Modular scalable liquid cooled power system
A scalable liquid cooled power system using a number of modularized, hot-plug, hot-swap, and scalable liquid-cooled power conversion modules mounted on mating mounting assemblies. A modularized, scalable liquid coolant manifolds and liquid cooling management system provides coolant circulation through the power conversion modules. The system optionally includes a highly scalable system control and administration system, and optionally provides the facility for on-board liquid-to-air heat exchanger system, or off-board cooling using an external heat exchanger system.
Mixed-mode data center control system
A method and apparatus are provided for controlling the operation of a data center wherein a computer cluster, managing terminal, and an interface device are deployed to control the operation of a data center component. The computer cluster, managing terminal, and the interface device take turns in controlling the operation of the data center component in dependence upon changes in the state of a the data center component, or changes in the states of various other groups of data center components. Objectives for the data center may be broken down into sub-objectives to be performed by portions of the data center.
Ultrasound assisted immersion cooling
Apparatuses, methods and storage media associated with cooling one or more heat-generating components of an electronic device are disclosed herein. In embodiments, an electronic device may include a tank that may include a dielectric fluid and one or more heat-generating components. The electronic device may further include one or more transducers coupled with the tank. The transducers may be configured to generate an ultrasonic wave that controls movement of the dielectric fluid at a location within the tank. Other embodiments may be described and/or claimed.
Heat generating electric device having carbon nanotube housing and thermal storage medium
An electric device is disclosed capable of generating heat during operation. The electric device can be in thermal communication to dissipate the heat through the use of carbon nanotubes and/or a phase change material. In one form the electric device includes a housing that has the carbon nanotubes. The housing, furthermore, can be a composite that in some embodiments does not provide as effective heat transfer as the carbon nanotubes. The electric device can take the form of a power electronic device in some embodiments and a device having a rotor and stator in others. Such embodiments include motors and/or generators.
Cooling device with temperature sensor failure detection
Disclosed is a cooling device which can perform cooling with suppressed power consumption and noise even when temperature sensor is in failure without increasing cost.The cooling device includes a temperature estimation unit which, if a failure is detected in at least one of heat source temperature sensors (HSTSs) measuring temperature of the heat sources (HSs), estimates a value to have been measured by the failed HSTS based on measured values by the HSTSs not in failure, a measured value by an exhaust temperature sensor measuring an exhaust temperature which is temperature of an air outlet for discharging heat generated by HSs from a housing containing the HSs, and information representing a temperature distribution characteristic within the housing; and a rotational frequency calculation unit which calculates a rotational frequency of a cooling fan which rotates based on the estimated value and the measured values by the HSTSs not in failure.
Electric equipment and air conditioner
An electric equipment includes: an electric component box; a control board accommodated in the electric component box and provided thereon with a heat-generating electric component; a heat sink thermally connected with the electric component; and a sheet material provided between the electric component box and the control board, wherein the sheet material is made of an elastic material and provided with an opening section through which the heat sink projects outward, the opening section is provided with a convex section formed integrally with the sheet material and configured to be elastically deformed to engage the sheet material with the heat sink, and the electric component box is provided with a heat sink hole through which the heat sink and the convex section project outward of the electric component box. An air conditioner is provided with such electric equipment.
Fiber optic shelf with a removable roof panel
A shelf includes a receptacle having first and second outer sidewalls, a rear sidewall extending between the sidewalls, a pair of tracks extending along lower edge sides of the sidewalls, and a roof extending between upper edge sides of the sidewalls. The roof includes a permanent section and a removable front access panel. The shelf further includes a drawer, having a floor, two side-rails extending along opposite edge sides of the floor, and a front panel extending away from a front edge side of the floor. The receptacle is configured to slidably receive the drawer with the tracks being engaged with the side-rails. The removable front access panel includes a pair of slats configured to engage with the permanent section of the roof and a pair of tabs configured to fixedly attach the removable front access panel to the first and second outer sidewalls of the receptacle.
Server apparatus and cable management mechanism thereof
A server apparatus includes a holding portion, a server module, a cable management mechanism, a cable, and a tray movably disposed on the holding portion. The cable management mechanism is disposed at a side of the tray and includes first and second racks, a reversing module, and a pillar disposed on the second rack. The first rack is fixed to the holding portion. The second rack is slidably disposed at the side of the tray. The reversing module is connected to the tray and engaged with the first and second racks respectively. The cable is coupled to the server module when the cable is wound on the pillar along the side of the tray. When the tray is pulled outward, the second rack moves inward with movement of the reversing module for making the pillar move inward.
Electronic component assembly, connection structure between electronic component assembly and terminal fitting, and electrical connection box having electronic component assembly
Provided is an electronic component assembly that can reduce a housing space in a fitting direction of a bus bar and a terminal fitting. An electronic component assembly includes a relay, a diode, a plurality of bus bars, and a plate-shaped resin member. The relay has a relay main body having a rectangular parallelepiped outer shape, and a plurality of terminal portions protruding from a bottom surface of the relay main body. The plurality of bus bars is configured such that one end side is soldered to a terminal portion of the relay or a terminal portion of the diode, and the other end is fitted to a terminal fitting. The one end sides of the plurality of bus bars are embedded in the resin member.
Outer sleeve for CATV filter
An outer sleeve for a CATV filter has, in one embodiment, a first end and a second end. The second end has a face with one or more engagement holes.
Table-mounted cord retractor
A table-mounted cord retractor for cord storage includes a frame with a first end from which a cord extends, a second end, and a pair of opposed, spaced sidewalls. The cord retractor also includes a sled slidably engageable between the sidewalls for movement therealong and a pulley mount slidable along the sled and spring-biased toward the second end, a pulley journaled to the pulley mount, and at least one cord-retainer adjacent to the pulley mount; a retractable pull tether at the second end of the frame having a tether line extending toward the first end to attachment with the sled; and an electronic cord having a proximal end portion adjustably clamped by the cord manager. The cord has a length to be stored in or extended from the frame depending on the needs of a user.
Electronic component housing container and electronic device
An electronic component housing container includes a container body housing an electronic component inside a cavity constituted by a bottom plate and a side wall which surrounds a center region of the bottom plate, and an input-output terminal. The input-output terminal includes an insulation member, a pin terminal, and a ring-like member. The insulation member is bonded to a periphery of an opening of a through hole provided in the side wall so as to close the through hole. The pin terminal has a flange portion protruding from an outer peripheral surface thereof, and is pierced through the insulation member. The flange portion is bonded to the insulation member. The ring-like member is bonded to the outer peripheral surface of the pin terminal and to the insulation member, on an opposite side to a surface of the insulation member to which the flange portion is bonded.
Conduit apparatus usable with electrical enclosure apparatus
An improved conduit apparatus in accordance with the disclosed and claimed concept includes one or more conduits that each enclose therein an electrical conductor that carries a phase of a multi-phase electrical supply. The conduits are connected to the walls of the electrical enclosures with an attachment apparatus that extends between the conduits and the walls of the electrical enclosures. A clamp apparatus retains the electrical conductors in a state of tension within an interior region of the conduits in a position spaced from the walls of the conduits.
Portable tactile electronic object
A portable electronic object is provided with a case including a middle part closed by a back cover and by a glass and a bezel fixed to the middle part. The case contains at least one electronic module formed of a printed circuit board to which is fixed at least one microcontroller sending information to a display. The object further includes a tactile control including at least one base element on which there is arranged at least one electrode. The electrode is electrically connected to the microcontroller by a conductive path.
Soldering iron with automatic soldering connection validation
A soldering iron station and a method thereof for a soldering joint connection validation, the method including: identifying a type of the soldering cartridge being used; performing a preliminary validation by measuring the soldering tip temperature, after the soldering event has started; monitoring the power level delivered to the soldering tip to detect liquidus occurrence; determining the thickness of an intermetallic component (IMC) of the soldering joint; determining whether the thickness of the IMC is within a predetermined rage, within a predetermined cooling time period; and indicating that a reliable soldering joint connection is formed, when the thickness of the IMC is within the predetermined rage, within the predetermined cooling time period.
Wiring board and method for manufacturing same
To provide a wiring board excellent in connection reliability with a semiconductor chip. A first buildup layer 31 where resin insulating layers 21 and 22 and a conductor layer 24 are laminated is formed at a substrate main surface 11 side of an organic wiring board 10. The conductor layer 24 for an outermost layer in the first buildup layer 31 includes a plurality of connecting terminal portions 41 for flip-chip mounting a semiconductor chip. The plurality of connecting terminal portions 41 is exposed through an opening portion 43 of a solder resist layer 25. Each connecting terminal portion 41 includes a connection region 51 for a semiconductor chip and a wiring region 52 disposed to extend from the connection region 51 along the planar direction. The solder resist layer 25 includes, within the opening portion 43, a side-surface covering portion 55 that covers the side surface of the connecting terminal portion 41 and a projecting wall portion 56 that is integrally formed with the side-surface covering portion 55 and disposed to project so as to intersect with the connection region 51.
Electronic component-mounted structure, IC card and COF package
Disclosed is an electronic component-mounted structure including: a substrate, a conductive wiring pattern formed on a surface of the substrate, and an electronic component having an external terminal and being placed on the surface of the substrate at a mounting position including a terminal joint position of the conductive wiring pattern. The external terminal is joined to the conductive wiring pattern at the terminal joint position such that the external terminal is embedded in the conductive wiring pattern. Therefore, the junction between the external terminal and the conductive wiring pattern can have a high strength as compared with that obtained by joining the external terminal of the electronic component to the conductive wiring pattern merely on the surface of the conductive wiring pattern.
Substrate for suspension, and production process thereof
The present invention provides a substrate for suspension that includes a first structural part including a metal supporting substrate, an insulating layer, a wiring layer, and a cover layer, and a second structural part formed so as to extend continuously from the first structural part and has no metal supporting substrate. A position of an edge of an upper surface of the insulating layer coincides with a position of an edge of the lower surface of the cover layer or the position of the edge of the upper surface of the insulating layer is positioned on a side closer to the wiring layer than to the position of the edge of the lower surface of the cover layer at a boundary region between the first structural part and the second structural part.
Wrap-around micro-wire circuit method
A method of making a micro-wire circuit structure adapted for wrapping includes providing a display and a flexible substrate. The flexible substrate includes a plurality of electrically conductive micro-wires on, in, or adjacent to a common side of the flexible substrate and forming micro-wire electrodes in a touch portion of the flexible substrate. One or more electrical circuits is located on or in a circuit portion of the flexible substrate and one or more micro-wires electrically connects the one or more electrical circuits to corresponding micro-wire electrodes. The flexible substrate is located in relation to the display with the touch portion located adjacent to a display viewing side, the circuit portion located adjacent to a display back side, and an edge portion of the flexible substrate wrapping around a display edge from the display viewing side to the display back side.
Electronic device with reduced-stress flexible display
An electronic device may have a flexible display. The display may have portions that are bent along a bend axis. The display may have display circuitry such as an array of display pixels in an active area and signal lines, thin-film transistor support circuitry and other display circuitry in an inactive area of the display surrounding the active area. The display circuitry may be formed on a substrate such as a flexible polymer substrate. The flexible polymer substrate may be formed by depositing polymer on a support structure that has raised portions. The raised portions may create locally thinned regions in the flexible polymer substrate. The reduced thickness of the flexible polymer substrate in the thinned regions may help ensure that a neutral stress plane that is associated with bending the display along the bend axis is aligned with the display circuitry, thereby minimizing stress in the display circuitry.
Boron nitride/resin composite circuit board, and circuit board including boron nitride/resin composite integrated with heat radiation plate
A boron nitride/resin composite circuit board having high heat dissipation characteristics and high reliability is provided. A boron nitride/resin composite circuit board, including: a plate-shaped resin-impregnated boron nitride sintered body having a plate thickness of 0.2 to 1.5 mm, the plate-shaped resin-impregnated boron nitride sintered body including 30 to 85 volume % of a boron nitride sintered body having boron nitride particles bonded three-dimensionally, the boron nitride particles having an average long diameter of 5 to 50 μm, and 70 to 15 volume % of a resin; and a metal circuit adhered onto both principal planes of the plate-shaped resin-impregnated boron nitride sintered body, the metal circuit being copper or aluminum, wherein: a ratio of a linear thermal expansion coefficient in a plane direction of the resin-impregnated boron nitride sintered body at 40 to 150° C. (CTE1) and a linear thermal expansion coefficient of the metal circuit at 40 to 150° C. (CTE2) (CTE1/CTE2) is 0.5 to 2.0.
Systems and methods for buffer gas flow stabilization in a laser produced plasma light source
An extreme-ultraviolet (EUV) light source comprising an optic, a target material, and a laser beam passing through said optic along a beam path to irradiate said target material. The EUV light source further includes a system generating a gas flow directed toward said target material along said beam path, said system having a tapering member surrounding a volume and a plurality of gas lines, each gas line outputting a gas stream into said volume.
Lightning protection sheet with patterned discriminator
A lightning protection system is provided, typically for use on an outer surface of an aircraft, which includes the use of a lightning protection sheet that includes an electrically conductive film and at least one patterned, electrically non-conductive discriminator layer.
Method for controlling communications terminal and program
A method for controlling a communications terminal is provided. The method includes causing a computer included in the communications terminal to store first illumination setting information and second illumination setting information in the memory; causing the computer of the communications terminal to transmit, at a certain illumination start time at which the illumination device is to be turned on, a first control signal corresponding to the first illumination setting information to the illumination device such that the illumination device is set to the first illumination state; and causing the computer of the communications terminal to transmit, in a case where the sensor senses a motion of the communications terminal after the certain illumination start time has passed, a second control signal corresponding to the second illumination setting information to the illumination device such that the illumination device is set to the second illumination state.
Organic electro-luminescence light-emitting device and production method of the same
In order to provide an organic electroluminescent light-emitting device with less uneven brightness, which can be manufactured at low cost, a plurality of ribbon-like organic electroluminescent elements are connected to wires, which are connected to electrode terminals for energization at specific locations in a terminal region and mounted on a base material which has a substantially plate-like shape.
Active flicker cancellation in lighting systems
Compensating for disturbances in light output by a light source includes sensing light output by a light source and generating a light-sense signal based thereon, detecting a disturbance in the light-sense signal, and generating an output signal to compensate for the disturbance. An LED is driven in accordance with the periodic output signal to thereby compensate for the periodic disturbance.
An object is to solve a problem in that, in a light-emitting device including a plurality of units including a light-emitting element group connected in series, when disconnection is caused, a current does not flow to the whole of the unit and the whole of the unit is in a non-light emitting state. A light-emitting device has a circuit in which a plurality of units each including a light-emitting element group connected in series using a connection wiring group is provided and the plurality of units is connected in parallel. Further, the circuit includes a subsidiary wiring for electrically connecting one of the connection wirings included in one of the units and one of the connection wirings included in another of the units, whereby a countermeasure against disconnection can be taken.
Light emitting diode driving device with control based on LED setting resistance
A light emitting diode (LED) driving device with control based on LED setting resistance is disclosed. The LED driving device is applied to an LED lighting fixture having a setting resistor and is configured to modulate output voltage and output current according to the setting resistor to fit the power requirement of the LED lighting fixture. The LED driving device includes a power conversion module and a driving module. The driving module includes a microprocessor and controlling unit. The microprocessor is electrically connected to the LED lighting fixture for sensing the setting resistor and generates a controlling signal in accordance with the sensed setting resistor to the controlling unit. The controlling unit is electrically connected to the microprocessor and the power conversion module and configured to drive the power conversion module to modulate output current and output voltage according to the controlling signal.
Method for operating an LLC resonant converter for a light-emitting means, converter, and LED converter device
An LLC resonant transformer (19) for a lamp (5) comprises a primary circuit (19) and a secondary side (30) galvanically isolated therefrom. During operation of the LLC resonant transformer (19), a first switch (21) and a second switch (22) of a half-bridge to which an LLC resonant circuit (25-27) of the primary circuit (19) is connected are actuated in a clocked fashion. A load (5) to which an output (35) on the secondary side (30) supplies energy is detected on the basis of a measured variable (iavg) acquired in the primary circuit (20). The half-bridge (21, 22) is variably controlled on the basis of the measured variable (iavg) that is acquired in the primary circuit (20) and indicates the load (5).
LED lighting apparatus, current regulator for the LED lighting apparatus, and current regulation method of the LED lighting apparatus
The present invention discloses an LED lighting apparatus. The LED lighting apparatus includes a converter for transforming rectified voltage in accordance with a switching operation according to a driving pulse and outputting the transformed voltage, a current regulator for generating the driving pulse having a pulse width varied in response to a control signal and the amount of current of the converter and switching the operation of the converter using the generated driving pulse, and a peripheral circuit module for providing the control signal for controlling the dimming of an LED lighting.
LED lighting system
An LED lighting system is provided for connection to a variable power source providing input power, the LED lighting system having at least one power analyzing and processing circuitry connecting to the variable power source, and being configured to identify one or more characteristics of the input power, where the characteristics are selected from amplitude, frequency and pulse width of the input power, compare one or more of the characteristics of the input power to preset control criteria either in hardware or software or both to yield a comparison result, and then control the current control circuitry according to the comparison result.
Impingement microwave oven with steam assist
A combination oven that is operable with convection air, impingement air, microwave energy and steam in various combinations thereof. The oven has an oven chamber and a fan box that are located front to back. A fan in the fan box circulates heated air by discharging via openings in a top and a bottom and taking in via an intermediate opening of a baffle plate. Impingement plates are easily installed and removed in the oven chamber to provide impingement air upwardly or downwardly. Microwave energy is provided through the side walls of the oven chamber. Intake ports for cooling air are located in a bevel between the side walls and bottom wall of the oven's outer enclosure so as to allow the oven to be located right next to other structures, such as a wall. An interlock assembly is also provided for the oven door. A steam generation apparatus provides steam assist and includes a steam generation unit, a steam controller with control of retention and release of steam via the oven's vent.
Warm window buss bar system and safety mechanism
Disclosed is a warm window system that utilizes individual buss bars that are placed within the space between an inside window pane and an outside window pane and creates sufficient physical force to create an electrical contact on the tin oxide layer on the inside surface of the inside pane of glass. The buss bars have a modulus of elasticity to ensure sufficient electrical contact with the tin oxide layer to prevent the formation of hot spots and securely hold the buss bars in place. Both a z buss bar and c buss bar are also disclosed that are capable of generating a sufficient amount of reactive force to create a secure contact with a tin oxide layer on the interior surface of an interior pane of glass in a warm window system to hold the buss bar in place and provide a large contact surface area to provide sufficient electrical contact with the tin oxide layer to prevent hot spots. A safety circuit is also disclosed that utilizes a controller that generates a control signal to apply the ac power signal to the warm window system in response to a low voltage dc signal that is applied to an isolated strip of conductive material on the inner pane of glass that detects if the glass is broken. The low voltage signal does not provide a shock hazard and safely detects the status of the inner pane of glass.
Radio communication devices and methods for operating radio communication devices
According to an aspect of this disclosure, a radio communication device is provided including: a first transceiver configured to transmit and receive signals in accordance with a Cellular Wide Area radio communication technology; a second transceiver configured to transmit and receive signals in accordance with a Short Range radio communication technology or a Metropolitan Area System radio communication technology; a processor configured to at least partially synchronize the receiving or transmitting of signals of the first transceiver with the receiving or transmitting of signals of the second transceiver such that at least one of at least a part of the receiving and a part of the transmitting of signals of the first transceiver and of the second transceiver is carried out at the same time.
Context aware device disconnection
Systems, methods and products directed toward context aware device disconnection are provided herein. One aspect includes obtaining one or more physical measurements of an information handling device connected to one or more external systems, the one or more physical measurements being measured using one or more physical characteristic measurement elements; analyzing the one or more physical measurements using one or more policy settings configured in one or more disconnection policies stored on the information handling device; and initiating one or more disconnection events responsive to the one or more physical measurements matching the one or more policy settings. Other embodiments are described herein.
Method for transitioning between multiple reception levels
There is provided a method for enabling a user equipment (UE) to transition between a non-discontinuous reception (Non-DRX) level and at least one discontinuous reception (DRX) level. The UE in a DRX level wakes up periodically to monitor a scheduling channel. The method includes receiving a DRX indicator in a Non-DRX level with continuously monitoring the scheduling channel and transitioning from the Non-DRX level to a DRX level indicated by the DRX indicator. The UE can transition between multiple DRX levels by an explicit command/signaling.
Fast transition envelope tracking
Envelope power supply circuitry is operated in one of an off-state, a standby-state, and a transmit-state. In the standby-state, select components in envelope power converter circuitry in the envelope power supply circuitry are turned on in order to charge one or more inductive and/or capacitive elements therein to a maximum value necessary for supporting transmission of signals about a maximum output power. Accordingly, the envelope power supply circuitry is able to prepare to support transmission about any output power without knowing the output power ahead of time.
Changing radio bearer configuration or state
A first one of a wireless communication device (22) and a base station (20) performs a method for applying a change to a configuration or state of a radio bearer. The radio bearer supports the transfer of data over a radio connection between the wireless communication device (22) and the base station (20) with defined data transfer characteristics. The method includes performing a handshake with a second one of the wireless communication device (22) and the base station (20) to agree on a time to synchronously apply the change at the wireless communication device (22) and the base station (20). The method also includes, in accordance with the agreement, synchronously applying the change at that time.
Mitigating no-service delays for LTE capable wireless devices without LTE access permission
This disclosure relates to reducing or mitigating no-service delays for LTE capable wireless devices which do not have permission to access one or more LTE networks. According to some embodiments, a MME of a first PLMN may receive an LTE NAS request corresponding to a tracking area from a wireless device. The MME may determine to reject the request, and may send a rejection response to the request indicating that access to the first PLMN in the tracking area according to LTE is not available to the wireless device. The rejection response may further include extended cause information relating to whether or not the wireless device is permitted to access the first PLMN in other tracking areas according to LTE.
Data transmission method, data acquiring method, and electronic device
The present disclosure relates to the field of communication technology and discloses a data transmission method, a data acquiring method, and an electronic device, so as to address the existing technical problem that an operation for acquiring data through short-range transmission between two electronic devices is too cumbersome. The data transmission method is applied in a first electronic device and comprises: determining data to be transmitted; generating an access identifier for accessing the first electronic device based on the data to be transmitted and broadcasting the access identifier, the access identifier containing data identification information on the data to be transmitted; determining a second electronic device, a distance from the first electronic device to the second electronic device is not larger than a preset distance; and establishing data transmission between the first electronic device and the second electronic device based on the access identifier in such a manner that the second electronic device acquires from the first electronic device the data to be transmitted based on the data identification information.
Sharing wireless connection profiles between multiple operating systems
Embodiments of a system, apparatus and method for sharing wireless connection profiles between multiple OSs are generally described herein. In some embodiments, a first wireless connection may be established between a wireless communication device and an access point of a wireless network or one or more other devices of a peer-to-peer networking group while the wireless communication device is running in an OS. A wireless connection profile for the first wireless connection may be stored in a shared profiles storage associated with the device, and then may be retrieved from the shared profiles storage responsive to the device being booted in a different OS. A second wireless connection may be automatically established between the device booted in the different OS and the access point or the one or more other devices using the wireless connection profile retrieved from the shared profiles storage.
Method and apparatus of accessing channel in wireless communication system
A method and apparatus of accessing a channel in a wireless communication system is provided. The method includes receiving a first frame including configuration information on a channel allocated from a bandwidth including a primary channel, a secondary channel and an extension channel from an access point (AP), and transmitting a second frame to the AP by using the allocated channel. The configuration information includes an extension channel offset element field that sets the extension channel as the offset of the primary channel.
Method and apparatus for backoff for slotted channel access in wireless LAN system
The present invention relates to a wireless communication system, and more specifically, to a backoff method and apparatus in slotted channel access in a Wireless Local Area Network (WLAN) system are disclosed. A method for performing channel access by a station (STA) in a WLAN system includes: receiving restricted access window (RAW) configuration information for the STA from an access point (AP); performing a backoff procedure using a second backoff function state for channel access within the RAW; and performing a backoff procedure using a first backoff function state at an end of the RAW. The STA maintains a plurality of backoff function states including the first backoff function state used outside the RAW and the second backoff function state used within the RAW.
Dynamic use of RTS and/or CTS frames
A method is described for intelligently toggling request-to-send/clear-to-send (RTS/CTS) mechanisms on and off for a channel between an access point and a client device. In particular, the method may determine one or more characteristics related to the transmission of frames and toggle RTS/CTS based on these characteristics. The characteristics may describe (1) the airtime used to transmit frames, (2) the data rate used to transmit frames, (3) traffic measurements on the wireless channel between the access point and the client device, (4) overlapping basic service set traffic measurements, and (5) the number of data units included in frames to be transmitted. By toggling RTS/CTS on and off based on network/channel and frame conditions/characteristics, the method ensures that RTS/CTS is enabled when frame collisions are likely and/or channel capacity is low and disabled when frame collisions are unlikely and the overhead associated with RTS/CTS outweighs the potential benefits.
SDMA multi-device wireless communications
The present disclosure includes systems and techniques relating to wireless communications. A described technique, for example, includes transmitting a multi-user frame, in a frequency band, that concurrently provides data via spatially steered streams to a group of wireless communication devices; monitoring for acknowledgements, in the frequency band, to respective portions of the multi-user frame; detecting a lack of reception of an expected acknowledgement from a first device of the wireless communication devices; and transmitting, based on the lack of reception of the expected acknowledgement, a signal in the frequency band to prevent a transmission from a wireless communication device that is separate from the group of wireless communication devices, and to control transmission of an acknowledgement from a second device of the wireless communication devices.
RAT selection based on application preference
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE communicates with one or more base stations. The UE determines a first preferred RAT of a first application. The UE determines an RAT used on a first carrier in communication with the one or more base stations. The UE selectively allows and disallows the first application to communicate data with the one or more base stations on the first carrier based on the RAT used on the first carrier and the first preferred RAT.
Data and control multiplexing in PUSCH in wireless networks
Transmission of information in a wireless network is performed by allocating a channel from a transmitter to a receiver. The channel has at least one time slot with each time slot having a plurality of symbols. Each slot contains at least one reference symbol (RS). As information becomes available for transmission, it is classified as prioritized information (PI) and other information. One or more priority symbols are generated using the digital samples of the priority information. Other symbols are generated using the other data. Priority symbols are transmitted on the channel in a manner that separation of priority symbol(s) and a reference symbol does not exceed a time duration of one symbol. For example, Rank Indicator (RI) is transmitted using symbol k, ACKNAK is transmitted using symbol k+1; and the reference signal (RS) is transmitted using symbol k+2, wherein symbols k, k+1, and k+2 are consecutive in time. The other symbols are transmitted in available locations.
Method and system for enabling resource block bundling in LTE-A systems
A base station is provided. The base station includes a transmit path circuitry to transmit an indication of whether a subscriber station is configured with precoding matrix indicator/rank indicator (PMI/RI) reporting. The transmit path circuitry sets a pre-coding granularity to multiple physical resource blocks in the frequency domain to perform a same pre-coding over a bundled resource block if the subscriber station is configured with PMI/RI reporting. The bundled resource block includes multiple consecutive physical resource blocks in the frequency domain. The base station also includes a receive path circuitry to receive feedback from the subscriber station.
Cellular communication system support for limited bandwidth communication devices
A network node that serves a host cell in a cellular communication system transmits, at (a) first time interval(s), first control channel information on a control channel that extends over a first bandwidth of a radiofrequency spectrum. The first control channel communicates information necessary to enable a first type of communication device to receive data from the host cell. The first type of communication device can receive first bandwidth-wide signals. At (a) second time interval(s), second control channel information is transmitted on a second control channel of a first M-cell. The second control channel occupies a second bandwidth that is smaller than the first bandwidth. The second time interval(s) do(es) not coincide with any of the first time interval(s). A second type of communication device having reduced receive bandwidth capabilities compared to those of the first type of communication device is thereby made capable of being served by the node.
Carrier aggregation in a communication system
The disclosure relates to use of carriers for aggregation in a wireless system. A set of carriers available for use in carrier aggregation is first determined. It is then determined if at least one carrier of the set of carriers can become unavailable for use by a communication device. An indication of a configuration type of the at least one carrier is sent to the communication device, the configuration type being indicative of different behavior during a period. The at least one carrier is maintained in the set of carriers during said period. The communication device receives the indication. If a change in the availability state of the at least one carrier is determined, the communication is operated, device in relation to the at least one carrier, according to the availability state and the received indication during said period.
Terminal device, base station device and radio communication method
In a radio communication system using OCC for DMRS, a base station apparatus correctly receives PUSCH. If a first mode is set in which a demodulation reference signal of a physical uplink shared channel is multiplied by an orthogonal code determined in advance or if a temporary C-RNTI was used for a transmission of downlink control information, the demodulation reference signal of the physical uplink shared channel is multiplied by the orthogonal code determined in advance, and if a second mode is set in which the demodulation reference signal of the physical uplink shared channel is multiplied by an orthogonal code determined on the basis of cyclic shift information in the downlink control information and moreover, if an RNTI other than the temporary C-RNTI was used for the transmission of the downlink control information, the demodulation reference signal of the physical uplink shared channel is multiplied by the orthogonal code determined on the basis of the cyclic shift information in the downlink control information.
Reception device and reception method
Disclosed are a transmission device and a transmission method with which it is possible to prevent delays in data transmission and to minimize the increase in the number of bits necessary for the notification of a CC to be used, in cases where a CC to be used is added during communication employing carrier aggregation. When a component carrier is to be added to a component carrier set, a setting section provided in a base station: modifies a CIF table that defines the correspondence between code points, which are used as labels for the respective component carriers contained in the component carrier set, and the identification information of the respective component carriers; and assigns a vacant code point to the component carrier to be added, while keeping the correspondence between the code points and the component carrier identification information defined in the CIF table before modification.
Methods and apparatus for communicating resource information with a terminal device
Provided is a communication control device including a radio communication unit configured to perform radio communication with a plurality of terminal apparatuses of a primary system using communication resources of the primary system, and a generating unit configured to generate resource information for notifying a secondary system secondarily using the communication resources of available communication resources. The radio communication unit transmits the resource information generated by the generating unit through a downlink control channel including a common space that is decoded in common by the plurality of terminal apparatuses and a plurality of individual spaces that are decoded by only some of the plurality of terminal apparatuses.
Method and apparatus for transceiving a downlink control channel in a wireless communication system
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a downlink control channel. According to one embodiment of the present invention, a method in which a base station transmits a downlink control channel to a terminal in a wireless communication system comprises the steps of: transmitting one or more enhanced-physical downlink control channels (E-PDCCHs) within a resource region allocable for an E-PDCCH; and transmitting E-PDCCH allocation resource information for the one or more E-PDCCHs to the terminal. The E-PDCCH allocation resource information indicates the resource in which the one or more E-PDCCHs exist from among the resource region allocable to the E-PDCCH. An effective physical downlink shared channel (PDSCH) allocation resource region for the terminal can be determined on the basis of the E-PDCCH allocation resource information.
Inserting virtual carrier in conventional OFDM host carrier in communications system
A method allocating transmission resources in an OFDM wireless telecommunication system configured to communicate data using plural OFDM sub-carriers. The method allocates transmission resources provided by a first group of the plural OFDM sub-carriers within a first frequency band to terminals of first type; allocates transmission resources provided by a second group of the plural OFDM sub-carriers within a second frequency band to terminals of second type, the second group being smaller than the first group and the second frequency band selected from within the first frequency band; transmits control information including resource allocation information for terminals of the first type over a first bandwidth corresponding to the combined first and second groups of OFDM sub-carriers; and then transmits control information including resource allocation information for terminals of the second type over a second bandwidth corresponding to the second group of OFDM sub-carriers.
Inter-site carrier aggregation
The invention relates to an apparatus including at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: convey a radio resource reconfiguration message to a user device for carrying out secondary cell configuration for downlink data conveyance using inter-site carrier aggregation functionality, and obtain and/or convey information on completion of the secondary cell configuration and/or activate downlink data forwarding to a secondary cell node.
Methods and apparatuses for communicating content data to a communications terminal from a local data store
A communications terminal is configured to receive content data from a mobile communications network. The mobile communications network includes a core network part including a plurality of infrastructure equipment, and a radio network part including a plurality of base stations for providing a wireless access interface for communicating data packets to or from communications terminal. The core network part or the radio network part includes a local data store having stored therein content data, which has been received from an applications server via the core network, and the communications terminal is configured to transmit a request to access the content data from the applications server to the mobile communications network, and to receive the content data from the local data store as if the content data had been communicated from the applications server.
Enabling CDMA2000 system sharing in LTE
A method at a user equipment in an LTE system includes selecting one of a number of CDMA systems, and signaling indication(s) of the selected CDMA system to a network element. The network element receives indication(s) of CDMA system(s), which correspond to requested action(s) by a UE. The network element routes information corresponding to the requested action(s) to the CDMA system(s). Another network element in the LTE system signals to the UE indications of a mapping of a number of CDMA systems to associated ones of LTE system(s). The other network element receives signaling from the UE including indication(s) of selected CDMA system(s) selected by the UE.
Method and apparatus for acquiring synchronization between base stations in mobile communication system with distributed cell structure
A method for acquiring by a base station (BS) synchronization between BSs in a mobile communication system with a distributed cell structure is provided. The method includes measuring a timing error with other BS as a synchronization target. The method also includes performing a synchronization operation with the other BS using at least one first sub-frame based on the measured timing error, wherein a number of symbols included in a first sub-frame is less than a number of symbols included in a second sub-frame.
Apparatus and method for uplink synchronizing in multiple component carrier system
A user equipment (UE) of re-organizing a timing advance group (TAG) is provided. The UE comprises: a receiving unit for receiving, from a serving base station, secondary serving cell (SCell) configuration information which includes a first field and a second field, the first field including an ScellIndex of an SCell to indicate a removal of the SCell, the second field including at least one of the ScellIndex to indicate an addition of the SCell and a TAG ID indicating a TAG of the SCell, and a radio resource control (RRC) processing unit for performing the addition of the SCell after performing the removal of the SCell from one or more SCells configured in the UE, and for reorganizing the TAG by including the SCell in the TAG.
Terminal apparatus, base station apparatus, transmission method and reception method
Provided is a terminal apparatus in which, a transmission control unit (204) controls the transmission power of a sounding reference signal (SRS) by use of an offset value relative to the transmission power of a data signal, and a transmission unit (206) transmits the SRS by use of the transmission power as controlled. If a subframe to be used for transmitting the SRS is a predetermined subframe, the transmission control unit (204) uses a first offset value to control the transmission power of the SRS. Otherwise, the transmission control unit (204) uses a second offset value to control the transmission power of the SRS. The second offset value is an offset value that has been established so as to be transmitted to the serving cell of the terminal (200), and the first offset value is greater than the second offset value.
Apparatus and method for adaptive transmission power normalization in wireless communication system
A transmission normalization in a wireless communication system adopting hybrid beamforming is provided. An operating method of a transmitter includes transmitting control information on transmission power normalization, receiving information indicating a precoding matrix and an analog beam selected based on the control information, and transmitting a signal normalized using a normalization coefficient corresponding a combination of the precoding matrix and the analog beam.
Method and apparatus for determining transmission power of uplink control channel in wireless communication system
Disclosed are a method for determining the transmission power of an uplink control channel of a terminal which has been assigned, by a base station, two cells that have different UL-DL configurations, and an apparatus using the method. The method comprises: choosing a larger value between N1, the number of downlink subframes that correspond to subframe n of a first cell having a first UL-DL configuration, and N2, the number of downlink subframes that correspond to subframe n of a second cell having a second UL-DL configuration; and determining a parameter value based on the chosen value, wherein the parameter determines the transmission power of an uplink control channel which is transmitted in subframe n.
Apparatus and method
This invention suppresses power consumption of a mobile communication terminal apparatus in data exchange in wireless communications. For this purpose, when wireless communications are established between a mobile communication terminal apparatus (200) and MFP (300), the mobile terminal (200) sends a processing request to the MFP (300). Upon reception of this request, the MFP (300) re-establishes communications with the mobile terminal (200) so as to set a communication mode in a passive mode, and to share roles to have the MFP as an initiator, and the mobile terminal as a target.
Method and apparatus for signaling in dense network operations
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus identifies a UE relay and transmits a very low duty cycle signal (LDCS) configuration of the UE relay. The apparatus may comprise, e.g., an LPN that is not in a dormant state or a macrocell. The apparatus may receive LDCS information for the UE relay. The apparatus may determine the LDCS configuration and transmit the LDCS configuration to the UE relay.
Apparatus and method for controlling transmission schedule for buffered data in wireless LAN, and terminal for receiving buffered data based on transmission schedule in wireless LAN
Disclosed is a technology that enables an access point, configured to manage a network, to control a transmission schedule of buffered data and enables a terminal to obtain information associated with the transmission schedule in a wireless local area network (WLAN) environment. An apparatus for controlling a transmission schedule of buffered data in a WLAN according to an embodiment may group terminals based on at least one of a service characteristic and a traffic characteristic of each of the terminals, assign group information to each of the grouped groups to wake up in a different time, and transmit at least one of delivery traffic indication map (DTIM) information and the buffered data based on the assigned group information.
Method, device and system for discontinuous reception
A method and a device for discontinuous reception is disclosed. The method includes: configuring at least two on-duration time lengths of a discontinuous reception; performing the discontinuous reception according to a first on-duration time length in the at least two on-duration time lengths; switching the first on-duration time length of the discontinuous reception to a second on-duration time length according to the configured at least two on-duration time lengths when a set condition is satisfied; and performing the discontinuous reception according to the second on-duration time length.
Intelligent network selection based on quality of service and applications over different wireless networks
A system and method for selecting a wireless network is disclosed. The method relates to selecting a wireless network from plurality of wireless networks. A variation of the invention includes selecting a new platform from a plurality of platforms offered by the current service provider according to a service request from the wireless device. The method comprises determining a requested service associated with the wireless device, determining whether one of the plurality of wireless networks can provide the requested service, and, if one of the plurality of wireless networks can provide the requested service, choosing the one wireless network of the plurality of wireless networks. The method further involves using a variety of parameters in determining which wireless network to choose for servicing the requested service from the wireless device.
System coordinated WLAN scanning
The invention proposes a scan control device, wherein in the scan operation a network detection is performed, the device comprising a request receiving means for receiving at least one request for providing scan information, and a scan control means for performing a scan operation independently from receiving the scan information requests. The invention also proposes a corresponding method and a computer program product.
Determining the availability of a radio access technology
In systems and methods of determining the availability of a radio access technology, a first message is received from a wireless device in communication with an access node using a first radio access technology, wherein the first message comprises a request of the availability of a second radio access technology at the access node. Based on the first message, an identifier of the wireless device and an identifier of the first access node are determined. Based on the access node identifier, it is identified whether the second radio access technology is available at the access node, and a second message is sent to the wireless device instructing the wireless device to scan for the second radio access technology when it is available.
Method and device for obtaining duplex mode information of user equipment
A method and device for acquiring user equipment duplex mode information are disclosed by the present invention, wherein, the method includes: the user equipment establishes a radio resource control connection with a base station, and reports the user equipment duplex mode information when establishing the radio resource control connection. With the technical scheme provided in the embodiments of the present invention, the network side acquires the duplex mode of the user equipment.
Enabling down link reception of system and control information from intra-frequency neighbors without gaps in the serving cell in evolved-UTRA systems
Simplified communication between user equipment and a neighboring cell not the primary cell is achieved by restricting the transmission parameters, such as bandwidth, of the neighboring cell transmission and provision of a simplified secondary baseband processor in the user equipment.
Ensuring positioning quality-of-service during cell changes
Methods in a radio network node for assisting a positioning node during positioning of a target wireless device, wherein said positioning is based on radio measurements of uplink radio signals transmitted by the target wireless device, are disclosed. Corresponding radio network node apparatus are also described. An example method begins with detecting (210), at the radio network node, a cell change for the target wireless device. In response to the detected cell change, the radio network node selectively informs (230) a positioning node of the cell change. In some embodiments, the radio network node informs the positioning node only when there is a change in the transmission configuration in at least one cell or when measurements of the uplink radio signals cannot continue.
Handover method, system, and device
Embodiments of the present invention provide a handover method performed by a source access network device, which includes: sending, a handover request or a WLAN offload request to a UE, so that the UE determines information about a target AP according to AP information corresponding to a target RAN and information about a currently accessed AP, and sends a WLAN offload binding request carrying the information about the target AP to a target access network device in the target RAN, so as to complete a RAN handover, where the handover request or the WLAN offload request includes the AP information corresponding to the target RAN, and the AP information corresponding to the target RAN is information about an AP in a WLAN that covers, together with the target RAN, a location of the UE; and receiving a handover response or a WLAN offload response returned by the UE.
Packet switching domain handover method and system for GSM terminal
A domain handover method and system for a GSM terminal are described, a terminal protocol stack receiving a handover command from a network side, and notifying a physical layer to release a physical channel with a current cell, sending a synchronization request to the physical layer, after receiving a fed-back synchronization acknowledgement message, sending the physical layer a residence request carrying a system message of a handover target cell from the network side, after receiving a residence acknowledgement message from the physical layer, sending the physical layer a handover request carrying a handover type and a range of TA values. The physical layer judges whether to continue the PS handover or not according to a parameter carried in the handover request and the stored TA value. When continuing the PS handover, the terminal protocol stack instructs the physical layer to establish a physical channel with the target cell.
Differentiated VoLTE based on dual radio and DRVCC
Various embodiments provide methods and apparatus for network-controlled DRVCC. In an embodiment method, a wireless user equipment may include requesting handover of a voice over Internet protocol (VoIP) call from a first network to a second network, activating a second radio, continuing the voice call on the circuit switched (CS) domain of the second network, and communicating data for applications other than the voice call via the first network. An embodiment method may include determining whether the first network supports voice-over-LTE (VoLTE) calls, and deactivating a radio in response to determining that the first network supports VoLTE calls. An embodiment method may include determining whether a quality of the VoIP call satisfies a quality threshold, deactivating the radio continued to the second network when the quality of the VoIP call satisfies the quality threshold, and activating the second radio when the VoIP call quality does not satisfy the quality threshold.
Method of coordinating a path switch and network elements associated therewith
In one embodiment, the method includes instructing, by a controller, a switch to change from sending data via a first tunnel to sending data via a second tunnel. The first tunnel is between the switch and a first network element, and the second tunnel is between the switch and a second network element. The method further includes receiving, by the controller, acknowledgement from the switch, and notifying, by the controller, the second network element that packets will no longer be sent via the first tunnel in response to the received acknowledgement.
Wireless broadband communication method, device, and system to establish a bearer between a user equipment and a small cell
Embodiments of the present invention provide a wireless broadband communication method, device, and system, so as to increase bandwidth and capacity of mobile broadband communications and at the same time lower cost. The method provided in an embodiment of the present invention includes: establishing, by a macro base station, a Radio Resource Control RRC connection with a user equipment UE; receiving, by a small cell (small cell), a configuration message sent, through a wired or wireless interface, by the macro base station; and establishing, by the small cell, a user plane connection between the small cell and the UE based on the RRC connection and the configuration message, and establishing a data bearer with the UE on the user plane connection.
Medium access control header format
Systems and methodologies are described that facilitate employing a variety of medium access control (MAC) header formats in wireless communications. The MAC header formats can be specialized for a particular type of data included in a protocol data unit (PDU). In addition, the MAC headers can have a variable length to accommodate payloads of varying sizes without incurring unnecessary overhead. Further, mechanisms are provided to enable direct access and delivery of control PDUs to associated protocol layers to ensure better quality of service treatment.
Transmission mode selecting method, antenna transmission/reception combination determining method, device and system
Embodiments of the present invention disclose a transmission mode selecting method, an antenna TX/RX combination determining method, device, and system. The transmission mode selecting method includes: obtaining a first system capacity in a half-duplex transmission mode; obtaining a second system capacity in a full-duplex transmission mode, where the second system capacity is the maximum value among system capacities of a universal set of candidate antenna TX/RX combinations in the full-duplex transmission mode, or the maximum value among system capacities of a first subset of the candidate antenna TX/RX combinations in the full-duplex transmission mode, or a system capacity exceeding a system capacity threshold; and selecting a target transmission mode according to a comparison result between the first system capacity and the second system capacity, where the target transmission mode is a transmission mode corresponding to a larger value between the first system capacity and the second system capacity.
Radio station and method of processing user data with radio station
A radio station (1) includes a first part (1A) and a second part (1B). The second part (1B) can be arranged so as to be physically separated from the first part (1A) and is connected to the first part (1A) via a transmission line (40) so as to be able to communicate with the first part. The first part (1A) includes a first scheduling unit (20A) capable of performing dynamic scheduling to allocate a plurality of radio resources to a plurality of mobile stations or user data. The second part (1B) includes a second scheduling unit (20B) capable of performing, instead of the first scheduling unit (20A), at least a part of dynamic scheduling for a first mobile station connected to the second part (1B) among the plurality of mobile stations.
User equipment carrier activation
In one exemplary embodiment of the invention, a method includes: measuring at least one characteristic of a secondary component carrier to obtain a measurement result, where measuring is performed by an apparatus while the apparatus is in communication with a network via a primary component carrier with a network access node; and in response to the measurement result of the at least one characteristic being below a threshold, and further in response to receiving from the network access node an activation command for the secondary component carrier, considering the secondary component carrier as being undetectable.
Methods for carrier aggregation
Methods to manage multiple component carriers (CCs) efficiently in a mobile network with carrier aggregation (CA) enabled are proposed. For CC activation/deactivation, a single LCID value is used to represent both activation and deactivation command. A single command with multiple instructions is provided to activate and/or deactivate multiple CCs. In addition, unnecessary re-activation or re-inactivation of a CC is prevented, and explicit feedback for activation/deactivation is considered. For scheduling mechanism, a novel buffer status reporting (BSR) procedure is provided, where only one BSR is calculated after preparing all the transport blocks (TB) within one transmission time interval (TTI). Novel power headroom reporting (PHR) format and trigger are also provided. For DL-UL linking, various linking types are created based on whether there is carrier indicator field (CIF) in DL grant or UL grant. The various linking types are used in different applications to improve scheduling flexibility and load balancing.
Assistance information for flexible bandwidth carrier mobility methods, systems, and devices
Methods, systems, and devices for mobility management for wireless communications systems that utilize a flexible bandwidth carrier are provided. Some embodiments include determining and transmitting assistance information to one or more user equipment (UEs) to facilitate mobility management with respect to the flexible bandwidth carrier. Some embodiments include signaling flexible bandwidth carrier information to UEs including, but not limited to: UE-centric approaches, network-centric approaches, network-centric approaches with PLMN, SIB creation approaches, and/or application layer approaches. A flexible bandwidth carrier may involve a wireless communications system that may utilize portions of spectrum that may not fit a normal bandwidth. A flexible bandwidth carrier may be generated with respect to a normal bandwidth carrier through dilating, or scaling down, the time or the chip rate of the flexible bandwidth carrier with respect to the normal bandwidth carrier. Some embodiments may expand a bandwidth for a flexible bandwidth carrier.
Radio communication apparatus and radio communication system
A CQI control unit 401 inputs, to a subchannel selecting unit 402, subchannel estimation values for report bands which are based on control information received from a control information separating unit 221, at report timings based on the control information. The subchannel selecting unit 402 selects a predetermined number (M) of subchannels on the basis of the received subchannel estimation values, and inputs information indicating the selected subchannels and the qualities of the selected channels to a CQI constructing unit 403. Based on a predetermined format, the CQI constructing unit 403 constructs CQIs by using the qualities of the selected channels and the information indicating the selected channels, and inputs the CQIs to the coding unit 210. Here, as the channel quality, an average value of each of SNR, SINR, and CINR of subcarriers belonging to the subchannel is used. Alternatively, the poorest quality among the subcarriers included in the subchannel may be used as the channel quality of the subchannel, or information indicating the MCS required by the receiver may be used as the channel quality. In this way, it is possible to provide a method that enables the transmission of CQIs at their optimum intervals even in a case of a system using multiple discontinuous bands.
Method for estimating interference within a serving cell, user equipment, computer program and computer program products
The invention relates to a method 20 performed in a user equipment 8 for estimating interference within a serving cell 5 of a communication system 1. The user equipment 8 is connected to the serving cell 5 and the communication system 1 further comprising one or more neighboring cells 6, 7 to the serving cell 5. The method 20 comprises: receiving 21 neighboring cell reference signals transmitted in at least one of the neighboring cells 6, 7 and serving cell reference signals transmitted in the serving cell 5; and determining 22 a first interference estimate 1SC,iC of interference within the serving cell 5, the first interference estimate taking into account cancellation of interference from the neighboring cell reference signals. The invention also relates to a user equipment, computer program, and computer program product.
Information processing apparatus, communication system and communication state detection method of information processing apparatus
There is provided an information processing apparatus including an acquisition unit configured to acquire an interference index indicating a degree of interference in wireless communication between a wireless communication apparatus and a base station that is a connection target of the wireless communication apparatus, and position information related to a position concerning the interference index, and a generation unit configured to specify an interference index concerning a target area to detect a communication state of the wireless communication apparatus, based on the acquired position information, and generate communication state information to notify the communication state based on the specified interference index.
Transmitter assisted quality of service measurement
A method and apparatus for transmitter assisted Quality of Service (QoS) measurement. Time information is generated by the transmitter and transmitted along with a data transmission. A receiving device determines a QoS measurement based upon the time information and the received data. The time information indicates when the data was made available for transmission, which data transmission blocks belong to a single data transmission, and when a transmitter buffer was emptied. The QOS measurements are performance measurement such as, latency measurements and throughput measurements. The time information indicates a time reference relative to the timing of a wireless interface. The time reference is a System Frame Number (SFN), a Connection Frame Number (CFN), a relative count of frame numbers, a count of sub-frames, or a count of Time Transmission Intervals (TTIs). An aggregated QOS measurement is generated based upon the QOS measurement.
Radio communication system, radio station, network operation management apparatus, and network healing method
A radio communication system, a radio station, a network operation management apparatus, and a network healing method are provided that can suppress system performance degradation caused when a failure occurs in a radio base station, a network apparatus, or the like. In a radio communication system which includes multiple radio stations (10, 20) and a network operation management apparatus (30) managing the radio stations and in which network optimization is performed, at least one of a first radio station (10) in which a failure occurs, a second radio station (20) different from the first ration station, and the network operation management apparatus (30) sends alarm information regarding the failure.
Priority message management
Embodiments of the present invention provide methods, computer program products, and systems for priority message management. In one embodiment, users are associated with one or more identified networks, wherein the users connect to the one or more identified networks using one or more mobile devices. Embodiments of the present invention can detect the presence or absence of an associated user, and responsive to detecting a user's absence, can increase an amount of priority of a user's communications to a mobile device of a different user having an enabled screening feature. Increasing the amount of priority of users that have been identified as absent from the identified network can ensure important messages are delivered.
Methods and systems of internet protocol optimization for cellular data networks
In one aspect, a method includes detecting that a mobile device application in a mobile device has generated a TCP based protocol request. The TCP based protocol request is automatically converted by the mobile device to a cellular-data network protocol request with the mobile device application. Two or more IP proxy servers are identified. Wherein the two or more IP proxy servers provide internet access to a mobile device via a cellular data network. A list of physical locations of each of the two or more IP proxy servers is generated. A location of the mobile device is calculated. A distance between the mobile device and each of the two or more IP proxy servers is automatically determined. A step includes selecting a physically nearest IP proxy server of the two or more internet protocol (IP) proxy servers to the mobile device. A step includes communicating the cellular-data network protocol request to the physically nearest IP proxy server via, at least in part, the cellular data network.
Method and device for performing MDT measurement configuration
Disclosed are a method and device for performing MDT measurement configuration. The method includes: after receiving a notification of a change of subscription information about a user equipment, an MME storing a PLMN list for the user equipment to perform MDT measurement carried in the notification; and after receiving a notification for activating MDT measurement of the user equipment, the MME sending a trace start message to a serving base station of the user equipment, wherein the trace start message carries the PLMN list for the user equipment to perform MDT measurement.
Path loss calculation method, path loss calculation device, path loss calculation program, wireless communication system, and spectrum manager
A spectrum manager manages a secondary system that shares a frequency with a primary system. A communication unit receives a measurement value of reception power of a signal of the secondary system which is measured by a monitoring station, and holds the measurement value in a measurement result storage unit. A path loss estimating unit estimates a path loss at a first frequency, and a path loss correcting unit performs actual measurement correction on a path loss estimation value using one of a reception power measurement value of a radio signal of a secondary transmitting station measured at a second frequency different from the first frequency and a reception power measurement value of the radio signal of the secondary transmitting station measured in a period of time which is not used by the primary system. A permissible transmission power setting unit calculates permissible transmission power of the secondary transmitting station using the path loss estimation value which has been actually measured and corrected.
Method and system for long-range adaptive mobile beam-forming ad-hoc communication system with integrated positioning
Method and system for provided a long range, high capacity ad-hoc mobile communication network where a narrow antenna beam formed by a plurality of antenna elements, radio transceivers and digital spatial signal processing is used to provide a high accuracy positioning system integrated into the communication system. The relative positions and directive orientation of all the units in the network is done by mutual exchange of positioning data as an element in the communication protocol in the network.
Method and apparatus for supporting a control plane and a user plane in a wireless communication system
A method for and apparatus for supporting a control plane (C-plane) and user plane (U-plane) in a wireless communication system supporting multiple carriers is provided. A wireless device receives a signal to initiate inter-frequency measurement from a macro cell, performs the inter-frequency measurement, and determines to configure a small cell for data transmission based on the inter-frequency measurement. And, this invention includes that a C-Plane and a U-Plane split over different carriers are existed and operated more accurately and efficiently.
Intelligent role based access control based on trustee approvals
A device is configured to receive a role request to generate a role used for access control. The device may generate the role based on the role request. The device may associate a group of accounts, a group of resources, and a group of operations with the role. The device may receive an account trustee approval decision for the role from an account trustee. The account trustee may be responsible for managing at least one account included in the group of accounts. The device may receive a resource trustee approval decision for the role from a resource trustee. The resource trustee may be responsible for managing at least one resource included in the group of resources. The device may selectively cause an account to be permitted to perform an operation on a resource based on the account trustee decision and the resource trustee decision.
Location based access
A non-transitory computer readable medium for location based access includes instructions which, when executed by one or more devices, causes performance of operations including identifying a physical location of a client device, determining that the physical location of the client device meets a criterion for allowing access through an entryway, identifying a permission level associated with the client device, determining that the permission level associated with the client device meets a criterion for allowing access through the entryway, and, responsive at least to determining that the criterion have been met, allowing access through the entryway.
Method and apparatus for initializing an RFID tag via an optical display
A method and apparatus for initializing a radio frequency identification tag are disclosed. For example, the method receives an optical signal having a unique identifier and an encryption key from a display by a radio frequency identification repeater associated with the radio frequency identification tag, wherein the radio frequency identification repeater comprises an optical reader. The method then transmits a communication comprising radio frequency identification information associated with the radio frequency identification tag and the unique identifier via the radio frequency identification repeater to a wireless access point, wherein the communication is encrypted using the encryption key.
Remote device modification
Systems and methods for remote device customization and modification are provided. Various embodiments remove the need for a carrier to source multiple types of the same user equipment. In some embodiments, the user equipment can be customized upon activation using network communications. Historically, a carrier might have a variant of a phone for each mobile virtual network operator. However, management of the inventory and custom builds can be difficult and expensive. Some embodiments provide for a single global SKU and a single blank-slate device from an original equipment manufacturer. Carrier detection can be used when the phone is activated to create customized phone settings. For example, the look and feel can be updated to match preferences of a carrier (e.g., wallpaper, ringtones, default apps, etc.), corporate client, family, or another specified group of users.
Identifying devices with transpositional modulation
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for transmitting, by a first device, a transmission signal that includes a carrier signal modulated with a TM signal. Receiving a response signal from a second device in response to the transmission signal. Determining, whether the response signal includes the TM signal.
Method, apparatus and system for D2D communication
Method, apparatus and system for D2D communication are provided. The method includes: a first user equipment receives configuration message(s) from a network, wherein the configuration information about D2D discovery signal(s) is carried in the configuration message(s); the first user equipment detects D2D discovery signal(s) from a second user equipment according to the configuration information carried in the configuration message(s); the first user equipment transmits a request message to the network according to the result of the detection to acquire the identity of the second user equipment transmitting the detected D2D discovery signal; and the first user equipment receives a response message returned from the network, wherein the identity of the second user equipment or rejection information indicating the rejection to the discovery of the second user equipment by the first user equipment is carried in the response message. The present disclosure addresses the problem of the peer discovery of D2D incorporated in a cellular communication system.
Apparatus and method for processing an emergency alert service
A device providing an emergency alert service includes an RS frame encoder configured to generate an RS frame in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, a divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a FIC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, and a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion.
System and method for distance-dependent data exchange between wireless communication devices
In one embodiment, a method includes identifying a first data type and a first communication range for transmitting data of the first data type. The method also includes transmitting data of the first data type to a first wireless communication device located within the first communication range. The data of the first data type is transmitted using a first bandwidth based on the first communication range, and the data of the first data type is not decodable by a second wireless communication device located beyond the first communication range.
Identity and phone number verification
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving, from a computer system, a request comprising a phone number, identifying a primary channel and one or more secondary channels based on, at least in part, respective performance data of the primary and secondary channels, sending a first message comprising a first text string via the primary channel to a destination device associated with the phone number, after sending the first message, determining that a conversion event for the message and the primary channel did not occur within a specified time period, and based on the determining, sending a second message comprising the first text string via a particular secondary channel to the destination device.
Method for sending a data message during a telephone call
A method of sending data from a first party participating in a telephone call to a second party participating in the telephone call, comprising, in the terminal of the first party, storing, as a consequence of the telephone call, identifier data that identifies the second party; using the stored identifier data to determine automatically a destination address for a data message; and sending, during the telephone call, the data message with the automatically determined destination address. A method for sending data from a first party participating in a telephone call to a second party participating in the telephone call, comprising, in the terminal of the first party: providing, while the telephone call is on-going, a user selectable option to transfer data to another party participating in the telephone call without user specification of a destination address.
Teleconferencing system, method of communication, computer program product and master communication device
According to an aspect of the invention a teleconferencing system is conceived, which teleconferencing system comprises a master communication device and a plurality of satellite communication devices, wherein the master communication device is arranged to communicate with a far-end communication device through a global communication channel and to communicate with the plurality of satellite communication devices through a plurality of local communication channels, wherein the master communication device is further arranged to act as a portal between the far-end communication device and the satellite communication devices by forwarding voice communications received from the far-end communication device to the satellite communication devices through the local communication channels, and by mixing voice communications received from the satellite communication devices into a unified voice signal and sending said unified voice signal to the far-end communication device through the global communication channel.
Method and system for peer-to-peer communication among sites
A method and system are provided for peer-to-peer communication among a plurality of sites in a land mobile radio (LMR) system. The sites are interconnected by a data network, such as an IP network. When a site, referred to as the initiating site, intends to communicate with other sites, the initiating site transmits a call request message. The call request message is multicast over the data network to the intended recipients. The initiating site receives an acknowledgement message from the other sites confirming their willingness to communicate with the initiating site. The initiating site then sends a voice message, via multicasting, to the other sites interested in the call.
Device management based on tracking path taken by user
A path tracking application (or other mobile application) hosted on a host terminal is configured to track a path taken by the terminal, by communicating with output devices and beacon devices along the path.
Method and system for evaluating a user response to a presence based action
An approach and system for determining a level of effectiveness of a device action performed in response to the presence of a user is described. The system identifies a user associated with a presence signal transmitted by a transmitting object in use by the user during an event. The system also initiates a rendering of content associated with the user, an event host, one or more items associated with the event host, or a combination thereof at a sensing device that detects the presence signal. Still further, the system determines a response of the user to the content based on movement information, location information, transaction information, or a combination thereof associated with the transmitting object, the user, or a combination thereof during the event.
System and method for providing advertising based on mobile device travel patterns
Mobile device users may be tracked either via mobile-signal triangulation or via Global Positioning Satellite information. A mobile device user's recent movements may be analyzed to determine trails or traffic patterns for device user among various locations. Mobile device trail information, either for an individual user or aggregated for multiple users, may be analyzed to determine a next destination for the user. Electronic advertising content, such as advertisements, coupons and/or other communications, associated with the next destination may be sent to the mobile device. Additionally, the identity of the mobile device use may be known and the advertisements or coupons may be tailored according to demographic information regarding the mobile device user. In addition, destinations may be recommended to mobile device users based on the recent locations the users have visited.
Mobile device applications associated with geo-locations
Methods and systems for mobile devices are provided for providing mobile applications associated with geo-location. As such, mobile devices may automatically receive geographic location-specific messages when a user device is near a geographic location. In certain instances, geographic-based advertisements, coupons, promotions, etc. may be downloaded to a user device based on user preferences set in the operating system setting of a mobile device when a user device is moved into a perimeter around one or more geographic locations. The user device may also be set to receive or transmit a geographic location-specific message according to a set of preferences set by a user of a mobile electronic device.
Establishing presence by identifying audio sample and position
Systems and methods to capture, in a first device, a sample of audio data streaming from a server, transmit the sample to the server, and receive, in the first device, access to a secure service provided by the server when the server verifies that the first device is at a location of the audio based on the sample.
Notification to users of events
A method and system. User information is received at a storage location. The user information includes meeting and notification information. User activity is monitored based on the received user information. In response to a detection of a change in user activity, a determination is made of whether the change necessitates notifying a user. The user information in the storage location is modified, based on the detected change in user activity, when the user desires to change the notification information.
Location update method for terminal supporting multiple radio access technologies
A location update method for a terminal which supports multiple radio access technologies, according to the present invention, comprises the steps of: a terminal releasing the connection to wireless resources of the base station of a first network, which is able to access different networks simultaneously by using a first and a second radio access technology, in order to maintain an access only to the base station of a second network which uses the second radio access technology; establishing a layer 3 tunnel (L3 tunnel) to a virtual base station of the first network while maintaining an access only to the base station of the second network; and transmitting the location update of the terminal to the virtual base station of the first network to which the L3 tunnel has been established.
Mesh network applied to arena events
Mesh node modules are associated with competitors in an arena to relay through a mesh network formed by the modules competitor biometric and/or parameter information. This information may be selected to be viewed by individual fans accessing their consumer electronics devices during the competition.
Method and apparatus for expressing the accuracy of a measured location of a terminal
Provided is an apparatus and method for expressing an accuracy of a measured location of a terminal. The apparatus may include a storage unit to store accuracy information used for indicating an accuracy of a measured location corresponding to each of possible locations of the terminal. The apparatus may include a location information obtainment unit to obtain information associated with a location of the terminal. The apparatus may include a controller to express an accuracy of a measured location in the location of the terminal or an accuracy of a measured location in an area comprising the location of the terminal, based on the accuracy information.
Virtual linking using a wireless device
A system and method for virtual linking a wireless device to another device is disclosed herein. The system includes an access point and a controller configured to mediate transmissions between the wireless device and the another device. The system further includes a virtual device table and a permissions filter to ensure virtual linking between devices that have matching access right and requested services. The wireless device and the another device may have the same or dissimilar protocols.
Apparatus and system for short range communication using a protective encasement
A protective case for housing a wireless communication device is disclosed. The protective case is equipped with a communications module that may include a transceiver or transmitter configured for transmitting and receiving wireless communication signals without the assistance of any wireless communication circuitry within the wireless communication device. The communications module may be configured to enable communication between the protective case and one or more remote communication devices via a short range network. The communications module may be activated by a push-to-talk switch or the like, and may be powered by an integral auxiliary power source that may also be used to power or recharge the wireless communication device. The case may also include a processor or printed circuit board capable of interfacing with a processor of the wireless communication device.
Near-field communication system terminal
A terminal of a near-field communication system, including at least one element for spreading the spectrum of a received signal.
System and method for controlling advanced triggering operations in a telecommunication network
A network server may be configured to communicate triggers across a telecommunication network by receiving a trigger communication message that includes information suitable for causing a destination machine-to-machine device to perform operations in response to receiving the trigger communication message, receiving policy or charging information from a component in the telecommunication network, determining whether the trigger communication message should be sent to the destination machine-to-machine based on the received policy or charging information, and sending the trigger communication message to the destination component only when it is determined that the trigger communication message should be sent to the destination machine-to-machine based on the received policy or charging information.
Information processing device, communication system, and information processing method
An information processing device, includes a setting unit configured to set, based on user operations or predetermined rules, a priority order regarding multiple wireless communication devices sharing connection rights to connect to a predetermined network using wireless communication, wherein, in the event that transfer of the connection rights is to be performed between the multiple wireless communication devices using wireless communication, the transfer is performed based on the priority order set to the wireless communication devices which are the object of the transfer.
Scalable downmix design for object-based surround codec with cluster analysis by synthesis
In general, techniques are described for grouping audio objects into clusters. In some examples, a device for audio signal processing comprises a cluster analysis module configured to, based on a plurality of audio objects, produce a first grouping of the plurality of audio objects into L clusters, wherein the first grouping is based on spatial information from at least N among the plurality of audio objects and L is less than N. The device also includes an error calculator configured to calculate an error of the first grouping relative to the plurality of audio objects, wherein the error calculator is further configured to, based on the calculated error, produce a plurality L of audio streams according to a second grouping of the plurality of audio objects into L clusters that is different from the first grouping.
Wireless control and calibration of audio system
An audio system includes an enclosure, a speaker disposed in the enclosure, an audio source for providing an audio signal, and a controller. The controller is connected to the speaker and configured to drive the speaker according to the audio signal. The audio system further includes a wireless personal area network interface connected to the controller. The wireless personal area network interface can communicate with a wireless mobile device to effect settings changes for the audio system and to perform calibration for the audio system. Calibration can include near and far measurements using the microphone of the wireless mobile device.
Detecting the positions of earbuds and use of these positions for selecting the optimum microphones in a headset
Embodiments of the invention determine whether speaker earbuds of a headset are positioned in a user's ears. The headset may be a “Y” shaped headset with two earbuds having speakers and a plug for insertion into a jack of the audio device. Multiple microphones are located on wired lengths to the earbuds and a common wire between the lengths and the plug, to receive speech from the user's mouth. Each earbud may have a front and rear microphone, and an accelerometer. Embodiments can detect user speech vibrations at one or more of the microphones, and in the accelerometers in the earbuds. Based on these detections, it can be determined whether one or both of the earbuds are in user's ears. To provide more accurate beamforming, when only one of the earbuds is in the user's ears, only the microphones leading to that earbud are selected for beamforming input.
Transducer comprising moisture transporting element
A hearing aid or a transducer for use in a hearing aid, having a housing with an opening from an inner chamber thereof to surroundings thereof. A moisture transporting element is positioned in the opening. The moisture transporting element may be capillary channels or a thread made of fibers which may fan out at the outer side in order to increase evaporation. The chamber may be hydrophobic and surroundings of the opening be hydrophilic to encourage humidity to travel toward the humidity transporting element to be removed from the chamber.
Binaural hearing instrument and earpiece
A binaural hearing instrument and an earpiece for the binaural hearing instrument are enabled for broadband wireless data transmission to a further binaural hearing instrument. Wireless broadband binaural data transmission with high bandwidth and low resource requirement is afforded, while the devices can be manufactured easily and inexpensively. The hearing instrument has a housing, a signal processor, a receiver and an antenna for binaural data transmission. The housing can be worn at least partly in an auditory canal. A distal section houses the signal processor and the receiver. A proximal section adjacent to the eardrum and separated spatially from the proximal section houses the antenna. The antenna is disposed between the receiver and the sound outlet as far in the auditory canal as possible. The distance between the antennas of the two binaural hearing instruments is reduced compared with conventional positioning and the bit error rate is significantly improved.
Medical device coupling arrangement
Embodiments presented herein are generally directed to a coupling arrangement for securing an external component to a recipient of an implantable medical device. The coupling arrangement is configured to magnetically couple the external component to a recipient so as to minimize damage to tissue of the recipient adjacent to the coupling arrangement.
Spatial enhancement mode for hearing aids
Described herein are techniques for artificially enhancing spaciousness in a hearing aid to improve the music listening experience. Such spatial enhancement is produced by doing signal processing in the hearing aid that mimics the acoustic effects of well-designed concert halls. The same techniques can also be applied to improving the experience of listening to recorded music reproduced and amplified over a speaker system, or to music streamed to the direct-audio input of a hearing aid.
Electrode extraction terminal for unidirectional condenser microphone unit and unidirectional condenser microphone unit
An electrode extraction terminal extracting a generated current by contacting with a fixed electrode is disposed inside a unit case, and can change from a cardioid to a hyper cardioid. The electrode extraction terminal includes an electrode rod portion having a projection portion at a tip side; and a pedestal portion having a flat surface surrounded by a peripheral wall portion having a sitting height thereof same as that of the projection portion of the electrode rod portion, and facing the fixed electrode under a shape with a size showing a cardioid in directivity, wherein the flat surface is located orthogonal to an axis direction of the electrode rod portion. In a peripheral surface area of one or more sound holes of the flat surface, a minute concave-convex surface is provided to reduce an acoustic resistance value to show a hyper cardioid in directivity.
Electrostatic membrane pump/transducer and methods to make and use same
An improved electrostatic membrane pump/transducer having an array of electrostatic membrane pump transducers that utilize a venturi channel. The electrically conductive membrane of the electrostatic membrane pump transducers can be a polymer membrane coated with a conductive coating. The electrostatic membrane pump transducers can be optionally controlled such that one set is out of phase with another set.
Transducer and electronic device including the same
A transducer and electronic device including the same are disclosed. In one aspect, the transducer includes a first electrode and a membrane arranged over the first electrode and spaced apart from the first electrode. The membrane at least partially overlaps the first electrode. The transducer also includes a first support member that supports the membrane. The membrane includes a vibrating portion that is movable in a direction substantially perpendicular to the membrane and a fixed portion that is supported by the first support member. The first support member is configured to adjust the distance between the fixed portion and the first electrode.
Boundary binaural microphone array
A boundary binaural microphone array includes a pair of microphones spaced from one another by a distance between approximately 5 cm and 30 cm. The boundary binaural microphone array has a structural support that locates the microphones no more than approximately 4 cm off of a surface upon which the array is placed. The microphones are separated by a sound barrier that provides an interaural level difference in the amplitudes of the sound signals sensed by the two microphones.
Communication device and method for adapting to audio accessories
A communication device and method for adapting to audio accessories are provided. The communication device includes a memory; a first microphone, a connector for receiving data from an accessory device having a second microphone, and a processor interconnected with the memory, the microphone and the connector. The processor is configured to receive audio input and, when the audio input originated at the second microphone, to automatically apply equalization settings corresponding to the second microphone.
Location based storage and upload of acoustic environment related information
Systems and methods are described for storing and reusing previously generated/calculated acoustic environment data. By reusing acoustic environment data, the systems and methods described herein may avoid the increased overhead in generating/calculating acoustic environment data for a location when this data has already been generated and is likely accurate. In particular, the time and complexity involved in determining reverberation/echo levels, noise levels, and noise types may be avoided when this information is available in storage. This previously stored acoustic environment data may not be limited to data generated/calculated by the same audio device. Instead, in some embodiments an audio device may access a centralized repository to leverage acoustic environment data generated/calculated by other audio devices.
Echo cancellation and control for microphone beam patterns
Systems and methods for controlling echo in audio communications between a near-end system and a far-end system are described. The system and method may intelligently assign a plurality of microphone beams to a limited number of echo cancellers for processing. The microphone beams may be classified based on generated statistics to determine beams of interest (e.g., beams with a high ratio of local-voice to echo). Based on this ranking/classification of microphone beams, beams of greater interest may be assigned to echo cancellers while less important beams may temporally remain unprocessed until these beams become of higher importance/interest. Accordingly, a limited number of echo cancellers may be used to intelligently process a larger number of microphone beams based on interest in the beams and properties of echo cancellation performed for each beam.
Earphone with stand-alone high-frequency driver
An earphone with stand-alone high-frequency driver includes a casing, a low-frequency driver, a high-frequency driver, and a protecting cover. The casing defines a sound-guiding passage and a separating wall. The separating wall is formed on a side surface of the sound-guiding passage and defines a sound port, which is in communication with the sound-guiding passage. The high-frequency driver is disposed next to the separating wall and defines a sound-outputting direction. The protecting cover is mated to the casing and covers the high-frequency driver. The sound waves generated by both low- and high-frequency drivers are delivered externally through the sound-guiding passage. The earphone allows structural modifications and assembling the high-frequency driver and the protecting cover after a half-finished product (casing and low-frequency driver) is obtained. Hence, no major modification of the manufacturing processes is necessary, thus shortening the manufacturing time, lowering the manufacturing costs, and avoiding delay in product delivery.
Wireless microphone system and transmission power control method
A wireless communication apparatus and transmission power control method are disclosed, which can sustain communication with all microphone handsets while avoiding an increase in radio interference to another radio communication system as much as possible when radio communication is performed with a plurality of microphone handsets. In the wireless communication apparatus, a level measurement section measures an RSSI level of a call signal each time the base unit receives a call signal from each microphone handset; and a transmission power control section controls an amplification section so that a transmission power value is determined at a predetermined timing using a minimum value of the RSSI levels of the respective microphone handsets, and that a control signal is transmitted to the microphone handsets with the determined transmission power value.
On screen display detection
An on-screen display (OSD) processing system can include video data fetch modules to receive video data from a video source, edge detection modules to detect an edge of a region within a scene represented by the video data, edge processing modules to process results from the edge detection modules, and an OSD confidence level adjustment module to adjust an OSD confidence level corresponding to the region within the scene.
Systems, methods, and user interfaces for facilitating user access to media content
An exemplary method includes a media program guide user interface system 1) displaying a forward-looking view of a media program guide, the forward-looking view including a matrix grid of cells arranged relative to a channel axis and a forward-looking time axis, the cells representing media programs scheduled for transmission on channels arranged along the channel axis and at times arranged along the forward-looking time axis in accordance with a media transmission schedule, 2) detecting an association between content of the forward-looking view and a recorded media program available to a media content access system, and 3) presenting, together with the forward-looking view in response to the detecting, a selectable option configured to be selected by a user to trigger a display of a backward-looking view of the media program guide. Corresponding methods and systems are also disclosed.
System and methods for modifying improperly formatted metadata
Systems and methods are provided for modifying metadata associated with content that is improperly formatted. In one configuration a metadata pre-processor receives metadata from a remote source, determines whether the received metadata is properly formatted, and, if it is not, modifies the metadata based on information received from a second remote source. In one configuration the modified metadata is then used to identify information associated with the content.
Media device power management techniques
Techniques and architecture are disclosed for managing power use during operation of an electronic device capable of processing and/or playback of audio and/or video (AV) content. In some instances, the disclosed techniques/architecture can be used, for example: (1) to stop decoding and/or rendering of AV content upon detecting that a user wishes to stop or is otherwise unable to consume (e.g., hear/listen to or otherwise utilize) such AV content; and/or (2) to continue/re-enable decoding and/or rendering of AV content upon detecting that a user wishes or is otherwise able to continue/resume consumption thereof. In some cases, use of the disclosed techniques/architecture may reduce central processing unit (CPU) cycles, audio digital signal processing (DSP), rendering hardware usage, etc., and/or otherwise make more efficient use of battery charge, and thus may realize an improvement in battery life, for example, for a mobile/battery-operated device capable of AV processing and/or playback.
Buffer management in video codecs
In one example, a video decoder is configured to determine, from data associated with an open decoding refresh (ODR) picture of video data, an identifier for a previous picture of the video data, determine whether the previous picture is currently stored in a reference picture memory, and decode only data for pictures of the video data having display order values that are greater than a display order value of the ODR picture, when the previous picture is not stored in the reference picture memory. In another example, a video encoder is configured to encode an open decoding refresh (ODR) picture, determine a previously coded picture having a display order value less than a display order value of the ODR picture and having a temporal identifier value equal to zero, and signal syntax data for the ODR picture representative of an identifier of the determined previously coded picture.
Detecting channel change in automatic content recognition fingerprint matching
The disclosed system and method receives, from a media device, a query fingerprint that includes an ordered sequence of frames of content being consumed, and matches the query fingerprint with frame fingerprints by determining a distance between respective frame fingerprints and corresponding ones of the ordered sequence of frames. The matching may be performed by populating a binary tree structure with respective distances, chronologically across leaf nodes of the binary tree structure, and then noting a value of the root node. If below a maximum threshold, then there is a match. The system and method may detect a channel change at the media device by traversing a right or a left sub-tree of the binary tree structure, and locating a low value (or a zero) at the first or second nodes of the sub-tree. This channel change may be useful in targeting media to content being streamed to the media device.
Closed captioning management system
Media content typically includes closed captioning information such as subtitles in domestic and foreign languages. Techniques and mechanisms provide that closed captioning information may be toggled on/off using menu options and preferences as well as automatically managed by intelligently monitoring the environment surrounding a device. Device sensors such as microphones and vibration monitors determine the noise level of an environment as well as the spectral characteristics of the noise to determine whether the noise profile would interfere with the video playback experience. A particular environmental noise profile could automatically trigger the display of closed captioning information or present an easy access, otherwise unavailable toggle to display closed captioning information associated with a video stream.
Method, device, and system for directing a wireless speaker from a mobile phone to receive and render a playlist from a content server on the internet
Methods, systems, and devices are presented for facilitating a presentation of media, including displaying, on a touchscreen of a mobile phone, a plurality of device identifiers; receiving input identifying one of the plurality of device identifiers that identifies a rendering device; providing information identifying a user of the mobile phone; receiving a message based on the information identifying the user of the mobile phone, the message comprising information identifying a playlist comprising a plurality of media item identifiers corresponding to media items ordered to be played in an arranged sequence; receiving, at the mobile phone, input identifying at least one media item identifier from the playlist; and directing, from the mobile phone, the rendering device to obtain a media item identified by the at least one media item identifier from a content server and to play the media item, the media item obtained without user input at the rendering device.
Video display apparatus and operating method thereof
Provided are a video display device and a method of operating the same. The video display device request content recognition configuration information to a third party server that is not dependent on any single channel, and receives the content recognition configuration information from the third party server. The video display device extracts a plurality of content recognition configuration information items from the content recognition configuration information and configures the plurality of content recognition configuration information item in the video display device. The video display device obtains contents information of uncompressed content on the basis of the plurality of content recognition configuration information item, obtains an application on the basis of the content information, and executes the application.
Secure transcoding of content
A source device determines content rights for encrypted content in the first encoding standard using a first rights data file. The source device creates a second rights data file for transcoded content in the second encoding standard. The source device performs a key management operation including communicating a decryption key for the encrypted content in the first encoding standard to a transcoder. The source device transfers the encrypted content in the first encoding standard to the transcoder. The transcoder decrypts the encrypted content, transcodes the content from the first encoding standard to the content in the second encoding standard, and re-encrypts the content in the second encoding standard using a second encryption key. The transcoder then transfers the encrypted content in the second encoding standard to an indicated device.
System, video display apparatus, content server, and information terminal device
A content server includes a stored search keyword information receiver for receiving stored search keyword information transmitted from a video display apparatus or a information terminal device, a content extractor for extracting a content to be recommended, from a content group stored in the content server on the basis of the received stored search keyword information, and a recommended content information transmitter for transmitting information on the extracted content to be recommended to the video display apparatus. The video display apparatus includes a recommended content information receiver for receiving the information on the content to be recommended, and a display unit capable of displaying the information on the content to be recommended. The information terminal device includes a keyword information storage unit capable of storing the stored search keyword information required to extract the content to be recommended.
Devices, systems and methods for reducing switching time in a video distribution network
When switching sources, resolutions or refresh rates in a video distribution network, switching times are reduced by maintaining video lock and security authentication between a video switcher and a video sink. The scaler maintains video lock and security authentication by continuing to generate video timing data during switching events. The scaler also facilitates an aesthetically pleasing transition by generating image content data prior to and after the switching event.
Encoding apparatus and the method
An encoding apparatus adds delay time information DTI indicating initial delay time i_d and delay time d of each group data to a position to be read prior to frame data by a decoding apparatus in the group data of encoding stream data DBI and transmits the same to the decoding apparatus 3. Namely, the encoding apparatus does not transmit initial offset delay time i_of to the decoding apparatus 3. The encoding apparatus starts to read and transmit the encoding stream data DBI from a transmission buffer at a predetermined bit rate R at timing designated by the initial offset delay time i_of.
Recording variable-quality content stream
A device may include a network interface and a processor. The network interface may receive data over a network and send data over the network. The processor may receive, from a remote device, a first portion of content at a first quality via the network interface. In addition, the processor may record the first portion of the content at the first quality, obtain bandwidth information, send the bandwidth information to a remote device via the network interface, and receive, from the remote device via the network interface, a second portion of the content at a second quality. Furthermore, the processor may record the second portion of the content at the second quality and schedule a download of the content at a fixed quality from a remote system.
Discovering and controlling multiple media rendering devices utilizing different networking protocols
A virtual media rendering device acts as a proxy for physical media rendering devices that lack support for a designated common protocol such as UPnP/DLNA. The virtual device conforms to a designated common media rendering control protocol so that media rendering devices on the network that do not support the common protocol may be accessible via the common media rendering protocol through the virtual media rendering device. Requests received by the virtual media rendering device using the common protocol are converted to the media rendering control protocol used by the proxied physical media rendering device. The virtual media rendering device appears to other devices on the network as if it were a physical device.
Registration of a personal electronic device (PED) with an aircraft IFE system using a PED generated registration identifier and associated methods
An aircraft communications system includes at least one personal electronic device (PED) carried by an aircraft passenger, and an aircraft in-flight entertainment (IFE) system. The PED includes a PED near-field communications (NFC) device, a PED wireless transceiver, and a PED controller for transmitting a registration identifier (ID), and communicating via the PED wireless transceiver. The aircraft IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE NFC device associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, and communicating with the PED wireless transceiver via the IFE wireless transceiver based upon one of the respective IFE NFC devices receiving the registration ID from the PED NFC device when in proximity thereto.
HDR image encoding and decoding methods and devices
To have a very efficient and in some embodiments also backwards compatible with legacy LDR display systems, apparatuses and methods relating to decoding an image encoding (LDR_CONT) corresponding to a first luminance dynamic range (R_oLDR) into a second luminance dynamic range (R_oHDR) output image (HDR_FIN), in which image encoding (LDR_CONT) are encoded pixels of an original image (HDR_ORIG) of a high dynamic range scene, the method comprising: tone mapping with a predetermined tone mapping strategy (FL2H) at least the lumas of pixels in the image encoding (LDR_CONT) onto lumas of pixels in an intermediate image (HDR_PRED) corresponding to the second luminance dynamic range (R_oHDR); and modifying the lumas of at least some of the pixels of the intermediate image (HDR_PRED) by multiplying them with predetermined multiplication factors, resulting in the output image (HDR_FIN) are taught.
Method and apparatus for entropy coding video and method and apparatus for entropy decoding video
Provided are entropy decoding and encoding methods of a video. The entropy decoding method includes obtaining a transformation unit significant coefficient flag indicating whether a non-zero transformation coefficient exists in the transformation unit, from a bitstream, determining a context model for arithmetically decoding the transformation unit significant coefficient flag, based on the transformation depth of the transformation unit and arithmetically decoding the transformation unit significant coefficient flag based on the determined context model.
Pixel-based intra prediction for coding in HEVC
An apparatus comprising a processor configured to receive a video frame comprising a current block, wherein the current block comprises a plurality of original pixels, compute a plurality of reconstructed pixels based on the original pixels, and use an intra prediction mode to generate a set of prediction pixels based on a set of reconstructed pixels in the plurality of reconstructed pixels.
Method of applying edge offset
An apparatus of post-processing a reconstructed image is discussed. The apparatus according to an embodiment includes a deblocking filter for determining a boundary strength for each 4-sample edge which is a prediction edge or a transform edge and lies on 8×8 sample grid, determining whether deblocking filtering is applied on the 4-sample edge or not using the boundary strength and a boundary quantization parameter, and filtering the 4-sample edge if the deblocking filtering is applied on the 4-sample edge; and a sample adaptive offset adder for, if a sample adaptive offset type indicates an edge offset, generating an edge index of a current sample, generating an edge offset corresponding to the edge index to the current sample, and adding the edge offset to the current sample.
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.
Arithmetic decoding device
A coefficient presence/absence flag decoding unit, included in a quantized residual information decoding unit which reduces a processing amount related to coding and decoding of a transform coefficient, splits a target frequency domain or a target pixel domain into sub-blocks, and derives different context indexes with respect to each transform coefficient in a pixel domain, obtained through a transform skip or a transform/quantization bypass, and each transform coefficient which is obtained for each frequency component through frequency transform.
Method and apparatus for rate control accuracy in video encoding
A method and apparatus are provided for rate control accuracy in video encoding. The apparatus includes a video encoder for encoding image data in a single encoding pass using rate control. The rate control involves defining a quantization step size value and a rounding offset value and refining at least the rounding offset value. The image data is encoded responsive to the quantization step size value and the refined rounding offset value.
Image capturing apparatus and method for controlling the same
An image capturing apparatus comprises: an image-capturing unit acquiring RAW image data indicating a pre-development image from an image signal; recording unit encoding the RAW image data by a predetermined encoding method and recording the encoded RAW image data in a medium; a developing unit reading out the encoded RAW image data and developing the read encoded RAW image data; and a control unit comparing an amount of the encoded RAW image data that was recorded in a shooting time period with an amount of the encoded RAW image data that was read out from the medium so as to be used in development, and controlling an encoding method by which the RAW image data is encoded according to a comparison result.
Method of generating image data
Search is performed on Intra 16 to obtain a prediction mode leading to a minimum cost, and the minimum cost in Intra 16 and a corresponding prediction mode are stored. Search is performed on Intra 8 to obtain a prediction mode leading to a minimum cost, and then a relationship of magnitude between the stored minimum cost in Intra 16 and the minimum cost in Intra 8 is judged. After that, the minimum cost in Intra 8 and a corresponding prediction mode are stored, and search is performed on Intra 4 to obtain a prediction mode leading to a minimum cost. A relationship of magnitude between cost_intra and the minimum cost in Intra 4 is judged, and Intra 4 is determined as an optimum prediction mode in a case where Intra 4 is smaller.
Method of deriving motion information
A method is provided for decoding video data in a merge mode. A quantized block is generated by inverse-scanning quantized coefficient components. A transformed block is generated by inverse-quantizing the quantized block using a quantization parameter. A residual block is generated by inverse-transforming the transformed block. A merge list is constructed using available spatial and temporal merge candidates. A merge candidate is set on the merge list specified by a merge index as motion information of a current prediction unit. A prediction block of the current prediction unit is generated using the motion information. A reconstructed block is generated using the prediction block and the residual block.
Moving picture encoding device, moving picture encoding method and moving picture encoding program as well as moving picture decoding device, moving picture decoding method and moving picture decoding program
A first vector predictor candidate list generating unit generates a first motion vector predictor candidate list from motion vectors of encoded neighboring blocks to blocks to be encoded. A second vector predictor candidate list generating unit generates a second motion vector predictor candidate list from motion vectors of blocks at the same positions as the blocks to be encoded in an encoded image and neighboring blocks to the blocks at the same positions. A combination determining unit determines whether to generate a third vector predictor candidate list combining the first and second vector predictor candidate lists by comparison of a block size of the blocks to be encoded and a threshold size. A vector predictor candidate list deciding unit generates the third vector predictor candidate list from the first vector predictor candidate list.
Apparatus and method for coding and decoding image
A video encoding apparatus includes: a parameter calculator to calculate a brightness compensation parameter based on one or more first pixels adjacent to a current block and one or more second pixels adjacent to a motion prediction block obtained by using a prediction motion vector, the one or more second pixels being located in locations corresponding to the one or more first pixels; a target pixel selector to select one or more target pixels for a brightness compensation from pixels in a prediction block determined by a motion vector of the current block, by using pixels adjacent to the motion prediction block; and a predictive encoder to generate a compensated prediction block of the prediction block by applying the brightness compensation parameter to the selected one or more target pixels and to perform a predictive encoding on the generated compensated prediction block.
Adaptive difference domain spatial and temporal reference reconstruction and smoothing
An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines an enhancement layer weight and a base layer weight, and determines a value of a current video unit based on the difference video layer, a value of a video unit in the enhancement layer weighted by the enhancement layer weight, and a value of a video unit in the base layer weighted by the base layer weight.
Picture coding method and picture decoding method
In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of the same time in the coded signals. More specifically, the case where picture numbers of an adjacent picture of an S picture and the S picture are not continuous is not considered as an error.
Depth coding modes signaling of depth data for 3D-HEVC
Techniques are described for encoding and decoding depth data for three-dimensional (3D) video data represented in a multiview plus depth format using depth coding modes that are different than high-efficiency video coding (HEVC) coding modes. Examples of additional depth intra coding modes available in a 3D-HEVC process include at least two of a Depth Modeling Mode (DMM), a Simplified Depth Coding (SDC) mode, and a Chain Coding Mode (CCM). In addition, an example of an additional depth inter coding mode includes an Inter SDC mode. In one example, the techniques include signaling depth intra coding modes used to code depth data for 3D video data in a depth modeling table that is separate from the HEVC syntax. In another example, the techniques of this disclosure include unifying signaling of residual information of depth data for 3D video data across two or more of the depth coding modes.
Automated focusing of a camera module in production
Embodiments of the disclosure permit automated focusing of a camera module during assembly. The camera module can include an imaging device and a lens assembly that is movably mounted to a housing of the camera module. In certain embodiments, the automated focusing can include iteratively imaging a fixed set of reference markings, and successively quantifying the focusing quality of the camera module based at least on a defocus metric defined as a difference between a current spacing and a calibrated spacing among two of the imaged reference markings. The magnitude and sign of the defocus metric can guide, respectively, a magnitude and direction of the movement of the lens assembly relative to the imaging device. After successive adjustments yield a desired focusing quality of the camera module, the lens assembly can be locked in position and can be further processed according to a suitable camera module integration flow.
Three-dimensional image projector, three-dimensional image projection method, and three-dimensional image projection system
A three-dimensional image projector includes: a conversion optical system including a plate-shaped first optical member that has an incidence surface is incident, and an emission surface and that converts a traveling direction of the image light so as to form a predetermined angle between the emission surface and an emission direction of the image light on the emission surface; a rotary driving unit that drives the conversion optical system so as to rotate along the emission surface with a predetermined point on the emission surface as the center of rotation; and an image projection unit that is erected along a rotation axis, converts the traveling direction of the image light emitted from the conversion optical system into a first direction along a surface crossing the rotation axis, and diffuses the image light emitted from the conversion optical system in a second direction along the rotation axis.
Three-dimensional image display device, portable terminal device, display panel and fly eye lens
In a three-dimensional image display device for displaying color three-dimensional images, a fly eye lens, a display panel, and a light source are provided in this order from the observer side. A display panel has four pixels arrayed in a (2×2) matrix correlated with one lens element of the fly eye lens. In the event that j is a natural number, a pixel magnifying projection width e in a second direction is set in a range of the following expression according to mean interpupillary distance Y of the observers. e 3 ≠ Y 2 × j
System and method for extracting a 3D shape of a hot metal surface
A system for extracting a 3D shape of a hot metal surface, includes: a light source unit emitting four types of light, i.e. two types of light each having different wave bandwidths that are different from a wave bandwidth emitted by a hot target object, and two other types of light having the same wave bandwidths as the above-described two types of light, respectively, so that the types of light having the same bandwidths are polarized in different directions so as not to interfere with one another; an image acquisition unit simultaneously emitting the four types of light, polarized from the light source, onto the target object so as to acquire 2D images of the target object; and an image processing unit using a photometric stereo technique so as to combine the 2D images acquired by the image acquisition unit and extract a 3D shape of the surface of the target object.
Television systems incorporating separate A/V processing systems and television displays
Television systems are disclosed that incorporate separate A/V processing systems and television displays. The television displays can receive video driving signals wirelessly from the A/V processing system that can be used to directly drive the display driver of the television display. By separating the electronics used to receive various input sources of audio and video (A/V) content from the television display, the television display can be designed to consume less power, can be manufactured to be significantly lighter and can be installed with fewer cables. Indeed, cables can be eliminated entirely, where the A/V processing system communicates wirelessly with the television display and the television display obtains power wirelessly from a wireless power supply.
Color correction devices and methods
A color correction device for an image sensor is provided. The image sensor is divided into regions. The color correction device includes a quantum efficiency (QE) measurement circuit, an addressing circuit, and a correction circuit. The QE measurement circuit generates a color signal according to a sensing signal from each pixel of the image sensor. The addressing circuit receives the color signal corresponding to each pixel, obtains a location of each pixel on the image sensor, and averages all of the color signals corresponding to the pixels whose locations are disposed in one of the regions to obtain an average color signal. The correction circuit receives the average color signal to obtain a color correction matrix of the one of the regions and corrects the color signals of the pixels whose locations are in the one of the regions by the color correction matrix.
Image processing device, electronic apparatus, endoscope system, information storage device, and method of controlling image processing device
The image processing device includes: a first image acquisition section that acquires a first image, the first image being an image that includes an object image including information within a wavelength band of white light; a second image acquisition section that acquires a second image, the second image being an image that includes an object image including information within a specific wavelength band; a candidate attention area detection section that detects a candidate attention area based on a feature quantity of each pixel within the second image; a reliability calculation section that calculates reliability that indicates a likelihood that the candidate attention area is the attention area; and a display mode setting section that performs a display mode setting process that sets a display mode of an output image corresponding to the reliability calculated by the reliability calculation section.
Systems and methods for automated cloud-based analytics and 3-dimensional (3D) display for surveillance systems in retail stores
Systems and methods for cloud-based surveillance in a retail store is disclosed. At least two input capture devices and at least one user device are communicatively connected to a cloud-based analytics platform. The cloud-based analytics platform generates 3-Dimensional (3D) visual representation based on received 2-Dimensional (2D) video and/or image inputs, perform advanced analytics based on input data and generated 3D visual representation, and generates a graphical representation based on analytics data from advanced analytics. In one embodiment, the graphical representation is a heat map, which is an overlay of the 3D visual representation of the entire retail store.
Driving assistance device and towing vehicle
A driving support device outputs, to a display means (103), a superimposed image in which a pair of left and right planar predicted trajectory guide marks (405), (406) corresponding to steering of the vehicle are superimposed onto a captured vehicle-rearview image including the tow vehicle connector (402) and the towed-vehicle connector (404). An image superimposing unit (112) superimposes sides (405a), (406a) of the predicted trajectory guide marks (405), (406) that are on the vehicle-width-center side further towards the outer edge relative to the tow vehicle connector (402), and superimposes sides (405b), (406b) of the predicted trajectory guide marks (405), (406) that are on the outer-edge side in the vehicle-width direction as predicted trajectories of the side edges of the vehicle.
Auto-adjusting content size rendered on a display
Various technologies described herein pertain to managing visual content rendering on a display. Audience presence and position information, which specifies respective distances from the display of a set of audience members detected within proximity of the display, can be obtained. Further, a threshold distance from the display can be determined as a function of the respective distances from the display of the set of audience members detected within proximity of the display. Moreover, responsive to the threshold distance from the display, a size of the visual content rendered on the display can be controlled.
Maintaining audio video conference continuity
A computing device receives session description protocol (SDP) information including network parameters, from a plurality of client devices participating in an audio-video conference hosted by a primary conference host. The computing device selects a secondary conference host from the plurality of client devices. In response to receiving the SDP information from the plurality of client devices, the computing device sends a reply, including network parameter information identifying the secondary conference host, to the plurality of client devices of the audio-video conference. The computing device determines a failure of the primary conference host, wherein the failure is based, at least in part, on a violation of a threshold limit of a transmission rate of the primary conference host, and in response to determining the failure, the computing device sends information to activate the secondary conference host as the audio-video conference host, to the plurality of client devices.
Methods, devices, and systems for controlling audio and video transmission channel
Methods and systems for controlling an audio and video transmission channel for use in a server is provided. The method includes obtaining an audio and video transmission connection request, and obtaining transmission channel information reported from respective terminals to establish an audio and video transmission connection; determining a transmission channel type of the audio and video transmission connection, according to the reported transmission channel information; and issuing to the terminals the determined transmission channel type of the audio and video transmission connection.
Video processing method and apparatus
A video processing method and apparatus, which relate to the field of multimedia, and the method includes acquiring, by an video processing apparatus, two field images of an interlaced frame image in an interlaced video; performing temporal deinterlacing on either field image in the two field images to obtain a temporal virtual field image, and performing spatial deinterlacing on the either field image to obtain a spatial virtual field image; performing directional combing detection on the temporal virtual field image along a preset candidate combing detection direction with reference to the other field image in the interlaced frame image, to determine whether combing exists in the temporal virtual field image; and according to this, selecting the temporal virtual field image or the spatial virtual field image to be fused with the other field image to generate a new image.
Laser driving circuit, laser driving method, and device using laser light
A laser driving circuit, a laser driving method, and a device using laser light that can reduce speckle noise caused by laser light as coherent light are provided. In the laser driving circuit that generates laser driving current for driving a plurality of laser light sources emitting laser light of different wavelengths on the basis of an input video signal, a high-frequency signal of a frequency exceeding the band of the video signal is superimposed on the laser driving current generated on the basis of the input video signal, whereby speckle noise caused by the laser light as coherent light is reduced.
Display device housing and display device
A display device housing includes a body, the body is provided with a tuning cavity, the tuning cavity is configured for accommodating a loudspeaker of a display device, the tuning cavity is provided with an inverter tube therein, an opening of the inverter tube corresponds to a space at a rear side of the loudspeaker, and another opening of the inverter tube is provided toward a sound-emitting area of an outer wall of the body and communicates with outside of the housing. This display device housing resolves the problems that a display product is easily subjected to bloop, the sound being not loud enough and poor sound effect. Also a display device is provided.
Method and apparatus for displaying and enabling the purchase of products during video playback
A method for obtaining product information and purchasing a product. While viewing images on a video display device, an input device is used to initiate display of a video frame. A product of interest which appears is selected to obtain a display of product information. A portion of the display of product information is selected to initiate a purchase of the product. Also provided is method for identifying a product which appears in a video stream for which product information and possible purchase is desired. A video pixel cluster is selected within a video frame corresponding to the product. The selected pixel cluster is stored in an area definition database. A product identifier is associated with the stored pixel cluster. An interactive video is delivered which includes video frames with product identifiers and corresponding area identifiers. The video stream is transmitted using an internet connection or a smart cable connection.
Pixel control signal driver
A pixel control circuit includes a first supply rail coupled to provide a first supply voltage. A second supply rail is coupled to provide a second supply voltage. A variable resistance circuit is coupled to the second power supply rail. A plurality of driver circuits is coupled between the first supply rail and the variable resistance circuit. Each one of the plurality of driver circuits is coupled to provide a control signal coupled to control a pixel circuit. The variable resistance circuit is coupled to provide a first resistance between the plurality of driver circuits and the second supply rail during a sampling operation of the pixel circuit. The variable resistance circuit is coupled to provide a second resistance between the plurality of driver circuits and the second supply rail during a non-sampling operation of the pixel circuit.
Method and apparatus for image reconstruction
An apparatus for image reconstruction comprises an optical system and a control means for controlling the optical system, which control means is configured to control the optical system, for the capture of a plurality of single images, in such a manner that at least one parameter of the optical system is different upon capture of at least two single images. The apparatus comprises a processing device for digitally reconstructing an image in dependence on the plurality of single images and in dependence on information about optical transfer functions of the optical system upon capture of the plurality of single images.
YCBCR pulsed illumination scheme in a light deficient environment
The disclosure extends to methods, systems, and computer program products for digital imaging in an ambient light deficient environment. The disclosure includes an imaging sensor that comprises an array of pixels for sensing electromagnetic radiation. The disclosure includes an emitter that is configured to emit a pulse of electromagnetic radiation and a control unit that comprises a processor. The control unit is in electrical communication with the imaging sensor and the emitter. The control unit is configured to synchronize the emitter and the imaging sensor so as to produce a plurality of image reference frames. The plurality of image reference frames comprise a luminance frame comprising luminance image data and a chrominance frame comprising chrominance data, wherein the plurality of image reference frames are combined to form a color image.
Blur metrics may be calculated for each of the image pixels of a digital image of a scene captured using an imaging device. The blur metrics may be indicative of the level of blur expressed in the digital image, and a blur image representative of the blur metrics may be generated. Subsequently, when another digital image is to be captured using the imaging device, pixel sensors corresponding to high blur metrics may be digitized at a high level of priority, or at a high rate, compared to pixel sensors corresponding to low blur metrics, which may be digitized at a low level of priority, or at a low rate. The blur images may be updated based on changes in blur observed in subsequent images, and different pixel sensors may be digitized at higher or lower levels of priority, or at higher or lower rates, based on the changes in blur.
The present invention relates to a camera module, the camera module including a camera body including a handshake correction unit configured to correct an image shake caused by handshake, and an FPCB (Flexible Printed Circuit Board) including a first connection unit connected to the camera body, a second connection unit connected to the first connection unit by being folded, and a third connection unit connected to the second connection unit by being folded.
System and method for adjusting orientation of captured video
Described herein is a system and method for adjusting the orientation of captured video utilizing the data received from a built-in inertial measurement unit such as an accelerometer. During video capture, the device may be held in a position that is not fully vertical or horizontal, and thus not match the true orientation of a scene. This can cause the captured video to appear rotated during playback at the same angle of rotation as the video capture device. The described system can adjust the playback orientation of the rotated video by utilizing sensor data captured during the same time as the video was captured.
Camera non-touch switch
Various embodiments provide a camera that includes a non-touch switch that can be utilized to access and activate various camera functionality.
Eyecup switched optical device
An optical device is disclosed. The optical device may generate light for projection into a user's eye. The optical device may have a switch connected to an eyecup. When the eyecup is pressed against the user's face, the switch may be actuated, signaling the optical device to generate light for projection into a user's eye. When the eyecup is not pressed against the user's face, the switch may be unactuated, signaling the optical device to cease to generate light for projection into a user's eye. Various electronics of the optical device may remain active, for example, a controller may continue to generate an image for representation by the generated light, but the optical device may refrain from generating the light, such as by a display. In this manner, inadvertent light leakage may be ameliorated, and power consumption by the optical device lessened when the eyecup is not depressed.
Display processing apparatus and method
A display processing apparatus for displaying, on a display unit, an image captured by an image capture apparatus capable of changing an image capture direction performs first display processing in which an image captured by the image capture apparatus is displayed in a first region of the display unit while the image capture direction is changed, and performs second display processing in which, in a second region indicating a range in which the image capture apparatus can perform image capture by changing the image capture direction, display according to the image capture direction in which the received image was captured is performed.
Information processing device and information processing method
There is provided an information processing device including a detection unit configured to detect a motion of the information processing device, a setting unit configured to set a location or orientation of a virtual light source for an image having depth information based on a result of the detection performed by the detection unit, and a display control unit configured to apply an illumination effect to the image based on the location or orientation of the virtual light source set by the setting unit and the depth information.
Photographing apparatus and method of photographing image thereof
A photographing apparatus and a method thereof includes acquiring a depth map of an image currently captured by the photographing apparatus, if auto focusing (AF) of the photographing apparatus is performed, calculating depth information of an area in which the AF has been performed, and outputting a guide audio having a volume adjusted according to the calculated depth information to inform a user of a state of auto focusing with respect to a desired area without checking a viewfinder.
Electronic device and information processing method
The present disclosure provides an electronic device. The electronic device comprises: a main body comprising a first surface having a first display unit arranged thereon; and a movable portion comprising a second surface and movable from a first position to a second position with respect to the main body. The first surface and the second surface are both in a first plane when the movable portion is at the first position with respect to the main body. A first portion of the main body and the movable portion support the electronic device when the movable portion is at the second position with respect to the main body. The movable portion has an Input/Output (I/O) unit arranged thereon. Also provided is an information processing method applied in an electronic device.
Device and method for gaze attraction toward camera
A device for holding a gaze-attracting object in a position adjacent to an electronic photographic device such as a digital camera or smart phone is provided. The device includes a body having one or a plurality first projecting members extending across a gap from a secondary projecting member. The device is positionable to an as-used position with a digital camera or smartphone engaged within the gap. Holding members projecting from the body opposite the gap, maintain an object therebetween and adjacent to the lens of the camera or smartphone or other digital photo device.
Imaging control apparatus, imaging control method, and program
An imaging control apparatus for an imaging apparatus or an imaging system, which includes an imaging unit imaging a subject and a variable mechanism varying an imaging visual field of the imaging unit, includes an automatic imaging mode control unit changing control setting between when automatic still image capturing is performed and when automatic panorama image capturing is performed.
Integrated extended depth of field (EDOF) and light field photography
A method for light field acquisition, comprising: acquiring an image by an optical arrangement with chromatic aberrations; separating the image to a plurality of monochromatic images, each having a different color and a different point of focus according to the acquiring; transporting sharpness from each of the plurality of monochromatic images to others of the plurality of monochromatic images to construct a plurality of color images, each color image of the plurality of color images having a different point of focus; and reconstructing a light field by combining the plurality of color images.
Image forming method for increasing resolution in reverse mode
An image forming apparatus comprising: a resolution conversion unit configured to convert the resolution of a pixel provided by input image data; a gradation conversion unit configured to perform matrix conversion onto the pixel; and a writing unit configured to perform a write operation, wherein, in the normal mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the normal mode, and the writing unit performs the write operation of the pixel in a normal order that is the order image data being input into the image forming apparatus, and in the reverse mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the reverse mode, and the writing unit performs the write operation of the pixel in a reverse order opposite to the normal order.
Image processing apparatus, control method thereof, and storage medium
An image processing apparatus capable of communicating with an external apparatus via a network registers a transfer setting containing an ID for identifying destination information stored in the external apparatus to transfer received image data, acquires the destination information corresponding to the ID contained in the registered transfer setting from the external apparatus, and transfers the received image data using the acquired destination information. When the destination information cannot be acquired, a cause why the destination information cannot be acquired is determined, and if the cause why the destination information cannot be acquired is due to a communication error with the external apparatus, the registered transfer setting is not invalidated and when the cause why the destination information cannot be acquired is that no destination information corresponding to the ID is stored by the external apparatus, the registered transfer setting is invalidated.
Image recording apparatus, dynamic image processing apparatus, dynamic image reproduction apparatus, dynamic image recording apparatus, information recording/reproduction apparatus and methods employed therein, recording medium with computer program stored therein
The image recording apparatus according to the present invention is provided with a conversion device that converts an optical image of a subject to an electrical signal, a recording circuit that records the electrical signal achieved through the conversion device in a storage device as image data and a display control circuit that detects an available capacity at the storage device and the length of time that power supply by a source is possible and displays them on a display as available capacity information and remaining power supply time information. The available capacity information indicates the length of available recording time remaining at the available capacity that has been detected.
Image reading apparatus
An image reading apparatus includes a main unit having a document support surface configured to support a document on the document support surface, a reading unit accommodated in the main unit and configured to read an image of the document supported on the document support surface, and an openable unit coupled to the main unit and configured to pivot about a pivot axis between a closed position where the document support surface of the main unit is covered and a released position where the document support surface of the main unit is exposed. The pivot axis of the openable unit is located, in the main unit, below the document support surface and at a rear of the document support surface.
Image reading device and image forming apparatus
In an image reading device, an image reading portion is fixed at a predetermined position on a route on which a document sheet is conveyed by a document sheet conveying portion, and can read an image from the document sheet. A color reference plate is disposed opposingly to the image reading portion, and is a member having a predetermined reference color at a part thereof opposing the image reading portion. An oscillation portion can oscillate the color reference plate in one of or both a primary scanning direction and a secondary scanning direction. A color reference data setting portion sets, based on image data read from the color reference plate by the image reading portion when the color reference plate is being oscillated by the oscillation portion, color reference data to be used for shading correction executed on image data read from the document sheet by the image reading portion.
Providing toll-free data based on a device location
A device may receive registration information that identifies a target location associated with a toll-free data campaign. The device may receive location information that identifies device locations corresponding to mobile devices. The device may receive a resource identifier that identifies a resource requested by a mobile device. The device may determine, based on the location information, a device location associated with the mobile device. The device may determine, based on the resource identifier, the device location, and the target location, whether to provide toll-free access to the resource for the mobile device. The device may selectively provide toll-free access to the resource for the mobile device based on determining whether to provide toll-free access to the resource for the mobile device.
Personal desktop router
A client-server telephone call router system as part of a customer premises system has a client-server router adapted to execute on a telephony switch, such as a public branch exchange (PBX) or other telephony switch, or on a processor connected by CTI link to a telephony switch. The telephony switch or processor executing the router is connected to a local area network (LAN) that also interconnects computer workstations proximate to telephones connected to the telephony switch. Client user interface applications run on the computer workstations, allowing clients to edit routing rules for the router, which has a list of routing rules keyed to users and workstations of the customer premises system. The editing rules are kept by the router in portions dedicated to individual users. With this system a user can edit at a workstation on the LAN his\her own routing rules, and transmit the edits to the client-server router where the rules will be followed to route calls for that user and protocol.
Media channel management apparatus for network communications sessions
A system includes: a computerized appliance having a processor; and software executing on the computerized appliance from a non-transitory physical medium, the software providing: establishment of a communication session over a network between two or more end communications appliances; detection and recording of at least media channel capabilities on individual end communications appliances connected in the session; service of media channel toggle options to end communications appliances; detection of media channel toggle option selections made by users operating the end communications appliances; and implementation of the media channel toggle option or options selected for individual communications sessions.
IVR engagements and upfront background noise
Embodiments of the present invention pertain to reducing or eliminating speech recognition error when background noise is detected at a caller's location. For example, when background noise is detected at the caller's location, the caller may be prompted to use dual-tone multi-frequency (DTMF).
System and method for on-demand presence
Methods and systems for determining availability of a user based on mobile device status are provided herein. In some embodiments, a method for determining availability of a user based on mobile device status may include receiving, at a first device, an instruction to check a status of a second device; transmitting a status request from the first device to the second device; and receiving, responsive to the status request, a message from the second device indicating a telephony status of the second device.
System and method of double talk detection with acoustic echo and noise control
System of improving sound quality includes loudspeaker, microphone, accelerometer, acoustic-echo-cancellers (AEC), and double-talk detector (DTD). Loudspeaker outputs loudspeaker signal including downlink audio signal from far-end speaker. Microphone generates microphone uplink signal and receives at least one of: near-end speaker, ambient noise, and loudspeaker signals. Accelerometer generates accelerometer-uplink signal and receives at least one of: near-end speaker, ambient noise, and loudspeaker signals. First AEC receives downlink audio, microphone-uplink and double talk control signals, and generates AEC-microphone linear echo estimate and corrected AEC-microphone uplink signal. Second AEC receives downlink audio, accelerometer uplink and double talk control signals, and generates AEC-accelerometer linear echo estimate and corrected AEC-accelerometer uplink signal. DTD receives downlink audio signal, uplink signals, corrected uplink signals, linear echo estimates, and generates double-talk control signal. Uplink audio signal including at least one of corrected microphone-uplink signal and corrected accelerometer-uplink signal is generated. Other embodiments are described.
Mobile terminal and controlling method thereof
A mobile terminal and controlling method thereof are disclosed, by which user's accessibility to a specific application or function is facilitated. The present invention includes receiving a call signal, displaying a screen corresponding to the received call signal, the screen including at least one graphic image for control a specific function of an external device, detecting an input for selecting the graphic image, and transmitting a signal including a code corresponding to the specific function related to the selected graphic image to the external device, wherein the specific function corresponding to the graphic image is preset.
Reflowable opto-electronic module
An optical proximity sensor module includes a substrate, a light emitter mounted on a first surface of the substrate, the light emitter being operable to emit light at a first wavelength, and a light detector mounted on the first surface of the substrate, the light detector being operable to detect light at the first wavelength. The module includes an optics member disposed substantially parallel to the substrate, and a separation member, wherein the separation member is disposed between the substrate and the optics member. Multiple modules can be fabricated in a wafer-level process and can be composed of reflowable materials so that the modules can be incorporated more easily into devices whose manufacture occurs, at least in part, at elevated temperatures when the module is integrated into the device or during subsequent manufacturing processes.
Multi-layer transparent structures for electronic device housings
Transparent structures for portions of electronic device housings are disclosed. The transparent structures are formed from multiple layers of transparent (optically clear) materials. The multiple layers can include at least an outer glass layer and one or more other transparent layers that can be either glass or polymer layers. The multiple layers can be bonded together with one or more lamination layers. Accordingly, multi-layer transparent structures that are formed from multiple layers bonded together are able to be not only thin but also sufficiently strong and resistant to damage. The multi-layer transparent structures are well suited for use in consumer products, such as consumer electronic devices (e.g., portable electronic devices).
Computer-readable recording medium, information management method and information management device
An information management device includes: a receiving unit that receives a request of information from an information process unit having a CGI; an information collection unit that collects the information corresponding to the request; and a process unit that requests the information collection unit to collect the information corresponding to the request in response to the request of information, and during a time period shorter than a timeout period of the CGI, generates progress information indicating progress of collection of the information and corrected information, and causes a display unit to display the progress information.
Single pass/single copy network abstraction layer unit parser
Technologies for a single-pass/single copy network abstraction layer unit (“NALU”) parser. Such a NALU parser typically reuses source and/or destination buffers, optionally changes endianess of NALU data, optionally processes emulation prevention codes, and optionally processes parameters in slice NALUs, all as part of a single pass/single copy process. The disclosed NALU parser technologies are further suitable for hardware implementation, software implementation, or any combination of the two.
Customer-specific request-response processing in a content delivery network
A computer-implemented method in a content delivery network (CDN) includes, at a mechanism in said CDN: responsive to a request, determining a particular sequencer to handle the request, the particular sequencer comprising a sequence of one or more handlers, wherein the request is associated with a particular customer of said CDN and wherein a first at least some of the one or more handlers in the particular sequence are determined based on the particular customer; and processing the request in accordance with the particular sequencer by invoking the one or more handlers.
Apparatus and method of storing user information in home network
Apparatus and method of storing user information in a home network. Mapping information is generated by mapping at least one terminal connected to the home network onto a pre-stored house schematic. Based on the mapping information, information associated with at least one adjacent terminal to a particular terminal is generated, where the adjacent terminal is capable of recognizing a user of the particular terminal. User information is generated based on the user-related information transmitted from the adjacent terminal to recognize the user of the particular terminal when a certain function is executed in the particular terminal. The user information is stored in association with usage history information for the certain function.
Media playback profile mapping
A network device stores a mapping configuration to associate client type profiles with particular delivery profiles for media content and receives, from a client device, a request for a link to a content selection. The request includes a content identifier and parameters for the client device. The network device constructs, based on the parameters for the client device, a particular client type profile and maps the particular client type profile to one of the particular delivery profiles in the mapping configuration. The network device constructs a uniform resource locator (URL), based on the one of the particular delivery profiles and the content identifier, that provides the link to the content selection with formatting that is suitable for the particular client type profile and sends the URL to the client device.
Generic remote connection to a command line interface application
A method to establish a generic remote connection to a command line interface (CLI) application is provided. A server is implemented. The server is configured with a data input channel, a data output channel, and an error output channel, each connected to the CLI application. A first socket is configured for routing data streams through the data input channel and data output channel of the server. At least one client is implemented. The at least one client is configured with the data input channel, data output channel, and the error output channel.
Intelligent alarm manipulator and resource tracker
Systems and methods for tracking resources used by triggers such as alarms and timers that are used by mobile applications to schedule tasks and intelligently manipulating the timing of the triggers to optimize usage of resources such as, but not limited to: network, battery, CPU and/or memory are disclosed. In one embodiment, an intelligent alarm manipulator and resource tracker tracks triggers from multiple applications on a mobile device and corresponding use of resources resulting from the triggers on a mobile device. The intelligent alarm manipulator and resource tracker further determines correlations between the triggers and the corresponding use of the resources on the mobile device and manipulates, based on the correlations, timing or frequency of some or all of the triggers to optimize the use of the resources on the mobile device.
Scalable segment identifier allocation in segment routing
Exemplary methods for allocating multiple local sub-blocks (LsBs) of segment identifiers (IDs) include allocating a first set of LsBs, each LsB associated with a start index and a range, wherein the start index indicates a starting SID of a corresponding LsB and the range indicates a total number of SIDs included in the corresponding LsB, each LsB identified by a sub-block number. In one embodiment, the methods include mapping a plurality of segment routing global block (SRGB) indexes to a plurality of corresponding SIDs of the first set of LsBs, the mapping performed based on the SRGB indexes, start indexes of each LsB, and ranges of SIDs of each LsB. In one embodiment, the methods include advertising the first set of LsBs by transmitting a first advertisement message that includes the start indexes, ranges of SIDs, and sub-block numbers of all LsBs of the first set of LsBs.
Dynamic shifting of service bus components
Systems and methods are disclosed for processing messages using a dynamic messaging bus. An example system includes a plurality of services residing in a dynamic messaging bus including a plurality of sub-buses. Each service is assigned to a sub-bus of the plurality of sub-buses. The example system also includes a performance monitoring module that monitors a performance of one or more services executing on a sub-bus to which the respective one or more services is assigned. A first service is assigned to a first sub-bus and a second service is assigned to a second sub-bus. The example system further includes a swapping module that determines, based on the monitored performances of the first and second services, whether to swap the assignments of the first and second services such that the first service is assigned to the second sub-bus and the second service is assigned to the first sub-bus.
Managing notification service connections
A method and apparatus to manage notification service connections. In one embodiment of the invention, a mobile device schedules a notification service connection message transmission interval for each of a plurality of notification service connections. The mobile device also associates a notification service connection message transmission window with each notification service connection message transmission interval. The mobile device synchronizes transmission of notification service connection messages based on overlapping notification service connection message transmission windows.
Data packet transmission method and related device and system
Embodiments of the present disclosure relate to the field of computer networks, and disclose a data packet transmission method and a related device and system. In the method, a traditional communication protocol (such as TCP) handshake process is optimized, so that data packet transmission may be implemented in the handshake process. The data packet transmission does not depend on completion of the handshake, thereby effectively reducing a data packet transmission delay caused by an RTT delay existing in the handshake process.
System and method for collecting feedback in a multi-tenant communication platform
Systems and methods for updating a communication routing engine of a multi-tenant communication platform system. Responsive to a feedback message provided by an external system associated with a first account of the communication platform system, a communication routing engine of the communication platform system is updated based on the received feedback message. The feedback message relates to a first communication initiated on behalf of the first account of the communication platform system, and the first communication is initiated with a first communication route. The updated communication routing engine routes communications of a plurality of accounts of the communication platform system.
Method and system for executing third-party agent code in a data processing system
In one embodiment, agent routines are executed in a first thread, each agent routine being invoked by one of coroutines. A agent processor executes in a second thread the agents associated with the one or more agent routines, including receiving a first yield signal from a first of the coroutines indicating that a first of the agent routines yields to perform a first action that requires an action simulation, in response to the first yield signal, suspending the first coroutine, selecting a second of the coroutines from a head of a first agent queue maintained by the agent processor, and executing the second coroutine by assigning the execution lock to the second coroutine. In a third thread, a simulator simulates the first action on behalf of the first coroutine and signals the agent processor to resume the first coroutine after completing the simulation of the first action.
Controlling access to digital items based on weather conditions
This disclosure describes an account management service that allows a primary account user to establish weather constraints that will result in access to digital items to be restricted when current weather conditions correspond with the established weather constraints. For example, a primary account user may specify that, when the weather is sunny and between sixty-five degrees Fahrenheit and eighty degrees Fahrenheit, access to digital items by a secondary account user is to be restricted.
System for generating a response to a client request
Embodiments of the invention are directed to a system, method, and computer program product for generating a response to a client request. The system typically including a memory, a processor and a module configured to receive a request associated with a service from a client; initiate the presentation of a first user interface, wherein the first user interface enables a user selection of one or more template types; initiate the presentation of a second user interface based on at least a user selection of one or more template types, wherein the second user interface enables a user selection of one or more templates associated with the selected template type; receive a client progress from the user based on at least the selection of the one or more templates to generate a response, wherein the response reflects the status of the request; and transmit the response to the client.
Location aware service instance discovery
Network elements provide associated client devices querying for network services with one or more lists of services in accordance with a physical location of the associated client devices relative to the network elements irrespective of membership of the client devices in any one or more VLANs of the network. Network service instances on a first VLAN are reported to the querying client device on a second VLAN in accordance with a physical location of the client device relative to the network elements. The one or more lists of services provided to the querying client device include intuitive location tag information for identifying the services and the locations of the services. The location and service data of the location tag may be presented in a concatenated format.
System and method for transmitting data to a device based on an entry of a rundown for a news program
Disclosed is a system and method for transmitting data to a device based on an entry of a rundown for a news program. An example method involves: (i) a first device recording data transmitted from a second device to a third device; (ii) assigning an identifier to the recorded data; (iii) selecting an entry from a rundown including entries indicative of a sequence of events related to a news program; (iv) making a determination that the selected entry is associated with the assigned identifier; and (v) responsive to making the determination, causing the recorded data to be transmitted to the third device.
Data sharing methods and portable terminals
A data sharing method and a portable terminal are provided. The portable terminal is a first terminal having a first system and a second system which have a capability of operating a shared storage area. The method comprises: starting transmitting a file in the shared storage area to a second terminal by the first system; acquiring upload information of the file by the second system, when detecting that the first system fulfills a predetermined condition, during the transmission of the file in the shared storage area to the second terminal by the first system; and continuing the transmission of the file to the second terminal by the second system in accordance with the upload information. In the transmission of shared data according to the embodiments of the present disclosure, due to the two-system hybrid architecture of the terminal, one of the two systems may continue the transmission of the shared data if the transmission is interrupted by shut down or fault of the other one of the two systems, thereby the user experience in transmitting the shared data may be improved.
Precompiling locally-stored instructions for a web application
Systems and methods for accessing locally-stored content for a web application are disclosed. In some aspects, a user input for requesting a web application is received at a client computing device. A network request for the web application is provided via a network. That software code for the web application is stored in local storage of the client computing device is determined. The stored software code for the web application is placed into a random access memory (RAM) of the client computing device. At least a portion of the stored software code is precompiled prior to receiving a response to the network request.
Identifying and processing a number of features identified in a document to determine a type of the document
A system and method for document classification are presented. An input document is received (e.g., by at least one server communicatively coupled to a network). A plurality of features are identified in the input document. The plurality of features include sequences of text extracted from the input document. A feature vector of the input document is generated based upon the sequences of text, and the feature vector of the input document is compared to each of a plurality of signature vectors to determine a primary type of the input document. The primary type of the input document is stored into a storage system in communication with the at least one server.
Systems and methods to consistently generate web content
Methods and systems to consistently generate web content are described. The system receives a request, at a server machine, for an interface, from a client machine and generates the interface. The interface includes a plurality of view components that includes a first view component. The system generates the first view component by utilizing a data binding engine that executes on the server machine to apply at least one interface element to a first position on the interface based on a presentation template and first view component information. The first view component is updated on the client machine utilizing a data binding engine that executes on the client machine to apply the at least one interface element to the first position on the interface based on the presentation template and the first view component information. The interface element is visibly displayed at the client machine.
Transmitting device, receiving device, and transceiving method thereof
A transmitting device which transmits a plurality of streams is provided. The transmitting device comprises: a first multimedia data consisting of multimedia contents; a first synchronization information for synchronization of a second multimedia data consisting of multimedia contents; a first transmitting data including a first signaling data for the first multimedia data and a second signaling data for the second multimedia data, a data generating unit generating a second transmitting data including a second synchronization information for synchronization of the second multimedia data and the first multimedia data, a first transmitting unit transmitting the first transmitting data supplied from the data generating unit to a receiving device through a broadcasting network, and a second transmitting unit transmitting the second transmitting data supplied from the data generating unit to the receiving device through an IP network.
System and method for pre-provisioning adaptive bitrate (ABR) assets in a content delivery network
A system and method for pre-provisioning ABR assets in a content delivery network (CDN). In an example, historical delivery patterns of one or more ABR assets downloaded at respective content delivery nodes of the CDN are monitored. For each content delivery node, one or more delivery rules may be determined based on statistical distributions of the ABR assets delivered over a period of time. When a particular content is determined to become popular at a specific content delivery node, a pre-provisioning policy may be modulated such that only certain representations or adaptation sets of the particular content's assets that pass the delivery rules are pre-provisioned for the specific content delivery node.
System and method for providing intelligent chunk duration
A method is provided in one example embodiment and includes receiving analytics information for a video file at a transcoder, the analytics information includes a plurality of points of interest. The method also includes determining a plurality of durations associated with a plurality of chunks of video data associated with the video file, the determining includes identifying a minimal distance between certain times associated with the plurality of points of interest and keyframe times. The method also includes transcoding the video file using the plurality of durations. The video file can be received from an analytics extractor that is to generate the plurality of points of interest.
Remote subscription management method and system
A method for enabling a consumer to remotely manage a media content subscription is described. The method includes transmitting, over a network from a computing device associated with a consumer, a request to set up an account. The request is received at a local point of presence having an address within the local media market in which a local media content provider is providing the media content subscription. The local point of present includes a storage device and a plurality of servers located within the local media market, with the plurality of servers being configured to execute computer programmed instructions to receive the request to set up the account and, in response, create a user profile and an account associated with the consumer. The method further includes transmitting, over the network from the computing device associated with the consumer, at least one of user profile information, account information, and subscription information, which is stored on the storage device of the local point of presence.
System, method and computer program product for asset sharing among hierarchically interconnected objects
In some embodiments, a parent object may share its assets with its descendent(s) in a hierarchical asset sharing model. The hierarchical asset sharing model may specify a plurality of asset sharing modes. In a first mode, an asset of the parent is imposed on a child. The child is able to utilize the asset, but unable to modify or delete the asset. In a second mode, the child is able to utilize the asset and a copy of the asset is generated when the child attempts to modify the asset. The child can modify the copy of the asset, which is stored as an asset only of the child. The original asset is no longer shared becomes an asset only of the parent. In a third mode, both the parent and the child can utilize and modify the asset.
Video conferencing system and associated interaction display method
A video conferencing system is provided. The video conferencing system includes a first video conferencing apparatus and a second video conferencing apparatus. A video/audio connection of a video conference between the first and second video conferencing apparatuses is established via an SIP channel. When the video/audio connection of the video conference has been established, a transparent layer is activated on the first and second conferencing apparatuses. When the first and second video conferencing apparatuses are switched to an external output projection mode, first and second touch events are input on the first and second video conferencing apparatus, and the first and second touch events are respectively transmitted to the second and first video conferencing apparatuses via the SIP channel. The first and second video conferencing apparatuses draw the second and first touch events on a first user interface and a second user interface.
Packet headers as a trigger for automatic activation of special-purpose softphone applications
Methods, devices, and systems for automatically controlling the activation and/or deactivation of communication applications are provided. More specifically, methods, devices, and systems are provided such that the inspection of communication packet headers can be leveraged as a trigger for automatically activating and/or deactivating communication applications and the population of a corresponding user-interface to the application.
Method and systems for an outgoing unidirectional outage bypass for a voice over internet protocol private branch exchange system
A system and method is disclosed herein for providing a unidirectional outage bypass for outgoing communications from a session initiation protocol (SIP) device in a hosted Voice-over Internet Protocol (VoIP) private branch exchange (PBX) system. An outage monitoring system is in communication with both a bypass configuration system and one or more bypass enablers that act at the direction of the bypass configuration system. The outage monitoring system detects outages and overloads, as well as, network failures between network components, the VoIP PBX, Client Devices and the public switched telephone network (PSTN). The bypass configuration system, in response to a detection of an outage, determines error-handling procedures for the unidirectional outage bypass system based on bypass configuration data. The bypass enablers forward outgoing communications between a client device and the PSTN, in accordance the error-handling procedures, by bypassing components that are currently experiencing failures or overloads.
Method and system for dynamic and comprehensive vulnerability management
One or more relevant scanners used to identify asset vulnerabilities are identified, obtained, and logically arranged for deployment on an asset in accordance with a vulnerability management policy and a scanner deployment policy such that the relevant scanners are deployed at, or before, a determined ideal time to minimize the resources necessary to correct the vulnerabilities, if found. The relevant scanners are then automatically deployed in accordance with the scanner deployment policy and, if a vulnerability is identified, one or more associated remedies or remedy procedures are applied to the asset. At least one of the one or more relevant scanners are then re-deployed on the asset to determine if the identified vulnerability has been corrected and, if the vulnerability is not corrected at, or before, a defined time, protective measures are automatically taken.
Smart virtual private network
In one implementation, a policy server establishes a smart virtual private network between two client devices. The smart virtual private network includes a secure communication session using a security level or security algorithm that is variable and defined as a function of the two client devices. A first client device may generate a registration request including a first security configuration including the security level. Based on the registration request, the policy server generates a routing message that defines routing for communication from the first client device to a second client device. The routing message may update a routing table to associate the policy server with the second client device.
Malware analysis methods and systems
Methods of analyzing malware and other suspicious files are presented, where some embodiments include analyzing the behavior of a first malware sample on both a virtual machine and a physical computing device, the physical device having been booted from a secondary boot source, and determining whether the behavior of the malware sample was different on the virtual machine and the physical computing device. In certain embodiments, a notification indicating that the behavior was different may be generated. In other embodiments, a malware analysis computing device that is configured to receive a base hard drive image may be network booted, and the behavior of the malware sample on the malware analysis computing device may be analyzed. In certain embodiments, a malware-infected hard drive image may then be copied off the malware analysis computing device.
Detecting a malware process
Detecting a malware process is disclosed, including: monitoring a launch of a process; in response to a completion of the launch of the process, determining a base address associated with the process; determining a permission of a memory block associated with the base address; and determining whether the process is potentially associated with a malware process based at least in part on the determined permission.
Automatic malware signature extraction from runtime information
A computer system receives a file and instruments an original code of the file in memory. The resulting instrumented code allows for collection of runtime information of the original code. An unpacking routine that includes one or more instructions that execute several times, modify memory locations, and execute instructions in the modified memory locations is identified. The unpacking routine is deemed a malware signature and incorporated into a malware pattern. An unpacking behavior diagram can also be generated from the runtime information.
Network security threat detection by user/user-entity behavioral analysis
A security platform employs a variety techniques and mechanisms to detect security related anomalies and threats in a computer network environment. The security platform is “big data” driven and employs machine learning to perform security analytics. The security platform performs user/entity behavioral analytics (UEBA) to detect the security related anomalies and threats, regardless of whether such anomalies/threats were previously known. The security platform can include both real-time and batch paths/modes for detecting anomalies and threats. By visually presenting analytical results scored with risk ratings and supporting evidence, the security platform enables network security administrators to respond to a detected anomaly or threat, and to take action promptly.
Timeline displays of network security investigation events
Techniques and mechanisms are disclosed that enable network security analysts and other users to efficiently conduct network security investigations and to produce useful representations of investigation results. As used herein, a network security investigation generally refers to an analysis by an analyst (or team of analysts) of one or more detected network events that may pose internal and/or external threats to a computer network under management. A network security application provides various interfaces that enable users to create investigation timelines, where the investigation timelines display a collection of events related to a particular network security investigation. A network security application further provides functionality to monitor and log user interactions with the network security application, where particular logged user interactions may also be added to one or more investigation timelines.
Monitoring propagation in a network
A non-transitory computer-readable recording medium stores therein a program for causing a computer to execute a process. The process includes obtaining, for each predetermined time period, from packets transmitted in a system, a packet set with a combination of a transmission source and a transmission destination different from a predetermined combination of a transmission source and a transmission destination; extracting, for the each predetermined time period, from the packets transmitted in the system, a related packet related to the obtained packet; generating, based on the extracted related packet, information indicating a degree of propagation; and outputting the generated information.
Contagion isolation and inoculation via quarantine
In some embodiments, techniques for protecting a network may include detecting an insecure condition on a first host that has connected or is attempting to connect to a protected network, including contacting a trusted computing base and determining whether a response includes a valid digitally signed attestation of cleanliness (an attestation that the first host is not infested and/or that the presence of a patch or patch level of a software component on the first host); if not, quarantining the first host, including by re-routing a service request sent by the first host by responding with a redirect that causes a browser on the first host to be directed to a quarantine server configured to serve a quarantine notification page that provides remediation information; and permitting the first host to communicate with a remediation host configured to provide data usable to remedy the insecure condition.
An auditing system and method for analyzing email, including capturing email transferred over a network and transferring the email to a data analyzer. The email can be encrypted for safe transfer to the analysis location. Once the email is delivered to the analysis location, it is decrypted and the analysis process begins. The analysis of the email includes scanning the email for specific search terms found in a lexicon and then identifying trends based on scanning results.
Cyber security analytics architecture
Systems and methods are disclosed for responding to security events in real time. The disclosed systems and methods utilize the vast amount of risk and asset knowledge collected in a security data warehouse and aggregated in a security information manager, without the expense and latency associated with performing such calculations in real time. The disclosed systems and methods, thereby, significantly extend the time intervals feasible for temporal analysis.
Behavioral detection of suspicious host activities in an enterprise
Methods, apparatus and articles of manufacture for behavioral detection of suspicious host activities in an enterprise are provided herein. A method includes processing log data derived from one or more data sources associated with an enterprise network over a given period of time, wherein the enterprise network comprises multiple host devices; extracting one or more features from said log data on a per host device basis, wherein said extracting comprises: determining a pattern of behavior associated with the multiple host devices based on said processing; and identifying said features representative of host device behavior based on the determined pattern of behavior; clustering the multiple host devices into one or more groups based on said one or more features; and identifying a behavioral anomaly associated with one of the multiple host devices by comparing said host device to the one or more groups across the multiple host devices.
Identification of unauthorized disclosure
Systems, methods, computer-readable media, and apparatuses for identifying a source of an unauthorized disclosure of information are provided. For instance, a document may be generated and transmitted to a plurality of users. The document transmitted may be the same document (e.g., no additional documents are created for different users). Upon accessing the document, users in different groups of users may view different data items in a data item field in the document. If a disclosure is made, the data item disclosed may aid in identifying the group of users who viewed that data item and may be the source of the disclosure. That identified group may then be further sorted or divided into two or more subgroups and another document may be transmitted to the plurality of users. The process may continue in this manner until a source of the disclosure is identified.
Methods and systems for content availability based on location
Access to protected content is based on a client device being within a region. The region may be a mobile or movable region, and/or a region that is in motion. In some embodiments, the region may be determined based on a distance from a position within the region, or based on a boundary about the position that need not be symmetrical. In some embodiments, the region is a three dimensional region. In some embodiments, being within the region is further based on the region being above a defined altitude. In further embodiments, a determination for access is based on whether the client device is detected to be in motion relative to the region.
Methods and systems for using derived user accounts
Methods, systems and articles of manufacture consistent with features of the present invention allow the generation and use of derived user accounts, or DUA, in a computer system comprising user accounts. In particular, derivation rules define how a DUA is linked to or created based on an existing original user account, or OUA. Derivation transformations may also update the state of a DUA based on its corresponding OUA or give feedback from the state of a DUA to the state of its corresponding OUA.
Searching indexed data based on user roles
Embodiments are directed towards a system and method for a cloud-based front end that may abstract and enable access to the underlying cloud-hosted elements and objects that may be part of a multi-tenant application, such as a search application. Search objects may be employed to access indexed objects. An amount of indexed data accessible to a user may be based on an index storage limit selected by the user, such that data that exceeds the index storage limit may continue to be indexed. Also, one or more projects can be elastically scaled for a user to provide resources that may meet the specific needs of each project.
Accessing virtual desktops via image scanning
Image scanning and encoding technologies can be utilized to authenticate devices to virtual desktops and to transfer virtual desktop sessions between devices. One device (e.g., PC or laptop) may encode certain information into an image that is displayed on a display screen, while another mobile device equipped with a digital camera (e.g., mobile phone or tablet) can be used to scan the image on the display screen. Once the image is scanned, it can be decoded by the mobile device to get the information encoded in the image (e.g., device ID, session ID, etc.). The information obtained from the image can be used to authenticate a device or to transfer a virtual desktop session between the devices.
Method, system and terminal for encrypting/decrypting application program on communication terminal
A method, system and terminal for encrypting and decrypting an application program on a communication terminal are disclosed, including the communication terminal using an identification number of a subscriber identification card as an encryption key, performing encryption processing on an application program to be protected, and obtaining an encrypted application program. The method, system and terminal also include, when a user accesses the encrypted application program, the communication terminal performing matching processing on an identification number of a subscriber identification card inserted currently and the encryption key, and if a processing result is that the identification number of the subscriber identification card inserted currently is matched with the encryption key, performing decryption processing on the encrypted application program for the user to use.
In one implementation, a server system receives, from a device of a user, a request to validate a credential of a second user. The server system identifies the credential of the second user to validate based on the request received from the device of the first user. The server system confirms that the credential of the second user corresponds to a credential issued to the second user by a credential issuing organization. The server system accesses the credential information for the credential of the second user and validates the credential of the second user to the first user.
Storage array password management
A system and method for generating passwords for secure login to a storage array. A randomly generated root secret is utilized along with a compartment ID to generate a root password for logging into a storage array with root privileges. The root secret is encrypted with the public key of a public-private key pair and stored on the storage array. The encrypted root secret is then stored in the storage array. When root access is needed, a private key stored externally to the storage array is utilized to decrypt the root secret. The decrypted root secret is then used along with the compartment ID to regenerate the root password.
Intelligent task assignment and authorization systems and methods
The present disclosure relates to computer-implemented methods and systems for intelligent task management. An example method may include identifying one or more authorized entities. The method may further include broadcasting at least one task associated with a user to one or more devices associated with the one or more authorized entities. The method may further include receiving from the one or more authorized entities, via the one or more devices, an indication of acceptance of the at least one task. The method may further include selecting at least one trusted entity among the one or more authorized entities. The method may further include issuing at least one digital certificate to the at least one trusted entity to perform the at least one task.
Communication apparatus, method of controlling the same and storage medium for transmitting image file to a network address
Disclosed are a communication apparatus and a method of controlling the same. The communication apparatus sets, if it is designated to perform encrypted transmission, whether to not perform transmission to an address with respect to which encrypted transmission is not possible or to perform plain text transmission to the address, and an address is selected in a state where this setting has been configured. The communication apparatus determines whether or not the selected address is an address with respect to which the encrypted transmission is possible, and, if the result of the determination shows that the selected address is not the address with respect to which the encrypted transmission is possible, controls whether to not perform transmission to the selected address or to perform plain text transmission to the selected address, in accordance with the setting.
MRCP resource access control mechanism for mobile devices
A system and method for Media Resource Control Protocol (MRCP) access control for a mobile device. An entity requesting to utilize MRCP resources establishes a relationship with a MRCP resource provider. The MRCP resource provider maintains account information for the entity, and the entity receives a unique account number for identification purposes. The entity requests from the MRCP resource provider generation of at least one MRCP access PIN associated with the account information, and provides a data string associated with the MRCP access PIN to the MRCP resource provider.
Authenticating a user while the user operates a client apparatus and possesses an electronic card
A technique perform authentication. The technique involves receiving an authentication request from a user operating a client apparatus (e.g., the user's smart phone). The technique further involves performing, in response to the authentication request, an analysis of a set of credentials obtained from the client apparatus. The set of credentials includes an authentication factor acquired by the client apparatus from an electronic card in possession of the user (e.g., an integrated circuit credit card). The electronic card is separate from the client apparatus. The technique further involves outputting, based on the analysis of the set of credentials, an authentication result indicating whether the processing circuitry deems the user operating the client apparatus to be authentic.
Re-programmable secure cryptographic device
A re-programmable wireless cryptographic device can store data securely and use near field communication (NFC) to exchange functionality data and/or program code from a central server system through a mobile device. A user requests a new cryptographic device or a new device function via an application on the mobile device. The central server system transmits program code and a public key used to identify the cryptographic device to the mobile device, which functions as a pass-through conduit for the information, storing it until the devices are synced. A NFC communication channel is created, and the mobile device authenticates the cryptographic device by cross-referencing the public key received from the central server system with the public key transmitted by the cryptographic device once the communication channel is established. Upon authentication, the cryptographic device is synced with the mobile device, and the mobile device passes the program code to the cryptographic device.
Methods and apparatus to identify media distributed via a network
Methods, apparatus, systems and articles of manufacture to monitor media presentations are disclosed. An example method includes extracting first network packet parameters from a first network packet received at a media device when retrieving a first encrypted web page, storing, at the media device, the first network packet parameters in association with a uniform resource locator for the first encrypted web page, the uniform resource locator received from an extension in a web browser at the media device, extracting second network packet parameters from a second network packet received at the media device from an unknown encrypted web page, when the extension is inoperative, comparing the second network packet parameters to the first network packet parameters, and identifying the unknown encrypted web page as the first encrypted web page when the comparison of the second network packet to the first network packet parameters has a similarity above a threshold.
Inline data encryption
Organizations maintain and generate large amount of sensitive information that needs to be saved electronically and there is a need to store that data remotely with a data storage service provider. To prevent unauthorized access to the information stored by organizations on storage provided by the service provider special cryptographic devices, such as an Inline Data Encryptor, can be used to ensure that the information remains secret. The Inline Data Encryptor uses a fill device with secret cryptographic information to encrypt data.
Method and apparatus for network address translation and firewall traversal
Various disclosed embodiments include methods and systems for network address translation traversal. The method comprises receiving, at a Voice over Internet Protocol (VoIP) server, a registration message from a first user equipment (UE). The registration message includes an Interactive Connectivity Establishment (ICE) capability of the first UE, and a request that the VoIP server generate ICE parameters for the first UE when the first UE makes a call to a second UE. The ICE parameters include a Traversal Using Relays around NAT (TURN) long-term credential. The method comprises sending, from the VoIP server, the TURN long-term credential to the first UE.
Network environment separation
The presently disclosed subject matter includes, inter alia, a separation module being operatively connectible to a network device operable to facilitate data communication in a communication network, the separation module being configured to control data communication in the communication network, the separation module being assigned with a network-id associating the separation module with a given network environment; the separation module being further configured to tag a data packet received by the network device from a first direction, in order to associate the data packet with a given network environment; and determine whether a tag, associated with a data packet received by the network device from a second direction, is compatible with the assigned network-id, and if it is, remove the tag from the data packet and allow transmission of the data packet.
Method, apparatus, and system for network address translation
A method, an apparatus, and a system for network address translation related to the field of communications technologies. A NAT control apparatus receives a network address migration message after a first data center migrates a NAT mapping entry corresponding to a migrated virtual machine VM to a second data center, verifies the network address migration message, and updates home information of the NAT mapping entry in a network address mapping table from the first data center to the second data center according to the network address migration message. In this way, NAT address resources in each data center can be properly planned, and a release attack problem caused by a fact that applying and using of a VM are not performed in a same data center can be solved.
Platform for private internet protocol (IP) cloud services
A device receives data from a user device, where the data is associated with a customer address, and the customer address is associated with the user device. The device verifies that the customer address is associated with a customer that subscribes to a private cloud service. The device translates, when the customer address is verified, the customer address to an address that is unique to a customer virtual route forwarding (VRF) function provide by the device. The device provides, based on translating the customer address, the data to the customer VRF function via the unique address. The device routes, based on providing the data to the customer VRF function, the data to the private cloud service via the customer VRF function and a secure connection.
Determining and utilizing one or more attributes of IP addresses
Methods related to determining and utilizing one or more attributes to associate with an IP addresses. Attributes are determined based on request data provided with requests from an IP address and one or more available secondary information sources. Attributes may include physical locations and/or category designations for the IP address. One or more attributes may be assigned a likelihood value indicative of likelihood that the attribute is associated with the IP address. Some implementations are directed to utilizing the attributes and likelihood values to identify likely fraudulent information provided with requests. Some implementations are directed to utilizing the attributes and likelihood values to provide advertisements in response to requests from IP addresses.
Method and apparatus for voice over LTE and data handling in a roaming environment
An approach for reducing online charging for voice over LTE users when accessing a roaming network. Users can receive and make voice over LTE calls without allowing background applications to use the resulting bearer for data traffic such as firmware updates, social network applications and other periodic and aperiodic data traffic. This approach has a beneficial impact on charging costs when accessing roaming networks.
Intelligent message routing and delivery in a telecommunications network
Messages directed to a mobile device are selectively routed to message servers based upon the capabilities of a network to which the mobile device is connected. According to an illustrative method disclosed herein, a network connectivity server receives a network identifier from the mobile device, the network connectivity server receives a request for routing instructions for the message, and the network connectivity server determines if the network identified by the network identifier is capable of delivering the message. The network connectivity server then instructs the message server to route the message according to a standard delivery method for a message type of the message or to a message conversion server computer based upon the determination. The message conversion server computer converts the message into a new message type that the network is capable of delivering to the mobile device.
Systems and methods for sharing data among multiple end user devices
This is directed to a method of sharing data among multiple devices, the multiple devices includes a server, a source terminal, and multiple receiving terminals. The method includes: receiving, on the server, account information associated with at least one of the multiple receiving terminals, receiving, on the server, data from the source terminal to be shared with at least one of the multiple receiving terminals, determining, based on the account information, at least one active receiving terminal, alerting the at least one active receiving terminal about the data shared by the source terminal, and receiving a response from the at least one active receiving terminal indicating an action with regard to the data.
Synchronizing out-of-sync elements in a distributed fibre channel forwarder
Techniques are provided for synchronizing, in a distributed Fiber Channel fabric or a distributed FCoE fabric in which FC frames are encapsulated in Ethernet frames, a controlling FCoE forwarder (cFCF) with the FCoE data-plane forwarder (FDF). The operation includes entering a recovery mode at the FDF. The FDF is modified based on a route distribution message provided by the cFCF which includes fabric-provided MAC addresses (FPMAs). The FDF notifies the cFCF of differences between the FPMAs supplied by the route distribution message with the FPMAs known by the FDF. The FDF leaves the recovery mode and sends an acknowledgement to the cFCF.
Credit flow control scheme in a router with flexible link widths utilizing minimal storage
A method includes receiving flits forwarded from an upstream router into a first input virtual channel (VC) associated with an input port. The flits are associated with packets originated from a first Intellectual Property (IP) core and forwarded to a second IP core. The flits are stored in a VC storage associated with the first input VC. The method further includes performing link width conversion based on a width of the flits being different from a width of an output port. Link width conversion includes accumulation of the flits when the width of the output port is wider and unpacking of the flits when the width of the output port is narrower. Credits are generated based on the flits being forwarded from the first input VC to the output port. The credits are sent to the upstream router to enable receiving more flits from the upstream router.
Server rating system for authorizing and entitling servers to transfer data
Management over data movement/transfer is accomplished by employing a data transmission rating system that assigns a data transmission rating to each server in the enterprise-wide communication network and subsequently makes determinations as to whether a data connection can be established between two or more servers based on the assigned data transmission rating. The enterprise-wide servers may be assigned a primary data transmission rating based on the type of data that the server is authorized to exchange and, optionally, the servers are assigned a secondary data transmission rating, (or a tertiary rating and so on) based on the geographic/physical location of the server. In this regard, in order for a data connection to be established between the two or more servers, the primary rating, and in those embodiments that implement a secondary rating, a tertiary rating and so on, must be determined to be authorized for establishing a data connection.
Multi-layer QoS management in a distributed computing environment
A technique for multi-layer quality of service (QoS) management in a distributed computing environment includes: receiving a workload to run in a distributed computing environment; identifying a workload quality of service (QoS) class for the workload; translating the workload QoS class to a storage level QoS class; scheduling the workload to run on a compute node of the environment; communicating the storage level QoS class to a workload execution manager of the compute node; communicating the storage level QoS class to one or more storage managers of the environment, the storage managers managing storage resources in the environment; and extending, by the storage managers, the storage level QoS class to the storage resources to support the workload QoS class.
Automated desktop placement
Systems and methods are presented for enabling a user to provide rules for the placement of computing resources at a data center for an entity that employs or is associated with the user. The data center can use the placement rules to select a data center computer system to host computing resources for a user. The rules can be used to establish diversity in computing resource placement at the data center thereby reducing the number of users who lose access to computing resources when a specific data center computer suffers a failure. Further, the placement rules can be used to facilitate configuration of the computer resources for the user based, for example, on the user's employment responsibilities.
Multi-tenancy support for enterprise social business computing
Mechanisms are provided for enabling collaboration across tenants in a multi-tenant environment using single sign-on (SSO) authentication/authorization. Various examples provide for creating a user account and provisioning a subscription to a user (e.g., to enable single sign-on authentication/authorization). The user is allowed to access services (e.g., collaborative services) in a multi-tenant environment by utilizing a subscription authorization of the user without prompting the user to authenticate by logging-in again (that is, without prompting the user to log-in again after the user has already logged-in and been authenticated for a given session). Other examples provide for mapping webspaces through URL hosts where each organization (that is, tenant) has its own set of namespace(s).
High-speed dequeuing of buffer IDS in frame storing system
Incoming frame data is stored in a plurality of dual linked lists of buffers in a pipelined memory. The dual linked lists of buffers are maintained by a link manager. The link manager maintains, for each dual linked list of buffers, a first head pointer, a second head pointer, a first tail pointer, a second tail pointer, a head pointer active bit, and a tail pointer active bit. The first head and tail pointers are used to maintain the first linked list of the dual linked list. The second head and tail pointers are used to maintain the second linked list of the dual linked list. Due to the pipelined nature of the memory, the dual linked list system can be popped to supply dequeued values at a sustained rate of more than one value per the read access latency time of the pipelined memory.
Method and system for access point congestion detection and reduction
A method and system for detecting and reducing data transfer congestion in a wireless access point includes determining a round-trip-time value for an internet control message protocol (ICMP) packet transmitted from a source computing device to a first computing device of a plurality of computing devices via the wireless access point. A data rate for data transmissions from the source computing device is increased to a value no greater than a peak data rate value if the round-trip-time is less than a first threshold value. The data rate is decreased if the round-trip-time value is greater than a second threshold value. Additionally, the peak data rate value may also be decreased if the round-trip-time value is greater than the second threshold value.
Dynamic determination of transmission parameters based on packet priority and network conditions
According to one embodiment, a non-transitory computer readable medium is described that comprises instructions which, when executed by one or more hardware processors, cause dynamic determination of one or more transmission parameters for transmitting a particular network packet of a plurality of network packets. The transmission parameters are determined based on (a) a classification associated with the particular network packet and (b) one or more current conditions. Subsequent to this determination, the particular network packet is transmitted using the one or more transmission parameters.
Apparatus and method for controlling a window size of packet transmission based on a free space of buffer
A communication device includes a buffer that stores transmission packets. The communication device monitors a free space of the layer 2 transmission buffer. The communication device changes a first window size that is notified from another communication device, to a second window size, based on the free space, and controls an inflow of the transmission packets to the layer 2 transmission buffer, in accordance with the second window size. By providing above-mentioned communication device and a packet control method, a reduction in a throughput caused by overflow in layer 2 transmission buffer is avoided.
Service policies for communication sessions
Techniques for service policies for communication sessions are described. According to various embodiments, a service policy specifies various rules and/or procedures for handling communication sessions. For instance, a service policy can specify service priority designations to be applied to communication sessions based on various attributes of the communication sessions. Techniques discussed herein provide for automated and dynamic management of service policies in a variety of communication scenarios, e.g., via per-session customization of service policies. In at least some embodiments, techniques may be employed to remedy problems that may occur during a communication session, such as via bandwidth reallocation, dynamic remapping of routing paths, and so forth.
Predictive VPN bandwidth balancing based on weather data and social media sentiment
The disclosure is directed to a method for balancing VPN network bandwidth. A method in accordance with an embodiment includes: obtaining weather data and social media sentiment for a plurality of geographical regions; analyzing the weather data and the social media sentiment for factors that may influence network bandwidth usage in each of the plurality of geographical regions; predicting network bandwidth requirements for each of the plurality of geographical regions based on the analysis of the weather data and the social media sentiment; and balancing the network bandwidth among the plurality of geographical regions based on the predicted network bandwidth requirements.
Determining a load distribution for data units at a packet inspection device
A load distribution for data units received by a particular packet inspection device that is part of a collection of packet inspection devices is determined, where the packet inspection devices in the collection are to examine content of corresponding received data units. For corresponding data units received by the particular packet inspection device, the determined load distribution favors keeping the corresponding data units at the particular packet inspection device. Based on metric information regarding utilization of at least the particular packet inspection device, the load distribution is dynamically modified.
Virtual network data control with network interface card
Embodiments relate to managing data flows through a virtual network. An aspect includes receiving, by a network interface card (NIC) connected to a hypervisor of a source computer, flows of data packets from one or more virtual machines managed by the hypervisor. The aspect includes running, by the NIC, an overlay network protocol to encapsulate the data packets, and to manage the flow of data through tunnels for the virtual network to a destination computer based on the overlay protocol, the tunnels transmitting the data packets through an underlying physical network underlying the virtual network.
Virtual network data control with network interface card
Embodiments relate to managing data flows through a virtual network. An aspect includes receiving, by a network interface card (NIC) connected to a hypervisor of a source computer, flows of data packets from one or more virtual machines managed by the hypervisor. The aspect includes running, by the NIC, an overlay network protocol to encapsulate the data packets, and to manage the flow of data through tunnels for the virtual network to a destination computer based on the overlay protocol, the tunnels transmitting the data packets through an underlying physical network underlying the virtual network.
Network transfer protocol
Systems, methods and computer program products facilitate communication on a network by transmitting a communication on the network from a first node to a second node, the communication including a first segment and a second segment. The first segment consists essentially of a destination port and a data length of the communication, and the second segment includes a payload and at least one of a connection ID, a sequence number, and an opcode. A responsive communication is then received from the second node, the responsive communication acknowledging receipt of the communication transmitted from the first node.
System and method for layer 3 proxy routing
A system and method for efficiently handling layer 3 proxy routing after mobile devices move between subnets includes a controller and one or more ports coupled to the controller. The controller is configured to receive a gateway address request on the one or more ports, determine whether the gateway address request is received on an inter-domain link from a second gateway, determine whether the gateway address request is originated from the second gateway when the gateway address request is received on the inter-domain link, determine a layer 2 address of the second gateway when the gateway address request is not originated from the second gateway, form a gateway address response including the layer 2 address of the second gateway, and transmit the gateway address response on one of the one or more ports.
Communication system, upper layer switch, control apparatus, switch control method, and program
A communication system includes: a core network including a lower layer switch that holds control information associating match condition(s) including lower layer header information, and processing content, and processes a received packet using control information having a match condition that matches the received packet; an upper layer switch, disposed at an edge of the core network, which rewrites a prescribed region of a header of a lower layer of a packet with content associated with communication content of an upper layer; and a control apparatus that instructs the upper layer switch to rewrite the header region of the lower layer, and also sets control information including, in a match condition, header information after the rewriting, in the lower layer switch.
Apparatus and methods for media access control header compression
Systems, methods, and devices for communicating packets having a plurality of types are described herein. In some aspects, the packets include a compressed MAC header. In some aspects the packets include an acknowledgment (ACK) frame. The fields included in a particular packet type may be based on the type of information to be communicated to the receiving device.
Label switched packet transfer device
A device for connecting base station(s) to a cellular label switched network in a cellular network. The cellular network includes: base station(s), the connecting device(s); cellular label switched network(s); and service area(s). The base station(s) communicates with mobile terminals using wireless technology. The wireless technology uses a protocol layer architecture that includes at least one of the following: a wireless physical layer; a wireless medium access control protocol layer; a radio link control layer; and a network layer. The connecting device(s) include: a first interface to connect to the base station(s); a second interface to connect to cellular label switched network(s); and a label forwarding layer that: forwards packets between base station(s) and cellular label switched network(s); attaches label(s) to packets and removes label(s) from packets. A service area divided into a multitude of cells through which mobile terminals can move through and communicate with base station(s).
Method providing adhoc network state to support distributed scheduling
A computer-based system to schedule network traffic in a communication network includes a processor coupled to a first node of a network, a memory module coupled to the processor. Logic instructions are stored on a tangible computer readable medium which, when executed by the processor, configure the processor to receive at the first node of the network, situational awareness information from at least a second network node which is directly accessible by the first node, identify, in the first node, situational awareness information commonly known by multiple nodes across the network, generate a network schedule based on the commonly known situational information, generate a shortest path routing table from the first node to all other network nodes based on the network schedule, and route network traffic at the first node using the network schedule.
System and method for determining and optimizing resources of data processing system utilized by a service request
A computer-implemented method for determining resources utilized by a service request in a data processing system. The method includes determining monitored relationship types from monitoring data, determining relationship domains, determining intra-domain relationships from relationships that are internal to the relationship domains and determining cross-domain relationships from the intra-domain relationships that are linked between pairs of the relationship domains, and determining resources utilized by the service request from the intra-domain and cross-domain relationships. The domains are derived from one of the relationship types that is monitored by a single monitoring application.
Management of multiple scale out workloads
A scale out workload management system executing on a computer system controls simultaneous execution of multiple workloads. The computer system includes multiple nodes, where each node defines computer resources consumable by a workload. The scale out workload management system includes an application manager coupled to the nodes. The application manager controls start up and shut down of the nodes based on demands placed on the workloads. The scale out workload management system further includes a workload manager coupled to the application manager. The workload manager includes a monitor module that collects performance information from nodes on which the workloads are executing, an aggregator module that collects the performance information and aggregates the performance information from all nodes supporting the workloads, and a comparator module that compares aggregated performance information for the workloads to a performance target and determines if an allocation of nodes to the workloads should be changed.
Datacenter border-issued analytics for monitoring federated services
Technologies are generally described for providing datacenter border-issued analytics for monitoring federated services. In some examples, a deployment manager, which manages placement of application deployment instances across a federation and thus already knows which datacenter each instance is in, may register a package trigger with a gateway at each datacenter when an application is placed in each datacenter. The datacenter gateway(s) may then search through data packets for registered package properties such as content of a packet header that indicates it is a monitoring packet, and inject additional data according to instructions from the deployment manager. For example, the deployment manager may instruct the gateway(s) to inject a datacenter identifier or a network location identifier to each monitoring data packet. The additional data may be customer-defined and the modified monitoring data including the additional data may be sent to a monitoring system to be analyzed.
Methods, systems, and computer readable media for providing diameter traffic estimator
The subject matter described herein includes methods, systems, and computer readable media for providing a Diameter traffic estimator. According to one exemplary system, a user interface is configured to receive user input regarding a number of subscribers and subscriber network activity types. A Diameter traffic estimator is configured to estimate an indication of Diameter traffic volume based on the number of subscribers and the subscriber network activity type.
System and method for evaluating coverage of services by components of an IT infrastructure
Embodiments of the invention provide a system and method of evaluating compliance by components of an IT computer infrastructure with a policy by comparing a recipient component of a service that is identified by a component providing such service, to an identity of a component providing such service that is identified by a component receiving of such service.
System and method for management of virtual sub-networks
A system and method for management of virtual sub-networks includes a network controller including a control unit and one or more ports coupled to the control unit. The network controller is configured to receive a first admit request from a network switching device on a first virtual sub-network, form a first admit response based on information associated with the first admit request, transmit the first admit response to the network switching device on the first virtual sub-network, form one or more first flow control messages including configuration information for coupling the network controller and the network switching device using a second virtual sub-network, transmit the one or more first flow control messages, transmit a first migrate message to the network switching device, and exchange management traffic with the network switching device using the second virtual sub-network.
Systems and methods for tunnel-free fast rerouting in internet protocol networks
An information handling system is provided. The information handling system includes a first, a second, a third, and a fourth network device. The first network device is coupled to the second network device and to the third network device, while the fourth network device is also coupled to the second and third network devices. At least the fourth network device has a plurality of interfaces and one or more processors in communication with the interfaces and a memory. At least one of the one or more processors is configured to disassociate a network address of the first network device from a first VRF instance and associate the network address of the first network device with a second VRF instance when a network failure associated with the first VRF instance is detected. Methods for rerouting traffic through the information handling system in response to a network event are also disclosed.
Method and apparatus for protection switching
An apparatus and method for protection switching are disclosed. The protection switching method in accordance with an example of the present disclosure is capable of smoothly processing a protection switching while preventing a data path mismatch occurring in the protection switching in a case in which a forced switching command (FS), which is a passive command, and a signal failure (SF) of a protection path occur at both end nodes, respectively, when a linear protection switching is performed by use of a protection state coordination message in a packet network or a packet transport network.
Peak suppression apparatus
A peak suppression apparatus includes an acquiring unit that acquires a first signal represented by an amplitude waveform of a multicarrier signal, a generator that generates a second signal represented by a waveform sequentially connecting a plurality of peak points adjacent to one another in the first signal as a peak detection signal for the multicarrier signal, a detector that detects a peak value and a peak timing of the multicarrier signal by using the peak detection signal, and a suppressing unit that suppresses a peak of the multicarrier signal based on the peak value and the peak timing.
Offset and decision feedback equalization calibration
A decision feedback equalizer is calibrated to compensate for estimated inter-symbol interference in a received signal and offsets of sampling devices. The decision feedback equalizer is configured so that an output signal of a sampling circuit represents a comparison between an input signal and a reference of the sampling circuit under calibration. An input signal is received over a communication channel that includes a predetermined pattern. The predetermined pattern is compared to the output signal to determine an adjusted reference for configuring the sampling circuit that accounts for both offset and inter-symbol interference effects.
System and method for AC coupling
An AC coupling circuit is provided that has a level shifter circuit having a p input voltage and an n input voltage and producing a p output voltage and a p output voltage. There is a common mode voltage adjustment feedback circuit configured to cause a common mode voltage output to tend towards a specified reference voltage, the common mode voltage output being an average of the p output and n output voltages of the level shifter circuit. In combination, the level shifter circuit and the feedback circuit allow the interconnection of a first circuit that operates at a first, unspecified, common mode voltage to be connected to a second circuit having a required common mode voltage. The level shifter may be formed of adjustable components such that the frequency response of the level shifter circuit can be adjusted to compensate for a frequency response of an interconnect between the first circuit and the second circuit.
Transmission device, transmission system, and transmission method
A transmission device that is coupled to a mesh network includes a memory, and a processor coupled to the memory, configured to detect an another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission device, and branch the first data signal to the transmission device from the detected another transmission device.
Systems and methods for adding media content to electronic messages
A method includes receiving an electronic message by a communication entity; determining if an indicator in the electronic message identifies the communication entity as an entity to retrieve a content referenced in the electronic message; and retrieving the content from a storage unit if the indicator identifies the communication entity as an entity to retrieve the content. An address of the content is identified in the electronic message.
Methods, systems and apparatus for the interconnection of fibre channel over Ethernet devices
Methods, apparatus and systems are provided for forwarding Fiber Channel Initialization Protocol (FIP) frames and Fiber Channel over Ethernet (FCoE) frames by a FCoE device interconnection apparatus (FIA) and with a Fiber Channel over Ethernet device interconnection apparatus controller (FIAC). An FCoE frame received by the FIA from the FCoE device includes at least destination and source Ethernet MAC address fields which are replaced, such as where the destination Ethernet MAC address is replaced by the MAC address assigned to a remote FCoE device, such as the desired end port. The frame is forwarded to the destination FCoE device. Preferably, first and second ports are coupled to the connectivity apparatus, which are then coupled to first and second FCoE devices.
Light fitting apparatus interfacing with a data communications network
An apparatus including a galvanic connector configured to interconnect with a corresponding galvanic connector in an empty light fitting; a network interface configured to operate as a node in a data communications network; and a communications interface for enabling communication between an environment adjacent to the light fitting and the data communications network.
Method and system for implementing mobile streaming media
A method and a system for implementing mobile streaming media is provided by: receiving, by a small-cell base station, a request message sent by a terminal, where the request message carries a stream identifier corresponding to a streaming media program, and forwarding the request message to a streaming media source; then establishing, by the small-cell base station, an air interface broadcast physical channel, and mapping the air interface broadcast physical channel to the stream identifier; receiving, by the small-cell base station, a streaming media data packet sent by the streaming media source, and converting the streaming media data packet into a multicast packet; and sending, by the small-cell base station, the multicast packet to the terminal on the air interface broadcast physical channel.
System and method for location assurance using passive computational tags
In implementations, a computer-implemented method for location assurance is disclosed. The method can include receiving, by an application executing on a mobile computing device, an electronic token from a server, wherein the electronic token comprises a timestamp signed using a cryptographic signing algorithm; providing, by the application, the electronic token to a passive computational tag, wherein the electronic token is countersigned by the passive computational tag; receiving, by the application, the electronic token that was countersigned by the passive computational tag; and providing, by the application, the electronic token that was countersigned to the server.
Stable probing-resilient physically unclonable function (PUF) circuit
Embodiments include apparatuses, methods, and systems for a physically unclonable function (PUF) circuit. The PUF circuit may include an array of PUF cells to generate respective PUF bits of an encryption code. Individual PUF cells may include first and second inverters cross-coupled between a bit node and a bit bar node. The individual PUF cells may further include a first pre-charge transistor coupled to the bit node and configured to receive a clock signal via a first clock path, and a second pre-charge transistor coupled to the bit bar node and configured to receive the clock signal via a second clock path. Features and techniques of the PUF cells are disclosed to improve the stability and/or bias strength of the PUF cells, to generate a dark bit mask for the array of PUF cells, and to improve resilience to probing attacks. Other embodiments may be described and claimed.
Key management device, communication device, communication system, and computer program product
According to an embodiment, a key management device includes a key exchange processing unit, a transmission unit, and an update unit. The key exchange processing unit is configured to perform a key exchange process for executing an exchange of a shared key together with authentication between the key management device and a communication device. The transmission unit is configured to transmit update information for updating a device key of the communication device authenticated to the communication device, when the communication device has not been authenticated before performing the key exchange process, and not to transmit the update information, otherwise. The update unit is configured to update the device key using the update information, when the communication device has not been authenticated before performing the key exchange process, and not to update the device key, otherwise.
Network topology aided by smart agent download
A system, method, and apparatus for a network topology aided by a smart agent download are disclosed. The method involves authenticating, with at least one authenticator device, at least one claimant. The method further involves transmitting, by at least one transmission source, the smart agent download to at least one receiving source associated with at least one claimant. In one or more embodiments, at least one transmission source is employed in a Lower Earth Orbiting (LEO) Iridium satellite. Also, the method involves receiving, by at least one receiving source, the smart agent download. In addition, the method involves executing, by at least one processor, the smart agent download. Further, the method involves monitoring, by the smart agent download, network behavior. The monitoring of network behavior includes monitoring the users on the network, monitoring data passing through the network, and monitoring the quantity of data passing through the network.
Provisioning devices for secure wireless local area networks
Before establishing a connection between a first and a second devices, the first device determines whether a third device is a trusted or untrusted device. If it is a trusted device, the first device receives from the third device a public key and information indicating the public key of the second device; and, uses the public key by combining its own private key and the public key of the second device to generate a shared secret, and using the shared secret to communicate to the second device. Otherwise, the first device refrains from communications with the third device. Also, the second device combines its private key with the public key of the first device received from the trusted third device to generate the same shared secret, and uses the shared secret to provision the first device to access a secured wireless network provided by the second device.
Cryptographic device with detachable data planes
A system for performing encryption and/or decryption may include a parent cryptographic device. The parent cryptographic device may be configured to receive a first cryptographic key. The parent cryptographic device may be configured to determine one or more session keys based on the first cryptographic key and/or internally generated random data bits. The parent cryptographic device may be configured to insert the one or more session keys onto one or more child cryptographic devices that are operably connected to the parent cryptographic device. The one or more child cryptographic devices may be configured to receive the one or more session keys from the parent cryptographic device, and perform one or more of encryption or decryption of communications exchanged with another child cryptographic device of the one or more child cryptographic devices. The one or more child cryptographic devices may perform encryption/decryption after separation from the parent cryptographic device.
Apparatus and method for data encryption
Provided is an apparatus for encrypting data including a key determiner configured to determine a cipher key for white-box cryptography (WBC)-based encryption and a symmetric key different from the cipher key and an encrypter configured to generate a ciphertext of the data using the WBC-based encryption and symmetric-key-based encryption with the symmetric key.
Mechanisms are provided for allowing pluggable encryption in an operating system. Modules such as proprietary cipher modules connect to a kernel cryptographic framework using cryptographic cipher adapters. Supported cryptographic ciphers as well as proprietary cryptographic ciphers can be used in a transparent manner during file system access, key management, and metadata maintenance operations. Proprietary cipher modules interact with the cryptographic cipher adapters as though the cryptographic cipher adapters are the kernel cryptographic framework. The kernel cryptographic framework interacts with the cryptographic cipher adapters as though the cryptographic cipher adapters are proprietary cipher modules.
Multi-block cryptographic operation
Some embodiments provide a method for performing a block cryptographic operation that includes a plurality of rounds. The method receives a message that includes several blocks. The method selects a set of the blocks. The set has a particular number of blocks. The method applies a cryptographic operation to the selected set of blocks. A particular round of the cryptographic operation for a first block in the set is performed after a later round than the particular round for a second block in the set, while a different particular round for the first block is performed before an earlier round than the different particular round for the second block. In some embodiments, at least two rounds for the first block are performed one after the other without any intervening rounds for any other blocks in the set.
Latency-optimized physical coding sublayer
Method and apparatus for reducing latency in a networking application comprises receiving data at a physical coding sublayer (PCS) from a media access control (MAC) sublayer, wherein the MAC sublayer utilizes a first clock domain operating at a first clock frequency. The method further comprises performing one or more functions in the PCS on the data in the first clock domain. The method also includes transmitting the data on one or more physical medium attachment (PMA) lanes, wherein the one or more PMA lanes utilize a second clock domain operating at a second clock frequency, wherein the first clock frequency and the second clock frequency have a fixed ratio. The method also comprises performing one or more functions in the PCS on the data in the second clock domain.
Transpositional modulation systems, methods and devices
Systems, methods and devices for transmitting and receiving and demodulating transpositional modulated signals, for increasing information bandwidth of defined communication channels, and for time-delay shifting an input signal in accordance to an input control signal are provided. One such method of increasing the information bandwidth of a defined communication channel includes receiving a first modulated signal having a first carrier signal frequency; receiving a second modulated signal having a second carrier signal frequency, the second modulated signal being modulated with information independent of information modulating the first carrier signal, the second carrier signal frequency being harmonically or sub-harmonically related to the first carrier signal frequency; and combining the first and second signals.
Testing using analog near end loop back circuit
Particular embodiments described herein can offer an electronic device that includes a transmit circuit to form part of a transmit interface, and a receive circuit to form part of a receive interface. The transmit circuit and the receive circuit are to test at least one functional aspect of the electronic device on which the transmit circuit and the receive circuit reside. The transmit circuit and the receive circuit are coupled together by an analog near end loop back connection established through a resistor segment.
Method for operating terminal in carrier aggregation system, and apparatus using said method
A method for operating a terminal in a carrier aggregation system and a corresponding apparatus. In the method, downlink control information (DCI) including a downlink assignment index (DAI) can be received via an enhanced physical downlink control channel (E-PDCCH). The DCI received via the E-PDCCH includes an additional field which does not exist in the DCI received via a physical downlink control channel (PDCCH). If the DAI value is larger than 1, the additional field is used in selecting one of a plurality of PUCCH resources set by the upper layer, and the selected one resource is used in transmitting ACK/NACK.
Mobile communication system and mobile communication method used in a mobile communication system
A mobile communication system performs communication of user data directly among a plurality of radio terminals without passing through a radio base station. The communication of user data directly performed among the plurality of radio terminals is performed by using apart of radio resources assigned to the mobile communication system. The plurality of radio terminals comprise: a transmission-side terminal that transmits the user data; and a reception-side terminal that receives the user data. The reception-side terminal transmits to a radio base station in a connected state where a radio connection is established with the reception-side terminal, a transmission acknowledgment signal indicating whether the user data transmitted from the transmission-side terminal has been received.
Method of transmitting control information for low-cost machine type communication, and apparatus for supporting same
The present invention relates to a method of transmitting downlink control information (DCI) for a low-cost machine type communication (MTC) used for a wireless access system, and apparatuses for supporting same. A method of receiving DCI for low-cost MTC equipment includes the steps of: receiving a signal including DCI format information about DCI; and receiving a physical downlink control channel (PDCCH) signal including the DCI by using the DCI formation information.
Wireless communication system, network device, and terminal device
Disclosed in present invention is a wireless communication system, comprising: a CAP, for determining a structure of a current physical frame according to scheduled transmission resources, and sending information for indicating the structure of the current physical frame in the current physical frame; and at least one STA communicating with the CAP, for determining the structure of the current physical frame according to the information for indicating the structure of the current physical frame, the length of each physical frame depending on the structure of the current physical frame and being not fixed. Also disclosed are two devices for wireless communication.
Network resource configuration
Network resource configuration is provided by receiving subscriber data, the subscriber data relating to network related activities and subscriber related activities of subscribers in a group of subscribers of a network operator of a communications system. A churn score is determined for each subscriber in the group of subscribers based on a set of churn score parameters for the subscriber data, the churn score representing probability of a subscriber to churn. A subgroup of subscribers is determined from the group of subscribers based on the churn score. A network resource configuration in the communications system is determined for the subgroup of subscribers based on the churn score. Information relating to the determined network resource configuration and/or a service related to the determined network resource configuration is transmitted.
Network element and method of operating a network element
The exemplary embodiments of the invention provide at least a method and apparatus to adapt a network element (201, 203) for a communication network (200), wherein the network element (201, 203) is adapted to switch between a first state and a second state to the first state during a subframe (303) of a communication in the communication network (200). Further, in accordance with the exemplary embodiments there is at least a method and apparatus to adapt a network element (201, 203) to receive signals during the second state and transmit signals during the first state.
Multi-access point calibration method and device
A method and device for multi-access point calibration are disclosed. The method includes: a base station estimating a value closest to a true parameter deviation in a value interval of an uplink and downlink channel parameter deviation between access points, wherein the parameter deviation includes a phase difference and an amplitude difference; and the base station performing phase and/or amplitude calibration on service data transmitted jointly by the access points according to the value. With the method and device provided in the present document, a cell calculates a parameter difference between different access points, and then calibrates multiple access points according to the parameter difference, so as to solve a problem that the phase difference and amplitude difference exist between the data transmitted jointly between the multiple access points, and thus it can be guaranteed that good coherent transmission is performed between the access points, thereby improving the system performance.
Method for reducing inter-cell interference in cooperative multi-cell wireless communication system, and apparatus for same
The present invention relates to a method for reducing inter-cell interference in a wireless communication system and to an apparatus for same. More specifically, a method for reducing the inter-cell interference between serving cells in the cooperative multi-cell wireless communication system comprises the steps of: receiving from an adjacent cell interference information on a specific wireless resource region; and reducing interference with respect to the specific wireless resource region based on the interference information, wherein the specific wireless resource region is a wireless resource region that the serving cell uses by changing the purpose of a wireless resource.
Wireless communication scheduling on shared spectra
A method includes scheduling, by a base station configured to service a cell within a cellular communication network, multiple grants to an apparatus in a coverage area of the cell. Each of the scheduled multiple grants includes time-frequency resources in at least one shared spectrum that is to be used by the apparatus to attempt to communicate. Each of the scheduled multiple grants differs from others of the scheduled multiple grants in one or both of time or frequency. The method includes sending indications of the scheduled multiple grants. Another method includes receiving, at the apparatus in the cell, indications of the multiple grants and attempting by the apparatus to communicate using one or more of the multiple grants. Apparatus, computer programs, and program products are also disclosed.
Wireless access system using multiple modulation formats in TDD frames and method of operation
A radio frequency (RF) modem shelf for use in a fixed wireless access network comprising, a plurality of base stations capable of bidirectional time division duplex (TDD) communication with wireless access devices disposed at subscriber premises. The shelf comprises: a) a first RF modem for communicating with wireless access devices using TDD frames, each TDD frame having an uplink for, receiving data and a downlink for transmitting data; and b) a modulation controller associated with the RF modem shelf for determining an optimum modulation configuration for each of the wireless access devices communicating with the first RF modem. The controller causes the first RF modem to transmit downlink data to a first wireless access device in a first data block having a first optimum modulation configuration and to transmit downlink data to a second wireless access device in a second data block having a different second optimum modulation configuration.
System and method for detecting loss of signal
Apparatus and methods are taught for quickly determining whether a Loss of Signal (LOS) condition has occurred for a receiver which includes an internal reference clock, a LOS circuit and a Clock and Data Recovery (CDR) circuit. The CDR circuit recovers the clock and data of an incoming signal. However, the LOS circuit can determine whether a received incoming signal includes an active signal, independent of said CDR circuit such that it samples said incoming signal utilizing said internal reference clock to determine a loss of signal prior to said CDR recovering the clock of said incoming signal. The LOS circuit includes an analog voltage threshold stage which samples the incoming signal, and produces at least one sample stream indicative of transitions in the incoming signal. The LOS circuit further includes a digital transition stage which counts transitions in order to discriminate between an active signal and noise.
Apparatus and method for retransmitting data in wireless communication system
An apparatus and a method for retransmitting data in a wireless communication system using channel bonding are provided. The method for retransmitting data includes transmitting data by mapping the data to at least two channels according to the channel bonding, and retransmitting the data by changing a mapping scheme of the data to the at least two channels.
Systems and methods for configuring feedback transmissions in a wireless network
A method of configuring the communication of feedback information in a wireless communication network includes obtaining information pertaining to an interference condition. The interference condition relates to interference experienced by a wireless communication device. The method also includes selecting one of a synchronous feedback type and an asynchronous feedback type for the wireless communication device based on the obtained information. Additionally, the method includes receiving and/or transmitting feedback information for an uplink transmission in accordance with the selected feedback type.
Shifting HARQ feedback for cognitive-radio-based TD-LTE systems
A method includes, in response to a determination one or more quiet periods conflict with specified hybrid automatic repeat request feedback timing, sending one or more indicators to one or more user equipment to indicate to the user equipment to shift the specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request feedback timing. The method includes communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request feedback timing. Another method includes receiving at a user equipment one or more indicators indicating to the user equipment to shift specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request timing, and communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request timing. Apparatus, computer program product, and computer programs are also disclosed.
Snoop virtual receiver time
A snoop receiver, method and computer program product for increasing the efficiency of TCP protocol operations at the snoop receiver by assuming there is no reordering over the wireless hop. The method performs maintaining a copy of each packet received, the copy adapted for retransmission to the receiver device on behalf of the source device and maintaining for each packet received, a virtual send time (VST) value of that packet. The VST corresponds to a virtual time the packet was sent or retransmitted to the receiver device. There is further maintained an estimate of the receiver device's time (VRT) based on acknowledgement (ACK) messages for packets received from the receiver device. Responsive to receiving an acknowledgement for a packet sent at the time VST, the method infers any lost packets and retransmits a copy of any lost packets having a VST value sent before the receiver's VRT estimate.
Wireless transmission of multimedia streams which uses control information to associate error correction coding with an audiovisual stream
A system and method for wirelessly transmitting audiovisual information. A first plurality of packets including audiovisual information may be generated. A second plurality of packets including error correction coding information for the audiovisual information may be generated. Control information for associating the error correction coding information with the audiovisual information may be generated, and a third plurality of packets including the control information may also be generated. The plurality of packets, including the first, second, and third pluralities of packets, may be transmitted to a mobile device in a wireless manner. The control information may inform the mobile device of the association of the first error correction coding information with the audiovisual information.
Channel state information reporting in a wireless communication network
According to certain aspects, techniques for periodically reporting channel state information (CSI) on protected and unprotected resources are provided. The protected resources may include resources in which transmissions in a first cell are protected by restricting transmissions in a second cell.
Method of detecting a jamming transmitter affecting a communication user equipment, device and user equipment and system with the user equipment
Method of detecting a jamming transmitter, affecting a communication user equipment, wherein said communication user equipment is adapted for communication with a component of a cellular code division multiple access based radio network having a number of user equipments and a number of base node stations, providing the user equipment in a connected mode of a communication radiolink with the component of the radio network wherein in the connected mode of said user equipment jamming detection steps are provided.
The present invention provides a node apparatus, where two N×N wavelength selective switches are used to form a parallel-connected structure, and two ends of each power splitter are separately connected to input ends of the N×N wavelength selective switches, and two ends of each power combiner are separately connected to output ends of the N×N wavelength selective switches, thereby transferring route switching selection work originally performed between multiple 1×M wavelength selective switches to the inside of the N×N wavelength selective switch for implementation. Compared with an original structure using discrete components, the node apparatus is simplified, and when a traffic volume expands, the number of module slots on a line side does not need to be increased, thereby reducing usage costs eventually. The present invention is used for signal transmission in a node.
Distributed optical combining: OBI free, power free
Implementing a laser into a system that uses a remote powered combiner or an aggregating combiner (AC) with one or more in-range contributing combiners may provide power to the downstream contributing combiners (CC). The power may be provided on the same fiber that downstream signals and the upstream signals traverse.
Communication system, base station, mobile station, method for mobile station, and method for communication system
A device and method in which a plurality of Zadoff-Chu sequences is allocated to a frame, a value of a parameter in the Zadoff-Chu sequence is different among the plurality of Zadoff-Chu sequences, and the Zadoff-Chu sequence allocated to the frame is different among a plurality of cells.
Establishing the quality indicator of a radio channel by decorrelating radio conditions and network activity
A method establishing a quality indicator of a radio transmission channel in a first cell of a cellular network using a plurality of orthogonal frequency-division multiplexed subcarriers for transmitting data. A first transmitter located in the first cell transmits a reference control signal including a total-load control signal modulating one or more of the orthogonal subcarriers, during one or more first symbol times dedicated to transmission of symbols other than data symbols, and a useful-load control signal modulating one or more orthogonal subcarriers during at least one second symbol time dedicated to transmission of data symbols. A transmitter located in an adjacent cell transmits an interfering control signal modulating, during the first symbol time(s). The quality indicator is determined according to a measured quality indicator of the channel under the useful load and a measured quality indicator of the channel under the total load.
Method of demodulating data on new type of carrier wave
A method of demodulating data according to an embodiment of the present invention is presented. The method of demodulating data may include: setting a terminal to be in a transmission mode of PDSCH to which transmission diversity is applied; receiving resource allocation information on the PDSCH by the terminal; transmitting downlink (DL) data onto the PDSCH to which the transmission diversity is applied, according to the resource allocation information; receiving, from a base station, information on the number of antenna ports used for receiving a reference signal that is used for demodulating the DL data; and receiving a reference signal used for demodulating the DL data. The reference signal may be generated based on the identifier of the terminal, and the number of antenna ports used for receiving the reference signal may be the same as the number of antenna ports used for receiving the PDSCH.
Systems and methods for enhanced user equipment assistance information in wireless communication systems
Systems and methods are disclosed for communicating enhanced user equipment (UE) assistance information between nodes in wireless communication systems. The UE achieves power savings and latency requirements more effectively by communicating its preferences, constraints and/or requirements to an evolved Node B (eNodeB) in the form of UE assistance information. The UE assistance information may include, for example, an indication of a preferred set of discontinuous reception (DRX) settings, current data traffic conditions, expected data traffic conditions, power or performance preferences, and/or an indication of the UE's mobility between cells.
Adaptive precision timing control in a communication system
Methods, devices, and computer program products facilitate establishing timing synchronization between two network entities. The timing information is exchanged between a slave device and a master device at the discretion of the slave device. The exchange of timing information can, therefore, be conducted adaptively based on the needs of the salve device. The timing information is also exchanged using fewer messages, thereby reducing network traffic, reducing overhead and facilitating synchronization acquisition.
Dynamically self-organizing ad-hoc TDMA communications synchronization method
A method and system for TDMA synchronization including providing an ad-hoc TDMA mobile communication network, the communication network includes a plurality of mobile units, transmitting an information packet from a mobile unit of the plurality of mobile units to each remaining one of the plurality of mobile units. The method and system further including comparing at each remaining one of the plurality of mobile units the corresponding preamble detection time trx,i with a predetermined time parameter tcorr, and adjusting the corresponding preamble detection time trx,i of each remaining one of the plurality of mobile units accordingly. In addition, a method for logical timeslot synchronization and its enhancement using directed synchronization procedure with a refresh procedure are disclosed if a transmitting mobile unit exits the communication network and reconnects thereto.
Optically enabled multi-chip modules
An optically enabled multi-chip module has an optical engine transceiver and a host system chip. The optical engine transceiver has an optical engine front-end and an optical engine macro. The optical engine front-end has multiple laser diodes, laser driver circuitry electrically interfaced with each of the laser diodes, multiple photodiodes, amplifier circuitry electrically interfaced with each of the photodiodes, and at least one optical element optically positioned between the laser diodes and at least one optical fiber and between the photodiodes and the at least one optical fiber. The at least one optical element optically interfaces the laser diodes and photodiodes with the optical fiber. The optical engine macro is both electrically interfaced with and physically segregated from the optical engine front-end. The optical engine macro provides a subset of optical transceiver functionality to the optical engine front-end. The host system chip is electrically interfaced with the optical engine transceiver.
Optical transceiver module and method of assembling the same
An optical transceiver module includes a first flexible circuit board and a second flexible circuit board; a light receiving unit and a light transmitting unit disposed on the first flexible circuit board and the second flexible circuit board, respectively; a printed circuit board connected to the first flexible circuit board and the second flexible circuit board, and including a connecting point; and a signal processing unit disposed on at least one of the first flexible circuit board, the second flexible circuit board, and the printed circuit board. The signal processing unit processes optical signals received by the light receiving unit and transmits the signals to the connecting point of the printed circuit board, and processes electrical signals transmitted from the connecting point of the printed circuit board and transmits the signals out through the light transmitting unit.
Visible light communication terminal
A housing body of a visible light communication terminal houses a light receiving unit configured to receive a visible light communication signal to convert the received visible signal to an electrical signal, an output unit configured to output information obtained from the visible light communication signal, and a power supply unit configured to supply power to the light receiving unit and the output unit. An ear hooking part is curved in an arc-like shape and is attached at one end thereof to the housing body, and is configured to fit the housing body to an auricle by being hooked onto the auricle and together with the housing body sandwiching the auricle therebetween. The light receiving unit is located on a portion of the housing body on an upper side thereof in a vertical direction in a state where the housing body is fitted to the auricle.
Providing channel health for a WDM system
The present disclosure describes a method, an apparatus, and a non-transitory computer-readable medium storing a program for measuring characteristics of a WDM system. The method may include obtaining channel characteristics of a channel, calculating a Health Factor of a channel using the characteristics, and displaying the Health Factor and characteristics of a channel on a display device.
In one implementation, information indicating that a communication device is requesting to enter a dedicated transmission mode in a talkgroup may be received. In addition, information indicating a first position of the communication device may be received. A satellite constellation may be controlled to establish a first channel for communications for the talkgroup within a first beam that has a coverage area including the first position of the communication device. Further, a potential second position of the communication device may be determined. The satellite constellation may be controlled to establish a second channel for communications for the talkgroup within a second beam that has a coverage area including the potential second position of the communication device.
Providing network connectivity and access to content and communications via moving objects
Various techniques for providing network connectivity are described herein. In one example, a moving object includes an uplink device of the moving object to connect the moving object to a publicly available computer network. The moving object also includes a downlink device of the moving object to be communicatively coupled to a remote device at a specific segment along a route of the moving object. The remote device is to provide data received via the downlink device to a user. The moving object also further includes a cache store communicatively coupled to the uplink device and the downlink device. Implementations include the use of commercial airplanes for providing connectivity via intermittent access and refreshing of a cache store that makes content available to end users.
Coexistent channel access method
A method is provided for transmitting a multiple input multiple output (MIMO) packet in a wireless local area network. A physical layer convergence procedure (PLCP) protocol data unit (PPDU) is generated including at least one training field, a very high throughput (VHT)-signal field and a plurality of data streams. The PPDU is transmitted to at least one receiver. The VHT-signal field includes first information, second information and third information. The first information indicates that the plurality of data streams in the PPDU are simultaneously received by the at least one receiver. The second information indicates which receiver is targeted for the plurality of data streams. The third information indicates a bandwidth used for a transmission of the plurality of data streams.
Method for transmitting and receiving a signal to protect against erroneous feedback information
A method for providing precoding weights for data symbols of data control subframes includes generating a downlink frame having control subframes which individually correspond to one of a plurality of downlink data subframes, and inserting weight information into each of the control subframes, such that the weight information is to be applied to data symbols present in the corresponding one of the data subframes. The method further includes transmitting the control subframes and the inserted weight information to a receiving device.
Apparatus and method for transmitting and receiving feedback information in beamforming communication system
A method for operating a mobile station in a mobile communication system. The method includes: receiving a plurality of transmit (Tx) beam signals from a base station; generating indication information for indicating a difference in arrival time between effective Tx beam signals selected from the received Tx beam signals; and transmitting feedback information including the indication information to the base station.
Pre-coding method and pre-coding device
Disclosed is a precoding method comprising the steps of: generating a first coded block and a second coded block with use of a predetermined error correction block coding scheme; generating a first precoded signal z1 and a second precoded signal z2 by performing a precoding process, which corresponds to a matrix selected from among the N matrices F[i], on a first baseband signal s1 generated from the first coded block and a second baseband signal s2 generated from the second coded block, respectively; the first precoded signal z1 and the second precoded signal z2 satisfying (z1, z2)T=F[i] (s1, s2)T; and changing both of or one of a power of the first precoded signal z1 and a power of the second precoded signal z2, such that an average power of the first precoded signal z1 is less than an average power of the second precoded signal z2.
Signal sequence estimation
In a spatial modulation multiple-input-multiple-output (SM-MIMO) wireless communication system, multiple transmitting antennae and multiple receiving antennae may be utilized to respectively transmit and receive wireless signals for the communication. A selection of a combination of the multiple transmitting antennae may be configured to represent one or more binary digits in a signal sequence. The signal sequence may be produced at the receiving end without the knowledge of the selection of the combination of the multiple transmitting antennae.
Channel estimation with precoding matrix smoothing at the transmitter
Various communication network may benefit from precoding matrix smoothing. For example, a network node comprises a processor and a memory including computer program code. The memory and the computer program code, with the processor, are configured to cause the network node to receive a precoding matrix index indicating a precoding matrix, allocate resources for downlink transmission to a user equipment, smooth a plurality of precoding matrices including the precoding matrix across the allocated resources and transmit a signal indicating the plurality of precoding matrices have been smoothed. Based on the signal, the user equipment can perform interference reduction or cancellation.
Context aware multiple-input and multiple-output antenna systems and methods
A method, a system, and a server provide context aware multiple-input-multiple-output MIMO antenna systems and methods. Specifically, the systems and methods provide, in a multiple MIMO antenna or node system, techniques of antenna/beam selection, calibration, and periodic refresh, based on environmental and mission context. The systems and methods can define a context vector as built by cooperative use of the nodes on the backhaul to direct antennas for the best user experience as well as mechanisms using the context vector in a 3D employment to point the antennas in a cooperative basis therebetween. The systems and methods utilize sensors in the nodes to provide tailored context sensing versus motion sensing, in conjunction with BER (Bit Error Rate) measurements on test signals to position an antenna beam from a selection of several “independent” antenna subsystems operating within a single node, as well as, that of its optically connected neighbor.
Systems, methods and apparatuses for wireless capacitive reception and transmission of signals with distortion compensation in a channel (variants)
Disclosed is a system for wireless capacitive reception and transmission of signals with distortion compensation in a channel, including a transmitting and a receiving apparatuses, which are configured, respectively, of wirelessly transmitting and receiving signals, wherein the transmitting apparatus comprises a signal precompensator with an input for data signals which are transmitted, a signal driver with an input for prepared signals and precompensation signals, and transmitting terminals which are spaced apart and are connected to the outputs of the signal driver in such a way that corresponding electrical fields are produced. The receiving apparatus includes spaced-apart receiving terminals, which are capable of detecting the electrical fields produced by the transmitting terminals and received signals which are reproduced on the receiving terminals, and an adaptive signal corrector, the inputs of said adaptive signal correcter being connected to the receiving terminals, and which adaptive signal corrector has outputs for received data signals.
Near field RF communicator and timing apparatus
A near field communications (NFC) device is disclosed that detects an envelope of a radio frequency (RF) signal. The NFC device includes a peak detector that determines the envelope of the RF signal. The peak detector compares a first differential signal voltage to a second differential signal voltage. The peak detector delays a rising edge of a first differential signal and provides the first differential signal voltage to the peak detector output when the first differential signal voltage is greater than the second differential signal voltage. The peak detector delays a falling edge of a second differential signal and provides the second differential signal voltage to the peak detector output when the second differential signal voltage is greater than the first differential signal voltage.
Wireless energy receiving apparatus and method, and wireless energy transmitting apparatus
An apparatus and a method for wirelessly receiving and transmitting energy are provided. A wireless energy receiving apparatus in a terminal configured to wirelessly receive energy through mutual resonance between a resonator of an energy supply apparatus configured to supply the energy and a resonator of the terminal, includes an energy measuring unit configured to measure an amount of energy stored in the terminal. The wireless energy receiving apparatus further includes a control unit configured to change a state of the resonator of the terminal from a non-resonant state to a resonant state when the measured amount of energy is less than or equal to a predetermined threshold.
Information processing system capable of performing processing making use of storage medium between information processing apparatuses, non-transitory storage medium encoded with computer readable information processing program, and method of controlling information processing apparatus
An information processing system includes an information storage medium and first and second information processing apparatuses capable of near field wireless communication. The first information processing apparatus includes a first data processing module which performs predetermined processing caused by execution of an application program by the first information processing apparatus and a first writing module which writes environmental data generated through the predetermined processing into the information storage medium by establishing near field wireless communication with the information storage medium. The second information processing apparatus includes a first reading module which reads data from the information storage medium by establishing near field wireless communication with the information storage medium and a second data processing module which processes the environmental data read as a result of reading of the data from the information storage medium caused by execution of an application program by the second information processing apparatus.
Adaptable rate transceiver
A transceiver integrated circuit (IC) receives signals having a mix of idle characters and data via a multi-lane system-side signaling interface at a first signaling rate compliant with a standards-based signaling protocol. The transceiver IC outputs signals via a multi-lane line-side signaling interface at a second signaling rate that is lower than the first signaling rate and non-compliant with the standards-based signaling protocol and also outputs one or more requests to a remote IC source of the signals received via the system-side signaling interface to adjust a proportion of idle characters within the received signals as necessary to balance a data rate of the received signals with the second signaling rate without adjusting the first signaling rate.
Banded holder with cradle
This disclosure relates generally to an apparatus for retaining a portable electronic device on the body of a user. The apparatus includes a cradle with at least two securing regions that stretch to retain portions of front, back, and side portions of an electronic device. The cradle also includes apertures in portions on and/or near the securing regions that allow portable electronic devices of different sizes to be secured. The cradle also includes at least one protrusion that interfaces with at least one corresponding securing aperture in a band of flexible material. Cradles of different sizes may be attached to the band of flexible material using the one or more securing apertures.
Receiver and voltage controlled oscillator
According to an embodiment, a receiver includes a voltage controlled oscillator, a frequency-to-digital converter and an input sensitivity controller. In the voltage controlled oscillator, input sensitivity relative to a baseband signal is controlled based on an input sensitivity control signal. The voltage controlled oscillator oscillates at a frequency controlled by a voltage of the baseband signal to generate an oscillation signal. The frequency-to-digital converter performs frequency-to-digital conversion of the oscillation signal to generate a digital signal. The input sensitivity controller generates the input sensitivity control signal based on the digital signal.
Parallel bit interleaver
A bit interleaving method applying a bit permutation process to a QC LDPC codeword made up of N cyclic blocks of Q bits each, dividing the processed codeword into constellation words of M bits each, and applying an intra-cyclic-block permutation process to the cyclic blocks, where the codeword is divided into F×N/M folding sections of M/F cyclic blocks each and the constellation words are each associated with one of the folding sections, and the bit permutation process is applied such that the constellation words are each made up of F bits from each of M/F different cyclic blocks in the associated section, after the permutation process.
Hardware data compressor that directly huffman encodes output tokens from LZ77 engine
A hardware data compressor. An LZ77 compression engine scans an input block of characters and produces tokens, the tokens are either literal characters of the input block or a back pointer to replaced strings of characters of the input block. A Huffman encoding engine receives the tokens produced by the LZ77 compression engine and Huffman encodes the tokens using a Huffman code table to generate a compressed output block. The hardware data compressor is without a memory to intermediately store the back pointers and instead, for each token produced by the LZ77 engine, the Huffman encoding engine directly receives the token from the LZ77 engine and outputs Huffman codes corresponding in the Huffman code table to respective symbols associated with the token before the LZ77 engine produces the next token.
Interface circuit operating to recover error of transmitted data
Provided is an interface circuit for transmitting and receiving data according to a communication protocol. The interface circuit includes: an encoder configured to encode input data to generate transmission data; a transmitter configured to output the transmission data; a data sequence detector configured to detect whether the number of successively same logic values in a data string of the transmission data is equal to or greater than a reference succession number; and a recovery section configured to control a recovery operation with respect to the transmission data, based on a detection result of the data sequence detector. With the interface circuit, data loss is prevented and data reliability is guaranteed.
Signal conversion method, signal transmission method, signal conversion device, and transmitter
A signal conversion method including converting an input signal into a 1-bit pulse train representing an analog signal is provided. The 1-bit pulse train has a pulse rising waveform frise and a pulse falling waveform ffall. The pulse rising waveform frise includes a first distortion component with respect to an ideal pulse rising waveform, and the pulse falling waveform ffall includes a second distortion component with respect to an ideal pulse falling waveform. The first distortion component and the second distortion component are substantially line-symmetric with respect to a time axis.
D/A conversion circuit, oscillator, electronic apparatus, and moving object
A D/A conversion circuit includes a plurality of resistors that are connected to each other in series, and a plurality of MOS transistors that are connected to terminals of the plurality of resistors, respectively. The plurality of resistors and the plurality of MOS transistors are formed on a semiconductor substrate. Each of the plurality of resistors is constituted by a resistive element and a plurality of contacts provided in the resistive element. The plurality of MOS transistors are disposed so that a plurality of virtual straight lines that pass through each of the plurality of contacts and are perpendicular to a longitudinal direction of the resistive element pass between gate electrodes of two adjacent MOS transistors, when seen in a plan view of the semiconductor substrate.
Oscillator with frequency control loop
Circuitry for providing an oscillating output signal. The circuitry comprises a transconductance circuit having a first input, a second input, and an output. The circuitry further comprises an oscillator circuit coupled to receive voltage from the output of the transconductance circuit, wherein the oscillating output signal is responsive to an output of the oscillator circuit. Also included are circuitry for providing a first voltage to the first input of the transconductance circuit and a frequency controlled circuit for providing a second voltage to the second input the transconductance circuit. The second voltage is response to a frequency of operation of the frequency controlled circuit, and the frequency of operation of the frequency controlled circuit is responsive to feedback from the output of the oscillator circuit.
Dynamic prescaling for performance counters
A method of configuring a prescaling circuit in a performance counter circuit for a computer processing system can include receiving a first number of signaled events at a prescaling circuit configured to generate event counts for a performance counter circuit. The method can include generating event counts at a current event-count rate for the first number of signaled events and determining a detected event-count rate for the signaled events based on a rate at which the first number of signaled events are received at the prescaling circuit. The method can include determining that the detected event-count rate is greater than the current event-count rate. The method can include increasing the current event-count rate in response to determining that the detected event-count rate is greater than the current event-count rate.
Single-ended contention-free wide operating range level voltage shifter with built-in voltage boosting and down-stepping assisting circuitry
A voltage level shifter to provide an output logic signal in response to an input logic signal, where the input logic signal is in a first voltage domain and the output logic signal is in a second voltage domain. In one embodiment, a voltage boost module provides a boosted voltage in response to the input logic signal going HIGH, where the boosted voltage is sufficient to turn OFF a pull-up transistor operating in the second voltage domain. Contention among pull-down and pull-up transistors may be avoided.
Reconfigurable circuit, storage device, and electronic device including storage device
A reconfigurable circuit suitable for a redundant circuit of a storage device is provided. A programmable logic element (PLE) includes k logic circuits (e.g., XNOR circuits), k configuration memories (CM), and another logic circuit (e.g., an AND circuit) to which the outputs of the k logic circuits are input. The output of the AND circuit represents whether k input data of the PLE all correspond to configuration data stored in the k CMs. For example, when the address of a defective block in the storage device is stored in the CM and address data of the storage device the access of which is requested is input to the PLE, whether the defective block is accessible can be determined from the output of the AND circuit.
Multiplexing voltages on functional input pin with pass device
A circuit includes an input pin connected to an integrated circuit (IC) that receives an input voltage that is provided to a first voltage circuit within the IC. A pass device having a control input responds to a first control signal state and a second control signal state. The first control signal state turns the pass device off such that the input voltage is switched off to block the passing of the input voltage to a second voltage circuit within the IC. The second control signal state turns the pass device on such that the input voltage is switched through the pass device to the second voltage circuit in a voltage range that is compatible with an input operating voltage range of the second voltage circuit.
A semiconductor apparatus include a signal level switching decision unit and a transmitter unit. The signal level switching decision unit generates a switching control signal according to off-current of transistors included therein. The transmitter unit outputs a transmitter input signal as a transmitter output signal in response to a switching control signal.
Galvanically isolated switch system
A galvanically isolated switch system and method comprising a plurality of switches having at least one terminal in series electrical connection, at least one control input electrically connected to at least one of the plurality of switches, wherein the at least one control input is isolated from direct current voltages and at least one passive component connected across the plurality of switches.
Detecting and driving load using transistor
A driver IC (Integrated Circuit) includes a power supply terminal; an output terminal to be coupled to a load element; a connection node on a current path between the power supply terminal and the output terminal; a substrate resistance, having one end coupled to the connection node; an output transistor including a gate, wherein the output transistor is coupled in series with the substrate resistance through the connection node; a resistance, having one end coupled to an other end of the substrate resistance; and a voltage detecting circuit configured to detect a voltage depending on a voltage between the one end of the substrate resistance and the other end of the substrate resistance, and to output an output signal, which is as an output of the voltage detecting circuit, to the gate of the output transistor.
System and method for a radio frequency switch
In accordance with an embodiment, a circuit includes a plurality of switching networks coupled between a corresponding plurality of RF ports and a common RF port, and a control circuit. Each of the plurality of switching networks includes a first switch coupled between its corresponding RF port and the common RF port, and at least one of the plurality of switching networks includes a selectable network coupled between the first switch and the common RF port, such that the selectable network provides a DC path in a first state and a series capacitance in a second state.
Voltage level detector, motor drive controller, motor apparatus, and method of detecting voltage level
A voltage level detector is provided. The voltage level detector includes a comparator and a threshold level changer. The comparator compares a voltage level of an increasing or decreasing input signal with a threshold level, and generates and outputs a voltage level detection signal indicating that the input signal has reached the threshold level. The threshold level changer changes the threshold level of the comparator based on the voltage level detection signal by increasing the threshold level when the input signal is monotonically increasing and decreasing the threshold level when the input signal is monotonically decreasing.
Selecting of a pre-filter in a receiver of a communication system
Embodiments provide a receiver comprising an input coupled to a communication channel for receiving an input signal from the communication channel, a first processing filter coupled to the input, and a first level estimation module coupled to the first processing filter to estimate a first level of the input signal based upon the first processing filter. The receiver further comprises a second processing filter coupled to the input, a second level estimation module coupled to the second processing filter to estimate a second level of the input signal based upon the second processing filter, and a control module coupled to (i) the first level estimation module and (ii) the second level estimation module, wherein the control module includes logic configured to select an analog pre-filter for the input signal based upon (i) the first level of the input signal and (ii) the second level of the input sign.
Musical dynamics alteration of sounds
An improved method and arrangement for altering musical dynamics of a sound S included in a sound signal is disclosed. The altering of the musical dynamics is performed by filtering and amplification of the sound signal. The filtering is performed by the use of a parametric equalizer, the parametric equalizer having a first gain G1 and a resonance frequency fr being related to a pitch frequency fp of said sound S. The amplification is performed by an amplifier amplifying the sound signal with a second gain G2, the second gain G2 being dependent on the first gain G1.
Open-gain trans-impedance amplifier with programmable input impedance
In at least some examples, a communication device includes a photo-diode to convert an optical signal into an electrical current and an open-gain trans-impedance amplifier to amplify the electrical current. The communication device also includes a transmission line between the photo-diode and the open-gain trans-impedance amplifier. The open-gain trans-impedance amplifier includes a programmable input impedance that has been matched to an impedance of the transmission line.
Multi-varactor approach for improved VCO gain
An apparatus with a multi-varactor circuit for suppressing VCO gain is described herein. According to an embodiment, the apparatus comprises a plurality of varactor stages that are electrically coupled in parallel. For two or more varactor stages of the plurality of varactor stages, each respective varactor stage of the two or more varactor stages includes a set of one or more varactors that are electrically coupled to a tuning source. Each respective varactor stage of the two or more varactor stages is configured to vary a respective capacitance based on a tuning voltage from the tuning source and to be biased at a different respective voltage level. In other embodiments, the set of one or more varactors for each varactor stage of the two or more varactor stages includes at least one digitally-controlled switched varactor. The digitally-controlled switched varactors may be selectively connected to the tuning source.
Reconfigurable bias and supply drivers for radio frequency power amplifiers
In some example embodiments, there is provided an apparatus. The apparatus may include a direct current voltage source and/or an alternating current voltage source to track a power envelope of a radio frequency signal. The apparatus may further include first and second power amplifiers with bias voltage inputs and a supply voltage inputs, and a switch matrix. The first input may be coupled to the direct current voltage source, the second input may be coupled to the alternating current voltage source. The outputs may be coupled to the bias and supply inputs to the power amplifiers. The switch matrix may enable activation of the first power amplifier, the second power amplifier, both the first and second power amplifiers, or neither power amplifier.
Multimode RF amplifier system
Multimode radio frequency (RF) amplifier systems and techniques are disclosed. In one embodiment, a multimode radio frequency (RF) amplifier system has a first RF amplifier and a second RF amplifier. The first RF amplifier may support a first RF communication standard. The second RF amplifier may support a second RF communication standard. The first RF amplifier includes an auxiliary circuit. The auxiliary circuit may provide a service or a utility to a second RF amplifier. For example, the auxiliary circuit may generate a supply voltage to power the second RF amplifier.
Femtowatt non-vacuum tube detector assembly
In one embodiment, a femtowatt sensitivity optical detector is provided using one or more photodiodes, intended as a replacement for the photomultiplier based photon counting unit.
Amplifier device and wireless communication device
An amplifier device 1 includes: a distortion compensation section 3 that performs distortion compensation for an input signal x to an amplifier 2 by digital signal processing; and a separation section 9 that separates an output signal from the amplifier 2 into an I signal as an analog signal component including phase information of the output signal and an analog signal component including power information of the output signal. The distortion compensation section 3 performs distortion compensation for the amplifier 2, based on 1-bit signals obtained by expressing, in 1 bit, the analog I signal and the analog signal component including the power information of the output signal, respectively.
Power amplifier saturation detection
In a portable radio transceiver, a power amplifier system includes a saturation detector that detects power amplifier saturation in response to duty cycle of the amplifier transistor collector voltage waveform. The saturation detection output signal can be used by a power control circuit to back off or reduce the amplification level of the power amplifier to avoid power amplifier control loop saturation.
Line driver with active termination and associated method
A line driver and a method for driving a load are proposed. The line driver includes a current amplifier and a feedback network. The current amplifier has an input node arranged to receive an input current of the line driver, and an output node arranged to produce an output current. The feedback network is coupled between the input node and the output node of the current amplifier, wherein a portion of the output current of the line driver is guided to the feedback network, and an equivalent impedance obtained by looking into the output node of the current amplifier with the feedback network substantially equals an impedance of the load.
Multimode oscillator enabling simultaneous monitoring of variations in several resonance frequencies of a resonator
A multimode oscillator comprising: a resonator including: a moving element; actuators of the moving element according to two symmetric and antisymmetric resonance modes; several detectors of the displacement of the moving element; polarization circuitry of the detectors by signals out of phase with each other; a first calculator carrying out a first operation conserving the frequential components of the first mode and cancelling those of the second mode; a second calculator carrying out a second operation conserving the frequential components of the second mode and cancelling those of the first mode; and in which the resonator and the calculators form two self-oscillating loops making the oscillator resonate simultaneously in the two modes.
Voltage controlled oscillator with common mode adjustment start-up
The present disclosure provides methods and apparatus for dynamically adjusting the common mode voltage at the LC tank node and/or the power supply voltage of a VCO with an LC resonator in order to force oscillation start-up by temporarily increasing gain. Methods according to certain preferred embodiments may reduce power consumption and/or overcome threshold voltage limitations and/or increase frequency and frequency tuning range during normal (steady-state) operation.
Crystal oscillator start-up circuit
A crystal oscillator start-up circuit capable of reducing a start-up time of a crystal oscillator is disclosed. The crystal oscillator start-up circuit is provided with a crystal oscillation unit including a crystal oscillator, a converter and an external oscillator. The crystal oscillation unit generates an output signal corresponding to the impedance characteristic of the crystal oscillator. The converter converts the output signal of the crystal oscillation unit to a voltage signal. The external oscillator outputs to the crystal oscillation unit an oscillation signal whose frequency is adjusted by the voltage signal to approach a resonance frequency of the crystal oscillator.
Solar cell module and systems incorporating same
An electrical connection system comprising a plurality of electrical components electrically interconnected by a plurality of multi-terminal electrical connector devices. Each electrical component has first and second electrical terminals, each connector device having a plurality of electrical terminals arranged in first and second rows each row comprising a plurality of said terminals. One row is positioned along one side of the connector, the other row being positioned along the other side of the connector. First and second of the connector terminals are electrically connected to a respective one of the first and second terminals of a respective one of the electrical components. Each connector device is configurable such that its terminals may adopt a selected one of a plurality of terminal configurations.
Solar module installation system and method
A solar panel installation includes at least one support cable and at least two support structures configured to hold the at least one support cable in suspension therebetween. The solar panel installation includes at least one solar module having a frame and at least one cable retaining structure secured to the frame. The at least one support cable is configured to support the solar module aloft when the at least one support cable is being held in suspension between the first and the second anchor. The solar module is configured to be slid along the at least one support cable between the support structures when the solar module is being held aloft by the at least one support cable.
Motor drive switched mode power supply systems and methods
The embodiments described herein include one embodiment that provides a motor drive that includes driver circuitry that controls operation of an inverter in the motor drive to output power to a motor, control circuitry that controls operation of the driver circuitry, and a switched mode power supply that supplies electrical power to the driver circuitry, the control circuitry, or both. The switched mode power supply includes a primary coil, in which a primary controller stores electrical energy in the primary coil by selectively connecting the primary coil to a power source, and a secondary coil electrically isolated from the primary coil, in which the secondary coil outputs electrical power based at least in part on the electrical energy stored in the primary coil, in which a secondary controller controls the electrical power supplied to the driver circuitry, the control circuitry, or both by selectively connecting the secondary coil to a power output of the switched mode power supply.
Wind turbine having improved overvoltage protection
A wind turbine comprises a wind rotor, a generator driven by the wind rotor, a converter, wherein the generator and the converter generate electrical energy output via a connecting line with an inductively acting line reactor to a grid, and an overvoltage protection device comprising a plurality of different active modules, which are designed in such a way that they each effect, in different ways, a reduction in the voltage at the output of the converter, a switching matrix, which connects and disconnects the different active modules, and a selector comprising an overvoltage classifier, which is designed to select a predetermined stage depending on the overvoltage and to actuate the switching matrix in such a way that successive ones of the active modules are disconnected, wherein the overvoltage classifier defines a plurality of overvoltage ranges by virtue of in each case the selector setting different switching groups.
The invention relates to a method for automatic regulation of a system in which a plurality of parameters characteristic of the system are measured and in which at least one control parameter (u) is applied as a function of the measured parameters (y). The method includes choosing a nominal operating point of the system, and defining a nominal model (Mn) of the system at this nominal operating point. The method further includes determining a set of representative models ([Mk]) of the possible variations relative to the nominal model (Mn) and parameterizing the error of the nominal model (Mn) of the system by decomposition ([δik]) over all the errors between the models of the set of models ([Mk]) representative of the possible variations and the nominal model (Mn). The method also includes minimizing a given optimization criterion (J) by varying at least one of the previously obtained parameters ([δik]) of the error (Δ) relative to the nominal model (M) of the system. The invention also relates to the regulation device configured for applying the method.
Rotary drive mechanism and light dispersion system having the same
A rotary drive mechanism provides a mechanism for driving light dispersing element having a high wavelength-moving speed and a high wavelength-resolving power. The rotary drive mechanism includes a stepper motor as a rotary drive source; an update information setter for setting update information corresponding to the amount of change by which the motor should be rotated at a drive timing indicated by an input signal; a position information updater for holding position information which specifies the rotational position of the motor and for updating the position information based on the update information from the update information setter; a winding excitation state determiner for determining the amount or ratio of electric currents passed through the windings of the motor based on the updated position information provided from the position information updater; and a drive controller for controlling the electric currents based on a control signal from the winding excitation state determiner.
Motor control device, image forming apparatus, motor control method, and computer-readable storage medium
A motor control device includes a controller configured to output a control signal to a motor driver, the control signal instructing the motor driver to cut off energization of a motor when the control signal and a signal changing depending on driving the motor do not change for a first time period, determine whether the motor is in a position hold state in which control for holding the motor at a position is executed, and change the control signal in a second time period shorter than the first time period when the motor is in the position hold state.
Membrane-based nano-electromechanical systems device and methods to make and use same
Nano-electromechanical systems (NEMS) devices that utilize thin electrically conductive membranes, which can be, for example, graphene membranes. The membrane-based NEMS devices can be used as sensors, electrical relays, adjustable angle mirror devices, variable impedance devices, and devices performing other functions.
MEMS electrical contact systems and methods
A microelectromechanical systems (MEMS) device may be provided with one or more sintered electrical contacts. The MEMS device may be a MEMS actuator or a MEMS sensor. The sintered electrical contacts may be silver-paste metalized electrical contacts. The sintered electrical contacts may be formed by depositing a sintering material such as a metal paste, a metal preform, a metal ink, or a metal powder on a wafer of released MEMS devices and heating the wafer so that the deposited sintering material diffuses into a substrate of the device, thereby making electrical contact with the device. The deposited sintering material may break through an insulating layer on the substrate during the sintering process. The MEMS device may be a multiple degree of freedom actuator having first and second MEMS actuators that facilitate autofocus, zoom, and optical image stabilization for a camera.
Method and device for controlling an inverter
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), the inverter (10) being equipped with a plurality of controllable switches (S) and being designed to provide a polyphase electric current (IU, IV, IW), in particular to supply polyphase electric current (IU, IV, IW) to the electric machine (14). In said method, a desired current space vector (I1*) having a desired phase angle (alpha1) and a desired amplitude (I1) is predefined, and the inverter (10) is controlled in such a way that a plurality of different successive switching states (V0-V7) is established for the switches (S) in order to provide the electric current (IU, IV, IW) in the form of a current space vector (I*), the inverter (10) being controlled in such a way that the current space vector (I2*) is provided at a phase angle (alpha2) which differs from the desired phase angle (alpha1) in order to load the switches (S) according to a desired load value (m) for the switches (S).
Current-rectifying device, gate-boosting rectifier and method of permitting current to flow in one direction when driven by AC input voltage
A current-rectifying device includes a switching component and an impedance transformer. A conductance between first and second nodes of the switching component is controlled based on a voltage between high-impedance control and control-reference nodes of the switching component to determine an amount of current that is permitted to flow between the first and second nodes. The impedance transformer includes a positive input node electrically connected to one of the first and second nodes based on AC voltage swings, a negative input node, a positive output node electrically connected to the high-impedance control node, and a negative output node, and which senses an AC voltage swing derived from the AC input voltage with the positive input node and the negative input node, and provides an AC voltage swing between the high-impedance control and control-reference nodes that is greater than the AC voltage swing derived from the AC input voltage.
Power converter with a first string having diodes and a second string having switching units
A power converter is presented. The power converter includes at least one leg, the at least one leg includes a first string, where the first string includes a plurality of diodes, a first connecting node, and a second connecting node, and where the first string is operatively coupled across a first bus and a second bus. Furthermore, the at least one leg includes a second string operatively coupled to the first string via the first connecting node and the second connecting node, where the second string includes a plurality of switching units.
Radio frequency power source having precise power detector
A radio frequency (RF) power source having a precise power detector includes a RF signal generator, a RF power amplifying circuit, a power supply circuit, and a precise power detector. The precise power detector includes a voltage mutual inductor, a current mutual inductor, a precise detecting module, and a microcontroller integrated with an analog-digital (A/D) converter and a micro-processing unit, wherein the voltage mutual inductor and the current mutual inductor are respectively connected with the precise detecting module. The precise detecting module includes an add circuit, a subtraction circuit, a rectification circuit, and a filtering-amplifying circuit, wherein the add circuit and the subtraction circuit are respectively connected with the rectification circuit, the rectification circuit connects to the filtering-amplifying circuit, the filtering-amplifying circuit connects to the microcontroller integrated with the A/D converter and the micro-processing unit.
Hybrid high voltage direct current converter systems
A hybrid HVDC converter system includes at least one alternating current (AC) conduit, at least one transformer coupled to said at least one AC conduit, and at least one direct current (DC) conduit. The hybrid HVDC converter system also includes at least one capacitor commutated converter (CCC) configured to convert AC voltages and AC currents to a DC voltage and DC current. The at least one CCC is coupled to the at least one AC conduit through the at least one transformer. The hybrid HVDC converter system further includes at least one self-commutated converter (SCC) configured to convert AC voltages and AC currents to a regulated DC voltage and DC current. The at least one SCC includes at least one AC/DC stage and at least one DC/DC stage coupled to the at least one AC/DC stage.
Power module and distributed power supply apparatus having the same
There are a power module and a distributed power supply apparatus having the same. The power module includes: a power factor correction stage switching input power to correct a power factor thereof; a DC/DC conversion stage switching the power of which the power factor has been corrected by the power factor correction stage to convert the power into preset DC power; a control unit controlling the power factor correction stage and the DC/DC conversion stage to perform a power conversion operation in a preset powered mode and stopping the power conversion operation of the DC/DC conversion stage in a preset idle mode; and a reference voltage supply unit supplying a preset reference voltage to the DC/DC conversion stage in the idle mode.
LLC resonant converters
A resonant tank comprises a resonant inductor coupled to a switching network and a transformer, a resonant capacitor coupled to the switching network and the transformer, a first parallel inductor implemented as a magnetizing inductance and a second parallel inductor implement as a separate inductor, wherein a first inductance of the first parallel inductor is greater than a second inductance of the second parallel inductor.
Step-up step-down converter device
In a step-up step-down converter device, a diode is connected in parallel to a switch connecting a positive pole side and a negative pole side for stepping up and stepping down an input voltage, a diode is connected in parallel to a switch in a positive pole side of a closed circuit constructed between an input direct voltage and an output side load, and a control circuit detecting an output voltage generates 1st Phase PWM and 2nd Phase PWM obtained by logically adding and multiplying two difference values having phase difference in comparison with a triangle waveform signal which is 180 degrees different in phase from an error signal based on a difference value between the output voltage and a target reference voltage, and alternately turns on and off switches respectively by using 1st Phase PWM or 2nd Phase PWM at the step-down or step-down operation time.
Voltage regulator and voltage regulating method and chip using the same
A voltage regulator with an on/off control on the control terminal of the power transistor of the voltage regulator. The power transistor of the voltage regulator drives the conversion from a first voltage to a second voltage. The voltage regulator provides a power-saving switch at the control terminal of the power transistor, and includes a power-saving control circuit controlling the power-saving switch. When the power-saving switch is turned on, the control signal for the power transistor is conveyed into the control terminal of the power transistor. When the power-saving switch is turned off, the connection between the control signal for the power transistor and the control terminal of the power transistor broken.
Charge pump systems and methods
Charge pump systems and methods for the operation thereof can be configured for delivering charge to a primary circuit node. A sequential charging pattern of at least a subset of a series-connected plurality of charge-pump stages connected between a supply voltage node and the primary circuit node can be selectively initiated. For example, the sequential charging pattern can be initiated one time for every N cycles of a given clock signal, wherein N is a selectively adjustable integer value greater than or equal to 1.
Power conversion with external parameter detection
In accordance with an embodiment, a method includes driving an electronic switch in a switched-mode power converter in successive drive cycles, wherein driving the switch in each of the drive cycles comprises switching on the electronic for an on-period and subsequently switching off the electronic switch for an off-period, and measuring an operation parameter of the switched-mode power converter during the on-periods of the drive cycles, and storing the operation parameter measured in an on-period if a duration of the on-period met a predefined criteria. The method further includes forcing the on-period of a drive cycle to meet the predefined criteria if the operation parameter has not been stored for a predefined number of drive cycles, or for a pre-defined time duration.
Method for operating a power converter module and a device therefor
The present disclosure relates to methods, a system and a module for operating a power converter module. The power converter module comprises a voltage converter, an output circuitry, and a processing circuitry operable for controlling the voltage converter. One method comprises transmitting a first status signal representing operating parameters of the voltage converter to the processing circuitry. Determining whether the first status signal of the voltage converter is acceptable. The method also comprises transmitting a second status signal representing the operating parameters of the output circuitry to the processing circuitry. The method also comprises determining if the second status signal is above a predetermined threshold value. When the second status signal is above said predetermined threshold value and the status of the voltage converter is acceptable, entering a peak output mode operating the voltage converter at maximum power dissipation.
Audio resonance vibrator
An audio resonance vibrator includes a bracket, an elastic frame cooperatively with the bracket forming a housing having a receiving space, a magnetic circuit unit and a vibrating unit accommodated in the receiving space. The vibrating unit includes a vibrating plate and a coil assembly. The elastic frame further includes a bottom, a side wall extending vertically from the bottom, a supporting portion extending inwardly from the sidewall along a direction parallel to the bottom wall of the elastic frame, a slot formed between the bottom of the elastic frame for receiving the vibrating plate.
A linear vibrator includes a housing providing an internal space; a fixed part including a coil fixed to the housing to be disposed in the internal space; a vibrating part including a magnet disposed to face the coil and generating electromagnetic force by interacting with the coil; and an elastic member having one end fixed to the housing and the other end fixed to the vibrating part to elastically support the vibrating part, wherein the elastic member includes a first fixed part fixed to the housing, a second fixed part fixed to the vibrating part, and a deformable part connecting the first fixed part and the second fixed part to each other and elastically deformed, and the first fixed part includes a welded part being welded and coupled to the housing at the outside of a portion of the first fixed part to which the deformable part is connected.
Three-phase electric motor with a low detent torque
The disclosure relates to a three-phase electric motor that uses high magnetic energy permanent magnets and that has a low detent torque. The motor consists of a rotor with N pairs of poles and of a stator portion with teeth extending radially from an annular gear. The teeth have windings and the ends thereof comprise an arc of circle, the middle of which is located on a radius R1 and two sides defining an alpha angle, the vertex of which is located on a radius R2. The ratio R2/R1 is substantially equal to (1+/−0.26/N), and the alpha angle is between 110 and 135°.
Dynamoelectric machine assemblies having memory for use by external devices
A method is provided for storing data from an external device in a dynamoelectric machine assembly (i.e., an electric motor or generator). The dynamoelectric machine assembly includes a memory device and a processor for controlling operation of the dynamoelectric machine assembly in response to commands from an external device. The method includes receiving a command from the external device to store data in the memory device of the dynamoelectric machine assembly, and storing the data in the memory device in response to the command. Dynamoelectric machine assemblies, external devices and systems suitable for use in the provided method are also disclosed.
Motor having a sensor magnet and a structure to mount the same
A motor includes a rotation shaft having a first recessed portion. The first recess portion includes a bottom surface and a wall surface and a second recessed portion formed in the bottom surface. A rotor having a first magnet surrounds the rotation shaft and rotates together with the rotation shaft. A detector includes a second magnet mounted in the first recessed portion and detects rotation of the rotor.
Cooling system for an asynchronous rotor
A cage rotor for an synchronous machine includes a laminated rotor core, shorting bars arranged inside the laminated rotor core, shorting rings which are cast onto the laminated rotor core and which electrically interconnect the shorting bars to front sides of the laminated rotor core, and heat pipes introduced into the laminated rotor core in the axial direction such that they protrude onto the front side from the laminated rotor core and protrude into the shorting rings.
Transformer including a contactless signal connection
An improved transformer (130) for use in a power tool (100) is disclosed, where the power tool (100) comprises a stationary body (110) and a shaft (120) being movable in relation to said body (110). The transformer (130) comprises a stator (210) being fixed in relation to said body (110) and including one or more stator windings (216). The transformer (130) also comprises a rotor (220) being movable with said shaft and including one or more rotor windings (226). A magnetic field B is shared by said one or more stator and rotor windings (216, 226) and is used for creating a contactless signal connection between said body and at least one sensor of said shaft. According to the present invention, the stator (210) and the rotor (220) are arranged for forming a mutual geometrical relationship such that said contactless signal connection is provided for different positions in both an axial direction A and a rotational direction R of said shaft.FIG. 2c.
Method and apparatus for permanent magnet attachment in an electromechanical machine
An apparatus and method for the installation and removal of permanent magnets in a permanent magnet electromechanical machine, for example a wind turbine power unit generator. A magnet holder is mounted on a magnet carrying structure such as a rotor. Permanent magnets may be inserted into and removed from the magnet holder after the electromechanical machine is assembled. The magnet holders define passages for airflow between the inside top and magnet surface. In this manner, permanent magnets may be installed on the magnet carrying structure and provided with additional cooling via said passages. Further, the holders may be configured to secure the magnets by an interference fit, without using bolts or adhesives, to facilitate both assembly and removal for maintenance and repair.
Electric motor and production method for the electric motor
A plurality of lamination steel sheets that form a rotor core are stacked so that the lamination steel sheets are angularly shifted from each other, and a plurality of cavities are formed. Permanent magnets are molded and disposed in the cavities by injection molding. Each permanent magnet has a uniform plate thickness, and is bent with respect to an axial direction so as to have a triangular wave shape or an S shape. The permanent magnets are magnetized after being disposed in the cavities. The paired magnet pieces have poles of the same polarity, which face each other in the circumferential direction of a rotor, and each of the magnet pieces is magnetized in directions of normals to a surface of the magnet piece, the surface having a linear sectional shape.
An electric motor has a supplementary field magnet including a magnetization coil, a yoke serving as a magnetic path for magnetic flux produced by the magnetization coil, and a variable magnet. The supplementary field magnet is arranged on one axial end side of the rotor with a gap. A rotor core is provided with first projections projecting toward one axial end side of the electric motor from first magnetic pole portions, and second projections projecting toward the one axial end side from second magnetic pole portions and arranged radially inward of the first projections. The yoke includes an outer magnetic pole portion axially opposed to the first projections, and an inner magnetic pole portion axially opposed to the second projections such that an annular gap is formed between the inner magnetic pole portion and the outer magnetic pole portion.
Method and apparatus for secure energy delivery
A solar power conversion device has an embedded security module for creating trusted metering data in relation to power generated and for delivering it to a metering data output. The security module might for example be constructed as an integrated circuit card constructed using semiconductor chip fabrication and assembly techniques to be integral with the solar power conversion device. The device might comprise more than one solar cell mounted on a panel to form an array. There may further be provided a panel management module for collating data, for instance from multiple cells, prior to transmission over a network via the metering output. The panel management module might comprise for example a subscriber identity module and the metering data output may provide associated mobile telephone endpoint technology so that the metering data can be transmitted over an air interface.
An active switch for electrically connecting and disconnecting a power source such as an energy harvester to a charge storage device is disclosed. The active switch allows a minimal amount of reverse back current flow from the charge storage device to the power source having a high off-resistance.
Contactless charging system and contactless charging method
A contactless charging system of the disclosure includes a transmitting unit having a primary coil and a receiving unit having a secondary coil and which charges a battery electrically connected to the secondary coil by the electromagnetic induction generated between the primary coil and the secondary coil and which supplements the charging efficiency of the battery by varying a charging frequency used in the electromagnetic induction in proportion to the charging efficiency of the battery that varies according to the position of the secondary coil relative to the primary coil. In addition, a contactless charging method of the disclosure includes a step of detecting a charging frequency when a charging operation is performed by enabling the primary coil to get close to the secondary coil, and a step of outputting the charging efficiency of the battery acquired from the detected charging frequency such that a user may know the charging efficiency.
Wireless power transmitting unit, wireless power receiving unit, and control methods thereof
A control method of a wireless power receiving unit receiving charging power from a wireless power transmitting unit to perform wireless charging is provided. The control method includes receiving the charging power from the wireless power transmitting unit; detecting a change in a wireless charging environment; generating a message notifying of the change in the wireless charging environment; and transmitting the message notifying of the change in the wireless charging environment to the wireless power transmitting unit.
System and circuit for recharging large capacity batteries
A system and circuit for recharging a battery using an AC power source. A tuned circuit is created using a capacitor, an inductor, a rectifier and the battery being recharged. The rectifier and battery combine to create circuitry that is equivalent to an AC component. The equivalent circuitry is in series with the inductor. The capacitor is in parallel with the inductor and equivalent circuitry. The resultant circuit is tuned and can be operated at a resonance frequency. In operation, the tuned circuit provides a recharging current to the battery without the need for a transformer or current resistive elements. The result is a recharging system and circuit that is smaller, lighter and far more power efficient than prior art battery chargers.
Electronic device system and battery pack
There is provided an electronic device system including a plurality of battery packs, and an electronic device that is driven by a power source supplied from the battery packs. At least one battery pack of the plurality of battery packs outputs one or both of discharge information indicating whether the battery pack is dischargeable and charge information indicating whether the battery pack is chargeable, and the electronic device includes a control unit that performs one or both of control of discharge of the battery pack based on the discharge information and control of charge of the battery pack based on the charge information.
Charging method and charging device using the same
A charging method is provided for charging a battery unit. Firstly, a current change amount is set, and a predetermined time interval is determined according to characteristics of the battery unit. When the charging device is enabled, a charging current with a constant current value is provided to charge the battery unit. If a detected parameter of the battery unit reaches the threshold value, a constant charging voltage is provided to the battery unit. Moreover, the current value of the charging current is decreased by the current change amount. The number of times the current change amount is decreased is determined according to a predetermined counting value. That is, the current value of the charging current is stepwise decreased according to a time control mechanism.
Battery monitoring device and battery monitoring system
A battery monitoring system includes a clock input terminal, a data input terminal, a communication control circuit receiving the clock signal and the data signal from the clock input terminal and the data input terminal, respectively, a main power regulator controlled by the communication control circuit to supply and stop supplying main power, a charge circuit charged by the clock signal, and a sub power regulator started by a charge voltage of the charge circuit to supply a sub power to the communication control circuit. The communication control circuit controls the main power regulator with the data signal when the sub power is received from the sub power regulator.
Battery charger and charging terminal structure
The battery charger has a socket that is tubular, has a bottom, and accepts a rechargeable battery inserted to the socket. At least one side wall of the socket is an inclined surface that is inclined to the vertical when a bottom of the battery charger is placed on a horizontal surface. A charging terminal of the battery charger is disposed on this side wall.
Power feeding coil unit and wireless power transmission device
A power feeding coil unit includes a first power feeding coil and a second power feeding coil that generate a first magnetic flux, a first auxiliary coil that generates a second magnetic flux interlinking with the first power feeding coil, and a second auxiliary coil that generates a third magnetic flux interlinking with the second power feeding coil. An axial direction of the first auxiliary coil is nonparallel to an axial direction of the first power feeding coil, and an axial direction of the second auxiliary coil is nonparallel to an axial direction of the second power feeding coil. A direction of circulation of the second and third magnetic fluxes are opposite to a direction of circulation of the first magnetic flux.
Dynamic means for correcting for load imbalance and harmonic distortion
A method and apparatus are directed to a dynamic means for correcting imbalance and harmonic distortion in an electrical system. In one embodiment, the device includes an imbalance and harmonics measurement module configured to measure power parameters for determining imbalance and harmonics within the electrical three-phase system. Within this system a series of capacitors are configured to respond to measured demands reported and designated to correct for imbalance and harmonics distortion. The device is networked among various source load controllers are responsible for designating master and slave relationships within the closed system.
Circuit arrangements for electronically controlled DC grids
Switching and switchover devices for DC networks make it possible to realize, particularly in the event of faults, rapid and reliable switching processes in combination with good overvoltage damping and low energy losses during normal operation. The switching devices furthermore have short turn-off times and require no cooling since they have no on-state power losses during normal operation.
Power off device for cutting off supply of electric power through sensing of various arc and overload
Disclosed is a power off device which includes a micro arc detector for turning on a first switching element, based on a voltage induced in a high frequency choke coil by a high frequency pulse current caused by micro arc at a power line, a high current arc detector for outputting a high current arc detection current during turning-on of a second switching element made based on variation of a magnetic field generated at a coil, a delay unit for accumulatively charging the micro arc detection current or the high current arc detection current in a delay capacitor at a predetermined time constant, a power off unit for electrically disconnecting a load from the power line when an operating voltage is applied, and a first switch for connecting the operating voltage to the power off unit in response to the arc detection signal.
Electric wire holding device and wire harness
An electric wire holding device is composed of an electric wire holding member made of a resin to hold an electric wire, a cylindrical member made of an electrically conductive metal, including an inner surface to be mated around and receive at least a mating portion of the electric wire holding member, and a plurality of protrusions formed around an outer circumference of the at least mating portion of the electric wire holding member for the cylindrical member to be mated therearound. The plurality of protrusions are brought into contact with the inner surface of the cylindrical member.
Plug and socket pure gas insulated wall bushing for HVDC and UHV
The invention relates to the domains of power electronics and electric power transmission systems and concerns a new structure for wall bushings for High and Ultra High Voltage AC or DC applications. The wall bushing is remarkable as it can be assembled as a kit of two replaceable modules: a plug type module (20) and a socket type module (30) whose central conductors (15a,15b) are connected by a joint that allows their thermal expansion.
Cable assembly holding apparatus
The present invention concerns a cable assembly holding apparatus realized to hold a cable assembly between an upper level of an offshore facility and a lower level, comprising a set of open tubes, wherein an open tube comprises a longitudinal slit along its length, through which the cable assembly is introduced into the open tube. The invention further concerns an offshore facility comprising the cable assembly holding apparatus and a method of suspending the cable assembly from an upper level of an offshore facility.
Construction site hanging device and use thereof
A device that can be removable secured inside a metal stud at a construction site is described. The device can include a securement device such as a hook that can hang/support tools at the job site such as electrical cords. Installing the inexpensive hanging device at a desired elevation in a few seconds can improve safety at a construction site and can protect tools from damage due to placement on the floor or on an unstable perch.
Mounting layer for cooling structure
The invention describes a mounting layer (200) for mounting at least two light emitting semiconductor devices. The mounting layer (200) comprises corner protrusion (205) and edge protrusion (210) for aligning the mounting layer (200) to the cooling structure (100). The mounting layer (200) further comprises aligning holes (215) defining mounting areas (270) for mounting the light emitting semiconductor devices. The mounting layer (200) enables, for example, manufacturing of a μ-channel cooler with mounting areas (270) by means of one direct bonding process. Tolerances may thus be reduced. The invention further describes a cooling structure (100) like a μ-channel cooler comprising such a mounting layer (200) and a light emitting structure comprising such a cooling structure (100). Furthermore, methods of manufacturing such a mounting layer (200), cooling structure (100) and light emitting structure are described.
Amplifying optical fiber and optical amplifier
A plurality of cores 51 is disposed around the center axis of a first cladding 52 in a state in which an inter-core distance Λ of cores adjacent to each other is equal, a refractive index n1 of the core 51 is provided higher than a refractive index n2 of the first cladding 52, and the refractive index n2 of the first cladding 52 is provided higher than a refractive index n3 of a second cladding 53. Moreover, 5.8≦Λ/MFD(2λc/(λc+λop))≦8 is satisfied, where the inter-core distance is defined as Λ, a mode field diameter of the core is defined as MFD, a cutoff wavelength is defined as λc, and a wavelength of communication light incident on the core 51 is defined as λop.
Metal-insulator-metal waveguide for nano-lasers and optical amplifiers
A metal-insulator-metal (MIM) waveguide structure for nano-lasers or optical amplifiers is described. The structure comprises a substrate on which are supported first and second metal layers which form electrical contacts for the waveguide. A narrow ridge of low-band gap semiconductor core, which forms the optical gain material, is sandwiched between the two metal layers. The semiconductor core is surrounded on both sides by a low refractive index material which is also sandwiched between the two metal layers. First and second layers of thin higher-band gap doped semiconductor material are provided between the respective first and second metal layers and the low-band gap semiconductor core and the low refractive index material. The optical mode that propagates down this waveguide is localized in the center of the waveguide structure where the narrow ridge of low-band gap semiconductor core is.
Corrugated solder pre-form and method of use
A solder pre-form for soldering a coaxial cable to a connector body is provided with a plurality of flux grooves on a cable side and a connector side. The solder pre-form may also have a plurality of holes between the cable and connector sides. In a method of use, flux is applied to the flux grooves and the solder pre-form applied to encircle the outer conductor which is then inserted into the connector body and the solder pre-form melted to complete the solder interconnection. Where holes are present, flux may be applied to the connector side, passing through the holes also to the cable side.
Cable connector grouping apparatus
The embodiments relate to an apparatus allowing for the insertion and removal of multiple like and/or unlike connectors simultaneously without requiring permanent connector modification. The apparatus includes at least a first housing and a second housing. The first housing receives a first connector and the second housing receives a second connector. The first housing has a first variable aperture and the second housing has a second variable aperture. The first aperture is adjusted by a first retainer to hold the first connector in the first housing. The second aperture is adjusted by a second retainer to hold the second connector in the second housing. The first housing has a first exterior wall sized to receive and secure a second exterior wall of the second housing to form an assembly of the connectors.
Electrical connector with improved terminal set
An electrical connector with improved terminal set comprising having an insulation seat; a first and a second terminal sets joined respectively with the insulation seat, the first and the second terminal sets comprising having respectively an alignment terminal, multiple first terminals and multiple second terminals, each of the alignment terminal, the first and the second terminals having a contacting portion, a bending portion and a welding portion; each of the first and the second terminals being provided respectively on two sides of each of the alignment terminals, and the contacting portion and the bending portion for each of the first and the second terminals having a deflecting portion connected therebetween; and a metal shell covering the insulation seat, the first terminal set and the second terminal set.
Retractable USB connector with a swinging member pivotally disposed on an inner housing
A retractable USB connector includes an outer housing case, an inner housing case, and a positioning assembly. The outer housing case has an opening. The inner housing case includes a USB connector disposed at a first end of the inner housing case, a press portion disposed at a second end of the inner housing case, and the inner housing case disposed in the outer housing case. The positioning assembly is disposed between the outer housing case and the inner housing case. The positioning assembly includes a swinging member defining a positioning sliding-track and a guiding column, disposed in the positioning sliding-track. When the guiding column is located at a positioning area of the positioning sliding-track, the positioning assembly fixes the relative position of the outer housing case with respect to the inner housing case, and the USB connector is protruded from the opening of the outer housing case.
Device for connecting battery module electrode terminal and terminal
Provided is an apparatus for connecting between an electrode terminal of a battery module and a terminal capable of electrically connecting the electrode terminal and the terminal to each other by being press-fitted onto an outer side of the electrode terminal protruding outwardly of the battery module. The apparatus for connecting between an electrode terminal of a battery module and a terminal includes a socket terminal inserted and closely adhered onto the outer side of the electrode terminal and a socket coupled and closely adhered onto an outer side of the socket terminal and coupled to the terminal, such that the electrode terminal and the terminal are electrically connected to each other by the socket terminal and the socket.
High speed electrical connector
An electrical connector assembly includes a first electrical connector and a second electrical connector. Each electrical connector can include a plurality of electrical ground shields that at least partially surround respective differential signal pairs. The electrical connectors can be constructed so as to reduce cross-talk between adjacent signal pairs. For example, the first electrical connector can include a connector housing defining an end that is configured to be mounted to a substrate. The ground shields can define a body that extends through the connector housing, such that the ground shields extend through the end so as to be disposed between the end and the substrate when the connector is mounted to the substrate.
Electrical connector and communication device
The disclosure provides an electrical connector and a communication device. The electrical connector includes an insulator, on which at least one docking socket and at least one module socket are provided; a housing provided outside the insulator; a plug-in module provided on the insulator; and a signal display unit, which comprises a signal display circuit board, at least one SMD (surface-mounted-device) LED electrically coupled to the signal display circuit board, and at least two connection terminals electrically coupled to the signal display circuit board used to transmit signal of the signal display unit.
Electrical connector having an integrated impedance equalisation element
The present invention relates to an electrical connector having an electrically insulating contact carrier and at least one electrically conductive contact element which is provided with an impedance equalization element. In particular, the present invention relates to an electrical connector which has defined impedance properties, both with and without shielding. In order to adjust the impedance of the connector (100) in at least a portion of the region in which the at least one contact element (104) is arranged, at least one impedance equalization element (112) is provided on the contact carrier (102) and integrated therewith, wherein the impedance equalization element (112) has an electrically conductive, substantially planar structure, which is arranged with respect to the at least one contact element (104) with a predetermined spacing which is dependent on the impedance value to be adjusted.
High power rechargeable flashlight with two way universal serial BUS
A bidirectional universal serial bus (USB) adapter port that can be integrated into a rechargeable battery operated flashlight or other rechargeable battery operated device. The invention utilizes a micro-controller to convert a single USB adapter port into either an input device or an output device. A high power rechargeable flashlight with bidirectional USB adapter port is capable of recharging external electronic devices, as well as recharging itself through the same port.
Energy receiving port device of vehicle
Technical problem to be solved is to provide an energy receiving port device 3 which makes movement of a supply gun 10 to a removing direction during energy supplying impossible only by a lid 5 for opening and closing a receiving port part 4, and improve a situation in which the receiving port part 5 is widely opened during the supplying. The lid 5 for opening and closing the receiving port part 4 comprises a first lid 5a and a second lid 5b that form a plane lid when the lids are closed. An opening and closing device 6a of the first lid 5a and an opening and closing device 6b of the second lid 5b are provided. The supply gun 10 connected to the receiving port 8 is pinched by the first lid 5a and the second lid 5b to make a movement in a removing direction of the supply gun 10 impossible.
Card edge connector with a reliable locking piece
A card edge connector for receiving a memory card includes an insulative housing with a central slot for receiving the memory card and a plurality of terminal contacts retained in a plurality of grooves defined by the insulative housing and a retainer positioned on the housing. The retainer defines a body portion mounted on the housing, a locking portion extending into the housing from the body portion and a elastic engaging portion extending downwardly into the central slot from inner side of the body portion for steadily locking the memory card.
Connector with rubber plug having insertion hole to receive part of mating housing that deforms plug toward wire
A connector is provided with a first housing including a plurality of cavities and a passage hole, a rubber plug having a plurality of sealing holes through which wires are insertable in a liquid tight manner is mounted in the first housing. A second housing is connected to the first housing and includes a wrench preventing portion configured to regulate the connection of the second housing in an inclined posture to the first housing by being inserted into the passage hole at the time of the connection. The rubber plug includes an insertion hole which is expanded by the insertion of a tip part of the wrench preventing portion inserted through the passage hole at the time of the connection and applies a compression force to the sealing holes in a direction to be in closer contact with the wires when being expanded.
Connector with lever
A connector assembly has first and second connectors (10, 40). The first connector (10) has a housing (11) with a terminal accommodating portion (13) for accommodating terminal fittings (12) and a lever accommodating portion (14). The second connector (40) has a receptacle (44) for receiving the first connector (10). A lever (30) is provided in the lever accommodating portion (14) and can be operated to connect or separate the connectors (10, 40). Guide grooves (15) are provided between the terminal accommodating portion (13) and the lever accommodating portion (14) and guide ribs (48) project on an inner peripheral surface of the receptacle (44). The guide ribs (48) engage in the guide grooves (15) to prevent the connectors (10, 40) from inclining during a connecting operation.
Connector with a slider releasably locked to a housing by a resilient stopper having two points of support for resilient deflection
In the process of connecting first and second housings (10, 90), a slider (60) is kept at an advanced position by locking a resilient stopper (76) and a stopper receiving portion (25), and springs (80) accumulate spring forces. The resilient stopper (76) and the stopper receiving portion (25) are released as the housings (10, 90) are connected and the slider (60) is moved to a retracted position while being biased by the springs (80). The resilient stopper (76) projects from a base end (52) to a tip (51) and has a first support (54) at the base end (52) to function as a support of deflection when starting deflection in the process of connecting the first and second housings (10, 90) and a second support (58) closer to the tip (51) than the base end (52) to function as a support of deflection following the first support (54).
Latch assemblies for connector systems
A connector system includes a cartridge having a cavity configured to hold one or more connector modules therein. The cartridge has a port opening to the cavity. The cartridge receiving the one or more connector modules through the port. The connector system includes a release mechanism housed in the cavity. The release mechanism configured to eject the one or more connector modules when actuated. The connector system includes a release button exposed beyond the cartridge and operably coupled to the release mechanism. The release button being pressed to an actuated position to activate the release mechanism. The release button is configured to be in a locked position to avoid inadvertent activation thereof.
Electrical connector with improved electrical contacts
An electrical connector includes an insulative housing and a number of electrical contacts. The insulative housing has a top wall, a bottom wall and a number of side walls. The side walls form a number of passageways extending through the insulative housing. The electrical contacts are received in the passageways and each includes a contacting portion, a tail portion and a main portion connecting with the contacting portion and the tail portion. The main portion is provided with a first fastening means for engaging with the side wall and a second fastening means for engaging with the top wall so as to secure the electrical contacts to the insulative housing.
Electrical connector assembly with metallic plate
The present invention relates to an electrical connector assembly comprising: an insulative housing; a metallic plate formed in the insulative housing; a first terminal module formed on a top surface of the insulative housing; a second terminal module formed on a bottom surface of the insulative housing; and a metallic shell assembled to and formed around the insulative housing.
Structures for edge-to-edge coupling with flexible circuitry
Techniques and mechanisms for coupling a flexible circuit device to another device. In an embodiment, a substrate includes a first side and a second side opposite the first side, where first contacts of a hardware interface are disposed on the first side, and second contacts of the hardware interface are disposed on the second side. First interconnects and second interconnects variously extend in the substrate, where the first contacts are coupled via the first side each to a respective one of the first interconnects, and the second contacts are coupled via the second side each to a respective one of the second interconnects. In another embodiment, the substrate is one of a flexible substrate and a printed circuit board substrate, where the first interface is configured to couple the substrate, in an edge-to-edge configuration, with the other of a flexible substrate and a printed circuit board substrate.
Elastomeric electrical connector structure joining two hardware planes at right angles to each other
Disclosed aspects relate to an elastomeric electrical connector structure. A first physical hardware plane has a first group of electrical contacts to establish a first portion of a set of electrical connections. A second physical hardware plane has a second group of electrical contacts to establish a second portion of the set of electrical connections. The elastomeric electrical connector structure is to join the first and second portions of the set of electrical connections. The elastomeric electrical connector structure includes a first state having a first distance between the first and second physical hardware planes, and a second state having a second distance between the first and second physical hardware planes. The first distance exceeds the second distance.
Mechanical spacer with non-spring electrical connections for a multiple printed circuit board assembly
A spacer and electrical connector assembly for printed circuit boards includes a first member to be placed between two of the printed circuit boards to provide a required spacing between the printed circuit boards. The assembly also includes at least one second member disposed adjacent to the first member, the second member extending along a length of the first member and at least partially bracketing an upper surface and a lower surface of the first member, thereby providing an electrical connection between the printed circuit boards. A plurality of contact portions that respectively receive the second member may be disposed on at least one of the upper and lower surfaces.
Insulation displacement contact and connector
An insulation displacement connection contact has a base plate extending along a longitudinal axis and having a mating end and an opposite terminating end. The base plate has a contacting portion positioned proximate to the mating end, a plate-like wire supporting portion integrally extending outward from the base plate at the terminating end, and an insulation displacement connection member positioned between the contacting portion and the wire supporting portion, proximate to the terminating end.
Discrete phased electromagnetic reflector based on two-state elements
An electromagnetic reflector for reflecting an electromagnetic signal is provided based on meta-surface phase control using photo-capacitive materials, varactors or other tuning means. The shape of the metamaterial unit cell enhances the resonance and phase shift. The reflector includes first and second cells having respective first and second phase states, along with a switch for selecting between the first and second cells.
Wide angle planar antenna assembly
Exemplary embodiments, the present disclosure are related to an antenna system including radiating elements and reflectors. The reflectors can be disposed with respect to the radiating elements to reflect radiation from the radiating elements to generate a coverage area that exceeds the coverage area generated by the radiating elements without the reflectors.
Multi-input multi-output antenna with electromagnetic band-gap structure
A MIMO (Multi-Input Multi-Output) antenna includes a system ground plane, an antenna ground plane, an EBG (Electromagnetic Band-Gap) structure, a first antenna element, and a second antenna element. The antenna ground plane overlaps a first portion of the system ground plane. The EBG structure is formed on a second portion of the system ground plane. The first antenna element and the second antenna element are both disposed in proximity to the EBG structure, but substantially extend in different directions.
Compact antenna structure for satellite telecommunications
An antenna structure for telecommunications is provided. The antenna structure may be particularly for satellite telecommunications. The antenna structure includes an emitting surface including at least one set of a plurality of elementary emitting antennas forming an array, at least one elementary emitting antenna including two generally circular patches that are at least partially superimposed, the at least one elementary emitting antenna being dimensioned to emit at least one electromagnetic wave having a frequency between 27 gigahertz and 31 GHz.
An antenna according to an embodiment includes a substrate; a radiator; a ground plane spaced apart from the radiator; a feeding pin for feeding an RF signal; a first branch reactance at one side of the feeding pin, the first branch reactance including one end connected to the substrate and an opposite end connected to the ground plane; and a second branch reactance at an opposite end of the feeding pin, the second branch reactance including one end connected to the substrate and an opposite end connected to the ground plane.
Antenna apparatus, antenna device and signal transmitting apparatus
Embodiments of the present invention provide an antenna apparatus. The antenna apparatus includes multiple antennas, a switching unit, a grounding layer, connecting lines and a dielectric substrate. The antennas are configured to transmit and receive electromagnetic waves. The connecting lines are configured to connect the switching unit and the antennas. The switching unit is configured to selectively feed signals to the antennas through the connecting lines. The grounding layer serves as a reference of zero potential, and by setting the shape or size of the grounding layer and the distance from the grounding layer to the antennas, the grounding layer is further configured to restrain a transmitting direction of the electromagnetic waves transmitted by the antennas. The dielectric substrate is configured to allow the grounding layer to be printed thereon, and the dielectric substrate is further configured to allow the antennas, the switching unit and the connecting lines.
Antenna coupler mechanism
Systems and methods are provided for an antenna coupler mechanism. The antenna coupler mechanism includes a first tuning leg, a second tuning leg, and a bottom plate. The first tuning leg includes a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element. The second tuning leg includes a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg. In addition, the bottom plate includes a third inductive circuit element connected electrically in parallel with the first tuning leg and connected electrically in parallel with the second tuning leg, the bottom plate being configured to couple energy into a nearby structure.
Antenna mounting assembly for a vehicle with a sloped body panel
Embodiments are provided of antenna mounting assemblies and vehicles that include such assemblies. In one aspect, an antenna mounting base for supporting a vehicle antenna with respect to a vehicle body panel that defines a panel aperture comprises: an antenna mounting portion; a flange extending from a surface of the antenna mounting base; and at least one tab defining a recess with the flange, the recess being sized and configured to mateably engage at least a portion of the body panel that borders the panel aperture.
Dielectric waveguide (DWG) filter having curved first and second DWG branches where the first branch forms a delay line that rejoins the second branch
Signals on a dielectric waveguide are filtered to pass or block selected frequencies. A combined signal is received in the DWG, wherein the combined signal comprises at least a first frequency signal with a first wavelength and a second frequency signal with a second wavelength. The combined signal is split into a first portion and a second portion. The first portion of the combined signal is delayed by an amount of delay time to form a delayed first portion. The delayed first portion is joined with the received combined signal to form a filtered signal such that the first frequency signal is enhanced by constructive interference while the second frequency signal is diminished by destructive interference. A portion of the filtered signal is provided to a receiver, whereby the amplitude of the second frequency signal is attenuated in the filtered signal.
A battery module of includes a plurality of cells, a cooling plate, and a channel part formed in the cooling plate. The channel part includes a first channel part extending in an arrangement direction of the plurality of cells, a second channel part extending in parallel to the first channel part along the arrangement direction with a first partition part interposed between the first channel part and the second channel part, and a first communication part which brings one end of the first channel part of the arrangement direction and one end of the second channel part of the arrangement direction into communication with each other, and which turns a flowing direction of coolant in the first channel part and the second channel part.
Battery thermal management system for electrified vehicle
A battery thermal management system according to an exemplary aspect of the present disclosure includes, among other things, a heat spreader, a coolant channel attached to the heat spreader and a supply manifold fluidly connected with the coolant channel and configured to supply a heat transfer medium to the coolant channel. A return manifold is fluidly connected with the coolant channel and configured to expel the heat transfer medium from the coolant channel.
The present disclosure provides a battery module comprising: a battery pack having at least one single battery and at least one power splicer; a sampling module having a flexible circuit board, wherein at least one voltage sampling terminal and temperature sensor are disposed on the flexible circuit board, the temperature sensor being connected with the power splicer, the voltage sampling terminal being electrically connected with the power splicer; and a shell to enclose the battery pack and the sampling module.
Energy store and method of charging or discharging an energy store
An energy store is provided having a first electrode, a second electrode, an electrolyte in between, a first redox pair having a first oxidation reactant and a first oxidation product, and a housing, wherein a fluidic redox pair is present in the housing and comprises a fluidic oxidation reactant and a fluidic oxidation product, wherein during the discharge of the energy store, the fluidic oxidation product is reduced, and wherein during the charging of the energy store, the fluidic oxidation reactant is oxidized, wherein the fluidic redox pair in the housing is gaseous, and a pump or a compressor is adapted such that the fluidic redox pair within the housing is held at a pressure which is above the ambient pressure outside the housing. A method for charging or discharging an energy store is also provided.
Nonaqueous electrolytic solution and nonaqueous-electrolyte secondary battery
An object of the invention is to provide a nonaqueous electrolytic solution which is capable of bringing about a nonaqueous-electrolyte secondary battery improved in initial charge capacity, input/output characteristics, and impedance characteristics. The invention relates to a nonaqueous electrolytic solution which comprises: a nonaqueous solvent; LiPF6; and a specific fluorosulfonic acid salt, and to a nonaqueous-electrolyte secondary battery containing the nonaqueous electrolytic solution.
Doped scandia stabilized zirconia electrolyte compositions
A solid oxide fuel cell (SOFC) electrolyte composition includes zirconia stabilized with scandia, and at least one of magnesia, zinc oxide, indium oxide, and gallium oxide, and optionally ceria in addition to the oxides above.
An exemplary embodiment provides a rechargeable battery maintaining a bent state of a case by minimizing a deformation of the case of the bent state. A rechargeable battery according to an exemplary embodiment includes an electrode assembly; a case receiving the electrode assembly; a cap plate sealing an opening of the case; and an electrode terminal installed to the cap plate and electrically connected to the electrode assembly, wherein the case includes a first curved surface portion bent toward a center of the electrode assembly and a second curved surface portion bent to be far from the center, and a reinforcing member adhered to the first curved surface portion.
Utilization-based fuel cell monitoring and control
Fuel cell systems and methods for controlling the operation of components of the fuel cell system, which may include a fuel source and a fuel cell stack. In some examples, a fuel source is adapted to provide supply fuel to a fuel cell stack at a supply pressure. The fuel cell stack produces electric current at a production amperage. In some examples, a control system is adapted to control operation of the fuel cell stack based on a pressure detected at the fuel cell stack. In some examples, a target production amperage is determined based on the detected pressure, such that when electric current is produced at the target production amperage for the detected pressure, the fuel cell stack consumes a predetermined proportion of the supply fuel.
A fuel cell including a stack in which a plurality of cells are stacked includes an air manifold and a hydrogen manifold on a first side and a second side of the stack, respectively, a jet array including a tubular body inserted in the air manifold or the hydrogen manifold and a plurality of orifices formed in the tubular body and arranged in a longitudinal direction of the tubular body, a pump or a valve for supplying air or hydrogen to the jet array; and a controller that operates the pump or the valve.
Fuel cell module
A fuel cell module includes a fuel cell stack, a partial oxidation reformer, and a heat exchanger. The heat exchanger is provided on one side of the fuel cell stack, and the partial oxidation reformer and the exhaust gas combustor are provided on the other side of the fuel cell stack. The partial oxidation reformer is provided around the exhaust gas combustor. The fuel cell module includes a first thermoelectric converter and a second thermoelectric converter for performing thermoelectric conversion based on a temperature difference between the combustion gas and the oxygen-containing gas.
Fuel cell system
A fuel cell system including a fuel cell; a cathode air heat exchanger configured to perform heat exchange between a cathode exhaust gas and the air to be supplied to the cathode to transfer a part of heat energy of the cathode exhaust gas to the air; a desulfurization unit configured to remove a sulfur component from a raw material supplied to the desulfurization unit; and a reformer configured to generate a reformed gas which is the fuel from steam and the raw material from which the sulfur component has been removed by the desulfurization unit; and the cathode exhaust gas which has lost a part of the heat energy by the heat exchange in at least the cathode air heat exchanger, is supplied to the desulfurization unit, to heat the desulfurization unit by the heat energy of the cathode exhaust gas.
Fuel cell separator, method for manufacturing the fuel cell separator, and fuel cell
A fuel cell separator is provided with an opening that functions as a manifold. A resin coating is formed within the peripheral area of the fuel cell separator, in a state where the power generation area is masked with a masking jig. Subsequently, the masking jig is removed, and a conductive coating is formed within the power generation area of the fuel cell separator, the peripheral area of which has been masked by the resin coating.
Cathode catalysts for fuel cells
A method of preparation of metal-chalcogen-nitrogen-carbon (M-Ch-N—C) catalytic material utilizing a sacrificial support approach and using inexpensive and readily available precursors is described. Furthermore, the catalytic materials synthesized using the disclosed methods include multiple types of active sites.
Solid oxide fuel cell
Disclosed is a durable solid oxide fuel cell that is less likely to have a problem of a conventional solid oxide fuel cell that an air electrode containing a peroviskite oxide, when exposed to a reducing atmosphere, is separated at the stop of operation, especially shutdown. The solid oxide fuel cell includes an air electrode that is obtained by firing a compact containing a perovskite oxide and sulfur element. The content of the sulfur element in the air electrode as fresh after firing or before the start of power generation is in the range of 50 ppm to 3,000 ppm. The separation of the air electrode is effectively suppressed at the shutdown operation.
Cathode material with oxygen vacancy and manufacturing process thereof
A cathode material with oxygen vacancy is provided. The cathode material includes a lithium metal phosphate compound having a general formula LiMPO4−z, wherein M represents at least one of a first-row transition metal, and 0.001≦z≦0.05.
Method for producing anode active material for secondary battery, anode active material for secondary battery, method for producing anode for secondary battery, anode for secondary battery, and secondary battery
This method for producing an anode active material for a secondary battery is provided with a step for forming titanium dioxide by means of hydrolysis by adding a titanium-containing compound to an acidic aqueous solution, and furthermore, by means of adding a compound containing an alkaline earth metal and a condensed phosphate, the surface of the titanium dioxide is covered by the condensed phosphate containing the alkaline earth metal in a manner so that the amount of elemental phosphorus atoms and the amount of alkaline earth metal are each in the range of 0.1 to 10 mass % with respect to the mass of titanium dioxide, thus synthesizing the anode active material (12).
Cathode active material comprising lithium manganese-based oxide and non-aqueous electrolyte secondary battery based upon the same
Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure represented by Formula 1 below and high lithium ion diffusivity since (440) planes are predominantly formed in a crystal structure thereof. Li1+xMyMn2-x-yO4-zQz (1) In Formula 1, 0≦x≦0.3, 0≦y≦1, and 0≦z≦1, M includes at least one element selected from the group consisting of Al, Mg, Ni, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Ti, and Bi, and Q includes at least one element selected from the group consisting of N, F, S, and Cl.
Nonaqueous electrolyte battery, battery pack and vehicle
A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li+). The negative electrode has a porous structure. A pore diameter distribution of the negative electrode as determined by a mercury porosimetry, which includes a first peak having a mode diameter of 0.01 to 0.2 μm, and a second peak having a mode diameter of 0.003 to 0.02 μm. A volume of pores having a diameter of 0.01 to 0.2 μm as determined by the mercury porosimetry is 0.05 to 0.5 mL per gram of the negative electrode excluding the weight of the current collector. A volume of pores having a diameter of 0.003 to 0.02 μm as determined by the mercury porosimetry is 0.0001 to 0.02 mL per gram of the negative electrode excluding the weight of the current collector.
Separator for battery
Disclosed is a separator for a battery. The separator includes a porous film, a first roller, and a second roller. The first and second rollers are associated with both ends of a porous film. The first roller is wound with a portion of the porous film and is configured to rotate to unroll the film. The second roller is configured to rotate in an opposite direction to a rotary direction of the first roller to roll up the film.