Electronic apparatus having integrated shielding film
An electronic apparatus includes: a casing; a conductive film disposed on an inner surface of the casing, the conductive film having a recess in a surface thereof; a circuit board accommodated in the casing; a semiconductor device disposed on the circuit board; and a conductive frame fixed around the semiconductor device on the circuit board, the conductive frame being fitted in the recess.
Cable management arm
A cable management arm (CMA) for arranging cables extending from at least two areas of an electronic equipment chassis includes first and second cable management mechanisms and first and second supporting mechanisms. The first cable management mechanism serves to arrange cables extending from one of the chassis areas and includes a supporting bracket. The first supporting mechanism serves to support the first cable management mechanism and includes a fastener. The second cable management mechanism serves to arrange cables extending from the other chassis area and includes a supporting bracket releasably mounted to the fastener of the first supporting mechanism. The second supporting mechanism serves to support the second cable management mechanism and includes a fastener releasably mounted to the supporting bracket of the first cable management mechanism.
Housing for accommodating an electric circuit board
In a housing 1 for receiving an electric circuit board 50 it is proposed to provide in a first housing half 2 of the housing 1 a plurality of bearing pads 20, 21 located at various levels. These bearing pads 20, 21 receive, together with counter bearing pads 30, 31 provided in a second housing half 30, the electric circuit board 50. A plurality of support points 55, 56 is provided on the electric circuit board 50, each of which support points 55, 56 is respectively associated with the bearing pads 20, 21 and counter bearing pads 30, 31. By removing individual support points 55, 56, the bearing pads 20, 21 and counter bearing pads 30, 31 are selected, on which the circuit board 50 is supposed to rest. By selecting the bearing pads 20, 21 and counter bearing pads 30, 31 lying at different levels, the level of the electric circuit board 50 in the housing 1 is determined.
Solar powered storage and distribution apparatus
A solar powered storage and distribution apparatus that includes a plurality of slide boards compressively positional within a water and shock resistant housing, each of said plurality of slide boards in detached and separable relation therein, said plurality of slide boards disposed to compressively immobilize and secure an extant battery, fuse box, and charge controller in a stacked and layered arrangement in circuit with each of an at least one power outlet, an at least one interior power outlet, a pair of binding posts, and a power port, when the housing is moved to a closed position.
Flex-rigid wiring board and method for manufacturing flex-rigid wiring board
A flex-rigid wiring board includes a flexible substrate, a non-flexible substrate positioned such that the non-flexible substrate is extending in horizontal direction of the flexible substrate, a first wiring layer formed on first surfaces of the flexible and non-flexible substrates, a second wiring layer embedded in second surfaces of the flexible and non-flexible substrates, a first insulating layer covering the first surfaces of the flexible and non-flexible substrates and having an opening exposing a portion of the first surface of the flexible substrate, and a second insulating layer covering the second surfaces of the flexible and non-flexible substrates and having an opening exposing a portion of the second surface of the flexible substrate. The first wiring layer includes non-embedded wirings on the first surfaces of the flexible and non-flexible substrates, and the second wiring layer includes embedded wirings in the second surfaces of the flexible and non-flexible substrates.
Method for producing a printed circuit board consisting of at least two printed circuit board regions, and printed circuit board
A printed circuit board and a method for producing a printed circuit board consisting of at least two printed circuit board regions, wherein the printed circuit board regions each comprise at least one conductive layer and/or at least one conductive component, wherein printed circuit board regions to be connected to one another, in the region of in each case at least one lateral surface directly adjoining one another, are connected to one another by a mechanical coupling. At least one sub-region or connection port of the conductive layer, and/or a conductive element of the component are electrically conductively coupled to each other at the lateral surface.
Printed wiring board and a method of manufacturing a printed wiring board
A method of manufacturing a printed wiring board with solder bumps includes forming a solder-resist layer having small and large apertures exposing a respective conductive pad of the printed wiring board, loading a solder ball in each of the small and large apertures using a mask with aperture areas corresponding to the apertures of the solder-resist layer, forming a first bump having a first height, from the solder ball in the small aperture, and a second bump having a second height, from the solder ball in the large aperture, the first height being greater than the second height, and pressing a top of the first bump such that the first height becomes substantially the same as the second height. A multilayer printed wiring board includes a solder-resist layer with apertures of differing sizes and solder bumps having substantially equal volumes but a difference in height no greater than 10 μm.
Plug connector assembly with improved appearance
A plug connector assembly for mating with a mating connector including a plug connector comprising an insulative cover defining a receiving space, a printed circuit board (PCB) received in the insulative cover, a mating member mounted on the insulative cover and electrically connected with the PCB, and a front stopple; and a cable connected to the plug connector; wherein the insulative cover comprises a front port and an opposite rear port for the cable to extend through, a channel extends from the front port to the rear port and is connected with the receiving space to extend the mating member out of the insulative cover, and the front stopple fills the front port and the channel.
Method of producing a cermet-containing bushing for an implantable medical device
One aspect relates to a method for producing an electrical bushing for an implantable medical device. The method includes generating an insulation element green compact for an insulation element from an insulating composition of materials. The insulation element green compact is partially sintered. At least one cermet-containing conduction element green compact for a conduction element is formed. The at least one conduction element green compact is introduced into the insulation element green compact. The insulation element green compact and the at least one conduction element green compact are fired to obtain an insulation element with at least one conduction element.
Device for automatically cleaning printed circuit board and the method using the same
Disclosed are a device for automatically cleaning printed circuit board and a method using the same. The device includes: a printed circuit board (PCB) tray, a transferring unit, an elevator unit, a cleaning unit and a unloading deck; the elevator unit includes a horizontal part and a vertical part; when the elevator unit is descended to the lowest position, an upper surface of the transferring unit is at a same horizontal position with an upper surface of the horizontal part of the elevator unit; the elevator unit is located below the cleaning unit, and the unloading deck is located above the transferring unit. The invention can not only save manpower, but also achieve standardization of the cleaning process and improve working efficiency.
Method of manufacturing non-firing type electrode
A method of manufacturing a non-fired type electrode comprising the steps of: (a) applying a conductive paste on a substrate, the conductive paste comprising; (i) 100 parts by weight of a conductive powder; (ii) an organic boron compound comprising an amine borate, a boronic acid, a boronic acid ester, a trimer of the boronic acid or a mixture thereof, wherein the boron element of the organic boron compound is 0.03 to 1.4 parts by weight; and (iii) 20 to 150 parts by weight of an organic vehicle; and (b) heating the applied conductive paste at 100 to 300° C.
Flexible substrates and method of manufacturing the same
A flexible substrate includes a flexible mother substrate and a planarization layer on the flexible mother substrate. Here, the flexible mother substrate includes a transparent textile and a resin layer. The transparent textile includes a plurality of first transparent fibers and a plurality of second transparent fibers crossing the plurality of first transparent fibers, and the resin layer coats the transparent textile to fill a space between the first and second transparent fibers. The planarization layer includes an organic material having a curable contraction rate of no greater than about 20%.
Circuit board with integrated passive devices
Embodiments of the present disclosure are directed towards a circuit board having integrated passive devices such as inductors, capacitors, resistors and associated techniques and configurations. In one embodiment, an apparatus includes a circuit board having a first surface and a second surface opposite to the first surface and a passive device integral to the circuit board, the passive device having an input terminal configured to couple with electrical power of a die, an output terminal electrically coupled with the input terminal, and electrical routing features disposed between the first surface and the second surface of the circuit board and coupled with the input terminal and the output terminal to route the electrical power between the input terminal and the output terminal, wherein the input terminal includes a surface configured to receive a solder ball connection of a package assembly including the die. Other embodiments may be described and/or claimed.
Envelope tracking power amplifier with low impedance supply feed
There is disclosed a supply feed network for an envelope tracking power amplifier arrangement comprising a power amplifier and a voltage modulator for providing a supply voltage to the power amplifier, the supply feed network comprising: a power distribution plane arranged to connect the supply voltage from the voltage modulator to the power amplifier.
Coil-integrated printed circuit board and magnetic device
A coil-integrated printed circuit board includes: a first outer layer which includes a first outer thick electric conductor made of a thick metallic foil and a first outer thin electric conductor made of a thin metallic foil having a thickness smaller than that of the first outer thick electric conductor, and which is exposed to an outside; and a first inner layer which includes an inner thick electric conductor made of a thick metallic foil, and which is not exposed to the outside. Coil patterns are respectively formed by the first outer thick electric conductor and the inner thick electric conductor. A first electronic component is surface-mounted on the first outer thin electric conductor provided on the outer layer.
Housing for electronic circuit unit
A housing for an electronic circuit unit has a housing body and a bus bar. The housing body is made from a resin material and includes a bottom wall part and a side wall part for defining an inner space where electronic components are located. The bus bar includes a base portion buried in the bottom wall part and a folded portion buried in the side wall part. The folded portion includes two ends each connected to the base portion.
Assembly, method of assembling, and tile for use in assembly
An assembly of a plurality of tiles (1) with a carrier (40), wherein the tiles (1) comprise a foil (20) with an electro-physical transducer (10) and electrical connectors (24, 28) to said transducer. The tiles are mechanically and electrically coupled to the carrier, and the tiles overlay according to a fish scale pattern.
Motor control device
An illustrative example motor control device includes a printed circuit board including electronics for motor control. At least one connector is associated with the electronics. The connector is configured for communicating at least one of control signals or power to a motor. A housing includes a first portion configured to receive the printed circuit board and cover over a first side of the printed circuit board. A second portion of the housing is configured to provide access to the at least one connector from outside of the housing. The second portion of the housing inhibits exposure of the printed circuit board to outside contaminants. A third portion of the housing is configured to cover over a second side of the printed circuit board. At least one heat transfer element on at least one of the housing or the printed circuit board facilitates heat transfer from the printed circuit board to the housing.
Heat sink device or heat sink assembly
A heat sinking rapid assembly semiconductor package comprising an electrically segmented conductive assembly post. The post is fabricated comprising at least two independent electrically conductive segments separated by an electrically isolating element. An electrical component, such as a semiconductor device, is assembled to an upper portion of the conductive post, wherein each contact of the component is in electrical communication with a respective conductive segment. The post can be mechanically pressed, threaded, or mechanically coupled using any other reasonable mechanical interface into a segmented via or plated-through hole of a printed circuit board (PCB). The electrical segments would be in electrical communication with conductive portions of the segmented via to form a complete electrical circuit between the PCB and the electrical component. A thermally conductive element can be integrated into the post to conduct heat away from the semiconductor device to improve performance and reduce failures related to thermal stress.
Material modification by neutral beam source with selected collision angle
A neutral beam is scanned across a workpiece surface and the beam angle is controlled in a manner that avoids variation in the beam source-to-workpiece distance during scanning.
Plasma ARC torch electrode with symmetrical plasma gas flow
An electrode for a plasma arc torch includes a generally cylindrical elongated body formed of an electrically conductive material. The elongated body includes a proximal end that connects to a power supply and a distal end that receives an emissive element. The electrode can include a flange that is disposed about a surface relative to the distal end of the elongated body, extends radially from the surface of the elongated body, and is utilized to establish a uniform gas flow distribution of a plasma gas flow about the distal end of the elongated body. The electrode can include a contact element that is in electrical communication with the proximal end of the electrode. The contact element includes seating portion that has an outer width that is greater than the outermost diameter of the electrode body and is configured to position the contact element within the plasma arc torch.
Electrolytic cell for heating electrolyte by a glow plasma field in the electrolyte
An apparatus and method for generating a Contact Glow Plasma Discharge in an electrolyte such as 7% K2CO3. A Shrouded Toroidal Anode is partially submerged in the electrolyte directly above a Flat Torus Cathode (totally submerged in the electrolyte), spaced approximately 50 mm apart, and the two electrodes are arranged in a concentric manner. A potential difference is applied from the cathode to the anode causing gas to be formed on the cathode. This is followed by a contact glow plasma being formed on the surface of the cathode and electromagnetically confined by a Spheromark formed by the configuration of the electrodes. This confinement of the plasma prevents a plasma arc from consuming the anode, which in turn allows for the application of 12,000 Watts and the occurrence of “non-linear electron resonance heating”. The effects of nonlinear series resonance increase the total power dissipation by factors of 2-5 for low pressure capacitive plasmas. Thus explaining the 303% efficiency obtained with this apparatus.
Extreme UV radiation light source device
An extreme ultraviolet light source device includes a raw material supplying mechanism. The raw material supplying mechanism includes a disk-shaped rotor, a motor for causing the rotor to rotate, a cover-shaped structure surrounding the rotor via a gap, and a first reservoir provided inside the cover-shaped structure for reserving a liquid high temperature plasma raw material. When the rotor rotates, a portion of the surface on the rotor becomes coated with the liquid high temperature plasma raw material. A portion of the cover-shaped structure has an aperture exposing that surface of the rotor which coated with the high temperature plasma raw material. The high temperature plasma raw material is irradiated with an energy beam from an energy beam supply device through the aperture, and generates EUV radiation.
High voltage tube tank for a portable x-ray
The high voltage tube tank of x-ray system is embodied by miniaturizing the portable x-ray system for better mobility and portability. The high voltage tube tank of portable x-ray system comprising of an xray tube for generating x-rays, a high voltage transformer for generating high voltage, a high voltage rectification circuit for transforming and boosting AC voltage to DC voltage, and a housing for storing the apparatuses thereof, is configured in such a way that the high voltage rectification circuit is comprised of multiple high voltage capacitors linearly aligned on both sides of the circuit board and the high voltage diode built between the confronting high voltage capacitors, wherein the x-ray tube is placed between the high voltage capacitors thereof.
Safety device for a street lamp system
A safety device for use in a street lamp, includes a first connection to a power grid (5), second connections to at least two external units (3,4), a first unit (3) of at least two units being adapted to draw current and a second unit (4) of at least two units being adapted to generate a potential difference. The safety device further includes a switch (6) adapted to switch between a first position, in which the first unit (3) is connected to the power line (5) to draw current from the power line, and a second position, in which the second unit (4) is connected to the power line to apply the potential difference to wires of the power line. The safety device further includes a communication system adapted to detect the presence of a safety signal on the power line and to switch the switch (6) to the first position in the event that the safety signal is missing or faulty.
Remote control of light source
A lighting system comprises a set of light sources and a remote control unit. The remote control unit comprises a user interface through which a user may identify an area in an image and a light source. The identified image area is linked with the light source and color information of the identified image area is transmitted to the light source. The light source is thereby enabled to adapt its light output to the color information. A user is thereby enabled to pick the color to be outputted by a light source by selecting an area in an image displayed on the remote control unit. The remote control unit may be part of a mobile telephone, a tablet computer, an electronic photo frame, or a television screen.
Single string over power protection and light source driver circuit used in display device
The present disclosure provides a single-string light bar over power protection device and a light source driver circuit for a display. The over power protection device comprises: a voltage detection unit, with an input terminal being connected to a resistor in the circuit of a single-string light bar at both ends, for obtaining the voltage across the resistor; an integral unit, with an input terminal being connected to the output terminal of the voltage detection unit, for performing an integral transform on the voltage obtained; a comparison unit, which is connected to the output terminal of the integral unit, for comparing the voltage after the integral transform with a reference voltage determined by the system parameters, so as to output an effective over voltage signal when the voltage after the integral transform is higher than the reference voltage; and a latch unit connected to the comparison unit to lock the output standby signal according to the effective over voltage signal. The protection device according to the present disclosure can avoid overheat caused by over current of the single-string light bar, and further refrain from abnormality to the whole backlight module, and thus providing better protection for the LCD display.
Optical sensor circuit, luminous panel and method for operating an optical sensor circuit
An optical sensor circuit comprises an optical sensor (DET) designed to provide a sensor signal indicative of light incident on the optical sensor (DET). A clock terminal (CLK) is used to receive a clocked control signal comprising high and low states. A controller unit (CU) is connected to the optical sensor (DET) and to the clock terminal (CLK). The controller unit (CU) is designed to process the sensor signal as a color signal (CTS) in a first mode if the clocked control signal is in high state, and process the sensor signal as an ambient light signal (ALS) in a second mode if the clocked control signal is in low state, and further designed to generate a driving signal (PWM) to drive a light emitting device (LED) to be connected at a control terminal (OUT). The driving signal (PWM) depends on the color and ambient light signal (CTS, ALS).
Apparatus, method, and system for LED fixture temperature measurement, control, and calibration
The present invention generally relates to the field of large area lighting, such as lighting for sport venues. More specifically, some embodiments of the present invention relate to controlling solid state illumination for various applications including sports lighting, architectural lighting, security lighting, parking, general area, interior, larger area and others. Embodiments according to aspects of the current invention monitor lighting circuits with regard to voltage and current, compare readings with stored models, characterize lighting circuits with regard to stored models for voltage and current, and control lighting circuits in accordance with desirable outcomes.
A lighting apparatus comprises: a plurality of light source units comprising at least three light source units, wherein the light source units emit lights having different color temperatures from each other and different color coordinates from each other; a sensor sensing each of the light quantities of the R (red) component, G (green) component and B (blue) component of light mixed with lights emitted from a plurality of the light source units; a memory having a standard color coordinate located within an area formed by the color coordinates of the light output from the light source units; and a controller controlling light quantities of the light source units in such a manner as to reduce an error value between the standard color coordinate and a comparative color coordinate.
Systems and methods for intelligent control related to TRIAC dimmers
System controller and method for a lighting system. The system controller includes a first controller terminal configured to receive a first signal, and a second controller terminal configured to output a second signal to a diver component. The driver component is configured to receive a first current and provide one or more drive currents to one or more light emitting diodes in response to the second signal. Additionally, the system controller is configured to process information associated with the first signal, determine a first time period for the first signal to increase from a first threshold to a second threshold, and determine a second time period for the first signal to decrease from the second threshold to the first threshold.
Current shaping for dimmable LED
Aspects of the disclosure provide a circuit that includes a detector and a controller. The detector is configured to detect a firing start by a triode for alternating current (TRIAC) in a power supply. The controller is configured to control a switch in connection with a magnetic component in response to the firing start to shape a profile of a current pulled from the power supply to satisfy a latch current requirement and a hold current requirement of the TRIAC.
Inter-base station logical interface communication using relay devices
A relay device configured to facilitate a wireless communication over a logical interface between a first base station and a second base station is described herein. The logical interface may be an X2 interface for a Long Term Evolution network. The relay device receives the wireless communication from the first base station using one or more wireless transceivers of the relay device. The relay device may identify the second base station based at least in part on information associated with the wireless communication. Then, the relay device may transmit the wireless communication to the second base station through the one or more wireless transceivers.
Method of DTX detection in a wireless communication system
There is provided a network node of a wireless communication network, such as a UMTS network. The network node is arranged to perform a method of detecting Signal Discontinuous Transmission on a channel in the wireless communication network. The method comprises the receiving of a signal on the channel and the processing of a current slot of the signal, the current slot comprising a number of pilot bits and non-pilot bits. A bit error rate, a signal to noise ratio and an amplitude modulus is calculated using the pilot bits and non-pilot bits. A decision is made about whether the signal indicates a discontinuous transmission on the channel using the signal to noise ratio, the bit error rate and the amplitude modulus.
Resolving cycle conflicts between multiple RATs sharing a radio of a UE
Operating a UE device having a radio configured to communicate using a first and second RAT. The UE may determine whether page decoding or other cycle conflicts (e.g., DRX cycle conflicts) are present or will occur for the first and second RAT. Upon determining a conflict, e.g., prior to the occurrence of the conflict, such as during a previous cycle, the second RAT operations may be performed at the time of the conflict and the first RAT operations may be delayed to a later time (e.g., a next cycle of the first RAT).
Wireless client device roaming among clustered access points
A controller controls access points (APs) in a network of APs. The controller causes the first AP to establish an Internet Protocol (IP) tunnel with a router connected with a wired network and over which data packets are routed between the wired network and a client device wirelessly connected to the first AP. The controller receives a roam indication that the client device is wirelessly connected with a second AP. In response to the indication, the controller instructs the first AP to maintain the IP tunnel with the router and instructs the second AP to establish an inter-AP tunnel with the first AP in order to route traffic between the wired network and the client device over both the IP tunnel and the inter-AP tunnel.
Mobility anchor relocation
Disclosed herein is a method, a serving node and a mobility node for relocating the mobility anchor for a mobile terminal 215a in a wireless communication system 200. The relocation comprises a request for redirecting a first bearer B-old for the mobile terminal 215a between the serving node 212b and a first mobility anchor 214a so as to create a new substantially identical second bearer B-new between the serving node 212b and a second mobility anchor 214b. In addition, the relocation comprises a transmission of a request to the first mobility anchor 214a for deleting the first bearer B-old and a transmission of a request to the second mobility anchor 214b for establishing the second bearer B-new.
Method for improving the HF band link establishment using a broadband capability
A method for improving the HF band link establishment in a communication system including one or more transmit terminals and one or more receive terminals, at least one of the terminals having a broadband capability, comprises the following steps: creating call bands and listening bands according to the broadband transmit and/or receive capabilities, the minimum number of bands being suitable for covering the entire frequency plan; minimizing the number of bands and then maximizing the number of frequencies in each of these bands of size B; distributing the bands Bi in time by arranging the bands in descending cardinal-value order, and allocating a frequency fj to each band Bi; transmitting/receiving in broadband mode, by checking that the selected transmit frequencies are not already in use.
Communication device, communication method, and program for transmitting information via a plurality of different networks
A first measuring unit measures a first connection delay caused while a first communication unit shifts from a disconnected state to a connected state, and the first measuring unit also measures a second connection delay caused while a second communication unit shifts from a disconnected state to a connected state. A second measuring unit measures a first transmission delay caused while the first communication unit is in a connected state, and the second measuring unit also measures a second transmission delay caused while the second communication unit is in a connected state. A generating unit generates first information to be transmitted from the first communication unit and also generates second information to be transmitted from the second communication unit, based on the communication state of the first communication unit and the second communication unit.
Management of mobile devices leveraging location based cooperation
A solution is proposed for managing a plurality of data processing mobile devices. A corresponding system is configured for downloading management data onto each one of the mobile devices for application thereof on the mobile device, wherein for at least a first one of the mobile devices the management data is downloaded from a data processing central system, each mobile device wherein the management data has already been downloaded defining an inclusive mobile device; in the solution according to an embodiment of the invention, the step of downloading management data comprises electing a set of inclusive mobile devices temporarily as service mobile devices according to characteristic information of the inclusive mobile devices being based at least on a current position thereof, and causing at least a second one of the mobile devices to download the management data from a selected one of the service mobile devices in proximity thereof.
Method and apparatus for scheduling communication traffic flows
In one or more embodiments of the disclosed technology, an Access Point (AP) schedules communication traffic flows or service tasks between an Access Point (AP) and one or more member stations in a Wireless Local Area Network (WLAN). The communication traffic flows or service tasks may include both control and management flows and data traffic flows. The communication traffic flows or service tasks may include traffic flows or streams of different types, each of which may have different service intervals. The order of service tasks can be changed from cycle to cycle, randomly, by rotation, or based on historical delay records.
Communication system, communication apparatus and communication control method
There are provided a communication system, a communication apparatus and a communication control method capable of minimizing the decline in throughput efficiently. The communication system according to the present invention includes a communication apparatus configured to employ an adaptive modulation system and a corresponding communication apparatus configured to communicate wirelessly with the communication apparatus, in which the corresponding communication apparatus receives a wireless signal from the communication apparatus, calculates the reception quality value and the bit error rate of the wireless signal, and transmits the reception quality value and the bit error rate to the communication apparatus; and the communication apparatus has a table indicating a modulation class to be chosen corresponding to the reception quality value and changes a modulation class indicated by the table based on the bit error rate.
Inserting virtual carrier in conventional OFDM host carrier in communications system
A mobile communications system for communicating data to and/or from mobile communications devices. The mobile communications system comprises one or more base stations, each of which includes a transmitter and a receiver operable to provide a wireless access interface for communicating data to and/or from the mobile communications devices, the wireless access interface providing on a downlink a host carrier, the host carrier providing a plurality of resource elements across a first frequency range for communicating data; and a first and second mobile communications devices. The wireless access interface provided by the base stations is arranged to provide a virtual carrier, the virtual carrier providing one or more resource elements within a second frequency range which is within and smaller than the first frequency range, and the second mobile communications device is operable, upon detection of the virtual carrier, to receive downlink communications via the virtual carrier.
Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs.
Method and apparatus for transmitting reference signal in wireless communication system including relay station
A method for transmitting, by a base station (BS), reference signals in a wireless communication system, and the BS therefore are discussed. The method according to one embodiment includes transmitting cell-specific reference signals on at least one first antenna port to a relay node (RN); and transmitting user equipment (UE)-specific reference signals on a second antenna port to the BS. A relay physical downlink control channel (R-PDCCH) is demodulated, by the RN, based on either the cell-specific reference signals or the UE-specific reference signals. A type of reference signals among the cell-specific reference signals or the UE-specific reference signals, which is being used to demodulate the R-PDCCH, is configured by a higher layer.
Method of indicating downlink control channel and related communication device
A method of indicating a downlink (DL) control channel for a network of a wireless communication system method comprises configuring an enhanced physical control format indicator channel (ePCFICH) according to an amount of resource for transmitting an enhanced physical DL control channel (ePDCCH) of a subframe, wherein the ePDCCH is dedicate to a communication device of the wireless communication system or to a group to which the communication device belongs; and transmitting the ePCFICH to the communication device via a plurality of bits of a physical hybrid automatic repeat request (HARQ) indicator channel (PHICH) of the subframe, to indicate the amount of resource for transmitting the ePDCCH to the communication device.
Method for transmitting/receiving signal and device therefor
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting uplink control information and a device therefor, the method comprising the steps of: forming a plurality of serving cells each having different UL-DL configurations; receiving one or more signals requiring a HARQ-ACK response from M(M≧1) number of subframes; and executing the process for transmitting the HARQ-ACK response to the one or more signals in a specific subframe corresponding to the M number of subframes, wherein, only when the specific subframe is set as an uplink in all of the plurality of serving cells, the HARQ-ACK response to the one or more signals are transmitted through the specific subframe.
System and method for allocating transmission resources
Methods for wirelessly transmitting user data and control information using a plurality of transmission layers include encoding bits of control information to form control codewords and encoding bits of user data to form user data codewords. The method also includes generating a plurality of vector symbols based on the control codewords and the user data codewords. Each vector symbol includes a plurality of modulation symbols that are each associated with a transmission layer over which the associated modulation symbol will be transmitted. Generating the plurality of vector symbols includes interleaving bits of the control codewords and bits of the user data codewords so that the control information is carried in modulation symbols associated with the same transmission layers in the vector symbols transmitted during the subframe that carry the control information. The method also includes transmitting the plurality of vector symbols to a receiver over a plurality of transmission layers.
Systems and methods for carrier aggregation
A User Equipment (UE) for performing carrier aggregation is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE determines an uplink control information (UCI) transmission cell in a wireless communication network with at least one frequency-division duplexing (FDD) cell and at least one time-division duplexing (TDD) cell. The UE also selects a first cell for FDD and TDD carrier aggregation. The UE further determines a set of downlink subframe associations for the first cell that indicate at least one UCI transmission uplink subframe of the UCI transmission cell. The UE additionally sends Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement/Negative Acknowledgement (HARQ-ACK) information in the UCI transmission uplink subframe of the UCI transmission cell.
Method for configuring resource for carrier aggregation and apparatus for same
The present invention relates to a wireless communication system. More particularly, the present invention related to a method for performing communication on a specific single secondary cell (SCell) in a wireless communication system supporting carrier aggregation and to an apparatus for same, wherein the method comprises the following steps: receiving setting information on a plurality of frequency zones comprising the specific single SCell, wherein the plurality of frequency zones include at least one available frequency zone and at least zone unavailable frequency zone; and performing the communication from the specific single SCell, wherein a signal for the communication is transmitted and received only within the at least one available frequency from the specific single SCell.
Networks and methods for paging message control
At least one example embodiment discloses a paging message controller. The paging message controller includes a processor and an associated memory. The processor is configured to obtain an indication of a paging message for a user equipment (UE), the indication indicating that a paging message is to be forwarded to at least one destination cell of a first set of cells for paging the UE, and forward the paging message for paging the UE to at least one destination cell of a second set of cells in response to the indication.
When a call is received for a device within an area of coverage, all devices within the area of coverage are rung. The call may be connected to the first device that picks up. All devices may be rung at the same time or in a predetermined order. For example, the first device rung may be a device that was most recently moved, a device that was most recently active, based on a time of day, or the like.
Location information registration method and mobile communication terminal
Location information of a mobile communication terminal is registered promptly. When the mobile communication terminal receives a first location registration response signal, in which a predefined value indicative of a cause of rejecting the registration of the location information is set, the mobile communication terminal transmits a location registration request signal to a second mobile communication network when there is the second mobile communication network over which the mobile communication terminal can communicate, based on the predefined value. When it is determined that there is not the second mobile communication network or the location registration of the mobile communication terminal in the second mobile communication network is not completed, the mobile communication terminal carries out a first location registration operation of retransmitting the location registration request signal to the first mobile communication network.
Guard period configuration for LTE HD-FDD
The present disclosure relates to a method, a device and a computer program for configuring a guard period in Half Duplex Frequency Division Duplex, HD-FDD, operation. According to some aspects, the disclosure relates to a method, performed in a wireless device, of configuring a guard period in HD-FDD operation. The method comprises obtaining a timing advance between the wireless device and an access point; and configuring a guard period in the wireless device based on the obtained timing advance and a radio access capability of the wireless device. The disclosure also relates to a wireless device and to a computer program for executing the methods.
In-synchronization and out-of-synchronization handling method and apparatus
The present invention is applicable to the field of communications technologies, and provides an in-synchronization and out-of-synchronization handling method and apparatus. The method includes: reporting, by a physical layer, an invalid frame indication to a high layer, where the invalid frame indication is used to indicate an invalid frame, and the invalid frame is a frame not used for detecting out-of-synchronization, so as to count the number of frames that are assured to be out of synchronization within timing; and when the number of frames that are assured to be out of synchronization within the timing reaches a predefined value, determining that a radio link is out of synchronization. By using the present invention, the modified timing of the timer and the number of in-synchronization indications correspond to each other.
Power headroom report method and apparatus for mobile communication system supporting carrier aggregation
A method and user equipment (UE) for obtaining power headroom information in a communication system are provided. The method includes acquiring information for a path loss reference, wherein the information for the path loss reference indicates whether the UE applies as the path loss reference either a downlink of a primary cell or a downlink of a secondary cell (SCell), triggering a power headroom report (PHR) if a prohibitPHR-Timer expires and a path loss is changed more than a threshold for at least one activated cell which is used as the path loss reference, and obtaining power headroom information for each activated cell, if extended PHR is used and an uplink resource is allocated for new transmission.
Adjusting transmission power in customer premise equipment
Methods, systems, and apparatuses operate to adjust transmission power of a customer premise equipment device using a transmit channel set parameter. Power characteristics associated with a received signal from a customer premise equipment device can be identified, and a determination is made whether to adjust a transmission power associated with transmission of the signal. Based upon the determination, an adjustment can be made to the transmission power using a transmit channel set parameter, thereby adjusting the channels used by the customer premise equipment device to transmit the signal.
Uplink power control for wireless communications
The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing power control for uplink orthogonal and non-orthogonal resources for an uplink channel, e.g. for PUCCH or PUCSH, when CoMP is utilized in a wireless network (e.g., LTE).
Uplink power control method and device
Disclosed is an uplink power control method, which is used for realizing power control over uplink channels with different uplink transmission times so as to ensure that the total transmit power of terminal equipment in a sub-frame does not exceed maximum transmit power and that a system can work normally. The method comprises the following steps: the terminal equipment determines the target transmit power of each uplink channel/signal transmitted in a current uplink sub-frame; the terminal equipment divides the transmission time of the uplink channels/signals in the current uplink sub-frame into a plurality of transmission time buckets, wherein the uplink channels/signals at any moment in each transmission time bucket are the same, and the uplink channels/signals in each transmission time bucket are not exactly the same as those in the other transmission time buckets; and in each transmission time bucket, the terminal equipment performs the power control on the target transmit power of the uplink channels/signals transmitted in the transmission time bucket to ensure that the transmit power sum of the uplink channels/signals transmitted in the transmission time bucket does not exceed the preset maximum transmit power of the terminal equipment after the power control. Also disclosed a device for implementing the method.
Method for controlling a bluetooth connection
A method for controlling a Bluetooth connection includes turning off an ignition of a vehicle. It is determined whether a terminal connected to a Bluetooth system provided in the vehicle exists or not. When it is determined that the connected terminal exists as a result of determining, a disconnection command for the Bluetooth connection is transmitted from the vehicle to the terminal. The Bluetooth system waits for a time predetermined by the Bluetooth system, after transmitting the disconnection command. After waiting for the predetermined time, it is determined whether a disconnection confirmation message responding to the disconnection command is received from the terminal or not. When it is determined that the disconnection message is received as a result of determining whether the disconnection message is received or not, the Bluetooth system is caused to enter into a sleep mode.
Onboard avionic system for communication between an aircraft and the ground and method for managing a radio channel of such a system
An onboard avionic system for communication between an aircraft and the ground comprising a service unit connected to various aircraft equipment and a radio communications unit providing communication between the avionic system and a communications system on the ground via a radio channel. The system comprises a configuration unit having a control unit, a geolocation unit and a database in which are recorded, data relative to the use of the radio channels which are available in a flight zone, as well as data relative to the radio conditions for the available radio channels. The configuration unit, on the basis of the aircraft geolocation data supplied by the geolocation unit, of radio condition data of the current channel, and of database data, determines if the current channel should be changed or not and, if so, determines the new channel to be used and commands the change to the new channel.
System and method for common attributes in HESSID and the associated queries
Mobile stations can query independent basic service set (BSS) parameters of a group of Access Points (APs) by setting a Pre-Association Message Exchange BSSID Independent (PAME-BI) bit during Wi-Fi discovery. The PAME-BI bit may be included in a Generic Advertisement Service (GAS) request to indicate that an Access Network Query Protocol (ANQP) request carried by the GAS request is querying both independent and dependent BSS parameters. In some embodiments, the PAME-BI bit is included as a field in the ANQP query, rather than the GAS request message.
Scheduling in coordinated multi-point transmission scheme
Methods, a user equipment, a base station and a computer program product for managing assignments between user equipments and cooperation areas are provided. The present invention discloses receiving, at a base station belonging to a cooperation area, a connection request message from a user equipment to be connected to the cooperation area. The connection request message includes a parameter indicating preference information. It is determined, on the basis of the parameter, whether the user equipment is allowed to connect to the cooperation area. A connection acknowledgement/non-acknowledgement message is forwarded from the base station to the user equipment. The present invention discloses acquiring information about reachable cooperation areas, determining preference information with respect to the reachable cooperation areas, sending a connection request message including preference information to a reachable cooperation area, and selecting the cooperation area to which the connection request message was sent if a connection acknowledgement message is received.
Method and communication device for controlling access to a wireless access network
A method for controlling access to a wireless Access Network (AN) by a wireless communication device. The device stores a Device Access Priority (DAP) level based on characteristics of the device. When the device has data to send, the device receives an overhead message from the AN containing a Network Access Priority (NAP) parameter defining a minimum priority level for initiating network access. The device determines whether its DAP level is equal to or greater than the NAP parameter. If not, the device periodically repeats the receiving and determining steps until the stored DAP level is determined to be equal to or greater than the NAP parameter received from the AN. When the stored DAP level is equal to or greater than the NAP parameter, the device initiates network access. The device may perform and pass a Persistence Test before transmitting the data on an access channel (ACH).
Wireless access point
A wireless access point (100) which comprises a private device list (140), a private BSS and a public BSS. When a mobile terminal (400) connects to the private BSS (120) a unique identifier (such as a MAC address) is stored in the private device list. Any device whose unique identifier is stored in the private device list is prevented from subsequently connecting to the public BSS (130).
Apparatus and method for efficient handover for low earth orbit (LEO) satellite systems
Approaches for efficient, dynamic and continuous handover processes, which encompass selection of an optimal path (consisting of a satellite, a satellite beam and carrier frequency set) over which a mobile user terminal (UT) communicates with the radio access network in a mobile satellite communications system, are provided. A set of path factors are determined regarding each of a plurality of communications paths for the UT. A path selection metric (PSM) for each communications path is determined, wherein the PSM for each communications path is determined via a weighted calculation based on the respective set of path factors for the communications path. A decision is made as to whether to perform a handover of the UT from a first of the communications paths to a second of the communications paths, wherein the determination is based on an evaluation performed based at least in part on the PSM.
Roaming management for client devices
Embodiments of a wireless roaming management system are disclosed, wherein the system is configured to manage roaming of a client device across access points. The system includes processor(s) and memory for storing signal strength data for access points operating on a local area network. In one embodiment, the system is configured to transfer a client device from one access point to another. For example, in response to receiving, from a source access point, a request for a roaming calculation for a client device connected to the source access point, the system can determine a target access point to transfer the client device based on the stored signal strength data and the roaming calculation. The system can then cause the client device to be disconnected from the source access point and connected to the target access point.
Handing over a user device from one technology to another
A system may be configured to identify that a user device is connected to a first radio access network (“RAN”), via a first technology; and to identify that the user device is capable of accessing a second RAN, via a second technology. The system may further be configured to instruct the user device to concurrently connect to the second RAN and the first RAN, send or receive a first type of traffic via the first RAN, and send or receive a second type of traffic via the second RAN.
Methods and device for determining when to switch between multiple communication modes of a transceiver subsystem
A communication device performs a method for determining when to switch between multiple communication modes of a transceiver subsystem. The method includes detecting an indication that a multimedia message is ready for transmission. The method also includes switching, by the transceiver subsystem in response to detecting the indication, from an infrastructure communication mode to a peer-to-peer communication mode, and transmitting the multimedia message in the peer-to-peer communication mode. The method further includes determining that the multimedia message transmission is complete, and switching, by the transceiver subsystem, back to the infrastructure communication mode in response to determining that the multimedia message transmission is complete.
User context aware throttling of transition attempts to connected mode
Throttling of transition attempts to connected mode based on user context. A wireless device may camp on a serving cell. A motion state of the wireless device may be monitored. One or more connected mode transition procedures on the serving cell may be attempted. If at least a threshold number of connected mode transition procedures fail on the serving cell while the wireless device is stationary, further connected mode transition attempts may be throttled for up to a certain amount of time. Alternatively, or in addition, the wireless device may bar itself from camping on that cell for up to a certain amount of time. Either or both of throttling connected mode transition attempts or barring cells may also be based on other aspects of user context, such as display state.
Methods for handover configuration
The dynamic determination of a handover trigger for triggering handover of a mobile terminal in a wireless network from a source base station to a target base station is based on one or more Key Performance Indicators (KPIs). Each KPI indicates a quality of wireless services provided by the wireless network responsive to a particular handover trigger. If an obtained parameter that indirectly or directly impacts handover performance passes a corresponding performance test, the mobile terminal selects the handover trigger based on the KPIs. If the parameter fails the corresponding performance test, the source base station selects the handover trigger based on the KPIs.
Methods and systems for cell selection using uplink load measurements
Aspects of selecting a base station for a UE device are described. The UE device or a wireless network component (e.g., a base station) can determine RF uplink use values of a coverage area. The RF uplink use values can be received from one or more base stations and can be based on a subframe or other time segment. A processor can determine a base station having a greatest number of subframes with at least one resource block available. If the base stations have an equal number of subframes having at least one resource block available, the processor can determine which base station has a greatest number of subframes having at least two resource blocks available (or three, etc. if additional ties exist). A selection of the base station can be based on the processor's determination and whether the UE device is located within an edge of a coverage area.
Node and method for handing over a sub-set of bearers to enable multiple connectivity of a terminal towards several base stations
Example embodiments presented herein are directed towards source (401A) and target (401B) base stations, and corresponding methods therein, for providing a handover for a sub-set of bearers associated with a wireless terminal (101) being served by the source base station (401A), wherein at least one bearer of the wireless terminal remains connected to the source base station. The sub-set of bearers is less than or equal to a total number of bearers associated with the wireless terminal.
Method and apparatus for providing voice call in mobile communication system and system thereof
A method, performed by a mobile management entity (MME), for providing a voice call service to a user equipment (UE) in a mobile communication system and the MME are provided. The method includes receiving, from a mobile management entity (MME), a first message for paging to provide the voice call service to the UE; and sending, to the MME, a second message including a cause associated with a domain change from a packet switching (PS) domain to a circuit switching (CS) domain, wherein, if the MME receives the second message, a third message for requesting suspension of a bearer to provide a service for the UE is sent to a gateway in the PS domain.
Bearer switching method, home NodeB gateway, and home NodeB
Embodiments of the present invention include a bearer switching method, a home NodeB gateway, and a home NodeB. The method includes: receiving a first relocation request message sent by a source home NodeB HNB, where the first relocation request message is used to request switching of a local IP access LIPA bearer; and determining, according to the first relocation request message, whether a target HNB supports LIPA mobility, so as to perform a corresponding switching operation. According to the bearer switching method, switching of an LIPA bearer is effectively managed, thereby saving a resource and signaling, and avoiding resource waste and an invalid signaling overhead caused when an HNB that does not support the LIPA mobility prepares the resource for the LIPA bearer.
Enhanced media gateway
An enhanced media gateway allows the signaling and media paths of a multimedia call to be merged so that signaling of a session and establishment of the media path may be coordinated. The enhanced media gateway may include a session border controller, gateway, router, and digital signal processors that operate in a coordinated fashion, so that information about the media path may be included in the signaling of the session, so that the media path may be directly established in connection with the session signaling, and so that bandwidth may be reserved in the router when the media path is established. This allows routing to be set up using media path signaling to obviate the use of a reservation protocol.
Method and apparatus for obtaining terminal minimization of drive-tests data
The present invention discloses a method and an apparatus for obtaining terminal minimization of drive-tests data, relates to the field of communication technologies, and solves a problem that when determining, according to minimization of drive-tests (MDT) data, that a current operating status of a network is abnormal, an operation, maintenance and administration (OAM) cannot accurately determine whether the abnormality of the network is caused by a terminal or the network itself since the MDT data received by the OAM does not include an identity of the terminal. The method includes: obtaining MDT data measured by a terminal and an identity of the terminal; and reporting the MDT data measured by the terminal and the identity of the terminal to an OAM. Embodiments of the present invention are mainly applied to a process of obtaining terminal minimization of drive-tests data.
Circuit, system and method for communication between two nodes of a radio network
A first node of a radio network initiates a mode for finding the range to a second node. The first node transmits to the second node, with the address of the second node, a range finding command, which switches the second node into the range finding mode and controls a sequence. The first node transmits in a transmission time window a first signal, which is received by the second node in an associated reception time window, a first phase value of the first signal being measured. The second node transmits in a transmission time window a second signal, which is received by the first node in an associated reception time window, a second phase value of the second signal being measured. The first frequency is changed by a frequency difference and the second frequency is changed by the frequency difference in a subsequent time window of the sequence.
Method and apparatus for inter-frequency measurements in a communication network
In one aspect of the teachings herein, network-side and device-side methods and apparatus identify a subset of frequency layers on which a wireless device performs regular inter-frequency scanning. The subset is identified from among a set of frequency layers that are candidates for inter-frequency measurement by the device. In an example, the wireless device scans the set of frequency layers and the corresponding scan results are used to select the best frequency layers in the set. In turn, the wireless device performs regular inter-frequency measurements on the frequency layers in the selected subset. Scanning thus can be understood as a mechanism for intelligently selecting preferred ones among a number of frequency layers that are candidates for inter-frequency measurement by the device.
System and method for adapting characteristics of application layer protocol using sensed indication
A system and method for resource utilization in a constrained sensor gateway for transfer of data in terms of the bandwidth and energy available to transfer data. The system includes a processor in communication with the constrained sensor gateway, which includes an application layer protocol and which is in communication with a communication network, and a memory coupled to the processor. The memory includes a network condition detection module configured to detect a network condition of the constrained sensor gateway, and an adaption module configured to determine a reliability score. The application layer protocol of the constrained sensor gateway adapts a reliability level based on the reliability score determined by the adaption module, which enables better utilization of the bandwidth and energy to transfer data. The reliability level may pertain to a reliable mode, or a non-reliable mode of communication for transferring data.
System and method for controlling mobile device operation
Implementations herein include receiving a first signal from a first mobile computing device, the first signal indicative of a first state change and receiving a second signal from a second mobile computing device, the second signal indicative of a second state change. The method may also include determining that the first state change and the second state change are related, and that the first mobile computing device and the second mobile computing device are currently located at a common geographic location. The method may further include determining that a third mobile computing device is currently located at the common geographic location. The method may also include transmitting to the third mobile computing device, a third signal indicative of a recommended state change, the recommended state change being based on the first state change at the first mobile computing device and the second state change at the second mobile computing device.
Determination of network parameters in mobile communication networks
Methods and apparatuses are disclosed that determine network parameters to be used by a wireless terminal. Network traffic history data is acquired. Each entry of the network traffic history data relates to network parameters of traffic flows between a network node and a wireless terminal. Which number of clusters to be used for representing the network traffic history data is determined by optimizing a generic utility function representing at least one network parameter of said network parameters of traffic flows. Each entry of the acquired network traffic history data is associated with one of the number of clusters by constrained clustering of the acquired network traffic history data. The constrained clustering uses a biased distance measure. Each cluster is associated with network parameters to be used by a wireless terminal based on the network traffic history data associated with each cluster.
Method and apparatus for deriving cell characteristic values
A method of deriving cell characteristic values for cells within a wireless communication network. The method for determining a set of cells for which cell characteristic values are to be derived, and using a genetic algorithm to derive cell characteristic values for the set of cells based at least partly on measurement data obtained by wireless communication subscriber units within the wireless communication network.
Configurator forced client network rejoining
A collocated device functioning as a configurator can use short and long button activations to enter a configuration state, open a timing window, and force client devices currently joined to a network to rejoin the network. If the collocated device functioning as a configurator is unconfigured, a short (or long) button activation can initiate a configuration sequence. A short button activation on that same collocated device, once configured, can cause the device to open a configurator timing window, during which one or more devices can be provided the information necessary to securely communicate on a network. A long (or short) button activation can be used to force all currently connected client devices, or rejoin the network using a new Service Set Identifier (SSID) or passphrase.
ID-based control unit-key fob pairing
A key fob includes a transceiver to send and receive signals, a memory to store a key fob identification (KFID), and a processor coupled to said transceiver and memory. The processor is to execute, along with a pairing device, an identification (ID) authenticated key agreement protocol based on the KFID to authenticate a pairing device and to generate a common secret encryption key known only by the processor and the pairing device. The Processor receives a control unit identification (CUID) encrypted by the pairing device with the common secret encryption key, execute along with the control unit associated with the CUID an ID authenticated key agreement protocol based on the CUID to authenticate the control unit, generates a second common secret encryption key known only by the processor and the control unit, and receives an operation key encrypted by the control unit with the second common secret encryption key.
Wireless communication system to provide call routing when connection to a core network is lost
A wireless communication system provides call routing when the connection to a core network is lost. A base station wirelessly exchanges data packets associated with one or more communication sessions with one or more wireless communication devices. An Internet Protocol (IP) router scans the data packets to identify active users on the base station. The IP router generates a database of the active users. The IP router detects a loss of connection to the core network and determines which of the communication sessions can be maintained based on the database of active users. The IP router routes the data packets for the communication sessions that can be maintained back to the base station for delivery.
Method and system for obtaining IMEI of mobile station and base station controller
Embodiments of the present invention relate to a method and a system for obtaining an international mobile equipment identity of a mobile station and a base station controller. The method in this embodiment of the present invention includes: sending, by a base station controller, a request message to a core network device; receiving an accept message of the request message sent by the core network device; sending an identify request message, where a frame sequence number of the identify request message is the same as a frame sequence number of the accept message; receiving an identify response message sent by the mobile station; and re-sending the request message to the core network device in the manner of an unnumbered information frame, where a frame sequence number of the re-sent request message is the same as a frame sequence number of the identify response message.
Apparatus and method for detecting a personal communication device in a vehicle
An apparatus for detecting a personal communication device (PCD) in a vehicle is provided. The apparatus includes one or more near field communication (NFC) devices positioned about a driver zone of the vehicle for being wirelessly coupled to the PCD. The PCD is configured to (i) determine if the vehicle is moving above a predetermined vehicle speed, (ii) wirelessly transmit a first signal to the one or more NFC devices in the vehicle, and (iii) determine that the PCD is positioned in the driver zone of the vehicle in response to a second signal from the one or more NFC devices.
Intuitive computing methods and systems
The present disclosure relates generally to mobile devices and content recognition. One claim recites a mobile device comprising: a sensor; a display screen; memory storing instructions for execution by a processor; and one or more processors programmed with said instructions for: obtaining information from the sensor; selecting a user profile from among a plurality of different user profiles based on the information; and selecting—based on a selected user profile—an image or graphic for display on the display screen, the image or graphic being associated with the selected user profile. Other claims and combinations are provided as well.
Transportable telecommunication interconnection device
A transportable telecommunication interconnection device for interconnecting a plurality of communication devices to a telecommunication network, comprising: a transportable enclosure comprising an end wall and a peripheral wall extending along an axis from the end portion and defining a chamber, the transportable enclosure further comprising a separation wall positioned within the chamber at a given position along the axis to define an enclosed compartment and an open compartment within the chamber; a chamber cover for removably closing the open compartment; input and output port connectors extending through at least one wall defining the enclosed compartment, the input port connectors for connection to the communication network and the output port connectors for connection to the plurality of communication devices; and a processing device positioned within the enclosed compartment, connected to the input and output ports, and configured for interconnecting the input port connectors to the output port connectors.
System and method for reassigning an active mobile telephone call from device to another device
Systems and methods for reassigning active mobile telephone calls from one device to another device are provided. The systems and methods include receiving and answering a phone call, displaying a list of devices within a short range network, reassigning the telephone call to one of the devices, and disconnecting the call from the transferring device.
Integration of wired information and wireless information to locate a wireless device
One embodiment described herein includes a method of determining the location of a wireless device. The method includes capturing wired information about wired components in a network. Capturing wired information includes one or more of: reading information from a storage device associated with a connector of a wired communication media, or communicating a signal over an out-of-band conductor included in a cable in addition to the in-band conductors. The method also includes capturing wireless information about a wireless device communicatively coupled to the network, and integrating at least some of the wired information and the wireless information. The integrated wired information and wireless information is used to locate the wireless device.
Small cell activation control of portable multi-purpose wireless device
In a network node, wireless device, or both, a method for controlling activation or deactivation of a small cell activity of a portable multi-purpose wireless device in a wireless communications network may include determining a geographic location of a portable multi-purpose wireless device. The device may be capable of two or more different states of small cell activity, including an activated state, a deactivated state, or a latent state. The method may include controlling a current one of the two or more different states of the small-cell capability of the portable multi-purpose wireless device, based at least in part on the geographic location. The network node, the wireless device, or both may activate or deactivate the small cell activity, or place it into a latent state, based on additional factors. In addition to its small cell capabilities, the wireless device may perform user function unrelated to the wireless network.
Locating and tracking system
A locating and tracking system includes: at least one monitoring device; and a plurality of Bluetooth low energy (BLE) devices acting as either backbone nodes or tracking nodes. The backbone nodes are connected with each other and form a mesh network to relay information to the monitoring device in mesh mode so that the monitoring device knows all the backbone nodes' presence and locations. Each backbone node is further connected with a plurality of tracking nodes to form a sub-network. Within the sub-network, the backbone node is configured to operate in beacon mode to periodically check presence of all the tracking nodes and other compatible BLE devices within its coverage.
Open wireless architecture (OWA) mobile cloud infrastructure and method
An advanced mobile terminal converging multiple wireless transmission technologies by utilizing a cost-effective and spectrum-efficient mobile cloud solution by introducing Virtual Mobile Server (VMS) and Virtual Register and Call Switch (VR/CS) systems and methods based on the innovative open wireless architecture (OWA) technology platform, and the mobile terminal shared with other mobile cloud clients including computer terminal and television terminal fully synchronized through the VMS for the integrated smart home and smart office platform for the enterprise mobility solutions between home and enterprise.
Service platform for general-purposed multi-functional detectors
Disclosed is a service platform for general-purposed multi-functional detectors that comprises a memory device to store a plurality of application programs; and a communication module to provide an application program to a plurality of mobile devices. The application programs, when installed in a mobile device, operate the mobile device to communicate with particular general-purposed multi-functional detectors and obtain at least one sensing parameter from the detectors. The detectors provide a detector ID code and at least one detection parameter. An application program includes at least one judgment rule, which comprises at least one event and one action corresponding to the event that includes a detection parameter of the detectors.
Methods and apparatuses for performing null steering of adaptive microphone array
Configuring an adaptive microphone array to gather signals from a main lobe of the array, and configuring the array to reduce side interference gathered from sources that are not situated within the main lobe. A memory stores test signals gathered by the array at a plurality of predetermined angular bearings with reference to the array in an anechoic chamber. Signals gathered in real time are processed to provide a preliminary output and preliminary weights. The test signals are retrieved from memory. The preliminary weights are applied to the test signals to provide null steering weights. The null steering weights and the preliminary output are processed to reduce or minimize the amplitude response of the array at the angular orientation.
Wireless communication apparatus, wireless communication system, and data processing method
A wireless communication apparatus which communicates with a first microphone is disclosed, which includes an audio processor which acquires audio data from the first microphone, a controller which detects an instruction for audio recording from the first microphone, an audio recorder which starts recording the audio data and stops the recording after a defined period of time since detection of the instruction for audio recording, a timer which starts measuring time for the defined period of time, and a memory controller which creates a recorded audio file, wherein the recorded audio file is linked to log information.
Enhanced comfort earbud
An earbud that uniformly conforms to the ear canal and maintains a constant and comfortable radial pressure on the ear canal regardless of size. The earbud is designed to extrude distally when placed inside a small canal and yet still conforms to the canal while maintaining the aforementioned comfortable radial pressure. A wax bridge may be added to provide an added layer of wax protection to the earbud.
Methods and systems for logging data associated with an operation of a sound processor by an auditory prosthesis
An exemplary method includes 1) detecting, by an auditory prosthesis configured to be implanted in a patient, a communicative coupling of a sound processor to the auditory prosthesis, the sound processor configured to be located external to the patient, and 2) logging, by the auditory prosthesis, data associated with an operation of the sound processor while the sound processor is communicatively coupled to the auditory prosthesis. Corresponding auditory prostheses and systems are also disclosed.
Audio reproducing method and apparatus
An information processing apparatus that reproduces left and right audio signals based on data acquired from a sound source; acquires left and right surrounding sounds collected by left and right microphones included in a headphone unit connected to the information processing apparatus; combines a sound corresponding to at least one of the left and right surrounding sounds with at least one of the left and right audio signals; and outputs the left and right audio signals combined with the sound corresponding to the at least one of the left and right surrounding sounds to left and right earphones of the headphone unit.
Systems and methods for detection of load impedance of a transducer device coupled to an audio device
In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load detection circuit. The electrical terminal may couple a transducer device to the audio device. The audio circuit may generate an analog audio signal, wherein the analog audio signal is coupled to the electrical terminal The transducer load detection circuit may detect a load impedance of the transducer device when the transducer device is coupled to the audio device from characteristics measured at the electrical terminal.
Method and circuitry for direction of arrival estimation using microphone array with a sharp null
A device is configured for identifying a direction of a sound. The device includes a controller comprising circuitry. The circuitry is configured to receive a first output from a first input device and a second output from a second input device. The circuitry is also configured to add a delay to the second output. The circuitry is also configured to compare the first output to the delayed second output in a plurality of directions to form a comparison. The circuitry is also configured to identify a number of null directions of the plurality of directions where a set of nulls exists based on the comparison.
Microphone array with daisy-chain summation
Microphone stages in a microphone array may be coupled together in a daisy chain. Each stage may include a microphone, an analog to digital converter, a decimation unit, a receiver, an adder, and a transmitter. The converter may convert analog audio microphone signals into digital codes that may be decimated. The adder may add decimated digital codes in each stage to a cumulative sum of decimated digital codes from prior stages. This new sum may be transmitted to the next microphone stage, where the adder may add the decimated digital codes from that stage to the cumulative sum. A serial interface may be used to connect the transmitters and receivers of each of the stages. The serial interface may be used to transmit the cumulative sum of decimated digital codes between the stages. The serial interface may also be used to transmit configuration data between the stages.
Systems and methods for enhancing performance of audio transducer based on detection of transducer status
Based on transducer status input signals indicative of whether headphones housing respective transducers are engaged with ears of a listener, a processing circuit may determine whether the headphones are engaged with respective ears of the listener. Responsive to determining that at least one of the headphones is not engaged with its respective ear, the processing circuit may modify at least one of a first output signal to the first transducer and a second output signal to the second transducer such that at least one of the first output signal and the second output signal is different than such signal would be if the headphones were engaged with their respective ears.
Floating plate capacitive sensor
Methods and apparatuses for capacitive sensing are disclosed. In one example, a capacitive sensor includes a floating sense electrode disposed within proximity of an outward facing surface adapted to be brought in proximity to or touch a user skin surface. An interior electrode is disposed in proximity to the floating sense electrode, where the interior electrode and floating sense electrode form a capacitor.
Speaker's fast installation assembly
A speaker's fast installation assembly includes one ring portion and a plurality of fixing units. Each fixing unit includes an upper cylindrical portion, a lower cylindrical portion and a spring. Each lower cylindrical portion has an L shape and includes a vertical cylindrical part and a horizontal part, which horizontally extends from a lower portion of the vertical cylindrical part.
Low complexity tone/voice discrimination method using a rising edge of a frequency power envelope
An apparatus comprising a decision circuit, a detector circuit and a processing circuit. The decision circuit may be configured to generate a confirmation signal in response to a first lock signal and a second lock signal. The detector circuit may be configured to generate the first lock signal in response to a filtered version of an input signal being above a threshold. The processing circuit may be configured to generate the second lock signal in response to a power signal received from the detector circuit. The processing circuit generates the second lock signal by analyzing the rising edge of a frequency power envelope of the power signal.
Apparatus and method for tagging media content and managing marketing
A method that incorporates teachings of the present disclosure may include, for example, transmitting media content to a group of set top boxes for presentation with an overlay superimposed onto the media content, where the overlay can include a timeline corresponding to the presentation of the media content and receiving a first comment from a first set top box of the group of set top boxes, where the first comment is presentable with the overlay and the media content by the group of set top boxes. Additional steps can include receiving a tag generated at a first set top box during presentation of the media content, presenting the tag while the media content is presented, correlating the tag to a portion of the media content timeline and analyzing metadata associated with the portion of the timeline that is tagged to determine a first marketing parameter. Other embodiments are disclosed.
Methods and apparatus for supporting trick play functions in devices without local storage
Methods and apparatus for providing playback devices with trick play functionality are described. The system includes a playback device, e.g., without recording capability, and a gateway device with multiple tuner-demodulators and/or a cable modem and recording capability. During normal playback, in some embodiments, both the playback device and gateway receive content in parallel with the gateway recording content at the request of the playback device and supplying the content over the local network when a user of the playback device requests a trick play operation. A single gateway, with multiple tuner demodulator pairs and/or a cable modem, supports trick play functions. In some embodiments if the number of playback devices exceeds the number of tuner-demodulator pairs in the gateway, the playback device can stream content to the gateway for recording and to be returned via the local network in the event of a request for a trick play operation.
Method for transmitting/receiving internet-based content and transmitter/receiver using same
The present invention relates to a method for transmitting/receiving through a network such as the Internet, and to a transmitter/receiver using same, the transmission method comprising: converting content stored in a file format into a delivery format; and including the content converted into the delivery format in a payload of an IP packet and transmitting same, wherein one or more mdats, which are included in an mdat box of the file format, are cut according to a time window and sequentially included in the delivery format in the transforming step.
System and method for distributing media content from multiple sources
A subscriber unit is provided and configured to receive an input media content feed of a media content program selection from a first source upon a determination that predetermined conditions exist. The subscriber unit may further be configured to receive an input media content feed of a media content program selection from a second source upon determining that certain predetermined conditions do not exist.
Cross-platform interface for a television device
A method for providing a cross-platform interface for a television device is provided, including the following method operations: identifying available services for consumption on a television device, wherein the available services include two or more of a broadcast television service, an on-demand video service, and an internet content service; determining a current date and time; determining content items available for consumption from each of the available services at the current date and time; determining an allocation of display locations in a cross-platform interface for content items from each of the available services, the allocation defining a relative amount of display locations for each of the available services based on a device profile associated with the television device; assigning content items to the display locations in accordance with the determined allocation.
Method and device for generating and detecting a fingerprint functioning as a trigger marker in a multimedia signal
A device is configured to perform a method that detects a trigger marker for an action corresponding to a segment of a multimedia signal. A fingerprint is generated based on the segment of the multimedia signal at a trigger time point. The generated fingerprint is stored in a database and communicated to the device. During playback of the multimedia signal, fingerprints of segments of the multimedia signal are generated and matched against fingerprints in the database. When a match is found, one or more associated actions for the segment are retrieved by the device. The trigger time point may be determined as a time point near or at the segment of the multimedia signal with the matched fingerprint. In this way, trigger markers for actions may be enabled without modifying the multimedia signal.
A system and a method are disclosed for selecting a television function on a channel control system through a mobile device. A request to select the television function is received. The request may be generated in response to activating a link or element in an application configured on a computing device. The television function associated with the request is to select a television broadcast channel showing a particular television program. A channel showing the particular television program is determined. An infrared code comprising an instruction to select the television function associated with the determined channel is received. The system and method allow a user to access broadcast television programs from an online interface.
Terminal based on conditional access technology
The terminal comprises a tuner, a security chip and a digital television terminal main chip. The tuner is used to receive cable television broadcast data through a cable for cable televisions, and transmit the received cable television broadcast data to the security chip. A key message required by CA is stored in the security chip. The security chip is used to extract stream media of a program needing to be played from the received cable television broadcast data, descramble the stream media according to the stored key message required by the CA, encrypt the descrambled stream media, and transmit the encrypted stream media to the digital television terminal main chip. The digital television terminal main chip is used to decrypt the received encrypted stream media, decode the decrypted stream media to obtain audio and video data, and output the audio and video data.
Transmitting device and receiving device
A transmitting device, a receiving device, and a method for transmitting and a method for receiving data streams, in particular video streams, are described. The transmitting device for data streams, in particular video data, has at least one unit. This at least one unit is designed for subdividing the data streams into sections, the sections into packets, and for providing the sections in a sequence that is the reverse of an original sequence and the packets in an original sequence.
Facilitating communication actions in accordance with cable attributes
Systems, methods, and computer-readable media for facilitating initiation of communication actions in accordance with cable attributes. In one embodiment, cable attributes are referenced that indicate utilization of a cable device at a time a communication event is directed to a user device. The user device and the cable device may be associated with the same user. Communication actions to apply in accordance with the communication event are determined based on at least one of the cable attributes. Thereafter, the communication actions are initiated, for example, such that a user is provided with an indication of the communication event visually via the cable device and/or audibly via the user device, depending on the particular cable attributes.
Method and apparatus for automatic second screen engagement
A method includes displaying content on a television, detecting a personal display device in proximity of the television, detecting a selection of content displayed on the television, detecting an instruction associated with the selection, displaying, based on the instruction, information associated with the selection on the personal display device and displaying on the television an alert indicating that the information associated with the selection is on the personal display device.
User selection of software components in a television set-top box
A method for allowing user selection of interactive video software components in a television STB operatively coupled to a video content network includes the steps of: affording the user a selection of interactive video software components to run on the set-top box; and loading selected interactive video software components onto the set-top box. The selected interactive video software components are delivered from a remote node over the video content network to which the STB is coupled.
Systems and methods for processing a traffic log having an optional promotion log entry
Disclosed herein are systems and methods for processing a traffic log having an optional-promotion log entry. An example method involves (i) accessing a stored television-broadcasting traffic log, wherein the traffic log includes multiple ordered log entries including at least a first log-entry and a second log-entry; (ii) making a first determination that the first log-entry corresponds to a show-segment video-component (VC) of a live news program; (iii) making a second determination that the second log-entry corresponds to an initial show-segment VC of a show, wherein the show is scheduled to follow the live news program; (iv) identifying, among log entries scheduled between the first log-entry and the second log-entry, a set of optional-promotion log entries, each such optional-promotional log entry having a duration; (v) determining a cumulative duration of the optional-promotion log entries in the identified set; and (vi) providing the determined cumulative-duration to an output device for presentation.
Gateway-based video client-proxy sub-system for managed delivery of A/V content using fragmented method in a stateful system
Systems and methods can provide a gateway-based video client proxy subsystem for managing delivery of segmented video in a stateful system. Such systems can operating to provide segmented video streams client devices via customer premise gateway devices. The system can receive state information from the customer premise gateway devices for use in managing network resources associated transmitting with the segmented video streams, and deriving allocations of bandwidth to flows associated with the client devices based upon the state information received from the customer premise gateway devices.
Digital video recorder program to mobile device
Method, device, and storage medium to provide programs, recorded and stored in relation to a digital video recorder (DVR) service, to a mobile device. A mobile device includes a mobile DVR application that provides for the automatic downloading or streaming of the programs. A network device provides transcoding of the programs to a format compatible with the mobile device. The mobile DVR application allows the user to set preferences pertaining to the invocation and delivery of the programs.
Alternative advertising in prerecorded media
Presenting viewers with an alternative brief version of a recorded advertisement when they choose to fast-forward through or skip (or any other trick play event) the recorded advertisement. The alternative advertisement may be displayed instead of or in conjunction with the recorded advertisement (i.e., fast-forwarding advertisement is displayed in one portion of the screen (i.e., background or portion of a split screen) and the alternative brief version is displayed in another portion). The alternative brief version of the advertisement (trick play advertisement) may be a marketing message that is a static screen presenting a logo or a portion of the recorded advertisement, or may be a condensed version of the actual advertisement. The trick play advertisements may be targeted. An alternate or entirely unrelated advertisement can also be displayed as the trick play advertisement.
End user-based personalized ad insertion in broadcast-broadband hybrid terminals
A system and method for signaling timing and content of personalized ads to a hybrid terminal via a television broadcast/multicast network. The currently-present ad insertion markers in the transport stream of the broadcast/multicast content are replaced by a Service Information, SI, table that contains information corresponding to the replaced markers. The table-containing transport stream is then delivered to the hybrid terminal. The SI table may include a manifest to signal upcoming time slots for advertising. The manifest may provide information about sources from which the hybrid terminal can fetch personalized advertisements and may also identify available time slots in the transport stream for inserting the fetched ads. To enable the hybrid terminal to present personalized advertisements to its viewer, the SI table may identify an Ad Decision Server, ADS, from which the hybrid terminal can request targeted ads for playback to the viewer watching a broadcast/multicast TV program.
Dynamic generation of a quantization matrix for compression of a digital object
Some aspects of the disclosure relate to a compression technique that can permit determining dynamically a satisfactory quantization matrix based at least on properties intrinsic to a digital object being compressed and a predetermined compression quality criterion, wherein the quantization matrix is associated with a specific space-domain-to-frequency-domain transforms. In one aspect, the compression technique can permit creation of a compressed digital object that can satisfy a predetermined a compression quality criterion.
Device and method for multimedia data transmission
A method to transmit images of a video sequence over a transmission channel between a transmitter and a receiver of a communication network, the image being composed of several image areas, the method for an image to be transmitted including: identifying image areas of a first type in the image; identifying image areas of a second type in the image; determining a transmission rate for transmission of the image to the receiver as a function of the number of first-type image areas compared with the number of second-type image areas; selecting a coding scheme for each image area as a function of area type; modifying the coding parameters as a function of the determined transmission rate; encoding the image areas by applying the selected coding scheme and the modified coding parameters; and transmitting the image areas at the determined transmission rate. Improved image quality is thus obtained.
Variable coding resolution in video codec
A video codec provides for encoding and decoding pictures of a video sequence at various coded resolutions, such that pictures can be encoded at lower coded resolutions based on bit rate or other constraints while maintaining a consistent display resolution. The video codec employs a coding syntax where a maximum coded resolution is signaled at the sequence level of the syntax hierarchy, whereas a lower coded resolution is signaled at the entry point level for a segment of one or more intra-coded frames and frames predictively encoded based thereon. This allows the use of a separate out-of-loop resampler after the decoder to up-sample the pictures to the display resolution.
Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
The present disclosure provides a video decoding apparatus including a decoder configured to decode, from encoded data, transform information for identifying one or more transform blocks, wherein a residual block of a current block to be decoded is comprised of the transform blocks, and reconstruct, from the encoded data, transform coefficients of each of the transform blocks identified by the transform information, an inverse transformer configured to reconstruct the residual block by inversely transforming the transform coefficients in units of a size of each of the transform block, a predictor configured to generate a predicted block by predicting the current block, an adder configured to reconstruct the current block by adding the residual block to the predicted block, and a filter configured to perform deblocking-filtering on at least part of transform boundaries between the transform blocks in the reconstructed current block.
Signal processing apparatus, signal processing method, program, and signal transmission system
A signal processing apparatus includes a mapping unit configured to multiplex first to fourth pixel data with respect to areas of first to fourth signals of a data stream prescribed in a predetermined SDI (Serial Digital Interface) format, respectively. The first to fourth pixel data respectively correspond to first to fourth colors of video data in which pixels are arranged on a block basis with 2×2 pixels as the block, and the 2×2 pixels respectively correspond to the first to fourth colors.
Complexity allocation for video and image coding applications
Coding method complexity types are assigned to video for combinations of coding decision levels associated with a sequence of pictures, a group of pictures, a scene, a region of the scene or picture, a block or macroblock. Multiple coding units are encoded as a function of complexity and determined from the coding decision levels. A first coding decision level is associated with determining a first complexity and a first coding method type for the sequence of pictures. A second coding decision level is associated with determining a second complexity and a second coding method type for the pictures or scene. The picture or sequence includes the coding units. A third coding decision level is associated with determining a third complexity and a third coding method type for the coding units.
Simplification of significance map coding
In one embodiment, a method for encoding video data is provided that includes receiving an array of transform coefficients corresponding to a luma component or a chroma component of the video data. The method further includes encoding a significance map for the array, where the encoding includes selecting, using a shared context derivation process that applies to both the luma component and the chroma component, context models for encoding significance values in the significance map.
Signaling of long-term reference pictures for video coding
In one example, a device for decoding video data includes a video decoder configured to decode a value representative of a difference between most significant bits (MSBs) of a reference picture order count (POC) value and MSBs of a long-term reference picture (LTRP) POC value, wherein the reference POC value corresponds to a picture for which data must have been received in order to properly decode a current picture, determine the MSBs of the LTRP POC value based on the decoded value and the reference POC value, and decode at least a portion of the current picture relative to the LTRP based at least in part on the LTRP POC value. The picture for which data must have been received in order to properly decode a current picture may correspond to the current picture itself or a most recent random access point (RAP) picture.
Method and apparatus for video coding
There is provided a slice header prediction method and apparatuses for 3D video encoding and decoding. In some example embodiments the following features can be derived from the header prediction method. Any decoding order of texture and depth view components may be supported. Also flexible prediction of syntax elements from any slice header appearing earlier in decoding order within the same access unit is allowed. The prediction can be turned on or off on view component basis. The syntax elements of the slice header may be categorized in a few sets and the use of the prediction as well as the prediction source for each set can be individually controlled. By using some example embodiments of the method all syntax elements of the slice header may be predicted.
Access unit independent coded picture buffer removal times in video coding
A video coding device, such as a video encoder or a video decoder, may be configured to code a duration between coded picture buffer (CPB) removal time of a first decoding unit (DU) in an access unit (AU) and a second DU, wherein the second DU is subsequent to the first DU in decoding order and in the same AU as the first DU. The video coding device may further determine a removal time of the DU based at least on the coded duration. The coding device may also code a sub-picture timing supplemental enhancement information (SEI) message associated with the first DU. The video coding device may further determine a removal time of the DU based at least in part on the sub-picture timing SEI message.
Autostereoscopic display device and drive method
The invention provides an autostereoscopic display device in which a viewer tracking system determines a position of a viewer with respect to the display panel. The display panel is controlled to display a number of different views which is dependent on at least the distance of the viewer from the display panel. This enables the number of views to optimized with respect to the position and/or speed of movement of the viewer.
Modifying images for a 3-dimensional display mode
Modifying images for a 3-dimensional display mode includes receiving a third image encoded for a 3-dimensional display mode, receiving a first image not encoded for the 3-dimensional display mode, modifying the first image to generate a second image encoded for the 3-dimensional display mode, and displaying the third image and the second image in the 3-dimensional display mode.
Document camera, method for controlling document camera, program, and display processing system
An document camera used by being connected to a display apparatus is provided. The document camera includes a plurality of imagers, an image processing unit that produces two sets of image data by using two of the plurality of imagers to capture images of a single target object from different imaging positions, a parameter acquisition unit that acquires a parameter for determining an inter-image distance between the two sets of image data to be displayed by the display apparatus, and an output unit that outputs the two sets of image data and the parameter or the inter-image distance to the display apparatus.
Structured-light projector and three-dimensional scanner comprising such a projector
A structured-light projector including a light source, an optical system for spectral decomposition, an encoding device, an optical system for spectral recombination and an optical system for projection. The encoding device includes a mask that includes a binary encoding matrix pattern formed from 2*n rows and m columns, a sub-pattern defined by the rows “1” to “n” being illuminated by an image of the beam with the wavelength λmin and a sub-pattern defined by the rows “n+1” to “2*n” being illuminated by an image of the beam with a wavelength λmax. The two sub-patterns being identical or complementary, and two neighboring columns each including a different binary encoding from the other.
Depth map generation
Depth maps are generated from two or more of images captured with a conventional digital camera from the same viewpoint using different configuration settings, which may be arbitrarily selected for each image. The configuration settings may include aperture and focus settings and/or other configuration settings capable of introducing blur into an image. The depth of a selected image patch is evaluated over a set of discrete depth hypotheses using a depth likelihood function modeled to analyze corresponding images patches convolved with blur kernels using a flat prior in the frequency domain. In this way, the depth likelihood function may be evaluated without first reconstructing an all-in-focus image. Blur kernels used in the depth likelihood function and are identified from a mapping of depths and configuration settings to the blur kernels. This mapping is determined from calibration data for the digital camera used to capture the two or more images.
Method for play synchronization and device using the same
Methods and apparatuses are provided for providing contents. A plurality of contents is reproduced at the first device. The plurality of contents is transmitted from the first device to a second device to reproduce, in the second device, content in synchronization with the first device. Data is received from an external device during the reproducing of the plurality of contents at the first device. The received data is reproduced along with at least one of the plurality of contents being reproduced at the first device. The received data is transmitted from the first device to the second device. The transmitted data is used to enable the second device to reproduce the transmitted data together with the at least one of the plurality of contents.
Electronic flash, electronic camera and light emitting head
An electronic camera having an electronic flash including a plurality of light emitting diodes (LEDs) that emit different wavelength light is disclosed. Electric energy is supplied to a capacitor to the LEDs. A system controller controls light emitting amounts of the LEDs so that a color temperature of the electronic flash light becomes a color temperature that has been manually set with a color temperature setting switch or a color temperature of a light source determined by color temperature sensors.
Single lens 3-D camera
A camera includes a lens to receive an optical image from two viewing angles. A filter converts the optical image into two orthogonally polarized images, each orthogonally polarized image corresponding to a different one of the viewing angles. An image detector detects the two orthogonally polarized images in a single frame. An image processor decodes the two orthogonally polarized images in the single frame into two video signals corresponding to the two viewing angles. A method of imaging includes receiving an optical image from two viewing angles through a single lens, converting the optical image into two orthogonally polarized images, each polarized image corresponding to a different viewing angle, distinguishably detecting the two orthogonally polarized images in a single frame, and decoding the two orthogonally polarized images in the single frame into two video signals corresponding to the two viewing angles.
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding DP (Data Pipe) data corresponding to each of a plurality of DPs, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving the mapped DP data at DP level, a frame builder for building at least one signal frame including the time interleaved DP data, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals having the modulated data.
Systems and methods for event programming via a remote media player
Systems and methods are provided that allow a user to register for selective notifications of one or more events that may occur on a channel in a media stream. When a registered event occurs, the system and method generates an event notification, which is delivered to the remotely-located media player. In response to the event notification, the media player can be automatically enabled and/or switched to the appropriate channel. Alternatively, the system and method may notify the user of the event, and give the user the option of enabling and/or switching the media player to the channel corresponding to the event. The system and method can be implemented to facilitate monitoring for a variety of different types. In each of these various types the user is able to select the events for which monitoring and notification will be provided.
Rendered audiovisual communication
Systems and approaches are provided to allow for rendered audiovisual communication. An electronic device can be used to capture image information relating to physical features of a user. A model can be generated from the image information, and the model may be used to render audiovisual communication information from image and audio captured in real time. The rendered audiovisual communication data can simulate live video conferencing with substantial performance gains over conventional approaches to video conferencing. When the image capturing component of the electronic device is capable of depth imaging, stereo imaging, or other imaging techniques, the rendered audiovisual communication can be further enhanced with 3-D rendering of the user. Other aspects of audiovisual data, such as speech, background, and lighting conditions can also be rendered or synthesized to improve audiovisual communication.
Information processing apparatus, calling method, and communication system
An information processing apparatus includes one or more processors configured to receive image data from another information processing apparatus. The processor includes a reception unit that receives call information from the other information processing apparatus when the processor is in a state of receiving at least the image data from the other information processing apparatus, and a calling sound output unit that outputs a calling sound upon reception of the call information by the reception unit.
Flow-control based switched group video chat and real-time interactive broadcast
Real-time interactive broadcast sessions for client devices include: for each client device in the interactive broadcast session, configuring downstream video and audio ports for the interactive broadcast session between a central controller and the client device; receiving from each client device a selected broadcaster corresponding to a broadcaster flow control signal; in response to receiving the selected broadcaster from each client device, sending video and audio streams of the selected broadcaster to each client device over the interactive broadcast session; receiving a request from a given client device on the interactive broadcast session to interact with the selected broadcaster; configuring upstream and downstream video ports for one-to-one video chat session between the central controller and the given client device; and sending the video and audio streams of the given client device, and the video and audio streams of the selected broadcaster, to each client device over the interactive broadcast session.
Information processing apparatus, information processing method, communication terminal, and communication system
An information processing apparatus is disclosed, which is communicatively connected to a communication terminal, and which is accessible to an image data storage unit and a document data storage unit. The information processing apparatus further includes a receiving unit; and a transmitting unit which, when a transmission request is received by the receiving unit, transmits, to the communication terminal, screen data in which are associated identification information of image data when owner identification information linked to document data stored in the document data storage unit is linked to the image data stored in the image data storage unit or information indicating non-registration when owner identification information linked to the document data stored in the document data storage unit is not linked to the image data stored in the image data storage unit, and identification information of the document data stored in the document data storage unit.
Wireless augmented reality communication system
The system of the present invention is a highly integrated radio communication system with a multimedia co-processor which allows true two-way multimedia (video, audio, data) access as well as real-time biomedical monitoring in a pager-sized portable access unit. The system is integrated in a network structure including one or more general purpose nodes for providing a wireless-to-wired interface. The network architecture allows video, audio and data (including biomedical data) streams to be connected directly to external users and devices. The portable access units may also be mated to various non-personal devices such as cameras or environmental sensors for providing a method for setting up wireless sensor nets from which reported data may be accessed through the portable access unit. The reported data may alternatively be automatically logged at a remote computer for access and viewing through a portable access unit, including the user's own.
Image sensing device having input/output lines
An image sensing device includes a first read unit suitable for generating a first read signal by reading a first pixel signal, a first input line suitable for transmitting the first pixel signal, a first feedback line suitable for feeding back the first read signal, a second read unit disposed adjacent to the first read unit in a same row and suitable for generating a second read signal by reading a second pixel signal, a second input line suitable for transmitting the second pixel signal, and a second feedback line suitable for feeding back the second read signal wherein the first input line and the first feedback line are disposed symmetrically to the second input line and the second feedback line.
Signal processing apparatus, signal processing method, image pickup element, and imaging apparatus
Provided is a signal processing apparatus, including: an A/D conversion unit configured to perform A/D conversion of a first signal, A/D conversion of a second signal, A/D conversion of a third signal, and A/D conversion of a fourth signal; and a correlated double sampling processing unit configured to generate a first output signal by performing correlated double sampling using a first digital data item obtained through the A/D conversion of the first signal, and a second digital data item obtained through the A/D conversion of the second signal, a second output signal by performing correlated double sampling using a third digital data item obtained through the A/D conversion of the third signal, and a fourth digital data item obtained through the A/D conversion of the fourth signal, and a third output signal by performing correlated double sampling using the first output signal and the second output signal.
Image sensor array with external charge detection circuitry
An image sensor may include an array of pixels that do not include any source follower, reset, or addressing transistors, which helps to increase pixel well capacity, reduces or eliminates random telegraph signal (RTS) noise, and reduces undesirable dark current. Charge to voltage conversion may be performed by charge detection circuitry that is external to the array of pixels. The charge detection circuitry may include amplifier circuitry such as an operational amplifier and may be located at the periphery of the array of pixels or on a different semiconductor substrate. By locating the charge detection circuitry outside of the array of pixels, additional flexibility may be provided for the charge detection circuitry. The charge detection circuitry may be provided with switchable gain or with non-linear charge to voltage conversion capability.
Image blending based on image reference information
A target image is obtained from a cloud database based on reference information associated with a source image that is captured by an image capture device. The target image is blended with the source image to generate a blended image.
Embedded audio routing switcher
An apparatus includes a separator for selectively separating audio from input signals including video with audio, a switcher for selectively transferring the input signals to at least one output, a multiplexed path for sending the separated audio signal to the at least one output, the at least one output being configured for selectively directing the input signals and separated audio signals.
Exposure value adjustment apparatus, method, and non-transitory tangible machine-readable medium thereof
An exposure value adjustment apparatus, method, and non-transitory tangible machine-readable medium thereof are provided. The exposure value adjustment apparatus includes a camera module and a processor. The camera module captures a reference image by a base exposure value. The processor generates a histogram of the reference image, divides the histogram into a low partial histogram, a middle partial histogram, and a high partial histogram by a first threshold and a second threshold, decides a high exposure value according to the low partial histogram and the middle partial histogram, decides a low exposure value according to the high partial histogram and the middle partial histogram, and decides a middle exposure value according to the high exposure value and the low exposure value. The low exposure value is lower than the high exposure value, and the middle exposure value is between the high exposure value and the low exposure value.
Image capture apparatus
The present invention relates to an image capture apparatus comprising an image sensor that includes a plurality of first pixel portions and a plurality of second pixel portions whose output signals can be used to perform a correlation operation. In a case of a first photographing condition, the apparatus performs correction processing on output signals from the first pixel portions using output signals from the second pixel portions, and in a case of a second photographing condition, does not perform correction processing on output signals from the first pixel portions using output signals from the second pixel portions. The apparatus also performs image processing on a signal resulting from the correction processing or a signal that was not subjected to the correction processing, and records a signal resulting from the image processing.
Imaging arrangements and methods therefor
Image data is processed to facilitate focusing and/or optical correction. According to an example embodiment of the present invention, an imaging arrangement collects light data corresponding to light passing through a particular focal plane. The light data is collected using an approach that facilitates the determination of the direction from which various portions of the light incident upon a portion of the focal plane emanate from. Using this directional information in connection with value of the light as detected by photosensors, an image represented by the light is selectively focused and/or corrected.
Display apparatus, method of controlling operations of the same, and network system
A display apparatus includes a display device, obtains first information indicating an error occurring in an electronic apparatus from the electronic apparatus; transmits, to an external information processing apparatus, the obtained first information and second information indicating a display capability of the display device, and obtains third information indicating a manner of dealing with the error occurring in the electronic apparatus. The third information has been transmitted by the external information processing apparatus based on the first information and the second information. The display control part then displays the obtained third information on the display device.
Electronic device and method for taking image of face
A method for taking image of face which is executable on an electronic device requires a speaker and a camera. An activation of the camera is detected and the speaker is controlled to emit sound from an audio file to draw attention of a target. If the face of the target is not facing the camera for a predetermined duration, a volume of the emitted sound is increased or another audio file replaces the currently played audio file and the camera is triggered to take an image of the target when the target is fully facing the camera.
Image forming apparatus
An image forming apparatus includes: a copy condition storage section configured to store a copy condition depending on a size of an original document to be copied, with the copy condition associated with at least a width of the original document along a main scanning direction; a document width detecting section configured to detect the document width; a copy condition readout section configured to read, from the copy condition storage section, the copy condition associated with the document width detected by the document width detecting section; an image forming section configured to form an image on a recording sheet; an image reading section configured to read the original document to acquire an image; and a control section configured to allow the image forming section to form the image acquired by the image reading section on the recording sheet according to the copy condition read by the copy condition readout section.
Aligning mechanism of 3D printer scanning device
In an aligning mechanism of a 3D printer scanning device, a scan driving module includes a base and a motor, and the motor has a driving gear. The scan loading module includes a loading table, a turntable, and an engaging gear connected to the turntable, and the loading table has a notch, and the engaging gear is exposed from the notch. The driving gear of the scan driving module and the engaging gear of the scan loading module have a rounded corner or a positioning portion, so that the driving gear is engaged precisely with the engaging gear.
Adjustable scanning device
An adjustable scanning device includes a base, a first contact sensor mounted to the base and exposed to a top surface of the base, a cover mounted on the base and located above the first contact sensor, and a second contact sensor. The second contact sensor is movably mounted to the cover up and down, and exposed to a bottom surface of the cover. The second contact sensor is located over the first contact sensor to form an adjustable scanning path located between the second contact sensor and the first contact sensor. A width of the adjustable scanning path is adjustable.
Image recording apparatus
An image recording apparatus includes a printing device, an image reading device, two hinge members, and a feed tray. The printing device includes a printing unit configured to record an image on a sheet. The image reading device is disposed above the printing device and includes a scanner configured to read an image recorded on a sheet. The two hinge members are configured to connect the image reading device and the printing device such that the image reading device is pivotable with respect to the printing device. The feed tray, on which a sheet is to be placed, is disposed between the two hinge members. The printing device includes a feeder configured to feed the sheet placed on the feed tray into the printing unit.
Image processing apparatus and operations thereof
An image processing apparatus includes a processor to perform: acquiring date information determined based on a current date; selecting an icon to be displayed on the display unit, according to the date information, from a plurality of icons that is used to execute image processing; controlling a display unit such that the display unit displays the selected icon; acquiring selection information specifying an icon selected from the icon displayed on the display unit; and controlling a printing execution unit such that the printing execution unit prints an image by executing the image processing associated with the icon specified. In a case where the date information represents a first date, the processor, in the selecting, configured to select a first icon, and in a case where the date information represents a second date, the processor, in the selecting, configured to select a second icon.
Image processing apparatus and method for the same
An image processing apparatus including a wireless communication unit, an image processing unit, and a controller configured to establish a wireless connection to perform wireless signal communication between the wireless communication unit and an external device, acquire a reception intensity of a wireless signal received from the external device via the wireless communication unit, determine whether the reception intensity is more than a threshold value, when determining that the reception intensity is more than the threshold value, control the image processing unit to execute an image processing instruction received from the external device via the wireless communication unit, and when determining that the reception intensity is not more than the threshold value, transmit an instruction to display a warning on the external device, to the external device via the wireless communication unit, without controlling the image processing unit to execute the image processing instruction.
Management and dissemination of information from a controlled-environment facility
Systems and methods for dissemination of information from a controlled-environment facility may offer a non-resident and/or resident an option to subscribe to notifications about a particular resident of a controlled-environment facility and/or notifications about the controlled-environment facility. Identification and contact information may be accepted from the non-resident to establish the non-resident as a paid or non-paid subscriber to notifications about the resident and/or the controlled-environment facility. A determination may be made, or an indication may be received from a controlled-environment facility administration and management system, when information about the resident hosted by the controlled-environment administration and management system changes and/or when a change is made to information about the controlled-environment facility. As a result, the subscriber is contacted and notified of the change(s).
Methods and devices for updating filter coefficients during echo cancellation
Methods and devices for updating filter coefficients during echo cancellation are disclosed. A communication device includes a processor configured to operate a background filter configured as an adaptive filter, operate a foreground filter configured as a fixed filter; and update the foreground filter with coefficients from the background filter responsive to monitoring a history of both a near-end signal energy and an estimated far-end signal energy for a pre-determined time window in which conditions of each of the near-end signal energy and the estimated far-end signal energy are satisfied. A related method includes monitoring a near-end signal energy, monitoring an estimated far-end signal energy, performing an echo cancellation, and transferring coefficients from an adaptive filter to a fixed filter responsive to a history of both the near-end signal energy and the estimated far-end signal energy satisfying conditions for a pre-determined time window.
Method and system for call, facsimile and electronic message forwarding
A method and system are provided for forwarding telephone calls, facsimile transmissions and electronic messages to a single forwarding telephone number. The telephone calls, fax transmissions and electronic messages are first forwarded to a central forwarding repository by the forwarding party where the fax transmissions, and messages are converted to audio formats. Forwarded telephone calls and audio formatted versions of the fax transmissions and electronic messages are then forwarded directly to a designated forwarding number. If the forwarding party answers at the forwarding number, she will receive forwarded calls, and the audio formatted versions of fax transmissions and electronic messages will be played to her over her telephone. If the forwarding party does not answer the forwarded call, she subsequently may retrieve saved telephone calls, saved telephone messages and saved audio versions of fax transmissions and electronic messages from the central forwarding repository.
Customer service call processing and support agent access application
Disclosed are a method and apparatus of receiving and processing customer support calls. The calls may be initiated from a mobile/wireless device via a call function or via a mobile device application. An example method of operation may provide receiving a call from a mobile device and identifying the call as a customer service support inquiry. The method may further provide intercepting the call and redirecting the call to an interactive voice response proxy device responsive to identifying the call as a customer service support inquiry, accessing a database responsive to receiving the call and retrieving a data record that was created when the call was initiated. The data record may include a mobile device identifier of the mobile device and a present inquiry identifier of a type of customer support inquiry associated with the call and the method may also include identifying the customer inquiry and a customer profile stored on the data record, and determining a location to route the call based on at least one of the customer inquiry and the customer profile information on the data record.
Dual-mode and dual-standby mobile terminal and dual-channel implementation method thereof
A dual-mode and dual-standby mobile terminal and a dual-channel implementation method thereof, and the dual-mode and dual-standby mobile terminal includes a first mode radio frequency transceiver, a second mode radio frequency transceiver, a first mode baseband chip connected to the first mode radio frequency transceiver, and a second mode baseband chip connected to the second mode radio frequency transceiver, and the mobile terminal further includes: a call processing module, which is connected to both the first mode baseband chip and the second mode baseband chip and used to perform fake call waiting processing on a call in active state in the first mode before proactively switching to a first call in a second mode when determining that there are two calls in the first mode or passively answering a second call in the second mode when determining that there are two calls in the first mode.
Systems and methods for establishing a diagnostic transmission mode and communicating over the same
Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct.
Method and apparatus for reliably providing an alarm notification
Embodiments of the invention generally include an alarm system and method of using an alarm system to reliably provide an alarm to a user at a desired time or at the occurrence of some desired action. In some embodiments, the apparatus and methods include a media output device that can receive information about an alarm event and then automatically provide an alarm prompt at the time when the alarm event is to occur. In one configuration, a media output device is configured to communicate and synchronize with a portable electronic device, so that a reliable and coordinated delivery of an alarm prompt can be obtained by these devices. Some aspects of the invention may include an apparatus, method and/or computing device software application configured to more easily setup and reliably deliver the alarm signal information to the user using one or more media output devices that are used in combination with an input device.
Methods of operating wireless parameter-sensing nodes and remote host
Discretely-mobile parameter-sensing nodes, such as mobile phones, may be connected to a remote host. Each of the nodes is capable of sensing parametric values that are internal, and ambient to the node. The values may relate to atypical movement of a group of users, such as warfighters, that are associated with the nodes. Upon analysis of the atypical movement, the status (e.g., health) of a user associated with a node involved in such movement can be ascertained.
Mode change for near field communication reader
A mobile system includes a Near-Field Communication (NFC) reader, a sensor, a memory arrangement, and a processor. The NFC reader is configured to communicate with an electronic device within a predetermined range. The sensor obtaining data related to a state of the mobile system and external conditions of the mobile system. The memory arrangement storing a mode application configured to determine when a mode of the NFC reader is to be changed as a function of the data. The processor executing the mode application and changing the mode when at least one of the state and the external conditions changes beyond a respective predetermined threshold.
Mobile terminal and control method thereof
The present disclosure relates to a mobile terminal configured to detect a touch input and a control method thereof. A mobile terminal according to an embodiment of the present disclosure may include a display unit formed to detect a touch input and display screen information; and a controller configured to display graphic data corresponding to the track of a touch input sensed at the display unit on the display unit and detect the attribute information of the graphic data, wherein the controller selects at least a partial region of the screen information based on a region displayed with the graphic data, and executes a function matched to the detected attribute information for the selected region.
Mobile terminal and control method thereof
The present disclosure relates to a mobile terminal capable of displaying image data and a control method thereof. A mobile terminal according to an embodiment of the present disclosure may include a camera configured to acquire an image to generate image data containing at least one face image; a microphone configured to receive audio data; and a controller configured to analyze a face image contained in the image data to determine contact information matched to the face image, and analyze the audio data to determine contact information matched to the audio data, and match the audio data to the image data based on the determined contact information.
The mobile telephone disclosed in the present specification has a mobile telephone upper edge unit including a right-ear cartilage conduction unit, a left-ear cartilage conduction unit, and a linking unit linking the right-ear cartilage conduction unit and the left-ear cartilage conduction unit, the units being exposed at the mobile telephone surface; and a cartilage-conduction vibration source for transmitting vibration to the mobile telephone upper edge unit.
Mobile terminal housing
A mobile terminal housing includes a rear plate made of transparent material and a front plate coupled with the rear plate. The mobile terminal housing further includes a plastic member fitting closely to the rear plate and positioned between the rear plate and the front plate and a mirror coating. The rear plate includes an outer surface and an inner surface opposite to each other. The plastic member forms a light transmission hole. The mirror coating is positioned on the outer surface of the rear plate and overlaps the light transmission hole, and a size of the mirror coating is larger than that of the light transmission hole. The mobile terminal housing is able to give visual indications of activity even when resting on its face.
Out-of-order message filtering with aging
The present disclosure is directed to a system and method for performing out-of-order message filtering with aging. The system and method can be used in a destination device that can receive messages out-of-order (i.e., in a different order than they were transmitted) from a source device. The system and method can filter-out or flag for appropriate handling these messages received out-of-order. To perform the above noted message filtering functionality, the system and method uses a database constructed from a content-addressable memory (CAM) and a random-access memory (RAM) to respectively remember source identifiers and sequence identifiers associated with previously received messages. A source identifier identifies the source of a message, and a sequence identifier identifies the transmission order of the message among the messages transmitted from the particular source. Each message can include a source identifier and a corresponding sequence identifier.
Physical layer (PHY) link signaling for cable networks
Embodiments include systems and methods for enabling a physical layer (PHY) link signaling channel between a network termination modem and a cable modem in a cable network. The PHY link signaling channel is embedded within the same multi-carrier channel as the data and enables PHY link up between the network termination modem and cable modern without involvement of higher layers (e.g., MAC). The PHY link signaling channel can be implemented in the downstream (from the network termination modem to the cable modem(s)) or in the upstream from a cable modem to the network termination modem. Embodiments are applicable to any known cable network, and particularly to cable networks implementing the DOCSIS and EPoC standards.
Systems and methods for providing interstitial content
Systems and methods for providing interstitial content are disclosed. A notification of an opportunity for presenting interstitial content on a client device is received at a content server. The content server generates an interstitial configuration object including computer-readable instructions for presenting the interstitial content on the client device and delivers the interstitial configuration object for execution by the client device. The interstitial configuration object causes the client device to render the interstitial content as a hidden element of a first resource while the first resource is presented on the client device and to reveal the rendered interstitial content in response to a user command to navigate away from the first resource.
Method for distributing computing between server and client
A method and system for use in running a display-based computer application comprising a plurality of application segments, where computing is distributed between a server and a client computer. The method comprises the steps of providing a generic client engine (20) to the client computer, the client engine comprising an application manager (24), one or more display managers (22), and one or more load managers (26), providing a collection of individual application subset definition files (18), each relating to one of said application segments, wherein, on receipt of successive application subset definition files from the server, the client recursively transforms to provide the respective application segments. The invention has broad utility in a wide variety of display-based computer applications, particularly in wireless applications.
Method, device, and system for implementing communication after virtual machine migration
The present disclosure provides a method, a device, and a system for implementing communication after virtual machine migration. The method includes: constructing, after migration of a virtual machine, a dynamic host configuration protocol request message carrying address information of the virtual machine after the migration; and sending the dynamic host configuration protocol request message to a switch, so that the switch establishes a binding relationship between the address information of the virtual machine after the migration and a port accessed by the virtual machine.
Battery efficient synchronization of communications using a token bucket
Systems and methods for email synchronization may include a computing device with a token bucket. The token bucket allows for temporary storage of tokens, each token authorizing a synchronization of at least one email application running on the computing device. The device may determine a frequency of received email communications associated with an email account managed by the at least one email application and hosted by an email server. The determining may be based on one or more characteristics associated with the token bucket. The determined frequency may be compared with a threshold value. When the determined frequency is equal to or lower than the threshold value, a push communication channel may be established with the email server, the push communication channel for receiving server-initiated email push communications. The at least one email application may be synchronized with the email account by receiving push communications using the push communication channel.
System and method for enhanced media brokering in VoIP network
Mechanisms are provided to broker and control media resources. In particular, solutions are described which broker and control a media request sent from an application server. The media request is received at a device capable of brokering and controlling the media request such that a media server capable of providing the request may be selected. A screening functionality is also presented such that an optimal media server may be selected based on a comparison between information contained in an incoming media request and information contained in a previously provisioned Service Level Agreement; such information may relate to media service and capacity information. Further, solutions are presented to support providing media services in heterogeneous environments where an application server and a media server may communication using different media control protocols.
User presence data for web-based document collaboration
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, include sending a first electronic document to a first client device over a data network from a web server. The first electronic document includes multiple document elements formatted according to a first document schema for a first client application. The document elements include multiple content elements and one or more presence elements. Presence data is received over the data network at the web server from the first client device. The presence data includes an identification of one or more of the content elements of the first electronic document. The presence data also includes an identification of a status of the first electronic document for the first client device. An updated presence element for the first electronic document, which includes a first presence object, is stored. The first presence object includes the presence data received from the first client device and an identification of the first client device and/or a first user associated with the first client device. The first presence object is sent over the data network from the web server to a second client device.
System and method for dynamic phone book and network content links in a mobile device
Systems and methods are presented for enabling improved communication between one or more communication devices such as mobile wireless devices. The present disclosure provides updatable dynamic, or active, phone book capabilities that provide a user with both contact information as well as dynamic network (web) content that can be updated by communication between a mobile device and a server. The disclosure further provides methods and systems for presence-based message delivery based on a criteria such as presence or identity of a caller or caller's device.
Reroute of a web service in a web based application
The invention relates to systems and method for rerouting web service messages. A method for performing web services includes receiving a web service request from a client, rerouting the web service request to a server, receiving results of the web service request, and sending the results of the web service request to the client. The rerouting can be used with messages/requests formulated in Simple Object Access Protocol (also referred to as Service Oriented Architecture Protocol, or simply SOAP).
Pairing internal network identifier with external network identifier
A network device may receive a request from a local device to establish a connection with a another device. The request may include an internal network identifier of the local device. The network device may evaluate a plurality of external network identifiers, associated with the network device based on selected criteria. The network device may also, or alternatively, evaluate the external network identifiers by identifying an external network identifier that is already mapped to, or paired with, the internal network identifier. The network device may select an external network identifier, of the plurality of external network identifiers, based on the evaluation and establish the connection requested by the local device using the internal network identifier and the external network identifier.
Online signup provisioning techniques for hotspot connections
Embodiments of system and method configurations for providing provisioning information to a mobile device via a wireless network access point are generally described herein. In some examples, a communication session is established between a mobile device and a service provider to obtain provisioning information for wireless network connectivity via a designated access point (e.g., a “hotspot”). A HTTP session is established within the communication session to exchange registration information via a browser of the mobile device. Provisioning information is returned within the communication session in a Subscription Management Object (MO) in response to successful completion of the HTTP session. The subscription MO is provided outside of the browser and the HTTP session (but within the communication session) using mechanisms such as OMA-DM or SOAP-XML communications. The mobile device can then utilize the provisioning information from the subscription MO to associate with an appropriate hotspot.
Remote management for a computing device
Examples are disclosed for remote management of a computing device. In some examples, a secure communication link may be established between a network input/output device for a computing device and a remote management application. Commands may be received from the remote management application and management functions may be implemented at the network input/output device. Implementation of the management functions may enable the remote management application to manage or control at least some operating parameters of the computing device. Other examples are described and claimed.
Distributed cache for state transfer operations
A network arrangement that employs a cache having copies distributed among a plurality of different locations. The cache stores state information for a session with any of the server devices so that it is accessible to at least one other server device. Using this arrangement, when a client device switches from a connection with a first server device to a connection with a second server device, the second server device can retrieve state information from the cache corresponding to the session between the client device and the first server device. The second server device can then use the retrieved state information to accept a session with the client device.
Scalable object storage using multicast transport
Embodiments disclosed herein provide a scalable multicast transport. The multicast transport protocol provides effectively reliable multicast delivery while avoiding the overhead associated with point-to-point protocols. Additional embodiments disclosed herein relate to a scalable object storage system that uses a multicast transport. The object storage system assigns responsibility for providing storage services for a chunk to a negotiating group of storage servers in the cluster using a shared and distributed hash allocation table. The object storage system dynamically determines a rendezvous group of storage servers in the cluster to store the chunk using the multicast transport. Other embodiments, aspects and features are also disclosed.
Card-based processing and updates
Systems and methods providing users with a rich web experience are disclosed. In one embodiment, a client and at least one server are in communication using a dual communication link. In another embodiment, a markup language based instant messaging application is disclosed. The instant messaging application may include group instant messaging. The instant messaging application may also provide group member persistence and message persistence at the server. In another embodiment, a card based web application is disclosed, where the card information and character may be shared with other users or within a group. The cards may also be configurable by users.
Grouping processing method and system
The present disclosure provides a grouping processing method and system, the method comprises: monitoring a number of users accessing a sub-group that is corresponding to a group; and according to the number of users in the sub-group and a preset threshold of the number of users for the sub-group, adjusting the sub-group corresponding the group and/or user access which the sub-group corresponds a physical resource equipment and the physical resource equipment corresponds to more than one of sub-groups.
Randomized peer-to-peer synchronization of shared content items
A content management system synchronizes content items across client computing systems connected by a network. Client devices connected to peer devices on a LAN utilize peer-to-peer synchronization to synchronize content items. Client devices on the LAN broadcast namespaces synchronized on the client devices with other devices on the LAN. Client devices on the LAN connect to a subset of client devices that share a namespace with the connecting client device based on the broadcasts. Upon receiving a notification from the content management system that a new content item has been synchronized with the namespace a client device sends requests for a block comprising a content item to a subset of the connected devices. Additional block requests are sent in the order of randomized blocklist.
Image session ranking
Image session ranking techniques are described. In one or more implementations, indications are received that a plurality of image sharing sessions are available for joining by one or more potential members. The plurality of image sharing sessions are prioritized based on one or more ranking criteria that are usable to determine a relative likelihood that a user wishes to join respective image sharing sessions. A list is formed of suggested image sharing sessions that are arranged, one or another, based on the priority.
Managing capacity on demand in a server cloud
A cloud capacity on demand manager manages capacity on demand for servers in a server cloud. The cloud capacity on demand manager may borrow capacity from one or more servers and lend the capacity borrowed from one server to a different server in the server cloud. When the server cloud is no longer intact, capacity borrowed from servers no longer in the server cloud is disabled, and servers no longer in the server cloud reclaim capacity that was lent to the server cloud.
Systems, methods and computer-readable media for configuring receiver latency
The present disclosure is related to transmitting and receiving media channels, such as audio and video channels. These channels may be transmitted as packets from one or more transmitting devices to one or more receiving devices for playout. Certain embodiments of the present disclosure include systems, methods, and computer-readable media for determining latency of a data network for synchronized playout of received signals. Additionally, certain embodiments of the present disclosure include a systems, methods, and computer-readable media for synchronizing playout among devices connected to a data network.
Dynamically identifying and associating control packets to an application layer
A device may receive a control packet associated with a connection. The control packet may include a network address. The device may identify an application layer identifier that is associated with the network address. The device may identify a service rule associated with the application layer identifier. The service rule may identify a service to be applied to a data packet associated with the connection. The device may provide the control packet based on identifying the service rule. The control packet may be provided to permit the service to be applied to the data packet in accordance with the service rule.
In one or more embodiments described herein, there is provided an apparatus comprising at least one processor; and at least one memory having computer program code stored thereon, the at least one memory and computer program code being configured to, when run on the at least one processor, cause the apparatus to provide an application switcher to a first device, the application switcher providing an indication of content available to the first device from one or more open applications on a second device, wherein at least part of the content of the one or more open applications of the second device is shareable in real time with an application on the first device; and provide, in response to user-selection of content from the application switcher, the user-selected shareable content of the open application of the second device for use on the first device using a first device application.
Synchronization protocol for multi-premises hosting of digital content items
A synchronization protocol for multi-premises hosting of digital content items. In one embodiments, for example, a method, comprising: detecting creation or modification of a content item; determining a content item namespace to which the content item belongs; obtaining an identifier of a block server to which the content item namespace is assigned; and uploading any content item blocks of the content item to the block server that are not already stored at the block server.
Method and apparatus for downloading web page content
A method and apparatus for downloading web page content. The method comprises obtaining a downloading list containing the following content according to target downloading content that a user needs to download: web page link addresses corresponding to the target downloading content and sub-level web page link addresses of the web page link addresses; and when a condition of a downloading mode corresponding to the target downloading content is met, downloading the web page content according to the web page link addresses in the downloading list.
Selecting a network connection for data communications with a networked device
Selecting a network connection for data communications with a networked device, including: identifying a plurality of networks available for data communications with the networked device, each network having network connection attributes; and selecting one of the plurality of networks in dependence upon the network connection attributes and the direction of data transfer.
Measuring user quality of experience for a streaming media service
Techniques are disclosed for representing a user quality of experience (QoE) experienced by users of a streaming media service using a single QoE metric. The single QoE metric may be determined based on a set of empirical characteristics relating to the streaming video service such as startup latency, video quality, and the likelihood of interruptions in streaming playback. The empirical characteristics may be weighted according to how much one factor influences user quality of experience, relative to the others. Representing the QoE as a single metric may allow a streaming media service provider to improve key business measures such as subscriber retention and engagement.
Dynamic transcoder placement
The invention provides for a dynamic transcoder placement in case that transcoding functionality for codecs is offered in a TRAU associated to a Base Station Controller and/or a MGW selected for a call.
System and method for creating and managing geofeeds
The disclosure relates to systems and methods of burning, snapshotting, streaming and curating geofeeds, each geofeed including a plurality of geofeed content items that are aggregated from a plurality of content providers using respective requests formatted specifically for individual ones of the plurality of content providers, where each individual set of a plurality of content is relevant to one or more geographically definable locations. Archives of a geofeed may be generated by burning portions or all of the geofeed content items and/or generating snapshots of geofeeds at different times. A real-time geofeed may be streamed by continuously or periodically obtaining newly available geofeed content items and updated a geofeed stream in real-time. Collections of geofeed content items may be curated in order to organize and follow geofeed content items of interest.
Multi-speed serial interface for media access control and physical layer devices
A data translator for a network device including a serializer/deserializer operating at a fixed data rate. The data translator includes a data appender to receive, at a data rate that is less than the fixed data rate, a first data stream to be transmitted from a media access control device to a physical layer device, and append a predetermined number of bits to data in the first data stream to be transmitted from the media access control device to the physical layer device. The data translator further includes a data duplicator to, subsequent to appending the predetermined number of bits to the data in the first data stream, duplicate the data having the appended predetermined number of bits to generate a second data stream at the fixed data rate.
Recommender system for content delivery networks
A device includes a processor. The processor is configured to determine a hit time for each of a plurality of content items based on at least one of users' history of access to the content items on content distribution clusters in a content distribution network, the users' past ratings of the content items, and social network information associated with the users. The hit time of a content item indicates a number of times that the content item is likely to be accessed by the users. The processor is further configured to compute caching priorities of the content items based on a caching policy of the device and the determined hit times, and initiate a redistribution, over a network, of the plurality of content items over the content distribution clusters of the content distribution network based on the caching priorities.
System for providing continuity of broadcast between clients and method therefor
A communication system (10) comprises a plurality of clients (12) including a first client (18) and a second client (20). Within the communication system (10), continuity of one or more of a plurality of broadcast events (14) is provided between the plurality of clients (12). The first client (18) monitors a broadcast event (34). Thereafter, the second client (20) launches monitoring of the broadcast event (34) in response to an occurrence associated with the broadcast event (34).
Method, apparatus, and computer program product for media control for multiple devices
In an example embodiment, a method includes receiving, by an apparatus, one or more wireless discovery messages over a first wireless communication protocol; determining whether a source device of the one or more wireless discovery messages is a media playback device having required characteristics, based on information obtained from the received wireless discovery messages; transmitting a device information message that includes at least information usable for the source device to access the apparatus using a second wireless communication protocol, in response to determining that the source device is a media playback device having the required characteristics; establishing a wireless connection with the source device over the second wireless communication protocol in response to receiving a connection request from the source device over the second wireless communication protocol; and providing information regarding media content for playback to the source device over the wireless connection via the second wireless communication protocol.
Method and apparatus for interconnecting a user agent to a cluster of servers
An apparatus (CEG) for interconnecting a user agent to a cluster of servers, the apparatus comprising a first protocol agent configured to exchange first messages with said user agent according to a SIP protocol, wherein said apparatus has the role of a User Agent Server; a second protocol agent configured to exchange second messages with a selected server from among said cluster of servers according to the SIP protocol, wherein said apparatus has the role of a User Agent Client; interconnection means for relaying messages from among said first messages and said second messages between said first protocol agent and said second protocol agent; wherein said second protocol agent is further configured to terminate elasticity control messages received from said cluster of servers.
Distributed network instrumentation system
A distributed network instrumentation system (100) includes a security management station (110) including a global network policy decomposer (112) configured to decompose global network security policies to local security policies for distributed policy enforcement, and a network interface (220) communicatively coupled to a compute platform (200). The network interface (220) is configured to off-load processing of the local security policies and end-to-end encryption from an operating system (210) of the compute platform (200) for facilitating network instrumentation.
Combining network endpoint policy results
An endpoint integrity system controls access to resources of a protected network for endpoint devices attempting to access the protected network. The system may include a number of evaluation modules that communicate with an endpoint device. The evaluation modules generate policy results for the endpoint device, in which each of the policy results assume one of three or more states, called a multi-state policy result. The multi-state policy results are combined to produce a combined Boolean policy result.
Method, system and apparatus for improving security level of a terminal when surfing internet
A method, system, and apparatus for improving security level of a terminal when it surfs the Internet. The method includes receiving, by a network side, network security information reported by a terminal, generating a network security policy according to the network security information reported by each terminal, and transmitting a security indication to the network security policy to the terminal; providing, by the terminal, a security prompt for network information to be obtained or having been obtained according to the security indication. Various embodiments can improve the security level of the terminal when it surfs the Internet and save resources of the terminal.
Transmitting aggregated information arising from appnet information
A device, method, computer program product, and network subsystem are described for signaling a first application relating with a first core and with a second core, and for aggregating information in response to data received after signaling the first application relating with the first core and with the second core, transmitting at least a portion of the information aggregated in response to the data received after signaling the first application relating with the first core and with the second core, or signaling via a third core a partial service configuration change at least in the first core in response to data received after signaling the first application relating with the first core and with the second core.
Signature rule processing method, server, and intrusion prevention system
A signature rule processing method, a server, and an intrusion prevention system is provided. The method includes: performing, by a cloud server, correlation analysis on signature rule usage status information of each security device connected to the cloud server and a latest signature rule set published by the cloud server, to obtain a most active threat signature rule identification list, and sending, by the cloud server, update information to each security device to update a signature rule after generating the update information according to the most active threat signature rule identification list. The present invention is applicable to the field of network security systems.
Methods and systems for automated network scanning in dynamic virtualized environments
Systems and methods for managing jobs to be scanned based on existence of processing nodes are described. One of the methods includes obtaining identification information regarding operation of a first set of the processing nodes from an inventory and creating a job for scanning the processing nodes of the first set for security vulnerability. The job includes the identification information. The method further includes verifying the inventory to determine the first identifying information of the first set of processing nodes for removal from the job and loading the job having second identifying information for a second set of processing nodes that remain after the verifying operation.
Automatic detection of fraudulent ratings/comments related to an application store
The present disclosure describes one or more systems, methods, routines and/or techniques for automatic detection of fraudulent ratings and/or comments related to an application store. The present disclosure describes various ways to differentiate fraudulent submissions (e.g., ratings, comments, reviews, etc.) from legitimate submissions, e.g., submissions by real users of an application. These various ways may be used to generate intermediate signals that may indicate that a submission is fraudulent. One or more intermediate signals may be automatically combined or aggregated to generate a detection conclusion for a submission. Once a fraudulent submission is detected, the present disclosure describes various ways to proceed (e.g., either automatically or manually), for example, the fraudulent submission may be ignored, or a person or account associated with the fraudulent submission may be penalized. The various descriptions provided herein should be read broadly to encompass various other services that accept user ratings and/or comments.
Method and system for controlling access to wireless apparatuses
A system for securely controlling access between two wireless (i.e. Bluetooth-enabled) apparatuses, also comprising a supervisor apparatus. The first apparatus is paired to the second by establishing a secure wireless (i.e. Bluetooth) link. The first apparatus includes a stored partial link key and a link key generator: The first apparatus receives a first secret key from the apparatus user, and may also receive a second secret key from the supervisor apparatus. The link key generator generates either a first link key based upon a stored first partial link key, the first secret key and the second secret key or a second link key based upon the stored first partial link key and the first secret key. An access control module in the second apparatus determines the level of access that the first apparatus is granted based upon the link key used to establish the secure connection—full/restricted access.
Apparatus, method and system to control accessibility of platform resources based on an integrity level
Techniques and mechanism to selectively provide resource access to a functional domain of a platform. In an embodiment, the platform includes both a report domain to monitor the functional domain and a policy domain to identify, based on such monitoring, a transition of the functional domain from a first integrity level to a second integrity level. In response to a change in integrity level, the policy domain may configure the enforcement domain to enforce against the functional domain one or more resource accessibility rules corresponding to the second integrity level. In another embodiment, the policy domain automatically initiates operations in aid of transitioning the platform from the second integrity level to a higher integrity level.
Accessing multiple client domains using a single application
Methods, computer systems, and computer-readable storage media for using a single application on a mobile device to access a plurality of client domain sites are provided. The single application on the mobile device receives from a user of the mobile device a set of authorization credentials. Based on the set of authorization credentials, the single application receives a first client domain uniform resource locator from a third-party directory service. The first client domain uniform resource locator is used to access a client gateway service; the client gateway service provides a secure access point to a number of different service solutions hosted by a client. Upon the user inputting a set of authentication credentials, the user is able to access information from one or more of the different service solutions.
Efficient indexing and searching of access control listed documents
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for storing a plurality of documents in computer-readable memory, each document of the plurality of documents having a corresponding access control list (ACL), each ACL defining a plurality of users that are authorized to access a respective document, generating an index based on the plurality of users, the index comprising a plurality of partitions, each partition corresponding to a user of the plurality of users, and, for each document of the plurality of documents: ranking the users of the plurality of users, selecting a user as an indexing user based on the ranking, and storing the document in a partition of the index, the partition corresponding to the indexing user.
At least one mechanism to permit, at least in part, allocation and/or configuration, at least in part, of at least one network-associated object
In an embodiment, at least one interface mechanism may be provided. The mechanism may permit, at least in part, at least one process allocate, at least in part, and/or configure, at least in part, at least one network-associated object. Such allocation and/or configuration, at least in part, may be in accordance with at least one parameter set that may correspond, at least in part, to at least one query issued by the at least one process via the mechanism. Many modifications are possible without departing from this embodiment.
Method and apparatus for controlling access between home device and external server in home network system
A method for controlling access between home devices and servers in a home network system is provided. The method includes determining whether first access of the home devices to each of the servers and second access of the servers to each of the home devices is restricted, and controlling the first access and second access based on respective access rights established according to the determination.
Authenticating cloud computing enabling secure services
Authenticating cloud computing enabling secure services (ACCESS) offloads “client authentication” activity onto a third-party authenticating cloud computing enabling secure services (ACCESS) node. Instead of having a client device authenticate itself directly to a network server, the client device instead authenticates itself to a third-party authenticating cloud computing enabling secure services (ACCESS) node. The authenticating cloud computing enabling secure services (ACCESS) node then provides credentials that are used by the client device to communicate directly with the server (and utilize the service) without any further authentication being necessary.
Providing limited access to a service device via an intermediary
Systems and methods may provide for brokering limited access to a service device via an intermediary. In one example, the method may include receiving a request communication at a control device including a request for limited access to a service device, wherein the request is received from an intermediary device on behalf of a request device, and transmitting an access communication to the intermediary device, wherein the access communication includes an access ticket to be used by the request device to gain the limited access of the service device.
One time password authentication of websites
A method includes generating first and second One Time Password (OTP) token values from a shared clock, receiving a version of the second OTP token value, and comparing the second OTP token value and the version of the second OTP token value. A system includes a generator residing on an authentication server to generate first and second One Time Password (OTP) token values from a shared clock, a transmitter residing on the authentication server to transmit the first OTP token value, a receiver residing on the authentication server to receive a version of the second OTP token value, and a comparator to compare the second OTP token value and the version of the second OTP token value to authenticate a site and a user.
Document management system user interfaces
Systems, methods, and software to provide document management system user interfaces to clients. Some embodiments include an intermediary server to provide document management system indexing data to a client in a form that is displayable within an existing client file browsing user interface, such as Windows Explorer.
Methods and systems for multiple channel authentication
Methods and systems for multiple channel authentication are described. In one embodiment, a request for a combined voice and data call is initiated from within a mobile application. The request may include authentication information and contextual information relating to a current exchange between the mobile application and an organization. The user may be authenticated with the authentication information and the combined voice and data call may be routed to a representative based on the contextual information to continue the exchange.
Methods and systems for single sign-on while protecting user privacy
A method of enabling applications to reference user information is provided, including receiving a request for a user identifier that references a user of the application and sending a second request for the user identifier to a server. The second request may include a second user identifier that references the user and a second authentication token for the second user identifier. Furthermore, the second user identifier and the second authentication token are not accessible by the user. The method includes receiving the user identifier and an authentication token for the first user identifier. The user identifier corresponds to the second identifier; and providing the user identifier and authentication token to the application. A method of enabling an application to identify users associated with a user of the application is provided; the method may include receiving, from the server, user identifiers that reference one or more users scoped to the application.
Process and system for selectable data transmission
Method and/or system for use in selectable data transmission. An electronic key may be generated (e.g., by a central module) and stored as assigned to authentication data. Electronic data may then be encrypted (e.g., by the central module) into encrypted data using at least part of the electronic key. A signaling message may be transmitted (e.g., by the central module) to a first communications terminal, and the encrypted data may then be transmitted (e.g., by the central module) to a second communications terminal that is selected by the first communications terminal. At least part of the electronic key may then be transmitted (e.g., by the central module) to the second communications terminal. The encrypted data may be decrypted by the second communications terminal using the at least part of the electronic key.
Network security method and network security servo system
A network security method and a network security servo system are provided. The method includes: decrypting a plurality of encrypted data points from an Internet of Things (IoT) device; aggregating the data points into a plurality of aggregated data points, wherein the plurality of aggregated data points form a plurality of data sets; retrieving a plurality of first centroid data points corresponding to the data sets, wherein the first centroid data points form a first core data set; retrieving a plurality of second centroid data points corresponding to the first core data set and a second core data set, wherein the second core data set corresponds to other IoT devices; determining whether the IoT device is in an anomaly state based on the second centroid data points; and isolating the IoT device to a specific virtual network when the IoT device is in the anomaly state.
Apparatus for rendering content
An apparatus to render content according to pre-established permissions associated with the content is provided. The apparatus includes: i) electronic processing circuitry; ii) executable instructions for execution by the processing circuitry, and iii) an output to render content. The executable instructions include instructions to control rendering of content according to pre-established permissions associated with the content. At a minimum, the rendering provides at least a preview of the content. The instructions further include instructions to facilitate communication with an external processor to obtain at least one of: i) content; and ii) supplemental permissions. The supplemental permissions extend permissible rendering of the content beyond the pre-established permissions.
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.
Gathering context information for a communication
A computer receives a first information related to a communication sent to a user device of a second person. The computer determines a user device of a first person using the first information. The computer sends a context information request to the user device of the first person. The computer receives a context information reply responsive to the context information request. The computer sends context information of the context information reply to the user device of the second person. The computer releases the communication to the user device of the second person.
System and method for generating virtual space messages based on information in a users contact list
A system and method for generating virtual space messages based on information indicated by a contact list associated with a virtual space user are disclosed. The contact list may be obtained for the virtual space user and contact entries may be extracted from the obtained contact list. Individual contact entries may be correlated with users in the virtual space. In some examples, relationships between the virtual space and his/her contacts may be determined based on the information indicated by the contact entries. Virtual space messages, such as, but not limited to, to facilitate social interactions, mentorship, friendship and/or any other relationships between the virtual space user and his/her contacts within the virtual space may be generated and communicated to the client computing platforms associated with the contacts.
Gathering context information for a communication
A computer receives a first information related to a communication sent to a user device of a second person. The computer determines a user device of a first person using the first information. The computer sends a context information request to the user device of the first person. The computer receives a context information reply responsive to the context information request. The computer sends context information of the context information reply to the user device of the second person. The computer releases the communication to the user device of the second person.
Computer system and network interface with hardware based packet filtering and classification
A data processing system adapted for high-speed network communications, a method for managing a network interface and a network interface for such system, are provided, in to which processing of packets received over the network is achieved by embedded logic at the network interface level. Incoming packets on the network interface are parsed and classified as they are stored in a buffer memory. Functional logic coupled to the buffer memory on the network interface is enabled to access any data field within a packet in a single cycle, using pointers and packet classification information produced by the parsing and classifying step. Results of operations on the data fields in the packets are available before the packets are transferred out of the buffer memory. A data processing system, a method for management of a network interface and a network interface are also provided by the present invention that include an embedded firewall at the network interface level of the system, which protects against inside and outside attacks on the security of data processing system. Furthermore, a data processing system, a method for management of a network interface and a network interface are a provided by the present invention that support class of service management for packets incoming from the network, by applying priority rules at the network interface level of the system.
Method of providing an MMoIP communication service
The invention concerns a method of providing an MMoIP communication service, and a MMoIP system to execute the said method. One or more MMoIP packet streams (T1(x)) are transmitted via a connection (C(T1,T2)) established between a first and second endpoint (T1, T2) of an IP communication network (100). The one or more MMoIP packet streams (T1(x)) comprise MMoIP payload data and/or control data. Control data directed to a processor (P) is inserted in at least one MMoIP packet stream (T1(x)) of the one or more MMoIP packet streams (T1(x)) at the first endpoint (T1) and the second endpoint (T2). The one or more MMoIP packet streams (T1(x)) are transmitted via an MMoIP switch (S) of the IP communication network (100). The MMoIP switch (S) monitors the one or more MMoIP packet streams (T1(x)). The MMoIP switch (S) detects the control data directed to the processor (P). The MMoIP switch (S) forwards the detected control data to the processor (P).
Method for controlling large distributed fabric-based switch using virtual switches and virtual controllers
In one embodiment, a method includes splitting a plurality of physical ports distributed across multiple distributed line cards (DLCs) into a plurality of virtual switches, wherein each virtual switch comprises ports of one or more DLC, creating a virtual control domain (VCD) associated with each virtual switch, and autonomously controlling the virtual switches, wherein each DLC is in electrical communication with at least one switch fabric coupler (SFC), and wherein the plurality of physical ports appear to external devices as being part of a single cell switched domain. Other systems and methods are described according to more embodiments.
Parallel data switch
An interconnect apparatus enables improved signal integrity, even at high clock rates, increased bandwidth, and lower latency. An interconnect apparatus can comprise a plurality of logic units and a plurality of buses coupling the plurality of logic units in a selected configuration of logic units arranged in triplets comprising logic units LA, LC, and LD. The logic units LA and LC are positioned to send data to the logic unit LD. The logic unit LC has priority over the logic unit LA to send data to the logic unit LD. For a packet PKT divided into subpackets, a subpacket of the packet PKT at the logic unit LA, and the packet specifying a target either: (A) the logic unit LC sends a subpacket of the packet PKT to the logic unit LD and the logic unit LA does not send a subpacket of the packet PKT to the logic unit LD; (B) the logic unit LC does not send a subpacket of data to the logic unit LD and the logic unit LA sends a subpacket of the packet PKT to the logic unit LD; or (C) the logic unit LC does not send a subpacket of data to the logic unit LD and the logic unit LA does not send a subpacket of the packet PKT to the logic unit LD.
Resolving communication collisions in a heterogeneous network
Resolving heterogeneous communication collisions in a system includes measuring a quality-of service value for at least one communication connection, determining if a communication collision is reducing the quality-of-service value to below a pre-determined threshold, and, if a communication collision is reducing the quality-of-service value to below a pre-determined threshold, iteratively modifying the at least one communication connection until either a maximum number of iterations has been exceeded or the quality of service value exceeds the pre-determined threshold. Modifying the at least one communication connection includes a number of possible techniques, such as changing technology used by at least one interface corresponding to the communication connection, changing a frequency band used by at least one interface corresponding to the communication connection, changing transmission parameters used by at least one interface corresponding to the communication connection, and using transmission gaps to transmit data.
Hitless service in a variable rate optical transponder
Methods and systems for variable rate control include determining a new communications rate in response to measured data traffic patterns. A receive change message is transmitted to a receiver that triggers the receiver to wait for an end of transmission (EoT) message and to set a new communications rate. A transmit change message is transmitted to a transmitter that triggers the transmitter to send the EoT message to the receiver, to set the new communications rate, and to send a start of transmission (SoT) message to the receiver before resuming data communications.
System and method for transporting information to services in a network environment
An example method is provided in one example embodiment and may include receiving a packet for a subscriber at a gateway, wherein the gateway includes a local policy anchor for interfacing with one or more policy servers and one or more classifiers for interfacing with one or more service chains, each service chain including one or more services accessible by the gateway; determining a service chain to receive the subscriber's packet; appending the subscriber's packet with a header, wherein the header includes, at least in part, identification information for the subscriber and an Internet Protocol (IP) address for the local policy anchor; and injecting the packet including the header into the service chain determined for the subscriber.
Data rate adaptation based on time-based events
In one embodiment, a plurality of time-based events is determined in a computer network. Messages are transmitted in the computer network in accordance with the plurality of time-based events. A transmission data rate of the transmitted messages is determined. Then, the transmission data rate is adjusted according to the plurality of time-based events.
Methods and apparatus for load balancing VLAN traffic
In some embodiments, an apparatus includes a first core device configured to be disposed within a network. The network has a set of access nodes and a second core device. The first core device is configured to receive a signal designating the first core device as a master device for a virtual group identifier such that the second core device is designated as a back-up device for that virtual group identifier.
In-line packet processing
A method and apparatus for in-line processing a data packet while routing the packet through a router in a system transmitting data packets between a source and a destination over a network including the router. The method includes receiving the data packet and pre-processing layer header data for the data packet as the data packet is received and prior to transferring any portion of the data packet to packet memory. The data packet is thereafter stored in the packet memory. A routing through the router is determined including a next hop index describing the next connection in the network. The data packet is retrieved from the packet memory and a new layer header for the data packet is constructed from the next hop index while the data packet is being retrieved from memory. The new layer header is coupled to the data packet prior to transfer from the router.
Distributed protection switching architecture for point-to-point microwave radio systems
A system and method for protecting a received data stream. Active receivers and standby receivers are provided, each adaptable to receive a data stream on a traffic channel. Plural data processing units are operatively in communication with the receivers. At least one of the plural DPUs provides a switching signal to the receivers to switch the state of the active receiver to standby and the state of the standby receiver to active as a function of a quality measurement of the received data stream via the traffic channel.
System and method for broadcasting data to multiple hardware forwarding engines
A method and apparatus of a device that broadcasts data to multiple hardware forwarding engines is described. In an exemplary embodiment, a central processing unit of the device receives the data to broadcast to the plurality of hardware forwarding engines. The device further writes the data to a broadcast log. In addition, the device transmits a signal to one or more co-processors that the data is available to be read, wherein each of the plurality of hardware forwarding corresponds to one of the one or more co-processors. Each of these co-processors reads the data in the broadcast log by receiving the signal that the data is ready to be read from the broadcast log. In addition, each co-processor determines a broadcast log entry for the data for that co-processor. Each co-processor further reads the data from the broadcast log entry via a direct memory access in memory that stores the broadcast log and the plurality of hardware forwarding engines use the data to process network traffic.
An architecture, such as but not necessarily limited to an architecture sufficient to facilitate service discovery within a network having two or more local area networks (LANs), is contemplated. The architecture may be employed in a router, gateway or other device configured to facilitate signaling between multiple routed networks, such as to facilitate service discovery across multiple routed networks.
Self-organising method for establishing deterministic routes in a large computer network
The invention relates to a method for establishing deterministic communication routes in a large computer network, wherein all affected end systems and switches of the computer network have a global time and a deterministic communication route is generated on the basis of an existing communication route between two or more end systems of the computer network in that a time-triggered connection manager (TTCM) of an end system reserves the deterministic communication route in a reservation phase by sending a reservation message to each network switch of the existing communication route up to the reservation commitment time (KZPT), and then confirms this deterministic communication route in an accept phase by sending an accept message to the network switches of the existing communication route before the KZPT.
System and method for analyzing computing performance
In one embodiment, a method includes selecting an overall set of end-user transactions. The method further includes selecting an outcome. In addition, the method includes identifying an outcome-filtered subset of the overall set, the outcome-filtered subset comprising end-user transactions of the overall set associated with the selected outcome. The method also includes, for each transaction property of a plurality of transaction properties, measuring a difference between the transaction property's prevalence in the outcome-filtered subset and the transaction property's prevalence in the overall set. The measuring yields a property-prevalence differential for each transaction property. Moreover, the method includes, based, at least in part, on the property-prevalence differentials, determining one or more of the plurality of transaction properties to be correlation factors for the selected outcome.
Transaction based network application signatures for text based protocols
A method for profiling network traffic of a network. The method includes extracting cells from bi-directional payloads generated by a network application, wherein each cell comprises at least one direction reversal in a corresponding bi-directional flow, generating a cell group comprising a portion of the cells that are similar, analyzing the cell group to generate a signature of the network application, and classifying, based on the signature of the network application, a new bi-directional flow as being generated by the network application.
Configuring network devices
Systems and methods for configuring network devices are provided. Aspects of the disclosure relate to configuration parameters and methods for using configuration parameters to provide enhanced services to users in a network. A first computing device may receive a request for temporary alteration of a communication parameter associated with a communication protocol of a network device. The first computing device may communicate with a second computing device to request and retrieve the updated communication parameter. The first computing device may provide the updated communication parameter to the network device. The updated communication parameter may cause alteration of a communication parameter associated with the communication protocol while leaving unchanged a second communication protocol of the network device.
XML based generic UNIX discovery framework
Relay configuration systems and methods
Disclosed herein are a variety of systems and methods that may be utilized to facilitate the configuration of intelligent electronic devices (IED) and other devices. In one embodiment, a configurable IED may be able to perform a plurality of features. The plurality of features may be enabled by a plurality of functional modules configured to implement the plurality of features. A feature-selecting subsystem configured to receive a first feature-selecting filter and to apply the first feature-selecting filter to selectively enable a subset of a plurality of features based on the feature-selecting filter. The subset of the plurality of features may be associated with a plurality of feature configuration settings. A feature configuration subsystem configured to receive at least one configuration filter and to set at least a subset of the plurality of feature configuration settings.
Automatic initiation of a response action when an event associated with an item in transit is based on logistical node scan data
A method includes processing an event data associated with an item in transit between a source location and a destination location based on a scan data of a logistical node between the source location and the destination location. The server determines if the event data associated with the item in transit between the source location and the destination location based on the scan data of the logistical node between the source location and the destination location is associated with a response action defined in a matching table by the multimodal communication server using a processor and a memory. The server automatically initiates the response action when the event data associated with the item in transit between the source location and the destination location based on the scan data of the logistical node between the source location and the destination location is defined in the matching table on the multimodal communication server.
Flexible delegation of management function for self-managing resources
Included are method, article of manufacture, and device that serve to identify the status of a network resource along with whether the network resource is a self-managing resource. When autonomic management capabilities are identified, an autonomic management rule for management of the network resource may be generated and sent, over a network, for receipt and use by the identified self-managing resource.
Scheme for device discovery and P2P group formation
A method in which a first device forms a peer to peer (P2P) group with a second device is provided. The method includes sending an invitation request to the second device; and performing a negotiation process to form the P2P group with the second device if an invitation response to the invitation request is received from the second device. The invitation response includes device information identifying the second device. The negotiation process is performed using the device information.
Method for transmitting at least one multi-carrier signal consisting of OFDM-OQAM symbols
Disclosed is a transmission method of transmitting at least one multicarrier signal made up of OFDM-OQAM symbols to a receive antenna of a receiver device, the transmission method being for use by a transmitter device having at least one transmit antenna. In one embodiment, the method comprises, for each transmit antenna of the transmitter device, filtering OFDM-OQAM symbols associated with the transmit antenna using a time-reversal prefilter defined from an estimate of the transmission channel between the transmit antenna and the receive antenna and transmitting the filtered OFDM-OQAM symbols via the transmit antenna over the transmission channel.
System and method for determining intermodulation distortion in a radio frequency channel
The present disclosure describes systems and methods for identifying a signal that is a product of two or more other signals. In an embodiment, the presence of intermodulation distortion in a communication system is determined by comparing a cyclic autocorrelation function (“CAF”) of a complex envelop of signal content in a frequency bin, comparing the determined CAF with the CAF for a known signal type, and comparing a frequency of the signal content with the frequency of an RF channel in the communication system.
Narrowband OFDM (NOFDM) transceiver for powerline communications (PLC)
The present invention provides a narrowband OFDM (NOFDM) system with frequency diversity redundant transmission and receiver diversity selection and combining scheme. The communication channel is segmented into independent plurality of sub-channels. The sub-channels can be used in an aggregated mode to transmit different data on every sub-channel or in a number of redundant modes, where the same data is sent on multiple sub-channels to achieve maximum robustness of communication. Redundant modes may include channel selection diversity and/or weighted channel combining diversity.
Method for sending downlink data, method for receiving downlink data, base station, and user terminal
Embodiments of the present invention provide a method for sending downlink data, a method for receiving downlink data, a base station, and a user terminal. The sending method includes modulating first downlink data into a first downlink signal by using a DFT-S-OFDM modulation mode; modulating second downlink data into a second downlink signal by using an OFDM modulation mode; and forming a downlink transmit signal from the first downlink signal and the second downlink signal in a multiplexing manner, and sending the downlink transmit signal to a user terminal. The base station includes a first generation module, a second generation module, and a first sending module. In the technical solutions of the present invention, downlink data is sent by using two modulation modes, DFT-S-OFDM and OFDM, thereby meeting requirements of different downlink data on EVM indexes.
OFDM-CDMA equipment and method
An OFDM signal transmission apparatus is provided, which includes a mapping unit configured to map first signals into N subcarriers and second signals into M subcarrier(s) to form an OFDM signal, wherein N is larger than M. The first signals are each indicating a same bit of retransmission information and the second signals are each indicating a same bit of information other than retransmission information. The OFDM signal transmission apparatus further includes a transmitting unit configured to transmit the formed OFDM signal.
Methods, systems, and media for determining whether a signal of interest is present
Methods, systems, and media for determining whether a signal of interest is present are provided, in some embodiments, a system for determining whether a signal of interest is present is provided, the system comprising: at least one hardware processor that is configured to: receive at least one bit value containing information about whether the signal of interest is present from at least one transmitter, wherein the at least one bit value is transmitted from the at least one transmitter at a set of random time instances, and wherein the at least, one bit value is calculated without performing quantization; calculate a combined log-likelihood ratio based at least in part on the at least one bit value; and determine whether the signal of interest is present based at least in part on the combined log-likelihood ratio.
Communication device and path establishing method
A communication device configured to establish a path for data transmission including a setting circuit configured to receive a request for setting a path, and in the case that the path includes a section where power supply has been turned off so as to suppress data transmission, to set a detour path for bypassing the section using detour routing information corresponding to the section; and a power supply driving circuit configured to turn on power supply as to the section; wherein the setting circuit switches, in the case that data transmission using the section is enabled according to turning on of the power supply, the detour path to a path including the section.
Managing graphics load balancing strategies
A method and system for managing graphics load balancing strategies are disclosed. The method comprises using a plurality of rendering servers to render a multitude of graphics frames for a display device, wherein each of the rendering servers has an associated workload; identifying a plurality of load balancing strategies for balancing the workloads on the rendering servers; selecting one of the load balancing strategies; and using the selected one of the load balancing strategies to balance the workloads on the rendering servers. One or more defined metrics are monitored; and in response to a defined changed in said one or more defined metrics, another one of the load balancing strategies is selected and used to balance the workloads on the rendering servers. In one embodiment, the load balancing policy can be changed in real-time during the course of an application session.
VPLS N-PE redundancy with STP isolation
In one embodiment, a system includes a first network, a second network, and a core network connecting the first network to the second network. The first network includes a first set of two or more network devices, wherein the first network has a first spanning tree associated therewith. Similarly, the second network includes a second set of two or more network devices, wherein the second network has a second spanning tree associated therewith, wherein the second spanning tree is separate from the first spanning tree.
Selective reestablishment of cable modem internet protocol connectivity
Techniques are generally directed to selective reestablishment of Internet Protocol (IP) connectivity between a cable modem and a cable modem termination system (CMTS). IP connectivity between the cable modem and the CMTS is initially established through execution of a plurality of connectivity steps. After IP connectivity is lost, the cable modem determines which of the plurality of connectivity steps are desired for use in reestablishing IP connectivity, and sends a message to the CMTS indicating the desired IP connectivity step. The CMTS determines if the desired connectivity steps identified in the message may be used to reestablish IP connectivity, and sends a response message to the cable modem indicating if the desired connectivity steps may be used. IP connectivity is then reestablished using at least the desired connectivity steps.
Multicast messaging within a wireless communication system
Methods and systems for sending multicast messages are disclosed. A multicast message is received to be transmitted to a plurality of access terminals at a radio access network (RAN), the received multicast message having a first format. The first format may correspond to a conventional multicast message format. The RAN determines whether the received multicast message requires special handling. If the RAN determines the received multicast message requires special handling, the radio access network converts the received multicast message from the first format into a second format. The RAN transmits the converted multicast message with the second format (e.g., a data over signaling (DOS) message) on a control channel to at least one of the plurality of access terminals. The access terminals receiving the converted multicast message interpret the message as a multicast message.
Technique to submit multicast membership state in absence of querier
A method of submitting multicast membership packets by a host in a multicast domain in absence of a querier to trigger those packets is provided. The host includes a silent state and an active state. In the silent state, the host receives membership query packets from a querier and responds by sending multicast report packets to multicast group addresses that the host is joined. When a membership query packet is not received during a configurable period of time, the host changes from the silent state to active state and starts sending unsolicited multicast report packets to the multicast addresses that the host has joined.
Fixed mobile convergence for audio and web conference sessions using barcodes
Method to transfer a communication session to a mobile device, including: receiving by use of a first communication channel an information message comprising an identification of the communication session and an identification of a communication client hosting the communication session; sending by use of a second communication channel a join request; joining the communication session; and sending by use of the second communication channel a confirmation message confirming the transfer of the communication session. Furthermore, a method to transfer a communication session from a mobile device to a nonparticipating computer, including: receiving by use of a first communication channel an information message comprising an identification of the nonparticipating conference-enabled computer; sending by use of a second communication channel a request to push the communication session to the nonparticipating computer; receiving a confirmation; and optionally closing the communication session on the mobile device.
Charging method and apparatus for proximity-based service
A charging method for Proximity-based Service (ProSe) used in a first user equipment (UE) of a wireless communication system is disclosed. The charging method includes: establishing a ProSe service with a second UE; generating charging information for the ProSe service according to collected transmission information, wherein the ProSe service is between the first UE and a second UE in proximity and comprises ProSe discovery, ProSe communication or both, and wherein the transmission information comprises at least one of: radio resources dedicated for the ProSe service, allocated to the first UE by the a base station of the wireless communication system; at least one traffic volume report corresponding to uplink or downlink data volume, transmitted to the base station; and a time-elapsed duration for the ProSe service; and transmitting the charging information for the ProSe service to the base station or a core network entity of the wireless communication system.
Methods and apparatus for use in obtaining a digital certificate for a mobile communication device
In one illustrative scenario, a mobile device receives configuration information which includes information for use in constructing a request message for obtaining a digital certificate from a certificate authority (CA). After receipt of the configuration information, the mobile device constructs the request message for the digital certificate and causes it to be sent to a host server of a communication network. In response, the host server requests and obtains the digital certificate from the CA on behalf of the mobile device, and thereafter “pushes” the received digital certificate to the mobile device. The mobile device receives the digital certificate and stores it for use in subsequent communications. The host server may be part of a local area network (LAN) which includes a wireless LAN (WLAN) adapted to authenticate the mobile device based on the digital certificate, so that the mobile device may obtain access to the WLAN.
Method and system for certificate discovery and ranking certificate authorities
Certificate detectors scan a network for certificate resource information and send the information to a certificate database. A correlation engine extracts and correlates this information. A ranker uses the information about the certificates and certificate authorities to generate and provide a security score and/or ranking. A requester may view the certificate ranking and/or and certificate authority ranking after passing a domain validation authorization. An Internet browser may obtain a security score and/or ranking for a certificate authority and, based on this information, may determine to trust or not trust some or all certificates issued by that certificate authority, or to require corroborating evidence before trusting a certificate.
Method and apparatus for deriving a certificate for a primary device
In a method, a secured link is established between a primary device and a secondary device, both of which are assigned to a user. The secondary device receives, on the secured link, a request for a derived certificate for the primary device and a public key generated by the primary device. The secondary device generates the derived certificate for the primary device based on an original certificate issued to the secondary device and transmits, on the secured link, the derived certificate to the primary device.
Encrypted mass-storage device with self running application
An encrypted mass-storage drive device with self-running application is disclosed. The encrypted mass-storage drive device allows storage of vital documents and files to a person who is able to access the vital documents and files safely and securely. The encrypted mass-storage drive device authenticates user credentials of the person and prevents unauthorized tampering with the device. In some embodiments, the encrypted mass-storage drive device destroys the data contents stored on the drive when the encrypted mass-storage drive device detects a threshold number of unauthorized access attempts. In some embodiments, the encrypted mass-storage drive device is an encrypted USB mass-storage device.
Method of managing sensitive data in mobile terminal and escrow server for performing same
A method of managing the sensitive data of a mobile terminal and an escrow server for performing the method are disclosed. In the method of managing the sensitive data of a mobile terminal, an escrow server receives a request for registration from a mobile terminal, a user key is generated in response to the request for registration, a user virtual folder adapted to store the sensitive data of the mobile terminal is generated, encrypted sensitive data is received from the mobile terminal if the mobile terminal determines to store the sensitive data in the escrow server, and the encrypted sensitive data is re-encrypted and stored in the user virtual folder.
Managing security in a system on a chip (SOC) that powers down a secure processor
An SOC includes a secure processor and an always-on component. The always-on component may remain powered even during times that other parts of the SOC are powered off. Particularly, the secure processor and related circuitry may be powered off, while various state for the secure processor may be stored in memory in an encrypted form. Certain state may be stored in the always-on component. When the secure processor is powered on again, the secure processor may check for the state in the always-on component. If the state is found, the secure processor may retrieve the state and use the state to access the encrypted memory state.
Motor vehicle control unit having a cryptographic device
It should not be possible for control units for motor vehicles to be exchanged between individual motor vehicles by unauthorized persons. For a motor vehicle it should, therefore, be rendered possible for individual functionalities of a control unit to be unblocked only for a specific motor vehicle. For this purpose, a first cryptographic key and a second cryptographic key are stored in a control unit. A cryptographic device is designed to encrypt a first message initially by one of the cryptographic keys, subsequently to encrypt a result of the encryption by the other cryptographic key and, finally, to provide a result of the second encryption as third cryptographic key for an encryption and/or decryption of a further message. A method configures a control unit in a motor vehicle.
Apparatus and method for generating key
Provided are an apparatus and method for generating a key. The apparatus includes: an input analyzer configured to identify a plurality of symbols from user identity (ID) information, and to derive at least one permutation from the plurality of symbols; and a key generator configured to obtain a plurality of pre-calculated keys including a plurality of first pre-calculated keys and at least one second pre-calculated key, and to generate, from the plurality of pre-calculated keys, a cryptographic key corresponding to the user ID information, the plurality of first pre-calculated keys respectively corresponding to the plurality of symbols, the at least one second pre-calculated key respectively corresponding to the at least one permutation.
Radio communication device and response signal spreading method
A radio communication device capable of randomizing both inter-cell interference and intra-cell interference. In this device, a spreading section primarily spreads a response signal in a ZAC sequence set by a control unit. A spreading section secondarily spreads the primarily spread response signal in a block-wise spreading code sequence set by the control unit. The control unit controls the cyclic shift amount of the ZAC sequence used for the primary spreading in the spreading section and the block-wise spreading code sequence used for the secondary spreading in the spreading section according to a set hopping pattern. The hopping pattern set by the control unit is made up of two hierarchies. An LB-based hopping pattern different for each cell is defined in the first hierarchy in order to randomize the inter-cell interference. A hopping pattern different for each mobile station is defined in the second hierarchy to randomize the intra-cell interference.
Unicast communication method, apparatus, and system
The unicast communication method includes: grouping, by a base station, terminals based on channel condition levels according to measurement information of an uplink channel, so as to obtain at least two channel condition level groups; selecting a modulation-coding mode suitable for each channel condition level group, and decoding a packet to be sent to a terminal by using fountain codes, so as to obtain a fountain code block; sending the fountain code block to the terminal; receiving, by the terminal, the fountain code block of the packet sent by the base station; determining a channel condition level group to which the terminal belongs, decoding the fountain code block by using the modulation-coding mode corresponding to the channel condition level group; and sending or not sending acknowledgment feedback to the base station.
System and method for user equipment initiated management of carrier aggregation
Methods that are performed by a user equipment (UE) and corresponding methods of base stations that allow a UE to determine whether the UE is in a carrier aggregation enabled or disabled state. One exemplary embodiment of a method performed by a UE determines a first artificial value for a first parameter and a second artificial value for a power headroom (PHR) for a secondary component carrier (SCC), the first and second artificial values being substantially low relative to a configuration of the network, generates an artificial report including the first and second artificial values, transmits the artificial report to a primary cell providing a primary component carrier (PCC) and receives an indication that the UE is placed in a carrier aggregation disabled state.
Mobile communication system, base station apparatus, user equipment, and method
A base station apparatus is used in a mobile communication system in which at least a shared data channel is transmitted by an orthogonal modulation scheme using an I-channel and a Q-channel. The base station apparatus includes a providing unit providing Acknowledgement/Non-Acknowledgement information indicating whether retransmission of a signal received in uplink is required; a mapping unit mapping a number of multiplexed users of the Acknowledgement/Non-Acknowledgement information to the I-channel or the Q-channel based on a predetermined mapping table; and a reporting unit reporting the Acknowledgement/Non-Acknowledgement information to the respective users. The mapping table indicates that, when the number of the multiplexed users is equal to or less than a predetermined number, the Acknowledgement/Non-Acknowledgement information is associated with the I-channel or the Q-channel, and otherwise, the Acknowledgement/Non-Acknowledgement information is associated with the I-channel and the Q-channel.
Method and apparatus for resolving the confusion in CCES
The present invention relates to a wireless communication system. In particular, the present invention relates to a method for handling physical downlink control channels (PDCCHs) in a user equipment, the method comprising: receiving a plurality of control channel elements (CCEs) from a base station; performing blind decoding of the plurality of CCEs in CCE aggregation units; and identifying a CCE aggregation level used for the PDCCH transmission, on the basis of the blinding decoding result, wherein the CCE aggregation level is relevant resource mapping of the control information included in the PDCCH.
Signaling of resource assignments in cross-carrier scheduling scenarios
This invention relates to signaling of resource assignments in cross-carrier scheduling scenarios. In order to enable cross-carrier scheduling in a mobile communication system using carrier aggregation while avoiding erroneous detection of assigned physical resources that could lead to HARQ soft buffer corruption/degradation of the system throughput, the invention suggests a scheme for explicitly indicating within downlink control information (DCI) including a resource assignment for the downlink (or uplink) the number of OFDM symbol(s) used for control signaling within a sub-frame on a component carrier on which resources are assigned by the DCI. In one exemplary implementation the number of OFDM symbol(s) used for control signaling is the PCFICH values signaled in a 3GPP LTE-A network. The indication of the OFDM symbol(s) within the sub-frame on the assigned component carrier may for example be jointly encoded with other control signaling information, e.g. with the carrier indication of the carrier indicator field.
Method and apparatus for user-specific reference signaling allocation of control channel in wireless communication systems
A new structure of user-specific reference signals design is provided. Higher spectrum efficiency is achieved, and two users may share the same resource for control signal transmission in a distributed antenna system via different distributed antennas. In addition, search space overlapping is enabled and thus control resource reuse is made possible.
Method and apparatus for transmitting sounding reference signal
Provided are a method and a wireless device for transmitting a sounding reference signal in a wireless communication system. The wireless device receives an SRS (sounding reference signal) configuration for a periodic transmission, and transmits the SRS in a randomly determined subframe from among a plurality of SRS subframes determined on the basis of the SRS configuration.
Method for transceiving reference signal in wireless access system and terminal therefor
Disclosed are a method for transceiving reference signals in a wireless access system supporting carrier aggregation and a terminal therefor. Specifically, the method comprising the steps of: generating a beacon reference signal for estimating an uplink channel using an uplink reference signal; inserting the generated beacon reference signal into the last symbol of a subframe in an uplink frequency region; and transmitting the inserted beacon reference signal to a base station using a subframe that is equivalent to a demodulation reference signal.
Radio terminal, radio base station, channel signal forming method, and channel signal receiving method
A base station communicates with a terminal, for which an uplink component carrier and downlink component carriers are configured. The base station adjusts a payload size of control information, transmitted in a downlink control channel, based on a basic payload size, and maps the control information onto a search space in at least one of the downlink component carriers. The basic payload size of the control information mapped onto a search space in a primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of the uplink component carrier. The basic payload size of the control information mapped onto a search space in a non-primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the non-primary downlink component carrier.
Feedback method in coordinated multi-point communication system and apparatus thereof
The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for feeding back the muting point information in a coordinated multi-point communication system. A method for enabling a terminal to transmit feedback information for the coordinated transmission in the wireless communication system according to one embodiment of the present invention comprises the steps: receiving reference signals for the feedback of the channel state information from a plurality of base stations capable of participating in the coordinated transmission; measuring each channel state value for the plurality of base stations based on the reference signals; and transmitting the muting point information to indicate the preferring base station participating in the coordinated transmission among the plurality of base stations.
Information transmission method and device
An information transmission method and device are provided. The method includes: reporting, by a UE, a CQI value to an eNB; receiving, by the UE, an MCS value sent by the eNB, where the MCS value is determined by the eNB according to the CQI value; and receiving, by the UE, PDSCH data according to the MCS value, where the CQI value and the MCS value are determined according to a second set of tables, where a modulation scheme that can be supported by the second set of tables is higher than 64QAM.
Extended cavity fabry-perot laser assembly capable of high speed optical modulation with narrow mode spacing and WDM optical system including same
An extended cavity Fabry-Perot laser assembly provides relatively narrow mode spacing while allowing relatively high speed optical modulation. The extended cavity Fabry-Perot laser assembly generally includes an exit reflector physically separated from a laser emitter (e.g., a gain chip) to extend the lasing cavity and narrow the mode spacing while maintaining a relatively small gain region in the laser emitter capable of higher speed optical modulation. The extended cavity Fabry-Perot laser assembly may be used in a multi-channel transmitter in a wavelength division multiplexed (WDM) optical system that selects a channel wavelength for the transmitter from among multiple channel wavelengths emitted by the laser assembly. The narrow mode spacing may be less than a WDM channel width, and more specifically, may be less than a channel passband of an arrayed waveguide grating (AWG) or other filter used to select the channel wavelength.
Mechanism for channel synchronization
A channel synchronization method in which local serializers serially transmits first n-bit codes, respectively, to remote deserializers, respectively. Also local deserializers serially receive first n-bit codes, respectively, from remote serializers, respectively. One of the first n-bit codes transmitted to one of the remote serializers indicates one of the local deserializers is not link aligned.
Filtering interference in wireless networks
A first device may receive a parameter to identify interference associated with a frequency; identify the frequency based on the parameter; filter signals associated with the frequency to prevent a second device from receiving the signals associated with the frequency; and provide information identifying the frequency to the second device to cause the second device to prevent a data flow from being assigned to the frequency.
Device contact avoidance for body area network
A device and a method provide for transmitting, via a communication interface operating in a low frequency body area network (BAN) communication mode, a low frequency, on-body signal to another device; determining whether to continue a BAN communication with the other device based on whether an on-body BAN signal is received from the other device that is responsive to the low frequency, on-body signal; and switching the communication interface to a high frequency BAN communication mode based on a determination that the on-body BAN signal is received, wherein the high frequency BAN communication mode configures the communication interface to transmit and receive an on-body signal within a frequency band different from a frequency band of the low frequency BAN communication mode.
System and method for high speed and efficient virtual desktop insfrastructure using photonics
A system includes a virtual desktop server having a first processor and a photonics module. The photonics module includes a photonics interface connected to the first processor and connected to a photonics device via an optical channel, and a photonics controller having a second processor and a memory storing computer executable code. The code, when executed at the second processor, is configured to: control the photonics interface to receive first electronic signals from the first processor; convert the received first electronic signals to first optical signals; control the photonics interface to transmit the first optical signals to the photonics device via the optical channel; control the photonics interface to receive second optical signals from the photonics device via the optical channel; convert the received second optical signals to second electronic signals; and control the photonics interface to transmit the second electronic signals to the first processor.
Method and system for the monolithic integration of circuits for monitoring and control of RF signals
A method of operating a BPSK modulator includes receiving an RF signal at the BPSK modulator and splitting the RF signal into a first portion and a second portion that is inverted with respect to the first portion. The method also includes receiving the first portion at a first arm of the BPSK modulator, receiving the second portion at a second arm of the BPSK modulator, applying a first tone to the first arm of the BPSK modulator, and applying a second tone to the second arm of the BPSK modulator. The method further includes measuring a power associated with an output of the BPSK modulator and adjusting a phase applied to at least one of the first arm of the BPSK modulator or the second arm of the BPSK modulator in response to the measured power.
Method of configuring an optical communication network configured for co-propagating Raman amplification and an optical communication network element
A method includes: selecting an optical pump signal power of a Raman amplifier such that a saturated gain of the Raman amplifier is at a maximum operating level without exceeding a gain threshold above which an optical signal to noise ratio penalty is no longer negligible in the Raman amplifier; selecting an optical signal power for at least one optical communication signal to be transmitted across the optical link to maximise a Q-factor of the optical signal when the Raman amplifier is configured for said maximum operating level of the saturated gain; generating a pump signal power control signal to cause an optical pump signal source of the Raman amplifier to generate an optical pump signal having the selected optical pump signal power; and generating a signal power control signal configured to cause the optical communication signal to be delivered into the optical link at the selected optical signal power.
Distributed base station signal transmission system and communication system
A distributed base station signal transmission system is provided. The system includes a first multiplexing and demultiplexing unit, which is configured to multiplex a downlink signal emitted by the base band unit and output the downlink signal to the remote radio unit, a second multiplexing and demultiplexing unit, which is configured to multiplex an uplink signal emitted by the remote radio unit and output the uplink signal to the base band unit; a first colorless optical module receives and parse the uplink signal and generate the downlink signal; and a second colorless optical module is configured to receive and parse the downlink signal and generate the uplink signal. The present invention requires only one or a pair of fibers to implement interconnection between BBUs and RRUs, and does not need to use a large number of fibers and a metro wavelength division multiplexing network.
Methods and apparatus for pre and post equalization in optical communications systems
An optical communication system includes a transmission apparatus that transmits a test signal over an optical communication medium using a first optical modulation format, receives a reception report for the test signal, determines, based on the received reception report, a pre-equalization scheme, applies the pre-equalization to data transmitted from the transmitter side to generate pre-equalized data and transmits the pre-equalized data using a second optical modulation format based on the reception report. An optical reception apparatus receives the test signal, computes a channel transfer function based on the received test signal, and transmits the reception report.
Modal antenna based communication network and methods for optimization thereof
A communication network is optimized using modal antenna techniques, wherein a plurality of communication nodes are synchronized with each other along with mobile and fixed wireless communication devices which comprise the user base. With one or more of the communication nodes and wireless communication devices including at least one respective modal antenna, the network is adapted for dynamic optimization of communication links amongst the wireless users. Node to user throughput, node to node throughput, as well as interference characteristics among the nodes and wireless users are each optimized as a network system to increase communication system network capacity and reliability. The multiple radiation patterns provided by the modal antennas provide a parametric for network-level synchronization to improve communication system performance.
Feedback based on designated subset of codebook
The present invention provides for an improved application of signal strength weightings in a SDMA sectorized cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in a SDMA sectorized cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated.
Method of beamforming and 3D antenna array
Disclosed herein are a method of beamforming and a 3D antenna array. The method includes: transmitting a first control channel; receiving first feedback information on a first antenna set and a first precoding scheme of a plurality of antenna sets included in the 3D antenna array, which are determined based on the first control channel, from a first communication node different from the communication node; and beamforming a traffic channel to be transmitted to the first communication node using the first antenna set and the first precoding scheme.
Vector selection modulation-based multi-antenna transmission method, receiving method and device
Provided is a vector selection modulation-based multi-antenna transmission method, including: for a group of data to be transmitted, using part of bit information in the group of data to select a weight corresponding to the group of data from K preconfigured weights; and performing constellation mapping modulation on residual bit information in the group of data, and using the selected weight corresponding to the group of data to weight the group of data after the constellation mapping modulation, wherein, the K is a natural number. Based on the method of the present document, the spectrum efficiency of the system can be greatly improved under the condition without adding a transmission antenna.
Method of achieving ultra-wideband true-time-delay beam steering for active electronically scanned arrays
The various embodiments presented herein relate to beam steering an array antenna by modifying intermediate frequency (IF) waveforms prior to conversion to RF signals. For each channel, a direct digital synthesis (DDS) component can be utilized to generate a waveform or modify amplitude, timing and phase of a waveform relative to another waveform, whereby the generation/modification can be performed prior to the IF input port of a mixer on each channel. A local oscillator (LO) signal can be utilized to commonly drive each of the mixers. After conversion at the RF output port of each of the mixers, each RF signal can be transmitted by a respective antenna element in the antenna array. Initiation of transmission of each RF signal can be performed simultaneously at each antenna. The process can be reversed during receive whereby timing, amplitude, and phase of the received can be modified digitally post ADC conversion.
Systems and methods for data offload in wireless networks
Systems, methods, and apparatuses for radio resource control (RRC) signaling in wireless communication networks with data offload are provided. The radio configuration messages from a small cell to a dual connection UE may be sent by an overlay macro E-UTRAN node-B (eNB). The small cell may send the RRC messages to the macro-eNB first via a backhaul link, and the macro-eNB then transmits the messages to the UE. In some implementations, the radio configuration messages from a small cell to a dual connection UE may be sent directly from the small cell. In some other implementations, some of the RRC messages may be sent selectively to/from either the macro-cell or the small cell, or to/from both the macro-cell and the small cell. The type of RRC messages sent over the small cell and/or the macro-cell may be preconfigured or predetermined.
Communication system using wireless power
Provided are a devices, systems and methods for performing communication using wireless power. According to one general aspect, a communication device using wireless power may include: a controller configured to control mutual resonance between a target resonator and a source resonator; a demodulator configured to demodulate information transmitted from the source resonator based on an amount of energy received from the source resonator; and a modulator configured to modulate information based on the mutual resonance.
Resonance detection and control within a wireless power system
Exemplary embodiments are directed to resonant frequency tuning. A device includes a transmit coil for transmitting wireless power. The device further includes a transmit element configured to selectively modify a resonant frequency of the transmitter by at least one of inserting the transmit element into the transmit coil or inductively coupling the transmit element to the transmit coil.
Method and apparatus in a communications network
The present invention provides a method of training a DSL link while transmitting data over a powerline connection. If the powerline connection causes interference on the DSL link then this will be present during the line training, giving a more robust set of line parameters.
Dynamic mode selection for MIMO powerline devices
A first communication device can dynamically select a mode of communication (such as a MIMO mode or a SISO mode) to improve throughput. In selecting the communication mode, the first communication device may determine whether a powerline medium effectively supports multi-channel communication. Even when the first communication device and a second communication device both are capable of using a MIMO mode, the first communication device may select a SISO mode if it determines that one of the channels is ill-conditioned for communication. For example, the powerline medium may be affected by a missing conductor, protective circuit, or other attenuation that impairs the second channel differently than the first channel. If the disparity between the first channel and the second channel is greater than a threshold, the first communication device may switch to a SISO mode to improve performance.
Validating a connection to an optical circuit switch
A system and method of validating a connection to an optical circuit switch include sending a packet of data through a first connection to the optical circuit switch to test whether the packet reaches a second connection to the optical circuit switch. The first connection may be selected for retesting with a third connection and a second packet of data may be sent to the third connection. Data indicative of the first connection being correctly wired may be generated based in part on a determination that the second packet reached the third connection.
Control interface for a communication device
A portable radio (100) having a control knob (102) can further enable additional radio control functions through a rapid back and forth bi-directional rotation (202, 204, 206) of the knob (102). No additional buttons or menu features are required.
Mobile device case having an ergonomic battery handle
A mobile device case having an ergonomic handle mounted thereon using a ball and socket assembly to permit the handle to retract, spin, and rotate 360-degrees. The ergonomic handle is also an external battery so that a user can charge the mobile device while holding the handle to prevent injury to the wrist and/or hands during prolonged use of the mobile device.
Low-cost receiver using integrated inductors
A receiver includes a first amplifier having an input for receiving a radio frequency (RF) signal, and an output for providing an amplified RF signal, a switch section for selectively switching the RF signal onto one of a plurality of nodes, and a filter section comprising a plurality of filters coupled to respective ones of the plurality of nodes. A first filter of the plurality of filters comprises a first variable capacitor coupled in parallel with an inductance leg between a corresponding one of the plurality of nodes and a power supply voltage terminal, wherein the first variable capacitor has a capacitance that varies in response to a tuning signal, and the inductance leg comprises a first inductor in series with an effective resistance, wherein the effective resistance has a value related to an upper cutoff frequency to be tuned by the first filter.
Analog compensation circuit and method
Disclosed herein are an analog compensation circuit and a method for tuning an analog compensator in full-duplex transmission systems. An embodiment analog compensation circuit includes a secondary receiver configured to receive and convert a sampled self-interference signal to a baseband self-interference signal. A tuner is coupled to the secondary receiver and configured to receive a baseband transmit signal and the baseband self-interference signal, and to compute complex gains according to the baseband transmit signal and the baseband self-interference signal. An analog compensator is coupled to the tuner and has multiple branches. The analog compensator is configured to receive the complex gains and use them to adjust respective attenuators and phase shifters of the branches. The analog compensator is further configured to process a sample of a transmit signal using the branches, the transmit signal being up-converted from a new baseband transmit signal.
High performance interconnect link layer
Transaction data is identified and a flit is generated to include three or more slots and a floating field to be used as an extension of any one of two or more of the slots. In another aspect, the flit is to include two or more slots, a payload, and a cyclic redundancy check (CRC) field to be encoded with a 16-bit CRC value generated based on the payload. The flit is sent over a serial data link to a device for processing, based at least in part on the three or more slots.
Data compression apparatus and data decompression apparatus
The present invention guarantees throughput for decompressing compressed data. A data compression apparatus includes: a division unit that divides plaintext data inputted to the division unit into a plurality of plaintext blocks each having a prescribed plaintext block length; a compression unit that creates a payload for each plaintext block of the plurality of plaintext blocks by compressing the plaintext block using a sliding dictionary-type compression algorithm, creates a header indicating the length of the payload, and creates a compression block that includes the header and the payload; and a concatenation unit that creates compressed data by concatenating a plurality of compression blocks created from the plurality of plaintext blocks.
Linearized optical digital-to-analog modulator
A system for converting digital data into a modulated optical signal, comprises an electrically controllable device having M actuating electrodes. The device provides an optical signal that is modulated in response to binary voltages applied to the actuating electrodes. The system also comprises a digital-to-digital converter that provides a mapping of input data words to binary actuation vectors of M bits and supplies the binary actuation vectors as M bits of binary actuation voltages to the M actuating electrodes, where M is larger than the number of bits in each input data word. The digital-to-digital converter is enabled to map each digital input data word to a binary actuation vector by selecting a binary actuation vector from a subset of binary actuation vectors available to represent each of the input data words.
A/D converter, solid-state imaging device and camera system
An A/D converter includes: plural comparators to which reference voltages as ramp waves different from each other are supplied, which are configured to compare the supplied reference voltages with an analog input signal; and plural latches arranged so as to correspond to the plural comparators, which are configured to count comparison time of the corresponding comparators, to stop counting when an outputs of the comparator is inverted and to store the count value, wherein the plural reference voltages are off set by an arbitrary voltage at the same time point.
Modified delta-sigma modulator for phase coherent frequency synthesis applications
A phase coherent fractional-N phase-locked loop synthesizer for maintaining phase coherence of a synthesized frequency includes a phase coherent delta-sigma modulator (DSM) having a plurality of feed-forward accumulator stages. The DSM is operatively coupled to a reference clock configured to generate a cyclical reference signal. The DSM configured to count a number of cycles of the reference signal, to cause, at each cycle of the reference signal, each of the stages of the DSM to accumulate a sum of a previous stage of the DSM, and to multiply each sum by a fractional divide word to produce a multiplier output, thereby causing the DSM to output a sequence of signals that tracks with the reference clock.
Buffer circuit and operation method thereof
A buffer circuit includes an amplification unit suitable for sensing and amplifying an input signal and a reference voltage, a buffer enable unit suitable for enabling the amplification unit based on a buffer enable signal, and a buffer enable signal generation unit suitable for generating the buffer enable signal based on a first or second operation control signal, selected according to a high voltage detection signal.
Method for controlling an integrated circuit
A method for controlling an IC having logic cells and a clock-tree cell. Each logic cell has first and second FETs, which are pMOS and nMOS respectively. The clock-tree cell includes third and fourth FETs, which are pMOS and nMOS respectively. The clock-tree cell provides a clock signal to the logic cells. A back gate potential difference (“BGPD”) of a pMOS-FET is a difference between its source potential less its back-gate potential, and vice versa for an nMOS-FET. The method includes applying first and second back gate potential difference (BGPD) to a logic cell's first and second FETs and either applying a third BGPD to a third FET, wherein the third BGPD is positive and greater than the first BGPD applied, which is applied concurrently, or applying a fourth BGEPD to a fourth FET, wherein the fourth BGPD is positive and greater than the second BGPD that is applied concurrently.
Apparatuses and methods for line charge sharing
Apparatuses and methods for charge sharing, between signal lines are disclosed. An example apparatus may include first and second lines and a charge sharing circuit. The charge sharing circuit may be coupled to the first line and the second line and configured to receive a first data signal and a second data signal. The charge sharing circuit may be further configured to cause charge to be shared between the first line and the second line responsive, at least in part, to the first data signal and the second data signal having different logic levels.
Semiconductor devices and integrated circuits
A data transmission circuit may include first, second, and third pads, generate a pull-up code and a pull-down code in accordance with a resistance value between the third pad and a ground terminal, and drive data with drivability adjustable by the pull-up code and the pull-down code to output the data. The data reception circuit may include a resistor coupling circuit coupled between the first pad and the second pad to include a second resistance value, include an external resistor coupled to the third pad through a first wiring resistor having a first resistance value, and receive the data through a second wiring resistor.
Inductive proximity switch and method for its operation
The invention relates to an inductive proximity switch having a current-fed resonant circuit comprising at least one resonant circuit transmitting coil and a capacitance. The resonant circuit transmitting coil generates an alternating magnetic field, which is able to induct a mutual induction voltage in at least one receiving coil, and the oscillation state of the resonant circuit can be influenced by a metallic release entering or moving away from the alternating field, having an evaluating circuit for obtaining a switching signal from the change in the oscillation state of the resonant circuit, the change in the complex coupling between the at least two coils, namely transmitting coil and receiving coil, being evaluatable with the aid of an auxiliary voltage signal as a switching signal in the presence or absence of the release.
Resonant radio frequency switch
An SPDT switch in a RF communication transceiver provides for choosing the transmit/receive path for the RF signal. It consists of the series and shunt branches each consisting of stack of FETs. Performance metrics of the RF switch are insertion loss and isolation. At high frequency, the device/FET capacitance and the parasitic capacitances provide a leakage path for the signal, resulting in higher insertion loss and lower isolation. A parallel resonant LC network across each of the series and/or shunt branch FETs in a SPDT switch provides lower insertion loss, higher switch isolation, and lower out of band harmonics when compared to that of the state of the art SPDT switch. A method to reduce the form factor of such switch configuration is disclosed which is useful in wireless front end modules.
Electric device including a switch circuit, a current limit circuit and a clamp swith, for driving a power switch
A drive device according to one aspect of the disclosure includes a control terminal connector, a switch circuit, a current limit circuit, and a clamp switch on a circuit board. The clamp switch is located in a second quadrant or a fourth quadrant of four quadrants, where the four quadrants are partitioned by two mutually orthogonal virtual lines with the current limit circuit set as an origin and the four quadrants consist of a first quadrant including an area where the control terminal connector is located, the second quadrant, a third quadrant, and the fourth quadrant, in clockwise order.
Emitter follower buffer with reverse-bias protection
The invention relates to a buffer circuit for a receiver device including a transconductance stage and an output stage coupled in parallel to output stages of other channels of the device. The output of the transconductance stage is connected to a base of a bipolar transistor in the output stage. A switch is connected between the base of the bipolar transistor and the emitter of the bipolar transistor. A controller is arranged to switch the buffer circuit from a switch-off mode to a switch-on mode and back. In switch-off mode the switch is switched on, so as to connect the base and the emitter of the bipolar transistor.
Semiconductor integrated circuit
A semiconductor integrated circuit includes a power supply switch circuit which uses a PMOS transistor and an NMOS transistor to select a first power supply voltage applied to a first power supply input terminal or a second power supply voltage applied to a second power supply input terminal, and output the selected voltage as a power supply voltage to a third power supply output terminal, a first switch control circuit connected to the gate of the PMOS transistor, and a second switch control circuit connected to the gate of the NMOS transistor.
Serial data signal edge detection
A clamping circuit clamps a serial data signal between a first high voltage level and a first low voltage level to yield a clamped serial data signal. A first comparator circuit compares the clamped serial data signal to a second high voltage level less than the first high voltage level to yield a high output equal to one just when a voltage of the clamped serial data signal is greater than the second high voltage level. A second comparator circuit compares the clamped serial data signal to second low voltage level greater than the first low voltage level to yield a low output equal to one just when the voltage of the clamped serial data signal is greater than the second low voltage level. An edge circuit detects an edge of the serial data signal from the high output and the low output.
Data output device
A data output device may include a driving control, a voltage supply unit, and an output driving unit. The driving control unit outputs a pull-up control signal and a pull-down control signal in response to a logic value of data when an output enable signal is activated. The voltage supply unit generates a driving voltage lower than a supply voltage. The output driving unit is driven in response to the driving voltage, and controls an amplitude and a slew rate of a voltage supplied to a global line according to the pull-up control signal and the pull-down control signal.
Provided is a semiconductor device including a sequential circuit including a first transistor and a capacitor. The first transistor includes a semiconductor layer including indium, zinc, and oxygen to form a channel formation region. A node electrically connected to a source or a drain of the first transistor and a capacitor becomes a floating state when the first transistor turns off, so that a potential of the node can be maintained for a long period. A power-gating control circuit may be provided to control supply of power supply potential to the sequential circuit. The potential of the node still can be maintained while supply of the power supply potential is stopped.
Complex-pole load offering concurrent image rejection and channel selection
A complex-pole load is configured as a parallel circuit, having 4 transistors arranged in pairs. Each pair of transistors has a transistor gated by a control voltage sources, and connected in parallel with a transistor diode connected for gating by the respective input. The control voltage sources result in the circuit synthesizing a first order complex pole at a positive IF (+IF) or a negative IF (−IF) for channel selection and image rejection, offering image rejection and channel selection concurrently.
Position detecting system
A position detecting system detects and responds to the movement of a target through a sensing domain area of a plane. The movement causes the amount of the target that lies within a sensing domain area to change. A portion of the target always lies within at least one of the sensing domain areas of the plane.
Audio amplifier, audio output circuit, integrated circuit for audio, electronic device, and method for amplifying audio signal
An audio amplifier is disclosed. The audio amplifier for driving an electroacoustic transducer includes an H bridge circuit including a 1D-class amplifier connected to a (+) electrode terminal and a 2D-class amplifier connected to a (−) electrode terminal of the electroacoustic transducer; a pulse width modulator configured to receive an audio signal, generate a first and second pulse signal for each driving the 1D-class and the 2D-class amplifier, and adjust a phase difference between the first and the second pulse signal; a first driver driving the 1D-class amplifier depending on the first pulse signal; a second driver driving the 2D-class amplifier depending on the second pulse signal; a level detector detecting a level of the audio signal; a phase adjuster configured to set a phase difference between the first pulse signal and the second pulse signal of the pulse width modulator based on a detection result from the level detector.
Power amplification apparatus and control method
A power amplification apparatus generates a code for controlling the number of class D power amplifiers that are in operation among a plurality of class D power amplifiers, changes the duty ratio of a carrier wave signal in accordance with output voltage, and amplifies a transmission signal. A code for decreasing the number of class D power amplifiers in operation is generated when the duty ratio of the carrier wave signal is increased, while a code for increasing the number of class D power amplifiers in operation is generated when the duty ratio of the carrier wave signal is decreased.
Instrumentation amplifier with rail-to-rail input range
A system and method for adjusting a common mode output voltage in an instrumentation amplifier is provided. In one aspect, the common mode output voltage is increased or decreased with respect to the common mode input voltage to enable high amplification of the signal input to the instrumentation amplifier. Moreover, the common mode output voltage can be driven to (or approximately to) a target voltage value such as, but not limited to, half the supply, even if the common mode input voltage is close to supply or ground rail voltage. Thus, a high amplification of the differential input voltage can be obtained and utilized for various applications requiring rail to rail input.
Distortion compensation device and distortion compensation method
A distortion compensation device for correcting balance between a first branch and a second branch, includes: an adjustment unit that is arranged in an input stage of a first nonlinear amplifier on the first branch and outputs a signal obtained by adjusting a phase and an amplitude of a first branch signal by using a balance correction amount to the first nonlinear amplifier; a first calculation unit that calculates a first inverse distortion characteristic of an entire outphasing amplifier based on an input signal and a combined signal; a second calculation unit that calculates a replica signal of the first branch signal based on the calculated first inverse distortion characteristic, a second branch signal, and the combined signal; and a third calculation unit that calculates the balance correction amount based on the calculated replica signal of the first branch signal and the signal output from the adjustment unit.
Interference suppression for switched mode power supply with error correction
A switched mode power supply arranged to provide a switched supply at one terminal of an inductor, another terminal of the inductor being connected to a first input of an error amplifier having a reference signal at a second input, the error amplifier generating a corrected switched supply at an output in dependence on the difference between signals at its first and second inputs, there being provided a feedback path between the output of the error amplifier and the first input of the error amplifier, and further comprising circuitry for sensing a switcher interference current in the feedback path of the error amplifier, and for adjusting the corrected switched supply output to reduce the switcher interference current in the output.
Fully differential signal system including common mode feedback circuit
Provided is a fully differential signal system including a first amplification unit including first and second output terminals configured to output an output differential signal generated based on an input differential signal and a common mode feedback signal; a common mode detection unit configured to detect a common mode signal included in the output differential signal; a second amplification unit including a feedback signal output terminal configured to output the common mode feedback signal generated based on the detected common mode signal and a reference signal; a first stabilization unit connected between the first output terminal and the feedback signal output terminal; and a second stabilization unit connected between the second output terminal and the feedback signal output terminal. The fully differential signal system stably operates and an operation performance of the fully differential signal system is improved.
Amplifier circuit and operation method thereof
Disclosed is an amplifier circuit capable of achieving high efficiency at back off power while maintaining high output power when an amplifier of a driving stage is saturated in a multistage amplifier in which a plurality of amplifiers are connected in series to each other. In the amplifier circuit, at least two amplifiers including a first amplifier and a second amplifier, the first amplifier preceding the second the first amplifier, are connected in series to each other, the second amplifier changes input impedance according to output power from the first amplifier, and an impedance adjusting unit for adjusting output load impedance of the first amplifier is disposed between the first amplifier and the second amplifier, wherein the impedance adjusting unit optimizes the output load impedance of the first amplifier according to a change of input impedance of the second amplifier.
Radio-frequency amplifier circuit and control voltage setting method for radio-frequency amplifier circuit
A radio-frequency amplifier circuit includes first and second FETs cascode-connected to each other. The gate of the first FET is connected to a radio-frequency input terminal, and the drain of the second FET is connected to a radio-frequency output terminal. The source of the first FET is connected to a ground, and the drain of the first FET and the source of the second FET are connected to each other. A drive voltage is applied to the drain of the second FET. A bias setting unit is connected to the gate of the second FET. The bias setting unit sets a second control voltage to be applied to the second FET so that a node voltage between the drain of the first FET and the source of the second FET will be substantially half of the drive voltage.
Capacitive trans-impedance amplifier circuit with charge injection compensation
A capacitive trans-impedance amplifier circuit with charge injection compensation is provided. A feedback capacitor is connected between an inverting input port and an output port of an amplifier. A MOS reset switch has source and drain terminals connected between the inverting input and output ports of the amplifier, and a gate terminal controlled by a reset signal. The reset switch is open or inactive during an integration phase, and closed or active to electrically connect the inverting input port and output port of the amplifier during a reset phase. One or more compensation capacitors are provided that are not implemented as gate oxide or MOS capacitors. Each compensation capacitor has a first port connected to a compensation signal that is a static signal or a toggling compensation signal that toggles between two compensation voltage values, and a second port connected to the inverting input port of the amplifier.
Duplexer and cable modem using a duplexer
A duplexer, applying in a cable modem, comprises a first mixer, a band-pass filter and a second mixer, in order to filter MoCA interference signal of downstream signals, a series of steps are carried out, which comprising up-conversion, filtering lower and lower frequency. The duplexer use a synthesizer to provide the local oscillator source to the first mixer and the second mixer according to the channel scan signals and use a channel scan controller to provide the channel scan signal of the local oscillator source to the synthesizer.
Device for fastening PV modules to roofs having a trapezoidal metal sheet
Device for fastening at least one PV module (1) to a roof which comprises a trapezoidal metal sheet (2) with a trapezoidal bead (3) with two oblique sides (4, 5) and an upper side (6), wherein the device comprises: exactly one holding plate (10) for fastening to one of the two oblique sides (4, 5), a supporting face (11), a holding-down element (12) for clamping the at least one PV module (1) against the supporting face (11), a threaded shaft (13) which is assigned a central shaft axis (S) and which is provided for actuating the holding-down element (12) in the direction of the supporting face (11), exactly one hinge joint (R, 14, 15) which is assigned a central axis of rotation (R) and by means of which the exactly one holding plate (10) and the threaded shaft (13) are rotatably coupled to one another and which has a joint pin (14) and a pin receptacle (15), wherein the threaded shaft (13) and the joint pin (14) are arranged perpendicular to one another in such a way that a common plane (E) results in which both the threaded shaft (13) extends in parallel and the joint pin (14) extends in parallel.
Over temperature protection device for electric motors
An over temperature protection device for electric motors applicable to a railway vehicle driving system that operates a plurality of electric motors in parallel using one or a plurality of inverter devices includes a control device configured to control the operation of an inverter device and a protecting device configured to detect, on the basis of a frequency fs including frequency information at the time when the inverter device is applying control for fixing a ratio of a voltage and a frequency to electric motors and electric currents of at least one phase flowing to the electronic motors, an over temperature that could occur in the electric motors, to generate an over temperature protection signal Tf for protecting the electric motors from the over temperature, and to output the over temperature protection signal Tf to the control device.
Variable speed drive system, method for operating a variable speed drive system and method for refrigerating a hydrocarbon stream
A variable speed drive system employing an electric motor and a frequency converter arranged between an AC power source and the electric motor is operated. The frequency converter functions to convert AC power obtained from the AC power source at a source frequency to converted power at a variable drive frequency. A mechanical assembly can be coupled to the electric motor. Electric modulation circuitry is provided interacting with the frequency converter. It is arranged to impose fluctuations, independently from any torsional excitation in the mechanical assembly and the AC power source, in the inter-harmonic frequencies of inter-harmonic currents generated in the frequency converter.
Electric motor controller
An electric motor controller includes a first coordinate conversion unit that converts a three-phase current into a current in a δc-γc rotating coordinate system, a first calculation unit that obtains a first term, a second calculation unit that obtains a voltage command value in the δc-γc rotating coordinate system as a sum of the first term and a second term, a second coordinate conversion unit that coordinate-converts the voltage command value into a voltage command value of a voltage to be applied to a rotary electric motor in another coordinate system.
Phase current regulation in BLDC motors
A method is provided for determining a phase current direction and a zero-crossing moment of the phase current in a sinusoidally controlled brushless direct current motor. The brushless direct current motor comprises a coil per phase and the phase of the brushless direct current motor is driven by a half bridge driver. The half bridge driver comprises a high side field effect transistor and a low side field effect transistor. The method comprising the following steps: measuring the drain source voltage over the high side field effect transistor and low side field effect transistor, and determining the zero crossing moment of the phase current by determining the current direction based on the measured drain source voltages and by determining the moment the current changes direction.
Apparatus and method for compensating for torque for current order of driving motor
An apparatus for compensating for a torque for a current order of a driving motor includes: a current order generator configured to: i) receive a torque order (Tref*), ii) generate a magnetic flux-based current order map using a generated driving point ratio (1/λmax), and iii) generate a current order using the generated current order map; and an iron loss torque compensator configured to extract an iron loss torque compensation value for the generated current order and a speed (Wrpm) of the driving motor.
Motor driving device
A motor driving device includes an analog to digital conversion circuit to which a speed command voltage instructing a rotation speed of a motor is inputted, and a microcomputer configured and programmed to generate a speed command having a pulse width which is changed according to the speed command voltage based on an output signal of the analog to digital conversion circuit. Further, the motor driving device includes a signal isolator configured to transmit the speed command between an input and an output while providing isolation between the input and the output, and a drive circuit configured to generate a driving signal in response to the speed command outputted from the signal isolator and to change the rotation speed of the motor.
Piezoelectric energy harvester device with a stopper structure, system, and methods of use and making
The present invention relates to an energy harvester device comprising an elongate resonator beam comprising a piezoelectric material, the resonator beam extending between first and second ends; a base connected to the resonator beam at the first end with the second end being freely extending from the base as a cantilever; a mass attached to the second end of the resonator beam; a package surrounding at least a portion of the second end of the resonator beam; and a stopper connected to the mass and/or the second end of the resonator beam, where the stopper is configured to prevent contact between the second end of the resonator beam and the package. Also disclosed is a system, a method of powering an electrically powered apparatus, and methods of producing an anergy harvester device.
An energy collection system may collect and use the energy generated by an electric field. Collection fibers are suspended from a support wire system supported by poles. The support wire system is electrically connected to a load by a connecting wire. The collection fibers may be made of any conducting material, but carbon and graphite are preferred. Diodes may be used to restrict the backflow or loss of energy.
Self-conforming plates for capacitive machines such as electrostatic motors and generators
Capacitive machines generate torque, generate electric power, and/or transmit electrical signals using closely spaced parallel plates wherein one plate is in motion relative to the other. Closer plate spacing, and thus greater power capacity, is obtained by defining flexures at or near the locations where the plates are anchored to their actuators or mountings, and by defining walls which obstruct fluid flow between one or more of the plates. As one plate is set in motion parallel to the other, thereby inducing fluid flow between the plates, the flow generates a fluid pressure distribution which tends to maintain the plates in spaced relation. In response to the pressure, the flexures allow the plates—which may be out of parallel—to displace and/or tilt from their nominal positions into close parallel relation, thereby providing better capacitance (and thus better torque/power/signal transmission).
Pseudo zero vectors for space vector modulation and enhanced space vector modulation
A method of performing space vector modulation for PWM control for creating AC waveforms includes generating and sampling a reference signal to generate reference samples and performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples. The reference vector approximation employs active vectors, one or more zero vectors, and one or more pseudo zero vectors in the formation thereof. Another method of performing space vector modulation (SVM) includes generating a reference signal and sampling the reference signal at a sampling frequency to generate a plurality of reference samples. The method also includes performing a reference vector approximation to synthesize a reference vector associated with at least one of the reference samples, wherein the reference vector approximation has a first portion that employs two adjacent active vectors and a remaining portion that employs two non-adjacent active vectors in the formation thereof.
Method and device for controlling an inverter
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine, the inverter being equipped with a plurality of controllable switches (S) and being designed to provide a polyphase electric current (IU, IV, IV), in particular to supply polyphase electric current (IU, IV, IV) to the electric machine (14). In said method, a desired current space vector (I1*) having a desired phase angle (alpha1) and a desired amplitude (I1) is predefined, and the inverter (10) is controlled in such a way that a plurality of different successive switching states (V1-V7) is established for the switches (S) in order to provide the electric current (IU, IV, IV) in the form of a current space vector (I2*), the inverter (10) being controlled in such a way that the current space vector (I2*) is provided at a phase angle (alpha2) which differs from the desired phase angle (alpha1), the difference (delta_beta) of the phase angle (alpha2) from the desired phase angle (alpha1) being limited according to a rotational speed (f) of the desired current space-vector (I1*).
Three-phase power supply system
An electric three-phase power supply system includes a primary stage arranged to receive an input of three-phase alternating current power; a transformer stage arranged to receive power from the primary stage and to reduce the three-phase AC power in voltage level, the transformer stage include an independent secondary winding for each of the phases in the alternating current power; a power factor correction (PFC) stage having a plurality of PFC units that each receive AC power for one of the phases in the alternating current power from the transformer stage; and a pair of output terminals that receive power form the PFC units, wherein output terminals of each of the PFC units are tied to each other, and ground terminals of each of the PFC units are tied to a common ground.
Converter cell with reduced power losses, high voltage multilevel converter and associated method
It is presented a converter cell (10a; 10b) arranged to be used in a high voltage multilevel converter. The converter cell comprises: an energy storage element (16a; 16b) and a plurality of switching elements (S1, . . . , S8). The plurality of switching elements comprises at least one thyristor (S3; S8) and a plurality of transistors (S1, S2, S4; S5, S6, S7). Each one of the at least one thyristor (S3; S8) is provided in a position for a switching element in the converter cell where, during normal operation of the converter cell, the at least one thyristor is in a continuous conducting state. This reduces the power losses of the converter cell. A corresponding multilevel converter and a method are also presented.
Gate drive apparatus for resonant converters
An apparatus comprises a bridge coupled between a bias voltage and ground, wherein the bridge comprises a first switch and a second switch connected in series and coupled between the bias voltage and ground and a third switch and a fourth switch connected in series and coupled between the bias voltage and ground, a resonant device coupled to the bridge, wherein the resonant device comprises a fixed capacitance, a gate capacitance and a magnetizing inductance, a transformer coupled to the resonant device, wherein the transformer comprises a primary winding and a plurality of secondary windings.
Multilevel converter and power supply system
A multilevel converter includes at least one converting unit, where the converting unit includes N interleaved parallel bridge arms which enable the converting unit to output 2[(M−1×)N]+1 level signals, where N is an integer greater than or equal to 3, M is the number of levels received by the converting unit, and M is an integer greater than or equal to 3; a direct current inputting unit that supplies the direct current to the converting unit; a voltage dividing unit, where an input end of the voltage dividing unit is connected to an output of the direct current inputting unit, and an output end of the voltage dividing unit is connected to an input end of the converting unit; and at least one filtering unit, where the filtering unit is connected to the converting unit to output an alternating current.
Converter one pin sensing
Power converters, such as switched-mode power converters comprise a reduced number of sensing pins. A power converter is configured to convert electrical energy at an input voltage into electrical energy at an output voltage. The power converter comprises a power switch configured to be switched between on- and off-states; and a controller configured to generate a control signal for putting the power switch into the on-state and off-state, respectively; wherein the control signal is generated based on a first and second measurement signal from the power converter external to the controller. The controller comprises a sensing pin configured to sense the first measurement signal, when the power switch is in on-state, and configured to sense the second measurement signal, when the power switch is in off-state.
Power supply regulator
A power supply that includes positive and negative floating power supply rails. Laterally diffused metal oxide semiconductors (LDMOS) regulate the output voltage of the positive and negative floating power supply rails. In particular, an LDMOS can be configured as a common gate amplifier at the output of the power supply to sense the output of the positive and negative floating power supply rails.
Buck converter with reverse current detection and pseudo ripple generation
Provided is a DC/DC converter capable of immediately resuming to a normal operation from a state in which an output transistor is continued to be turned off when a reverse current is generated in a light load state. The DC/DC converter includes an ON-timer circuit including: a ripple generation circuit; a smoothing circuit; a timer circuit configured to output an ON-time signal; a logic circuit configured to detect a sign of generation of a reverse current; and a switch circuit configured to, based on a detection signal of the logic circuit, maintain an output voltage of the ripple generation circuit or control the output voltage of the ripple generation circuit to a predetermined voltage.
High-efficiency fractional pump
Methods and systems for generating voltages greater than a supply voltage are described. In some embodiments, a charge pump system may generate a boosted output voltage greater than the supply voltage using one or more charge pump stages that are arranged in series between the supply voltage and the boosted output voltage. A charge pump stage of the one or more charge pump stages may include a plurality of boosting capacitors that are arranged in series and charged to a charging voltage during a charging phase. During the charging phase, each boosting capacitor of the plurality of boosting capacitors may be charged to a fraction of the charging voltage applied across all of the plurality of boosting capacitors. After the charging phase, the plurality of boosting capacitors may be arranged in parallel and each boosting capacitor of the plurality of boosting capacitors may be boosted during a boosting phase.
Semiconductor module and boost rectifier circuit
A semiconductor module includes a voltage generator, and a heat dissipating mechanism composed of, for example, an insulating heat dissipating sheet and a heat sink. The voltage generator is capable of generating, by using a built-in linear regulator function, a power source voltage to drive a boost converter based on a voltage boosted by the boost converter. The voltage generator is mounted on the heat dissipating mechanism.
Continuously formed annular laminated article and method for its manufacture
An apparatus and method for the production of relatively large diameter annular components, such as stator cores for electric motors, without excessive waste of material. In one embodiment, a first progressive die assembly forms a plurality of identical pole pieces each made of a plurality of individual stacked and interlocked laminations. The pole pieces, having protruding end portions, are loaded into a rotary carousel. A second progressive die assembly forms a continuous strip including a plurality of body segments connected via hinge portions disposed adjacent recesses between the body segments that are dimensioned to receive the protruding ends of the pole pieces. As the continuous strip is formed, it is wound about the rotary carousel with progressive pivoting of the body segments about the hinge portions to capture the protruding ends of the pole pieces within the recesses, with continued winding of the strip in a helical fashion around the rotary carousel continuing until a desired height is reached that is substantially equivalent to the height of the pole pieces. The strip is then cut, and the resulting annular part is welded at one or more locations to secure the components together.
Rotary electric machine having non-overlapping power interconnecting part
The rotary electric machine main body includes: a stator; a rotor that includes a rotating shaft and that is rotatable relative to the stator; and a supporting body that supports the stator and the rotor. The controlling apparatus includes a power circuit portion that is disposed around the rotating shaft, and that converts electric power that is received from the rotary electric machine main body or electric power that is supplied to the rotary electric machine main body between alternating current and direct current. The power circuit portion includes: a power module; and an electric power interconnecting part that includes a conductor that is connected to a terminal of the power module. The electric power interconnecting part is disposed so as to avoid overlapping with a region of the power module when the power circuit portion is viewed in an axial direction of the rotating shaft.
Multi-phase coil terminal structure and motor including same
A multi-phase coil terminal structure for a motor, to which wire ends of at least two exciting coils are connected which include respective bifilar windings, is provided and includes: at least two first individual terminals each of which includes two segments; at least two second individual terminals each of which includes two segments; and an integrated common terminal which is formed in a single piece member and which includes two segments, wherein wire ends of the at least two exciting coils are connected to one segment of the two, while the other segment of the two serves as an external output, and wherein the first individual terminals, the second individual terminals, and the integrated common terminal are partly molded.
Terminal housing for motor and motor employing the same
A terminal housing for a motor comprises a terminal connected to a coil of a stator via one portion thereof. A terminal housing main body includes an inserting hole formed therein and provides a chamber for receiving the other portion of the terminal. The terminal is inserted into the inserting hole, and a curved portion formed on a side of the chamber around the terminal inserting hole. The curved portion is curved to enable the terminal to be moved thereon.
Electrical machine having locked permanent magnets and rotor slices
An electrical machine has a drive shaft, a rotor affixed to the drive shaft and extending outwardly therefrom in which the rotor has at least one slice of a ferromagnetic material, a first plate positioned over and around the shaft and positioned adjacent to one side of the slice so as to have a portion extending radially outwardly beyond the circumferential surface of the slice, a second plate positioned over and around said shaft and positioned adjacent to another side of the slice so as to have a portion extending radially outwardly beyond the circumferential surface of the slice, and a magnet affixed to the circumferential surface in a location between the first and second plates.
Segmented motor stator with outer fixing ring
A motor stator includes a plurality of separate core segments, a plurality of coils, and a fixing ring. Each core segment includes a yoke and a tooth extending from the yoke. The yokes are connected to form a substantially circular core, with the teeth extending inwards. Each coil is wound around a corresponding tooth. The fixing ring is fixed to the outer surface of the core.
Wireless inductive power transfer
A wireless power transfer system includes a power receiver (105) and a power transmitter (101) generating a wireless inductive power transfer signal for powering the power receiver (105) during a power transfer phase. An apparatus, often the power transmitter (101) comprises a first communication unit (305) communicating with a second communication unit of an entity using an electromagnetic communication signal. The entity may typically be the power receiver (105). The apparatus comprises a reference processor (307) for measuring and storing a reference value of a characteristic of the communication signal and a measurement unit (309) which repeatedly during the power transfer phase determines a measured value of the characteristic. A comparator (311) compares the measured values to the reference value and an initiator (313) triggers an entity detection process if the comparison indicates that a measured value and the reference value do not meet a similarity criterion. The entity detection process detect a presence of another entity.
Method and system for a dual conversion uninterruptible power supply
A method and system for an uninterruptible power supply (UPS) are provided. The UPS includes a three-phase high power transformer, an active or passive-rectifier configured to generate and regulate a set of DC link voltages, and a set of cascaded inverters configured to generate an AC voltage using the DC link voltages. The UPS also includes a set of bi-directional battery converters configured to charge a bank of backup batteries when power is available from an AC mains source and discharge the bank of backup batteries to generate a three-phase AC voltage when the AC mains source voltage falls outside a predetermined range. The UPS further includes a bypass switch configured to electrically couple the AC mains source directly to a load when the UPS is in a bypass mode of operation and electrically couple the bank of backup batteries to the load through the set of bi-directional battery converters and the transformer.
Power system for actively maintaining operation
A power system for actively maintaining operation includes a power supply unit electrically connected to a commercial power source, a back panel electrically connected to the power supply unit and an ON/OFF control unit. The power supply unit has an OFF state and an operating state to convert the power provided by the commercial power source for outputting. The back panel converges the output of the power supply unit and provides a driving power. The ON/OFF control unit has an input detection terminal electrically connected to the commercial power source to detect whether the commercial power source supplies power and at least one operation signal terminal to output an operation signal upon judging that the commercial power source supplies power to drive the power supply unit to enter the operating state.
Mobile device wireless charging system
A wireless charging system for charging a mobile device uses a supercapacitor to provide wireless charging of the device. A holographic image of the supercapacitor may store electrical charge which may be released for storage into the battery of the device.
Method and apparatus for avoiding noise in non-contact charging system
A wireless charging method in a wireless charging system is provided. In the method, wireless charging is performed by providing wireless charging power to a charging circuit. When both a first communication signal and a second communication signal are detected while the wireless charging is performed, the wireless charging power is isolated from the charging circuit. The wireless charging power is isolated so that noise included in the wireless charging power is not provided to the charging circuit.
Buck/boost circuit that charges and discharges multi-cell batteries of a power bank device
A power bank device has a single circuit topology involving a DC-to-DC converter and four transistors so that this single topology can be used both to charge battery cells with a regulated current in a charging step-up boost mode and to drive a regulated voltage onto a power bank voltage output node in a discharging step-down buck mode. In one example, the circuit includes a first transistor coupled to conduct current between a battery voltage node and a switch node SW, a second transistor coupled to conduct current between the SW node and a ground node, and third and fourth transistors coupled in series to conduct current between a voltage input node and the voltage output node. The inductor of the converter is coupled between the SW node and the voltage output node, and the output capacitor of the converter is coupled between the voltage output node and the ground node.
Battery pack circuits are provided. In one embodiment, the invention relates to a battery pack including a rechargeable battery including a first battery terminal and a second battery terminal coupled to a common terminal, a discharge control switch coupled between the first battery terminal and a first discharging terminal, a charge control switch coupled between the first discharging terminal and a first charging terminal, wherein the battery pack is configured to provide a current to a load coupled between the first discharging terminal and the common terminal, and a processing circuitry configured to charge and discharge the battery by controlling the discharge control switch and the charge control switch.
Technique for supplying power to a load via voltage control and current control modes of operation
A regulator draws power from a battery or power delivery system and supplies regulated power to a load according to alternating modes of operation. In a voltage control mode, the regulator supplies power with a nominal voltage level and a fluctuating current level that is allowed to float according to the current demands of the load. When the load demands an amount of current that could potentially cause damage, the regulator transitions to a current control mode. In the current control mode, the regulator supplies power with a fluctuating voltage level and a maximum current level. The regulator transitions between voltage control mode and current control mode in order to supply a maximum power level to the load without exceeding the maximum current level. The regulator is also configured to limit the power drawn from the battery by decreasing the maximum output current, potentially avoiding voltage droop.
Mobile electronic system and charging accessory
A mobile electronic system including a mobile electronic device and a charging accessory is provided. The mobile electronic device includes a first connector and a battery. The charging accessory includes a second connector. The first connector and the second connector are configured to couple the mobile electronic device and the charging accessory. When the charging accessory is coupled to an alternating-current voltage and the mobile electronic device, the charging accessory converts the alternating-current voltage into a direct-current voltage, detects an instantaneous voltage of the battery, determines the value of the direct-current voltage according to the instantaneous voltage, and outputs the direct-current voltage to charge the battery.
Hierarchical system for controlling a battery of electrical energy storage devices
The solution relates to the field of electrical engineering and can be used for producing high-voltage batteries of electrical energy storage devices for transport and power engineering requirements. What is proposed is: a hierarchial three-level system for controlling a battery of electrical energy storage devices, in which a lower control level is completely integrated with each storage device and comprises a transformer balancing circuit which makes it possible in a controlled manner to transmit energy from any storage device and back again into a DC main storage circuit which is open for the battery and thereby to selectively redistribute the energy between the storage devices independently of the location of said storage devices under the control of control units for all three levels, wherein a control unit for controlling a module of storage devices in the medium control level additionally solves the problem of thermal regulation of the battery, and a unit for controlling the battery in the upper control level solves the problems of the storage of statistical data and performing the functions of an electronic archive of events, expert analysis for diagnostics of battery cells, evaluation of residual service life and optimization of the charge from an on-board charger depending on the status of the storage devices and external conditions, as well as ensuring tolerance to the type of electrical energy storage devices.
Cathode composite material synthesis having high energy density for lithium secondary battery for electric vehicle and electrode manufacturing technology thereof
The present invention relates to the manufacture of a high capacity electrode by synthesizing an excellent Li2MnO3-based composite material Li(LixNiyCozMnwO2) to improve the characteristics of an inactive Li2MnO3 material with a specific capacity of about 460 mAh/g. Here, a manufacturing method of a cathode material for a lithium secondary battery uses a Li2MnO3-based composite material Li(LixNiyCozMnwO2) by reacting a starting material wherein a nickel nitrate solution, a manganese nitrate solution and a cobalt nitrate solution are mixed, with a complex agent by co-precipitation.
Energy storage device, and server and method for controlling the same
Energy storage devices, servers, and methods for controlling the same are disclosed. The energy storage device can include at least one battery pack, a network interface configured to exchange data with a server, and a connector that receives alternating current (AC) power from an internal power network or outputs AC power to the internal power network. Energy storage device can also include a power converter configured to convert the AC power from the internal power network into direct current (DC) power based on the information about the power to store when information about power to store is received from the server, or, convert DC power stored in the battery pack into AC power based on the information about the power to output when information about power to output to the internal power network is received from the server. Accordingly, energy may be more efficiently stored.
Power oscillation damping employing a full or partial conversion wind turbine
A wind turbine (8) for controlling power oscillations on a grid of a power system (28). The wind turbine (8) comprises rotor blades (12) for turning by the wind, an electric generator (20) rotatably coupled to the rotor blades (12), a power converter (24) responsive to electricity generated by the electric generator (20), the power converter (24) for converting the generated electricity to a frequency and voltage suitable for supply to the power grid (28), and the power converter for regulating voltage on the grid supplemented by modulating real power for damping the power oscillations.
Current-limiting battery usage within a corded electronic device
This disclosure describes techniques for operating a corded electronic device in which a battery and a power control unit manage power draw from an external power source electrically coupled to the corded electronic device using a physical cord, such as a universal serial bus (USB) cable. The power control unit automatically supplements an electrical current continuously drawn by the corded electronic device from the external power source with an electrical current from the battery, when needed. Moreover, the power control unit operates to limit the current drawn from the external power source and the physical cord so as to ensure the current does not exceed any limitations or requirements associated with the external power source or the physical cord.
Battery system having identifiers and energy storage system including the same
A battery system includes at least one battery unit, and a first battery management system that is operable to control the at least one battery unit. The first battery management system includes a first identification setup that is manually adjustable and is visible on an outside of the first battery management system, and the first battery management system is enabled to effect communication based on the first identification setup.
Overcurrent protection device and overcurrent protection method for electronic modules
Overcurrent protection devices and methods for electronic modules. In some embodiments, an overcurrent protection system can be implemented for an electronic circuit. The system can include a detection unit configured to detect an overcurrent condition associated with the electronic circuit and generate an overcurrent signal indicative of the overcurrent condition. The system can further include a consumption system in communication with the detection unit. The consumption system can be configured to consume and thereby reduce a current in a path associated with the electronic circuit upon receipt of the overcurrent signal. The consumption system can be further configured to not consume the current when the overcurrent signal ceases.
Power cord apparatus for remotely detecting excessive operational parameters in an electrically powered machine
A power cord apparatus for remotely detecting excessive operational parameters in an alternating current (AC) powered machine (e.g., dehumidifiers, air conditioners, refrigerators, and Computer Numerically Controlled (CNC) machines) is provided. The power cord apparatus includes a cooperative remote parametric sensing device (e.g., heat sensing, vibration transducer) in the vicinity of the electrically powered machine.
Mounting plate and security device using the same
A mounting plate and a security device using the same are provided. The mounting plate is for being fixed to a surface, wherein a mounting device is hanged up on the mounting plate, and the mounting plate comprises a first conductive sheet and a second conductive sheet electrically connected to a first electrode of an exterior power and a second electrode of the exterior power respectively. When the mounting device is hanged up on the mounting plate, the exterior power is electrically connected to the mounting device through the first conductive sheet and the second conductive sheet.
Laser welding a feedthrough
One aspect is a method of coupling an insulator to a surrounding ferrule in an implantable medical device. An insulator is provided having a plurality of conducting elements extending therethrough. The insulator is placed with conducting elements within a ferrule having a frame-like shape surrounding the insulator along an interface. The insulator is heated with a first laser until raising the temperature of insulator to a first temperature level. The ferrule is welded to the insulator along the interface with a second laser once the insulator has reached the first temperature.
Ion generator mounting device
The present invention provides methods and systems for an ion generator mounting device for application of bipolar ionization to airflow within a conduit, the device includes a housing for mounting to the conduit having an internal panel within the enclosure, and an arm extending from the housing for extension into the conduit and containing at least one opening. At least one coupling for mounting an ion generator to the arm oriented with an axis extending between a pair of electrodes of the ion generator being generally perpendicular to a flow direction of the airflow within the conduit.
Plasma jet spark plug
A plasma jet plug has a cavity defined by a surface of a center electrode, an inner surface of an insulator, and a surface of a ground electrode. When a volume of a portion of the cavity on a front side of a front portion of the center electrode is a first volume V1 and a volume of a portion of the cavity on a rear side of the front end of the center electrode is a second volume V2, the following expression is satisfied: V1/V2≧0.20.
Optoelectronic semiconductor body and method for producing an optoelectronic semiconductor body
An optoelectronic semiconductor body has a substrate that includes a strained layer that is applied to the substrate in a first epitaxy step. The strained layer includes at least one recess formed vertically in the strained layer. In a second epitaxy step, a further layer applied to the strained layer. The further layer fills the at least one recess and covers the strained layer at least in some areas.
Light coupling device and methods of forming same
An embodiment is a semiconductor device comprising an optical device over a first substrate, a vertical waveguide on a top surface of the optical device, the vertical waveguide having a first refractive index, and a capping layer over the vertical waveguide, the capping layer configured to be a lens for the vertical waveguide and the capping layer having a second refractive index.
Semiconductor external cavity laser with integrated planar waveguide bragg grating and wide-bandwidth frequency modulation
The present disclosure describes semiconductor external cavity laser with wide bandwidth frequency modulation capabilities. The laser is preferably packaged in a standard form-factor package, such as a 14-pin butterfly package. The front end of the cavity comprises an integrated planar circuit (e.g., silica-on-silicon planar lightwave circuit with Bragg gratings), and the “back facet” of the laser is implemented as a high-reflection (HR) coated LiNbO3 phase tuning section in the double pass configuration. AC-voltage signal applied to the electrodes of phase tuning section modulates a refractive index of the propagating TE-polarization mode of external cavity and produces frequency modulation. Such frequency modulation is not associated with any thermal behavior of the gain element included in the external cavity laser, and has a negligible phase delay over a wide bandwidth.
Laser crystal components joined with thermal management devices
A method for preparing a surface of a YAG crystal for thermal bonding includes performing an ion implantation process to introduce nitrogen into a surface layer of the YAG crystal to replace depleted oxygen therein, to change surface energy of the surface layer of the YAG crystal and to provide desired bonding characteristics for the surface layer; and joining the ion implanted surface layer with a thermal management device configured to dissipate heat from the YAG crystal. Also, a micro-chip device having a YAG crystal whose surface is prepared with the above disclosed method is provided and a device for forming a metallization pattern on a surface of the YAG crystal is provided.
Optical amplifier, wavelength multiplexing optical transmission system, and program
When multiplexed signal lights are amplified by optical amplifiers, a value of a monitor signal is compared with a threshold equivalent to a value of the monitor signal when noise indexes of the multiplexed signal lights start increasing. Next, when the value of the monitor signal is equal to or larger than the threshold, that is, when the powers of the multiplexed signal lights are large, a gain constant control is performed to amplify the multiplexed signal lights. Conversely, when the value of the monitor signal is smaller than the threshold, that is, when the powers of the multiplexed signal lights are small, an output constant control is performed to amplify the multiplexed signal lights.
Method and apparatus for locking and scanning the output frequency from a laser cavity
A tunable reference cavity (3) with two independently controllable mirrors (15, 16) is disclosed. The mirrors are mounted on respective piezoelectric crystals (18, 19) so that thermal expansion of the piezoelectric crystals moves the cavity mirrors in the same direction along a longitudinal axis of the reference cavity thereby reducing a change of the cavity length. Also disclosed is a system for locking and scanning the output of a laser cavity (2). An error signal is generated between an output of the laser cavity (28) and the transmission (28) of the laser through the external reference cavity (3). A dual piezo-actuated mirror (6b) permits processing of the error signal (26) with separate signal processing circuits (29a, 29b) used to provide an electrical feedback signal to the dual piezoelectric crystal (22, 23b).
Light bulb receptacles and light bulb sockets
Light bulb receptacles and light bulb sockets are described. According to one aspect, a light bulb receptacle includes a housing which defines a housing chamber, a light bulb socket within the housing chamber and which comprises a first end and a second end about a light bulb chamber which is configured to receive a base of a light bulb, wherein the light bulb socket further comprises a plurality of fingers which extend outwardly from the first end toward the second end and define an opening to the light bulb chamber at the second end, wherein the fingers are individually configured to move outwardly from the light bulb chamber during insertion and removal of the light bulb via the opening to the light bulb chamber, and wherein the fingers individually comprise an engagement member configured to engage a base of the light bulb received within the light bulb chamber and to retain the light bulb received within the light bulb chamber.
Expandable power adaptor
The expandable power adaptor contains a first casing member, a second casing member, a circuit assembly, and at least a metallic connector. The first casing member has a first coupling element set. The second casing member has a second coupling element set. The first and second casing members are joined to form an enclosed accommodation space. The circuit assembly and the metallic connectors electrically connected to the circuit assembly are configured in the accommodation space. To assembly, the first lower piece and the second lower piece are joined to form a complete lower piece. Then the circuit assembly and the metallic connectors are configured on the complete lower piece, and the first and second upper pieces are vertically joined to the first and second lower pieces. Additional casing members can be integrated between the first and second casing members so as to achieve the desired number of outlets.
Multi-access RJ45 adaptor
A multi-access RJ45 adaptor is provided, which includes an RJ45 plug, at least two RJ45 sockets, and a mobile piece that can move between the at least two RJ45 sockets. The mobile piece is configured to allow insertion of an RJ45 plug into any of the RJ45 sockets and simultaneously to prevent the insertion of another RJ45 plug into the other of the RJ45 sockets.
Cable connector assembly and method for making the same
A cable connector assembly includes a plug portion, a cable electrically connected with the plug portion and an insulative shell covering a part of the plug portion and the cable. The plug portion defines an insulative housing and a plurality of conductive terminals received in the insulative housing and arranged in two rows spaced apart from each other in a vertical direction, the conductive terminals including a plurality of detecting terminals, a plurality of signal terminals and a plurality of first terminals. The cable has a plurality of core wires. The plug portion further includes a connecting member for the first terminals shorted, the connecting member makes the first terminals shorted together so as to the first terminals are just soldered with a core wire of the cable.
An electrical connector includes connecting members arranged in an arrangement direction; and a housing member for accommodating the connecting members. The connecting member includes a terminal connected to the mating connector, and a holding member for holding the terminal. The terminals includes a connecting portion at one end in a longitudinal direction for connecting to a circuit portion of the circuit board, a contact portion at the other end in the longitudinal direction for contacting with a mating contact of the mating connector, and a held portion near the connecting portion in the longitudinal direction and held with the holding member. The housing member is be movable linearly or rotatable relative to the holding member. The housing member includes a guiding surface for guiding the mating terminal. The terminal includes a deformable portion opposite to the connecting portion. The deformable portion deforms when the guiding surface guides the mating terminal.
USB connector having a tongue with a plurality of contacts on its upper and lower sides symmetrically and reversely arranged
A universal serial bus (USB) connector includes a case, an insulation tongue, a plurality of spaced electric conduction bars installed to the insulation tongue, a resilient supporting pole connected between the insulation tongue and the case, and two rows of electric coupling pins respectively located above and below the insulation tongue. The electric conduction bars are spaced in a horizontal direction of the insulation tongue. The top surface of each electric conduction bar faces the corresponding electric coupling pin locating above the insulation tongue, and the bottom surface of each electric conduction bar faces the corresponding electric coupling pin locating below the insulation tongue. The electric coupling pins locating above the insulation tongue and the electric coupling pins locating below the insulation tongue are reversely and symmetrically arranged by type.
Micro plug and keyed micro receptacle
The present patent application inter alia relates to a micro plug and a modified standard micro receptacle. The modified standard micro receptacle comprises a housing, at least two contact terminals attached to a surface of a bar of the housing, a shield attached to the housing and at least partially laterally enclosing the at least two contact terminals and the bar of the housing, and at least one projection configured to be received in a recess of a corresponding micro plug when the micro plug is correctly inserted into the modified standard micro receptacle. Therein, the at least one projection is further configured to hinder an insertion of a standard micro plug into the modified standard micro receptacle.
Locking mechanism for plug-in connectors
The invention relates to a locking mechanism for plug-in connectors with a mating connector. Such a locking mechanism has two types of locking means, a primary locking element that is suitable for locking the mating connector and a secondary locking element that is suitable for mutually locking with the primary locking element. In doing so, the secondary locking element locks the primary one in the locked state of the locking mechanism and the primary locking element locks the secondary one in the unlocked state. By contacting the mating connector, the mechanism is automatically locked and is unlocked by actuating the secondary locking element which is implemented as an actuator.
Plug-type connector arrangement and detachment element therefor
A plug-type connector arrangement comprising a plug-type connector and an opposing plug-type connector, which each have an insulating housing and plug-type contact elements in the insulating housing and are designed for plugging together and for making electrical contact with assigned plug-type contact elements in the plugged-together state, is described. The opposing plug-type connector has at least one latching lug. The plug-type connector has at least one latching element, which is designed so as to interact with the latching lug in the plugged-together state so as to fasten the plug-type connector on the opposing plug-type connector. At least one detachment element provided for unlocking the latching lug is arranged displaceably on the plug-type connector. The detachment element has an actuating member, which has a first actuating section, which is connected to the detachment element, and a second actuating section, which is mounted movably relative to the first actuating section and interacts with the plug-type connector. The first actuating section and the second actuating section form a toggle-lever mechanism for displacing the detachment element in the event of the action of force on the actuating member.
The present invention provides an electrical raft comprising a rigid material having multiple electrical conductors embedded therein. The electrical raft comprises an electrical connector having a first set of electrical contacts connected to at least one of the electrical conductors, a second set of electrical contacts for electrical connection to another component, and a housing having a first end and a second end. The first set of electrical contacts is at the first end and the second set of electrical contacts is at the second end. The first end of the housing is at least partly embedded in the rigid material, and the second end of the housing is accessible from outside the electrical raft, allowing the electrical raft to be electrically connected to said other component. The electrical connector has a back-shell which sealingly encloses the first end of the housing to prevent ingress of contaminants into the connector.
A USB device is disclosed, comprising an external housing including an accommodating space, wherein a top surface of the external housing has a through hole. A main body is disposed in the accommodating space, wherein the main body slides along a direction. A first elastic component presses against the external housing and the main body. A positioning component is perpendicular the sliding direction of the main body and disposed in the through hole.
A card connector for receiving an electrical card is disclosed having a base and a plurality of contacts. The plurality of contacts is positioned on the base. Each contact has a support member with two elastic arms extending away from the base. Each elastic arm has an edge that intersects together at a vertex that is elastically flexible toward and away from the base. Each contact further includes a contact element positioned at the vertex.
Hazard detector electrical connector for easy user manipulation and atmospheric isolation
An electrical connector for a hazard detector includes a socket body that includes four lateral walls, a rear wall, a catch feature and a catch support; the lateral walls adjoin one another and the rear wall, continuously and airtightly along edges thereof. The catch support adjoins two of the lateral walls along edges of the catch support to define a catch cavity and a plug cavity on opposing sides of the catch support. A first side of the rear wall faces the plug cavity and a second side bounds a rear surface of the socket body. The catch feature couples with the catch support. Electrical pins pass through the rear wall of the socket body such that one end of each of the pins is within the plug cavity, and an opposing end of each of the pins extends away from the rear surface of the socket body.
Configurable horn antenna
A configurable antenna may include a circular horn array comprising a plurality of horn antennas, a configurable waveguide in a center of the circular horn array, and a plurality of actuators. The configurable waveguide includes a plurality of retractable triangular wedges, with one side of each wedge oriented to one of the plurality of horn antenna and a corner oriented toward a center of the waveguide, wherein a circle defined by each of the corners oriented toward the center of the waveguide defines a first circumference. The configurable waveguide further includes a plurality of movable tuning rods arranged in a circle defining a second circumference, the second circumference being smaller than the first circumference, said movable tuning rods further arranged such that the movable tuning rods are between the corners the corners oriented toward the center of the waveguide.
Dual-band multiple beam reflector antenna for broadband satellites
A broadband satellite antenna for producing a dual-band multiple beam coverage in transmission and reception based on an offset dual-optics configuration that includes a single main parabolic reflector, a hyperbolic sub-reflector, a first transmitting Multiple-Feed-per-Beam feed system, and a second receiving Multiple-Feed-per-Beam feed system. The sub-reflector surface is a Frequency Selective Surface configured to transmit any electromagnetic signals in the higher frequency band and to reflect any electromagnetic signals in the lower frequency band. The Multiple-Feed-per-Beam feed systems are located at the main focal point FMO and at the first sub-reflector real focal point FSreal. The eccentricity e of the hyperbolic sub-reflector depends on a ratio between a preset lower frequency fL in the lower frequency band BL and a preset higher frequency fH in the higher frequency band BH. The first transmitting Multiple-Feed-per-Beam feed system and the second receiving Multiple-Feed-per-Beam feed system are geometrical scaled versions of each other.
Multi-band compact printed circuit antenna for WLAN use
A printed circuit tri-band antenna has a feedline region and a radiating structure region which provides RF emissions in a lowband (LB) RF frequency, a lower highband (HB-L) frequency, and a upper highband (HB-U) frequency. The feedline region is formed of conductors on an upper plane, the conductors including a feedline which is edge coupled to left and right ground structures. The feedline couples directly to a HB-U radiating structure, and includes a stub. The HB-U structure and stub also provide edge coupling through a gap for coupling RF into a combined HB-L and LB radiation structure, which provides frequency-dependent paths for radiating RF energy at the HB-L and LB frequencies. The antenna is preferably used with 2.35 Ghz LB, 5.07 GHz HB-L, and 5.57 Ghz HB-H.
Multi-chip module architecture
Electronically scanned arrays and multi-chip modules (MCMs) that may be used in such arrays are provided. One MCM may include a set of one or more first semiconductor components and a plurality of second semiconductor components. The first semiconductor component set is coupled to the plurality of second semiconductor components, and the first semiconductor component set is configured to control the plurality of second semiconductor components. Each of the plurality of second semiconductor components is accessible through a plurality of data strings providing communication between the first semiconductor component set and the plurality of second semiconductor components, each data string defining a unique path between the first semiconductor component set and the plurality of second semiconductor components, such that the plurality of data strings provide redundant data paths between the first semiconductor component set and the plurality of second semiconductor components.
Methods and apparatus for selecting a communication node by exchanging messages
A system that incorporates the subject disclosure may include, for example, a circuit for receiving bandwidth utilization information associated with each of a plurality of communication nodes, and initiating communications with a communication node selected from the plurality of communication nodes according to a comparison of the bandwidth utilization information and a measure of quality of a communication link of each of the plurality of communication nodes. Other embodiments are disclosed.
An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.
Omni-directional antenna for a cylindrical body
An antenna for a cylindrical body may include a flexible substrate with the antenna on it with a first terminal and a second terminal electrically connected to an integrated circuit, the flexible substrate coupled to the cylindrical body.
An in-vehicle system has a first transmitting antenna that is disposed in a substantial center in a front portion inside a vehicle, a second transmitting antenna that is disposed in the substantial center in a rear portion inside the vehicle, a third transmitting antenna that is disposed in a side surface near a driver seat or a passenger seat of the vehicle, a transmission controller that controls transmission of a first signal or a second signal from the first to third transmitting antennas, the second signal disturbing reception of the first signal, and a receiving antenna that receives a response signal, the response signal being transmitted from a portable device receiving the first signal transmitted from the first to third transmitting antennas.
Antenna system and method of assembly for a wearable electronic device
An antenna system for a wearable electronic device includes a first conductive surface constructed from a segment of outer housing of the wearable electronic device. The first conductive surface spans a first axis through the wearable electronic device. The antenna system also includes a second conductive surface that spans the first axis. The second conductive surface is constructed from a set of contacting metal components that are internal to the wearable electronic device. The first and second conductive surfaces are separated by a space. The antenna system also has a contact element having a feeding element that connects the first conductive surface to the second conductive surface along a plane that is normal to the first conductive surface.
Lithium air batteries having ether-based electrolytes
A lithium-air battery includes a cathode including a porous active carbon material, a separator, an anode including lithium, and an electrolyte including a lithium salt and polyalkylene glycol ether, where the porous active carbon material is free of a metal-based catalyst.
Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
In an aspect, an electrolyte that includes a lithium salt, an organic solvent, and an additive is disclosed.
A secondary battery includes: a case; and an electrode assembly accommodated in the case and including a positive electrode plate, a negative electrode plate, and a separator between the positive and negative electrode plates. At least one of the positive and negative electrode plates includes: a first sub-electrode plate including a first coating surface coated with an active material and a first non-coating surface facing oppositely away from the first coating surface and not coated with the active material; and a second sub-electrode plate including a second coating surface coated with an active material and a second non-coating surface facing oppositely away from the second coating surface and not coated with the active material. The first non-coating surface of the first sub-electrode plate faces the second non-coating surface of the second sub-electrode plate to allow the first and the second sub-electrode plates to slip relative to each other.
Multi-stack electrochemical cell system and method of use
An electrochemical cell stack system may include a plurality of cell stacks fluidly connected by a plurality of first conduits to form a loop of cell stacks. At least one first valve may be located on each first conduit and may be capable of a closed configuration and an open configuration. Each of the cell stacks may have an input end for receiving a first fluid and an output end for discharging a second fluid. The system may deliver the first fluid from the fluid source to the input end of a first cell stack of the plurality of cell stacks via a first input line of a plurality of input lines and may receive the second fluid from the output end of a second cell stack of the plurality of cell stacks via a first output line of a plurality of output lines.
Methods of installing cell stack assemblies
A fuel cell installation includes a support structure and a cell stack assembly that is removably insertable into the support structure from an uninstalled position to an installed position during an installation procedure. The cell stack assembly includes a fitting. An interfacing structure is mounted on one of the support structure in the cell stack assembly. The interfacing structure carries a connector that is configured to receive the fitting in interconnected relationship. At least one of the fitting and the connector floats in a plane relative to the support structure during the installation procedure. In operation, the fitting engages the connector when the cell stack assembly is inserted into the support structure. The fitting is repositioned relative to the connector to ensure that the fitting and connector are aligned with one another and connected upon installation. Related methods are disclosed.
Spirally wound microbial fuel cell
A bacterial fuel cell including at least one anode and at least two cathodes in liquid communication with a liquid to be treated, the at least one anode being separated from the at least two cathodes by at least first and second electrically insulating spacers and the at least one anode and the at least two cathodes being electrically connected across an external load and the at least one anode and the at least two cathodes being wound together generally in a spiral configuration together with at least a third electrically insulating spacer.
Method and arrangement to control operating conditions in fuel cell device
An exemplary arrangement and method for controlling operating conditions of a fuel cell device are disclosed. The fuel cell device having plural fuel cells, each including an anode side, a cathode side, an electrolyte between the anode side and the cathode side, and being arranted in a stack. The control arrangement includes at least one controllable electrical heater configured to produce controllable heat quantities, at least two controllers that control fuel cell quantities including at least a portion of air flowing to the fuel cells and heat applied to the stack environment. The controllable heat quantities and controllable fuel cell quantities are controlled to meet a target value. The fuel cell device includes a low level high speed controller configured to control at least one controllable electrical heater to operate the heater as a buffer for excess energy of the fuel cell device.
Solid oxide fuel cell and method for producing the same
Provided is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support comprises forsterite and a nickel element. Ni and/or NiO fine particles are exposed on a surface of a sintered compact of the forsterite constituting the porous support.
Iron electrode employing a polyvinyl alcohol binder
The present invention provides one with an iron electrode employing a binder comprised of polyvinyl alcohol (PVA) binder. In one embodiment, the invention comprises an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder, wherein the binder is PVA. This iron based electrode is useful in alkaline rechargeable batteries, particularly as a negative electrode in a Ni—Fe battery.
Cathode active material, cathode including the cathode active material, and sodium secondary battery including the cathode
A cathode active material including a composite transition metal oxide including: sodium; a first transition metal; and a second transition metal, wherein the composite transition metal oxide has a first diffraction peak corresponding to a Miller index of (003) and derived from a layered rock salt structure, and a second diffraction peak corresponding to a Miller index of (104) and derived from a cubic rock salt structure in an X-ray powder diffraction (XRD) pattern, wherein an intensity ratio (I1/I2) of the first diffraction peak to the second diffraction peak is about 7 or greater.
Negative electrode active material for nonaqueous electrolyte secondary batteries
In order to propose a new negative electrode for nonaqueous electrolyte secondary batteries having excellent dispersibility even with a negative electrode active material having a relatively small particle size, there is proposed a negative electrode active material for nonaqueous electrolyte secondary batteries, the negative electrode active material containing silicon and having negative electrode active material particles that have a D50 based on a volume-based particle size distribution obtainable by measurement by a laser diffraction scattering type particle size distribution analysis method, of 0.1 μm to 5.0 μm, and include a surface layer containing oxygen, silicon and carbon on the entire surface or a portion of the active material surface.
Rechargeable lithium battery
In an aspect, a rechargeable lithium battery including a negative electrode including a silicon-based negative active material is disclosed.
Positive active material for lithium secondary battery, precursor of positive active material, electrode for lithium secondary battery and lithium secondary battery
Provided is a positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an α-NaFeO2-type crystal structure and represented by the composition formula of Li1+αMe1−αO2 (Me is a transition metal including Co, Ni and Mn and α>0). The positive active material contains Na in an amount of 900 ppm or more and 16000 ppm or less, or K in an amount of 1200 ppm or more and 18000 ppm or less.
Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing compounds
Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant solution to thereby create an oxidized surface. The resulting iron electrode is thereby preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material.
Electrode assembly, and rechargeable battery
An electrode assembly includes an electrode stack that includes a positive electrode, a negative electrode, and a separator, the separator being interposed between the positive electrode and the negative electrode, a positive electrode tab projecting from an edge of the electrode stack, and a negative electrode tab projecting from an edge of the electrode stack. The electrode stack may have a height direction, a width direction, and a thickness direction, the thickness direction being substantially perpendicular to a plane that includes the height and width directions, the electrode stack having a first thickness in the thickness direction at a first location corresponding to at least one of the positive and negative electrode tabs, the electrode stack having a second thickness in the thickness direction at a second location peripheral to the first location, the first thickness being greater than the second thickness.
Device and method for electrochemical device electrical interconnection
An electrochemical energy device includes a device housing and a pass-through connector extending through a wall of the device housing. The pass-through connector may include an electrically insulating connector housing having a quick connect feature and an electrically conductive pin located in the connector housing.
Polarity protection for multiple batteries
Battery carriages are provided herein that interface with batteries in the correct polarization, regardless of the orientation in which the batteries are inserted in the battery carriages. Such battery carriages may be advantageously used with any device that uses batteries. Such a device may include two or more battery carriages, wherein each of the battery carriages includes first and second dual-contact assemblies disposed on a substrate. Each of the two dual-contact assemblies may have a positive contact and a negative contact. The positive contacts may each be configured to contact a positive terminal of a battery and to be connected to a positive circuit connection, and the negative contacts may each be configured to contact a negative terminal of a battery and to be connected to a negative circuit connection.
Lithium air battery having a cross-linked polysiloxane separator
A lithium-air battery includes a lithium anode; an air cathode; and a separator between the lithium anode and an air cathode the separator including a cross-linked polysiloxane.
Electrode assembly and secondary battery using the same
An electrode assembly includes a porous polymer layer, a conductive layer on each of a first and a second surface of the porous polymer layer, and an active material layer on each of the first and second surfaces of the porous polymer layer.
Method for producing resin film for non-aqueous electrolyte secondary battery and resin film for non-aqueous electrolyte secondary battery
An object of the present invention is to provide a method for producing a resin film for a non-aqueous electrolyte secondary battery that does not inhibit the movement of ions such as lithium ions and that is arranged between a separator and a positive or negative electrode; and a resin film for a non-aqueous electrolyte secondary battery obtained by the production method. The method for producing a resin film for a non-aqueous electrolyte secondary battery comprises the steps of: coating a separator with a resin composition containing a solvent and a vinylidene fluoride copolymer obtained by copolymerizing vinylidene fluoride and a compound represented by formula (1) below (coating step); and drying the separator on which the resin composition has been coated (drying step). In formula (1), R1, R2, and R3 are each independently hydrogen atoms, chlorine atoms, or alkyl groups having from 1 to 5 carbons; and X′ is an atomic group having a molecular weight of 472 or less and having a main chain configured from 1 to 19 atoms.
A display device related to one embodiment of the present invention includes a first substrate arranged with a plurality of pixels in the shape of a matrix, an insulation film arranged above the first substrate, a first electrode arranged above the insulation film, a second electrode arranged on an upper layer of the first electrode, and an organic EL layer arranged between the first electrode and the second electrode, wherein the insulation film includes a plurality of concave parts arranged corresponding to each of the plurality of pixels on the side of the first electrode, the first electrode, the organic EL layer and the second electrode are stacked in order above the insulation film and the concave part, and the an insulation layer is covering an end part of the first electrode arranged above the concave part is arranged on an interface part sectioning each of the plurality of pixels.
Organic light emitting display device and method of manufacturing the same
An organic light emitting display (OLED) device includes a substrate, a plurality of first electrodes, a plurality of light emitting layers, a second electrode, a power supply line, a third electrode, and an encapsulation member. The third electrode that is formed on the power supply line and the second electrode that is formed on the light emitting layers extend to a contact region that is in a peripheral region of the substrate. The third electrode and the second electrodes have an uneven pattern in the contact region.
Organic light-emitting display apparatus and method of manufacturing the same
In an aspect, an organic light-emitting display apparatus including: a substrate; at least one color filter formed on the substrate; an overcoat layer covering the at least one color filter; a first passivation layer formed on the overcoat layer; a light scattering layer formed on the first passivation layer; a first electrode formed on the light scattering layer; a second electrode facing the first electrode; and an organic layer located between the first and second electrodes is provided.
Organic light emitting display
An organic light emitting display includes a first substrate comprising a major surface, and a pixel array formed over the major surface of the first substrate. The pixel array comprises a plurality of pixels formed over the first substrate and a plurality of spacers arranged over the first substrate. Each pixel comprises a first electrode and an organic emission layer formed over the first electrode. The pixel array provides a plurality of recesses and a plurality of bumps, and the plurality of recesses correspond to the first electrodes of the plurality of pixels and the plurality of bumps corresponds to the plurality of spacers. When viewing the pixel array from the top in a first direction perpendicular to the major surface, each spacer is interposed between two immediately neighboring recesses and a row of spacers are arranged along a first axis, and each recess has a first width taken along the first axis and a second width taken along a second axis parallel to the first axis, the first width being smaller than the second width.
Electro-optical device stack, having patches covering layer breaches
A method of manufacturing an electro-optical device stack (10) includes providing a multi-layered structure comprising an electro-optical layer (13) that contacts a charge injection layer (12) comprising an acidic compound (12m). A resist layer (14) is deposited onto the electro-optical layer (13) and comprises a cationically-crosslinkable resist material (14m) that reacts adjacent breaches (12′,13′) in the electro-optical layer (13) by a cross-linking reaction. This reaction is induced by protons (12p) from the charge injection layer (12) and results in covering of the breaches (12′,13′) with patches (14p) comprising cross-linked resist material (14c). Parts of the resist material (14m) that have not cross-linked are removed, whereas the remaining patches (14p) provide electrical insulation between the charge injection layer (12) and a layer subsequently deposited onto the electro-optical layer (13).
Light emitting element, light emitting device, display apparatus, and electronic equipment having a light emitting layer with host and assist dopant materials with different electron and hole transportation properties
A light emitting element has a cathode, an anode, and a light emitting layer (light emitting section) which is provided between the cathode and the anode and emits light by a driving voltage being applied thereto, in which the light emitting section is configured to include a light emitting material, a host material which holds the light emitting material, and an assist dopant material, one of the host material and the assist dopant material is a material with a high electron transportation property, the other is a material with a high hole transportation property, and when a mobility of holes is μh and a motility of electrons is μe in the light emitting layer, a mobility ratio which is represented by μe/μh satisfies a relationship of formula (I) below. 0.01≦μe/μh≦100 (I)
Organic light-emitting diode comprising amine-based compounds and pyrene-based compounds
An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer. The organic layer also includes at least one amine-based compound and at least one pyrene-based compound. The organic layer may include a first emission layer and a second emission layer, and the amine-based compound may be in the first emission layer and the pyrene-based compound may be in the second emission layer.
Anthracene compound, light-emitting element, light-emitting device, electronic appliance, and lighting device
An organic compound having a high T1 level is provided. An element emitting phosphorescence in the blue and green regions is provided. An organic compound having a high glass-transition temperature is provided. A light-emitting element, a light-emitting device, an electronic appliance, or a lighting device having high heat resistance is provided. A light-emitting element includes at least a hole-transport layer, a light-emitting layer, and an electron-transport layer between an anode and a cathode. An anthracene compound represented by General Formula (G1) is contained in at least one of the hole-transport layer, the light-emitting layer, and the electron-transport layer.
Organic light emitting diode device
An organic light emitting diode display including an anode; a cathode facing the anode; and an emission layer between the anode and the cathode, wherein the emission layer includes a compound represented by Chemical Formula 1, below, and a compound represented by Chemical Formula 2, below:
Electron donor-fullerene conjugated molecules for organic photovoltaic cells
A photovoltaic cell has an active area formed electron donor-fullerene conjugated molecules. The electron donor is formed of a polymer, which is conjugated with an electron acceptor, such as fullerene. By conjugating the fullerene, such as C60, with electron donor moieties, such as that of the polymer, double channels are formed therebetween, whereby one channel provides hole transport and the other channel provides electron transport. As a result, the electronic coupling between the fullerene and the electron donor moiety leads to increased short-circuit current density (Jsc) and increased open-circuit voltage (Voc), resulting in high power conversion efficacy (PCE) in the solar cell.
Diketopyrrolopyrrole polymers for use in organic semiconductor devices
The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I) which are characterized in that Ar1 and Ar1′ are independently of each other are an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which may be optionally substituted by one, or more groups, and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.
Electroluminescence device and manufacturing method thereof
Light emitted within an organic EL device is effectively utilized, and a pixel is provided for improving the extraction efficiency of the light. Light extraction is efficiency is improved without increasing a current by effectively utilizing guided wave light which is a cause of the loss of light emitted by an organic EL device. In order to achieve this, a stepped portion is arrange in an insulating layer provided over a lower layer of a first electrode including a light reflecting surface, and a peripheral area of the first electrode is formed so as to contact the stepped portion. The reflecting surface is formed curved towards a second electrode side in the peripheral area of the first electrode from the stepped portion, light guided through the organic EL layer is reflected by the reflecting surface and emitted from the second electrode side.
Magnetic tunnel junctions
Some embodiments include a magnetic tunnel junction which has a conductive first magnetic electrode containing magnetic recording material, a conductive second magnetic electrode spaced from the first electrode and containing magnetic reference material, and a non-magnetic insulator material between the first and second electrodes. The magnetic recording material of the first electrode includes a set having an iridium-containing region between a pair of non-iridium-containing regions. In some embodiments, the non-iridium-containing regions are cobalt-containing regions.
Perpendicular spin transfer torque memory (STTM) device with enhanced stability and method to form same
Perpendicular spin transfer torque memory (STTM) devices with enhanced stability and methods of fabricating perpendicular STTM devices with enhanced stability are described. For example, a material layer stack for a magnetic tunneling junction includes a fixed magnetic layer. A dielectric layer is disposed above the fixed magnetic layer. A free magnetic layer is disposed above the dielectric layer. A conductive oxide material layer is disposed on the free magnetic layer.
Spin transfer torque magnetic memory device using magnetic resonance precession and the spin filtering effect
The present invention relates to a magnetic memory device which additionally comprises a free magnetic layer constituting a horizontal direction variable magnetization layer having a fixed saturation magnetization value, whereby a switching current is markedly reduced as compared with conventional magnetic layers such that a high degree of integration of the device can be achieved and it is possible to lower a critical current density necessary for magnetization reversal thereby reducing the power consumption of the device. Also, a stray field effect occurring from a fixed magnetic layer is reduced such that a written magnetization data is thermally stable.
Fluorosilicone-based dielectric elastomer and method for its production
A dielectric elastomer has a film that contains a fluorinated silicone elastomer and has two faces. A coating of a stretchable electrode material is applied to each one of the two faces. The fluorinated silicone elastomer has a modulus of elasticity of maximally 450 kPa. The fluorinated silicone elastomer is a three-dimensionally crosslinked, fluorinated, alkyl group-containing polysiloxane in combination with a fluorinated silicone oil. Alternatively, or in addition, the fluorinated silicone elastomer is a three-dimensional wide-mesh crosslinked, fluorinated, alkyl-group containing polysiloxane whose wide mesh property has been effected by a chain length extension by addition of a chain-shaped silicone molecule containing two Si—H groups to an alkenyl group-containing polysiloxane molecule.
Actuator module having a multi-layer actuator arranged in a housing and a continuously extremely low leakage current at the actuator surface
The invention relates to actuator module (22) having a piezoceramic multilayer actuator (1) arranged in a casing (23). In order to avoid an increase in conductivity and hence rising leakage current at the actuator surface even after a long period of use, the invention proposes that the casing (23) is hermetically sealed, and a chamber (24) is arranged between the multilayer actuator (1) and the casing (23), which chamber is entirely or partially filled with a medium (21) that chemically transforms and/or binds water.
Multi-layer piezoelectric element, and injection device and fuel injection system provided with the same
There are provided a multi-layer piezoelectric element that is driven stably for a long period of time without developing cracks in a junction between a metallized layer and a lead member or a stacked body, and an injection device and a fuel injection system provided with the same. A multi-layer piezoelectric element includes a stacked body in which piezoelectric layers and internal electrodes are laminated; a metallized layer disposed on a side surface of the stacked body, the metalized layer being electrically connected to the internal electrodes; and an external electrode member disposed on the metallized layer, with an electrically-conductive adhesive layer interposed therebetween, wherein the electrically-conductive adhesive layer has a plurality of voids configured not to open on a surface thereof which surface is in contact with the metallized layer.
N-type thermoelectric material
The n-type thermoelectric material has a composition represented by (AaBbCcDt)Co4-yFeySb12. In the composition, 0≦a≦0.5, 0≦b≦0.7, 0
Dual path thermoelectric energy harvester
A thermoelectric energy harvester comprises a cyclic energy input terminal supplying heat energy in a first part of the cycle to a thermal storage reservoir through a low thermal resistance generator. During a second part of the cycle, the thermal storage reservoir returns stored heat energy to the environment through an independent thermal circuit and a higher thermal resistance thermoelectric generator.
Light emitting device
A light emitting device includes a substrate and a light emitting structure including a first conductive type semiconductor layer, an active layer and a second conductive type semiconductor layer provided in a first direction on the substrate. A first electrode layer is provided over the first conductive type semiconductor layer, and a second electrode layer is provided in a second direction over the second conductive type semiconductor layer. The second electrode layer has an energy band gap wider than an energy band gap of the active layer.
Network of semiconductor structures with fused insulator coating
Networks of semiconductor structures with fused insulator coatings and methods of fabricating networks of semiconductor structures with fused insulator coatings are described. In an example, a semiconductor structure includes an insulator network. A plurality of discrete semiconductor nanocrystals is disposed in the insulator network. Each of the plurality of discrete semiconductor nanocrystals is spaced apart from one another by the insulator network.
Light emitting device and method for manufacturing the same
By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.
Discrete phosphor chips for light-emitting devices and related methods
In accordance with certain embodiments, phosphor chips are formed and subsequently attached to light-emitting elements.
Illumination method and light-emitting device
To provide an illumination method and a light-emitting device which are capable of achieving, under an indoor illumination environment where illuminance is around 5000 lx or lower when performing detailed work and generally around 1500 lx or lower, a color appearance or an object appearance as perceived by a person, will be as natural, vivid, highly visible, and comfortable as though perceived outdoors in a high-illuminance environment, regardless of scores of various color rendition metric. Light emitted from the light-emitting device illuminates an object such that light measured at a position of the object satisfies specific requirements. A feature of the light-emitting device is that light emitted by the light-emitting device in a main radiant direction satisfies specific requirements.
Light emitting structure and mount
In a method according to embodiments of the invention, a light emitting structure comprising a plurality of light emitting diodes (LEDs) is provided. Each LED includes a p-contact and n-contact. A first mount and a second mount are provided. Each mount includes anode pads and cathode pads. The anode pads are aligned with the p-contacts and the cathode pads are aligned with the n-contacts. The method further includes mounting the light emitting structure on one of the first and second mounts. An electrical connection on the first mount between the plurality of LEDs differs from an electrical connection on the second mount between the plurality of LEDs. The first mount is operated at a different voltage than the second mount.
Light-emitting device, light-emitting device package, and light unit
The light-emitting device, according to one embodiment, comprises: a light-emitting structure including a first conductive semiconductor layer, an active layer formed beneath the first conductive semiconductor layer, and a second conductive semiconductor layer formed beneath the active layer; a reflective electrode arranged beneath the light-emitting structure and having a first region beneath the second conductive semiconductor layer and a second region extending from the first region and penetrating through the second conductive semiconductor layer and the active layer; and an electrode electrically connected to the first conductive semiconductor layer.
Embedded gallium—nitride in silicon
A method and structure for integrating gallium nitride into a semiconductor substrate. The method may also include means for isolating the gallium nitride from the semiconductor substrate.
Solid state light emitting devices based on crystallographically relaxed structures
The present invention discloses a method for manufacturing a solid state light emitting device having a plurality of light-sources, the method comprising the steps of: providing a substrate having a growth surface; providing a mask layer on the growth surface, the mask layer having a plurality of openings through which the growth surface is exposed, wherein a largest lateral dimension of each of said openings is less than 0.3 μm and wherein the mask layer may comprise a first mask layer portion and a second mask layer portion, having the same surface area and comprising a plurality of openings wherein the first mask layer portion exhibits a first ratio between an exposed area of the growth surface and an unexposed area of the growth surface, and wherein the second mask layer portion exhibits a second ratio between an exposed area of the growth surface and an unexposed area of said growth surface, the second ratio being different from the first ratio; growing a base structure on the growth surface in each of the openings of the mask layer; and growing at least one light-generating quantum well layer on the surface of each of the base structures.
Reusable substrate carrier
In some embodiments, a substrate carrier for holding a plurality of substrates comprises a disk formed of a continuous material to a nominal dimension which is approximately a multiple of a nominal dimension of a standard substrate size used in the manufacture of light emitting diode devices. In an embodiment, the disk is formed symmetrically about a central axis and defines a substantially planar upper surface. A first pair of pockets is defined in the upper surface of the disk, wherein the disk and each of the first pair of pockets are bisected by a first reference plane passing through the central axis. A second pair of pockets is defined in the upper surface of the disk, wherein the disk and each of the second pair of pockets are bisected by a second reference plane passing through the central axis.
Optical module package and its packaging method
An optical module package includes a substrate having a recessed portion, a cover covered on the substrate and defining with the substrate a first chamber and a second chamber therebetween, the cover having a light-emitting hole disposed in communication with the first chamber, a light-receiving hole disposed in communication with the second chamber and a stop wall positioned in the recessed portion to separate the first chamber and the second chamber, a light-emitting chip and a light-receiving chip mounted at the substrate and respectively disposed in the first chamber and the second chamber, and two encapsulation colloids respectively mounted in the first chamber and the second chamber and respectively wrapped about the light-emitting chip and the light-receiving chip. Thus, the optical module package not only can prevent crosstalk but also can greatly reduce the manufacturing cost and the level of difficulty.
X-ray multiband emission and conversion
A photonic conversion layer receives incoming photons in a plurality of X-ray bands, the incoming photons passing through an item on a path from an X-ray source to the photonic conversion layer. The incoming photons are converted in each X-ray band of the plurality of X-ray bands to outgoing photons in corresponding different converted bands in the visible-to-near infrared (VNIR) spectrum. The outgoing photons are emitted in the corresponding different converted bands in the VNIR spectrum. A sensor detects the outgoing photons in the corresponding different converted bands in the VNIR spectrum and generates output data representative of the outgoing photons. Image data is generated based on the output data.
Semiconductor photo-detecting device
A photo-detecting device includes a first nitride layer, a light absorption layer disposed on the first nitride layer, and a Schottky junction layer disposed on the light absorption layer. According to a photoluminescence (PL) properties measurement of the photo-detecting device, a first peak light intensity is greater than a second peak light intensity, and the first peak light intensity is a peak light intensity of light emitted from the light absorption layer, and the second peak light intensity is a peak light intensity of light emitted from the first nitride layer.
High-speed germanium on silicon avalanche photodiode
A high-speed germanium on silicon (Ge/Si) avalanche photodiode may include a substrate layer, a bottom contact layer disposed on the substrate layer, a buffer layer disposed on the bottom contact layer, an electric field control layer disposed on the buffer layer, an avalanche layer disposed on the electric field control layer, a charge layer disposed on the avalanche layer, an absorption layer disposed on the charge layer, and a top contact layer disposed on the absorption layer. The electric field contact layer may be configured to control an electric field in the avalanche layer.
Attachment member and solar cell array using same
An attachment member and a solar cell array are disclosed. The attachment member includes a first member; a second member on the first member; and a fixing member that fixes the first and second members. The first member includes a bottom portion; two first side walls facing each other. The second member includes a top portion; two second side walls facing to each other. The first and the second side walls are alternately arranged and face to each other. Each of the first and second side walls comprises an engagement portion. The engagement portion of one of the first side walls adjustably engages in height direction with the engagement portion of one of the second side walls. The engagement portion of the other one of the first side walls adjustably engages in height direction with the engagement portion of the other one of the second side walls.
Vertical pillar structured infrared detector and fabrication method for the same
Photodetector devices and methods for making the photodetector devices are disclosed herein. In an embodiment, the device may include a substrate; and one or more core structures, each having one or more shell layers disposed at least on a portion of a sidewall of the core structure. Each of the one or more structures extends substantially perpendicularly from the substrate. Each of the one or more core structures and the one or more shell layers form a Schottky barrier junction or a metal-insulator-semiconductor (MiS) junction.
IR sensor package including a cover member and a sensor chip recessed into the package body
The infrared sensor includes: an infrared sensor chip in which a plurality of pixel portions each including a temperature-sensitive portion formed of a thermopile is disposed in an array on one surface side of a semiconductor substrate; and an IC chip that processes an output signal of the infrared sensor chip. A package includes a package main body on which the infrared sensor chip and the IC chip are mounted to be arranged side-by-side, and a package cover that has a lens transmitting infrared rays and is hermetically bonded to the package main body. The package is provided therein with a cover member that includes a window hole through which infrared rays pass into the infrared sensor chip and equalizes amounts of temperature change of hot junctions and cold junctions among the pixel portions, the temperature change resulting from heating of the IC chip.
Electronic device comprising an optical sensor chip
An electronic device includes a substrate plate with a traversing passage. An electronic component, mounted to the substrate plate, includes an integrated circuit chip with an optical sensor and an opaque protective plate mounted above the sensor. The electronic component is mounted with the chip facing the substrate plate such that the protective plate is engaged with the traversing passage. Electrical connection elements extend between the chip and the substrate plate. An internal block of encapsulation material extends into the traversing passage of the substrate plate between the chip and the substrate plate so as to embed the electrical connection elements.
Semiconductor device with trench structure and manufacturing method thereof
The semiconductor device of the present invention includes a semiconductor layer made of a wide bandgap semiconductor, a trench that is selectively formed on a surface portion of the semiconductor layer and that defines a unit cell having a predetermined shape on the surface portion, and a surface electrode that is embedded in the trench so as to cover an upper surface of the unit cell and that forms a Schottky junction between the unit cell and the surface electrode, and side surfaces of the trench are formed of only a plurality of planes that have plane orientations crystallographically equivalent to each other.
Non-volatile semiconductor storage device
A non-volatile semiconductor storage device disclosed in the embodiment has a semiconductor substrate, a first insulating film, a first charge storage film, a second insulating film, a second charge storage film, a third insulating film, and a control electrode. In this non-volatile semiconductor storage device, the first and second charge storage films comprise a metallic material, a semi-metallic material or a semiconductor material. One of the first, second, and third insulating films is a multi-layered insulating film formed by layering multiple insulating films. This non-volatile semiconductor storage device further has a film comprising of any one of an oxide film, nitride film, boride film, sulfide film, and carbide film that is in contact with one interface of the laminated insulating film and contains one type of atom selected from aluminum, boron, alkaline earth metal, and transition metal at a concentration in the range of 1E12 atoms/cm2 to 1E16 atoms/cm2.
Thin film transistor substrate, method of manufacturing the same, and liquid crystal display panel having the same
A thin film transistor substrate includes a substrate, a bottom gate on the substrate, a first insulating layer on the substrate and on the bottom gate, a drain on the first insulating layer, a source on the first insulating layer, the source including a first source at a first side of the drain and a second source at a second side of the drain, an active layer on the first insulating layer, the active layer including a first active layer contacting the drain and the first source and a second active layer contacting the drain and the second source, a second insulating layer on the drain, the source, and the active layer, and a top gate on the second insulating layer.
FinFET device including a uniform silicon alloy fin
A method includes forming a fin on a semiconductor substrate and forming recesses on sidewalls of the fin. A silicon alloy material is formed in the recesses. A thermal process is performed to define a silicon alloy fin portion from the silicon alloy material and the fin. A semiconductor device includes a substrate, a fin defined on the substrate and an isolation structure disposed adjacent the fin. A first portion of the fin extending above the isolation structure has a substantially vertical sidewall and a different material composition than a second portion of the fin not extending above the isolation structure.
Protection layer on fin of fin field effect transistor (FinFET) device structure
A fin field device structure and method for forming the same are provided. The FinFET device structure includes a substrate and a fin structure extending from the substrate. The FinFET device structure also includes an isolation structure formed on the substrate. The fin structure has a top portion and a bottom portion, and the bottom portion is embedded in the isolation structure. The FinFET device structure further includes a protection layer formed on the top portion of the fin structure. An interface is between the protection layer and the top portion of the fin structure, and the interface has a roughness in a range from about 0.1 nm to about 2.0 nm.
Device and method for fabricating thin semiconductor channel and buried strain memorization layer
A device and method for inducing stress in a semiconductor layer includes providing a substrate having a dielectric layer formed between a first semiconductor layer and a second semiconductor layer and processing the second semiconductor layer to form an amorphized material. A stress layer is deposited on the first semiconductor layer. The wafer is annealed to memorize stress in the second semiconductor layer by recrystallizing the amorphized material.
Method for fabricating a field effect transistor with local isolations on raised source/drain trench sidewalls
A method is provided for fabricating a semiconductor device. The method includes providing a semiconductor substrate having a gate structure; and forming offset sidewall spacers around the gate structure. The method also includes forming trenches in the semiconductor substrate at outside of the gate structure; and forming isolation layers on side surfaces of the trenches to prevent diffusions between subsequently formed doping regions. Further, the method includes removing at least portions of the offset sidewall spacers to expose portions of the surface of the semiconductor substrate between the gate structure and the trenches; and forming filling layers with a top surface higher than the surface of the semiconductor substrate by filling the trenches and covering portions of the surface of the semiconductor substrate between the trenches and the gate structure. Further, the method also includes forming doping regions configured as raised source/drain regions in the filling layers.
Field effect transistor and semiconductor device
A field effect transistor includes multi-finger electrodes, a gate terminal electrode, a drain terminal electrode, a source terminal and a source terminal electrode. Each of the multi-finger electrodes includes two finger gate electrodes, a finger drain electrode, and at least two finger source electrodes. Finger electrodes are arranged so as to intersect with the first straight line at an angle of approximately +45 degrees and approximately −45 degrees alternately. The gate terminal electrode commonly bundles and connects the finger gate electrodes of two adjacent cell regions. The drain terminal electrode commonly bundles and connects the finger drain electrodes of two adjacent cell regions. And the source terminal electrode commonly bundles and connects the finger source electrodes of two adjacent cell regions. The gate terminal electrodes and the drain terminal electrodes are alternately provided in a connecting region of the multi-finger electrodes of two adjacent cell regions.
Methods for fabricating anode shorted field stop insulated gate bipolar transistor
A method for fabricating an anode-shorted field stop insulated gate bipolar transistor (IGBT) comprises selectively forming first and second semiconductor implant regions of opposite conductivity types. A field stop layer of a second conductivity type can be grown onto or implanted into the substrate. An epitaxial layer can be grown on the substrate or on the field stop layer. One or more insulated gate bipolar transistors (IGBT) component cells are formed within the epitaxial layer.
Memory structure with self-aligned floating and control gates and associated methods
A memory structure having at least substantially aligned floating and control gates. Such a memory structure can include a control gate material disposed between a first insulator layer and a second insulator layer, a floating gate material disposed between the first insulator layer and the second insulator layer and at least substantially aligned with the control gate material, the floating gate material including a metal region, and an interpoly dielectric (IPD) layer disposed between the control gate material and the floating gate material such that the IPD layer electrically isolates the control gate material from the floating gate material.
Method for fabricating FinFET with separated double gates on bulk silicon
Disclosed herein is a method for fabricating a FinFET with separated double gates on a bulk silicon, comprising: forming a pattern for a source, a drain and a thin bar connecting the source and the drain; forming an oxidation isolation layer; forming a gate structure and a source/drain structure; and forming a metal contact and a metal interconnection. By means of the method herein, it is very easy to fabricate the FinFET with separated double gates on the bulk silicon wafer, and the overall process flow is completely compatible with the conventional silicon-based very large scale integrated circuit manufacturing technology. Thus, the method herein is simple, convenient and has a short process period, greatly economizing the cost of the silicon wafer. In addition, by employing the FinFET with separated double gates fabricated by the method according to the invention, the short channel effect can be effectively suppressed. Further, the power consumption of the device can be further reduced through the special multi-threshold characteristic of the device with separated double gates.
Germanium-based quantum well devices
A quantum well transistor has a germanium quantum well channel region. A silicon-containing etch stop layer provides easy placement of a gate dielectric close to the channel. A group III-V barrier layer adds strain to the channel. Graded silicon germanium layers above and below the channel region improve performance. Multiple gate dielectric materials allow use of a high-k value gate dielectric.
Vertical-gate-all-around devices and method of fabrication thereof
Structures and methods are provided for forming bottom source/drain contact regions for nanowire devices. A nanowire is formed on a substrate. The nanowire extends substantially vertically relative to the substrate and is disposed between a top source/drain region and a bottom source/drain region. A first dielectric material is formed on the bottom source/drain region. A second dielectric material is formed on the first dielectric material. A first etching process is performed to remove part of the first dielectric material and part of the second dielectric material to expose part of the bottom source/drain region. A second etching process is performed to remove part of the first dielectric material under the second dielectric material to further expose the bottom source/drain region. A first metal-containing material is formed on the exposed bottom source/drain region. Annealing is performed to form a bottom contact region.
Semiconductor structure and process thereof
A semiconductor structure includes a stacked metal oxide layer on a substrate, wherein the stacked metal oxide layer includes a first metal oxide layer, a second metal oxide layer, and a third metal oxide layer from top to bottom, and the energy bandgap of the second metal oxide layer is lower than the energy bandgap of the first metal oxide layer and that of the third metal oxide layer. The semiconductor structure includes a metal oxide layer on a substrate, wherein the energy bandgap of the metal oxide layer changes along a direction perpendicular to the surface of the substrate. The present invention also provides a semiconductor process forming said semiconductor structure.
Metal resistor using FinFET-based replacement gate process
A semiconductor structure includes a semiconductor substrate, fins coupled to the substrate and surrounded at a bottom portion thereof by isolation material, and resistor(s) situated in the gate region(s), the gate regions being filled with undoped dummy gate material. As part of a replacement gate process, the resistor(s) are realized by forming silicide over dummy gate material, i.e., the dummy gate material for the resistor(s) is not removed.
Semiconductor devices and methods of fabricating the same
A semiconductor device includes a fin-shaped active region protruding from a surface of a base substrate. The fin-shaped active region includes a first impurity region and a second impurity region spaced apart from each other along a first direction and a channel region disposed between the first and second impurity regions. A trench is provided in the base substrate under the channel region. The trench extends in a second direction to intersect the fin-shaped active region in a plan view. A blocking layer fills the trench to overlap with the channel region of the fin-shaped active region. A gate is disposed to overlap with blocking layer and the channel region.
A semiconductor device has mesa form first and second p-type base regions and a floating p-type region provided in a surface layer of an n−-type drift layer. The first p-type base region and floating p-type region are separated by a first trench. The second p-type base region is separated from the floating p-type region by a second trench. The first and second p-type base regions are conductively connected to an emitter electrode. The floating p-type region is in a floating state electrically isolated from the emitter electrode. A first gate electrode is provided via a first gate insulating film inside the first trench. An emitter potential second gate electrode is provided via a second gate insulating film inside the second trench. Therefore, di/dt controllability when turning on the semiconductor device can be increased.
Vertical nanowire semiconductor structures
An example semiconductor structure comprises a first surface and at least one nanowire, the at least one nanowire being perpendicular to the first surface, wherein the first surface is defect-poor and is made of a doped III-V semiconductor material, wherein the at least one nanowire is defect-poor and made of an undoped III-V semiconductor material having a lattice mismatch with the material of the first surface of from about 0% to 1%.