control channel, the method comprising the steps of repeatedly transmitting a control channel comprising control information, and repeatedly transmitting downlink data channel (PDSCH) on the basis of information for a subframe ending the control channel being repeatedly transmitted.
Supporting device-to-device communication in a rich communication service context
Methods, apparatus and articles of manufacture to support device-to-device communication in a rich communication service context are disclosed. Some example methods disclosed herein include sending, to a network node, first device-to-device capability information for a first device, the first device-to-device capability information being associated with device-to-device functionality supported by the first device, and receiving, from the network node, second device-to-device capability information for a second device associated with a contact stored in the first device, the second device-to-device capability information being associated with device-to-device functionality supported by the second device. Other example methods disclosed herein include receiving, from a first device, first device-to-device capability information for the first device, and sending, to the first device, second device-to-device capability information for a second device associated with a contact stored in the first device.
Methods for transmitting and receiving information and associated IoT apparatus
A method for transmitting information is disclosed, including: writing at least a portion of the information to at least one multicast Internet Protocol (IP) address field; and transmitting at least a packet according to the at least one multicast IP address field. Even when the wireless network environment is encrypted, information can be transmitted to desired devices in the sniffer mode.
Apparatus and method for autorizing access to a service according to device proximity
A device and a method for authorizing access to a service on a first device upon detection of a second device located in near proximity, while preferably using broadcast transmission, is disclosed. The second device broadcasts on a second broadcast network a message comprising at least a group identifier common to the set of devices that can access the service and a time reference value corresponding to the emission time of the message, according to a common time reference received by all devices from a first broadcast network. The first device authorizes access to the service only if the group identifier received from the message is the same as the group identifier of the device and if the delay between the measured arrival of the message and its emission time is lower than a threshold.
Data forwarding control method and system, controller, and access device
Embodiments of the present invention provide a data forwarding control method and system, a controller, and an access device. The method includes: after receiving a first control request of a first access point AP, obtaining, by a first controller, a network address of the first AP, where the first control request is used to request the first controller to manage the first AP; sending a network address of a first forwarding device to the first AP, instructing the first AP to send user data to the first forwarding device, sending the network address of the first AP and a predefined data forwarding rule to the first forwarding device, and instructing the first forwarding device to forward the user data of the first AP according to the predefined data forwarding rule. The present invention implements control, by a controller, on AP service data forwarding, and improves a WLAN throughput.
A technique is disclosed, according to which a mobile node, having a plurality of interfaces and performing communication according to flow information when an operator is performing communication based on the flow information as defined by a policy, can select an interface suitable for the flow and can perform communication. According to this technique, a mobile node (MN 10) having a plurality of interfaces has a list to indicate domain limited flows to be transmitted only within a specific network (a trusted network), and a list to indicate the trusted networks. When a certain interface performs handover, and in case there is a domain limited flow that uses the interface, it is decided whether the network of handover destination is a trusted network or not, and in case the network of the handover destination is not a trusted network, it is decided whether it is possible or not to transmit and receive the domain limited flow via another interface that is connected to the trusted network.
Mobile telecommunications system
A method of processing a handover request from a base station controller (BSC) of a GSM (Global System for Mobile communication)-type network. The method comprises the steps of passing a handover request with GSM-type parameters from a base station controller (BSC) through a Master Switching Center (MSC) of the GSM-type network to a UMTS core network (CN) and to a Radio Network Controller (RNC) of the UMTS (Universal Mobile Telecommunications System) network, translating the GSM-type parameters to UTRAN parameters in the Radio Network Controller (RNC), and allocating UTRAN resources in response to the translated parameters.
Location processing in small cells implementing multiple air interfaces
A heterogeneous network which supports multiple communication technologies (e.g., communication in accordance with multiple air interface standards) in a unified architecture can provide near-term solutions to capacity problems. Specifically, in one embodiment, a heterogeneous network that includes both macro-base cells and pico cells and that incorporates longer range wireless air interfaces (e.g., second, third, or fourth generation wireless air interface standards) and shorter range wireless air interfaces (e.g., Wi-Fi) can be provided. Such a heterogeneous network can include the coordination of security, quality of service, assessment of mobility of user equipment, authentication, provisioning systems, and location information.
Wireless communication system to redirect use equipment (UE) from a wireless relay to a donor base station
A wireless communication network to redirect User Equipment (UE) to a donor base station, wherein the donor base station wirelessly serves a wireless relay and the UE, and the wireless relay wirelessly serves the UE. The wireless relay wirelessly exchanges user data with the UE using an established data bearer. The wireless relay detects that the data bearer is a Guaranteed Bit Rate (GBR) data bearer and in response, determines that the GBR data bearer is associated with a delay measurement that exceeds a delay measurement threshold. The wireless relay identifies a UE location and UE management data and determines that the donor base station is capable of serving the UE based on the UE location and the UE management data. The wireless relay wirelessly transfers an instruction to the UE redirecting the UE to exchange additional user data with the donor base station.
Method, apparatus for configuring neighboring cell, and for reporting neighboring cell information
The embodiments of the present application provide a method for configuring a neighboring cell, and for reporting neighboring cell information. The embodiments of the present application can implement automatic configuration of neighboring cell information, which does not require manual test and configuration of a live network.
Reducing signaling during AP to AP handoff in dense networks
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a STA. The STA communicating with a first AP based on a key. The STA receives an identifier broadcasted from a second AP. The STA determines whether the key can be used with the second AP based on the received identifier. The STA selects the second AP upon determining the key can be used with the second AP. The STA requests a transfer of association context information from the first AP to the second AP. The key may be a PTK. The PTK may be a function of the identifier. The identifier may be a zone identifier identifying a set of APs that belong to a security domain in which the association context information of the STA can be transferred from one AP to another AP.
Method for accessing a service unavailable through a network cell
A method performed by user equipment (UE) includes receiving a request to access a service unavailable through a first network cell associated with the UE, and receiving a message from an access device associated with the first network cell, wherein the message identifies a plurality of second network cells providing the service.
Network handover method, device, and system
The present invention discloses a network handover method, where in a process of implementing circuit switched fallback, handover from an LTE network to a 2G or 3G network is triggered, so that UE can be directly handed over from the LTE network to a CS domain of the 2G or 3G network, and the network or the UE uses a session generated in the process in which the called party is handed over from the LTE network to the CS domain of the 2G or 3G network. Therefore, a common called procedure does not need to be performed after the UE is handed over from the LTE network to the 2G or 3G network, thereby shortening time for which a user waits before the voice session is connected.
Systems and methods for single radio voice call continuity in a multi-line, multi-device service environment in a communications network
Communication systems and methods suitable for use in a Multiple Line Multiple Device service environment, involving a native line and a second shared line, are disclosed. Logic at one or more nodes and application servers is configured to ensure that network handover data, or other information, is only updated for the native line registration but not the shared line. Then when a call is placed or received on the shared line, the call is anchored to the native line based on that network handover data. If, during that call, a request is received to handover the call from a first network having a first communication protocol to a second network having a second communication protocol, the handover occurs based on the anchored native line. In one example embodiment the first network is a Packet Switched network and the second network is a Circuit Switched network.
Steering of roaming in LTE and legacy network environment
The present invention is directed towards a method and system for redirecting roaming network traffic in an LTE network. The method includes observing a registration process of a subscriber in a visited network. The method further includes sending one or more messages to the visited network to induce a re-registration attempt by the subscriber to another Radio Access Technology (RAT) network of the same visited network. The method further includes applying one or more legacy steering techniques to move the subscriber to a target visited network.
Method, system, and device for user detachment when a handover or change occurs in heterogeneous network
A method for user detachment when a handover or change occurs in a heterogeneous network is provided. The method includes: a user equipment (UE) is handed over or switched from a source network to a target network; a network element on a network side determines whether to detach the UE from the source network, and if yes, the network element on the network side detaches the UE from the source network. A system and a device for user detachment when a handover or change occurs in a heterogeneous network, and another method for user detachment when a handover or change occurs in a heterogeneous network are also provided.
Media service delivery over a wireless relay in a data communication network
A wireless relay serves User Equipment (UE) with a media service that uses a Quality-of-Service (QoS) level. In the wireless relay, Relay Equipment (RE) wirelessly receives a network bearer configuration message indicating the QoS level for the UE and responsively configures a wireless network bearer to use the QoS level for the UE. A relay eNodeB wirelessly transfers an access bearer configuration message to the UE indicating the QoS level and configures a wireless access bearer to use the QoS level for the UE. The relay eNodeB wirelessly exchanges media with the UE over the wireless access bearer using the QoS level. The RE wirelessly exchanges the media with a wireless base station over the wireless network bearer using the QoS level.
Method for processing a packet data convergence protocol service data unit at a user equipment in a dual connectivity system and device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for processing a PDCP SDU in a dual connectivity system, the method comprising: receiving a PDCP SDU (Packet Data Convergence Protocol Service Data Unit) from a upper layer; starting a timer associated with the PDCP SDU; checking whether a certain condition related to the PDCP SDU process is satisfied or not if the timer expires; and discarding the PDCP SDU if the certain condition related to the PDCP SDU process is satisfied.
Methods and devices for controlled data upload in mobile cellular networks
Methods, devices and software enable uploading a file from a user equipment to an Internet storage service server via a mobile cellular network. A method includes (A) uploading sequential chunks of the file from the user equipment via a cell of the mobile cellular network, (B) sending a first message requesting to pause the uploading, to the user equipment upon receiving an indication that the cell is overloaded, (C) storing a length corresponding to the sequential chunks that have been uploaded until the uploading has been paused, and (D) sending a second message requesting to resume the uploading, to the user equipment. The user equipment pauses the uploading upon receiving the first message and resumes the uploading using an offset from the beginning of the file corresponding to the length upon receiving the second message.
System and method for transmission of data from a wireless mobile device over a multipath wireless router
There is disclosed a system and method for transmission of multiple data streams from a mobile device to a network. In an embodiment, the system includes a multipath wireless router configured to provide a plurality of network connections including cellular, satellite, or wired Ethernet. An encoding module provided on the mobile device is configured to encode high volume data (e.g. high definition video) recorded by the mobile device into multiple data streams in dependence on the number of network connections available for transmission via the multipath wireless router. The encoding module provided on the mobile device transmits the multiple data streams to the wireless router using Wi-Fi to provide a local, short-hop, high capacity network connection. The plurality of network connections available via the multipath wireless router provides the necessary capacity and reliability to transmit a high volume of data, such as high definition video, virtually live.
Performance measurement counters for unlicensed frequency bands
A node increments values of performance measurement (PM) counters to indicate characteristics of at least one unlicensed frequency band used for wireless communication during a first time interval. The node provides the values of the PM counters to a controller that is configured to aggregate the values of the PM counters for the node with values of PM counters for other nodes. A controller receives values of PM counters from a plurality of nodes to indicate characteristics of wireless communication by each of the plurality of nodes using the at least one unlicensed frequency band over the first time interval. The controller aggregates the values of the PM counters for the plurality of nodes and modifies a configuration of at least one of the plurality of nodes based on the aggregated values.
Device and method for handling bit allocation
A bit allocation device includes: a channel estimation unit, performing a channel estimation to generate a plurality of channel qualities of a plurality of subcarriers; a processing unit, coupled to the channel estimation unit, generating a first plurality of bit numbers of the plurality of subcarriers according to the plurality of channel qualities; and a control unit, coupled to the processing unit, generating a second plurality of bit numbers of the plurality of subcarriers according to the first plurality of bit numbers and an upper limit of a total bit number.
Congestion based roaming in a wireless local area network
Methods, systems, and devices are described for wireless communications. A device may utilize enhanced roaming techniques to identify a candidate channel for roaming. In one example, a device determines whether a candidate channel is congested by calculating a congestion metric associated with traffic over the shared channel. In some examples, the congestion metric is calculated based at least in part on an amount of energy measured over the candidate. For instance, the calculated congestion metric can be an instantaneous congestion level measured during a CCA. The device may then determine whether to roam to the candidate channel based at least in part on the calculated congestion metric.
Device and method for performing communication via a plurality of component carriers
A device enabling a frequency band shared between wireless communication of a cellular system and other wireless communication to be more appropriately used in the cellular system. The device includes a control unit configured to occupy a frequency band shared between wireless communication of a cellular system and other wireless communication for the wireless communication of the cellular system during a first period and release the frequency band from the wireless communication of the cellular system during at least a second period corresponding to the first period.
Method and apparatus for managing network sharing
The present invention relates to a method and an apparatus for managing network sharing, where the method includes: acquiring, by an access network element, information about occupation of a resource of an access network element by a network sharing party; and reporting, by the access network element, the occupation information to a core network device, where the occupation information is used by the core network device to charge a user equipment UE that accesses the access network element. By acquiring and reporting information about occupation of a resource of an access network element by a network sharing party, the present invention enables a core network device such as a charging system to perform accurate charging according to the information about occupation of the resource of the access network element by the network sharing party.
Method and system for localizing spatially separated wireless transmitters
A technique is provided for localizing a plurality of wireless transmitters. The technique includes retrieving Received Signal Strength Indicator (RSSI) values measured by one or more sensors, corresponding to the plurality of wireless transmitters distributed in a region in which the sensors are located. The technique further comprises generating, a plurality of clusters based on the retrieved RSSI values. The technique further comprises generating a binary image based on the generated clusters. The binary image comprises one or more white regions and one or more black regions. The technique further comprises localizing position of each of the plurality of wireless transmitters, based on a determination of contours of the one or more white regions present in the binary image.
Method and system for determining that a SIM and a SIP client are co-located in the same mobile equipment
A method and system for determining that a SIM and a SIP client are co-located in the same ME. A SIP server, an SLR, and the ME are communicatively interconnected in the system. The SIM has an IMSI and is arranged in the ME. In the method and system, a security module, SLM-SM, included in SIM, encrypts, using a key, a variable derived from the IMSI, and provides a first password parameter as a result of the encrypting. Further, a SIP client location manager, SLM, included in the ME, receives the ME security code; performs an XOR operation of the ME security code and the identity of the ME, and provides a second password parameter as a result of the XOR operation. The SLR performs a process for SIP client presence and location update for mobile operators MSISDN, including receiving the second password parameter from the SLM via the SIP server, decrypting the second password parameter using the key, performing an XOR-operation of the decrypting result with a seed; comparing the result of the XOR-operation with the IMSI, and upon match, determining that the SIM and the SIP client are co-located in the same ME.
Method for attachment and authentication of a user terminal with a visited network
A method for attachment and authentication of a user terminal of a home type radiocommunication network with a visited type radiocommunication network, the home network including home means for attachment to a packet network and the visited network including: at least one visited base station able to ensure radio transmission and reception with user terminals located in at least one visited cell attached to the visited base station; visited authentication and control means of user terminals able to authenticate the user terminals attached to the network; and at least one visited distribution gateway ensuring radio reception and transmission with the at least one visited base station.
Securing enterprise data on mobile devices
Embodiments include method, systems and computer program products for securing enterprise data in a mobile computing environment. Aspects include receiving a request to access the enterprise data stored on the mobile computing device in an encrypted format and determining whether a decryption key is stored in a cache memory of the mobile computing device. Based on determining that the decryption key is not stored in a cache memory of the mobile computing device, aspects include transmitting a request to an enterprise network for the decryption key and receiving the decryption key and storing the decryption key in the cache memory. Aspects also include decrypting the enterprise data using the decryption key and deleting the decryption key from the cache memory based on a determination that the decryption key has not been accessed for a period of time greater than a threshold time.
Multi-device monitoring and control using intelligent device channel sharing
A physical network address of one of a set of wireless customer-premise monitoring devices is translated to a shared logical device physical network address in response to receipt from an application server of a first data packet addressed to the physical network address. The shared logical device physical network address forms a logical device group and physically addresses each of the set of wireless customer-premise monitoring devices over a single wireless communication channel. The physical network address of the one of the set of wireless customer-premise monitoring devices is embedded within the first data packet addressed to the shared logical device physical network address. The first data packet is sent to the shared logical device physical network address.
D2D signal transmission method and device
Disclosed in the present application is a D2D signal transmission method and device, used for enabling a UE, on the basis of the D2D parameters thereof, to determine a resource hopping pattern between different D2D transmission physical resources, and thereby obtain a plurality of D2D transmission physical resources, such that a D2D UE transmitting a D2D signal at any time in the same sub-frame can subsequently transmit a D2D signal in a different sub-frame, thus improving the overall D2D transmission performance of the system. The method provided in the present application comprises: a first UE, on the basis of pre-set D2D parameters, determines the resource hopping pattern between a plurality of D2D transmission physical resources needed to be used by the first UE; the first UE, on the basis of said resource hopping pattern, determines the plurality of D2D transmission physical resources; and the first UE sends a D2D signal on the determined plurality of D2D transmission physical resources.
Method and apparatus for network-controlled proximity device to device discovery and communication
A method, apparatus and computer program in which an apparatus exchanges wirelessly information with a public land mobile network. The apparatus detects a wireless device to device discovery initiation instruction from the public land mobile network and responsively: sends one or more wireless discovery signal transmissions for a peer device or to monitor wireless discovery signal transmissions sent by a peer device; and directly communicates wirelessly with a peer device that indicates having received the wireless discovery signal transmission or from which the apparatus has detected a wireless discovery signal transmission in result of the monitoring of wireless discovery signal transmissions.
Determining device locations for emergency service calls
A mobile phone or other mobile device is configured to compute a location code based on Wi-Fi or other wireless networking configuration parameters. The location code is computed as a cryptographic hash of the configuration parameters and is provided to a telecommunications system that supports Wi-Fi or other WLAN voice services. The telecommunications system maintains one or more location tables, each of which indicates multiple location codes and corresponding street addresses. When processing an emergency 9-1-1 call to an emergency response service, the system looks up the street address of the calling mobile device based on the most recently provided location code, and provides the street address to the emergency response service.
Method and apparatus of providing messaging service and callback feature to mobile stations
Disclosed are an apparatus and method of performing automated administrative operations on a mobile device. One example method may include determining via a hosted server that an action needs to be performed by a mobile device under management. The method may further include generating a message via the hosted server, the message includes the action, and transmitting the message to the mobile device under management, and receiving a result message from the mobile device under management responsive to the transmitted message, the result message indicating that the action has been satisfied.
Event triggered messaging
Apparatuses, techniques, and methods for a security and/or automation system are described. In some cases, these may include a first user recording a message and the message being broadcast or conveyed to a second user based on the second user's identity and/or location and/or a relevant time of recording or broadcasting, among other things. The methods may include receiving a first communication from a first user, storing the first communication in memory, identifying a second user at a first location, retrieving the first communication from memory, the retrieving based at least in part on the identification of the second user, and conveying the first communication to the second user at the first location.
Smart postal mailbox device
A smart postal mailbox device is disclosed that incorporates a camera and an imaging processing capability. When the device is in place inside a postal mailbox and is activated by a content element being placed in, or removed from, the mailbox, the camera obtains an image of the interior of the mailbox, which it then analyzes by first using pre-processing to correct for geometric distortion. The image is then decomposed using vision related algorithms into a discreet information dataset. This discrete data set is compared to previous data sets using a neural decision tree. If appropriate, the device transmits a message informing a remote user of the current state of the mailbox.
Group communication over LTE eMBMS
A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. In one embodiment, the access information comprises mapping information between the TMGI and the communication group ID.
Communication device and setting device for communicating a plurality of setting values related to a plurality of setting items
A non-transitory computer-readable storage medium may store computer-readable instructions for a communication device, wherein the computer-readable instructions, when executed by a processor of the communication device, cause the communication device to perform: accepting a setting operation performed; establishing a communication session with a first device without accepting a further operation; sending the plurality of setting values to the first device by using the communication session with the first device; disconnecting the communication session with the first device after the plurality of setting values has been sent to the first device; establishing a communication session with a second device without accepting a further operation; sending the plurality of setting values to the second device by using the communication session with the second device; and disconnecting the communication session with the second device after the plurality of the setting values has been sent to the second device.
Vehicle wireless device detection
The disclosure includes an apparatus comprising a diagnostic unit configured to communicate with a rules engine to determine whether a transmission detected in a vehicle is classified as unauthorized wireless device usage based on characteristics of RF signals received by a Detector Module collocated with the vehicle, geographic location data, and, optionally, additional secondary data, such determination being made by an external Rules Engine that is in communication with the Detector Module. The Rules Engine can provide instructions to and modify various threshold values used for preliminary RF signal analysis by the Detector Module.
Position management system, position management apparatus, position management method, and non-transitory computer-readable information recording medium
A position management system manages position information of a second apparatus which carries out wireless communications with a first apparatus that is installed indoors. The position management system determines radio field intensity of radio waves of the wireless communications that are received from the first apparatus when movement of the second apparatus is detected, acquires first position information that indicates a position of the second apparatus estimated based on the determined radio field intensity of the radio waves, and stores the acquired first position information associated with time information.
Localization of a device using multilateration
Systems, apparatuses, and methods are provided for determining the geographic location of an end-user device using a multilateration calculation. The end-user device collects a depth map at a location in a path network. Two-dimensional feature geometries are extracted from the depth map, and a number of control points are identified in the extracted feature geometries. Distances are calculated between the end-user device and the identified control points. Location reference information is received for each identified control point from an external database. A geographic location of the end-user device in the path network is determined through a multilateration calculation using the location reference information of the identified control points and the calculated distances between the end-user device and each identified control point.
Methods and systems for improving accuracy of indoor positioning
A computerized method of improving position measurement of an indoor positioning system (IPS), comprising: gathering a plurality of position samples of a mobile device measured by an indoor wireless device, each of the position samples is indicative of a measured position and a measurement time; receiving a current position sample of the mobile device; for each of the plurality of position samples and the current position sample, determining a time weight, the time weight is higher for samples measured at a later time; for each of the plurality of position samples and the current position sample, determining a signal weight, the signal weight is higher for measured with stronger signal; and estimating a current position of the mobile device by weighting at least some of the position samples with the respective weights.
Categorized location identification based on historical locations of a user device
Techniques determining a categorized location of a user of a user device based at least in part on a set of location and time pairs for the user device are described herein. The set of location and time pairs for the user device include at least one location and time pair that is associated with a communication of the user device over a communication network. In some embodiments, the techniques further predict a location for the user given a specified time and based at least in part on the set of location and time pairs for the user device.
Method of processing user location information based on non-periodic update
A method for processing user location information based on non-periodic update includes at least: requesting installation of a location processing agent controlling a location measurement sensor from the at least one location information providing terminal; receiving a request for approval of at least one location information providing terminal from a location information requesting terminal and providing a link message accepting the approval request of the at least one location information providing terminal; if a request for location of a specific location information providing terminal is received from the location information requesting terminal, requesting the corresponding location information from the corresponding location processing agent; and if the location measurement sensor is successfully controlled by the corresponding location processing agent, receiving location information of the specific location information providing terminal from the corresponding location processing agent.
Dynamic alert system in a facility
Described in detail herein are methods and systems for dynamically transmitting alerts. Sensors disposed in a facility can detect mobile devices roaming around the facility when they are within range of the sensor. The sensor can transmit the location an identification information of the mobile devices to a computing system. The computing system can determine physical objects disposed within a predetermined distance to the mobile devices. The computing system can determine if at least one physical object is of interest to the users of the mobile devices. The computing system can transmit an alert including information associated with the physical object and generate a messaging interface on the mobile devices. The computing system can prompt the users of the mobile devices to input information associated with the physical object. The computing system can dynamically update the database based on the information input associated with the physical object.
Information processing apparatus and information processing method
To cause a specific device to stay in a specific location. An information processing apparatus includes a control unit. The control unit in the information processing apparatus performs control that transmits a stay request to request a stay in a specific location to a first information processing apparatus included in a plurality of information processing apparatuses in a network in which the plurality of information processing apparatuses perform one-to-one wireless communication to be connected to each other. In addition, the control unit in the information processing apparatus performs control that gives an incentive to the first information processing apparatus under a condition that the first information processing apparatus stays in the specific location.
Locating and tracking missing or relocated devices
Host terminals of a device management application (or other mobile application) are configured to obtain a missing devices list from a device management server, and to communicate, via short-range point-to-point communication with an output device, when the output device is within a short-range communication range threshold, to obtain a device identifier of the output device. The device management application compares the device identifier of the output device with device identifiers on the missing devices list, and when such comparison indicates that the output device corresponds to a missing device, marks the output device as a missing device in a tracked device record, and records an approximated location of the output device in the tracked device record. When connected to the device management server, the device management application transmits the tracked device record to the device management server.
Distributed location detection in wireless sensor networks
The wireless sensor network can including a plurality of anchor sensors each including a signal receiver, a processing module, and a transmitter. The signal receiver can be configured to detect a received signal. The received signal can include noise and further can include a transmitted signal from the node when the node is transmitting the transmitted signal. The node can be located at an exact location that is unknown to each of the plurality of anchor sensors. The exact location can be in a region that is known to each of the plurality of anchor sensors. The transmitted signal can be wirelessly transmitted from the node when the node is transmitting the transmitted signal. The wireless sensor network also can include a fusion center. The processing module of each anchor sensor of the plurality of anchor sensors can performs acts. The acts can include determining a probability of whether the node is present at each of a plurality of grid points of the region. The acts also can include determining a local detection determination of whether the node is detected by the anchor sensor based at least in part on the probabilities of whether the node is present at the plurality of grid points. The transmitter of each anchor sensor of the plurality of anchor sensors can send the local detection determination from the anchor sensor to the fusion center. Other embodiments are disclosed.
Adaptive position indicator
Methods, systems, computer-readable media, and apparatuses for determining a position indicator are presented. In some embodiments, position data indicating a position of a mobile device is obtained. A position indicator is determined based on at least one region of a map. The position of the mobile device is located within the at least one region. The position indicator indicates a map-feature-dependent region of the map. The position indicator is provided.
Mobility management may be utilized to effectuate handover and route packets of information to one or more radio access technologies and/or cells/access points based on network, UE conditions, device location, and/or network entity location. Packet routes, device addresses, handover functions, dynamically may be adjusted based on the best radio technology, cell layer, service provider specified criteria, or the like.
Systems, methods, apparatuses, and computer-readable media configured to determine a location of a user, identify the user and provide additional services based on the determined location and/or identity are provided. In some examples, a signal emitted from a beacon may be detected by a personal computing device of a user within a predefined proximity of the beacon. The location of the beacon, and the device detecting the signal, may be determined and the identity of the user associated with the device may be determined. Authentication information may be requested from the user. The request for authentication information may be transmitted to the personal computing device and the user may provide the authentication information via the device. If the received authentication information matches pre-stored authentication information, the user may be authenticated and/or authorized to conduct one or more transactions or types of transactions based on the determined location, identity, and authentication information.
Application routing configuration for NFC controller supporting multiple NFCEEs
The present document relates to Near Field Communication (NFC). In particular, the present document relates to the routing of application related information in a system comprising multiple NFC Execution environments (NFCEE). A method for identifying an application on an NFC enabled device (200) comprising a plurality of NFC execution environments (204, 205, 206, 207) is described, wherein the application is hosted by one of the plurality of NFC execution environments (204, 205, 206, 207). In one aspect an example method comprises: receiving an external request for accessing the application over an air interface (202) of the NFC enabled device (200); forwarding the request to more than one of the plurality of NFC execution environments (204, 205, 206, 207); receiving more than one response to the request from the more than one of the plurality of NFC execution environments (204, 205, 206, 207), respectively; and analyzing the more than one response to identify a positive response indicating that the application is hosted by a corresponding one of the plurality of NFC execution environments (204, 205, 206, 207).
Intelligent machine-to-machine (IM2M) devices
An intelligent machine-to-machine (iM2M) device may collaborate with other devices to perform functions. An iM2M device may determine if it has the necessary resources to respond to a request. Upon determining that the resources needed to provide a response to the request are not available in the iM2M device, the iM2M device may negotiate with other devices in order to obtain a response to the request and/or resources to respond to the request. The other devices may send respective responses and/or resource back to the iM2M device. The iM2M device may, in turn, respond to the request.
Binaural sound reproduction system having dynamically adjusted audio output
A binaural sound reproduction system, and methods of using the binaural sound reproduction system to dynamically re-center a frame of reference for a virtual sound source, are described. The binaural sound reproduction system may include a head-mounted device, e.g., headphones, having a device sensor to provide device orientation data corresponding to a direction of the head-mounted device. The system may use the orientation data to determine whether the head-mounted device has moved over an angle within a range of movement, and may adjust an audio output to render the virtual sound source in an adjusted source direction based on the range of movement. Other embodiments are also described and claimed.
Hearing aid configuration detection
A hearing aid includes: a first module accommodating first circuitry; a second module accommodating second circuitry; and an interconnecting member configured for interconnecting the first circuitry with the second circuitry; wherein the second circuitry comprises a memory for storing data relating to a configuration of the second module including the second circuitry, and data communication circuitry configured for transmission of the data relating to the configuration from the memory to the first circuitry.
Methods, systems, and device for remotely-processing audio signals
Disclosed herein are methods, systems, and devices for remotely-processing one or more audio signals received at a hearing device. An example method includes a hearing device receiving from a media device a command to send to the media device an audio signal. Responsive to at least the command, the method includes the hearing device sending to the media device the audio signal. The method also includes the hearing device receiving from the media device a remotely-processed signal. Data included in the remotely-processed signals is based on audio data included in the audio signal. Based on at least the remotely-processed signal, the method includes the hearing device generating a stimulation signal and using the stimulation signal to deliver at least one stimulus to a recipient of the hearing device.
VSR surround sound tube headphone
A Closed Loop Headphone Apparatus with 1, 2, 3, 4, 5, 6, 7 or more built-in speakers and 2 Ear Openings, which go around the head of the user and imparting real surround sound emitted from each ear opening.
Audio signal correction and calibration for a room environment
Disclosed are an apparatus and method of processing an audio signal to optimize audio for a room environment. One example method of operation may include recording the audio signal generated within a particular room environment and processing the audio signal to create an original frequency response based on the audio signal. The method may also include identifying a target sub-region of the frequency response which has a predetermined area percentage of a total area under a curve generated by the frequency response, determining whether the target sub-region is a narrow energy region, creating a filter to adjust the frequency response, and applying the filter to the audio signal.
System and method for an acoustic transducer and environmental sensor package
According to an embodiment, a transducer package includes a circuit board including a port, a lid disposed over the port, an acoustic transducer disposed over the port and including a membrane, and an environmental transducer disposed at the circuit board in the port. The lid encloses a first region, and the membrane separates the port from the first region. Other embodiments include corresponding systems, apparatus, and structures, each configured to perform the actions or steps of corresponding embodiment methods.
A headphone includes a baffle plate, a driver unit attached to the baffle plate, a housing forming a back cavity at a front side of the baffle plate and the driver unit, and an ear pad attached to a peripheral edge portion of the baffle plate at a front side and forming the front cavity at the front side of the baffle plate, and the baffle plate includes at least one through hole that allows the back cavity and the front cavity to acoustically communicate with each other. The sound wave emitted from the driver unit to the back cavity passes through the through hole and cancels a low-frequency range sound wave of a sound wave emitted from the driver unit to the front cavity, so that sound quality in a low-frequency range is improved.
Combined microphone and lighting device and computing device having same
A computing device may include a multi-functional port in a base housing of the device. The multi-functional port may include an audio input device that can receive and process external audio input signals through an opening in the base housing. The multi-functional port may include a light source that can output light through the opening in the base housing. The multi-functional port may include a microphone boot. The microphone boot may guide external audio input signals into to the audio input device for processing. The microphone boot may also guide light, emitted by the light source, out of the base housing.
Electronic device including a speaker assembly
Disclosed herein is an electronic device. In an embodiment, the electronic device may include a body, a display combined with the front of the body, and a speaker assembly embedded on at least one side of the body, wherein the speaker assembly may include a casing configured to form an external appearance and a speaker unit combined with the casing and configured to have at least part of an element of the speaker assembly exposed to an outside of the casing.
Waterproof sound-permeable membrane, waterproof sound-permeable member, and electronic device
The waterproof sound-permeable membrane of the present disclosure is a waterproof sound-permeable membrane adapted to permit passage of sound and prevent ingress of water. The air permeability of the waterproof sound-permeable membrane, as expressed by Gurley number, is 20 seconds/100 mL or more. The water entry pressure of the waterproof sound-permeable membrane is 500 kPa or more. When a tensile strength at break of the waterproof sound-permeable membrane in a MD direction is denoted by T1 and a tensile strength at break of the waterproof sound-permeable membrane in a TD direction orthogonal to the MD direction is denoted by T2, a strength ratio (T1/T2) is in a range of 0.5 to 2.0.
External pass-through filters for optical micronodes and related assemblies and methods
Assemblies include a micronode having an optical connector, a coaxial connector port and a housing that includes a plurality of mounting bores. The assembly further includes a filter having a housing that underlies the micronode housing, the filter housing including a plurality of mounting bores, the mounting bores of the filter housing aligning with the mounting bores of the micronode housing. The filter further includes a first optical connector configured to receive an optical drop cable, a second optical connector configured to receive an optical cable and an optical pigtail cord that is connected to the optical connector of the micronode.
Apparatus, method and computer program for enabling information to be provided to a user
An apparatus, method and computer program wherein the apparatus comprises: processing circuitry; and memory circuitry including computer program code; the memory circuitry and the computer program code configured to, with the processing circuitry, cause the apparatus at least to perform; obtaining information from a plurality of sensor devices wherein a first type of information is obtained in notifications and a second type of information is obtained in messages; using information obtained in notifications to select which information obtained in messages is to be provided to a user; and enabling the selected information obtained in messages to be provided to a user.
Method and system for watermarking content prior to fragmenting
In a method of distributing content in plural fragments, each fragment being no longer than a given maximum fragment length, a method of watermarking the content prior to fragmenting the content into the plural fragments, comprising watermarking a given payload symbol from a given alphabet in a given segment of the content, and treating a segment prior to or following the given segment as an intermediary segment, the length of this intermediary segment being substantially equal to or greater than the maximum fragment length.
Vehicle entertainment system capable of wireless reception of media content
A mobile entertainment system, comprising: a video system in combination with a media source, the video system and media source are attached to a housing secured within an automobile; the media source includes a storage medium upon which audio and video media content is stored for display upon the video system as desired by a user; an access point configured for wireless retrieval of audio and video media content for display upon the video monitor; a remote library of audio and video media content in wireless communication with the media source via the access point, the remote library including storage space for uploading of media content from a personal collection of audio and video media content from a user for subsequent transmission to the media source.
Apparatus and method for managing a personal channel
The present invention relates to an apparatus (100), a video system, a method and a corresponding computer program and a computer readable medium for managing a personal channel (210) of a user (200). The apparatus (100) is configured to identify a personal channel data piece that specifies a content item that the user (200) of the personal channel might not like anymore. The apparatus (100) then suggests (142) to the user (200) to delete the corresponding identified personal channel data piece and thus assists the user (200) in keeping a clear personal channel (210).
Television system, television set and remote controller
In response to an operation such as power-on or power-off, channel change and sound volume change, a television set combined with a personal computer automatically makes e-mail with information in a predetermined format indicative of the operation attached. The e-mail is automatically sent to another television set to inform the other television set of operation of the own television set. On the other hand, the e-mail can be sent to a rating company for audience share survey. The television set automatically reads the received e-mail and attachment to change the indication of display. The television set has storage of the received information for analysis of an abnormality. Abnormality can be also sensed through abnormal act on the remote controller apt to be taken by a person in panic or off the truck. The television set refuses information from unknown address for blocking an attack of a stranger.
Method and device for encoding a captured screenshot and controlling program content switching based on the captured screenshot
A method and device for encoding a captured screenshot and controlling program switching on an electronic device based on the captured screenshot. The method includes the electronic device performing: capturing from a display a screenshot of a playing program or display content with a stored image data frame; encoding the image data frame of the screenshot, afterwards storing the encoded image data frame of the screenshot; retrieving program information data of the screenshot from a program database; embedding retrieved program information data of the captured screenshot into the encoded image data frame to form an embedded encoded image file. The embedded encoded image file enables the first electronic device or a second electronic device to directly switching to start playing the program or displaying the content on the electronic device according to the captured screenshot.
Method for controlling network media information publication, apparatus, and server
A method for controlling network media information publication, an apparatus and a server are provided. More than one piece of network media information may be pre-downloaded. When a video is played, a stagnation event of the video is detected. When a stagnation event occurs, a frame picture related to the stagnation event is read. A degree of similarity between the frame picture and each piece of network media information is calculated. A piece of network media information having a highest degree of similarity with the frame picture is selected; and the network media information is displayed on a current playing interface. In this way, a click-through rate and a transformation rate of network media information, and the amount of attention given to network media information when a network bandwidth condition is not good can be increased.
Information processing device and method of controlling information processing device
An information processing device accepts an instruction to set a buffer size of a receiving buffer in which segment data obtained by dividing content data including at least one of video and audio is recorded, determines, among a plurality of pieces of segment data to be acquired, the segment data to be acquired based on a free capacity of the receiving buffer of the buffer size relating to the setting instruction, acquires the segment data to be acquired from an external device, and records the acquired segment data in the receiving buffer.
Signal processing apparatus and signal processing method
A signal processing apparatus includes: a signal input unit that receives inputs of a plurality of signals, the plurality of signals having a first temporal order different from each other; a transmission unit that sequentially transmits the plurality of signals as data to outside of the signal processing apparatus; and a reception unit that receives a plurality of output signals from outside of the signal processing apparatus, the plurality of output signals being generated by processing the data, the plurality of output signals having a second temporal order corresponding to the first temporal order.
Predictive storage of broadcast content
A server device may determine content prediction parameters associated with multiple items of content; generate respective content prediction aggregate scores for each of the multiple items of content based on the content prediction parameters. A particular content prediction aggregate score, associated with a particular content, may be generated based on content prediction parameters associated with the particular content. The server device may generate a content prediction instruction; and may provide the content prediction instruction to cause the user device to receive and store a portion of the particular item of content.
Camera-connection-type sound recording apparatus
A sound recording apparatus is provided which is HDMI-connected to a camera and another device, which outputs a video image signal from the camera to the other device without processing, and which outputs to the other device, without degradation, an audio signal recorded separately from the camera. A sound recording apparatus is HDMI-connected to a camera and a backup image recording apparatus. The sound recording apparatus includes an HDMI receiver that receives an HDMI signal transmitted from the HDMI-connected camera, a controller that embeds an audio signal which is input from a microphone which is connected to the apparatus in an audio channel portion of the HDMI single, and an HDMI transmitter that outputs to the backup image recording apparatus the video image signal included in the HDMI signal and the audio signal embedded by the controller.
Live television program overrun management system
A system for compensating for the effect of a live television program airing beyond a previously determined end time on the provision of channel guides, pop up program reminders, and/or video recording of television programs by network interface devices of a subscription based television service provider. First data messages are generated and communicated by a computer of the live television program's source configured with messaging software. Upon receiving the first data messages, a service provider computer automatically generates and communicates second data messages to network interface devices located at subscribers' premises causing them to automatically (i) disable the generation of pop up program reminders and the performance of video recording, (ii) update stored channel guide, pop up program reminder, and video recording session schedule data to compensate for the overrunning live television program, and (iii) re-enable the generation of pop up program reminders and the performance of video recording.
Server device for sharing contents, client device, and method for sharing contents
A contents sharing method includes a step for receiving playback capability information from a client apparatus; a determination step for determining, on the basis of the received playback capability information, whether to carry out partial processing of contents to be supplied to the client apparatus; and a transmission step for processing some frames in the contents to be played in the client apparatus and transmitting the processed frames to the client apparatus if it is determined that the partial processing is to be performed. Accordingly, contents may be efficiently provided.
Automatic rating optimization
Automatic rating optimization is described. In an embodiment, ratings of a program can be received from one or more rating sources. Based on these ratings, a representation of a content selection mechanism can be sent to potential consumers of the content. Access events for the content can be counted over a duration of time so a determination can be made regarding how the ratings provided by each of the rating sources affect popularity of the content. A weight accorded to ratings received from each of the rating sources can be adjusted based on the determination. Profiles can be established for consumers and/or rating sources.
Systems and methods for multi-tuner recording
An interactive television program guide system is provided. An interactive television program guide provides users with an opportunity to select programs for recording on a remote media server. Programs may also be recorded on a local media server. The program guide provides users with VCR-like control over programs that are played back from the media servers and over real-time cached copies of the programs. The program guide also provides users with an opportunity to designate gift recipients for whom programs may be recorded.
Method and device for transmitting and receiving broadcast signal on basis of color gamut resampling
The present invention relates to provision of a method and/or a device for transmitting and receiving a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of; resampling first color gamut-based content data into second color gamut-based content data; generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively.
System and method for generating media content in evolutionary manner
The subject matter discloses a system and method for creating content in an evolutionary process derived from genetic algorithms imitating biological natural processes, and for creating new original effective content which is not based only on predefined rules.
Image processing device and method
The present invention relates to image processing device and method which can suppress block noise. A filter strength determination unit determines the filter strength for every four lines under the control of a control unit. In other words, if a block boundary determination unit has determined to perform filtering, the filter strength determination unit determines at which strength of the strong filter or the weak filter the filtering process is performed, and outputs the determination result to a filter calculation unit. On this occasion, the filter strength determination unit uses the Bs value in the determination formula of the strong filter. For example, in the case of using the Bs value, the threshold of the determination is set in accordance with a linear function of the Bs value from the control unit. The present disclosure can be applied to, for example, an image processing device.
Image processing apparatus and method
The present technology relates to an image processing apparatus and method that are capable of enhancing encoding efficiency while suppressing a decrease in the efficiency of encoding processing. The image processing apparatus includes an encoding mode setter that sets, in units of coding units having a hierarchical structure, whether a non-compression mode is to be selected as an encoding mode for encoding image data, the non-compression mode being an encoding mode in which the image data is output as encoded data, and an encoder that encodes the image data in units of the coding units in accordance with a mode set by the encoding mode setter. The present disclosure can be applied to, for example, an image processing apparatus.
Apparatuses and methods for filtering noise from a video signal
Apparatuses and methods for filtering noise from a video signal are described herein. An example apparatus may include a noise filter system configured to filter noise from a frame of a video signal based on a noise level of the frame to provide a filtered video signal. The noise filter system may be configured to select macroblocks of the frame that have an associated weighted activity to variance ratio that exceeds a threshold value. The noise filter system may be further configured to calculate the noise level of the frame based on estimated noise levels of each of the selected macroblocks of the frame. The example apparatus may further include an encoder configured to encode the filtered video signal to provide a compressed bitstream.
The current application is directed to flexible methods for motion-vector-based encoding of macroblocks within video frames. The flexible methods for encoding video-frame macroblocks provide for segmentation of a video-frame block and encoding the segmented video-frame block by a segmented-block motion vector that includes a reference to a segmentation-defining region of a segmentation map and that also includes references to sources of intensity-and-color data for each segment. Segmented-block motion vectors provide for flexible segmentation-based encoding of video-frame blocks without sacrificing the coding efficiencies attendant with conventional motion-vector-based video encoding.
Method of intra picture block copy for screen content and video coding
A method of screen content coding (SCC) and video coding using coding modes including IntraBC mode (Intra-block copy mode) is disclosed. In one embodiment, a Merge candidate list including one or more IntraBC Merge candidates and one or more Inter Merge candidates is derived. If an IntraBC Merge candidate is selected from the Merge candidate list for the current block, the current motion information of the current block is encoded or decoded by sharing candidate motion information of the selected IntraBC Merge candidate as the current motion information of the current block, and the current block is encoded or decoded using a coded block in the current picture located according to the current motion information as an IntraBC predictor. The candidate motion information or the current motion information may include one or more elements selected from a motion information group consisting of coding mode, displacement vector and reference picture information.
Encoding method for distribution of multimedia contents with enforcement of commercial advertisement
Methods and systems for encoding multimedia content with enforcement of commercial advertisements are discussed in the disclosure. Some of the methods may require all or part of a commercial advertisement segment to be viewed and/or decoded in order to decode an entertainment segment. In some implementations, the disclosure provides for inserting commercial advertisements in a video stream. The various implementations discussed herein may require a viewer to watch all or part of a commercial segment in order to view an entertainment segment of multimedia content.
Method of performing motion vector prediction, and apparatus thereof
A method of performing motion vector prediction for a current block in a picture is provided which includes: deriving a candidate for a motion vector predictor to code a current motion vector of the current block, from a first motion vector of a first block that is spatially adjacent or temporally adjacent to the current block; adding the derived candidate to a list of candidates; and deriving at least one motion vector predictor based on a selected candidate from the list of candidates, wherein the deriving of the candidate includes determining whether to derive the candidate from the first motion vector, based on a type of a current reference picture and a type of a first reference picture, the current reference picture being referred to from the current block using the current motion vector, the first reference picture being referred to from the first block using the first motion vector.
Compressed blanking period transfer over a multimedia link
A transmitting device for communicating via a multimedia communication link includes a compression circuitry that receives blanking period data corresponding to blanking states of video blanking periods. The compression circuitry compresses the blanking period data into compressed blanking period data. The transmitting device also includes an interface that transmits signals corresponding to the compressed blanking period data via one or more multimedia channels of the multimedia communication link.
Parallel decoder with inter-prediction of video pictures
A parallel decoder for decoding compressed video picture data including inter-coded picture item data with motion vector data. A decoding module decodes picture data stored in a temporary storage. The decoding module includes an inter-prediction module that uses inter-prediction item data to decode an inter-coded picture item by referring to already decoded reference picture item data. The structure of inter-prediction item data in the temporary storage is a function of the positions of corresponding reference picture items. The decoding order of stored inter-prediction item data by the inter-prediction module is prioritized as a function of a decoding order of reference picture item data.
Method and apparatus for encoding video signal and method and apparatus for decoding video signal
Provided are a method and apparatus for encoding a video signal and a method and apparatus for decoding a video signal. The method of encoding the video signal includes: determining an optimum scaling bit depth of the video signal in consideration of a maximum bit number of an intermediate value obtained during transformation of the video signal and a maximum bit precision of the video signal; scaling the video signal according to a local shift value corresponding to a difference between the determined optimum scaling bit depth and an original bit depth of the video signal; and transforming the scaled video signal.
Apparatus and method for compressing pictures with ROI-dependent compression parameters
An apparatus and method to decrease bit rate through direct control of video compression parameters when compressing a video. The video compressing apparatus may use a Region of Interest (ROI)-dependent compression parameter and may include a ROI estimating part, a parameter allocating part, and a compression part. The ROI estimating part may estimate the ROI of an input video. The parameter allocating part may allocate a compression parameter to each region of the input video based on the estimated ROI information. The compression part may compress the input video by applying the parameter allocated to each region. A higher compression rate may be achieved by allocating a higher bit rate to the ROI and a lower bit rate to non-ROI regions.
Coding method and coding device
In related art, it is not considered that the image quality of video to be transmitted can be improved in consideration of a delay time in video transmission. An image information coding method includes an analyzing step of analyzing an input image, a quantization parameter calculating step of calculating a quantization parameter by using analysis results in the analyzing step, and an encoding step of encoding the input image by using the quantization parameter calculated in the quantization parameter calculating step, wherein a first region to be analyzed in the analyzing step has a variable size.
Coding apparatus and method for encoding image data
An image processing apparatus comprising an acquiring unit configured to acquire an encoding target block having a plurality of groups each including a predetermined number of pixels, a deciding unit configured to decide, for each group, a quantization parameter used to quantize image data of the group and an encoding scheme so that a code length of the encoding target block does not exceed a predetermined value corresponding to a target code amount of the encoding target block, and an encoding unit configured to generate encoded data by encoding image data of the encoding target block in accordance with the quantization parameters and the encoding schemes decided for the respective groups by the deciding unit.
Methods and apparatuses for encoding and decoding video using multiple reference pictures
A method of encoding video using a plurality of reference pictures is provided. The method includes: writing one of a parameter or a flag into one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and encoding a current picture of the video using at least the first list of reference pictures. A method of decoding video using a plurality of reference pictures is also provided. The method includes parsing one of a parameter or flag from one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and decoding a current picture of the video using at least the first list of reference pictures. In addition, there are provided corresponding apparatuses for encoding and decoding video.
Registering cameras in a multi-camera imager
A method of registering first and second cameras in a multi-camera imager comprising imaging a calibration target having rows and columns of fiducials with both the first and second cameras and using convergence angles of images of the rows and columns in the images to register the cameras.
Determination method and determination apparatus
An image processing apparatus includes an acquiring unit and a determining unit. For example, the acquiring unit acquires an imaging image captured by a camera mounted on a vehicle and registers the acquired imaging image in drive recorder information. When a vanishing point is detected from the imaging image, the determining unit determines that the imaging direction of the imaging device is normal such that the front of the vehicle is normally imaged. When the vanishing point is not detected from the acquired the imaging image, the determining unit determines that the imaging direction of the imaging device is abnormal such that the front of the vehicle is not normally imaged.
3D glasses and method for controlling the same
3D glasses which can individually acquire information according to 3D content that users view. The 3D glasses include a transparent display unit displaying at least one of information on 3D content and a control screen for controlling a 3D display device on a 3D glasses unit, a transmission/reception unit receiving at least one of the information on the 3D content and the control screen for controlling the 3D display device from the 3D display device and transmitting the received signal to the transparent display unit, and a control unit controlling the transparent display unit to display the information on the 3D content or the control screen for controlling the 3D display device.
Calibration of a three-dimensional acquisition system
Embodiments of the present disclosure provide techniques and configurations for an optoelectronic three-dimensional object acquisition assembly configured to correct image distortions. In one instance, the assembly may comprise a first device configured to project a light pattern on an object at a determined angle; a second device configured to capture a first image of the object illuminated with the projected light pattern; a third device configured to capture a second image of the object; and a controller coupled to the first, second, and third devices and configured to reconstruct an image of the object from geometric parameters of the object obtained from the first image, and to correct distortions in the reconstructed image caused by a variation of the determined angle of the light pattern projection, based at least in part on the first and second images of the object. Other embodiments may be described and/or claimed.
Image processing apparatus and image processing method
The present disclosure relates to an image processing apparatus and an image processing method that enable high-precision generation of parallax images of viewpoints with a small amount of calculation.A correlation generating unit calculates correlation values of captured images of pairs of viewpoints, using captured images of viewpoints. A generating unit generates parallax images of different hierarchical levels of a reference viewpoint based on the correlation values. The parallax images are a parallax image formed with the disparity value of the reference viewpoint, and a parallax image formed with the disparity value of an occlusion region. The reference viewpoint is one of the viewpoints. The present disclosure can be applied to the image processing apparatus of a light field camera, for example.
Image encoding method, image decoding method, image encoding device, and image decoding device
An image encoding method according to an aspect of the present invention includes: generating, from a plurality of first sub-bitstreams which are obtained by encoding a plurality of images on a per layer basis according to spatial scalable image encoding, a second sub-bitstream including two or more first sub-bitstreams corresponding to two or more layers, the two or more first sub-bitstreams being included in the plurality of first sub-bitstreams; and generating a descriptor including a first field indicating a minimum value for two or more layer identifiers indicating the two or more layers and a second field indicating a maximum value for the two or more layer identifiers.
Imaging processing apparatus, image-capturing apparatus, and storage medium having image processing program stored thereon
A technique is disclosed to obtain first image data including a first pixel value of a first pixel having a no-parallax opening corresponding to a reference direction, a second pixel value of a second pixel having a parallax opening that causes parallax in one direction and a third pixel value of a third pixel having a parallax opening that causes parallax in the opposite direction, to calculate, for a pixel position of the second pixel, a fourth pixel value by averaging the second pixel value at the pixel position and a hypothetical third pixel value and to calculate, for a pixel position of the third pixel, a fifth pixel value by averaging the third pixel value at the pixel position and a hypothetical second pixel value, and to use the first pixel value, the fourth pixel value and the fifth pixel value to produce 2D second image data.
Monitoring system and monitoring method
A content management server extracts an incident video and incident information corresponding to prescribed key information related to the incident information, and sends the extracted information to a center device. A center device superimposes video attribute information related to an incident video on map information based on positional information of an imaging place of the incident video included in the incident information in the incident video display screen, displays the video attribute information in the imaging place on the map of the map information, and reproduces and displays the incident video corresponding to the video attribute information in a case where a video reproduction instruction is given by a user.
Liquid crystal display unit and projection-type display device
There is provided a liquid crystal display unit including a liquid crystal panel for modulating light; a light shielding plate for controlling light not to be incident on areas other than an effective pixel area of the liquid crystal panel; an optical compensation element arranged at sides on which the light is incident in the liquid crystal panel and the light shielding plate; and an optical compensation element holder for holding the optical compensation element to be spaced from the light shielding plate and not to contact other members.
Virtual image generating apparatus, virtual image generating method, and recording medium storing virtual image generating program
An image generation apparatus, system, and method that include a position detector that acquires photography position information, a communicator that acquires at least one surrounding map image viewable from the photography position when a captured image is captured, and an image generator that generates at least one virtual image of a selected avatar image and the at least one surrounding map image.
Spectral filtering for vehicular driver assistance systems
A vision system of a vehicle includes an imaging array and a spectral filter disposed at the imaging array. The imaging array includes a two dimensional array of photosensing pixels. The spectral filter includes a deflection color microsplitting configuration. The deflection microsplitting spectral filters are disposed in front of a pixel of a respective sub-array of a plurality of sub-arrays and not disposed in front of other pixels of the respective sub-array. The imaging array captures image data for use in a driver assistance system of the vehicle.
System for law enforcement recording
A system for law enforcement recording that includes: a robotic dash camera; a position transmitter on the robotic dash camera; a prism receiver, where the prism receiver is adapted to be worn by a user; and a mobile camera. The mobile camera may be placed on a mountable band, where the mountable band includes a series of lights. The robotic dash camera captures panoramic views surrounding the prism receiver.
Television (TV) as an internet of things (IoT) Participant
A method and device for a television (TV) device participating in an Internet of Things (IoT) network. An IoT controlling service is communicated with to send and receive messages adjusting a state of the TV device. The state of the TV device is monitored based on an attribute table. The state of the TV device can serve as triggers for one or more routines. A predefined routine is determined based on an actions table. The predefined routine is activated based on a detected TV device state attribute.
Signal processing apparatus, image capturing apparatus, control apparatus, signal processing method, and control method
A signal processing apparatus comprising: an analog-digital converter that converts an analog signal output from a pixel section of an image sensor to a digital signal using a plurality of reference signals having different slopes from each other; and a determination unit that determines a signal level at which the plurality of reference signals are changed based on a distribution of the converted digital signal, wherein the analog-digital converter performs the conversion using a reference signal having a steeper slope when the analog signal is equal to or greater than the signal level than when the analog signal is smaller than the signal level.
Photoelectric conversion device and imaging system
A photoelectric conversion device according to an exemplary embodiment includes a pixel which includes a photoelectric conversion unit and an amplifier transistor configured to output a signal generated by the photoelectric conversion unit. The photoelectric conversion unit includes a first electrode, a second electrode electrically connected to the amplifier transistor, a photoelectric conversion layer, and an insulating layer disposed between the photoelectric conversion layer and the second electrode. The photoelectric conversion layer includes quantum dots.
Imaging device, imaging method, and image processing device
An imaging device 10 according to one aspect of the present invention includes: a subject distance acquisition section 115; a movement amount acquisition section 120 that acquires an amount of movement of the subject on the basis of the subject distance; a restoration processing determination section 125 that determines, on the basis of the amount of movement acquired by the movement amount acquisition section 120, whether the restoration processing should be performed on the images through a restoration filter, a restoration strength of the restoration processing should be adjusted and the restoration processing should be performed on the images, or the restoration processing should not be performed on the images; and a restoration processing execution section 105 that performs the restoration processing on the images through the restoration filter or with the adjusted restoration strength, on the basis of the determination of the restoration processing determination section 125.
Image sensor unit and imaging apparatus
An image sensor unit (3) includes a microlens array (31) and a sensor (32). The sensor includes a plurality of sensor regions (323) that respectively include pixels (322) having different sensitivities arranged in a matrix arrangement. The pixels (322) at corresponding positions of the plurality of sensor regions (323) have identical sensitivities. Each of the microlenses (311) of the microlens array (31) is arranged to direct the light to a corresponding one of the plurality of sensor regions (323) of the sensor (32). The pixels (322c1) in a first row or column of the matrix arrangement of each of the plurality of sensor regions (323) have a first light sensitivity, the pixels (322c2, 322c3) in a second row or column of the matrix arrangement of each of the plurality of sensor regions (323) have a second light sensitivity different from the first light sensitivity, and the first and second light sensitivities are different from the light sensitivities of the pixels (322) in rows or columns of the matrix arrangement other than the first and second rows or columns of the matrix arrangement of each of the plurality of sensor regions (323).
Semiconductor integrated circuit that stops power supply to at least a storage area of a first SRAM in a power-saving mode, and control method of semiconductor integrated circuit
The image forming apparatus of the present invention is a semiconductor integrated circuit including: a first image processing module; a second image processing module; a first SRAM configured to temporarily store image data for which the first image processing has been performed by the first image processing module; a second SRAM configured to store a parameter for performing the second image processing for image data that is input to the second image processing module; and a control unit. The control unit stops power supply to the first SRAM, continues to supply power to a storage area of the second SRAM in which the parameter is stored, and stops power supply to a control area for writing data to the storage area of the second SRAM based on that a condition to cause the semiconductor integrated circuit to make a transition into a power-saving mode is satisfied.
Method of arranging image filters, computer-readable storage medium on which method is stored, and electronic apparatus
A method of arranging image filters and associated apparatus and storage media are provided. The method includes determining an arrangement order determination criterion based on a user input, searching for image filters based on the arrangement order determination criterion, arranging the searched image filters according to the arrangement order determination criterion, and displaying the arranged image filters on a display unit of an electronic apparatus.
Systems and methods for generating depth maps using a camera arrays incorporating monochrome and color cameras
A camera array, an imaging device and/or a method for capturing image that employ a plurality of imagers fabricated on a substrate is provided. Each imager includes a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. Each imager may be associated with an optical element fabricated using a wafer level optics (WLO) technology.
TOF illumination system and TOF camera and method for operating, with control means for driving electronic devices located in the scene
A system, and a method is described for use with electronic devices such as a TV display, a laptop, a PC, a media center platform, a Set Top Box or a DVD player, a light bulb, said system and method combining advantageously several separate control means into one single device. The combined control means shares at least one common property such as, as for example, the use of an IR signal to convey information signal. In particular, the invention is related to the combination of a TOF illumination system of a TOF camera and the method for operating it, with the control means for driving electronic devices located in the scene such as, as for example, an IR emitter for driving 3D IR synchronized viewing glasses.
Image processing apparatus, image processing method, and storage medium
It is possible to adjust brightness of an image for which contrast correction has been performed for each local area. An image processing apparatus that adjusts brightness of a processed image for which contrast correction for removing a scattered light component has been performed for each local area, including: an estimation unit configured to estimate luminance of the processed image based on luminance of an input image before the contrast correction is performed for each local area and transmittance corresponding to the luminance; a parameter calculation unit configured to calculate an exposure correction parameter based on the luminance of the input image and the luminance of the processed image estimated by the estimation unit; and an exposure correction unit configured to perform exposure correction for the processed image by using the exposure correction parameter.
Motion detecting device, motion detecting method, and non-transitory recording medium
A motion detector calculates a camera shake matrix H(t) applied for a coordinate conversion for a camera shake correction. At this time, the motion detector calculates a motion vector (MV) for each block obtained by dividing a frame, and excludes an object motion vector (MV-B) from the MV. In addition, when a camera shake matrix H_mv that represents a camera shake between the frames is not calculable based on the MV, the motion detector calculates and adjusts a camera shake matrix H_sensor that represents a camera shake in accordance with a motion of an image picker, and settles this matrix as the camera shake matrix H(t).
Image-capturing device and electronic device
To improve a temporal resolution.An image-capturing device includes a pixel array unit and a control unit. The pixel array unit includes a plurality of pixels classified into two or more groups, wherein pixels which belong to a same group are driven at a same timing. The control unit controls driving of the pixel array unit so that a number of groups in a period of time of read-out of electrical charge is a same number in any given timing in image-capturing operation, and that a number of groups in a period of time of exposure and accumulation of electrical charge is a same number in any given timing in the image-capturing operation.
Method for capturing photographs and videos on a handheld client device without continually observing the device's screen
A client device for image capture in an eyes-free manner or without ongoing observance of the device's display screen to ensure proper framing and focusing. The client device may take the form of a smartphone, tablet, or the like. The client device includes an image capture application run by a processor to select a target to be included in a digital image captured by the client device's camera. The image capture application causes the processor to operate feedback mechanisms to prompt an operator of the client device to move the device so as to move the camera or its lens, before or during the capturing of the digital image, from a first orientation to a second orientation relative to the target. The image capture application urges the operator of the client device to hold their client device so as to better frame or focus on the selected target.
Detection of object in digital image
A detection apparatus for detecting a subject in a digital image, including: an input and output interface to which a word for identifying the subject is input; and a processor configured to: receive the word for identifying the subject from the input and output interface; determine an attribute that is specified by the word for identifying the subject, the attribute being at least one of name, color, shape, size, and position; select a method of detection in accordance with the determined attribute; apply the selected method of detection to the digital image to detect the subject in the digital image; and output a result of the detection of the subject so as to cause a prescribed action to be performed with respect to the detected subject in the digital image.
Control apparatus, imaging apparatus, control method, imaging method, and non-transitory computer-readable storage medium
A control apparatus obtains first data generated by a first imaging apparatus imaging an object and second data generated by a second imaging apparatus imaging an object, evaluates, based on the first data and the second data, a relationship between the object imaged by the first imaging apparatus and the object imaged by the second imaging apparatus, and performs processing for connecting the first imaging apparatus and the second imaging apparatus in accordance with an evaluation result.
Integrated substrate for anti-shake apparatus
An integrated substrate for an anti-shake apparatus defined with an optical axis includes: a substrate, a lens module, an anti-shake apparatus and an image-sensing module. The substrate includes a frame having a predetermined thickness. The frame includes a first surface, a second surface, a first circuit layout, and a second circuit layout. The lens module is located above the substrate on the optical axis. The anti-shake apparatus is furnished between the lens module and the substrate. The image-sensing module has an active side and an inactive side, and the inactive side is furnished onto the second surface. The active side is located on the optical axis in a manner of facing the lens module. The anti-shake apparatus is coupled to the first circuit layout, while the image-sensing module is coupled to the second circuit layout. The first and second circuit layouts comprise a plurality of first and second metal leads, respectively.
Image pickup apparatus that is capable of bounce emission photographing, control method therefor, and storage medium storing control program therefor
An image pickup apparatus capable of focusing correctly and of setting a bounce angle accurately. A lighting device that changes an irradiation angle is attached to an apparatus body. A first control unit drives the lighting device to perform pre-emission when the irradiation angle is controlled for bounce emission photographing where an object is photographed while being illuminated by a reflected light emitted from the lighting device and reflected by reflection material. A first distance measuring unit measures a first distance to the object and a second distance to the reflection material using the pre-emission. A second control unit sets up the irradiation angle based on the first and second distances and controls the lighting device to the set irradiation angle. A second distance measuring unit measures a third distance to the object during focus control. A prohibition unit prohibits the pre-emission when the second distance measuring unit measures the third distance.
Arrangement for an image recording device in a vehicle
An arrangement for an image recording device in a vehicle having an image recording device for recording image data. The arrangement includes a carrier part which can be positioned on the vehicle with the front side of the carrier part on or in front of the inside of a vehicle window, retaining elements for retaining the image recording device, the retaining elements are coupled to the carrier part in such a way that the optical recording axis of the image recording device is directed into an area in front of the front side of the carrier part, and a heating device, the heating device designed in such a way that the thermal radiation produced by the heating device in the direction of the area in front of the front side of the carrier part is determined. Also disclosed is a method for controlling the heating device in such an arrangement.
Devices and methods for transmitting transmission video data
To enable a receiving side to appropriately perform processing of obtaining display image data from transmission video data having a predetermined photoelectric conversion characteristic. Input video data is processing and transmission video data having a predetermined photoelectric conversion characteristic is obtained. Encoding processing is applied to the transmission video data and a video stream is obtained. A container of a predetermined format, including the video stream, is transmitted. Information indicating a photoelectric conversion of the input video data is inserted into the video stream and/or the container.
System for synchronization in a line scanning imaging microscope
A line confocal microscope system, comprising a scanning unit in the form of a mechanically driven scanning unit with a controllable a scanning trajectory and a two dimensional sensor unit operated in a rolling line shutter mode in synchronization with the scanning unit, wherein the scanning trajectory is set to have an acceleration part outside the field of view of the sensor unit.
Image processing device, image forming apparatus, and image processing method
An image processing device includes a first control circuit to transfer image data of a plurality of color components on a line basis in a main scanning direction, and a second control circuit connected to the first control circuit to process the image data of each one of the plurality of color components transferred from the first control circuit and output the processed image data on a line basis on an object. The first control circuit includes a plurality of registers provided for each one of the plurality of color components, a calculation circuit connected to the plurality of registers, a plurality of addition circuits provided for each one of the plurality of color components and connected to a corresponding one of the plurality of registers and the calculation circuit, and a transfer control circuit connected to the calculation circuit and the plurality of addition circuits.
Color patch generation for visual selection in the color adjustment of a color print apparatus
An image processing apparatus includes a first selection unit configured to select an adjustment color, a print control unit configured to cause a printer to print a chart including a patch corresponding to the adjustment color selected and patches corresponding to respective neighboring colors of the adjustment color, a second selection unit configured to select a target color from the colors corresponding to the respective patches on the chart, a generation unit configured to generate a color conversion table to the used for converting a color to be printed by the printer, by using the adjustment color selected and the target color selected, and a determination unit configured to determine an arrangement of the patches to be included in the chart to be printed by the printer, based on a color value of the adjustment color selected.
Securing image data detected by an electronic device
A method and device for securing image data detected by an electronic device is provided. The electronic may include a camera. In one aspect, a method includes: capturing image data using the camera; based on the captured image data, detecting a security marker displayed by a display device, the security marker being periodically displayed to be undetectable by a human eye that is viewing the display device; and in response to determining that the security marker is detected by the electronic device, applying a security policy to the image data captured by the electronic device.
Selection of halftoning technique
An example embodiment may involve causing a page of a document to be printed on a printing device, wherein the printing device is in an AM halftoning mode and prints the page using an AM halftone; displaying, on the display unit, a graphical user interface, wherein the graphical user interface includes a selectable option to switch the printing device from the AM halftoning mode to an FM halftoning mode; receiving an indication that the selectable option has been selected; possibly in response to receiving the indication that the selectable option has been selected, causing the printing device to switch from the AM halftoning mode to the FM halftoning mode; and causing the page of the document to be printed again on the printing device, wherein the printing device is in the FM halftoning mode and prints the page using an FM halftone.
Printer and non-transitory storage medium storing instructions executable by the printer
In a printer, when a storage print job is a print job for execution of carbon-copy printing, a controller performs: creating a plurality of bit map data by rasterizing page-description-language data contained in the storage print job a plurality of times; storing the created bit map data; and controlling an image former to print images based on the stored bit map data when a print instruction for the storage print job is received. When the storage print job is a print job not for execution of the carbon-copy printing, the controller performs: storing the page-description-language data contained in the storage print job; when the print instruction for the storage print job is received, rasterizing the stored page-description-language data to create bit map data; and controlling the image former to print an image based on the created bit map data.
Image reading apparatus and image forming apparatus
An image reading apparatus includes: a movable body configured to illuminate a document with light; and an apparatus body configured to wirelessly transmit power to the movable body, wherein the movable body includes receiver coils, and a feed circuit in which the receiver coils uses receiving power to supply power to a load, the apparatus body includes transmitter coils placed along a track of the receiver coils, the transmitter coils and the receiver coils are placed such that power supply efficiency of any receiver coil with the transmitter coil placed along the track of the receiver coil fluctuates, and power supply efficiency related to one receiver coil increases at a position where power supply efficiency related to the other receiver coil drops, and the feed circuit supplies power sequentially using the receiving power of the receiver coil whose power supply efficiency is increased to highest among the receiver coils.
Image reading unit
An image-reading unit includes an original document conveyor that includes a first original document tray to hold an original document to be read, a first original document feeding port to feed the original document placed on the first original document tray, and an original document conveying path to convey the original document from the first original document feeding port to an original document discharging port. The original document conveyor further includes an openable second original document tray attached near an intermediate portion of the original document conveying path to hold an original document when opened, and a second original document feeding port to feed the original document on the second original document tray. The image-reading unit further includes an image reader to read an image of the original document being conveyed along the original document conveying path.
Recording apparatus and reading apparatus
An apparatus main body including a recording mechanism portion that performs recording on a paper sheet; and a reading mechanism portion which is linked to the apparatus main body to be rotatable in an upper portion of the apparatus main body, and reads a document, the reading mechanism portion includes a reading unit which extends in a main scanning direction, and moves in an auxiliary scanning direction intersecting with the main scanning direction, a motor which moves the reading unit, and a first linking portion and a second linking portion which are disposed on the outside of a moving region when the moving region of the reading unit is viewed in a plan view, and are linked to the apparatus main body to be rotatable, and the motor is disposed at least in any of the first linking portion and the second linking portion.
Image forming apparatus capable of customizing operation screen based on personal setting information and method for controlling image forming apparatus
An image forming apparatus includes an obtaining unit that obtains personal setting information about a user who logs into the image forming apparatus from a server apparatus and a display control unit that controls a display unit to display a customized operation screen customized for the user based on the obtained personal setting information. If the personal setting information has been obtained from the server apparatus within a predetermined time, the customized operation screen is displayed. If the personal setting information has been obtained from the server apparatus after the predetermined time elapses, the customized operation screen is not displayed.
Billing system, billing apparatus, and billing method
Provided are a billing system, a billing apparatus, and a billing method capable of billing for device-to-device direct communication (D2D communication) performed using a radio access network such as LIE. A terminal 400A sends a billing apparatus 200 billing-related information to be used to bill for direct communication. The billing apparatus 200 acquires the billing-related information from the radio communication terminal and generates billing information on the direct communication based on the billing-related information acquired.
Seamless codec switching
In various embodiments, a corpus of codecs may be correlated with different, partially overlapping ranges of transmission characteristics. As channel conditions degrade or improve, the system may select a new codec with which to continue the connection based upon the corresponding overlapping range. Codecs may not be switched immediately when the transmission characteristics enter overlapping ranges, to avoid degrading the user's experience. If the characteristics remain in the overlap, or manifest a likely progression toward another region, then the transition may be effected.
Call authentication using call forwarding
The invention may verify calls to a telephone device by activating call forwarding to redirect calls for the telephone device to a prescribed destination; receiving a message from a server verifying the call; deactivating call forwarding to receive the call; and reactivating call forwarding when the call is concluded. In another embodiment, the invention may, in response to a telephone device initiating a call to a second telephone device installed with a particular application or software, transmit a message to a server causing it to instruct the second telephone device to deactivate call forwarding. In yet another embodiment, the invention may cause a server to receive a message from a prescribed location indicating that a call was received via call forwarding, and in response to the message, transmit an instruction to the intended recipient to deactivate the call forwarding if the call is verified as legitimate.
Method for informing a telecommunications subscriber abroad
A method for informing a telecommunications subscriber in a foreign country of at least one item of information. The telecommunications subscriber is assigned to a telecommunications provider in a home country via a customer relationship. The home country has a first time zone. The foreign country has a second time zone. The at least one item of information comprises the first time zone and the second time zone and is transmitted to the telecommunications subscriber when a mailbox provided by the telecommunications provider is used. The method includes transmitting the at least one item of information to the telecommunications subscriber via a voice message, announcing the voice message via an automatic voice message, and then playing back a call stored in the mailbox.
Methods and systems for controlling inter-agency, incident scene communications
Methods and systems for controlling inter-agency, incident scene communications. One method includes storing, in a memory of a first dispatch device of a first agency, subscription information from a second agency. The method further includes establishing a geo-fence surrounding an incident and a talk group that allows communication devices to communicate with each other within the geo-fence. The method further includes identifying the second agency based on the geo-fence and transmitting a request to the second agency based on incident information and the subscription information. The request includes role information based on the incident information. The method further includes receiving information relating to an available communication device affiliated with the second agency. The available communication device is selected based on the role information. The method further includes transmitting instructions to the available communication device to control the available communication device to join the talk group.
Smart reminder generation from input
Smart reminders are generated from input according to lexical and contextual cues. The input may be entered into any suitable application via any suitable electronic device. The input may be processed by a natural language processor to determine whether to convert the input into a smart reminder. In this way, the input of the note may be parsed to identify entities, such as entities associated with one or more people, relevant time(s), action(s), instruction(s), etc., for creating the smart reminder. The identified entities may then be used as triggers for displaying the smart reminder at an appropriate time to a user. A trigger such as detecting a person associated with the input, e.g., by receiving an incoming call from the person, connecting to the same network as the person, receiving a text from the person, or detecting the voice of the person, may cause the smart reminder to be displayed.
Mobile device monitoring system
A mobile device case and monitor for discouraging cell device usage (web, texting, voicemail, games, apps, etc.) device during specific activities (while driving, working, at school, etc.) The case has a photodetector inside it and a flash on a cell phone is activated (flashed) and it is determined whether the photodetector detects the flash or not. If the flash is detected, then it is assumed that the cell phone is in the case, while if the flash is not detected then it is assumed that the cell phone is not in the case. If an employee's cell device is not placed inside the case with the lid closed and the employee is on company time, then an alert is generated indicated that the employee is not adhering to corporate procedures.
Systems and methods for notifying users of emergency impact zones
An emergency notification (EN) computing device includes at least one processor and a memory in communication with the processor. The processor is programmed to receive, from a user device, an emergency report that identifies an emergency situation and is associated with a report location, receive user input defining an impact zone within a geographical region based on the report location and the emergency situation, collect location data from a plurality of mobile user devices associated with a plurality of bystanders, detect a first bystander located within the impact zone based on the location data, and automatically notify the first bystander of the emergency situation.
Method for performing cooperative function automatically and device using the same
A device for performing a cooperative function with another device is provided. The device includes a communication unit, and a controller that determines whether the other device is in a surrounding area of the device based a signal received through the communication unit, selects one cooperative function from among a plurality of cooperative functions according to a relative position of the device with respect to the other device and performs the selected cooperative function with the other device.
A behavior prediction algorithm predicts a call by monitoring user inputs to detect an action by the user suggesting the user may be about to instigate the call, and identifying a candidate callee for the call. A network address associated with the callee is also retrieved from a data store. In response to the behavior detection algorithm predicting the call, a connection establishment message is transmitted to the network address via a network, so as to establish over the network a signalling connection for transmitting messages to a device available to the callee. After the connection establishment message has been transmitted, an explicit instruction is received from the user to instigate the call to the callee. In response to receiving the explicit instruction, a call invite is transmitted to the device via the signalling connection, thereby causing the device to output an incoming call notification.
Protective cover for an electronic device including impact geometry
A case for an electronic device comprising a frame or shell, a protective perimeter, and an interior with impact geometry.
Monitoring the performance of a content player
Improving a content player engagement is described. An engagement of a first content player with respect to a content item being downloaded by the first client is measured. Performance information associated with the first content player is obtained. A quantitative relationship between the engagement and the performance information is determined. How a second client obtains the same content is adjusted based at least in part on the determined quantitative relationship.
Presentation of status information in a messaging environment
A user's user device includes a messaging module that allows the user to communicate with its contacts through a messaging system. The messaging module also allows the user to access a status interface that includes a feed with multiple status items. Each status item indicates current information associated with a contact of the user. The status items are received by the messaging module from the messaging system. The messaging system creates the status items based on device information automatically provided to the system by user devices. One or more of the status items received by the messaging module are customized by the module after they are received from the messaging system and before they are presented to the user in the status interface. The status items are customized based information associated with the user.
Information on navigation behavior of web page users
A method of obtaining information on navigation behavior of users accessing web pages, includes obtaining information on web page sessions and correlating the information of at least two web page sessions for one user based on the obtained information on web page sessions. The method further includes extracting information on links from the correlated information of the at least two web page sessions, and inferring information on navigation behavior of the user based on the extracted information on links and the correlated information of the at least two web page sessions for one user.
Methods and apparatus to share online media impressions data
Methods and apparatus to share online media impression data are disclosed. An example method includes receiving, at a database proprietor, a first request from a client device, the first request including an audience measurement entity cookie identifier of an audience measurement entity cookie; and determining, with a processor of the database proprietor, a cookie mapping of the audience measurement entity cookie to a database proprietor cookie that is assigned by the database proprietor and associated with the client device.
Multiple cloud services delivery by a cloud exchange
In some examples, a network data center comprises a cloud-based services exchange point comprising a network, the cloud-based services exchange point operated by a cloud exchange provider that operates the network data center; and a programmable network platform comprising at least one programmable processor configured to receive a service request that specifies a plurality of cloud services provided by respective cloud service provider networks operated by respective cloud service providers, wherein the service request further specifies a topology for the plurality of cloud services; and provision, responsive to the service request, the cloud-based services exchange point to forward service traffic for the plurality of cloud services according to the topology for the plurality of cloud services.
Method for providing SNS-based file aging service
An embodiment of the present invention provides a method for providing an SNS-based file aging service executed in a SNS-based file aging service providing server, and the method includes receiving a SNS registration event for at least one user of at least one user, checking whether a content upload event is being occurred on a SNS of the at least one user at which the SNS registration event is received, mapping the content at which the content upload event is occurred with the SNS registration event of the at least one user for the storage thereof, and expiring the content uploaded on the SNS, the content being stored by mapping it with the SNS registration event, when an SNS deregistration event is being occurred for the at least one user from the at least one user.
Accessing multiple content storage facilities using source-aware storage policies
Systems for cloud-based storage systems. Embodiments commence upon deploying a server in a cloud-based environment, such that the server is configured to interface with one or more storage facilities that are accessible over a network by the server to provide cloud-based storage services in response to a storage command originating from a user terminal. The deployed server is connected to the network such that the server receives storage commands that pertain to one or more source objects that are associated with a set of source attributes. A policy manager applies one or more source-aware storage policies by determining a set of storage policies based at least in part on the one or more associated source attributes. The policy manager accesses a routing table of target storage locations and, in accordance with the source-aware policies, sends source objects over the network to one or more of the target storage locations.
Vehicle human-machine interface (HMI) device operation of a handheld mobile device
A method and device for providing original equipment manufacturer (OEM) human-machine interface (HMI) device operation of a non-OEM handheld mobile device is provided. The method and/or device operate to process an access request received via a vehicle network, and transmits, in response to the access request, a HMI configuration request that corresponds to the OEM HMI device. The method and/or device receive, in response to the HMI configuration request, a HMI mapping assignment that corresponds with the OEM HMI device, and applies the HMI mapping assignment to OEM HMI device data to produce non-OEM HMI data, in which the OEM HMI device data being operable to manipulate at least one application function of the non-OEM handheld mobile device.
Distributed load processing using location-based internet of things device clusters
For distributed processing using location-based IoT device clusters, using a processor and a memory at a central IoT device, a data source that is to be used for processing a workload is determined. A set of IoT devices that are operating within a threshold distance from the data source at a first time is selected. At the central IoT device, to form a cluster of IoT devices, a subset of the set of IoT devices is selected. Each IoT device in the subset satisfies a clustering condition. The processor at the central IoT device is instructed to configure a device application at a first IoT device in the subset of IoT devices, the device application enabling the first IoT device to participate in the cluster and process the workload.
Large data set updating for network usage records
Category labels, associated with IP addresses, may define a dominant usage role, in a network, of a corresponding IP address. Updates for a number of IP address/category label associations may be received, where the update may reflect changing roles relating to the IP addresses and/or to reflect newly used IP addresses. A merge operation may be performed to integrate the updated category labels into an existing data set that relates category labels to IP addresses. The merge operation may be performed within a distributed storage architecture that uses the write once read many (WORM) storage model.
Data replication in a tree based server architecture
The disclosure is directed to data replication in a distributed computing system. The data, e.g., received from a client, is replicated to a first set of servers (“sync replica set”) synchronously and to a second set of servers asynchronously (“async tree”). A server can be a primary, secondary or a follower server. A sync replica set includes a primary server and one or more secondary servers. The async tree includes multiple follower servers deployed in a tree structure. A primary server can replicate the data to the secondary servers synchronously, and the secondary servers can replicate the data to one or more follower servers, e.g., a root node of the async tree, asynchronously. The root node then replicates the data to children of the root node, which then replicate to their children and so on until the leaf nodes of the async tree receive the data.
Terminal communication apparatus, and distributed control system
A terminal communication apparatus has a terminal communication control portion rendering an immediate communication control portion sequentially transmitting serial data to another terminal communication apparatus bitwise when receiving a packet as bitwise serial data and a normal communication control portion performing processing on the packet after accumulating the serial data until the serial data reaches a packet length when receiving the bitwise serial data switchable, performing processing with the immediate communication control portion in a case of receiving a time adjustment packet containing time adjustment data posting a timing of synchronization in the other terminal communication apparatus and performing processing with the normal communication control portion in a case of receiving a packet other than the time adjustment packet. Thus, synchronization of control object devices can be enabled without previously investigating communication delay times.
Adaptive communication interface
Embodiments of the invention include a communication interface and protocol for allowing communication between devices, circuits, integrated circuits, and other electronic components having, for example, different communication capacities or clock domains. The interface supports communication between any components having any difference in capacity and over any distance. The interface utilizes request and acknowledge phases and signals and an initiator-target relationship between components that allow each side to throttle the communication rate to an accepted level for each component or achieve a desired hit error rate.
System and method for increasing data transmission rates through a content distribution network with customized aggregations
Systems and methods for increasing data transmission rates through a content distribution network by generating a customized aggregation comprising data packets selected to maximize a data acceptance rate are disclosed herein. The system can include a memory including a content library database having a plurality of data packets and a user profile database. The system can further include a server that can: receive aggregation information identifying a set of delivery data packets and a set of assessment data packets; receive data packet data from the content library database; identify a recipient cohort; determine a recipient cohort lapsed time; generate an estimate of data packet transfer time for the aggregation; generate an updated aggregation based on the recipient cohort lapsed time and the estimate of data packet transfer time; and provide the updated aggregation to the user devices.
Optimizing data migration processes
Systems, methods, and apparatuses can present optimized data migration. Embodiments can provide improved data migration processes using a data migration assistant that executes on a source system to facilitate the migration of documents and data to a destination system. The migration assistant can communicate with a migration controller server to authenticate and identify the migration assistant and migration project that the migration assistant is to be used for. The migration controller server can use the identifier to determine commands corresponding to the migration project to send to the migration assistant to collect data and make changes to the source system.
Selective capture with rapid sharing of user computer or mixed reality actions, states using interactive virtual streaming
A method for streaming interactive media between clients includes streaming a first series of packets from a server to a first client. The packets include data, instructions and timestamps for executing the instructions. At least one of the instructions requests capture of client-based events. A second series of packets is received from the first client device. The second series of packets includes one or more captured client-based events generated in response to the instructions requesting capture of one or more client-based events. The second series of packets further includes one or more timestamps associated with each of the client-based events. The first series of packets is merged with the second series of packets based on the time-stamps included with the first and second series of packets to form a merged series of packets. The merged series of packets are streamed to a second client device.
Unicast support in prose direct device-to-device communication
The present disclosure enables a multicast and/or unicast transmitting UE to configure a multicast device-to-device communication and/or the unicast device-to-device communication such that UE may distinguish between the unicast and multicast device-to-device communications. The apparatus receives a unicast device-to-device communication including a destination identifier. The apparatus also receives a multicast device-to-device communication including the destination identifier. The apparatus differentiates the unicast device-to-device communication from the multicast device-to-device communication based on information provided in a header of the unicast device-to-device communication.
Systems and methods of streaming data
Systems and methods of stream technologies are disclosed. In some example embodiments, a method and system for a database stream switchover from one data center to another with notification at each component is provided.
Device, apparatus, and method for facial recognition
In one embodiment, a device is provided, comprising: a screen; an input mechanism; at least one non-transitory memory storing instructions; and one or more processors in communication with the screen, the input mechanism, and the at least one non-transitory memory, wherein the one or more processors execute the instructions to cause the device to provide at least one option for sharing images, where the sharing is performed utilizing face recognition information that is based on third party input of a third party that is provided by the third party into at least one other device in association with at least one face, the face recognition information being utilized in connection with the at least one option for sharing images based on a relation between a user of the device and the third party associated with the third party input, such that the face recognition information is only utilized in connection with the at least one option for sharing images if the relation exists between the user of the device and the third party associated with the third party input.
System and method for cascaded peer-2-peer video conferences
A P2P configuration where only the active talker or talkers are providing media streams, to reduce uplink bandwidth demands on an active talker, participants relay the active talker stream to other participants. A signaling server determines the closest participant receiving a requested stream and with available bandwidth to relay the requested stream to a requesting participant and controls the provision of the relayed stream. In certain cases, an additional intermediate participant may relay the requested stream.
Methods and apparatus for implementing a conference call
According to a first aspect of the present invention there is provided a method of implementing a conference for a user of an IP Multimedia Subsystem (IMS). The method comprises, at a Telephony Application Server (TAS) that provides IMS multimedia supplementary services to the user, receiving a request for a conference from the user, designating a Public User Identity (PUI) of the user as an identifier for a conference service provided by the TAS that is to host the conference for the user, receiving signalling relating to a call intended for the user, and using the designated PUI to determine if the call can be connected to a conference hosted by the TAS for the user.
Method and apparatus for initiating communication and sharing of content among a plurality of devices
An approach for communication and sharing of content among user devices includes a method for determining a request for sharing of at least one content item between at least one device and one or more other devices, wherein the request is determined by at least one content sharing component. The method also comprises causing an initiation of at least one communication component to cause an establishment of a communication session between the at least one device and the one or more other devices. The method further comprises causing a transfer of one or more tokens to the at least one device for facilitating the sharing of the at least one content item, wherein the transfer of the one or more tokens is over the communication session, and wherein the sharing is performed over at least one other communication session.
Multi-endpoint design for ePDG supported devices
A server, method, and non-transitory computer-readable medium for multi-endpoint design for IMS supported devices. The server includes a memory, a communication interface, and one or more processors operably connected to the memory and the communication interface. The one or more processors are configured to cause the communication interface to simultaneously transmit the incoming call to both (i) the primary device where IP multimedia subsystem (IMS) service is not supported based on user preference or operator policy and (ii) a secondary device, and transmit a message to the primary device to adaptively trigger IMS service for supporting multi-endpoint service.
System and method for supporting web services in a multitenant application server environment
In accordance with an embodiment, described herein is a system and method for supporting web services in a multitenant application server environment. The system includes a domain with a plurality of partitions, wherein each partition can include one or more web services, and a web services inspection language (WSIL) application. A partition-aware managed bean server can include managed beans for generating addresses of web services deployed to each partition, wherein the generated addresses can be retrieved by the WSIL application in that partition for use by clients in accessing the web services. The system can further include a web service security manager that can secure web services in each partition, by attaching security policies to each web service endpoint and enforcing the security policies on requests directed to that web service endpoint.
Electronic device and method for encrypting content
An electronic device for encrypting content and a method thereof are provided. First and second data segments of a content file may be received. The first data segment may be encrypted on the basis of a policy of a content provider providing the content file. The second data segment may be encrypted using an encryption scheme that differs from that used for the first data segment. The second encryption scheme may utilized a different key and/or algorithm than that used in the first encryption scheme.
Secure web container for a secure online user environment
Disclosed herein are systems and methods that allow for secure access to websites and web-based applications and other resources available through the browser. Also described are systems and methods for invocation of a secure web container which may display data representative of a requesting party's application at a user's machine. The secure web container is invoked upon receipt of an API call from the requesting party. Thus, described in the present specification are systems and methods for constructing and destroying private, secure, browsing environments (a secure disposable web container), insulating the user and requesting parties from the threats associated with being online for the purposes of providing secure, policy-based interaction with a requesting party's online services.
NAT traversal for local IP access
A node is provided that includes a home base station collocated with a local gateway (L-GW) providing access to a local Internet Protocol (IP) network. The node performs an establishment procedure with a security gateway (SeGW), and discriminates a packet. The node uses a first interface configured at the L-GW and a second interface which is configured between the home base station and a gateway for the home base station. The first and second interfaces are tunneled through a same IP security (IPsec) tunnel opened between the home base station and the SeGW. The home base station for the first interface uses a first IP address that is either same as or different from a second IP address used by the home base station for the second interface. The node uses either distinct ranges of Tunnel Endpoint Identifiers (TEIDs) or the first and second IP addresses to discriminate the packet.
Method and system for reducing reporting of non-malicious electronic messages in a cybersecurity system
A client electronic device of an electronic message analysis system receives a user activation action indicating that a user has reported a message received at the client device a potentially malicious. The client device then determines whether to forward the message to a remote service for analysis by assessing whether the received message originated from a trusted sender. If and only if the client device determines that the received message originated from a trusted sender, it will permit the client device to take other action on the received message and not report the received message to a remote service for further analysis. If the client device does not determine that the received message originated from a trusted sender, it will report the received message to a remote service for further analysis.
Secure analysis application for accessing web resources via URL forwarding
Embodiments described herein may be directed to systems, methods, apparatuses, devices, computer program products, computer-executable instructions, and/or applications for securely and anonymously accessing web resources and customizable attribution of identity. In accordance with the present disclosure, a user may inspect and analyze a webpage as well as the underlying source code from an “arm's length” using a secure analysis application to prevent exposure on the user's local machine. The secure analysis application may provide increased flexibility in masking and/or modifying the user's digital persona to external websites. Additionally, the secure analysis application may be integrated with a translation service to translate textual web content without the web content provider being alerted that a translation is taking place.
Network protection system using linkographs
A method and apparatus for managing an attack on a computer system. A computer identifies actions taken by an adversary in the computer system and links connecting the actions over time using an ontology defining linking rules for linking the actions over time. The computer creates a graph of the actions with the links connecting the actions over time. The graph shows a number of patterns of behavior for the adversary. The computer then identifies a protective action to take with respect to the computer system using the graph of the actions taken by the adversary.
Detection of counterfeit and compromised devices using system and function call tracing techniques
Frameworks, methods, and systems for securing a smart grid are provided. A framework can include data collection, call tracing techniques, and preparing call lists to detect counterfeit or compromised devices. The call tracing techniques can include call tracing and compiling all system and function calls over a time interval. The framework can further include data processing, in which a genuine device is identified and compared to unknown devices. A first statistical correlation can be used for resource-rich systems, and a second statistical correlation can be used for resource-limited systems. Threats of information leakage, measurement poisoning and store-and-send-later can be considered.
Distributed traffic pattern analysis and entropy prediction for detecting malware in a network environment
Technologies are provided in embodiments to detect malware. Embodiments are to receive context information related to a potentially affected system, create a prediction of normal traffic based, at least in part, on the received context information, compare network traffic associated with the potentially affected system to the prediction of normal traffic, and take an action based, at least in part, on the comparison. The action may be taken if the network traffic is not within an acceptable deviation range of the prediction of normal traffic or the action may be taken based on a degree of deviation of the network traffic from the prediction of normal traffic. The acceptable deviation range and the degree of deviation are based, at least in part, on a type of network traffic. The acceptable deviation range and the degree of deviation are based, at least in part, on a volume of network traffic.
Method, device and system for alerting against unknown malicious codes within a network environment
A method, a device, and a system for alerting against unknown malicious codes includes judging whether any suspicious code exists in the packet, recording a source path of the suspicious code and sending alert information that carries the source path to a monitoring device. The embodiments of the present disclosure report the source paths of suspicious codes proactively at the earliest possible time, which lays a foundation for shortening the time required for overcoming virus threats, and avoids the trouble of installing software on the terminal.
Electronic message analysis for malware detection
An electronic message is analyzed for malware contained in the message. Text of an electronic message may be analyzed to detect and process malware content in the electronic message itself. The present technology may analyze an electronic message and attachments to electronic messages to detect a uniform resource location (URL), identify whether the URL is suspicious, and analyze all suspicious URLs to determine if they are malware. The analysis may include re-playing the suspicious URL in a virtual environment which simulates the intended computing device to receive the electronic message. If the re-played URL is determined to be malicious, the malicious URL is added to a black list which is updated throughout the computer system.
Security level and status exchange between TCP/UDP client(s) and server(s) for secure transactions
According to one embodiment, a method includes informing a second peer about a security issue in one or more secure transmission control protocol/user datagram protocol (TCP/UDP) using a first peer of the one or more TCP/UDP sessions. The method also includes performing at least one action at the first peer in response to detecting the security issue. The at least one action resolves the security issue, avoids the security issue, or resolves and avoids the security issue. Also, the at least one action includes informing, via a socket call or an extension of a socket call on the one or more TCP/UDP sessions, one or more applications operating on the second peer to limit information exchange based on a severity of the security issue. Other systems, methods, and computer program products are described in accordance with more embodiments.
Parameter adjustment for pattern discovery
Pattern discovery performed on event data may include selecting an initial set of parameters for the pattern discovery. The parameters may specify conditions for identifying a pattern in the event data. A pattern discovery run is executed on the event data based on the initial set of parameters, and a parameter may be adjusted based on the output of the pattern discovery run.
System for providing behavior information notification service and method for providing behavior information notification service
The present invention has the aim of providing a method of an activity information notification service in which a server can receive activity information from a user of a target terminal, depending on his or her privacy setting, and then transmit the received activity information to a selected receiving user, and in which any receiving user can transmit a notification request to a target user in order to receive desired activity information. According to an embodiment of the present invention, a method of an activity information notification service at a server, the method includes steps of receiving activity information from a target terminal; determining a receiving terminal to which the received activity information will be transmitted, depending on a privacy setting of the target terminal stored in a storage unit; and transmitting the activity information to the determined receiving terminal.
Determining virtual adapter access controls in a computing environment
A control component of a computing environment initiates sending of request(s) over a network of the computing environment by an activated virtual adapter. The activated virtual adapter is hosted on a physical adapter of a host system coupled to the network, and is for use by a guest, hosted by the host system, in performing data input and output. The request(s) retrieve access control information from the network indicative of access control(s) enforced in controlling access by the activated virtual adapter to network component(s). The initiating provides indication(s) to the physical adapter, absent involvement of the guest, that the request(s) be sent by the virtual adapter. Based on the initiating, the control component obtains the access control information from the physical adapter, and determines, based on that information, the access control(s) being enforced by the network in controlling access by the activated virtual adapter to the network component(s).
Access restriction device, on-board communication system and method for communication restriction
An access restriction device as well as an on-board communication system and a method for communication restriction, which prevent outside leakage of information caused by unauthorized access of malicious programs to an in-car network. The communication between the in-car network of the vehicle and an external device is performed by a security controller. The security controller can perform addition or update of a program involving processing for transmission and reception of the information. The security controller performs processing for restricting access to information of the in-car network performed by program execution according to an access authorization level of each program and an access permission level of each type of information. The security controller restricts the transmission depending on the access authorization level of each program and the access permission level of each type of information in case of transmitting the information to the in-car network by the program execution.
A method can include receiving a request from a requestor to a given resource, which requestor is registered to access a set of one or more resources. The request includes a ticket that includes signature data generated by an authenticating entity in response to authenticating the requestor. The signature data may be decrypted to provide a decrypted signature. The ticket may be validated in response to the request based on evaluating the decrypted signature. A response can be provided to the requestor based on the validation, and the response can grant the requestor access to the given resource if the validation determines the ticket to be authentic and authorized for the given resource or the response can deny the requestor access to the given resource if the validation determines to reject the ticket.
Address validation using signatures
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating signed addresses. One of the methods includes receiving, by a component from a device, a plurality of first requests, each first request for a physical address and including a virtual address, determining, by the component, a first physical address using the virtual address, generating a first signature for the first physical address, and providing, to the device, a response that includes the first signature, receiving, from the device, a plurality of second requests, each second request for access to a second physical address and including a second signature, determining, by the component for each of the plurality of second requests, whether the second physical address is valid using the second signature, and for each second request for which the second physical address is determined to be valid, servicing the corresponding second request.
Seamless provision of secret token to cloud-based assets on demand
The disclosed embodiments include systems and methods for providing security tokens to cloud-based assets on demand. Operations performed in the disclosed embodiments include receiving a prompt from a cloud-based asset indicating that the cloud-based asset is seeking to communicate with an access-controlled resource, wherein the cloud-based asset lacks authorization to communicate with the access-controlled resource. Additionally, the operations include extracting information associated with the cloud-based asset by accessing a trusted cloud platform resource storing data associated with verified cloud-based assets, where the trusted cloud platform resource is separate from the cloud-based asset, and authenticating the cloud-based asset based on the extracted information. The operations also include generating a security token for the cloud-based asset, making a first portion of the security token available to be injected into the cloud-based asset, and responding to the prompt with a second portion of the security token.
Authentication/authorization without a password
A method for authenticating a user on the electronic computing device includes receiving a request to authenticate the user. First data is received from the electronic computing device. The first data comprises selections of the user of a plurality of locations from a picture displayed on the electronic computing device. The first data also comprises force data representing forces applied by the user when making the selections. The first data is compared with second data. A determination is made as to whether aspects of the first data correspond to aspects of the second data. When the aspects of the first data correspond to the aspects of the second data, the user is authenticated.
Method for authenticating a client device to a server using a secret element
The invention relates to an authentication method for authenticating a client device having an authentication token generated by means of a pseudo-homomorphic function and based on a secret element (PIN) known only by the client device, to a server, comprising: the generation (A1), by the client device, of proof of knowledge of the secret element based on a proof generation key masked with a first mask data item, said masked proof generation key being dependent on said secret element, the transmission to the server by the client device, of said generated proof of knowledge of the secret element (A2) and of the authentication token (J) masked using the mask data item (A3), the verification of the validity of the masked authentication token (A4) and of the validity of the proof of knowledge by the server (A6) by a zero-knowledge proof, proving the knowledge of said secret element by the client device without revealing it.
Method for providing user authority certification service
Embodiments of a method for providing user authority information management service are provided. In some embodiments, the method includes a client server sending a request for authority information to an authority service server, the client server receiving the authority information from the authority service server and comparing the received authority information with authority information maintained in a client server memory, determining whether or not to download the authority information based on a result of the comparison between the received authority information and the maintained authority information, updating the client server memory according to whether the authority information is downloaded, and the client server performing user authority certification for each process operation to be performed by the client server.
Secured agent communications
A server communicates with a network appliance. The server includes an agent. The network appliance sends a request to the agent. The request includes an identification of a port. The agent negotiates a secured communication channel with the network appliance on the identified port to retrieve further instructions from the network appliance. The instructions includes one or more commands. The server reports the results of the executed command to the network appliance on the initial channel.
Shaping I/O traffic by managing queue depth in fractional increments
A method for managing input/output (I/O) traffic in an information handling system. The method may include receiving electronic I/O requests from a network-attached server, determining a queue depth limit, monitoring latency of processed electronic I/O requests, and processing received electronic I/O requests. The number of electronic I/O requests permitted to be processed over a period of time may be based on a mathematical combination of the queue depth limit and a latency of processed electronic I/O requests. The determined queue depth limit may be a fractional value.
Mobile voting and voting verification system and method
A voter verification system and method are provided. The voter verification system may include a mobile messaging aggregator configured to receive voter verification requests from one or more mobile carriers, and a mobile voter verification server configured to verify a voter's identity in response to a voter verification request and generate a voter verified code once the voter's identity has been verified. The mobile messaging aggregator may cause a link to the voter verified code to be transmitted to a mobile device of the voter, which when selected by the voter, allows the voter to cast a vote.
Method of access by a telecommunications terminal to a database hosted by a service platform that is accessible via a telecommunications network
A method enabling a telecommunications terminal to access a database hosted by a service platform that can be accessed via a telecommunications network. The method includes: transmitting, to a second terminal associated with a mobile identifier of a second telecommunications network, information representing a request for the first terminal to access the database; in the second terminal, sending a response to the access request to an authentication server of the platform; in the authentication server, when a response to the access request is received, verifying the mobile identifier of the second network, and optionally validating the access of the first terminal to the database depending on the outcome of the verification.
Method and apparatus of account login
The present disclosure discloses a method and an apparatus of account login to solve the problem of low efficiency of account login in existing technologies. A client of the method captures an image of a first credential of a user, recognizes user information of the user that is included in the captured image, includes the recognized user information into a login request, and sends the login request to a server for logging into an account that corresponds to the user information. Through this method, a user does not need to input his/her username when using a client for account login, but perform the account login by directly capturing an image of a first credential using an image capturing device of the client, thus effectively improving the efficiency of account login.
IC chip performing access control based on encrypted ID
There is provided an information processing apparatus including an encrypted-ID generation section which encrypts a unique ID to generate an encrypted ID, the unique ID being set as an ID unique to the information processing apparatus, a communication section which sends the encrypted ID as ID information to be sent to another apparatus, an individualization code holding section which holds, in advance, an individualization code capable of being generated by decrypting the ID information in the other apparatus, and an access key generation section which generates an access key used for authentication with the other apparatus based on the individualization code held by the individualization code holding section.
Mobile device security
A system is described for communicating with a mobile device. The mobile device exchanges an electronic message with a messaging server, where the message is encrypted with a messaging key. The mobile device encrypts a copy of the message with a monitoring key different from the messaging key, and sends the encrypted copy to a monitoring server remote from the messaging server. The mobile device communicates with the messaging server via a network router. The network router is configured to block transmission of an encrypted electronic message between the mobile device and the messaging server when an access condition is not met.
Context sharing between endpoint device and network security device using in-band communications
A network security device (NSD) is connected between a network and an endpoint device configured to host a client application. The client application communicates with the network through the network security device using a request-response protocol. The NSD receives from the client application a request destined for the network and that seeks a response from the network. The request has a context header including context information about the client application. The NSD determines whether the client application or a file accessed thereby has a suspicious nature based on the context information. If it is determined that the client application or the file accessed thereby has a suspicious nature, the NSD blocks the request from the network, and sends to the client application a response indicating the block.
Method for providing authoritative application-based routing and an improved application firewall
A method for providing authoritative application-based routing and an improved application firewall, as well as a method for application classification, is described. The first embodiment, which provides a method for authoritative application-based routing, comprises tagging packets with an application identifier, and pushing the tagged packets to the network to enable the application identifier to be used in routing and priority decisions. In the second embodiment, a method for improving application firewall comprises using the application identifier to minimize the amount of processing required by the firewall when analyzing packet information.
Secure analysis application for accessing web resources
Embodiments described herein may be directed to systems, methods, apparatuses, devices, computer program products, computer-executable instructions, and/or applications for securely and anonymously accessing web resources and customizable attribution of identity. In accordance with the present disclosure, a user may inspect and analyze a webpage as well as the underlying source code from an “arm's length” using a secure analysis application to prevent exposure on the user's local machine. The secure analysis application may provide increased flexibility in masking and/or modifying the user's digital persona to external websites. Additionally, the secure analysis application may be integrated with a translation service to translate textual web content without the web content provider being alerted that a translation is taking place.
Recovering lost device information in cable networks
In one embodiment, methods are described for recovering lost customer premises equipment (CPE) information on a cable modem termination system (CMTS) in the presence of only Dynamic Host Control Protocol Version 6 (DHCPv6) CONFIRM. A CMTS purges routing information for an Internet Protocol Version 6 (IPv6) node, such as a CPE router, in response to detecting an interface reset for the IPv6 node. IPv6 addresses and prefixes information for the IPv6 node is gleaned from a DHCPv6 CONFIRM message received from the IPv6 node. By sending portions of the IPv6 addresses and prefixes information within a DHCPv6 LEASEQUERY message, a DHCPv6 CONFIRM message with an embedded DHCPv6 LEASEQUERY message, or a DHCPv6 CONFIRM message with an Interface-ID option, a reply message can be received that contains the purged routing information for the IPv6 node.
Social media feedback for routing user communications
A call handling platform receives a call placed by a caller to a calling number. The platform examines parameters of the call, determines identifying information of the caller and matches the identifying information with a social network username corresponding to a social media network. The platform obtains the caller's social network data from the social media network. Using the social network data, the platform computes a social network influence score for the caller. The platform compares the social network influence score to a predetermined influence score threshold value and determines that the social network influence score for the caller indicates that the activity of the caller in the social media network has a high level of impact. The platform accordingly selects a first human agent at a call center and routes the call to the first human agent at the call center.
Systems and methods for communication of user comments over a computer network
Systems and methods for communication of user comments over a computer network are provided. Users may place and review comments on webpages or other resources without the resources necessarily expressly incorporating such commenting systems and methods. User comments may be associated with particular elements of resources (e.g. links, videos, pictures, text, HTML tags). Comments may be displayed to the user based on the position of their associated elements. Commenting systems and methods according to the present disclosure may flexibly associate comments with particular elements based on metadata such as one or more attributes of an element, so as to account for changes in resources over time. Users may review comments left by other users, and users' view of other users' comments may be restricted based on visibility settings. User activity profiles comprising displays of user activity across multiple unrelated resources may be provided.
Duplicate notification management
For managing multiple duplicative notifications, a method receives and parses, at a processor, a first notification. The method also receives and parses, at the processor, a second notification. The method also compares the second notification with the first notification to determine if the second notification has a substantially similar purpose as the first notification. The method also includes preventing, in response to the second notification having a substantially similar purpose, the second notification from being presented on a display.
Method and system of automating data capture from electronic correspondence
In some embodiments, electronic data may be automatically captured to provide a user with a universal Internet identity and e-mail address, comprehensive e-mail filtering and forwarding services, and e-receipt identification and data extraction. Detailed user e-mail preferences data stored at a central server may be selectively altered such that incoming correspondence is redirected in accordance with the user's preferences. Computer program code at the central server may parse incoming e-mail header information and data content, selectively extract data from identified types of correspondence, and forward the extracted data in accordance with the user's preferences. Additional computer program code may manipulate the extracted data in accordance with format requirements and display the manipulated data to a user in a desired format.
Flow-based packet modification
Communication apparatus includes a host interface, which is configured to be connected to a peripheral component bus, and a network interface, which is configured to be connected to a network. Packet processing circuitry is coupled between the host interface and the network interface and is configured to receive from a first interface, selected from among the host interface and the network interface, a data packet comprising a header containing multiple fields having respective values, to identify, responsively to a value of at least one of the fields, a corresponding entry in a header modification table, and to modify the header in accordance with the identified entry. The data packet with the modified header is transmitted through a second interface selected from among the host interface and the network interface.
Providing network resources based on available user information
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing network resources based on available user information. The methods, systems, and apparatus include actions of obtaining a set of user information, receiving a request to access a network resource, and in response to receiving the request to access the network resource, determining user information requested by the network resource. Additional actions include determining whether the set of user information satisfies the user information requested by the network resource and in response to determining that the set of user information satisfies the user information requested by the network resource, selecting a particular network resource to provide in response to the request. Further actions include in response to selecting the particular network resource, providing the particular network resource in response to the request.
Collaborative route reservation and ranking in high performance computing fabrics
Embodiments of the present invention provide a method, system and computer program product for collaborative route reservation in an HPC fabric. A method for collaborative route reservation in an HPC fabric includes selecting a target node in a cluster of nodes to receive a payload from a source node of the cluster over an HPC fabric and computing a route over the HPC fabric for transferring the payload from the source node to the target node, and also a duration of time requisite to transferring the payload. The method also includes notifying other nodes in the cluster of a reservation of the computed route for the duration of time and utilizing the computed route during the duration of time to transfer the payload. Finally, the method includes responding to completing transfer of the payload by notifying the other nodes that the computed path is no longer reserved.
Hierarchical mapping of applications, services and resources for enhanced orchestration in converged infrastructure
An apparatus comprises a processing platform implementing a plurality of resources of converged infrastructure of an information processing system. A controller associated with the plurality of resources comprises a resource discovery module and a hierarchical mapper. The resource discovery module is configured to identify and categorize the resources of the converged infrastructure. The hierarchical mapper is configured to map at least first and second applications of the processing platform to respective sets of services utilized by those applications and to map each of the services to respective sets of resources utilized by those services so as to provide a hierarchical mapping of applications, services and resources for the converged infrastructure. One or more resulting hierarchical mappings generated by the hierarchical mapper are stored in a database and utilized by the controller to implement orchestration functionality for one or more additional applications of the processing platform.
System and method for providing a work manager in a multitenant application server environment
In accordance with an embodiment, described herein is a system and method for providing a work manager for use in an application server environment. In accordance with an embodiment, a system administrator can configure a partition work manager to provide partition work request prioritization (fair share value) to each partition within a multitenant application server environment. The system administrator can additionally configure the partition work manager to impose a minimum threads constraint limit, a partition capacity constraint, and/or a partition maximum threads constraint, all of which restrict the use of thread resources by the partitions within the environment.
Apparatus, system, and method for achieving redundancy and load-balancing across communication layers within networks
The disclosed method may include (1) identifying a customer edge router that is multi-homed to a provider edge router and another provider edge router, (2) determining, by the provider edge router, that the other provider edge router has identified an Internet Protocol address of the customer edge router by way of an Address Resolution Protocol, (3) learning, by the provider edge router, the Internet Protocol address of the customer edge router from the other provider edge router, and then (4) advertising, by the provider edge router to at least one gateway of at least one other customer edge router, a route that facilitates communication with the customer edge router via the provider edge router based at least in part on the Internet Protocol address of the customer edge router. Various other methods, systems, and apparatuses are also disclosed.
Network address family translation method and system
The present invention, generally, is directed towards an Internet protocol (IP) address family translation system and method. Such application is directed towards providing the ability to send and receive communications sessions between communication nodes, network edge devices, and the like, using more than one Internet protocol. This application is especially advantageous where communication sessions need to be transferred from one location to a second using the public Internet, i.e., Internet access provided by third-party Internet service providers (ISPs). The present invention, also, provides a translation system and method which may allow a communication node or a network edge device to recognize and interpret communication sessions received over a third-party Internet connection from a device hidden by a third party ISP-provided NAT implementation.
Resilient peer-to-peer application message routing
A network routing table includes destination addresses of destination applications hosted on peer nodes of a network. A primary processor registers a first destination application and a second destination application, where the first destination application is the same as the second destination application and both the first destination application and the second destination application have the same destination address. That processor also provides the peer nodes and a secondary processor with a copy of the table. When the first destination application is inactivated, all peer nodes and the secondary processor are provided with a copy of an updated routing table indicating inactivation of the first destination application and routing of the application message to the second destination application. A further application message addressed from any of the peer nodes to the destination address associated with the inactivated first destination application will be routed, via the updated routing table, to the second destination application having the same destination address as the inactivated first destination application. The secondary processor provides the copy of the routing table and the copy of the updated routing table in case of failure of the primary processor in response to a request from the querying peer node.
Distributed logical L3 routing
For a network controller for managing hosts in a network, a method for configuring a host to resolve network addresses is described. The method configures an address resolution module in a host to resolve a network address. The method configures a managed forwarding element in the host to (1) avoid sending a request to resolve the network address to another host by using the address resolution module to resolve the network address and (2) forward packets using the resolved network address.
Routing traffic over chaotic networks
In one embodiment, a device in a network receives packet arrival information for a packet from a neighbor of the device in the network. The packet arrival information indicates a likelihood of the packet being received by a target node that is moving in the network were the packet forwarded by the neighbor to the target node. The device forwards the packet to the target node based on a determination that the device has a higher likelihood of the packet being received by target node were the packet forwarded by the device to the target node than were the packet forwarded by the neighbor to the target node.
Methods, systems, and computer readable media for performing stateful diameter routing with diameter routing agents that use different mechanisms to achieve stateful routing
Methods, systems, and computer readable media for performing stateful Diameter routing with Diameter routing agents (DRAs) using different mechanisms to achieve stateful routing are disclosed. According to one aspect, a system for performing stateful Diameter routing with DRAs that use different mechanisms to achieve stateful routing includes a set of Diameter signaling routing nodes. Each node has access to at least one database for maintaining state information. The nodes are configured to be members of a first group, where each member of the first group is configured to use a first mechanism to achieve stateful routing with other members of the first group, and to use a second mechanism to achieve stateful routing with nodes that are not members of the first group. Members of the first group include signaling nodes provided by a same vendor, and members not in the group include signaling nodes provided by a different vendor.
Methods, systems, and computer readable media for peer aware load distribution
Methods, systems, and computer readable media for peer aware load distribution are disclosed. According to one method, the method includes steps occurring at a DSR comprising a plurality of message processors. The method also includes receiving Diameter messages associated with two or more Diameter sessions, wherein each of the two or more Diameter sessions is associated with a first peer group and assigning, using the first peer group and a peer aware load distribution algorithm, the two or more Diameter sessions to two or more message processors of the plurality of message processors, wherein the peer aware load distribution algorithm distributes Diameter sessions associated with the first peer group among the two or more message processors for avoiding a single point of failure.
Method, system, and apparatus for proxying intra-subnet traffic across multiple interfaces within networks
The disclosed computer-implemented method may include (1) creating, at a proxy node within an IP network, a proxy group that includes a plurality of network nodes within a subnet of the IP network that are represented by a pseudo MAC address, (2) receiving a neighbor solicitation from a network node included in the proxy group, (3) identifying, within the neighbor solicitation, a link-layer address of the network node that sent the neighbor solicitation, (4) modifying the neighbor solicitation by replacing the link-layer address of the network node with the pseudo MAC address of the proxy group, and then (5) forwarding the modified neighbor solicitation to another network node included in the proxy group to facilitate completion of an NDP process in which the other network node responds to the modified neighbor solicitation with a neighbor advertisement proxied by the proxy node. Various other methods, systems, and apparatuses are also disclosed.
Redundant pathways for network elements
A method for establishing an alternate pathway to an endpoint that may determine that a network connection is lost between a first network element and an application server. The method may select a second network element from a virtual network operating on an optical network. The second network element may include a network connection over the optical network to the application server, and a network connection to the first network element over the virtual network. The method may designate the second network element to act as a network proxy to the first network element. The first network element may use the second network element as the network proxy for receiving data over the virtual network. The method may receive data from the application server at the first network element using the second network element as the network proxy.
System, method, and computer program for testing virtual services
A system, method, and computer program product are provided for testing virtual services. In use, at least a portion of a system to implement at least one modification is identified, the system including a plurality of services and the modification including one or more of an addition of at least one new virtual service or an update of at least one existing virtual service. Further, the at least one modification is implemented to the at least a portion of the system to generate an updated portion of the system and an original portion of the system, the updated portion of the system including the one or more of the addition of the at least one new virtual service or the update of at least one existing virtual service. Additionally, the updated portion of the system is tested by: receiving input data associated with the updated portion of the system; duplicating the input data to generate a first input data and a second input data; processing the first input data with the updated portion of the system and processing the second input data with the original portion of the system; and comparing at least a portion of an output from the updated portion of the system with at least a portion of an output from the original portion of the system.
Using status inquiry and status response messages to exchange management information
A status inquiry message is received at a first machine, wherein the status inquiry message is a network protocol layer request. A status response message is generated at the first machine, the status response message responsive to the network protocol layer request. Management information is attached to the status response message, the management information including application layer information about one or more of the first machine and a service operating on the first machine. The status response message is transmitted to the second machine.
M2M-based ticket application method and system, and terminal device
Provided are an M2M-based ticket application method, an M2M-based ticket application system, and a terminal. The method includes that after completing a registration onto an electronic ticket M2M platform, an electronic ticket M2M terminal sends a service request message to the electronic ticket M2M platform; after processing the service request message, the electronic ticket M2M platform sends a service request message to an electronic ticket M2M application; and after processing the service request message, the electronic ticket M2M application sends a service response message to the electronic ticket M2M terminal. The electronic ticket M2M terminal in the system is configured to send a service request message to the electronic ticket M2M platform after completing a registration onto the electronic ticket M2M platform.
Method for transmitting data streams through a telecommunication network
Provided is a method for controlling exchanges of data streams between at least one source connected to a hybrid wide area telecommunication network via a local area access network and at least one recipient connected to the wide area telecommunication network via a remote access network. The method includes the steps of: setting new transfer rules through the analysis of the streams, dynamically creating at least one additional stream exchange path from the new transfer rules and the access rules in force, applying on the additional path burn-in, securization and optimization mechanisms for the stream transfers between the local area access network and the remote access network, and transferring each new stream to the recipient via the additional path according to the new transfer rules.
Delegated network management services
A method for providing a management function requested by a user that uses a managed device includes establishing a session on a managed device in response to a user logging into an account on the managed device, establishing a delegated management session on a management device, the delegated management session corresponding to the session on the managed device, receiving a management message on the management device, the management message being related to a management function requested by the user, and in response to the received management message, performing the management function using the management device.
Architecture for operational support system
A network management system for management of a communications network is disclosed. The system comprises an inventory database storing a network inventory comprising information representative of network resources of the communications network. The system comprises means for receiving a change request specifying a modification to be made to the network, and an inventory update component adapted to modify the network inventory in response to the change request. The system also includes an implementation component adapted to access the inventory database, identify modifications made to the network inventory, and transmit configuration data to the network to implement the inventory modifications in the network.
Distributed system for self updating agents and analytics
A distributed system includes a plurality of managed devices of an infrastructure that includes a plurality of system parameters. At least one agent is in communication with the managed devices. The at least one agent is configured to determine which of a managed device it runs on. A server is in communication with the at least one agent, with the at least one agent communicating over a subscribed bus. A portal bridge is in communication with the bus and communicates through a client's firewall to a Network System. A server is provided with a database of anomies and time series, wherein a repository of system parameters run on the server.
Discovery of a set of nodes in a network
Methods and systems for discovery of a set of nodes in a network. The method comprises selecting a node amongst nodes in a group of nodes to be processed; and instructing to implement a discovery procedure for the selected node. The procedure comprises broadcasting a neighbor discovery request from a node currently selected on a shared transmission medium of the network; and receiving at the node currently selected replies sent by neighbor nodes on the shared transmission medium and adding the neighbor nodes to the group of nodes to be processed; and repeating the steps of selecting and instructing for other nodes in the group of nodes to be processed, until all nodes of the set are discovered.
System and method for multitenant-aware console for use in a multitenant application server environment
Described herein is a system and method for providing and administering a partitionable environment for operating application software. The environment is provided together with a plurality of deployable resources usable within the environment and one or more resource group templates. Each resource group template defines a grouping of the deployable resources within a domain. An administration console is usable to create and configure one or more partitions within the domain, with each partition providing an administrative and runtime subdivision of the domain. The administration console can be set to display the one or more partitions and enable creation and configuration of specific artifacts within the one or more partitions.
Method and apparatus for displaying router setup interface
There is provided a method for displaying a router setup interface. The method is performed by a terminal and includes: receiving broadcast information from a wireless router; acquiring configuration parameters contained in the broadcast information; determining, based on the configuration parameters, whether an initialization setup of the wireless router is completed; if it is determined that the initialization setup of the wireless router is not completed, establishing a connection with the wireless router; acquiring a setup interface of the wireless router through the connection; and displaying the setup interface.
Method and system for virtual storage array mobility and live migration using locator-identifier separation protocol
Example embodiments of the present invention relate to a method, a system, and a computer program product for implementing a locator-identifier separation protocol for a virtual storage array. The method includes associating an endpoint identifier to a virtual storage array in a datacenter and associating a routing locator with the endpoint identifier in accordance with a locator-identifier separation protocol. Communications with the virtual storage array then may be directed according to the endpoint identifier via its association with the routing locator.
Quality of service for high network traffic events
A computer system with instructions for providing quality of service includes identifying a high network traffic event at a node, providing a user score to each user account of a plurality of user accounts, wherein the plurality of user accounts corresponds to a plurality of user devices connected to the node, and responsive to identifying the high network traffic event, providing instructions to a subset of user devices of the plurality of user devices, wherein the instructions instruct the subset of devices to enter a low traffic mode, and wherein each device of the subset of devices corresponds to a user account with a user score below a threshold.
Configuration management via self-aware model
Methods and systems for configuration management of computer applications implemented in different configurations use configuration parameters having assigned scopes of applicability. A method includes storing configuration parameters for a computer application for the different configurations. The stored configuration parameters have assigned scopes of applicability. At least one of the assigned scopes of applicability is selected and used to select a set of configuration parameters from the stored configuration parameters for application to a corresponding running instance of the computer application.
Log management system and method for distributed computing systems
A log management system includes a computer executable application that may be executed to obtain a first log entry from a first resource of a distributed computing system having multiple resources, and obtain resource information about at least one other resource of the distributed computing system that is correlated with the first resource. From the resource information, the application obtains one or more log entries from the correlated resource, and displays the first log entry and the correlated log entry on a display.
System for cloud-based service outage detection and verification
An embodiment provides a system for cloud-based service outage detection and verification, including: a network link that receives, over a data communications network, cloud service provider outage information according to a predetermined retrieval policy; a processor that generates, using text data derived from the cloud service provider outage information, outage data comprising a third party cloud service provider identification and an outage characteristic; and a database that stores the outage data indexed according to cloud service provider identification and outage characteristic; the processor receiving, over the data communications network, data of a requesting entity; the processor thereafter identifying that the requesting entity subscribes to a cloud-based service of the third party cloud service provider based on a query using the database; and in response to the processor determining that the requesting entity subscribes to a cloud-based service of the third party cloud service provider, confirming that the-cloud based service has experienced an outage based on the outage data stored in the database and providing a verification indication to the requesting entity. Other embodiments are described and claimed.
Method and apparatus for high-speed data transfer employing self-synchronizing quadrature amplitude modulation
Methods and apparatus for wired communications are disclosed. A method for transmitting a data stream through a wired communications channel includes encoding the data stream to produce a first baseband modulating signal I(t) and a second baseband modulating signal Q(t) whose amplitudes together represent a time series of complex symbols (I, Q) each selected from a two-dimensional (2-D) constellation of symbols distributed on the phase plane about the origin such that at least one of the baseband modulating signals has a substantially non-zero mean amplitude, modulating the baseband signals I(t) and Q(t) to produce a modulated signal, wherein the I(t) and Q(t) components of the modulated signals are generally fixed in quadrature, and providing the modulated signal to a wired communications channel.
Data demodulation method, user equipment, base station, and system
A data demodulation method, apparatus, and system are presented. The method includes obtaining notification information indicating that UE is in a high-speed moving state; performing time-frequency synchronization processing on first downlink data according to the notification information to obtain second downlink data; and performing demodulation processing on the second downlink data to obtain third downlink data, where in the demodulation processing, inter-TTIs filtering for a channel estimation is not performed, or a filtering coefficient as a weight of a current TTI for a channel estimation is greater than a filtering coefficient as a weight of a TTI that is at the time when the UE is in the non-high-speed moving state for a channel estimation. The demodulation method is applicable to a high-speed scenario for improving a downlink data throughput of the UE.
Transmitter, receiver, and methods for controlling thereof
A transmitting apparatus, a receiving apparatus and controlling these apparatuses with regard to antenna identification information are provided. The transmitting apparatus includes: a frame generator configured to generate a plurality of frames which include a preamble symbol and a data symbol; and a transmitter configured to group a plurality of sub-carriers for the plurality of frames into a plurality of groups, insert in the plurality of frames antenna identification information controlling a sum of phase differences between the plurality of groups, calculated based on identification information about at least one external antenna of the transmitting apparatus, to be lowered than a predetermined threshold value, and transmit the plurality of frames in which the antenna identification information is inserted.
Broadcasting signal transmitter/receiver and broadcasting signal transmission/reception method
According to an aspect of the present invention, a method of transmitting service data may include encoding service data, mapping the encoded service data, MIMO encoding the mapped data using a MIMO matrix, time-interleaving the MIMO encoded data, building a signal frame including and signaling data and the time-interleaved data, frequency interleaving the time-interleaved data in frequency domain, modulating the signal frame including the frequency-interleaved data by OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the modulated signal frame.
Measuring device and method
A measuring device serves for the detection of a simultaneous presence of at least a first signal and a second signal in a measurement signal. The measuring device contains a receiver for receiving the measurement signal as a digital measurement signal and a processor. This processor includes a transformer for transforming the digital measurement signal into a measurement signal in the frequency domain. The processor further contains a subtractor for subtracting the first sideband of the measurement signal in the frequency domain from a second sideband of the measurement signal in the frequency domain. In this context, the subtractor generates a residual signal.
Method and apparatus for sounding in wireless communication system
Disclosed are a method and an apparatus for sounding in a wireless communication system. A method for sounding in a wireless local area network (WLAN) may comprise: a step of receiving, by an STA, an NDPA frame from an AP; a step of receiving, by the STA, an NDP frame on the basis of identification information included in the NDPA frame; and a step of transmitting, by the STA, channel state information determined on the basis of the NDP frame to the AP, wherein the NDPA frame may be demodulated on the basis of a first FFT and the NDP frame may be demodulated on the basis of a second FFT.
Large-scale data center based on a contiguous network
A large-scale data center is based on orthogonal connectivity of a distributed single-stage connector, having a large number of disjoint primary switches, to a large number of access nodes and a large number of secondary switches. The secondary switches are coupled to a large number of servers forming a server farm. The orthogonal-connectivity scheme yields a contiguous network providing single-hop paths from each access node to each other access node, from each secondary switch to each other secondary switch, from each access node to each secondary switch, and from each secondary switch to each access node.
Bridge-based data transmission architecture, in particular for use in on-board avionics
A data transmission architecture, in particular for use in on-board avionics is disclosed. The data transmission architecture includes at least one main data transmission network with integrated functional nodes for connecting a plurality of peripheral data transmission networks to the main network, in order to provide data transmission between the networks. The data transmission architecture also includes a direct connection of peripheral networks to one another so as to allow the transmission of data directly between the peripheral networks without passing through the main network. The main network includes a plurality of associated sub-networks.
Extended ring-like communication architecture
Various systems and methods for fault-tolerant and otherwise optimized communication, in which a system includes communication nodes connected by wireless data links together forming a ring structure, as well as additional wireless data links operative to partition the ring structure into multiple sub-ring structures. The system is operative to select, per each of the sub-ring structures, one of the wireless data links to remain dormant, thereby effectively creating a certain communication tree structure. The system is further operative, upon detecting a communication problem or inefficiency in any or all of the sub-ring structures, to shut-down, per sub-ring structure detected, the problematic or otherwise inefficient wireless data link, and to reactivate instead the dormant wireless data link, thereby effectively switching to a new communication tree structure, and thus resolving the problem or otherwise improving efficiency.
Transmission apparatus, connection device, and method so that multiple ethernet MAC ports can be simultaneously supported
Embodiments of the present invention provide a transmission apparatus, a connection device, and a method, where the apparatus includes N Ethernet Medium Access Control MAC ports, where each Ethernet MAC port is corresponding to a first MII interface, K Ethernet physical layer interfaces, where each Ethernet physical layer interface is corresponding to a second MII interface, and a connection device, where both N and K are positive integers; where the connection device is configured to control a time-division interconnect bus in the connection device or a time-division space-division switching matrix in the connection device to implement a connection between a timeslot of the first MII interface and a timeslot of the second MII interface, where the N Ethernet MAC ports and the K Ethernet physical layer interfaces are separately connected to the connection device by using the first MII interfaces and the second MII interfaces.
Information processing method and electronic device
An information processing method and an electronic device are described where the method includes receiving and storing a first set of rule information, the first set of rule information including one piece or more pieces of first rule information, each piece of first rule information indicating a specific rule that a first control device triggers a second sub-device to perform a predetermined operation in response to detection of a predetermined condition of a first sub-device; extracting second rule information from each piece of first rule information to generate a second set of rule information; and transmitting the second set of rule information to the second control device.
System and method for providing network support services and premises gateway support infrastructure
A service management system communicates via wide area network with gateway devices located at respective user premises. The service management system remotely manages delivery of application services, which can be voice controlled, by a gateway, e.g. by selectively activating/deactivating service logic modules in the gateway. The service management system also may selectively provide secure communications and exchange of information among gateway devices and among associated endpoint devices. An exemplary service management system includes a router connected to the network and one or more computer platforms, for implementing management functions. Examples of the functions include a connection manager for controlling system communications with the gateway devices, an authentication manager for authenticating each gateway device and controlling the connection manager and a subscription manager for managing applications services and/or features offered by the gateway devices. A service manager, controlled by the subscription manager, distributes service specific configuration data to authenticated gateway devices.
System and method for controlling multicast geographic distribution
A content distribution network includes first and second controllers, and multicast enabled routers. The first controller is configured to select a multicast channel for distributing content, to determine that the content has a geographic restriction associated with a restricted area in the content distribution network, to link an exclusion policy for the content to the multicast channel while the multicast channel provides the content, and to deny a request for the content from a client system within the restricted area based on the exclusion policy. The second controller is configured to distribute the exclusion policy to the multicast enabled routers including a first router configured to store the exclusion policy, and to ignore a multicast join message from the client system within the restricted area based on the exclusion policy.
Idle scheduling method and home network node
The embodiment of the present document relates to an idle scheduling method and a home network node, wherein the method includes: a domain master node performing an idle scheduling on intra-domain ordinary nodes according to an idle scheduling policy; when the domain master node determines that all the intra-domain ordinary nodes are in a energy-saving mode according to the idle scheduling information of all the intra-domain ordinary nodes, the domain master node entering into the energy-saving mode, and when all the intra-domain ordinary nodes are in an idle state, the domain master node being in the idle state.
PoE power utilization arrangement and method
A PoE power utilization method constituted of: detecting a first function of a voltage between a current path node and a current return path node during a first time period and during a second time period, the second time period different than the first time period; sensing a second function of the magnitude of a current flowing through the current path during the second time period; responsive to the detected first time period voltage function, the detected second time period voltage function and the sensed second time period current magnitude function, determining a third function of a resistance seen by the current path; and outputting an indication of the determined resistance function.
Certificate distribution using derived credentials
Disclosed are approaches for distributing credentials using derived credentials, such as by relaying a simple certificate enrollment protocol (SCEP) payload. A computing device configures a device profile corresponding to a client device. The device profile can include a SCEP payload. The computing device later receives an override for the SCEP payload from a broker service. In response, the computing device creates a copy of the device profile that includes the override for the SCEP payload. The computing device then sends the copy of the device profile to the client device.
Digital rights management system and method
An architecture for application of digital rights management to industrial automation devices including programmable logic controllers (PLCs), I/O devices, and communication adapters is provided. Digital rights management involves a set of technologies for controlling and managing access to device objects and/or programs such as ladder logic programs. Access to automation device objects and/or programs can be managed by downloading rules of use that define user privileges with respect to automation devices and utilizing digital certificates, among other things, to verify the identity of a user desiring to interact with device programs, for example. The architecture can provide for secure transmission of messages to and amongst automation devices utilizing public key cryptography associated with digital certificates.
System and method for providing auditable secure seeds to random number generators across multiple entities
A processor generates a first seed, wherein the first seed is a random number. The processor generates, a digital signature of the first seed. An interface communicates digital signature of the first seed to a first remote entity. The interface receives a digital signature of a second seed. After communicating the digital signature of the first seed to the first remote entity, the interface receives the second seed from the first remote entity. After receiving the digital signature of the second seed, the interface communicates the first seed to the first remote entity. The processor determines, using the digital signature of the second seed and the second seed, whether the second seed is valid. Upon a determination that the second seed is valid, the processor combines the first seed and the second seed to form a drawing seed. The processor generates a first draw result using the drawing seed and a drawing algorithm. The interface receives a second draw result from the first remote entity. The processor compares the first draw result and the second draw result. The processor communicates the draw results upon a determination that the first draw result and the second draw result are in agreement.
Management of cryptographic keys
An electronic device for management of cryptographic keys, and a corresponding method implemented in a computing device comprising a physical processor, transmit feature data of the device to a key generation module, wherein the feature data comprises information corresponding to an identifier or an attribute of the device, and receive, by the device from the key generation module, a digital signature of the transmitted feature data. The device installs the received digital signature as a cryptographic private key for communication, and performs a cryptographic operation using the installed digital signature as the cryptographic private key.
Differential key backup
A method begins by computing device receiving a store data object message. The method continues by determining at least a portion of the data object. The method continues by determining an encryption key based on the at least a portion of the data object and a key reference of the encryption key. The method continues by retrieving a prior encryption key with a similar key reference from dispersed storage network (DSN) memory and calculating a difference key based on the encryption key and the prior encryption key. The method continues by creating encryption key information including the difference key and the similar key reference of the prior encryption key and encrypting the portion of the data object utilizing the key in accordance with operational parameters.
Method for generating a secret or a key in a network
A method for generating a secret or a key in a network, the network including at least one first and one second member and a transmission channel between at least the first and the second members. The first and second members being able to place at least one first value and one second value on the transmission channel. The first member causes a first member value sequence and the second member causes a second member value sequence to be transmitted over the transmission channel largely synchronously with each other. The first member and the second member generate a shared secret or a shared key on the basis of information about the first member value sequence and the second member value sequence and on the basis of an overlap value sequence resulting from the overlap of the first member value sequence with the second member value sequence on the transmission channel.
Hearing device with communication protection and related method
A hearing device includes: a processing unit configured to compensate for hearing loss of a user of the hearing device; and an interface; wherein the processing unit is configured to: receive a session request for a session via the interface, obtain and store a session key, encrypt the session key based on a hearing device key, send a session response comprising the encrypted session key, and receive session data in the session via the interface.
Non-linear physically unclonable function (PUF) circuit with machine-learning attack resistance
Embodiments include apparatuses, methods, and systems for a physically unclonable function (PUF) circuit. The PUF circuit may include an array of PUF cells to generate respective response bits of an authentication code in response to a challenge bit string. The PUF cells may include a pair of cross-coupled inverters, the individual inverters including independently selectable pull-down or pull-up legs. One of the pull-up or pull-down legs of each inverter may be selectively activated based on the challenge bit string. The PUF cells may further include first and second configurable clock delay circuits to pass respective clock signals to pre-charge transistors of the PUF cell. A dark bit masking circuit may generate a soft dark bit mask for the PUF circuit. Other embodiments may be described and claimed.
Ethernet physical layer circuit and clock recovery method thereof
An Ethernet physical layer circuit and a clock recovery method are provided. An analog-to-digital converter samples an analog input signal with a sampling clock to generate a digital input signal. A clock generator is coupled to the analog-to-digital converter, outputs the sampling clock to the analog-to-digital converter, and adjusts a phase of the sampling clock according to a phase control signal. The clock recovery circuit is coupled to the analog-to-digital converter and the clock generator, detects a timing error of the digital input signal at refresh stages in a lower energy consumption idle mode to obtain phase adjustment information, and generates the phase control signal based on the phase adjustment information at quiet stages in the low power idle mode. The clock generator correspondingly receives the phase control signal in the quiet stages to adjust the phase of the sampling clock.
Full duplex radio communication
A method performed under control of a first device capable of full duplex radio communications may include receiving a first part of a first data from a second device capable of the full duplex radio communications; determining that the second device has transmitted the first data to the first device, based, at least in part, on the received first part of the first data; and transmitting a second data to the second device, while receiving a second part of the first data from the second device.
Uplink control channel configuration for a secondary cell in a wireless network
A wireless device receives a plurality of parameters of a plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups comprising a primary PUCCH group and a secondary PUCCH group. The plurality of parameters comprise configuration parameters for a secondary cell. The secondary cell is mapped to the secondary PUCCH group if a first parameter is present in the configuration parameters, otherwise the secondary cell is mapped to the primary PUCCH group. The secondary cell is considered to be the PUCCH secondary cell if PUCCH parameters are present in the configuration parameters.
System and method for sharing a control channel for carrier aggregation
A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource allocated by a resource grant within a multi-carrier communication system wherein resource grants are specified by control channel element (CCE) subset candidates, the method comprising the steps of identifying the number of configured carriers used to communicate with the access device, based on the number of configured carriers used to communicate with the access device, identifying a number of CCE subset candidates to decode and decoding up to the identified number of CCE subset candidates in an attempt to identify the resource grant.
IEEE 802.11 communication utilizing carrier specific interference mitigation
Wireless communication under IEEE 802.11 standards utilizing carrier specific interference mitigation where an AP or UE employs an ultra-wideband tuner to evaluate available spectrum between several communication bands. Rather than being constrained to communicate in a single communication band, the AP and UEs may utilize more than one communication band to communicate with one another. In doing so, the AP and UE search across several bands and measure interference on a carrier-by-carrier basis across those bands. Either of the AP and UE may select a cluster of carriers for communication, where the cluster of carriers may comprise 1) contiguous carriers in a single sub-channel, 2) contiguous carriers spanning across more than one sub-channel, 3) discontinuous carriers in a single sub-channel, or 4) discontinuous carriers spanning across more than one sub-channel. The mapping between a cluster and its carriers can be fixed or reconfigurable.
Beam switching and recovery
Apparatuses and methods of beam switching are presented. A beam switch message (BSM) is transmitted to a second device via a first beam set. The BSM includes a command to switch from communication via the first beam set to communication via a second beam set at a switch time. It is determined whether a response message is received from the second device via the first beam set, the response message indicating that the second device received the BSM. A communication is sent to the second device via the second beam set after the switch time when the response message is unreceived.
Base station, terminal, search space setting method and decoding method
The invention provides a base station that does not cause the number of blind decodings to be increased and further can prevent the flexibility of resource allocation from degrading. A search space setting unit sets search spaces each of which is constituted by one or more control channel elements (CCEs) and each of which is to be decoded in the terminals and each of which is defined by a plurality of to-be-decoded candidates. An allocating unit places, in one of the plurality of to-be-decoded candidates included in the search space, a control channel. The number of connections of CCEs constituting the to-be-decoded candidate is associated with the number of to-be-decoded candidates. The search space setting unit causes, in accordance with the control channel to be transmitted, the association of the number of connections of CCEs constituting the to-be-decoded candidate with the number of to-be-decoded candidates to differ.
Signal fields in a high efficiency wireless local area network (WLAN) data unit
A first signal field to be included in a preamble of a physical layer (PHY) data unit is generated. The first signal field includes formatting information for a second signal field to be included in the PHY data unit. The formatting information includes an indication of a number of orthogonal frequency division multiplexing (OFDM) symbols in the second signal field. The second signal field is generated according to the formatting information in the first signal field. The second signal field includes formatting information for a data portion of the PHY data unit. The data portion is generated according to the formatting information in the second signal field. The preamble is generated to include at least the first signal field and the second signal field, The PHY data unit is generated to include the preamble and the data portion.
Terminal, base station, and communication method
A base station includes a transmission unit and a reception unit. The transmission unit transmits a first uplink-downlink configuration in notification as information specific to the base station, a second uplink-downlink configuration configured as information specific to the terminal. The reception unit receives HARQ response information by using a PUCCH resource for the HARQ response information to PDSCH transmission of the terminal. The PUCCH resource is given based on elements in a set defined by a table. The table is defined for a combination of the first uplink-downlink configuration and the second uplink-downlink configuration.
Method and apparatus for decoding data in receiver that uses non-binary low density parity check code
Provided is a method for receiving data in a receiver that performs decoding using a non-binary Low Density Parity Check (LDPC) code. The method includes generating a message vector for each symbol by demodulating received data; determining data characteristics and channel characteristics of the received data; determining the number of vector elements to be used for decoding among vector elements of the message vector using at least one of the data characteristics and the channel characteristics; and selecting vector elements according to the determined number of vector elements, and decoding the received data using the selected vector elements.
Control circuit of wireless user equipment
A control circuit of a wireless user equipment includes: a PDCP layer computing circuit for reading a PDCP SDU from a PDCP SDU buffer of a memory device of the wireless user equipment, and for generating a ciphered data based on the PDCP SDU; a RLC layer computing circuit for generating a RLC PDU based on the ciphered data; a MAC layer computing circuit for generating a MAC PDU based on the RLC PDU; and a channel encoding circuit for encoding the MAC PDU. The PDCP layer computing circuit directly transmits the ciphered data to the RLC layer computing circuit, the RLC layer computing circuit directly transmits the RLC PDU to the MAC layer computing circuit, and the MAC layer computing circuit directly transmits the MAC PDU to the channel encoding circuit, without buffering above data in any buffering circuit outside the control circuit.
Accessing CP channels with LP terminals via wavefront multiplexing
An apparatus comprises a wavefront muxing processor receiving first and second input signals to generate first and second output signals on first and second communication channels, respectively, the first and second output signals being at a common frequency slot and having relative differential amplitude and phase delays; and an amplitude and phase adjustment element located at one of the first and second communication channels to adjust the relative differential amplitude and phase delays using an adjustment amount to reduce interference in the first and second communication channels. The first output signal is a weighted sum of the first input signal and the second input signal that is phase shifted by a second phase shift. The second output signal is a weighted sum of the second input signal and the first input signal that is phase shifted by a first phase shift. The two output signals are transmitted to a transponder.
Mode-multiplexing control method, and transmission apparatus and reception apparatus for the same
A mode-multiplexing control method, and a transmission apparatus and reception apparatus for the same, the mode-multiplexing control method performed by the transmission apparatus, the mode-multiplexing control method including measuring data traffic, determining a transmission mode count to be used based on the measured data traffic, and transmitting data to a reception apparatus through an optical line in transmission modes corresponding to the determined transmission mode count.
Wireless radio frequency instrumentation and adaptive network management system
Proactive systems for monitoring, diagnosing, and providing a plan of corrective action for Radio Frequency (RF) hardware components as part of a greater system or network in telecommunications. The system can be used for remote sites and in conjunction with current network management tools as the most prolific and fundamental piece of instrumentation in telecommunication networks. The system can be used simply as an RF development instrument for any industry requiring the use of high frequency signals. It consists of four sensor modules that are wirelessly linked to a receiver module which could be miles away. The sensors are: RF power detector, Spectrum Analyzer, Interference Cancelling Synthesizer, dual function RF power detector and spectrum analyzer. The data gathered allows the user to create a profile for specific malfunctions in the RF chain, as well as interference direction, strength and source type leading to remotely deployed solution, and a mobile network.
Low-latency adjustment of flexible transceivers using pilot signal
In an optical communication system having flexible transceivers, a transmitter section of one of the flexible transceivers generates a modulated pilot signal whose amplitude or phase or both have been modulated according to a digital code. An optical signal is transmitted from the transmitter section to a receiver section of another of the flexible transceivers. The optical signal conveys data and the modulated pilot signal. The digital code encodes parameter information for the transmitter section and for the receiver section. The receiver section receives the modulated pilot signal, determines the digital code by demodulating the modulated pilot signal, and determines the parameter information from the digital code. The transmitter section and the receiver section adjust their configuration according to the parameter information. The receiver section, while configured according to the parameter information, processes received data or future received data.
An adaptive demapper adaptively demaps an input symbol. An input symbol is received and demapped in a hard-output demapper to generate a current detected symbol corresponding to a constellation point on a current constellation closest to the input symbol. A corrected inverse of a current noise power estimate is determined by updating a previous noise power estimate based on a difference between the input symbol and the current detected symbol. In a soft-output demapper, a log likelihood ratio corresponding to the current detected symbol is determined based on the corrected inverse of the current noise power estimate. The constellation point in the current constellation corresponding to the current detected symbol is then updated to generate an updated constellation based on a difference between the constellation point and the received input symbol.
Polarization-controlled optical channel and memory device including the same
A memory system includes a memory controller, a plurality of memory modules, and a memory bus connecting the memory controller and the plurality of memory modules. The memory bus includes at least one polarization-controlled optical channel configured to control a polarization of transmission light in response to a plurality of selection signals in order to transfer the transmission light to a target memory module among the plurality of memory modules. The transmission light is linearly-polarized light provided from the memory controller, and the plurality of selection signals correspond to the plurality of memory modules, respectively.
Apparatuses and methods for transmitting and receiving control signal in analog radio-over-fiber (ROF)-based mobile fronthaul
An apparatus for transmitting a control signal in a radio-over-fiber (RoF)-based mobile fronthaul includes: a data channel transmitter configured to generate a data signal at a preassigned frequency or wavelength; a control channel transmitter configured to generate a control signal at a designated frequency or wavelength that is shared with other apparatuses; and a combiner configured to combine the data signal with the control signal.
A bidirectional optical amplifier amplifies optical signals having signal wavelength and signal power input from two directions. The amplifier is arranged so that two counter-propagating signals pass through a first pumped rare earth doped pre-amplifier before passing through other amplifiers downstream. Optical circulators route the two counter propagating signals so that they both pass through in a counter-propagating manner through subsequent pumped rare earth doped amplifiers downstream.
System and method using a gated retro-reflector for visible light uplink communication
A device uses gated retro-reflectors to transmit uplink data in a visible light communication (VLC) system. The gated retro-reflector includes a retro-reflector and a gating shutter between the retro-reflector and a VLC light source. A light sensor receives VLC data at regular intervals in which a light pulse received during one of the intervals represents a first downloaded symbol and absence of a light pulse during another one of the intervals represents a second downloaded symbol. A controller controls the gating shutter to send uplink data from the device responsive to each received VLC light pulse. The controller opens the gating shutter during the reception of a VLC light pulse to upload a first uploaded symbol and closes the gating shutter during the reception of a VLC light pulse to upload a second uploaded symbol.
Loopback satellite transponder pre-distorter
A high throughput satellite communication system and method of satellite communication that provide loopback capability and increased throughput is disclosed. The satellite communication system and method of satellite communication utilize pre-distortion based on remotely estimated characteristics of a satellite transponder's power amplifier (PA). The pre-distortion is applied to the hub modulator's constellation.
Method for coding-based, delay-efficient data transmission
A method, apparatus and computer program product for -based, delay-efficient data transmission for broadcasting a single file is presented. A file (f) comprised of K packets to be broadcast to a plurality of receivers is determined. A plurality of packets (Pk) of the file are selected for transmission during a timeslot (t). Next, a linear combination of the selected packets (P[t]) are produced, the linear combination of packets are selected at random within the file. The linear combination of selected packets is then transmitted to a plurality of receivers over unreliable channels.
Distributed antenna system and methods for use therewith
Aspects of the subject disclosure may include, for example, a method, includes coordinating relay transmission of a modulated signal via relay links of a distributed antenna system to reduce an accumulated forwarding delay in forwarding the modulated signal through the relay links. One of the relay links of the distributed antenna system reconverts the spectral segment of the modulated signal for transmission to a communication device to which the modulated signal is directed.
Method and device for reporting channel state information in wireless communication system
A method and device for reporting channel state information in a wireless communication system is disclosed. The method for reporting channel state information (CSI) by means of a terminal in a wireless communication system according to an embodiment of the present invention includes: measuring a first reference signal transmitted from a first subset of antenna ports from among a plurality of antenna ports in a base station; measuring a second reference signal transmitted from a second subset of antenna ports from among the plurality of antenna ports; and reporting the CSI to the base station based on at least one of the measurement of the first reference signal and the measurement of the second reference signal, wherein at least one of the plurality of antenna ports is included in both the first subset and the second subset.
Beamforming using base and differential codebooks
Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.
Beamform training and operation for multiple single-input single-output links
Methods and apparatus to operating multiple single-input single-output beamform links. An example method includes determining strengths of a first wireless link between a first transmission sector and a first receiver sector and a second wireless link between a second transmission sector and a second receiver sector, determining whether the first and second wireless links is busy or idle, selecting an idle wireless link of the plurality of wireless links based on the strengths of the first and second wireless links that are idle, and establishing a transmission connection with the selected idle wireless link.
Wireless transmission precoding
Embodiments of the present disclosure describe systems and methods for precoding wireless transmissions. Various embodiments may precode rank-one or rank-two wireless transmissions onto four antennas. Various embodiments may precode wireless transmissions using a precoding matrix selected from a group of matrices, wherein different groups of matrices differ in total angular region, number of beams, or angular distance between beams. Other embodiments may be described and/or claimed.
Method and device for performing NIB comp transmission in wireless communication system
The present invention relates to a wireless communication system, and more particularly, to a method and device for performing or supporting NIB coordinated multi-point (CoMP) transmission in a wireless communication system. The method and device for performing NIB CoMP transmission in the wireless communication system according to an embodiment of the present invention include: receiving signaling comprising at least one CoMP hypothesis set and at least one benefit metric from a first network node, at a second network node; and performing CoMP transmission based on the at least one CoMP hypothesis set, at the second network node. The at least one CoMP hypothesis set comprises information on hypothetical operation of CoMP network nodes.
Method and apparatus for inductive coupling signal transmission
Method and Apparatuses for of transmitting data between semiconductor chips are described. An example apparatus includes a first semiconductor chip and a second semiconductor chip. The first semiconductor chip includes first and second inductors. The first semiconductor chip transmits a first combination of a plurality of data bits in logical value by flowing a first current through the first inductor and by flowing substantially no current through the second inductor. The second semiconductor chip includes third and fourth inductors that correspond respectively to the first and second inductors of the first semiconductor chip. The second semiconductor chip receives the first combination of the plurality of data bits in logical value by detecting an electromotive force at the third inductor responsive to the first current and by detecting substantially no electromotive force at the fourth inductor responsive to no current.
Power reception device, power transmission device, and wireless power transmission system
According to one embodiment, a power reception device includes: a power receiver that wirelessly receives power from a power transmission device; a power storage that stores the power received by the power receiver; and a signal transmitter configured to transmit a detection signal, the signal transmitter being independent of a power system operating with power fed from the power storage.
A communications node operable to communicate with another communications node over a communications channel having a plurality of frequency resources, the communications node includes data defining a division of the communications channel into a plurality of contiguous sub-bands each having N frequency resources, wherein each frequency resource in a sub-band has a corresponding frequency resource in each of the other sub-bands, data defining an initial allocation of the frequency resources, a resource determination module operable to apply a frequency shift to the initially allocated frequency resources in accordance with a frequency hopping sequence to determine frequency resources to use for communicating information with the other communications node, wherein the frequency shift applied moves the initially allocated frequency resources to corresponding frequency resources in another sub-band, a transceiver for communicating information with the other communications node using the determined frequency resource.
Spreading signal generating method, generating device, receiving method and receiving device
The application relates to a spreading signal generating method, generating device, receiving method and receiving device. The spreading signal generating method comprises: generating a first spreading signal component and a second spreading signal component, wherein the first spreading signal component and the second spreading signal component each comprise a spreading code and a binary subcarrier, the spreading code of the first spreading signal component is the same as the spreading code of the second spreading signal component, the binary subcarrier of the first spreading signal component is different from the binary subcarrier of the second spreading signal component; and modulating the first spreading signal component and the second spreading signal component with radio frequency (RF) carriers so as to generate the spreading signal, where a phase of RF carrier for modulating the first spreading signal component is different from a phase of RF carrier for modulating the second spreading signal component.
System and method for passive intermodulation identification using cyclostationary signals
The present disclosure describes systems and methods for determining intermodulation distortion in a system such as, but not limited to, a communication system. In an embodiment, intermodulation distortion is determined by injecting a signal into a frequency band which interacts with a second signal, searching a second frequency band for a product signal formed from the first and second signals, applying a cyclostationarity detection technique to the product signal and identifying the product signal as an intermodulation distortion signal.
SIM card connectorfor preventing SIM card burnout by detecting insertion and removal of the SIM card
A SIM card connector includes a base, signal spring, a detection apparatus, and a controller. The detection apparatus is configured to cooperate with one side of a SIM card, and includes a fixed contact and a detection spring, where an action of the SIM card can be detected by separation or union between the fixed contact and the detection spring. The controller can disconnect a power supply of the signal spring before the SIM card is separated from the signal spring, and can switch on the power supply of the signal spring after the SIM card presses against the signal spring, which effectively prevents the SIM card from being burned out by a momentary electric arc generated between the SIM card and the signal spring when the SIM card is being inserted or removed.
Blocker detection based automatic gain control
Modular gain control based on blocker signal detection is disclosed herein. In a multi-stage gain control scheme for a receiver, the input stage gain or the pre-mixing stage gain can be controlled for effective blocker rejection based on detecting a blocker signal at a mixer, and the output stage gain or the post-mixing stage gain can be controlled to restore and maintain an appropriate output level after pre-mixing gain reduction performed for blocker rejection. Accordingly, the RF communication systems herein can include multiple loops for providing AGC. In particular, an RF communication system can include a main loop and a blocker loop used to override the main loop when the blocker signal is detected. In certain configurations, the blocker loop reduces the gain of an RF VGA, while the main loop will increase the gain of an IF VGA to restore the output power.
Extended error correction coding data storage
A memory management system and a method of managing a memory device are described. The system includes a memory device with a memory array to store data and associated error correction coding (ECC) bits and an extended correction table. The extended correction table stores error information additional to the ECC bits for one or more of the data in the memory array. The system also includes a controller to control the memory device to write and read the data.
Wall encoding and decoding
The encoding of an input string of binary characters includes: a register storing a cellular data structure definition including a starting empty cell; a register storing a group cell structure definition for a valid brick formation; a brick validation engine testing data structure at a current cell beginning with the starting empty cell for an invalid brick formation; a character reading/writing engine writing, if the empty cell is not invalid, a binary character from the input string to the empty cell and writing, if the empty cell is invalid, a dummy value to the empty cell; a loop facilitator looping back through the testing and writing steps with a next data character and a next empty cell until there are no more data characters; and a serialization de-serialization engine methodically serializing the data structure into a one dimensional binary string of characters representing an encoded string of alphanumeric characters.
Buffer, and digital to analog converter in combination with a buffer
A buffer is provided where a part of the buffer is implemented in switched capacitor or other analog discrete time processing circuitry and a dynamic response characteristic, such as an effective gain or charge transfer coefficient between the input stage and an output stage is digitally controllable. This means that the buffer can be driven as if it was a system controlled by, for example a three (3) term controller, giving rise to greater, digital flexibility in tailoring the buffer's transient response.
Device for digitizing an analogue signal
A device for digitizing an analog signal, wherein a distortion signal outlet of a distortion signal generator is only coupled to an analog digital converter by passive components.
Computing apparatus and computing method
According to an embodiment, a computing apparatus includes spin torque oscillators, an interaction unit, a variable direct-current supply device, and a measuring unit. The interaction unit controls an interaction between the spin torque oscillators. The variable direct-current supply device supplies a current to induce oscillations of the spin torque oscillators. The measuring unit measures AC signals obtained from the spin torque oscillators.
Referenceless clock and data recovery circuits
Referenceless clock and data recovery circuits are described that operate to align the clock/data strobe with each data eye to achieve a low bit error rate. The appropriate frequency and phase to be used is determined by an edge counter based frequency error detector and a phase error detector.
Routing and programming for resistive switch arrays
Various structures and methods are disclosed related to routing and programming circuitry on integrated circuits (“IC”) that have arrays of programmable resistive switches. In some embodiments, routing structures utilize densely populated resistive switch arrays to provide for efficient selection circuits that route into and out of logic regions. In other embodiments, programming circuitry is provided to help maintain relatively consistent programming current throughout an array of resistive switches to be programmed. In other embodiments, methods are provided for programming resistive switches without violating given power constraints. These and other embodiments are described further herein.
Interdigitated capacitive proximity sensor with varied space electrode structure
Embodiments related to a capacitive proximity sensor with a variable spacing electrode structure, which is suited to a non-destructive testing operation, such as the detection of dielectric properties of the polymer materials with a thickness decreases gradually structure. The designed sensor includes a driving electrode, a sensing electrode, a substrate, a guarding electrode and a lead connector. The driving and sensing electrodes include several interdigitated fingers, which are arranged alternately in sequence, based on the characteristic of the thickness decreases gradually structure of the MUT, the width of the electrodes and spacing between two adjacent electrodes in each unit are optimized individually. Namely, under the condition of ensuring penetration depth, the electrode width is made as large as possible to achieve maximum signal strength and detection sensitivity. Compared with the traditional ES-IDE structure capacitive proximity sensor, the newly designed VS-IDE capacitive sensor increases the effective electrode area, which increases the signal strength and measurement sensitivity directly. Besides, the electric field lines of the designed sensor are confined within the thickness gradually changed materials under test mostly as expected simultaneously.
Circuit arrangement for controlling power transistors of a power converter
A circuit arrangement for controlling power transistors of a power converter includes a logic circuit configured to generate a pulse-width modulation (PWM) signal and a clock generator configured to generate a clock signal. A first and a second isolator are configured to galvanically isolate transmission of the PWM signal and the clock signal into a high-voltage portion of the power converter so as to produce a galvanically isolated PWM signal and a galvanically isolated clock signal. The first isolator for the PWM signal is configured transmit both DC voltage signals and AC voltage signals. A correction circuit is configured to correct jitter of the galvanically isolated PWM signal based on the galvanically isolated clock signal. The second isolator for the clock signal exhibits a jitter lower than that of the first isolator by a factor of at least two.
Systems, methods, and devices for bipolar high voltage direct current electrical power distribution
Systems, methods and devices for aircraft power distribution include a bipolar high voltage direct current source component; an electrical loading component capable of drawing electrical power from the bipolar high voltage direct current source component; a set of switching components configured to selectively couple power from the bipolar high voltage DC source component to the electrical loading; and a transient suppression component. The transient suppression component is configured to limit current flowing through the first or the second subset of the set of switching components when the first and the second subsets are not in the same state.
Nonlinear transmission line high voltage pulse sharpening
Some embodiments include a high voltage nonlinear transmission line that includes a high voltage input configured to receive electrical pulses having a first peak voltage that is greater than 5 kV having a first rise time; a plurality of circuit elements electrically coupled with ground, each of the plurality of circuit elements includes a resistor and a nonlinear semiconductor junction capacitance device; a plurality of inductors, at least one of the plurality of inductors is electrically coupled between two circuit elements of the plurality of circuit elements; and a high voltage output providing a second peak voltage with a second rise time that is faster than the first rise time.
Receiver, communication device, and communication method
To provide a receiver, a communication device, and a communication method capable of restoring a signal transmitted via a non-contact transmission channel with high accuracy. A communication device has a transmission circuit that converts an input signal into a pulse, a non-contact transmission channel that has a primary side coil and a secondary side coil and transmits the pulse from the transmission circuit in a non-contact manner, a restoration circuit that restores the input signal on the basis of a reception signal corresponding to the pulse transmitted via the non-contact transmission channel, an initialization unit that initializes an output of the non-contact transmission channel, and an initialization control unit that outputs a control signal of controlling the initialization unit on the basis of the reception signal corresponding to the pulse received via the non-contact transmission channel.
Low temperature coefficient clock signal generator
A relaxation oscillator for generating a low temperature coefficient (LTC) clock signal includes a reference voltage generator and an oscillator. The reference voltage generator generates an LTC current and a bandgap reference voltage. The reference voltage generator includes positive temperature coefficient (PTC) resistors to compensate for the effects of temperature variations. The oscillator receives the LTC current and the bandgap reference voltage, and generates a clock signal. In another embodiment, the reference voltage generator generates a charge current that varies with temperature. The oscillator receives the charge current and generates first and second output signals. Set and reset comparators include PTC resistors that determine the gains of the set and reset comparators. The PTC resistors compensate for variation in the first and second output signals due to the temperature variations by varying the gains of the set and reset comparators.
To provide an inexpensive semiconductor device capable of suppressing the influence by crosstalk. A semiconductor device includes a signal wiring disposed in an organic interposer, an output circuit which is coupled to a first end of the signal wiring and which sets an impedance so as to generate a reflected wave antiphase to a waveform transmitted to the first end and periodically outputs data, and an input circuit which is coupled to a second end of the signal wiring and sets an impedance so as to generate a reflected wave of the same phase as a waveform transmitted to the second end. An average delay of the signal wiring is set to be 1/integer of 2 or more relative to a half of a cycle of the data. A difference between the maximum and minimum values of a delay of a signal at each of other signal wirings disposed in the organic interposer is set to be not greater than the average delay.
Quartz crystal blank and quartz crystal resonator unit
A rectangular quartz crystal blank having long sides substantially parallel to a Z′ axis of the quartz crystal blank, and short sides substantially parallel to an X axis of the quartz crystal blank. The quartz crystal blank includes a first center region, a second region and a third region that are adjacent to the first region along a long-side direction, and a fourth region and a fifth region that are adjacent to the first region along a short-side direction. A thickness of the second region and a thickness of the third region are smaller than the thickness of the first region, and/or a thickness of the fourth region and a thickness of the fifth region are smaller than the thickness of the first region, and 16.18≤W/T≤16.97, where W is a length of a short side and T is a thickness.
Filter including non-magnetic frequency selective limiters
A filter can be used in circuit. The filter includes a first stage including a first resonator configured to oscillate at a first fundamental frequency, a second resonator configured to oscillate at a second fundamental frequency, and a first nonlinear coupler for the first resonator and the second resonator. The second fundamental frequency being one half of the first fundamental frequency. The filter also includes a second stage including a third resonator, a fourth resonator, and a second nonlinear coupler for the third resonator and the fourth resonator.
Audio interrupter alertness device for headphones
The audio interrupter device (2) interfaces between any audio source (1) and headphones (3) to alert the user to external environmental sounds that exceed a threshold by temporarily halting audio transmission. The threshold is adjustable either through an automatic adjustment option that bases the threshold on the ambient sound level or through manual sensitivity adjustment. The device includes an audio plug (11) and an audio jack (12) that are connected to analog switches (10) that have the ability to connect and disconnect their corresponding conductors. An audio signal from a microphone (4) is amplified and input to a microcontroller (7), which compares the audio signal sample value to the sound interrupting threshold. If the audio signal sample exceeds the threshold, the analog switches disconnect the corresponding conductors of the audio plug and audio jack. If the audio signal sample is below the threshold, the analog switches connect the corresponding conductors of the audio plug and audio jack and thereby allow the audio signal to be transmitted from the audio source to the headphones.
Method and electronic device for controlling volume
An electronic device is provided. The electronic device may output a sound output event through a speaker at an output volume, generate a predicted input waveform based on the output sound event, compare a level of an input sound received via a microphone with a predicted level of the predicted input waveform, determine when a level of the input sound is lower than a threshold value for a predetermined time, and control the output volume of the sound output event when the level of the input sound is lower than the threshold value for the predetermined time.
Architecture of a wideband distributed amplification device
A distributed amplification device with p inputs, p outputs, p amplification paths comprises a redundant reservoir of n amplifiers including n-p back-up amplifiers, an input redundancy ring and an output redundancy ring formed by rotary switches, the input and output redundancy rings sharing the same technology. The internal amplification pathways associated with the n-p back-up amplifiers frame in an interlaced manner the internal amplification pathways associated with the p nominal amplifiers and the amplification paths of the routing configurations each pass through at least five rotary switches. The input and output redundancy rings are topologically and geometrically configured and the family of the routing configurations is chosen such that the electrical lengths of all the paths of one and the same routing configuration of the family are equal.
Amplifier for modulating the amplitude of an RF signal
An amplifier for modulating the amplitude of an RF signal, the amplifier including: a plurality of amplifier circuits, each circuit being connected to a first power source, each circuit including a charge storage device and an output across which a potential difference supplied by the first power source can be applied; a switching arrangement for switching connections between the first power source, the charge storage device, and the output in each amplifier circuit, wherein each circuit includes a first switched configuration in which the charge storage device is charged by the first power source and a second switched configuration in which the charge storage device, once charged, will apply an additional potential difference across the output. The amplifier is configured to vary the amplitude of the RF signal in proportion to the sum of the potential differences applied across the output in each amplifier circuit.
Switchless line-DI/Mic pre-amplifier input
A switchless pre-amplifier input circuit includes an audio input connector that receives a first audio device operable at a first impedance and a second audio device operable at a second impedance less than the first impedance. A preamplifier circuit outputs a preamplified audio signal in response to amplifying a first audio signal generated by the first audio device or a second audio signal generated by the second audio device. The switchless pre-amplifier input circuit further includes a impedance selector circuit that adjusts an impedance at the output to reach the second impedance in response to connecting the second audio device to the audio input connector and to adjust the impedance at the output to reach the first impedance in response to connecting the first audio device to the audio input.
Systems and methods to control transimpedance amplifier
A system to program parameters of one or more stages of a transimpedance amplifier (TIA) in an optical sub-assembly (e.g. TO-can package) is disclosed. With this invention, users have the option/flexibility to discretely program any of the stages of the TIA after production of the sub-assembly, i.e. they can still change the TIA settings once the TIA has been installed in a system and the system is in use.
Modifiable signal adjustment devices for power amplifiers and corresponding methods and apparatus
An embodiment of an amplifier system includes a modifiable signal adjustment device with an RF signal adjustment circuit coupled between first and second nodes. The RF signal adjustment circuit includes an adjustable phase shifter and an adjustable attenuator coupled in series with each other. The device also includes a memory and a controller circuit. The controller circuit retrieves a phase shift value and an attenuation value from the memory. The controller circuit then controls the adjustable phase shifter to apply a phase shift corresponding to the phase shift value to an input RF signal received at the first node, and controls the adjustable attenuator to apply an attenuation corresponding to the attenuation value to the input RF signal. Applying the phase shift and the attenuation results in an output RF signal at the second node.
Universal RF amplifier controller
Various methods and circuital arrangements for controlling an RF amplifier while reducing size, cost and power consumption are presented. Included is an amplifier controller unit that provides different current amplification stages that can be used for calibrating an output power of the RF amplifier based on a reference current. Order of the current amplification stages starting from the reference current allow reduction in size, cost and power consumption.
Solar cell module and roof structure
An object is to provide a technique capable of making the appearance of the entire roof on which a solar cell module is laid more beautiful.In a solar cell module that includes a front side transparent plate, a rear face sealing plate made of glass, and a solar cell sealed between the front side transparent plate and the rear face sealing plate, the area of the rear face sealing plate is made larger than the light receiving area of the solar cell and the area of the front side transparent plate. That is, the glass plate that seals the rear side of the solar cell expands to the outer side with respect to the front side transparent plate located on the front face of the solar cell module. A surplus region in which neither the solar cell nor the front side transparent plate is present is formed on the front side of the rear face sealing plate.
Plunger and puck mounting system for photovoltaic panels
A photovoltaic (PV) mounting hardware support system having a base portion. A foot has an elongated body adapted to connect to at least one PV module frame mounting component. A latch is located between the foot and the base portion and comprising first and second flexible flanges adapted to extend into fixed connection with the top portion of base portion. A plunger having first and second extensions, the plunger is located between the latch and the base portion and moveable from a first position to a second position. In the first position of the plunger, the first and second flexible flanges of the latch are not in fixed connection with the base portion. In the second position of the plunger, the first and second extensions of the plunger respectively apply forces to the first and second flexible flanges such that the first and second flexible flanges are placed into fixed connection with the base portion.
Software-controlled electronic circuit for switching power to a three-phase motor
The circuit for controlling a rotating three-phase motor of the type having three interconnected motor coils each corresponding to one of three phases employs a plurality of switching circuit components, each connected to the motor to supply current to one of the coils. A signal generator circuit produces in synchronism with the rotation of the motor a variable duty cycle pulse-width modulated signal for each of the switching circuit components. A logic gating circuit is coupled to the signal generator circuit and to the switching components. The logic gating circuit is operative to cause the switching circuit components to selectively place pairs of motor coils in current conducting states such that when the variable duty cycle pulse-width modulated signals are each concurrently in the same logical on-off state, the logic gating circuit supplies a logical off state to each of the switching circuit components.
Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor
A motor incorporating a power converter including a printed board on which a semiconductor module (an inverter IC), which converts a voltage of an external power supply into a high-frequency voltage and supplies the high-frequency voltage to a stator, is mounted, wherein a high-voltage circuit ground, which is a power ground of a high-voltage main circuit system of the inverter IC, and a low-voltage circuit ground, which is a ground of a control circuit system, which is a low-voltage circuit, of the semiconductor module, are provided on the board, and the high-voltage circuit ground and the low-voltage circuit ground are connected at one point via a resistor.
Exciter drive circuit including configurable flyback unit with fast energy field collapse
A power system includes an integrated drive generator (IDG) including an exciter field winding. A generator control unit (GCU) includes exciter drive circuit configured to electrically energize the exciter field winding, and a main stator configured to output voltage to at least one electrical load. The exciter drive circuit includes a dynamic flyback unit configured to selectively operate the exciter drive circuit between a first mode and a second mode different from the first mode based on a change in the at least one electrical load.
Wind turbine generator system and method for operating a wind turbine generator system
The present invention concerns a method of controlling a wind power installation connected to an electric network having a generator with an aerodynamic rotor with an adjustable rotary speed, in which the wind power installation can be operated at an operating point which is optimum in relation to prevailing wind conditions at an optimum rotary speed, wherein the wind power installation is operated for a transitional period of time or lastingly at a non-optimum operating point at a non-optimum rotary speed and the non-optimum rotary speed is higher than the optimum rotary speed.
Braking apparatus having function of detecting brake actuation and release faults
A braking apparatus according to one embodiment of the present invention is a braking apparatus for use in an electrical motor, and comprises a braking unit which locks the electrical motor in position, a voltage detection unit which detects a voltage applied to the braking unit, and an observing unit which recognizes a voltage variation pattern and, based on the voltage variation pattern, observes the released and actuated states of the braking unit.
Interacting complex electric fields and static electric fields to effect motion
Systems and methods of interacting complex electric fields and static electric fields to effect motion are disclosed. An example method includes producing an action force having a reaction force perpendicular to the action force by interacting a relative velocity electric field based on charge of a moving first charged object and a static charge on a second charged object in a different inertial frame of reference. Another example method includes producing an action force having a reaction force perpendicular to the action force by interacting an acceleration generated electric field based on acceleration of a first charged object and a static charge on a second charged object in a different inertial frame of reference. Another example method includes producing an action force having a reaction force perpendicular to the action force by interacting a scalar electric potential and static electric field.
Vibration power generation device
A vibration power generation device including a multiple-degree-of-freedom vibration system comprising a first vibration system and a second vibration system, wherein a natural frequency of the first vibration system is different from a natural frequency of the second vibration system. A first mass member of the first vibration system has a hollow structure including a housing space inside, where the second vibration system is housed. A power generating element is mounted on a plate spring of the second vibration system. A support part projects within the housing space, and one end side of the plate spring is attached to the support part and supported within the housing space at a position inward from a peripheral wall of the first mass member. A second mass member of the second vibration system is attached to another end side of the plate spring.
Voltage source converter
In the field of high voltage direct current power transmission networks, a voltage source converter comprises first and second DC terminals for connection to a DC electrical network, and a plurality of single-phase limbs. Each single-phase limb includes a phase element, and each phase element includes at least one switching element configured to interconnect a DC voltage and an AC voltage. An AC side of each phase element is connectable to a respective phase of a multi-phase AC electrical network, and each single-phase limb is connected between the first and second DC terminals. The voltage source converter further comprises a controller configured to determine independently of one another an amount of active power (Pref) that the voltage source converter should exchange with the AC electrical network and an amount of reactive power (Qref) that the voltage source converter should exchange with the AC electrical network.
Rotating electric machine system
A rotating electric machine system includes a rotating electric machine and an electric power conversion circuit. The rotating electric machine includes N coils connected with each other to define a neutral point therebetween. The electric power conversion circuit includes N high-side switches, N low-side switches, a selector switch, a full-wave driver, a half-wave driver and a drive controller. The full-wave driver performs a full-wave drive process with high potential-side terminals of the low-side switches respectively connected with low potential-side terminals of the high-side switches by the selector switch. The half-wave driver performs a half-wave drive process with the high potential-side terminals of the low-side switches connected with the neutral point by the selector switch. The drive controller controls both the full-wave driver and the half-wave driver to selectively cause either the full-wave driver to perform the full-wave drive process or the half-wave driver to perform the half-wave drive process.
Electric power conversion circuit including switches and reactors, and electric power conversion device including electric power conversion circuit and control circuit
An electric power conversion circuit includes: a first leg including first and third switches; a second leg including second and fourth switches; a third leg including fifth and seventh switches; a fourth leg including sixth and eighth switches; a first reactor connected between a first node, in which the first and second legs are connected to each other, and a fifth node, in which the third and fourth legs are connected to each other; a second reactor connected between a second node to which the first and second legs are connected and a sixth node to which the third and fourth legs are connected; a first port terminal connected to the first node; a second port terminal connected to the sixth node; a third port terminal connected to a midpoint of each of the first and third legs; and a fourth port terminal connected to a midpoint of each of the second and fourth legs.
Power semiconductor module and electric power conversion device
An object of the present invention is to achieve both low height and miniaturization of a double side cooling type electric power conversion device. A power semiconductor module according to the present invention includes: a circuit body including a power semiconductor device and a terminal; and a case forming an accommodation space for accommodating the circuit body, wherein the case includes: a first heat radiation portion and a second heat radiation portion disposed to face each other sandwiching the accommodation space; a first opening that is disposed at a side portion to the first heat radiation portion and through which the terminal passes; a sealing surface formed to surround the first opening; and a reference surface disposed at a side portion to the second heat radiation portion, and the reference surface is formed on a surface opposite to a surface on which the sealing surface of the case is disposed such that, when projection is performed from a vertical direction of the reference surface, a projection of the reference surface and a projection of the sealing surface overlap each other.
Wind power converter device and converter device
A wind power converter device is provided. The wind power converter device includes grid side converters, generator side converters and a DC bus module. Each of the grid side converters includes grid side outputs electrically coupled to a grid and a first and a second DC inputs. Each two of the neighboring grid side converters are connected in series at the second and the first DC inputs. Each of the generator side converters includes generator side inputs electrically coupled to a generator device and a first and a second DC outputs. Each two of the neighboring generator side converters are coupled in series at the second and the first DC outputs. The DC bus module is electrically coupled between the grid side converters and the generator side converters.
Self-oscillating resonant power converter
Resonant power converters and inverters include a self-oscillating feedback loop coupled from a switch output to a control input of a switching network comprising one or more semiconductor switches. The self-oscillating feedback loop sets a switching frequency of the power converter and comprises a first intrinsic switch capacitance coupled between a switch output and a control input of the switching network and a first inductor. The first inductor is coupled in-between a first bias voltage source and the control input of the switching network and has a substantially fixed inductance. The first bias voltage source is configured to generate an adjustable bias voltage applied to the first inductor. The output voltage of the power converter is controlled in a flexible and rapid manner by controlling the adjustable bias voltage.
Power conversion device for performing power conversion between DC and DC by controlling switching of a semiconductor switching element
A power conversion device includes switching elements, a reactor, and capacitors in each of which plural capacitor elements are connected in parallel to each other. Then, a carrier frequency used for controlling switching of the switching elements is set so that it is less than series resonance frequencies of all of the capacitor elements in the capacitors, and integer multiples of that frequency are each not equal to a parallel resonance frequency.
Motor bi-directional DC/DC converter and control method thereof
The present invention provides a bi-directional DC/DC converter and a control method thereof. The bi-directional DC/DC converter comprises a push-pull circuit, a chargeable and dischargeable device, a transformer, a half bridge circuit, a rectifying and filtering circuit and a first switch. The primary side of the transformer is connected to an output of the push-pull circuit. The output of the rectifying and filtering circuit is connected across a bridge arm of the half bridge circuit. The first switch is configured to connect the secondary side of the transformer to an input of the rectifying and filtering circuit, or to connect a part of windings of the secondary side of the transformer to an output of the half bridge circuit while disconnecting the part of windings of the secondary side of the transformer from two terminals of the input of the rectifying and filtering circuit. The bi-directional DC/DC converter of the present invention has fewer components and is low in cost.
Converter with pulse width modulation and pulse frequency modulation operating modes
In accordance with an embodiment, a DC-DC converter is provided comprising a single regulation loop that drives a control circuit, wherein the control circuit selects between operation in a pulse width modulation operating mode and a pulse frequency modulation operating mode, the single regulation loop including a compensation loop, and wherein biasing of the compensation loop is maintained in response to selecting between the pulse width modulation and the pulse frequency modulation operating modes.
Power supply with digitally variable slope compensation circuit
A power supply with digitally compensated circuit having a plurality of integrated circuits. The plurality of integrated circuits has a digitally variable slope controller to adjust charge time of an inductor and voltage distortion and an adjustable voltage generator, which generates a modified voltage set point. The digitally compensated circuit has a comparator, which compares the modified voltage set point to a first feedback and turns off a comparator output signal when first feedback approaches or exceeds the modified voltage set point. An adjustable pulse width modulator generator produces an output voltage. A current monitor receives output voltage and provides a second feedback, which is transferred to the plurality of integrated circuits. An inductor receives output voltage and generates variable output power for a load, utilizing the digitally variable slope controller to reduce oscillation, system disturbances, and subharmonic oscillations over a dynamic voltage input range.
Switched mode power supply having a staircase current limit
Disclosed is switching power supply that includes a pulse frequency modulation (PFM) mode of operation current feedback control. A reference current source is configured to output a reference current at one of several selectable levels. The level of the reference current may vary during operation of the current feedback control loop.
Charge pump stability control
An apparatus for power conversion includes a switching network that controls interconnections between pump capacitors in a capacitor network that has a terminal coupled to a current source, and a charge-management subsystem. In operation, the switching network causes the capacitor network to execute charge-pump operating cycles during each of which the capacitor network adopts different configurations in response to different configurations of the switching network. At the start of a first charge-pump operating cycle, each pump capacitor assumes a corresponding initial state. The charge-management subsystem restores each pump capacitor to the initial state by the start of a second charge-pump operating cycle that follows the first charge-pump operating cycle.
Interleaved power supplies and corresponding control methods
According to some aspects of the present disclosure, example interleaved power supplies and corresponding control methods are disclosed. Example interleaved power supplies include an input terminal, an output terminal, and a first phase circuit coupled between the input terminal and the output terminal. The first phase circuit includes a first inductor and a first switch. The power supply also includes a second phase circuit coupled between the input terminal and the output terminal. The second phase circuit includes a second inductor and a second switch. The power supply further includes at least one current sensor, and a controller operable to control the first phase circuit and the second phase circuit in an interleaved mode when the sensed output current is below a current threshold and to control the first phase circuit and the second phase circuit in an in-phase mode when the output current is above the current threshold.
Switching controller circuit
A switching controller circuit for a power converter includes analog and digital control circuits, a clock enable circuit, and a digital pulse width modulation (PWM) circuit. When the power converter is in a standby mode, the switching controller circuit operates in an analog control mode by activating the analog control circuit. When the power converter is not in standby mode, the switching controller circuit activates the digital control circuit and operates in a digital control mode. The switching controller circuit uses inexpensive electronic components and consumes less power in the analog control mode, thereby reducing standby mode power consumption.
Power semiconductor element driving circuit
A power semiconductor device driving circuit has a capacitor whose one end is connected with a first or a second main electrode of a power semiconductor device, a first switch for charging the capacitor and a control electrode of the power semiconductor device with electric charges, and a second switch for discharging electric charges; in the case where when the first switch turns on, the control electrode and the capacitor are charged with electric charges through different resistors, electric charges are discharged from the control electrode and the capacitor through one and the same resistor when the second switch turns on; in the case where when the first switch turns on, the control electrode and the capacitor are charged with electric charges through one and the same resistor, electric charges are discharged from the control electrode and the capacitor through different resistors when the second switch turns on.
Bistable electromagnetic actuator and surgical instrument
A bistable electromagnetic actuator including: a tube; a stator arranged outside of the tube; and a rotor mounted in the tube so as to be displaceable along the longitudinal axis, the rotor at least partially comprises one or more of a paramagnetic and a ferromagnetic material and can be reversibly displaced between a first position and a second position by applying an electromagnetic field; wherein the stator comprises two ring permanent magnets, a coil for producing the electromagnetic field, and a back-iron element having two stator pole shoes; and the two ring permanent magnets comprise hard magnetic particles that are embedded in a plastic matrix.
Hollow brushless motor structure
A hollow brushless motor is provided. The hollow brushless motor includes a hollow shape rotor to be rotatable about a rotation axis, a hollow shape stator spaced apart from the rotor by a distance in a direction of the rotation axis and arranged to face the rotor, and a first support to maintain a gap between the rotor and the stator, and arranged between the rotor and the stator to support the rotor and the stator such that the rotor rotates with respect to the stator.
Cage rotor of an asynchronous machine
A cage rotor of a rotary asynchronous machine includes an axially laminated core having substantially axially extending grooves, at least one electrical conductor disposed in the grooves and composed of at least of two partial conductors constructed from materials having different electrical conductivities and different mechanical strengths, wherein the partial conductor made of the higher-strength material is disposed radially farther outwardly at least in sections of the groove, as viewed along the axial extent of the respective, and a short-circuit ring arranged on a respective end face side of the laminated core and electrically-conductively interconnecting the electrical conductors that are disposed in the respective grooves and protrude axially from the laminated core.
Shrink-fitting method for laminated rotor
A shrink-fitting method for a laminated rotor includes: disposing, coaxially with a laminated rotor core, an annular ring having a through-hole, at an axial end of the laminated rotor core including laminated annular steel sheets and having a through-hole extending in its axial direction; and inserting a rotor shaft into the through-holes of the ring and the laminated rotor core after heating them. A ring attachment jig having a circular internal space, where the ring is disposed, has projections projecting from an axial end surface thereof in the axial direction and arranged along a circumferential direction of the circular internal space. The center of the ring is aligned with the center of the laminated rotor core, by fitting the projections in attachment holes axially extending in the laminated rotor core, and fitting the ring to an inner peripheral surface of the ring attachment jig, which defines the circular internal space.
Motor or generator apparatus with ionisable fluid-filled gap
Apparatus (10) for use as a motor or generator, comprising: a first part (20) defining a first region (22); a second part (40) moveable relative to the first part (20) and spaced therefrom to form a fluid-filled gap (50), the second part (40) defining a second region (42) separated from the first region (22) by the fluid-filled gap (50) and configured to be electrically connected to the first region (22) during at least one mode of operation; wherein the apparatus (10) is configured to form an electrically conductive path between the first and second regions (22, 42) by generating a region of electrically conductive fluid in the fluid-filled gap (50) between the first and second regions (22, 42).
Method of connecting and disconnecting power to loads and a switching apparatus employing same
A motor control center having one or more control modules is disclosed. Each control module has a cabinet for enclosing therein a first contact set and a second contact set forming rotatable electricity conducting switches or contacts from the bus bars of the motor control center to a circuit breaker in the control module. An operation handle, extending from the cabinet, is used to operate the control module between different states. The operation handle is coupled to an operating mechanism in the cabinet. The operation handle sequentially operates the first contact set to couple to the bus and power a test circuit, the second contact set to couple the first contact set to the circuit breaker, and lastly to switch on the circuit breaker.
A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis ma lateral direction by rotation transmission from the rotation, shaft, and the crank, mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
Rotor including balancer weight and motor
A rotor capable of fixing a balancer weight by an easier method. The rotor includes a shaft; a core having a core hole penetrating the core in an axial direction; a rod configured to be inserted into the core hole so as to protrude from one end surface of the core in the axial direction to the one side in the axial direction; a balancer weight having a weight hole and placed on the end surface with the rod inserted into the weight hole; and a fixing member having a fixing hole and coming into contact with the balancer weight from the one side in the axial direction with the rod inserted into the fixing hole to fix the balancer weight by sandwiching the balancer weight with the end surface.
Stator for rotary electric machine
A stator includes a stator core, a stator attachment and a plurality of segment coils. The stator core has a yoke portion, stator teeth and stator slots. The stator attachment is placed on an axial end surface of the stator core. The stator attachment includes attachment teeth, attachment slots and varnish guide faces. Each of the attachment slots communicates with an axial open end of each of the stator slots. The varnish guide faces approach an axially central side toward an attachment slot side in the radial direction. The segment coils are fixed to the stator core with varnish. Each segment coils includes plurality of conductor segments. The conductor segment is bent by making contact with the attachment teeth.
Permanent magnet rotor having a combined laminated stack and method of assembly
A rotor for an electromagnetic apparatus including: ferromagnetic laminates stacked along a longitudinal axis of the rotor; non-magnetic laminates stacked along the longitudinal axis, wherein the non-magnetic laminates are between the ferromagnetic annular laminates; cavities in the rotor formed by aligned slots in the ferromagnetic and non-magnetic laminates, wherein the cavities are parallel to the axis of the rotor, and a permanent magnet(s) in each of the aligned cavities. The laminates may each be an annular disc or may be segments arranged in an annular array around a shaft of the rotor.
Hand tool case holding device
A hand tool case holding device including a holding device housing, a case accommodating area, and a charging coil, which is provided for the purpose of transferring energy into a hand tool case situated in the case accommodating area. It is provided that the hand tool case holding device includes a holding device, which is provided for the purpose of detachably fixing at least the holding device housing independently of the hand tool case.
Foreign object detection in wireless energy transfer systems
A wireless energy transfer system includes a foreign object debris detection system. The system includes at least one wireless energy transfer source configured to generate an oscillating magnetic field. The foreign object debris may be detected by at least one field gradiometer positioned in the oscillating magnetic field. The voltage of the at least one field gradiometer may be measured using readout circuitry and a feedback loop based on the readings from the gradiometers may be used to control the parameters of the wireless energy source.
Wireless power transfer device, control method for wireless power transfer device and program
A wireless power transfer device includes a wireless power transfer unit that wirelessly transfers power to a plurality of other devices and a notification unit that provides notification that wireless power transfer to a third wireless power transfer device different from a second wireless power transfer device is not available or provides notification that the wireless power transfer to the third wireless power transfer device is available in the case where wireless power transfer to the second wireless power transfer device is performed.
Electronic unit and feed system
An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.
Wireless power transfer system and wireless power transfer method
A wireless power transfer system including a plurality of power supply coils, and wirelessly performing power transfer from the power supply coils to a power receiver, includes an entire controller. The entire controller is configured to control the power transfer performed by wirelessly transmitting and receiving powers of the power supply coils and the power receiver, in accordance with confirming power transfer ranges of the plurality of power supply coils.
Resonance-type contactless power supply and power receiver
The present disclosure relates to a resonance-type contactless power supply and a power receiver. A high-frequency power supply provides a high-frequency AC current with a predetermined frequency. A transmitter-side resonant circuit includes a transmitting coil for receiving the high-frequency AC current from the high-frequency power supply. A receiver-side resonant circuit includes a receiving coil which is separated from but coupled to the transmitting coil in contactless manner. The receiver-side resonant circuit receives electric energy from the transmitting coil. A receiver-side parallel capacitor is connected in parallel at an output terminal of the receiver-side resonant circuit. The receiver-side parallel capacitor has a capacitance value which is in inversely proportional to the product of a square of an angular frequency of the predetermined frequency and a predetermined mutual inductance. The predetermined mutual inductance is determined in a case that the transmitting coil and the receiving coil are coupled to each other in a predetermined coupling coefficient. The resonance-type contactless power supply provides a stable output voltage when operating in the predetermined frequency.
Lighting system including a power backup device
A system is disclosed including, a light source; a converter configured to convert AC voltage to DC operating voltage; a power backup device coupled to the converter; a current source coupled to the power backup device, the current source being powered by the converter, the current source being configured to receive the DC operating voltage generated by the converter through the power backup device, and the current source being configured to output a pulse-width modulated (PWM) signal to the light source based on the DC operating voltage; and a switching device coupled to the power backup device in parallel with the current source, the switching device being configured to couple the light source to the power backup device when the current source is disabled as a result of a supply of AC voltage to the converter being interrupted.
Solar battery controller
A solar battery controller is provided which includes a solar battery module that is mounted on a moving object, a control unit that calculates a maximum power point of the solar battery module, and a speed detecting unit that detects a speed of the moving object. The control unit controls a maximum power point calculating timing depending on the speed of the moving object.
Integration of wireless charging coil to a chassis
A method is provided for forming a wireless charging electronic device. An embodiment of the method includes integrating a coil and a collector plate to a chassis of the electronic device to wirelessly charge the electronic device.
RFI/EMI shielding enclosure containing wireless charging element for personal electronic devices security
The invention provides an electromagnetically shielded enclosure for personal electronic device security, comprising a lower enclosure having a receiving space for at least one electronic devices disposed on a base portion of the lower enclosure. An upper lid is structurally engaging with the whole lower enclosure to form an electromagnetically shielding structure. A wireless charging element is configured on the lower enclosure for wirelessly charging to provide power to at least one electronic device.
Methods and apparatus for a modular coil holder for an extended wireless charging roadway assembly
A holder configured to hold one or more components of a wireless charging power transfer system is provided. The apparatus comprises a first surface having one or more grooves configured to receive at least a portion of a conductor of a coil that spans the holder and at least one other holder, the coil configured to inductively transfer power via a magnetic field. The apparatus comprises one or more mechanical connectors configured to fasten the holder to the at least one other holder. The apparatus further comprises a plurality of transverse grooves on the first surface that extend in a direction substantially perpendicular to a direction of extension of the one or more grooves, the plurality of transverse grooves configured to guide the conductor of the coil from the holder to the at least one other holder.
Power supply for critical railroad equipment
A power supply system for an electrical equipment comprises a first power supply module for supplying power to the electrical equipment, wherein the first power supply module is connectable to a first electrical network and is adapted for converting a first input current from the first electrical network to an output current suppliable to the electrical equipment; a second power supply module for supplying electrical power to the electrical equipment, wherein the second power supply module is connectable to a second electrical network of different frequency and/or different voltage as the first electrical network and is adapted for converting a second input current from the second electrical network to the output current, when the first power supply module is not able to converting the first input current; and an electrical energy storage for supplying electrical power to the electrical equipment, wherein the electrical energy storage is adapted for providing the output current, when the first and/or second power supply module is not able to convert the first and/or second input current.
Battery control system, battery pack, electronic device
A measurement unit (200) measures voltages and currents of battery cells (100). A battery control unit (400) calculates a present estimation value of a residual capacity of the battery cells (100) by integrating the currents. The voltages of the battery cells (100) are set to a reference voltage value V1 serving as a trigger of a process of correcting the estimation value of the residual capacity and an alarm voltage value Va which is a voltage higher than the reference voltage value. In addition, the battery control unit (400) continues discharge of all the battery cells (100), as it is, when an alarm condition in which a voltage of a minimum capacity cell is equal to or less than the alarm voltage value is not satisfied, and outputs a first signal when the voltage of the minimum capacity cell satisfies the alarm condition.
A method is provided for identifying a battery pack that is operably coupled to a battery charger. The method comprises: measuring voltage at a plurality of designated terminals of a first battery pack while the battery pack is coupled to the battery charger; determining how many of the designated terminals are connected to a reference voltage, such as battery positive; and identifying an attribute of the battery pack based on how many of the designated terminals are connected to the reference voltage.
Redundant server system with an optimized failover arrangement
Methods and platforms may include a common bus, and a set of redundant power supply modules coupled to the common bus. Each power supply module can have a conversion circuit, an AC fault detector coupled to the conversion circuit, and a DC fault detector coupled to the conversion circuit. The platform may also include a system coupled to the common bus.
Modulation and control methods for quasi-Z-source cascade multilevel inverters
The modulation methods for quasi-Z-source cascade multilevel inverters relate to control and signal modulation of quasi-Z-source cascade multilevel inverters, such as those used with photovoltaic power systems. The modulation methods for quasi-Z-source cascade multilevel inverters include a modular multilevel space vector modulation method for a photovoltaic quasi-Z-source cascade multilevel inverter for compensating for unequal voltages of separate photovoltaic modules, a pulse-width-amplitude modulation method for multilevel inverters for use in solar panel arrays attached to a three phase power grid, and a grid-connected control method for quasi-Z-source cascade multilevel inverter-based photovoltaic power generation for extracting maximum power from each Z-source cascade multilevel inverter.
Electric power supply system controller
A controller has a predicting section which computes a predicted electric energy predicted to be supplied from a power distribution grid to the load during an assessment period which is a predetermined period. The controller has a supply electric energy computing section which computes a supply electric power based on the predicted electric energy, the supply electric energy being an electric energy to be supplied to the load from the electric power converter during the assessment period. The controller has a time computing section which computes a discharge time by dividing the supply electric energy by a rated power of the electric power converter. The controller has a control section which controls the electric power converter so that an electric power corresponding to the rated power is supplied to the load only for the discharge time within the assessment period.
Decoupling synchrophasor based control system for multiple distributed energy resources
A method and system to control distributed energy resources in an electric power system includes generation, storage and controllable loads. The system uses time synchronized measurements of voltage phasor and current phasors and their derivative information that may include real and reactive power to regulate and decouple both static and dynamic effects of real and reactive power flow through the local electric power system connected to the area electric power system. The method and system provides precise real and reactive power demand set point pairs; damping of real and reactive power fluctuations in the local electric power system; decoupling between real and reactive power demand response set points by means of a multivariable control system that uses time synchronized measurements of voltage and current phasors and their derivative information.
Multi-power factor controller
A multi-power factor controller including k measuring units, to which k loads and a power supply path are connected, each of the k measuring units being connected with each of the k loads and measuring a power factor calculation parameter of a connected load; n condensers; n contactors, each of the n contactors including k electromagnetic contactors, connected to the k loads and one of the condensers; n relay units, each of the n relay units having k relays, respectively connected to the k electromagnetic contactors, for deciding whether to turn on or off the electromagnetic contactors; and a multi-power factor control unit for controlling a corresponding relay to turn on the electromagnetic contactor to which the first condenser and the target load are connected.
Adaptation of polyphase waveguide probes
Disclosed are various embodiments for transmitting energy conveyed in the form of a guided surface-waveguide mode along a lossy conducting medium such as, e.g., the surface of a terrestrial medium by exciting a polyphase waveguide probe. A probe control system can be used to adjust the polyphase waveguide probe based at least in part upon characteristics of the lossy conducting medium.
Communicating with power switching devices
In one example, a method includes receiving, by a power switching device and via a connector of the power switching device, a signal that causes the power switching device to transition from a first operating mode to a second operating mode in which the power switching device consumes less current than the first operating mode. In this example, the method also includes, responsive to determining, while the power switching device is in the second operating mode, an occurrence of one or more events, outputting, by the power switching device and via the same connector of the power switching device, a signal that indicates the occurrence of the one or more events.
Surge reduction filter
A surge reduction filter (SRF) includes a cartridge having a cartridge housing, a first active connection point for connection to an active line of an AC power supply, and a neutral connection point for connection to a neutral line of the AC power supply. The active and neutral connection points are located to be accessible from outside the cartridge. A first fuse and a first surge protection element are electrically connected in series between the active and neutral connection points. A status circuit is connected to monitor the surge protection element and an indicator is connected to the status circuit to indicate at least a normal status and a fault status of the surge protection element. The status circuit detects a change in voltage at a point between the fuse and the protection element and creates a fault indication if a voltage change is detected due to the fuse operating.
Power supply unit for the provision of at least one switchable power output
The invention relates to a power supply unit for the provision of at least one switchable power output, having at least one power input UIN, at least one voltage measuring device that monitors the voltage at the at least one power input UIN, wherein, if the input voltage falls below a defined threshold Uthres or if the change in the input voltage UIN per unit of time rises above a defined threshold ΔUthres/Δt, the power output/power outputs is/are switched off and the input voltage is then measured at a first timepoint t1, and, after a first predetermined time (td1) (S240), the input voltage U is measured again at a second timepoint t2, and if the input voltage at the second timepoint is greater than the input voltage at the first timepoint, it is assumed that a short circuit is present at at least one power output.
Protection device for electrical network
A device for protecting a medium or high voltage electrical network is provided, including a base part connected to means for measuring values representative of the electrical network and to a trip circuit of the electrical network, an active part that includes means for analogue-digital conversion of the values representative of the electrical network and which is mechanically and electrically connected to the base part in a first position referred to as the normal position, and a removable test part that is mechanically and electrically connected to the active part in a second position referred to as the test position. The test part includes means for mechanically and electrically connecting to the base part such that, in the test position, external terminals of the test part are connected to the trip circuit through the base part.
Electrical connection box and wire harness
An electrical connection box and a wire harness is provided with a casing including: a frame and an upper cover that are assembled to each other and that define a housing space portion; and insertion ports that are formed by opening a boundary edge of the frame or the upper cover to cause a conductive wiring material to be inserted through each of the insertion ports. The frame includes a pair of holding pieces that are provided on both sides of the insertion ports, the pair of holding pieces having flexibility in a clipping direction, and clipping and holding the wiring material. The upper cover includes a supporting projection rib that supports the pair of holding pieces at the side opposite from the wiring material, while the frame and the upper cover are assembled to each other.
Shutter interlock devices, systems, and methods of use thereof
A shutter interlock device for an electrical enclosure includes a shutter link defining a lock slot, an actuating member rotatably coupled to the electrical enclosure, and a sliding link. The sliding link includes a first end coupled to the actuating member, a second end opposite the first end, and a pin coupled to the second end, where a rotation of the actuating member causes the pin to selectively disengage the lock slot.
Power module, power converter and drive arrangement with a power module
A power module for a power converter includes a first busbar with a first surface and a second surface opposite the first surface, a first semiconductor component on the first surface of the first busbar, which semiconductor component has a first surface with a first electrical surface contact connection and is connected, via the first surface contact connection, to the first surface of the first busbar in an electrically conductive and mechanical fashion over an area, and a second semiconductor component on the second surface of the first busbar, which semiconductor component has a first surface with a first electrical surface contact connection and is connected, via the first surface contact connection of the second semiconductor component, to the second surface of the first busbar in an electrically conductive and mechanical fashion over an area.
A spark plug includes an insulator having an axial hole formed in a direction of an axis, a center electrode held in one end side of the axial hole, a metal terminal held in the other end side of the axial hole, an electrical connection part arranged to establish electrical connection between the center electrode and the metal terminal within the axial hole, and a metal shell disposed around an outer circumference of the insulator and having a thread portion formed on at least a part of an outer circumferential surface thereof. The electrical connection part has a resistor, and a conductive seal layer provided between the resistor and the center electrode to seal and fix the insulator and the center electrode together. In a half or more of a region in which the seal layer is provided in the direction of the axis, the spark plug satisfies predetermined conditions.
Integrated semiconductor optical element and manufacturing method for same
The present invention relates to an optical semiconductor integrated element and manufacturing method for same solves difficulty in element manufacture, and reduces optical transmission loss. The present invention is provided with a stripe-shaped waveguide configured from a multilayer structure wherein at least a first conductivity-type lower cladding layer, a waveguide core layer, and an upper cladding layer are layered, and the upper cladding layer is formed using a second conductivity-type upper cladding layer, and an i-type upper cladding layer, which has a bent portion by being shifted in the perpendicular direction with respect to the main extending direction of the waveguide.
Saturable absorbers for Q-switching of middle infrared laser cavities
A Q-switched laser includes a laser cavity including a cavity mirror and an output coupler mirror. The Q-switched laser also includes a doped laser gain material disposed in the laser cavity and a Q-switch including a saturable absorber comprising Fe2+:ZnSe or Fe2+:ZnS.
Alignment system and extreme ultraviolet light generation system
An alignment system for a laser apparatus includes a guide laser device outputting a guide laser beam, an adjusting mechanism adjusting travel directions of the guide laser beam and a laser beam from the laser apparatus, a beam path combiner controlling travel directions of the laser beam and the guide laser beam to substantially coincide with each other, a first optical detection unit provided from the beam path combiner detecting the laser and guide laser beams, a first controller controlling the adjusting mechanism based on a first optical detection unit detection result, a beam steering unit downstream from the beam path combiner controlling travel directions of the laser and guide laser beams, a second optical detection unit downstream from the beam steering unit detecting the guide laser beam, and a second controller controlling the beam steering unit based on a second optical detection unit detection result.
Amplifying pulsed laser radiation for EUV radiation production
Systems, methods, and apparatus, including non-transitory computer-readable storage medium, for amplifying pulsed laser radiation in an EUV laser driver are provided. An example EUV laser driver includes a beam source configured to produce the pulsed laser radiation with at least one laser frequency, an amplifier arrangement with at least one optical amplifier for amplifying the pulsed laser radiation, the at least one optical amplifier having a frequency-dependent gain with a maximum gain at a maximum frequency, at least one frequency shifter configured to produce a frequency shift for the laser frequency of the pulsed laser radiation relative to the maximum frequency, and a controller configured to set the frequency shift such that a gain of the at least one optical amplifier for the pulsed laser radiation is reduced to less than a percentage, e.g., 90%, 70%, or 50%, of the maximum gain.
Method of stranded electrical wire connection
A method of stranded electrical wire connection involves stripping the insulation of the ends of stranded wire and inserting a compression member over the ends of the wire, and applying constant, irreversible ratcheting pressure to the compression member to compress the compression member over each end of the stranded wires. The compressed stranded wires and compression member are then inserted into a tube connector which is filled with a dielectric gel. The tube connector has a cover with a snap connector member. When the compressed wire connection is fully encased within the connector tube, the cover is closed over the top of the connector tube and snapped and locked shut, to ensure for a waterproof electrical connection.
Cable with multiple electrical connectors
A cable with ends having a body portion enabling rotatable electrical connector plugs to be deployed from a stored position to a ready position. The configuration of the body portion enables the connector plug to be electrically active only in the deployed ready position. The rotation mechanism provides tactile locking sensation. The design of the present cable enables multiple permutations of connector plugs to be provided on either the alpha or beta end of the cable.
Slide battery and power tool for use with both slide and post batteries
Batteries having different form factors and power tools that are capable of using such batteries are described. In some embodiments, a power tool may use batteries having a post form factor as well as batteries having a slide form factor.
Laser direct structured connection for intravascular device
The invention generally relates to intravascular imaging catheters and methods of making catheters for imaging systems. The invention provides a connector for an imaging catheter that includes a unitary body with very thin electrical contacts that are formed on the surface of the body. Due to the scale of the contacts, the connector operates essentially as a single unitary piece of material. Each of the leads may be less than about 100 μm wide and less than about 8 μm thick, and further the leads may be spaced apart by less than about 160 μm.
Coaxial connector with electromagnetic shield
The coaxial connector is provided with a contact, an internal housing, a shell and an electromagnetic shield plate. The contact has a connecting portion which can connect with a mating side contact, and a crimping portion which crimps the central conductor. The internal housing has a contact receiving chamber opened at a rear end portion, and the connector is retained in the contact receiving chamber. The shell has a shell main body covering an external perimeter of the internal housing, and a cable clamp. The cable clamp fixes an end of the coaxial cable. The shell main body has a lock piece. A pair of slits is provided at both sides of the lock piece. The electromagnetic shield plate is disposed at an upper face of the internal housing, and has one piece which shields a portion of the pair of slits with respect to the internal housing.
Hazardous area coupler device for high frequency signals
A hazardous area coupler is provided which uses arrays of diodes to permit low voltage alternating current signals to pass through while shunting to ground any voltages greater than the clamping voltage of the diodes.
A composite connector, including: a first insulating body and a second insulating body, respectively having a first tongue plate and a second tongue plate arranged at the front ends thereof; multiple terminals respectively fixed on the first and second insulating bodies and exposed from surfaces of the first and second tongue plates; a first shielding sheet and a second shielding sheet which are integrally formed, fixed in the first and second tongue plates respectively and are positioned on one side of the terminals; and a metal shell forming a first insertion opening and a second insertion opening around the first and second tongue plates respectively. The first insertion opening is configured for insertion of a first docking connector. The second insertion opening is configured for insertion of a second docking connector. A combination of the first and second insertion openings are configured for insertion of a third docking connector.
Twist-lock electrical connector
A twist-lock electrical connector includes first and second connector portions each having a respective interface end portion and longitudinal axes. The first connector has a projection and the second connector has a corresponding bore along the connectors' respective longitudinal axes. Two electrical contacts are located at opposite sides of the projection at the first interface end portion, and two other electrical contacts are located at opposite sides of the bore at the second interface end portion. The interface end portions are configured to engage one another at a first rotational orientation in which the bore receives the projection when the first and second longitudinal axes are made substantially coaxial and the connector portions are brought together along their axes. The interface end portions further engage one another at a second rotational orientation in which the first pair of electrical contacts electrically engage the second pair of electrical contacts.
Connector having integrated housing and shield shell
A connector includes a female terminal; a female housing; a shield shell which is formed in a tubular conductive material in which both ends are opened, the shield shell being integrated with the female housing in a state in which at least one of an outer circumferential side and an inner circumferential side of an end portion on an insertion direction side to the male connector is exposed as an annular exposed surface, and the female terminal and/or the electric wire being disposed inside the shield shell; and a sealing member which has a tubular sealing portion interposed between the male housing of the fitted male connector or the shield shell and the exposed surface as a seal side exposed surface opposed to the male housing or the shield shell, and suppresses entry of liquid therebetween by the sealing member.
Inner housing for electrical connector terminal cavity
An electrical connector assembly includes an electrical connector that defines a terminal cavity. The terminal cavity extends from an insertion opening to a mating opening. An inner housing is positioned in the terminal cavity. The inner housing defines an inner cavity. The inner cavity extends from an inner insertion opening to an inner mating opening. The inner mating opening is adjacent to the mating opening of the electrical connector. An electrical terminal is positioned in the inner cavity. A mating portion of the electrical terminal is adjacent the inner mating opening.
Receptacle connector with stub-less contacts
A receptacle connector includes a housing and a plurality of contacts held in the housing. The housing extends between a front end and an opposite, rear end. The housing defines a card slot that is open at the front end for receiving a mating plug connector into the card slot through the front end. The contacts include deflectable spring beams exposed in the card slot and configured for electrical connection with the plug connector. Each of the spring beams extends continuously from an arm to a distal tip. The spring beams include bends between the arms and the distal tips. The bends are located at front ends of the contacts such that the distal tips and the arms of the spring beams are disposed rearward of the bends.
Electrical apparatus having a push-in connection terminal with a support clip guiding and limiting the elastic deformation of the contact spring
An electrical apparatus such as an electrical contactor or a terminal block, comprises a casing made of an electrically insulating material, a conductive bar mounted in the casing and at least one push-in type connection terminal. The terminal comprises a contact spring having an elastic portion undergoing an elastic deformation under the action of an external force applied on the contact spring either by an electrical conductor during its insertion at a first aperture of the casing so as to place the electrical conductor in a contact position located between the contact spring and the conductive bar in order to establish an electrical connection between the electrical conductor and the conductive bar, or by a tool inserted into a second aperture of the casing so as to open the contact spring and release the electrical conductor in order to remove it out of its contact position. The electrical apparatus comprises a support clip independent of the casing and of the conductive bar. The clip comprises fastening elements allowing mounting of the support clip on the contact spring and delimits a bearing face against which the contact spring bears during the deformation of its elastic portion under the action of the external force in order to impose the manner in which the elastic portion spatially deforms and against which the contact spring abuts in its maximum deformation state in order to limit the elastic deformation of the elastic portion of the contact spring below a predetermined value regardless of the intensity of the external force.
Threadless grounding bushing with removable spacer
A threadless grounding bushing for placement on an end of an EMT or rigid electrical conduit has a bushing body with a first portion with an inner smooth cylindrical surface dimensioned for receipt of a rigid conduit; a second portion with a central bore for the passage of conductors therethrough, the second portion dimensioned to form a stop relative to a terminating end of a rigid conduit or EMT received in the first portion; at least one set screw that extends through the first portion to make contact with the EMT or rigid conduit; a lug secured to the bushing body having an opening to secure a ground conductor thereto; and a removable spacer with an inner surface corresponding to the outer surface of an EMT and having an outer surface corresponding to the inner smooth cylindrical surface of the first portion of the bushing body.
Terminal with reduced normal force
An embodiment is directed to a receptacle terminal for receipt of a mating terminal therein. The receptacle terminal includes a contact portion which has a bottom wall and resilient contact arms. The resilient contact arms extend from opposed sides of the bottom wall. Each of the resilient contact arms has an opening extending therethrough with a first resilient contact section and a second resilient contact section extending on either side of the opening. The first resilient contact sections and the second resilient contact sections have arcuate portions which extend from the bottom wall to mating terminal engaging members. The first resilient contact sections and the second resilient contact sections generate a contact force when a mating terminal is inserted into the terminal.
Antenna array and method for synthesizing antenna patterns
An antenna array having a plurality of antenna elements is disclosed. The antenna array comprises: a plurality of transceiver modules; an active antenna element subset of the plurality of antenna elements, wherein the active antenna element subset comprises at least one active antenna element being actively coupled to an associated transceiver module of the plurality of transceiver modules; and at least one passively combined sub-array of at least two antenna elements of the plurality of antenna elements. A method for generating antenna patterns with the antenna array is also disclosed.
Waveguide device and antenna device including the waveguide device
A waveguide device includes: a first conductive member having an electrically conductive surface; a second conductive member having a plurality of electrically conductive rods arrayed thereon, each conductive rod having a leading end opposing the conductive surface; and a waveguide member having an electrically conductive waveguide face opposing the conductive surface, the waveguide member being disposed among the conductive rods and extending along the conductive surface. The waveguide member includes at least one of a bend and a branching portion. A measure of an outer shape of a cross section of at least one of the plurality of conductive rods that is adjacent to the bend or the branching portion, taken perpendicular to an axial direction of the at least one conductive rod, monotonically decreases from a root that is in contact with the second conductive member toward a leading end.
Programmable beamforming system including element-level analog channelizer
A beamforming system includes a plurality of channelizers and a channel switching module in signal communication with the channelizers. Each channelizer is configured to receive a respective input radio frequency signal and to generate a plurality of respective channels in response to downsampling the respective input radio frequency signal. The channel switching module includes a channel combining circuit configured to selectively combine a common channel generated by each channelizer to form at least one steered analog beam.
Embedded multi-band antenna in a band of a wearable electronic device
Antenna structures and methods of operating the same of an electronic device are described. One wearable electronic device includes a housing of conductive material and an antenna structure disposed on or within a band that is used to affix to a user. The antenna structure includes a first connector, a second connector, and a first antenna element. The first and second connectors extend out from sides of the band and electrically couple to a RF feed and a ground point when the first and second connectors are physically coupled to the housing. The RF circuitry is operable to cause a first current flow on at least the first antenna element via the first connector to radiate electromagnetic energy in a first frequency range.
Antenna for wireless communication system and method for fixing antenna oscillator to reflector
The present disclosure relates to an antenna for a wireless communication system. The antenna comprises a reflector having a front side for transmitting a signal and a back side opposite to the front side; an antenna oscillator disposed on the front side of the reflector; a phase shifter network disposed on the back side of the reflector; and an antenna oscillator fixing apparatus disposed on the front side of the reflector and configured to fix the antenna oscillator to the front side of the reflector. In addition, the present disclosure also relates to a method for fixing an antenna oscillator to a reflector. With the antenna and the fixing method according to the present disclosure, it is possible to manufacture an antenna with an antenna oscillator that is easy to dismantle without damaging an existing phase shifter network, which will improve maintainability of the antenna according to the present disclosure dramatically and also reduce the cost of maintenance and repairs.
Near field communication antenna and smartphone having antenna
A near field communication (NFC) antenna and a smartphone having the antenna are disclosed. The present disclosure provides a parallel stacked NFC antenna, of a smartphone, suitable for NFC communication. In addition, provided is a component arrangement structure capable of performing effective NFC communication by determining the location of the NFC antenna on the basis of the location of a slit arranged in a metal housing, and a battery.
Antenna using conductor and electronic device therefor
The present disclosure provides an antenna device, including a housing having accommodating space and an LDS antenna accommodated in the hosing, the housing includes a metal shell, a metal cover and a metal ring which cooperate and are spaced with each other, wherein inner walls of the metal shell, the metal cover and the metal ring are respectively provided with an adhesive coated layer, the adhesive coated layer includes an adhesive coated layer body, a groove provided at a side of the adhesive coated layer body far away from the metal cover, and a modified layer assembled in the groove, the LDS antenna is laser etched on the modified layer and is coupled with the metal cover. The antenna device of the present disclosure avoids frequency offset caused by gap size difference due to assembling errors between coupled antennas, so that the coupled antennas show better performance and consistency.
Antenna apparatus and vehicle using the same
An antenna apparatus includes a first antenna unit inclined at a first inclination angle, a second antenna unit inclined in a direction opposite to the first antenna unit at a second inclination angle. A distribution unit distributes an electrical signal to one of the first antenna unit and the second antenna unit.
Collar-mountable bobbin antenna having coil and ferrite slots
A collar-mountable antenna for transmitting and receiving signals in a downhole environment, in at least some embodiments, comprises a bobbin having an inner surface and an outer surface, each of the inner and outer surfaces defining multiple slots, conductive wire disposed within the multiple slots on the outer surface of the bobbin, and ferrite disposed within the multiple slots on the inner surface of the bobbin.
Irreversible circuit element and module
An irreversible circuit element includes first and second high pass isolators each including first and second center electrodes intersecting with and being insulated from each other on a ferrite to which a direct-current magnetic field is applied with a permanent magnet. One end of the first center electrode is an output port and the other end thereof is an input port, and one end of the second center electrode is another output port and the other end thereof is a ground port. A pass frequency band of the first isolator is higher than a pass frequency band of the second isolator. Respective output portions of the first and second isolators are electrically connected and defined as one output terminal, and a low pass filter LPF is inserted between the output terminal and the output port of the second isolator.
Multi-band RF monoblock filter having first and third filters in a co-linear relationship and first and second filters in a side-by-side relationship
A multi-band RF monoblock filter including at least three RF signal filters defined in the monoblock of dielectric material by resonators defined in part by through-holes extending through the block. In one embodiment, two of the RF signal filters are in a co-linear and side-by-side relationship and the third filter is in a parallel and side-by side relationship with one of the two other RF signal filters. A pattern of conductive material defines two end and one interior RF signal input/output on the block top surface. The end RF signal input/outputs are located at opposite ends of the block and the central RF signal input/output is located between the two co-linear and side-by-side RF filters. An RF signal is transmitted through the one end RF signal input/output, the two parallel and side-by-side RF signal filters, and the central RF signal input/output and also through the other end RF signal input/output, one of the co-linear and side-by-side RF filters, and the central RF signal input/output.
Vehicle battery pack with improved cooling efficiency
The present disclosure discloses a battery pack for a vehicle. The battery pack according to the present disclosure includes at least one secondary battery including a negative electrode plate, a separator, and a positive electrode plate, and at least one cooling pin which comes into contact with a casing of the secondary battery to cool the secondary battery, wherein at least one end of the cooling pin comes into contact with a car body. The cooling pin dissipates heat generated from the secondary battery through the car body. Thus, the need for a separator refrigerant, a movement channel of a refrigerant, and a pump is eliminated.
System of accumulator batteries with more reliable voltage measurement
An accumulator battery system includes series-connected accumulators with potentials across stages powering corresponding controllers that measure potential differences between terminals of accumulators. A first analog-to-digital converter encodes the potential measured between terminals of an accumulator. A first output delivers a first digital sequence corresponding to the encoded potential difference, logic levels of which are defined by at least two potentials across the first-stage accumulator terminals. A decoder decodes a potential measured by the first control-device from the first digital sequence. A second analog-to-digital converter selectively encodes a potential difference measured between terminals of a second-stage accumulator of the second stage and two potentials of the digital sequence received on the input. A second control-device processor extrapolates a potential difference across the first-stage accumulator terminal of the first stage based on two potentials of the received digital sequence.
Electric vehicle operation to manage battery capacity
Battery state of charge control systems and methods provide techniques to assist in managing battery capacity and battery life under various environmental, operating, and storage conditions. Dynamic management of desired battery SOC based on one or more parameters associated with usage patterns and environmental conditions, e.g., charge/discharge patterns, state of charge and/or temperature during storage may extend useful battery life. The present techniques can provide active state of charge monitoring and control to manage battery capacity during storage or other periods of non-use over the battery life to enhance battery performance.
Molten alkali metal-aluminum secondary battery
An aluminum-based cathode (positive electrode) for storage cells formed by deposition of a layer of aluminum metal on a porous conductive substrate. Storage cells and batteries having the cathode. The porous conducting substrate can be metal, conductive carbon or a refractory material, such as a metal boride or metal carbide. The aluminum-deposited porous substrate is in electrical contact with a cathode current collector and a suitable liquid catholyte. The cathode is, for example, combined with a molten alkali metal anode to form a storage cell. The alkali metal and the catholyte are molten or liquid at operating temperatures of the cell. Methods of storing energy and generating energy using cell having the aluminum-based cathode are provided.
Stepped electrode assembly
Disclosed herein is an electrode assembly including two or more electrode plates, each of which has electrode tabs, and a separator plate disposed between the electrode plates and/or a one-unit separation sheet disposed between the electrode plates to cover side surfaces of the electrode plates, which constitute an electrode tab non-formation region, wherein the electrode plates are stacked in a height direction on the basis of a plane such that the electrode plates having opposite polarities face each other in a state in which the separator plate and/or the separation sheet is disposed between the electrode plates, a stack constituted by the electrode plates includes electrode plates having different sizes, and an absolute value of the difference in thickness between the electrode plates having different sizes facing each other is 0 to 79 μm.
Lithium-ion conductive garnet and method of making membranes thereof
A gallium doped garnet composition of the formula: Li7-3yLa3Zr2GayO12 where y is from 0.4 to 2.0, and as defined herein. Also disclosed is a method for making a dense Li-ion conductive cubic garnet membrane, comprising one of two alternative lower temperature routes, as defined herein.
Apparatus for activating membrane electrode assembly for fuel cells
An apparatus for activating a membrane electrode assembly (MEA) for fuel cells includes: a frame. A plurality of separation plates are disposed on an upper side of a base plate, which is disposed on a top portion of the frame, to move straightly in a length direction. The plurality of separation plates are spaced apart from each other with the MEA interposed therebetween in the direction in which the separation plates move. A tilt unit, which is connected to the frame and the base plate, upwardly tilt the base plate with respect to the frame and remove a coolant generated when the MEA is activated.
Multi-electron redox active molecules for energy storage applications
A non-aqueous redox flow battery includes a catholyte including a compound of formula (I) or a compound of formula (II): Where X1 is a moiety of formula I-A or I-B:
Apparatus and method for controlling fuel cell system using reconfigurable switch network
Disclosed herein is an apparatus for controlling a fuel cell system, which includes multiple hot boxes including multiple fuel cell stacks, using a reconfigurable network having linear switching complexity, includes: a power conversion system for supplying outputs of normal stacks among the multiple fuel cell stacks to a load; at least one auxiliary power conversion system for supplying an output of at least one deteriorated stack among the multiple stacks to a load; a reconfigurable switch network for connecting in series or in parallel stacks of any hot box to stacks of another hot box; and a control unit for controlling an operation of the reconfigurable switch network by detecting a state of each of the stacks.
Method of generating electricity with a fuel cell; associated device
A method of generating electricity with a fuel cell includes a phase in which the cell is primed; and a phase in which the cell functions at a stable rate, during which the cell, fed with a hydrogenated gas, generates electricity and heat. In order to prime the cell, it is fed with a hydrogenated gas including at least 70 vol. % hydrogen, generated by self-sustaining combustion of at least one hydrogenated gas-generating solid pyrotechnic charge; and while it is operating at a stable rate, the cell is fed with a hydrogenated gas containing at least 85 vol. % hydrogen, generated by thermal decomposition of at least one hydrogenated gas-generating solid pyrotechnic charge; a portion of the heat produced by the operating cell being transferred to the at least one solid charge in order to start and maintain the thermal decomposition thereof.
Humidification device for humidifying process gases and fuel cell arrangement comprising same
A humidification device for humidifying process gases, in particular for fuel cells, having a stack of repeating components, including a steam-permeable membrane, a first layer arrangement arranged on a first side of the membrane having a first flow layer for conducting a process gas to be humidified, a multiplicity of flow channels running parallel to the membrane, a second layer arrangement arranged on a second side of the membrane having a second flow layer for conducting a humidified gas including a multiplicity of flow channels running parallel to the membrane, and two protective films which adjoin the second flow layer on both sides and have a multiplicity of through-openings.
Humidifier for fuel cell system
A humidifier for a fuel cell system is provided to improve humidification efficiency of a hollow fiber improving a gas flow inside a membrane module into which tube side air and moist air are introduced. The humidifier includes a membrane module in which hollow fibers are fixed inside a case in a bundle form and a first manifold and a second manifold each assembled at both ends of the case. An inside of the membrane module includes a tube side air supply tube which forms a gas flow in the same direction as the hollow fiber and one side of the tube side air supply tube includes at least one moist air pumping part configured to suction moist air flowing in an exterior of the tube side air supply tube by a flow velocity and a flow pressure of tube side air.
Fuel cell system with interconnect
The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer.
Oxygen reduction reaction electrocatalyst
The oxygen reduction reaction electrocatalyst is a Pt/N/C electrocatalyst that provides an efficient ORR catalyst suitable for use in polymer electrolyte membrane (PEM) fuel cells, for example. The oxygen reduction reaction electrocatalyst is in the form of platinum nanoparticles embedded in a nitrogen-enriched mesoporous carbon matrix, particularly a nitrogen-enriched graphite matrix. The nitrogen-enriched graphite matrix has an average surface area of 240.4 m2/g, and the platinum nanoparticles each have an average diameter between 10 nm and 12 nm.
Method for producing fuel cell electrode catalyst
A method for producing a fuel cell electrode catalyst, including a step (I) of bringing an aqueous solution of a transition metal compound (1) into contact with ammonia and/or ammonia water to generate a precipitate (A) containing an atom of the transition metal, a step (II) of mixing at least the precipitate (A), an organic compound (B), and a liquid medium (C) to obtain a catalyst precursor liquid, and a step (IV) of subjecting the solid in the catalyst precursor liquid to heat treatment at a temperature of 500 to 1200° C. to obtain an electrode catalyst; a portion or the entirety of the transition metal compound (1) being a compound containing a transition metal element of group 4 or group 5 of the periodic table; and the organic compound (B) being at least one selected from sugars and the like.
Positive electrode for rechargeable lithium battery, and winding element rechargeable lithium battery
A positive electrode for a rechargeable lithium battery includes a positive current collector; a high elastic modulus layer on the positive current collector and including a first positive active material and a high elastic modulus binder; and a low elastic modulus layer on the high elastic modulus layer and including a second positive active material and a low elastic modulus binder, wherein the low elastic modulus binder has a lower tensile modulus than the high elastic modulus binder. A winding element includes the positive electrode. A rechargeable lithium battery includes the winding element.
Method for producing positive electrode active material layer for lithium ion battery, and positive electrode active material layer for lithium ion battery
To provide a method for producing a positive electrode active material layer for lithium ion battery that can improve durability and internal resistance of lithium ion battery, and particularly lithium ion battery that operates at high voltage. The method for producing positive electrode active material layer for a lithium ion battery includes coating a substrate with positive electrode mixture slurry containing positive electrode active material, first lithium salt, second lithium salt and solvent, and drying off the solvent. First lithium salt is lithium phosphate, the second lithium salt is selected from the group including of lithium carbonate, lithium hydroxide, lithium nitrate, lithium acetate, lithium sulfate and combinations thereof, and the proportion of the second lithium salt with respect to the first lithium salt is 1 to 50 mol % based on the number of lithium atoms.
Electrode materials for lithium ion batteries
Electrode materials comprising (a) at least one component of general formula (I) Li(1+x)[NiaCObMncM1d](1−x)O2 (I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 M1 is at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one component of general formula (II) LiFe(1−y)M2yPO4.m lithium phosphate (II) y is in the range of from zero to 0.8 M2 is at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn, and Y, m is selected from 0.01 to 0.15 (c) carbon in electrically conductive modification.
Control system and control method
The surface profile of a coating material in a substrate width direction is optimized in coating a substrate with the coating material such as an electrode active material. A gap adjuster configured to adjust a gap between a nozzle for ejecting a coating material and a substrate to be coated with the coating material, a rotation speed adjuster configured to adjust a rotation speed of a pump for pressure-feeding the coating material to the nozzle, a model calculator configured to calculate a surface profile of the coating material based on an end region model and a central region model wherein the end region model models profiles of rising regions in the surface profile of the coating material in a width direction of the substrate and the central region model models a profile of a central region between the rising regions in the surface profile, a comparator configured to compare a predetermined set profile with the surface profile of the coating material calculated by the model calculator, and a control calculator configured to calculate a control amount of at least one of the gap adjuster and the rotation speed adjuster based on a comparison result of the comparator are included.
Prismatic secondary battery having spark prevention mechanism and battery pack using the same
A prismatic secondary battery of one configuration has a current disconnection mechanism, and a distance from a first conductive member to a second conductive member along a surface of a first insulation member and passing an outer periphery of the first insulation member is greater than or equal to 2.4 mm. At least one of the first insulation member and a second insulation member is formed from a material having a weight reduction percentage of 100% in thermo gravimetric measurement under conditions of a measurement temperature of 25° C.-600° C., a temperature increase rate of 5° C.±0.5° C./min, a measurement atmosphere of inert gas flow, and an amount of measurement sample of 10 mg±5 mg.
Secondary battery and electrode lead assembly applied thereto
A secondary battery according to the present disclosure includes an electrode assembly, a first lead plate connected to the electrode assembly, a second lead plate disposed facing the first lead plate with a gap therebetween such that at least a portion of the second lead plate overlaps with at least a portion of the first lead plate, a metal bridge disposed within the gap to connect the first lead plate and the second lead plate, a first sealant disposed within the gap further outside than the metal bridge, a pouch case to receive the electrode assembly such that the second lead plate is drawn outside, and a second sealant interposed respectively between an inner surface of the pouch case and the first lead plate and between the inner surface of the pouch case and the second lead plate.
Safety element for battery cell
A galvanic element includes a housing, a positive terminal, a negative terminal, and a collector associated with each terminal. The collectors are configured to make contact with an electrode assembly in the interior of the housing. The housing is a stainless steel housing which has a negative potential or a neutral potential.
Electrode assembly having tab-lead joint portion of minimized resistance difference between electrodes and electrochemical cell containing the same
Disclosed herein is a stacking or stacking/folding type electrode assembly of a cathode/separator/anode structure, wherein the electrode assembly is constructed in a structure in which tabs (electrode tabs), having no active material applied thereto, protrude from electrode plates constituting the electrode assembly, the electrode tabs are electrically connected to an electrode lead, and the pluralities of electrode tabs are joined to the top and the bottom of the electrode lead at an electrode lead-electrode tabs joint portion such that the resistance difference between electrodes at the electrode lead-electrode tabs joint portion is minimized. Also disclosed is an electrochemical cell including the electrode assembly.
Bus bar assembly including integrated bus bar support
A battery module is provided. The battery module includes a set of stacked battery cells, each stacked battery cell including at least one cell tab and a bus bar assembly including a bus bar, a bus bar support overmolded around a sense line electrically coupled to the battery cells, the bus bar support including cell tab openings having the plurality of cell tabs extending therethrough.
Separator for nonaqueous electrolyte secondary battery, and battery including same
A separator 1 for a nonaqueous electrolyte secondary battery, includes a resin-made substrate (2) and a porous heat resistance layer (4) disposed on the substrate. The porous heat resistance layer includes an inorganic filler (6) and hollow bodies (7). The hollow body includes a shell portion and a hollow portion. The shell portion is formed of an acryl resin. The hollow portion is formed inside the shell portion. An opening portion extending through the shell portion to spatially interconnect the hollow portion and the outside of the shell portion is formed in the shell portion.
Cylindrical lithium-ion cell
A cylindrical lithium ion battery in which an electrode group formed by winding a positive electrode and a negative electrode is housed in a battery case is disclosed. A sealing plate seals an opening of the battery case. An insulating plate having a plurality of openings is provided on a side of the electrode group closer to the sealing plate. The plurality of openings include a first hole with a largest opening area, and a plurality of second holes with opening areas smaller than the opening area of the first hole. An opening ratio of the first hole is 12% or more and 40% or less; a sum of opening ratios of the second holes is 0.3% or more and 10% or less; and a total opening ratio of all the openings is 20% or more and 50% or less.