A second tape feeding mechanism 20B can deal with a plurality of types of carrier tapes and has a biasing mechanism 25 that brings a biasing member 30 in which a recess portion 30b is provided in an abutment surface 30a into abutment with a carrier tape so as to bring the carrier tape into engagement with an outer circumferential surface of a sprocket 21B, and with a preceding tape kept in engagement with the sprocket 21B, a leading end portion of a following tape is inserted between the sprocket 21B and the preceding tape.
Perimeter ventilation system for electronic display
The exemplary embodiments herein provide an electronic display assembly having an electronic display surrounded by a front panel and a housing. An ingestion gap may be placed near a portion of the perimeter of the front panel while an exhaustion gap may be placed near an opposing portion of the perimeter of the front panel. A buffer zone may be defined between the ingestion gap and the exhaustion gap. A fan may be positioned to draw open loop fluid into the ingestion gap, through a channel behind the electronic display, and out of the exhaustion gap. This fan may also draw open loop fluid through an optional heat exchanger. A circulating fan may force circulating air through an optional heat exchanger.
Computing device, method, and computer program for controlling cooling fluid flow into a computer housing
A computing device having a housing; a temperature monitor to monitor a temperature within the housing; a cooling fluid drawing mechanism to draw cooling fluid into the housing; a cooling fluid drawing controller, when the computing device is installed within an enclosure as one of plural computing devices, to obtain a value representing the temperature, and if the value is within a predetermined range, to select an operating state for the mechanism from among a first state in which the mechanism draws fluid into the housing at a first rate, and a second state in which the mechanism draws cooling fluid into the housing at a second rate lower than the first rate, and to run the mechanism in the selected state; where the selection of the state is based on demand for cooling from other computing devices from among the plurality of computing devices.
A drive unit for driving a motor has a component assembly including a main circuit board having a component side and a solder side, one or more main circuit conductors formed in at least one layer of the main circuit board, a power component module including one or more power components, the power component module having electrical connection terminals for connecting the power component(s) to the one or more main circuit conductors of the main circuit board and a cooling plate coupled to the power component(s) in a manner enabling transfer of heat from the power component(s) to the cooling plate. The power component module is mounted to the component side of the main circuit board. The component assembly further includes a heat sink mounted on the cooling plate and a fan mounted on the heat sink.
Systems and methods for vibrational isolation of information handling resources
In accordance with embodiments of the present disclosure, a vibrational isolator may include at least one supporting section and at least one attachment member mechanically coupled to the at least one supporting section and configured to mechanically couple to a chassis, such that when disposed in a chassis, the at least one supporting section suspends from the chassis and is configured to support vibration-generating equipment.In accordance with these and other embodiments of the present disclosure, a method may include forming at least one supporting section and forming at least one attachment member mechanically coupled to the at least one supporting section and configured to mechanically couple to a chassis, such that when disposed in a chassis, the at least one supporting section suspends from the chassis and is configured to support vibration-generating equipment.
Chassis with air guiding member
A chassis includes a base, a number of fans mounted in the base, and an air guiding member. The base includes a bottom wall and a sidewall perpendicularly connected to a side of the bottom wall. The fans are mounted on the bottom wall. The air guiding member includes a fixing portion slidably mounted to the sidewall and a guiding portion pivotably connected to the fixing portion. The guiding portion is pivotable to adjust the direction of airflow from the fans.
Electronic module with removable fan assembly
A fan assembly for an electronics module is presented, the fan assembly includes a fan housing at least partially enclosing a fan, a first bracket assembly at a first end of the fan housing, the first bracket having a handle and a latching element, and a second bracket disposed on a second end of the fan housing. The handle is movable between an unlatched position for manual grasping of the handle and a latched position for allowing an air flow through the fan assembly.
Slide rail assembly
A slide rail assembly includes a first rail, a second rail, a bracket base, and a bracket. The first rail defines a channel. The second rail is movably connected to the first rail and is longitudinally displaceable relative to the first rail in the channel of the first rail. The bracket base is connected to the first rail. The bracket is movably connected to the bracket base. When displaced in an extending direction from a retracted position toward an extended position relative to the first rail, the second rail drives the first rail to displace the bracket base from a first position to a second position relative to the bracket.
Information technology racks with integrated data signal and power distribution
An information technology (IT) rack that includes IT appliances, housed by the IT rack, and a set of backplanes. Each backplane includes appliance-interfacing connectors. Insertion of the IT appliances into the IT rack causes mating of backplane-interfacing connectors of the IT appliances with the appliance-interfacing connectors. The IT rack further includes a centrally located interface to which the appliance-interfacing connectors are wired. The centrally located interface determines a connectivity of the IT appliances.
Electrical service interface system
An electrical service interface system include an energy storage device and inverter mounted to a transformer tower, wherein each of the energy storage device and inverter include guide wheels configured to rollably mount the energy storage device and inverter to corresponding guide rails mounted to a support pad, and to align the energy storage device to the inverter, and the inverter to the transformer tower. In an installed configuration, the energy storage device electrically and mechanically couples to the inverter via a DC connector and one or more latching mechanisms, and the inverter mechanically and electrically couples to the transformer tower via an AC connector and one or more latching mechanisms.
Integrated power racks and methods of assembling the same
An integrated power rack for use in a data center is provided. The integrated power rack includes a top, a base, a first side and a second side extending between the base and the top, a back member extending between the top, the base, the first side, and the second side, a divider extending from the top to the base, the divider positioned between the first side and the second side, a revenue sub-compartment defined between the first side and the divider, the revenue sub-compartment configured to receive a plurality of revenue producing devices, and a power sub-compartment defined between the second side and the divider, the power sub-compartment housing power equipment that is configured to provide direct-current (DC) power to the revenue sub-compartment.
Electronic control apparatus for vehicle
The present disclosure relates to an electronic control apparatus for a vehicle, and the electronic control apparatus of the present disclosure includes: an electronic control element which includes an electronic control board which electrically controls each part of a vehicle, and a heating element which is positioned on a surface of the electronic control board; a cover and a base which accommodate the electronic control element; and a connector which is coupled to the electronic control element, in which an edge part where the cover and the base come into contact with each other is configured in a multi-step bent shape.
Electronic device having waterproof structure
An electronic device is provided. The electronic device includes an electronic component connected to a Printed Circuit Board (PCB), a housing comprising a recess configured to accommodate the electronic component and a hole formed in at least part of the recess to pass the PCB, and a sealing member disposed in at least part of the hole and configured to cover at least part of the PCB.
Kickstand for protective case
A kickstand for an electronic device includes a standing leg, a base and an adhesive provided on a surface of the base so that the base can be attached to the protective case. The kickstand further includes a shaft and the standing leg is pivoted on the base. The base includes a first opening and a second opening to receive both ends of the shaft, and the shaft is substantially in a shape of a cylinder and includes a head, a body, and a bottom. The shaft further includes a cylindrical hole formed on the bottom and a metal pin is received in the cylindrical hole. The diameter of the head is greater than that of the body. Additionally, the diameter of the bottom is greater than that of the body.
Suspended segmented display array
A suspended segmented display array in one embodiment includes multiple cables offset from a wall via standoff members. Adjacent display panels attach to cables via finger releasable clamps and present varied and unique visual displays. A versatile and cost-effective display system thus is established that accommodates a wide range of content which can readily be changed out.
Electronic device for vehicle
A vehicular electronic device has a semiconductor package and a multilayer wiring board. An electrode pad of the multilayer wiring board, to which a signal terminal of the semiconductor package is soldered, has a wiring pattern in an inner layer of the multilayer wiring board. A solder resist is applied and spaced from a periphery of the electrode pad to the exterior. The signal terminal is soldered to the electrode pad to cover an upper surface and an upper end of a side surface of the electrode pad. As a result, a crack is less likely to occur in solder connected to the signal terminal. Therefore, the signal terminal can be electrically connected with high reliability even when the signal terminal is provided in the semiconductor package with a small number.
Beam bar snap in an electronic device
This is directed to a hook and receiving element combination for securing components forming the shell of an electronic device. The receiving element can include a beam connected to the outer shell component and operative to deflect as the hook element approaches the receiving element. To limit deflections of the outer shell component, the beam can be restrained at opposing ends in directions perpendicular to the beam length, but free to slide along the beam axis. In some embodiments, the receiving element can include a lip for guiding the deflection of the beam as the beam contacts the hook element. In particular, the lip can ensure that the beam deflects at an angle relative to the hook element motion such that a smaller hook element motion is required to engage the beam.
Modular electronic instrumentation chassis with integrated high performance reference clock and associated methods
The modular electronic instrumentation platform chassis is for use with a plurality of instrumentation modules and includes a frame defining a module area and a non-module area. The module area includes a plurality of slots open to a front of the frame and configured to receive instrumentation modules therein. A front panel may be carried by the front of the frame adjacent the plurality of slots. A chassis power unit is configured to provide power to the plurality of instrumentation modules received in the slots. A reference clock unit carried by the frame in the non-module area and is configured to provide a low phase-noise reference clock for the plurality of instrumentation modules received in the slots. The reference clock unit includes vibration dampening mounts that mount the reference clock unit to the frame, power supply circuitry, reference clock circuitry, a shield to isolate the power supply circuitry from the reference clock circuitry, and a plurality of reference clock outputs mounted in the front panel and coupled to the reference clock circuitry.
Film composite having electrical functionality for applying to a substrate
A film composite with electrical functionality for application on a substrate includes at least one conductive structure, a first bonding coat, a film layer and a second bonding coat. The first bonding coat is disposed on an underside of the at least one conductive structure, wherein the first bonding coat has an adhesive effect for application of the at least one conductive structure on the substrate. The second bonding coat is disposed between an upper side of the at least one conductive structure and the film layer. The second bonding coat has an adhesive effect, by which the film layer adheres to the at least one conductive structure.
Wiring substrate, method of manufacturing wiring substrate, component-embedded glass substrate, and method of manufacturing component-embedded glass substrate
A method of manufacturing a wiring substrate that has a wiring including a through glass via and is formed of a glass substrate includes forming an alteration layer that penetrates the wiring substrate and is patterned, forming the wiring on a front surface of the wiring substrate in which the alteration layer has been formed, and filling an electrode material in a hole formed by removing the alteration layer, thereby forming the through glass via that connects the wiring on the front surface of the wiring substrate and the wiring on a back surface side thereof.
Selective solder mask printing on a printed circuit board (PCB)
A method for printing on a substrate, the method may include determining actual locations of substrate holes; printing a first ink on an object at locations that correspond to the actual locations of the substrate holes and curing the first ink to provide a holes mask; and wherein after the substrate is positioned on the object so that holes mask seals bottoms of the substrate holes then printing the second ink on the substrate thereby forming a predefined pattern on the substrate.
Device for producing and/or processing a workpiece
In a device for producing and/or processing a workpiece, in particular circuit boards (1), in a work station (2), in particular for printing a corresponding blank or for checking finished circuit boards (1), at least one mark (15) is provided on the workpiece. In this arrangement, at least one reference (14), which can be brought into alignment with the mark (15), is provided in the work station (2).
Substrate structure, semiconductor package device, and manufacturing method of semiconductor package
A substrate structure, a semiconductor package and a manufacturing method of semiconductor package are provided. The substrate structure comprises a conductive structure, an electrical component, a package body and a ring-shaped conductive structure. The conductive structure comprises a first conductive layer and a second conductive layer. The first conductive layer has a lower surface. The second conductive layer and the electrical component are formed on the lower surface of the first conductive layer. The package body encapsulates the conductive structure and the electrical component and has an upper surface. The ring-shaped conductive structure surrounds the conductive structure and the electrical component and is disposed at the edge of the upper surface of the package body to expose the conductive structure.
Contact pad structure, an electronic component, and a method for manufacturing a contact pad structure
According to various embodiments, a contact pad structure may be provided, the contact pad structure may include: a dielectric layer structure; at least one contact pad being in physical contact with the dielectric layer structure; the at least one contact pad including a metal structure and a liner structure, wherein the liner structure is disposed between the metal structure of the at least one contact pad and the dielectric layer structure, and wherein a surface of the at least one contact pad is at least partially free from the liner structure, and a contact structure including an electrically conductive material; the contact structure completely covering at least the surface being at least partially free from the liner structure of the at least one contact pad, wherein the liner structure and the contact structure form a diffusion barrier for a material of the metal structure of the at least one contact pad.
Flexible printed circuit board hinge
In order to limit the stress and strain applied to a printed circuit board while still maintaining flexibility, a flexible section of the printed circuit board is configured to have a non-linear portion that functions as a hinge when the flexible section is bent, flexed, twisted or otherwise subjected to a motion related force. The hinge configuration improves durability and flexibility while minimizing ripping and cracking of the printed circuit board, particularly interconnects within the flexible section and a transition region between the flexible section and a rigid section of the printed circuit board. The hinge is configured to have a non-linear shape, such as a serpentine or circuitous path that can include curved portions, different linear portions or some combination of curved and linear portions.
Method for fabricating a flexible electronic structure and a flexible electronic structure
Flexible electronic structure and methods for fabricating flexible electronic structures are provided. An example method includes applying a first layer to a substrate, creating a plurality of vias through the first layer to the substrate, and applying a second polymer layer to the first layer such that the second polymer forms anchors contacting at least a portion of the substrate. At least one electronic device layer is disposed on a portion of the second polymer layer. At least one trench is formed through the second polymer layer to expose at least a portion of the first layer. At least a portion of the first layer is removed by exposing the structure to a selective etchant to providing a flexible electronic structure that is in contact with the substrate. The electronic structure can be released from the substrate.
Controlling intensity of a particle beam
In an example, a synchrocyclotron includes a particle source to provide pulses of ionized plasma to a cavity; a voltage source to provide a radio frequency (RF) voltage to the cavity to accelerate particles from the plasma column outwardly; and an extraction channel to receive a beam of particles from the cavity for output from the particle accelerator. The particle source is configured to control pulse widths of the ionized plasma in order to control an intensity of the beam of particles. This example synchrocyclotron may include one or more of the following features, either alone or in combination.
System and method for transverse pumping of laser-sustained plasma
A laser-sustained plasma light source for transverse plasma pumping includes a pump source configured to generate pumping illumination, one or more illumination optical elements and a gas containment structure configured to contain a volume of gas. The one or more illumination optical elements are configured to sustain a plasma within the volume of gas of the gas containment structure by directing pump illumination along a pump path to one or more focal spots within the volume of gas. The one or more collection optical elements are configured to collect broadband radiation emitted by the plasma along a collection path. Further, the illumination optical elements are configured to define the pump path such that pump illumination impinges the plasma along a direction transverse to a direction of propagation of the emitted broadband light of the collection path such that the pump illumination is substantially decoupled from the emitted broadband radiation.
Liquid filament for incandescent lights
A filament for a light bulb includes a tube and a filament material within the tube, wherein the filament material is configured to be in a liquid state while the light bulb is in use.
Methods and apparatus for wirelessly powered lighting
Aspects comprise apparatus and methods for wirelessly powered lighting products. One aspect comprises an apparatus that generates light from a wirelessly coupled power source. The apparatus comprises a first conductive loop configured to enclose an area, the first conductive loop configured to resonate and generate an induced current when excited by a magnetic field generated by a transmitter. The apparatus further comprises a first set of one or more capacitive elements coupled to the first conductive loop, the coupled first conductive loop and first one or more capacitive elements configured to form a first resonant circuit. The apparatus also comprises a first set of one or more lighting devices integrated with the first conductive loop, the first set of one or more lighting devices each configured to generate a light based on the induced current that flows through the first set of one or more lighting devices.
System for alternating light-emitting of dynamic random access memory
A system for alternating lighting-emitting of dynamic random access memory (DRAM) is provided, including a plurality of DRAMs and an application program. Each DRAM includes a processing unit and a lighting-emitting unit. The processing unit is able to trigger the lighting-emitting unit to emit light in a preset mode. The lighting-emitting units define a lighting-emitting module. The application program is installed in a mobile electronic device. The application program sends a signal to the processing units of the DRAMs via the mobile electronic device to match with and identify the DRAMs, and the application program can make each said processing unit control the light-emitting unit to emit light and make the light-emitting module emit light in a preset mode.
Handheld device for controlling settings of a lighting fixture
A handheld device having a communication interface configured to wirelessly communicate with a plurality of lighting fixtures and control circuitry is described. In one embodiment, the circuitry is configured to effect selection of a first lighting fixture in a first group of lighting fixtures via the communication interface; identify the first group of lighting fixtures based on information from the first lighting fixture; determine new settings for the first group of lighting fixtures; and send the new settings to each of the first group of lighting fixtures via the communication interface, wherein the first group of lighting fixtures includes a defined plurality of lighting fixtures that are associated to operate in a coordinated manner.
Power line communication method and apparatus using downstream current modulation
A lighting control system is provided with a communication method utilizing downstream current modulation. A primary controller is electrically coupled to a plurality of lighting devices via a mains power transmission network. Each of the respective lighting devices includes an occupancy sensor and is configured to provide full illumination when occupancy is detected in the associated area. The controller identifies occupancy by an increase in current on the mains lines, directs the other devices to fully illuminate, and activates a timer. Prior to lapsing of the timer, any of the devices may indicate continued occupancy by adjusting an operating current to a respective light source according to a predetermined pattern. Upon identifying the pattern, the controller generates control signals directing each of the other devices to remain fully illuminated, and resets the timer. The predetermined pattern may for example include amplitude modulation, threshold numbers of cycles, or both.
Lighting devices configurable for generating a visual signature
A lighting device includes a light source, an image sensor, a controller, a memory, and a wireless transceiver. The light source is configured to emit light for general illumination. The image sensor is configured to acquire an image of an area illuminated by the light source. The controller is coupled to control the image sensor and to receive the acquired image of the illuminated area from the image sensor. The controller is configured to operate the wireless transceiver to receive identification information from a wireless device in the illuminated area. The controller is further configured to automatically generate a visual signature based on image information of a person or object, obtained from the image of the illuminated area. The controller also is configured to store the visual signature of the person or object in the memory in association with the wireless device identification information.
LED backlight driving circuit
An LED backlight driving circuit is disclosed. The present disclosure relates to the technical field of display, whereby the technical problem of the incorrect detection of the short circuit detection module when the open circuit malfunction occurs to one LED backlight unit and the output voltage of the LED backlight driving circuit rises can be solved.
Current splitter for LED lighting system
Systems and methods for controlling a light emitting diode (LED) system having a plurality of LED arrays are provided. The lighting system can include a dimmable LED driver circuit configured to provide a driver output suitable for providing a driver current to the LED arrays. A current splitter circuit can be provided between the LED driver circuit and the plurality of LED arrays to control the ratio of current from the driver output provided to each of the plurality of LED arrays. The current splitter circuit can be configured to control the current ratio provided to the plurality of LED arrays independently of the driver output according to a current ratio control curve based at least in part on a variable reference signal provided at the current splitter circuit.
Luminaire for use in a system for generating non-homogenous light and associated methods
A luminaire is for use in a lighting apparatus that includes a plurality of luminaires and a computerized device. The luminaire includes a plurality of lights and a controller. The luminaire is operated to emit source light characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers, and with a different dominant source light wavelength than the source light of at least one other luminaire in the lighting apparatus, and such that the source light emitted by the luminaire is combined with the source light emitted by the at least one other luminaire to form a combined light. The dominant source light wavelength of the luminaire is variable with time, and the controller operates the plurality of LEDs such that a color temperature of the combined light does not vary more than 5% across the length and width of the area of illumination while the dominant source wavelength varies with time.
Digitally controlled driver for lighting fixture
The present disclosure relates to a lighting fixture that is capable of providing white light over an extended range of correlated color temperatures.
Computing apparatus and LED driver
A computing apparatus triggered by input signal edges from a power supply line includes an edge-triggered computing device, a charging device, and an initialization device. The edge-triggered computing device is triggered to compute by the input signal edges from power supply line, and is used to output computing results; the charging device is configured to supply power to the edge-triggered computing device based on the input signals from the power supply line; the initialization device is configured to initialize the edge-triggered computing device based on the voltage of the power supplied by the charging device. An LED driver includes the computing apparatus is to configured to control a driving device according to the computing results, thereby achieving display of light from LEDs using the power supply line and ground line without extra control signal line, and facilitating on-chip implementation of LED driving circuits.
Self-identifying solid-state transducer modules and associated systems and methods
Self-identifying solid-state transducer (SST) modules and associated systems and methods are disclosed herein. In several embodiments, for example, an SST system can include a driver and at least one SST module electrically coupled to the driver. Each SST module can include an SST and a sense resistor. The sense resistors of each SST module can have at least substantially similar resistance values. The SSTs of the SST modules can be coupled in parallel across an SST channel to the driver, and the sense resistors of the SST modules can be coupled in parallel across a sense channel to the driver. The driver can be configured to measure a sense resistance across the sense resistors and deliver a current across the SSTs based on the sense resistance.
Power supply device with control based on setting resistor
A power supply device includes a power conversion module and a power regulating module. The power conversion module is configured to convert an AC electric power into a DC electric power. The power regulating module includes a microprocessor, a voltage-dividing resistor, a constant-voltage regulator, and a constant-current regulator. The voltage-dividing resistor is electrically connected to the setting resistor and the microprocessor. The constant-voltage regulator is electrically connected to the power conversion module, the dividing resistor, and the setting resistor; The constant-current regulator is electrically connected to the power conversion module and the microprocessor. A constant voltage is coupled to the dividing resistor and the setting resistor to impress a first adjustment signal and a second adjustment signal based on the setting resistor such that a driving signal outputted from the power regulating module to the power conversion module is adjusted to yield a desired voltage and a desired current.
Switching converter and lighting device using the same
A switching converter for supplying power to a load, includes: an output circuit including at least a switching transistor, an inductive element, and a rectifying element configured to rectify a current flowing to the inductive element according to switching of the switching transistor; a control circuit configured to drive the switching transistor; a first capacitor configured to generate a power source voltage for the control circuit between both ends of the first capacitor; a start-up circuit installed between an input line to the switching converter and the first capacitor and configured to charge the first capacitor with an input voltage of the input line; and a discharge circuit configured to discharge the first capacitor when the switching converter is started up.
Lighting device and lighting fixture using same
Provided is a lighting device including two switching elements, a control circuit, a resonance circuit, a rectification circuit, and a feedback circuit. The control circuit controls two switching elements such that the two switching elements operate separately from each other. The control circuit changes the switching frequencies of the two switching elements from high frequencies to low frequencies, relative to one another, when the operation (switching operation) of the switching elements is started. The control circuit controls the feedback circuit such that the difference output from an error amplifier approaches zero within a period of time from a point of time at which the switching operation is stopped to a point of time at which the switching operation is next started.
Systems and methods for powering a microprocessor from an isolated secondary side to enable off-line communication on an LED driver
An LED driver circuit includes a primary circuit and a circuit electrically isolated from the primary circuit, a transformer having a primary winding configured to receive power from an alternating current source and to generate power in a first secondary winding configured to provide power to the electrically isolated circuit, and to generate power in a second secondary winding configured to provide power to the primary circuit, and a conductor connected to an end of the first secondary winding and configured to connect a winding driver signal to the first secondary winding to generate power in the second secondary winding.
Thermoelectrically powered portable light source
Provided is a portable, thermoelectrically powered device, such as a flashlight or headlamp. The device comprises at least one thermoelectric generator for extracting body heat from a user, the Thermoelectric generator located on and extending through an elongated open ended outer shell, a heat sink in contact with an inner surface of the thermoelectric generator and configured to provide an elongated first cooling channel therethrough, circuitry in electrical communication with the thermoelectric generator, the circuitry comprising a transistor oscillator, a step-up transformer and a decoupling capacitor, the circuitry in electrical communication with a power sink, such that in use, a temperature gradient across the thermoelectric generator is sufficient to result in generation of at least about 25 μW of power.
Automated aerial vehicle wireless communication and networks
An automated mobile vehicle configured to autonomously provide coverage for inoperable infrastructure components at various locations. In accordance with disclosed embodiments, a plurality of automated mobile vehicles are deployed to provide emergency lighting, a wireless network, audio, video, etc., at an indoor and/or outdoor event area.
Method and apparatus for handling device to device communication in a wireless communication system
A communication device includes a communication interfacing unit, a display unit, and a processor. The processor operable to perform operations includes controlling the display unit to display a user interface; controlling the display unit to display a first icon on the user interface, in which the first icon indicates a first strength of a first signal of a radio access technology (RAT) received by the communication interfacing unit; and controlling the display unit to display a second icon on the user interface corresponding to a second strength of a second signal of the RAT received by the communication interfacing unit, in which the first signal and the second signal are transmitted by different devices.
Enhanced connection management for multiple access networks
Semi-connected state operation for UEs in multiple-access networks is described. In the semi-connected state, UEs may monitor system information and paging, and mobility may be UE-controlled. Base stations may determine whether to transition UEs from the connected state to the semi-connected state based on capabilities, priority, data connections, or loading conditions. Base stations may maintain context information and logical traffic connections for UEs while UEs continue to be served by the base station in the semi-connected state. Thus, when a transition from the semi-connected state to the connected state occurs, the base station does not have to re-establish security parameters, nor re-establish logical traffic connections within the network for carrying control plane and user plane data for the UE. Context information for semi-connected state UEs may be shared between neighboring base stations or base stations within a context area. The techniques may be applied to LTE/LTE-A networks.
Method and apparatus for improving circuit switched service availability to user equipment
A method and an apparatus are provided for improving availability of a circuit switched (CS) service to a user equipment (UE). The UE sends at least one location area update (LAU) message, to a core network (CN), to initiate an LAU procedure. A release of a CS signaling connection between the UE and the CN is detected due to a failure in the LAU procedure. An ongoing PS signaling connection between the UE and the CN is identified, when the CS signaling connection between the UE and the CN is released. The ongoing PS signaling connection is released. A public land mobile network (PLMN) is selected for obtaining CS services from the core network, when the ongoing PS signaling connection is released.
NAS connection establishment method, system and radio access network node
Disclosed are an NAS connection establishment method and a radio access network node, the method includes: a radio access network node receiving, from a machine type communication (MTC) user equipment (UE), an Access Stratum (AS) message carrying a non-access stratum (NAS) request message, wherein the AS message carries a request reason of the AS request message; the radio access network node converting the request reason in the AS message into priority indication information and sending a signaling to a core network node, wherein the signaling includes priority indication information and the NAS request message carried in the AS message; the core network node determining the priority of the NAS request message based on the priority indication information in the signaling, and when the core network has a congestion, the core network node sending a rejection response message to a UE that sends an NAS request message with a low priority.
LTE+CDMA 1x hybrid
An apparatus for communicating over a circuit switched network and a packetized data network. The apparatus includes a packetized data modem, a circuit switched modem, and a hybrid processor. The packetized data modem is configured to communicate with the packetized data network over a packetized data radio link via a radio. The circuit switched modem is configured to communicate with the circuit switched network over a circuit switched radio link via the radio. The hybrid processor is configured to monitor a circuit switched sleep cycle and a packetized data sleep cycle, and is configured to direct the packetized data modem and the circuit switched modem to switch between the networks according to the sleep cycles by prioritizing communications with the circuit switched network above communications with the packetized data network.
Initial access channel for scalable wireless mobile communication networks
Physical layer structures and access schemes for use in such networks are described and in particular initial access channel (IACH) structures are proposed. A spectrum efficient downlink (DL) IACH design supports different types of User Equipment (UE) capabilities and different system bandwidths. An IACH includes the synchronization channel (SCH) and broadcast-control channel (BCH). A non-uniform SCH for all system bandwidths is provided, as well as scalable bandwidth BCH depending on system bandwidth. An initial access procedure is provided, as well as an access procedure.
NFC collision avoidance with controllable NFC transmission delay timing
A first near field communication (NFC) circuit includes an antenna, a charging circuit, a transceiver circuit, and a transmission delay circuit. The antenna is configured to inductively couple to signals emitted by a second NFC circuit. The charging circuit is configured to output power provided by the inductive coupling through the antenna to the signals emitted by the second NFC circuit. The transceiver circuit is configured to be powered by the charging circuit to transmit data for receipt by the second NFC circuit. The transmission delay circuit is configured to be powered by the charging circuit and control the transceiver circuit to delay transmission of the data until expiration of a defined delay time after the transceiver circuit has become sufficiently powered on to operate to transmit the data. Related accessories for user equipment, user equipment, and methods are disclosed.
Wireless communication system, wireless communication apparatus, wireless communication method, and computer program
Random access operation is performed under a communication environment in which a plurality of communication modes having different transmission rate coexist with small overhead. A high-grade communication station spoofs information of a packet length and a rate in a decoding portion so that a value of (packet length)/(rate) corresponds to a duration where the communication is hoped to be stopped. The other station receiving the spoofed information receives the rest of the packet with the designated rate during the interval designated by the value of (packet length)/(rate). In this case, the packet length and the rate are not those of actually transmitted packet so that this packet is discarded.
Bulk fine timing measurement allocation message
Examples disclosed herein relate to the scheduling and transmission of timing measurements between mobile computing devices in an area to determine the devices' locations. A bulk fine timing measurement (BFTM) allocation message is generated by a scheduling mobile computing device that identifies other mobile computing devices in the area. The BFTM allocation message generated by the scheduling mobile computing device indicates a time of delivery (TOD), a scheduling order for the identified mobile computing devices, and a contention-free period for the mobile computing devices to transmit the timing measurement messages.
Contention-based resource allocation method and apparatus for low power D2D communication
A contention-based resource allocation method and apparatus is provided for use in a low power Device-to-Device (D2D) communication. The resource allocation method of a Device-to-Device (D2D) terminal of the present disclosure includes selecting an available resource in a frame, monitoring to detect a signal is received while a backoff timer is running, and performing, when no signal is received on the available resource before expiry of the backoff timer, a D2D communication using the available resource.
Wireless communications system and method implemented in a wireless communications system
There is provided a wireless communications system (1000) including a wireless device (100) and a wireless communications node (300). The wireless communications node (300) transmits in a reference signal sequence to the wireless device (100) a first code sequence (485) and a second code sequence (486). The first code sequence (485) carries information identifying a physical resource block that carries an enhanced physical downlink control channel (ePDCCH) and the second code sequence (486) carries information identifying a control format indicator.
Method and device for transmitting uplink data in support of multi-subframe scheduling
A method for transmitting HARQ for uplink data in support of multi-frame scheduling is provided. The method includes a UE receiving a multi-subframe scheduling uplink grant signaling and PHICH information sent from a base station; for one uplink subframe, the UE processes parameters of uplink transmission according to uplink grant signaling which schedules a SHARQ process of the scheduled uplink subframe and a relative position of a PHICH channel; and the UE sends new uplink data, retransmitting data of the SHARQ to which the uplink subframe belongs, or currently does not send uplink data in the uplink subframe.
Wireless communication apparatus, wireless communication system, wireless communication method and program
A wireless communication apparatus is provided that performs wireless communication using a specified wireless channel and forms part of an ad hoc wireless network. The device includes a recording portion that records country ID information and recording-time information in to a storage medium, where the recording-time information indicates the time at which the country ID information was recorded in to the storage medium, a time determination portion that uses the recording-time information to determine whether a predetermined time period has elapsed from the time at which the country ID information was recorded, and a channel setting portion that, when the predetermined time period has not elapsed from the time at which the country ID information was recorded in the storage medium, sets a wireless channel to a frequency channel that can be used in the country indicated by the country ID information recorded in the storage medium.
Carrier allocation apparatus, method and terminal
A carrier allocating apparatus including processing circuitry and a method and terminal, where the processing circuitry is configured to: determine a carrier parameter according to parameter information of the terminal, where the carrier parameter is configured to indicate a carrier needed by the terminal, and the carrier parameter includes a carrier type, the carrier type includes a Legacy Carrier Type (LCT) and a New Carrier Type (NCT), where the parameter information of the terminal includes a current carrier configuration of the terminal and a service type; perform a corresponding carrier allocation on the basis of the determined carrier parameter. A demand for a carrier is determined according to parameter information of the terminal, and then the needed carrier is allocated to the terminal. The apparatus can improve quality of service of the terminal in a system and improve user experience.
Methods and nodes for controlling uplink transmissions
A network node (100), a wireless device (102) and methods therein, for controlling uplink transmission from the wireless device (102), e.g. in a time division multiplexing scheme. The network node (100) signals (1:2) an Absolute Grant Scope, AGS, bit to the wireless device (102), wherein the AGS bit indicates one of: the wireless device (102) is granted for uplink transmission (204) during a single Transmit Time Interval, TTI, and the wireless device (102) is granted for uplink transmission (206) until a next grant is signalled to the wireless device (102).
Radio base station apparatus, user terminal and radio communication method
In order to prevent any increase in number of blind detections and make efficient use of radio resources even when a format of downlink control information is changed in accordance with a communication environment, the present invention provides a radio communication method for generating control information by using a predetermined DCI format out of a plurality of DCI formats including a first DCI format having an uplink scheduling grant and a second DCI format having downlink scheduling assignment. When the first DCI format is extended in size, the second DCI format is added with an information field so as to have the same size as the extended first DCI format, and information to extend an existing function of the second DCI format and/or information to add a new function is added to the information field thereby to generate the control information.
Interaction between EPCFICH and EPDCCH in LTE
A method, an apparatus, and a computer program product for wireless communication are provided. In one configuration, the apparatus may be a UE. The apparatus may receive a message (e.g., via an ePCFICH) from an eNB and may process an ePDCCH using the message. The apparatus may receive a message via an ePCFICH indicating resources for ePDCCH, the ePDCCH being a localized ePDCCH and/or a distributed ePDCCH and process the ePDCCH using the message. The apparatus may receive an ePCFICH from an eNB, where the ePCFICH is a function of at least a PCI or a virtual cell identifier. The apparatus may process an ePDCCH using a default set of resources when an ePCFICH is not detected. The apparatus may receive an ePCFICH value and may determine either a starting symbol index for an ePDCCH or one or more ePDCCH resource sets based at least on the ePCFICH value.
Dynamic allocation of communication resources in a wireless system
A method of receiving information by a wireless communication device is provided. The method includes receiving a plurality of wireless subframes at a periodic interval, wherein an interval duration of the periodic interval is greater than a duration of each of the plurality of wireless subframes. The method further includes determining for each wireless subframe of the plurality whether the wireless subframe includes a grant resource that indicates that a resource unit pattern of a plurality of selectively assignable resource unit patterns of resource units of the subframe includes information for the communication device. A method of transmitting information by the wireless communication device is also provided.
Method and apparatus for transmitting uplink signal in wireless communication system
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting an uplink signal. A method for transmitting an uplink signal at a UE in a wireless communication system includes, when a virtual cell ID for a reference signal for demodulation of a physical uplink channel is provided, generating a sequence of the reference signal on the basis of the virtual cell ID, and transmitting the generated reference signal to an eNB. A group hopping pattern of the reference signal can be determined on the basis of the virtual cell ID.
Method, device and system for transmitting control information
Disclosed are a method, a device and a system for transmitting control information, which relate to the field of communication technologies. In order to feed back response information in an application scenario of dynamic TDD subframe, the present invention provides the following technical solution: determining a subframe set corresponding to uplink subframe n, the subframe set comprising dynamic subframes; determining feedback response information according to the subframe set; and sending, in uplink subframe n, the feedback response information to a base station through a physical uplink channel, wherein n is a subframe serial number of the uplink subframe.
Method and apparatus for transmitting control information in a wireless communication system
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method in which a terminal transmits control information in a wireless communication system, and to an apparatus for the method, wherein the method comprises the following steps: spreading a control information block corresponding to one single carrier frequency division multiplexing (SC-FDMA) symbol, such that the spread control information blocks correspond to a plurality of first SC-FDMA symbols; performing a discrete Fourier transform (DFT) precoding process on the spread control information blocks on an SC-FDMA symbol basis; transmitting, in the plurality of first SC-FDMA symbols in a subframe, the DFT precoded control information blocks; and transmitting, in a plurality of second SC-FDMA symbols in the subframe, a reference signal sequence, wherein an orthogonal code is applied to the plurality of second SC-FDMA symbols in a time domain.
Method for switching monitoring frequency channel number by access terminal, and access terminal
A method for obtaining a monitoring frequency channel number, and an access terminal, where the method includes, when an Evolution-Data Optimized session of an access terminal is in a closed state or in an initialization process, and when a first expected frequency channel number obtained according to a first session seed and a first sector parameters message is different from a current frequency channel number of a signal currently received by a access terminal, generating, a second session seed, receiving, a second sector parameters message, obtaining, by the access terminal, a second expected frequency channel number according to the second sector parameters message, the second session seed, and a non-coherence parameter, and setting, the second expected frequency channel number as the monitoring frequency channel number when the second expected frequency channel number is the same as the current frequency channel number.
Determining a location of a wireless transmitter
A method for determining a location of a wireless transmitter includes: receiving, at data processing hardware, receiver signals from corresponding receivers located within an observation area; estimating, by the data processing hardware, the location of the rogue transmitter; and reporting the estimated location of the rogue transmitter to a remote system in communication with the data processing hardware. Estimating the location of a rogue transmitter includes, for each receiver, determining a transmitter location contour about the receiver based on the corresponding at least one receiver signal and one or more propagation path loss functions and identifying an intersection of the transmitter location contours of the receivers as the estimated location of the rogue transmitter. Each propagation path loss function is based on terrain information corresponding to the observation area. The transmitter location contour defines a collection of candidate locations of the rogue transmitter relative to the receiver.
Movement information processing method and system, user equipment, and access network device
Embodiments of the present invention provide a movement information processing method and system, a user equipment, and an access network device. In one embodiment, a UE measures a characteristic parameter of a cell to be measured, and then obtains movement information of the UE according to a change of the characteristic parameter within a predetermined time. In this way, the UE can send the movement information to an access network device and the access network device executes a movement-related operation according to the movement information.
Method and apparatus for performing a passive indoor localization of a mobile endpoint device
A method, computer readable storage device and an apparatus for locating a mobile endpoint device in an indoor environment are disclosed. For example, the method generates a location map having a predicted signal strength for each respective location on the location map, receives a signal strength associated with the mobile endpoint device within the indoor environment, compares the signal strength to the location map having the predicted signal strength for each respective location on the location map and locates the mobile endpoint device as being at a particular location within the indoor environment.
Methods and apparatus for synchronizing beacon transmissions in a neighbor awareness network (NAN)
The present disclosure describes methods and apparatus for synchronizing beacon transmissions. Synchronization beacons may be transmitted from multiple nodes during a same time slot of a discovery window with accommodation for managing potential signal interference. For certain example embodiments, a first wireless communication device includes a transceiver and a synchronization beacon transmission system. A transceiver may be configured to transmit a synchronization beacon in a neighbor awareness networking (NAN) environment, wherein the NAN environment includes multiple wireless communication devices arranged in a cluster. A synchronization beacon transmission system may be configured to determine a transmission time based at least partially on an operation that separates the wireless communication devices of the cluster into multiple groups. A synchronization beacon transmission system may further be configured to cause the transceiver to transmit the synchronization beacon responsive to the determined transmission time.
Synchronization of audio channel timing
Synchronization of plural outputs of data transported by a wireless network is facilitated by bandlimiting a sample clock signal controlling a rate at which data is processed by the network's devices and/or bandlimiting wall time data controlling the real time for presenting a datum.
Traffic data integration method and traffic data integration apparatus
A traffic data integration method includes: obtaining, by using a computer, pieces of frame data having a same data pattern between first and second traffic data collected respectively by first and second capture devices that capture, as traffic data, frame data communicated by a node in a network; performing, by using the computer, a time correction process by which a time of each piece of frame data in the first and second traffic data is corrected so that capturing times of pieces of obtained frame data are identical; using, by using the computer, frame data for which a same data pattern does not appear repeatedly in a same capture device, as frame data for performing the time correction process; and restricting, by using the computer, a time difference of frame data used when the time correction process is performed.
Random telegraph signal identification and measurement
In accordance with embodiments of the present disclosure, a method for identifying a location of an integrated circuit that is sensitive to RTS noise may include applying localized heat to a scan area of the integrated circuit, observing any change in one or more electrical parameters of the integrated circuit in response to the localized heat being applied to the scan area indicative of sensitivity to RTS noise, and identifying the location sensitive to RTS noise responsive to observing change in one or more electrical parameters of the integrated circuit indicative of sensitivity to RTS noise in response to the localized heat being applied to the scan area.
Wireless device and power control method
The present disclosure provides a power control method and a wireless device, in a cluster comprised of wireless devices including a first wireless device and a second wireless device, comprising: receiving power control information including a second data channel transmission power, from the second wireless device; determining a first data channel transmission power based on the second data channel transmission power; and controlling data channel transmission power of the first wireless device according to the first data channel transmission power; wherein, the first data channel transmission power is a power allowing the first wireless device to reach all wireless devices in the cluster, and the second data channel transmission power is a power allowing the second wireless device to reach all wireless devices in the cluster.
Imbalanced area pilot frequency transmission power enhancement method and base station
An imbalanced area pilot frequency transmission power enhancement method and a base station are provided. In accordance with the transmission power and increment of a main public pilot frequency channel prior to power enhancement, post-power enhancement main public pilot frequency channel transmission power is obtained. The transmission power of a downlink traffic channel is the same as transmission power prior to power enhancement. In accordance with the transmission power of the main public pilot frequency channel prior to power enhancement, the downlink traffic channel transmission power is also obtained. The post-power enhancement main public pilot frequency channel transmission power and the downlink traffic channel transmission power are used to transmit data in the main public pilot frequency channel and the downlink traffic channel, respectively.
Radio communication system, radio base station apparatus, user terminal and radio communication method
The present invention is designed to provide a radio communication system which can control uplink transmission power adequately even in an HetNet environment. A radio communication system having a first radio base station apparatus and a second radio base station apparatus that is configured to able to communicate with the first radio base station apparatus is provided; and, in this radio communication system, the first radio base station apparatus has a first communication quality measurement section that measures the received quality of an uplink reference signal transmitted from a user terminal, and generates first received quality information, and a reporting section that reports the first communication quality information to the second radio base station apparatus, and the second radio base station apparatus has a second communication quality measurement section that measures the received quality of the uplink reference signal transmitted from the user terminal, and generates second communication quality information, a correction value determining section that determines a correction value for the transmission power of the user terminal on the uplink based on the first communication quality information and the second communication quality information, and a reporting section that reports the determined correction value to the user terminal.
Radio communication system, radio base station, and blockade control method
A radio base station (1), which is to be pre-blockaded, transmits a pre-blockade initiate notification to radio base stations (2A-2F) neighboring the radio base station (1). Further, the radio base station (1) reduces the transmission power thereof at a predetermined reduction rate at a initiation time of the pre-blockade. Meanwhile, each of the radio base stations (2A-2F) receives the pre-blockade initiate notification and increases the transmission power at a predetermined increase rate at the initiation time of the pre-blockade, the absolute value of predetermined increase rate being equal to that of the predetermined reduction rate at the radio base station (1).
Method and radio network node for ranking cells in a cellular network
A method in a radio network node for ranking cells within a group of cells in a cellular network is provided. The radio network node is serving a first cell, in the group of cells. The radio network node receives (201) power level measurements from one or more user equipments. The power level measurements respectively indicate a power level in at least one cell of the group of cells where the respective one or more user equipments is active. The radio network node then ranks (202) importance of the cells in the group of cells, both based on the power level measurements, and on the number, for each cell out of the group of cells, of user equipments whose power level measurements indicate that the respective cell has the highest power level.
Communication control apparatus, authentication device, central control apparatus and communication system
The present application provides a communication control apparatus, an authentication device, a central control apparatus and a communication system. The communication control apparatus controls the authentication device provided at a mobile terminal and used for authenticating identity of a mobile user, so that the mobile terminal selects different operator networks for communications, and the communication control apparatus includes: a first acquiring unit configured to acquire identification information of the authentication device; a first authenticating unit configured to transmit the identification information to a server, so that the server authenticates identity of the authentication device; a second acquiring unit configured to acquire a session key and attribute setting information encrypted by the session key from the server; and a first transmitting unit configured to transmit to the authentication device the session key and the attribute setting information encrypted by the session key, so that the authentication device obtains the attribute setting information by decrypting, and sets operator attributes of the authentication device according to the attribute setting information. The present application may help a user overwrite the authentication device on its own, so as to select and use network services of the operator.
Wireless communication device, non-transitory computer-readable recording medium, master device, and slave device
An objective of the present disclosure is to provide a wireless communication device that is capable of efficiently searching another wireless communication device that is capable of providing a required service. A master device, when the master device receives an advertisement from a slave device, transmits, to the slave device, a scan request that includes information on a requested service that the master device requires. The slave device, which has received the scan request, decides whether or not the slave device itself is capable of providing the requested services, and transmits, to the master device, a scan response that includes a result of the decision. When the decision result included in the scan response indicates that the slave device is capable of providing the requested service, the master device establishes a connection to the slave device.
Rejection notification to the UICC
Registration rejections are reported to a universal integrated circuit card (UICC). Remote access can be provide to registration rejection data stored in the UICC, the registration rejection data can be transmitted to a service provider, one or more UICC applications can be executed based on the registration rejection data, and/or the registration rejection data can be logged or tracked. In addition, action taken by the UICC can be automated based on the registration rejection using artificial intelligence.
Systems and methods for managing a UE-to-network relay
Method and systems for managing a communication link. One or more indicators of an expected service interruption associated with a communication link is determined. The communication link may be a link between a relay and a communication target and/or a link between the relay and a user equipment (UE). In response, the UE initiates one or more actions to reduce or avoid the expected service interruption.
Method and apparatus for transmitting/receiving discovery signal in wireless communication system
According to an embodiment of the present invention, a method for transmitting a discovery signal related to device to device (D2D) communication by a first UE in a wireless communication system comprises: mapping a codeword related to a discovery signal to two or more pairs of physical resource blocks (PRBs) on a time axis; and transmitting the mapped codeword, wherein a first pair of PRBs of the two or more pairs of PRBs includes a resource area for a first signal and whether an n-th (n>=2) pair of PRBs of the two or more pairs of PRBs includes the resource area for the first signal is determined according to whether a next subframe of a subframe including an (n−1)-th pair of PRBs is for an uplink transmission.
Systematic neighbor detection in shared media computer networks
In one embodiment, a particular node in a shared media computer network may determine a set of network parameters for the network, and a timing of super-frames in the network, each super-frame having one or more frames, each frame divided into a plurality of timeslots. In addition, the particular node computes a discovery scheduling function using its own identification to determine in which particular timeslot of the frames to transmit a network discovery packet. Accordingly, the particular node may transmit the network discovery packet in the particular timeslot of the frames. In an additional or alternative embodiment, the particular node may receive a network discovery request from a requesting node. In response, the particular node determines whether it is free to reply to the network discovery request based on parameters in the network discovery request, and if free to reply, may transmit a network discovery packet to the requesting node.
Wireless communication system utilizing broadcast-based blind offloading
In an Long Term Evolution (LTE) environment, LTE base stations may collect relevant data from subscribing wireless devices, as well as from nearby LTE base stations and WLAN access points. Based on the collected data, as well as data of the base station itself, the base station may make a determination as to whether to institute offloading of some or all of the subscribing UEs. Rather than independently communicating the offload command to each of the UEs, the base station may issue a broadcast notification that may be decoded by all of the UEs for performing offloading. In order to mitigate a surge of offloading, the base station can include surge prevention parameters in the broadcast message to distribute or reduce offloading.
Method and apparatus for in sequence delivery of downlink local IP access (LIPA) packets
A method includes responsive to receiving a first packet of a plurality of packets at a first radio access node enabling said first radio access node to receive at least one other of said plurality of packets. The method further includes causing said first packet to be sent by said first radio access node to a user equipment before said at least one other of said plurality of packets is caused to be sent to said user equipment.
Multiple network access system and method
Methods and devices for operating a wireless communication device that can communicate with at least two different wireless networks using a single radio frequency modem are described. The communication device attaches to a first wireless network through the radio frequency (RF) modem, and then detaches from the first wireless network at a predetermined time before a start time of a selected event on a second wireless network. The device attaches to the second wireless network using the same RF modem before the start time of the selected event and collects at least a portion of event data associated with the selected event. After collecting at least a portion of event data, the device detaches from the second wireless network and re-attaches to the first wireless network.
Apparatus and method for forwarding handover data in wireless communication system
A technique forwards handover data in a wireless communication system. A base station apparatus includes a first buffer for storing downlink data of a terminal, a handover agent for, when the terminal performs a handover, performing scheduling on data which is stored in the first buffer for at least one terminal including the terminal that performs the handover so that an interruption time of the at least one terminal is reduced in order to forward the data to a target base station, and a communication unit for transmitting the data according to a scheduling result of the handover agent.
Event context transfer in a heterogeneous communication system
The present invention provides a method involving at least one mobile node and a heterogeneous network comprising a plurality of access nodes. The method includes transferring event context information associated with a mobile node from a first access node to a second access node.
Network handover method, terminal, controller, gateway, and system
A network handover method, a terminal, a controller, a gateway, and a system. The method includes: when a terminal accesses a first network, converting data including an initial TCP four-tuple into data including a first TCP four-tuple, and sending the data to a gateway; and after handing over from the first network to a second network, converting data including the initial TCP four-tuple into data including a second TCP four-tuple, and sending the data including the second TCP four-tuple to the gateway. This achieves objectives of preventing a connection from being interrupted before and after the network handover, improving use experience, and reducing complexity of a network handover process.
Location based mode switching for dual mode mobile terminals
The present invention provides a dual mode mobile terminal that is capable of supporting both cellular and local wireless communications. The mobile terminal operates to determine when to switch between local wireless communication and cellular modes. To determine when to switch between local wireless and cellular modes, the mobile terminal determines its current location, uses the current location to obtain mode switching information, and switches modes as necessary based on the mode switching information.
Protocol processing method applied when control is decoupled from forwarding, control plane device, and forwarding plane device
The present invention discloses a protocol processing method applied when control is decoupled from forwarding, a control plane device, and a forwarding plane device. The method includes: causing a control plane device to send an indication to a forwarding plane device according to a processing manner of a packet service processing protocol, and to deliver a negotiation parameter of the packet service processing protocol to the forwarding plane device; and causing the control plane device to receive a negotiation result of the packet service processing protocol, and to create a data path between a user equipment and a network device. The negotiation result is uploaded by the forwarding plane device and obtained according to information that includes the negotiation parameter of the packet service processing protocol.
System and method for transmitting a plurality of multi-service streams over an HF band
A method and system is provided for transmitting data in a communication system operating in the HF band comprising a link layer and a physical layer. The system comprises a transmitter and a receiver. The transmitter comprises at least one scheduler. The method comprises a step of segmenting at least two data streams F1,F2 each of the streams having a service constraint, each being segmented into a plurality of data sub-blocks FjBi, a step in which the data sub-blocks are transformed into a frame then a step of coding and interleaving the first frame TF1, and of the second frame TF2, producing sub-frames STF1c, STF2c, then generating a frame to be transmitted by mixing n sub-frames STF1c of the data stream F1 with m sub-frames STF2c of the data stream F2.
Method and arrangement in a wireless communication network
Method and arrangement in a first node for requesting a status report from a second node. The first node and the second node are both comprised within a wireless communication network. The status report comprises positive and/or negative acknowledgement of data sent from the first node, to be received by the second node. The first node comprises a first counter configured to count the number of transmitted Protocol Data Units, PDUs, and a second counter configured to count the number of transmitted data bytes. The method and arrangements comprises initialising the first and the second counter to zero, transmitting data to be received by the second node, comparing the value of the first and the second counters with a first threshold limit value and a second threshold limit value and requesting a status report from the second node if any of the threshold limit values is reached or exceeded.
Small cell mobility enhancement
There is provided a method, an apparatus and a computer program product, wherein the method comprises applying at least one procedure for inter-frequency measurements of at least one carrier, wherein a first procedure is applied when a carrier having at least one cell deployed for providing non-continuous coverage radio access is to be measured and a second procedure is applied when a carrier having at least one cell deployed for providing continuous coverage radio access is to be measured, and performing the inter-frequency measurements according to the applied procedure, when the procedure for the inter-frequency measurements is on.
Reducing rate of measurement cycles in subsequent discontinuous reception (DRX) cycles
A user device performs intra-frequency measurements and inter-frequency measurements at a specified rate when the user device in a first discontinuous reception (DRX) cycle, and determines a signal condition of a signal received from a serving cell. The user device selects one of multiple lower intra-frequency rates for intra-frequency measurements in subsequent DRX cycles based on the signal condition and selects one of multiple lower inter-frequency rates for inter-frequency measurements in the subsequent DRX cycles based on the signal condition. The reduction in the rate may reduce a current drain by the user device when the user device is in the subsequent DRX cycles.
Method and apparatus for reporting channel state information in wireless communication system
One embodiment of the present invention relates to a method for a terminal to report channel state information in a wireless communication system, comprising the steps of: calculating one or more pieces of channel quality information from a signal measurement resource configuration and a plurality of interference measurement resource configurations associated with the signal measurement resource configuration; and transmitting a channel state report including the calculated channel quality information.
Measurement in radio communication systems
A sounding method in a cellular wireless communication system, comprising at least one mobile station and at least two base stations. One base station is a serving base station for the mobile station and the at least one further base station is a neighboring base station. The serving base station generates a schedule for measurement signals and transmits said schedule to the mobile station and to the neighboring base station. The mobile station transmits measurement signals in accordance with the schedule to the serving base station and to the neighboring base station. Furthermore, the neighboring base station calculates a mean channel state for the uplink channel from the mobile station to itself and transmits the mean channel state to at least one further base station, so that said base station can be provided with channel estimations for uplink channels between the mobile station and all base stations.
Detecting cellular connectivity issues in a wireless communication network
Various embodiments manage service issues in a wireless communication network. In one embodiment, a plurality of call detail records associated with a wireless communication network is received. The plurality of call detail records is analyzed. At least one pattern from the plurality of call detail records is identified based on analyzing the plurality of call detail records. The at least one pattern indicates at least one service issue occurred during a set of calls associated with each of the plurality of call detail records. A location associated with the at least one service issue that has occurred is identified based on identifying the at least one pattern.
Optimizer selection in wireless networks
Network service providers often make use of traffic optimizers, in order to balance the objectives of maximizing users' quality of experience (“QoE”) with the costs of transmitting data. Certain content providers may make use of their own optimization algorithms, which may be interfered with by network providers' traffic optimizers. As described herein, a master optimization controller (“MOC”) may be able to enable or disable traffic optimizers within a network by enhancing a Transmission Control Protocol (“TCP”) three-way handshake procedure. The MOC may also perform traffic optimization, thus serving as the only device that performs optimization on traffic. Additionally, while traffic optimizers within a network are typically not visible to third party content providers, the MOC may perform optimization in a manner that may be visible to, and controlled by, a content provider.
Automatically updating an access point
A method for seamlessly and automatically updating an access point or router. The method includes receiving an update for the access point and determining a status of a network traffic associated with the access point. The method further includes determining an update time for applying the update based on the determined status of the network traffic and applying the update to the access point at the determined update time. An access point receives an update for the access point, and waits for a time to apply the update. The access point waits until there is no interactive traffic in which a user is actively using the network. The access point applies the update and reboots. By waiting until there is no interactive traffic, the update process mitigates interruptions to the user's active use of the network.
Network assisted interference cancellation/suppression for multiple services
Certain aspects of the present disclosure relate to methods and apparatus for network assisted interference cancellation (IC) and interference suppression (IS) for multiple services. According to aspects a user equipment (UE) may determine information regarding system parameters for one or more types of communications services used to transmit potentially interfering signals in one or more neighbor cells, wherein a type of the information determined depends on the type of communications service. The UE may perform interference management using the determined information to cancel or suppress interference caused by the potentially interfering signals.
Augmented reality visual Wi-Fi signal
A method includes identifying a location of at least on of a plurality of electronic devices within an area of interest. The method includes, based on at least the location of the at least one of the plurality of electronic devices, determining signal strength at a plurality of points within the area of interest. The method includes providing a modification of the area of interest to improve the signal strength at one of the plurality of points.
Apparatus and method for antenna management
A method and an apparatus for antenna management are disclosed. The method comprises that resource use status data are collected from managed access networks, access networks which participate in antenna scheduling are selected from the managed access networks according to the resource use status data to compose an antenna scheduling set, wherein access networks using same spectrum resources are composed in the same antenna scheduling set; radio links of each access network in the antenna scheduling set are divided into one or more radio link clusters; radio resources are allocated to every radio link cluster in the antenna scheduling set in order that mutual interferences among all the radio link clusters in the antenna scheduling set are within a preset range; and radio resource allocation results are sent to the access network that the radio link clusters belong to.
Acknowledgement communication with interference detection (ACK-ID)
In some examples, a method may include determining whether a data packet is correctly received. In response to the data packet being correctly received, the method may include reading a received signal strength indication (RSSI) value, and based on the RSSI value, determining whether to transmit an acknowledgement (ACK) packet.
Automated vulnerability discovery in mobile device applications
A testing system tests applications executable on a computing platform, when the app under test executes on the computing platform, the app program code refers to a tree data structure for its user interface operations. That tree data structure is accessed without needing to interrupt the app under test or without needing software hooks into the app. The testing system obtains a specification of user interface criteria from an operator, processes the tree data structure with the specification to identify nodes of the tree data structure that match the user interface criteria, and outputs a representation of the matching nodes. The matching nodes are user interface entry points capable of being used to test the app for vulnerabilities. The specification can include edge criteria, wherein an edge criterion corresponds to a characteristic of an edge in the tree data structure between at least two nodes of the tree data structure.
Rogue AP detection
Methods, systems and computer readable media for rogue access point detection are disclosed. In some implementations, the method can include initiating, at one or more processors of a wireless controller, a rogue access point detection process for a wireless network, and transmitting, from the one or more processors, a signature frame to a mobility agent in a wireless switch. The method can also include receiving, at an authorized access point, the signature frame transmitted via a wireless signal from a rogue access point. The method can further include reporting reception of the signature frame to the wireless controller, and generating, at the one or more processors, a signal to shut down a port associated with the rogue access point.
Method and apparatus for accessing network
A method for providing access information for accessing a network device from a first terminal to a second terminal includes obtaining, by a first terminal, access information instructing a second terminal to access the network, the access information including a service set identifier SSID and an access password, selecting a plurality of destination addresses including the access information from a designated multicast address segment, and multicasting a plurality of user datagram protocol (UDP) multicast messages including the plurality of destination addresses to the second terminal.
System for authorizing access based on authentication via separate channel
Embodiments of the invention are directed to a system, method, or computer program product for authorizing access based on authentication via a separate channel. In this way, the invention generates and utilizes tokenized identification of user authentication into third party systems to confirm the user identification and subsequently allow authentication into an application based on receipt of the token. As such, the system creates a three way communication linkage for resource transfer which leverages the user's authentication via the merchant system. The system positions a generated token with a merchant. Once a user is identified as authenticated into a merchant system, geo-location, or other application authentication, the token is coded to distribute back to the system. The system may then allow user or merchant access to resource holdings associated with the user for distribution to the merchant without additional user authentication.
Mobile electronic device
A mobile electronic device according to an embodiment has an identifier, a determiner, and a permitter. The identifier identifies the operating system of a mobile terminal to which its own device is connected and determines whether the identified operating system is a prescribed operating system. If the identifier determines that the identified operating system is the prescribed operating system, the determiner performs processing to determine whether or not authentication data held in its own device and authentication data held in an authentication data holding device that can communicate via a network match. If the determiner determines that there is a match, the permitter permits data processing using processing data held in a processing data holding device that can communicate via the network.
Managing data representation for user equipments in a communication session
In an embodiment, an application server receives, from a given UE, data that is configured to visually represent physical user input detected at the given UE at a first level of precision. The application server determines data presentation capabilities of a target UE and/or a performance level associated with a connection between the application server and the target UE. The application server selectively transitions the received data from the first level of precision to a second level of precision based on the determination, and transmits the selectively transitioned data to the target UE for presentation. In another embodiment, the application server receives a request to adjust display settings of the target UE from the given UE responsive to detected physical user input. The application server selectively adjusts the target UE's display settings based on the received request.
Millimeter wave communication system
The disclosure includes a system and method for a first communication device to provide a millimeter wave communication service to a second communication device. The method may be performed by the first communication device. The method includes broadcasting a service discovery message describing the availability of the first communication device to provide the millimeter wave communication service. The method includes receiving a first handshake message that describes a request of the second communication device to receive the millimeter wave communication service from the first communication device and transmitting a second handshake message acknowledging receipt of the first handshake message. The method includes determining a future location of the second communication device at a future time. The method includes aligning a beam of a first millimeter wave communication unit of the first communication device with the future location and providing the millimeter wave communication service to the second communication device.
Telescopic tunneled direct link setup discovery method
Methods, systems, and apparatuses for wireless communication are described at a device. A device may utilize telescopic discovery techniques to efficiently preserve a wireless connection until a previously connected device returns within range of the connection. In one example, the device may transmit a discovery request intended for the other device according to a first interval after determining the wireless connection. If a response is not received, the device may adjust the transmission interval to be a second interval. The device may then compare the second interval with a maximum interval to determine whether the second interval is greater than the maximum interval. If the second interval is less than the maximum the device may transmit a discovery request according to the second interval. Otherwise, the device may transmit discovery requests according to the maximum interval until a discovery response is received from the other device.
Selective enabling of data services to roaming wireless terminals
A system includes a network interface and one or more processors. The processors are configured to track a first pattern with which a user terminal consumes one or more data services while served by a home network specified for the user terminal, to track a second pattern with which the user terminal consumes the one or more data services while served by one or more networks other than the home network, to estimate a reduction in usage of the one or more data services between the first and second patterns, and to selectively enable at least one data service to the user terminal by the networks other than the home network, based on the estimated reduction in usage.
Method and apparatus for a device identifier based solution for user identification
An approach is provided for a device identifier based solution for user identification. A device identifier component receives from a user device a request for access to a service platform. The device identifier component determines one or more identifiers associated with the user device and generates a record of the access with respect to the one or more identifiers.
Cloud-based device twinning
A network-based service is utilized to facilitate twinning of two or more communication devices associated with a subscriber account. Incoming communication is intercepted by a communication device and forwarded to a network server, which in turn transmits the incoming communication to the multiple twinned devices. In addition, identifier data associated with outgoing communication is replaced with a primary identifier (e.g., customer telephone number (CTN)) of a user's primary device or a common identifier (e.g., a mobile one number (MON)) assigned to devices associated with the user's subscriber account. Communication devices can be temporarily twinned for a defined time period, during which a common bill can be generated for the twinned devices.
Systems and methods for context based and socially aware call routing
When a telephone call is made to a user with a cellular telephone that has weak or no wireless signal receptions, the telephone call may be re-routed to another telephone located near the user, such that the telephone call may reach the user via another telephone. A system or method is provided to determine an alternate telephone, to which the telephone call is re-routed when the primary receiving telephone is a cellular phone that has weak or no wireless signal reception. The alternate telephone may be determined in a context and/or social aware basis. The alternate telephone may belong to a friend or family member of the user of the primary receiving telephone. Further, the alternate telephone may be located near the user of the primary receiving telephone, such that the user of the primary receiving telephone may be reached when the telephone call is re-routed to the alternate telephone.
Cluster-based resource allocation for vehicle-to-vehicle communication
A vehicle-to-vehicle (V2V) communication device manages a cluster including the V2V communication device and at least one of other V2V communication device. The V2V communication device determines a cluster description specifying one or more characteristics of the cluster indicates the cluster description over a cellular network to a network node. The network node receives the cluster description and, on the basis of the received cluster description, assigns to the cluster a set of resources for V2V communication. The network node sends a resource assignment over the cellular network to the V2V communication device. The resource assignment indicates the assigned set of resources. The V2V communication device receives the resource assignment and assigns resources from the set of resources to the V2V communication devices of the cluster. Further, the V2V communication device indicates the assigned resources to the at least one further V2V communication device of the cluster.
Method of transmitting multicast signal and unicast signal simultaneously and related communication device
A method of transmitting a multicast signal and a unicast signal simultaneously for a network of a wireless communication system comprises transmitting the multicast signal to at least one first communication device in the wireless communication system during a time interval via at least one first antenna of the network; transmitting the unicast signal to a communication device in the wireless communication system during the time interval via at least one second antenna of the network; and reducing interference caused by at least one of the multicast signal and the unicast signal, when transmitting the multicast signal and the unicast signal.
Freight vehicle monitoring using telecommunications data
A method for freight vehicle monitoring includes obtaining historical telecommunications data, performing vehicle location identification using the historical telecommunications data, wherein performing the vehicle location identification comprises using a machine learning based algorithm to determine one or more meaningful vehicle locations, identifying, based on the one or more meaningful vehicle locations, if one or more telecommunications devices are those of a freight vehicle occupant, and tracking a location of the one or more telecommunications devices identified as those of a freight vehicle occupant.
Public service awareness of crowd movement and concentration
A method for predicting crowd formation based on movement of a plurality of mobile devices is provided. The method may include collecting a plurality of location data snapshots based on the plurality of mobile devices and a plurality of cell towers. The method may include determining a plurality of device positions based on the collected plurality of location data snapshots. The method may include determining a device movement direction based on the determined plurality of device positions. The method may include determining a device velocity based on the determined plurality of device positions. The method may include identifying a mobile device subset, whereby the mobile device subset converges on a convergence area. The method may include determining if the mobile device subset converging on the convergence area exceeds a threshold value. The method may include triggering a convergence response.
Providing location information of a terminal in a communication network
The present application relates to a method for providing location information of a terminal (30) and in a communication network (10). According to the method, a location information indicating a location of the terminal (30) in the communication network (10) is determined by the terminal (30). Furthermore, a time information indicating a time at which the terminal (30) is located at the location indicated by the location information is determined by the terminal (30). The location information and time information is transmitted by the terminal (30) to a base station (20) or to another terminal (30) of the communication network (10).
Tracking device, battery charger, and tracking method thereof
A tracking device, a battery charger, and a tracking method thereof are provided. The method, adopted by a tracking device, includes: upon being attached to a battery charger, scanning, by the tracking device, for a first radio environment; and transmitting, by the tracking device, a request for setting the scanned first radio environment as a home zone to a monitoring device.
Apparatus, system and method of neighbor awareness networking (NAN) geo-fencing
Some demonstrative embodiments include apparatuses, systems and/or methods of Neighbor Awareness Networking (NAN) Geo-Fencing. For example, an apparatus may include circuitry configured to cause a Neighbor Awareness Networking (NAN) device to process a plurality of geo-fencing parameters of a geofence from an application on the NAN device; and perform geo-fencing with another NAN device based on the geo-fencing parameters.
Method and apparatus for providing files to electronic devices
Method and apparatus for transferring a file from a sending wireless device to a receiving wireless device in a short-range wireless system. A file to be sent to the receiving wireless device is selected on the sending wireless device. The sending wireless device has a device list of receiving wireless devices. If the receiving wireless device is absent on the device list, the sending wireless device searches and identifies new devices. A device among the identified new devices is selected as the receiving wireless device. A connection is established between the sending wireless device and the receiving wireless device; and the file is sent to the receiving wireless device.
Information handling system proximity sensing
A portable information handling system multi-purposes a near field communication (NFC) antenna to detect object proximity of objects by interfacing a capacitive proximity processor with the NFC antenna and isolating the capacitive effects at the NFC antenna with a capacitive matching circuit disposed between the NFC antenna and an NFC transceiver. Comparison of the objects detected proximate the NFC antenna and proximate a conductive antenna provides a distinction of different types of objects, such as human forms versus a desktop.
Close proximity transport configuration
A close proximity wireless connection is initiated between a first device and a second device, and a channel configuration module sends first data over the wireless connection to advertise one or more supported channel configurations of the first device to the second device, and receives second data over the wireless connection. The second data is to advertise one or more supported channel configurations of the second device to the first device. A particular one of a plurality of modes of the first device is determined to be used in communications with the second device over the close proximity wireless connection based on the first and second data.
Making available a sound signal for higher order ambisonics signals
Audio signals are recorded with microphones receiving acoustic information from one or more directions. The corresponding audio signals can be pre-listened to in production studios. However, Higher Order Ambisonics (HOA) audio signals are matrixed in such a way that the matrixing prevents listening to the matrixed sound signals without dematrixing the matrixed sound signals. For enabling a sound engineer to listen to such a matrixed signal without full HOA decoding, an informative audio signal is added together with related side information data at encoding side to a selected part of the matrixed signal. This informative audio signal is removed before the inverse matrixing process at decoding side.
Systems and methods for determining metric for sound system evaluation
Provided are a system and method for evaluating sound system performance, comprising: representing an audience space is represented on a surface of a sphere. The sphere has a center that is substantially collocated with a center of a sound system. An efficiency of the sound system is calculated by determining an amount of energy produced by the sound system that reaches the audience space projected onto the sphere relative to a total amount of energy produced by the sound system. A metric is generated for a function by normalizing the efficiency by a ratio of an area of the audience space relative to a total area of the sphere to produce a score for the performance of the sound system.
Media content based on playback zone awareness
Systems and methods are provided for providing media content based on playback zone awareness. In one aspect a server associated with a service provider may be configured to receive zone data identifying a name of a zone associated with a playback device, identify, based on the zone data, media content based on the zone data, and provide the media content to the playback device. In another aspect, a playback device may be configured to associate the playback device with a zone, and provide to a service provider zone data identifying a name of the zone associated with the playback device. In yet another aspect, a controller device may be configured to receive an input identifying a playback zone, and sending to a service provider, a message including zone data identifying the playback zone.
Binaural hearing aid system with feedback suppression
A binaural hearing aid system includes: a first hearing aid having a first microphone, a first processing unit, a first receiver, and a first communication unit; and a second hearing aid having a second microphone, a second processing unit, a second receiver, and a second communication unit; wherein the first communication unit of the first hearing aid is configured to transmit a filtered signal for reception by the second communication unit of the second hearing aid in response to a signal associated with a phone.
A speaker assembly includes a shellpot for receiving a speaker motor, the shellpot including an upstanding rim on an upper portion of the shellpot, and speaker basket including a base portion having an opening therein for receiving the shellpot. An insert member is disposed adjacent the speaker basket and the rim, wherein a plurality of sections of the rim are displaced to abut the insert member and couple the shellpot to the speaker basket. A method of assembling the speaker assembly is also provided.
Electronic device and method of preventing erroneous recognizing inserting connector into earphone jack
An electronic device includes a circuit electrically connected to first and second contacts and a processor electrically connected to the circuit, wherein the circuit compares a first signal occurring by an electrical contact of the first contact and the external material with a first threshold value to generate a first comparison signal, compares a second signal occurring by an electrical contact of the second contact and the external material with a second threshold value to generate a second comparison signal, and generates a third signal based on a portion of the first and second comparison signals and provides the third signal to the processor, wherein the external material includes one of moisture and a foreign substance or the external connector, and the processor prevents recognizing a contact of the moisture or the foreign substance as a contact of the external connector based on a portion of the third signal.
Communication apparatus and sound playing method thereof
A communication apparatus and a sound playing method thereof are provided. The method is adapted for a communication apparatus having a first speaker used as an earpiece and a second speaker, in which the first speaker and the second speaker are disposed at opposite sides of the communication apparatus. In the method, an event with a sound notification is detected. A left channel sound and a right channel sound of the sound notification are mixed to generate a mixed sound in response to detecting the event. The mixed sound is played by the first speaker with a fade-in effect.
Audio data processing method and electronic device supporting the same
An electronic device for processing audio data includes: a plurality of microphones configured to receive audio data which has at least one sound section where sounds of a specified frequency band exist within a specified time interval; and an audio data processing module configured to divide the received audio data by each direction of the sound source and collect at least one sound section from the divided audio data of each direction.
Multiple microphone switching and configuration
A mobile communications device contains at least two microphones. One microphone is designated by a selector to provide a voice dominant signal and another microphone is designated to provide a noise or echo dominant signal, for a call or a recording. The selector communicates the designations to a switch that routes the selected microphone signals to the inputs of a processor for voice signal enhancement. The selected voice dominant signal is then enhanced by suppressing ambient noise or canceling echo therein, based on the selected noise or echo dominant signal. The designation of microphones may change at any instant during the call or recording depending on various factors, e.g. based on the quality of the microphone signals. Other embodiments are also described.
A modular loudspeaker includes a plurality of chambers and a plurality of vibration plates. Each vibration plate is fixed to two chambers, to cause the chambers to be secured to each other in a certain orientation by the vibration plates. A vibrator is attached to each vibration plate. A processor and a wireless communication unit are received in each chamber. The vibrator attached to each vibration plate is electrically connected to the processor, and the processor is configured to control the vibrator to vibrate when the loudspeaker receives a wireless audio signal via the wireless communication unit, thereby causing the vibration plate to vibrate and output sound.
Portable sound equipment
A portable sound equipment including a flexible band with variable curvature, a pair of housings coupled to both ends of the band, respectively, an earbud holder provided in each of the housings, an earbud detachably held in the earbud holder and outputting sounds, a controller provided in the housing and connected to the earbud to control the sound output unit, a sound signal wire configured to connect the earbud and the controller with each other and a wingtip detachably coupled to an end of the housing and having an elastic material, where the wingtip includes a rubber ring to expose the earbud holders and the earbuds and the sound cables penetrate an opening of the rubber ring.
Headphones with cable management
Headphones that have one or two earphones. A headband carries the earphones such that they are held against the head of a wearer. A coupling member is located between the earphone and the headband, the coupling member pivotably mounted to the headband at a joint having a first axis around which the coupling member pivots, such that the earphone can be moved from a deployed position in which the earphone is positioned to be worn by the wearer to a stowed position in which the earphone is located closer to the headband than it is in the deployed position. A conductive cable runs from the earphone to the headband through the coupling member. The cable is held in place at a first anchor location in the headband, proximate the coupling member. There is slack in the cable between the first anchor location and the coupling member at least when the earphone is in the deployed position. The coupling member comprises a rigid loop overlying the cable and located adjacent to the slack in the cable, the loop extending away from the first axis. When the earphone is moved from the stowed position to the deployed position the rigid loop pushes the slack in the cable into the headband.
Biologically fit wearable electronics apparatus and methods
Detachable wearable electronic eyeglasses and head mounted gear with a plurality of electronic functions and interchangeable electronic function, and a wearable computer with optimal weight distribution and stretchable arms.
A communication system includes a transparent refractive optical wedge, a steerable mirror, a position feedback device, and a transceiver. The transparent refractive optical wedge has first and second faces angled with respect to each other and receives first and second optical signals through both the first and second faces. The first and second optical signals travel along parallel or common paths through the first face and diverge at a deflection angle with respect to each other through the second face. The steerable mirror is in optical communication with the first face of the optical wedge, the position feedback device, and the transceiver. The position feedback device adjusts a position of the steerable mirror to maintain the alignment of the reflected signal with the position feedback device. The transceiver has an optical transmitter transmitting one of the optical signals and an optical receiver receiving the other optical signal.
Procedures, apparatuses, systems, and computer programs for providing optical network channel protection
A procedure for transferring wavelengths, and a system that operates in accordance with the procedure. The system comprises at least one network terminal, each including a switch and a controller. A plurality of wavelength sets are applied to the switch. The controller is arranged to operate the switch such that the switch (a) selects at least one wavelength from at least one of the plurality of wavelength sets, based on electrical monitoring at a port module external to the network terminal, and (b) outputs the at least one wavelength to an output of the at least one network terminal.
Method and apparatus for recognizing user's activity using accelerometer
A device is provided. The device includes an accelerometer configured to measure an acceleration of the device, a controller configured to acquire acceleration data of the device in a first time period and a second time period adjacent to the first time period from the accelerometer, determine a first movement state of a user in the first time period based on the acceleration data corresponding to the first time period, and determine a second movement state of the user in the second time period in consideration of the acceleration data corresponding to the second time period and the determined first movement state, and a display configured to display the first movement state and the second movement state.
Door module and uses thereof
In an embodiment, the present invention is an enclosure for housing electronic equipment, which includes a frame for mounting the electronic equipment, a gateway connected to the frame and in communication with a management application, a door removably mounted to the frame, the door including a plurality of door-mounted electronic devices, at least one of the door-mounted electronic devices requiring an interface that is different from at least one other of the door-mounted electronic devices, a door module attached to the door, the door module providing a plurality of interfaces wherein each of the plurality of door-mounted electronic devices is connected to one of the plurality of interfaces, and a communication link between the door module and the gateway, at least a portion of the communication link consisting of a single communication cable.
Method of and system for automatically adjusting airflow and sensors for use therewith
A method of and system for automatically adjusting airflow and sensors for use therewith are disclosed. A sensor assembly includes a first face on an opposite side of the sensor assembly relative to a second face. The assembly includes an electrical plug on the first face and an electrical outlet on the second face. The electrical outlet is of a same type that is complimentary to the electrical plug on the first face. The assembly includes a sensor for sensing a value of an environmental variable in a space and a sensor communication system for transmitting and receiving information. A sensor system includes a plurality of sensor assemblies disposed in a building. Each sensor assembly includes a sensor for sensing a value of an environmental variable of the space within which the sensor is placed. The system determines gradient values for the sensed environmental variable.
Programmatically determining when credits appear during a video in order to provide supplemental information
Described is a system and method for programmatically determining credits for a video content item. By determining a point at which credits are displayed, a content provider may effectively provide supplementation information in a contextual and non-intrusive manner. In order to determine when credits are displayed, individual frames of content may be decoded and various characteristics of the individual frames may be analyzed.
Sharing television and video programming through social networking
In particular embodiments, a social networking system queries a social graph of the social-networking system for social content associated with video content provided to one or more users of the social-networking system and accesses privacy settings associated with each of the one or more users. The privacy settings indicate whether a particular user has authorized the social-networking system to share social content associated with the particular user with one or more third parties. The social networking system provides the social content associated with video content provided to the one or more users to a particular third party if the privacy settings of the one or more users indicate that the one or more users have authorized the social-networking system to share the social content with one or more third parties.
Mobile terminal and controlling method thereof for saving audio in association with an image
A method of controlling a mobile terminal, and which includes displaying an image on a touchscreen of the mobile terminal; receiving an audio synthesis command for synthesizing audio with the image; saving at least one audio candidate in association with the image, based on the received audio synthesis command; and displaying an indicator on the touchscreen indicating the at least one audio candidate is saved with the image.
Method, device and system and for play synchronization control in video recommendation service
The embodiment of the document discloses a method for play synchronization control in a video recommendation service, comprising a synchronization server receiving play progress information reported in real time by a controlling party terminal and controlled party terminal during a play process of a recommended video; the synchronization server calculating according to play progress information reported by the controlling party terminal to obtain a current play time point for the recommended video of the controlling party terminal, and sending the play progress information containing a current video play time point for the recommended video of the controlling party terminal to the controlled party terminal; the controlled party terminal calculating according to the play progress information to obtain the current play progress of the controlling party terminal, and adjusting the play progress of the recommended video to be consistent with the current play progress of the controlling party.
Interests and demographics profile for advanced broadcast services
A digital broadcast receiver has a storage device and a processing device. The storage device is configured to store a questionnaire received from at least one service provider of a digital broadcast system, and answers to the questionnaire. The questionnaire comprises a data structure common to at least two service providers. The processing device is configured to manipulate the questionnaire and answers. The questionnaire pertains to viewer preferences, demographics, and interests (PDI) information.
User interface interaction system and method for handheld device and TV set
An interaction system and method for interaction between a handheld device and a television comprises the configuration and connection of a first HDMI transferring module and a television screen in addition to a configuration and connection of a second HDMI transferring module, a touch screen, a gesture managing module and a display managing module. A user interface system and method for interaction between a handheld device and a television can utilize a handheld device having a touch screen to operate the television without requiring the assistance of other hardware units, such as a mouse or keyboard. All the operations can be done by using only the handheld device, thereby reducing the costs of devices.
Web server TV dongle for electronic device
This disclosure describes devices, systems and techniques relating to a dongle device that is designed to provide broadcast video capabilities to an electronic device. In one example, a dongle device is configured to communicatively couple to an electronic device, wherein the dongle device comprises a multimedia receiver that receives a broadcast that includes multimedia data, and a web server that communicates the multimedia data to a web browser of the electronic device.
Video display device, terminal device, and method thereof
A terminal device acquires a part of an audio-visual content regenerated by a video display apparatus. The terminal device acquires contents information of the audio-visual content based on the part of the audio-visual content. The terminal device acquires the available enhanced service based on the contents information and regenerates the available enhanced service.
Graphics handling for electronic program guide graphics in an RVU system
A network device includes an electronic program guide (EPG) component configured to receive EPG data associated with an EPG from an external EPG server. The network device further includes a manager component comprising a pre-loader configured to pre-render and send first EPG images, associated with the EPG, that are frequently re-used to multiple client devices; a graphics interceptor configured to generate one or more second EPG images based on a graphics call, wherein the graphics call causes a first one of multiple client devices to display the one or more second EPG images; and a window manager configured to track changes in the one or more second EPG images and send a modified EPG image that includes the changes, or a modified portion of an EPG image that includes the changes, to the first one of the multiple client devices.
A method includes forecasting demand for media content items of a media distribution system based on historical demand information to generate forecasted demand. The method includes generating a mixed integer program model based on storage constraints of a plurality of distribution nodes of the media distribution system, bandwidth constraints of the media distribution system, and the forecasted demand. The method includes performing a Lagrangian relaxation operation using the mixed integer program model. The method includes determining values of a cost function based on a result of the Lagrangian relaxation operation. The method includes assigning each of the media content items to a corresponding distribution node of the plurality of distribution nodes based on the cost function and the forecasted demand.
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention relates to an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. The method of transmitting broadcast signals includes encoding data corresponding to each of data transmission channel which carries at least one service data or service component data, building at least one signal frame including the encoded data, modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and transmitting the broadcast signals carrying the at least one modulated signal frame.
Apparatus for transmitting broadcasting signal, apparatus for receiving broadcasting signal, and method for transmitting/receiving broadcasting signal through apparatus for transmitting/receiving broadcasting signal
A method for transmitting broadcast signals in a transmitter. Internet Protocol (IP) packets are input processed to output data of a plurality of Physical Layer Pipes (PLPs). The IP packets include service data for a service and service information for acquiring the service. The service information includes Electronic Service Guide (ESG) signaling information. When an ESG is delivered in a session that is included in at least one of the IP packets, the ESG signaling information includes identification information for identifying the session and IP address and port information for the ESG. Layer 1 (L1) signaling information is encoded for signaling the plurality of PLPs. A first signal frame and a second signal frame are modulated by an Orthogonal Frequency Division Multiplexing (OFDM) method. A first broadcast signal including the modulated first signal frame and a second broadcast signal including the modulated second signal frame are transmitted.
Management of multilingual graphics for television broadcasting
An apparatus (100) is proposed for inserting graphics into a television/video signal. The graphics generally includes text portions which are language-specific. For broadcasting the signal in at least two reception regions having different languages (DE, UK), differentiated graphics are therefore needed, which are inserted into the television/video signal in order to obtain the (at least) two television transmission signals to be broadcast in the (at least) two reception regions. For this purpose, the apparatus is provided with at least two text memories (118, 119), one for each one of the (at least) two different languages, for storing, for each graphics, text portions corresponding to each one of the (at least) two different languages, and at least two sub-circuits (renderers 150, 152) for inserting the (at least) two graphics signals into the television signal.
Television advertisement reach and frequency management
The subject matter of this specification can be embodied in, among other things, a method that includes receiving at a television processing device an airing schedule for a specified advertisement. The airing schedule includes data specifying past airings of the specified advertisement, a local frequency at which the specified advertisement is to be shown, and a schedule of airings of replaceable advertisements. The device determines, from viewing log data, whether the local frequency for the specified advertisement has been achieved. If the local frequency has not been achieved, the specified advertisement is aired in place of a replaceable advertisement when the television processing device is tuned to a channel of a scheduled airing of the replaceable advertisement at a time of the scheduled airing, and the local frequency of the specified advertisement is incremented. Otherwise, the replaceable advertisement is presented.
Method and system for determining a quality value of a video stream
Hence a method is provided for determining a quality value of a video stream, comprising the steps of: identifying lost data packets of the video stream; identifying at least two intra coded frames of the video stream; determining intra coded frames having a maintained image quality, based on estimating if a lost data packet is associated with an intra coded frame; estimating a distance between each one of the lost data packets and a next respective, subsequent intra coded frame having a maintained image quality; and generating the quality value, based on the distances. A system and a computer readable medium are also described.
Image encoding method and image encoding appartaus
An image encoding method includes: selecting, for each processing block, one of intra prediction modes specified by a coding standard, and performing intra prediction according to the intra prediction mode, wherein the intra prediction modes include a lower-left reference mode in which a processing block located at lower left of a current processing block is referred to, the processing blocks include a first processing block and a second processing block located at upper right of the first processing block, the second processing block being equal in size to the first processing block, the coding standard defines that information on the second processing block is written into a bitstream after information on the first processing block, and in the intra prediction, (i) selection of the lower-left reference mode is prohibited and intra prediction is performed on the second processing block, and, (ii) intra prediction is performed on the first processing block.
Motion vector calculation method
When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
Motion vector calculation method
When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
Decoding method and apparatus with candidate motion vectors
Various embodiments for decoding a current block of a picture are provided. One or more candidates of a first type are derived, with each of the candidates having a first motion vector predictor derived from a first motion vector that has been used to decode a first block. A candidate of a second type is derived, with the candidate having a second motion vector predictor. The candidate of the second type is different from the candidates of the first type. A coded index corresponding to a selected candidate is decoded. The selected candidate is one of a plurality of candidates which includes the candidates of the first type and the candidate of the second type. A total number of the candidates of the first type is less than a predetermined maximum candidate number which is fixed for all blocks in the picture.
Frame encoding selection based on frame similarities and visual quality and interests
A system an method for determining to select frames from a video sequence that have high visual appeal and can be coded at high quality when frame rates of coded video drop to such low levels that perceptual sensations of moving video are lost. A metric is derived from a candidate input frame, and such metric is used to determine whether to increase or decrease a weight accorded to the candidate input frame. In an embodiment, the metric may be the auto-exposure data associated with the candidate input frame.
Method and device for encoding and decoding videos using a best transformation matrix among multiple transformation matrices
The embodiments of the present invention provide a method and a device for encoding and decoding videos, and relate to the communication field, and an efficient transformation matrix corresponding to features of each residual block is selected for transformation, which therefore improves encoding efficiency. The solution provided in an embodiment of the present invention is: generating a prediction residual according to input video data; selecting a set of best transformation matrixes among multiple candidate transformation matrixes according to an intra-frame prediction mode and rate-distortion criteria to perform transform-coding on the prediction residual and obtain a transformation result; and generating an encoded stream according to the transformation result and selected transformation matrix index information.
Method and device for encoding/decoding images
A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.
A direct interaction stereoscopic display system that produces an augmented or virtual reality environment. The system comprises one or more displays and one or more beam combiners to virtually project high-resolution flicker-free stereoscopic 3D imagery into a graphics volume in an open region. Viewpoint tracking is provided enabling motion parallax cues. A user interaction volume co-inhabits the graphics volume and a precise low-latency sensor allows users to directly interact with 3D virtual objects or interfaces without occluding the graphics. An adjustable support frame permits the 3D imagery to be readily positioned in situ with real environments for augmented reality applications. Individual display components may be adjusted to precisely align the 3D imagery with components of real environments for high-precision applications and also to match accommodation-vergence distances to prevent eye strain. The system's modular design and adjustability allows display panel pairs of various sizes and models to be installed.
Adjusting horizontal and vertical shading in 3-D rendering
Rendering a stereoscopic image of a 3-D environment, including: tracing a path of ray from a camera to a light source for every pixel in a view window; determining shading of all pixels in the view window; and adjusting the shading for all pixels to show horizontal displacement but substantially reduce vertical displacement in the stereoscopic image. Keywords include shading and horizontal displacement.
Identifying projection surfaces in augmented reality environments
Techniques for identifying usable projection areas within an environment and projecting content onto these areas are described herein. The systems described herein may include one or more projectors, one or more cameras, and one or more computing devices. In some instances, the described techniques may utilize the one or more cameras to identify a flat projection surface. After identifying this surface, the techniques may use depth detection, edge detection, or other techniques to determine whether the surface includes any objects protruding there from. If so, then the techniques may identify the size and location of these objects and may store an indication that these objects occlude a portion of the flat projection surface and, therefore, that the locations associated with these objects are not usable projection areas. The techniques may then deduct the locations of the objects from the initially identified projection surface to determine the usable projection areas.
Method for generating, transmitting and receiving stereoscopic images and relating devices
A method for generating a stereoscopic video stream (101) having composite images (C) that include information about a right image (R) and a left image (L), as well as at least one depth map includes pixels from the right image (R) and from the left image (L), and then entering the selected pixels into a composite image (C) of the stereoscopic video stream. The method also provides for entering all the pixels of the right image (R) and all the pixels of the left image (L) into the composite image (C) by leaving one of said two images unchanged and breaking up the other one into regions (R1, R2, R3) having a plurality of pixels. The pixels of the depth map(s) are then entered into that region of the composite image which is not occupied by pixels of the right and left images.
Image processing apparatus, image-capturing apparatus and image processing method
An image processing apparatus includes a receiving unit configured to receive at least two parallax images that are obtained from a subject image captured via a single optical system, where the at least two parallax images include an image in a first viewpoint direction and an image in a second viewpoint direction, an average calculating unit configured to calculate, for each pixel, an arithmetic average and a geometric average between the image in the first viewpoint direction and the image in the second viewpoint direction, a ratio calculating unit configured to calculate, for each pixel, a ratio of the arithmetic average to the geometric average, and a disparity calculating unit configured to calculate, on a pixel-by-pixel basis, a disparity between the image in the first viewpoint direction and the image in the second viewpoint direction based on the ratio.
Multi-area white-balance control device, multi-area white-balance control method, multi-area white-balance control program, computer in which multi-area white-balance control program is recorded, multi-area white-balance image-processing device, multi-area white-balance image-processing method, multi-area white-balance image-processing program, computer in which multi-area white-balance image-processing program is recorded, and image-capture apparatus
A multi-area white-balance control device includes a component that divides an inputted image into a plurality of division areas, a component that estimates a lighting-source color temperature for each division area, a component that calculates out color information of an areal image for each division area, and a component that acquires information for white-balance processing on the basis of the lighting-source color temperature and the color information of the areal image for each division in such a manner as to weight, in the information for white-balance processing, a multi-area white-balance factor as more significant in reference to a single-area white-balance factor in a case where the color information has a value higher than a predetermined value, than in a case where the color information fails to have the predetermined value. Thereby, an image with natural color reproduction can be generated.
Image processing device, image processing system, and image processing method
An image processing device of an embodiment includes: an input circuit to input a first to a third image signal respectively corresponding to different first to third colors of an image; a first generator to generate a fourth image signal by adding the first and second image signals; an enhancing circuit to apply edge enhancement processing to the third and fourth image signals; an output circuit to output the third and fourth image signals having undergone the edge enhancement processing in correspondence to a plurality of different areas of the image; a dividing circuit to divide the output third image signal and the output fourth image signal into a plurality of fifth image signals and a plurality of sixth image signals respectively; and a second generator to generate a luminance signal based on the plural fifth and sixth image signals.
Projection apparatus for increasing pixel usage of an adjusted projection area, and projection method and program medium for the same
In a projector, a comparator included in a trapezoid correction unit compares the aspect ratio of a rectangular input unit with that of the device area. A projection area determination unit determines an effective projection area that is an area included in the projection area and that is rectangular on the object on the basis of a result of the comparison. The device area determination unit determines an effective device area so that the relation of the effective projection area with the projection area corresponds to the relation of the effective device area with the device area. A geometric transformation unit projects the input image into the effective device area so that the input image is projected without distortion within the effective projection area of the object.
Projection type image display device, image processing device and image processing method, and computer program
Provided is a projection-type image display device including: a projection unit including a light source configured to emit light having intensity corresponding to a pixel value of an input image and a deflection unit configured to deflect emitted light from the light source using a mirror to perform scanning on a projection object; a retiming unit configured to perform retiming on pixel data of the input image in accordance with a deflection angle in the deflection unit; a shape distortion correction table having a shape distortion correction amount in each shape distortion correction table calculation position; a brightness distortion correction table having a brightness distortion correction amount in each brightness distortion correction table calculation position; and an image correction unit configured to perform distortion correction on the input image by performing signal processing based on the shape distortion correction table and the brightness distortion correction table.
Color display projection method and apparatus
A multi-DMD projection system uses an extended X-cube color splitting/recombining prism to implement splitting and recombining functions at different sections of the cube. Light directed from a white light source is split into red, green and blue components in a lower section of the cube. The components are directed to respective first, second and third DMDs for separate modulations and reentered into the X-cube prism by TIR prism for recombining at an upper section of the cube.
Method and system for changing allocation charts in a satellite broadcasting system
A broadcast system and method of changing allocations therein include a plurality of broadcast system components and a broadcast operation channel management system having a database. The broadcast operation channel management system generates a first allocation chart for the broadcast system with a first effective time and communicates at least a portion of the first allocation chart to the plurality of broadcast system components. The plurality of broadcast system components determines a local time and when the local time is equal to or greater than the effective time, operates with the first allocation chart. The broadcast operation channel management system generates a second allocation chart for the broadcast system with a second effective time. The broadcast operation channel management system communicates at least a portion of the second allocation chart to the plurality of broadcast system components. The plurality of broadcast system components operates with the second allocation chart when the local time is equal to or greater than the second effective time.
Vehicle surroundings monitoring apparatus and vehicle surroundings monitoring method
A vehicle surroundings monitoring apparatus includes a processing device. The processing device outputs a surrounding image as viewed from an eyepoint behind a host vehicle, including a current location of the host vehicle, to a display device mounted on the host vehicle on the basis of an image captured by a camera located a predetermined distance behind the current location of the host vehicle while the host vehicle is travelling forward or the host vehicle is stopped.
Multi-camera image stitching calibration system
A vision system of a vehicle includes a plurality of cameras with exterior overlapping fields of view. The vision system is operable to calibrate at least one of the cameras and includes a plurality of targets disposed at locations near the vehicle and within the fields of views of the cameras. A display device is operable to display images captured by the cameras of the vision system. A plurality of user inputs may be provided and a user may selectively actuate the user inputs to manipulate images captured by the cameras to align portions of a target in overlapping regions of the captured images of adjacent cameras to calibrate the cameras. The vision system may calibrate cameras automatically, such as responsive to the targets moving into the fields of views of the cameras, whereby the vision system may calibrate the cameras as the vehicle is moved along an assembly line.
Devices and methods for identifying and monitoring changes of a suspect area of a patient
A device for acquiring first and subsequent images of a suspect area on a patient and methods for monitoring or detecting changes of the suspect area over time and providing notification when the changes exceed a threshold. The device may be an imaging device, such as a digital camera, possibly augmented with physical or optical devices for arranging the orientation and/or distance of the imaging device with respect to the suspect area. In addition, methods for identifying, relocating, acquiring a first and/or subsequent image of the suspect area, and performing a comparative analysis of respective images are also described. Results of the comparative analysis can be used to notify and/or assist a medical professional in treating or counseling the patient.
Method and apparatus for motion based participant switching in multipoint video conferences
In one embodiment, an apparatus comprises a memory that stores executable instructions and a processor that executes the instructions in order to determine, for plural received compressed video inputs, at least one motion vector included in each of the plural compressed video inputs; calculate, based on the determined motion vectors, a motion value corresponding to each of the plural compressed video inputs, the motion values representing a level of motion over several frames for each of the plural compressed video inputs; and select, based on the calculated motion values, at least one of the plural compressed video inputs to be displayed.
Systems and methods for re-recording content associated with re-emerged popularity
Systems and methods for re-recording content associated with popularity that re-emerged are provided. A plurality of media assets is recorded. Responsive to determining that popularity of a given one of the plurality of media assets fell below a first threshold, the given media asset is selected for deletion and the given media asset is added to a list of a plurality of media assets that have been selected for deletion. Popularity for the given media asset in the list is retrieved after selecting the given media asset for deletion. The retrieved popularity of the given media asset, which previously fell below the first threshold, is compared to a second threshold. In response to determining that the retrieved popularity of the given media asset, which previously fell below the first threshold, is now above the second threshold, an action relating to re-recording the given media asset is performed.
Image outputting device
An image outputting device including a camera configured to obtain a viewer's image; a display configured to reproduce content; and a controller configured to perform a dual-recording function recording both the viewer's image and the content being reproduced, based on at least one of additional information corresponding to the content being reproduced and a result of analyzing the obtained viewer's image.
Technique for image acquisition and management
A technique for image acquisition and management, by utilizing a mobile device equipped with a camera and a mobile software application. The software application enables a) providing guidance to an operator for making, by the camera, a set of one or more images of an object, so as to obtain them at one or more angles suggested by the software application for properly registering currently existing visible features of the object, b) obtaining the set of images, c) storing the set of obtained images as a current set, along with its related data, in at least one storage/processing location for further analysis. The technique, using the mobile software application, may also perform d) analysis of thus obtained current set of images by comparing it with another reference set of images of the same or similar object. The technique may be used, for example, for detecting defects on a vehicle body.
Vehicle entertainment tablet unit and cradle
A vehicle entertainment system includes a tablet unit and a cradle. The tablet unit includes a display and a touch screen input device disposed on a front surface, a first electrical connection, a first mounting mechanism, and a wireless receiver. The wireless receiver is configured to receive media data from a wireless network and the touch screen input device is configured to receive input from a user. The cradle is disposed in a headrest in a vehicle and includes a second electrical connection and a second mounting mechanism. The tablet unit is electrically connected to the cradle via the first and second electrical connections, and is physically coupled to the cradle via the first and second mounting mechanisms upon mounting the tablet unit to the cradle.
Video conferencing system and method
A method and computing system for generating a temporal timebase that temporally-associates one or more portions of a video associated with a videoconference with one or more data events defined via a viewer application. A specific portion of the video associated with the video conference is rendered, wherein the specific portion is chosen from the one or more portions. The temporal timebase is accessed to identify a specific data event, chosen from the one or more data events, that is temporally-associated with the specific portion of the video associated with the video conference. The specific data event may be rendered within the viewer application.
Image sensor and method of outputting data from the image sensor
An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit. The row driver performs decoding for a reset operation, a transfer operation and a read operation, and generates control signals. The pixel array, in a rolling shutter mode, performs the transfer operation on a second row group while the read operation for a first row group is performed, and receives an optical signal, converts the optical signal to electrical signal, and outputs the electrical signal as an image signal in response to the control signals.
Image processing device having attenuation control circuit, and image processing system including the same
An image processing device includes a switch signal generator, an amplifier, a ramp generator, and an attenuation control circuit. The switch signal generator generates switch control signals based on a level of an image signal that corresponds to a pixel signal output from a pixel. The amplifier includes a first input terminal and a second input terminal. The ramp generator generates a ramp signal. The attenuation control circuit adjusts an arrangement of capacitors according to the switch control signals to control whether to attenuate each of the pixel signal and the ramp signal, and transmits signals generated as a result of the adjusted arrangement to the first input terminal and the second input terminal.
Image data processing apparatus and method therefor for pixel data
A write control unit selects, in a row or column direction, N storing units from N×N storing units for storing pixel data of N (N≧2) read lines of image pickup devices and writes the data in sets of N pixels thereto, and switches a selection direction for selecting the storing units each time writes of the data of N lines are completed. A read control unit selects, in a direction different from the selection direction, N storing units and starts parallel reads of the data of N lines during writes of the data of every N-th line. Each storing unit to be first selected in the writes of the data of every N-th line performs write and read operations using different terminals, and each of the remaining storing units performs write and read operations using a common terminal.
Thermal detection systems, methods, and devices
Systems, methods, and devices for thermal detection. A thermal detection device includes a visual camera, a thermal detector, a controller, a user interface, a display, and a removable and rechargeable battery pack. The thermal detection device also includes a plurality of additional software and hardware modules configured to perform or execute various functions and operations of the thermal detection device. An output from the visual camera and an output from the thermal detector are combined by the controller or the plurality of additional modules to generate a combined image for display on the display.
Non-uniformity correction techniques for infrared imaging devices
Various techniques are disclosed for performing non-uniformity correction (NUC) for infrared imaging devices. Intentionally blurred image frames may be obtained and processed to correct for FPN (e.g., random spatially uncorrelated FPN in one embodiment) associated with infrared sensors of the infrared imaging device. Intentionally blurred image frames may be used to distinguish between FPN associated with the infrared sensors and desired scene information. Advantageously, such techniques may be implemented without requiring the use of a shutter to perform flat field correction for the infrared imaging device.
System and method for acquiring virtual and augmented reality scenes by a user
A preferred method of acquiring virtual or augmented reality (VAR) scenes can include at a plurality of locations of interest, providing one or more users with a predetermined pattern for image acquisition with an image capture device and for each of the one or more users, in response to a user input, acquiring at least one image at the location of interest. The method of the preferred embodiment can also include for each of the one or more users, in response to the acquisition of at least one image, providing the user with feedback to ensure a complete acquisition of the virtual or augmented reality scene; and receiving at a remote database, from each of the one or more users, one or more VAR scenes. One variation of the method of the preferred embodiment can include providing game mechanics to promote proper image acquisition and promote competition between users.
Adaptive low-light identification
This document describes techniques and apparatuses for implementing adaptive low-light identification. These techniques and apparatuses enable a computing device to capture infrared (IR) imagery of a person and determine, based on previously-captured IR imagery of multiple people, an identity of the person. Visible-light imagery of the identified person can then be retrieved and combined with the IR imagery to provide composite imagery of the person, which is presented to a user. By so doing, the user can more-easily identify the person, particularly in low-light conditions.
Apparatus and method for panoramic video hosting with directional audio
A server includes an input node to receive video streams forming a panoramic video. The server also receives audio tracks corresponding to the video streams. A module forms an audio track based upon a combination of at least two of the audio tracks and directional viewing data. The audio track may be a stereo, mixed or surround sound audio track with volume modulation based upon the directional viewing data. An output node sends the audio track to a client device.
Imaging device shooting a common subject in synchronization with other imaging devices
An imaging device shoots a common subject in synchronization with other imaging devices. The imaging device includes a processor. The processor receives states of the other imaging devices, compare an own state of the imaging device with the received states of the other imaging devices, and determine whether the imaging device functions as a main device or a subordinate device for setting an imaging condition. When the processor determines that the imaging device functions as the main device, the processor sends imaging information acquired or determined by the imaging device for shooting the common subject to the subordinate devices. When the processor determines that the imaging device functions as the subordinate device, the processor sets the imaging condition in the imaging device based on the imaging information received from the main device.
Characteristic image display apparatus
A characteristic image display apparatus includes a characteristics extraction unit that divides a captured image into a plurality of blocks and extracts a characteristic color from each block, a band-like image creation unit that creates a band-like image that is obtained by arranging in a line small single-color images based on characteristic colors of blocks of the captured image, and a display control unit that displays a band-like image sequence that is obtained by arranging the plurality of created band-like images.
The present disclosure provides techniques for capturing an image or video. In particular, the present disclosure provides techniques for capturing the image or video using a camera integrated with a computing device, such as a cellular phone. A computing device can include an image sensor to capture image data and a processor to process the image data. The image sensor is to capture the image data in an orientation format irrespective of an orientation of the computing device.
Camera module with image stabilization by moving imaging lens
In a camera module having an image stabilization mechanism, both of miniaturization and thinning are achieved, while adopting a structure of driving an entire of a lens group in a direction perpendicular to an optical axis direction. An image stabilization portion (4) of a camera module (50) includes an OIS base (14), an OIS movable plate (12), and guide balls (15) which support the OIS movable plate (12) so as to be movable in a plane perpendicular to an optical axis direction with respect to the OIS base (14).
Image processing apparatus and method of controlling image processing apparatus
An image processing apparatus comprising: a first obtaining unit configured to obtain a focal length of an imaging optical system; a second obtaining unit configured to obtain a distance to a subject; a setting unit configured to set a movable range for a correction unit configured to correct camera shake, based on the focal length and the distance to a subject; and a calculation unit configured to calculate a correction amount for correcting the camera shake within the movable range that was set by the setting unit, based on a camera shake signal from a camera shake detection unit configured to detect camera shake and output the camera shake signal.
Enabling a true surround view of a 360 panorama via a dynamic cylindrical projection of the panorama
A stereographic panoramic media (SPM) can be received. The media can include a 360 degree field of view (FoV) within the horizontal plane and a usable FoV within the vertical plane. A first, second, and third field of view associated with the SPM can be identified. The first FoV can be 180 degree field of view and the second and third FoVs can encompass 90 degree FoV within the horizontal plane. The SPM can be translated to a cylindrical panoramic media (CPM). The CPM can conforms to a three dimensional hollow cylindrical projection (CP). The first FoV of the SPM can be mapped onto the inner surface of the CP, and the first and the second field of view can be mapped onto the outer surface. The CPM can provide a visible continuous field of view of at least 270 degrees.
Method, system, and computer program product for providing a target user interface for capturing panoramic images
Systems, methods, and computer readable mediums are provided for generating a panoramic image that includes, in at least some aspects, generating targets that are each associated with a portion of the panoramic image, displaying the targets, shifting the targets when the user device is repositioned, capturing images when the targets are within a threshold distance of the center of the display, and generating the panoramic image from the captured images.
Depth estimation from image defocus using multiple resolution Gaussian difference
A blur estimation method and apparatus which utilizes Gaussian differences at multiple resolutions, upon which iterative convolution is performed to match sharpness measures between two images. Blur differences are combined with an iteration number selected from multiple resolution levels based on comparing a sharpness ratio as the blur difference estimate. Blur difference estimate is then applied through a depth model to arrive at a depth estimate. Blur difference depth estimation can be utilized for controlling operation of focus control hardware in an imaging device.
Image capturing apparatus, external device, image capturing system, method for controlling image capturing apparatus, method for controlling external device, method for controlling image capturing system, and program
An image capturing apparatus that communicates with an external device includes a field-of-view changing unit configured to change a field of view for capturing an image of a subject, a receiving unit, a control unit, and an amount-of-change determination unit. The receiving unit receives, from the external device, a command for controlling the field-of-view changing unit. The control unit controls, when the receiving unit receives a command to start to change a field of view, the field-of-view changing unit to start to change the field of view. The amount-of-change determination unit determines an amount of change in the field of view. The control unit controls the field-of-view changing unit such that the determined amount of change in the field of view becomes a predetermined amount or more, irrespective of whether the receiving unit receives a command to stop changing the field of view using the field-of-view changing unit.
Application dependent video recording device architecture
The video recording systems disclosed herein comprise recording devices built in a variety of system architectures depending on the type of intended use. The guiding principle of the system architectures is that an optimal recording device will have optics, sensor, control electronics, and communication capability designed for the purpose of use. User controls, as well as power sources may be separated from the optimal recording device. Different applications may demand a variety of accessories including camera mounts, automatic camera orientation capabilities, remote control devices, and remote power sources, all of which may be designed as use-specific devices and optimized for the purpose of use.
RAW camera peripheral with handheld mobile unit for processing RAW image data
A handheld imaging device is described to provide high quality RAW image data to a smartphone, or similar handheld imaging device. The imaging device can have a larger dimension, particularly with regard to the thickness of the device, thus overcoming some of the physical limitations to providing high quality optics and image sensing within the thin form factor of a modern smartphone. As the device is only connected when capturing images the smartphone form factor is not altered. The device does not replicate the high-end image processing functionality of a smartphone, but instead transfers RAW images to the smartphone for high-end image processing & enhancement on the smartphone CPU/GPU. Thus it can be manufactured at lower cost than a dedicated camera with equivalent capabilities by taking advantage of the sophisticated image processing capabilities of today's smartphones.
Camera module having mechanical image stabilization mechanism
The present disclosure relates to a camera module including a fixture; a moving part centrally coupled with a lens and arranged to move relative to the fixture; three or more magnets arranged at a periphery of the moving part; and three or more coils arranged from an inner surface of the fixture to areas opposite to the three or more magnets, where each of the coils independently receives a control signal so that the moving part moves to a height direction and tilted relative to a central axis of the moving part, whereby a lens can be axially moved and tilted at the same time using arrangement of a single set of coils and magnets.
Camera module and a camera for a vehicle
The exemplary embodiment of the present disclosure relates to a camera module including a rear-opened front body, a rear body coupled to a rear side of the front body to form an inner space, a lens part coupled to the front body, an image sensor accommodated at the inner space to convert a light having passed the lens part to an electrical signal, a PCB (Printed Circuit Board) accommodated at the inner space and mounted with the image sensor, and a closed curve-shaped packing member interposed between the front body and the rear body, wherein the packing member includes a support part extensively formed from the packing member to an inner side, and the front body or the rear body includes a support part accommodation groove having a shape corresponding to that of the support part, whereby adhesionability during assembly of packing member can be maximized to thereby minimize an installation defect, a depressed or stamped phenomenon of a packing member that may occur during assembly process.
Enclosure and arrangement for recess mounting of a camera or camera head
The present invention relates to an enclosure for recess mounting of a camera or camera head in a recess of a surface, the enclosure comprising an attachment portion, a cable sealing portion being adapted to seal against an outer surface of the cable extending through the cable sealing portion, and a circumferential wall portion adapted to extend along a closed path in a circumferential direction and in a first direction extending from the attachment portion towards the cable sealing portion, wherein at least a portion of the circumferential wall portion is formed of a flexible and/or elastic material such that the cable sealing portion is movable relative the attachment portion. The present invention also relates to an arrangement for recess mounting of a camera or camera head in a recess of a surface.
Gesture recognition apparatus and complex optical apparatus
The present invention discloses a gesture recognition apparatus including a substrate, a light emitting device, an image sensor and a processing unit. The light emitting device is for emitting a light beam according to a first clock signal. The image sensor is disposed on the substrate and is for receiving the light beam reflected by an object according to a second clock signal to generate an object image. The processing unit is disposed on the substrate and is for recognizing the object image detected by the image sensor to provide a command signal. There is a correlation between a period of the first clock signal and a period of the second clock signal. The present invention also provides a complex optical apparatus.
Device and method for correcting lip sync problems on display devices
A system which synchronizes audio and video, that uses a sensor sensing the display of video and audio from an external device. The sensor creates timestamps for each of the video and audio, and then calculates a difference between those timestamps. The differences sent to the external device which then compensates for the difference.
Printed color prediction method and device, profile generation method and device, color conversion method and device, and color conversion system
A printed color prediction method includes: a step of acquiring the spectral reflectance in a protective film non-coating region of a printed matter that the protective film does not coat; a step of estimating the optical physical property value of the protective film; a step of acquiring the spectral distribution of an observation light source; a step of estimating the color change property due to the interaction between the printed matter as a base matter and the protective film; and a step of predicting the colorimetric value of a protective film-attached printed matter, based on the acquired spectral reflectance of the printed matter, the optical physical property value of the protective film, the spectral distribution of the observation light source and the color change property due to the interaction.
Image processing apparatus for monochrome conversion and image forming apparatus including the same
An image processing apparatus performs operations including: when a density value of a black component in uncorrected monochrome image data corresponding to each of pure colors including primary colors and secondary colors in color image data is lower than a reference density value, the uncorrected monochrome image data being obtained by a monochrome conversion from the color image data to monochrome image data, determining a correction content for correcting the density value of the black component in the uncorrected monochrome image data corresponding to at least each of the pure colors out of the pure colors and peripheral colors of the pure colors in a color space to a value equal to or higher than the reference density value; and obtaining corrected monochrome image data in which correction based on the determined correction content is reflected in the uncorrected monochrome image data.
Image processing apparatus extracting pattern matched symbol image and replacing with specified symbol based on determined degree of loss
An image processing apparatus is provided. The image processing apparatus includes a data receiver, an image specifier, a replacement specifier, and a data generator. The data receiver receives data. The image specifier specifies a first image contained in the data. The replacement specifier specifies replacement data for the first image on the basis of a characteristic of the data. The data generator generates data in which the first image has been replaced with an image represented by the replacement data.
Information processing apparatus, program, output system, and output method having improved output-cost management flexibility
An information processing apparatus for controlling an output of an output data includes a selection receiving unit configured to receive an output instruction, in which the output data is selected, from a user; an acquisition unit configured to acquire calculation information, which associates a cost rate being a cost per an output unit of the output data with a currency unit used to display the cost calculated based on the cost rate, and which is associated with the user; a calculation unit configured to calculate the cost corresponding to an output of the output data, which corresponds to the output instruction received from the user, by using the cost rate included in the acquired calculation information; a cost display unit configured to display the calculated cost on a screen in the currency unit included in the acquired calculation information; and an output process unit configured to output the output data.
Imaging apparatus and imaging apparatus control method
An imaging apparatus is configured to capture an object image, generate a RAW image, perform simple development on the RAW image during the image capturing operation, and store not only the developed image but also the RAW image in a storage medium. If the imaging apparatus displays an image during the image capturing operation and immediately after the image capturing operation, the imaging apparatus displays the image processed by the simple development. When the imaging apparatus completes processing of high-quality image development, the imaging apparatus replaces the image processed by the simple development with the image processed by the high-quality image development and displays the image processed by the high-quality image development.
Information processing apparatus, information processing system, and computer program product
An information processing apparatus, which connects to at least one client apparatus via a first network and is connectable to an external apparatus via a second network, includes first and second receiving units, a specifying unit, first and second switching units, and a transmitting unit. The first receiving unit receives client information from the client apparatus via the first network. The specifying unit specifies a device connected to the first network and controllable by the client apparatus. The first switching unit switches connection from the first network to the second network. The second receiving unit receives, based on the client information and the specified device, a control program for controlling the device from the external apparatus via the second network. The second switching unit switches connection from the second network to the first network. The transmitting unit transmits the received control program to the client apparatus via the first network.
Image reading device that determines size of document and image forming apparatus having the same
An image reading device includes a plate on which a document to be scanned is placed, a cover that is movable between an open position and a closed position at which the cover contacts the document, a position detecting unit configured to detect a position of the cover, an imaging unit configured to emit light towards the plate and having an image sensor configured to detect light reflected by the document, and a control unit configured to determine a size of the document based on a detection result of the position detecting unit and a detection result of the image sensor.
Arranging a group of images to be displayed on a displaying device of an information processing apparatus
There is provided a non-transitory computer readable medium storing instructions that, when executed by a processor of an information processing apparatus including a displaying device, cause the processor to execute processes of receiving a designation of the group of images to be displayed on the displaying device, judging whether arrangement information representing an arranging direction of a group of images when displayed on the displaying device is associated with the designated group of images, displaying the designated group of images on the displaying device such that: (1) when the designated group of images is associated with the arrangement information, the designated group of images are displayed with the arranging direction represented by the arrangement information, and (2) when the designated group of images is not associated with the arrangement information, the designated group of images are displayed with a predetermined default arranging direction.
Image forming apparatus configured to predict an event based on resource information
An image forming apparatus includes: a schedule information generation unit that generates schedule information including an order of execution of received jobs; an acquisition unit that acquires resource information related to a resource used to execute a job; a prediction unit that predicts a timing of occurrence of an event that possibly occurs in the apparatus as the received jobs are executed in accordance with the order of execution on the basis of the schedule information and the resource information; a display information generation unit that generates display information for displaying a period of execution of the job to be executed and the timing of occurrence of the event along the same time axis, and for displaying a degree of influence of the event on execution of the job; and a display controller that controls display of the display information.
Apparatus, information processing system, information processing method, and information processing program for changing or providing functional capabilities in an apparatus
An apparatus connected to an information processing apparatus through a first network includes a receiving unit that receives identification information of a program from the information processing apparatus through the first network; an acquiring unit that acquires the program related to the identification information received by the receiving unit through a second network; and a call unit that calls the program acquired by the acquiring unit, wherein the program causes the apparatus to perform a process for data stored in the apparatus.
Systems and method for offloading communication sessions to local network resources
Techniques described herein may be used to identify communication sessions (e.g., voice calls, video calls, etc.) that can be routed using local network resources, such as a base station to which the user devices are attached, and cause routing responsibilities for the session to be offloaded to the local network resources. Doing so may conserve network resources by alleviating the core network from having to support communication sessions that do not need to be routed through the core network. In turn, this may reduce the potential for network latency since: 1) core network resources will be more available to support sessions that actually need to be routed through the core network; and 2) sessions that do not need to be routed through the core network can be routed over shorter distances that involve fewer network devices (e.g., a based station).
Methods and systems for call detail record generation for billing systems
A system and method for generating Call Detail Records (CDR) to optimize network usage notifications to a mobile device subscriber. The system and method can include a billing system module that determines CDR generation parameters for the mobile device subscriber based on the mobile device subscriber's network usage, including increasing CDR generation when the mobile device subscriber's network usage relative to a predetermined quota is high and/or decreasing CDR generation when the mobile device subscriber's network usage relative to the predetermined quota is low. The CDR generation parameters can be applied to control CDR generation for the mobile device subscriber.
Nonlinear echo suppression
Presented is a method and associated system for suppression of linear and nonlinear echo. The method includes dividing an input signal into several frequency bands in each of a several of time frames. The input signal may include an echo signal. The method further includes multiplying the input signal in each of the several frequency bands by a corresponding echo suppression signal. Calculating the corresponding echo suppression signal may include estimating a power of the echo signal in a particular frequency band as a sum of several component echo powers, each of the several component echo powers due to an excitation from a far-end signal in a corresponding one of the several frequency bands. Calculating the corresponding echo suppression signal may further include subtracting the power of the echo signal in the particular frequency band from a power of the input signal in the particular frequency band.
Method and system for a scalable computer-telephony integration system
Methods, systems, apparatus, and non-transitory computer readable media are described for a scalable computer-telephony integration system. Various aspects may include storing sets of call agent login information for several call agents within the computer-telephony integration system and across several independent computing systems in a contact center login database. Additionally, various aspects may include generating several contact center service categories and sets of contact information for each contact center service category, which may be stored in a contact center directory database. When an incoming call is received from a customer, various aspects may include obtaining customer call information from the customer and generating a customer call key, which may be stored as a reference to the customer call information in a contact center customer call information database. The call key may be used to reduce an amount of data electronically transferred between call agents during telephone call transfers.
Call priority for mobile devices
Systems and method are provided for using a priority level for a call from a caller to a callee. The systems and methods involve presenting to the caller on a screen of a caller's mobile device an option for selecting the priority level for the call at a time that the call is initiated by the caller. The systems and methods further involve transmitting data corresponding to the priority level from the caller's mobile device to a callee's mobile device. The systems and methods further involve providing an indication on the callee's mobile device of the priority level at a time that the call is indicated to the callee as incoming.
System and method for implementing multimedia calling line identification presentation service
Implementing a multimedia calling line identification presentation service. A multimedia resource notification module obtains a storage address of a multimedia resource that is stored by a resource storage entity and that is subscribed to by a calling terminal, and sends the storage address of the multimedia resource to a resource playing entity. A service management module establishes a media channel between the resource playing entity and the called terminal for playing the multimedia resource. Establishing the media channel includes sending multimedia session information to the called terminal, the multimedia session information having been received by the service management module from the resource playing entity. Establishing the media channel also includes sending negotiated multimedia session information to the resource playing entity, the negotiated multimedia session information having been received by the service management module from the called terminal.
Method for handling a call, software product, and device
A method for handling calls to be moved within a system having an unmonitored domain and a monitored domain can include the step of upon first arrival of a call at said unmonitored domain, a context of said call based on a called number, a calling number, and any redirection number(s) included in said call can be provided. Another step of the method can include, for each movement of said call between said unmonitored domain and said monitored domain, providing a unique number to be temporarily used for said particular movement, based on said call context, while avoiding that said unique number is used to move any other call within the system at the same time. An apparatus for can be configured to facilitate performance of the method (e.g. communication system, a device, non-transitory memory, etc.).
Reduction in network congestion
A system, method and non-transitory computer readable storage medium comprising instructions that when read by a processor perform receiving a telephony connection request at a location in a telephony network, the location separated from an intended recipient of the telephony connection request by a target telephony network, determining addressing information regarding the intended recipient, the addressing information including at least routing information or a phone number, determining a status characteristic of the intended recipient based on the addressing information, based on the status characteristic, and determining whether the intended recipient would successfully receive the telephony connection request if the telephony connection request was forwarded to the intended recipient.
Dialing a wireless telephone number determined to be obsolete using an autodialer in a contact center
A contact center dialing a telephone number to a destination party, such as a debtor, may discover that the number is subject to a prohibition of being autodialed. In other embodiments, a number that was subject to the prohibition of being autodialed is now discovered to no longer be subject to such prohibition. Various mechanisms may be defined to indicate how such a prohibition associated with the number may be indicated in a dialing list and how various contact center architectures may be used to process the dialing list. In one embodiment, separate sub-systems are used to dial separate dialing lists based on whether the number is to be manually dialed or dialed using an autodialer. In another embodiment, another architecture is used to process an integrated dialing list to determine whether a number is to be manually dialed or autodialed.
Unified communications system and method
A unified communications system enables a user to simultaneously manage real time voice communication with background audio streams such as a music. In one embodiment, the system comprises a plurality of devices connected through a persistent voice over IP channel, where each device is playing background audio independently, and each device is operatively coupled to a microphone. When a connected user speaks, Voice Activity Detection results in the automatic adjustment of background audio on other connected devices, the adjustments based upon user-input settings on each device.
Voice call establishing method and apparatus
The present invention relates to a voice call establishing method and apparatus. The method includes: receiving a voice call request, and generating an internal trigger signal according to the voice call request; detecting an acceleration characteristic value of a mobile terminal and/or a characteristic value of a distance from the mobile terminal to a target object within a preset time threshold; and if an initial value of the acceleration characteristic value is a first characteristic value and does not change within the preset time threshold, establishing a first voice call; and if the acceleration characteristic value changes from the first characteristic value to a second characteristic value within the preset time threshold, and the characteristic value of the distance changes from a first distance characteristic value to a second distance characteristic value, establishing a second voice call.
Mobile terminal and controlling method thereof
A mobile terminal and controlling method thereof are disclosed, by which image data of a counterpart having triggered an event can be displayed. The present invention may include a display unit configured to display information, a wireless communication unit configured to communicate with an external server that stores first image data and to communicate with a counterpart terminal, a memory to store a second image data, and a controller, in response to an event triggered by the counterpart terminal, to extract an image data related to a counterpart from one of the first image data and the second image data, and the controller to output the extracted image data on a portion of the display unit to notify an occurrence of the event.
Method of identifying contacts for initiating a communication using speech recognition
A method of initiating a communication using speech recognition on a mobile wireless communication device. Voice input is parsed using speech recognition to identify and extract a name and a communication type to be initiated from a plurality of potential communication types. A local address book is searched to identify all contact records having both a contact name including the name extracted from the voice input and a populated address field associated with the communication type extracted from the voice input. When only one contact record matches the extracted information, a communication is automatically initiated to the contact address from the populated address field of the contact record using an application associated with the communication type. When more than one contact record in the local address book matches the extracted information, a list of all of the matching contacts is output from which a communication can be initiated.
A magnification system includes an electronic device that has a display. The display may display an image. A case is provided and the case has the electronic device is removably positioned within the case such that the display is visible. A magnifier is removably coupled to the case. Thus, the magnifier magnifies the image on the display thereby enhancing visibility of the image.
Platform for constructing and consuming realm and object feature clouds
A computer-implemented method of providing a server-based feature cloud model of a realm includes receiving by a server a series of digital contributions that collectively originate from a plurality of remote computing devices, characterizing portions of the realm. The method also includes processing by the server the received digital contributions to associate them with a global coordinate system and storing the processed contributions in a realm model database as components of the feature cloud model of the realm. Finally, the method includes, in response to a query message over the Internet from a computing device of an end-user, serving, over the Internet by the server to the computing device, digital data defining a selected portion of the feature cloud model for integration and display by the computing device.
System and methods for creating and authorizing internet content using application media packages
An Application Media Package is a software component for accessing and displaying Internet content which includes a definition for rendering a graphical user interface and a URL pointing to Internet content to be downloaded and presented within said user interface. An Application Media Viewer may be used in association with an Application Media Package to manage the collection, organization, sharing, and rendering of a plurality of such Packages. A development server supports the community of Application Media Package developers, providing developer tools, including Package templates which provide an expedient method of re-purposing existing internet media into a new presentation package by choosing from existing examples. Access to tools and information may be controlled at the development server. The development server may also provide a development and test zone for Package verification, authentication and acceptance before posting.
Service function chaining branching
A system comprising a plurality of service nodes, a controller and a network device in communication with the controller. Each of the plurality of service nodes is configured to support one or more service functions to establish a service function chain that includes a plurality of service functions to be performed by routing traffic among the plurality of service nodes. The controller is configured to generate provisioning information for the service function chain. The provisioning information includes at least one condition upon which a service function reclassification or branching operation is to be performed by at least one service node. The network device is in communication with the controller, and is configured to distribute the provisioning information for the service function chain to the plurality of service nodes using a distributed routing protocol.
System and method for implementing application functionality within a network infrastructure
A system and method for implementing functionality within a network on behalf of first and second devices communicating with each other through the network. A front-end device is provided within the network that communicates data traffic with the first device. A back-end device is also implemented within the network and communicates data traffic with the second device. A communication channel couples the front-end device and the back-end device. Data traffic may be encoded into a different type or protocol for transport through the communication channel by the front-end device and back-end device. The front-end device and back-end device exchange quality of service information and may alter characteristics of the data traffic through the communication channel according to the quality of service information.
Screen sharing cache management
In one embodiment, a managed cache system, includes a cache memory to receive storage units via an uplink from a transmitting client, each storage unit including a decodable video unit, each storage unit having a priority, and enable downloading of the storage units via a plurality of downlinks to receiving clients, and a controller processor to purge the cache memory of one of the storage units when all of the following conditions are satisfied: the one storage unit is not being downloaded to any of the receiving clients, the one storage unit is not currently subject to a purging exclusion, and another one of the storage units now residing in the cache, having a higher priority than the priority of the one storage unit, arrived in the cache after the one storage unit. Related apparatus and methods are also described.
Systems and methods for predictive download
A time a user of a client application is likely to access a preferred network connection is predicted. A pre-download index for one or more multimedia content items is calculated, where the pre-download index represents how likely the user is to interact with the one or more multimedia content items at approximately the predicted time. The indexed multimedia content items are ranked based on the pre-download index of each of the one or more multimedia content items. The ranked multimedia content items are provided to the client application at the predicted time.
Assigning shared catalogs to cache structures in a cluster computing system
An apparatus, system, and method for assigning a cache structure to a catalog. The apparatus includes an identification module configured to identify a catalog for sharing in association with a coupling facility. The coupling facility includes a plurality of cache structures for catalogs of a cluster computing system. The coupling facility is configured to facilitate data sharing among a plurality of host systems of the cluster computing system. The apparatus includes a selection module configured to select a cache structure of the plurality of cache structures for the catalog based on one or more usage status indicators according to an assignment policy. The apparatus includes a storage module configured to store catalog information of the catalog in the cache structure in response to the selection module selecting the cache structure.
System, apparatus for content delivery for internet traffic and methods thereof
In one embodiment, a method of serving media includes receiving a request to serve media content to an user equipment, and receiving caching information regarding the media content. The caching information includes information regarding whether the media content requested by the user equipment is cacheable. A first media server is assigned from a hierarchical set of media servers to serve the user equipment if the media content to be served is cacheable. The hierarchical set of media servers includes a plurality of first type of media servers deployed in a plurality of layer2 (L2) access networks. The user equipment is coupled to the content delivery network through a layer2 access network of the plurality of L2 access networks.
Method of transmitting contents and user's interactions among multiple devices
A method for transmitting contents and user's interactions among multiple devices is provided. The method includes determining a group of object devices including a portion of the plurality of object devices, transmitting the data to the object devices of the determined group, receiving confirmation information from the object device which completes receiving of the data, among the object devices of the determined group, determining a clone device based on the received confirmation information. The transmitted clone information is used to transmit the data from the determined clone device to at least one object device which is not included in the object devices of the determined group among the plurality of object devices.
Providing static or dynamic data to a device in an event-driven manner
A dual-device tutorial system can facilitate user learning about a “primary” device by providing explanatory information on a “supporting” device while the user interacts with the primary device. The primary and supporting devices can be devices of different types. From a user perspective, the primary device can operate exactly as it would in normal (non-tutorial) use and can send event messages and/or other signals to the supporting device. Based on the event messages and/or other signals, the supporting device can provide explanatory information responsive to user interactions with the primary device.
Management of multiple devices within an analyte monitoring environment
Systems, devices, and methods are provided for the management of multiple sensor control devices and/or multiple reader devices in an in vivo analyte monitoring environment, and also for resolving conflicts when merging data collected by different reader devices.
System and method for automatic link detection and link initialization in a storage system
A system and method for link detection and link initialization across a range of communication media is disclosed. In an embodiment, the method includes intercepting, by a subcontroller of a first storage element, an attempt by a controller of the first storage element to establish communication with a second storage element via a first communication medium. In response to the intercepting of the attempt, a link initialization signal is provided for transmission to the second storage element via a second communication medium. The second communication medium is independent of the first communication medium. When a response is received from the second storage element indicating a successful link initialization, an indication of success is provided from the subcontroller to the controller. The indication of success corresponds to the first communication medium. In one example, the controller includes an SAS controller, and the second communication medium is an optical communication medium.
Systems and methods for data synchronization management between call centers and CRM systems
Systems and methods for synchronizing data between a communications management system and data management system. In some implementations, contact data may be requested from a data management system external to and/or operated by a distinct entity with respect to a communications management system. The requested contact data may be received at the communications management system and the communications management system may be used to establish a communication using at least one contact from the requested contact data. The requested contact data may be updated using data generated during the communication and then updated contact data may be transmitted to the data management system to synchronize the two systems.
High bandwidth peer-to-peer switched key-value caching
Inventive aspects include a high bandwidth peer-to-peer switched key-value system, method, and section. The system can include a high bandwidth switch, multiple network interface cards communicatively coupled to the switch, one or more key-value caches to store a plurality of key-values, and one or more memory controllers communicatively coupled to the key-value caches and to the network interface cards. The memory controllers can include a key-value peer-to-peer logic section that can coordinate peer-to-peer communication between the memory controllers and the multiple network interface cards through the switch. The system can further include multiple transmission control protocol (TCP) offload engines that are each communicatively coupled to a corresponding one of the network interface cards. Each of the TCP offload engines can include a packet peer-to-peer logic section that can coordinate the peer-to-peer communication between the memory controllers and the network interface cards through the switch.
Redistributing a connection
Network connection management is disclosed. Internet Protocol addresses associated with an initial host identifier of a first network node of a network cluster of a plurality of network nodes are requested. In response to the request, a plurality of IP addresses is received. For each of the received IP addresses, an alternate host identifier is discovered. A request to establish a network connection with the first network node is received from a client. It is determined whether to redirect the network connection to a second network node of the network cluster. In the event it is determined that the network connection should be redirected, one of the discovered alternate host identifiers is selected as a redirect destination identifier and providing to the client the selected alternate host identifier as the redirect destination identifier.
Cross-cloud object mapping for hybrid clouds
A hybrid cloud computing system having a private data center and a public cloud computing system is discussed. The private data center is managed by a first organization. The public cloud computing system is managed by a second organization, and the first organization is a tenant in the public cloud computing system. The hybrid cloud computing system is configured to generate a mapping that contextualizes virtual objects migrated between the private data center and the public cloud computing system based on the objects' location. Such a mapping is maintained to expose the true hybridity of the hybrid cloud rather than present two distinct views of a private data center (or private cloud) and a public cloud.
Method of determining transport parameters for efficient data transport across a network
Methods are provided for determining, based on input parameters associated with a computing device and a network over which the computing device is connected to another computing device (such as a server), suitable transport parameters for requesting and receiving data, where the transport parameters are determined for efficient transmission with less susceptibility to interruptions and delays. The input parameters may be provided continuously in order to determine, on a real-time or near real-time basis, continuously updated transport parameters. Transport parameters may be rewarded and/or punished based on historical network data. Accordingly, embodiments enable the computing device and/or server to dynamically adjust transport parameters to provide a data rate that is chosen to accommodate changing network conditions.
System for dynamic service collaboration through identification and context of plurality of heterogeneous devices
The present disclosure provides a system and method to provide a mechanism to perform faster collaboration among the services by retrieving the context information from the central device using service identifier as key element. The system is adapted to create a unique device identifier by associating device MAC address, context information and operation/service identifier while performing the device registration.
Integrated nodes, computer readable media and program products, and computer-implemented methods for providing an integrated node for data acquisition, verification and conditioning, and for remote subsystem control
Integrated nodes, such as programmable logic controllers, computer program products, computer readable media, and computer implemented methods are provided to allow a remote host to interface with a plurality of remote subsystems to thereby define an integrated node, and to provide for data acquisition, verification, and conditioning. An exemplary programmable logic controller includes a data acquirer configured to periodically acquire time-stamped data from each of the plurality of remote time-synchronized subsystems and archive the time-stamped data using the database server module, a data verifier configured to detect out-of-bounds measurements in the time-stamped data and to substitute the out-of-bounds measurements with new measurements, and a data reconciler configured to determine an operating state of the plurality of remote time-synchronized subsystems and to reconcile the plurality of verified measurements.
Hierarchical organization for scale-out cluster
Performing a distributed data operation. A method includes receiving a request for one or more data operations from a first computing system, such as a client. The method further includes determining a number of node endpoints that can be used to satisfy the query. Based on the number of node endpoints, the method further includes selecting a plan from the group consisting essentially of a flat data operation plan, a hierarchical data operation plan or a combination of partially flat/partially hierarchical data operation plan. The request for one or more data operations is serviced using the selected data operation plan.
Utilizing content via personal clouds
Example embodiments disclosed herein relate to processing content using a personal cloud. One of a plurality of content items respectively associated with a plurality of devices of a personal cloud is determined. A processing to be performed on the one content item is determined. The processed version of the one content item is determined.
Setting first-party cookies by redirection
A first request on a second domain associated with the computing device is received, by the computing device, from a user device, in response to the user device processing a webpage associated with a first domain. Handler instructions are sent, by the computing device, to the user device. A second request including a target URL is received, by the computing device, from the user device. Setting instructions to set a first cookie on the second domain associated with the computing device and redirection instructions to redirect the user device to the target URL are sent, by the computing device, to the user device.
A method for providing equitable media streaming between an HTTP server and a number of receivers via shared network. The streaming data is processed to split the data across a number of sub-streams. Each sub-stream contains non-contiguous data. A receiver requesting the streaming media establishes a number of TCP sessions, one for each sub-stream and the received sub-stream data is reassembled at the receiver so that the streaming media can be presented.
Systems and methods for secure, controlled virtual visitation with confinement institution inmates
Secure, controlled, interactive virtual visitation for confinement institution inmates is provided using computing devices connected through a network by managing the scheduling of visitation sessions and use of shared visitation session resources, ensuring the identities of the inmate and the person with whom the inmate is to interact in the virtual visitation session, and by monitoring the interactions and communications during the virtual visitation sessions to detect prohibited activities. Another embodiment of the invention uses a virtual desktop shared from a remote server to ensure that an inmate does not have access to prohibited applications or content during a virtual visitation session.
Dynamic profile sharing using expiring tokens
Access to a user profile of a user device at a location may be provided to a destination device upon detecting that the location is within a proximity of a destination location. An expiring token may be generated, associated with the user profile, and communicated to the second device. Access to the user profile provided to the destination device may be terminated upon an expiration of the expiring token.
A router including a processor, a wide area network (WAN) signal transceiver, and a local area network (LAN) is provided. The WAN signal transceiver is controlled by the processor. The WAN signal transceiver is configured to transceive voice signals and data signals with a base station via a telecommunication network. The LAN signal transceiver is controlled by the processor. The LAN signal transceiver is configured to transceive the voice signals and the data signals with a wireless access point via a local area network.
A method of establishing a communications session for communication of data with respect to at least two user devices in a data communications network. A client-server connection request is received from at least one of the at least two user devices. Call party details of a telephone call are received. The telephone call involves at least a first telephony user device and a second telephony user device. The call party details include a first identity associated with the first telephony user device and a second identity associated with the second telephony user device. At least one of the first and second identities comprises a telephone dialing number. A separate communications session is established on the basis of the first and second identities received in the call party details.
Managing network resource access using session context
A computing device providing a network service to a service area may receive a connection request from a user device and generate a session start request to start a user session in a service domain covering the service area. One or more policy rules may be evaluated to determine whether any rule is applicable to the user device, which includes determining that an authoritative user session has already been established in the service domain. The user session may be established in the service domain for the user device, and at least one permission for access to a controlled network resource may be associated with the user session based on the determination that the authoritative user session has already been established. A request from the user device to access the controlled network resource may be received and access to the controlled network resource may be granted.
Dependent entity provisioning
A method and system for managing entitlements provided by a target system in an organization is provided. In one embodiment, a user of an organization may utilize services provided by an identity management system to request for resources stored in one or more target systems of the organization. Upon receiving the request, the identity management system may identify if an account is associated with the user that enables the user access to the resource in one of the target systems. In some examples, the identity management system may provision a new account for the user, associate the new account with the user and grant an entitlement to the new account, wherein the entitlement enables the user to access the requested in the target system.
Domain classification using domain co-occurrence information
Domain classification based on domain co-occurrence information derived from client request behavior is provided. The network requests of clients are analyzed to determine domain and time information. Distance information is generated based on the time between requests for a plurality of domains. The distance information for individual clients is combined to generate distance information for domain pairs. The distance information represents an amount of time or other measurement between queries associated with the two domains of the pair. By examining the client requests, a measure of the distance or relatedness of two domains may be determined. Co-occurrence information for a first set of domains is generated based on the co-occurrence of domains in the first set with domains in a second set of domains. Based on the co-occurrence information, a domain classification can be generated for domains in the first set of domains.
Method, apparatus and computer device for scanning information to be scanned
The present invention provides a method for scanning information to be scanned in a computer device, the information to be scanned needing multiple scans, and the method comprising the steps of: a. determining a delay duration from the end of a scan for the information to be scanned to the start of a next scan according to current performance information about the CPU of the computer device; and b. scanning the information to be scanned according to the delay duration. According to the solution of the present invention, by determining a delay duration from the end of a scan for the information to be scanned to the start of a next scan according to current performance information about the CPU of a computer device, and scanning according to the delay duration, problems such as slow running due to high occupancy ratio of CPU resources during scanning can be avoided.
Infected endpoint containment using aggregated security status information
In one example, a network device may store health status information specifying a current security status for each of a plurality of authenticated endpoint devices in accordance with an authorization data model. The network device may update the current security status of each of at least two of the plurality of authenticated endpoint devices connected to an enterprise network to indicate that each of the at least two of the plurality of authenticated endpoint devices has a compromised security status, and identify a characteristic common to both of the authenticated endpoint devices having the compromised security status. The network device may interface with one or more policy enforcement devices to quarantine a set of endpoint devices associated with the identified characteristic. The current security status of at least one of the quarantined endpoint devices may indicate that the quarantined endpoint device does not have a compromised security status.
System and method of analyzing web content
Computer-implemented methods and systems for categorizing a uniform resource locator (URL) based on web content associated with the URL are disclosed. In one aspect, a method includes identifying a first URL using a first URL collection method, assigning, using an electronic processor, a first categorization priority to the first URL based on the first URL being identified using the first URL collection method, categorizing, the first URL based on the first categorization priority, identifying a second URL using a second URL collection method, assigning, using an electronic processor, a second categorization priority different than the first categorization priority based on the second URL having been identified using the second URL collection method; and categorizing, using an electronic processor, the second URL based on the second categorization priority.
System and method for providing for secure network communication in a multi-tenant environment
A security solution provides secure communication in a multi-tenant environment which includes a connection-based fabric, storage cells holding data associated with different tenants, database servers which provide a plurality of database services using said data, application servers hosting database service consumers. The fabric is configured into partitions isolating the storage cells from the database service consumers. The application servers securely associate unique database service consumer identities with each database service consumer and all communications with the database servers. The database servers reject all communications from the application servers which do not include an identity and use an access control list to control access from the database service consumers to the database services using address resolution access control, connection establishment access control, and data exchange access control based on said access control list. DoS attack prevention can also be performed based on consumer identities included in packets.
System and method for providing an integrated firewall for secure network communication in a multi-tenant environment
An integrated firewall provides security in a multi-tenant environment having a connection-based switched fabric directly connecting database servers which provide a plurality of database services with application servers hosting database service consumers each having a different database service consumer identity. The firewall functionality integrated into each database server provides access control by discarding communication packets which do not include a database service consumer identity and using the database service consumer identity in combination with an access control list to control access from the database service consumers to the database services. The access control includes address resolution access control, connection establishment access control, and data exchange access control based on said access control list. The integrated firewall enables direct connection of database servers and application servers via an InfiniBand network providing without requiring a separate intermediary firewall appliance or security node.
Techniques for secure debugging and monitoring
Techniques for secure debugging and monitoring are presented. An end user requests a secure token for logging information with a remote service. A secure monitoring and debugging token service provides the secure token. The remote service validates the secure token and configures itself for capturing information and reporting the captured information based on the secure token.
Temporary process deprivileging
There is disclosed in an example a computing apparatus, including: a process deprivilging engine operable for: recognizing that a process has an undetermined reputation; intercepting a first access request directed to a first resource; determining that the first resource is not owned by the process; and at least partially blocking access to the first resource. There is further disclosed a method of providing the process deprivileging engine, and one or more computer-readable mediums having stored thereon executable instructions for providing the process deprivileging engine.
Method and apparatus of detecting weak password
A method and an apparatus of detecting a weak password are disclosed. The method comprises: receiving a password to be detected; acquiring an identity information set of a user of the password to be detected, the identity information set including a plurality of pieces of identity information of the user and associated users thereof; detecting whether identity information associated with the password to be detected exists in the identity information set; and determining that the password to be detected is a weak password if the identity information associated with the password to be detected exists in the identity information set. The technical solution of the present disclosure can detect whether a password to be detected is set up by a user using identity information thereof or identity information of a user who be closely associated therewith, thus determining whether the password to be detected is prone to cracking, and thereby further improving the security of the password of the user.
Partial password-based authentication using per-request risk scores
A system that permits authentication based on a partial password, in which a risk score is assigned to an authentication request, and a minimum partial password size is generated based on the risk score. User-entered password characters are compared to one or more partial passwords having lengths equal to or greater than the minimum partial password size. If a match is found, the user is authenticated. A password similarity threshold for the request may also be generated based on the risk score, indicating a minimum level of similarity required between the user-entered password characters and the characters in a partial password, in order for there to be a match. When the user-entered password characters match a partial password, and the requesting user is authenticated, the system may stop inputting user-entered password characters, and/or transmitting the user-entered password characters to a server computer.
Unauthenticated access to artifacts in commerce networks
The disclosed embodiments provide a system that facilitates business interaction. During operation, the system identifies a non-registered entity associated with an interaction within a commerce network. Next, the system enables, for the non-registered entity, access to an artifact associated with the interaction without requiring authentication of the non-registered entity.
System and method for securing authentication information in a networked environment
This disclosure is directed to systems and methods for securely communicating authentication information in a networked environment such as one involving a client device, a cloud based computing platform, and an enterprise computing environment. Some embodiments may include encrypting, by a client device using a public key, authentication information provided by a user. The encrypted authentication information is sent to a cloud based service which then sends it to an on-premises component residing behind a firewall of an enterprise. The on-premises component decrypts the authentication information using a private key, validates the authentication information, and returns the result to the cloud based service over a network. If validated, the cloud based service establishes a secure connection between the client device and the on-premises component such that the user can access the enterprise's content without the enterprise having to share the authentication information with the cloud based service.
System and method for automatic wireless connection between a portable terminal and a digital device
A method and system are provided for automatic wireless connection to a digital device in a portable terminal, wherein information about the portable terminal is acquired. The information about the portable terminal is commonly used for automatic wireless connection to the digital device. A state of a Wireless Local Area Network (WLAN) is checked and activated, and the WLAN is set to an Ad-hoc mode. A Service Set Identifier (SSID) of the WLAN is set using the acquired portable terminal information, a security key of the WLAN is set using the acquired portable terminal information, and an Internet Protocol (IP) address of the WLAN is automatically set using the acquired portable terminal information.
Methods and apparatus for synchronizing decryption state with remote encryption state
Methods and apparatus for supporting secure packet communications, e.g., SRTP, which use implicit index numbers for synchronization and sequencing of received packets. The secure communications methods and apparatus having an adaptive index learning mode of operation and a non-adaptive index learning mode of operation. The adaptive index learning mode of operation being used to determine a correct estimated sequence number roll over counter number and the implicit index number for one of a plurality of secure packets received when an adaptive index learning process condition is satisfied.
Methods and apparatus for establishing a secure communication channel
A method for establishing a secure communication channel between an off-card entity and an embedded Universal Integrated Circuit Card (eUICC) is provided. The method involves establishing symmetric keys that are ephemeral in scope. Specifically, an off-card entity, and each eUICC in a set of eUICCs managed by the off-card entity, possess long-term Public Key Infrastructure (PKI) information. When a secure communication channel is to be established between the off-card entity and an eUICC, the eUICC and the off-card entity can authenticate one another in accordance with the respectively-possessed PKI information (e.g., verifying public keys). After authentication, the off-card entity and the eUICC establish a shared session-based symmetric key for implementing the secure communication channel. Specifically, the shared session-based symmetric key is generated according to whether perfect or half forward security is desired. Once the shared session-based symmetric key is established, the off-card entity and the eUICC can securely communicate information.
Method for routing within a mobile terminal emulating a contactless payment card
The present invention concerns the field of the emulation of contactless payment cards and more particularly the routing of the contactless communication within a device comprising several contactless payment card emulation circuits.The invention proposes a method for routing messages within an NFC controller. This controller has a table of the various applications hosted by the various secure elements. When the controller receives a request for the list of applications contained in the virtual payment card, it intercepts this request and responds with the list of the various applications accessible on the various secure elements. When a request aimed at selecting an application is received, the controller stores the secure element concerned and redirects all the messages to this element as long as it does not receive any new selection request.
DNS-based determining whether a device is inside a network
In a computing device a domain name system (DNS) query is generated and sent, and a check is made as to whether a verified DNS response to the DNS query is received. The computing device is determined to be inside a particular network if a verified DNS response is received, and is determined to be outside that particular network if a verified DNS response is not received. A DNS response can be determined to be verified if both the DNS response has an expected value and the DNS response is digitally signed by a trusted authority, and otherwise can be determined to be not verified.
Social media message delivery based on user location
An approach for delaying social media messages is provided herein. A first computing device receives user preferences. The first computing device detects a social media message of a user. The first computing device determines that the user is not in the physical location. The first computing device determines whether to delay the posting of the social media message based on a comparison of the content of the social media message with the received user preferences.
Variance detection between heterogeneous computer systems
In some implementations a computer-accessible medium includes a multimedia-document integration module that includes a heterogeneous distinction identifier between a first multimedia-document and a second multimedia-document and includes an integrator of the first multimedia-document and the second multimedia-document into an integrated multimedia-document, a data capture module that includes a data-extractor of the integrated multimedia-document, a query module that includes a query-generator encapsulated in a corresponding number of enquiry/inquiry transmissions, the enquiry/inquiry transmissions being short-message-service text-messages, a communication-subsystem that includes a transmitter of the enquiry/inquiry transmissions to an external device and receiver of an acknowledgement transmission or a negative-acknowledgement transmission from the external device, the acknowledgement/negative-acknowledgement transmission being a short-message-service text-message, and, a variance analytic module that includes a generator of quantitative variance from the acknowledgement/negative-acknowledgement transmission, the quantitative variance describing statistical variances and discrepancies within the first multimedia-document and within the second multimedia-document and between the first multimedia-document and the second multimedia-document.
Reducing power utilization by transferring communication sessions from a main processor
A computing device may conduct a communication session. The communication session may be locally controlled by a main processor of the computing device. The main processor may be in a first power mode and may maintain an active state representation of the communication session. Packets of the communication session may pass through a network interface apparatus of the computing device, and a secondary processor in the network interface apparatus may examine at least some packets of the communication session to maintain a non-active state representation of the communication session. The main processor may transfer local control of the communication session to the secondary processor. The secondary processor may activate the non-active state representation and continue conducting the communication session using the activated state representation. The main processor may also transition from the first power mode to a second power mode that uses less power than the first power mode.
Providing quality of service for containers in a virtualized computing environment
An example method is provided for a computing device to provide quality of service (QoS) for a container in a virtualized computing environment. The method may comprise receiving a traffic flow of packets from a virtual machine and identifying a container from which the traffic flow originates based on content of the received traffic flow of packets. The container may be supported by the virtual machine. The method may further comprise retrieving a QoS policy configured for the identified container. For example, the QoS policy may specify a network bandwidth allocation for the container. The method may further comprise forwarding the received traffic flow of packets according to the QoS policy.
Dynamically identifying target capacity when scaling cloud resources
Embodiments are directed to preventing flapping when auto-scaling cloud resources. In one scenario, a computer system accesses information specifying a target operational metric that is to be maintained on a plurality of cloud resources. The computer system determines a current measured value for the target operational metric for at least some of the cloud resources. The computer system further calculates a scaling factor based on the target operational metric and the current measured value, where the scaling factor represents an amount of variance between the target operational metric and the current measured value. The computer system also calculates a delta value representing a modified quantity of cloud resources modified by the calculated scaling factor and determines whether a scaling action is to occur based on the calculated delta value.
Rate adaptation across asynchronous frequency and phase clock domains
A rate adaptation system includes a barrel shift slot register and a rate adaptation register. The barrel shift slot register includes a plurality of slots with one of a valid read request or a dummy read request. A rate adaptation register is configured to sequentially cycle through the slots of the barrel shift register in response to a clock providing valid read requests to a FIFO buffer and to skip provision of valid read requests for clock cycles of the first clock associated with slots that include dummy read requests. The rate adaption register may also receive data blocks from the FIFO buffer and provide those data blocks to another FIFO buffer.
Seamless switching for multihop hybrid networks
Seamless path switching is made possible in a multi-hop network based upon stream marker packets and additional path distinguishing operations. A device receiving out-of-order packets on the same ingress interface is capable of determining a proper order for the incoming packets having different upstream paths. Packets may be reordered at a relay device or a destination device based upon where a path update is initiated. Reordering packets from the various upstream paths may be dependent upon a type of service associated with the packet.
Communication device and communication method
A communication device includes: a plurality of output ports; a plurality of queues in which packets are stored so as to be sorted into groups of packets that are output from an identical output port in an identical time period, from among the plurality of output ports; a plurality of first selectors that respectively corresponds to the plurality of output ports, and each of which switches a queue from which packets that are output from the output port are read, between the plurality of queues each time the time period elapses; and a second selector that switches a first selector from which packets are output, between the plurality of first selectors, at time intervals in accordance with output rates of packets of the plurality of output ports.
Software configurable distributed antenna system and method for bandwidth compression and transport of signals in noncontiguous frequency blocks
A method for transporting communications signals includes receiving an analog IF signal at a first unit. The analog IF signal includes a first carrier having a first frequency and a first bandwidth and a second carrier having a second frequency different from the first frequency and a second bandwidth. The analog IF signal is converted to a digitally sampled IF signal having the first carrier located in a first Nyquist zone, the second carrier located in a second Nyquist zone, an image of the first carrier located in a third Nyquist zone, and an image of the second carrier located in the third Nyquist zone. The image of the first carrier and the image of the second carrier is transmitted from the first unit to a second unit, where the image of the first carrier and the image of the second carrier is then converted to the analog IF signal.
Enhanced motor drive communication system and method
In some embodiments, a motor drive system includes a communication subassembly electrically coupled to a control subassembly for providing communication between the control subassembly and at least one external device. The control subassembly and the communication subassembly transmit and receive control data independently of messaging data, greatly enhancing performance and reducing the workload of processors on the control subassembly and communication subassembly. Additionally, the control subassembly and the communication subassembly transmit message data via sequence count based messaging. Communications between the communication subassembly and the control subassembly may include a series of timeout periods and retries, increasing reliability.
Systems and methods for analyzing network metrics
The present solution is directed to systems and methods for providing, by a device intermediary to a plurality of clients and one or more servers, analytics on a stream of network packets traversing the device. The systems and methods include the device identifying, while the device manages network traffic between the plurality of clients and the one or more servers, a stream of network packets, from a plurality of streams of network packets of the network traffic traversing the device, corresponding to a flow identifier, e.g., a selected one of an internet protocol address, a uniform resource locator or an application identifier. The systems and methods may include a collector of the analytics engine collecting, while the device manages network traffic, metrics on the identified stream of network packets and generating one or more stream objects that comprise the collected metrics.
Selective packet sequence acceleration in a network environment
A data flow is received at a network processor that includes a plurality of frames. A first set of frames in the plurality of frames are passed from the network processor to a general processor for processing by the general processor. A flow acceleration request is received at the network processor from the general processor based at least in part on inspection of a first frame in the first set of frames. The flow acceleration request is received subsequent to passing at least two of the first set of frames to the general processor. A particular frame in the plurality of frames received subsequent to the first set of frames is processed by the network processor such that it is accelerated relative to processing of the first set of frames by the general processor and bypasses the general processor.
Exploiting probabilistic latency expressions for placing cloud applications
Various exemplary embodiments relate to a method for placing components of a plurality of instances of a cloud application on nodes in a cloud infrastructure, the method including: receiving scenario probabilities of a plurality of cloud application scenarios, wherein the plurality of cloud application scenarios define the modes of operation of the cloud application; receiving cloud infrastructure performance data; defining a performance metric of the cloud application based upon cloud infrastructure performance data; defining constraints on the placement of the application components; receiving a service level agreement performance requirement based upon a probability; optimizing the placement of the components of the plurality of instances of the cloud application on nodes in the cloud infrastructure based upon the scenario probabilities, cloud infrastructure performance data, the performance metric, and the constraints on the placement of the application components to meet the service level agreement performance requirement.
Congestion aware throughput targets
Described herein is a Core Network (CN) node 200 and a Radio Access Network (RAN) node 100 and methods therein for handling quality of service, QoS, targets for traffic flows between the RAN, node and a radio terminal 300 served by the RAN node, disclosing an obtaining a number of traffic classes into which the traffic flows can be classified, and QoS targets are defined for each obtained traffic class for at least two congestion levels, and wherein the traffic classes with the associated QoS targets and congestion levels are provided to the RAN node so as to provide congestion level dependent QoS targets for the traffic classes to the RAN node.
System and method for BGP sFlow export
A method and apparatus of a device that exports Border Gateway Protocol (BGP) data in sFlow samples. The device generates separate tables for BGP attribute information, community list information, and autonomous systems path (AS_PATH) attribute information, where each entry in the BGP attribute information table is associated with an entry in the community list information table and an entry in the AS_PATH attribute information table. The device further populates a BGP route information table that defines a mapping from a network address prefix to an entry in the BGP attribute information table. The device generates a sFlow sample related to the network address prefix using the BGP attribute information table, the community list information table, the AS_PATH attribute information table, and the BGP route information table.
Switch routing table utilizing software defined network (SDN) controller programmed route segregation and prioritization
In one embodiment, an apparatus includes a memory, a hardware processor, and logic integrated with and/or executable by the processor. The logic is configured to receive one or more software defined network (SDN) routes dictating a path through a network comprising a plurality of devices. The logic is also configured to store the one or more SDN routes to the memory along with one or more traditional routes learned by the apparatus and/or configured by an administrator, and indicate the one or more SDN routes as being of a type different from the traditional routes. Moreover, the logic is configured to receive a priority ordering for a plurality of routes stored in the memory from the SDN controller, the plurality of routes including at least one SDN route, and construct a route information base (RIB) based on the plurality of routes and the priority ordering.
Apparatus and method for generating routing data used in a tree-shaped connection
An apparatus generates routing data that defines, in a system in which a plurality of switches are connected to each other in a tree-shaped structure, a communication route between a plurality of end switches located at a lower level in the tree-shaped structure and a plurality of upper-level switches located at a level higher than the plurality of end switches in the tree-shaped structure, so that a first upper-level switch that switches communication data from a first node connected to a first end switch among the plurality of end switches to a second node connected to a second end switch among the plurality of end switches is identical with a second upper-level switch that switches communication data from the second node to the first node. The apparatus stores the generated routing data in a memory provided for the apparatus.
System and method for customizing the identification of application or content type
Expertise, for performing classification of a type of network traffic, can be encapsulated in a module. A set of modules, as currently available to a traffic controller, can be referred to as a collection. Programming language constructs are introduced that facilitate the writing of modules customized to identify network traffic that is peculiar to a particular user, or to a relatively small group of users. An example programming language, based on Tcl, is introduced. A key aspect is event-driven programming, and the “when” command construct is introduced. Three important event types, that can trigger a “when” command, are CLIENT_DATA, SERVER_DATA, and RULE_INIT. Another key aspect is an ability to keep state information between events. Constructs for intra-session, intra-module, and global state are introduced. A module can be blocked from executing more than once for a session. Successful execution of a module can be specified by a “match” statement.
Data-plane driven fast protection mechanism for MPLS pseudowire services
In one embodiment, a source transmits one or more data packets to a destination over a primary pseudowire (PW). When a device on the primary PW detects a downstream failure of the primary PW, and in response to receiving one or more data packets from a source from the failed primary PW, the device adds a loopback packet identifier to the one or more received data packets, and returns the one or more data packets with the loopback packet identifier to the source upstream on the primary PW. Accordingly, in response to receiving the data packet returned with a loopback packet identifier from the primary PW (in response to the downstream failure), the source retransmits the one or more data packets to the destination over a backup PW.
Probing technique for predictive routing in computer networks
In one embodiment, network information associated with a plurality of nodes in a network is received at a device in a network. From the plurality of nodes, a node is selected based on a determination that the selected node is an outlier among the plurality of nodes according to the received network information. Then, a probe is sent to the selected node, and in response to the probe, a performance metric is received from the selected node at the device.
Adaptive bit rate media streaming based on network conditions received via a network monitor
A method includes receiving, at a device from a content source, a portion of a particular chunk of media content a particular quality level. The method includes receiving, at the device, network data about network conditions associated with the device in response to receipt of the portion. The method includes making, at the device, a determination based on the network data whether to download the particular chunk at a first quality level that is higher than the particular quality level based on the particular quality level and the data. The method includes, in response to the determination indicating to download the particular chunk at the first quality level: sending, to the content source from the device, a request for the particular chunk at the first quality level, and replacing the portion with the particular chunk at the first quality level.
Interruption cause determination device, interruption cause determination method, and recording medium stored with an interruption cause determination program
An interruption cause determination device comprising: acquiring in the memory a radio wave reception strength (RWRS) and a packet error rate (PRE) of a wireless link, and estimating a characteristic curve of the PRE against RWRS that passes through a point corresponding to a combination of values of the RWRS and the PRE at a first point in time a specific amount of time earlier than a second point in time at which the acquired PRE of the wireless link reached a threshold value or greater, under the assumption that the interference power at the first point in time is maintained; and determining the cause of interruption based on a positional relationship of a point corresponding to a combination of values of the RWRS and the PRE at the second point in time, with respect to the estimated characteristic curve of the PRE against RWRS.
Micro-OAM for link groups
Networks devices interconnected via link groups may implement micro operations administration and maintenance (micro-OAM) sessions. The micro-OAM sessions may be used to monitor the status of individual links within the link groups at small time scales. The micro-OAM session may be implemented on a non-internet protocol (non-IP) layer. In some cases, independent micro-OAM sessions may be used to monitor different links within a link group.
Methods and systems for displaying network performance information
A method for displaying network performance information by selecting an aggregated end-to-end connection profile, and then displaying network performance information corresponding to the aggregated end-to-end connection profile. The network performance information corresponding to the aggregated end-to-end connection profile is retrieved from a local storage unit or a remote storage unit. The aggregated end-to-end connection profile is corresponding to an aggregated end-to-end connection comprising a plurality of end-to-end connections. In one embodiment, identities of all WAN interfaces corresponding to the aggregated end-to-end connection are displayed. Alternatively, identities of a plurality of WAN interfaces corresponding to the aggregated end-to-end connection are displayed, where the plurality of WAN interfaces are selected according to a policy or a user's selection. Furthermore, a message may be displayed for helping the user to select end-to-end connections for transmitting and receiving data packets based on the network performance information.
Devices and methods supporting content delivery with adaptation services with provisioning
A device supporting content delivery is configured to run at least one content delivery (CD) service of a plurality of CD services. The plurality of CD services include adaptation services with provisioning.
Method and apparatus for managing a network
A method and an apparatus for managing a network are disclosed. For example, the method collects a plurality of call detail records (CDRs), and organizes one or more parameters of the CDRs in accordance with a plurality of cause codes. The method displays the one or more parameters of the CDRs in a hierarchical representation comprising a plurality of screen displays.
Method and apparatus of an intuitive web based command line interface
A device that generates suggested command completions for a distributed storage system is described. In an exemplary embodiment, the device receives a command token from a management client, wherein the command token is a partial command for the distributed storage system. In addition, the device retrieves a plurality of complete commands for the distributed storage system; wherein one of the plurality of complete commands includes a parameter based on a current configuration of the distributed storage system. The device further determines a subset of the plurality of complete commands that match the command token. The device sends the subset of the plurality of complete commands to the management client.
Seamless segment routing
A method, apparatus, and computer readable medium are disclosed. In one embodiment of the method, a packet and a segment ID stack is received at a first segment routing enabled node. The segment ID stack includes a plurality of segment IDs, one or which is a first area-segment ID that identifies a first area of a subdivided segment routing network. An egress interface of the first segment routing enabled node is selected based on the first area-segment ID. Thereafter, the packet is forwarded via the selected egress interface.
Method and apparatus for managing virtual networks via cloud hosted application
An apparatus and method for providing a cloud hosted application able to manage virtual network (“VN”) is disclosed. In one embodiment, a process of managing VN using virtual machines (“VMs”) receives a message or request from a user requesting a new VN to be built. The request is sent from a dashboard to a network orchestrator via a communication network. The orchestrator is a VN manager able to facilitate building a VN based on users' input. In one aspect, the orchestrator provides a set of templates that represent VN devices or components to users for facilitating construction of VN. After configuring a VN, a cloud capable of hosting the network is selected. The network or VN is subsequently launched using at least a portion of computing resources allocated in the cloud.
Data completion for managed objects
A method of carrying out a self-configuration process in respect of a network element in a cellular wireless network including the steps of: generating first configuration parameters at a domain manager level; determining required second configuration parameters which are not to be generated at the domain manager level; notifying a network manager level of the first configuration parameters and the second configuration parameters to cause this level to generate and provide the second configuration parameters and to provide them to the domain manager level; and using the first configuration parameters and the second configuration parameters at the domain manager level to configure the network element.
Computer system to support failover in an event stream processing system
In a system, a first status of a first ESP engine (ESPE) executing at a first computing device is determined as newly active; a last published event block object identifier is determined as an identifier uniquely identifying a last event block object published to an out-messaging network device; a next event block object having an event block object identifier greater than the determined last published event block object identifier is selected from a first computer-readable medium; and the selected next event block object is published to the out-messaging network device. A first event block object is received from a second ESPE executing at a second computing device. A first status of the second ESPE is determined as standby by the second computing device. The received first event block object is stored by the second computing device in a second non-transitory computer-readable medium.
Evaluation of field replaceable unit dependencies and connections
To select a master controller from a plurality of controllers, a computing system may consider whether connections between components within field replaceable units (FRUs) are functional as well as the data dependencies between the FRUs. For example, in addition to identifying whether the connections between the FRUs and the controllers are functional, the computing system sends instructions to each of the FRUs coupled to the controllers to determine if inter- and intra-FRU connections required for booting a compute node hosting the FRUs are functional. For instance, one FRU may depend on data from another FRU in order to boot. If a communication link between the FRUs is non-functional, the compute node may fail to boot. The computer system uses these evaluations to determine which of the controllers to select as the master.
Node marking for control plane operation
A system assigns, to selected network devices in an intelligent transport network, a policy domain marker that identifies a particular network operation policy. The network devices that receive the policy domain marker delineate a region of enforcement for the particular policy. After an appropriate waiting period to permit the selected network devices to advertise their policy domain marker, the system distributes, to all network devices in the intelligent transport network that support control plane signaling or control plane routing, an enforcement signal to enforce the particular network operation policy for the delineated region.
Resilient routing based on a multi-channel model for emergency management
There is provided a system and method for resilient routing based on a multi-channel model for emergency management. The system includes a packet delivery anomaly detector for determining an existence of an anomaly in a mandated routing infrastructure for a packet that renders the packet incapable of reaching a destination node designated for the packet through the mandated routing infrastructure. The system further includes a dynamic alternate route identifier for dynamically identifying alternate routes for the packet responsive to a determination of the existence of the anomaly. The alternate routes are outside the mandated routing infrastructure, are provided using one or more mobile devices external to and not part of the mandated routing infrastructure, and are dynamically identified responsive to at least geographic location information. The system also includes a wireless transmitter for wirelessly routing the packet using at least one of the alternate routes.
Method and system for transforming video streams using a multi-channel flow-bonded traffic stream
A flow bonder at a CMTS and another at a cable modem distribute packets of a service flow over multiple channels and collect them in the downstream direction respectively; vice versa in the upstream direction. The service flow may include video and data streams that are provided to the CMTS via an IP network. IP header information is stripped form video packets and remultiplexed with packets of other video streams. The remultiplexed video stream packets are combined into a composite stream, which is transported using multiple bonded-flow RF channels over an HFC.A set top box receives the composite stream and separates data from video packets based on IP information. Video packets are assembled according to information from a multiple program transport stream table based on a program selected by a user.
Aliasing enhanced OFDM communications
A system comprises an analog front end (AFE), an analog-to-digital converter (ADC), and alias detection circuitry. The AFE may be operable to receive an analog signal via a communication medium, wherein a first frequency band of the analog signal is occupied by an OFDM symbol and a second frequency band of the analog signal is occupied by first aliases generated during digital-to-analog conversion of the OFDM symbol. The ADC is operable to digitize the particular band of the analog signal to generate a digital signal, wherein, during the digitization, aliasing of the first aliases results in second aliases which fall into the first frequency band. The alias detection circuitry is operable to detect the second aliases in the first frequency band of the digital signal, and process the digital signal based on the detected second aliases to generate an output signal.
Calibration technique for a tap value in decision feedback equalizers
A method of calibrating coefficients of a calibrated decision feedback equalizer (DFE) across a process, voltage, and temperature (PVT) range, the calibrated DFE comprising a plurality of DFE taps for reducing distortions of an input signal, and a sampler for sampling the input signal, the method including applying a preset voltage to an input of the calibrated DFE, setting a DFE tap of the plurality of DFE taps to a maximum value, generating a source reference, via a source reference calibrator, to apply to the DFE tap, changing the source reference to a first level that causes an output of the sampler to transition from a first state to a second state, determining the first level as a calibrated source reference, and applying the calibrated source reference to the DFE tap during normal operation of the calibrated DFE.
Techniques for routing from an endpoint with simultaneous associations to multiple networks
A node within a wireless endpoint device may be coupled to multiple heterogeneous networks simultaneously. The node is configured to select between the different networks based on various constraints associated with the endpoint device, applications executing on the endpoint device, traffic routed by the endpoint device, and constraints associated with the multiple networks. Based on these different constraints, and based on the current operating mode of the node, the node rates each network, and then selects the network with the highest rating to be used for routing purposes.
System and method of controlling external apparatus connected with device
A method of controlling an external apparatus includes: receiving an input command of a user and biometric information of the user from a device; determining a condition for controlling the external apparatus and operation of the external apparatus based on the received input command of the user and the received biometric information of the user; and providing a control command for controlling the operation of the external apparatus if the determined condition is satisfied.
Computer-based flow synchronization for efficient multicast forwarding for products and services
A method for synchronizing multicast message subflows in a switched network includes associating, with a processing device, a first destination identifier corresponding to a multicast message with a first queue that corresponds to a first output port of a switching device, associating, with a processing device, a second destination identifier corresponding to the multicast message with a second queue that corresponds to a second output port of the switching device, pausing the first queue in response to a message counter corresponding to the first queue crossing a first predetermined threshold, and unpausing the first queue in response to the message counter crossing a second predetermined threshold, wherein the message counter indicates a quantity of data that has been forwarded by the first queue but remains to be forwarded by the second queue.
Service discovery across different networks
Technologies for service discovery and media sharing are disclosed. A described technique includes receiving, at a first device, service information for a streaming service provided by a second device, the first device and second device being on different first networks, the first networks being different local multicast networks; inserting an entry in a multicast domain name system (mDNS) cache of the first device based on the service information such that the streaming service is (i) discoverable by the first device via a mDNS query and (ii) accessible through a second network that interconnects the first networks; and sending streaming information from the first device to the second device through the second network for the streaming service.
Method, apparatus, and system for increasing network security
Embodiments of the present invention disclose a method, an apparatus, and a system for increasing network security. The method for increasing network security includes: receiving, by a network management system, a certificate message reported by a network element; generating, by the network management system, a first list; when determining that a certificate corresponding to certificate information in the first list needs to be revoked, generating, by the network management system, a certificate revocation request file according to the certificate information, and removing the certificate information in the first list from the first list; and sending, by the network management system, the certificate revocation request file to a public key infrastructure (PKI) system.
Method for creating a derived entity of an original data carrier
There is provided a method for creating an authentication entity derived from an original data carrier, wherein the original data carrier has a key pair that is individual to the original data carrier and comprises a public key and a secret key of the original data carrier, and a certificate for the public key of the original data carrier. The method comprises the following steps: deriving a secret key for the derived authentication entity from the secret key of the original data carrier by the original data carrier; forming derivation data for the derived authentication entity; transferring authentication data to the derived authentication entity, wherein the authentication data have the derivation data, the certificate of the public key of the original data carrier as well as a derived key pair which comprises the derived secret key and the public key of the original data carrier.
Digital signature method
A method for signing and subsequently verifying a digital message, including the following steps implemented using at least one processor-based subsystem: selecting parameters including an integer q and a relatively smaller integer p that is coprime with q; generating random polynomial f relating to p and random polynomial g relating to q; producing a public key that includes h, where h is equal to a product that can be derived using g and the inverse of f mod q; producing a private key from which f and g can be derived; storing the private key and publishing the public key; producing a message digest by applying a hash function to the digital message; producing a digital signature using the message digest and the private key; and performing a verification procedure utilizing the digital signature and the public key to determine whether the signature is valid.
Digitally signing JSON messages
Key sharing device and system for configuration thereof
A method of configuring a network device for key sharing and a method for a first network device to determine a shared key are provided. The method of configuring uses a private modulus (p1) a public modulus (N), and a bivariate polynomial (f1) having integer coefficients, the binary representation of the public modulus and the binary representation of the private modulus are the same in at least key length (b) consecutive bits. Local key material for a network device is generated by substituting an identity number into the bivariate polynomial and reducing modulo the private modulus the result of the substitution to obtain a univariate polynomial. Security may be increased by adding (440) one or more obfuscating numbers to coefficients of the univariate polynomial to obtain an obfuscated univariate polynomial. In a use phase, the network device determines a shared cryptographic key, by substituting (530) the identity number of another network device into the univariate polynomial and reducing modulo the public modulus and reducing modulo a key modulus.
Method and apparatus for quantum cryptographic communication
An apparatus for quantum cryptographic communication includes a light source configured to generate an optical pulse which is transmitted to a plurality of quantum code sending devices, and a quantum entanglement measuring unit configured to receive the optical signal generated from each of the plurality of quantum code sending devices and measure a relation among quantum states of the optical signals received from the plurality of quantum code sending devices; the optical signal being generated by encoding a key to a quantum state of the optical pulse. The apparatus for quantum cryptographic communication may further include a signal direction determining unit, a reflector for reflecting the optical pulse or the optical signal, an arbitrary phase shifter, or a modulator for encoding a digital signal corresponding to the key to the optical pulse.
An inner-product predicate encryption scheme with improved flexibility without a restriction that the dimensions of an attribute vector x→ and a predicate vector v→ should be equivalent. A ciphertext having an element c0 and an element ct for each index t included in a set Ix→ is decrypted with a decryption key having an element k0 and an element kt for each index t included in a set Iv→ by computing a product of pairing operations between corresponding pairs of basis vectors on the element c0 and the element k0 and on the element ct and the element kt.
Information processing method, recording medium, and information processing apparatus
An information processing method according to an embodiment causes a computer to execute a process of receiving an input of matching information encrypted with an encryption algorithm allowing a Hamming distance to be calculated with the matching information encrypted. The information processing method also causes the computer to execute a process of calculating a first Hamming distance between the received matching information and registered information that is different from encrypted registered information of a user, the registered information being encrypted with the encryption algorithm, using a processor. The information processing method also causes the computer to execute a process of determining legitimacy of the matching information based on whether the calculated first Hamming distance falls into a distance distribution representing matches with another person that is different from the user, using a processor.
Complex format-preserving tokenization scheme
Methods, computing systems and computer program products implement embodiments of the present invention that include defining multiple primitives, each of the primitives including ranking and unranking methods. Two or more of the multiple primitives are selected, and an operation is performed on the selected primitives, thereby defining a complex format. Upon an encryption processor receiving a data record including a plaintext, the complex format is applied to the plaintext, thereby generating a non-reversible token. In some embodiments, the generated token is transmitted a remote computer.
Network services via trusted execution environment
A device includes one or more communication interfaces that communicate via at least one link or a network; a device memory; a device processing unit; and a Trusted Execution Environment (TEE) that is secure from the device processing unit and the device memory. The TEE obtains a public encryption key and a private encryption key pair, stores the private encryption key in a secure memory in the Trusted Execution Environment (TEE), and executes a first trusted application, within the TEE, to perform a PKI function using the private encryption key.
Distribution of dynamic accuracy information in a network of IEEE 1588 clocks
An intermediate clock, either a boundary or a transparent clock, may have to adjust its local clock to match that of a grandmaster clock. If such adjustment is frequent or large, then the intermediate clock may not have much confidence in the reliability of the timing information it passes to a downstream clock in an IEEE 1588 Announce message even if the quality of its local clock is high. The intermediate clock determines a measure of the reliability of its timing information. The intermediate clock inserts an indication of the reliability of the timing information in a transmitted IEEE 1588 Announce message. The intermediate clock may consider an indication of reliability found in an Announce message it receives when inserting an indication of the reliability of timing information into an Announce message which it transmits.
Parallel use of serial controls in improved wireless devices and power amplifier modules
A power amplifier module can include one or more switches, a coupler module, input signal pins, and a controller having first and second output terminals. The input signal pins can receive a voltage input/output signal, a clock input signal, and a data input signal. The controller can (i) set a mode of the one or more switches using a synchronous communication protocol in which the controller outputs a synchronous clock signal on the first output terminal and a data signal on the second output terminal, when the power amplifier module is in a first operating mode, or (ii) set a mode of the coupler module using an asynchronous communication protocol in which the controller outputs a first asynchronous control signal on the first output terminal and a second asynchronous control signal on the second output terminal, when the power amplifier module is in a second operating mode.
Received signal processing device, communication system, and received signal processing method
A carrier recovery unit is provided including: separation-and-output section that outputs separated symbol group formed into block; a priori state-estimation section that obtains a priori estimate acquired by estimating values processed this time from among values of intra-block frequency and central phase processed last time; provisional compensation section that provisionally compensates the phase of each separated symbol based on the a priori estimation phase; decision section that performs decision based on the reference signal for the symbol before decision, and obtains symbol after decision; error-estimation section that calculates the frequency and phase errors; a posteriori state-estimation section that obtains a posteriori estimate based on the frequency and phase errors; actual compensation section that actually compensates the phase based on the a posteriori estimation phase; and feedback processing section that feeds back the a posteriori estimate as the values processed last time to the a priori state estimation section.
Clock domain bridge static timing analysis
Examples for performing static timing analysis on clocked circuits are described. An example static timing analysis computing device includes a logic device, and a storage device holding instructions executable by the logic device, the instructions including instructions executable to receive an input representative of one or more delays within a signal path in a cross-domain circuit, the cross-domain circuit configured to transfer data between a first domain having a first clock and a second domain having a second clock asynchronous with the first clock, receive an input representative of a static timing analysis constraint to be met by a signal traveling the signal path in the cross-domain circuit, apply the constraint in a static timing analysis of the signal path in the cross-domain circuit, and output a result based upon applying the static timing analysis constraint.
Method and apparatus for managing processing in TDD frames to enable power dissipation reduction
The present invention relates to methods and apparatuses for managing the time slots in time division duplex (TDD) frames in an xDSL system. According to certain aspects, power savings in a TDD system operating with vectoring may be achieved with sending of quiet symbols in time slots that do not have data and through the efficient configuration of time slots with data and/or idle symbols so as to limit the amount of processing by the vectoring engine within the DO portion of each TDD frame. In embodiments, a central controller in a DPU monitors the data buffers at the transmitter input on each line and computes an optimal configuration of the time slots in the DO portion of the TDD frame to achieve an optimal balance between performance and power dissipation.
Frequency spectrum and modulation scheme allocation for high speed data networks
Embodiments provide solutions to reduce power utilization (either at individual cable modems or in the overall network) in future cable modem networks. Particularly, embodiments seek to reduce power utilization at individual cable modems and in the overall network, by allocating upstream frequency bands and/or transmission modulation schemes among cable modems while accounting for cable loss experienced by individual upstream cable modem transmissions. According to embodiments, frequency spectrum and modulation scheme allocation techniques are provided to optimize power utilization and enable lower upstream transmission power by cable modems while maintaining similar signal strength of received signals or lower signal strength with reduced SNR requirements using lower capacity modulation at the headend.
Asymmetric TDD in flexible use spectrum
A method according to an embodiment of the invention includes receiving and transmitting signals over a time division duplex (TDD) communication path. Signals are received over the TDD communication path via a first portion of a first frequency band. The first frequency band is adjacent to a second frequency band and to a third frequency band. The first frequency band is different from the second frequency band and from the third frequency band. A first frequency division duplex (FDD) communication path can be operable in the second frequency band. A second FDD communication path can be operable in the third frequency band. Signals are transmitted over the TDD communication path via a second portion of the first frequency band that is different from the first portion of the first frequency band.
Methods for dynamic TDD uplink/downlink configuration
A method and apparatus for Time Division Duplex (TDD) operation in a wireless transmit/receive unit (WTRU) are disclosed. The method includes receiving a first TDD uplink (UL)/downlink (DL) configuration for a serving cell, receiving a second TDD UL/DL configuration for the serving cell, receiving an indication of directions to use for subframes with conflicting directions between the first TDD UL/DL configuration and the second TDD UL/DL configuration, using the first TDD UL/DL configuration for timing of UL scheduling and UL Hybrid Automatic Repeat Request (HARQ), using the second TDD UL/DL configuration for timing of DL scheduling and DL HARQ, and determining a direction for each subframe with conflicting directions based on the received indication, wherein on a condition that the determined direction for a subframe with conflicting directions is DL, receiving in the subframe in the DL.
Radio transceiver for virtual full duplex communication using unused resources
A radio transceiver and corresponding method include a transmission unit configured to transmit an uplink signal to a base station. A receiving unit is configured to receive a relay signal, which comprises the uplink signal and a downlink signal received from the base station. An extraction unit is configured to extract the downlink signal from the relay signal based on the uplink signal.
Method for making a terminal send an uplink ACK/NACK signal in a wireless communication system using carrier aggregation techniques and apparatus for the same
The present application discloses a method for making a terminal send an uplink ACK (acknowledgement)/NACK (negative ACK) signal in a wireless communications system. Specifically, the method includes the steps of: receiving at least one downlink data signal from a network through at least one of a first and second cells; generating an ACK/NACK signal corresponding to the at least one downlink data signal; and sending the ACK/NACK signal through one of the first and the second cells, wherein the structure of the ACK/NACK signal is determined based on the number of the downlink data signals, and if the number of the downlink data signals is plural, the structure of the ACK/NACK signal is first type, and if receiving one downlink data signal through the first cell only or the second cell only, the structure of the ACK/NACK signal is second type.
Method and base station for coordinated multi point data transmission
A method and base station for coordinated multi point data transmission are disclosed. The method includes: a base station receiving a per-cell CQI value reported by a UE; looking up an SINR-CQI mapping table according to the per-cell CQI value, and acquiring a subband/broadband SINR value; performing CQI recalculation according to the subband/broadband SINR value, and acquiring a recalculated subband/broadband CQI value; and selecting modulation and coding according to the recalculated subband/broadband CQI value to schedule data transmission. With the method and base station of the embodiments of the present document, in a CoMP system, in a joint transmission scenario, the accuracy of the CQI value used by the BS for scheduling is improved, and the oscillation during an AMC process is reduced.
System and method for OFDMA tone allocation in next generation Wi-Fi networks
An orthogonal frequency division multiple access (OFDMA) frame tone allocation includes a 256 tone payload consisting of 228 data and pilot tones and 28 null tones. The 28 null tones consist of guard tones and at least one direct current (DC) tone. In one example, the 256 tone payload consists of 224 data tones, 4 common pilot tones, and 28 null tones. In another example, the 256 tone payload consists of 222 data tones, 6 common pilot tones, and 28 null tones. In yet another example, the 256 tone payload may consist of 220 data tones, 8 common pilot tones, and 28 null tones. The OFDMA frame may be a downlink OFDMA frame or an uplink OFDMA frame.
Managing time offset and frequency drift in asynchronous DOCSIS remote PHY network environments
An example method for managing time offset and frequency drift in asynchronous Data Over Cable Service Interface Specification (DOCSIS) Remote Physical layer (R-PHY) network environments is provided and includes receiving, at a first hardware device, time synchronization message from a remote second hardware device in the DOCSIS R-PHY network, determining a time difference between a first clock at the first hardware device and a second clock at the second hardware device from the time synchronization message; and re-stamping an event message based on the time difference.
Method and apparatus for sending and receiving HARQ-ACK feedback information
A method and an apparatus for sending Hybrid Automatic Repeat Request acknowledgement (HARQ-ACK) feedback information are provided. The User Equipment (UE) receives a Physical Downlink Control Channel (PDCCH) and a Physical Downlink Shared Channel (PDSCH) sent by a base station, determines a number of downlink subframes corresponding to the HARQ-ACK feedback information sent in the PUSCH of each CC in the current uplink subframe, the Uplink (UL) Downlink Assignment Index (UL DAI) obtained from the UL Grant of the PDCCH, a sum of the number of PDSCH subframes received from a HARQ-ACK bundling window and a number of PDCCHs indicating the downlink SPS releasing, and a size of the HARQ-ACK bundling window, and sends HARQ-ACK feedback information of each CC via the PUSCH in the current uplink subframe. A number of bits of the HARQ-ACK feedback information of each CC is determined according to the number of the downlink subframes.
Transmission of acknowledgment of short duration
A method is provided for sending an acknowledgement frame by a receiving entity. The method includes: subsequent to reception of a data frame sent by a sending entity and including a synchronization field containing an invariant item of information known to the entities and an identification field containing information identifying the sending entity and the receiving entity, sending an acknowledgment frame including a synchronization field; and calculating a signature of a transmission channel between the sending entity and the receiving entity, the synchronization field of the acknowledgment frame being obtained on the basis of the synchronization field of the data frame, by using the signature.
Multi-stream demodulation schemes with progressive optimization
A data symbol vector comprising a plurality of data symbols is received. The data symbol vector corresponds to a transmitted data symbol vector comprising a corresponding plurality of transmitted data symbols. Data values are estimated for transmitted data symbols in a first group of transmitted data symbols using a hard-decision technique. One or more iterations of refining estimated data values for at least one of the transmitted data symbols in the first group are performed based on estimated data values for the other one or more transmitted data symbols in the first group. Likelihood values for bits corresponding to transmitted data symbols in a second group of transmitted data symbols are calculated using a soft maximum-likelihood (ML) technique based on the estimated and refined data values of transmitted data symbols in the first group.
Extracting zero cross information in a powerline communication device
A powerline communication (PLC) device can be configured to execute functionality for zero cross sampling and detection. When the PLC device is directly coupled to a high-voltage PLC network, the PLC device can comprise printed safety capacitors in series with a high-voltage input AC powerline signal to safely couple the high-voltage AC powerline signal to the low-voltage processing circuit. The PLC device can also comprise an ADC to sample a scaled AC powerline signal and to obtain zero cross information. When the PLC device is part of an embedded PLC application, dynamic loading can affect the integrity of a low voltage zero cross signal that is used to extract zero cross information. After digitizing the zero cross signal, the PLC device can execute functionality to minimize/eliminate voltage drops caused by dynamic loading and obtain the zero cross information.
Reciprocity detection and utilization techniques for beamforming training
Reciprocity detection and utilization techniques for beamforming training are described. In one embodiment, for example, an apparatus may comprise a station (STA) comprising logic, at least a portion of which is in hardware, the logic to perform an initiator transmit sector sweep (TXSS) to select an initiator transmit (TX) sector, perform a beamforming reciprocity test using the selected initiator TX sector, and determine whether to perform directional reception using a reciprocal initiator receive (RX) sector for the initiator TX sector based on an outcome of the beamforming reciprocity test. Other embodiments are described and claimed.
Antenna and transceiver for transmitting a secure signal
An accelerated superluminal polarization currents (ASPC) transceiver includes an ASPC transmitter including a plurality of ASPC radiator elements, the ASPC transmitter transmitting a radio signal that is focused in a target direction and scrambled in other directions; and a radio receiver, wherein the center of a pulse of the radio signal has a transit time tc from an end of the ASPC transmitter, at a first position −x0, to a second position x along the ASPC transmitter given by the following equation: tc=[R2+x02+2Rx0 cos ψ0]1/2−[R2+x2+2Rx cos ψ0]1/2, where R is a target distance from the ASPC transmitter and ψ0 is a target angle and x + x 0 t c > c .
Dense wavelength division multiplexing and single-wavelength transmission systems
A data transceiver module, data transmission system incorporating same and methods related thereto, which include optical transmitters configured to receive an information bearing signal and generate an optical signal having a wavelength different from wavelengths generated by others of the plurality of optical transmitters; optical receivers configured to receive an optical signal having a wavelength matching one of the plurality of optical transmitters and convert it to an information bearing electrical signal; and a four level pulse-amplitude-modulator (PAM4) chip generating a pulse-amplitude-modulated information bearing signal input to at least one optical transmitter of the plurality of optical transmitters and receiving the information bearing from at least one optical receiver of the plurality of optical receivers and converting it to an information signal using pulse amplitude demodulation. Alternative embodiments include coherent-detection-based optical coherent receiver and coherent transmitter.
Method of handling HARQ resource in TDD system and related communication device
A method of determining hybrid automatic repeat request (HARQ) resource of a UL subframe for an advanced communication device comprises determining a first new association set of the UL subframe according to an association set of the UL subframe of a first UL/DL configuration of a legacy communication device; configuring a mapping between at least one sequence index of the UL subframe of the first UL/DL configuration and the first new association set according to the first UL/DL configuration; and determining the HARQ resource of the UL subframe according to the mapping and the first new association set.
Frequency difference determination
A receiver having a test signal generator configured to generate a test signal that free of a requirement to be frequency locked, and to measure a frequency of the test signal; and a local oscillator signal source configured to tune a local oscillator signal to a difference frequency with respect to the measured test signal frequency, wherein the difference frequency falls within a passband of a passband filter of the receiver.
Architecture and control of analog self-interference cancellation
An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
Noise management for communication system
A duplex communication system having gate-implemented noise management is contemplated. The system may include a gate or other device sufficiently operable to facilitate managing upstream and downstream signaling so as to ameliorate noise funneling between communicating endpoints by selectively controlling communication paths through which noise may be propagated. Optionally, the system may be operably configured to facilitate this type of gate-implemented noise management for time domain duplex (TDD) and frequency domain duplex (FDD) communications.
A pairing device for establishing a secure wireless communication path between a first device having a first body-coupling communication interface and a second device having a screen. The pairing device includes a screen communication interface having a light sensor, which, in conjunction with the screen of the second device, allows definition of a light-based communication path for the transmission of a first pairing information from the second device to the pairing device, a calculator for generating a second pairing information once the first pairing information has been received by the pairing device, a second body-coupling communication interface, which in conjunction with the first body-coupling communication interface allows the definition of a body-coupling communication path for the transmission of the second pairing information from the pairing device to the first device, the second pairing information allowing the establishment of a secure wireless communication path between the first device and the second device.
Optical transmitter, subscriber side device, and light source temperature change suppression method
An optical signal generation section and a transmitter control section are provided. The optical signal generation section includes a light source, a temperature adjuster that adjusts a temperature of the light source, and a light amplifier that amplifies light generated by the light source and generates burst signals. The transmitter control section includes a temperature change suppresser that sends a temperature suppression signal to the temperature adjuster, the temperature suppression signal reporting a temperature suppression amount that is to suppress a temperature change of the light source caused by burst signal generation at the light amplifier. The temperature adjuster receives the temperature suppression signal at least a duration that the temperature adjuster requires for temperature adjustment before a timing at which the light amplifier is to generate a burst signal.
SATA host bus adapter using optical signal and method for connecting SATA storage using the same
Disclosed herein are a SATA host bus adapter using a optical signal and a method for connecting SATA storage using the optical signal. The SATA host bus adapter includes: a first conversion unit for converting a PCI-Express signal, transmitted from a host computer, into a data signal, using a protocol defined in a bus; a optical signal conversion unit for converting the data signal into a optical signal and for transmitting the optical signal to a optical signal reception unit; and a second conversion unit for converting the optical signal, received by the optical signal reception unit, into the data signal, for converting the data signal into a SATA signal, using the protocol, and for transmitting the SATA signal to the SATA storage.
Method and apparatus for discovery and association for visible light communications (VLC)
A visible light communication (VLC) device and method for discovery and association with a VLC infrastructure node are disclosed. The VLC device is configured to receive a beacon frame from a VLC infrastructure node. The VLC device is further configured to transmit an association request to the VLC infrastructure node. The association request includes an indication of physical layer (PHY) capabilities and an indication of medium access control (MAC) capabilities of the VLC device. The VLC device is further configured to receive an association response from the VLC infrastructure node. The association response includes information for use in communicating with the VLC infrastructure node.
Wavelength division multiplexing system and method including wavelength monitoring
A wavelength division multiplexing system and method featuring a wavelength monitor that is configured to receive a portion of a combined signal of wavelength division multiplexing channels and determine the wavelengths of each channel or the guardband between each channel in the combined signal. The wavelength monitor determines if there is excess laser drift for each channel in the combined signal. If excess laser drift is determined, feedback is sent to the transmitter for the signal with excess laser drift and the signal is adjusted to produce a target wavelength. The wavelength monitor may utilize optical intradyning in order to monitor the wavelengths of each channel in the combined signal.
Channel performance monitoring and an optical communication system using same
A method is provided for carrying out channel performance monitoring in an optical communication system. The method comprising: receiving an optical signal; obtaining digitized samples associated with the optical signal; storing the digitized samples; carrying out an off-line processing of the stored samples. The off-line processing includes: using the digitized samples to determine information characterizing the at least one optical channel used for conveying the optical signal; using the determined information to estimate a value of at least one optical channel performance parameter characterizing the at least one optical channel; and forwarding the value of the at least one optical channel performance parameter to a network management element; and wherein the at least one optical channel performance parameter is estimated without a prior knowledge of information on a modulation format associated with the optical channel.
Backup communications scheme in computer networks
Various techniques for managing communications backup for computer networks are disclosed herein. In one embodiment, a method includes detecting an abnormal operating condition at a primary network node, the primary network node being coupled to a computing device via a first optical connection between an optical switch and the primary network node. In response to the detected abnormal operation condition, the method includes prompting the optical switch to switch from the first optical connection to a second optical connection between the optical switch and a standby network node. The method further includes instructing the standby network node to facilitate communications with the computing device based on the replicated network configuration.
Statefulness among clustered satellite platforms
Systems, methods, and software described herein provide enhancements for deploying applications in satellites. In one example, a satellite may receive software applications capable of execution as virtual nodes on the satellite, and receive a resource schedule associated with the software applications. The satellite may further execute the software applications on the satellite based on the resource schedule, wherein the resource schedule allocates processing resources and user sensor resources to the software applications.
Hierarchical distributed antenna system
The present document is for a wireless communication with reduced internal signaling burden in the distributed antenna system (DAS). In the proposed method, a user equipment (UE) receives signals, from the network, by multiple distributed unit (DUs) distributed within the UE, wherein the multiple DUs comprise one or more main DUs and one or more sub DUs; reports, by the sub DUs, first reception information of the signals to one of the main DUs; reports, by the one of the main DUs, second reception information of the signals to a central unit (CU) controlling the multiple DUs based on the first reception information of the signals; and determines, at the CU, which one or more DUs among the multiple DUs are to transfer the received signals to the CU based on the second reception information of the signals.
Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping
Disclosed is a sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna. The sounding reference signal performs frequency hopping so that the base station determines the channel condition for the entire bandwidth to which data is transmitted in the uplink system. In this environment, the sounding reference signal is transmitted through an antenna pattern through the entire data transmission bandwidth of the uplink system for each antenna of the terminal without additional overhead.
Signaling of antenna associations
For future wireless systems, it is desired to keep network implementation aspects, such as transmission point selection, precoder selection, etc, transparent to the terminal. This means that terminals are envisaged to be unaware of e.g. from which specific network node a transmission is made. This may be referred to as the transparency principle. The proposed solution comprises enabling a receiver to determine a type of antenna association that may be assumed in regard of two blocks of information, based on the result of the decoding of e.g. the first data block. The determination is done in a way such that the principle of transparency is not broken.
Method and apparatus for estimating communication channel in mobile communication system
A method of receiving a signal by a receiver in a mobile communication system is provided. The method includes: receiving a reference signal from a transmitter; determining first channel information based on the received reference signal; receiving a data signal based on the first channel information; and determining second channel information based on the received data signal and the first channel information. Iterative channel estimation is performed to reduce channel estimation errors by determining errors of signals received from a turbo decoding unit and using symbol information as pilots even in subcarriers where the pilot signals are not transmitted, and to increase the accuracy of LLR calculation through an iteration process such as a detection and decoding process in comparison with the conventional technology, thereby increasing the reception performance of the turbo decoding unit and improving communication efficiency.
Backhaul signal compression through spatial-temporal linear prediction
The technology in this application compresses multi-antenna, complex-valued signals by exploiting both a spatial and a temporal correlation of the signals to remove redundancy within the complex-valued signals and substantially reduce the capacity requirement of backhaul links. At a receiver, the compressed signal is received, and a decompressor decompresses the received signal over space and over time to reconstruct the multiple antenna stream.
Multistage combining sub-system for distributed antenna system
A multistage combining sub-system for a distributed antenna system (“DAS”) is disclosed. The combining sub-system can receive broadband uplink signals from remote units of the DAS. The sub-system can divide the received broadband uplink signals into sets of narrowband uplink signals. The combining sub-system can select subsets of narrowband uplink signals from the sets of narrowband uplink signals. The subsets can be selected based on the narrowband signals in the subsets having signal powers above a threshold signal power. The combining sub-system can combine the selected subsets of narrowband uplink signals for routing to a base station. Combining the selected subsets of narrowband uplink signals can involve excluding narrowband uplink signals that are not included in the selected subsets of narrowband uplink signals.
Information processing apparatus, control method therefor, and computer-readable storage medium
Communication with an operation device is performed by power generated when a communication portion included in the operation device comes close to within a predetermined distance range of an information processing apparatus. While communication with the communication portion is established, the operation of the information processing apparatus is controlled in accordance with information acquired via the communication portion of the operation device.
Proximity sensing using EHF signals
A system for sensing proximity using EHF signals may include a communication circuit configured to transmit via a transducer an EM signal at an EHF frequency, and a proximity sensing circuit configured to sense a nearby transducer field-modifying object by detecting characteristics of a signal within the communication circuit. A system for determining distance using EHF signals may include a detecting circuit coupled to a transmitting communication circuit and a receiving communication circuit, both communication circuits being mounted on a first surface. The transmitting communication circuit may transmit a signal toward a second surface, and the receiving communication circuit may receive a signal relayed from the second surface. The detecting circuit may determine distance between the first surface and a second surface based on propagation characteristics of the signals.
Power line transmission system and method
A power line method and system are provided. The power line transmission method is applicable to a power line network, where the power line network includes a main power line device configured to connect a cable network, and a plurality of slave power line devices configured to receive the power line network provided by the main power line device. The power line transmission method includes the steps of selecting an agent device from the slave power line devices located in a section where the power line network is broken and maintaining the power line network by connecting the slave power line devices located in the non-broken section of the power line network to the agent device through a wireless network function provided by the agent device.
Communication nodes and sensor devices configured to use power line communication signals, and related methods of operation
Methods of operating a communication node are provided. A method of operating a communication node may include transmitting a first power line communication signal from the communication node to a sensor device that is at or adjacent an electric grid device. The method may include receiving from the sensor device a second power line communication signal that is responsive to the first power line communication signal, at the communication node. Moreover, the method may include determining a distance between the communication node and the electric grid device by measuring an electrical parameter of the second power line communication signal, at the communication node. Related communication nodes are also described.
Detection of demapping errors
At least one crosstalk probing sequence out of a set of orthogonal crosstalk probing sequences is assigned to the at least one respective disturber line for modulation at the given carrier frequency of at least one respective sequence of crosstalk probing symbols, and error samples are successively measured by a receiver coupled to the victim line at the given carrier frequency while the at least one sequence of crosstalk probing symbols are being transmitted over the at least one respective disturber line are fed back for crosstalk estimation. The received error samples are next correlated with at least one unassigned crosstalk probing sequence out of the set of orthogonal crosstalk probing sequences for detection of a demapping error in the received error samples.
In one example a controller comprises logic, at least partially including hardware logic, configured to implement a first iteration of an interference test on a communication interconnect comprising a victim lane and a first aggressor lane by generating a first set of pseudo-random patterns on the victim lane and the aggressor lane using a first seed and implement a second iteration of an interference test by advancing the seed on the first aggressor lane. Other examples may be described.
Frequency ramp generation
A method for generating a digital frequency ramp signal including a sequence of frequency ramps is disclosed herein. In accordance with one embodiment of the present invention the method comprises loading a first data word of a data record from a memory. The data record includes information associated with a first frequency ramp, wherein the first data word of the data record includes a header. The method further includes the evaluation of the header to determine whether, or not, the data record includes one or more additional data words and to determine, which information is included in the additional data word(s). Dependent on the evaluation of the header, the additional data word(s) of the data record are loaded from the memory. In accordance with the information stored in the first data word and, if loaded, the additional data word(s) ramp parameters and/or configuration parameters are updated. The method includes, moreover, generating digital ramp signal values in accordance with the updated ramp parameters and synchronous to a clock signal.
Memory card adapter
A memory card adapter includes a body having a set of contact pins. The set of contact pins include input pins and output pins implemented in a pin-to-pin structure. The input pins connect with pins of an inserted memory card and the output pins connect with an external socket. The body includes a bottom lead adapted to support the main body, and a top lead adapted to be combined with the bottom lead. The body includes a fixing substance adapted to combine with the contact pins. The body includes a conduction plate on a top surface or a bottom surface of the fixing substance, where the conduction plate is connected to at least one of the contact pins.
Methods and apparatus for communicating with a receiving unit
In some embodiments, techniques are provided for extending the functionality of a receiving unit which is configured to express a state during an event. In some embodiments, a receiving unit configured to receive a first set of transmissions during an event from one or more transmitting units and express a state in response may also be configured to receive a second set of transmissions from other components at a time other than during the event and express a state in response to receiving the second set of transmissions.
Enhanced echo cancellation in full-duplex communication
Embodiments relate to enhancing echo cancellation in a transceiver integrated circuit (IC) for full-duplex communication by providing a signal path connected to a dummy driver that replicates a signal path between a main driver and a counterpart transceiver IC to cause a duplicated signal generated by the dummy driver to more closely replicate a sending signal generated by the main driver. The signal path connected to the dummy driver includes circuit elements having transmission line parameters and RLC parameters that replicate transmission line parameters and RLC parameters of circuit elements in the signal path between the main driver and the counterpart transceiver IC.
Compensation parameter and predistortion signal
A controller can include a signal generator configured to provide an input signal to a modulator. The controller can be configured to generate a modulator compensation parameter in response to a modulated feedback signal corresponding to an output of the modulator. The controller can also be configured to generate a power amplifier predistortion signal in response to an amplified feedback signal corresponding to an output of a power amplifier coupled to the modulator.
Semiconductor device and radio communication device
A semiconductor device (10) includes a transmitting circuit (12) that converts transmission data into a transmission signal with a specified frequency, an amplifier (13) that amplifies a power of the transmission signal, a matching circuit (14) that converts the transmission signal from a balanced signal to an unbalanced signal, and a filter circuit (14) that restricts a frequency band of the transmission signal. The matching circuit includes a primary inductor and a secondary indictor, the filter circuit includes an inductor for a filter, and the primary inductor, the secondary indictor and the inductor for a filter are wound substantially concentrically on one plane.
Method and system for determining precise robotic position and orientation using near-simultaneous radio frequency measurements
A method and system for determining position and/or pose of an object. A robotic device moves throughout an environment and includes a master transceiver tag and, optionally, additional tags. The environment includes a plurality of anchor nodes that are configured to form a network. A master anchor node is in communication with at least a portion of the plurality of anchor nodes and is configured to transmit a ranging message as a UWB signal, receive a ranging message response from each other anchor node in the network, generate a reference grid representing physical locations of the plurality of anchor nodes within the network based upon the received ranging message responses, and distribute the reference grid to each of the other anchor nodes. The master transceiver tag receives the reference grid information and, based upon further calculations, determines a specific position and pose of the robotic device within the environment.
Software programmable, multi-segment capture bandwidth, delta-sigma modulators for cellular communications
A cellular radio architecture for a vehicle that includes a triplexer coupled to an antenna structure and including three signal paths, where each signal path includes a bandpass filter that passes a different frequency band than the other bandpass filters and a circulator that provides signal isolation between the transmit signals and the receive signals. The architecture also includes a receiver module having a separate signal channel for each of the signal paths in the triplexer, where each signal channel in the receiver module includes a receiver delta-sigma modulator that converts analog receive signals to a representative digital signal. The delta-sigma modulator includes an LC filter having a plurality of LC resonator circuits, a plurality of transconductance amplifiers and a plurality of integrator circuits, where a combination of one resonator circuit, transconductance amplifier and integrator circuit represents a two-order stage of the LC filter.
Construction of MBR (minimum bandwidth regenerating) codes and a method to repair the storage nodes
This invention gives a coding method of MBR (Minimum Bandwidth Regenerating) codes. The related method includes the following steps: equally divide the original file of size B into k(k+1)/2 blocks, obtaining the first packets; construct a symmetrical k×k system matrix S with these first packets; generate k ID codes, wherein each ID code contains k elements; obtain the coded packet through operations between one column of the system matrix and the ID code; repeat the above steps with (n−k) different columns of the system matrix separately to get the (n−k) coded packets; construct the (n−k)×k check matrix P with the column number g which is the serial number of the ID codes in the coded packet set Pg; store the rows of the system matrix and coded matrix to n nodes, each node stores one row. The present invention also involves a method to repair the failed nodes of the above coding scheme.
Arrangement and method for decoding a data word with the aid of a Reed-Muller code
An arrangement for decoding a data word using a Reed-Muller code, has: (1) N input terminals, (2) a first level of E>>D summing modules, each summing module being linked with F different input terminals and each input terminal being linked with E summing modules, (3) a first level of E decision modules, each of the D inputs of each decision module being linked respectively with an output from D different summing modules, (4) a second level of H summing modules, (5) a second level of G decision modules, (6) a third level of G summing modules, and (7) G output terminals. N signifies the code length and D signifies the minimum spacing of the code, E is equal to D-2, F is equal to N/D, G is the number of symbols of the data word that need to be corrected and is a natural number between 1 and E<
Method and system for reliable data communications with adaptive multi-dimensional modulations for variable-iteration decoding
In an advanced adaptive modulation and coding (AMC) scheme, the code rate and the parity-check matrix (PCM) for low-density parity-check (LDPC) codes are adapted according to modulation formats and variable-iteration receivers. The degree distribution for the PCM adaptation is designed by heuristic optimization to minimize the required SNR via an extrinsic information transfer (EXIT) trajectory analysis for finite-iteration decoding. The method uses dynamic window decoding by generating spatially coupled PCM for quasi-cyclic LDPC convolutional coding. The method also provides a way to jointly optimize labeling and decoding complexity for high-order and high-dimensional modulations.
Method and apparatus for calculating estimated data compression ratio
A method and an apparatus for calculating an estimated data compression ratio relate to the field of data processing technologies. In the solutions, an estimated data compression ratio is calculated using a related indicator that represents a distribution pattern of symbols in a symbol sequence, where the related indicator that represents the distribution pattern of the symbols in the symbol sequence is relatively closely related to the estimated data compression ratio.
Semiconductor device and semiconductor device operating method
A semiconductor device includes an analog-digital converter circuit. The analog-digital converter circuit includes a delay cell array that includes n-number (n is a natural number of 2 or more) of serially-coupled delay cells, receives a reference clock signal, and utilizes an analog input signal as the power supply voltage for delay cells in each stage, and an encoder that encodes the output signal of the delay cells in each stage of the delay cell array. The n number of delay cells include a delay quantity weighted for each delay cell, and the encoder encodes the output signal of the delay cell in each stage of the delay cell array by weighting corresponding to the number of delay cell stages. The delay cells output signal without changing polarity of inputted signals.
Semiconductor device comprising successive approximation register analog to digital converter with variable sampling capacitor
A semiconductor device and operating method thereof are provided. The semiconductor device includes a mode controller configured to output a control signal of a first level in a first mode, and output a control signal of a second level that is different from the first level in a second mode that is different from the first mode; and a successive approximation register analog-to-digital converter (SAR ADC) configured to convert an analog input signal into a digital output signal using a plurality of variable sampling capacitors, wherein each of the plurality of variable sampling capacitors comprises a first sampling capacitor having a first capacitance, and a second sampling capacitor having a second capacitance, wherein, in the first mode, the SAR ADC is configured to receive the control signal of the first level and connect the first sampling capacitor and the second sampling capacitor to either of a first voltage and a second voltage that is different from the first voltage to convert the analog input signal into the digital output signal, and wherein, in the second mode, the SAR ADC is configured to receive the control signal of the second level and connect any one of the first sampling capacitor and the second sampling capacitor to either of the first voltage and the second voltage to convert the analog input signal into the digital output signal.
Non-linearity cancellation in a dual-path ADC
The overall performance of a dual-path ADC system may be improved by using a VCO-based ADC for small-amplitude signals and employing non-linear cancelation to remove nonlinearities in signals output by the VCO-based ADC. In particular, VCO-based dual-path ADC systems of this disclosure may be configured to receive a first digital signal from a first ADC and a second digital signal from a second ADC, wherein the second digital signal is more non-linear than the first digital signal. The dual-path systems may also be configured to determine one or more non-linear coefficients of the second digital signal based, at least in part, on processing of the first and second digital signals. The dual-path systems may be further configured to modify the second digital signal based, at least in part, on the determined one or more non-linear coefficients to generate a more linear second digital signal.
Frequency synthesis device and method
A frequency synthesis device, including: a first generator configured to generate a periodical signal with a frequency f1; a second generator, coupled to the first generator and generating from the signal with a frequency f1 a signal SG corresponding to a train of oscillations with a frequency substantially equal to N·f1, with a duration lower than T1=1/f1 and periodically repeated at the frequency f1; a third generator generating, from the signal SG, m periodical signals SLO_CH1 to SLO_CHm with frequency spectra each include a main line with a frequency fLO_CHi corresponding to an integer multiple of f1, with 1≦i≦m, the third generator operating as a band-pass filter applied to the signal SG and discarding from the frequency spectra of each of the periodical signals SLO_CH1 to SLO_CHm lines other than the main line with a frequency fLO_CHi.
System and method for managing pipelines in reconfigurable integrated circuit architectures
A reconfigurable logic array(RLA) uses pipeline control methods. A do-not-end step signal is communicated to a controller in response to a backpressure condition. In response, a program executing in the RLA is suspended. Source and sink elements are arranged with respective sensors that identify back pressure conditions at interfaces. The source or sink elements communicate a do-not-end step signal to the controller. Local memory interfaces and an interrupt buffer generate similar signals in response to other internal and external conditions. The controller coordinates pipelined control signals with a global counter that issues the control signals with an end-of-step signal broadcast throughout the RLA. When a number of loop iterations is known before execution of the loop instructions, the information is shared with source and sink elements and the controller, which operate accordingly in a limited mode. At appropriate times write-enable inputs of configuration registers are disabled.
A semiconductor circuit includes a first circuit and a second circuit. The first circuit is configured to generate a voltage level at a first node based on a voltage level of input data, an inverted value of the voltage level at the first node, a voltage level of a clock signal, and a voltage level at a second node; and the second circuit is configured to generate the voltage level at the second node based on the voltage level of input data, an inverted value of the voltage level at the second node, the voltage level of the clock signal, and the inverted value of the voltage level at the first node. When the clock signal is at a first level, the first and second nodes have different logical levels. When the clock signal is at a second level, the first and second nodes have the same logical level.
Digital clamp for state retention
Described is an apparatus which comprises: a clamp coupled between a first power supply and a second power supply, the clamp including a plurality of transistors, a circuit to operate with the second power supply; and a control unit to turn on and off the plurality of transistors to adjust the second power supply when the apparatus enters a low power mode. The control unit includes a first comparator to compare the second power supply with a first reference, a second comparator to compare the second power supply with a second reference, and a counter. The counter counts up when the second power supply is higher than the first reference and counts down when the second power supply is lower than the second reference.
Low leakage and data retention circuitry
An integrated circuit includes first circuitry and sleep transistor circuitry. The first circuitry receives input signals and processes the input signals. The first circuitry also retains data in a sleep state that has low leakage. The sleep transistor circuitry is coupled to the first circuitry and receives a sleep signal that has a negative voltage. The sleep circuitry reduces power consumption of the first circuitry in the sleep state to have low leakage based on the sleep signal while retaining the data in the first circuitry.
Gate driving circuit of high-side transistor, switching output circuit, inverter device, and electronic device
A gate driving circuit for turning on a high-side transistor when an input set pulse is asserted and turning off the high-side transistor when an input reset pulse is asserted is provided. The gate driving circuit includes first and second inverters to receive the intermediate set pulse from a level shift circuit to generate first and second set pulses; third and fourth inverters to receive the intermediate reset pulse from the level shift circuit to generate first and second reset pulses; a logic circuit to mask the first set pulse and the first reset pulse by using the second reset pulse and the second set pulse to generate an output set pulse and an output reset pulse, respectively; a flip-flop configured to receive the output set pulse and the output reset pulse to output a driving pulse; and a driver to drive the high-side transistor according to the driving pulse.
Driver for the high side switch of the cascode switch
In accordance with an embodiment, a circuit includes a first and a second switching transistors configured to be coupled in series between a first reference voltage terminal and a transformer. The circuit also includes a first diode coupled between a first drain of the first switching transistor and a first input terminal. The first diode is configured to clamp a voltage of the first drain to a voltage of the first input terminal. The circuit further includes a switching circuit coupled between the second switching transistor and the first input terminal. The switching circuit is configured to connect a second source of the second switching transistor to a second gate of the second switching transistor when a voltage of the second source exceeds the voltage of the first input terminal.
Ultra high performance silicon carbide gate drivers
A system includes a SiC semiconductor power device; a power supply board that is configured to provide power to a first gate driver board via a connector; the first gate driver board that is coupled and configured to provide current to the SiC semiconductor power device, wherein the first gate driver board is coupled to the power supply board via the connector, and wherein the first gate driver board is separated from the power supply board; and an interconnect board that is coupled to the first gate driver board, wherein the interconnect board is configured to couple the first gate driver board a second gate driver board.
Gate driver circuit
In High Voltage CMOS technologies the supply voltage is typically higher than the maximum allowed gate voltage. In a switching output stage of amplifiers such class-D amplifiers and DC-DC converters the gates of the power field effect transistors need to be charged quickly. This requires a gate driver that is capable of delivering large currents without exceeding the maximum allowed voltage on the gate of the power field effect transistors.
Phase adjustment device, phase difference detecting device and phase-adjusting method
A phase adjustment device includes: a detection signal generator configured to generate a pair of first and second detection signals for detecting a phase difference between two signals whose phases have been adjusted by two phase adjusters, respectively, a maximum sensitivity phase difference of one of the first and second detection signals being not overlap with that of the other, and detection sensitivity of the phase difference becoming maximum at the maximum sensitivity phase difference; a detection signal selector configured to select one of the first and second detection signals whose predetermined range around the maximum sensitivity phase difference covers a preset phase difference; and a phase controller configured to control an amount of phase-adjusting by at least one of the two phase adjusters based on a difference between the phase difference detected within the predetermined range using the selected detection signal and the preset phase difference.
Provided is a non-volatile latch, which includes a latch circuit, a first switch circuit, a non-volatile memory device, a second switch circuit and a third switch circuit. A first terminal of the first switch circuit is coupled to a first output terminal of the latch circuit. The first switch circuit is turned off in a normal operation period. A first terminal of the non-volatile memory device is coupled to a second terminal of the first switch circuit. A second terminal of the non-volatile memory device is coupled to a programming voltage via the second switch circuit. In a store period, according to latched data of the latch circuit and a state transformation condition of the non-volatile memory device, the third switch circuit can dynamically determine whether to couple the first terminal of the non-volatile memory device to a reference voltage.
Periodic signal generation circuit and semiconductor system including the same
A semiconductor system may include a first semiconductor device configured to output a command and receive data. The semiconductor system may include a second semiconductor device configured to generate a periodic signal, the periodic signals periodically toggled in response to the command, output the data in response to the periodic signal, and discharge the charges of an internal node if the periodic signal is not toggled during a predetermined section.
High frequency filter with phase compensating circuit
A high-frequency filter including first and second signal terminals, a filter circuit having a passband and a stopband and being connected between the first signal terminal and the second signal terminal, and an additional circuit connected in parallel with the filter circuit between the first signal terminal and the second signal terminal. The filter circuit is configured to provide a first output signal responsive to receipt of an input signal. The additional circuit has an attenuation band within the stopband, and is configured to provide a second output signal responsive to receiving the input signal, the first and second output signals having phase components opposite to each other in the attenuation band.
Complex circuit, circuit device, circuit board, and communication device
PROBLEM: To provide a high-performance complex circuit, circuit device, circuit board, and communication device that support a wider band of frequencies.SOLUTION: A complex circuit includes a first diplexer that passes through the normal-phase signals of balanced signals and a second diplexer that passes through the reverse-phase signals of the balanced signals. A balun includes a low frequency band first balun element and a high frequency band second balun element. The first balun element and the second balun element respectively include a plurality of lines that are connected to the first diplexer and that carry signals occupying two different frequency bands and also respectively include a plurality of lines that are connected to the second diplexer and that carry signals occupying two different frequency bands. The lines form one pair of balanced lines, and the lines form another pair of balanced lines. Furthermore, the first balun element and the second balun element each include an unbalanced line.
Filter with independently adjustable band gain and break point slopes and method of constructing same
A filter for equalizing the frequency response of loudspeaker systems includes at least one band filter section (11) comprised an n-order high boost or cut shelving fitter (13) having a break point frequency, ω1, and an n-order low boost or cut shelving filter (15) having a break point frequency, ω2, wherein ω1<ω2. The order, n, of at least one, and preferably both of the shelving filters of the band filter sections can be selected for adjusting the slope of the shelving filter at one or both of its break point frequencies. The high and low n-order shelving filters forming the band filter sections have substantially the same gain and produce a resultant band gain for the band filter section. Gain correction is provided for the selectable n-order high shelving filter and n-order low shelving filter for correcting the resultant band gain to a base gain level.
Hybrid fiber amplifier and method for adjusting gain and gain slope thereof
A hybrid fiber amplifier and method of adjusting gain and gain slope of thereof. The hybrid fiber amplifier comprises: RFA and EDFA that does not comprise variable optical attenuator. The RFA comprises pump signal combiner, pump laser group, out-of-band narrow-band filter, and photodetector. The EDFA comprises input coupler, erbium-doped fiber, output coupler, input photodetector, and output photodetector that are connected in sequence. The hybrid fiber amplifier also comprises control module that coordinates and controls EDFA and/or RFA to adjust gain and/or the gain slope based on desired amplification requirements. The EDFA and/or RFA can be coordinated and controlled by using the control module to achieve desired amplification effect. In addition, the EDFA does not comprise the variable optical attenuator, which avoids problems caused by the variable optical attenuator. The hybrid fiber amplifier and method of adjusting gain and gain slope thereof are applicable to technical field of optical communications.
Acceleration information transmission device
A sound volume is adjusted in accordance with a volume adjustment coefficient ka calculated in accordance with a coefficient map with respect to an accelerator opening angle APO and another volume adjustment coefficient kv calculated in accordance with the coefficient map with respect to a vehicle speed V. The coefficient map with respect to vehicle speed V is set such that, as accelerator opening angle APO becomes higher, volume adjustment coefficient ka becomes larger in a sigmoid configuration. In addition, the coefficient map with respect to accelerator opening angle APO is set such that, as vehicle speed V becomes higher, volume adjustment coefficient kv becomes smaller in the sigmoid configuration.
RF transformer for differential amplifier
The present invention relates to a high frequency transformer for a differential amplifier. An exemplary embodiment of the present invention provides a high frequency transformer for a differential amplifier, including: a first metal line that is integrated and formed in an IC chip through a CMOS process and that is connected to a differential signal line of a transistor included in the IC chip; and a second metal line that is formed in an MEMS chip through an MEMS process and that is inductively coupled with the first metal line in a state spaced apart from an upper portion of the first metal line, wherein the MEMS chip may be stacked on an upper portion of the IC chip.
Linear FET feedback amplifier
A circuit that includes a Darlington transistor pair having an input transistor and an output transistor configured to generate an output signal at an output node in response to an input signal received through an input node is disclosed. The circuit has a feedback coupling network coupled between the output node and the input node for feeding back to the input node a portion of an amplified version of the input signal that passes through the input transistor. The circuit further includes a bias feedback network that includes a bias transistor and a resistive network that consists of only resistive elements such that no inductors and no capacitors are provided within the bias feedback network.
System and method for providing a switchless selectable input balanced low noise amplifier
A selective low noise amplifier (LNA) comprising an input hybrid coupler receives a first input and a second input and to provide a first output and a second output; and an output hybrid coupler receives a first input and a second input and to provide for at least one output. A first amplifier and a second amplifier, each respective amplifier in first and second parallel paths are couple to and between the first output and the second output, respectively, of the input hybrid coupler and the first input and the second input, respectively, of the output hybrid coupler. A phase controller coupled to at least one of the first input and the second input of the output hybrid coupler delays signals from the first and second inputs of the output hybrid coupler to the at least one output of the output hybrid coupler. A method is also disclosed.
An amplification circuit includes a first switching circuit that includes input terminals and first and second output terminals and that puts the second output terminal into an open state with respect to the input terminals while selectively putting the first output terminal into a state of being connected to any of the input terminals or selectively puts the second output terminal into a state of being connected to any of input terminals while putting the first output terminal into a state of being open with respect to the input terminals, a matching network that is connected to the first output terminal, an amplifier that is connected to an output side of the matching network, a second switching circuit that is connected to an output side of the amplifier, and a bypass path that electrically connects the second output terminal and an output terminal of the second switching circuit.
Bias circuit for low quiescent current amplifier
A bias circuit for applying bias current to a low quiescent current amplifier includes first and second transistors and a transistor pair circuit. The first transistor is connected to a supply bias voltage source and an auxiliary bias voltage source, and is controlled by a bias voltage output from the auxiliary bias voltage source, the first transistor acting as a current source. The second transistor is connected to the supply bias voltage source and an output of the first transistor, and is controlled by the output of the first transistor to selectively buffer supply bias current from the supply bias voltage source provided to the low quiescent current amplifier via a bias resistor. The transistor pair circuit includes third and fourth transistors connected in series, one of the third and fourth transistors is also connected in parallel with a dividing resistor, the transistor pair circuit acting as a voltage source.
Power supply stage
There is described a method of generating a power supply tracking a reference signal, comprising the steps of: filtering the reference signal; generating a first voltage in dependence on the filtered reference signal; generating a second voltage in dependence on the reference signal; and combining the first and second voltages to provide a power supply voltage.
A distributed amplifier includes: an input-side transmission line; M amplification circuits; M output-side transmission lines; and a combination circuit configured to combine outputs of the M output-side transmission lines; wherein the input-side transmission line has an input-side serial line formed by connecting in series M×N unit transmission lines each including the same line length, and an input-side terminating resistor, the M amplification circuits each includes N amplifiers and the N amplifiers of the i-th amplification circuit take the input node of the ((k−1) M+i)-th input-side transmission line to be the input, and the output-side transmission line includes an output-side serial line including N transmission lines each being connected in series between the neighboring outputs of the N amplifiers and each having a line width in which the phase of the output of the amplifier in each stage agrees with one another.
Digital controlled oscillator and switchable varactor for high frequency low noise operation
Low noise switchable varactors and digital controlled oscillator (DCO) circuitry are presented for creating alternating signals at controlled frequencies, including a first transistor for selectively coupling two capacitors between varactor output nodes when a control signal is in a first state, second and third transistors for selectively coupling first and second internal nodes between the respective capacitors and the first transistor with a third internal node when the control signal is in the first state, and an inverter disconnected from the first and second internal nodes to mitigate phase noise and operable to control the voltage of the third internal node according to the control signal.
Method and device for ARC fault detection for photovoltaic inverter and photovoltaic inverter using the same
The present disclosure provides a method and a device for arc fault detection for a photovoltaic inverter, and a photovoltaic inverter using the same. The method includes: acquiring current signals at a DC side of the photovoltaic inverter; obtaining frequency spectral characteristics of the current signal according to the current signal; judging whether the frequency spectral characteristics of the current signal have a frequency spectral characteristic of an arc; and if the frequency spectral characteristics of the current signal have a frequency spectral characteristic of an arc, shutting down the photovoltaic inverter, acquiring respectively a first input voltage when the photovoltaic inverter is shut down and a second input voltage after a predetermined time period after the shutdown, calculating a voltage drop from the first input voltage to the second input voltage, and judging whether an arc fault occurs according to the voltage drop.
Alternating bias hot carrier solar cells
Designs of extremely high efficiency solar cells are described. A novel alternating bias scheme enhances the photovoltaic power extraction capability above the cell band-gap by enabling the extraction of hot carriers. When applied in conventional solar cells, this alternating bias scheme has the potential of more than doubling their yielded net efficiency. When applied in conjunction with solar cells incorporating quantum wells (QWs) or quantum dots (QDs) based solar cells, the described alternating bias scheme has the potential of extending such solar cell power extraction coverage, possibly across the entire solar spectrum, thus enabling unprecedented solar power extraction efficiency. Within such cells, a novel alternating bias scheme extends the cell energy conversion capability above the cell material band-gap while the quantum confinement structures are used to extend the cell energy conversion capability below the cell band-gap. Light confinement cavities are incorporated into the cell structure in order to allow the absorption of the cell internal photo emission, thus further enhancing the cell efficiency.
Electronic inverter assembly with an integral snubber capacitor
A coaxial bus connector has a first end and a second end opposite the first end. The first end has a first positive terminal and a first negative terminal coupled to a primary direct current bus of a primary inverter. The second end has a second positive terminal and a second negative terminal coupled to the secondary direct current bus of a secondary inverter, wherein the coaxial bus connector comprises a dielectric material between a center conductor and a coaxial sleeve to form a snubber capacitor to absorb electrical energy or to absorb voltage spikes.
Motor control device
A motor control device includes a power-consumption calculator that calculates a power loss L according to a motor current I or according to the motor current I and a motor velocity v, and calculates a motor output W from a product of the motor velocity v and a torque τ or thrust force, to determine whether a regenerative resistance is in an energized state. When the regenerative resistance is in an energized state, if a total value W+L of the power loss L and the motor output W is equal to or greater than 0 (W+L≧0), the power-consumption calculator calculates a power consumption P as W+L, and if a total value W+L of the power loss L and the motor output W is less than 0 (W+L<0), the power-consumption calculator calculates the power consumption P=0.
Power supply of an electric motor
The invention relates to a power supply system of an electric motor (1) comprising a power circuit (3), the input terminals of which are connected to a DC voltage source, and an electronic circuit (4) for controlling the electric motor (1) based on a control signal representative of the set speed of the motor. According to the invention, the system comprises a means (6) capable of reducing the DC voltage value received by the power circuit (3) during the starting of the electric motor (1) and/or during operating phases in which the set speed of the electric motor (1) is below a threshold speed.
A motor controller of a permanent magnet motor includes an inverter, a torque and flux calculator configured to estimate or measure torque and flux generated in the permanent magnet motor as calculated torque flux, based on an output from the inverter and a rotor angle of the permanent magnet motor, a switching pattern selector configured to input a signal to the inverter to select one of a plurality of switching patterns based on comparison results of a reference torque and the calculated torque and a reference flux and the calculated flux, and a flux phase angle, and a reference flux calculator configured to compare a highest phase flux out of three phase fluxes obtained by the torque and flux calculator with a flux limit and to reduce the reference flux when the maximum phase flux is higher than the flux limit.
Method for controlling torque in permanent magnet motor drives
A method for limiting the torque of a permanent magnet AC motor includes a torque limit controller. The torque limit controller at least in part bases the torque limit on a selected direct voltage limit. The selected direct voltage limit may be used in combination with other torque limit conditions to generate the torque demand for the AC motor.
Intake profile for optimized utilization of motor characteristics
Systems and methods for operating a stepper motor of a pump at a desired low velocity include memory for storing information corresponding to an intake velocity profile. The intake velocity profile represents an optimized acceleration curve for operating the stepper motor over a range of motor velocities during an intake cycle. A processor of a system controller dynamically accesses the memory during the intake cycle to acquire the information representing the intake velocity profile and issues a series of pulses to the stepper motor based on this information. In response to the pulses, the stepper motor accelerates in accordance with the optimized acceleration curve represented by the intake velocity profile. The optimized acceleration curve is based on the available torque of the stepper motor across a range of motor velocities and enables the motor to operate with greater torque utilization and less margin than traditional linear acceleration profiles.
Hybrid circuit device
A circuit device comprises a circuit board and a plurality of leads each comprising an island portion, a bonding portion elevated from the island portion, and an oblique slope portion connecting the island portion and the bonding portion, and a plurality of circuit elements mounted on the island portions so as to be connected to corresponding bonding portions through wirings. Two leads are adapted to be connected to positive and negative electrodes of a direct-current power source, and yet another lead is an output lead adapted to output alternating-current power. One electrode provided on a transistor mounted on an island portion of the second input lead is connected to a bonding portion of the output lead through a wiring, and another electrode provided on a transistor mounted on an island portion of the output lead is connected to a bonding portion of the first input lead through a wiring.
Limit-to-valley ratio circuitry in power converters
A controller for a switched mode power converter includes limit-to-valley ratio circuitry, an on-time generator, and a drive circuit. The limit-to-valley ratio circuitry is coupled to generate a ratio signal in response to sensing a switch current of a switch that regulates an output of the switched mode power converter. The ratio signal is representative of a time ratio between a first length of time that the switch current is at or above a switch current limit and a second length of time that the switch current is at or below a switch current valley that is a portion of the switch current limit. The on-time generator is coupled to vary a switch on-time signal in response to receiving the ratio signal. The drive circuit is coupled to output a drive signal to a control terminal of the switch in response to receiving the switch on-time signal.
Wind power conversion system with plural first converting circuits and a second converting circuit
A wind power conversion system includes plural first converting circuits and a second converting circuit. The plural first converting circuits perform a power converting task, and include respective first generator-side terminals and respective first network-side terminals. The first generator-side terminals are electrically connected with a wind power generator. The first network-side terminals are electrically connected with corresponding secondary windings of an isolating transformer. The second converting circuit includes plural second generator-side terminals and a second network-side terminal. The second network-side terminal is electrically connected with the corresponding secondary winding of plural secondary windings of the isolating transformer. The second generator-side terminals are serially connected with the corresponding first generator-side terminals of the first converting circuits. When the second converting circuit is enabled, the power converting task of the plural first converting circuits is shared by the second converting circuit.
System and method of implementing a brushless variable transformer
A brushless variable transformer. Variable autotransformers, use brushes, and as such, have moving parts requiring maintenance and periodic cleaning of the brushes. A variable transformer without brushes is advantageous in that it eliminates the cleaning and maintenance of brushes.
Energy transfer element with capacitor compensated cancellation and balance shield windings
Energy transfer element circuitry for use in a power converter includes a cancellation shield winding wound around an energy transfer element core. A first trimming capacitor is coupled to a first end of the cancellation shield winding to adjust a shield response of the cancellation shield winding. A second end of the cancellation shield winding is unconnected. A primary winding is wound around the energy transfer element core. A balance shield winding is wound around the energy transfer element core. A second trimming capacitor is coupled to a second end of the balance shield winding to adjust a shield response of the cancellation shield winding. A first end of the balance shield winding is unconnected. A secondary winding is wound around the energy transfer element core.
Systems and methods for adjusting frequencies and currents based on load conditions of power conversion systems
Systems and methods are provided for regulating a power conversion system. An example system controller includes a driving component and a detection component. The driving component is configured to output a driving signal to a switch associated with a first current flowing through a primary winding of a power conversion system, the switch including a first switch terminal related to a first voltage and a second switch terminal related to a second voltage, the driving signal being associated with a plurality of switching periods. The detection component is configured to receive an input signal associated with a difference between the first voltage and the second voltage, detect at least one valley of the input signal in magnitude during a detection period for the first switching period, and output a detection signal based on at least information associated with the input signal to affect the driving signal.
Controller for multiphase boost converters
A controller for a multiphase converter comprises a first stage controller for producing a first gate drive signal to turn on a first power transistor of a first boost converter; a delay element configured to produce a delayed signal by delaying the first gate drive signal by half a cycle length; a time difference detection element configured to: output a turn on command based on a zero crossing detection (ZCD) signal indicating that one or more zero current conditions of a second boost converter of the multiphase converter are met and the delayed signal; and a second stage controller configured to assert a second gate drive signal to turn on a second power transistor of the second boost converter based on the turn on command.
Direct current (DC)-DC converter having a multi-stage output filter
A direct current (DC)-DC converter that includes a first switching converter and a multi-stage filter is disclosed. The multi-stage filter includes at least a first inductance (L) capacitance (C) filter and a second LC filter coupled in series between the first switching converter and a DC-DC converter output. The first LC filter has a first LC time constant and the second LC filter has a second LC time constant, which is less than the first LC time constant. The first LC filter includes a first capacitive element having a first self-resonant frequency, which is about equal to a first notch frequency of the multi-stage filter.
Power converter and air conditioner
Disclosed herein is a technique for substantially preventing, in a power converter including a boost power factor correction section, the power factor correction section from starting an intermittent operation even if the ripple voltage of its smoothing capacitor has increased. The converter includes: a power factor correction section including a booster circuit boosting an input voltage supplied from a rectifier section and a smoothing capacitor smoothing an output of the booster circuit; and a control section correcting a power factor by controlling the booster circuit. The control section makes correction to the amount of boost of the booster circuit such that an output voltage of the smoothing capacitor does not become lower than the input voltage.
A noise filter circuit uses open loop signal processing to process the signal that causes the noise and generate a signal to be fed back into the system to cancel noise currents.
Voltage regulators with multiple transistors
A voltage regulator has an input terminal and a ground terminal. The voltage regulator includes a high-side device, a low side device, and a controller. The high-side device is coupled between the input terminal and an intermediate terminal. The high-side device includes first and second transistors each coupled between the input terminal and the intermediate terminal, such that the first transistor controls a drain-source switching voltage of the second transistor. The low-side device is coupled between the intermediate terminal and the ground terminal. The controller drives the high-side and low-side devices to alternately couple the intermediate terminal to the input terminal and the ground terminal.
Voice coil motor
Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the bobbin; a stator having a magnet that is disposed in such a way as to face the coil block; elastic members coupled to a lower end of the bobbin and connected to both ends of the coil block; a base supporting the elastic members and the stator; and a cover can covering the mover, the stator and the base, with an opening being formed in the cover can to expose the lens therethrough, wherein each of the elastic members includes a terminal portion that extends between the cover can and a side surface of the base, the terminal portion including a short-circuit prevention portion so as to inhibit a short-circuit between the terminal portion and the cover can.
Wind turbine comprising a transverse flux electrical machine
The invention concerns a windmill including a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least one phase, the at least one phase including a plurality of cores cooperating with a coil disposed about the rotation axis, each core including a skewed pair of poles to progressively electromagnetically engage an electromagnetic field of respective cooperating concentrators. The invention is also concerned with a plurality of elements located in desired positions in the TFEM.
[Problem] To provide a high-efficiency stepping motor in which a magnetic force of an exciting coil is made to effectively contribute to a rotating operation of a rotator.[Solution] The present stepping motor (50) uses permanent magnets (22) having inside a substantially cylindrical inner peripheral surface, and is disposed with a substantially columnar exciting coil (26) inside the inner peripheral surface. Moreover, turning on/off of current application to the exciting coil (26) and the application direction are switched when the permanent magnet (22) and the exciting coil (26) have reached a specific position. Repulsion and attraction that act on both ends of the exciting coil (26) can thereby be made to contribute to a rotary motion of the stepping motor (50). Therefore, the stepping motor (50) can obtain a high conversion efficiency.
Inverter-integrated electric compressor
The purpose of the present invention is to provide an inverter-integrated electric compressor which, even with the connector of a power source-side cable configured to be connected directly to a P-N terminal on a circuit board, reduces the stress on the circuit board by support by a high voltage electric component and can implement this support with high precision. This inverter-integrated electric compressor is configured such that a P-N terminal for inputting high-voltage DC power is provided on a main circuit board, a power source-side cable can be connected to said P-N terminal by inserting a connector provided on one end, a high-voltage electric component configuring the inverter device is arranged in the facing position on the side of the main circuit board opposite that of the P-N terminal, and the electric component is housed in a case and fixed by a resin member; and is further configured such that multiple protruding and receding portions are formed on the edge of the top opening of the case, and stress on the main circuit board when the connector is plugged in is received by the protruding portions abutting against the bottom surface of the main circuit board.
Construction machine with oil-cooled generator
The invention relates to a construction machine such as a road paver with an electric generator. The construction machine comprises a hydraulic oil system for hydraulic functions that also cools the generator.
Electric drive mounted on a radially offset bearing
An electric drive contains an electric motor for generating a driving force and a transmission for transmitting the driving force. The electric motor has a motor housing, a rotor arranged in the motor housing, and a motor shaft which bears the rotor. The transmission has at least two transmission elements which are coupled in terms of the transmission of force. The electric drive furthermore contains a drive housing for accommodating the electric motor and the transmission. Moreover, the motor shaft is mounted by at least a first radial bearing and a second radial bearing and braced transverse to its axis of rotation. The second radial bearing being arranged radially offset to the axis of rotation.
Connector for rotating electric machine with conductor, insulating layer, and outer conductive layer for grounding
A rotating electric machine includes a rotation body driven to rotate, an accommodation body housing the rotation body, a first power-supply member electrically connected to a positive electrode of a power source, a second power-supply member electrically connected to a negative electrode of the power source, an insulation layer contacting outer peripheral surfaces of the first and second power-supply members, and a conductive layer contacting the insulation layer on an opposite side of the insulation layer from the outer peripheral surfaces of the first and second power-supply members. The conductive layer is electrically connected to the accommodation body.
Armature windings of rotating electrical machines
According to one embodiment, there is provided armature windings of a rotating electrical machine, in which a 3-phase winding of two layers including upper and lower layers is constituted of phase belts having an electrical phase difference of 60° in between, pairs of upper coil pieces and lower coil pieces are contained in slots, the number of slots per pole per phase includes a fractional number, and a denominator thereof is an integral number greater than or equal to 4, wherein coil arrangement is carried out such that at least one coil piece in either of the upper or lower coil pieces included in two layers of upper and lower layers in one phase belt is replaced with a coil piece of an adjacent different phase.
Wireless power transmitter and wireless power transmission method
A wireless power transmitter which wirelessly transmits a power to a wireless power receiver, the wireless power transmitter includes a power source for supplying a power; a transmission coil for wirelessly transmitting the power received from the power source; a detector for detecting a quantity of energy stored in the transmission coil; and a controller for adjusting an intensity and a transmission pattern of the power supplied to the transmission coil based on the detection result, wherein the controller controls the power source to supply the power at a predetermined period through a time-division scheme to determine an existence state of the wireless power receiver.
Mobile device retention and charging tray
A console assembly for an automotive vehicle and use with a mobile device. The console assembly including a storage compartment having a floor, a pair of sidewalls, and a pair of end walls. An opening permits access into the storage area and a slidable top wall is operable to move between a covered position and a retracted position relative to the opening. An anti-slip surface is provided on the top wall and configured to receive the mobile device thereon. A wireless charging unit is also incorporated into and moveable with the top wall. The wireless charging unit is located immediately below the anti-slip surface. When the mobile device is placed on the anti-slip surface, the device is moveable with the top wall, between the covered position and retracted position, while being charged.
Electronic unit and power feeding system
An electronic unit includes: an electricity reception section configured to receive power transmitted using one of a magnetic field and an electric field; a secondary battery; a charging section configured to charge the secondary battery based on incoming power received by the electricity reception section; a load configured to perform predetermined operation based on supplied power; a first power supply path running from one of a side of the electricity reception section and a side of the secondary battery to a side of the load via the charging section; and a second power supply path running from the electricity reception section side to the load side around the charging section.
Protection device and method for power transmitter
Aspects of a protection circuit and method are disclosed. An apparatus to transmit wireless power comprises a transmit antenna, a driver, a sensing circuit, and a control circuit. The transmit antenna generates a wireless field to charge devices. The driver powers the transmit antenna for generation of the wireless field. A power level of the wireless field is based on a power level of the driver. The sensing circuit senses wireless power received at the transmit antenna and generates a monitoring signal based on the sensed wireless power received at the transmit antenna. The control circuit controls the power level or inhibits the driver from powering the transmit antenna when the monitoring signal indicates that the transmit antenna is receiving wireless power from a foreign antenna.
System and method for charging or powering devices, such as robots, electric vehicles, or other mobile devices or equipment
In accordance with various embodiments, described herein are systems and methods for enabling efficient wireless power transfer and charging of devices and/or batteries, including in some embodiments freedom of placement of the devices and/or batteries in one or multiple (e.g. one, two or three) dimensions, and/or improved features such as ease of use and compatibility. Exemplary applications include beam inductive or magnetic charging and power for use in, e.g., mobile, electronic, electric, lighting or other devices, batteries, power tools, kitchen, military, medical, industrial tools or systems, robots, trains, buses, trucks and/or vehicles, and other environments.
Hand tool battery including a bridge rectifier
A hand tool battery includes a charging coil and a bridge rectifier. The bridge rectifier has at least two rectifying arrangements for synchronous rectification.
Bag with a portable electronic device charger
Disclosed is a bag with a built in charger for portable electronic devices. The bag includes an interior compartment that is disposed between an interior lining and an exterior of the bag. The interior compartment is adapted to hold a battery unit, which is removably connected to a charging cable and a retractable power cable. The charging cable can be connected to the battery unit via a USB connection, and is adapted to connect to a portable electronic device via a mobile device connection. The retractable power cable can be extended out of the interior compartment through a side opening, and can connect to an electrical outlet via a plug. An electrical connection between the electrical outlet and the plug supplies energy to the battery unit. The energy stored in the battery unit can be used to charge the portable electronic device when an electrical outlet is not readily accessible.
Method for equalizing capacities of electric storage devices and system thereof
A method for equalizing capacities of electric storage devices that are connected in series in an electric storage device assembly charged and discharged by a charger/discharger includes charging/discharging the electric storage device assembly at a charging/discharging rate of 1 C or lower, individually measuring voltages of the electric storage devices, respectively, determining whether a time rate of change in voltage of one electric storage device of the electric storage devices has reached a time-rate-of-change reference value and then a time rate of change in voltage of another electric storage device of the electric storage devices has reached the time-rate-of-change reference value, and individually discharging, based on a determining result, the electric storage device by a discharging circuit provided separately from the discharger.
Power delivery to a moving unit
Power delivery of an image modality system for transferring power from a transmission unit (e.g., stationary unit) to a reception unit (e.g., a moving and/or rotating unit). A modulated electric signal comprising at least two modulated characteristics (e.g., such as amplitude and frequency) is configured to (e.g., concurrently) supply power to both high voltage and lower voltage components (216, 222) of the reception unit. An auxiliary component (316) is configured to utilize a first of the modulated characteristics (e.g., amplitude) to adjust/regulate a voltage applied to the lower voltage component (s), and a filter component (324) (e.g., such as a frequency selective circuit) is configured to utilize a second of the modulated characteristics (e.g., frequency) to adjust/regulate a voltage applied to the high voltage component (s).
Methods and systems for devices powered via Ethernet connections
Methods and systems are provided to power an appliance coupled to a data connection port, the data connection port having an independent power supply separate from the power grid and being coupled to the appliance via a coupling, wherein the appliance is powered by the independent power supply via the coupling. Methods and systems are provided to power an appliance coupled to an Ethernet port via a Category 5 cable, the appliance being powered via an independent power supply of the Ethernet port via the Category 5 cable, the independent power supply being separate from the power grid.
Transmission circuit for ethernet
A transmission circuit including four transmission component sets for Ethernet is provided. For each of the transmission component sets, a first capacitor and a first inductor are cascaded, the first inductor is coupled to the Ethernet connector via the first transmission line (TL), the first capacitor is coupled to the Ethernet chip via the second TL; a second capacitor and a second inductor are cascaded, the second inductor is coupled to the Ethernet connector via the third TL, the second capacitor is coupled to the Ethernet chip via the fourth TL; a first component set is coupled between a first contact and a second contact, the first contact is located between the first capacitor and the first inductor, and the second contact is located between the second capacitor and the second inductor; and a second component set is coupled between the second TL and the fourth TL.
Power distribution and information handling
A method includes supplying power from a power supply to a first electrical circuit breaker. The method includes detecting whether at least one of a current and a voltage of the power has exceeded an operating threshold for the first electrical circuit. The method includes, in response to detecting that at least one of the current and the voltage of the power has exceeded the operating threshold for the first electrical circuit, shutting off the power supply and the first electrical circuit breaker. The method includes in response to detecting that at least one of the current and the voltage of the power has not exceeded the operating threshold for the first electrical circuit, supplying the power from the power supply to the second electrical circuit breaker that is electrically coupled to the second electrical circuit.
System for sealingly holding cables which extend through an opening
The invention relates to a system for sealingly holding cables through an opening. The system comprises a holder substantially in the form of a plate having a central portion with a first thickness between a first side and a second side of the plate and a peripheral portion with a second thickness which is smaller than the first thickness, the holder having in the central portion a plurality of conduits extending in the thickness direction of the plate, each conduit being suitable for having one or more cables extending there through, at least one multi-part sealing plug of an elastic material for sealing an annular space between an inner wall of one of the conduits and a cable extending there through and a gasket of an elastic material and of a shape for placement against the peripheral portion so as to provide a sealing in a circumferential direction of the plate. The plug has at least one circumferentially extending outer rib and at least one circumferentially extending inner rib. In an uninserted state, the following conditions apply: the outer rib has a sawtooth shape for easy insertion, the sawtooth is provided with an angled inward bend for facilitating flexing of the sawtooth in a transverse direction, the inner rib has a top surface extending in circumferential and longitudinal direction for facilitating sliding along the cable, and an imaginary straight line extending in a transverse direction coincides with a pivotal point of the angled bend and intersects the top surface.
Disclosed herein is a conduit for electrical cables. The conduit comprises a cover operable to expose an inside of the conduit, and pathways for the electrical cables. The conduit is adapted to be attached to an exterior surface of a RV, with apertures via which the electrical cables can pass into and out from an interior of the RV being accessible from within the conduit.
Tunable laser and tunable laser module
A tunable laser includes: a wavelength filter that includes a first ring resonator and a second ring resonator each of which is formed by a waveguide including a silicon waveguide core, and each of which is capable of shifting each of resonance wavelengths that exit periodically and whose intervals are different from each other; and an integrated device that is optically coupled to the wavelength filter, and in which a first semiconductor optical amplifier and a reflector are provided in sequence from a side of the wavelength filter, wherein the resonance wavelengths of the first ring resonator and the second ring resonator are overlapped with each other at one wavelength, and the resonance wavelengths are overlapped with each other also at a plurality of wavelengths other than the one wavelength.
Semiconductor laser module
A surface emitting laser element capable of emitting a main beam and a sub-beam, and a monitoring light detection element capable of detecting a light intensity of the sub-beam are included, the surface emitting laser element is a PCSEL, the main beam and the sub-beam are emitted in an upward direction of the surface emitting laser element and are inclined to each other at a predetermined angle, and respective changes in a peak light intensity of the main beam and a peak light intensity of the sub-beam with respect to a value of a driving current of the surface emitting laser element are correlated with each other. Therefore, if an output of the monitoring light detection element indicating the peak light intensity of the sub-beam is used, the peak light intensity of the main beam can be estimated.
Semiconductor laser diode
A semiconductor laser diode is provided. A semiconductor layer sequence has semiconductor layers applied vertically one above the other. An active layer includes an active region having a width of greater than or equal to 30 μm emitting laser radiation during operation via a radiation coupling-out surface. The radiation coupling-out surface is formed by a lateral surface of the semiconductor layer sequence and forms, with an opposite rear surface, a resonator having lateral gain-guiding in a longitudinal direction. The semiconductor layer sequence is heated in a thermal region of influence by reason of the operation. A metallization layer is in direct contact with a top side of the semiconductor layer sequence.
Ultrashort pulse fiber amplifier using rare-earth doped gain fibers
Ultrashort pulse fiber amplifier having a pulse width from 200 ps to 200 fs comprising a rare earth oxide doped multicomponent glass fibers for laser amplification, including a core and a cladding, the core comprising at least 2 weight percent glass network modifier selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations; wherein the mode of the core is guided with step index difference between the core and the cladding, a numerical aperture of the fiber is between 0.01 and 0.04; core diameter is from 25 to 120 micron, and a length of the gain fiber is shorter than 60 cm.
Gas laser apparatus
A gas laser apparatus may include: a laser chamber connected through a first control valve to a first laser gas supply source that supplies a first laser gas containing a halogen gas and connected through a second control valve to a second laser gas supply source that supplies a second laser gas having a lower halogen gas concentration than the first laser gas; a purification column that removes at least a part of the halogen gas and a halogen compound from at least a part of a gas exhausted from the laser chamber; a booster pump, connected through a third control valve to the laser chamber, which raises a pressure of a gas having passed through the purification column to a gas pressure that is higher than an operating gas pressure of the laser chamber; and a controller that calculates, on a basis of a first amount of a gas supplied from the booster pump through the third control valve to the laser chamber, a second amount of the first laser gas that is to be supplied to the laser chamber and controls the first control valve on a basis of a result of the calculation of the second amount.
A pin extractor is disclosed. The pin extractor can comprise a press to act against a clip securing a pin to be extracted. The press can have a clip interface feature at an end of the press configured to compress the clip radially inward upon application of a force against the clip. The pin extractor can also comprise a puller having a claw to engage the pin. The puller can be movable relative to the press to extract the pin as the press compresses the clip radially inward.
Connection panel and methods for decreasing service time for server rack network devices
A connection panel for enabling quick change over of a network device comprises a body and an engaging device. An exterior side of the body has multiple sockets, each of which can receive a plug connector. The panel is configured for positioning at one end of a rack space for the network device. The panel's interior side has first network device connections configured to mate with second network device connections on the network device. The engaging device has at least one member extending between the network device and the panel, and is repositionable between at least an engaged position in which the network device is moved towards and mechanically coupled to the panel with the second network device connections urged into engagement with and electrically connected to the first connections, and a disengaged position in which the network device is disengaged from the panel and removable from the rack space.
Network distribution adapter for a motor control center
A network distribution adapter may be configured to vertically connect a network cable on one side of an isolation wall (within a vertical wire-way) while connecting another network cable at an angle on an opposing side of the isolation wall (interior to the MCC). This may advantageously allow fitting the adapter in the limited space provided by the vertical wire-way while also providing more reliable protection for the network connections. In one aspect, the network distribution adapter may include a printed circuit board (PCB) which couples a first connector disposed in a first plane parallel to the PCB with a second connector disposed in a second plane at an angle to the first plane. The PCB may be mounted in a housing which, in turn, may be mounted in relation to an opening in the isolation wall.
System for quick-mount electrical components
Quick-mount electrical components including a body and a receiver. The body includes a first protrusion, a connecting portion distal the first protrusion, the connecting portion containing a first set of one or more electrical contacts, and a second protrusion proximate the connecting portion. The receiver includes a guide, a wire trap proximate the guide, a receiving portion distal the guide, the receiving portion containing a second set of one or more electrical contacts, and a retainer proximate the receiving portion. The first protrusion has one or more recesses that match corresponding alignment elements on the guide such that the body is keyed to only fit certain receivers, depending upon the electrical characteristics of devices wired to the receiver.
Conductive device and electrical socket for providing electric power
A conductive device and a socket for providing electric power are provided. The conductive device includes a block body, at least two terminal structures, and an equipotential layer. The block body has a fixing portion having at least two holes formed thereon. The two terminal structures are arranged inside of the block body and respectively near to the holes. The equipotential layer is electrically connected to the two terminal structures and set to have the same polarity as that of the two terminal structures.
Pluggable power supply device
Disclosed is a pluggable power supply device. When a pluggable plug is to be in combination with a power supply seat, an insertion portion is first inserted in an accommodation portion of the power supply seat, allowing a second engagement portion to be engaged with a first engagement portion, and causing the gripping device on the power supply seat to be translated horizontally; a sliding block is then moved horizontally to a separation position and drive a first gripping portion on one side of thereof, allowing a second gripping portion to enter the accommodation portion. Thereafter, an elastic element drives the sliding block to translate horizontally to a gripping position, thereby moving the first gripping portion to be engaged with the second gripping portion. When the pluggable plug is to be removed, it can be taken out only by moving the sliding block horizontally.
Electrical connector for use with cradle
An electrical connector includes an insulator adapted to be downwardly assembled into the housing of the cradle, and a set of contacts upwardly assembled into the insulator. Each contact includes a vertical retention section received in the corresponding retention slot in the insulator via an upward insertion process, and an upper spring arm extending from an upper edge of the retention section for mechanically and electrically connecting to the machine case, and a lower spring arm extending from a lower edge of the retention section for mechanically and electrically connecting to the cable. The free end of the upper spring arm is downwardly abutted against by the insulator while that of the lower spring arm is not.
Stacked receptacle connector integrated with RJ-45 connector and USB type-C connector
A stacked receptacle connector includes an insulative housing forming a first receiving cavity extending along a front-to-back direction, a second receiving cavity stacked on the first receiving cavity along a vertical direction perpendicular to the front-to-back direction, and a mounting cavity located behind and communicating with the first and second receiving cavities. A printed circuit board (PCB) is mounted to the mounting cavity. A first connector having a front portion received in the first receiving cavity and a rear portion connected to the PCB. The first connector is fitted to be inserted by a first plug connector along two opposite direction. A plurality of contacts each has a mating portion received in the second receiving cavity and a mounting portion connected with the PCB. A plurality of footer pins connected the PCB to electrically connect the first connector and the contacts to an exterior substrate.
An electrical connector includes an insulating housing, a dielectric body, a plurality of terminals integrally molded to the dielectric body, a shielding plate and a plurality of metal elements. The shielding plate is integrally molded to the dielectric body. The dielectric body together with the terminals and the shielding plate is assembled to a rear end of the insulating housing. The metal elements are mounted to a top surface and a bottom surface of the dielectric body. Each of the metal elements has a base plate, and a touch portion extended from the base plate. The base plates of the metal elements are mounted to the top surface and the bottom surface of the dielectric body, respectively. A tail end of the touch portion contacts the shielding plate. One side of the touch portion contacts one of the grounding terminals.
Method and system for performing a single localized read transaction in which multiple RFID tags are read
One embodiment is directed to a method of reading RFID tags in an interconnection system comprising at least one port. The method comprises initiating a localized read transaction to read any RFID tag attached to a first connector and any RFID tag attached to a second connector inserted into the port. The method further comprises, as a part of the localized read transaction, reading any RFID tag configured to respond to a first type of RFID interrogation signal, wherein the first connector comprises an attached RFID tag that is configured to respond to the first type of RFID interrogation signal; and, as a part of the localized read transaction, reading any RFID tag configured to respond to a second type of RFID interrogation signal, wherein the second connector comprises an attached RFID tag that is configured to respond to the second type of RFID interrogation signal. Other embodiments are disclosed.
Electrical connector with improved shielding shell
An electrical connector with improved shielding shell includes an insulating body having a base and a tongue plate; a terminal set comprising multiple terminals provided on two surfaces of the tongue plate; a shielding shell joined with the base, comprising an opening portion and a chamber in mutual communication, and furthermore, a top surface and a bottom surface of the shielding shell are provided with corresponding engagement units, respectively, two ends of each engagement unit are connected integrally with the shielding shell, and a buckling portion and a grounding portion extending into the chamber are provided on each engagement unit, respectively; and a rear cover joining the base and the shielding shell. Thereby, the buckling portion and the grounding portion of each engagement unit as well as the docking connector perform engagement and grounding capabilities, two ends of each engagement unit are connected integrally with the shielding shell, such that longer operating duration and better electrical characteristics are accomplished.
Electrical connector having improved terminals
An electrical connector includes an insulative housing, a number of terminals, and a metal shell attached to the housing. The terminals have a number of grounding contacts, power contacts, and signal contacts. Each terminal has a contacting portion, an inclined portion bent forwardly from the contacting portion at a bending point, and a soldering portion. The bending points have a first bending point located at the grounding contacts, a second bending point located at the power contacts, and a third bending point located at the signal contact. A distance between the first bending points of the grounding contacts and the insertion port is larger than that between the second bending points of the power contacts and the insertion port and smaller than that between the third bending points of the signal contacts and the insertion port.
Electrical connector with terminal array
An electrical connector is provided. The connector includes a housing having a wire end and a mating end. A terminal array extends between the wire end and the mating end of the housing. The terminal array has second terminals and first terminals. Each of the second terminals and the first terminals has a wire contact positioned at the wire end of the housing and a mating contact positioned at the mating end of the housing. The wire contact of each second terminal is positioned closer to the wire end of the housing than the wire contact of each first terminal. The mating contacts of the second terminals are positioned adjacent the mating contacts of the first terminals.
Notebook, laptop or portable computer power adapter with security lock
A power adapter is provided for a computer including a power port and a housing defining an aperture. The power adapter includes a power head, a lock head disposed on the power head and a main housing including a body affixed to a security element, wiring for supplying power to the computer extending through the body to the power head and a lock system selectively actuatable with a key to orient the lock head in first and second orientations. The first orientation is characterized in that the power head is movable relative to the aperture for power head insertion into and removal from the power port. The second orientation is characterized in that the power head is immovable relative to the aperture.
Mounting system for an electronic device
Disclosed is a mounting system for an electronic device includes a first portion associated with an electronic device and a second portion configured to mate with the first portion. The first portion includes a first face formed from an electrically insulating material, a first central electrical contact on the first face, a first plurality of radial electrical contacts on the first face and positioned around the central contact, a first ferromagnetic member. The second portion includes a second face formed from an electrically insulating material, a second central electrical contact on the second face, a first radial electrical contact on the second face, and a first magnetic member. Magnetic attraction between the first magnetic member and the first ferromagnetic member substantially maintains the first and second central electrical contacts in an electrically conductive relationship.
Coaxial cable connector having a body with an integral flexible pawl to capture a coaxial cable
A coaxial cable connector has a body and a longitudinal axis bounding an interior of the body. A pawl is carried in the interior of the body for engaging with a coaxial cable applied to the interior and for preventing the removal of the cable after having been applied to the interior. The pawl moves out of and into interference with the cable in response to the introduction of the cable into the interior and to the retraction of the cable along the longitudinal axis, respectively.
System having a plurality of plug-in connectors and multiple plug-in connector
A system having a plurality of plug-in connectors each with a housing, the shape of the housings differing such that the housings have first housing parts which, at least in terms of the interface connections to second housing parts, are identical to the other components of the particular plug-in connector, and second housing parts having identical connecting means for connecting with the first housing part, and differ slightly in the external shape which serves to form a coding by which the individual positions of the individual plug-in connectors on or in the multiple housing are assigned.
Connector with housings held in an assembled state by externally exposed locks at positions to be gripped for connection to or separation from a mating housing
A connector is miniaturized and while still preventing damage to locking lances. Deflectable first and second locking lances (19, 79) configured to lock first and second terminal fittings (11, 61) are arranged to be exposed on first and second facing surfaces (15, 75) of first and second housings (10, 60). When the first and second housings 10, 60 are assembled, the first and second locking lances (19, 79) are arranged back-to-back with each other. Surfaces of the first and second locking lances (19, 79) facing the first and second cavities (17, 77) on tip parts in a projecting direction are continuous without any step and include locking surfaces (23, 83) configured to lock the first and second terminal fittings (11, 61) on tips in the projecting direction.
USB-A slide port
A device which is equipped with a USB connection, and which is configured to receive a USB connector, includes a housing that defines a channel therein. A USB connection is positioned at an end of the channel. A slideable panel is engaged to the channel, and is slideable between a covered position and an uncovered position. In the covered position USB connection covered and protected. In the uncovered position the USB connection is exposed for use. Alternatively, the device does not include the channel and the panel is made up of one or more leaf covers.
Electrical socket connector with a shutter
An electrical connector (50) comprises a housing (54b) provided with socket holes (52) for the reception of connector pins of a mating connector. A shutter (58) is provided linearly movable between a first end position, in which it covers socket holes, and a second end position, in which no socket holes are covered. Biasing means (60) are adapted to bias the shutter towards the first end position thereof. By providing the biasing means as at least one torsion spring (60)) having a first leg (60a) and a second leg (60b) interconnected by a helical spring portion (60c), very small dimension of the connector can be achieved.
What is described is a plug-in connector comprising a housing and at least one chamber for receiving at least one electrical contact element that can be attached via a locking element inside the housing, wherein the locking element is a locking hook arranged at the contact element, wherein the locking hook can be latched in inside the housing in an opening that is adjusted to it, wherein the at least one contact element is a spring contact element, with its spring contacts being formed as legs of a sheet metal that is bent into a U-shape, characterized in that the snap-in element is arranged in a lid-like manner above the sheet metal bent into a U-shape, and namely in such a manner that it reaches up to the front area of the spring contacts.
Connector with streamline locking lances
A connector is miniaturized and while still preventing damage to locking lances. Deflectable first and second locking lances (19, 79) configured to lock first and second terminal fittings (11, 61) are arranged to be exposed on first and second facing surfaces (15, 75) of first and second housings (10, 60). When the first and second housings 10, 60 are assembled, the first and second locking lances (19, 79) are arranged back-to-back with each other. Surfaces of the first and second locking lances (19, 79) facing the first and second cavities (17, 77) on tip parts in a projecting direction are continuous without any step and include locking surfaces (23, 83) configured to lock the first and second terminal fittings (11, 61) on tips in the projecting direction.
Conductive base for illuminating building blocks
A conductive base for illuminating building blocks has a base plate, an anode conductive component, and a cathode conductive component. The base plate further has a plurality of hollow studs. The anode conductive component and the cathode conductive component electrically connect to an external power supply. The anode conductive component and the cathode conductive component are projected out of recesses of the hollow studs to contact circuit boards of illuminating building blocks stacked on the base plate and then build electric connections. The neighboring illuminating building blocks stacked on the base plate can emit light together by the above base plate without intricate circuits.
Power inlet socket for providing power to electronic device
A power inlet socket coupled to a power delivering member of an electronic device to supply power from an external power plug to the electronic device includes a socket body comprising a power plug connector connected to the external power plug and a power delivering member connector connected to the power delivering member; three terminal pins, each terminal pin comprises a projecting pin extending from the power plug connector in parallel with one another to correspond to a terminal of the external power plug and a connection terminal exposed to the power delivering member connector; and an insulating barrier provided between at least a pair of connection terminals of the three terminal pins to cut off an electric current flowing among the connection terminals. Thus, the insulating distance of power inlet socket is improved.
Independent azimuth patterns for shared aperture array antenna
A multi-column antenna having ports for different sub-bands is provided. In one aspect of the invention, power dividers couple the sub-band ports to the columns of radiating elements. At least one power divider is an un-equal power divider to allow a half-power beam width (HPBW) of one sub-band to be configured independently of the HPBW of the other sub-band. The ports may be combined at the radiating elements by diplexers. According to another aspect of the present invention, a multi-column antenna has a plurality of first sub-band ports and a plurality of second sub-band ports. Each of the first sub-band ports is coupled to one of the columns by a first sub-band feed network. Each of the second sub-band ports is coupled to two of the columns by a second sub-band feed network including a power divider. The different sub-bands have different MIMO optimization of the same multi-column antenna.
Two-polarization switched-beam antenna for wireless communication systems
An antenna device including: a first antenna assembly configured to receive first radiofrequency signals polarized according to a first polarization; a second antenna assembly configured to receive second radiofrequency signals polarized according to a second polarization orthogonal to the first polarization; and a radiofrequency signal handling assembly coupled with the first and second antenna assemblies, and configured to handle the received first radiofrequency signals separately from the received second radiofrequency signals.
2-port antenna having optimum impedances of a transmitter and a receiver
An antenna is described including a slot formed in a cavity, a substrate configured to cover a portion of the cavity and the slot, and a first port and a second port configured to supply power to the antenna using a first feeding line and a second feeding line. Each of the feeding line and the second feeding line is connected to the slot in a vertical direction and disposed to be separate from one another. A first input impedance of the antenna from the first port differs from a second input impedance of the antenna from the second port.
Horn lens antenna
An antenna includes a receiver, a horn, a lens, and an anti-reflection layer. The horn has a first end disposed on the receiver and a second end defining an aperture positioned opposite the receiver. The lens is disposed within the aperture of the horn and has a first surface facing inward toward the receiver and a second surface opposite the first surface and facing outward away from the horn. The anti-reflection layer includes a dielectric material and is disposed on the first surface of the lens. Moreover, the anti-reflection layer defines holes arranged in a 50/50 material to void ratio and that have a thickness of a quarter wavelength of a signal received by the antenna.
A patch antenna includes: a substrate configured with a dielectric material; a ground electrode formed on one side surface of the substrate; and a radiation electrode having a rectangular shape formed on another side surface of the substrate, wherein a slit is formed in the radiation electrode in parallel to a first side of the radiation electrode to be shorter than the first side, and each of a gap between the slit and the first side and a gap between the slit and a second side facing the first side is shorter than the first side.
Antenna device and electronic equipment
An antenna device according to one of embodiments includes: an antenna substrate around which an antenna coil is wound; metallic foil arranged on the antenna substrate to be superposed on a portion of the antenna coil; and a magnetic sheet arranged to be superposed on the antenna coil. On the first side of the antenna coil in which a current flowing is carried in one direction, the antenna coil is closer to the reader/writer than the magnetic sheet is, and/or, on the second side of the antenna coil in which the current flowing is carried in another direction, the magnetic sheet is closer to the reader/writer than the antenna coil is. The metallic foil is superposed on the second side of the antenna coil.
Loop antenna with a magnetically coupled element
A loop antenna with a magnetically coupled element is described. In an embodiment, the loop antenna comprises a loop element that has a feed contact and a ground contact. The loop antenna further comprises an open ended conductor that is magnetically coupled around the ground contact.
Antenna device with continuous bending structure and application system using the same
The disclosure is related to an antenna device with continuous bending structure using the antenna. The radiation body of the antenna device includes a main region having at least three L-type continuous bending structures, and a ground region having at least one L-type bending structure. Two adjacent sides of the planar structure of the antenna device render an aspect ratio of approximately one to one. A signal feeding point and a signal grounding point are formed upon the main region. The two points are connected over a wire for forming a signal-feeding direction. According to a demand, the aspect of the present invention allows for modifying the signaling direction of the antenna by adjusting the mounting angle in an electronic device so as to modify the direction of radiation field intensity of the electronic device.
Terminal antenna structure and terminal
A terminal antenna structure, the antenna structure includes: a dielectric plate, a metal plate, a coplanar waveguide (CPW) feeding strip, and a feeding point, where the metal plate covers a dielectric plate; the CPW feeding strip and the feeding point are disposed on the dielectric plate; the feeding point is disposed at one end of the feeding strip, and the feeding point is connected to the metal plate to implement feed connection between the CPW feeding strip and the metal plate; a hole is opened on the metal plate, and the hole includes a first part and a second part on one side of the first part close to the center of the metal plate or on two sides of the first part.
Antenna device and electronic device including the same
Various embodiments of the present disclosure may provide an electronic device that includes: a first cover configured to form a first surface of the electronic device; a second cover configured to form a second surface of the electronic device, the second cover being opposite to the first surface; a conductive sidewall configured to surround at least a part of a space formed between the first cover and the second cover; a conductive member located in the space and configured to integrally extend from the conductive sidewall, the conductive member including a first surface directed toward the first cover and a second surface directed toward the second cover; a non-conductive member located in the space to make contact with the conductive member, the non-conductive member including a first surface directed toward the first cover and a second surface directed toward the second cover; a conductive pattern disposed on the second surface of the non-conductive member and electrically connected to the conductive member; and a conductive structure disposed between the conductive pattern and the conductive member to electrically connect the conductive pattern to the conductive member. The non-conductive member may include a via hole that at least partially passes through the area between the first surface and the second surface thereof, and the conductive structure may include a first part having a first cross-sectional area and a second part having a second cross-sectional area that is larger than the first cross-sectional area, wherein at least a part of the conductive structure may be disposed within a through-hole of the non-conductive member, and the second part may be disposed closer to the second surface of the non-conductive member than the first part. Various other embodiments are possible.
Antenna module and mobile terminal using the same
The present disclosure relates to an antenna module and a mobile terminal having the same, and the antenna module may include a conductive member, a first conductive arm formed at one side of the conductive member to form a first loop along with the conductive member so as to implement a first resonant frequency, a second conductive arm formed at the other side of the conductive member to form a second loop along with the conductive member so as to implement a second resonant frequency different from the first resonant frequency, a first feeding portion formed adjacent to the first conductive arm to feed the first conductive arm and conductive member, and a second feeding portion formed adjacent to the second conductive arm to feed the second conductive arm and conductive member.
Wireless apparatus, wireless abnormality notification system using same, and wireless remote control system
A wireless apparatus includes an antenna, a circuit board configured to form a wireless communication circuit that is connected to the antenna, and a housing configured to accommodate the circuit board and formed by resin molding. A linear conductor extends from a ground of the circuit board.