Systems, methods and apparatus for planar expulsion shields
A superconducting magnetic shielding system includes first and second planar superconducting shields respectively positioned above and below an environment to be shielded. The shields are each thermally coupled to a cold source at a respective thermalizing point. When the shields are cooled into the superconducting regime, they passively block magnetic fields via the Meissner Effect. Each shield may also be shaped to produce a smooth temperature gradient extending away from its thermalizing point; thus, as the shields are cooled, magnetic fields may be expelled away from the thermalizing point and, consequently, away from the environment to be shielded. A heater may also be provided opposite the thermalizing points to improve control of the temperature gradient.
Electronic devices and electronic circuits and methods for manufacturing the same
An electronic device (100) includes a device housing (102), a circuit assembly (306) carried by the device housing (102), an electronic component (318) carried by the device housing (102), and a shield (312) carried by the device housing (102). The shield (312) is adapted to impede electromagnetic emissions, and the shield (312) operatively electrically couples the circuit assembly (306) to the electronic component (318).
Electronic component box for vehicle
Provided is an electronic component box for a vehicle. The electronic component box for a vehicle, the electronic component box including a housing formed of a plastic material and manufactured through plastic injection molding, the housing having an opened top surface, a top cover formed of a plastic material and manufactured through the plastic injection molding, the top cover covering the opened top surface of the housing, a base cover seated on a bottom surface of the housing, an electronic component set seated on a top surface of the base cover, and an inner cover accommodated within the housing, the inner cover covering the electronic component set to shield an electromagnetic wave emitted from the electronic component set.
Comb-structured shielding layer and wireless charging transmitter thereof
A comb-structured shielding layer and a wireless charging transmitter thereof are provided. The wireless charging module is connected to a power source, has at least one wireless charging coil and at least one comb-structured shielding layer, and is configured to convert alternative current power from the power source to H-field electromagnetic radiations, and wirelessly charges an electronic device. The comb-structured shielding layer is disposed between the wireless charging module and the target electronic device and configured to allow the H-field electromagnetic radiations pass through. The comb-structured shielding layer includes a first area and a second area. The first area is electrically connected to a reference electric potential. The second area is electrically connected to the reference electric potential through the first area, and is configured to shield the E-field electromagnetic radiations but allow the H-field electromagnetic radiations pass through the comb-structured shielding layer.
Methods for managing fans within information handling systems
A method for managing a fan system in an information handling system (IHS) is disclosed. The method includes providing the fan system comprising a first fan and at least one subsequent fan, wherein the first fan is associated with a first fan speed, the at least one subsequent fan is associated with the at least one subsequent fan speed and the fan system is associated with a system fan speed. The method also includes generating a system fan speed request, adjusting the first fan speed to avoid a critical range when the system fan speed request falls within the critical range, and adjusting the system fan speed to meet the system fan speed request.
Display apparatus and method of manufacturing the same
A display apparatus includes a display module, a case and a combining member. The display module includes a display panel and a lower receiving container having a first bottom portion through which a hole is formed. The lower receiving container receives the display panel. The case receives the display module and includes a second bottom portion through which a guide rail hole is formed. The case covers at least a portion of the first bottom portion of the lower receiving container. The combining member is inserted into the hole and the guide rail hole to combine the first bottom portion of the lower receiving container and the second bottom portion of the case, and slides in the guide rail hole in a direction substantially parallel with a plane of the second bottom portion. As a result, a bezel and a thickness of the display apparatus can be decreased.
Spring loaded lid
A method and apparatus for loading IC's into a socket lid is disclosed. The IC is first loaded into a lid. Once the IC has been loaded into the lid, the lid is rotated into a closed position on the frame. The lid is then locked in place on the frame by rotating at least one locking lever into a closed lacked position, where the locking lever forces the lid down against the socket contacts against a spring.
Electrical device, control method, and program
An acceleration sensor detects an acceleration. A timer measures elapsed time. A calculation means calculates jerk J of a remote controller on the basis of an acceleration detected by the acceleration sensor. A factor determination means determines whether a user is holding the remote controller in his/her hand on the basis of the change of the jerk J that is obtained from an index value calculated by the calculation means and an amount of time measured by the timer. A sleep control means turns on display of a display if the factor determination means determines that the user is holding the remote controller in his/her hand.
According to one embodiment, an electronic device includes: a first housing; a second housing; and a hinge. The first housing is substantially flat, substantially rectangular and substantially parallepiped shaped, and includes a display comprising a screen. The second housing is substantially flat, substantially rectangular and substantially parallelepiped shape, and includes a keyboard. The hinge rotatably connects a first corner of the first housing and a second corner of the second housing with each other. The electronic device is capable of taking at least: a first configuration in which the first housing covers the keyboard and in which the first housing and the second housing are overlapped in a thickness direction; and a second configuration in which a shorter side of the first housing is aligned with a longer side of the second housing and in which the first housing and the second housing intersect each other.
Method for manufacturing component built-in substrate
A method for manufacturing a component built-in substrate is disclosed, which can attain high densities of components and wirings. The method includes: mounting electronic components on a predetermined member with its surface being provided with a first layer enabled to be exfoliated; stacking a second layer to fill the electronic components further on the first layer; exfoliating and removing the predetermined member from a stacked body configured by stacking the second layer on the first layer; and forming a via to penetrate the first layer and conduct to the electronic components from a surface of the surfaces of the stacked body, from which the predetermined member is removed.
Electromagnetic interference shielding structures
Electrical components are mounted on a printed circuit in an electronic device housing. Shielding can structures may include a sheet metal shield can layer with a conductive gasket. The printed circuit may have an opening. A screw passes through the opening in the printed circuit and openings in the conductive gasket and sheet metal shield can layer to secure the shielding can structures to the housing. When secured, a lip in the gasket lies between the printed circuit substrate and the housing. The gasket may be formed from conductive elastomeric material. A shield can lid and a flexible printed circuit may be embedded within conductive elastomeric material that provides a thermal conduction path to dissipate heat from electrical components under the lid. Shield can members that are located on opposing sides of a bend in a flexible printed circuit substrate may be coupled by a conductive elastomeric bridging structure.
Methods and system for controlled laser-driven explosive bonding
A technique for bonding two dissimilar materials includes positioning a second material over a first material at an oblique angle and applying a tamping layer over the second martial. A laser beam is directed at the second material that generates a plasma at the location of impact on the second material. The plasma generates pressure that accelerates a portion of the second material to a very high velocity and towards the first material. The second material impacts the first material causing bonding of the two materials.
Conductor pattern forming method
There is provided a method for forming a conductor pattern on a substrate in such a manner that the conductor pattern has a lead portion extending in a longitudinal direction thereof, a first conductor portion located at one end of the lead portion and a second conductor portion located at the other end of the lead portion, including a printing step of printing at least the lead portion by ink-jet printing process, i.e., scanning a print head while discharging liquid ink drops from nozzles of the prink head, wherein the scanning of the print head is performed in the longitudinal direction of the conductor pattern during the printing step; and wherein the length of each of the first and second conductor portions in a direction perpendicular to the longitudinal direction of the conductor pattern is larger than the diameter of the ink drop.
Apparatus for anisotropic focusing
A substantially planar assembly for depositing material. The assembly comprises plates which, when assembled, define at least one aerosol channel, a sheath gas plenum, and a nozzle. These components are preferably anisotropic, and preferably rectangular. The aerosol channel may be divided further to improve uniformity of aerosol flow.
Target supply apparatus, control system, control apparatus and control circuit thereof
A target supply apparatus includes a tank for storing a liquid target material, a nozzle for outputting the liquid target material in the tank, and a gas supply source for supplying gas into the tank, and controls a gas pressure inside the tank with a pressure of the gas supplied from the gas supply source which is provided with a pressure regulator. The target supply apparatus also includes a pressure-decrease gas passage of which one end is connected to the tank and the other end forms an exhaust port, a pressure-decrease valve provided on the pressure-decrease gas passage, and a controller for controlling open/close of the pressure-decrease valve. The controller, when the target material is caused not to output from the nozzle, opens the pressure-decrease valve and decreases the pressure inside the tank.
Control method for target supply device, and target supply device
A control method for a target supply device includes melting a target material by heating the target material within a target generator using a heating unit, pushing out the target material from a nozzle hole in a nozzle by pressurizing the interior of the target generator using a pressure control unit, determining whether or not the size of an adhering area of the target material that forms when the target material is pushed out from the nozzle hole and adheres to a leading end of the nozzle has reached a set size that covers the entire nozzle hole, stopping the pressurization of the interior of the target generator by the pressure control unit when the size of the adhering area has reached the set size, and hardening the target material in the target generator and the adhering area by stopping the heating of the target material by the heating unit.
Power apparatus for X-ray tube, power system with the power apparatus, and method of operating the same
A power system with a power apparatus for an X-ray tube is disclosed. The power system includes an X-ray tube and a power apparatus for the X-ray tube. The X-ray tube has a cathode and an anode. The power apparatus includes a first power conversion unit, a second power conversion unit, and a power switch unit. The first power conversion unit produces a positive voltage and a driving voltage and the second conversion unit produces a negative. When the power switch unit is turned off by the driving voltage, the power apparatus outputs the negative voltage to suppress electron flow energy generated from the cathode of the X-ray tube, whereas the power apparatus outputs the positive voltage to provide electron flow energy to the anode of the X-ray tube when the power switch unit is turned on by the driving voltage, thus producing X-ray.
A relamping circuit topology to provide a lamping signal in ballast circuits used to power heated filament gas discharge lamps. The relamping circuit includes a low level DC power source, a differential capacitance and a switching device coupled to the differential capacitance. The differential capacitance is configured to produce a relamping signal. The relamping circuit topology also includes an electric current path configured to direct a flow of direct current from the low level DC power supply through a filament of the gas discharge lamp, and to the differential capacitance such that breaking and restoring the electric current path activates the relamping signal.
Discharge lamp ballast, lighting unit, and vehicle
A discharge lamp ballast includes a DC-DC converter circuit configured to convert a voltage of a DC power supply by a switching operation of a switching element based on a PWM signal and to output a DC power, an inverter circuit configured to invert the DC power into an AC power, and a PWM ON-width control circuit configured to control switching conditions of the switching element in the DC-DC converter circuit immediately before a polarity of the AC power is reversed such that an ON-width of the PWM signal is increased from a start of a polarity reversal so as to increase the DC power in a predetermined period. The polarity of the AC power of the inverter circuit is reversed in synchronism with a switching timing of the switching element immediately after the control by the PWM ON-width control circuit to increase the ON-width.
Remote control of a legacy fluorescent lamp fixture
A legacy-type fluorescent lamp fixture involves a magnetic ballast and a starter unit socket. Power savings are realized by using a retrofit fluorescent lamp assembly in place of the fluorescent lamp that would ordinarily by held in the fixture. The retrofit assembly may, for example, have a smaller fluorescent lamp. A digitally controlled electronic ballast within the retrofit assembly drives the smaller fluorescent lamp efficiently, thereby achieving power savings. In addition, an RF-enabled switch is installed in the starter unit socket. The RF-enabled switch communicates multi-bit digital control signals in serial fashion from the starter socket, through existing wires of the fixture, through the lamp holders of the fixture, and into the retrofit assembly. The electronic ballast receives these signals, decodes them, and in response turns on or turns off its lamp as commanded. Additional power savings are thereby achieved by keeping the lamp off when it is not needed.
LED backlight driving circuit and LCD device
A light emitting diode (LED) backlight driving circuit includes an LED light bar, a voltage conversion unit that drives the LED light bar to light, and a driving chip that controls the voltage conversion unit. The driving chip includes a temperature collecting unit that uses a thermistor contained in the temperature collecting unit, an adjusting device coupled to the temperature collecting unit, and a voltage protection unit coupled to an output end of the voltage conversion unit. When temperature of the thermistor exceeds a preset threshold, the temperature collecting unit outputs a protection signal according to a variation of voltage of the thermistor and the adjusting device controls the voltage conversion unit to output a driving voltage that exceeds an over-voltage protection threshold of the LED backlight driving circuit according to the output protection signal, and the voltage protection unit starts an over-voltage protection function.
LED short circuit protection
According to an example embodiment of the present disclosure, a method is provided for controlling a light-emitting-diode (LED) circuit. The method includes receiving a direct current to direct current (DC-to-DC) control signal at a DC-to-DC converter. A DC voltage is generated from an input DC voltage source. The DC voltage has a voltage level that is set according to the DC-to-DC control signal. The DC voltage is provided to an LED circuit output. The DC voltage level from the DC-to-DC converter is determined. The DC-to-DC converter control signal is generated in response to the determined DC voltage level. The LED circuit is determined to have a short circuit based upon the determined DC voltage. In response to determining that the LED circuit has a short circuit, the DC-to-DC converter is disabled from providing the DC voltage to the output for powering an LED circuit.
Dimmable LED reading light unit, arrangement of power supply and dimmable LED reading light unit, method of operating a dimmable LED reading light unit in a power supply system, and method of replacing a dimmable light unit by a dimmable LED reading light unit
A dimmable LED reading light unit, in particular for a passenger transportation vehicle, such as an airplane, a bus or a ship, comprises an input which is connectable to a potentiometer that outputs a direct voltage having a voltage intensity corresponding to a selected potentiometer position; a load current source being configured to generate a predetermined load current; a current controller providing an operating current for operating at least one LED; and an electronic measuring and control unit; wherein the load current source and the current controller are connected to the input in parallel.
Lighting apparatus and method for detecting reflected light from local objects
Lighting apparatus and method for detecting reflected light from local objects are disclosed. A controller within a lighting apparatus is used to activate and deactivate one or more LEDs within a duty cycle. The controller uses a light detection apparatus that is optically isolated from the LEDs to sample light levels during a time in which the LEDs are deactivated and during a time in which the LEDs are activated. The light level when the LEDs are deactivated is an indication of the ambient light levels within the surrounding area of the lighting apparatus. The light level when the LEDs are activated is an indication of the ambient light levels combined with any light generated by the LEDs that is reflected onto the light detection apparatus. By comparing these light levels, the controller can determine the level of light attributable to reflected light from the LEDs.
Electronic device for driving light emitting diodes
The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Iout) through the light emitting diode.
Reactive power balancing current limited power supply for driving floating DC loads
A capacitance based reactive power balancing current limited power supply (RPBCLPS) for driving floating DC loads utilizes capacitive reactance to limit current being supplied to a load, rather than inductance. A capacitor transfers charge from an AC current input to a DC load. A fuse electrically protects the capacitor from high frequency current harmonics. A diode clamp electrically protects the capacitor from voltage spikes. A rectifier converts the AC current input into DC current for driving the DC load. The reactive power balancing current limited power supply can be incorporated as a key component into reactive power balancing electrical power distribution systems. Such systems can comprise a grid configuration structured to distribute the AC electrical power from a utility source to a plurality of DC loads. Further, the DC loads can be cooperatively located to provide functional distributed capacitance throughout a substantial portion of the grid.
Gas-tight electroluminescent device
The invention relates to a gas-tight electroluminescent device (100) with an electroluminescent part (104) and a sealing part (102). The electroluminescent part comprises an electroluminescent layer (114), a first electrode layer (112), and a second electrode layer (116). The sealing part comprises a substrate (106), a cover plate (110) for gas-tight sealing the electroluminescent device, and at least one receiver winding (105; 206; 208; 406) for receiving electromagnetic radiation.
System and method for participants data retrieval post accident or event
A device and method for post event data retrieval uses an electronic communications system, wherein the method and system can utilize a detection device for detecting the event and facilitating the post event data retrieval. The system and method include detecting an event using a detection device. The detection device includes a location tool configured to determine a position of the detection device. The detection device defines a specified vicinity with respect to itself. A location is determined of the detection device using the location tool, after the event has occurred. Data including an identification (ID) is automatically requested of a communications device in the specified vicinity, using the detection device. A reply is received by the detection device which includes the ID from the communications device for identifying the communications device.
System and method for cross-layer encapsulation messaging
A method for mobile node operations includes communicating with a first point of attachment in a first radio network through a radio interface tuned to the first radio network, and encapsulating a first frame in a second radio network format within a media independent control frame. The method also includes transmitting the media independent control frame with the first frame in the second radio network format encapsulated therein to a second point of attachment in a second radio network using the radio interface tuned to the first radio network.
Determining “fair share” of radio resources in radio access system with contention-based spectrum sharing
A method, apparatus, system, and computer program product example embodiments of the invention are disclosed to structure access to a wireless medium to reduce interference between nearby nodes. In example embodiments of the invention, a method includes the steps of determining an amount of available wireless communication resources in a reception area; determining a number of wireless communication nodes in the reception area; generating a reservation limit of the available wireless resources; determining an inability to allocate the reservation limit of the available wireless resources; transmitting a request for release of resources to at least one other wireless communication node. Another node receiving the request, performs a method including the steps of determining a threshold; comparing an allocated amount of wireless communication resources against the threshold; and releasing at least a part of the allocated amount of resources, if the reserved number is greater than the threshold.
Method and apparatus for supporting machine-type communications with a mobile-originated-only mode
A method and apparatus for supporting machine-type communications (MTC) are disclosed. A wireless transmit/receive unit (WTRU) may configure itself to operate in a mobile-originated-only mode. The WTRU may perform no, or a subset of, radio resource control (RRC) idle and/or non-access stratum (NAS) idle/standby state procedures in the mobile-originated-only mode. For example, the WTRU may perform cell reselection but not paging monitoring in the mobile-originated-only mode. Alternatively, the WTRU may perform paging monitoring but not cell reselection and location update. The operation in the mobile-originated-only mode may be triggered explicitly or implicitly. For example, the WTRU may operate in the mobile-originated-only mode if an inactivity timer expires. The WTRU may switch the mode in accordance with a pre-configured schedule. After transition of the operation mode, the WTRU may send a message to the network indicating such mode switch.
System and method to control wireless communications
A method of controlling wireless communications is provided. A call is received from a first mobile device at a base transceiver station (BTS) interface of a first distributed mobile architecture (DMA) server. The call is associated with a destination device. The first DMA server determines that a first distributed mobile architecture gateway (DMAG) supports communication with the destination device based on registration data stored at the first DMA server. Voice information associated with the call is converted to packet data. The packet data is routed to the destination device via the first DMAG.
A communication apparatus includes: a processor; and memory storing instructions that, when executed by the processor, causes the processor to execute: receiving identification information of a first device of the slave station devices from the first device through the master station device; transmitting, in a specific case where the master station device is disconnected from the first wireless network, a first type command to the first device by using the identification information of the first device, wherein the first type command is a command for establishing a state where a transmission source device and a transmission destination device thereof belong to a same wireless network; and establishing, when the first type command is transmitted to the first device, a first state where the communication apparatus and the first device belong to a second wireless network different from the first wireless network.
Network access points using multiple devices
A system and method for providing access to a communication network includes providing a radio node comprising a first set of access point components including a radio component, and providing a physically separated controller node in communication with the radio node. The access point controller comprises a second set of access point components distinct from the first set of access point components, creating a distributed access point. A system controller may also be used to control at least one of the radio node and the controller node. The radio node, the controller node, and the system controller communicate over a communication link, such as a wireless or wired link.
Method and system for session admission control in broadband wireless network
A method and system for providing session admission control for a new session in a broadband wireless network is provided. The method may include obtaining a guaranteed bit rate, a priority level, and a quality of service class indicator for the new session. The method may further include calculating an available capacity by utilizing the guaranteed bit rate. The method may further include searching through existing sessions for a first plurality of existing sessions having same quality of service class indicator as the new session and priority level lower than the priority level for the new session, if the available capacity is found to be a negative value. The method may further include filtering the first plurality of existing sessions to obtain a second existing session, preempting the second existing session, and admitting the new session in response to the preempting.
Communication device and method for communicating in a communication mode using a frequency range according to a frame structure
According to one embodiment, a communication device is described comprising a communication circuit configured to communicate in a first communication mode using a first frequency range and a receiver configured to receive a switching delay information message indicating a time interval by which start of communication in a second communication mode using a second frequency range should be delayed after a switch from the first communication mode to the second communication mode. The communication circuit is configured to communicate in the second communication mode when the time interval has elapsed since the start of the switching from the first communication mode to the second communication mode.
Method for allocating wireless resources in wireless access system and device therefore
The present invention pertains to a method for allocating wireless resources used in device-to-device communication in a wireless access system which supports device-to-device communication, and a device therefore. Specifically, the invention includes a step for receiving resource control information through a control channel from a base station during device-to-device communication of a first device and a second device, and a step for allocating wireless resources which do not interfere in the device-to-device communication of another device and the second device by using resource control information of the first device when interference with another device occurs due to device-to-device communication of the first device and the second device.
Methods and apparatus for mitigating service interruption
The present invention provides methods and apparatus for mitigating service interruption that occurs due to a change in the IP address of a UE that is receiving a service under control of a Policy and Charging Control (PCC) architecture. According to these methods, a Policy and Charging Rules Function (PCRF) of the PCC architecture is configured to determine when a change in the IP address of the UE is imminent, and to take temporary actions to mitigate the service interruption perceived by the user of the UE. The PCRF is also configured to trigger a notifications intended for at least one of the UE and any Application Function (AF) that is providing the service to the UE that a change in the IP address of the UE will occur imminently. The UE and AF are therefore also able to anticipate the change in the IP address and take action to mitigate the service interruption perceived by the user prior to the change in the IP address taking place.
Apparatus and method for selecting best beam in wireless communication system
An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.
Method and apparatus for wireless system control to enable provision of high capacity in areas with high concentration of wireless user devices
An example system includes a plurality of wireless communication elements and a controller. The plurality of wireless communication elements are configured to provide wireless service to a geographic area of interest, each wireless communication element comprising at least an antenna port or at least one antenna. The controller is configured to control the wireless communication elements, wherein the controller is configured to determine respective ones of the wireless communication elements that are to be activated or not activated.
Method for channel searching in a medical body area network
Provided is a method for channel searching for enabling a medical body area network (MBAN) terminal, which operates in an allocated frequency band, to use another frequency band. The method may comprise the steps of receiving an identifier of a specific channel group, from among a plurality of channel groups, from an MBAN coordinator in the allocated frequency band; and searching for a channel in a channel group relating to the received identifier of the channel group in a different frequency band. The identifier of the channel group indicates a channel group including channels that the terminal preferentially searches for in the other frequency band.
Wireless communication device, wireless communication method, and wireless communication system
A wireless communication device includes a first generator and a plurality of adders. The first generator is configured to generate a first cancellation signal having inverse characteristics of a first spurious emission that is expected to occur between transmission signals in a plurality of frequency bands during data transmission using the plurality of frequency bands, based on information regarding the plurality of frequency bands. The plurality of adders is configured to add the first cancellation signal to transmission signals in the plurality of frequency bands.
Radio communication system for optimal CFI control in a cross-carrier scheduling environment
In order to implement optimal CFI control under a cross-carrier scheduling environment and improve PDSCH transmission efficiency, for the MACRO_UE2 where the cross-carrier scheduling is employed, the PDSCH initiation position of CC1 that is used to transmit PDCCH is dynamically controlled, and the PDSCH initiation position of CC2 that is not used to transmit PDCCH is quasi-statically controlled. For the PICO_UE2 where the cross-carrier scheduling is employed, the PDSCH initiation position of CC2 that is used to transmit PDCCH is dynamically controlled, and the PDSCH initiation position of CC1 that is not used to transmit PDCCH is dynamically controlled.
Method and apparatus for scheduling wireless personal area network
A method for a terminal receiving a guaranteed time slot (GTS) allocation in a wireless personal area network (WPAN), according to one embodiment in the present specification, comprises the steps of: deciding a GTS allocation interval based on characteristic information of the terminal; and transmitting a GTS request to a WPAN coordinator, wherein the GTS request comprises the GTS allocation interval which is decided by the terminal; and receiving the GTS allocation information from the WPAN coordinator, wherein the GTS allocation information comprises the GTS allocation interval which is decided by the WPAN coordinator based on the GTS request that is transmitted by the terminal.
Method for contention-based scheduling of downlink signal transmissions
A method and apparatus for operating a UE and a BS to perform contention-based scheduling of downlink signal transmissions are disclosed. The method includes receiving, from at least one of BSs adjacent to the UE, a channel carrying inter-BS contention information for downlink signal transmission in an (n+1)th time unit, n being an integer, broadcasting to the BSs a contention number with a highest priority level among contention numbers extracted from the inter-BS contention information, and receiving a downlink signal from a BS that transmitted inter-BS contention information related to the contention number with the highest priority level in the (n+1)th time unit.
Method and apparatus for enhanced control channel-based operation in wireless communication system
The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for enhanced-control channel-based operation. A method for a terminal for transmitting confirmation response information in a wireless communication system according to one embodiment of the present invention comprises a step for transmitting confirmation response information for a downlink data channel by means of an uplink control channel resource, wherein an index for the uplink control channel resource can be determined on the basis of a delegate antenna port of a downlink control channel derived from the identifier of the terminal.
Method and device for allocating group resources for M2M device in wireless communication system
The present invention relates to wireless communication, and more specifically, to a method and a device for allocating group resources for a M2M device to which machine to machine (M2M) communication is applied in a wireless communication system. A method for allowing a machine to machine (M2M) device to be allocated with resources with resources in a wireless communication system comprises the steps of: receiving first information for identifying said M2M device from a base station; receiving, from said base station, group resource allocations, second information for identifying a first group to which said M2M device belongs, and third information for identifying said M2M device within said first group; and determining first group resource allocations corresponding to said second information from said group resource allocations, without using said first information, and then transmitting first data by using resource allocations corresponding to said third information from said first group resource allocations.
Timing adjustment method in a mobile communication system that performs an adjustment of uplink transmission timing by random access between a user equipment and a base station
A mobile communication system having a user equipment that performs transmission process having transmission timing adjustment information and a base station that receives a signal sent from the user equipment, the mobile communication system includes, if a timer controlling a term of application of first transmission timing adjustment information expires before transmission of a signal including identification information of the user equipment is performed during a connection process including reception of second transmission timing adjustment information while the user equipment has the first transmission timing adjustment information and performing the connection process to the base station, the user equipment does not transmit the signal.
Method, base station, terminal and communication system for selecting a component carrier
A method, base station, terminal and communication system for selecting a component carrier are provided in the present invention. The method includes the following steps: determining the coverage range of each available carrier which can be used by the terminal; determining whether the distribution of the coverage ranges of all available carriers accords with a preset distribution mode; in the case of according with the presetting distribution mode, at least according to a rule which is determined by the distribution mode, determining a component carrier to be used. With the embodiments provided in the invention, a component carrier used by the terminal can be reasonably chosen.
Controlling UE emissions for avoiding self-interference and for demanding coexistence situations
An apparatus, with a scheduler that allocates one or more resource blocks to a channel in an uplink frequency band and/or a downlink frequency band according to a first telecommunication standard and the available frequency band for the uplink or downlink, respectively, wherein the scheduler takes into account a limit of resource blocks to be allocated to the channel, and wherein the limit is at least one of an allowed resource block, a resource block to be avoided, a width of a range of allowed resource blocks, a non-usage information of the channel, an upper allowed resource block, and a lower allowed resource block, an upper limit of the number of resource blocks, a lower limit of the number of resource blocks, and any reasonable combinations of the limits mentioned.
Method and apparatus for determining locations of communication devices in a simulcast network
Methods and apparatuses are disclosed for identifying locations of communication devices in a simulcast network. A comparator sends a location request to communication devices in a simulcast network. The location request includes timeslot assignments for each talk group in the simulcast network. The comparator receives responses from the communication devices. Each response is received in a timeslot assigned to a talk group. The comparator assigns network resources to talk groups in the simulcast network based at least in part on the received responses.
Contacting a group of terminals within a wireless communication network
The present invention relates to the field of paging terminals within a communication network. In order to contact a group of terminals, a common group identification is allocated to each of the terminals within said group. Thereafter, a paging message is created comprising said common group identification. The paging message is then transmitted to all terminals within said group by a single paging operation.
Contextual push notification service
A contextual push notification service is provided, including: receiving, by a mobile device, a notification message. The notification message comprises at least one context rule and a notification message. The at least one context rule is compared, on the mobile device, with at least one user context preference. Based on the results of the comparison, a notification action is taken.
Method for locating a terminal at the surface of a coverage area by means of a telecommunication network using a multi-beam satellite
A method for locating a terminal in a coverage area using a telecommunication network, the network including a multi-beam satellite, the area including various cells, each associated with a beam for linking to the satellite to which a frequency band is assigned, the method including: performing the uplink transmission of a message incorporated into a modulated signal to the satellite at a frequency shared by three different uplink beams such that the message is received by the satellite with three different amplitudes; performing the downlink transmission of three modulated signals incorporating the message, the first, second, and third signals each corresponding to a different beam from among the three beams; receiving the first, second, and third signals; determining the amplitudes of the message within the first, second and third signals; and determining the location of the terminal from the amplitudes of the message within the first, second, and third signals.
Systems and methods for location determination
Embodiments described by the present disclosure provide improved systems and methods for determining the location of a mobile device. In one embodiment, a system comprises a distributed antenna system (DAS) configured to relay signals to and from the mobile device. Further, the DAS comprises a hub unit; and multiple remote antenna units coupled to the hub unit, wherein signals relayed between the remote antenna units and the hub unit are delayed such that different signal paths between the remote antenna units and the hub unit have different delay times. The system also comprises a base station coupled to the hub unit, wherein the base station receives the signals from the hub unit and determines the delay of signals transmitted between the mobile device and the base station, wherein the system determines the location of the mobile device by using the delay for RF pattern matching.
Tracking registration buffer in a cellular network
Embodiments described herein may help to provide a delayed zone-update process. An exemplary method may involve a user entity, which is initially operating in a first of a plurality of multi-coverage-area zones in a radio access network (RAN), subsequently determining that the user entity has moved into a second multi-coverage-area zone of the RAN, wherein the user entity is located in a first coverage area of the second multi-coverage-area zone. In response, the user entity may refrain from sending a registration message to register in the second multi-coverage-area zone until the earlier of: (i) a threshold period of time elapsing and (ii) the user entity moving into another coverage area in the second multi-coverage-area zone that is different from the first coverage area.
Method and apparatus for iterative synchronization of two or more electronic devices
Dynamic adjustment of offset between timebases of separated electronic circuits is provided based on an amount of time between synchronization events, wherein a synchronization event is an event involving communication across a separation between the separated electronic circuits in order to synchronize the timebases. The dynamic adjustment can be dynamically or adaptively adjusting a margin of error to account for drift that may have occurred since a prior synchronization event. Adjustments might be done by applying a learning sequence to quantify and adjust for static or slowly varying delays between the timebases and coordinating the timebases using output of the learning sequence.
Method, apparatus and computer readable medium for setting a radio frequency gain
The invention teaches a solution for a Time Division Duplex (TDD) and Frequency Division Duplex (FDD) networks. In the solution, a threshold value is set for a radio frequency gain. The value of the radio frequency gain is limited to the threshold value during an initial synchronization phase where user equipment is first trying to receive synchronization signals in a transmission from a base station.
Transmission power modulation to facilitate in-device coexistence between wireless communication technologies
A method of modulating transmission power to facilitate in-device coexistence between wireless communication technologies is provided. The method can include determining a scheduled time period during which data is received by a device via a first wireless communication technology. The method can further include reducing a transmission power of a transmission from the device via a second wireless communication technology to a threshold level prior to the scheduled time period and controlling the transmission power so that the transmission power does not exceed the threshold level during the scheduled time period. The method can additionally include, subsequent to the time period, increasing the transmission power to a level exceeding the threshold level.
Radio communication system, base station device, mobile station device, radio communication method, and integrated circuit
In a radio communication system in which a mobile station device and a base station device communicate with each other, power of a signal from the mobile station device to the base station device is efficiently controlled. When a finally received DCI format for PUSCH is a DCI format 0 or a DCI format 4 in which two transport blocks are enabled, a scheduling unit (1013) notifies, to a transmission power control unit (1015), that δpower-offset is 0. When the finally received DCI format for PUSCH is a DCI format 4 in which one of the transport blocks is disabled, the scheduling unit (1013) notifies, to the transmission power control unit (1015), δpower-offset that is decided from a value set in a New data indicator field for the disabled transport block.
Radio base station and power control method
Disclosed is a wireless base station (eNB10-1) which calculates resource block usage based on the number of resource blocks in the downstream direction (downstream resource block usage) and the number of resource blocks in the upstream direction (upstream resource block usage) allocated to a wireless terminal (UE30-1), and sets the number of DSP for which a power supply should be turned on in a manner such that the number of DSP for which a power supply should be turned on is reduced as resource block usage decreases. In addition, the wireless base station (eNB10-1) turns on the power supply for the set number of DSP and turns off the power supply for the remaining DSP.
Method and a device for saving power in a wireless user terminal
A method for use in a cellular system with a controlling node and user terminals, UEs. In the system, UEs can assume one of at least two states, a non-listening state, i.e. a state during which a UE does not listen for data from its controlling node, and a listening state, an “on duration” state. According to the method a UE in the system is able to alternate between said two states according to a certain scheme, the scheme according to which a UE in the system alternates between said two states being dependent on whether or not data units which are transmitted between the UE and its controlling node are received entirely and correctly within an initially allocated resource for each data unit.
Enhanced mobility state detection in mobile communication terminals
A method in a mobile communication terminal, which operates alternately in an idle mode and a connected mode, includes maintaining a count of mobility events in which the terminal switches to camp on a cell. The count is retained irrespective of transitions of the terminal into and out of the idle mode and the connected mode. A mobility state is selected for the terminal depending on the count, and operation of the terminal is configured based on the selected mobility state.
Commissioning of wireless devices in personal area networks
A device joining a wireless network performs a scan and acquire procedure to discover the optimal node in the desired network. The joining device scans all desired channels for a predetermined amount of time. During the scan, the joining device builds a table of discovered networks ranked and truncated according to proximity. Additionally, the joining device curates the list to ensure that only the optimal node from each network is listed. The joining device then attempts to join networks according to the table of discovered networks.
Radio communication terminal that selects among radio communication networks
A radio communication terminal 100 includes: a first storage unit 1171 configured to store a PRL list L1 used for connection to a communication provider-provided WLAN provided by a communication provider, a content of the first storage unit 1171 being rewritable by the communication provider; and a second storage unit 1172 configured to store a user registration list L2 used for connection to a user-registered WLAN registered by a user of the radio communication terminal, the second storage unit 1172 being rewritable by the user. The radio communication terminal 100 selects any one of the communication provider-provided WLAN and the user-registered WLAN, based on the PRL list L1 and the user registration list L2.
Wireless network for automation, realtime and/or industrial applications
The present invention describes a wireless network, in particular for automation, realtime and/or industrial applications, having at least two access network nodes and at least one radio station for wireless communication with at least one of the at least two access network nodes, wherein each of the at least two access network nodes uses a data channel selected from a set of available selectable data channels for wireless communication with a radio station assigned to it in each case, wherein a control communication channel which is distinct from the selectable data channels is provided in addition, and each of the at least two access network nodes is embodied for wirelessly sending information messages over the control communication channel and the at least one radio station is embodied for receiving the control communication channel.
Wireless communication device management
A method and system that limits the use of a communication device present in an area controlled by an intelligent controller. The intelligent controller detects any present communication devices in the area and conducts an inventory providing information about each detected device. The intelligent controller compares that information to a standard of use data, which specifies the conditions need to be present for allowing the usage of a communication device. If such conditions are not met, the intelligent controller sends commands to the communication device to restrict its functionality. Else if, the intelligent controller is incapable of restricting the communication device, it can notify authorities of unauthorized usage of a communication device in the restricted area.
System for managing services of WiMAX base stations
A system that incorporates teachings of the present disclosure may include, for example, a base station having a wireless transceiver operable in compliance with a Worldwide Interoperability for Microwave Access protocol, and a controller to manage the wireless transceiver. The controller can be operable to receive a request from a communication device to access the base station, and to direct the communication device to a second base station upon determining that granting wireless access to the communication device reduces an operating performance of the base station below an operating threshold of the base station. Additional embodiments are disclosed.
System and method for relay node selection
A method for recommending a relay node to which a user agent attaches. The method includes recommending the relay node based on a relay node selection rank.
Advanced network characterization and migration
In some embodiments, a method includes scanning for wireless networks, where scanning includes collecting network information indicating properties of the wireless networks. The method can include analyzing the network information to determine signal data indicating signal qualities for the wireless networks. The method can include characterizing, based on the signal data, one or more wireless networks as being suitable for connection by the mobile device, where the characterizing includes determining, based on the signal data, movement of the mobile relative to one or more access points of the wireless networks. The method can include determining that one or more signals of the wireless networks are above a dwell threshold level for reliable wireless connectivity. The method can include determining that one or more signals has been dropped, and connecting to the mobile device to one of the one or more wireless networks that are suitable for connection.
Method and system for circuit-switched fallback
A method and system for circuit-switched fallback (CSFB) is disclosed. A first wireless network may receive from a wireless communication device (WCD) a report including an indication of radio frequency (RF) quality of a second wireless network. The first wireless network may make a determination of whether the reported indication of RF quality exceeds a threshold. If the determination is that the reported indication of RF quality exceeds the threshold, the first wireless network may send the reported indication of RF quality to the second wireless network. However, if the determination is that the reported indication of RF quality does not exceed the threshold, the first wireless network may direct the WCD to hand off to the second wireless network and refrain from sending the reported indication of RF quality to the second wireless network.
Handover method for reducing the amount of data forwarded to a target node
Method and arrangement in a source radio network node for reducing the amount of user equipment related data forwarded to a target radio network node, when performing a handover of a user equipment. The method comprises determining that the user equipment is to perform a handover from the source radio network node to the target radio network node, increasing the polling frequency of polls sent to the user equipment, transmitting a poll to the user equipment, receiving a status message from the user equipment, as a response to the transmitted poll, dropping the data which, according to the received status message have been acknowledged by the user equipment, and forwarding the data which have not been acknowledged by the user equipment according to the received status message, to the target radio network node.
Broadcast cell loading information for wireless network access and handoff
A system information message is received by a wireless device. The system information message was broadcast from a first access node using a first frequency band. Cell loading information is extracted from the system information message. Based on the cell loading information, it is determined whether to connect the wireless device to the first access node using the first frequency band, or to a second access node using a second frequency band. The second access node is also broadcasting system information messages that include cell loading information.
Network based speed dependent load balancing
A mobile device mobility state is included in device reporting to a radio access network for mobility event and load balancing purposes. Respective load conditions and respective coverage areas of a first set of devices of a first network and a second set of devices of a second network are analyzed. In addition, a mobility state of a mobile device, a first signal strength associated with the first set of devices, and a second signal strength associated with the second set of devices are also analyzed. The mobility state is a function of a movement pattern of the mobile device and a speed at which the mobile device is being moved. Network traffic of the mobile device is routed to a set of network devices selected from the first set of devices and the second set of devices, as a result of the analysis.
Telecommunications method, protocol and apparatus for improved quality of service handling
A telecommunications network adapted to process data packets according to the client mobile internet protocol domain is extended to provide bearer capability, such that sub-sessions can be used to distinguish one portion of traffic from another. A different Quality of Service (QoS) can be assigned to each bearer. The bearers can be setup by a mobile node or a home agent in the telecommunications network.
Cell size and shape estimation in heterogeneous networks
A telecommunications node (28) comprises a communication interface (36) and a parameter controller (40). The node (28) acquires timing advance (TA) information and angle of arrival (AoA) information through the communication interface (36). The timing advance (TA) information and angle of arrival (AoA) information are based on uplink signals received over a radio interface (32) from one or more wireless terminals (30) that are involved or have been involved in handover. The parameter controller (40) uses the timing advance (TA) information and the angle of arrival (AoA) information to make a determination of size and shape of a cell of a radio access network.
Method and apparatus for measuring radio resource use per traffic class in a wireless communication system
A method and apparatus for measuring a use of radio resources in a wireless communication system are provided. The method includes allocating radio resources to a plurality of transport blocks, and, if at least one transport block among the plurality of transport blocks overlaps at least one other transport block in terms of the radio resources, a use of the radio resources is measured by calculating a sum of a value determined by dividing the number of radio resources allocated to each of the plurality of transport blocks by the number of radio resources which are used by the at least one other transport block in a duplicate manner.
Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices
Systems, methods and apparatus are provided for identifying a wireless signal-emitting device. A signal of interested is detected and filtered, the signal of interest is measured and a signal profile is created, the wireless signal-emitting device is identified by comparing the signal profile of the signal of interest with stored device signal profiles. Signal degradation data for the signal of interest is calculated based on information associated with the signal of interest in a static database including noise figure parameters of a wireless signal-emitting device outputting the signal of interest, hardware parameters, and environment parameters.
Monitoring method of multi-hop wireless network
A multi-hop wireless network monitor method for monitoring a state of a multi-hop wireless network including a plurality of nodes, the method includes: transmitting a packet that stores monitor data indicating a state or performance of a first node and identification information that identifies the first node; rewriting the monitor data stored in the packet with the monitor data detected by a second node and rewriting the identification information stored in the packet with the identification information that identifies the second node in the second node when the monitor data detected by the second node is worse than the monitor data stored in the packet; and specifying a node in the worst state or performance in a propagation route of the packet according to the identification information stored in the packet.
Channel measurement method and apparatus
Embodiments of the present invention provide a channel measurement method and apparatus. The method includes: configuring, for each frequency band of N frequency bands having a same carrier frequency, according to a measurement demand, reference signal information corresponding to each frequency band, so that reference signal densities included in configured reference signal information of at least two frequency bands of the N frequency bands are different, where N is a positive integer greater than or equal to 2, the reference signal information refers to information required to generate a reference signal, the reference signal density refers to a distribution density on a time domain or a distribution density on a frequency domain of the reference signal or a pattern of the reference signal; and notifying a user equipment of the reference signal information, so that the user equipment performs channel measurement according to the reference signal information.
Methods and apparatus for reporting signal quality in overlapping multimedia broadcast single frequency network (MBSFN) areas
Certain aspects of the present disclosure relate to methods and apparatus for reporting signal quality in overlapping Multimedia Broadcast Single Frequency Networks (MBSFN) areas. A UE may determine a signal quality estimate for each of two or more overlapping MBSFN areas based on Signal to Noise Ratio (SNR) information and Modulation and Coding Scheme (MCS) information for the MBSFN area. The UE may then determine a combined signal quality based on the signal quality estimates of the MBSFN areas.
Methods and apparatus for determining, communicating and using information which can be used for interference control
A wireless terminal receives a broadcast uplink interference report request conveying a requested report type and/or a locally unique base station identifier. The wireless terminal receives and measures broadcast reference signals, e.g., beacon and/or pilot signals, transmitted from a plurality of base station attachment points. Specific type interference reports relate a current serving connection base station attachment point to a selected base station attachment point corresponding to the received base station identifier. Generic type interference reports relate a current serving base station connection attachment point to other unspecified base station attachment points whose broadcast reference signals have been detected by the wireless terminal. Sub-types of generic reports include summation function and maximum function reports. Timing information is sometimes used to determine report sub-type and/or sector type of the selected attachment point. The wireless terminal generates the requested report and transmits it to the current connection attachment point.
System and method for reducing interference in wireless communication systems
A system and method for mitigating interference in a physical layer is disclosed. The system may include a transmitter configured to transmit a message, the message having appended to it an interference signal and a receiver configured to receive the message from the transmitter. The receiver may also include a singular value decomposition filter receiver into which the message is input, the singular value decomposition filter receiver configured to use singular value decomposition data from the interference signal to recover the message from the transmitter while substantially eliminating the interference signal. The interference signal may be co-channel with the message and/or the interference signal may be dominant to the message.
Apparatus and method for managing satellite service resource
An apparatus and method for managing a satellite service resource is provided. The method may include measuring, using a communication system monitoring unit, at least one satellite service signal being received for at least one satellite service, calculating, using a service resource management unit, an optimum frequency and an optimum output power for the at least one satellite service through analysis of a satellite service resource, allocating the calculated frequency and the calculated output power to the at least one satellite service, and transmitting the allocated information to the communication system monitoring unit, and comparing, using the communication system monitoring unit, the measured information to the allocated information, and transmitting a result of the comparison to the service resource management unit.
Techniques of category-based fence are described. A category-based fence can correspond to a group of signal sources instead of a point location fixed to latitude and longitude coordinates. The group of signal sources can represent a category of entities, e.g., a particular business chain. The signal sources can be distributed to multiple discrete locations. A category-based fence associated with the group, accordingly, can correspond to multiple locations instead of a single point location and a radius. Each signal source in the group can be associated with a category identifier unique to the group and uniform among signal sources in the group. The category identifier can be programmed into each signal source. A mobile device can enter the category-based fence by entering any of the discrete locations when the mobile device detects the signal identifier. The mobile device can then execute an application program associated with the category-based fence.
Local wireless connectivity for radio equipment of a base station in a cellular communications network
The present disclosure relates to local wireless connectivity for a radio equipment of a base station in a cellular communications network. In one embodiment, the radio equipment includes a radio subsystem that transmits and receives radio signals for the cellular communications network, a local wireless interface, and a controller associated with the local wireless interface that is configured to provide access to a maintenance subsystem of the radio equipment via the local wireless interface. Remote access to the maintenance subsystem of the radio equipment via the local wireless interface allows maintenance operations to be performed without the need to physically connect to the radio equipment via a wired connection, which is difficult in many installations.
Sensing proximity utilizing a wireless radio subsystem
In particular embodiments, a wireless communications device includes an RF transceiver, a plurality of antennas coupled to the transceiver, and processing circuitry. The device may transmit an RF reference signal using the RF transceiver. When the RF reference signal is reflected back from each of the plurality of antennas, the device may determine at least one characteristic of the RF reference signal (e.g., amplitude, phase, dispersion, waveform shape, or distortion). The device may then characterize at least one aspect of the environment around the device based on the characteristic and control a function of the device based on the at least one aspect. For example, the device may detect that an object (e.g., a hand or other body part) is approaching the device but not yet in contact with the device and activate a first feature of the device based on the characterization.
Mobility detection for edge applications in wireless communication networks
Various embodiments detect wireless communication device mobility in a wireless communication network. In one embodiment, one or more Internet Protocol (IP) data packets associated with a wireless communication device are analyzed. The wireless communication device is coupled with the edge entity. A determination is made, based on the analyzing, that the wireless communication device is a newly coupled device at the edge entity. A central entity disposed within the wireless communication network is notified that the wireless communication device is currently coupled to the edge entity.
Method and apparatus for transceiving a contact verification signal regarding available channels in a plurality of locations in a wireless communication system
The present invention relates to a method of receiving available channel information on K (K≧2) numbers of locations by a first type station (STA) from a second type STA in a wireless communication system includes: receiving a channel availability query (CAQ) response message, wherein the CAQ response message includes a field of the numbers (K) of the locations and K numbers of available channel list fields configured with information on an available channel list for each of the K numbers of locations, from the second type STA, and performing a communication in a white space using an available channel included in an available channel list for a single location among the K numbers of locations, wherein the K numbers of available channel list fields are configured with a Map ID field and a field of N (N≧1) numbers of available channels are repeated K times.
Mobile device and method to monitor a baseband processor in relation to the actions on an applicaton processor
A method and device to analyze the security of a mobile terminal having application and baseband processors are described. Various information may be acquired by baseband and application monitor applications running on the mobile device including, for example, information about transmission channels, protocol transmissions, and/or data transmission volumes. Information about power consumption may also be acquired. The monitor applications may also measure response times to service requests as well as monitor various aspects of running applications including status, time/duration, inputs or outputs, and/or inputs from a user via a User-Interface. Information may also be acquired about the configuration of the audio path to determine which component or application is using the microphone.
Device-initiated security policy
A method and system for executing a security policy at a mobile terminal is provided. The mobile terminal may contact an authentication entity based on the security policy. The mobile terminal may receive a response from the authentication entity indicative of a security status of the mobile terminal. The mobile terminal may execute a security action based on the received response.
Sharing timed fingerprint location information
Sharing timed fingerprint location information is disclosed. In an aspect, timed fingerprint location information can be associated with a location of a user equipment. This timed fingerprint location information can be shared with other devices. As such, with proper analysis, these other devices can employ the shared timed fingerprint location information to determine their location. In an aspect, the other devices can determine that they are located at the same location as the user equipment. However, a level of error can be inherent in the location determined from shared timed fingerprint location information. In some embodiments, this error can be compensated for.
Security key based authorization of voice call identification numbers in wireless communication devices
Systems, methods, and software for operating communication systems and wireless communication devices are provided herein. In one example, a method of operating a wireless communication is provided. In processing circuitry of the wireless communication device, the method includes receiving a user request in an application for a voice call over a wireless communication network. In security circuitry of the wireless communication device, the method includes processing the request and a security key associated with the wireless communication network to authorize an identification number for the voice call over the wireless communication network, and indicating the identification number to the application. In a communication transceiver of the wireless communication device, the method includes, responsive to the application initiating the voice call using the identification number, exchanging communications of the voice call over the wireless communication network.
Network locking method and device for mobile terminal
A network locking method and device for a mobile terminal are provided in the present document, wherein network locking information and verification signals of a mobile terminal and a subscriber identify module (SIM) card are respectively stored in both parties in advance; after the mobile terminal is powered on, the mobile terminal and the SIM card verify each other through the verification signals; if the both parties pass through the verification performed by the other party, the mobile terminal compares the stored network locking information with the network locking information in the SIM card; if the comparison result indicates consistency, the mobile terminal enters into a normal standby state.
Apparatus and method for transitioning from a serving network node that supports an enhanced security context to a legacy serving network node
Disclosed is a method for transitioning a remote station from a current serving network node having an enhanced security context to a new serving network node. In the method, the remote station provides at least one legacy key, and generates at least one session key based on a calculation using a root key and using an information element associated with the enhanced security context. The remote station forwards a first message having the information element to the new serving network node. The remote station receives a second message, from the new serving network node, having a response based on either the legacy key or the session key. The remote station determines that the new serving network node does not support the enhanced security context if the response of the second message is based on the legacy key. Accordingly, the remote station protects communications based on the legacy key upon determining that the enhanced security context is not supported.
Method and system for managing information on mobile devices
A method and apparatus that protect information on a mobile device. The method and mobile device obtain a predetermined portion of asymmetric information upon an input of the asymmetric information in the mobile device; generate an identifier by using a first generating algorithm that uses the predetermined portion of the asymmetric information as an algorithm input; generate an encryption key by using a second generating algorithm that uses the predetermined portion of the asymmetric information as an algorithm input; generate ciphered information by using an encryption algorithm that uses the encryption key and the information as algorithm inputs; associate the identifier with the ciphered information; and store the ciphered information as associated with the identifier.
Method and apparatus for retransmitting MTC group message in wireless communication system
A method and apparatus for retransmitting an MTC group message in a wireless communication system are disclosed. A method for performing retransmission of a Machine Type Communication (MTC) group message by an MTC-InterWorking Function (MTC-IWF) in a mobile communication system includes: receiving an MTC group message response from a network node; and determining whether to perform retransmission of the MTC group message on the basis of information contained in the MTC group message response, wherein the MTC group message response includes zero or more region information of a predetermined unit, related to completion of the MTC group message transmission.
Methods and apparatus for device detection in response to signal broadcast
Methods and apparatus for detecting a device, such as a cell phone, by transmitting signals in various formats and detecting a response from the device. In general, different devices respond to different signal formats. Upon detecting the device, an alert can be generated.
A method of initiating a voice call via a dialler user interface on a user device in a telecommunications network is provided. The user device comprises at least a first communication client adapted to communicate via a first part of the telecommunications network and a second communication client adapted to communicate via a second, different part of the telecommunications network. The method includes, at the user device, receiving, via the dialler user interface of the user device, user input from a user of the device associated with initiating setup of a communication session, and selecting a given one of the first and second communication clients to pass the user input to for processing, whereby a communication session setup request is transmitted from the given communication client into the respective part of the telecommunications network.
Method and apparatus pertaining to Bluetooth#-conveyed voice-based user input
An apparatus having both a Bluetooth-compatible transceiver and a cellular-telephony transceiver has a control circuit operably coupled to the foregoing configured to facilitate at least one on-board application using voice-based user input. The control circuit, upon determining that a call-setup message as received via the Bluetooth-compatible transceiver specifies a particular predetermined number (such as a predetermined number that comprises an invalid number to serve as a telephone number) to call, automatically uses audio content received via the Bluetooth-compatible transceiver as the aforementioned voice-based user input for that on-board application. By one approach, the apparatus can provide that predetermined number to a given secondary platform as part of a conveyed contacts list.
Provision of additional content to mobile communication devices
A system and method for the insertion of additional content to messages sent between mobile communications devices. The system provides for a point system which allows users of the system to accumulate points for additional content sent with text messages. The points may be used for various functions such as purchasing premium services or may be applied towards the user's service charges.
Electronic device and method for extracting incoming/outgoing information and managing contacts
A method and electronic device for extracting incoming/outgoing information and managing contacts are provided. The method includes determining whether a communicating electronic device which has been or is in communication with the electronic device is included as a contact in a first contact list; extracting incoming/outgoing information based on at least one of metadata and contents of the communication with the communicating electronic device when the communicating electronic device is not included as a contact in the first contact list; and displaying the extracted incoming/outgoing information on a touchscreen of the electronic device.
Systems and methods for using a caption device with a mobile device
A communication system including a caption device and a mobile device configured to engage in communication with each other. The caption device is configured to receive a text signal originating at a relay service, the text signal corresponding to a far-end voice signal originating at a far-end device. The caption device is configured to display text corresponding to the text signal on a display. The relay service is configured to receive the far-end voice signal, and transmit the text signal to the caption device. The mobile device is configured to receive the far-end voice signal, and transmit the far-end voice signal to the relay service. A method of facilitating a captioned conversation between a far-end user and a near-end user having a caption device includes establishing communication between a caption device and a mobile device, and between the caption device and a relay service.
System and method for contextual social messaging
Disclosed is a system and method for selectively delivering shared information. The disclosed systems and methods enable a sending user to decide what context of information is to be shared, in that a sending user can determine when and where information is shared. This enables increased social engagement towards relevant information. Additionally, this enables a vast opportunity for commercial opportunities, whereby advertisements can be served contingent upon a consumer's context, and/or only when the product or service offered to the consumer is relevant.
Multimedia broadcast multicast service (MBMS) counting procedures
An MBMS counting procedure includes executing a connected mode counting procedure to determine whether the number of wireless communication devices in a connected mode is sufficiently large to justify providing a PTM compatible service using MBMS before executing an idle mode counting procedure. The idle mode counting procedure includes transmitting a downlink message from the system that can be received by wireless communication devices in idle mode. The system receives idle mode counting request response messages transmitted by wireless communication devices that were in the idle mode at the time the downlink message was sent. Each idle mode counting request response message indicates to the system whether the wireless communication device sending the idle mode counting request response message should be counted as an MMBS device that will receive the PTM compatible service.
Configuring a wireless communications device in a mobile communications system
A wireless communications device (2) and an interface unit (3) in a mobile communications system are configured. The interface unit (3) is connected to the wireless communications device (2) according to a wireless communication protocol and to a computing device (1) connected to a communications network (5) via an access point (7) having an address. The computing device (1) is requested to visit a service provider (8) on the network (5), which based on the address of said access point (7) can provide location information regarding said access point (7). In dependence thereof one of a number of stored configuration profiles are determined, and the interface unit (3) is configured accordingly. A configuration request comprising said determined configuration profile is transmitted to the wireless communications device (2), which is then configured accordingly, and a communications link can be established between the interface unit (3) and the wireless communications device (2).
Clientless method for context driven wireless interactions
Described herein are methods and apparatuses for the provision and management of value added services without a requirement for specific client software on a wireless receive/transmit unit (WRTU). The methods and apparatuses described may be applied to wireless networks supporting HTTP transfers without disrupting the wireless network configuration. In the embodiments described herein, a web request may be received by a Service Management Entity (SME) that may be located in an access point (AP) from a WRTU. The SME may transmit a proxy auto-configuration (PAC) file to the WRTU. This PAC file may include a uniform resource locator (URL) associated with a Service Delivery Entity (SDE), and the URL chosen may be based on rules associated with a location of the WRTU. The SDE may then receive a second web request from the WRTU and respond by transmitting a message to the WRTU such as a transaction trigger.
Electronically binding to a lost mobile device
A first mobile device detects a second mobile device in the vicinity of the first mobile device and determines that the second mobile device is lost. The first mobile device electronically binds to the second mobile device and obtains information relating to the second mobile device. The first mobile device sends the information relating to the second mobile device to a designated party. The first mobile device receives an indication that the second device is no longer lost. The first mobile device, in response to receiving the indication that the second device is no longer lost, unbinds from the second mobile device.
Bluetooth connection method and system
The present disclosure provides a Bluetooth connection method, the method includes that: a client reads information stored in a Radio Frequency Identification (RFID) card and establishes a Bluetooth connection with a server according to the read information. The present disclosure also provides a Bluetooth connection system, wherein a Bluetooth address and an identification (ID) value of the RFID card are pre-stored in the RFID card; after reading the information stored in the RFID card, the client directly uses a Service Discovery Protocol (SDP) service search to carry out an interaction with the server, achieving automatic completion of a Bluetooth authentication while a Bluetooth service search is performed, thereby establishing a secure and reliable Bluetooth connection; The method significantly reduces the time for establishing a Bluetooth connection, and makes the application of the Bluetooth service more concise and rapid to realize, costing less, more efficient, and easier to popularize.
Convenient use of push button mode of WPS (Wi-Fi protected setup) for provisioning wireless devices
An access point (AP) in accordance with an aspect of the present disclosure provides a convenient approach to provision wireless devices. In an embodiment, the AP initiates push button mode of WPS procedures with a wireless device, in response to receiving of a provisioning request from the wireless device, without requiring a WPS push button signal locally. The AP thereafter operates to complete provisioning of the wireless device. According to yet another aspect of the present disclosure, a wireless device may also participate in push button mode of WPS, without requiring a push button signal locally. In an embodiment, a wireless device automatically transmits a request for provisioning. An AP within the transmission range, responds back with a command to initiate push button mode of WPS procedures. The wireless device communicates with the AP to complete provisioning.
Data transmission through a recipient's skull bone
Systems and methods are disclosed for data transmission through a recipient's skull bone. In one aspect of the present technology there is provided a bilateral system, comprising a first mechanical stimulator configured to transmit first data through vibrations of a skull of a recipient, and a sensor device configured to receive the first transmitted data.
Entrainment avoidance with an auto regressive filter
A method of signal processing an input signal in a hearing aid to avoid entrainment, the hearing aid including a receiver and a microphone, the method comprising using an adaptive filter to measure an acoustic feedback path from the receiver to the microphone and adjusting an adaptation rate of the adaptive filter using an output from a filter having an autoregressive portion, the output derived at least in part from a ratio of a predictive estimate of the input signal to a difference of the predictive estimate and the input signal.
Electronic device that vibrates an element for sound transmission
Provided is an electronic device that is capable of reducing sound leakage from a vibration plate vibrated by a piezoelectric element. An electronic device 1 of the present invention includes: a piezoelectric element 30; and a vibration plate 10 configured to be vibrated by the piezoelectric element 30. Vibration sound is transmitted by the vibration plate vibrating a part of a human body. The piezoelectric element 30 is vibrated using a processed sound signal in which at least a part of frequency components of a sound reproduction signal that are higher than a predetermined threshold value is cut or attenuated.
Loudspeaker driver with dual electromagnet assemblies
Loudspeaker drivers are provided. According to one embodiment, a loudspeaker driver comprises a diaphragm, a connection tube, first and second voice coils, and first and second magnet assemblies. The connection tube has a first end section, a second end section, and a middle section. The first voice coil is connected to and surrounds at least a portion of the first end section. The second voice coil is connected to and surrounds at least a portion of the second end section. The first magnet assembly is configured to suspend the first voice coil in a first magnetic field and the second magnet assembly is configured to suspend the second voice coil in a second magnetic field. The connection tube intersects the diaphragm and the middle section of the connection tube is connected to the diaphragm.
Intelligent ambient sound monitoring system
A system and method for interjecting ambient background sounds into a set of headphones is provided. The system monitors an ambient sound environment and compares the ambient sound environment to a preset set of sound characteristics (e.g., frequency signatures, amplitudes and durations) in order to detect important or critical background sounds (e.g., alarm, horn, directed vocal communications, crying baby, doorbell, telephone, etc.). When a critical background sound is detected, the system interjects either a notification signal or a portion of the ambient background into the audio stream, thus alerting a user of a potentially important sound or event occurring within their immediate vicinity.
Enhancing audio at a network-accessible computing platform
Techniques for enhancing audio at a network-accessible computing platform and then providing the enhanced audio to a client device. By enhancing the audio remotely at the computing platform rather than locally at the client device, the client device need not include the infrastructure (e.g., hardware and software) required to perform these audio enhancements. Therefore, the client device may be manufactured at a lesser expense as compared to devices that perform the enhancements themselves. Instead, the client devices described herein simply receive the pre-enhanced audio and directly output this audio.
Active reduction of harmonic noise from multiple rotating devices
A system and method for reducing noise caused by two or more rotating devices by taking in input signals with frequencies that are related to the rotation rates of the rotating devices, and causing one or more loudspeakers to produce sounds that are at about the same frequencies as the noise and of substantially opposite phase. There is a noise canceller associated with each rotating device. Each noise canceller includes a harmonic frequency computer that computes a harmonic frequency and provides the harmonic frequency to a harmonic sine wave generator that generates an output sine wave. Each nose canceller also has an adaptive filter that uses a sine wave to create a noise reduction signal that is used to drive one or more transducers with their outputs directed to reduce noise caused by the rotating devices. There is an overlap detector that compares the harmonic frequencies and, based on their proximity, alters the operation of one or more adaptive filters.
Two-in-one ear buds with a light-up cable
Improvements in ear buds includes a two-in-one ear buds with a light-up cable provides two sets of stereo ear buds that can be joined for a single person to use or separated so the stereo sound can be enjoyed by two people at the same time. The connecting cord is a flat cord with magnetic coupling that joins the cords together to reduce wiring that connects from the audio device to the ear buds. The cable joins a left and a right set of wiring and the ear buds are coupled to provide a single left and right or a pair of left and a pair or right separate ear buds. The cord has illumination LED elements that provide different color patterns to interact with the mp3. The lighting controller gives the user the option to turn the lights on and off with buttons on the controller.
Headphone power system using high frequency signal conversion
An apparatus and method for powering headphone electronics over a standard audio signal cable without interfering with the normal audio transmission or playback of transmitted audio signals. A software application resides on a cell/smart phone or other mobile device that combines the nominal audio output of such a mobile device, like music or spoken word, with a high frequency audio signal to produce a dual component signal. The high frequency component is decoded and rectified outside of the mobile device, either in a connector or on the structure of the headphones themselves, to produce a direct current (“DC”) that powers the headphones. The music or other audible signal component transferred over the audio cable is decoded in parallel and sent to the headphone speakers for normal playback. The invention provides an alternative power source to headphone electronics such as active noise cancelling headphones over the audio cable.
System and method for providing media content enhancement
There are provided systems and methods for providing media content enhancement. A system for providing enhancement of media content displayed by a presentation unit of the system comprises the presentation unit configured to receive and display the media content, and a content enhancement module stored in a memory of the presentation unit. The presentation unit also includes a processor configured to control the content enhancement module to enhance the media content. A method for use by the content enhancement module comprises reading a context data received by the presentation unit, the context data describing a media content provided for display by the presentation unit, processing the context data to identify the media content, requesting an enhancement data corresponding to the media content, and executing instructions received in the enhancement data to enhance the media content displayed by the presentation unit.
Method and apparatus for streaming video
A method, apparatus, article of manufacture, and a memory structure for a CPT stream to a client device via an HTTP live streaming (HLS) protocol having a plurality of HLS media files is disclosed. In one embodiment, the method comprises generating an HLS playlist specifying a plurality HLS media files before generating any of the HLS media files, wherein each of the plurality of HLS media files has a unique name, transmitting the HLS playlist to the client device, after generating the HLS playlist, transcoding the CPT stream into at least a subset of the plurality of HLS media files, and providing at least one of the subset of plurality of HLS media files to the client device, wherein the at least one of the plurality of HLS media files is a client-requested media file selected from the HLS playlist.
Multimedia content distribution management
A method includes receiving, at a communications gateway associated with a customer premises, multimedia content from a communications network. The method includes superimposing, via the communications gateway, a heartbeat signal on an alternating current electrical power signal associated with an electrical wiring system of the customer premises. The method includes encoding the multimedia content based on the heartbeat signal to produce encoded multimedia content at the communications gateway. The method also includes wirelessly transmitting the encoded multimedia content from the communications gateway to a device.
Systems and methods for generating a user profile based customized display that includes user-generated and non-user-generated content
Systems and methods for presenting user-generated content in as easily accessible manner using an interactive media guide are provided. In particular, a user may be able to peruse user-generated content through an interactive media guide which is also used to access non-user-generated media content such as linear programming (e.g., over-the-air broadcast, cable, and satellite scheduled programming) and on-demand media. The interactive media guide may include a provider of user-generated content populated with user-generated content according to the user's interests or most recently added to the provider.
Systems and methods for providing program suggestions in an interactive television program guide
An interactive television program guide application is provided that queries a user regarding the user's interest in television programs and suggests television programs to the user based on the user's responses. The interactive television program guide application identifies a television program that is potentially of interest to the user. The interactive television program guide application then queries the user regarding the user's interest using questions that are formulated based on attributes associated with the identified television program. Using the user's responses to the questions, the interactive television program guide application identifies and suggests one or more television programs to the user.
Apparatus and method for providing services using a services gateway
A system that incorporates teachings of the present disclosure may include, for example, a server having a controller operable to provide media content to a gateway for presentation on a plurality of display devices without using a set top box, provide a selection of available services for presentation on the plurality of display devices, receive from the gateway a request for a service chosen from the selection of available services where the service is not a telecommunication service, provide an executable software to the gateway for implementation of the service, and generate a shipping order in response to the request, where the shipping order instructs delivery of equipment associated with the service to a building in which the gateway is located, where the equipment is detected by the gateway when the equipment is connected to a powerline of the building, and where the service is implemented using the gateway. Other embodiments are disclosed.
Satellite television network and near real-time method for downloading and verifying a subscriber remote record request
Near real time downloading and verifying of a subscriber's remote record request is provided to control a DVR using the existing satellite network. The insertion of the programming request into the continuous broadcast stream enables near real time processing of the request by a subscriber IRD to accommodate same day and even last minute remote programming requests. The use of a back channel to verify the request provides the subscriber with assurance that the request has been processed successfully and flexibility to change services on the fly.
Digital ad insertion for video-on-demand
A video-on-demand (VOD) service provider is configured to select advertising to provide with video-on-demand content, the advertising selected at least in part according to at least one of content metadata, ad schedules, or subscriber profile information, and to signal when the advertising is unavailable. The VOD service provider is configured to identify ad break points for the video-on-demand content to generate a playlist identifying the video-on-demand content and when the video-on-demand content is to be provided, and identifying content corresponding to selected advertising and when the content corresponding to the selected advertising is to be provided. The VOD server receives from a set top box a signal to pause or stop providing of the content to the set top box, and receives from the set top box a signal to resume providing the content to the set top box, and selects different advertising at least in part according to changed conditions when the signal to resume is received, and modifies the playlist to reference the different advertising.
Display apparatus and scheduled viewing setting method using the same
A method of setting a scheduled viewing of broadcast content is provided. The method includes: receiving a command for setting a scheduled viewing of broadcast content; recording the scheduled broadcast content; during the recording, detecting presence of a user; and determining whether to delete the recorded broadcast content based on a result of the detecting the presence of the user.
Device control using motion sensing for wireless home entertainment devices
Controlling and managing home electronic devices is disclosed. A remote control may obtain from a wireless home entertainment controller registration information. The remote control may then determine an instruction to switch content from a first source device to content from a second source device based on a sensed motion of the remote control. The remote control may then send to the wireless home entertainment controller the instruction.
Data requesting and transmitting devices and processes
The present invention concerns a data requesting device enabling flexible obtaining of data, notably AV (Audio/Video) data, with possibly limited required resources in terms of processing, memory and storing, included from a remote server through a WAN. The requesting device of the invention may notably allow to pause and retrieve a movie being played from such a server.
Video stream protection
Techniques for scheduling transmission of video streams in a network are described. It may be determined whether an amount of data in a buffer of a wireless transceiver is above a threshold. A first video stream and a second video stream are buffered using the buffer. The first video stream is associated with a first transmission schedule. If determined that the amount of data is above the first threshold, a characteristic of the first video stream may be compared to a characteristic of the second video stream. The first video stream may be selected based, at least in part, on the comparison of the characteristic of the first video stream to the characteristic of the second video stream. The first transmission schedule of the first video stream may be modified upon selecting the first video stream.
A method is provided for transmitting media content from a media content receiving device such as a set-top-box to one or more user devices capable of displaying, storing or outputting the media content. The method includes receiving, at the set-top-box, media content encoded according to a particular format, embedding in the media content, while it is encoded according to the particular format, a watermark containing data identifying the set-top-box and then transmitting the watermarked media content to one or more user devices. Encoding a watermark while the content is encoded according the received format allows protection to be added and the content passed to other devices without having to decode the content first. The method may be implemented by a suitable media content receiving device operating a computer program. A corresponding apparatus for implementing the method is provided.
Reception device and program for reception device
A reception device and program for the reception device that uses a scalable video coding (SVC) method to ensure best-effort image data transmission even when stream-type data is transmitted through a transmission control protocol (TCP). The reception device includes a frame detecting unit configured to detect a base layer reception completed time point indicating a time at which a base layer of a frame to be reproduced is formed using the received image packet, a timer unit configured to detect an expiration of a timeout period beginning at the earliest from the base layer reception completed time point, and a reception completed packet processing unit configured to transmit a reception completed packet to the transmission device, the reception completed packet indicating that at least one transmitted image packet is not received after the expiration of the timeout period detected by the timer unit.
Automatically recording supplemental content
A content provider transmits instructions to a content receiver to record multiple instances of content. The instances of content are included in the same frequency band of a broadcast transmitted by the content provider via a first communication link and scrambled utilizing the same control word. The content provider determines to supplement the multiple instances of content and transmits an instruction to record a supplemental instance of content from a second content provider via a second communication link. The content receiver receives the instructions and accordingly receives, descrambles, and stores the multiple instances of content and the supplemental instance of content. In some implementations, the first communication link may be a satellite communication link and the second communication link may be a different type of communication link such as a terrestrial broadcast communication link and/or an Internet protocol communication link.
Information processing device, information processing system, and program
An information processing apparatus that acquires first information corresponding to a position of an imaging device that captures image data, and second information corresponding to a field of view of the imaging device that captures the image data, and generates tag information based on the first and second information.
Systems and methods for translating generic requests into device specific requests based on location information
Systems and methods for translating generic requests into requests specific to user media devices selected based on location are provided. In some embodiments, a first instruction data structure containing a request for an action to be performed on media content is received from a user equipment device. A location for the user equipment device is determined and a user media device is selected based on its proximity to the determined location. Device specific information for the selected user media device is then used to determine whether the selected user media device is authorized to perform the requested action. The device specific information is also used to translate the first instruction data structure into a second instruction data structure. The second instruction data structure is then transmitted to the selected user media device and causes the selected user media device to perform the requested action.
Television delivery system
A system, device, and method for receiver access control in an interne television system uses a push mechanism to distribute access control information from a distribution device to an access device. The access device uses the access control information to make receiver access control decisions for a subsequently received request from a host to join a television channel multicast group.
System and method of implementing synchronized audio and video streaming
A server comprises a processing unit configured to interlace audio data packets with video data to form an interlaced audio/video data file having an approximately uniform audio time interval between consecutive audio data packets in the interlaced audio/video data file. The server also comprises an interrupt timer configured to provide periodic interrupt signals. The processing unit is configured to synchronize the start of transmission of each instance of the audio data packets and the video data packets with the periodic interrupt signals from the interrupt timer.
CATV video and data transmission system with RF input
Improved systems and methods for delivering CATV content over a fiber optic network from a transmitter.
Control of video decoder for reverse playback operation
A video decoder includes a mode of operation for reverse playback that includes dividing a sequence of coded video data into groups of pictures (GOPs) and further subdividing the groups of pictures into a plurality of spans. Each span is processed in reverse coding order by decoding the first key frame and any reference frames that precede the currently processed span in coding order, selecting a plurality of frames from the currently processed span for decode and display and further selecting for decode but not display any reference frames from the currently processed span that were omitted by the first selection. The method accommodates control parameters that define the number of spans selected from each GOP and the number of frames selected from each span for decoded and display.
Video decoding apparatus and method
A video decoding apparatus according to one aspect of the disclosure performs a decoding process, on a process block basis, using a motion vector of the process block and prediction information candidates of the motion vector. The video decoding apparatus includes a first prediction information candidate generating part configured to acquire the prediction information of the adjacent block to generate the prediction information candidate if motion compensation of the block is performed using the same prediction information as the prediction information of the adjacent block; and a second prediction information candidate generating part configured to add prediction information to the prediction information candidates if the number of the prediction information candidates is less than a predetermined number and two prediction information items of the prediction information candidates have the reference picture identifiers indicating the same picture, the added prediction information including an averaged motion vector of two motion vectors.
Image encoding apparatus
Provided is a moving picture coding apparatus for increasing a compression ratio of a moving picture signal while maintaining high image quality. To minimize the number of bits required for a residual block, quantized transform coefficients are adaptively divided into a plurality of subsets according to a size of a transform block, and non-zero quantized transform coefficients of each subset are scanned and encoded. Also, an intra prediction mode of the current block is determined using reference pixels obtained by filtering reference pixels of the current block. Accordingly, it is possible to minimize the amount of data required for the residual block of the current block.
System and method for error-resilient video coding
Error resilient video coding schemes that may be employed at a transmitter or transcoder to limit error propagation at the receiver. Embodiments may include the use of Inhomogeneous Temporal Multiple Description Coding (ITMDC), cross-description error concealment, and cross-description reference picture reset (RPS) as well as homogeneous and inhomogeneous temporal/spatial MDC.
Moving picture coding method and moving picture decoding method
A moving picture coding apparatus includes a counter unit which counts the number of pictures following an intra coded picture; and a motion estimation unit which compares respectively only reference pictures which are the intra coded picture or the following pictures, selected from among a reference picture Ref1, a reference picture Ref2 and a reference picture Ref3 stored in memories, with a picture signal, and determines the reference picture whose inter picture differential value is smallest.
System and method for transcoding data from one video standard to another video standard
A system and method transcodes an input video bit stream having a first encoding profile into an output video bit stream having a second encoding profile. The system includes a first module (302) and a second module (306). The system further includes a memory module (304). The first module (302) decodes the input video bit stream for generating pixel data and macroblock specifications. The second module (306) encodes the pixel data and the macroblock specifications for constructing the output video bit stream. The memory module (304) includes a first buffer module and a second buffer module. The first buffer module stores the pixel data and the second buffer module stores the macroblock specifications.
Display apparatus and controlling methods thereof
A display apparatus is provided. The display apparatus includes a display unit which outputs a plurality of content views using a plurality of image frames; an interface unit which is connected with a glasses apparatus according to a predetermined communication standard; a synchronization signal generator which generates a synchronization signal that synchronizes one of the plurality of content views with the glasses apparatus; and a controller which, when a glasses apparatus is connected, controls the display apparatus to synchronize the one of the plurality of content views with the glasses.
Systems and methods for presenting three-dimensional content using photosensitive lenses
Systems and methods are provided for presenting three-dimensional content on a display. An exemplary system for presenting a plurality of frames on a display comprises a first lens, a second lens, and an activation system. The activation system utilizes electromagnetic radiation to activate the first lens when a respective frame being presented on the display corresponds to the first lens, resulting in the first lens being substantially transparent and the second lens being substantially opaque, and to activate the second lens when a respective frame being presented on the display corresponds to the second lens, resulting in the second lens being substantially transparent and the first lens being substantially opaque.
In a system or method where three-dimensional data is acquired as a sequence of frames of data along a camera path, disparate sequences are related to one another through a number of geometric stitches obtained by direct registration of three-dimensional data between frames in the disparate sequences. These geometric stitches are then used in addition to or in place of other camera path relationships to form a single virtual stitch graph for the combined model, upon which an integrated global path optimization can be performed.
Demultiplexing for stereoplexed film and video applications
A method for demultiplexing frames of compressed image data is provided. The image data includes a series of left compressed images and a series of right compressed images, the right compressed images and left compressed images compressed using a compression function. The method includes receiving the frames of compressed image data via a medium configured to transmit images in single frame format, and performing an expansion function on frames of compressed image data, the expansion function configured to select pixels from the series of left compressed images and series of right compressed images to produce replacement pixels to form a substantially decompressed set of stereo image pairs. Additionally, a system for receiving stereo pairs, multiplexing the stereo pairs for transmission across a medium including single frame formatting, and demultiplexing received data into altered stereo pairs is provided.
Mixing infrared and color component data point clouds
The subject disclosure is directed towards mixing RGB data with infrared data so as to provide depth-related data in regions where infrared data are sparse. Infrared data, such as corresponding to point cloud data, are processed to determine sparse regions therein. For any such sparse regions, RGB data corresponding to a counterpart region in the RGB data are added to a data structure. The data structure, which may include or be concatenated to the IR data, may be used for depth-related data, e.g., with a point cloud.
Method and apparatus for providing a virtual channel service
A method and an apparatus for providing a virtual channel service are disclosed. The method includes maintaining a contents list recorded in a personal video recorder and a virtual channel information, determining a playback order of recorded contents included in the list in accordance with a preset algorithm, and playing back in sequence the recorded contents through a predetermined virtual channel. As a result, a user may approach easily to the recorded contents.
Solid-state imaging apparatus
A solid-state imaging device according to an embodiment is a solid-state imaging device in which a plurality of pixel regions are formed into a two-dimensional array isolating the pixel regions from each other by element isolation regions, including a plurality of microlenses, a plurality of color filters arranged below the plurality of microlenses, a plurality of photoelectrical conversion sections arranged below the plurality of color filters and a magnetic field generating section provided on the element isolation regions between the plurality of microlenses and the plurality of photoelectrical conversion sections.
Methods of displaying video data are disclosed. The methods generate a plurality of queries for determining from which of a plurality of video data sources video data is to be displayed and store each of the queries. One of the queries is selected for display and the selected query is matched with metadata from one or more of the plurality of video data sources. The video data from the video data sources that match the query is displayed.
Pattern dimension measurement method, pattern dimension measurement device, program for causing computer to execute pattern dimension measurement method, and recording medium having same recorded thereon
A technique for calculating the angle from an auxiliary dot sequence indicating the track of a pattern and for performing pattern measurement is provided, thereby enabling achievement of high-accuracy pattern measurement with reduced influence of the roughness of pattern edges.
Automobile theft prevention and recovery system
A security monitoring, theft (and vandalism) prevention, and recovery system for automobiles includes an exterior light housing camera, an interior passenger cabin camera bar with an interior passenger cabin camera located within, an automatic release air valve located in a valve stem of an automobile wheel and tire assembly, and an automatic seatbelt immobilizing lock located in a seatbelt latch of an automobile. Upon detection of an invasive activity, an intrusion sensor provides an activation signal to a microprocessor. The exterior light housing camera and the interior passenger cabin camera are activated by the microprocessor to provide a video signal to the microprocessor via an activation signal. The quick release air valve and the seatbelt immobilizing lock are activated by the microprocessor to release air pressure from the wheel and tire and immobilize the seatbelt latch, respectively.
System for fault detection in an internet protocol television communication system
A system that incorporates teachings of the present disclosure may include, for example, an Internet Protocol Television (IPTV) network element can have a wireless transceiver, a wireline transceiver, and a controller. The controller can be adapted to process multimedia signals received from an upstream IPTV network element, transmit the processed multimedia signals to one or more downstream IPTV network elements, monitor communications on a wireline interface capable of accessing a fault management system (FMS), and cause the wireless access transceiver to wirelessly transmit to the FMS telemetry information collected responsive to detecting one or more faults in the wireline interface. The controller can also cause the wireline transceiver to transmit to the FMS over the wireline interface the telemetry information responsive to detecting no fault in the wireline interface that impedes communication with the FMS over the wireline interface. Other embodiments are disclosed.
Using FPGA partial reconfiguration for codec applications
Various embodiments of the present disclosure enable interoperability between multiple codecs of various standards, notwithstanding that the number and type of standards in use at any particular time may vary unpredictably. A control unit, for example, a multipoint control unit (MCU) of a videoconference system, includes a partially reconfigurable programmable logic device (PLD). The PLD may include a reconfigurable region and a non-reconfigurable portion. The non-reconfigurable portion may include logic blocks for performing codec operations that are common across at least two codec standards. A selected subset a number of personas may be instantiated within the reconfigurable region of the PLD, each persona of the selected subset being compatible with at least a portion of the associated codec of at least one communication channel. The MCU selects, from between two or more personas, the selected subset of personas to be used within the reconfigurable region of the PLD.
System for generating closed captioning compatible with legacy and newer set-top boxes
A caption formatting method and computing system that receives an input video stream that includes a sequence of input transport stream packets. The method locates user data in the sequence of input transport stream packets, where the user data includes input caption data compliant with an input caption data format. The method extracts EIA-608 captions and EIA-708 captions from the input caption data, and formats the EIA-608 captions as caption data compliant with SCTE-20 format. The method creates a sequence of output transport stream packets based on the sequence of input transport stream packets, where the sequence of output transport stream packets include the caption data compliant with SCTE-20 format and the input caption data. The method sends an output video stream from the computing device, where the output video stream includes the sequence of output transport stream packets.
Automatic attachment of a captured image to a document based on context
A portable computing device for automatic attachment of a captured image to a document being displayed triggered by the act of capturing the image is disclosed. A new page is added to the current document being reviewed and displayed on the portable computing device, and then the image and metadata are attached in that new page. In other variations, the document includes metadata having a location at which images may be stored and upon capture the image, the captured image is stored at the metadata location.
Segment creation device, segment creation method, and segment creation program
A segment creation device includes: a live data acquiring unit that acquires character string data transmitted from a plurality of terminals, and acquires live data that includes the character string data and a data registration date and time; a condition input unit that causes a user to input a search condition including time zone information representing a predetermined time zone and character string information; a live data number counting unit that counts the number of pieces of live data having character string data; and a segment creating unit that creates segment data which is specified based on a starting time and an ending time of a time period.
Mobile terminal, broadcasting terminal and controlling method thereof
A mobile terminal including a display unit configured to display information; a memory configured to store channel information; a wireless communication unit configured to wirelessly communicate with a broadcasting terminal; an a controller configured to transmit a turn-on control signal to the broadcasting terminal for turning on the broadcasting terminal, and transmit the channel information to the broadcasting terminal to control the broadcasting terminal to output a broadcast content received on a broadcast channel matched to the transmitted channel information when the broadcasting terminal is turned on.
Systems and methods for providing user interfaces in an intelligent television
An intelligent television can provide various interfaces for navigating processes associated with providing content. The user interfaces include unique visual representations and organizations that allow the user to utilize the intelligent television more easily and more effectively. Particularly, the user interfaces pertain to the display of media content, electronic programming guide information, television content, and other content. Further, the user interfaces provide unique process of transitioning between the content.
Solid-state imaging device including signal connecting section and solid-state imaging device driving method
A controlling section causes a charge of a photodiode to be output to an integration circuit by bringing a readout switch into a connected state, and then brings the readout switch into a non-connected state. Thereafter, a voltage value is output to a holding circuit from the integration circuit. After carrying out the output operation mentioned above, an operation for causing a charge held in an integrating capacitive element to be discharged, and bringing the readout switch into a connected state to cause a charge held in the photodiode to be discharged and an operation for causing voltage values held in the holding circuits to be sequentially output are carried out in parallel. Accordingly, a solid-state imaging device and a method of driving it capable of solving the problems due to a memory effect, a delay effect, and switching noise are realized.
Solid-state imaging apparatus that selects among different analog signals
A solid-state imaging apparatus is provided which includes a plurality of pixels (101) arranged in a matrix for generating a signal by a photoelectric conversion, a plurality of column amplifier units (102) arranged each correspondingly to each of columns of the plurality of pixels, for outputting a first signal generated by amplifying at a first gain the signals from the plurality of pixels, and a second signal generated by amplifying at a second gain the signals from the plurality of pixels, and an analog to digital converting unit (108) for selecting one signal from the first and second signals for analog to digital conversion.
Solid-state imaging device, control method and electronic apparatus to obtain frame difference output values
A solid-state imaging device includes: a pixel array unit with pixels, each of the pixels including a photoelectric conversion element that generates a charge and a memory that holds the charge; and an AD conversion unit that converts a pixel signal corresponding to the charge output from the pixel into a count value. The pixel transfers the charge held in the memory in the nth frame and sequentially outputs, in the nth+1 frame, a first pixel signal corresponding to the charge held in the memory and a second pixel signal corresponding to a charge generated by the photoelectric conversion element after the previous charge has been transferred to the memory. In the nth+1 frame, the AD conversion unit changes its up/down count direction between the first and second pixel signals to obtain their count values so as to successively perform AD conversion on the first and second pixel signals.
Image processing apparatus, image processing method and program, and image pickup apparatus including image processing apparatus
The image processing apparatus processes an image signal obtained from an image pickup element using an image pickup optical system arranged to obtain directional traveling information of object image light corresponding to a pupil division area of a photographing lens. The apparatus includes: a unit of setting a focal position at which the refocused image is generated; and a unit of correcting an image signal of a defect pixel of the image pickup element using an image signal of other pixel. The apparatus determines the other pixel to be used for correcting the image signal of the defect pixel on the basis of the set focal position and the directional traveling information of the object image light.
Imaging sensor anomalous pixel column detection and calibration
An imaging sensor is signaled to capture a digital image of a dark scene. For each of the pixel columns in the image, a respective column value is computed that represents at least some of the pixels in the column. For each of the pixel columns in the image, a respective comparison is made between the respective column value of the pixel column and a reference value. A respective column score is computed, for each of the pixel columns, based on the respective comparison. An indication that identifies one or more of the pixel columns as anomalous is stored, when the respective column score of the one or more the pixel columns does not meet a criterion. Other embodiments are also described and claimed.
Method for controlling reflectivity in imaging system
A method for controlling reflectivity in imaging system has steps of establishing a model describing the input image is a linear combination of a body reflection and an interface reflection; eliminating the minimum component of RGB for each pixel of the input image, and adding a mean of a sum of the minimum RGB chromaticity of the pixels to the input image to be modified; using a threshold strategy to identify at least one highlight region and at least one non-highlight region in input image; reconstructing color information of the at least one highlight region and obtaining a reconstructed image considering as the body reflection; evaluating the weights of the body reflection and the interface reflection; eliminating the interface reflection term of input image and considering the body reflection term as a reference image; and controlling the LCOS reflector to modify the input image according to the reference image.
Systems and methods for detecting a tilt angle from a depth image
A depth image of a scene may be received, observed, or captured by a device. A human target in the depth image may then be scanned for one or more body parts such as shoulders, hips, knees, or the like. A tilt angle may then be calculated based on the body parts. For example, a first portion of pixels associated with an upper body part such as the shoulders and a second portion of pixels associated with a lower body part such as a midpoint between the hips and knees may be selected. The tilt angle may then be calculated using the first and second portions of pixels.
Camera system and method of detecting a stream of objects
A camera system (10), in particular a camera-based code reading system, for detecting a stream of objects (14) moved relative to the camera system (14) is provided, wherein the camera system (10) has a plurality of detection units (18) each having an image sensor and a focusing unit (20) as well as at least one control unit (30, 32) to set the focal positions of the detection units (18) in a complementary manner on a simultaneous detection of a plurality of objects (14) such that as many objects (14) as possible are detected in focus by at least one detection unit (18). In this respect, an evaluation unit (32) is provided which is configured to compose image data of the detection units (18) to form a common image.
Image pickup apparatus, method for image pickup and computer-readable recording medium
An image pickup apparatus, an image pickup method and a non-transitory computer readable recording medium are provided. The image pickup apparatus includes an image sensor including a first pixel group and a second pixel group, a controller which controls the image sensor to capture an image of an object by using the first pixel group and to capture a live view of the object by using the second pixel group, a storage which stores the image captured by the first pixel group, and an auto focusing (AF) processor which generates AF information by using the live view captured by the second pixel group.
Optical adapter for mobile media devices with a camera
An optical adapter for secure and adjustable mounting of a mobile media device having a camera lens to an optical eyepiece of an optical device. The adapter having the ability to quickly and reliably attach a mobile media device such as smart phone, iPhone, Droid, etc. to a wide range of various diameter optical devices such as binoculars, birding scopes, excavation scopes, microscopes and telescopes. The optical adapter comprises a flat base plate having a central aperture for passing light and a plurality of aligned openings, an adjustable strap which is woven within the plurality of aligned openings in order to secure the mobile media device, and an adjustable optical eyepiece attachment assembly which provides secure attachment to an optical eyepiece.
Optical imaging lens and electronic device comprising the same
An optical imaging lens set includes a first lens element to a plastic fifth lens element from an object side toward an image side along an optical axis. Each first lens and second lens element has positive refractive power. The third lens element has an image-side surface with a convex portion in a vicinity of the optical axis. The fourth lens element has an image-side surface with a convex portion in a vicinity of the optical axis. The fifth lens element has an image-side surface with a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of its periphery.
Camera module, manufacturing apparatus, and manufacturing method
A camera module includes an imaging sensor, a conductive member, a plate-like member, and a sealing member. The imaging sensor includes a light-receiving surface configured to receive light gathered by a lens unit, the lens unit including a lens and a drive section driving the lens. The conductive member is connected to the drive section for supply of power to the drive section. The plate-like member is provided with the imaging sensor and the conductive member. The sealing member is formed by sealing the imaging sensor and the conductive member, the conductive member being exposed at a connection part for connection to the drive section, the imaging sensor being exposed at the light-receiving surface.
Image capture device and signal compensating method of image capture device
The signal compensating method includes receiving sensing signals from an image sensor pixel array; converting the sensing signals into digital signals using a plurality of analog-to-digital converters, respectively; and compensating the digital signals using offset values corresponding to the plurality of analog-to-digital converters, respectively.
Creating an electronic book using video-based input
Some implementations include using a trained classifier to identify page-turn events in a video. The video may be divided into multiple segments based on the page-turn events, with each segment of the multiple segments corresponding to a pair of adjacent pages in a book. Exemplar frames that provide non-redundant data compared to other frames may be chosen from each segment. The exemplar frames may be cropped to include content portions of pages. The exemplar frames may be aligned such that a pixel is located in a same position in each frame. Optical character recognition (OCR) may be performed on exemplar frames and the OCR for exemplar frames in each segment may be combined. The exemplar frames in each segment may be combined to create a composite image for each pair of adjacent pages in the book, and OCR may be performed on the composite image.
Image forming apparatus and method for performing gradation correction in an image forming apparatus and program
If the temperature of a fixing unit is not stable when automatic gradation correction is performed, an error occurs in gradation correction when a chart for gradation measurement is output. An image forming apparatus of the present invention is characterized by including a unit configured to transfer a toner image based on image data onto a sheet, to pass the sheet through a fixing unit, and to output a first chart, a unit configured to create a conversion table for gradation correction using a value obtained by reading the output first chart, and a stabilization processing unit configured to stabilize the fixing unit by outputting a second chart before outputting the first chart when creation of the conversion table for gradation correction is instructed, wherein the stabilization processing unit outputs the second chart in a number of sheets specified in advance by a user.
Non-transitory computer-readable recording medium storing computer-readable instructions for information processing apparatus, information processing apparatus, and method for controlling information processing apparatus
An information processing apparatus may be configured to communicate with a plurality of devices. The information processing apparatus may determine an input source and an input function. The input source may be one of the devices and the information processing apparatus. The input function may be processed in the input source. The information processing apparatus may determine at least two output destinations and at least two output functions. Each of the at least two output destinations may be one of the devices and the information processing apparatus. Each of the at least two output functions may be processed in each of the at least two output destinations respectively. The information processing apparatus may output first data received from the input function to the at least two output destinations.
Function based device registration for data processing apparatus
A non-transitory computer-readable storage medium stores a set of instructions executed by a data processing apparatus. The instructions cause the data processing apparatus to: receive a selection of one function among a plurality of functions; acquire an IP address and/or a MAC address from each device possessing the selected function; display, on a display device, a name of each device from which the IP address and/or the MAC address is acquired; receive a selection of one device among the devices whose names are displayed on the display device; register, in a memory, the selected device in correlation with the selected function and in correlation with another function other than the selected function; and transmit a command for executing the selected function to the device that is registered in correlation with the selected function by using the IP address and/or the MAC address acquired from the registered device.
Electronic device that processes data received from an external apparatus
An electronic device may include a main system that can operate in a normal state and an energy-saving state, a data retaining unit that stores data, and a subsystem that may execute transmission and reception of data to and from an external apparatus. While the main system is in the energy-saving state, if the subsystem receives main dedicated specific data of pieces of main dedicated data required to be processed by the main system, the subsystem may store the main dedicated specific data. While the main system is in the energy-saving state, if the subsystem receives main dedicated data other than the main dedicated specific data from an external apparatus, the subsystem may transition the main system to the normal state and cause the main system to process the main dedicated specific data stored and the main dedicated data other than the main dedicated specific data.
A multi-function apparatus includes a body, an image reading unit, a document cover and a locking member. The image reading unit is movable between a closed position and an opened position. The document cover is movable between a closed position and an opened position. The locking member is movable to a first position and a second position and includes a first engagement portion and a second engagement portion. In response to a movement of the document cover to the opened position, the locking member moves to the first position and locks the image reading unit to the closed position. In response to a movement of the image reading unit to the opened position, the locking member moves to the second position and locks the document cover to the closed position.
Image display device and computer-readable storage medium storing a display control program
A multifunction peripheral is provided with a thumbnail image generation instruction receiving section that receives an instruction to generate a thumbnail image of a page designated by an operator, a thumbnail image generating section that generates thumbnail images of pages constituting image data, a display controller that causes the display unit to display the thumbnail image and a pop-up image indicating the pages received by the thumbnail image generation instruction receiving section, and a page designation receiving section that receives the page designated by the operator out of the pages indicated by the pop-up image. When page designation from the operator is received by the page designation receiving section, the display controller causes the thumbnail image of the received page to be displayed.
Image forming system performing communication through visible light communication and communication mode different from visible light communication
An image forming system includes an image forming apparatus having a light emitter and an information terminal performing visible light communication and normal communication with the image forming apparatus. The image forming apparatus includes a visible light output unit outputting information stored in the image forming apparatus through visible light communication using the light emitter, and an output control unit controlling operation of the visible light output unit. The information terminal includes a light receiver, and an information acquisition unit acquiring visible light communication information based on information obtained by receiving visible light with the light receiver. The information acquisition unit gives a light emission communication start request to the output control unit through the normal communication with the image forming apparatus. When the light emission communication start request is received and the visible light output unit is stopping outputting information, the output control unit allows output of information.
Handling insufficient account balance of subscribers
A system, method, and computer readable medium comprising instructions for handling insufficient account balance of subscribers in a mobile communications network is disclosed. A request for communication is received from a mobile station. A determination is made as to whether a subscriber of the mobile station has an insufficient account balance. If the subscriber has an insufficient account balance, the request is withheld and the mobile station is notified by a short message.
Cost allocation for derived data usage
A system and method that allows for information relating to data and communication resource usage to be gathered and analyzed such that particular data transactions and usage can be classified based on purpose and/or type. Further, the system and method provide reporting based on amount of usage and/or purpose or type of usage so that associated costs and usage can be calculated applied and allocated to particular accounts, divisions, groups or individuals within and outside of a company or entity. Further, the system may restrict data usage of devices to data usage that can be allocated to particular accounts based on purpose, source, destination or other.
Echo suppressor using past echo path characteristics for updating
In an echo suppressor, a frequency bin component detector compares a far-end signal amplitude spectrum with a threshold value for each frequency bin to determine whether or not each frequency bin includes a frequency component. A frequency bin echo path characteristic estimator uses the far-end signal amplitude spectrum in the frequency bins determined to have a frequency component by the frequency bin component detector and the near-end input signal amplitude spectrum of corresponding frequency bins to estimate the echo path characteristics of the frequency bins. An estimated echo signal calculation-and-echo suppressor section calculates estimated echo signals based on the echo path characteristic in each frequency bin and the far-end signal amplitude spectrum to suppress the estimated echo signals from the near-end input signal amplitude spectrum.
System and method for dynamic job allocation based on acoustic sentiments
The present disclosure relates to methods of systems for allocating a call from a user to an agent. Embodiments of the disclosure may determine a set of sentiment indicators associated with the user from one or more acoustic parameters of the call. In addition, embodiments of the disclosure may select a candidate agent to handle the call based on the set of sentiment indicators and a sentiment handling capability associated with the candidate agent. Moreover, embodiments of the disclosure may allocate the call to the candidate agent.
Methods and system for analyzing multichannel electronic communication data
A method and system for analyzing electronic communication data is provided. In one embodiment, a method includes receiving electronic customer communication data by a contact center, analyzing the electronic customer communication data by applying a predetermined linguistic-based psychological behavioral model to the electronic customer communication data, and generating behavioral assessment data by the contact center based on said analyzing, the behavioral assessment data providing a personality type for the analyzed electronic customer communication data. In one or more embodiments, electronic customer communication data may be one or more of electronic-mail data, web content data, text message data, voice over IP data, online forum data, social media data, update status, media feed, social media review, social media data stream. In other embodiments, electronic customer communication data may include data received during a customer communication with a graphical user interface for the contact center.
Method and apparatus for changing a telephone number after entry
A computerized system and related method for assisting a user with placing a telephonic call, comprising a user interface, computerized processing, and computerized storage for: a user specifying an originally-specified telephone number to place an intended telephonic call, which telephone number, as originally-specified, for at least one particular reason, cannot be used to successfully complete the intended telephonic call; the user, after specifying the originally-specified telephone number, later specifying later-specified telephone number elements, including the possible deleting or ignoring of part of the originally-specified telephone number; and causing the telephonic call to be successfully signaled using the originally-specified telephone number in combination with the later-specified telephone number elements, without the user having to re-specify the originally-specified telephone number.
Conversation recording with real-time notification for users of communication terminals
A recording device provides conversation recording with real-time notification between users of communication terminals engaged in a conversation. The recording device provides a recording start notification to a second communication terminal in response to receiving an initiate recording request from a first communication terminal, and initiates recording of the conversation. The recording device terminates recording of the conversation in response to receiving a terminate recording request from the first communication terminal, provides a recording stop notification to the second communication terminal, and saves the recorded conversation to a file in a file storage medium. The recording start and recording stop notifications can be either audible or electronic notifications. The first communication terminal may be muted prior to providing a notification, and un-muted subsequent to the notification. The recording device may obtain permission from the second communication terminal to record the conversation.
Method and system for managing contact information in a universal plug and play home network environment
The present invention provides a method and system for managing contact information in a universal plug and play (UPnP) home network environment. In one embodiment, the present invention provides a method of a telephony server (TS) for providing contact information to a telephony control point (TelCP) in a universal plug and play home network environment. The method includes receiving a request for providing contact information updates associated with at least one contact entry from the TelCP connected to the TS in an UPnP home network environment. The method further includes obtaining the requested contact information updates from an address book associated with the at least one contact entry. The method also includes providing the obtained contact information updates associated with the at least one contact entry to the TelCP.
Domain indicator tone for a calling party
A device may receive information identifying a call attempt associated with a calling device. The device may select a domain network, of a plurality of domain networks, for the call attempt. Each of the plurality of domain networks may be associated with a respective domain type. The device may identify the respective domain type associated with selected domain network. The device may cause a tone, associated with the respective domain type, to be output by the calling device to notify a user of the calling device that the call attempt is being made via the selected domain network.
Method and apparatus for handling anonymous calls
A method and apparatus at an apparatus for handling an incoming call (2:7, 3:7, 4:7) originating from an anonymous calling party(100) where the anonymous calling party calling party(100) can be identified on the basis of a personal identity assigned to the anonymous calling party(100), wherein the personal identity is assignable to the anonymous calling party(100) after a personal identity has been assigned to the anonymous calling party in response to a manually or automatically initiated assignment instruction, but without requiring any interaction from the anonymous calling party(100). The suggested method and apparatus are applicable in any type of wireless or fixed communications network which enables a calling party to register as an anonymous calling party.
Method and apparatus for implementing avatar modifications in another user's avatar
A method and apparatus that implements avatar modifications to another user's avatar from a first mobile communication device is disclosed. The method may include selecting an avatar modification to relating to a user of a second mobile communication device based on input from a user, and sending a signal to initiate transmission of selected avatar modification to at least one of the second mobile communication device, an avatar management server, and a plurality of mobile communication devices wherein the user's avatar modification may be viewed by other mobile communication device users.
Methods and systems for deflecting communications
Techniques and systems for deflecting certain types of communications are provided, including a computing device, a method, or a computer-program product. For example, a method may include displaying a graphical interface corresponding to a mobile application. The graphical interface includes a selectable phone communication link or a selectable chat link. Selection of the selectable phone communication link facilitates a telephone communication with a live resource, and selection of the selectable chat link facilitates a chat communication with a live chat resource. The method may further include receiving input corresponding to an indication of placement of a telephone call from the mobile application. It may be determined that the selectable phone communication link is used to place the telephone call. The method may further include determining a state of the selectable chat link when the selectable phone communication link was used to place the telephone call, and reporting a communication that includes data indicating placement of the telephone call and the state of the selectable chat link when the selectable phone communication link was selected.
Customized hardware selection for a mobile phone
A method of customizing hardware by an end user for a mobile phone is provided. The method includes receiving from an end-user a selection of a mobile phone shell from a set of mobile phone shells, sending to the end-user a subset of interchangeable hardware components having different functions, and receiving from the end-user a selection of at least one hardware component from the subset of interchangeable hardware components. The subset of interchangeable hardware components is generated based on a compatibility between the selected mobile phone shell and the set of available interchangeable hardware components.
Interactive electronic device packaging assemblies, methods, and systems
Interactive electronic device packaging assemblies, methods, and systems change the operational state of a packaged electronic device, for example activating a mobile phone, in response to opening of the retail package. In one embodiment, the retail package includes a hall-effect sensor mounted on one portion, a magnet mounted on another portion, and an audio playback circuit that plays prerecorded audio when the portions are separated during opening. In another embodiment, the audio playback circuit can be coupled to an audio output of the electronic device, enabling the package to function as an external loudspeaker. And in yet another embodiment, the package includes a pull-out drawer for storing accessories, such as a manual, earphones, AC adapter, USB cable, and so forth.
Apparatus and method for writing message in mobile terminal
A method and an apparatus for writing a message in a mobile terminal are provided. A method and an apparatus for simplifying movement between slides (pages) by changing the form of a slide into a collapse form when making messages that use a plurality of slides (pages) in a mobile terminal are provided. The apparatus includes a slide compressor and a message manager. The slide compressor converts an expanded slide including a message input field into a collapse slide. The message manager controls the slide compressor, and processes to output the slide converted by the slide compressor.
An electronic device and method for operating an electronic device are presented. An input for performing a predefined function is received. A lock function is deactivated to unlock the predefined function and the predefined function is displayed on a display module, if the input is received and if a correct password is entered.
System, method, and computer program for speech recognition assisted call center and self service interface
A system, method, and computer program are provided for using speech recognition to assist call center interactions with a caller. In operation, utterances are received between a caller and an agent. Additionally, speech recognition is performed on the utterances utilizing a context of the utterances. Furthermore, an interaction with the caller is assisted utilizing the speech recognition.
Shielding structure for use in an electronic device
An electronic device is provided including a mainboard having a ground; a conductive bracket coupled to the mainboard; and an elastic member coupled to the mainboard, and electrically connected with the ground of the mainboard; wherein the elastic member is in elastic contact with the conductive bracket; and wherein the elastic member is electrically connected to the conductive bracket.
Mobile terminal and touch panel operating method
[Structure] A mobile phone 10 is provided with a transparent display 30 and a first touch panel 38a is provided at a front side of the transparent display 30, and a second touch panel is provided on a rear side. A plurality of first function key (FK) and a second function key (BK) to each of which a function is made to correspond are displayed on the transparent display 30. The first function key (FK) and the second function key (BK) are the same in a size and coordinates of a key coordinates range (TA). It is possible for a user to respectively perform a touch operation to the first function key (FK) and the second function key (BK) by using two different touch panels 38 provided on the both sides (front and rear) of the transparent display 30.
Acknowledgement (ACK) type indication and deferral time determination
Certain aspects of the present disclosure provide methods and apparatus for indicating a type of response for acknowledging a protocol data unit. One example method for wireless communications by a first apparatus generally includes transmitting a physical layer convergence protocol (PLCP) protocol data unit (PPDU) to a second apparatus and setting at least one bit in a PLCP header of the PPDU to indicate a type of response expected from the second apparatus responsive to the transmitted PPDU.
According to a first aspect of the present invention there is provided an apparatus configured to classifying user traffic flows carried by a network, each user traffic flow being associated with one of a plurality of users. The apparatus comprises a classification unit 7 for classifying each user traffic flow into one of a plurality of traffic classes, a pattern generation unit 13 for generating a user pattern for each user, a grouping unit 14 for grouping the plurality of users into one or more user groups, and for identifying a user pattern within each user group that is representative of all user patterns within the user group, and an optimized classification unit 8 for identifying a user associated with a subsequent user traffic flow, determining the user group to which the user belongs, retrieving the representative user pattern of said user group, and using the traffic classes included in the representative user pattern to classify the subsequent user traffic flow.
Software upgrade using layer-2 management entity messaging
Principles, apparatuses, systems, circuits, methods, and computer program products for performing a software upgrade in a MoCA network includes receiving an image of a software upgrade at a server and sending the image in the MoCA network using an L2ME message channel to a client that is enabled to receive the image and store the image in a client memory. The image may be broken up into packets, and a sequence number may be assigned to each packet to assist the client in assembling them. CRC information may also be appended to the packets to enable the client to verify their contents.
Systems and methods for establishing or maintaining a personalized trusted social network
Automated systems and methods are provided for establishing or maintaining a personalized trusted social network for a community of users, with little or no input from any given user. To establish the personalized trusted social network, one or more trusted sources are identified for a given user. The identified trusted sources are added to a user profile for the given user. Also, identified are any annotations, bookmarks, or the like that the identified trusted sources have associated with any shared content. These annotations provide access to microcontent items that the identified trusted sources have integrated with the shared content to thereby enhance or enrich its context. One or more profiles are constructed or updated to track the associations between the identified trusted sources and their annotations. The profile information can be applied to enhance and personalize search and browsing experiences for the given user.
Host enabled management channel
A logical communication path is provided between a target virtual machine (VM) and a host or application communicating with the VM. The target VM runs on a hypervisor host that has a hypervisor and a proxy agent. The hypervisor manages execution of the VM. A mapping is maintained indicating which VMs execute on which hosts. When the host or application is to send a message or packet to the target VM, the mapping is consulted and the hypervisor host hosting the target VM is identified. The message or packet, which may identify the target VM, is transmitted to the hypervisor host. A proxy agent at the hypervisor host selects a communication channel between the hypervisor and the target VM. The hypervisor then passes the message or packet through the selected channel to the target VM.
Method and system for an on-chip completion cache for optimized completion building
A method for optimizing completion building is disclosed. The method involves receiving a work request by a host channel adapter (HCA), caching a portion of the work request in a completion cache in the HCA, wherein the cached portion of the work request includes information for building a completion for the work request, receiving, by the HCA, a response to the work request, querying the completion cache upon receiving the response to the work request to obtain the cached portion of the work request, and building the completion for the work request using the cached portion of the work request, wherein the completion informs a software application of at least a status of the work request as executed by the HCA.
System and method for automatic selection of a content format
A system and method are provided for automatically selecting one of multiple formats in which to serve a content item. The system collects data regarding content items served and user activity and/or revenue regarding those served items. These data are used to calculate performance values or scores of each format for specified factors such as destination (e.g., a web domain, a URL, a content channel), visibility (e.g., above the fold), a period of time, a vertical or type of content, and so on. When a new content request is received, the format selected for serving in response to the request is chosen based on the competing formats' calculated performances, and a suitable content item is selected. The selected format may be the format likely to generate the most revenue, may be selected by statistical sampling, or may be selected by using the performance values/scores in some other way.
Systems and methods for managing emulation sessions
A method and system for managing an emulation session of a computer product. The method and system involves receiving a request from a user device to establish the emulation session; establishing an electronic communication link between the user device and an emulation server for providing the emulation session to the user device; operating at least one server processor, the at least one server processor being in electronic communication with the user device and the emulation server and being separate from the user device processor, to determine emulation session data based on the received request and by monitoring the emulation session; to determine a plurality of emulation session parameters based on the received request; to determine a session action to be applied to the emulation session based on the plurality of emulation session parameters and the emulation session data; and to control the emulation session based on the session action.
Intelligent network management of network-related events
Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving, at the network node, an indication of an event from a network monitor, the event associated with a network element; identifying an applicable rule of a plurality of rules based on the event, the applicable rule specifying at least one action; initiating performance of the at least one action with respect to at least one session associated with the network element. Various embodiments additionally include one or more of the following: identifying a group of sessions associated with the network element; and wherein the steps of identifying an applicable rule and initiating performance of the at least one action are performed for each session of the group of sessions.
Wireless synchronization of media content and subscription content
Arrangements are provided which use a host computer to configure a wireless portable device's network connection parameters. The radio on the portable device may be used to help locate nearby accessible wireless networks. Once a synchronization relationship between the portable device and a media library on a host computer is established, periodically updated content, such as podcasts, may be discovered and subscribed to using software on the host computer, and the content synchronized with the host computer. A portable device may manage episodic content, such as podcasts, using the device's own wireless connection, and may further send such content to other portable devices. A central user profile may be set up on a web server to synchronize multiple wireless or wired devices.
Selective data migration or remapping of virtual processors to provide required data accessibility to processor cores
Selective resource migration is disclosed. A computer system includes physical memory and a plurality of physical processors. Each of the processors has one or more cores and each core instantiates one or more virtual processors that executes program code. Each core is configured to invoke a hyper-kernel on its hosting physical processor when the core cannot access a portion of the physical memory needed by the core. The hyper-kernel selectively moves the needed memory closer to a location accessible by the physical processor or remaps the virtual processor to another core.
System and method for managing digital media content
There is presented a system for managing digital media content, the system comprising a media server accessible over a communications network, the media server including a server processor. The server processor is configured to identify a first container data structure, the first container data structure including the digital media content encoded in a first encoding format. The server processor is also configured to use a digital media profile, and to extract a media file including the digital media content encoded in the first encoding format, from the first container data structure, according to the digital media profile. The server processor is further configured to assemble the media file in a second container data structure.
Capturing and processing multi-media information using mobile communication devices
Methods and devices are provided for generating and publishing multi-media information associated with actions performed on a mobile communication device. A publishing application monitors actions performed on the mobile communication device and enables selection of at least one of the actions. Content associated with selected actions may be stored and data associated with at least one of the selected actions and the content associated with at least one selected action may be extracted. The multi-media information may be displayed on a graphical user interface in a pre-selected format, such as a chronologically arranged list. Users may preview and modify the multi-media information before publication through a pre-selected communication service. The multi-media information may be published by selecting an icon, including an image identifying the pre-selected communication service. The mobile communication device generates content that users may efficiently modify and publish to a desired communication service.
SAAS network-based backup system
A system fetches consistent datasets in batches for a given period of time and provides the ability to retrieve each batch. Batches of data may be fetched for an interval of time. The present system may fetch new or changed data from different cloud/on-premise applications. It will store this data in the cloud or on-premise to build data history. As the system fetches new data, existing batches of data will not be overwritten. New batches of data are created as new versions so that change history is preserved. Past batches of data for a past time period may be provided to one or more tenants.
Systems and methods for sharing media content between users
An exemplary system includes a first user device associated with a first user and a second user device associated with a second user. The first user device is configured to detect a request input by the first user to share media content being processed by the user device with the second user, generate an invite message including data configured to be utilized by the second user device to access the media content, and send the invite message to the second user device by way of a messaging service. The second user device is configured to receive the invite message from the first user device by way of the messaging service, determine that the invite message is associated with a media sharing service, and perform one or more operations to facilitate access to the media content by the second user. Corresponding methods, systems, and apparatus are also disclosed.
Interworking between H.320/H.324 and SIP
Disclosed are a method, apparatus and system for interworking between H.320 or H.324 and SIP. The method comprises receiving a SIP message indicative of capabilities supported by a first endpoint device and deferring responding to the SIP message. The method further comprises receiving from a second endpoint device an H.320 or H.324 message indicative of the capabilities supported by the second endpoint device in response thereto responding to the SIP message thereby to establish a media communication channel between the first and second endpoint devices based on their respective capabilities.
Processing of social media for selected time-shifted multimedia content
Disclosed are methods and apparatus for processing social media posts. The methods may include certain multimedia content being identified as multimedia content for which social media posts relating to a broadcast of that multimedia content are to be stored. Using this identifying information, one or more filtering criteria may be provided for use by a filtering module. The filtering module may receive (e.g., from a social networking service) a stream of social media posts, filter the received stream to extract social media posts that relate to the broadcast of the certain multimedia content, and stores the extracted social media posts. Alternatively, a storage module may store the stream of social media posts, and a filtering module may filter the stored social media posts to identify social media posts that relate to the broadcast of the certain multimedia content.
Information processing system, information processing device
An information processing system includes at least one first information processing device and a second information processing device. The second information processing device includes: an acquiring unit that acquires a second information in which IP information assigned to a first information processing device and first information that is different from the IP information and specifies the first information processing device are associated with each other; a second storage unit that stores at least one piece of the second information; a first receiving unit that receives an input character string input by a user; and a determining unit that determines a first information processing device identified by IP information included in second information that includes first information corresponding to the input character string among the at least one piece of the second information as a first information processing device to execute a process requested from the user.
System and method for providing enterprise voice call continuity
An improved system and method are disclosed for providing voice call continuity in an enterprise network. For example, an enterprise public branch exchange (PBX) may be configured with a pilot number that is used to provide VCC services when called by a client. Digit collection via DMTF signaling or other means may be used to collect destination information from the client. The enterprise network may use the collected digits to establish a communication session with another device that corresponds to the destination information.
Systems and methods for passing network traffic content
A method for transmitting content data includes receiving content data, and passing at least a portion of the content data based on a size of the received content data. A method for transmitting content data includes receiving content data, and passing at least a portion of the content data based on a prescribed rate. A method for transmitting content data includes receiving content data, and passing at least a portion of the content data before performing policy enforcement on the content data.
Method and apparatus for enhancing communication security
A method and apparatus can be configured to transmit indicators to a network entity. The indicators indicate whether security will be applied to a media data, whether security will be applied by an application layer, and whether security will be applied by an evolved-packet-system layer. The method can also include transmitting the media data to the network entity.
System and method for a security asset manager
Implementations of the present disclosure involve a system and/or method of performing security asset management. The system and/or method may schedule vulnerability scanners to scan the various portions of one or more networks and obtain the results of the vulnerability scans. IP addresses may be assigned to each of vulnerability scanners to scan. The system obtains the results of the vulnerability scans and may adjust the results of the scans according to configuration of the one or more networks that an IP address is associated with. The system and/or method may also assign and reassign IP addresses amongst the scanners to optimize scanning speed.
Domain classification based on client request behavior
Systems and methods for domain classification using the network request behavior of clients are provided. The network requests of a plurality of clients are analyzed to determine a domain corresponding to each request. This information can be used to associate a set of domains with each individual client. Because of the reciprocal nature of a network request, the information is also used to associate a set of clients with each individual domain. Within the plurality of domains associated with the plurality of clients, there may exist known domains having a classification and unknown domains having no classification. Based on the correlation of clients and domains from their respective associations, the system generates domain classification information for at least one of the unknown domains.
Cyphertext (CT) analytic engine and method for network anomaly detection
In a cyphertext (CT) network, a method for detecting anomalies comprising analyzing cyphertext data flows within the CT network where the CT network includes one or more encryption devices for encrypting plaintext data packets into cyphertext data packets such that the cyphertext data flows are directed to one or more destination devices. The cyphertext data includes multiple CT data packets and each CT data packet includes header information where each header includes source address information, destination address information and differentiated service code point (DSCP) information representative of traffic class information. The method further includes analyzing the traffic class information of each header, including using maximum entropy estimation for detecting one or more anomalies within the traffic class distribution of each flow based on the header information for that traffic class.
Method and system for alert classification in a computer network
A method and a system for classification of intrusion alerts in computer network is provided. The method comprises the steps of monitoring traffic data in a computer network, detecting an intrusion, providing an intrusion alert and data in relation to the intrusion alert, generating a statistical analysis of the data in relation to the intrusion alert and classifying the intrusion alert based on said statistical analysis. The intrusion alerts and the data in relation to an intrusion alert may be generated by anomaly-based intrusion detection system. The generating a statistical analysis may comprise generating information about a statistical distribution of n-grams in the data. The classification may comprise comparing the statistical analysis with a model analysis of intrusion alerts with predefined alert classes. This model may be generated by providing a training set of data in relation to alerts, generating a model statistical analysis of said data, predefining at least two alert classes, and assigning predefined alert classes to the statistical analysis, based on information provided by a signature-based intrusion detection system, or by a human operator.
Cross-domain object models for securely sharing information between network security domains
Techniques are described for controlling transfer of information in a secure manner across multiple network security domains. As described herein, cross-domain sharing may be facilitated by use of a common model that is shared by participants from the different network security domains. An example system is described in which a plurality of network domains comprises a respective set of client computing devices. A cross-domain object model specification specifies object classes for cross-domain objects accessible to the client computing devices. For each of the object classes, the cross-domain object model specification defines a plurality of data fields and specifies which of the data fields of the respective object class can be exposed to each of the respective network domains. A protected object repository positioned within each of the network domains stores an authorized portion of each of the cross-domain objects in accordance with the cross-domain object model specification.
Trusted security zone communication addressing on an electronic device
A method of communicating with a computing device having a trusted security zone comprises mapping a unique identifier for a computing device with a trust zone access control (TZAC) address, composing a message comprising the trust zone access control address, and routing the message to the computing device based on the unique identifier. The computing device comprises a normal security zone and a trusted security zone that is separate from the normal security zone, and the trust zone access control address is a unique identifier associated with a hardware component of the trusted security zone within the computing device. The message is internally routed to the trusted security zone within the computing device using on the trust zone access control address.
System and method for tracking network traffic of users in a research panel
A network access device directs an electronic device, distinct from the network access device, to display graphical user interface, the graphical user interface comprising a network access self-identification user interface. The network access device obtains a selection of a user identification option, through the self-identification user interface. In accordance with a determination that the selected user identification option corresponds to a registered user (e.g., a registered user in a research panel), of a previously defined set of registered users of the network access device, the network access device enables access to a communications network, in accordance with the application of one or more logging rules corresponding to the selected user. Further, in accordance with a determination that the selected user identification option corresponds to an unregistered, guest user, the network access device enables access to the communications network, without the application of any logging rules.
Maintaining privacy in a multi-tenant cloud service participating in a federated identity platform
Embodiments conceal or obfuscate tenancy in a multi-tenant cloud service participating in a federated identity platform. A cloud service receives a request for a document from a first entity. The request includes an identifier associated with a second entity. The identifier is compared to a set of tenant identifiers each corresponding to one of the tenants to determine whether the second entity is one of the tenants. Based on the determination, a fictitious response is generated and sent to the first entity. In some embodiments, the document conforms to identity management protocols such as the Security Assertion Markup Language (SAML) specification and the OpenID brand software.
System and method for managing information technology models in an intelligent workload management system
The system and method described herein for managing information technology models in an intelligent workload management system may include a computing environment having a model-driven, service-oriented architecture for creating collaborative threads to manage workloads. In particular, the management threads may converge information for managing planned changes and recovery processes for version-controlled snapshots of the information technology models. For example, a discovery engine may enrich models of an infrastructure with identity information obtained from an identity vault and the infrastructure itself, and a management infrastructure may then manage planned changes to the infrastructure model. In particular, the management infrastructure may construct implementation plans that coordinate interaction between managed entities to implement the planned changes, and may further detect drifts between operational states and planned states for the infrastructure models.
Method and apparatus for authenticating multicast messages
The last link in an initialization hash chain, calculated by a transmitter based on its anchor value, is distributed as an initialization function value to a receiver in an initialization phase. Subsequently, a multicast message is received and stored by a receiver and an authentication key release message, containing a cryptographic authentication key, is received from the transmitter by the receiver. A cryptographic function value h, calculated by the receiver for the cryptographic authentication key using a prescribed cryptographic function, is compared with the initialization function value to check the validity of the cryptographic authentication key in the authentication key release message. The multicast message is authenticated by the receiver using the cryptographic authentication key which has been recognized as valid.
Communication apparatus and communication method
According to an embodiment, a communication apparatus includes a security control unit. The security control unit establishes first and second secure communication channels to a first server which manages communication security keys and second server which provides a service regarding a smart meter, respectively when operation to the smart meter is started, performs mutual authentication with the first server and acquire a first key from the first server via the first secure communication channel, and relays mutual authentication with the first server and acquisition of a second key from the first server via the first secure communication channel for the smart meter.
System and method for accessing integrated applications in a single sign-on enabled enterprise solution
A method for performing access management to facilitate a user to access applications in a single sign-on enabled enterprise solution is provided. A challenge token and a response token are transmitted between a server and a client. The challenge token and response token comprises one-way hashed data. The response token is verified at the server and the client to authenticate the user. Further, a request for service token is transmitted between the server and the client. The request for service token is encrypted at the client and decrypted at the server using a unique session key negotiated between the server and client. A service token is generated and transmitted between the server and the client. The service token is encrypted and decrypted at the server using a secret key to verify the service token. Based on the verification, the requested applications are rendered on client based user interface.
Varying home network encryption techniques
A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The system determines a bit error rate of the premises communication network, transfers the multimedia content from the source device to the rendering device, and when the bit error rate exceeds a bit error rate threshold, the system at least partially disables link layer encryption of video frames of the multimedia content transfer. With the link layer operations at least partially disabled, the system can enable, at least partially, content layer encryption operations for the transfer of the multimedia content from the source device to the rendering device.
Tracking electronic content
A method of tracking electronic content includes producing a file of electronic content and executable instructions that collect notification information and attempt to transmit the notification information to an address when triggered by an event. The executable instructions deny access to the electronic content until the notification information is transmitted successfully.
Application acceleration as a service system and method
Disclosed are systems and methods to provide application acceleration as a service. In one embodiment, a system includes a head office to serve an enterprise application comprised of a collaborative document. The system also includes a branch office to request the collaborative document from the head office. The enterprise application may also include a computed document and/or a static document. In addition, the system also includes a set of Point of Presence (POP) locations between the head office and the branch office to communicate the collaborative document, the computed document and the static document on behalf of the head office from a closest POP location to the head office to a closest POP location to the branch office and then onward to the branch office.
Systems and methods for secure remote access
Embodiments of the disclosure can include systems and methods for secure remote transfers. The onsite monitoring system secure file transfer solution can allow for transferring operational data by an onsite system behind a firewall to a central monitoring and diagnostic infrastructure by sending asynchronous, concurrent, parallel files over a port using a previously opened connection. The asynchronous TLS tunneling based remote desktop protocol solution is uni-directional because the communication ports are typically open outbound only.
Scalable security services for multicast in a router having integrated zone-based firewall
A multicast-capable firewall allows firewall security policies to be applied to multicast traffic. The multicast-capable firewall may be integrated within a routing device, thus allowing a single device to provide both routing functionality, including multicast support, as well as firewall services. The routing device provides a user interface by which a user specifies one or more zones to be recognized by the integrated firewall when applying stateful firewall services to multicast packets. The user interface supports a syntax that allows the user to define subsets of the plurality of interfaces associated with the zones, and define a single multicast policy to be applied to multicast sessions associated with a multicast group. The multicast policy identifies common services to be applied pre-replication, and exceptions specifying additional services to be applied post-replication to copies of the multicast packets for the one or more zones.
Authentication method for stateless address allocation in IPV6 networks
The authentication method for stateless address allocation in IPv6 networks provides a P2P trust-verification approach for identifying a rogue node. Alternatively, the authentication method provides an information hiding scheme to avoid being plagued by rogue nodes. In both cases, the authentication method is embodied in a computer software product having machine readable code.
System and method for short message services to instant messaging conversion
Implementations of the present disclosure involve a system and method for federating communications between a first network that transmits and receives messages formatted in a first format and a second network that transmits and receives messages formatted in a second format. The system and method are configured to receive a message from the first network formatted in the first format. The system then converts the message into a unified format that may be sent to the second network. After receiving the message in the unified format, the message may then be converted into the format of the second network and sent on the second network like any other message on the second network.
Computer-implemented method for posting messages about future events to users of a social network, computer system and computer-readable medium thereof
The present disclosure relates in general to social networks run in a computer environment and in particular to methods and systems for posting messages about future events to users of a social network who are registered users of the social network, preferably in accordance with selectable, pre-selectable or adjustable settings for individual users. The method and system allows a user to post a message about a future plan or event that is taking place at a specified time rather than the time that the message is sent. The approach according to the present disclosure is directed to a unique way of social networking via an ordered list of events, such as a timeline or calendar, that shows when future plans will take place, and to a ‘matchmaking’ service between people organizing or taking part in such an event and other users who may also be interested in that event.
Receiving email attachments when a mailbox is full
Within a system comprising a processor and a memory, a method of sending an attachment of a first electronic mail (email) to a recipient. The method includes receiving the first email addressed to the recipient and, via the processor, determining whether a volume of data contained in the recipient's electronic mailbox has reached a threshold level. When the volume of data has reached the threshold level, via the processor, establishment of an instant messaging session with an instant messaging client associated with the recipient can be initiated. The attachment can be caused to be attached to an instant message. Sending of the instant message to the instant messaging client associated with the recipient can be initiated.
Dynamic invites with automatically adjusting displays
Methods, devices, systems, and non-transitory processor-readable storage media for providing a collaboration tool for soliciting responses from users, including operations for receiving at a computing device a request from a user, transmitting to a plurality of computing devices an invitation message that causes the plurality of computing devices to render a display that solicits a response to the request, receiving a response message related to the request from at least one of the plurality of computing devices, evaluating the received response message to determine whether the received response message fulfills the request, and transmitting to the plurality of computing devices a cancellation message in response to determining that the received response message fulfills the request, the cancellation message configured to cause the plurality of computing devices to perform operations to automatically clean-up the display that solicits the response to the request.
System and method for a messaging interface
Computer-implemented systems and methods for a simplified messaging interface are provided for allowing users to initiate and engage in messaging conversations. In some embodiments, the systems and methods reduce the overhead involved in initiating and/or engaging in messaging conversations. In addition, the messaging interface may allow users to initiate and/or engage in conversations without having to open a separate standard messaging window for every conversation. Further, the simplified messaging interface may be used in conjunction with a standard messaging interface.
Methods of routing messages using a listener registry
A method of routing messages may include providing a listener registry of a plurality of listeners and associated namespaces so that at least one namespace is associated with each of the plurality of listeners. A message may be received from an originating application, and the message may include a message namespace. The message may be stored in a message queue, and a determination may be made to determine if a listener from the listener registry is associated with the message namespace. If no listener from the listener registry is associated with the message namespace, the message may be stored in a parked message queue separate from the message queue. After the message has been in the parked message queue for a predetermined period of time, the message may be deleted from the parked message queue.
Consistent interface for appointment activity business object
A business object model, which reflects data that is used during a given business transaction, is utilized to generate interfaces. This business object model facilitates commercial transactions by providing consistent interfaces that are suitable for use across industries, across businesses, and across different departments within a business during a business transaction. In some operations, software creates, updates, or otherwise processes information related to an appointment activity business object.
Method and apparatus for dynamic media access control in a multiple access system
An electronic device may be operable to control access to a physical medium (e.g., airwaves, a copper cable, or an optical fiber) utilizing carrier sense multiple access (CSMA). The amount of time that the electronic device must sense the physical medium as being inactive before it permits transmission of a message onto the physical medium may be determined based on: the size of the message, the type of the message, the symbol rate at which the message is to be transmitted, and/or a channel onto which the message is to be transmitted. Similarly, other aspects of how and when electronic device transmits and/or receives on the physical medium may be controlled via one or more dynamically configurable parameters which may be configured based on characteristics of received and/or to-be-transmitted messages.
Request routing in a networked environment
A system, methods, and interfaces for managing request routing functionality associated with resource requests for one or more resources associated with a content provider. The request routing functionality can correspond to the processing of domain name service (“DNS”) requests for resources by computing devices and the resolution of the DNS requests by the identification of a network address of a computing device that will provide the requested resources. Unlike traditional CDN service provider implementation, the processing of resource requests by the service provider is separate from the delivery of the content by the content provider (or on behalf of the content provider).
Method and apparatus for data traffic distribution among independent processing centers
A method and apparatus for assigning processing requests is disclosed. The method is typically used in a processing system comprising a first processing center and one or more second processing centers remote from the first processing center, a. A method of assigning a processing request may comprise the steps of: determining at a traffic distribution controller a capacity of each of the processing centers to process the processing request, accepting a processing request in the first processing center, and assigning the processing request to at least one of the second processing centers according to the determined current capacity of each of the processing centers. The processing request is initially addressed to a first global address of the first processing center, then the processing request is readdressed to a second global address of one of the second processing centers.
Link rate availability based arbitration
The disclosure is directed to a system and method for managing connections across a plurality of phys including at least one phy having a first link rate and at least one phy having a second link rate. At least one connection request including a selected link rate is received from an initiator. An arbitration in progress (AIP) delay is provided when at least one phy having the selected link rate or higher is not available. During the AIP delay, a link manager continues to check for a phy having the selected link rate or higher. The link manager completes the connection request if a phy having the selected link rate or higher becomes available before the AIP delay ends.
Methods, systems, and computer readable media for updating sequence and acknowledgment numbers associated with replay packets
Methods, systems, and computer readable media for updating sequence and acknowledgment numbers associated with replay packets are disclosed. In one example, a method includes generating, at a sending peer node, a replay packet that includes a payload associated with a capture file packet and accessing, in the sending peer node, a sequence-differential (SEQ-DIFF) list using an original sequence number associated with the replay packet. The method further includes traversing entries in the SEQ-DIFF list, wherein each of the entries includes a sequence number and a payload length differential value, applying, for each traversed entry in the SEQ-DIFF list, the payload length differential value to the original sequence number to determine an updated sequence number for the replay packet, and transmitting, from the sending peer node to a receiving peer node, the replay packet that includes the updated sequence number.
Path selection for network service requests
In a method for directing a computer network request to process through one or more components, a processor identifies a plurality of input/output (I/O) paths capable of serving a computer network request and a plurality of components along each path of the plurality of I/O paths. A processor predicts resource demands at each respective component of the plurality of components along each path of the plurality of I/O paths. A processor estimates expected delay times at each respective component of the plurality of components along each path of the plurality of I/O paths using predicted resource demands at each component. A processor determines an expected delay time for each path of the plurality of I/O paths based on the expected delay times at each respective component of the plurality of components along each path of the plurality of I/O paths.
Physical uplink control channel (PUCCH) resource allocation (RA) for a hybrid automatic retransmission re-quest-acknowledge (HARQ-ACK) transmission
Technology to provide physical uplink control channel (PUCCH) resource allocation in time division duplex (TDD) for a hybrid automatic retransmission request-acknowledge (HARQ-ACK) transmission in a subframe n is disclosed. In an example, a user equipment (UE) can include first circuitry configured to detect a downlink control channel within a prior specified subframe that is received in time before the subframe n. The UE can include second circuitry configured to: determine that the downlink control channel detected within the prior specified subframe is one of a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (EPDCCH); and determine one of a legacy PUCCH resource for the HARQ-ACK transmission when the downlink control channel detected within the prior specified subframe is the PDCCH or an enhanced PUCCH resource for the HARQ-ACK transmission when the downlink control channel detected within the prior specified subframe is the EPDCCH.
Method and system for processing network traffic flow data
Network traffic flow records received from a network probe are recorded in multiple sets of buckets of different granularity, optimized for the purpose of almost instant analysis and display as well as for longer term report generation. The flow data is pre-processed and stored redundantly in parallel in multiple bucketized data base tables of different time window sizes. Denormalized tables keyed on different combinations of traffic flow attributes are precomputed and stored in parallel tables redundantly to facilitate a near real time display of summarized network traffic data, and a capability to rapidly generate reports for different monitoring periods.
MAC aggregation with message multiplicity for use in a multi-node data network
A MAC aggregation technique utilizing a large field addition operation is disclosed. The large field addition operation defines the addition of two or more MACs mod p, where the two or MACs may comprise constituent MACs or aggregate MACs, and where p is a prime number that is large relative to the size of the MACs. The disclosed MAC aggregation technique yields an aggregate MAC much shorter than the concatenation of constituent MACs while achieving security even in the case where constituent MACs may be aggregated in duplicate.
Adaptive data transmission
Methods, program products, and systems implementing adaptive data transmission are disclosed. A universal data collector can act as an intermediary between a log producer and a log processor. The universal data collector can be connected to the log producer through a first, reliable network. The universal data collector can be connected to the log processor through a second, less reliable network. The universal data collector can perform a multi-phase commit of data to ensure that the log data are saved by the log processor. The universal data collector can smooth the data transmission from the universal data collector to the log processor through a network, including adaptively buffering the log data according to available network bandwidth of the network.
Transitioning between communication protocols between networks
A method is provided in one particular example and may include obtaining routing information for a natively supported Internet protocol of a first network that uses a first routing policy; identifying a route with a tunnel endpoint using the routing information, where the tunnel endpoint supports transitioning between a plurality of Internet protocols; generating tunnel information for the route; and sending the route and the tunnel information to a network element in a second network that uses a second routing policy.
Communications over multiple protocol interfaces in a computing environment
According to one aspect of the present disclosure a system and technique for communications over multiple protocol interfaces in a computing environment is disclosed. The system includes a processor and logic executable by the processor to: identify a network interface for egress data packet communications; responsive to the identified network interface differing from a data packet fragmentation technique desired for the data packet communications, derive fragmentation data according to the desired data packet fragmentation technique; generate an application layer header for the data packet communications; store values of the fragmentation data in select fields of the application layer header; fragment the data packet communications according to the desired data packet fragmentation protocol; and transmit the data packet communications including the application layer header over the identified network interface.
Inter-medium bridging with inter-domain routing and multi-medium domain coordination
Various embodiments of inter-medium bridging are provided. In one aspect, a method may involve an inter-medium bridging device bridging between a plurality of mediums of a network connected to the first inter-medium bridging device at the Data Link Layer of the Open Systems Interconnection (OSI) model. The plurality of mediums may comprise at least a first medium and a second medium that comprise separate communications channels. The method may also involve the inter-medium bridging device facilitating communications between an external device and the network through an application interface of the first inter-medium bridging device.
Method for fast connectivity fault management [CFM] of a service-network
This invention is related to a method for Fast Connectivity Fault Management (CFM) of a service-network in the realm of Carrier Ethernet, comprises steps of: learning spanning tree topology of the service-network, exchanging Fast Connectivity Check Messages (Fast-CCM)s between the adjacent service-nodes of the tree, terminating the Fast-CCMs so received, to learn the fault, in the service-network, upon failure to receive a Fast-CCM through a service-port, and pro-actively notifying the fault by service nodes on either side of the faulty service-network.
Task processing utilizing queues
A system includes a plurality of queues configured to hold tasks and state information associated with such tasks. The system further includes a plurality of listeners configured to query one of the plurality of queues for a task, receive, in response to querying one of the plurality of queues for a task, a task together with state information associated with the task, effect processing of the received task, and communicate a result of the received task to another queue of the plurality of queues, the another queue of the plurality of queues being selected based on the processing of the received task.
Distributed forensic investigation
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for distributed forensics analysis. In one aspect, a method includes sending one or more requests to a client as part of a serialized flow for performing forensics analysis associated with the client; suspending the serialized flow at a first state; receiving responses to the one or more requests; resuming the flow at the first state to process the received responses; and advancing the serialized flow to a second state.
Master device for calculating synchronized actuation time of multiple slave devices and method for controlling the same
A master device for calculating a synchronized actuation time for an N number of slave devices (N being an integer greater than or equal to 2) includes: a transmitting part configured to transmit a request message a K number of times (K being an integer greater than or equal to 2) to each of the N number of slave devices, where the request message includes an actuation command; a receiving part configured to receive a reply message from each of the N number of slave devices, where the reply message includes information on a K number of end-to-end delay times; and an absolute-time calculating part configured to calculate an absolute time for concurrently actuating the N number of slave devices by using the information on the K number of end-to-end delay times received from each of the N number of slave devices.
Integrated adaptive anycast for content distribution
A system includes first and second cache servers a domain name server, and a route controller. The cache servers are each configured to respond to an anycast address. Additionally, the first cache server is configured to respond to a first unicast address, and the second cache server is configured to respond to a second unicast address. The router controller configured to determine wither the status of the first cache server is non-overloaded, overloaded, or offline. The route controller is further configured to instruct the domain name server to provide the second unicast address when the status is overloaded or offline, and modify routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server is configured to receive a request from a requestor for a cache server address. Additionally, the domain name server is configured to provide an anycast address to the requestor when the status of the first cache server is non-overloaded, and provide the second unicast address to the requestor when the status of the first cache server is offline or overloaded.
Detection and handling of aggregated online content using decision criteria to compare similar or identical content items
A computer-implemented method is presented herein. The method obtains a first content item from an online source, and then generates a characterizing signature of the first content item. The method continues by finding a previously-saved instance of the characterizing signature and retrieving data associated with a second content item (the second content item is characterized by the characterizing signature). The method continues by analyzing the data associated with the second content item, corresponding data associated with the first content item, and decision criteria. Thereafter, either the first content item or the second content item is identified as an original content item, based on the analyzing. The other content item can be flagged as an aggregated content item.
System and method for linking multiple devices into a single profile when making online purchases
Disclosed are systems, methods, and computer program products for simplifying the use of an online service by linking different devices into a single profile when making online purchases. An example method comprises determining that the user has begun working with the online service; determining the device that the user is employing to work with the online service; determining whether the device is new or not by checking a user profile; when the device was not determined as being known in the user profile, adding the device to a user profile associated with the user; and downloading all necessary data from the user profile to the online service.
Automatic web service monitoring
According to various embodiments, the present invention provides live site performance monitoring in the context of logical resource hierarchies found in cloud computing systems. In particular, in one embodiment, the system of the present invention facilitates monitoring of new computing services without necessarily requiring explicit knowledge about such new services. Such services can include, for example and without limitation, those provided using a Representational State Transfer (REST) architecture, although the techniques described herein can also be used with other architectures. In one embodiment, the system of the present invention operates by automatically creating groups of items for performance monitoring, based on the hierarchy of a URI. Heuristics can be used to determine aggregatable hierarchy nodes.
Methods and apparatus for providing a media stream quality signal
Systems, methods and apparatus are provided for computing quality scores for a media session delivered using an adaptive streaming protocol, where the quality score may be an estimate of a mean opinion score. The quality score reflects the impact of network delivery on a viewer's quality of experience (QoE). In particular, the quality score is generally based on the effects of stream switch events, as stream switches may be the result of impaired network delivery. Other network events, such as re-buffering events may also be incorporated in the score.
System, device, and method for a voiding bandwidth fragmentation on a communication link by classifying bandwidth pools
A method and system for routing a connection on a communication network. A first bandwidth pool is classified as a long lived bandwidth pool and a second bandwidth pool is classified as a short lived bandwidth pool. The long lived bandwidth pool is used to route connections having a duration that are expected to equal or exceed a predetermined time. The short lived bandwidth pool is used to route connections having a duration that are not expected to exceed the predetermined time. A request to route a connection on the communication network is received. At least one characteristic of the connection is determined and is used to determine whether to route the connection on the long lived bandwidth pool or short lived bandwidth pool.
Systems and methods for data loss prevention
A computer-implemented method for data loss prevention may include 1) identifying a file hierarchy within a file system (where, e.g., the file hierarchy includes a plurality of files and folders), 2) identifying a defined file hierarchy structure that is associated with a data loss prevention policy (where, e.g., the defined file hierarchy structure identifies the relative locations of files and folders), 3) determining that the file hierarchy is implicated in the data loss prevention policy by determining that the defined file hierarchy structure corresponds to the file hierarchy, and 4) applying the data loss prevention policy to at least a portion of the file hierarchy based on determining that the file hierarchy is implicated in the data loss prevention policy. Various other methods, systems, and computer-readable media are also disclosed.
Push button configuration of devices
Systems and methods for push button configuration of devices are provided. One system comprises one or more circuits configured to determine that a configuration button on the second device has been activated and determine whether a configuration button has been activated on a first device or a third device within a time interval from a time at which the button on the second device is activated. The circuits are configured to, in response to determining that the configuration button has been activated on either the first device or the third device within the time interval, allow the second device to be authenticated. The circuits are configured to, in response to determining that the configuration button has not been activated on either the first device or the third device within the time interval, prevent admission of the second device. The network may be a wired network, such as a MoCA network.
Parallel operation of RSTP and MRP and segmentation coupling
At least two different redundancy protocols are operated in parallel by network devices in an Ethernet network. Control is determined and assigned to one of two protocols to have total control over which ports in the network devices are active and which are blocked for transmission of user data and network data network traffic while allowing all control and monitor traffic to traverse the ring of network devices. Control and monitoring packets are transmitted by RSTP packets through all of the network devices in the ring while restricting the data ports of the network devices to transmit user data and data network traffic to the network devices connected in the line of the network devices. Parameters received in RSTP packets are collected from all of the network devices in the ring in order to determine which network device of the network devices is a virtual root bridge.
System and method for storing and retrieving channel data
In one embodiment, a method includes, for each of a plurality of channels at a well site, converting channel data from a source data format to a common data format in real-time as the channel data is generated. The common data format includes a plurality of elements organized into a plurality of sets. Each element includes a minimum collection of fields. The method further includes, for each of the plurality of channels, storing the converted channel data in a data store as part of the at least one element.
Method and device for sensing frequency for OFDM systems
Provided is a frequency sensing method and apparatus in an orthogonal frequency division multiplexing (OFDM) system. Provided is a method of sensing a frequency of a received signal that is received from an outside in order to perform one of a plurality of radio communications. An OFDM apparatus may need to inspect a required frequency band before or after performing one of the plurality of radio communications, and to determine whether the frequency band is being used by another radio communication.
Method and apparatus for compensating for frequency errors between base station and mobile station
Methods and apparatuses for compensating for frequency mismatch between a base station and mobile station are disclosed. At a first oscillator, a fixed reference oscillation signal is generated. At a second oscillator, a baseband oscillation signal is generated. A frequency divided version of the baseband oscillation signal is locked to a frequency divided version of the first reference oscillation signal. At a third oscillator, a first RF oscillation signal is generated. A frequency divided version of the first RF oscillation signal is locked to the frequency divided version of the second reference oscillation signal. A frequency adjustment signal is inputted to the second and third oscillators. At the second and third oscillators, frequency errors of the baseband oscillation signal and first RF oscillation signal, respectively, are compensated based on the frequency adjustment signal.
Multilevel signal transmission system capable of transmitting multilevel data signal without signal distortion and correctly determining voltage level
A multilevel signal transmitting apparatus determines a voltage level indicating an original data signal, and generates a multilevel data signal including a plurality of unit time intervals each having the determined voltage level. The multilevel signal transmitting apparatus assigns an even number of voltage levels to each unit time interval, assigns a smaller number of voltage levels than a maximum number of voltage levels, to a unit time interval next to a unit time interval to which the maximum number of voltage levels are assigned, and determines one of the assigned voltage levels, as the voltage level indicating the original data signal. A multilevel signal receiving apparatus detects the voltage level of the multilevel data signal, and reproduces the original data signal, based on the assigned voltage levels and the detected voltage level.
Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends
A pre-distortion method. A signal to be transmitted Tx is pre-distorted to compensate for nonlinearities of a transmitter. The pre-distorted signal is filtered by an EBEE filter and a baseband filter. The EBEE filter has a filter characteristic of that cancels the baseband filter response over the range of frequencies from a first corner frequency of the baseband filter to a frequency of N*fB where N is a highest order of distortion component being cancelled and fB is the bandwidth of the original signal to be transmitted. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
Digital wideband closed loop phase modulator with modulation gain calibration
One embodiment of the present invention relates to a modulation system having a phase locked loop and an adaptive control. The phased lock loop is configured to receive an input signal and an adaptive signal. The input signal is an unmodulated signal, such as a phase component or phase signal. The phase locked loop is also configured to provide an error signal and an output signal. The error signal indicates one or more modulation errors. The output signal is a modulated version of the input signal that has been corrected using the adaptive signal to mitigate the one or more modulation errors.
Equalizer and semiconductor device
An equalizer includes a first discrimination circuit to receive an input signal corresponding to a signal output from a transmit-side equalizer to binarize the input signal by a first threshold value in unit time, a second discrimination circuit to binarize the input signal by a second threshold value in unit time, a first delay circuit to delay an output signal of the first discrimination circuit and that includes N-number (N>=2) of stages of unit delay circuits connected in cascade and operating in unit time, a second delay circuit to receives an output signal of the second discrimination circuit and that includes not less than an (N+1)-number of stages of unit delay circuits connected in cascade and operating in unit time, and a control unit that receives an output of the first delay circuit, and a second output signal output from the second delay circuit.
Method for acquiring and processing signals
A signal acquisition and processing method includes a step of acquiring signals in at least two acquisition channels (A1, A2, . . . , AN); a step of detecting the acquired signals in at least two detection channels (V1, V2, . . . , VN) associated respectively with the two acquisition channels; a step of distributing the detected signal or signals that result from the detection step in at least one computing tile available in a set of computing tiles; a step of storing the detected signal or signals in the computing tile or tiles; and a step of processing the signals stored in the computing tile or tiles in order to obtain data characteristic of the detected signals. The method can apply to the acquisition and processing of non-deterministic data (nuclear instrumentation, laser instrumentation, radar detection, etc.).
Wireless communication device and wireless communication system
There is provided a wireless communication device which transmits data to destination nodes by time division multiplexing. The device includes: a storage section including a transmission queue region that stores unsent data therein; a communication controller including: a communication situation evaluating section configured to evaluate a communication situation of each of the destination nodes; and a communication slot controller configure to: allocate, in the plurality of communication slots, communication slots for data transmission to the respective destination nodes, retransmission slots for retransmission of the unsent data, and auxiliary retransmission slots for retransmission of the unsent data subjected to a specified destination node, the specified destination node being determined based on the communication situation; and allocate the respective unsent data to a corresponding one of the retransmission slots and the auxiliary retransmission slots based on a given condition.
Message transmission in networks
Embodiments generally relate to message transmission in networks. In one embodiment, a method includes enabling a user to provide shortest path bridging (SPB) configuration information. The method also includes receiving the SPB configuration information from the user. The method also includes sending the SPB configuration information to an edge server device.
Intelligent network communication device in an audio video distribution system
This disclosure describes an intelligent network communication device in an audio video distribution system that uses a local area network that includes a network speaker node; an audio input device that receives the analog audio signal and that couples to a network speaker node through a speaker/microphone driver; and an audio output device that transmits the analog audio signal and that couples to the network speaker node through the speaker/microphone driver. The network speaker node further includes a controller with a network interface that couples to the local area network, where the controller further comprises an embedded controller with memory and which is programmed to function as a web server. The network speaker node further includes a digital signal processor that couples to the controller. And, the network speaker node further includes a speaker/microphone driver that couples to the digital signal processor.
Docking station with redundant communication path
A docking station adapted to receive a touch-sensitive portable control device for communication with a programmable multimedia controller is provided. The docking station has a dedicated, wired redundant communication path coupling the docking station to the programmable multimedia controller for providing effective communication in the absence of wireless or unreliable wireless communications. The docking station is configured to receive signals from the portable control device and to bi-directionally transmit signals to and from said programmable multimedia controller. The portable control device has both wireless and wired compatibility, which includes a touch sensitive user interface configured with configuration information for allowing a user to make selections and enter settings regarding components interfaced with the programmable multimedia controller. The docking station converts the user entered signals into IP messages suitable for transfer over the dedicated, wired redundant communication path.
Cross-client sensor user interface in an integrated security network
An integrated system includes a system user interface (SUI) that provides an iconic, at-a-glance representation of integrated security system status. The SUI is for use across all client devices including mobile or cellular telephones, a mobile portal, a web portal, and a touchscreen device. The SUI includes a number of display elements presented across all types of client devices for monitoring status of the integrated security system. The display elements of the SUI include an orb icon, text summary, security button, device warnings, system warnings, interesting sensors, and quiet sensors. The SUI thus provides system status summary information agnostically across all clients. Additionally, the SUI provides consistent iconography, terminology, and display rules across all clients as well as consistent sensor and system detail across clients.
Determining a route advertisement in a reactive routing environment
In an example embodiment, a method and system is provided to determine and advertise a route advertisement in a reactive routing environment. In response to receiving a network address query with respect to a destination address at a routing device, an aggregate value, e.g. an address prefix, is determined and advertised in reply to the network address query. Determining of the aggregate value may comprise identifying within a range of network addresses represented by the aggregate value respective addresses for which the routing device does not have reachability information. The routing device may send address queries with respect to the identified addresses, to determine reachability via the routing device of those addresses. The aggregate value may be advertised conditional upon determining that a percentage of addresses within the corresponding range that can be reached via the routing device satisfies a predefined minimal coverage value.
Communication device, receiving device, communication method, and communication system
A communication device including circuitry configured to receive communication data transmitted/received between a transmitting device and a receiving device that is a transmission target of transmission data transmitted by the transmitting device by unicast, to determine whether data to be used for a process by the communication device is included in the received communication data, and to process the data to be used for the process by the communication device when the circuitry determines the data to be used for the process by the communication device is included in the received communication data. The circuitry is also configured to prevent the communication device from responding to the transmitting device, and to not relay the communication data received from the transmitting device to the receiving device, when the circuitry determines the data to be used for the process is included in the received communication data.
Method for providing notifications for multi-media broadcast/multicast service
A method for providing notifications for Multi-media Broadcast/Multicast Service comprising steps of configuring a MBMS notification channel or a service channel by a RNC; sending information relevant to the MBMS service to a base station by the RNC; calculating a location indicated by a transmission notification according to the received information by the base station; and transmitting the MBMS notification channel by the base station. With the service relevant parameters transferred to the Node B, the notification indicated location NI corresponding to each service in each frame can be calculated by the Node B to reduce the traffic through the interface lub. The traffic of information transferred between the RNC and the base station is decreased so that the network resource is utilized effectively.
Technique for protecting a point-to-multipoint primary tree in a connected mode communications network
The invention relates to a technique for protecting a point-to-multipoint primary tree in a connected mode communications network set up from a primary root node to leaf nodes in the event of a fault affecting the primary root node by means of a back-up tree between a back-up root node and at least one merge node, said at least one merge node belonging to a branch of the primary tree coming from the primary root node. A merge node executes the following steps: a step of receiving a request to set up the back-up tree sent by the back-up root node including an identifier of the protected primary root node; and a step of configuring a routing rule in a table, the aim of said rule being to route packets coming from the back-up tree to branches of the primary tree coming from said merge node, said routing rule being activated only in the event of a fault affecting the primary root node.
Network multicast peer discovery methods
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, can include establishing communications with one or more peers in a communication group via one or more unicast communication channels; sending a participation information request on a multicast communication channel of a local network to discover peers that participate in the communication group; receiving one or more responses to the participation information request on the multicast channel of the local network from one or more peers that participate in the communication group; selecting one or more of the peers from which the one or more responses were received based on a network topology condition to reduce communication latency in at least a portion of the communication group; and communicating with the one or more selected peers to distribute information within the communication group.
Solid state transformer-less method to feed high bandwidth data and power signals from a network attached power sourcing device
Embodiments of the present invention provide a power source equipment (PSE) network device operable to provide a network signal that may include both power and data. This PSE network device includes a network connector and an integrated circuit. The network connector physically couples the PSE network device to the network. The integrated circuit further includes a power feed circuit. This power feed circuit is operable to combine and pass the received data signals and power signal as a single network signal. A PSE controller electrically couples to the integrated circuit but is not necessarily part of the integrated circuit. The PSE controller is operable to govern the production and distribution of the power portion of the network signal.
Method and apparatus for providing authentication using policy-controlled authentication articles and techniques
A method and apparatus provides first or second factor authentication by providing selectability of a plurality of second factor authentication policies associated with a second factor authentication article. The first or second factor authentication article includes authentication information, such as a plurality of data elements in different cells or locations on the authentication article, which can be located by using corresponding location information. The method and apparatus provides second factor authentication based on the first or second factor authentication article by enforcing at least one of the plurality of selected authentication policies.
Procedure for a multiple digital signature
Procedure for a multiple digital signatureIt comprises: i) generating, by a Trusted Third Party (T), a private key for each signer or member (F1, F2, . . . , Ft) of a group of signers (G); ii) generating, each of said signers (F1, F2, . . . , Ft), a partial signature of a document (M) using their private keys; iii) generating a multiple signature from said partial signatures; and iv) verifying said multiple signature. It further comprises generating, by the Trusted Third Party (T), a common public key for all of said signers (F1, F2, . . . , Ft) and using said common public key for performing said multiple signature verification of iv).
Data security system
A data security system that includes a first memory device to store message data to be secured, a second memory device to store microcode including an instruction set defining a cryptographic algorithm for use in securing the message data, and a processing unit to execute the microcode to implement the cryptographic algorithm.
Efficient communication for devices of a home network
Systems and methods are provided for efficient communication through a fabric network of devices in a home environment or similar environment. For example, an electronic device may efficiently control communication to balance power and reliability concerns, may efficiently communicate messages to certain preferred networks by analyzing Internet Protocol version 6 (IPv6) packet headers that use an Extended Unique Local Address (EULA), may efficiently communicate software updates and status reports throughout a fabric network, and/or may easily and efficiently join a fabric network.
Schemes for signcryption
Technologies are generally described for providing a signcryption scheme. In some examples, a method performed under control of a sender device may include calculating a public key of the sender device based on a system parameter, calculating a temporary public key of the sender device based on the system parameter, calculating a temporary common key of the sender device based on a temporary secret key of the sender device and a public key of a receiver device, calculating a ciphertext from a message based on the temporary common key and generating a signature of the sender device based on an intermediate parameter, the system parameter and the secret key of the sender device. The temporary secret key of the sender device, intermediate parameter and secret key of the sender device are engaged in a non-associative octonion ring.In some examples, a method performed under control of a receiver device may include calculating a public key of the receiver device based on a system parameter, calculating a temporary common key of the receiver device based on a temporary public key of the sender device and a secret key of a receiver device, deciphering the ciphertext based on the temporary common keys of receiver device, determining whether the digital signature received is generated by sender device. A temporary public key of the sender device, the secret key of the receiver device and the temporary common keys of the receiver device are engaged in a non-associative octonion ring.
Optimizing secure communications
Systems and techniques are described for optimizing secure communications. A client can use an authentication protocol, e.g., Kerberos, to authenticate with the server. Specifically, the client can obtain a service ticket from a ticket granting server, and then use the service ticket to authenticate with the server. The server can respond by providing an encrypted session key. The session key can then be used by the client and server to securely communicate with each other. A wide area network (WAN) optimization device described in this disclosure is capable of obtaining the session key without decrypting the service ticket. Specifically, the WAN optimization device can use information other than the service ticket to obtain the session key.
Circuit and method for calculating error of sampling clock, and signal receiving circuit and method
A method for calculating an error of a sampling clock is provided. The sampling clock is used for sampling a signal to generate a first sample data group and a second sample data group. Each of the first and second sample data groups includes a header having a predetermined sequence. The method includes: performing a correlation operation on the first and second sample data groups with data of the predetermined format to obtain first and second correlation results, respectively; comparing the first and second correlation results to generate a sample data group offset; and generating the error of the sampling clock according to the sample data group offset and a time difference between the first and second sample data groups.
Transmitting device, sending device and receiving device
According to one embodiment, a transmitting device includes a wireless transmitting unit which wirelessly transmits data. The transmitting device includes a wireless receiving unit which receives the data wirelessly transmitted by the wireless transmitting unit. The transmitting device includes a synchronization signal outputting unit which outputs a synchronization signal to a signal transmitting medium of an electric conductor. The transmitting device includes a synchronization outputting unit which receives the synchronization signal from the signal transmitting medium and outputs a signal including the data received by the wireless receiving unit according to the synchronization signal.
Transmitter, receiver and system including the same
A system includes a transmitter including: an aligner configured to align the phases of an input clock signal and data signal; and a transmission circuit configured to generate a transmission signal of which the phase and amplitude are controlled according to the aligned clock signal and the aligned data signal. The system may also include a receiver including: a clock extraction circuit configured to extract a temporary clock signal from the transmission signal; a data extraction circuit configured to extract a temporary data signal from the transmission signal; a clock delay selector configured to generate the clock signal by delaying the temporary clock signal according to a value of the temporary data signal; and a data recovery circuit configured to sample the temporary data signal according to the clock signal outputted from the clock delay selector and output a data signal.
Method and device for executing HARQ in TDD-based wireless communication system
Provided are a method and a device for executing a hybrid automatic repeat request (HARQ) of a terminal in a time division duplex (TDD)-based wireless communication system. The method comprises the steps of: receiving an uplink grant for a first subframe of a second serving cell through a first serving cell; transmitting uplink data in the first subframe on the basis of the uplink grant; receiving an acknowledgement/not-acknowledgement (ACK/NACK) for the uplink data through the first serving cell; and, when the ACK/NACK signal is a NACK, transmitting a retransmission data for the uplink data in a second subframe of the second serving cell.
Method for reducing power consumption of terminal in mobile communication system using multi-carrier structure
A method for reducing power consumption of a terminal that communicates with a base station in a mobile communication system using a multi-carrier structure composed of a primary component carrier and at least one secondary component carrier comprises: receiving a discontinuous reception (DRX) parameter group for multi carriers from the base station; and setting the multi carriers to the same parameter value, by using the received parameter group. The method for reducing power consumption of the terminal further comprises: performing a downlink control channel receive operation on each carrier according to a DRX cycle. As the base station in the mobile communication system using the multi-carrier structure simplifies the DRX process for reducing power consumption of a terminal by reducing signaling load for the multi-carrier control of the terminal, it becomes possible to reduce power consumption of the terminal.
Enhanced node B and method for RRC connection establishment for small data transfers
Embodiments of an enhanced Node B (eNB) and method for RRC connection establishment for small-data transfers in a 3GPP LTE network are generally described herein. The eNB may receive a small-data RRC connection request message from user equipment (UE) that may include an establishment clause value indicating small-data traffic either with or without mobility. The eNB may send an initial UE setup request message to inform the mobility management entity (MME) that a small-data RRC connection is being established. The eNB may receive an acceptance message from the MME for the small-data RRC connection which may include a reduction of an RRC inactivity timer for fast connection release. The eNB may send an RRC connection reconfiguration message to the UE in response to receipt of the acceptance to establish the small-data RRC connection, the RRC connection reconfiguration message including a measurement information element (IE) when mobility is to be supported.
Method and apparatus for supporting HARQ operation using HARQ channel identifier in wireless access system
As an embodiment of the present invention, a method for supporting a HARQ operation of M2M devices using a HARQ Channel Identifier (ACID) in a wireless access system includes transmitting, at a base station, a second UL A-MAP IE to M2M devices sharing a station identifier (STID) in a subframe in which a second M2M device is to retransmit a UL burst, wherein the second UL A-MAP IE includes resource allocation information for allocating a resource region to a first M2M device and includes a second ACID, receiving the UL burst retransmitted using a first ACID from the second M2M device in the subframe, and receiving a new UL burst transmitted using the second ACID from the first M2M device in the subframe, wherein the first and second M2M devices share the STID, and the first and second ACIDs are different from each other.
Method for transreceiving reference signal in wireless access system and apparatus for same
In the present invention, disclosed are a method for transceiving a reference signal in a wireless access system supporting device-to-device communication, and apparatus for same. More particularly, comprised are the steps of: a first device transmitting the reference signal for aligning device-to-device synchronization with a second device; and the first device performing device-to-device communication with the second device performing device-to-device synchronization with the second device after obtaining synchronization with the second device, wherein the reference signal is mapped on a predetermined symbol inside a resource that is allocated for device-to-device communication with the second device.
Apparatus and method for defining timing reference for secondary cells in a secondary timing advance group
A user equipment (UE) is configured to perform a method for determining a timing reference for a secondary cell (SCell) in a secondary timing advance group (sTAG). The method includes selecting a SCell among a plurality of SCells within a sTAG as an uplink timing reference cell based on a predefined rule that is known at the UE and an eNB in communication with the UE. The method also includes receiving a downlink carrier from the selected SCell and determining, from the downlink carrier, a downlink timing used as a reference for an uplink transmission timing.
Base station, user device, communication system, method for controlling base station, method for controlling user device, method for controlling communication system, program, and storage medium
In a mobile communication system of the present invention, a base station apparatus and mobile station apparatus (user device) communicate each other on a plurality of downlink component carriers and a plurality of uplink component carriers. And while the mobile station apparatus (user device) transmit an uplink data to the base station apparatus on the plurality of uplink component carriers, the mobile station apparatus (user device) transmit a scheduling request for requesting uplink resource for the uplink data to the base station apparatus using a physical uplink control channel (PUCCH) only on a specific uplink component carrier of the plurality of uplink component carriers.
Method and apparatus for cooperative transmission in multi-node system
A method of performing cooperative transmission in a multi-node system including a Base Station (BS) and a plurality of nodes controlled by the BS is provided. The method comprises: transmitting a first signal generated using a first cell identifier (ID) from the plurality of nodes; and transmitting a second signal generated using a second cell ID from at least one of the plurality of nodes, wherein the first cell ID is identical with a cell ID used by the BS, and the second cell ID is different from the first cell ID.
Reception device, reception method, and program
The present invention is capable of reducing a calculation amount while lessening performance degradation from MLD. The present invention is a reception device that receives a transmit signal which is transmitted from a transmission device by a MIMO transmission scheme. The reception device includes a channel estimation unit (205) that performs channel estimation using a received signal, and calculates a channel estimation value, a signal detection unit (206) that generates a bit log-likelihood ratio by MIMO demultiplexing of a received signal based on the channel estimation value, and a decoding unit (207) that performs error correction decoding with respect to the bit log-likelihood ratio. The signal detection unit (206) includes a transmit signal candidate search unit (301) that searches for a transmit signal candidate based on an error of linear detection depending on the received signal and the channel estimation value, a transmit signal candidate generation unit (302) that generates a transmit signal candidate by hard decision of an output of the transmit signal candidate search unit, and a decision unit (303) that generates the bit log-likelihood ratio using the transmit signal candidate.
Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
A block-request streaming system provides for improvements in the user experience and bandwidth efficiency of such systems, typically using an ingestion system that generates data in a form to be served by a conventional file server (HTTP, FTP, or the like), wherein the ingestion system intakes content and prepares it as files or data elements to be served by the file server, which might or might not include a cache. A client device can be adapted to take advantage of the ingestion process as well as including improvements that make for a better presentation independent of the ingestion process. In the block-request streaming system, the an ingestion system generates data according to erasure codes and the client device, through various selection and timing of requests for media data and redundant data, can efficiently decode media to provide for presentations.
Systems and methods for reducing the computational resources for centralized control in a network
A network system that reduces the computational resources to centrally-control network nodes in a border gateway protocol (BGP) network. More particularly, the systems and methods describe the control of a plurality of individual network nodes by a centralized controller, and the use of a route control server (RCS), which is connected to the centralized controller, or OpenFlow Controller (OFC). By treating the plurality of individual network nodes as a single combined network node, the route control server is able communicate using a single BGP speaker, and hence, reduce the computational resources from that required to run an individual BGP speaker for each individual network node.
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit.
Method for determining the arrival time of a UWB pulse with a double quadrature receiver
The invention relates to a method of estimating the time of arrival of a UWB pulse contained in an RF signal using a double quadrature receiver. The time of arrival is obtained from an estimate of the phase of the RF signal ((φRF(τ))) relative to the local oscillator signal in the first stage of the quadrature mix, and an estimate of the phase of the baseband signal ((φBB(τ)) relative to the first/second signal of the orthogonal base used in the second stage of the quadrature mix.
Body channel communication method and device using a transmission mode according to interefence estimate
A body channel communication method is disclosed including the following steps. Whether or not a body channel is established is detected. When that a body channel is established is detected, a check packet is received from an electrical device, which is at another end of the body channel, through the body channel. A current interference power of the body channel is estimated according to the received check packet. A current transmission mode for the body channel is obtained according to the current interference power. Data is transmitted through the body channel, which is set to the current transmission mode. Further, a body channel communication device is also disclosed.
Opto-isolator with correction circuit
An opto-isolator with a correction circuit is disclosed. The correction circuit is configured to make adjustments for degradation of the light source of the opto-isolator. The correction circuit may comprise a photodetector for detecting degradation of the light source of the opto-isolator. When the light source degrades below a predetermined level, the correction circuit may be configured to make adjustments.
Optical transmitter and method thereof
An optical transmitter including an optical modulator comprising a first modulator and a second modulator connected in parallel to each other in the form of a Mach-Zehnder interferometer, and a phase shifter connected to the second modulator in series, a high-speed generator configured to generate a single carrier signal or multi-carrier signals and apply the generated single carrier signal or multi-carrier signals to the optical modulator, and an output stabilizer configured to stabilize a final output optical signal of the optical modulator by controlling a bias of each of the first modulator, the second modulator and the phase shifter.
Method for configuring end-to-end lower order ODU network trails across optical transport network
The disclosure relates to a method of configuring end-to-end ODUj (lower order ODU) network trails across OTN (Optical Transport Network), in which the tributary port number (TPN) of the lower order ODUj inside higher order ODUk is specified. The time-slot value associated with the TPN is not to be specified by the user. The time-slots are dynamically allocated on the transmit side. On the receive side, there would be a capability in the ODUk adaptation sink function to find the set of time-slots associated with the TPN based on the received multiplex structure identifier (MSI). That is for an ODUj entity with a fixed TPN, the transmitted time-slots can change and the receive end can detect this change and based on that de-multiplex the ODUj from the ODUk.
Reducing cross-modulation in multichannel modulated optical systems
A modulated optical system with cross-modulation compensation reduces or corrects cross-modulation that might occur in a multichannel RF signal modulating a laser. The system detects the cross-modulation, for example, by detecting an envelope of the RF signal or by detecting RF power fluctuations, generates a cross-modulation detection signal, and imparts a compensating cross-modulation by adjusting a bias current of the laser in response to the cross-modulation detection signal.
A communications system comprising at least one light source, a side-emitting fiber light rope into which light emitted from the light source is coupled, and means for sending at least one data carrying optical signal along the light rope.
Node and method for iterative improvement of spectral use
Example embodiments presented herein are directed towards an optical testing node, and method therein, for establishing transmission parameters for optical communications in an iterative manner. The establishment of the transmission parameters may comprise adjusting various parameters such as a modulation scheme, a light path length, and/or a spectral width.
Systems and methods for reducing thermal tails on optical time domain reflectometer (OTDR) measurements
An optical communication system has a power dissipating element that is thermally coupled to an optical transmitter. The currents supplied to the transmitter and the power dissipating element are controlled such that the sum of such currents is constant. Accordingly, temperature fluctuations in the transmitter due to patterns in the transmitted data are prevented or at least reduced, thereby reducing thermal tails on measurements. In one exemplary embodiment, a light source is used as the power dissipating element, and the output of such light source is beneficially used to probe another optical fiber or to enhance the OTDR performance or analysis.
Interference management for concurrent transmission in downlink wireless communications
A wireless base station having K antennas communicates with M mobile devices using multiuser diversity scheme with opportunistic interference management. The base station transmits K distinct pilot signals from K corresponding antennas and receives feedback from mobile devices. The feedback from each device indicates a strong pilot signal and a weak pilot signal received from the K distinct pilot signals. Using these indications, the base station assigns each of the K antennas to a mobile device. The base station then transmits distinct data streams to the mobile devices using the corresponding antennas assigned to the corresponding mobile devices. The transmission may include multiplying the transmitted distinct data streams by a vector V orthogonal to a vector U, thereby allowing mobile devices not assigned to an antenna to cancel the transmitted distinct data streams.
Radio communication system using multi-antenna transmission technique, and multi-user scheduler therefor
A transmitting station in the radio system performing scheduled transmission to a plurality of user terminals including: a plurality of antennas and a reception unit configured to obtain reception quality information estimated from a pilot channel among information fed back from each of the plurality of user terminals, to determine based on the obtained reception quality information, a transmission system for the plurality of antennas and a transmission unit configured to add a specific bit which identifies the determined transmission system to a scheduler management channel, and to vary contents of the other bit area in the scheduler management channel, as corresponding to the specific bit, and further transmit the scheduler management channel to the plurality of user terminals.
Methods and systems for precoder selection assisted by demodulation reference signals (DM-RS)
Systems and methods according to these exemplary embodiments provide for using demodulation reference signals (DM-RSs) to obtain channel state information (CSI) for precoder selection. A method includes: receiving a DM-RS in at least one subframe, determining the CSI from the DM-RS; and using the CSI to perform at least one function.
Method and device for realizing multi-input multi-output
A method is for realizing Multi-Input Multi-Output which includes steps of: sending, by a Central Access Point, a downlink sounding channel, Multi-Input Multi-Output (MIMO) control information, and a feedback resource indicator to a Station (STA); detecting, by the STA, the downlink detection channel to obtain channel information, and feeding back on the feedback resource according to the indication of the MIMO control information; and selecting, by the Central Access Point, a suitable MIMO mode for downlink data transmission according to the feedback of the STA.
Wireless device with multichannel data transfer
Having a single channel for a transmit/receive (T/R) unit with a single antenna or a single processor would cause a limitation in data transfer rates, so multiple channels are provided. The single processor may have multiple channels for parallel processing of each data stream to process accurately two distinct signals that were more optimally received by two dedicated antennas and two separate T/R units contained within the cellular telephone/mobile wireless device (CT/MD) to improve performance and quality of output. An example is a CT/MD which is optimized for video and voice.
Wireless power control method, system, and apparatus utilizing a wakeup signal to prevent standby power consumption
Disclosed herein are a wireless power transmission control method in a wireless power transmission system, including receiving awake-up signal from a wireless power receiving apparatus and transmitting a wireless power transmission signal to the wireless power receiving apparatus through a transmission coil of a wireless power transmission apparatus while activating a deactivated power block when the wake-up signal is received; a wireless power transmission apparatus using the same; and a wireless power receiving apparatus using the same.
Application search system and method for easy operation
An application search system includes a mobile terminal, a device, and a server, connected to a network. The mobile terminal transmits mobile terminal OS information to the device. The device receives the mobile terminal OS information from the mobile terminal, and transmits the mobile terminal OS information and device identification information to the application management server. The server: i) receives the mobile terminal OS information and the device identification information; ii) generates, from the mobile terminal OS information and the device identification information, a list of applications installable in the mobile terminal and used for operating the device from the mobile terminal; and iii) transmits the list of applications to the device or the mobile terminal.
Multi-instance powerline communication system
A multi-instance powerline communication device broadcasts discovery messages to network devices of a plurality of communication networks. Identification information associated with the network devices is determined. Each of the network devices is associated with a corresponding one of the plurality of communication networks and one of a plurality of powerline communication instances. The multi-instance powerline communication device receives a network packet and determines a destination network device for the network packet. A network identifier of the communication network of the destination network device is determined. The multi-instance powerline communication device determines the powerline communication instance associated with the communication network and processes the network packet using the powerline communication instance and the network identifier of the communication network.
Signal detection in noise
A method of detecting a transmission. The method includes: measuring, from a first portion of a received spread-spectrum signal, a first code-phase of a spreading-code; measuring, from a second portion of the signal, a second code-phase of the spreading-code; comparing the first and second code-phases; and detecting whether the transmission is present according to the result of the comparison. Also disclosed are corresponding methods and apparatus for transmission and reception of signals.
Method and system to minimize radiation exposure from mobile phones and devices
Mobile devices may minimize the radiation exposure to users by controlling the distance between the user, specifically the head, and the mobile device to a minimum distance. The reduction in exposure is realized due to the operation of the Inverse Square Rule on electromagnetic signal from the mobile device recognizing there is a steep fall off of signal strength resultant from increased distance between the head of the user and the source of the signal. Embodiments increase and maintain operational distance between the user and the broadcast device to reduce signal absorption. Enabled mobile devices increase and maintain the operational distance by detecting when the distance is breached by a variety of methods and then alerting the user. Sound and electromagnetic waves may be used to determine the proximity of the mobile device to the user, in addition image processing typically resident on some mobile devices may also be used to determine proximity to the user. Embodiments disable harmful features such as broadcasting when the operation distance is breached for a period of time or the radiation exposure exceeds a threshold. Other embodiments enforce the operational distance with physical barriers preventing the distance from being reduced. Embodiments influence the user to maintain a minimum distance via alerts, interruptions and warnings. Thus maintaining a minimum distance between the user and the transmitter may have a dramatic practical effect.
System and method of transmitting data from an aircraft
A system and method of transmitting data from an aircraft includes a PC card that acquires aircraft data and transmits the aircraft data over a radio frequency communications signal into the skin of the aircraft, which radiates the radio frequency communications signal to a location remote from the aircraft.
Scalable MIMO-OFDM PHY for high throughput WLANS
A transceiver comprising a transmit section and a frame formatter. The transmit section is configured to operate in a first mode and a second mode and transmit frames of data in the first mode and the second mode. The frame formatter is configured to operate in the first mode and the second mode. While operating in the first mode, the frame formatter is configured to generate a first frame of data in a first format, and the transmit section is configured to transmit a single set of long training symbols prior to transmitting the first frame of data. While operating in the second mode, the frame formatter is configured to generate a second frame of data in a second format, and the transmit section is configured to transmit a plurality of sets of long training symbols prior to transmitting the second frame of data.
Multi-layer coefficient control for dynamic interference cancellation
Aspects of the disclosure are directed to interference cancellation and wireless communication including determining the strength of a reference signal; comparing the strength of the reference signal to a first threshold and a second threshold; and performing one of the following: updating at least one coefficient if the strength of the reference signal is above the first threshold; freezing the at least one coefficient if the strength of the reference signal is between the first threshold and the second threshold; or setting an interference cancelation (IC) circuit to OFF if the strength of the reference signal is below both the first threshold and the second threshold.
Method and apparatus for adaptive cancellation of distortion and phase noise
An adaptive cancellation circuit and method are provided. The circuit includes a main path and an auxiliary path. The main path includes a first amplifier configured to output a first amplified signal to a first mixer. The main path is configured to output a first signal comprising a wanted signal component and a distortion component. The auxiliary path includes a second amplifier configured to output a second amplified signal to a second mixer. The second mixer is connected to a filter configured to remove the wanted signal component. The auxiliary path is configured to output a second signal including the distortion component.
Quadrature impulse noise remover
A method and system for signal reception and processing, and more particularly for reducing the effects of random additive impulse interference is provided.
Detecting narrow band interference in wireless networks using spectral analysis
A method detects narrow band interference in wireless networks by first thresholding each block of samples to produce thresholded samples. The samples are normalized frequency magnitudes obtained from a spectrum of a wireless signal in a channel. Each block of the thresholded samples is summed to produce a thresholded value for each block. Then, thresholded values are autocorrelated to determine whether a bandwidth of the wireless signal is consistent with narrow band interference.
An FFT unit subjects a P-times oversampling output of an AD converter to Fourier transform into a frequency domain signal. A distortion estimation unit estimates a distortion characteristic from a difference between the frequency domain signal and a reference signal. A correction coefficient calculation unit calculates a correction coefficient of a distortion characteristic. A correction unit corrects the frequency domain signal by using the correction coefficient. An IFFT unit subjects the corrected frequency domain signal to inverse Fourier into a time domain signal having the same sampling speed as a symbol speed, and outputs a partial time series.
Methods and apparatus for multiple input multiple output (MIMO) successive interference cancellation (SIC)
Systems and methods are provided for determining a successive interference cancellation (SIC) decoding ordering in a multiple input multiple output transmission (MIMO) system. Multiple decoding orderings for received codewords are identified. A performance objective, such as total throughput or total probability of decoding, is computed for each one of the orderings based on the position of the codewords in the ordering. A globally optimal ordering is found that maximizes the performance objective over the multiple decoding orderings.
Randomization using an XOR scrambler in multicarrier communications
A multicarrier transceiver can have a plurality of carriers and convert a bit stream into a plurality of parallel words for QAM on the plurality of carriers, a length of one of the plurality of parallel words for QAM on the plurality of carriers, a length of one of the plurality of parallel words corresponding to a number of bits modulated on an associated carrier of the plurality of carriers for the one of the plurality of parallel words, the transceiver further including an XOR scrambler that scrambles the plurality of parallel words, a QAM encoder tha maps all or part of each scrambled word to a QAM constellation point to generate a plurality of QAM constellation points, and a transmitter that transmits the plurality of QAM constellation points using the plurality of carriers.
Wireless radio system optimization by persistent spectrum analysis
Apparatuses and methods for simultaneously operating as a wireless radio and monitoring the local frequency spectrum. For example, described herein are wireless radio devices that use a secondary receiver to monitor frequencies within the operating band and prevent or avoid interferers, including in particular half-IF interferers. The systems, devices, and methods described herein may adjust the intermediate frequency in a superheterodyne receiver to select an intermediate frequency that minimizes interference. In particular, described herein are apparatuses and methods that use a second receiver which is independent of the first receiver and may be connected to the same receiving antenna to monitor the geographically local frequency spectrum and may detect spurious interferers, allowing the primary receiver to adjust the intermediate frequency and avoid spurious interferes.
Arbitrary sample rate conversion for communication systems
Disclosed is a communication modulator with sample rate conversion. The modulator comprises a symbol mapping module configured to map an input bitstream to a symbol sequence; a pre-distortion module configured to multiply the symbol sequence by a discrete frequency response to produce a pre-distorted symbol sequence; a modulation module configured to modulate the pre-distorted symbol sequence to a time-domain baseband sample sequence; a sample rate conversion module configured to convert the sample rate of the baseband sample sequence to a different sample rate to produce a sample-rate-converted baseband sample sequence; and an up-conversion module configured to up-convert the sample-rate-converted baseband sample sequence to an intermediate frequency signal. The discrete frequency response by which the pre-distortion module multiplies the symbol sequence is configured to compensate for passband droop introduced to the sample-rate-converted baseband sample sequence by the sample rate conversion module.
Circuit for asynchronous communications, related system and method
A completion-detector circuit for detecting completion of the transfer of asynchronous data on a communication channel with signal lines organized according to a delay-insensitive encoding (e.g., dual-rail, m-of-n, Berger encoding) comprises: logic circuitry for detecting the data on the aforesaid signal lines configured for: i) producing a first signal indicating the fact that the asynchronous data on the signal lines are stable; ii) producing a second signal indicating the fact that the signal lines are de-asserted; and an asynchronous finite-state machine supplied with the first signal and the second signal for producing a signal of detection of completion of transfer of the asynchronous data, the detection signal having: a first value, when the first signal is asserted; and a second value, when the second signal is asserted; and being on hold when neither one nor the other of said first signal and said second signal is asserted.
Data compression devices, operating methods thereof, and data processing apparatuses including the same
A method of operating a data compression device includes analyzing data using an analyzer and generating a result of the analysis, while the data is buffered by an input buffer, and selectively compressing the buffered data according to the result of the analysis. A data compression device includes a data pattern analyzer configured to analyze data transmitted to an input buffer, and generate an analysis code based on the analysis of the data; and a data compression manager configured to selectively compress the data in the input buffer based on the analysis code.
System for linear interpolation in multiple dimensions
A system for galvanic isolation between an analog input signal and an analog output signal, which system performs an analog to digital conversion of the input signals into input digital data. As a result, input parameters can be corrected in a nearly perfect way.
An analog-digital converter with successive approximation includes a capacitor array for being loaded by applying a given input signal potential and for providing a sampling potential, wherein capacitors of the capacitor array are serially coupled with switches. A decision latch is included for evaluating the sampling potential in a number of consecutive decision steps. The analog-digital converter also includes a logic unit for selectively changing the sampling potential by selectively switching switches associated to the capacitors of the capacitor array for each decision step based on an evaluation result of a previous decision step, wherein the switches are respectively coupled with a calibration switch.
Temperature controlled oscillator and temperature sensor including the same
A temperature controlled oscillator includes an oscillation unit and a filter unit. The oscillation unit is configured to generate at least one reference voltage based on a supply voltage and a ground voltage, and to generate an oscillation signal having a period varying according to a temperature, the oscillation unit configured to generate the oscillation signal based on a filter voltage and the at least one reference voltage. The filter unit is configured to generate the filter voltage based on the oscillation signal.
Data processing apparatus and method in PLC system
A programmable logic controller (PLC) system, and more particularly, a data processing apparatus and method in the PLC system are provided. In the data processing method in a programmable logic controller (PLC) system, first dummy code data is output to an area having a chip selection signal for valid data output. The valid data is output after the first dummy code data is output. And second dummy code data is output when the valid data output is completed.
Field programmable gate array utilizing two-terminal non-volatile memory
Providing for a field programmable gate array (FPGA) utilizing resistive random access memory (RRAM) technology is described herein. By way of example, the FPGA can comprise a switching block interconnect having parallel signal input lines crossed by perpendicular signal output lines. RRAM memory cells can be formed at respective intersections of the signal input lines and signal output lines. The RRAM memory cell can include a voltage divider comprising multiple programmable resistive elements arranged electrically in series across a VCC and VSS of the FPGA. A common node of the voltage divider drives a gate of a pass gate transistor configured to activate or deactivate the intersection. The disclosed RRAM memory can provide high transistor density, high logic utilization, fast programming speed, radiation immunity, fast power up and significant benefits for FPGA technology.
Capacitive sensor interference determination
A processing system for a capacitive input device is described. The capacitive input device includes a plurality of sensor electrodes configured to detect input objects in a sensing region. The processing system configured to transmit a signal on a transmitter sensor channel of the capacitive input device. The processing system is also configured to receive the signal on a receiver sensor channel of the capacitive input device, wherein the receiver sensor channel is coupled with an amplifier. The processing system is also configured to determine if a level of interference has been received by the receiver sensor channel in conjunction with receipt of the signal.
Photovoltaic device with electronic switch(es)
Photovoltaic device comprising a photovoltaic generator comprising a number of photovoltaic cells, characterized in that it comprises at least one switch with a control device comprising a control capacitor (Ccde) and a control resistor (Rcde), linked to the switch so as to slow down the control of the opening of the switch, to allow at least one cell of the photovoltaic generator to switch from a short-circuit operating mode to an open-circuit mode, or vice versa.
Multiple power domain electronic device and related method
An electronic device includes a first circuit, a second circuit, and a power on control (POC) circuit. The POC circuit includes an enable terminal electrically connected to a first output of the first circuit, a first input terminal electrically connected to a first voltage supply, a second input terminal electrically connected to a second voltage supply, and an output terminal. The second circuit includes a biasing-sensitive circuit, and a logic circuit including a first input terminal electrically connected to a second output of the first circuit, a second input terminal electrically connected to the output of the POC circuit, and an output terminal electrically connected to an enable terminal of the biasing-sensitive circuit.
RF switch branch having improved linearity
Disclosed is a radio frequency (RF) switch branch having a reduced nonlinearity and an associated method for reducing nonlinearity in a RF switch branch. The RF switch branch includes a primary transistor, a first transistor having power terminals electrically connected between a drain node and a body node of the primary transistor, and a second transistor having power terminals electrically connected between the body node and a source node of the primary transistor. The RF switch may further include a body resistor electrically connected between the body node of the primary transistor and ground, and a gate resistor electrically connected between a gate of the primary transistor and a gate voltage source. A gate of each of the first transistor and the second transistor is electrically connected to the gate voltage source such that the first transistor and the second transistor are ON only when the primary transistor is ON.
Power management system for integrated circuit
A power management system for an integrated circuit (IC) includes low and full-power bandgap generators, first and second multiplexers, first circuitry, and a full-power regulator. When the IC is powered on, the first multiplexer selects the full-power bandgap generator as a reference voltage source for the first circuitry. After the low-power bandgap generator has been trimmed, the first multiplexer selects the low-power bandgap generator as the reference voltage source for the first circuitry. When the IC transitions from low power mode to high power mode, the second multiplexer selects the low-power bandgap generator as the reference voltage source for the full-power regulator. When the full-power bandgap generator is powered on, the second multiplexer selects the full-power bandgap generator as the reference voltage source for the full-power regulator.
A first stage of a digital filter receives input data to be filtered, the first stage of a digital filter operating at a first clock; a second stage of the digital filter outputs filtered output data, the second stage of the digital filter operating on a second clock, wherein a ratio of a frequency of the first clock and a frequency of the second clock is a fractional number, and a frequency of the second clock is higher than a frequency of the first clock; the first stage receives an indication of a ratio of the first clock and the second clock; and the first stage receives an indication of a time offset between (1) a clock pulse of the second clock, which occurs between a first clock pulse and a second clock pulse of the first clock, and (2) the first clock pulse of the first clock.
Elastic wave device including a supporting substrate, medium layer, and piezoelectric body
An elastic wave device includes a medium layer, a piezoelectric body, and an IDT electrode that are disposed on a supporting substrate. The medium layer is made of a medium containing a low-velocity medium in which a propagation velocity of a same bulk wave as that which is a main vibration component of an elastic wave propagating in the piezoelectric body and being used is lower than a propagation velocity of the elastic wave, and a high-velocity medium in which the propagation velocity of the same bulk wave as that which is a main vibration component of the elastic wave is higher than the propagation velocity of the elastic wave.
This disclosure relates to hybrid couplers for radio frequency (RF) signals. The hybrid coupler includes a first port, a second port, a third port, a fourth port, a first inductive element connected from the first port to the third port, and a second inductive element connected from the second port to the fourth port. The hybrid coupler further includes a first capacitive element and a second capacitive element. The first capacitive element is connected between an intermediary node of the first inductive element and either the first port or the third port, while the second capacitive element is coupled between an intermediary node of the second inductive element and either the second port or the fourth port. Accordingly, the first capacitive element and a portion of the first inductive element and the second capacitive element and a portion of the second capacitive element each form a harmonic trap.
Semiconductor device and adjustment method of filter circuit
A semiconductor device includes a filter circuit operable to pass a desired signal component of a high-frequency signal inputted and operable to attenuate a harmonic component of an integral multiple of the desired signal, wherein the filter circuit includes a first inductor and a second inductor coupled in series to a signal line transmitting the high-frequency signal, a first variable capacitor coupled between a power supply line and a node of the first inductor and the second inductor, and a second variable capacitor coupled between the signal line and the power supply line.
Automatic gain control device and method, power adjusting device and radio transmitting system
An automatic gain control device includes: a variable gain adjusting unit, for adjusting an input signal by a variable gain and outputting an adjustment result; an analog-digital converting unit, for performing analog-digital conversion on the adjustment result to obtain an analog-digital conversion result; and a gain determining unit, for determining a distribution status over a predetermined period of time of a maximum or a minimum of the analog-digital conversion result, comparing the distribution status with a first distribution condition, and if the distribution status meets the first distribution condition, then keeping the variable gain unchanged, otherwise changing the variable gain and determining newly a distribution status until the newly determined distribution status meets a second distribution condition which is at least as strict as the first distribution condition.
Threshold crossing detection
A signal processing apparatus comprises a signal path for a signal, the signal path comprising a signal processing stage. An auxiliary stage is coupled to an input of the signal processing stage for, in response to a signal in the signal path at the input of the signal processing stage, generating a control signal indicative of the time of a crossing of a first threshold by the signal in the signal path at an output of the signal processing stage by detecting a crossing by the signal of a second threshold established by the auxiliary stage. The second threshold is substantially equal to the first threshold.
Apparatus and method for asymmetrically driven partial outphasing power amplifier
Apparatus and method embodiments are provided for improving power efficiency in an outphasing amplifier with a non-isolating combiner. The embodiments include reducing the driving power to two power amplifiers (PAs) of the amplifier circuit in the low input signal power region in an asymmetric manner between the two PAs. An embodiment method includes receiving, at a signal decomposer, an input signal, detecting a power amplitude of the input signal, and determining whether the input signal corresponds to one of a plurality of operation modes according to the detected power amplitude of the input signal and a plurality of power thresholds corresponding to the operation modes. Upon determining that the power amplitude of the input signal corresponds to a first mode from the operation modes, the input signal is decomposed into two component signals including at least one signal that has a reduced and scaled amplitude proportional to the input signal.
Impedance bootstrap circuit for an interface of a monitoring device
An interface for receiving electrical signals representative of a condition of a patient and for conveying representations of the electrical signals to a processing system. The interface includes at least one amplifier circuit configured to alter an amplitude of the electrical signal, a common-mode cancellation amplifier circuit coupled to the at least one amplifier circuit and configured to reduce common-mode signal noise in the electrical signals, and a bootstrap circuit coupled to the at least one amplifier circuit and configured to increase an effective input impedance at an input of the at least one amplifier circuit.
Distortion compensation device and distortion compensation method
A distortion compensation device includes: a distortion compensator configured to output, to a power amplifier, a predistortion signal obtained by performing distortion compensation processing on a transmission signal by using a distortion compensation coefficient, wherein the distortion compensator limits bands of a reference signal and a feedback signal so that the bands fall in a pass band and updates the distortion compensation coefficient based on an error between the reference signal and the feedback signal, the reference signal corresponding to the predistortion signal, the feedback signal corresponding to an output feedback of the power amplifier.
Audio power amplifier
Improvements to U.S. Pat. No. 5,428,642 including use of a single clock providing a first frequency to drive a power supply and a second frequency, twice the first frequency, to dual channel pulse width modulators and audio amplifiers. The power supply is improved to provide enough output voltage that the amplifier stays below 90% modulation and the first frequency driver eliminates the dead band, thereby improving efficiency. Current limiting, even against shorts in the load, is provided by inductor inputs to the clipper circuits, where the inductors are in the magnetic fields of the output chokes. The audio amplifiers are isolated by optical couplers for the audio signal and by an optical coupler and isolation transformers for the clock. One clock amplifier supplies both amplifier channels. The pulse width modulator uses the optically isolated clock and receives clipped audio directly. Two channels fit in the space of one old channel.
Low-power voltage-controlled oscillator
A circuit including a tank circuit, a pair of transistors, a bias circuit, and a capacitor. The transistors include (i) drain terminals coupled to the tank circuit, (ii) source terminals coupled to each other, and (iii) gate terminals cross-coupled to the drain terminals via a pair of capacitors. The bias circuit is coupled to the gates of the pair of transistors to i) alternatingly turn on the pair of transistors during a plurality of peaks of an oscillating signal of the tank circuit, and ii) turn off the pair of transistors during a plurality of crossing points of the oscillating signal. The capacitor is coupled to (i) the tank circuit and (ii) the pair of transistors.
Dipolar axial compression magnet motor
The present invention relates to a system and a method for improving the use of energy in an electric motor by inducing currents generated from magnets and/or electromagnets that result in an increase of primary power and creating, directing and introducing a counter current obtained from primary coils of the motor into a resonant LC circuit which is introduced as a transient secondary process to increase the overall efficiency of the motor. Furthermore, the motor produces rotational torque without using alternating magnetic polarity, but rather magnetic compression that utilizes permanent magnets arranged in a dipolar manner around an axial plane and, in another embodiment, uses ferrous cores arranged in a dipolar manner around an axial plane or alternatively, electromagnetic dipoles arranged in a dipolar manner around an axial plane.
Electric power tool
An electric power tool according to the present invention is provided with a tool main body, an induction motor, a power supply unit, and an inverter. The power supply unit and the inverter are integrally incorporated in the tool main body together with the induction motor.
System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions
A method and system for controlling a wind turbine generator detect wind speeds and, at a first defined wind speed, control generator torque and generator rotational speed to achieve a pre-defined power for the wind turbine generator at the first defined wind speed. As wind speed increases beyond the first defined wind speed, one of generator torque or generator rotational speed is increased and the other of generator rotational speed or generator torque is proportionally decreased to maintain the generator power substantially constant at the pre-defined power.
Electric circuit for generating electric power
An electric circuit is described for generating electric power. In this circuit, an asynchronous generator includes a stator and a rotor. On the stator side, the asynchronous generator is coupled to a power grid. The rotor current flowing to the rotor of the asynchronous generator can be measured. A control device is designed such that, in case of a fault in the power grid, the stator current flowing to the stator of the asynchronous generator is calculated from the measured rotor current as a function of parameters of the asynchronous generator.
Near synchronous controlled induction motor drive actuation system
A distributed electromechanical actuation system including multiple electromechanical actuators intended to operate together in a synchronous (or near synchronous) manner. Each individual actuator is powered by one or more induction motors or other appropriate motor such as a stepper motor. The induction motors are designed to have a very high pullout torque with very low slippage to the pull out point. The group of actuators is controlled from a single controller (e.g., an induction motor controller) that utilizes a Volts per Hertz type of open loop control where the bus voltage and frequency are controlled to assure that the motors always operate on the low slip side of the pull out point performance curve.
Brushless motor speed control system
This system provides a wide range of smooth and precisely controlled low and high speeds for pan-tilt-zoom surveillance cameras, in which a brushless motor is controlled by a Microcontroller in a low speed mode by sinusoidal synchronous commutation, in a high speed mode by block commutation, and in a transition phase from the low speed mode to the high speed mode by modulating integrated pulse-width modulation (PWM) square waves with sine waves. PID and lookup table registers are used by a microcontroller for a smooth transition from high speed mode to low speed mode, and from low speed mode to high speed mode, phase locking a sine position during transitions, in order to give a surveillance camera an ability to quickly move from one target to another at up to 100 degrees per second yet track objects that are moving very slowly.
Device and method for managing the electric braking of a vehicle
A device for managing electric braking power includes a continuous bus, a dissipation branch, a current sensor, a controller, and an electronic charging switch. The bus includes a first pole for connection to a vehicle electric traction machine, a second pole for connection to a battery, and a connection point for connection to the dissipation branch, which includes an electronic dissipation switch connected to a dissipation resistor. The current sensor and the charging switch are positioned on the bus between the connection point and the second pole. The charging switch controls a flow of current over the bus from the first pole to the second pole. When power sent over the bus is greater than a total of power that charging of the battery can absorb and power that the dissipation resistor can dissipate, the controller causes the charging switch to open.
Piezoelectric actuating device
A piezoelectric actuating device includes a carrier, at least a piezoelectric unit, at least a linked component and a moving component. The piezoelectric unit is disposed on the carrier and includes at least a piezoelectric buzzer. The linked component is disposed corresponding to the piezoelectric unit. One end of the linked component is attached to the piezoelectric buzzer. The moving component is connected with the linked component. When the piezoelectric buzzer is actuated, it can carry the linked component to move correspondingly so as to move the moving component. The piezoelectric actuating device has the advantage of low cost and can achieve the sub-nanometer scale actuating resolution.
Electric power converter having plurality of semiconductor modules arrayed in successive layers
In an electric power converter, a stacked-layer unit has a plurality of semiconductor modules arrayed as layers along a stacking direction, each semiconductor module containing a semiconductor element and a pair of power terminals protruding outward in a protrusion direction at right angles to the stacking direction, each pair consisting of an AC terminal and a positive-polarity or negative-polarity power terminal. The semiconductor modules are arranged with the positive-polarity and negative-polarity power terminals in a single column at one side of the stacked-layer unit, and respectively connected to a positive-polarity busbar and negative-polarity busbar which are located at that side and which are separated by a fixed spacing in the protrusion direction, while the AC terminals of each layer-adjacent pair of semiconductor modules are connected in common to a corresponding one of a plurality of AC busbars.
Multi-level rectifiers are provided. A multi-level rectifier may convert a medium AC voltage to a medium DC voltage. A multi-level rectifier may comprise an input inductor, a set of diodes, a set of switches, and a DC link comprising a set of capacitors. One end of the input inductor is coupled to the input AC voltage and the other end of the input inductor is coupled to a pair of diodes that are series connected. The set of switches may be regulated such that the inductor may be coupled to a DC voltage point of the DC link. A multi-level rectifier may operate under a set of operation modes. Each operation mode may be determined from the input voltage and the inductor current. Accordingly, a sinusoidal voltage at the fundamental frequency of the input voltage may be synthesized by selectively switching between adjacent operation modes of the set of operation modes. A multi-level rectifier may be used in connection with a medium voltage to low voltage DC/DC converter to form a power conversion system that converts a medium AC voltage to a low DC voltage.
Inverter with a connector element formed by a connector block and a connector arranged on one side and a DC breaking element arranged inbetween
An inverter with a connector element has a fixture with a connector element arranged thereupon and an electronic part which can be plugged into the connector element, together forming the inverter. The connector element is formed by a connector block for connecting at least one solar module, and at least one connector for the electronic part, wherein corresponding connector sockets for pluggably connecting to the connectors are arranged on the electronic part, and the inverter is formed by a DC breaking element. To allow solar modules to be separated easily, the connector element is composed of an assembly wherein the connector block and the connector are arranged at least on one side and a DC breaking element is arranged between them. An actuation element of the DC breaking element is arranged outside the assembly to mechanically or electronically activate and deactivate the connection between the connector block and the connector.
H-bridge micro inverter grid-connected device
An H-bridge micro inverter grid-connected device is invented to solve the problem that failure of any photovoltaic panel on the existing solar photovoltaic system cascade can cause efficiency reduction of the whole photovoltaic panel module. The H-bridge micro inverter grid-connected device comprises a single-chip microcomputer controller, a CPLD controller, a MOSFET full-bridge circuit, a high-frequency transformer, a half-bridge rectifying circuit, an SCR full-bridge circuit and a filter circuit, wherein the MOSFET full-bridge circuit is in the full-bridge type, the high-frequency transformer is a single-phase transformer with a central tap, and the SCR full-bridge circuit is applied. The integral structure above is characterized by the decreasing number of components, the reduction of power switches, and the simplification of the control circuits and driving circuits, so as to decrease the number of full-control switch components, improve the system reliability and reduce the system costs.
High voltage power supply system and image formation apparatus
A high voltage power supply system includes: a high voltage power supply; a current detector; a voltage detector; a conversion section configured to obtain a converted-current value by dividing a detected-current voltage value by a predetermined resistance value; a selector configured to select one of the detected-current voltage value and the detected-voltage voltage value; a resistance variable section configured to change the predetermined resistance value; a temperature detector; a humidity detector; and a control section configured to create a voltage setting signal, a selection signal, and a resistance variable signal on the basis of the detected-voltage voltage value, the detected-temperature value, and the detected-humidity value, and to apply the voltage setting signal to the high voltage power supply, the selection signal to the selector, and the resistance variable signal to the resistance variable section.
Isolated flyback converter for light emitting diode driver
An isolated flyback converter for an LED driver may include: (1) A snubber circuit configured to be connected to the primary side of a transformer. (2) A switching unit configured to have a source terminal and a drain terminal and configured to be turned on or off. (3) A control unit configured to detect a first input signal proportional to a fluctuation in the power supply voltage, detect a second input signal when the switching unit is turned off, generate a signal inversely proportional to the maximum value of the first input signal and multiply the generated signal to the second input signal, and control a peak current of the switching unit to be proportional to the multiplication result of the signal inversely proportional to the maximum value of the first input signal and the second input signal such that a secondary-side current of the transformer is maintained constant.
DC/DC converter, control circuit and control method thereof, power supply, power adapter and electronic apparatus using the same
A control circuit of a DC/DC converter includes: a pulse modulator configured to generate a pulse signal; and a driver configured to switch a switching transistor based on the pulse signal. The pulse modulator includes an on signal generator to generate an on signal. The on signal generator includes: a bottom detection comparator configured to compare a voltage of one end of an auxiliary winding with a predetermined threshold voltage and generate a bottom detection signal; a first time-out circuit configured to generate a first time-out signal asserted when the bottom detection signal is not asserted; a second time-out circuit configured to generate a second time-out signal asserted when the bottom detection signal is not asserted; and a logic part configured to generate the on signal based on the bottom detection signal, the first time-out signal and the second time-out signal.
Electric-power conversion device
A DC/DC conversion circuit is configured with a first power converter and a second power converter that are connected through an insulation transformer, and performs power transition bidirectionally between two DC-voltage sources. In the case of charging the DC-voltage source in the side where the second power converter is placed, a control is made using a first rectifier-control mode in which the first power converter is placed under an output variable control according to an inverter operation and the second power converter is operated according to a rectifier operation. Then, when a charging current becomes an upper limit value or more, a control is made by switching the mode to a first inverter-control mode in which the first power converter is placed under an output fixed control according to the inverter operation and the second power converter is placed under an output variable control according to the inverter operation.
Power source device and image forming apparatus
A power source device includes: a transformer; a switching section driving a primary side of the transformer; and a controller capable of performing a switching operation on driving of the switching section for controlling an output of a secondary side of the transformer. The device detects a drive frequency for the switching section in the switching operation, and switches the drive frequency so as not to be a frequency in a prescribed range when the detected drive frequency reaches a threshold.
Power control circuit detecting a phase of a burst initializing signal and power controlling method detecting a phase of a burst initializing signal
In a switching mode power supply, a power controlling circuit includes a phase generator and a phase controller. The phase generator provides a clock signal. The phase controller detects phases of a phase reference signal and a burst initialization signal so as to generate a burst signal, and causes a phase of the burst signal to not be earlier than the phase of the group reference signal. The burst signal is utilized for switching the power supply between a non-switching state and a switching state. The group reference signal is generated according to the clock signal and has a lower frequency than the clock signal. The burst initialization signal is controlled by an output voltage source of the power supply.
Auxiliary resonant apparatus for LLC converters
A resonant tank comprises a series resonant inductor coupled to a switching network and a transformer, a series resonant capacitor coupled to the switching network and the transformer, a first parallel inductor implemented as a magnetizing inductance of the transformer, 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 and a switch connected in series with the second parallel inductor.
According to one embodiment, the power circuit includes a first feedback loop which feedbacks information on an output voltage and a second feedback loop which feedbacks information on a load current. When the load current is smaller than a predetermined threshold value, the second feedback loop is blocked and a PWM signal is generated using data of a feedback current signal which is stored before blocking the second feedback loop.
System and method for a controlled feedback charge pump
According to various embodiments, a circuit includes a charge pump and a feedback circuit. The charge pump includes a first input, a second input configured to receive an offset signal, and an output terminal configured to provide a charge pump signal based on the first and second inputs. The feedback circuit includes a first input coupled to the output of the charge pump, a second input configured to be coupled to a reference signal, an enable input configured to enable and disable the feedback circuit, and a feedback output coupled to the first input of the charge pump.
Low noise charge pump method and apparatus
A charge pump method and apparatus is described having various aspects. Noise injection from a charge pump to other circuits may be reduced by limiting both positive and negative clock transition rates, as well as by limiting drive currents within clock generator driver circuits, and also by increasing a control node AC impedance of certain transfer capacitor coupling switches. A single-phase clock may be used to control as many as all active switches within a charge pump, and capacitive coupling may simplify biasing and timing for clock signals controlling transfer capacitor coupling switches. Any combination of such aspects of the method or apparatus may be employed to quiet and/or simplify charge pump designs over a wide range of charge pump architectures.
Active power factor corrector circuit
In accordance with an embodiment, an electronic device includes a controller configured to be coupled to a first switch of a power factor corrector. The controller is configured to produce a variable switching frequency depending on a load current. For a first load current, the controller is configured to produce a first switching frequency, and for a second load current, the controller is configured to produce a second switching frequency.
High-voltage heavy-current drive circuit applied in power factor corrector
A high-voltage heavy-current drive circuit applied in a power factor corrector, comprising a current mirroring circuit (1), a level shift circuit (3), a high-voltage pre-modulation circuit (2), a dead time control circuit (4) and a heavy-current output stage (5); the heavy-current output stage adopts a Darlington output stage structure to increase the maximum operating frequency of the drive circuit. The stabilized breakdown voltage characteristic of a voltage stabilizing diode is utilized to ensure the drive circuit operating within a safe voltage range. Adding dead time control into the level shift circuit not only prevents the momentary heavy-current from a power supply to the ground during the level conversion process, but also reduces the static power consumption of the drive circuit.
PWM strategy for reduction of inverter hotspot temperature and overall losses
A PWM strategy can be implemented to reduce device power losses and hotspot temperature in an inverter circuit that drives a synchronous motor. A method includes migrating a phase current from a power device with higher losses to a power device with lower losses. A PWM modulation signal can be modified to alter the inverter duty cycle and migrate phase current in the direction of lower losses. As an example, a PWM reference signal can be shifted to a lower value. A PWM loss reduction strategy can be performed while a motor is in a rotor-lock state to reduce device hotspot temperature. The PWM loss reduction strategy can also be performed when a motor is operating in a normal state, pushing PWM to DPWM, reducing switching and overall losses. The strategy can be practiced while a PMSM is operating as a motor, and can also be practiced during regenerative braking.
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with collector-side base driven
Methods, systems, circuits, and devices for power-packet-switching power converters using bidirectional bipolar transistors (BTRANs) for switching. Four-terminal three-layer BTRANs provide substantially identical operation in either direction with forward voltages of less than a diode drop. BTRANs are fully symmetric merged double-base bidirectional bipolar opposite-faced devices which operate under conditions of high non-equilibrium carrier concentration, and which can have surprising synergies when used as bidirectional switches for power-packet-switching power converters. BTRANs are driven into a state of high carrier concentration, making the on-state voltage drop very low.
Method of positioning a sensor within a motor assembly
A method for positioning a temperature sensor in association with a heat conductive surface in a lead frame located at an end of a dynamoelectric machine. The sensor is supported to the lead frame by lead wires to position the sensor at a first position spaced from an outwardly facing surface defined on the outer side of the lead frame. A cover member is moved to an attachment location in engagement with an outer side of the lead frame, wherein at least a final portion of the movement of the cover member includes positioning an engagement surface of the cover member into engagement with the sensor and causing the sensor to move closer to the outwardly facing surface to a location defining a second position for the sensor.
Foot-powered energy generator
A foot-powered energy generation device includes a step plate that moves between an upper position and a lower position in response to the step action of a user. The device also includes an electrical generator, and a gear train that will cause a rotor of the generator to rotate in response to movement of the step plate up and down. A carriage is mechanically interconnected to the step plate and the gear train to cause the rotation of the gear train in response to the step plate motion.
Drive device for a motor vehicle
A drive device for a motor vehicle includes at least one electric machine having at least one rotor element which includes a single-piece, essentially sleeve-shaped rotor carrier to delimit an installation area in a radial direction. At least one transmission device is disposed, at least partly, in the installation area and configured to be driven by the electric machine via the rotor element.
Rotor including anti-rotation feature for multi-pole structure
A permanently magnetizable rotor having a central rotor structure including a rotor shaft supporting a cylindrical backiron. The rotor further includes a multi-pole structure comprising circumferentially alternating pole elements, and a rotor cover extending longitudinally over the multi-pole structure. The rotor additionally includes an endcap including an engagement surface positioned in engagement with an end of the backiron. The endcap defines first and second anti-rotation features for preventing circumferential rotation of one or more of the pole elements about the backiron. The first anti-rotation feature is configured differently than the second anti-rotation feature and each anti-rotation feature defines a torque transmitting feature for transmitting a torque from different locations on the multi-pole structure.
Rotor for rotating electric machine
A rotor includes a rotor core having a plurality of pairs of magnet-receiving holes and a plurality of magnets respectively received in the magnet-receiving holes. Each pair of the magnet-receiving holes is arranged in a substantially V-shape that opens toward a stator side. The rotor core has, for each of the magnet-receiving holes, a magnetic flux barrier that is formed, at a magnetic pole centerline-side end of a stator-side wall surface of the magnet-receiving hole, so as to protrude from the stator-side wall surface toward the stator side. The protruding height H of the magnetic flux barrier from the stator-side wall surface is set to be in the following range: 0.12×R≦H≦0.29×R, where R is the minimum distance from an intersection P1, which is between the magnetic pole centerline and a rotor-side circumferential surface of the stator, to the stator-side wall surface of the magnet receiving hole.
Systems and methods for detecting wireless charging transmit characteristics
This disclosure provides systems, methods and apparatus for detecting wireless charging transmit characteristics. One aspect of the disclosure provides a method of detecting a transmit characteristic in a wireless power transmission device. The device includes a series element electrically coupled to a transmit coil. The method includes determining real and imaginary components of a first voltage at a first terminal of the series element. The method further includes determining real and imaginary components of a second voltage at a second terminal of the series element. The method further includes determining real and imaginary components of a current through the series element, based on the determined first and second voltages. The method further includes determining transmit characteristics such as nodal voltages, currents, power and impedances based on determined voltages and currents. The method further includes adjusting a characteristic of a wireless power transmission based on the determined transmit characteristics.
Vehicle and method for charging vehicle batteries
An automotive vehicle includes a traction battery, an auxiliary battery and at least one controller. The at least one controller may be configured to cause a specified charge current to be provided to the traction battery and to cause another specified charge current to be provided to the auxiliary battery if the current being provided to the traction battery is increasing or decreasing.
Device for charging a portable element and associated method
A device (20) for charging a portable element (10) having a receiving antenna (Ar) for charging by induction, the charging device (20) includes: a charging surface (Sc); a plurality of emitting antennas (A1, A3); a layer of ferromagnetic material (30) placed beneath the plurality of emitting antennas (A1, A3); an electronic circuit; a plurality of resonators (R1, R2 . . . Ri): having a resonance frequency substantially equal to the emission frequency of the antennas, placed between the plurality of antennas and the charging surface, and suitable, when they are activated, for reflecting the magnetic field (B) emitted by the antennas, and connected to the electronic circuit in order to be deactivated individually, according to a criterion of positioning of the receiving antenna relative to the resonators. An associated charging method is also described.
Automotive vehicle interior plastic part having a support surface capable of wirelessly supplying electrical power
An automotive vehicle interior plastic part having a vibration and shock damping support surface capable of wirelessly supplying electrical power to a supported electronic device during vehicle motion is provided. A part of the surface includes first and second sets of conductive, anti-vibration and anti-shock thermoplastic pads. Another part of the surface includes a non-conductive or insulating, unitary, anti-vibration and anti-shock plastic substrate bonded to the different sets of pads. The substrate electrically insulates the first set of pads from the second set of pads. A power source coupling includes first and second conductive power traces. The first trace is electrically coupled to each of the first set of pads and the second trace is electrically coupled to each of the second set of pads. The first and second traces form separate conductive pathways and are operable for biasing the different sets of pads at different voltage levels.
Charging control method for secondary cell and charging control device for secondary cell
A method for controlling charging of a secondary cell including a positive electrode containing a positive-electrode active substance having that increases resistance in accordance with an increase in the SOC, a negative electrode; and a non-aqueous electrolyte includes performing constant-current charging at a set current value to a prescribed upper-limit voltage, performing constant-voltage charging at the upper-limit voltage after the upper-limit voltage V1 has been reached, and terminating charging of the secondary cell when the charging current in the constant-voltage charging has decreased to a cutoff current value, the cutoff current value being set to a current value that complies with the relationships in formulas (I) and (II): Cutoff current value A2≧set current value A1×X (I) X=(cell resistance R1 of secondary cell in target SOC [Ω]×set current value A1 [A])/upper-limit voltage V1 [V]. (II)
Charging current calibration
Exemplary embodiments are directed to systems, devices, methods, and computer-readable media for calibrating a charging current. A device may include a charger for conveying an output voltage to a chargeable device. The device may also include a monitoring system including an analog-to-digital converter for measuring a current received by the chargeable device. Further, the device may include a control device configured to receive a charging current value from the monitoring system and convey a signal to the charger in response to a comparison of the charging current value to a target current value.
System and methods for managing a degraded state of a capacitor system
This disclosure provides systems, methods and apparatus for managing a capacitor system. In one aspect, an energy storage system includes a capacitor system, a charging circuit, and a controller. The capacitor system includes one or more capacitors. The charging circuit is configured to charge the capacitor system to a first target voltage. The controller is configured to detect a first condition and is programmed, in response to the first condition, to instruct the charging circuit to charge the capacitor system to a second target voltage that is less than the first target voltage. The controller is programmed to provide a notification that the capacitor system is operating in a degraded state.
Module bypass switch with bypass current monitoring
A battery pack system module may include a module bypass switch for allowing charge current to bypass the battery pack system module. The module bypass switch may be activated to divert charging current from the battery pack system module to other battery pack system modules. The charging current may be diverted to bring other battery pack system modules into balance with the battery pack system module. That is, to bring the state of charge of all battery pack system modules into coarse balance. When the module bypass switch is activated, charging current through the module bypass switch may be monitored by a current sensing device such as a current sensing resistor. A microprocessor may receive information about the bypass current level and use the information to determine when to de-activate the module bypass switch. Sensing current through a module bypass switch allows more accurate and quicker inter-module balancing.
Charger external power device gain sampling
A power management unit accurately measures and controls charging current. The power management unit may be implemented more efficiently than prior designs, leading to cost savings in the implementation of the power management unit as well as in the implementation of the device that incorporates the power management unit. The power management unit incorporates a model of an external charge control device (e.g., a transistor) and uses that model in a way that allows the power management unit to eliminate external device pins and other circuitry.
Methods and systems for adjusting battery voltage limits
Methods and systems for adjusting the voltage limits of a battery. In some implementations, voltage data may be received from each of a plurality of battery sections of a vehicle battery. A voltage offset for the vehicle battery may be calculated using the voltage data. The voltage offset may be calculated by determining a difference between an average voltage taken from each of the plurality of battery sections and at least one of a minimum voltage of all of the battery cells and an average cell voltage from a battery section having the lowest average cell voltage. The voltage offset may be applied to dynamically adjust a voltage limit associated with the vehicle battery so as to prevent any of the battery cells in the vehicle battery from exceeding the voltage limit.
Wireless power transmitter
An example wireless power transmitter is configured for wirelessly transmitting a signal to a power receiving apparatus including a first resonance circuit and a load circuit. The first resonance circuit includes a power receiving coil and a first capacitor. The example wireless power transmitter includes a power supply that has a variable oscillation frequency and generates a signal having the oscillation frequency; a second resonance circuit that transmits the signal to the power receiving apparatus; a measuring unit that measures a signal reflection coefficient, the signal reflection coefficient being determined based on magnitude of the signal and magnitude of a signal reflected on the second resonance circuit to the power supply; and a controller that detects a value of the oscillation frequency making the signal reflection coefficient smaller than or equal to a threshold value, and calculates an electromagnetic coupling coefficient between the power transmission coil and the power receiving coil based on the detected value.
Systems and methods for reducing energy usage
A system for detecting individual appliance energy loads from a building composite load profile includes an electric meter to capture building composite load profile; a detector coupled to the meter to detect transitions in the load profile to determine an appliance state machine for each appliance; a clusterizer to detect clusters of patterns in the load profile; and an analyzer coupled to the detector to receive the transitions and appliance state machines from the detector, the analyzer matching each transition to a predetermined appliance state machine to disaggregate the building composite load profile into individual appliance energy loads.
The present invention discloses a power strip including a plurality of power sockets and at least one USB port. The power strip includes a high-voltage side circuit and a low-voltage side circuit. The high-voltage side circuit includes a power input terminal, a plurality of AC output terminals, and a first power circuit. The low-voltage side circuit includes a DC output terminal, a second power circuit, and a control unit. Each AC output terminal is coupled with the power input terminal and one of the power sockets and at least one AC output terminal powers the corresponding power socket according to a control signal. The second power circuit senses the first DC power before generating and transmitting a corresponding second DC power to the USB port through the DC output terminal. The control unit powered by the second DC power is configured to generate the control signal.
Polyphase power distribution and monitoring apparatus
A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible alarm for each phase of power if the current exceeds a predetermined value or falls below a predetermined value. In three-phase wye power systems, the apparatus preferably includes a neutral line monitor, including a neutral line current display and audio alarm, for the neutral line of the wye power circuit. The apparatus preferably is lightweight, elongated, portable, and mountable to the side of an electronic equipment rack. It may also include additional power monitoring systems such as network power monitoring tools for remotely monitoring the apparatus.
Controlling the distribution of motor vehicle battery power to consuming devices during battery discharge
A user of an automobile interactive onboard computer display monitors and controls battery power distribution during discharge. The user is enabled to interactively enter into a computer controlled display, proportions of the total battery power to be distributed to each of a set of devices. The distribution of the battery power to each of the devices is then monitored. The distribution of power to a specific device is halted when the power distributed to the specific device reaches the maximum of the proportion of the entered battery power to be distributed to the specific device.
Rigid flex electromagnetic pulse protection device
An EMP/HEMP protection device for protecting equipment from electromagnetic pulses. The protection device includes a housing defining a cavity therein and separated into two chambers, a dirty chamber for propagation of signals before filtering of electromagnetic interference, and a clean chamber, isolated from the dirty chamber, for propagation of signals after filtering. A rigid-flex printed circuit board (PCB) is disposed in the cavity for facilitating electrical connections between the chambers. Surface mount electrical components for EMP/HEMP protection are coupled with the rigid-flex PCB. Power and/or data signals are transferred from the dirty chamber to the clean chamber though a wave guide below cutoff (WBC). The WBC is formed from opposing electrical ground planes within a center PCB of the rigid-flex PCB. An electrically conductive and weather sealing gasket is disposed in the cavity of the housing for further EMI isolation.
Method for the operation of an inverter, and inverter
The invention relates to a method for operating an inverter (1), in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor component (12, 13), and a temperature monitoring device (15) that has multiple temperature sensors (16, 17, 18) which sense the temperature of at least one part of at least one of the phase systems (2, 3, 4). In said method, a temperature gradient is determined from each of the sensed temperatures, the difference of the determined temperature gradients from each other is ascertained, and if the difference exceeds at least one threshold value, a fault of a cooling device of the inverter (1) is identified. The invention further relates to an inverter (1).
Molded testable long term subsea abandonment cap for electrical cables and method of manufacture
An umbilical cable assembly is created by a process which, in an embodiment, fits an abandonment cap onto an end of an electrically conductive cable as well as a polyethylene disc into which a set of connection pins have been pre-molded. The abandonment cap is injection molded onto the end of the electrically conductive cable where a cylindrical volume of polyethylene is concurrently injection molded to the polyethylene disc. In certain embodiments some of the connection pins are connected to the umbilical's conductive power core. The abandonment cap, fitted to an umbilical exposed end, includes an injection molded, substantially cylindrical volume of polyethylene disposed over the cable sheath; the disc in which a set of connection pins have been pre-molded; the concurrently injection molded, substantially cylindrical volume of polyethylene disposed over the disc; and a protective cover disposed at least partially over the disc proximate an exposed end of the umbilical's conductive power core.
Wind energy plant having a twistable nacelle cable guide
A wind energy installation includes a tower and a nacelle arranged at the top of the tower such that it can swivel in the azimuth direction. The installation also includes a plurality of cables which are guided via a loop from the tower into the nacelle, the cables being held at a distance from one another in the loop by means of rotationally fixed and loose holders. The holders each have receptacles for attachment of the cables with a predetermined circumferential separation. The holders include a lower rotationally fixed guide ring and an aligning upper loose guide ring. A loop guide is formed such that the loop is subdivided by means of the rotationally fixed lower guide ring into a curved untwisted area and an extended twisted area.
Electrical cord attachment assembly for a hand mixer
A hand mixer includes an outer casing and a mixing element coupled to an electric motor. The hand mixer includes a cord guide that is configured to pivot about a pivot axis, an electrical cord extending through the cord guide, and a retaining clip that engages the cord guide to couple the cord guide to the outer casing. The hand mixer also includes a locking mechanism operable to retain the cord guide in a first position about the pivot axis.
Fastener assembly and electrical junction box for same
A fastener assembly for releaseably fastening a first body to a second body is disclosed. The fastener assembly has a manual rotating mechanism to permit closing of the fastener by hand. Once closed, the manual rotating mechanism is not easily accessible to the user by hand. A separate tool operating rotating mechanism is accessible by a tool when the fastening mechanism is in the closed position. The fastening mechanism can be used to fasten a lid to a box in which case the lid has a recess for receiving the manual rotating mechanism.
Manufacturing method of spark plug
A manufacturing method for manufacturing a spark plug including a rod-shaped center electrode extending in an axial direction, an insulator having a tubular shape having an axial hole and holding the center electrode in the axial hole, a metal shell having a tubular shape having an end surface and an inner peripheral surface, a gap being formed between a leading end side of the insulator and the inner peripheral surface, and a ground electrode welded to the end surface, the manufacturing method including welding the ground electrode to the end surface, and removing welding sag, which is formed inside the metal shell by the welding, by causing a tip end portion of a linear member to come into contact with the welding sag while rotating a tool in which a base end portion of the linear member is fixed.
Spark plug and assembling structure thereof
A spark plug having a metallic shell extending along an axis (CL1) and a solid annular gasket. The metallic shell has an externally threaded portion and a seat portion, and the gasket has an inside diameter smaller than the thread diameter of the externally threaded portion and is provided between the externally threaded portion and the seat portion. The forward end surface of the gasket has an inclined portion which inclines rearward with respect to the direction of the axis (CL1) from the radially outer side toward the raidally inner side. The thickness of the gasket along the axis (CL1) is 2.0 mm or less; the distance along the axis (CL1) between the outermost circumferential edge and the innermost circumferential edge of inclined portion is 0.02 mm to 0.12 mm; and the Vickers hardness of the gasket is 60 Hv or more.
Three-terminal vertical cavity surface emitting laser (VCSEL) and a method for operating a three-terminal VCSEL
A three-terminal VCSEL is provided that has a reduced fall time that allows the VCSEL to be operated at higher speeds. Methods of operating the three-terminal VCSEL are also provided. The VCSEL can be operated at higher speeds without decreasing the optical output of the VCSEL when its in the logical HIGH state.
Active optical assembly having heat sink structure
An active optical assembly includes a paddle card, an optical-electrical module including an opto-electronic communication device electrically connected with the paddle card, a heat sink ring mounted to the paddle card, an optical cable subassembly inserted into the heat sink ring and optically coupling with the optical-electrical module, and a heat sink cover mounted to the heat sink ring. The heat sink cover, the heat sink ring, and the paddle card cooperate to enclose the optical-electrical module so as to transfer heat generated by the opto-electronic communication device to the heat sink ring and the heat sink cover for dissipation.
External cavity laser
Embodiments of systems and methods are provided for a tunable laser device. The tunable laser device may include a diffraction grating connected to a pivot arm that pivots the diffraction grating about a pivot point to tune the laser device. In pivoting the diffraction grating about the pivot point, both the wavelength to which the diffraction grating is tuned and the length of the optical cavity may be changed. The length of the pivot arm may be selected to reduce the number of mode hops of the tunable laser device when tuning the laser device over its tuning range.
Optical fiber laser equipment
An optical fiber laser device includes optical reflectors making an invisible laser light from an amplification optical fiber; a light source outputting a visible light; an introduction unit outputting the laser light input to a first input terminal from a first output terminal mainly, outputting the visible light input to a second input terminal from the first output terminal mainly, inputting the visible light output by the light source connected to the second input terminal and introducing the visible light to the amplification optical fiber or a output optical fiber via the first output terminal; an optical multiplexer/demultiplexer outputting the visible light to the introduction unit, and outputting a leaking return light input from a side of the introduction unit; and a controller outputting the visible light from the output optical fiber in a case of determining a position at which the laser light will be irradiated.
Method and apparatus for detection of failure of an optical amplifier
An apparatus and method of failure detection in optical amplifier is disclosed. The optical amplifier includes an optical amplifying fiber configured to receive input light so that the input light travels through the optical amplifying fiber, an excitation light generator configured to supply excitation light to the optical amplifying fiber to optically amplify the input light as the input light travels through the optical amplifying fiber, and a processor configured to determine whether a failure has occurred in the optical amplifier, based on a change in power of the excitation light and a change in power of the input light.
Q-switched all-fiber laser
A Q-switched all-fiber laser has a long period fiber grating (LPFG) switch with optical spectral characteristics that are controlled by application of stress. An actuator applies stress to selected sections of the LPFG in order to switch a fiber laser cavity at a specified wavelength. A controller controls the application of stress in the time domain, thereby switching the Q-factor of the fiber laser cavity.
Q-switched all-fiber laser
A Q-switched all-fiber laser utilizes a long period fiber grating (LPFG) modulator. The LPFG modulator is characterized by optical spectral characteristics that are controlled by application of stress via an actuator. In particular, the actuator applies stress to selected sections of the LPFG in order to modulate a light signal at a specified wavelength. Further, a controller is utilized to control the application of stress in the time domain, and thereby switch the Q-factor of the fiber laser cavity. In addition to the LPFG, the laser cavity comprises a pair of fiber Bragg gratings (FBGs) and a fiber gain medium.
Generation of frequency combs and sinc-shaped nyquist pulse trains with a large bandwidth and tunable repetition rate
A method for generating an optical frequency comb with a defined number of frequency comb lines with an adjustable spacing therebetween includes generating an input frequency comb comprising a multiplicity of input frequency comb lines with a light source. Individual frequency comb lines having an identical frequency spacing are filtered out of the multiplicity of input frequency comb lines so as to obtain filtered frequency comb lines. A first modulating of the filtered frequency comb lines is performed at a first modulation frequency so as to generate first sideband lines. The first sideband lines are generated by the first modulating so that the filtered frequency comb lines and the first sideband lines have an identical frequency spacing.
Apparatus for precision insertion
Systems, apparatuses and methods are described herein for precision insertion. In various embodiments, a feeder device may be configured to feed an object such as wire from a wire source into a wire path. In various embodiments, a guidance device with a channel that at least partially defines the wire path may receive the wire fed from the feeder device. In various embodiments, a base may be provided for mounting at least one of a first substrate having a first aperture and a second substrate having a second aperture so that the first aperture of the first substrate is aligned with the second aperture of the second substrate. In various embodiments, the base may be configured to be movable relative to the guidance device to position the first substrate or second substrate so that the first or second aperture is aligned with the wire path.
Systems and methods for coupling coiled conductors to conductive contacts of an electrical stimulation system
An implantable lead includes an elongated member. A plurality of electrodes are disposed on a distal end of the elongated member. A plurality of terminals are disposed on a proximal end of the elongated member. Each of a plurality of conductors electrically couples at least one of the electrodes to at least one of the terminals. The plurality of conductors are disposed in the elongated member in a coiled configuration and have an end portion. Each of a plurality of constraining elements is disposed over at least one of the plurality of conductors such that the underlying at least one of the plurality of conductors is maintained in the coiled configuration. At least one of the plurality of electrodes or terminals is disposed over the constraining element and electrically coupled to at least one of the plurality of conductors.
Recessed hinge with electrical connection
A hinge for recessed installation between a door frame and a door panel has two housings adapted for recessing in the door frame and an edge of the door panel, a link assembly extending between and pivotally interconnecting the two housings, and a multiconductor cable extending between the housings and having opposite ends each in a respective one of the housings. Respective connectors on the ends of the cable are fixed in the housings.
High performance contact element
A contact element for providing high current capabilities between an electrical contact and a mating contact. The contact element includes multiple first resilient contact arms and multiple second resilient contact arms. The first contact arms and the second contact arms have first contact sections and second contact sections. The first contact sections electrically engage the mating contact when the mating contact is fully inserted into the electrical contact. The second contact sections electrically engage a portion of the electrical contact when the mating contact is fully inserted into the electrical contact. The first contact sections and the second contact sections provide redundant contact sections which allow for the passage of a high amperage current with low resistance and low temperature.
Power connection system
An AC cord/plug is “dead” while disconnected and goes “live” only when connected. The plug has a set of spring-loaded, normally-open contacts, each having two sets of fixed contacts and a single set of movable contacts. The movable contacts are in a spring-loaded assembly that has an iron core opposite the contacts, and the fixed contacts are in a hermetically sealed compartment shielding them from the plug's exterior. The AC plug inputs (L1, L2) are connected to one set of the normally open, fixed contacts, and the plug's socket terminals are connected to the other set of normally opened, fixed contacts. In the unplugged state, the plug's socket contacts are electrically isolated from the L1 and L2 inputs. When plugged-in, the plug's socket terminals go “live” when a magnetic circuit closes between the plug and socket that causes the plug's spring-loaded assembly to move to close the contacts.
Power outlet capable of providing power in a controlled manner and method for configuring the same
A power outlet capable of providing power in a controlled manner is disclosed. The power outlet may include a notification unit, a power input unit for receiving a power, a power output unit for outputting the power, a switching unit having a controlled switch for controlling the whether the power input unit is connected to the power output unit, in order to control a power supply mode of the power outlet, a configuration unit for generating a configuration signal, and a control unit, according to the configuration signal, for setting up an initial time value, driving the notification unit to generate a first notification signal, and counting down from the initial time value.
Grounding plug system for cables
A ground cable plug assembly configured to accept a cable and provide necessary connections for accomplishing a grounding function. In one approach, the cable plug assembly is configured to accept and ground a coaxial cable. In another approach, the cable plug assembly accepts and grounds an HDMI cable.
Communications plugs having capacitors that inject offending crosstalk after a plug-jack mating point and related connectors and methods
Communications plugs are provided that include a plug housing. A plurality of plug contacts are mounted in a row at least partly within the plug housing. The plug contacts are arranged as differential pairs of plug contacts. Each of the differential pairs of plug contacts has a tip plug contact and a ring plug contact. A first capacitor is provided that is configured to inject crosstalk from a first of the tip plug contacts to a first of the ring plug contacts at a point in time that is after the point in time when a signal transmitted through the first of the tip plug contacts to a contact of a mating jack reaches the contact of the mating jack.
Quick lock connector assembly
A quick lock connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals, an outer casing and a locking lever. The locking lever is mounted pivotally on the outer casing and has two locking pins. The male connector is engaged detachably with the female connector and has a second insulative housing and multiple second terminals. The second insulative housing has two locking recesses selectively engaged respectively with the locking pins. The locking lever is able to quickly lock the male connector on the female connector.
Socketed nut coaxial connectors with radial grounding systems for enhanced continuity
Axially compressible F-connectors for conventional installation tools for interconnection with coaxial cable include radially compressed grounding inserts seated within a body fitted to a nut socket. Each connector has a rigid nut, a post penetrating the nut, a tubular, metallic body, and an end cap. The conductive post coaxially extends through the connectors, linking the nut and body. A post end penetrates the coaxial cable. The nut has an integral, tubular socket at its rear that is engaged by a tubular, metallic connector body. The body front has at least one groove for receiving a peripheral grounding insert, preferably in the form of a coiled spring wrapped around the body, that is radially sandwiched within the nut socket to insure grounding. An end cap press fitted to the assembly coaxially engaging the body, closing the fitting. Internal O-rings may be combined for sealing the connector.
Portable electronic device assembly
A portable electronic device assembly includes a portable electronic device and a peripheral device. The portable electronic device includes a first electronic connection element and a first magnetic element. The peripheral device includes a second electronic connection element and a second magnetic element. When the portable electronic device is placed on the peripheral device, the magnetic force between the second magnetic element and the first magnetic element moves the second electronic connection element such that the first electronic connection element and the second electronic connection element are electrically connected.
After passing through respective contact insertion holes 3A to 3E of a guide connector 3 and penetrating the substrate 110, the contacts 120 are inserted into a female housing 10. After the electrical connection between the contacts 120 and female contacts 20 are respectively established, a slider 1 is pressed down, which causes pressing pins 4 and 5 to press a first movable body 50 and a second movable body 60. With this, a lower stage 50L of the first movable body 50 and a lower stage 60L of the second movable body 60 detach from restriction beams 84 and 85. This allows springs 141 and 142 to extend, to move the first movable body 50 and the second movable body 60 away from the contacts 120.
Cable connecting apparatus, cable assembly, and method of making cable assembly
A cable connecting apparatus includes ground conductors, a first plate member, a second plate member, a separation torsion spring, and engagement members. The ground conductors each include a body that is to be mounted on an outer conductor of a cable, and an arm that is disposed on the body and to be connected to a ground contact of a cable connector. The first plate member and the second plate member clamp the ground conductors in a state in which the ground conductors are arranged side by side. The separation torsion spring and the engagement members are disposed between the first plate member and the second plate member and maintain a constant distance between the plate members.
Electrical connector having an array of signal contacts
Electrical connector including a connector body having a mating side with a communication array of signal and ground contacts and first and second mounting sides with respective mounting arrays of signal and ground contacts. Each of the first and second mounting sides is configured to be mounted to a corresponding circuit board. The connector body includes signal and ground conductors that extend through the connector body and communicatively couple the communication array to each of the mounting arrays. The mating side faces along a mating axis and the first and second mounting sides face in opposite directions along a mounting axis. The mating and mounting axes are perpendicular to each other.
Electrical connector having a pre-molded and an over-molded material
An electrical connector is provided wherein the electrical connector includes an electrical connector neck which separates an electrical connector rear from an electrical connector front and wherein the electrical connector rear includes an electrical connector termination. The electrical connector includes a pre-mold material securely associated with the electrical connector to cover the electrical connector rear and the electrical connector termination. Additionally, an over-mold material is securely associated with the electrical connector to cover a portion of the pre-mold material.
Electrcial connector with improved feature good to automatic mass production
An electrical connector includes an insulating seat and a terminal module embedded with a plurality of first terminals. The terminal module includes an insulating body, the first terminals includes body portions embedded in the insulating body, mating portions extending from the body portions and leg portions extending from the insulating body. The insulating body integrally defines mound portions snugly surrounding the leg portions one by one at a joint of the insulating body and the leg portions.
A connector structure includes a circuit body, a fork terminal, a housing and an insertion member. The circuit body includes a conductor including a two-pronged part having two extended portions, and plated leads arranged at the extended portions respectively. The fork terminal includes a first terminal part and a second terminal part which project from a terminal base so that an insertion space is formed between the first and second terminal parts. The housing includes a fitting part accommodating the fork terminal. The insertion member is inserted into the insertion space through the fitting part in a state where the circuit body is fixed. The circuit body is electrically connected with one of the first and second terminal parts with the insertion of the insertion member.
Electrical connector assembly
Electrical connectors for interconnecting circuit boards. One such connector includes an integral flange for mounting a guidance pin in any of multiple orientations. A corresponding keying block may have a polarization component that can be mounted in a corresponding number of positions. The connector can accept conductive elements with different shapes for signals and grounds, but the housing may be adapted to receive either type of contact in any contact location. Protection of contact elements from excessive yield is provided within the insulative housing of the backplane connector. On the daughter card connector, height difference between ground and signal contacts in wafer assemblies protects components from electrostatic discharge.
Coaxial cable connector with radio frequency interference and grounding shield
A radio frequency interference (RFI) and grounding shield for a coaxial cable connector is disclosed. The shield comprises a circular inner segment and at least one arcuately shaped pre-formed cantilevered annular beam attached to the circular inner segment by a joining segment. The at least one pre-formed cantilevered annular beam extends angularly from a plane of the circular inner segment. The at least one pre-formed cantilevered annular beam applies a spring-force to a surface of the surface of a component of the coaxial cable connector establishing an electrically conductive path between the components. The at least one pre-formed cantilevered annular beam comprises an outer surface with a knife-like edge that provides a wiping action of surface oxides on component surfaces of the coaxial cable connector and allows for unrestricted movement when the coaxial cable connector is attached to an equipment connection port of an appliance.
Hybrid grounding connector
A hybrid grounding connector is provided which combines the positive attributes of currently used connections. A recess is pre-milled, formed or extruded into the body of a compression connector and the recess is pre-filled with solder. After conductors are installed in the connector, an external heat source is applied to heat the solder until it flows into strands of the conductors and forms a solidified joint of the compression connector.
Single-feed multi-cell metamaterial antenna devices
Designs and techniques of Composite Right-Left Handed (CRLH) Metamaterial (MTM) antenna devices, including a CRLH MTM devices that include MTM cells formed on a substrate and a conductive launch stub formed on the substrate to be adjacent to each of the MTM cells and electromagnetically coupled to each of the MTM cells.
Broadband circularly polarized bent-dipole based antennas
Technologies are presented for providing circularly polarized antenna topologies based on multiple bent-dipole elements over a ground plane configuration. In some examples, Moxon based cross radiating elements may be fed through a hybrid 90° quadrature coupler. The radiating element may be widened and tapered relative to a standard bent-dipole configuration forming bow tie structures with approximately 90° bends to achieve broadband operation. The tapered branches may be split into two sub-branches and the bend angle increased to further increase bandwidth and gain of the antenna.
Antenna with multiple coupled regions
An antenna having a driven element coupled to multiple additional elements to resonate at multiple frequencies. A magnetic dipole mode is generated by coupling a driven element to a second element, and additional resonances are generated by coupling additional elements to either or both of the driven or second element. One or multiple active components can be coupled to one or more of the coupled elements to provide dynamic tuning of the coupled or driven elements.
A chip antenna is mounted on a mother substrate including a feed line. In a representative embodiment, the chip antenna includes a laminated body including plural insulating layers, a radiating conductor element, a parasitic conductor element, a coupling adjusting conductor plate, and a LGA. The radiating conductor element is connected to the feed line via a first flat electrode pad of the LGA. On the other hand, the coupling adjusting conductor plate is provided between the radiating conductor element and the parasitic conductor element, and both end sides of the coupling adjusting conductor plate are connected to second and third flat electrode pads of the LGA. Another representative embodiment does not include a coupling adjusting conductor plate in the laminated body and includes an LGA that may or may not include second and third flat electrode pads.
A radar or other microwave antenna comprises at least one antenna element, a feed structure for the element extending to the antenna element substantially normally thereto through a dielectric substrate, and characterized in that the dielectric substrate is anisotropic whereby to reduce unwanted common-mode currents in the feed structure. The anisotropy may be provided by elongate conductive elements distributed through the dielectric substrate and aligned with their longitudinal axes parallel to the feed structure.
Structural wideband multifunctional aperture manufacturing
A structural wideband aperture assembly and methods are presented. A non-conductive structural backsheet comprises electrical vias. A structural egg-crate core comprises a grid of core strips coupled to the non-conductive structural backsheet and is configured substantially perpendicular to the non-conductive structural backsheet around open boxes. A non-structural grid of antenna feed cards is configured substantially perpendicular to the non-conductive structural backsheet and crosses the core strips. A non-structural grid of antenna feed cards comprises intersections configured within the open boxes, and electronic feed-lines aligned with the electrical vias. Antenna array unit cells comprising antenna cards coupled to the non-structural grid of antenna feed cards and configured to fit within the open boxes.
Multimode antenna structure
A multimode antenna structure is provided for transmitting and receiving electromagnetic signals in a communication device. The communication device includes circuitry for processing signals communicated to and from the antenna structure. The antenna structure includes a plurality of antenna ports for coupling to the circuitry; a plurality of antenna elements, each operatively coupled to a different one of the antenna ports; and a plurality of connecting elements. The connecting elements each electrically connect neighboring antenna elements such that the antenna elements and the connecting elements are arranged about the periphery of the antenna structure and form a single radiating structure. Electrical currents on one antenna element flow to connected neighboring antenna elements and generally bypass the antenna ports coupled to the neighboring antenna elements such that an antenna mode excited by one antenna port is generally electrically isolated from a mode excited by another antenna port at a given desired signal frequency range, and the antenna structure generates diverse antenna patterns.
Test system having test stations with adjustable antennas
A test system may include a master test station and slave test stations. The test stations may receive devices under test such as portable wireless electronic devices. Each test station may have adjustable antenna structures coupled to test equipment. The adjustable antenna structures may include antenna support structures on which test antennas are mounted and rail along which the antenna support structures and test antennas are moved by a pneumatic positioner. A rotatable platform may be provided in each test station to support the device under test in that test station. By making a series of over-the-air test measurements in the master test station while adjusting the antenna system and device positioning system, a satisfactory location for the active test antenna and device position may be identified. This configuration may then be used in performing single-point over-the-air tests in the slave test stations.
Flexible printed circuit structures
Flexible printed circuit structures may be provided that have regions with different electrical and mechanical properties. A flexible printed circuit substrate may be formed from a sheet of polymer having different regions with different thicknesses. The flexible printed circuit substrate may be bent in a thin region of the substrate. Additional flexible printed circuit substrate portions may be coupled to the flexible printed circuit substrate. The additional portions may have different substrate thicknesses. A groove or other recess may be formed in a flexible printed circuit substrate to promote bending. Openings may also be formed in the substrate to promote bending.
Antenna device for a portable terminal
An antenna device attains good antenna performance using at least one or more metal members installed in a portable terminal. The antenna device includes a main board equipped with a power supply part for supplying power, a slot part which is positioned in at least one or more metal members or is formed by a combination of the metal members, and a power supply antenna member for receiving power from the power supply part and which is electromagnetically coupled with the slot part.
Tunable antenna system
An electronic device antenna may be provided with an antenna ground. An antenna resonating element may have a first end that is coupled to the ground using an inductor and may have a second end that is coupled to a peripheral conductive housing member in an electronic device. The peripheral conductive housing member may have a portion that is connected to the ground and may have a portion that is separated from the ground by a gap. The gap may be bridged by an inductor that couples the second end of the antenna resonating element to the antenna ground. The inductor may be bridged by a switch. A tunable circuit such as a capacitor bridged by a switch may be interposed in the antenna resonating element. The switches that bridge the gap and the capacitor may be used in tuning the antenna.
Ganged circulator device
A ganged circulator device for isolating a transmitter and increasing the power level, isolation performance, and input VSWR performance of an IBOC combiner module is provided. The ganged circulator device includes an input power divider, a ganged circulator module, and an output power combiner. The input power divider includes a first input port, a second input port, and a plurality of output ports. The ganged circulator module includes a plurality of circulators and a plurality of load resistors. The module also includes input ports corresponding to and electrically connected to the plurality of output ports on the input power divider. The output power combiner includes a first output port, a second output port, and plurality of input ports corresponding to and electrically connected to a plurality of output ports of the ganged circulator module. An input signal is applied at the first input port of the input power divider, and an output signal is transmitted from the second output port of the power combiner. A first load resistor is electrically connected to the second input port of the power divider, and a second load resistor is connected to the first output port of the power combiner.
Band switch with switchable notch for receive carrier aggregation
A band switch with a switchable notch for receive carrier aggregation is disclosed. The band switch has at least one input and an output with at least one series switch coupled between the at least one input and the output. The at least one series switch is adapted to selectively couple the input to the output in response to a first control signal. The band switch also includes at least one shunt switch coupled between the at least one input and a voltage node. The at least one shunt switch is adapted to selectively couple the at least one input to the voltage node in response to a second control signal. In addition, at least one notch filter is selectively coupled to the output in a shunt configuration, wherein the at least one notch filter is configured to attenuate signals within a stop band to attenuate harmonics and distortion.
Solid lithium ion conducting electrolytes and methods of preparation
A composition comprised of nanoparticles of lithium ion conducting solid oxide material, wherein the solid oxide material is comprised of lithium ions, and at least one type of metal ion selected from pentavalent metal ions and trivalent lanthanide metal ions. Solution methods useful for synthesizing these solid oxide materials, as well as precursor solutions and components thereof, are also described. The solid oxide materials are incorporated as electrolytes into lithium ion batteries.
Nonaqueous electrolyte solution, method for producing same, and nonaqueous electrolyte battery using the electrolyte solution
The present invention provides a non-aqueous electrolytic solution including a methylenebissulfonate derivative and improving initial irreversible capacity and other characteristics of a battery such as cycle characteristics, electric capacity, and storage characteristics; a method for producing thereof; and a battery using the electrolytic solution. The non-aqueous electrolytic solution includes: (1) a non-aqueous solvent comprising a cyclic carbonate ester, a straight chained carbonate ester, and/or a cyclic carboxylic acid ester, (2) a lithium salt which may be dissolved in the non-aqueous solvent, as an electrolyte salt, and (3) a methylenebissulfonate derivative of formula [I]: The method includes steps of dissolving a lithium salt in a non-aqueous solvent, and then dissolving the methylenebissulfonate derivative. The non-aqueous electrolytic solution battery includes (i) the non-aqueous electrolytic solution above, (ii) a negative electrode, (iii) a positive electrode, and (iv) a separator.
High capacity anode materials for lithium ion batteries
High capacity silicon based anode active materials are described for lithium ion batteries. These materials are shown to be effective in combination with high capacity lithium rich cathode active materials. Supplemental lithium is shown to improve the cycling performance and reduce irreversible capacity loss for at least certain silicon based active materials. In particular silicon based active materials can be formed in composites with electrically conductive coatings, such as pyrolytic carbon coatings or metal coatings, and composites can also be formed with other electrically conductive carbon components, such as carbon nanofibers and carbon nanoparticles. Additional alloys with silicon are explored.
Molten carbonate fuel cell
A molten carbonate fuel cell, which makes a separator unnecessary, cuts down the number of components, and markedly reduces the costs, is provided. In the cell, a cathode, an electrolyte plate holding an electrolyte, and an anode are provided concentrically with a tube body, the electrolyte plate is held by the anode, and the electrolyte plate is sandwiched between the anode and the cathode, so that the cell is constructed without the use of a separator.
Solid oxide fuel cell
An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and has a Mg/Si molar ratio of 1.90 to 2.2 both inclusive, and an A-to-B ratio (A/B) of 0.0% to 9.0% both inclusive, where A denotes a maximum peak height which appears at a diffraction angle 2θ=26.5° to 27.0° and B denotes a maximum peak height which appears at 36.5° to 37.0° in a powder X-ray diffraction pattern obtained by using Cu-Kα radiation.
Assemblies for electrochemical devices
MEA 7-layer assemblies with gasket, comprising: a film of ionomeric membrane (3), containing functional acid groups —SO3H and/or —COOH, having in at least one direction, called direction x, a size variation lower than 0.08%; two GDL sheets (1) and (2) in porous material having on one surface an electrocatalytic layer, not shown in the Figures, of which: the first sheet DGL (1) is coextensive with the membrane (3) surface, positioned so as to overlap thereto; the second sheet GDL (2), having a lower width but the same length of the film of membrane (3), measured in the x direction; the two sheets (1) and (2) placed so that the electrocatalytic layer comes into contact, respectively, with each of the two membrane faces; a gasket positioned according to a frame shape along the assembly perimeter.
Fuel cell stack
A casing of a fuel cell stack has stack deformation prevention structure for limiting the change of an interval between end plates on the lower side in a direction of gravity, due to swelling of the lower side of the stack body in the direction of gravity. The stack deformation prevention structure is configured such that elastic modulus of a side plate provided on a lower side of the stack body in the direction of gravity is higher than elastic modulus of a side plate provided on an upper side of the stack body in the direction of gravity.
Fuel cell module
A fuel cell module includes a fuel cell stack, a partial oxidation reformer for reforming a mixed gas of a raw fuel and an oxygen-containing gas, a steam reformer for reforming a mixed gas of the raw fuel and water vapor, an evaporator for supplying water vapor to the steam reformer, a heat exchanger for raising the temperature of the oxygen-containing gas by heat exchange with a combustion gas, and an exhaust gas combustor for producing the combustion gas. A fuel gas discharge chamber of the steam reformer is connected to a fuel gas supply passage of the fuel cell stack through a fuel gas channel, a fuel gas outlet of the partial oxidation reformer is connected to a mixed gas supply chamber of the steam reformer through a fuel gas pipe, and a water vapor pipe extending from the evaporator is merged to the fuel gas pipe.
Fuel cell system
A fuel cell system (1) of the present invention includes a fuel cell stack (10) including plural single fuel cells (11) stacked on each other, each single fuel cell being supplied with hydrogen gas and air to an anode electrode (14) and a cathode electrode (13), respectively, to generate electricity. The system (1) further includes a voltage applying device (C9) that applies voltage to the fuel cell stack (10) after oxygen present in the cathode electrode (13) is reduced. The system (1) further includes a cross-leakage diagnosis device (C12) that diagnoses, based on voltage of the single fuel cells (11) when the voltage applying device (C9) applies the voltage to the fuel cell stack (10), whether hydrogen gas in the anode electrode (13) is cross-leaked to the cathode electrode (14) in each single fuel cell (11).
Fuel cell system having a safety mode
A fuel cell system for providing power to a load, and having a safety mode, is disclosed. The system includes a fuel cell configured to convert fuel to electrical power and coupled so as to provide electrical power at a fuel cell power output, a system power port having a power connection and a data connection, configured to be reversibly coupled to the load, a power connection controller, coupled to the fuel cell power output and to the system power port, and configured to enable and disable the power connection, and a fuel cell system controller coupled to the fuel cell, the data connection and the power connection controller. The fuel cell system controller has a normal mode and a safety mode. A user selection determines whether the fuel cell system controller is in the normal mode or the safety mode. If the load has a smart power port, the data connection is configured to communicate over the smart power port. In the normal mode, the fuel cell system controller is configured to enable the power connection independent of the data connection. In the safety mode, the fuel cell system controller is configured to enable the power connection only when an approved communication is received over the data connection from the load. A related method for operating the fuel cell system is also disclosed.
Fuel cell system
A fuel cell system that is capable of suppressing temperature change of the fuel cell under a low temperature environment after the operation has stopped, suppressing freezing due to condensation, and ensuring a preferable start thereafter. The fuel cell system comprises: a fuel cell that generates electric power through an electrochemical reaction between air and a hydrogen gas; a gas supply section that supplies air and the hydrogen gas to an air supply path, a fuel supply path and a hydrogen circulation path which are connected to the fuel cell by a compressor and a hydrogen pump; a cooling section that cools the fuel cell by making a cooling path connected to the fuel cell to circulate by a pump the cooling water that is cooled by a radiator; and a control section.
Graphene nanocomposites for electrochemical cell electrodes
A composite composition for electrochemical cell electrode applications, the composition comprising multiple solid particles, wherein (a) a solid particle is composed of graphene platelets dispersed in or bonded by a first matrix or binder material, wherein the graphene platelets are not obtained from graphitization of the first binder or matrix material; (b) the graphene platelets have a length or width in the range of 10 nm to 10 μm; (c) the multiple solid particles are bonded by a second binder material; and (d) the first or second binder material is selected from a polymer, polymeric carbon, amorphous carbon, metal, glass, ceramic, oxide, organic material, or a combination thereof. For a lithium ion battery anode application, the first binder or matrix material is preferably amorphous carbon or polymeric carbon. Such a composite composition provides a high anode capacity and good cycling response. For a supercapacitor electrode application, the solid particles preferably have meso-scale pores therein to accommodate electrolyte.
Cathode current collector for electrical energy storage device and method for manufacturing the same
Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed.
Shape memory polymer material compositions, methods and applications
A shape memory polymer material composition comprises: (1) a plurality of inorganic core nanoparticles as netpoints to which is connected; (2) a switching segment that comprises a polymer network. The polymer network comprises: (1) a corona component bonded to each inorganic core nanoparticle through a first chemical linkage; (2) a canopy component bonded to each corona component through a second chemical linkage; and (3) a plurality of cross-linking components cross-linking between different canopy components through a third chemical linkage. Given various selections for the inorganic core nanoparticles, the corona component, the canopy component, the cross-linking component, the first chemical linkage, the second chemical linkage and the third chemical linkage, various performance and composition characteristics of the shape memory polymer material compositions may be readily tailored.
A rechargeable battery including: an electrode assembly; and a case including a receiving portion to house the electrode assembly, a junction portion disposed around the receiving portion, formed by bonded films of the case, and gas outlet disposed in the junction portion. The gas outlet includes a first block portion, a second block portion, and a buffering space disposed between the first and second block portions.
On-board battery assembly
An on-board battery assembly includes a cell stack, a blowing member, and a control component. The cell stack includes a plurality of cell modules. The cell stack has one side face that extends generally along a width axis orthogonal to a longitudinal axis of the plurality of cell modules. The blowing member having a blow-out port that has a dimension generally equivalent to a dimension of the one side face. The blowing member includes a casing having a suction port and a flow channel. The flow channel has a width that becomes greater toward the blow-out port. The control component is provided in a space defined between the casing and a plane, which is perpendicular to the width axis, and which includes an end portion of the one side face.
Contoured battery case based on cell shapes
A battery case houses a battery with a plurality of non-prismatic electrochemical cells and at least one electronic component. The battery case includes a plurality of cell housings and at least one electronic component housing that accommodates the at least one electronic component. The plurality of cell housings each (1) define an internal space sized to accommodate one of the electrochemical cells, and (2) include (a) an internal surface at least a portion of which is shaped to substantially correspond to a non-prismatic exterior surface of the one of the electrochemical cells to be housed by the cell housing, and (b) an external surface at least a portion of which follows contours of a corresponding portion of the inner surface.
A sealing case includes a main body with an opening, the main body including a housing space therein, a cover configured to cover the opening of the main body, a first fastening portion along an outer circumferential portion of the opening of the main body, a second fastening portion on the cover and corresponding to the first fastening portion, and a sealing member interposed between the main body and the cover, the sealing member having a ‘U’ shape and being fitted between the first fastening portion on the main body and a second fastening portion on the cover.
Power storage device usable at low temperatures
A power storage device includes a fuel cell (33), a battery holder (1) and an end plate (40) for sandwiching and binding the fuel cell, and an interposed member (11) disposed between the end plate (40) and the fuel cell (33). The battery holder (1) and the end plate (40) are made of resin, and have a positive coefficient of thermal expansion at a temperature lower than a predetermined temperature. The interposed member (11) is formed to have a substantially negative coefficient of thermal expansion at a temperature lower than the predetermined temperature.
Flexible organic electroluminescent device and method for fabricating the same
Disclosed are a flexible organic electroluminescent device, and a method for fabricating the same. The flexible organic electroluminescent device comprises a non-active area formed outside an active area of a substrate; a switching thin film transistor and a driving thin film transistor on the substrate; an interlayer insulating layer formed on the substrate; a first electrode formed on the interlayer insulating layer; a bank formed in the non-active area of the substrate; an organic light-emitting layer formed on the first electrode; a second electrode formed on the organic light-emitting layer; a first passivation layer formed on the substrate; an organic layer formed on the first passivation layer; a partition wall pattern formed on the first passivation layer; a second passivation layer formed on the first passivation layer; and a barrier film disposed to face the substrate.
Optoelectronic component and method for producing an optoelectronic component
An optoelectronic component may include: at least one layer of the optoelectronic component; at least one adhesive on the layer of the optoelectronic component; and a cover on the at least one adhesive; wherein the at least one adhesive is cured only in a partial region above at least one of a substrate and the layer.
Organic light emitting diode having low driving voltage, high brightness, and excellent light emitting efficiencies
An organic electroluminescent device includes an anode, a cathode, a light emitting layer provided between the anode and the cathode, a first organic material layer being in physical contact with the anode and doped with a p-type dopant, and a second organic material layer being in physical contact with the cathode and doped with a p-type dopant. The concentration of the p-type dopant in the first organic material layer is 50% by weight or more and less than 100% by weight.
Hybrid ambipolar TFTs
The present invention relates inter alia to an electronic device, preferably a thin film transistor (TFT) comprising layers with n-type and p-type semi conducting materials, wherein the p-type layer comprises at least one organic hole transport material. Furthermore, the present invention relates to the use of the electronic device according to the invention in an electronic equipment selected from an RFID and backplanes for a display, electronic book and electronic paper, and an electronic equipment comprising an electronic device according to the invention.
Material for organic electronic device, and organic electronic device using same
The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
Non-volatile memory device
According to an embodiment, a non-volatile memory device includes a first conductive layer, a second conductive layer, and a resistance change layer provided between the first conductive layer and the second conductive layer. The resistance change layer is capable of making a transition between a low-resistance state and a high-resistance state, and includes an oxide containing at least one of hafnium (Hf) and zirconium (Zr), at least one selected from the group consisting of barium (Ba), lanthanum (La), gadolinium (Gd) and lutetium (Lu), and nitrogen (N).
Variable resistance memory device including phase change area defined by spacers
A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device includes a multi-layered insulating layer including a plurality of holes formed on a semiconductor substrate, a lower electrode formed in a bottom of each of the holes, a first spacer formed on the lower electrode and a sidewall of each of the holes, a second spacer formed on an upper sidewall of the first spacer, a third spacer formed on a lower sidewall of the first spacer below the second spacer, a variable resistance part that is formed on the lower electrode has a height lower than a height of a top of each hole, and an upper electrode formed on the variable resistance part to be buried in each hole.
Semiconductor structure, resistive random access memory unit structure, and manufacturing method of the semiconductor structure
A semiconductor structure, a resistive random access memory unit structure, and a manufacturing method of the semiconductor structure are provided. The semiconductor structure includes an insulating structure, a stop layer, a metal oxide layer, a resistance structure, and an electrode material layer. The insulating structure has a via, and the stop layer is formed in the via. The metal oxide layer is formed on the stop layer. The resistance structure is formed at a bottom of an outer wall of the metal oxide layer. The electrode material layer is formed on the metal oxide layer.
Piezoelectric generating with location signaling
An apparatus including a piezoelectric convertor layer; at least one piezoresistive layer on the piezoelectric convertor layer; and electrical conductor outputs. The at least one piezoresistive layer includes a plurality of spaced apart piezoresistive electrodes. The apparatus is configured such that when the piezoelectric convertor layer is deformed to generate a charge, at least one of the piezoresistive electrodes is stressed, where the at least one piezoresistive layer is configured to control flow of charge from the piezoelectric convertor layer. The electrical conductor outputs are electrically connected to the piezoresistive electrodes. The outputs are configured to allow the charge from the piezoelectric convertor layer to flow out of the piezoresistive electrodes. The electrical conductor outputs are configured relative to the piezoresistive electrodes to allow identification of the at least one piezoresistive electrode which has been stressed based upon the charge on at least one of the electrical conductor outputs.
Apparatus and method for harvesting energy in an electronic device
An apparatus, a method, and a computer program product are provided. The apparatus may be an electronic component. The electronic component includes at least one energy harvester coupled between at least one pair of hot and cold regions of the electronic component and configured to convert thermal energy to electrical energy in order to provide power to at least the electronic component, the at least one energy harvester including a radiative thermal channel or a conductive thermal channel. A first end of the conductive thermal channel is coupled to a first semiconductor material and a second end of the conductive thermal channel is coupled to a second semiconductor material, the first semiconductor material being coupled to the hot region and isolated from the cold region and the second semiconductor material being coupled to the cold region and isolated from the hot region.
Light emitting element and production method for same, production method for light-emitting device, illumination device, backlight, display device, and diode
A light-emitting element includes a first conductivity type semiconductor base, a plurality of first conductivity type protrusion-shaped semiconductors formed on the semiconductor base, and a second conductivity type semiconductor layer that covers the protrusion-shaped semiconductors.
Light emitting diode
The present invention provides a light emitting diode, which comprises a first LED die and a second LED die, each die comprising a first semi-conductive layer, a second semi-conductive layer, and a multiple quantum well layer disposed between the first and the second semi-conductive layers, wherein the first semi-conductive layer of the first LED die is coupled to the second semi-conductive layer of the second LED die so as to form a serially connected structure whereby the consuming current and heat generation of the light emitting diode are lowered so that the size of heat dissipating device for the light emitting diode can be reduced and illumination of the light emitting diode can be enhanced.
Side-view type light emitting apparatus and package
A surface mount lateral light emitting apparatus, which includes a light emitting device; a first lead frame connected to the light emitting device; a second lead frame connected to the light emitting device; a first resin molding body in which a concave portion for mounting the light emitting device is formed and the first lead frame and the second lead frame are fixed; and a second resin molding body which covers the light emitting device to form a light emitting surface in the concave portion of the first resin molding body, wherein the first resin molding body contains a filler or a light diffusion agent; wherein in a periphery of the concave portion, a width of at least one side of the first resin molding body is not more than 0.2 mm; and wherein the first resin molding body and the second resin molding body are formed with a thermosetting resin.
Light emitting device and lighting equipment
A light emitting device has a base comprising at least one pair of leads having a silver-containing layer on their surfaces and being secured by a resin molded body, a light emitting element mounted on said leads, a protective film made of an inorganic material that covers the upper surface of said base, and a sealing resin disposed on the base surface via said protective film. The sealing resin has a first resin that covers said light emitting element, and a second resin having a higher hardness than said first resin that covers the boundaries between said resin molded body and said leads.
Phosphor and light emitting device having the same
Disclosed are a phosphor and a light emitting device including the same. The light emitting device includes a light emitting chip, a phosphor layer on the light emitting chip, and a phosphor added into the phosphor layer to absorb a light emitted from the light emitting chip and emit a central wavelength having a first blue color. The phosphor has a composition formula of LaxOySi6Al4N12:Ce3+z, a range of the x is 2≦x≦8, and a range of the y is 3≦y≦12.
Semiconductor light emitting element
A semiconductor light emitting element that outputs emitted light having a predetermined emitted light peak wavelength λ includes: at least a substrate; a lower distributed Bragg reflector layer provided on the substrate; and a light emitting layer provided on the lower distributed Bragg reflector layer. At least one phase changing layer having a thickness of mλ/2n (wherein n is the refractive index of the phase changing layer, and m is an integer 1 or greater) is provided within the lower distributed Bragg reflector layer.
Light emitting diode and fabrication method thereof
A light emitting diode includes: a substrate; a light-emitting epitaxial layer, from bottom to up, laminated by semiconductor material layers of a first confinement layer, a light-emitting layer and a second confinement layer over the substrate; a current blocking layer over partial region of the light-emitting epitaxial layer; a transparent conducting structure over the current blocking layer that extends to the light-emitting epitaxial layer surface and is divided into a light-emitting region and a non-light-emitting region, in which, the non-light-emitting region corresponds to the current blocking layer with thickness larger than that of the light-emitting region, thus forming a good ohmic contact between this structure and the light-emitting epitaxial layer and reducing light absorption; and a P electrode over the non-light-emitting region of the transparent conducting structure, which guarantees current spreading performance and reduces working voltage and light absorption.
Light emitting device
A light emitting device includes a first semiconductor layer having a first conductive dopant, an active layer on the first semiconductor layer, an electron blocking layer on the active layer, a carrier injection layer between the active layer and the electron blocking layer, and a second semiconductor layer having a second conductive dopant on the electron blocking layer. The carrier injection layer includes the first conductive dopant and the second conductive dopant, and the first conductive dopant of the carrier injection layer has a concentration lower than a concentration of the second conductive dopant.
Flip-chip light emitting diode and fabrication method
A flip-chip light emitting diode (LED) includes: a substrate having a P-type pad electrode and an N-type pad electrode; a light-emitting epitaxial layer flip-chip mounted over the substrate, including, from top down, an n-type semiconductor layer, an active layer, and a p-type semiconductor layer. The n-type semiconductor layer is divided into a light-emitting region, an isolation region, and an electrode region. The light-emitting region and the electrode region are electrically isolated by the isolation region. The active layer and the p-type semiconductor layer are below the light-emitting region. The p-type semiconductor layer connects with the P-type pad electrode. The electrode region of the n-type semiconductor layer connects with the N-type pad electrode. A conductive connection portion on the n-type semiconductor layer connects the electrode region of the n-type semiconductor layer and the light-emitting region, realizing vertical current injection into the light-emitting epitaxial layer when an external power is connected.