Modular mass storage system
A system for storing data includes a rack and one or more data storage modules mounted on the rack. The data storage modules may include a chassis, two or more vertically-oriented backplanes coupled to the chassis, two or more mass storage devices coupled to the backplanes, and one or more air passages extending beneath one or more of the backplanes. Each backplane is configured to preclude airflow through the backplane between opposite vertical faces and can couple mass storage devices on one or more of the opposite vertical faces. One or more of the air passages can supply an upwards-directed airflow along one of the opposite vertical faces of a backplane to remove heat from a heat producing component of a mass storage device coupled to the vertical face of the vertically-oriented backplane.
Mobile terminal heat dissipation mechanism and terminal having same
The present disclosure discloses a heat dissipation mechanism of the mobile terminal and a mobile terminal having the heat dissipation mechanism. In certain embodiments, the heat dissipation mechanism includes: a shell defining at least one heat dissipation window and a moving part connected with the shell. The moving part is used for by a user to open or close the at least one heat dissipation window. The heat dissipation mechanism may be used to effectively reduce surface temperature of the mobile terminal while the mobile terminal is in operation. Such a dissipation mechanism of the mobile terminal is suitable for mobile terminals and meets the demand for relatively high power consumption, ultra-thinness and miniaturization of the mobile terminals.
Optional device for electrical appliance
An option device for an electrical appliance of the invention is provided with a filter for purifying exhaust air from the electrical appliance, and an electric fan, wherein the air flow resistance in an external air inlet port formed independently of a suction port for sucking exhaust air from the electrical appliance is adjustable. According to this configuration, it is easy to secure balance between the exhaust air flow rate of the electrical appliance and the suction force by the electric fan without variably controlling the rotational speed of the electric fan.
Backplane nodes for blind mate adapting field replaceable units to bays in storage rack
A system for the management of rack-mounted field replaceable units (FRUs) that affords the enhanced availability and serviceability of FRUs provided by blade-based systems but in a manner that accommodates different types of FRUs (e.g., in relation to form factors, functionality, power and cooling requirements, and/or the like) installed within a rack or cabinet.
Systems and methods for configuring power supply unit
Various embodiments of the present technology provide systems and methods for configuring a power supply unit (PSU) of a rack system. The rack system contains one or more nodes, each of which can has a first housing and a second housing. The first housing stores a power supply unit (PSU) that can be easily accessed by a technician or a user from a front of the rack system. The second housing stores a plurality of computer-readable memory devices and has a first portion and a second portion. The first housing is positioned in the front of the rack system and in a central portion of the rack system between the first portion and the second portion of the second housing.
Assembly mechanism adapted to a server system and server system therewith
An assembly mechanism and a server system therewith are disclosed. The server system includes a casing, a first module and a second module. The first module is installed inside the casing. The second module is selectively installed inside the casing. The assembly mechanism includes a frame mechanism, a tray, a first fixing member and a handle member. The frame mechanism is disposed around the first module. The tray is combined with the second module and supports the second module above the first module cooperatively with the frame mechanism. The first fixing member is fixed on the frame mechanism. The handle member is pivoted to the tray. The handle member activates the tray to approach the first module as being rotated in a first direction. The handle member activates the tray to separate from the first module as being rotated in a second direction.
Modular device for open-loop control or closed-loop control of a technical installation
A device for open-loop control or closed-loop control of a technical installation has a first backplane module, a second backplane module and a third backplane module which are configured to be positioned side by side on a mounting rail in a longitudinal direction. The first backplane module has a first main body and a first contact part. The second backplane module has a second main body and a second contact part. The third backplane module has a third main body and a third contact part. The main bodies each have an upper side comprising insertion openings which are configured to receive electrical contacts of separate electronic modules. The contact parts form a bus line in the longitudinal direction such that plugged-in electronic modules can be electrically coupled to one another by means of the contact parts. The second main body further has a receptacle, in which the second contact part is arranged in one of at least two defined variants. In a first variant, the second contact part has an electrically conductive connection to the first contact part and to the third contact part. In a second variant, the second contact part has an electrically conductive connection to the third contact part, but not to the first contact part.
Methods and apparatus for creating girih strapwork patterns
A kit that includes multiple rectilinear elongate polygonal elements having five unique shapes, four of which are concave polygonal elements. In some examples, when arranged with respect to one another, the elements of the kit form a girih strapwork pattern. In one aspect, respective elements in a kit may include bezels or boarders along longer sides to enhance an over/under weaving effect of the girih strapwork pattern. In other aspects, one or more elements may be formed as a tray, and some of the trays may include various components or materials disposed in the tray (e.g., architectural surface materials, biological systems, various electronic components) to provide for a variety of creative designs and structural/sculptural installations for built environments. In some implementations, one or more such trays may have beveled rims so as to appear light and thin when viewed.
Method and apparatus for automatically adjusting dispensing units of a dispenser
A dispensing apparatus includes a frame having a gantry configured to provide movement in the X axis and Y axis directions, and first and second dispensing units coupled to the gantry and configured to dispense material onto a substrate. The second dispensing unit is coupled to the gantry by an automatic adjustment mechanism. The dispensing apparatus further includes a controller configured to control the operation of the gantry, the first dispenser, the second dispenser, and the automatic adjustment mechanism. The automatic adjustment mechanism is configured to move the second dispenser in the X axis and Y axis directions to manipulate a spacing between the first dispensing unit and the second dispensing. Methods of dispensing material on the substrate are further disclosed.
Integrated circuit assemblies with molding compound
Embodiments of integrated circuit (IC) assemblies and related techniques are disclosed herein. For example, in some embodiments, an IC assembly may include a first printed circuit board (PCB) having a first face and an opposing second face; a die electrically coupled to the first face of the first PCB; a second PCB having a first face and an opposing second face, wherein the second face of the second PCB is coupled to the first face of the first PCB via one or more solder joints; and a molding compound. The molding compound may be in contact with the first face of the first PCB and the second face of the second PCB. Other embodiments may be disclosed and/or claimed.
Method of forming an electrical connection to an electronic module
Circuit assemblies can be electrically interconnected by providing a circuit assembly having a top surface, a bottom surface, and a perimeter edge connecting the top and bottom surfaces, the perimeter edge being formed of insulative material and having a plurality of conductive features embedded in and exposed on the surface of the edge. The conductive features are arranged in contact sets, and each contact set is separated from adjacent contact sets by a portion of the perimeter edge that is free of conductive features. Each contact set includes conductive features that together form a distributed electrical connection to a single node. The insulative material is selectively removed to form recesses adjacent the conductive features exposing additional surface contact areas along lateral portions of the conductive features in the recesses.
Differential trace pair system
A differential trace pair system includes a board having a first board structure member and a second board structure member. A differential trace pair in the board includes a first differential trace pair portion of a first width outside the board structure, and a second differential trace pair portion of a second width extending through the board structure. A first outer edge and a second outer edge of the second differential trace pair portion define the second width that is less than the first width. A first board structure member channel is defined by the first outer edge adjacent the first board structure member, a second board structure member channel is defined by the second outer edge adjacent the second board structure member and the first and second board structure member channels provide a third width of the second differential trace pair portion that is less than the second width.
Method and device for cooling soldered printed circuit boards
Method for cooling soldered printed circuit board modules in a cooling zone of a soldering system, wherein at least one cooling gas comprising inert gas is introduced into the cooling zone, wherein the printed circuit boards are conveyed continuously from a soldering zone of the soldering system into the cooling zone, wherein the cooling gas is generated using liquid cooling gas. The method according to the invention and the device (1) according to the invention advantageously permit highly efficient cooling of printed circuit board modules after the soldering process. The cooling gas may advantageously be used for inerting the soldering system (2) after extraction from the cooling zone (15).
X-ray generator, X-ray imaging apparatus including the X-ray generator, and method of controlling the X-ray generator
An X-ray generator is capable of reducing invalid exposure caused due to wave tails, which do not contribute to the quality of an X-ray image, by preventing the wave tails from being supplied to an X-ray tube. An X-ray imaging apparatus includes the X-ray generator and a method of reducing the invalid exposure is implemented using the X-ray generator. The X-ray generator includes an X-ray tube to generate X-rays, and a high-voltage generator to supply a voltage having a pulse waveform to the X-ray tube. The high-voltage generator includes a high-voltage tank to generate a high voltage, a switch connected to an output terminal of the high-voltage tank and turned on or off, and a resistor located outside the high-voltage tank to receive a wave tail voltage having the pulse waveform and to consume power generated due to wave tails.
LED illumination system and method for controlling the same
An LED illumination system includes a plurality of LED lamps. Each of the LED lamps includes: an LED array including one or more LED elements that interoperate with input power and emit light; a power management unit that controls supplied power so that power is input to the LED array; a control unit that controls the power management unit to control an operation of the LED array in response to a signal input set by a user through a user terminal; and a wireless communication module that transmits a received wireless communication signal to the control unit and transmits information received from the control unit in the form of a wireless communication signal.
Ambient and task level load control
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for cooperatively controlling ambient level lighting in a controlled area, and task-level lighting for task areas in the controlled area, where each task area is a separate sub-area of the controlled area.
Stretchable display device
A stretchable display device includes: a stretchable substrate; a plurality of light emitting units on the stretchable substrate; and a plurality of reflective mirrors positioned to correspond to the light emitting units, respectively, and reflecting light emitted from the light emitting units, respectively.
White light tuning
A lighting device include a first string of light emitting diodes (LEDs) to emit a white light having a warm white Correlated Color Temperature (CCT) and a second string of LEDs. The second string of LEDs includes blue light LEDs that emit a blue light and green light LEDs that emit a green light. The lighting device further includes a tuning circuit to adjust an amount of current flowing through the second string of LEDs. The warm white light, the blue light and the green light produce a combined light, and a CCT of the combined light is tuned by adjusting the amount of current flowing through the second string of LEDs.
LED lighting device
Lighting and/or display device with low-voltage individual lighting components such as a light-emitting diode, characterized in that it comprises a plurality of individual modules (1) electrically connected together so as to be able to be arranged in series, at least one module comprising a lower terminal (2) and a upper terminal (3), between which are arranged at least two individual lighting components and a plurality of switches (5, 7, 8), so as to be able to arrange two individual lighting components in series or in parallel between the two lower (2) and upper (3) terminals.
Smart LED driver and LED drive method
A LED driver adopts one power stage to provide a constant drive current to drive a load, and to provide different power supply voltages to power a smart module according to a dimming signal input by users through the smart module. The LED driver provides high performance with simple circuit structure.
Microwave energy interactive structure with venting microapertures
A microwave energy interactive structure comprises a layer of microwave energy interactive material supported on a polymer film. A plurality of microapertures extend through the layer of microwave energy interactive material and the polymer film. The microapertures have a major linear dimension of from about 0.05 mm to about 2 mm.
Alloy melting and holding furnace
An induction furnace comprising a upper furnace vessel; an induction coil positioned below the upper furnace vessel; and a melt-containing vessel positioned inside the induction coil and communicably connected to the upper furnace vessel, wherein the positioning of the melt-containing vessel inside the induction coil defines a gap between an outside surface of the melt-containing vessel and an inside surface of the induction coil. A system for direct-chill casting comprising at least one an induction furnace; at least one in-line filter operable to remove impurities in molten metal; at least one gas source coupled to a feed port associated with the gas; and at least one device for solidifying metal by casting. A method of cooling an induction furnace comprising introducing a gas into a gap between an induction coil and a melt-containing vessel positioned inside the induction coil; and circulating the gas through the gap.
Snap fit accessory for heat trace cable
A kit or assembly comprises a plug body, a housing, and an end cap. The plug body comprises an opening sized to receive a cable, and first and second members. The first member is pivotably connected to the plug at a first position and comprises a first blade extending inwardly relative to the plug body and a first electrical contact. The second member is pivotably connected to the plug at a second position and comprises a second blade extending inwardly relative to the plug body and a second electrical contact, where the second position is longitudinally offset from the first position. The housing comprises a socket to receive the first electrical contact and the second electrical contact and the end cap is threadably engageable with the housing, with the end cap comprising an interior sized to receive the plug body. Engaging the end cap with the housing causes the first member and the second member to contact the housing and pivot inwardly such that the first blade and the second blade pierce a jacket of the cable positioned within the plug body to contact the first and second electrical wires of the cable respectively, establishing an electrical path from the first and second wires of the cable through the first electrical contact and the second electrical contact to the socket.
Channel access mechanism
A method and system to improve backoff counter handling with relation to a clear channel assessment (CCA) process. The method and system improve a wireless medium availability by adjusting the backoff counter such that the processing of a preamble of a frame received during a backoff is taken into account. Received frames that fall between two CCA thresholds may require decoding of information in the preamble to assess whether the wireless medium is available. A portion of the preamble is decoded that identifies information utilized to determine whether the wireless medium may be considered to be busy. However, during this determination that requires the reading of the preamble of a received frame the backoff counter may be held or decremented even though the wireless medium status is unknown. The method and system provide a set of possible adjustments to the backoff counter to account for this uncertainty and the outcome of the CCA.
Method for controlling relay on basis of proximity service and device therefor
The present invention relates to a method and a device for controlling a relay of relay user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: announcing information on whether the relay UE can be relayed; and controlling the relay by comparing updated information with reference information according to a new relay request, wherein the reference information is set to be changed on the basis of state information of the relay UE and/or a packet data network (PDN) connection related to the relay.
Method and device for proximity discovery among UEs
The present invention discloses a method for proximity discovery among user equipments (UEs). The method includes: a UE registers with a device to device (DTD) server and obtains DTD default resources from a received registration response. When the UE is a user to be discovered and is not in coverage, it sends a discovery message on the DTD default resources. When the UE is a discovering user, it receives the discovery message on the DTD default resources. The present invention also discloses a device. With the technical solution of the present invention, it is not only possible to support a discovering service and a to-be-discovered service when the UE is in coverage, but also to support the same services when the UE is not in coverage.
Random access procedure for handover
Technology for switching from a wireless local area network (WLAN) to a wireless wide area network (WWAN) is disclosed. A multi-radio access technology (multi-RAT) user equipment (UE) can receive WLAN-specific dedicated physical random access channel (PRACH) allocation information from an evolved node B (eNB) to enable the multi-RAT UE to perform an inter-RAT WLAN-to-WWAN handover. The multi-RAT UE can initiate the inter-RAT WLAN-to-WWAN handover at the multi-RAT UE by performing random access with the eNB using the WLAN-specific dedicated PRACH allocation information.
Method and apparatus for Wi-Fi access optimization
A method for controlling a plurality of Wi-Fi clients and a plurality of Wi-Fi Access Points (APs) is provided. The method receives M1 and M2 for the Wi-Fi clients and M3 for the Wi-Fi APs. For a respective Wi-Fi client configured to operate on a channel, M1 is a Received Signal Strength Indication (RSSI) from a serving Wi-Fi AP and M2 is an aggregated level of interference from other than the serving Wi-Fi AP. For a respective Wi-Fi AP, M3 is a level of interference received from other of the Wi-Fi APs operating on the channel. The method generates distributions of M1, M2 and M3, sets a Clear Channel Assessment-Energy Detection (CCA-ED) threshold and a Clear Channel Assessment-Carrier Sense (CCA-CS) threshold based on the distributions of M1, M2 and M3, and transmits the thresholds to the Wi-Fi clients and Wi-Fi APs.
Self-contained time division duplex (TDD) subframe structure for wireless communications
Aspects of the present disclosure provide a self-contained subframe structure for time division duplex (TDD) carriers. Information transmitted on a TDD carrier may be grouped into subframes, and each subframe can provide communications in both directions (e.g., uplink and downlink) to enable such communications without needing further information in another subframe. In one aspect of the disclosure, a single subframe may include scheduling information, data transmission corresponding to the scheduling information, and acknowledgment packets corresponding to the data transmission. Furthermore, the subframe may additionally include a header and/or a trailer to provide certain bi-directional communications functions.
Device and method for configuring almost blank subframe and heterogeneous wireless communication network
An apparatus and a method for a wireless communication network. The apparatus includes circuitry configured for acquiring the first information associated with an indicator indicating communication quality of user terminals served by an interfering base station; acquiring second information associated with an indicator indicating interfered degree of user terminals interfered by the interfering base station; configuring, based on the first information and the second information, transmission of the interfering base station for inter-base station coordination. The technical solution improves the overall performance of the wireless communication heterogeneous network.
Methods and apparatus for communicating resource information with a terminal device
Provided is a communication control device including a radio communication unit configured to perform radio communication with a plurality of terminal apparatuses of a primary system using communication resources of the primary system, and a generating unit configured to generate resource information for notifying a secondary system secondarily using the communication resources of available communication resources. The radio communication unit transmits the resource information generated by the generating unit through a downlink control channel including a common space that is decoded in common by the plurality of terminal apparatuses and a plurality of individual spaces that are decoded by only some of the plurality of terminal apparatuses.
Radio communication apparatus, processor, and communication control method
A radio communication apparatus according to a first aspect is an apparatus for supporting cellular communication and wireless LAN communication. A protocol stack for the cellular communication includes: a cellular lower layer including a physical layer and a MAC layer; and a cellular upper layer higher than the MAC layer. The radio communication apparatus comprises a controller configured to set a specific mode using a protocol stack of the wireless LAN communication instead of the cellular lower layer.
Communication apparatus and communication method
A base station can prevent deterioration of data channel application control accuracy due to influence of transmission power control to a control channel. In the base station, each encoding section performs encoding processing to an SCCH (Shared Control Channel) of each mobile station, each modulating section performs modulation processing to the encoded SCCH, an arranging section arranges the SCCH to each mobile station to one of a plurality of subcarriers which configure an OFDM symbol, and transmission power control section controls transmission power of the SCCH based on reception quality information reported from each mobile station. The arranging section arranges a plurality of the SCCH to be under transmission power control to one of the subcarriers so that combinations at resource blocks are the same.
Multimedia broadcast multicast service (MBMS) frequency prioritization
An indicator indicates whether Multimedia Broadcast Multicast Service (MBMS) Service Area Identifier (SAI) frequency information broadcast from a wireless communication network to a wireless communication device is being updated dynamically. Based on the indicator, the wireless communication device may apply different procedures for acquiring an MBMS service.
Method and device for determining WLAN channel
This disclosure provides a method and for determining WLAN channel in a base station which supports both WLAN access and cellular network access, and a first WLAN channel is allocated for its WLAN access. According to this disclosure, if frequency space between the first WLAN channel and frequency range occupied by the cellular network access is not larger than a threshold, the base station detects available WLAN channels which are not occupied by surrounding WLANs. If the frequency space between the available WLAN channels and the frequency range occupied by the cellular network is not larger than the threshold, the base station changes its WLAN channel from the first WLAN channel to a second WLAN channel occupied by one of the surrounding WLANs. The frequency space between the second WLAN channel and the frequency range occupied by the cellular network access is larger than the threshold, thus interference between the cellular network and the WLAN is reduced or eliminated. This disclosure also provides a base station.
System and method for OFDMA resource management in WLAN
Embodiments are provided for implementing a control function in a Wireless Local Area Network (WLAN) for allocation of resources to multiple stations (STAs) to enable Orthogonal Frequency Division Multiple Access (OFDMA) communications. An embodiment method includes determining a plurality of transmission resources for OFDMA communications of a plurality of STAs in the WLAN. The determination includes allocating a plurality of subcarriers to the STAs. The method further includes signaling the determined transmission resources to the STAs. The signaling of the transmission resources is piggybacked on at least one of data and management frames, such as in a sub-header of a MAC frame, or is an explicit signaling, such as in one or more dedicated fields of a traffic specification information element. The transmission resources for OFDMA communications allow simultaneous transmissions of the STAs in the WLAN.
Fast terminal entry in link 16 tactical networks
A process for allowing a Concurrent Multi-Netting (CMN-4) equipped Link 16 terminal to enter an active network. After an initial entry command is entered at the terminal at a given current time at the terminal, a number of time slots are identified in which multiple receivers at the terminal have an opportunity to detect an initial entry message (IEM) after the given current time. Each of the receivers is set to detect an IEM during a different one of the identified time slots. When an IEM is first detected by one of the receivers, the current time at the terminal is reset based on the time slot in which the IEM was detected.
High reliability low latency mission critical communication
Systems and methods for communicating mission-critical (MiCri) data in a network including a base station and user equipment (UE) are provided. The methods may include receiving a request message requesting MiCri data, and transmitting the MiCri data during a transmission time interval (TTI) of a first carrier component or during a transmission time interval (TTI) of a second carrier component. In various aspects, the TTI of the first carrier component may be staggered in time with respect to the TTI of the second carrier component. In another aspect, the UE may pre-report interference pattern information for a nominal TTI for use in communication of MiCri data.
Allocation of sub-channels of MIMO channels using a basestation with a plurality of sectors
A base station for wireless network uses one or more MIMO channels having subchannels, to communicate with multiple user equipments, and allocates the sub channels to the user equipments. Different subchannels of a given one of the channels can be allocated to different user equipments. The ability to allocate sub channels individually rather than only allocating entire channels can enable higher data rates to be achieved. This is particularly useful for improving data rates at cell boundaries or sector boundaries, where the coverage is traditionally weakest. A user equipment can use subchannels from different MIMO channels from different sectors or from different base stations.
Mapping an enhanced physical downlink control channel
Technology for an enhanced Node B (eNB) operable to map an enhanced physical downlink control channel (ePDCCH) to physical resource blocks in a radio frame is disclosed. The eNB can map modulated symbols in the ePDCCH to at least one control channel element (CCE). The eNB can map the at least one CCE to resource elements located in a plurality of physical resource blocks that are distributed in a subframe. The eNB can apply the mapping to control data for scheduling to form an ePDCCH. The eNB can process the ePDCCH for communication to a user equipment (UE).
Data sending method, data receiving method, base station and user equipment
Embodiments of the present invention provide a data sending method. The data sending method includes: determining, according to location generation information of a PDCCH on a non-legacy resource, a resource location, on a subframe, of the PDCCH on the non-legacy resource; and sending the subframe to a UE, where the PDCCH on the non-legacy resource is contained on the resource location of the subframe, so that the UE determines the resource location, on the subframe, of the PDCCH on the non-legacy resource according to the location generation information. In the embodiments of the present invention, both the base station and the UE may determine a resource location of the PDCCH on the non-legacy resource separately by using the location generation information, thereby avoiding a circumstance that the UE equipped with only the capability of receiving a PDCCH on a non-legacy resource cannot access a network.
Method for transmitting control information and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting uplink control information and to a device therefor, and relates to a method comprising the steps of: selecting one uplink control channel resource corresponding to a plurality of HARQ-ACKs, from a plurality of uplink control channel resources; and transmitting a bit value corresponding to the plurality of HARQ-ACKs, by using the selected uplink control channel resource. The present invention also relates to a device for the method.
Uplink control information transmission method and apparatus in multicarrier system
A method for receiving uplink control information in a wireless communication system supporting carrier aggregation (CA), and a base station therefore are discussed. The method according to one embodiment includes transmitting downlink data through a first downlink component carrier (DL CC) or a second DL CC; receiving an acknowledgement/not-acknowledgement (ACK/NACK); and receiving periodic channel state information (CSI). If the ACK/NACK collides with the periodic CSI and the ACK/NACK corresponds to downlink data transmitted through only the first DL CC, both the ACK/NACK and the periodic CSI are received in the same subframe of a first uplink component carrier (UL CC). If the ACK/NACK collides with the periodic CSI and the ACK/NACK corresponds to downlink data transmitted through both the first DL CC and the second DL CC, the periodic CSI is not received and only the ACK/NACK is received in the same subframe of the first UL CC.
Method and apparatus for delaying autonomous resource fallback for D2D operation in wireless communication system
A method and apparatus for performing device-to-device (D2D ) transmission in a wireless communication system is provided. A user equipment (UE) determines that it is out of coverage (OOC). Even though the UE is OOC, the UE continues to perform D2D transmission by using D2D resources for in-coverage under a specific condition. Based on a specific condition, if the UE determines that is in coverage before the specific condition is met, the UE performs D2D transmission by using the D2D resources for in-coverage. If the specific condition is met while the UE is OOC, the UE performs D2D transmission by using the D2D resources for OOC.
Traffic advertisement and scheduling in a neighbor aware network data link
A method includes monitoring, at a first electronic device of a data link, a first wireless network during a first paging window corresponding to an active operating mode of electronic devices of the data link. The method also includes receiving, at the first electronic device, a traffic announcement message from a second electronic device of the data link during the first paging window.
Dual registration coordination for tune away
A method, a device, and a non-transitory storage medium having instructions to receive tune away data from a multimode mobile device and to adjust network processes based on the tune away data including downlink scheduling, uplink scheduling, and handover procedures.
Device and method of handling detach procedure
A communication device of handling a detach procedure comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise attaching to a network in a Network Mode of Operation I (NMO I) for a circuit switched (CS) domain and a packet switched (PS) domain; transmitting a first General Packet Radio Service (GPRS) mobility management (GMM) message to the network; receiving a second GMM message comprising a GMM cause indicating an implicit detach from the network; and performing an International Mobile Subscriber Identity (IMSI) detach for the PS domain but not for the CS domain, when a Radio Resource (RR) connection exists.
User equipment-centric medium access control layer-based signaling between a base station and UE
Methods, systems, and devices are described for wireless communication. In one method, a method of wireless communication at a user equipment (UE) includes receiving a synchronization signal. The synchronization signal may be common to a plurality of cells within a network. The method further includes acquiring a timing of the network based on the synchronization signal, and transmitting a pilot signal in response to acquiring the timing of the network. The pilot signal may identify the UE and be concurrently receivable by the plurality of cells within the network. Other aspects, features, and embodiments are also claimed and described.
Method for contolling uplink transmit power in inter-base station carrier aggregation, base station, and device
Embodiments provide a method for controlling an uplink transmit power in inter-base station carrier aggregation. The method includes acquiring, by a first base station, a maximum uplink transmit power that is allocated by user equipment (UE) to the first base station, and configuring, by the first base station, an uplink transmit power for the UE according to the maximum uplink transmit power. In the method, because the maximum transmit power allocated to the first base station is allocated according to status information of an uplink resource of a second base station, a power that is allocated by the UE to each base station can be coordinated.
System and method for improved transmit power adaptation for wireless platform
Generally, this disclosure provides devices, systems and methods for improved transmit power adaptation for platforms with wireless communication capability. A device may include a memory to store a first transmission (Tx) power level and a Tx power determination module to receive a second Tx power level from a device driver, the second Tx power level provided from a Basic Input/Output System (BIOS) associated with a platform hosting the device. The Tx power determination module may further determine a third Tx power level based on a comparison of the first Tx power level and the second Tx power level. The device may further include a radio frequency (RF) transmission module to transmit a wireless signal at the third Tx power level.
Battery power management for a mobile device
Techniques for managing battery power of a mobile device are described. In an aspect, battery power may be reserved for an application prior to execution of the application on the mobile device. The reservation may ensure that the application has sufficient battery power for execution. In another aspect, battery power may be allocated to applications based on their priorities. The applications may be ordered based on their priorities, and the available battery power for the mobile device may be allocated to one application at a time, starting with the highest priority application. In yet another aspect, battery power may be allocated to applications based on a battery discharge curve for the mobile device. An operating point on the battery discharge curve may be selected based on at least one objective. The available battery power may be determined based on the selected operating point and allocated to the applications.
Method and apparatus for facilitating power conservation via time-gating in a wireless communication system
The described apparatus and methods may include a receiver configured to receive a control signal, and a controller configured to regulate power consumption of the receiver during intervals of less than one radio frame based on the control signals. The controller may also be configured to regulate power consumption of a transmitter during intervals of less than one radio frame based on the control signal.
System and method for wrist band transmitter and system thereof
Disclosed is a system for managing wireless transmitting devices in which a wireless transmission from a transmission device is detected within or about a set area and an allowability of the transmission device to continue transmitting is based on an identification information, of the device, a location of the device and a number being called by the device.
Performance monitoring of wireless local area network (WLAN) offloading in wireless cellular networks
Generally, this disclosure provides devices, systems and methods for performance monitoring of WLAN data traffic offloading in wireless cellular networks. A wireless local area network (WLAN) access point (AP) may include a performance measurement module to measure the number of User Equipment (UEs) connected to the WLAN AP for data traffic offload and further to measure packet throughput from the UEs to the WLAN AP; a measurement granularity timer to trigger the performance measurement module to perform the measurements; a performance report generation module to generate a WLAN report based on the measurements provided from the performance measurement module; and a performance report timer to trigger the performance report generation module to generate the WLAN report.
Packet gateway reassignment
An example embodiment may involve receiving an attach request related to a WCD. It may be determined that the WCD already has an established bearer session with a first PGW device. Possibly in response to receiving the attach request from the WCD and the WCD already having the established bearer session with the first PGW device, a request for PGW device assignment may be transmitted to a server device. A response from the server device may be received, where the response may indicate assignment of a second PGW device. A create session request may be transmitted to an SGW device. Reception of the create session request may cause the SGW device to establish, for the WCD, a new bearer session to the second PGW device. Establishment of the new bearer session may involve the second PGW device retrieving, from the first PGW device, context information related to the WCD.
Method and apparatus for enhancing RLC for flexible RLC PDU size
Enhancements are provided for the radio link control (RLC) protocol in wireless communication systems where variable RLC packet data unit (PDU) size is allowed. When flexible RLC PDU sizes are configured by upper layers, radio network controller (RNC)/Node B flow control, RLC flow control, status reporting and polling mechanisms are configured to use byte count based metrics in order to prevent possible buffer underflows in the Node B and buffer overflows in the RNC. The enhancements proposed herein for the RLC apply to both uplink and downlink communications.
Client association management for improving MU-MIMO transmissions
Devices, computer-program products, and methods for identifying two or more traffic flows with similar packet traffic characteristics are disclosed. In some implementations, the traffic flows may be transmittable over one or more wireless paths. In these implementations, the method may further include identifying a wireless path along which the two or more traffic flows may be transmitted. In some implementations, the method may further include determining whether the wireless path can implement spatial signal multiplexing. Making this determination may include using sounding information associated with the wireless path. In some implementations, the method may include grouping two or more traffic flows to transmit along the wireless path when the wireless path implements spatial signal multiplexing. In these implementations, the two or more traffic flows may be grouped according to similar packet traffic characteristics. Grouping the two or more traffic flows may allow spatial signal multiplexing on the wireless path.
Frequency waterfilling via implicit coordination
The system and method of utilizing frequency waterfilling and implicit coordination to mitigate signal jamming in Link 16 systems. The system and method of utilizing frequency waterfilling for Link 16 includes updates to both software and firmware. The frequency waterfilling approach for Link 16 modifies the process by which data bits are allocated to hops based on an assessment of hops affected by jamming, thus avoiding portions of the spectrum occupied by a jammer.
Method and device for performing a logged measurement in a wireless communication system
A method for performing a logged measurement in wireless communication system is provided. The method includes receiving measurement configuration from a network, logging MDT (Minimization of Driving Tests) measurement, detecting whether a condition for state transition has occurred, performing state transition when the condition for state transition has occurred, and logging state transition information related to said state transition.
Analyzing and classifying signaling sets or calls
An apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to analyze a plurality of separate signaling sets with regard to similarities and dissimilarities between at least two of the plurality of the signaling sets for classifying each signaling set into at least one class of signaling sets in accordance with a result of the analysis, wherein the analyzing comprises transforming trace data representing a respective one of the plurality of signaling sets for generating a signaling set sequence according to a sequence model by filtering predetermined information from the trace data, evaluating a distance of signaling sets by using respective signaling set sequences, wherein the distance is indicated by a distance metric, and assigning the respective signaling set to a signaling set class on the basis of the distance metric.
Method and device for detecting traffic hot spot of cell
The embodiments of the present invention provide a method and a device for detecting a traffic hot spot of a cell. The method includes: acquiring load information of a cell in which a wireless access point AP is located, the load information includes at least two types of the following information: a data rate of user traffic requirement, the number of users associated with an AP, an average length of data packets and an average duration of successful transmissions; determining whether an operating state of the AP is abnormal according to the at least two types of information; determining a satisfaction degree of user according to the actual traffic rate of user, if the operating state of the AP is abnormal; and determining that a traffic hot spot exists in the cell, if the satisfaction degree of user is lower than a first preset threshold.
System and method for controlling a wireless device
A method and a device are provided for controlling operation of a wireless device (200). The method (500) includes transmitting an initial signal (410) to a controller device (120) in an initial mode (505); receiving initial instructions (420) from the controller device in the initial mode, after transmitting the initial signal (510), the initial instructions identifying an operational mode; setting transmit and receive circuitry in the wireless device to transmit and receive according to the operational mode (515, 520, 525); and transmitting operational signals (430) in the operational mode (530). The wireless device 200 includes an antenna controller (290) and an antenna switch (225) for implementing this method.
Method and apparatus for cancelling an interference in wireless communication system
A method and an apparatus for cancelling interference in a wireless communication system are provided. The method includes acquiring interference signal information on a reception signal received from a base station based on a preconfigured constellation set, and cancelling an interference signal from the reception signal by using the acquired interference signal information. Accordingly, reception performance in a cell edge can be improved by acquiring dominant interference signal information.
Efficient adaptable wireless network system with agile beamforming
Beamforming for adapting wireless signaling beams in an adaptive and agile manner is contemplated. The beamforming may be characterized by adaptively constructing beam form parameters to provide wireless signaling in a manner that maximizes efficiency and bandwidth according to device positioning relative to a responding base station.
Method for configuring quiet period in cognitive radio system and device thereof
Various examples of the present disclosure describe a method for configuring a quiet period in a CR system and a device thereof. The method includes: determining, by a base station, a maximum value of a quiet period parameter of a CR system based on maximum duration of interference which a radio authorization system tolerates and maximum loss of capacity which the CR system tolerates; determining a sensing algorithm based on a detecting performance requirement and the maximum value of the quiet period parameter; determining a value of the quiet period parameter based on the sensing algorithm; and sending the quiet period parameter to a terminal of the CR system. When the examples of the present disclosure are employed, the rationality of the configuration of the quiet period parameter of the CR system is improved and the capacity loss of the CR system is reduced when the interference to the authorization system is reduced.
Method and apparatus for inferring wireless scan information without performing scanning or performing limited scanning
According to one embodiment of the invention, a non-transitory computer readable medium comprising instructions which, when executed by one or more hardware processors, cause performance of operations comprising entering, by a first access point associated with a wireless network, a first mode for collecting network data from one or more access points associated with the wireless network, entering, by the first access point, a second mode for transmitting data to and from one or more client devices associated with the wireless network, and when a number of access points associated with the wireless network is greater than or equal to a number of channels of the wireless network, (i) collecting, by the first access point, network data of a first channel of the wireless network and (ii) receiving, by the first access point, network data of a second channel of the wireless network from a network coordination device is shown.
Method of controlling a timer in user equipment
A method of controlling a timer in a User Equipment (UE) is provided. The method includes determining, by a controller in the UE, whether a current international mobile subscriber identity (IMSI) matches a stored IMSI if the UE is powered ON, activating, by the controller, the timer if the current IMSI matches the stored IMSI; and stopping the timer if the current IMSI does not match the stored IMSI.
Providing wireless network authentication data to climate control system devices
Disclosed are exemplary embodiments of apparatus and methods for provisioning a wireless-capable climate control system device for a wireless network. In an exemplary embodiment, a method of provisioning a wireless-capable target device for a wireless network includes providing, to the target device, wireless network authentication data for joining the wireless network. The providing is performed using a user-interface-equipped device. The target device attempts to join the wireless network using the wireless network authentication data. In some embodiments the user-interface-equipped device receives a signal from the target device indicating whether the attempt to join the wireless network was successful.
Wireless communication device and non-transitory computer-readable medium
A master terminal transmits sound waves that are a synchronization signal from a speaker to a slave terminal at random time intervals. Upon acquiring the sound waves that are the synchronization signal by microphone, the slave terminal promptly transmits a response signal through wireless communication to the master terminal. The master terminal receives the response signal and a terminal ID transmitted from the slave terminal. The master terminal receives the response signal multiple times and determines whether time intervals when synchronization signals were transmitted and time intervals when response signals were received match. When the synchronization signal time intervals and the response signal time intervals match, the master terminal recognizes the slave terminal that transmitted response signals at time intervals matching the synchronization signal time intervals as a wireless communication connection target. Slave terminals that transmitted response signals at time intervals not matching the synchronization signal time intervals are excluded from wireless communication connection targets.
Roaming support for software defined networking architecture in mobile network
A software defined networking controller can be provided to manage sharing of information relating to roaming requests for mobile devices that are roaming on visited networks. The software defined networking controller can be a sub-instance of a main software defined networking controller that manages traffic within the home network, and the software defined networking controller can sit at the edge of the home network and control edge routing elements. The edge software defined networking controller may communicate with roaming partner's edge software defined networking controller and/or with the roaming interconnect operator's software defined networking controller to exchange roaming related information.
Suppression of discovery of mobile devices in a wireless network
Technologies are generally described for suppressing discovery of mobile devices in a wireless ubiquitous computing (ubicomp) network, reducing the number of network transmissions by devices in the network and reducing network congestion and prolonging battery life. A mobile device may add supplementary information to introductory beacons transmitted by the device that indicate no response is necessary from other devices participating in the network except for a coordinator of the network. The mobile device may transmit a malformed introductory beacon that will be ignored by other devices in the network except for the coordinator. The coordinator of the wireless network may detect the mobile device moving through the network and transmit a suppression signal to other devices in the network causing the devices to ignore the introductory beacons transmitted by the mobile device.
Method for operating an emergency call system, emergency call system
An emergency call system and a method for operating the emergency call system are provided. The emergency call system includes a mobile device and receiving stations. The mobile device has a radio module to transmit an emergency call and each of the receiving stations is configured as a router and has an alarm device and a radio module to receive the emergency call. The emergency call is transmitted from the mobile device to a first receiving station to trigger the alarm signal and a position of the mobile device relative to the receiving stations is determined. Depending on the position, only one of the receiving stations is selected to trigger the alarm signal.
Intelligent presence detection messaging
A social messaging hub provides communication services including intelligent presence detection messaging for a data enabled device having Internet network access capabilities. In one embodiment, a user is given a registered phone number and has multiple devices with unique IP addressable identifications which serve as a source and destination identifiers of the associated data enabled devices. The hub receives device and default location information, sets geofence boundaries, receives a notification of device positions and then delivers messages based on the proximity of devices to each other and user preferences.
Apparatus and method for real-time public safety evidentiary data collection
An evidentiary electronic processor receives identifying data associated with respective ones of a plurality of communication devices associated with an incident. The evidentiary electronic processor determines an assignment status of each communication device using the respective identifying data. The assignment status indicates that a communication device is one of assigned to the incident, unassigned to the incident and associated with a first profile that is relevant to the incident, or unassigned to the incident and associated with a second profile that is irrelevant to the incident. The evidentiary electronic processor receives sensor data associated with the incident from a sending communication device out of the plurality of communication devices. The evidentiary electronic processor processes the sensor data based on a respective assignment status associated with the sending communication device.
Systems and methods for detecting driver phone operation using device position and orientation data
A method for determining the position in a vehicle of a first device in communication with a microprocessor may include receiving, at the microprocessor, a first set of inertial data from at least one sensor of the first device; receiving, at the microprocessor, a second set of inertial data from at least one sensor of a reference device disposed within the vehicle; and determining, using the microprocessor, the position of the first device in the vehicle by comparing the first set of inertial data with the second set of inertial data.
Mobile device detection and tracking
Disclosed is a technique for passively monitoring the number of guests in a rental property. Mobile device broadcasts intended for connecting the device to a wireless network contain information about that device. This information includes unique identifiers such as MAC addresses. Detecting these broadcasts and filtering out those devices that are expected enables a property owner to have a semi-accurate number of guests within their property without actually being at the property, or visibly observing the guests in an obtrusive fashion. Guests are able to enjoy themselves in privacy and the property owner is able to monitor the safety of their property.
Techniques for estimating distance between wireless communication devices
Certain aspects of the present disclosure relate to techniques and apparatus for estimating a distance between a first and second apparatus. For example, the first apparatus may obtain a plurality of training signals received in a plurality of directions from a second apparatus and estimate, based on the plurality of training signals, a distance between the first apparatus and the second apparatus. In certain aspects, the distance may be estimated based on a ratio of receive powers of first and second training signals of the plurality of training signals.
A method and apparatus for a wireless device that can adapt a rate of related wireless network unit scans for adjacent networks is disclosed. In one embodiment, the wireless device can include a wireless network unit and a co-located geo-location signal receiver, and a processor. The processor can determine the position and speed of the wireless device from data received from the geo-location signal receiver. The processor can configure the wireless network unit to adapt the rate of related wireless network scans based upon determined speed and position. In one embodiment, the wireless network unit scans can be wireless scans for other nearby networks for roaming or location based services.
Floor level determination
Methods, systems, and computer program product for determining a building floor level are described. A mobile device can use wireless signal sources and location fingerprint data to determine a level of a building floor on which the mobile device is located. The location fingerprint data can include or be associated with a list and a count of wireless signal sources previously detected on each floor. The mobile device can compare the list and count with wireless signal sources detected by the mobile device, and use results of the comparison to configure a statistical filter that determines a location of the mobile device. The mobile device can then determine the location, including a building floor level, using the statistical filter.
Wirelessly receiving information related to a mobile device at which another mobile device is pointed
Techniques for wirelessly receiving, at a mobile device, information related to another mobile device determined to be in a line of sight relative to the mobile device, are presented. In an aspect, a method includes, determining by a first mobile device, a location of a mobile object determined to be in a line of sight relative to the first mobile device, and wirelessly receiving descriptive information associated with a second mobile device having a location substantially corresponding to the location of the mobile object.
Mobile computing device application sharing
Technologies pertaining to sharing an application installed on a mobile computing device with another computing device are described herein. An indication is received that the application is desirably shared with the another computing device. Responsive to receiving such indication, a communications channel is automatically established between the mobile computing device and the another computing device, and display data generated at the mobile computing device is transmitted to the another computing device by way of the communications channel. The display data is displayed on the another computing device.
Electronic device and operation method thereof
Disclosed are a method and an apparatus for providing a content. An electronic device includes a wireless communication module; a display; a memory; and a processor functionally connected to the wireless communication module, the display, and the memory, wherein the processor displays a guide interface for a content, determines a download or execution of the content based on a user input made using the guide interface, receives a demo content from an external device and displays the demo content in response to the execution of the content, and downloads the content from the external device in response to the download of the content. Various embodiments are possible.
Methods, apparatus and system for mobile piggybacking
Methods, systems, and apparatus for providing assistance to a user of a mobile application are described. A request from a mobile device is issued to a remote device for assistance. Information from the mobile device is periodically transmitted to the remote device, the information comprising command information submitted to a mobile application by a user.
System and method for facilitating carrier-specific configuration of a user device based on pre-stored information for multiple carriers
In certain embodiments, carrier-specific configuration of a user device may be facilitated based on pre-stored information for multiple carriers. In some embodiments, a user device may store information for limited access (that allows the user device to obtain carrier-specific parameters from carrier networks). During activation, the user device may select one of the carrier networks on which the user device is to be configured to operate. Responsive to the selection, the user device may provide, to a carrier-side computer system on the selected carrier network, a request for limited access to the selected carrier network for configuring the user device, wherein the request comprises the stored access information that allows the user device to obtain carrier-specific parameters via the selected carrier network. Responsive to the limited access being granted, the user device may obtain a configuration package from the carrier-side computer system comprising parameters for configuring the user device.
Apparatus and method for estimating an overall mixing time based on at least a first pair of room impulse responses, as well as corresponding computer program
An apparatus for estimating an overall mixing time, where the apparatus comprises a processing element configured to determine differences between energy profiles of a first room impulse response of the first pair of room impulse responses and a second room impulse response of the first pair of room impulse responses at a plurality of different sample times of the first pair of room impulse responses, set a sample time of the plurality of sample times as a mixing time for the first pair of room impulse responses at which the difference between the energy profiles of the first room impulse response and the second room impulse response of the first pair of room impulse responses is equal to or below a threshold value, and determine the overall mixing time based on the mixing time for the first pair of room impulse responses.
Method and signal processing unit for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
A method for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration includes providing a set of rules associated with each input channel of the plurality of input channels, wherein the rules define different mappings between the associated input channel and a set of output channels. For each input channel of the plurality of input channels, a rule associated with the input channel is accessed, determination is made whether the set of output channels defined in the accessed rule is present in the output channel configuration, and the accessed rule is selected if the set of output channels defined in the accessed rule is present in the output channel configuration. The input channels are mapped to the output channels according to the selected rule.
Function control apparatus
An electronic device includes processing circuitry configured to produce an audio sound from a virtual sound source position. The circuitry also acquires from a user-input a sound position information of a perceived sound source position, and then controls an enable or disable of a function of the electronic device based on a relationship between the virtual sound source position and the perceived sound source position.
System, apparatus and method for consistent acoustic scene reproduction based on informed spatial filtering
A system for generating and outputting one or more audio output signals has a decomposition module, a signal processor, and an output interface. The decomposition module can receive two or more audio input signals, to generate a direct component signal, having direct signal components of the audio input signals, and to generate a diffuse component signal, having diffuse signal components of the audio input signals. The signal processor can receive the direct component signal, the diffuse component signal and direction information, to generate one or more processed diffuse signals depending on the diffuse component signal, for each of the one or more audio output signals, to determine, depending on the direction of arrival, a direct gain, to apply the direct gain on the direct component signal to obtain a processed direct signal, and to combine the processed direct signal and a processed diffuse signal to generate the audio output signal.
Playback device calibration
Examples described herein involve calibration of a playback device. In an example, a system maintains a database of representative acoustic characteristics. Each representative acoustic characteristic corresponds to a respective plurality of network devices and the network devices in each respective plurality of network devices shares characteristics. The system receives, from a particular network device, data indicating characteristics of the particular network device, an identification of a playback device, and data indicating audio detected by the particular network device while the playback device played a calibration tone. The system identifies, in the database, the representative acoustic characteristic corresponding to those characteristics. Based on the identified representative acoustic characteristic, the identification of the playback device, and the data indicating the detected audio, the system determines an audio processing algorithm to adjust audio output of the playback device. The system causes audio output of the playback device to be adjusted by determined algorithm.
Audio crosstalk calibration switch
Methods and apparatus for calibrating an audio system including headset coupled to an electronic device via an audio dongle. In an example, a circuit configured to couple a Universal Serial Bus (USB) audio dongle with an audio circuit of an electronic device can include a first impedance configured to couple with a first audio channel of the audio circuit, a second impedance coupled in series with the first impedance and configured to couple with a second audio channel of the audio circuit, a third impedance coupled to a ground sense channel and to a node common to the first impedance and the second impedance, and a controller configured to initiate a first signal on the first channel, to monitor crosstalk of the first signal on the second audio channel and to adjust a setting of the third impedance to reduce the crosstalk.
Themed ornaments with internet radio receiver
Apparatuses for playing signals received from the internet or other information highway or a stored database on one or more speakers are described. The apparatus has a receiver for receiving information from preselected addresses; a processor for interpreting the signals; and at least one speaker for playing signals from the internet. There is at least display device connected to the receiver for displaying an image received from the internet. The processor selects images that correspond with the signals played by the speaker.
Method of fitting a hearing device to a user, a fitting system for a hearing device and a hearing device
The application relates to a method of fitting a hearing device to a user, the method comprising a) Defining a user as a first time user; b) Selecting a processing algorithm to have special first time user settings; c) Defining prescribed settings for the user; d) Defining special first time user settings for said processing algorithm; e) Defining a scheme for adapting said special first time user settings to said prescribed settings over time. The application further relates to a method of a fitting system and to a hearing device. The object of the present application is to provide an alternative fitting scheme for a first time user of a hearing device. The method further provides that the processing algorithm to have special first time user settings is selected from the group comprising noise reduction algorithms, directionality algorithms, binaural compression algorithms, and a combination thereof. The method provides an alternative way of customizing a first time user of a hearing device to the usage of the hearing device. The invention may e.g. be used in hearing devices that need to be customized to a particular user's wishes.
Wireless control system for personal communication device
A method for generating a control signal from an inaudible acoustic signal comprising modulating the inaudible acoustic signal, wherein the inaudible signal is converted to a modulated inaudible acoustic signal comprising a first frequency comprising 17 kHz over a time duration of 50 ms, a first null over a time duration of 50 ms, a second frequency comprising 18 kHz over a time duration of 100 ms followed by a second null over a time duration of 50 ms, transmitting the modulated inaudible acoustic signal and an audio signal to a signal receiving device, sampling the modulated inaudible acoustic signal at a frequency of 16 kHz, wherein the modulated inaudible acoustic signal is converted to a digitally modulated inaudible acoustic signal, filtering the digitally modulated inaudible acoustic signal to provide an acoustic filter response signal comprising an acoustic null component and an acoustic down-converted component, demodulating the acoustic filter response signal, wherein the acoustic down-converted component is isolated from the acoustic null component, the isolated acoustic down-converted component representing a control signal.
Scene and state augmented signal shaping and separation
Scene and/or state information may be used to facilitate processing an input to separate one or more signals within the input, to shape the signal within the input, and/or for other processing of the input or signal(s) within the input. A scene determination may be made based upon location data, time data, data describing the received input, or other basis. A state determination may be made based upon the scene determination, properties of a signal itself, or other information such as location, time, etc. By determining an appropriate scene and/or state, processing of an input and/or a signal within an input may proceed in a fashion determined to provide the most valuable information for output. Systems and methods in accordance with the invention may be implemented in a wide variety of baseband processing systems, such as hearing aids and energy consumption monitoring systems.
Acoustic transducer and microphone using the acoustic transducer
Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
Digital silicon microphone with configurable sensitivity, frequency response and noise transfer function
In some embodiments, a microphone system includes a multi-bit delta-sigma modulator configured to be coupled to a microphone and configured to covert an output of the microphone into a first digital signal with a multi-bit resolution at a first output of the multi-bit delta-sigma modulator. The microphone system also includes a digital noise shaper coupled to the first output of the multi-bit delta-sigma modulator, and configured to convert a multi-bit digital input of the digital noise shaper into a one-bit digital signal.
A multi-diaphragm speaker comprises at least four diaphragms, inner connecting rods, and outer connecting rods. The diaphragms located at odd-numbered positions are connected to the inner connecting rods via connecting points, and then the inner connecting rods are connected via the outer connecting rods, thus forming a first set of diaphragms. The diaphragms located at even-numbered positions are connected to the inner connecting rods via connecting points, and then the inner connecting points are connected via the outer connecting rods, thus forming a second set of diaphragms. The long rods and short rods of the inner connecting rods in the first set of diaphragms and in the second set of diaphragms are staggered. The present invention can implement connection of diaphragms without requiring penetration of the diaphragms, thus preventing occurrences of air leakage and poor sound quality, and enhancing sound effects of the speaker.
Composite yoke for bone conduction transducer
An embodiment discloses the present disclosure includes a transducer having a yoke. The yoke includes a pair of arms. The yoke further includes a layer high permeability steel located between the pair of arms. The yoke also includes a metal coil wrapped around a post located at a central location on the layer of high permeability steel. The apparatus also includes a pair of permanent magnets attached to the single layer high permeability steel, where the permanent magnets each flank the post. The apparatus further includes a pair of springs, each includes a first end and second end, where the first end of each spring is attached to one of the respective arms. Yet further, the apparatus includes a diaphragm coupled to the second end of each spring configured to vibrate in response to a signal supplied to the metal coil.
Transducer and method of operation
In one embodiment, there is described a new transducer, and in particular an improved system and method for producing linear motion for a transducer such as used in voice coils converting from an electrical input to a mechanical linear motion input.
Electronic device, method and computer program
An electronic device comprising a processing unit arranged to determine an estimation signal (y(k)) based on an input signal (x(k)) and based on a non-stationary reference signal (s0(k)).
Automatic audio system equalizing
An automated process for equalizing an audio system and an apparatus for implementing the process. An audio system includes a microphone unit, for receiving the sound waves radiated from a plurality of speakers, acoustic measuring circuitry, for calculating frequency response measurements; a memory, for storing characteristic data of the loudspeaker units and further for storing the frequency response measurements; and equalization calculation circuitry, for calculating an equalization pattern responsive to the digital data and responsive to the characteristic data of the plurality of loudspeaker units. Also described is an automated equalizing system including a acoustic measuring circuitry including a microphone for measuring frequency response at a plurality of locations; a memory, for storing the frequency responses at the plurality of locations; and equalization calculation circuitry, for calculating, from the frequency responses, an optimized equalization pattern.
Narrow-angle directional microphone and method of manufacturing the same
Excellent narrow-angle directivity is obtained by causing a microphone case main body to function as an acoustic tube, reducing a weight of a microphone, and suppressing leakage of sound waves from an inside of the acoustic tube to an outside. An acoustic tube microphone case includes a microphone case main body made of a metal tube having a plurality of openings formed in a peripheral surface, and acoustic resistance materials formed in a rectangular sheet manner, cylindrically rounded such that both right and left ends are mutually in contact, and arranged along an inner peripheral surface of the microphone case main body. A plurality of the acoustic resistance materials is layered, and at least the innermost acoustic resistance material applies a force in a developing direction by an elastic force thereof, and presses the outside acoustic resistance materials against the inner peripheral surface of the microphone case main body.
Device for creating a sound source
Described is a device for creating a sound source comprising integrated measuring means (50) for measuring a property representative of the strength of the sound source, the device comprising a sound generator (40a, 40b) for generating sound within an annular space defined around a central axis, the device comprising a pair of guiding surfaces (113, 123) for guiding sound away from the annular space in opposite directions along the central axis. With sound being guided as described, sound in addition being allowed to propagate outside the device in a radial direction with respect to the central axis, a high degree of omnidirectionality of the created sound source is attained.
Loudspeaker device having foam insert to improve gas distribution in sound adsorber material
A loudspeaker device having housing and an acoustic transducer is disclosed. The housing has a transducer space for the acoustic transducer, and a back volume space. The back volume filled with a sound adsorber material and a foam material. The sound adsorber material in the back volume space is configured to virtually increase the size of the back volume space, and shift the resonant frequency of the back volume space. The foam material separates the sound adsorber from the transducer space and facilitates gas exchange and air flow within the back volume space and between the sound adsorber and the transducer space. The foam material is configured in different arrangements to facilitate the gas exchange and air flow.
Earphone having an acoustic tuning mechanism
An earphone comprising an earphone housing having a body portion, the body portion having an acoustic output opening to output sound from a driver positioned therein into an ear of a user. An acoustic tuning member is positioned within the body portion. The acoustic tuning member defines a back volume chamber of the driver and includes an acoustic output port for outputting sound from the back volume chamber of the driver to improve an acoustic performance of the earphone.
A headphone includes a speaker casing and a headband. The speaker casing has a main speaker unit and a support member that supports the main speaker unit. The speaker casing is connected to the headband, and the headband is to be placed on a head of a user. The support member supports the main speaker unit with a main plane of the main speaker unit being positioned at an angle ranging from 10° to 30° inclusive with respect to a main plane of the support member, so that the main plane of the main speaker unit faces a side of an ear lobe of the user.
System and method for providing a notification of device orientation
A device includes a microphone, a sensor that generates a first signal that is indicative of an orientation of the microphone, and a processor. The processor uses the first signal to determine if the microphone is in a predetermined orientation. Further, the processor, responsive to determining that the microphone is not in the predetermined orientation, generates a second signal that is used to provide a notification that the microphone is not in the predetermined orientation.
Video encoding method and apparatus
A video encoding method and apparatus are provided, in which the method comprises the steps of obtaining respective original picture data in sequence; generating respective multi-media audio and video files in sequence according to the obtained original picture data; parsing each multi-media audio and video file, encapsulating the result of parsing according to a predetermined standard to obtain encoded picture data corresponding to each multi-media audio and video file and conforming to the predetermined standard, and outputting the encoded picture data. The solutions in the present disclosure may meet the need of stream-typed video traffic for small granularity encoded picture data in frame level.
Method of restricting offline video playback to include advertisements
A method may include receiving, by a processing device of a user device, a media item and storing the media item in a local store for offline playback of the media item on the user device, responsive to a user request to play the media item, identifying one or more offline playback settings associated with the media item, determining, based on the offline playback settings, whether the media item is to be played with an advertisement, and if the media item is to be played with the advertisement, providing playback of the media item from the local store with the advertisement on the user device.
Controlling display of media content
Disclosed herein are system, apparatus, article of manufacture, method, and/or computer program product embodiments for controlling display of media content. An embodiment operates by receiving a selection of media content for playback, presenting interstitial media content on a first device prior to playing the media content, transmitting an option to skip the interstitial media content to a second device, receiving a request to skip the interstitial media content from the second device, stopping presentation of the interstitial media content on the first device, and presenting the selected media content on the first device.
Selection of a proxy device for a network
Multiple devices in a user's premises may each be configured to separately communicate with an external network, but the signal strength available to each may vary significantly depending on the wiring of the premises. The disclosure provides methods wherein the various devices may coordinate with one another, and determine which among them has the best signal connection and the most available capacity, and a subset of the devices may be chosen to act as network proxies to relay communications to/from the other devices in the premises.
Application display method and terminal
The present disclosure discloses a method and terminal for displaying an application. According to an example, in the method, a terminal creates a user interface (UI) operation controller and an UI operation window for an application when receiving an operation command from a user for the application, wherein when a video displaying command for a video application is received, the created UI operation controller is a video decoder, the created UI operation window is a video displaying window and the video displaying window is displayed in a designated area in a UI provided by the terminal, when the UI operation window for another application is received, the entire UI operation window covers the entire designated area and has a same size with the designated area, or the entire UI operation window is within the designated area. The terminal configures an attribute of the UI operation window with transparency and semi-transparency, and configures the UI operation window on the video displaying window when both the video displaying window and the UI operation window are displayed in the UI. According to the technical solution of the present disclosure, utilization of a screen in the terminal is improved.
Image signal receiving apparatus, method for setting receiving channel thereof, and display apparatus
There are provided an image signal receiving apparatus, a method for setting a receiving channel of the image signal receiving apparatus, and a display apparatus. The method for setting the receiving channel comprises: storing (101) map information in the image signal receiving apparatus, wherein the map information comprises correspondence relationship between a transmitting channel and the receiving channel at each of different geographical positions; automatically determining (102) a geographical position where the image signal receiving apparatus is located; inquiring (103) the correspondence relationship between the transmitting channel and the receiving channel according to the geographical position where the image signal receiving apparatus is located; and setting (104) the receiving channel of the image signal receiving apparatus according to result of the inquiry. In the image signal receiving apparatus and the method for setting the receiving channel of the image signal receiving apparatus, a geographical position, where the image signal receiving apparatus is located, is determined automatically by a positioning module without inputting the geographical position where the image signal receiving apparatus is located manually, such that setting of the receiving channel of the image signal receiving apparatus after it moves in geographical position becomes more convenient, the troublesome manual setting is removed, and efficiency of the setting for the receiving channel is also improved.
Apparatus, systems and methods for deleting recording timers of a media device
Systems and methods are operable to manage timers that control recording of media content. An exemplary embodiment compares a retrieved stale timer criteria with a retrieved timer attribute; determines whether the timer is stale based on the comparison of the retrieved timer attribute and the stale timer criteria, wherein the timer is determined to be stale when the media content event identified by the timer will not be recorded because the media content event identified by the timer is not scheduled to be broadcast at a future date; and then automatically deletes the timer in response to determining that the timer is stale.
Multiple stream tuning
System and techniques for multiple stream tuning are described herein. A plurality of content streams may be received. The plurality of content streams may be ranked. A user attention level may be scored as the user observes at least one content stream of the plurality of content streams. The user attention level and a rank for the at least one content stream may be compared to remaining ranks of the plurality of content streams to produce a difference. A stream action may be performed on a set of content streams from the plurality of content streams based on the difference.
Video processing method and video processing apparatus
The present invention relates to a video processing method and a video processing apparatus. An embodiment of the present invention provides a video processing method comprising the steps of: transmitting display related information on a display device to a source device through an interface; receiving video option information on a UHD video processed according to a video expression function of the display device through the interface; receiving the processed UHD video through the interface; and expressing the received UHD video on the display device.
Personal base station system with wireless video capability
A personal base station (PBS) having wireless video capability. The PBS authenticates a mobile device within range for cellular services, and authenticates the user for a level of service for cable television. The PBS operates in accordance with a dual-purpose subscriber identity system (SIS) includes a subscriber mobile identity component (SMIC) and a video security component (VSC) such that the cellular and television services can be authenticated. Mobile devices incorporating the disclosed innovations, as well as the PBS, can access video content from a cable television provider through any available broadband link, regardless of the mobile device's physical location.
Method and system for processing MPEG data
Provided is a method of processing MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining a duration flag indicating whether duration information of the at least one access unit is valid, in a corresponding MPU; and inserting the duration flag into a header of the corresponding MPU.
A method, non-transitory computer-readable storage medium, and reception apparatus for processing one or more triggers associated with audio/video (A/V) content, and an information providing apparatus for providing the one or more triggers. The method includes receiving by the reception apparatus the A/V content and a first trigger associated with the received A/V content. Further, the reception apparatus retrieves a trigger parameters table (TPT), associated with the A/V content, from a TPT server identified in the received first trigger. The TPT defines at least one event associated with the A/V content and defines, for each of the at least one event, a parameter used to perform a process and corresponding to the respective event.
Methods, systems, and media for transforming fingerprints to detect unauthorized media content items
Methods, systems, and media for transforming fingerprints to detect unauthorized media content items are provided. The method comprises: receiving criteria relating to an application of a circumvention technique to one or more video content items, wherein the criteria includes abuse criteria that describes the circumvention technique and a transform for use with the one or more video content items in which the circumvention technique was applied; generating an abuse query that includes at least a portion of the abuse criteria that describes the circumvention technique; determining from a plurality of video content items, a subset of video content items responsive to the abuse query; applying, for each video content item in the subset of video content items, the transform to each video content item to obtain a transformed video content item; generating, for each transformed video content item, a fingerprint that represents the transformed video content item; and comparing the fingerprint of the transformed video content item to a plurality of fingerprints associated with reference video content items to determine whether the video content item corresponding to the transformed video content item matches one of the reference video content items.
Robust digital channels
Various implementations provide one or more of improved programming channel change time and/or overall quality of television reception by using multiple transmission channels. In one particular implementation, a first layer of a picture is encoded using a first level of error protection. The encoded first layer has a first decoding delay. A second layer of the picture is encoded using a second level of error protection. The encoded second layer has a second decoding delay. The second level of error protection is lower than the first level of error protection, and the second decoding delay is longer than the first decoding delay. Other implementations provide a signal or signal structure carrying the encoded first and second layers. Yet further implementations decode the encoded first and second layers.
Scalable video coding method and apparatus using intra prediction mode
The present invention relates to a scalable video coding method and apparatus using an intra prediction mode. A decoding method includes configuring a maximum probability mode set for predicting an intra prediction mode for a target decoding block of an enhancement layer so that the maximum probability mode set includes an intra prediction mode for a corresponding block of a reference layer and restoring the target decoding block of the enhancement layer using any one of intra prediction modes included in the maximum probability mode set.
Reference picture set mapping for standard scalable video coding
Systems, methods, and instrumentalities are disclosed for reference picture set mapping for scalable video coding. A device may receive an encoded scalable video stream comprising a base layer video stream and an enhancement layer video stream. The base layer video stream and the enhancement layer video streams may be encoded according to different video codecs. For example, the base layer video stream may be encoded according to H.264/AVC and the enhancement layer may be encoded according to HEVC. The enhancement layer video stream may include inter-layer prediction information. The inter-layer prediction information may include information relating to the base layer coding structure. The inter-layer prediction information may identify one or more reference pictures available in a base layer decoded picture buffer (DPB). A decoder may use the inter-layer prediction information to decode the enhancement layer video stream.
Parallel decode of a progressive JPEG bitstream
A progressive JPEG bitstream may comprise an image component that is comprised of multiple scans of MCUs/data units that are in turn comprised of at least one MCU/data unit segment. Each MCU/data unit segment is successively scanned. The MCU/data unit segment is then reconstructed using multiple entropy decoders operating in parallel on different scans of each MCU/data unit segment.
Compression device and compression method
A compression device includes a first compressor section, a second compressor section, and a selector. The first compressor section outputs a first compression result or a second compression result as a middle compression result. The first compression result includes a first compression pixel value generated by compressing pixel values of compression target pixels without referring to pixel values of pixels belonging to a line different from a current line. The second compression result includes a second compression pixel value generated by compressing pixel values of the compression target pixels based on a correlation among pixel values of the compression target pixels and reference approximate pixel values. The second compressor section outputs a third compression result based on the correlation among the pixel values of the compression target pixels. The selector outputs one of the middle compression result or the third compression result as a final compression result.
System and method for slice processing computer-related tasks
Methods and systems therefrom are provided for task processing in a computing environment. The method includes identifying a program to be executed by a processor for performing at least one task and determining that a memory requirement for the program does not exceed a capacity of a cache memory for the processor to perform the task. The method also includes, in response to determining that the memory requirement for the program does not exceed the capacity of the cache memory, instructing the processor to enter into a slice mode from a current mode and execute the program in the slice mode to perform the task. In the method, the slice mode comprises copying the program from the backing store memory to the cache memory and executing the program to perform the at least one task by utilizing the program copied to cache memory.
Indication of parallel processing in video coding
In an example, a method of decoding video data includes decoding, from a video parameter set (VPS) of a multi-layer bitstream, data that indicates at least one of a tile configuration for layers of the multi-layer bitstream or a parallel processing configuration for layers of the multi-layer bitstream. The method also includes decoding the multi-layer bitstream in accordance with the data decoded from the VPS.
Method and apparatus of creating media content
A method and apparatus of processing content, such as, video and/or audio are disclosed. The operations of processing content may include receiving user input, such as, a content file, a type of content format, and a content destination. Other operations include determining necessary operations needed to complete the content processing and determining the applications available to the user on a local machine used by the user. The operations further include determining whether the user's local machine includes the necessary applications to perform the content processing, and determining a codec that will be used to process the content, and formatting the content using the codec and distributing the content to the content destination.
Contexts for large coding tree units
In an example, a method of coding video data may include selecting, as part of an entropy coding process, a context for a syntax element associated with a current coding unit (CU) based on information relating to CU depth of one or more neighboring CUs relative to the current CU. The syntax element may represent whether the current CU is split into sub-CUs. The method may include entropy coding the syntax element based on the selected context.
Method for inter prediction and device therefore, and method for motion compensation and device therefore
Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
Target output layers in video coding
In one example, a device includes a video coder configured to code a multilayer bitstream comprising a plurality of layers of video data, where the plurality of layers of video data are associated with a plurality of layer sets, and where each layer set contains one or more layers of video data of the plurality of layers, and to code on one or more syntax elements of the bitstream indicating one or more output operation points, where each output operation point is associated with a layer set of the plurality of layer sets and one or more target output layers of the plurality of layers.
Active shutter head mounted display
A head mounted display (HMD) device may include a housing coupled to a frame, and a display disposed in the housing. A first lens and a first active shutter may be disposed along a first optical axis in the housing, and a second lens and a second active shutter may be disposed along a second optical axis in the housing. A controller may alternately switch the display, the first active shutter and the second active shutter between a first mode and a second mode. In the first mode the first active shutter may be activated and the second active shutter may be deactivated. In the second mode the first active shutter may be deactivated and the second active shutter may be activated.
Method for predicting stereoscopic depth and apparatus thereof
The present application discloses a method for predicting stereoscopic depth comprising capturing object images of a target scene; generating a stereoscopic depth image associated with the object images; identifying a no-depth-data region in the stereoscopic depth image; identifying a depth-data region correlated to the no-depth-data region; and assigning a depth data to the no-depth-data region based on a depth data of the depth-data region correlated to the no-depth-data region.
Multi-resolution lightfield rendering using image pyramids
The present embodiments relate to multi-resolution lightfield representations and lightfield renderings. By way of introduction, the present embodiments include apparatuses and methods for generating multi-resolution lightfield representations used to generate lightfield renderings that provide end users with zoom functionality without distorting the rendering. Image data sets of a volume are captured at different resolutions for each camera position, and the image data sets are stored as multi-resolution image pyramids. The multi-resolution image pyramids represent the lightfield at different resolutions, and image data sets at a particular resolution are selected and used for generating a volume rendering at a zoom level chosen for the lightfield rendering.
Systems and methods for merging digital cinema packages for a multiscreen environment
Disclosed herein are systems and methods for packaging, distributing, and utilizing digital cinema packages (“DCPs”) with multiple screens or projectors. A merged DCP generation system is disclosed that includes a DCP ingestor module configured to receive and decode a main screen DCP and a peripheral screen DCP, the main screen DCP and the peripheral screen DCP each comprising digital files that include audiovisual information and metadata to enable the presentation of audiovisual content. The system includes a DCP editor module configured to combine the digital files of the main screen DCP and the digital files of the peripheral screen DCP to generate a merged composition playlist (“CPL”) comprising reels designating audiovisual content shown on the main screen and the peripheral screen. The system includes a DCP mastering and packaging module configured to generate a merged DCP from the combined digital files and the merged CPL.
Image generation apparatus, evaluation system, and non-transitory computer readable medium
An image generation apparatus includes an image-data generation unit, an image-data output unit, and a retaining unit. The image-data generation unit generates image data of an evaluation image having a first reference color, a second reference color, a first evaluation color, and a second evaluation color, the first and second reference colors being paired in a predetermined color space, the first and second evaluation colors being different colors between the first and second reference colors in the predetermined color space. The image-data output unit outputs the image data to a display device. The retaining unit retains image data of the first and second evaluation colors obtained when an image having the first evaluation color looks the same as an image having the second evaluation color in terms of brightness or tint in a case where the evaluation image is displayed on the display device.
Method for processing image and apparatus thereof
The present disclosure discloses a method for processing an image and an apparatus thereof, applicable to an electronic device including an image acquisition unit corresponding to an image acquisition area, wherein the method includes: generating a first image and a second image according to an object to be acquired in the image acquisition area at a first instance of time, wherein both the first image and the second image are images corresponding to the object to be acquired, and the amount of data of the first image is larger than the amount of data of the second image; and storing the first image and the second image and setting the second image as an associated image of the first image, to thereby improve the convenience and efficiency of processing the generated image in the electronic device.
Signal processing device, signal processing method, and signal processing program for performing color reproduction of an image
The present disclosure relates to a signal processing device, a signal processing method, and a signal processing program which can more accurately perform color reproduction to an image captured by using visible light and infrared light.A plurality of pixel signals, output by a color-difference sequential system from an image sensor on which light having passed through a color filter array including a plurality of complementary color filters is incident, are acquired. With respect to the plurality of pixel signals, a parameter to eliminate a term corresponding to a predetermined infrared wavelength in an equation to calculate a color-difference signal from the plurality of pixel signals, is set using the plurality of pixel signals. Thereafter, a luminance signal obtained by performing an addition process of the plurality of pixel signals and a color-difference signal obtained by performing a subtraction process between the plurality of pixel signals are calculated using the parameter.
System and method for autonomous PTZ tracking of aerial targets
A system and method for autonomous tracking of aerial targets in real space in a featureless background includes capturing and processing first and second images. A resultant image is produced which includes blobs corresponding to elements in the real space. The resultant image is further processed, together with either or both of the first and second images. One of the blobs is analyzed, classified, and tracked as a target.
Display control device for displaying an image based on image signals
A display control device includes: a receiver configured to receive an image signal; a measurer configured to measure the number of vertical scanning lines and horizontal scanning time of the image signal; a table generator configured to generate a provisional signal table when data measured by the measurer has not been retained in a previously prepared signal table; a detector configured to detect data for regulating an active display region of an image, from the image signal; and an updater configured to update the provisional signal table, based on a detection result by the detector.
Method for deleting data files in an electronic device
The present disclosure relates to a an electronic device such as a digital camera 300 that includes a deletion mode whereby a camera/electronic device user can delete captured images or data files that have already been transferred in order to make room in the electronic device or digital camera memory for capturing further images. In one embodiment a digital camera keep track of which images have already been transferred to an external storage device and presents those to the user as potential images to be deleted. In another embodiment, the user is presented with a “delete all transferred images” which when selected deletes all the captured images that have already been transferred. In still another embodiment, a deletion criteria is used to prioritize which images are deleted first.
Digital video and data transmission
Apparatus and methods for transmitting digital video data and auxiliary data over a four twisted wire pair cable, and systems using such apparatus, are described. A first, second and third digital video color signal and a digital video timing signal are transmitted using differential mode signalling over a first, second, third and fourth twisted wire pair of a cable. Auxiliary data is sent over a data channel using common mode signalling over a first pair of the four twisted wire pairs of the cable. A common mode choke can be used to add or remove a signal sent using the common mode signalling from a pair of wires also used to transmit one of the digital video color or digital video timing signals.
Low power standby mode in wireless imagers
This invention describes a novel solution to conserve battery and to overcome cold-start artifacts by maintaining the pixel charge traps at a stable value at all times. The design of NIP photodiode and TFT combination requires very low current (in order of hundreds of μA) to stay biased at all times. This allows the pixel charge traps to be easily maintained at a stable value with low power consumption. Power consumption is kept at a minimum by keeping all panel electronics off and only the pixels biased. In addition, keeping the pixels biased helps to overcome the cold-start artifact in the very first image.
Imaging system which corrects white balance of images
An imaging system includes: plural imaging devices which are mounted on the same moving body, and configured to capture subjects to acquire images; and a controller configured to calculate a target white balance value common to the images acquired by the imaging devices. Each imaging device includes: a white balance calculator configured to calculate an individual white balance value of the image acquired by the imaging device; and a white balance corrector configured to correct the individual white value of the image of the subject taken by the imaging device to the target white balance value. The controller includes a weighting unit configured to individually weight the individual white balance value given from each imaging device.
Display control apparatus and display control method
An image processing apparatus includes a display control unit configured to cause a display device to display a map image that indicates a layout of a plurality of cameras, an identification unit configured to identify one or a plurality of cameras that can capture an image of a designated region designated on the map image and can perform predetermined detection processing on the captured image, a processing unit configured to perform a display control for distinguishably indicating the one or plurality of cameras identified by the identification unit, among the plurality of cameras included in the map image, and a setting unit configured to make settings for causing at least one camera selected from the one or plurality of cameras identified by the identification unit to perform the predetermined detection processing.
Exposure control apparatus and exposure control method
An exposure control apparatus comprising: a local motion detection section which detects a local motion in a screen; a brightness detection section which detects a subject brightness; a local motion brightness determination setting section which sets a local motion brightness determination value for a local motion; and an exposure adjustment section which, when the local motion detection section has detected a motion corresponding to or exceeding a predetermined value, subsequently performs exposure control until the local motion brightness determination value is reached and, when the exposure has come closer to an appropriate exposure than the local motion brightness determination value, adjusts the exposure to a predetermined exposure value which is different from the appropriate exposure.
A locking device for locking an image sensor element in a camera, a camera comprising such a locking device, and a method for controlling image stabilization in a camera comprising such a locking device are disclosed. The locking device comprises two locking arrangements which are superimposed such that one or more locking holes of the locking arrangements at least partly overlap each other in pairs so as to form two open sections adapted to each receive a locking protrusion. The locking device is adjustable between a locked mode and an unlocked mode.
Actuator, camera module, and camera mounting device
The purpose of the present invention is to provide an actuator which can realize a further reduction in height. Provided is an actuator which performs shake correction by tilting a driven member using the drive force of a voice coil motor, wherein a support part tiltably supports a movable body with respect to a fixed body in which one from between a magnet part and a coil part is disposed on a base member, the movable body being configured so that the other from between the magnet part and the coil part is disposed on a frame-shaped retaining member on which the driven member is mounted. The retaining member has steps, and these steps enable a mounting site of the driven member to be closer to the base member than the disposition site of the one from between the coil part and the magnet part.
CMOS image sensors with feature extraction
A CMOS imaging sensor with embedded feature extraction capability operatable in different modes by a method that includes the steps of: (a) operating the CMOS imaging sensor in a motion-detecting mode at a first power level using circuitry on the imaging sensor that generates motion data based on received images detected by pixels in the pixel array; (b) switching the imaging sensor from the motion-detecting mode to a feature extraction mode in response to detecting motion; and (c) operating the imaging sensor in the feature extraction mode at a second power level that is higher than the first power level.
Image pickup apparatus, information processing apparatus, display apparatus, information processing system, image data sending method, image displaying method, and computer program
An image pickup apparatus includes an image data production unit which produces data of images of a plurality of resolutions, from an image frame obtained by picking up an image of a target object as a moving picture for each pixel string which configures a row, and an image sending unit which extracts, from the data of the images of the plurality of resolutions, pixel strings of a region requested from a host terminal and connect the extracted pixel strings for each number of pixels determined in accordance with a given rule to produce a stream and then transmit the stream to the host terminal. The image sending unit adjusts a connection pixel number of data of an image of a particular resolution such that, where N is an integer, data for 1/(N+1) frame are transmitted with respect to one frame of data of an image of the other resolution.
Systems and methods for providing attention directing functions in an image capturing device
An image capturing device/system is provided with attention directing functions for directing attentions of imaging targets. In particular, the image capturing device may include a presentation device, such as a visual or an audio presentation device. The presentation device may be provided on a side of the image capturing device facing the imaging targets when the image capturing device captures the images of the imaging targets. The presentation device may be configured to display or output a presentation before and/or during an image capturing process to direct the attentions of the imaging targets toward the image capturing device.
Autofocus method of camera using face detection and apparatus for controlling the camera
An autofocus method of a camera, having an actuator controlling the position of a lens in an open-loop mode, includes receiving and analyzing an image captured using the lens and generating a face detection signal indicating whether a face is detected based on the analysis result. The size of the face is calculated when the face is detected, and a start position of the lens is determined based on the size of the face. A focus position of the lens is sought based on the start position of the lens.
Image pickup apparatus including mirror unit and method of controlling the same
An image pickup apparatus enabling release time lag reduction. A first holder holds a first mirror and is movable between a first position in an optical path and a second position retracted from the optical path. A second holder holding a second mirror in a state rotatably attached to the first holder is movable between a third position in the optical path and a fourth position retracted from the optical path. An MPU causes an mirror drive unit to rotate the second holder in the third position toward the first holder in the first position, after termination of focus detection when the first and second holder are in the first and third positions, respectively, and before image pickup is instructed, to thereby move the second holder to a fifth position closer to the first holder than the third position is.
Camera and method with widescreen image on nearly-square aspect ratio photosensor array
A digital widescreen camera has an anamorphic lens focusing a field of view nearly twice as wide as tall on a photosensor array having nearly square aspect ratio. In embodiments, the photosensor array has an 8-pixel tiling unit organized as four pairs of adjacent left and right pixels, a first pair having two red-responsive pixels, a second pair having two blue-responsive pixels, and a third pair having two green-responsive pixels. In embodiments, signals from the 8-pixel tiling unit are processed into signals equivalent to signals from two adjacent Bayer-pattern 4-pixel tiling units. The corresponding method of digital photography includes receiving light through an anamorphic lens onto a photosensor array. In embodiments, the photosensor array has an eight-pixel tiling with four pairs of adjacent left and right pixels, a first pair with two red-responsive pixels, a second pair with two blue-responsive pixels, and a third pair with two green-responsive pixels.
Optical device including a camera, a diaphragm and illumination means for increasing the predetermined depth of field of the camera
An optical device (1) including a fixed focus camera having a predetermined depth of field with an optical axis (55), wherein the optical device (1) comprises a diaphragm (5) positioned in the optical axis (55) of the camera and comprising a light passing aperture (53) for increasing the predetermined depth of field of said camera to provide an increased depth of field, wherein the diaphragm is attached to the camera, wherein the light passing aperture (53) of the diaphragm (5) is circular shaped within an opaque screen and positioned to have its centre point coincide with the optical axis (55) of the camera and wherein the optical device (1) further comprises illumination means evenly positioned around the optical axis (55) for evenly illuminating an object positioned within the increased depth of field of the camera.
Pictures using voice commands and automatic upload
A system and method is disclosed for enabling user friendly interaction with a camera system. Specifically, the inventive system and method has several aspects to improve the interaction with a camera system, including voice recognition, gaze tracking, touch sensitive inputs and others. The voice recognition unit is operable for, among other things, receiving multiple different voice commands, recognizing the vocal commands, associating the different voice commands to one camera command and controlling at least some aspect of the digital camera operation in response to these voice commands. The gaze tracking unit is operable for, among other things, determining the location on the viewfinder image that the user is gazing upon. One aspect of the touch sensitive inputs provides that the touch sensitive pad is mouse-like and is operable for, among other things, receiving user touch inputs to control at least some aspect of the camera operation. Another aspect of the disclosed invention provides for gesture recognition to be used to interface with and control the camera system.
Mobile device for requesting the capture of an image
A mobile device for requesting a capture of an image includes a beacon and a processing circuit. The beacon is configured to communicate with an unmanned camera. The processing circuit is configured to generate a request for the unmanned camera to capture an image of a user of the mobile device, where the request includes a condition that must be met by the image of the user, and send the request, via the beacon, to the unmanned camera.
The present application relates to a camera where a non-wide-angle lens and a wide-angle lens projects images onto different regions of one and the same image sensor. The non-wide-angle lens images a part of a periphery of the wide-angle lens image, and in this way an overview image with an improved quality peripheral region can be achieved.
Rear view mirror mountable audiovisual recording apparatus
A rear view mirror mountable audiovisual recording apparatus including a base unit and a mounting unit. A motion sensor, a light emitting diode, and a camera are disposed on the base unit. A speaker is disposed on a left surface of the mounting unit. An activation control, a charging port, and a secure digital memory card slot are disposed on a right surface of the mounting unit. A central processing unit is disposed within the mounting unit. A plurality of a pair of hooked clamps disposed on the mounting unit is selectively engageable around each of an upper surface and a lower surface of a rear view mirror.
Method and system for fusing images
A video imaging system including: a low resolution color digital video camera and a high resolution monochromatic digital video camera operably connected to a digital processing system.
Audio and/or video transmission system
There is provided an audio and/or video transmission system. That audio and/or video transmission system has a microphone unit for detecting an audio signal. The microphone unit has a first wireless transmitting unit for wirelessly transmitting an audio signal by way of a first transmission path and a second wireless transmitting unit for wirelessly transmitting the audio signal by way of a second transmission path. The second wireless transmitting unit is adapted to embed a time stamp in the audio signal to be transmitted by way of the second transmission path.
Pixel non-uniformity correction
A method of correcting pixel non-uniformity for varying temperature includes determining an FPA temperature and calculating a non-uniformity correction map on a pixel by pixel basis for the FPA, wherein the non-uniformity correction for each pixel is a function of the FPA temperature and empirically derived coefficients. The method also includes applying the non-uniformity correction map at the FPA temperature to condition output of the FPA to produce temperature dependent non-uniformity corrected image data. An imaging system includes a focal plane array (FPA). A temperature sensor is operatively connected to measure FPA temperature. A module is operatively connected to the FPA and temperature sensor to calculate and apply a non-uniformity correction map as described above. There need be no temperature control device for the FPA. The FPA can include a buffered current mirror pixel architecture, and can include an InGaAs material for infrared imaging.
Image processing apparatus and image processing method
An image processing apparatus and an image processing method capable of discriminating with good precision a cause of image degradation that occurs in a value of a pixel adjacent to a focusing pixel, and of appropriately performing correction. When correcting a value of an imaging pixel adjacent to a focusing pixel, it is determined whether the value of the correction target pixel is influenced by flare based on a value of an imaging pixel adjacent to the focusing pixel that exists in a vicinity of a correction target pixel, and values of a plurality of imaging pixels that exist in a vicinity and are not adjacent to the focusing pixel. An appropriate method for correcting the influence of flare is used if it is determined that the value of the correction target pixel is influenced by flare.
Printing process and printing system to display print preview with updated color model
Certain methods and systems are described to provide color modelling. This color modelling applies to halftone images. In one example, a correction parameter for a color model is determined by minimizing a distance metric between a set of estimated spectral reflectance values and a set of measured spectral reflectance values to generate a multi-dimensional correction parameter. This enables a color model to be used to map at least one Neugebauer Primary area coverage value to at least one spectral reflectance value.
Color mapping modeling printing device perturbations
A method for color mapping is disclosed. A color mapping is generated based on an imaging model and a color model for an imaging device. The imaging model allows a set of perturbations to be modelled. A set of metamers is determined for one or more colors. For each metamer, at least the imaging model is used to estimate a color output with at least one modelled perturbation. The color outputs are used to select a metamer from the set to be used for the color mapping.
Image combination device, image reading device and image combination method
Image processors are provided for respective groups formed by grouping of images, the order of which is sequential when images respectively having overlapping portions corresponding to the same portion of an object are arranged so as to be adjacent to each other, and concurrently perform processing to detect combining-position information for combining an image in a group and an image adjacent to the image without any positional displacement by image-matching. The combining-position information between images belonging to different groups is respectively transferred, via combination-information transferring paths, between the image processors and between the image processors.
Non-transitory storage medium storing printer driver to restrict available functions dependent upon communication speed with server
To provide a non-transitory storage medium and a client device, both having a printer driver (PD), that are capable of suppressing the performance degradation of the printer driver resulting from a time required for exchanging a setting information of the function of the printer driver between the print server (PS) and the client device (CD). In an embodiment, the non-transitory storage medium, that includes the PD for an MFP that is to be executed by the CD causing the MFP to print via the PS controlling the MFP, restricts the available functions among the functions of the PD to reduce the size of the Devmode to be transmitted to the PS, when the communication speed between the PS and the CD is smaller than or equal to a specified speed.
Image reading apparatus
An image reading apparatus includes: a contact glass provided at an upper surface of a main body of the apparatus to set a manuscript thereon, an image sensor being positioned below the contact glass and having a reading surface on contact glass side for reading an image from the manuscript on the contact glass, a carriage supporting the image sensor accommodated in a sensor container formed to have a recess open to the contact glass side, a rail member slidably supporting the carriage, and a biasing member biasing the image sensor to the contact glass side via a biased portion adjacent to the reading surface of the image sensor. An upper end of the biasing member is positioned below the contact glass and above the lower surface of the image sensor.
Image processing apparatus having a function for controlling sound levels of the image forming apparatus and method for controlling sound level of the image forming apparatus
An embodiment includes an image processing apparatus. A driving unit drives at least one mechanism of the image processing apparatus. A network interface receives location information which indicates the presence or absence of a person in a surrounding area of the image forming apparatus at a time of a requested function of the image processing apparatus. A control unit determines, based on the received location information, whether the person is present in the surrounding area of the image forming apparatus. The control unit controls the driving unit so that, when the person is determined to be present, the at least one mechanism is driven in a first operating mode causing noise at a first volume, and, when the person is not determined to be present, the at least one mechanism is driven in a second operating mode causing noise at a second volume louder than the first volume.
Printing apparatus, electronic device, control program, and operation parameter setting method of printing apparatus
A printing apparatus includes a printing unit that performs a printing operation, a print setting unit that performs setting of the printing operation, and a touch panel that displays an object related to the setting and receives a pressing operation. The touch panel displays operation objects corresponding to a multi-level changeable operation parameter of the printing operation and when the pressing operation is performed on a position where the operation object is displayed, the touch panel changes a temporary setting value of the operation parameter, which is shown by a display object displayed at a position different from that of the operation object, according to a magnitude of pressing force. The print setting unit decides the temporary setting value, which is obtained when a determination operation different from the pressing operation is performed, as a setting value of the operation parameter.
Image transmission apparatus
When an address is inputted through input means for inputting an address of a receiving end, an image transmission apparatus carries out an authentication process that determines whether or not the inputting person is a right authorized person. When it is determined that the corresponding operation is right through the authentication process, the image transmission apparatus transmits image data to the address of the receiving end thus inputted.
Method, system and apparatus for processing low-balance data session requests
A method, system and server for processing low balance data session requests are provided. The server includes a memory storing an account record including an account balance and a count of failed service requests; a network interface; and a processor interconnected with the memory and the network interface. The processor receives a request to access a data service for a mobile device corresponding to the account record; and to determine whether the account balance is sufficient to access the data service. When the account balance is not sufficient, the processor compares the count of failed service requests to a threshold. When the count exceeds the threshold, the processor sends a notification to the mobile device, and when the count does not exceed the threshold, the processor increments the count. The processor also returns a message denying access to the data service.
Adaptive occupancy real-time predictive routing
The methods, apparatus, and systems described herein are designed to route customer communications to the best agent or best available agent. The methods include receiving a customer communication, predicting a demographic profile of the customer associated with the customer communication, monitoring real-time agent performance data and modifying a predetermined work threshold based on the real-time agent performance data, and providing a routing recommendation to route the customer to an agent based on the prediction and historical customer data for agents who have not exceeded the predetermined work threshold.
User device detection and integration for an IVR system
A system and method includes one or more processors one or more processors coupled to a memory. The one or more processors may execute instructions from the memory to perform the steps including receiving an audio communications request from a first user device of a user, identifying a second user device of the user in response to receiving the audio communications request, providing a suggestion that the user use the second user device with the system, receiving a response from the user responding to the suggestion, establishing a communication channel with the second user device, and providing content associated with the audio communications request to the second user device.
Reviewing portions of telephone call recordings in a contact center using topic meta-data records
A real-time speech analytics system (“RSTA system”) detects speech during a call involving a contact center agent and a remote party. Upon detecting the speech, an event message is generated by the RTSA system and transmitted to a module, which is configured to generate a topic meta-data record stored in a topic meta-data file. A real-time topic dashboard indication may be presented on a graphical user interface to a user based on analysis of a plurality of topic meta-data records. Selection of the topic dashboard indicator may result in presentation to the user of further text-based information about detection of the speech event for one or more calls. Selection of the further information for a particular call may result in a corresponding portion of recorded audio of that call associated with the speech event to be retrieved using the corresponding topic meta-data record and played to the user.
Apparatuses and methods for provisioning emergency services information
Systems, methods, apparatuses, and media for the provision of emergency services information are provided. Embodiments include receiving emergency services information at a mobile device from a computing device of a cellular network to which the mobile device is in communication. Embodiments further include displaying, in response to input from a user of the mobile device, at least a portion of the emergency services information on a display screen of the mobile device.
Cordless telephone equipment and cordless telephone system
Disclosed is cordless telephone equipment allowing various kinds of data stored in a mobile telephone to be stored in a cordless handset in a state usable therein, without provision of a new device thereto. A handset transfer-data conversion section that executes a predetermined conversion process according to a type of handset transfer-data stored in a storage section. Specifically, the handset transfer-data conversion section converts an audio format of ringtone data according to a use CODEC of a cordless handset. In addition, the handset transfer-data conversion section converts an image size of wallpaper data into a size reproducible in the cordless handset. Further, the handset transfer-data conversion section converts an image size of image data of the other party included in telephone directory data into a size reproducible in the cordless handset.
Display panel and display device having the same
A display panel and display device having the same are disclosed. In one aspect, the display panel includes a first substrate including a display region configured to display images and a non-display region surrounding the display region. The display panel further includes a metal pattern disposed in the non-display region, a second substrate opposing the first substrate, and a sealant disposed between and substantially sealing the first and second substrates, wherein the sealant at least partially overlaps the metal pattern. The metal pattern includes a body portion surrounding the display region and a plurality of protrusions extending from the body portion in a direction from the display region to the non-display region.
Apparatus for transmitting broadcast signal, apparatus for receiving broadcast signal, method for transmitting broadcast signal and method for receiving broadcast signal
The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention supports future broadcast services under an environment supporting future hybrid broadcasting using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods capable of using both terrestrial broadcast networks and the Internet under the environment supporting future hybrid broadcasting.
Wireless ad hoc network assembly using network coding
A method of operating a wireless ad hoc network includes configuring an intermediate device with a first linear network code corresponding to a first source device and a second linear network code corresponding to a second source device. The intermediate device is on communication paths from the first source device and the second source device to a plurality of destination devices. The intermediate device receives packet data from either the first source device or from the second source device, and determines whether to apply the first linear network code or the second linear network code to the packet data. The intermediate device generates outgoing packet data and sends the packet data to at least one destination device of the plurality of destination devices using either the first linear network code or the second linear network code.
Managing network sockets
In an approach for managing network sockets, a computer receives a request to create a network socket to transfer data. The computer identifies information associated with the received request, including one or more of: a default network protocol, one or more supported network protocols, ahead of time initialization, a data transfer policy, a failure policy, and a security policy. The computer creates a second level hash map based on the identified information, wherein the second level hash map includes the supported network socket protocols and a connection state. The computer determines a network protocol to utilize associated with the received request. The computer establishes a connection for the network socket over the determined network protocol.
Method and communication system for data communication
A communication arrangement, a gate device and method for data communication between a mobile operating unit and a field device provides a certain ease in handling. The method involves a user program being loaded onto or activated on the mobile operating unit. Furthermore, data from the mobile operating unit is transmitted to a data communication device and from the data communication device to a gate device and from the gate device to a transmitting device of the field device and/or is transmitted in the opposite direction.
Protocol independent way for dynamically selecting data compression methods for redirected USB devices
In certain information handling system environments, physical devices connected to a client are redirected to a server or other information handling system. Each of these physical devices will use and occupy network bandwidth, for example, during transmission of a data packet. Dynamically selecting a compression method for the data packet based, at least in part on, the type of data or payload in the data packet may reduce the amount of network bandwidth required by a particular device, for example a USB device that has been redirected.
Client system communication with a member of a cluster of server systems
In an approach for connecting an access point in a client region to an access point within a cluster of server regions for a transaction process, a processor receives a connect request to a cluster of server regions sharing a network end point from a client region. A processor reroutes the connect request by a connection balancing mechanism to a network end point corresponding to a server region within the cluster of server regions. A processor transmits connection information to the client region, wherein the connection information allows the client region to connect to the server region within the cluster of server regions. A processor connects the server region within the cluster of server regions to the client region.
Sampling for content selection
Sampling for content selection may be provided.
Intelligent display of information in a user interface
User interfaces such as web pages may be customized in terms of appearance and content based on user interests. For example, information items may be arranged such that items corresponding to strong user interests are displayed in more visually identifiable locations while items corresponding to weaker user interests are displayed in less visually valuable positions. The size of and space allocated to the information items may also be customized based on the relative strengths of the corresponding interests. For example, information associated with a strong user interest may be allotted 50% of the user interface. Other visual characteristics of the user interface and the information items such as font size/style, color, transparency and the like may also be customized to reflect the importance or strength of corresponding user interfaces.
Local retrieving and caching of content to small cells
An example method includes determining an operating context of a small cell, wherein a base station of the small cell is co-located with an edge computing device. The method may further retrieving content from a network to the edge computing device based at least in part on the operating context and storing the content at the edge computing device for subsequent access by a mobile device in the small cell.
Systems and methods for partial video caching
A cache server, a method, and a non-transitory computer-readable medium storing a set of instructions are disclosed. The apparatus comprises a memory and one or more processors configured to acquire one or more segments of media data associated with a first request, the first request being generated by one or more client devices, store the one or more segments associated with the first request, generate a key for each segment of the one or more segments associated with the first request, and generate a first set entry and a first set key for the one or more segments associated with the first request.
Method of caching contents by node and method of transmitting contents by contents provider in a content centric network
A method of caching a content in a node in a content-centric network, includes receiving, from a content requester, a content request packet requesting a first chunk of the content, and setting a mark bit indicating whether the node is to cache the first chunk when the first chunk is received. The method further includes receiving, from a content provider, a data packet including the first chunk in response to transmitting the content request packet to the content provider, and caching the first chunk.
Browser activity replay with advanced navigation
Aspects include capturing and replaying activities conducted during a web browsing session. Activities conducted by a user via browser application at a website are received at a computer processor. The activities occur across multiple web pages and span multiple windows during a single browsing session. The activities associated with corresponding web pages, and the activities are ordered in chronological order for each of the web pages. User interface events corresponding to the ordered activities are displayed via a browser based interface. The user interface events are selectable by an end user of the browser based interface.
Method and system for identifying website visitors
A website server computer hosting a website can identify a visitor to the website by using information provided by a visitor server computer that interacts with the visitor. The information provided by the server computer, in some embodiments, can be a combination of an IP address and characteristics of a computing device from where the visitor visits the website. In some embodiments, the IP address of the visitor server computer is used. In embodiments where the visitor may be sharing the computing device with other users, the characteristics may include at least one characteristic that is uniquely associated with the visitor. The website server computer can use a visitor identifier thus generated to start tracking the pages that the visitor requests during the session and can generate and customize pages for the visitor by using characteristics originated from the visitor.
Generation of content recommendations
A computer identifies data detailing usage of a first set of one or more applications by a first user and a first set of users, and information associated with usage of a second set of one or more applications by the first set of users. The computer determines one or more similarity coefficients between the first user and the first set of users and determines an overall predicted taste score for each content associated with the second set of one or more applications based on the determined one or more similarity coefficients. The computer determines one or more recommendations for one or more contents of the second set of one or more applications based on the determined one or more overall predicted taste scores.
Techniques for communication between service capability server and interworking function for device trigger recall/replace
Examples may include techniques for a device trigger recall or a device trigger replace procedure as implemented at a machine type communication-interworking function (MTC-IWF) in response to a command received from a service capability server (SCS). Examples may also include the SCS generating a command for a device trigger recall or a device replace to cause the MTC-IWF to implement the device trigger recall or device trigger replace procedure to either recall or replace a trigger message destined for user equipment. Both the MTC-IWF and the SCS may operate in compliance with one or more 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) standards.
Computer device for reading e-book and server for being connected with the same
A device, server, method, and computer program product for reading an e-book are provided. The e-book may include at least a content identifier corresponding to a content in the e-book. The device may include a content navigator configured to present the content according to a command from a user and a processing unit configured to acquire the content identifier corresponding to the content presented by the content navigator, send the content identifier to a server, and receive from the server a message associated with the content. An output unit configured to output the message to the user may be provided.
Efficient live-migration of remotely accessed data
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for migrating data from a first storage system to a second storage system. That data is for a process (e.g., a virtual machine, application, or some other process) operating on a computer system that is separate from the first storage system and the second storage system. That data is stored according to data subsets that are each exclusive of each other. As each data set is migrated, access to the data set by the process is precluded, but access for the remaining data sets is not affected. Once the data migration is complete, access to the data set by the process is restored.
Method for logical mirroring in a memory-based file system
A method and system for logical mirroring between nodes includes maintaining a log of a state modifying operation received at a memory-based file system of an initiator node; writing attributes of the state modifying operation from the memory-based file system to a target node memory, and using the written attributes to process the state modifying operation at the target node according to the order represented by the log, to obtain logical mirroring between the initiator node and the target node.
Synchronized collaborative user interface
A cloud based collaborative work environment enables users to work collaboratively within a shared workspace. An application server on a host device is accessible to client devices via a communication network and maintains the shared workspace for collaboration between users. Client applications hosted on client devices enable users of the workspace to access and make changes in the shared workspace, such as adding or deleting items to or from the workspace, editing or annotating existing items, viewing items in the workspace, or downloading items in the workspace. Local copies of the shared workspace are maintained by the client devices and are synchronized with the shared workspace maintained by the application server so that any changes made to by a user to its local copy of the shared workspace are propagated to other users. Thus, synchronization is maintained between master workspace and the local workspaces on the client devices.
Techniques for controlling client traffic on a clustered system
Various embodiments are generally directed to an apparatus and method to receive client traffic comprising information at a primary cluster of a clustered system over a communications link, perform, a replication operation on the clustered system to replicate the information on a secondary cluster of the clustered system, and determine a client traffic throughput for the client traffic and a replication throughput for the replication operation. In some embodiments, the apparatus and method may include buffering one or more write operations to control the client traffic such that the client traffic throughput is less than or equal to the replication throughput for the replication operation.
Systems and methods of operating a device of a data path group network
A particular method includes generating a first message including data for indicating availability of a service of a data path group network and including at least one of a lifetime value or a heartbeat value corresponding to the data path group network. The method also includes transmitting the first message from a first device of the data path group network.
Method and system for dynamically shifting a service
Systems and methods are disclosed for dynamically shifting one or more instances of a service from a first set of servers to a second set of servers. In an embodiment, a system includes a service repository that stores one or more services. The system also includes a deployment manager that deploys a set of instances of a service of the one or more services on a first set of servers and shifts one or more instances of the set of instances to a second set of servers.
Systems and methods for distributed API gateways
Disclosed embodiments are directed at systems, methods, and architecture for providing microservices and a plurality of APIs to requesting clients. The architecture is a distributed cluster of gateway nodes that jointly provide microservices and the plurality of APIs. Providing the APIs includes providing a plurality of plugins that implement the APIs. As a result of a distributed architecture, the task of API management can be distributed across a cluster of gateway nodes. The gateway nodes effectively become the entry point for every API-related request. Some embodiments of the disclosed technology describe an auto-documentation plugin that can automatically generate documentation for an API by monitoring, parsing, and sniffing requests/responses to/from the API.
Method and system for transmitting information in a network
Methods and systems for transmitting information are provided. A threshold message size is configured to determine when an application executed by a computing system can send a latency message identifying a memory location from where a device can procure a payload for transmission to a destination. The computing system sends a latency message to the device, where the latency message includes the memory location, a transfer size and an indicator indicating if the application wants a completion status after the latency message is processed. The computing system stores connection information at a location dedicated to the application that sends the latency message. The device transmits the payload to the destination; and posts a completion status, where the device posts the completion status at a completion queue associated with the application with information that enables the application to determine whether other latency messages can be posted.
Video compose function
In particular embodiments, a method includes receiving from an application a first graphics device interface (GDI) call and adding the first GDI call to a list of events. The method further includes receiving from the application one or more second GDI calls, wherein each of the second GDI calls is related to the first GDI call and adding the second GDI calls to the list of events. The method further includes receiving from the application a third GDI call, wherein the third GDI call is not related to the first GDI call, and performing a call to a GDI system, the call including the list of events.
Systems, methods and computer program products for dynamic user profile enrichment and data integration
A system is disclosed for delivering dynamically-rendered web experiences enriched with external user profile data. The system establishes a provider connection with a provider system external to the system. The provider connection connects a page component of a network site and a provider service executing on the provider system. During web content delivery, the system accesses the provider connection and queries the provider service about a user visiting the network site. The system dynamically integrates external user profile data provided by the provider system with system-managed content in a delivered web page that is tailored to the user.
Method and apparatus for capacity dimensioning in a communication network
A method, computer readable medium and apparatus for calculating a capacity for high speed packet access data in a link in a communications network are disclosed. For example, the method initializes parameters associated with streaming data, long elastic data and short elastic data, determines, via a processor, a capacity value such that a quality of service metric is met for the streaming data, the long elastic data and the short elastic data and provisions the link with the capacity value if the quality of service metric is met.
Streaming video over a hybrid network
Systems and methods to deliver streaming video over a hybrid network are provided herein. An adjusted bitrate to transmit video from a server to a client is determined in response to a fast-forward or rewind request. Frames from a video are selectively transmitted to accommodate for the adjusted bitrate based and a bitrate of a connection between the server and the client.
Method and system for generating personalized views of live video feeds
The present disclosure discloses a method and a system for generating personalized views of live video feeds of an event. The method comprises determining one or more personalized inputs associated with each user. Further, the method comprises receiving a live video feed of an event from each of a plurality of imaging units. Then, the method generates a map of an area within which the event occurs. The method further comprises, receiving real-time location of at least one subject participating in the event from a tracking unit, correlating the real-time location of the subject with the mapped area, selecting, for each user, at least one video feed among the live video feeds for generating personalized views of the live video feeds and transmitting the at least one selected video feed to respective users through a web server for providing personalized views of the live video feeds of the event.
Systems and methods for multicast streaming analysis
A computer-implemented method for anonymously selecting streams for analysis is described. In one embodiment, control information that associates one or more telemetry feeds with one or more multicast sources is identified. One or more multicast sources are joined based on the received control information and data from the multicast source is analyzed based on one or more data analysis parameters.
Participation queue system and method for online video conferencing
A virtual conferencing system is described for implementing a speaker queue. For example, one embodiment of the virtual conferencing system comprises: a plurality of clients, each of the clients comprising state management logic to maintain a current state of a virtual conference; a virtual conferencing service to establish audio and/or video connections between the plurality of clients during the virtual conference, the virtual conferencing service further including a state synchronization service communicatively coupled to the state management logic on each client to ensure that the current state of the virtual conference is consistent on each client; wherein the current state on each client includes a speaker queue comprising an ordered set of participants to be designated as current speakers during the virtual conference, wherein participants are added to the speaker queue in response to input provided by the participants indicating a desire to be a current speaker, wherein one or more participants towards the top of the speaker queue are designated to be current speakers, wherein participants are initially added to the bottom of the speaker queue and are moved towards the top of the speaker queue as other participants are removed from the top of the speaker queue; a virtual conferencing graphical user interface (GUI) to display a video stream of one or more current speakers within one or more current speaker regions, the virtual conferencing GUI further providing a visual representation of the speaker queue to each of the participants, the visual representation comprising an ordered representation of each of the participants in the speaker queue.
Spatial security in a session initiation protocol (SIP) conference
In a method for securing a session initiation protocol (SIP) conference session, first location information of a SIP conference session invitee attempting to connect to a SIP conference session is received. The computer determines that the received first location information at least partially matches a location requirement assigned to the invitee attempting to connect to the SIP conference session. The computer causes the invitee to be connected to the SIP conference session.
Apparatus and method for directing a communication session to a communication device of a group of devices having a common registration identity
An apparatus, and an associated method, for directing communications of a communication session to a selected communication device, or devices, of a group of commonly-registered devices. A device-direction policy is created and stored at a network entity. The policy identifies preferred devices to which communications of a communication session are to be provided. A SIP Invite, or other communication-session initiation message, is provided to the network entity. The network entity detects the message, accesses the policy, and forwards on the message in accordance with the policy.
Server workload assignment based on known update/security vulnerabilities
Methods to perform an operation comprising determining that a first component of a first compute node violates a compliance rule, wherein the first compute node executes a plurality of workloads and is of a plurality of compute nodes in a computing cluster, performing a predefined operation to defer need to apply a software update configured to correct the violation of the compliance rule by the first component of the first compute node, and executing, by the first compute node, at least one of the plurality of workloads without applying the software update.
System and method for assigning security levels for instant messaging contacts across device partitions
A method, communication device and computer program product communicate between the communication device and a second communication device using an instant messaging application. The first device receives contact information identifying the second communication device and determines a contact type for the second communication device from the contact information. If the contact type is a first contact type, the contact information is stored in a first partition of a memory of the communication device. If the contact type is a second contact type, the contact information is stored in a second partition of the memory. The partitions may employ different encryption schemes or one partition may be is unencrypted. A third party has access and control over the second partition. The device communicates with the second communication device using a security policy associated with the contact type.
Content delivery employing multiple security levels
Techniques are described for delivering one or more first resources of a page using a first security level, and delivering one or more second resources of a page using a second, different security level. A page is generated to include elements identifying resources to be presented in the page, and the elements may include security level identifiers indicating a security level to be employed in communicating the corresponding resource. Each security level may be associated with a set of security measures that ensure the integrity or confidentiality of the resource while it is communicated. The use of multiple security levels to communicate multiple resources may provide appropriate security for each resource, reducing latency and overhead in page generation, communication, and rendering.
Cloud-based surveillance with intelligent tamper protection
In one embodiment, a security system includes a central communication unit and a first surveillance device. The central communication unit is communicatively connected over a network to cloud storage, by way of a first transmission channel and a second transmission channel. The second transmission channel is redundant with the first transmission channel. The first surveillance device configured to record first surveillance data, and is communicatively connected to the central communication unit by way of a third transmission channel and a fourth transmission channel. The fourth transmission channel is redundant with the third transmission channel. The first surveillance device is configured to transmit the first surveillance data to the central communication unit, and the central communication unit is configured to transmit the first surveillance data to the cloud storage.
Hard object: lightweight hardware enforcement of encapsulation, unforgeability, and transactionality
A hardware-implemented method to support three desirable software properties: encapsulation, referential integrity/capabilities, and transactions. These properties in turn may be used to support software correctness, specifically the enforcement of invariants, and computer security, specifically protecting parts of programs from each other within a single process.
Systems and methods for automatic detection of malicious activity via common files
The present disclosure describes systems and methods for detection and mitigation of malicious activity regarding user data by a network backup system. In a first aspect, a backup system receiving and deduplicating backup data from a plurality of computing devices may detect, based on changes in uniqueness or shared rates for files, atypical modifications to common files, and may take steps to mitigate any potential attack by maintaining versions of the common files prior to the modifications or locking backup snapshots. In a second aspect, the backup system may monitor file modification behaviors on a single device, relative to practices of an aggregated plurality of devices. Upon detection of potentially malicious modification activity, a previously backed up or synchronized store of data may be locked and/or duplicated, preventing any of the malicious modifications from being transferred to the backup system.
Mitigation of virtual machine security breaches
An approach provides solutions for responding to threats to virtual machines (VMs) and mitigating the risks of potential breaches to VMs that reside in the same neighborhood as VMs that are affected by threats. The approach can provide proactive responsive actions for one or more VMs in a determined neighborhood that help protect those VMs in a selective and prioritized manner.
Methods and systems for implementing a phishing assessment
A system, method, and computer program product for implementing a phishing assessment that includes a phishing server that implements one or more phishing assessments; the phishing server: identifies legitimate target domain names to be used in the phishing assessment, generates one or more pseudo domain names and pseudo web pages, where the pseudo domain name are visually similar to an identified target domain name and the pseudo web page includes one or more characteristics and attributes of a legitimate web page.
Access control for objects having attributes defined against hierarchically organized domains containing fixed number of values
An aspect of the present disclosure facilitates controlling access to objects having attributes defined against hierarchically organized domains, with each domain containing a corresponding fixed number of values. In one embodiment, in response to receiving data indicating specific hierarchies of the hierarchically organized domains, the corresponding fixed number of values of the corresponding domains in each hierarchy is displayed. Accordingly, a user is enabled to select a desired set of values from the corresponding fixed number of values of the corresponding domains, and to specify a security rule for a combination of the selected set of values and a user entity. The security rule is thereafter enforced when objects having attributes matching the selected set of values are accessed by the user entity.
Shared item account selection
Techniques for sharing of items from online storage (e.g., cloud storage) are described herein. In at least some embodiments, sharing links can be configured as one-time sharing links that provide recipients with limited, one-time access to a shared item for the purpose of selecting or registering an account to use for subsequent access to the item. Recipients are able to select accounts they find most convenient for accessing a shared item without the owner/sharer of the item necessarily having contact information for those accounts or sending a link to the accounts. Selection of a one-time link initiates an authentication sequence that selectively provides an option to select a particular account. Once the one-time sharing link is redeemed, the one-time sharing link is invalidated for subsequent access to the item.
Method and system for onboarding wireless-enabled products in a network
Various embodiments provide systems and methods for connecting wireless-enabled products to wireless networks. Customer network credentials may be stored in a server along with a customer identifier (“customer ID”) during one-time registration. When a wireless-enabled product is purchased, a product identifier (“product ID”) and the customer's ID are forwarded to the server, which correlates the two identifiers, linking the purchased product to the customer. When the wireless-enabled product is powered on, the product accesses the server via a public network connection, and sends the product ID and a security token to the server. The server uses the product ID and the security token to authenticate the product. Once authenticated, the server uses the correlated customer ID to look up the network credentials for the customer's private network, and provides the network credentials to the wireless-enabled product. The wireless-enabled product then uses the downloaded credentials to access the customer's private network.
Cloud service custom execution environment
Techniques are described for implementing a cloud computer system to provide access to a custom execution environment for execution of custom executable instructions. Users may be able to configure one or more different types of template execution environments, e.g., a virtual machine environment, each of which can be used to establish a type of custom execution environment. Users may configure the template execution environment with regard to settings, states, resources, permissions, or other criterion related to an execution environment. Upon request, a custom execution environment (e.g., a child execution environment) may be established for running one instance of a custom executable instruction. The custom execution environment may be based on the template execution environment. The custom execution environment may provide a secure, isolated environment for execution of a custom executable instruction. Access permissions for the custom execution environment may be configurable depending on a type of execution environment desired.
Devices and methods configured to control network access time
A computer-implemented method of limiting access time to a computer network for client computing devices may comprise disposing an access controlling device such as router between the computer network and the client computing devices such that the client computing devices can only access the network through the access controlling device, at least while within an area of coverage thereof. A unique identifier may be stored for client computing devices whose access to the network is to be limited and a selectable allowable cumulative network access time period may be stored for at least some of these client computing devices. Using at least the unique identifiers, the cumulative network usage time may be tracked for each of the client computing devices. The access controlling device may then prevent further network access to those client computing devices whose tracked cumulative network usage time exceeds the selectable allowable cumulative network access time period.
System and method for securing machine-to-machine communications
This invention concerns the implementation of end-to-end security for the communication between objects in the domain of the Internet of Things (or Internet of Objects). The purpose of the patent is dealing with the setup of secure authorized information channel between data source (M2M device) and data consumers (consumer entity). According to the present invention, the access to a M2M device by a consumer entity (consumer application) is controlled by a M2M authorization server. The M2M authorization server is the entity in charge of managing access rights for the M2M device and makes the decision regarding the access to the resource by the consumer entity (consumer application). The M2M server is an entity that enforces the decision and enables the access to the M2M device. When a consumer application needs to communicate with a M2M device, the present invention proposes a method for authorizing a consumer application to access a M2M device and for encrypting the communication between the consumer application and the M2M device. The M2M authorization server computes security credentials which are sent to the consumer application.
Secure authenticating an user of a device during a session with a connected server
Securely authenticating a user of a device for a service during a session including a transaction between a client and a connected server connected to a Behaviometric-server.
Biometric data hashing, verification and security
A fingerprint identification system comprising a smart device, a fingerprint scanner, a processor coupled to a transceiver and to the fingerprint scanner, and a digital storage element coupled to the processor. The digital storage element stores logic that causes the processor to: activate the fingerprint scanner to scan a user's finger, identify a feature and multiple minutia of the user's fingerprint, and generate a digital fingerprint string(s) indicative of a position of each minutia relative to the feature. The processor is then caused to combine the digital fingerprint string(s) with a first cryptographic salt to generate a first hash. The first hash is compared to a first hash signature to determine if the first hash represents an authentic fingerprint. If authentic, the processor combines the digital fingerprint string(s) with a second cryptographic salt to generate a second hash. This second hash is transmitted to one or more servers.
Method and system for tracking an electronic device at an electronic device docking station
A system and method for identifying an electronic device user and tracking the electronic device at a docking station is provided. The system includes a CPU, a database containing data corresponding to individual device users, a user identification station, and docking stations. The CPU has access to the database and is communicatively linked to the user identification station and the docking stations. The docking stations have indicators. A device user has an identifying feature corresponding to data for the user in the database. The user identification station is configured to sense the identifying feature of the device user and send this information to the CPU. The CPU is configured to compare the information on the identifying feature to data in the database, and if matching, to instruct one of the docking stations to activate the indicator.
Systems and methods for controlling a local application through a web page
At a client computer, a web browser displays a control for a local utility executed on the client computer, wherein the control includes a link. The web browser receives a user input selecting the control and, in response to the user input, issues a request through the link to a local web server coupled with the local utility. The link includes a domain that resolves to a loopback network address. The loopback network address is a self-referencing address for the local web server at the client computer. The local web server receives the request and provides the local utility with a command portion of the request. In response to receiving the command portion of the request from the local web server, the local utility takes one or more actions based on the command portion of the request.
Methods and systems for dynamic creation of hotspots for media control
A non-transitory computer-readable storage medium stores instructions for execution by a first client device, including instructions for transmitting an indication of availability of a first media presentation system and for transmitting to a second device a first authentication token for allowing the second device to access the first media presentation system, in response to a request from the second client device. The instructions also include instructions for requesting access to a second media presentation system that a third client device has indicated as being available and for sending to a server system a media control request directed to the second media presentation system. The media control request includes a second authentication token received from the third client device to allow the first client device to access the second media presentation system.
Mobile based multi-channel citizen account origination in digital economy
A method for gathering and verifying customer information via SMS and in-person representatives are provided. The method may include a business correspondent receiving and verifying customer information in-person; sending the customer information to a data center, via a business correspondent application (BC app), to create a customer account; sending the account information to the customer and the BC app; verifying the account information with the customer; and syncing the BC app with the data center.
Systems and methods for secure operation of an industrial controller
A method of securing an industrial control system includes operating the industrial control system in an open mode, wherein communications between a plurality of devices of the industrial control system are unencrypted when the industrial control system is in the open mode. The method includes exchanging security tokens between the plurality of devices of the industrial control system. The method further includes ceasing operating the industrial control system in the open mode and instead operating the industrial control system in a secure mode, wherein the communications between the plurality of devices of the industrial control system are encrypted using the security tokens when the industrial control system is operating in the secure mode.
Private and secure communication architecture without utilizing a public cloud based routing server
A method for use with a public cloud network is disclosed. The method includes setting up a private cloud routing server and a smart device client in a client server relationship. The private cloud routing server includes a first message box. The smart client includes a second message box. The first and second message boxes are located on the public cloud network. The method also includes passing an authenticated session based message between the first and the second message boxes in a secure manner. The smart device client and the private cloud routing server can communicate with each other after authentication to provide security. The method also includes setting up another smart device client in a client server relationship with the private cloud routing server. The two smart device clients can privately and securely communicate with each other through the public cloud network.
Information processing apparatus, information processing method, and non-transitory computer-readable storage medium
Before one of a first user and a second user has been authenticated, an information processing apparatus acquires first setting information corresponding to the first user and first setting information corresponding to the second user from a first storage unit and store the first setting information corresponding to the first user and the first setting information corresponding to the second user in a second storage unit. Then, after one of the first user and the second user has been authenticated, the information processing apparatus acquires the first setting information corresponding to the authenticated user from the second storage unit and furthermore acquires the second setting information corresponding to the authenticated user from the first storage unit.
Method and apparatus for automated password entry
A method and apparatus are provided for protecting security credentials (e.g., username/password combinations) and/or other sensitive data in a “password vault.” A password vault device may be or may be incorporated into a portable (or even wearable) electronic device, such as a smart phone, smart watch, smart glasses, etc. When a security credential is requested during a user's operation of the password vault device or some other computing/communication device, such as when the user is accessing an online site or service via a browser program, the request is passed to the password vault, and the appropriate security credential is retrieved, delivered, and entered into the requesting interface.
Methods and apparatus to identify media distributed via a network
Methods, apparatus, systems and articles of manufacture to monitor media presentations are disclosed. An example method includes extracting first network packet parameters from a first network packet received at a media device when retrieving a first encrypted web page, storing the first network packet parameters in association with identifying information for the first encrypted web page, extracting second network packet parameters from a second network packet received at the media device from an unknown encrypted web page, when the extension does not collect identifying information for the unknown encrypted web page, comparing the second network packet parameters to the first network packet parameters, and identifying the unknown encrypted web page as the first encrypted web page when the comparison of the second network packet parameters to the first network packet parameters has a similarity above a threshold.
Method for establishing a cryptographically protected communication channel
Some embodiments are directed to a cryptographic method for providing an electronic first device, an electronic second device and an electronic intermediary device, the cryptographic method establishing a cryptographically protected communication channel between the first device and the second device. The method comprises establishing a session identifier (SID) between the first device and the intermediary device. The first device sends the session identifier and a first key element to the second device over an out-of-band channel. The second device sends a registration message comprising the session identifier to the intermediary device. The first and derived at the first and second device.
Method and apparatus for expiring messages in electronic communications
The present disclosure includes systems and methods for off-the-record communication including expiring messages. An example method comprises receiving an electronic communication from a source device, the electronic communication including at least one expiring message, temporarily storing content of the expiring message in a non-durable memory for a predetermined amount of time, durably storing envelope information associated with the expiring message in a durable memory, and determining whether a recipient device for the expiring message is available to accept transmission of the expiring message and determining whether an expiration event has occurred.
Establishing connections between third party accounts maintained by various third party systems and between third party accounts and accounts maintained by an online system
Online system users interact with one or more third party systems, with the online system maintaining an account for each of its users and each third party system maintaining a third party account for each of its users. The online system compares information in a user's account to accessible information in third party accounts and establishes connections between the user's account and third party accounts based on the comparisons, a connection including a confidence level indicating a likelihood of a third party account being associated with the user of the online system corresponding to the user's account. Similarly, the online system compares information in different third party accounts and establishes connections between different third party accounts based on the comparisons including includes a confidence level indicating a likelihood of a third party account and an additional third party account being associated with the same user.
Ad hoc message sharing between email and social networks
There are provided a system, a method and a computer program product for sharing messages between an email client and a social network. The system prepares, based on an input from a sender, an email message by using the email client. The system identifies a portion of the email message to be shared with one or more users in the social network. The system tags the portion of the email message with identities of the one or more users in the social network. The system accesses the social network with credential of the sender. The system posts the portion of the email message on social network pages of the one or more users under a name of the sender.
Real-time notifications of concurrent email thread replies
In an embodiment of the present invention, a first message is determined. The first message is associated with two or more users. The two or more users include a sender of the first message and one or more recipients of the first message. In response to determining that a first user of the two or more users is currently generating a second message, which is a response to the first message, it is determined whether a second user of the two or more users of the first message is currently generating a third message, which is a response to the first message. In response to determining that the second user is currently generating the third message, the first user is notified that the second user is currently generating the third message, and the second user is notified that the first user is currently generating the second message.
Selectively unmuting electronic messaging conversations
A first user muting a conversation, taking place among a plurality of users using an exchange of electronic messages, can be detected. Responsive to the first user muting the conversation, an electronic message inbox of the first user can be configured to prevent further electronic messages pertaining to the conversation from being visible in the electronic message inbox. At least one additional electronic message pertaining to the conversation can be received. Responsive to receiving the additional electronic message pertaining to the conversation, the additional electronic message can be analyzed and, based on the analysis, whether the conversation should be unmuted for the first user can be automatically determined. Responsive to determining that the conversation should be unmuted for the first user, the conversation can be unmuted and the electronic message inbox of the first user can be configured to make visible at least the additional electronic message.
System for restricting the distribution of attachments to electronic messages
A method of restricting the distribution of an image attachment to an electronic message via an electronic communications network comprises receiving, via the electronic communications network, the electronic message at a server; removing the image attachment from the electronic message; fragmenting the image into at least two image parts; and creating a set of rendering instructions as to how the at least two the image parts should be reconstituted to represent the original image.
Virtual assistant system to enable actionable messaging
A virtual assistant system to control external services via messaging includes a mobile device configured to participate in a messaging session between a plurality of other participants, to receive an input command from a user, to translate the received input command into a semantic atom, and to transmit the semantic atom via a message to the messaging session, and an assistant server configured to receive the semantic atom via the message, the assistant server including at least one plugin, the plugin corresponding to a respective external service and configured to generate a proprietary language command corresponding to the received semantic atom, the proprietary language command controlling the corresponding external service to perform a function corresponding to the input command.
Messaging system apparatuses circuits and methods of operation thereof
A messaging system configured to receive a message from a first mobile messaging client device, transmit to a second mobile messaging client device a notification of the presence of the message, receive a message attribute comprising an instruction to limit a functionality of the message, apply the message attribute to the message based on a message characteristic and update any existing corresponding message attribute, and transmit the message and the message attribute to the second mobile messaging client device that manages the message in accordance with the message attribute, wherein managing the message comprises limiting the functionality of the message based on the message attribute, wherein the message attribute comprises a predetermined message viewing time after which the message content cannot be accessed at the second mobile messaging client device.
System and method of enabling a multi-chassis virtual switch for virtual server network provisioning
A multi-chassis server system has several chassis, each including a chassis management controller (CMC) and a blade server with a blade management controller (BMC) and a virtual switch (VS). The first CMC establishes management sessions with the second CMC and the first BMC. The second CMC establishes a management session with the second BMC. A switch path on a virtual switch is provided via a management session to the first CMC and another switch path on another virtual switch is provided via a management session to the second chassis management controller and by another management session to the first CMC. The switch paths are aggregated into a chassis management controller virtual switch on the first chassis management controller.
Ethernet interface module
An Ethernet interface module comprises a first full duplex port, a second duplex port, a first path coupling the first duplex port and the second full duplex port, a second path coupling the second full duplex port and the first full duplex port, a first queue disposed in the first path, a second queue disposed in the second path, a third path comprising at least a portion of the first queue coupling the receive and transmit portions of the first port, a fourth path comprising at least a portion of the second queue coupling the receive and transmit portions of the second port, execution apparatus operable responsive to a command to alter the state of said Ethernet interface module, or the contents of said received frame to produce a return frame comprising fields of a received frame that are modified, or both.
System and method for scaling multiclouds in a hybrid cloud architecture
According to one aspect, a method includes an Intercloud Fabric Switch (ICS) included in a public cloud and an ICS cluster obtaining a packet, and determining if the packet is obtained from a site-to-site link that links the ICS to an enterprise datacenter. If the packet is obtained from the site-to-site link, it is determined whether the packet is an unknown unicast packet. If the packet is an unknown unicast packet, the packet is dropped, and if not, the packet is provided to an access link that links the ICS to a virtual machine. If the packet is not obtained from the site-to-site link, it is determined whether the packet is obtained from an inter-ICS link that allows the ICS to communicate with the ICS cluster. If the packet is obtained from the inter-ICS link, the packet is dropped if it is an unknown unicast packet.
Collaborative inter-service scheduling of logical resources in cloud platforms
The subject disclosure relates to a method for scheduling logical resources in cloud platforms. A cloud platform system identifies resource candidates for hosting a logical resource of a cloud service. The system filters the resource candidates by running them through a filter chain, a collection of serially connected filters. The filter chain may contain one or more reference filters that reference other filter chains. When the resource candidates encounter one of the reference filters, the other filter chains can be triggered and processed. The system selects one or more resources for hosting the logical resource from the filtered resource candidates.
Time interleaver, time deinterleaver, time interleaving method, and time deinterleaving method
A convolutional interleaver included in a time interleaver, which performs convolutional interleaving includes: a first switch that switches a first connection destination of an input terminal of the convolutional interleaver to one end of one of a plurality of branches; a plurality of FIFO memories provided in some of the plurality of branches except one branch, wherein a number of FIFO memories is different among the plurality of branches; and a second switch that switches a second connection destination of an output terminal of the convolutional interleaver to the other end of one of the plurality of branches. The first and second switches switch the first and second connection destinations, respectively, when the plurality of cells as many as the codewords per frame have passed, by switching a corresponding branch of the first and second connection destinations sequentially and repeatedly among the plurality of branches.
Packet extracting apparatus and method
An operation unit detects that a received first ACK packet is an ACK packet transmitted in response to a single data packet. The operation unit determines whether to calculate a round trip time by using reception time of the first ACK packet on the basis of a window size included in the first ACK packet and a window size included in a second ACK packet acquired immediately before the first ACK packet. If the operation unit determines to calculate the round trip time, the operation unit outputs the round trip time calculated by using the reception time of the first ACK packet.
Configuration of network elements for automated policy-based routing
In one embodiment a forwarding policy from a first network node coupled to a network element is received. The forwarding policy specifies an address of a second network node coupled to the network element. A plurality of ports of the network element are identified, wherein the second network node is accessible from the network element through each of the plurality of ports. The forwarding policy is applied to the plurality of ports of the network element. Network traffic received at a port of the plurality of ports from the second network node is forwarded to the first network node.
Connecting a PVLAN switch to a non-PVLAN device
A PVLAN switch for connecting a PVLAN to a non-PVLAN device is configured as a primary VLAN with secondary VLANs, the primary VLAN includes promiscuous ports, each of the secondary VLANs includes a smart PVLAN trunk port, and the smart PVLAN trunk port is included in at least two secondary VLANs where the smart PVLAN trunk port and the promiscuous port connect to non-PVLAN devices. A frame is received on a smart PVLAN trunk port sent from a non-PVLAN device, and includes a destination address and a secondary VLAN ID. The PVLAN switch port ID for the first frame, and a primary VLAN ID for the secondary VLAN ID are identified. If the frame is a non-isolated port, the secondary VLAN ID is modified to be the primary VLAN ID, and the modified frame is sent to another non-PVLAN device connected to the PVLAN switch port.
Method for transmitting routing information
A method for transmitting routing information between first and second nodes of a plurality of nodes capable of exchanging data relative to the management of subscribers to electronic communication services. The first node and the second node are connected and have exchanged the respective management capabilities thereof. The method includes, when the management capabilities supported by both the first node and the second node include a discovery capability: triggered by a predefined event, transmission, by the first node to the second node, of a discovery message including at least one item of routing information included in a routing table of the first node and relative to at least a third node.
Device and method for processing in a mobile communication system
A processor device processes data samples of a radio signal in a mobile communication system. A fast flow process is executed for all samples and a batch process is executed at intervals on a subset of the samples. The device has a processor for executing the flow process via a local buffer memory, a memory interface to a system memory, and a memory controller for controlling storing of the data samples in the buffer memory. The processor establishes whether data samples in the local buffer memory are part of the subset, and if not, invalidates them after executing the flow process. The memory controller provides free memory space in the local buffer by transferring data samples which are not invalidated from the local buffer memory to the system memory, and by invalidating processed samples. Advantageously the local buffer may be relatively small, while the amount of data transferred to the system memory is limited.
Prioritizing local and network traffic
According to some aspects as described herein, a user may purchase or otherwise be provided with an accelerated service for selected software applications, devices, and/or ports to experience a high level of communication. The accelerated service may be created, for example, by using a dedicated network data flow such that the user's customer premise equipment (CPE) network access device may put priority traffic in a different upstream data flow than the commonly shared flow, which may involve tagging the traffic upstream to the network with a priority indicator such as a flow identifier. Based on similar factors, the user may also control local priority of data received downstream from the network for distribution to one or more local devices.
Channel selection in multi-channel switching network
Methods and systems are disclosed for selecting channels for routing signals in a multi-channel switching network. In an example implementation, pairs of the signals that can be routed together over one channel in the multi-channel switching network are determined. A model graph is generated that has a respective vertex for each of the signals. The model graph also includes respective edges for the determined pairs connecting vertices corresponding to signals of the pair. A subset of the edges that includes a maximum number of disjoint edges is determined. Pairs of signals represented by the respective vertices connected by the edge are routed over a respective one of the channels. For vertices not connected to an edge in the subset, the signals represented by the vertices are routed via a respective one of the channels.
System and method for detecting and preventing service level agreement violation in a virtualized environment
This technique determines the possible Service Level Agreement (SLA) violation during migrating a workload from a physical environment to a virtualized environment and also migrating a virtual machine (VM) from one physical machine to another within a virtualized environment. This technique uses capacity factor, i.e. the ratio of host physical machine (host PM) capacity and target physical machine (target PM) capacity, to determine the service rate change in the target PM compared to host PM and eventually calculates the VM utilization and response time in the target PM. It then checks if the VM utilization and response time in the target PM lies within the SLA limit. It further checks if the migration in the target virtualized PM is violating a predefined target PM utilization threshold or not and finally causes the migration in the target physical machine if all the SLA parameters are satisfied.
Service analyzer interface
Provided are systems and methods for determining and displaying service performance information via a graphical user interface. In one embodiment, a system can provide, for each of one or more machines associated with a service: obtaining performance data for the machine; and comparing the performance data for the machine to one or more predefined performance thresholds for the machine to determine a health status for the machine; and determining a health status for the service based at least in part on the health status of at least one of the one or more machines associated with the service.
Low-impact proactive monitoring of customer access to virtualized network elements in a cloud platform
A system can collect, from an address resolution protocol (“ARP”) cache of a managed virtual network function (“VNF”), at least one active entry corresponding to at least one active element of a plurality of virtual local area network (“VLAN”) networks. The system can check the ARP cache for an entry associated with at least one of the plurality of VLAN elements. The system can determine whether an entry associated with at least one of the plurality of VLAN elements was found. In response to determining that an entry associated with at least one of the plurality of VLAN elements was not found, the system can send an ARP request to the plurality of VLAN elements, wait for an ARP response, and, in response to determining that an ARP response has not been received, generate a notification that VLAN connectivity has been lost.
Activity stream based collaboration
An activity stream based interaction model is disclosed. To cause a desired application level action to be performed at a remote system, such as automatically retrieving and displaying a document in a viewer or other portion of a user interface at the remote system, a text-based tag, such as a hash tag, is inserted into an activity stream. The activity stream is sent to the remote system, which is configured to respond to the text-based tag by performing, at least in part automatically, the corresponding application level action.
Analysis of system conditions from endpoint status information
A system includes Session-Initiation-Protocol (SIP) servers that provide services for a respective set of endpoints. A monitor server can receive connectivity status of the respective set of endpoints based on registration status provided by the endpoints to the SIP servers. Based upon the received connectivity status, endpoints having connectivity problems are parsed into one or more subgroups. Potential problem sources are identified for the connectivity problems of the parsed endpoints. For each of the subgroups, the monitor server determines whether the subgroup exceeds a corresponding trigger threshold. In response a corresponding trigger threshold being exceeded, an action profile specifying an entity is accessed. A notification is transmitted to the entity.
Infrastructure performance monitoring
A method and apparatus for infrastructure performance monitoring are described. In one embodiment, the method comprises monitoring virtual application performance, identifying degradation in the application performance, and correlating the degradation to one or more of virtual and physical infrastructure components.
Methods and systems for network monitoring
Methods and system for network monitoring is provided. The system includes a communication circuit configured to receive network information from one or more components of a medical network for a select time period, and a controller circuit having one or more processors coupled to the communication circuit. The controller circuit is configured to determine a configuration and data usage of the medical network based on the network information at reference points along the time period of interest. The controller circuit is configured to generate a graphical representation of a topology of the medical network on a display based on the configuration of the medical network at one of the reference points. The graphical representation includes a plurality of component markers, representing the one or more components, interconnected with each other, and a visual status indicator for the one or more components based on the data usage.
Technologies for determining sensor placement and topology
Systems, methods, and computer-readable media for determining sensor placement and topology. In some embodiments, a system can receive messages from sensors deployed around a network, each of the messages reporting a respective flow captured by a reporting sensor from the sensors. Next, the system can identify flows reported in the messages and, for each of the flows, generate a respective list of sensors that reported that flow. Based on the respective list of sensors, the system can infer a respective placement of the sensors within the network and a topology of the sensors. For example, the system can determine that a first sensor is deployed in a virtual machine, a second sensor is deployed in a hypervisor hosting the virtual machine, and a third sensor is deployed in a network device configured to route traffic associated with the hypervisor.
Assessing a service offering in a networked computing environment
An approach for assessing a service offering selected by a user in a networked computing environment (e.g., a cloud computing environment) is provided. In one aspect, a network environment containing the service offering is monitored for a software configuration activity performed by the user. This software configuration activity is analyzed to identify the software application that is being configured. A set of provider-managed service offerings can be searched for any provider-managed service offering that contains an offered application corresponding to that of the software application. This managed service offering can be included in an alternative suggestion for the service offering.
Synchronized distributed networks with frictionless application installation
Methods and systems are provided related to synchronized networks. A synchronized network can include a node and additional nodes. The node can receive a packet including information. The node can determine whether the packet is from the synchronized network. After determining that the packet is from the synchronized network, the node can: send the packet to at least one of the additional nodes, determine whether a synchronized network interface (SNI) is on the node and is associated with the packet, where the SNI includes software executable on the node. After determining that the SNI is on the node and is associated with the packet, the node can generate a view of data in the synchronized network by: determining a user interface (UI) layout associated with the SNI, generating the view based on the UI layout and on the information using the SNI, and provide the view.
Traffic forwarding for processing in network environment
An embodiment may include forwarding, at least in part, received traffic, based at least in part upon programming provided, at least in part, by at least one controller. The programming may be based at least in part upon at least one policy. The forwarding may be in accordance with various parameters, criteria, usage models, processing considerations, etc. Many modifications are possible.
Systems and methods for self-configuring wireless device initializations
Systems and methods for self-configuring wireless device initializations are provided. In one embodiment, a network device comprises: a radio module that includes a plurality of wireless service support circuits, wherein each of the support circuits includes modules that configure the radio module to establish wireless network communication links over at least one band of a wireless network operator; initialization logic coupled to the radio module; and a network service preference policy stored in a memory coupled to the initialization logic; wherein, upon initialization of the device, the initialization logic surveys one or more wireless services received by the radio module and compares results of the survey against a network service preference policy; and wherein the initialization logic activates a first support circuits associated with a first wireless service when the survey indicates that the first wireless signal satisfies the network service preference policy.
Methods and apparatus for determining an optimized wireless interface installation configuration
Methods and apparatus for determining a desired or optimal installation configuration for one or more wireless interface devices within a premises. In one embodiment, a network entity collects information relating to the type of services required and generates a customer profile. The customer profile is then used to determine a number and type of wireless interface devices required. In one variant, a device chart is given which lists a plurality of combinations of categories of service and a respective plurality of device combinations needed to provide optimal service thereto. The device chart is consulted to arrive at an appropriate installation order, which is submitted for premises installation.
Cloud management system and method for disparate computing nodes in a cloud computing environment
A cloud management system includes a computer executed application that generates an interface for management of the resources of a computing node by a cloud portal. The application receives an interface definition associated with the resource in which the interface definition includes information associated with one or more configuration operations to be performed on the resource. Using the interface definition, the application generates a cloud portal interface component that communicates with a cloud portal to translate the one or more configuration operations to a specified protocol, and generates a resource endpoint component that receives the configuration operations from the cloud portal interface component, translates the configuration operations to a format suitable for use by the resource, and transmits the configuration operations to the resource for configuring the resource.
Method and apparatus for distributing load among a plurality of service nodes
Some embodiments provide an elastic architecture for providing a service in a computing system. To perform a service on the data messages, the service architecture uses a service node (SN) group that includes one primary service node (PSN) and zero or more secondary service nodes (SSNs). The service can be performed on a data message by either the PSN or one of the SSN. However, in addition to performing the service, the PSN also performs a load balancing operation that assesses the load on each service node (i.e., on the PSN or each SSN), and based on this assessment, has the data messages distributed to the service node(s) in its SN group. Based on the assessed load, the PSN in some embodiments also has one or more SSNs added to or removed from its SN group. To add or remove an SSN to or from the service node group, the PSN in some embodiments directs a set of controllers to add (e.g., instantiate or allocate) or remove the SSN to or from the SN group. Also, to assess the load on the service nodes, the PSN in some embodiments receives message load data from the controller set, which collects such data from each service node. In other embodiments, the PSN receives such load data directly from the SSNs.
System and method for provisioning and deployment of application environment on hybrid cloud platform
This disclosure relates generally to computer resource management over multiple cloud platforms, and more particularly to a system and method for provisioning of application environment and deployment of application across hybrid cloud platform. In one embodiment, a method is provided for provisioning an application environment across a hybrid cloud platform. The method comprises generating a platform independent provisioning template based on at least one of a resource specification and a configuration data. The platform independent provisioning template is compatible with multiple cloud platforms. The method further comprises generating a plurality of target platform artifacts compatible with a corresponding plurality of target cloud platforms based on at least one of the resource specification and the configuration data, associating the plurality of target platform artifacts with the platform independent provisioning template, and provisioning the application environment across the hybrid cloud platform by executing the platform independent provisioning template on each of the plurality of target cloud platforms.
Virtualization of consistency groups
In an approach for provisioning a server utilizing a virtual consistency group, a processor receives a request to provision a first server utilizing a first application consistency group, wherein the first application consistency group is a virtualized consistency group. A processor defines a storage consistency group. A processor assigns the first application consistency group to the storage consistency group. A processor provisions the first server. A processor assigns to the provisioned first server, storage specified by the first application consistency group.
Change to availability mapping
A computerized system performs monitoring and analysis of a communications network. The system displays predefined status indicators for each resource of the network, such as hardware and services. The system receives notification of planned maintenance operations involving resources in the network. The system analyzes the resources of the communications network to identify resources with at least some functional impairment. For each impaired resource, the system applies a predetermined impact analysis framework to determine whether the impairment is causally related to any of the planned maintenance operations. The system updates the predefined status indicator of each functionally impaired resource. Updates to status indicators are suspended, however, for those resources whose functional impairment is causally related to any of the planned maintenance operations.
Method of and apparatus for configuring a link in a label switching communication network
The present invention relates to a method of and apparatus for configuring a link in a label switching communication network. The method implemented in a network node comprises determining formation of a communication link between the network node and another network node and sending link formation information to a link manager. The method further comprises receiving link configuration information for the communication link from the link manager and configuring the communication link in response to the received link configuration information.
Method for configuring one or more devices in an ethernet-based communication network
A method for configuring at least one device in an Ethernet-based communication network comprising a plurality of devices with Ethernet capability, wherein the topological position of a respective device to be configured, which is associated with a device type, in the communication network is ascertained, the respective device is sent configuration data, which correspond to its device type and to its ascertained topological position, from a database which contains a plurality of configuration data for at least one device type and a plurality of topological positions of the at least one device type, and the respective device is then configured based on the transmitted configuration data.
Daisy chain distribution in data centers
A method and a system to provide daisy chain distribution in data centers are provided. A node identification module identifies three or more data nodes of a plurality of data nodes. The identification of three or more data nodes indicates that the respective data nodes are to receive a copy of a data file. A connection creation module to, using one or more processors, create communication connections between the three or more data nodes. The communication connections form a daisy chain beginning at a seeder data node of the three or more data nodes and ending at a terminal data node of the three or more data nodes.
Managed execution and expiration of agent commands
Methods and apparatus for managing the expiration and execution of commands sent from a remote system having administration functions to an agent residing on a computer system are disclosed. An exemplary method includes receiving, at an agent, one or more commands, storing the one or more received commands, retrieving the one or more stored commands, and determining whether the one or more retrieved commands can be executed by comparing at least one time parameter associated with the agent to at least one time parameter associated with the one or more retrieved commands.
Performance evaluation of applications that access external resources
Evaluating application performance includes: obtaining a request, processing the request, including invoking a function that accesses an external resource, determining whether a response time associated with invoking the function exceeds a threshold, and in the event that the response time exceeds the threshold, capturing a runtime attribute associated with the function.
Method for determining reserved tones and transmitter for performing PAPR reduction using tone reservation
A method of determining reserved tones to be used for reduction of a peak to average power ratio (PAPR) of a signal includes: randomly selecting carrier indices for the reserved tones and generating a kernel signal based on the randomly selected carrier indices; calculating a comparison reference average value of the kernel signal, comparing the calculated comparison reference average value with a prestored comparison reference average value, and preliminarily determining carrier indices of the reserved tones based on the comparison; randomly re-arranging an order of the preliminarily determined carrier indices of the reserved tones; and calculating the comparison reference average value while changing each of the re-arranged indices of the reserved tones, and finally determining carrier indices for which the calculated comparison reference average value becomes the smallest value as carrier indices of the reserved tones.
Discovery signal design
Systems and methods relating to transmitting and using multiple Channel State Information Reference Signals (CSI-RSs) for different purposes are disclosed. In some embodiments, a method of operation of a user equipment device in a cellular communications network comprises receiving multiple Zero-Power (ZP) CSI-RS configurations from the cellular communications network, the multiple ZP CSI-RS configurations comprising a first ZP CSI-RS configuration for small-cell or transmission point discovery and a second ZP CSI-RS configuration for a purpose other than small-cell or transmission point discovery, and performing one or more actions based on an assumption that, within a subframe, a set of resource elements defined by a union of all resource elements in the multiple ZP CSI-RS configurations are muted.
Robust preamble for communication over noisy media
Described herein are techniques related to data communications using a data packet having at least one frame with a robust preamble for use over media having a high degree of non-stationary noise (e.g., impulsive noise). The described techniques employ a preamble with a structure having multiple transitions between the preamble sections. Each transition indicates the start of the upcoming frame. With the techniques described herein, if noise damages the transitions between such sections beyond recognition, the receiver can still determine the frame start time from the one or more of the undamaged transitions. Thus, the robustness of communications via the noisy media is significantly increased. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
Method for transmitting signal field and apparatus therefor
Disclosed is a method for transmitting a signal field in a wireless LAN along with an apparatus therefore. The method for transmitting a signal field in a wireless LAN includes the steps of: generating a signal field by a first STA (station); and transmitting the signal field to a second STA by the first STA in a first OFDM (orthogonal frequency division multiplexing) symbol, a second OFDM symbol and a third OFDM symbol, wherein at least one of a second binary phase shift keying used in the second OFDM symbol and a third binary phase shift keying used in the third OFDM symbol can be rotated in reference to the first binary phase shift keying used in the first OFDM symbol.
Transmission apparatus and method, and reception apparatus and method
Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+1 respectively. In contrast, as modulated signal A, modulated symbols S1(i) and S1(i)′ obtained by changing the signal point arrangement of the same data are transmitted at time i and time i+1 respectively. As a result the reception quality can be changed intentionally at time i and time i+1, and therefore using the demodulation result of modulated signal A of a time when the reception quality is good enables both modulated signals A and B to be demodulated with good error rate performances.
Automatic impedance matching for a radiofrequency reception chain
An automatic impedance-matching method for a radiofrequency reception chain, which includes an antenna, an amplifier and a configurable impedance-matching network, arranged between the antenna and an input of the amplifier. The method includes two steps: acquiring measurement of a gain of the reception chain and of a noise level at an output of the amplifier and tuning the impedance-matching network according to the measurements. A radiofrequency reception chain allowing the method to be implemented is also provided.
Method and system using driver equalization in transmission line channels with power or ground terminations
A driver circuit device using driver equalization in power and ground terminated transmission line channels. The driver circuit device can include a weaker pull-up driver, which is needed to pre-emphasize the pull-up signal for driver equalization in power terminated transmission line channels. The driver circuit device can also include a weaker pull-down driver, which is needed to pre-emphasize the pull-down signal for driver equalization in ground terminated transmission line channels. In the transmission line channels with power terminations, a weaker pull-up Ron is implemented. In the transmission line channels with ground terminations, a weaker pull-down Ron is implemented. Drivers implemented in power and/or ground terminated transmission line channels can be used to improve device performance, such as in signal eye opening.
System and method for switching between conversations in instant messaging applications
A system and method are provided for switching between conversations in instant messaging applications. The instant messaging application is configured for displaying a list of conversations upon detecting selection of the option within a menu or link within the conversation screen and permit navigation to another conversation. The conversations may be prioritized based first on whether the conversation has any unread messages and within the grouping of those conversations having unread messages, may be prioritized based on when the last activity occurred. In this way, the user has easiest access to conversations with the most recent activity with the ability to scroll down the list of conversations to continue an older conversation if desired.
Virtual channel virtual private network
A system and method of implementing a virtual channel virtual private network is disclosed. In one embodiment, a remote desktop protocol (RDP) client is connected to a RDP server. The RDP client requests a virtual connection to a first computing device. A virtual channel for the RDP connection is created. A client application or client gateway is bound to the first virtual channel at the RDP client. The RDP server establishes a connection to a server application or a server gateway, and binds the connection to the first virtual channel.
System and method for full-duplex media access control using Request-to-Send signaling
A system and method for full-duplex communications provided by modifying the Media Access Control sub-layer of communication node protocols. The modification allows communication nodes to communicate with one another in full-duplex, where each node transmits and receives data simultaneously with other nodes in a single frequency. A timing of the simultaneous data transmissions, acknowledgments, and short-interframe-space waiting periods can be determined based on network-allocation-vector data transmitted in association with request-to-send or clear-to-send signals.
Networked air-conditioning system, repeater and program
The lower-level information acquirer searches a lower-level network, and acquires lower-level addresses for air-conditioning devices that are connected to the lower-level network. A database generator searches an upper-level network, and generates a database of upper-level addresses of air-conditioning devices that are connected to the upper-level network. An address assigner references the database generated by the database generator, and assigns vacant addresses existing among the upper-level addresses of the upper-level network to air-conditioning devices that are connected to the lower-level network. The table generator generates an address conversion table for converting the upper-level addresses assigned by the address assigner to lower-level addresses acquired by the lower-level information acquirer.
Attachment collaboration within message environments
Disclosed herein are systems, methods, and software for facilitating collaboration within message environments. In an implementation, a message system receives a request to send on behalf of a sender a message having an attachment. In response to the request, the message system generates a collaborative version of the attachment within a location associated with the sender. The collaborative version of the attachment may be modified to reflect updates initiated on behalf of recipients of the message.
Methods and apparatus for using virtual local area networks in a switch fabric
In some embodiments, a switch module is configured to receive from a first edge device a multicast data unit having a VLAN identifier. The switch module is configured to select a set of port modules based on the VLAN identifier. The switch module is configured to define an unmodified instance of the multicast data unit for each port module from the set of port modules. The switch module is configured to send the unmodified instance of the multicast data unit to each port module from the set of port modules, such that each port module applies a filter to the received instance of the multicast data unit to restrict that received instance of the multicast data unit from being sent to a second edge device via that port module if the second edge device is associated with a VLAN domain different than a VLAN domain of the first edge device.
Deterring information copying including deterrence of currency counterfeiting
A method for deterring information copying, includes: combining a watermark serial number incorporate in a given medium with a content serial number to create a combined serial number, the watermark serial number uniquely identifies the given medium, and the content serial number uniquely identifies a content stored on the given medium; creating a digital signature by encoding the combined serial number using a private key of a public/private key pair; imprinting the content serial number and the digital signature on the given medium; decoding the digital signature imprinted on the given medium using a public key of the public/private key pair to obtain the combined serial number; comparing the decoded combined serial number with the watermark serial number and the content serial number imprinted of the given medium; and in response to determining that both match the combined serial number, determining that the content is authentic.
Methods and systems for bootstrapping
The disclosure is directed to securely bootstrapping devices in a network environment. Methods and systems include hardware and/or operations for receiving, based on an identifier provisioned at a relying entity, instances of a security credential of an information system, wherein the instances are associated with respective certifying entities. The operations also include verifying the authenticity of the instances of the security credential using information of the certifying entities provisioned at the relying entity. The operations further includes determining matches between the instances of the security credential. Additionally, the operations include determining based on the matches that a first instance of the security credential satisfies a policy provisioned at the relying entity. Further, the operations include verifying the authenticity of information requested from the information system using the first instance of the security credential. In various implementations, the information system may be the domain name system.
Resource-based cipher suite selection
Cipher suites and/or other parameters for cryptographic protection of communications are dynamically selected to more closely match the intended uses of the sessions. A client indicates a planned use of a session to a server. The client's indication of the planned use may be explicit or implicit. The server selects an appropriate set of parameters for cryptographic protection of communications based at least in part on the indicated planned use and the client and server complete a handshake process to establish a cryptographically protected communications session to use the selected set of parameters.
Processors including key management circuits and methods of operating key management circuits
A system on chip includes a central processing unit and a key manager coupled to the central processing unit. The key manager includes a random number generator configured to generate a key and a key memory configured to store the key and a user setting value associated with the key.
Processor and processor system
A processor includes a CPU core and an encryption processor which includes an address registration region, wherein, after power is supplied, a startup program which is stored into a memory after encryption and executed at startup registers an address range of the memory in which encrypted concealment data is stored into the address registration region, and wherein the encryption processor decrypts the startup program and the concealment data and transfers to the CPU core when an execution address of the CPU core is within the address range registered in the address registration region, and transfers the startup program and the concealment data to the CPU core without decryption when the execution address of the CPU core is not within the address range registered in the address registration region.
Device, system and method for securing and comparing genomic data
The present disclosure presents methods, systems, and devices for encrypting and comparing genomic data. The comparison of genomic data allows the owner of the data to ensure security of the data even when the party conducting the comparison is beyond the control of the owner of the data. The encryption of the genomic data enables the transmission, storage, and use of the genomic data in a secure media.
Small cell configuration for interference mitigation
Configuration of various radio systems may have a number of possible benefits. For example, small cell configuration may be useful for interference mitigation. A method, in certain embodiments, can include determining a virtual subframe index for a cell. The method can also include communicating the virtual subframe index for the cell by communicating a time division duplex configuration and a relative subframe offset.
Methods and systems for ranging protocol
Disclosed are methods and systems for obtaining measurements of a range between devices in an exchange messages. In particular, described are techniques for transmitting messages between or among devices to share computed parameters indicative of ranges between devices. In particular implementations, shared computed parameters indicative of ranges between or among devices may enable computation of estimated locations of one or more of devices.
Methods and devices for transmitting sounding reference signal in wireless access system
The present invention provides methods for transmitting a sounding reference signal (SRS) in a wireless access system supporting a multiple connection mode, in which user equipment is connected to two or more small cells, and devices for supporting same. According to one embodiment of the present invention, the method for the user equipment transmitting the SRS in the wireless access system supporting the multiple connection mode, comprises the steps of: receiving, from a first small cell in the multiple connection mode, a control signal requesting an aperiodic SRS transmission; and confirming whether a first SRS resource region for the aperiodic SRS transmission to the first small cell and a second SRS resource region for a periodic SRS transmission to a second small cell in the multiple connection mode overlap, wherein the user equipment in the multiple connection mode maintains multiple connections with the two or more small cells, including the first small cell and the second small cell, and wherein the first small cell and the second small cell can be mutually connected through a non-ideal backhaul link.
Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system
In a multiple-input, multiple-output (MIMO) system, a wireless node's receive chain demodulation function is enhanced to include phase tracking. VHT Long Training Fields (LTFs) embedded in a frame preamble are used for phase tracking. Single stream pilot tones are added during transmission of VHT-LTFs. A receiver estimates the channel using the pilot tones in a first set of LTFs. A second set of LTFs are used to estimate the phase of the pilot tones using the estimated channel. The phase estimation is continuously applied to other received data tones throughout the VHT-LTFs of data symbols. Phase errors due to PLL mismatches and phase noise are reduced at reception, leading to better signal to noise ratio for different levels of drift and frequency offset. Further, MIMO channel estimation is more accurate, improving the overall wireless network when the accurate MIMO channel estimation data participates in calibration and handshake between wireless nodes.
Method for providing transmission power in wireless communication system and apparatus for same
In the present invention, disclosed is a method for a user equipment transreceiving signals with a network in a wireless communication system. More particularly, the method comprises the steps of: receiving a downlink control channel from the network; and either transmitting an uplink data channel to the network or receiving a downlink data channel from the network, depending on scheduling information included in the downlink control channel, wherein the scheduling information includes information with respect to a reference signal-to-downlink data channel power ratio.
Transmitting node, receiving node and methods performed therein
Embodiments herein relate to a method performed in a transmitting node (12) for transmitting at least one burst of energy to one or more receiving nodes (10,13) in a wireless communication network (1). The transmitting node (12) comprises a number of transmit antennas being more than one and wherein the at least one burst of energy carries a payload for one or more receiving nodes (10,13). The transmitting node (12) determines a shift, for one or more transmit antennas, in one or more signal characteristics of a burst of energy of the at least one burst of energy. The shift indicates one or more additional information bits, in addition to the payload, for a first receiving node (10). The transmitting node further transmits, over the one or more transmit antennas, the burst of energy of the at least one burst of energy with the shift in the signal characteristic carrying the payload to one or more receiving nodes (10,13) in the wireless communication network (1).
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 receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a demapper to demap the time deinterleaved data and a decoder to decode the demapped service data.
Transport protocol for anticipatory content
Methods, apparatuses, and systems for improving utilization of a communications system (e.g., a satellite communications system) are provided, using delayed reliability techniques as part of a multicast transport protocol. Embodiments may operate in a client-server context, in which the server-side of the communication link multicasts data to requesting users and to users where the data is being speculatively prepositioned. Requesting users may implement reliability checks to verify receipt of complete data in response to the request while user systems where data is being speculatively prepositioned may receive multicast reliability information in response to reliability requests from other users, but may not request replacement of missing or corrupted data themselves until a request is made for the data by that system.
Data resource mapping for frequency-coded symbols
A device and method for communicating frequency-coded symbols that include data elements and reference symbols are disclosed. In one aspect, a carrier frequency band includes a plurality of subcarrier frequency bands. Data elements are transmitted and received on respective pairs of adjacent subcarrier frequency bands to provide diversity. Reference symbols are transmitted and received on predetermined subcarrier frequency bands. Muting is applied to selected subcarrier frequency bands based on the number and frequency configuration of the reference symbols.
Apparatus and method for sending and receiving broadcast signals
Disclosed is a broadcast signal transmitter. The broadcast signal transmitter includes a first bit interleaved coded modulation (BICM) unit configured to forward error correction (FEC)-encode data of a first layer, a second BICM unit configured to FEC-encode data of a second layer, a layered division multiplexing (LDM) injection unit configured to combine the data of the first layer and the data of the second layer and to output LDM data, a framing and interleaving unit configured to interleave the LDM data and to generate a signal frame, and a waveform generation unit configured to perform OFDM modulation on the LDM data and to generate a broadcast signal.
Access point (AP), user station (STA) and method for spatial modulation orthogonal frequency division multiplexing (SM-OFDM) communication
Embodiments of an access point (AP), user station (STA), and method for spatial modulation orthogonal frequency division multiplexing (SM-OFDM) communication in a wireless network are generally described herein. The AP may transmit an SM-OFDM signal that comprises multiple OFDM signals. The SM-OFDM signal may be transmitted in channel resources that comprise multiple sub-carriers and the OFDM signals may be based at least partly on data symbols for used data portions of the sub-carriers. The used data portions may be based on a first portion of encoded bits and the data symbols for the used data portions may be based on a second portion of the encoded bits. In some examples, the used data portions of the sub-carriers may be different for at least some of the OFDM signals.
Multiuse data channel
Presented is a data channel with selectable components, such as encoders or decoders. Also, data having different data signal characteristics can be processed through a data channel based on the data signal characteristics. Further, a data channel may have independent encoding path and an independent decoding path. For example, a first data transmission having first data signal characteristics may be processed via a data channel based on a first selected set of components of the data channel and a second data transmission having second data signal characteristics different than the first data signal characteristics may be processed via the data channel using a second selected set of components in the data channel. The first selected set of components may be different than the second selected set of components, but may share one or more common components.
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
Adaptive index mapping for modulation scheme settings
A node (100) of a cellular network selects a first modulation scheme setting for a first radio link to a first device (10′). The first modulation scheme setting is selected from a set of modulation scheme settings, each identified by at least one corresponding index. On the basis of a mapping of each of the indices to a corresponding set of transmission parameters, the node (100) identifies a first set of link parameters mapped to the index corresponding to the selected first modulation scheme setting. The node (100) then configures the first radio link according to the identified first set of link parameters. Further, the node (100) selects a second modulation scheme setting for a second radio link to a second device (10).
Method and system for scheduling cascaded PON
One embodiment provides an apparatus for coupling between a trunk passive optical network (PON) and a leaf PON. The apparatus includes a trunk-side optical transceiver coupled to the trunk PON, a leaf-side optical transceiver coupled to the leaf PON, and an integrated circuit chip that includes an optical network unit (ONU) media access control (MAC) module, an optical line terminal (OLT) MAC module, and an on-chip memory.
Synchronizing wireless data acquisition of physiological information
A wireless data acquisition system includes a data acquisition unit including a data sensor; a first wireless data link and a second wireless timing link with predicable or low latency. Stimulus and time markers come from a trigger generator. Data signals from the data sensor are transmitted across the wireless data link and timing information of the data acquisition unit is transmitted across the wireless timing link. A receiving host receives the transmitted data and timing information for logging and/or processing.
Optical communication method and optical communication system
The present invention provides an optical communication method and an optical communication system in which eavesdropping is more difficult than in conventional techniques. An optical communication system in one embodiment of the present invention comprises: a photon pair generator which generates a correlated photon pair; a polarizer which is provided on an optical path of one photon of the correlated photon pair and direction of which is changeable based on information to be transmitted; a shutter which is provided between the photon pair generator and the polarizer on the optical path of the one photon of the correlated photon pair and which is capable of blocking the one photon of the correlated photon pair; and a photon detector which is provided on an optical path of another photon of the correlated photon pair.
Control of LO signal frequency offset between optical transmitters and receivers
A system includes a laser configured to generate a tunable optical frequency. The system also includes an optical transmitter to map baseband data to symbols represented in a digital modulation constellation, add a frequency offset to the digital modulation constellation to cause the digital modulation constellation to rotate at a rate equal to the added frequency offset, modulate the optical frequency with the rotating digital modulation constellation, and transmit the resulting modulated optical frequency. The system also includes an optical receiver to receive the transmitted modulated optical frequency and, using the tunable optical frequency, detect the rotating digital modulation constellation conveyed by the received modulated optical frequency.
In an optical synthesizer, a laser source outputs a laser. An optical modulator modulates the frequency of the laser to output a light including a first frequency component. An optical filter extracts the first frequency component from the output of the optical modulator. An optical comb generator generates an optical comb based on the laser and a predetermined driving signal. A variable-wavelength narrowband filter extracts a second frequency component from the optical comb. An optical-electric converter outputs an electric signal based on the frequency difference between the first and second frequency components.
Optical modulators and data processing systems using the same
An optical modulator includes an optical splitter splitting input optical signals into a first optical signal and a second optical signal and transmitting the first optical signal and the second optical signal to a first optical waveguide and a second optical waveguide, respectively, an optical combiner generating an output optical signal by combining the first and second optical signals transmitted from the first and second optical waveguides respectively, and including three output ports including a main output port, a first auxiliary output port, and a second auxiliary output port, three output optical waveguides connected to the three output ports, respectively, and transmitting the output optical signal, and an optical detector connected to at least one of the three output optical waveguides.
Bidirectional optical transceiver
An apparatus, system and method for facilitating higher bandwidth communication in a data center using existing multi-mode fibers. A first transceiver within a first device transmits Ethernet traffic to a second device over first and second optical fibers and receives return optical signals over the same first and second optical devices. By varying the wavelengths between the transmitted and received optical signals, the same optical fibers can be used to both transmit and receive optical signals. A second transceiver within the same housing as the first transceiver performs the same function. In this fashion, one device can be coupled to four bidirectional optical fibers, each transmitting and receiving optical signals at 20 Gbps.
Method and system for optical communication
In various embodiments of the present invention data is transmitted in light emitted by a light source by generating a continuous-time data signal and generating, based thereon, a drive signal that provides power to the light source, thereby causing the light source to emit light; variations in the amplitude of the drive signal represent information in the continuous-time data signal. A change in average power delivered to the light source as a result of the variations in the amplitude of the drive signal is detected and power to the light source is adjusted to compensate.
Spatially and/or distance defined light-based communications in a vehicle/roadway environment
Techniques are disclosed for providing spatially-defined and/or distance-defined light-based communications within a vehicle/roadway environment. In some embodiments, the techniques can be used to vary the data content of a given transmitted light-based communications signal based on factors such as position, distance, and/or proximity of the transmitting source and the receiver. In some embodiments, the techniques can be used to vary the processing or other handling of a received light-based communications signal based on one or more of such factors. In some instances, the disclosed techniques can be utilized to tailor light-based vehicle-to-X (V2X) communications for dissemination between and among vehicles and infrastructure in a vehicle/roadway environment. To that end, a node may host a transmitter (e.g., laser, LED, or other solid-state light source) configured to emit such light-based communication signals and/or a receiver (e.g., a photosensor or other light-based data input device) configured to sense such signals.
Frame structure for an adaptive modulation wireless communication system
A method of simplifying the encoding of a predetermined number of bits of data into frames including adding error coding bits so that a ratio of the frame length times the baud rate of the frame times he bit packing ratio of the data divided the total bits of data is always an integer. The method may also convolutionally encode the bits of data so that the same equation is also always an integer.
Pro-active message acknowledgement collection for improved data link preformance over reliable transport media
A computer implemented method and computer program product for improved data link performance over reliable transport media in a satellite-based global telecommunications network (e.g., Short Burst Data (SBD) transaction network) to reduce downlink latency includes sending a message over reliable transport media in the satellite-based global telecommunications network, polling for a response to the sent message and receiving the response to the sent message. In an aspect of the embodiment, the method can further include polling when a message alert notification is not received. In another aspect of the embodiment, the method can further include polling a single time. In yet another aspect of the embodiment, the method can include polling when a message alert timeout counter elapses.
Apparatus for transmitting and receiving signal in distributed antenna system
A method of receiving a reference signal by a user equipment. A first channel state information-reference signal (CSI-RS) configuration related to a discovery of a transmission point is received. A second CSI-RS configuration related to a CSI measurement is received. A CSI-RS according to the first CSI-RS configuration or the second CSI-RS configuration is received. Feedback information is transmitted to a base station. If the CSI-RS has been received according to the first CSI-RS configuration, the feedback information includes information on a CSI-RS received strength. If the CSI-RS has been received according to the second CSI-RS configuration, the feedback information includes a result of the CSI measurement.
System and method for multiplexing control and data channels in a multiple input, multiple output communications system
A system and method for system and method for multiplexing control and data channels in a multiple input, multiple output (MIMO) communications system are provided. A method for transmitting control symbols and data symbols on multiple MIMO layers includes selecting a first set of codewords from Ncw codewords, distributing control symbols onto the first set of layers, placing data symbols of the first set of codewords onto the first set of layers, placing data symbols of the (Ncw−Ncw1) remaining codewords to remaining layers if Ncw>Ncw1, and transmitting the multiple MIMO layers. The first set of codewords is associated with a first set of layers from the multiple MIMO layers, and the Ncw codewords are to be transmitted simultaneously and the first set of codewords comprises Ncw1 MIMO codewords, where Ncw and Ncw1 are integers greater than or equal to 1. The remaining layers are MIMO layers from the multiple MIMO layers not in the first set of layers.
Reduction of user plane congestion
Technology for reducing user plane congestion is disclosed. An inquiry request message can be received at a mobility management entity (MME) from a congestion information collection function (CICF). The inquiry request message can request an international mobile subscriber identity (IMSI) and a packet data network (PDN) connection identifier (ID) associated with user equipments (UEs) that are impacted by radio access network (RAN) user plane congestion. The IMSI and the PDN connection ID that are associated with the UEs can be identified based in part on the inquiry request message. An inquiry response message that includes the IMSI and the PDN connection ID can be sent to the CICF to enable the CICF to discover an assigned policy and charging rules function (PCRF) for the UEs that are impacted by the RAN user plane congestion, wherein the PCRF is configured to implement network policies to reduce the RAN user plane congestion.
Radio communicating system, radio communicating method, radio station, control station and program
A radio station communicates control information for multipoint cooperating communication, in which a plurality of radio stations takes part in data transmission/reception of a terminal, with another radio station taking part in the multipoint cooperating communication and/or a control station that manages the radio station.
Antenna configuration for dynamic re-distribution of magnetic fields
Described herein are architectures, platforms and methods for dynamic re-distribution of magnetic fields in a device during near field communication (NFC) related functions or transactions and/or wireless charging.
Method and system to measure the phase offset based on the frequency response in a NFC system
The present invention provides for a method and system for compensating phase offset caused by a matching network and antenna of a communications device. The method comprises: generating a mapping that correlates phase offset with a characteristic parameter; measuring the characteristic parameter for the communications device; using the measured characteristic parameter and the mapping to determine a phase offset for the communications device; and using the determined phase offset to compensate for the phase offset caused by the matching network and antenna of the communications device. The present invention also provides for a method and system for measuring a phase offset caused by a matching network and antenna of a communications device.
System for medical treatment
The present invention refers to a system for medical treatment comprising a medical device and a separate hand-held device. The medical device comprises an energy-receiving unit and the separate hand-held device comprises a housing and an energy-transfer unit to transfer energy to be used at least in part for performing medical treatment to the energy-receiving unit of the medical device when the energy-receiving unit and the energy-receiving unit are in an energy-transfer position. The system further comprises at least one position sensor adapted to detect at least when the energy-transfer unit and the energy-receiving unit are in the energy-transfer position. The system further comprises a controller for controlling the energy-transfer unit such that the transfer of energy needed for medical treatment from the energy-transfer unit to the energy-receiving unit is enabled only when the energy-transfer unit and the energy-receiving unit are in the energy-transfer position.
Preamble sequence detection of direct sequence spread spectrum (DSSS) signals
A direct sequence spread spectrum (DSSS) receiver includes an antenna, signal-to-noise ratio (SNR) estimation logic, and preamble detection logic. The antenna is configured to receive a DSSS signal. The SNR estimation logic is configured to estimate SNR of the received DSSS signal. The preamble detection logic is configured to, in response to the SNR estimate exceeding a SNR threshold value, detect a preamble sequence in the DSSS signal based on an absolute value of a sequence of correlation values. The sequence of correlation values is a complex quantity.
Same-aperture any-frequency simultaneous transmit and receive communication system
A same-aperture any-frequency simultaneously transmit and receive (STAR) system includes a signal connector having a first port electrically coupled to an antenna, a second port electrically coupled to a transmit signal path, and a third port electrically coupled to receive signal path. The signal connector passes a transmit signal in the transmit signal path to the antenna and a receive signal in the receive signal path. A signal isolator is positioned in the transmit signal path to remove a residual portion of the receive signal from transmit signal path. An output of the signal isolator provides a portion of the transmit signal with the residual portion of the receive signal removed. A signal differencing device having a first input electrically coupled to the output of the signal isolator and a second input electrically coupled to the third port of the signal connector subtracts a portion of the transmit signal in the receive signal path thereby providing a more accurate receive signal.
Transmit energy leakage control in a receiver
Systems and methods are provided for handling interference during communication of signals. A control signal based on leakage between the transmit path and the receive path, at least one signal applied in the transmit path during transmission of signals, and at least one signal generated in the receive path during processing of received signals. The control signal may then be applied into the receive path for use in completing processing of the received signals. One or more characteristics associated with the control signal may be set and/or adjusted based on one or more control signals applied in the transmit path. Characteristics of signals in the transmit path that may leak into the receive path may be tracked, and the control signal may be adjusted based on these Characteristics. Transmit power may be tracked, and the control signal may be adjusted based on the tracking of the transmit power.
Broadband power limiter
A broadband power limiter having a distributed architecture of multiple segments of self-actuating, adjustable power limiters, where the limiter segments are separated from each other along a signal path by intermediate matching inductors. The intermediate matching inductors are chosen to form, in combination with the capacitances of the limiter segments, an impedance matched, low-loss, broadband transmission line. Optionally, limiter segments may be configured with different sizes and stack depths in a “tapered” architecture, such that different limiter segments have different power limiting response times and power handling capabilities. As each limiter segment initiates its power limiting action, power is reflected back toward the signal line, helping to trigger the power limiting action of the remaining limiter segments. Optionally, a power detector circuit may provide a more ideal limiting function by modulating the threshold power point of the limiter segments as a function of the transient signal voltage.
Millimetre wave circuit
A mm wave circuit includes a multiplexer plate having first and second faces, and an output port in the first face. The mm wave circuit also includes a receiver having a receiver input port, the receiver being arranged on the first face and electrically earthed thereto, and an electrically insulating layer covering at least a portion of the first face, the electrically insulating layer having a top face spaced apart from the first face. The electrically insulating layer includes a via extending from the top face to the output port, the via having a via mouth arranged in the top face. The mm wave circuit also includes a receiving antenna at least partly covering the via mouth, the receiving antenna being connected to the receiver input port by a receive line.
Carrier aggregation using multiple antennas
RF front-end circuitry, which includes RF switching and duplexing circuitry, a first RF diplexer, and a second RF diplexer, is disclosed. The RF switching and duplexing circuitry operates in one of a group of RF transmit modes, such that the group of RF transmit modes includes at least one transmit uplink carrier aggregation mode. The RF switching and duplexing circuitry provides at least one RF transmit signal based on the one of the group of RF transmit modes. The first RF diplexer is coupled between the RF switching and duplexing circuitry and a primary RF antenna. The second RF diplexer is coupled between the RF switching and duplexing circuitry and an auxiliary RF antenna.
Systems and methods for transmitting data frames using multiple antennas
A transmitter including a transmit section and a frame formatter. The transmit section is to generate a stream of data to be transmitted using a plurality of antennas and separate the stream of data into a plurality of substreams corresponding to respective ones of the plurality of antennas. The frame formatter is to form respective frames of data from the plurality of substreams. Each of the frames of data includes a short preamble including short training symbols, a long preamble including long training symbols, and a signal field indicating a quantity of the plurality of antennas. The transmit section is further to transmit the frames of data using respective ones of the plurality of antennas.
Signal detection and power measurement with multi-band filter to mitigate narrowband interference
Various aspects of this disclosure describe detecting a signal and measuring power with a multi-band filter. Examples include a signal detection and power measurement module in a receiver capable of detecting a training signal and calculating a reliable power measurement in the presence of narrowband interference. A received signal is filtered by a multi-band filter comprising a plurality of sub-band filters. For instance, sub-band filters may be bandpass filters with non-overlapping pass-bands. A training signal is detected by comparing powers of each of the outputs of the sub-band filters to a plurality of thresholds. For example, each sub-band may be assigned a different threshold value. Responsive to detecting a training signal, a power measurement is determined from at least one sub-band filter output. A gain is set based on the determined power measurement, and applied in the receiver.
Low-loss isolating outphasing power combiner in a radio frequency device
The power combiner circuit includes a transformer having a first primary coil coupled to a first power amplifier (PA), a second primary coil coupled to a second PA, and a secondary coil. The secondary coil supplies a current to an antenna based on a first direction of a first phase of a first amplified constant-envelope signal in the first primary coil with respect to a second phase of a second amplified constant-envelope signal in the second primary coil. A first load impedance is associated with the first PA and a second load impedance is associated with the second PA. The first load impedance and the second load impedance receive currents from the first PA and second PA, respectively, based on a second direction of the first phase of the first amplified constant-envelope signal with respect to the second phase of the second amplified constant-envelope signal.
Apparatus and method for controlling a filter in a signal communication device
A communication device comprises a processor; and a diplexer comprising a low pass filter passing signals with frequency below a first frequency threshold, the low pass filter having a first input and a first output, and a second filter being one of a high pass filter and a band pass filter passing signals with frequency above a second frequency threshold, the second filter having a second input and a second output; and a switch controllable by the processor for connecting the second input to a termination in a first state and connecting the second input to the first input in a second state responsive to a control signal from the processor, wherein the first output is coupled to the second output and the first input is configured to receive an input signal having a frequency range covering at least the first frequency threshold.
Multiplex antenna matching circuit, wireless communication device, and method for coupling multiple signal ports to an antenna via cascaded diplexers
The present application provides a multiplex antenna matching circuit and method for coupling multiple signal ports to an antenna via cascaded diplexers. The multiplex antenna includes a diplexer for coupling a single merged port associated with an antenna with two separated signal nodes. The multiplex antenna further including at least one cascaded sub-diplexer. Each cascaded sub-diplexer is associated with a respective one of the two separated signal nodes, where the cascaded sub-diplexer further couples the respective one of the two separated signal nodes with a respective two further separated signal ports.
Enhanced cyclical redundancy check circuit based on galois-field arithmetic
Methods and apparatus related to enhanced Cyclical Redundancy Check (CRC) circuit based on Galois-Field arithmetic are described. In one embodiment, a plurality of exclusive OR logic include first exclusive OR logic and second exclusive OR logic. First Galois Field multiplier logic multiplies a first output from the first exclusive OR logic and a first portion of a plurality of portions of the input data. Second Galois Field multiplier logic multiplies a second output from the second exclusive OR logic and a second portion of the plurality of portions of the input data. Other embodiments are also disclosed and claimed.
Compression of floating-point data by identifying a previous loss of precision
Each binary floating-point value in a set of binary floating-point values is converted to a decimal floating-point value. Data are determined including an exponent, a mantissa and a quantity of decimal digits of the mantissa for each decimal floating-point value. The exponents, the mantissas and the quantity of decimal digits are individually compressed to produce compressed floating-point values based on the individual compressions.
Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules
A broadband digital beam forming system comprises a set of Q pre-processing modules, Q being an integer greater than or equal to 2, and a set of M digital beam forming modules in communication with the Q preprocessing modules. Each of the Q preprocessing modules receives a respective one of Q broadband input signal streams and outputs M narrowband signal streams, M being an integer greater than or equal to 2. The total number of narrowband signal streams outputted by the Q pre-processing modules is Q times M. Each of the M digital beam forming modules receives corresponding Q narrowband signal streams of the Q times M narrowband signal streams, and outputs R beam signals, R being an integer greater than or equal to 1. The system further comprises a set of R post-processing modules in communication with the M digital beam forming modules. Each of the R post-processing modules receives M beam signals, each of the M beam signals being a corresponding one of the R beam signals from each of the M digital beam forming modules, and outputs a corresponding broadband output signal.
Frequency divider and phase-locked loop including the same
A frequency divider includes a first shifter and a second shifter. The first shifter includes first to M-th clock control components connected together to form a first ring. The control components in the first shifter are controlled by an input clock signal such that signals are shifted along the first ring. An output of selected clock control components in the first shifter is provided as a carry signal of the first shifter. The second shifter includes first to N-th clock control components connected together to form a second ring. The control components in the second shifter are controlled by the carry signal of the first shifter such that the signals are shifted along the second ring. An output of selected clock control components in the second shifter is provided as a carry signal of the second shifter. M and N are integers greater than one.
Methods and systems for averaging impedance calibration
A semiconductor device includes a power management integrated circuit that supplies a periodic supply voltage signal. The semiconductor device also includes programmable termination components and a calibration circuit. The calibration circuit generates impedance calibration codes associated with a period of the periodic supply voltage signal. The calibration circuit also calibrates impedance of the programmable termination components based on an average impedance calibration code of the impedance calibration codes. The semiconductor device further includes an averaging circuit that determines the average impedance calibration code of the impedance calibration codes.
Methods and apparatuses using control indicators for data processing systems
A control indication assembly. A first control mounted on a surface of a computer is coupled to a first sensor, to a first sensing circuit to send an electrical signal to the first control when a user-touch occurs to the first sensor, and to a first indicator to indicate an occurrence of said user-touch. A second control mounted on a surface of a display which is coupled to the computer is coupled to a second sensor, to a second sensing circuit to send an electrical signal to said second control when said user-touch occurs to the display, and to a second indicator to indicate an occurrence of the user-touch. The first and second control are configured such that the first and second indicator are synchronized to exhibit identical behaviors when the user-touch occurs to either the first control or the second control.
Radio-frequency switch having dynamic gate bias resistance, body contact, and compensation circuit
Radio-frequency (RF) switch circuits having switchable transistor coupling for improved switching performance. An RF switch system includes at least one field-effect transistor (FET) disposed between first and second nodes, each FET having a gate and body. A switchable resistive coupling circuit is connected to each of the respective gates. A switchable resistive grounding circuit is connected to each of the respective bodies. The RF switch system also includes a compensation circuit to compensate a non-linearity effect generated by at least one of the field-effect transistors.
PWM signal generating apparatus, motor control apparatus, and light scanning apparatus
A PWM signal generating apparatus configured to generate a PWM signal by applying parallel serial conversion to pattern data obtained by converting input data into a waveform pattern of a PWM signal having one pulse divided into a predetermined number of pulses, the PWM signal generating apparatus including: a clock generating circuit configured to generate a plurality of clock signals having mutually different phases; a conversion circuit configured to convert the input data into the waveform pattern of the PWM signal; an encoding circuit configured to generate, from the waveform pattern, a plurality of encoded signals synchronized with respective clocks of the plurality of clock signals generated by the clock generating circuit; and a decoding circuit configured to generate the PWM signal from the plurality of encoded signals output from the encoding circuit.
According to one embodiment, there is provided a semiconductor device including an input terminal, an output terminal, an oscillation circuit, an adjuster circuit, a driver circuit, and a detector circuit. The input terminal receives a first clock. The oscillation circuit generates an internal clock. The adjuster circuit corrects a duty ratio of a clock. The driver circuit receives the clock from the adjuster circuit and supplies a third clock to the output terminal. The detector circuit detects that a duty ratio of a clock according to the third clock deviates from a duty ratio of a second clock according to the internal clock. The adjuster circuit adjusts a correction amount in tune with the second clock, and corrects a duty ratio of the first clock with the adjusted correction amount according to a detection result of the detector circuit.
Semiconductor device and communication module
A semiconductor device includes an amplifier, a slew rate regulating circuit, a detection circuit, and a control circuit. The amplifier is configured to amplify an input signal. The slew rate regulating circuit is configured to regulate the slew rate of the input signal. The detection circuit is configured to detect the slew rate of the input signal along a signal path of the input signal between the slew rate regulating circuit and the amplifier. The control circuit is configured to control the slew rate regulating circuit based on a detection result of the detection circuit.
RLS-DCD adaptation hardware accelerator for interference cancellation in full-duplex wireless systems
An adaptation hardware accelerator comprises a calculation unit to receive inputs at predefined time interval(s) that correspond to a calculation iteration, the inputs associated with adaptive filters having taps, and determine correlation and cross-correlation data based thereon for a given iteration. The correlation data comprises a correlation matrix. Determining the matrix comprises determining submatrices in an upper triangular portion and a diagonal portion of the matrix. The accelerator comprises an adaptation core unit to determine adaptive weights associated with the adaptive filters, respectively, based on an adaptive algorithm, utilizing the correlation and cross correlation data. The accelerator unit comprises a convergence detector unit to determine a convergence parameter; and a controller to generate an iteration signal for each time interval based on the parameter. The iteration signal communicates to continue or conclude; the conclusion indicates determination of a final value of adaptive weights by the core unit.
Ladder-type filter, duplexer, and module
A ladder-type filter includes: one or more series resonators connected in series between an input terminal and an output terminal; two or more parallel resonators connected in parallel between the input terminal and the output terminal; and a path that electrically connects ground terminals of the two or more parallel resonators to each other, electrically connects to ground through only a ground terminal of a parallel resonator located closest to the input terminal or to the output terminal, and includes at least two inductors connected in series in at least two positions of positions between the ground terminals of the two or more parallel resonators and a position between the ground terminal of the parallel resonator located closest to the input terminal or to the output terminal and the ground.
Acoustic wave device
The present invention relates to an acoustic wave device including: a substrate; an IDT arranged on the substrate; a connection electrode arranged on the substrate and electrically connected to the IDT; a side wall formed outside the IDT to create a cavity including the IDT on the substrate; a cover formed on a top of the side wall; a connection terminal penetrating the side wall or the cover or formed along an inner or outer peripheral surface of the side wall, and electrically connected to the connection electrode; and a conductive layer formed on a top of the cover not to be overlapped with the connection terminal, in which an area of the conductive layer is less than 50% of an area of the cover.
Method of automatic adjustment of a tunable matching circuit, and automatic tuning system using this method
The invention relates to a method for automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. The reactance of each adjustable impedance device of the tunable matching circuit is determined by at least one tuning control signal. In addition to the begin symbol and the end symbol, a flowchart of a tuning sequence comprises: a process generating initial values of the tuning control signals, which uses an open-loop control scheme using one or more quantities depending on the carrier frequency of the excitation; and a process generating subsequent values of the tuning control signals, which uses a closed-loop control scheme and an extremum-seeking control algorithm.
System on chip and correction method of termination impedance element thereof
A system on chip (SoC) and a correction method of termination impedance element thereof are provided. The SoC includes a pad, a first termination impedance element, and a correction circuit. The pad is coupled to an external dynamic random access memory (DRAM) chip, where the DRAM chip includes a corrected termination impedance element. The first termination impedance element is coupled to the pad. The correction circuit is coupled to a control terminal of the first termination impedance element, to control an impedance value of the first termination impedance element. During an initialization period, the correction circuit corrects the impedance value of the first termination impedance element by using the impedance value of the corrected termination impedance element.
Systems and methods for powering and communicating with wireless sensor devices using building electrical wiring
A system and method for powering and communicating with wireless sensors are provided. One system includes a radio-frequency (RF) transmitter configured to transmit at least one of RF power signals or RF communication signals and a coupling circuit configured to couple the RF transmitter to electrical wiring to allow transmission of the RF power signals or the RF communication signals through the electrical wiring. The system also includes a connector configured to couple the RF transmitter to a power outlet of the electrical wiring.
Variable bandwidth filtering
An apparatus, and related method, relates generally to viable bandwidth filtering. In such an apparatus, an analysis filter bank has path filters associated with different bandwidths and is configured for filtering and transforming an input signal having a first bandwidth into a first interleaved output. A mask is coupled to the analysis filter bank and configured for masking at least one narrowband time signal of the first interleaved output. A synthesis filter bank is coupled to the mask. The synthesis filter bank is configured for transforming and filtering the masked first interleaved output to generate a second interleaved output for constructing an output signal having a second bandwidth. The second bandwidth is different than the first bandwidth for the variable bandwidth filtering.
Laminated LC filter
In a laminated LC filter, at least four LC parallel resonators are provided inside a multilayer body. At least a pair of loops of inductors in odd numbered-stage LC parallel resonators among the at least four LC parallel resonators are disposed at an angle at which magnetic coupling is obtained therebetween, and winding directions thereof are the same, so as to obtain magnetic coupling between the inductors. In addition, magnetic coupling may also be obtained between a pair of loops of inductors in even numbered-staged LC parallel resonators among the at least four LC parallel resonators.
Techniques for distortion reducing multi-band compressor with timbre preservation
Distortion reducing multi-hand compressor with timbre preservation is provided. Timbre preservation is achieved by determining a time-varying threshold in each of a plurality frequency bands as a function of a respective fixed threshold for the frequency band and, at least in part, an audio signal level and a fixed threshold outside such frequency band. If a particular frequency band receives significant gain reduction due to being above or approaching its fixed threshold, then a time-varying threshold of one or more other frequency bands are also decreased to receive some gain reduction. In a specific embodiment, time-varying thresholds can be computed from an average difference of the audio input signal in each frequency band and its respective fixed threshold.
Circuit for and method of receiving an input signal
A circuit for receiving an input signal is described. The receiver comprises a first receiver input configured to receive a first input of a differential input signal; a second receiver input configured to receive a second input of a differential input signal; a differential pair having an inverting input and a non-inverting input; a first impedance matching element coupled to the differential pair, wherein the first impedance matching element provides DC impedance matching from the inverting input and non-inverting input of the differential pair; and a second impedance matching element coupled to the differential pair, wherein the second impedance matching element provides AC impedance matching from the inverting input and non-inverting input of the differential pair.
Power amplifier bias circuit
Power amplifier bias circuit. A power amplifier bias circuit can include an emitter follower device and an emitter follower mirror device coupled to form a mirror configuration. The emitter follower device can be configured to provide a bias signal for a power amplifier at an output port. The power amplifier bias circuit can include a reference device configured to mirror an amplifying device of the power amplifier. The emitter follower mirror device can be configured to provide a mirror bias signal to the reference device.
Mixer impairment correction based on volterra series
Techniques for compensating for signal impairments introduced by a mixer are discussed. One example system employing such techniques can include mixer predistortion circuitry configured to receive signal in-phase (I) and signal quadrature (Q) components of a signal and to generate a mixer predistortion signal based at least in part on the signal I and Q components, wherein the mixer predistortion signal compensates for nonlinearities caused by a mixer that upconverts the signal. Optionally, imbalance correction circuitry to compensate for gain and phase imbalance and/or skew correction circuitry to compensate for gain and phase skew can also be included.
Apparatus and methods for envelope tracking systems
Apparatus and methods for envelope tracking systems are provided. In certain configurations, an envelope tracking system includes a digital filter that generates a filtered envelope signal based on a digital envelope signal representing an envelope of a radio frequency signal, a buck converter controllable by the filtered envelope signal and including an output electrically connected to a power amplifier supply voltage, a digital-to-analog converter module including an output electrically connected to the output of the buck converter and that provides an output current, and a digital shaping and delay circuit configured to generate a shaped envelope signal based on shaping the filtered envelope signal. The shaped envelope signal controls a magnitude of the output current, and the digital shaping and delay circuit controls a delay of the shaped envelope signal to align the output of the digital-to-analog converter module and the output of the buck converter.
High-frequency semiconductor amplifier
According to one embodiment, a high-frequency semiconductor amplifier includes an input terminal, an input matching circuit, a high-frequency semiconductor amplifying element, an output matching circuit and an output terminal. The input terminal is inputted with a fundamental signal. The fundamental signal has a first frequency band and a first center frequency in the first frequency band. The input matching circuit includes an input end and an output end. The input end of the input matching circuit is connected to the input terminal. The high-frequency semiconductor amplifying element includes an input end and an output end. The input end of the high-frequency semiconductor amplifying element is connected to the output end of the input matching circuit. The high-frequency semiconductor amplifying element is configured to amplify the fundamental signal.
Wien bridge oscillator
An oscillator circuit that includes a Wien bridge oscillator circuit, a full-wave rectifier circuit, coupled to an output of the Wien bridge oscillator circuit, an integrator circuit, coupled to an output of the full-wave rectifier circuit, and a multiplier circuit. The multiplier circuit may include a first input coupled to the output of the Wien bridge oscillator circuit, and a second input, coupled to an output of the integrator, wherein the multiple signals are configured to provide dynamic gain control to the Wien bridge oscillator circuit.
Motor drive control apparatus, compressor, fan, and air-conditioning apparatus
A motor drive control apparatus according to the present invention includes: a three-phase rectifier to rectify an AC voltage supplied from a three-phase AC source; a booster circuit including a reactor, a switching element, and a backflow preventing element, to boost a DC bus voltage supplied from the three-phase rectifier; a smoothing capacitor to smooth an output of the booster circuit; and an inverter circuit to convert the DC bus voltage smoothed by the smoothing capacitor into an AC voltage and supplying the AC voltage to a motor. During a starting operation of a boosting operation of the booster circuit or a stopping operation of the boosting operation thereof, a rotation speed of the motor is fixed.
Control apparatus of rotary electric machine
A control apparatus of a rotary electric machine which can be configured so that the upper limit of a vibration torque component, in which the rotary electric machine is made to output, is not limited by a maximum output torque of the rotary electric machine is provided. The rotary electric machine is controlled such that when a vibration maximum value in which an amplitude of a vibration torque command value Tcv from a vibration command calculation section is added to a basic torque command value Tcb from a basic torque command calculation section exceeds an upper limit command value Tcmx, the addition of the vibration torque command value Tcv from the vibration command calculation section is stopped and a basic vibration torque command value Tcvb calculated by a basic vibration torque calculation block is regarded as a final torque command value Tcf.
Rotating electric machine control device
A rotating electric machine control device includes: a q-axis PI controller calculating a pre-restriction q-axis voltage instruction value based on a q-axis voltage detection value and a q-axis current instruction value; a first q-axis restricter calculating a post-restriction q-axis voltage instruction value by restricting the pre-restriction q-axis voltage instruction value, for an excess of output exceeding a maximum outputtable voltage V_max; a correction value calculator calculating a q-axis correction value that has a reverse phase of a ripple current of a q-axis current; and a corrector correcting the post-restriction q-axis voltage instruction value with the q-axis correction value. In such manner, even when the pre-restriction q-axis voltage instruction value is saturated, a ripple current is reduced, thereby reducing a sound and/or a vibration caused by the ripple current.
Drive arrangement for the motorized adjustment of an adjustment element of a motor vehicle
The invention relates to a drive arrangement for the motorized adjustment of an adjustment element of a vehicle, wherein at least one drive comprising an electric drive motor and a drive control means and is connected to a supply, wherein the drive is designed in a non-self-locking manner, the drive motor operates as a generator and generates a generator voltage, wherein the drive control means has a driver unit for supplying electrical power to the at least one drive. The invention proposes that the drive control means has a switching device and has a detection device for detecting a non-motorized adjustment of the adjustment element, and that the drive control means, when a predetermined, non-motorized adjustment of the adjustment element is detected, connects the supply voltage to the supply connections of the driver unit by means of the switching device in one switching operation.
Adaptable input phase switching
A power supply unit (1) that is to be connected to different types of power supply networks includes an input (2) to receive AC power from the power supply network and an output (3) for providing power to an electrical device. The electrical device may for example be a computer, a telecom infrastructure device, inductive cooking/heating systems or an on-board charger of an electrical automotive vehicle. The power supply unit (1) includes at least two converters (4) that are connected between the inputs (2) and the output (3) and it further includes a controllable switching arrangement (5). The switching arrangement (5) includes a number of controllable switches (6) to controllably connect the converters (4) in different configurations to the input (2) and therefore also controllably to different supply lines of the power supply network.
DC-DC converter apparatus including single drive circuit board arranged at predetermined interval from metal base
To achieve reduction in size and reduction in cost of a DC-DC converter apparatus. Rectifier elements and are installed onto a metal base, and a drive circuit board is installed to an upper part of the rectifier element. Each terminal of the rectifier elements and is soldered to the drive circuit board. Three terminals of the rectifier elements are soldered, respectively, to a drive signal wiring pattern, a high-potential-side main current wiring pattern, and a low-potential-side main current wiring pattern of the board. A pair of output terminals of a transformer is connected to at least the pair of high-potential-side main current wiring patterns using high-potential-side metal conductors.
System and method for a switched-mode power supply
In accordance with an embodiment, a method of operating a switched-mode power includes turning on an output switch of the switched-mode power converter coupled to a supply output port of the switched-mode power converter, where an output switch current flows to the supply output port through the output switch in a first direction after turning on the output switch. The method further includes turning off the output switch a first period of time after the output switch current changes polarity from the first direction to a second direction opposite the first direction.
Switching-mode power supply with helper current source
Power supplies combining a switching-mode power supply in parallel with a current source can improve maximum load current capability. The current source can be turned on, or the amount of current supplied by the current source increased, when there is a heavy load current demand, for example, when the load current demand is more than the current rating of the switching-mode power supply. The duty cycle of the output stage of the switching-mode power supply can be used to determine the load current demand. The current source may increase the maximum output current of the power supply beyond the maximum output current of the switching-mode power supply. For example, the current source may add 0.5 A to the current capability of a 2.5 A switching-mode power supply.
Power supply unit arrangement for an electronic device, power supply for an electronic device having at least a high-load state and a low-load state and computer system having a normal operating state and at least one energy saving state
A power supply unit arrangement for an electronic device includes a first switching converter with a first control loop that provides a controlled output voltage (DC-out) at a node; a second switching converter with a second control loop that alternatively provides the controlled output voltage (DC-out) at the node; and an open-loop control circuit connected to the first control loop and the second control loop, wherein the open-loop control circuit, upon a changeover of the current supply from the first switching converter to the second switching converter, sets a predetermined control state of the first control loop and deactivates the first switching converter and, upon a changeover of the current supply from the second switching converter to the first switching converter, reactivates the first switching converter using the predetermined control state.
Voltage charge pump with segmented boost capacitors
A voltage charge pump circuit with boost capacitor segments and boost delay chain structures are provided. The voltage charge pump circuit comprising a plurality of boost capacitor segments each of which is individually controlled by a respective signal line of a boost delay chain structure.
Power factor correction circuit and driving method thereof
A power factor correction circuit corrects a filter current flowing through a filter capacitor asymmetrically based on a peak of an input voltage by controlling a switching operation of a power switch, thereby correcting distortion of an input current.
Inverter circuit with voltage limitation
The invention relates to an inverter circuit (80) which comprises first and second switching means (1, 2) that are connected, in an electrical path (10), in series to one another and parallel to a DC link capacitor (20). Said inverter circuit (80) also comprises an output (9) and two inputs (11, 12) which are each electrically-conductively connected to a pole of the DC link capacitor (20) and can each be connected to a pole of an energy store. Said inverter circuit (80) also comprises a voltage limitation element (30) which is electrically-conductively connected to the electrical path (10) by a first connection between the two switching means (1, 2), and to the control connection (3) of the second switching means (2) by a second connection. According to the invention, a capacitor (40) is arranged in said electrically-conductive connection between the voltage limitation element (30) and the control connection (3) of the second switching means (2), and a reference voltage source (50) is electrically-conductively connected to the first connection of said voltage limitation element (30).
Electric machine with permanently excited inner stator
An electric machine includes an outer stator having a plurality of windings, an inner stator having a plurality of permanent magnets and arranged within the outer stator in concentric relationship to the outer stator, and a rotor arranged between the outer stator and the inner stator in concentric relationship to the outer and inner stators and movable relative to the outer and inner stators. The rotor includes a mounting element which is made from a non-magnetic material and has a plurality of recesses, with a magnetically soft segment being arranged in each of the recesses. A first cooling device cools the permanent magnets of the inner stator.
Double-rotor type electrical rotating machines
An electrical rotating machine comprises: a stator including armature pole coils 14 capable of generating magnetic flux when energized; an inner rotor driven to rotate when the magnetic flux passes therethough; and an outer rotor in a magnetic path of the magnetic flux that passes through the first rotor, the outer rotor having portions of different materials, in permeability, which are situated along the periphery of the outer rotor, the inner rotor having a plurality of salient poles situated along the periphery of the inner rotor and wound by wound coils 34 which induce induced current when linked by the magnetic flux generated by the armature pole coils.
Method for manufacturing band-shaped stator core sheets
Provided are a method for manufacturing band-shaped stator core sheets, capable of efficiently separating the band-shaped stator core sheets having engaged magnetic pole pieces, and a die apparatus used therefor.The method comprises placing tips of magnetic pole pieces 12, 13 of first and second band-shaped stator core sheets 10, 11 on inner peripheries of yoke pieces 16, 15, a slot punching step for forming gaps of the magnetic pole pieces 12, 13, a shear-cutting step for cutting the tips of the magnetic pole pieces 12, 13 from the inner peripheries of the yoke pieces 16, 15, respectively, a correction step for returning the magnetic pole pieces 12, 13 bent by the shear-cutting step to their original states, and a separation step for separating the first and second band-shaped stator core sheets 10, 11 with the magnetic pole pieces 12, 13 pressed back by the correction step.
Spindle motor and disk drive apparatus
A base portion of a spindle motor includes a base portion through hole passing therethrough from an upper surface to a lower surface thereof. Coils include a lead wire drawn out from above the upper surface downwardly from the lower surface through the base portion through hole. A circuit board includes a land portion to which the lead wire is connected. The spindle motor includes an insulation sheet portion configured to cover at least a portion of the base portion through hole and with which the lead wire is arranged to be in contact. A thickness of the insulation sheet portion is greater than a thickness of the land portion.
Temperature estimation apparatus for rotating electric machine
A temperature estimation apparatus for a rotating electric machine includes a coolant dissipator, a heat dissipation amount calculator, a coolant temperature calculator, and a temperature calculator. The coolant dissipator is to cool down a coolant by heat exchange with a cooling air outside a rotating electric machine. The heat dissipation amount calculator is to calculate heat dissipation amount of the coolant in the coolant dissipator based on a physical quantity correlating with air speed of the cooling air and a physical quantity correlating with flow rate of the coolant. The coolant temperature calculator is to calculate, based on the heat dissipation amount, temperature of the coolant that has passed through the coolant dissipator. The temperature calculator is to calculate, based on the temperature of the coolant, temperature of the rotating electric machine which the coolant cool down.
An electric motor to be easily assembled while taking the advantages of a retrofitted electric motor, excellent maintenance performance and no fear of damage in a temperature sensitive device due to resin injection pressure. The electric motor includes an electric motor shaft, a rotor, a stator, a housing, a sealing body formed of sealant to cover a coil end of the stator, a temperature sensitive device, an end cover, and a resilient retaining member. The electric motor shaft passes through the end cover. The sealing body includes a temperature-sensitive-device support surface opposed to the end cover. The temperature sensitive device is retained between the end cover and the temperature-sensitive-device support surface while the retaining member is interposed between the temperature sensitive device and the end cover.
A motor actuator includes a rotation sensor and a circuit board both of which are contained in a housing. The rotation sensor includes a rotation detection pattern for generating a detection signal indicating a rotational position of an output shaft, and an output terminal capable of outputting the detection signal from the rotation detection pattern. A terminal connection part to which the output terminal is connected is provided in the circuit board, and electronic components including a communication control unit for controlling the communications with an external control apparatus are mounted on the circuit board.
Electronic assembly for a rotary electric machine for a motor vehicle
The present invention relates to an electronic assembly (10) for a rotary electric machine (1) for a motor vehicle. Said electronic assembly is characterized by comprising: blocks (100, 200, 300) of electronic components, the blocks having different heat dissipation needs, the blocks being: a power block (100), a filter block (200), a control block (300), and a device (10′) for cooling said blocks (100, 200, 300); said cooling device (10′) comprising: a protective cover (400) suitable for covering the power, filter and control blocks (100, 200, 300), said protective cover comprising openings (401, 402, 403, 404) suitable for generating cooling air flows which differ according to the heat dissipation needs of each of the power (100), control (200) and filter (300) blocks; and cooling elements (101, 201) coupled with said protective cover (400).
Rotating electrical machine
According to an electric motor, a cooling hole is formed outside of a circular arc-like region having an intersection between extension lines from inner side surfaces of adjacent permanent magnets as a center of the circular arc-like region and a distance between the intersection and an intermediate point on the side surface of the permanent magnet as a radius of the circular arc-like region. Thus, heat generation by a magnetic resistance due to the cooling hole is suppressed to improve efficiency.
Permanent magnet rotating electrical machine
In a permanent magnet rotating electrical machine including a stator, a rotor obtained by stacking a plurality of rotor cores arranged with magnet insertion holes in layers with gaps, and permanent magnets inserted to the magnet insertion holes, the magnet insertion holes are formed on both sides of the duct piece so as to depart from the duct piece disposed between the rotor cores as the magnet insertion holes extend from the side of the center of the rotor core to the outer circumference side, the magnet insertion holes are disposed so as to shift from the duct piece in the circumferential direction of the rotor, and inner circumference side voids having the length in the circumferential direction wider than the thickness in the circumferential direction of the permanent magnets are provided from the inner circumference side ends of the permanent magnets toward the duct piece.
Axial-type rotary electric machine
An axial-type rotary electric machine that improves a torque and an efficiency relative to a size of a rotor is provided. The axial-type rotary electric machine is provided with a stator having a stator core, and a rotor facing the stator along an axial direction of a rotation axis passing through the stator. The rotor includes a permanent magnet arranged so as to face the stator core in the axial direction of the rotation axis, a yoke arranged so as to face the stator core across the permanent magnet, and a support member supporting the yoke. The support member includes a protrusion protruding so as to face a side surface of the permanent magnet that is on the farther side to the rotation axis. In projection along the axial direction of the rotation axis, a first region where a projecting portion of the permanent magnet does not overlap a projecting portion of the yoke is formed in the permanent magnet, and the first region is formed on the outer-diameter side of the permanent magnet and the first region is formed on a side of the protrusion.
Individual-segment rotor having individual segments retained by flexural supports and production method
The aim is to provide an individual-segment rotor, the construction of which requires low production expenditure. For this purpose, an individual-segment rotor having an axis of rotation and a plurality of laminated core segments (5) arranged around the axis of rotation is provided. Each laminated core segment (5) is radially fastened to a separate flexural support (11). All flexural supports (11) are radially retained by at least one fastening ring (14).
Detecting device, power receiving device, contactless power transmission system, and detecting method
Disclosed herein is a detecting device including a coil electromagnetically coupled to the external, a resonant circuit that includes at least the coil, and a detecting section that superimposes a measurement signal for measuring the Q-factor of the resonant circuit on a power transmission signal transmitted to the coil in a contactless manner and removes the power transmission signal from an alternating-current signal obtained by superimposing the measurement signal on the power transmission signal. The detecting section measures the Q-factor by using the alternating-current signal from which the power transmission signal is removed.
Terminal and battery charging control device and method thereof for realizing overcurrent and/or overvoltage protection
The present disclosure relates to the technical field of charging. A terminal and a battery charging control device and method are provided. The battery charging control device including a battery connector, a main control circuit and a quick charging switch circuit is adopted. During the regular charging or the quick charging, the main control circuit performs a data communication with the external power adapter via the communication interface, and obtains a charging voltage and a charging current for the battery; if the charging voltage is greater than a voltage threshold and/or the charging current is greater than a current threshold, the main control circuit sends a charging switch-off instruction, such that the controller controls the communication interface to switch off; if the charging voltage is less than or equal to the voltage threshold and the charging current is less than or equal to the current threshold, the main control circuit continues to obtain the charging voltage and the charging current.
Wireless charging device
A wireless charging device capable of charging an electronic device is provided. The wireless charging device includes a supporting component, a stage and at least one electrical transmitter. The stage is used to carry the electronic device and is swingingly disposed on the platform through the supporting component. The electrical transmitter is movably disposed in the stage. When the electronic device is placed on an end of the stage which is relatively away from the supporting component, the stage swings in relative to the platform by using the supporting component as a fulcrum, and the stage is inclined to the platform. As a result, the electrical transmitter moves toward the electronic device due to gravitational pull, and thereby aligns with an electrical receiver in the electronic device so as to wirelessly charge the electronic device.
Transitionable magnetic barrier for wireless charging device
In one aspect, a first device includes at least one wireless charge receiver that comprises a coil and a circuit electrically coupled to the coil. The first device also includes at least one barrier respectively positioned in the first device to transitionably shield, from a magnetic field of a wireless charge transmitter, at least one component of a second device in which the first device is disposable.
Tetherless device charging for chained devices
In one embodiment, a method includes integrating a charging pad into a powered device having a power supply, where the powered device is at least one of a monitor and a keyboard. The method includes configuring the charging pad to receive a first chargeable device in a charging position relative to the charging pad. The method further includes configuring the charging pad to deliver an electrical charge from the power supply to the first chargeable device when the chargeable device is in the charging position.
Inductive charging unit
An inductive charging unit is provided, in particular a hand-held power tool inductive charging unit, which is provided for transferring energy in a coupled state with an induction battery, including at least one charging coil and a housing which includes at least one receiving area for accommodating the induction battery in a coupled state. It is provided that the at least one receiving area has at least one recess.
Power switch device and system using same
A power switch device provides and cuts off power supply to a load in which a MOSFET for causing a direct current power source to be connected and disconnected is provided between power supply lines and the direct current power source, located upstream of the power supply lines, the power supply lines including a ripple capacitor for stabilizing the supply voltage against fluctuations in the load current in the load, powered by the direct current power source. The power switch device is operated to transition power supply from opening to closing by gradually increasing the output voltage of the MOSFET to minimize the value of current charging the ripple capacitor.
Managing renewable power generation
A power delivery rate from a renewable power source to a load is managed by determining, by processing circuitry, a change in a power generation rate, determining, by the processing circuitry, whether the change in the power generation rate exceeds a limit, and then, adjusting, by control circuitry, a power transfer rate to or from a power storage device, such that the adjusting is sufficient to prevent the power delivery rate from exceeding the limit.
A battery pack is disclosed. In one aspect, the battery pack includes a battery unit including a plurality of main battery cells and an additional battery cell. The battery pack also includes a battery management system (BMS) configured to receive voltage information about the battery unit and control charging and discharging of the battery unit. The BMS includes at least one voltage measuring terminal configured to receive main voltage information about the main battery cell and an analog to digital converting terminal configured to receive additional voltage information about the additional battery cell.
Drive apparatus and transporter
A drive apparatus includes a first power storage, a second power storage, an electric motor, a voltage booster, an electric device. The second power storage is superior to the first power storage in energy to weight density and is inferior to the first power storage in output to weight density. The electric motor is to be driven with power supplied from at least one of the first power storage and the second power storage. The voltage booster is to boost a voltage output from the first power storage. The voltage booster includes a switch to electrically connect or disconnect the first power storage to at least one of the electric motor and the second power storage. The electric device is provided between the first power storage and the voltage booster. The voltage output from the second power storage is higher than a guaranteed operating voltage of the electric device.
Wireless power transfer and communications for industrial equipment
Methods and systems for wirelessly transmitting power and/or data.
Electric power generation operation point control circuit device
Three or more photovoltaic cell units connected in series include a unit holding a voltage between output terminals, a first voltage holding unit group having a voltage holding unit holding a voltage between an anode-side terminal and a cathode-side terminal for each photovoltaic cell unit set with respect to each set of the (2k+1)th and (2k+2)th photovoltaic cell units connected in series to each other counted from the anode side, and a second voltage holding unit group having a voltage holding unit holding a voltage between an anode-side terminal and a cathode-side terminal for each photovoltaic cell unit set with respect to each set of the (2k+2)th and (2k+3)th photovoltaic cell units connected in series to each other counted from the anode side.
Power conversion device
In the case of performing self-sustained operation, when power conversion devices supply power to loads, all DC/AC conversion circuits of the power conversion devices are operated in a voltage control mode, and effective voltage (amplitude) of reference AC voltage as a control target for AC power outputted from each DC/AC conversion circuit under voltage control is adjusted in accordance with the power generation amount of a solar panel as a DC power supply, and the state of charge of a storage battery, thereby the amount of power supplied to the loads is controlled.
System and method for controlling a converter circuit
A method for controlling an operation of a converter circuit adapted to regulate power transfer between a first voltage source and a second voltage source includes detecting a first voltage level of the first voltage source and a second voltage level of the second voltage source; calculating a power value based on the detected first voltage level and the detected second voltage level; comparing the calculated power value with a reference power value; and determining switching time of one or more switches in the converter circuit based on a compared result so as to regulate power transfer between the first voltage source and the second voltage source.
Electronic trading confirmation system
A system and method of confirming trades of financial instruments such as OTC derivatives is disclosed. The system includes a data interface which accepts data relating to a trade from both the trader and counter party. The data includes different data fields of differing importance. The system includes a matching engine which compares the submitted data and assigns the trade a status depending on which of the data fields match. The system allows a user to filter trades on their status and display the details relating to that trade. The system also allows a user to display the data fields and change the data fields in order to change the status of the trades. The system thus allows a user to electronically confirm a trade and also identify unmatched trades and the information necessary to reconcile such unmatched trades.
Ground fault immune sensor power supply for downhole sensors
A ground fault immune power and data delivery system for downhole sensors is connected to a downhole motor via a three-phase power cable. An AC power supply and sensor data module are electrically connected to one of two conductors (phases) at a time selected from the three conductors (phases) to provide power and data signals to the downhole sensors. If a ground fault is detected on one of the two connected phases, an isolation module isolates the grounded phase and switches to the ungrounded connected phase to continue transmitting power and data signals. A frequency of AC power supply, data communication frequencies and a switching frequency of a drive controlling the downhole motor are orthogonal to each other in order to mitigate interference. Surface-to-downhole communication can occur by adjusting voltage, frequency and/or phase of AC power supply controlled by a processor.
Wire overmold device and method of forming wire overmold device
A wire overmold device including a carrier body having a distal end and a proximal end, a wire cap configured to engage the distal end of the carrier body, at least one of a jacketed cable and one or more wires at least partially enclosed between the wire cap and the carrier body, and an overmold formed over the proximal end of the carrier body and at least portions of the wire cap and the distal end of the carrier body, wherein the wire cap and the distal end of the carrier body protrude from the overmold.
Power cable, power cable system, method of grounding power cable system and method of constructing power cable system
A power cable includes a conductor; an insulator; an inner shield layer; an inner corrosion-proof layer; an outer shield layer; and an outer corrosion-proof layer, provided from center toward outside, wherein only the inner shield layer among the inner shield layer and the outer shield layer is directly grounded at one end of the power cable in an axial direction, and wherein only the outer shield layer among the inner shield layer and the outer shield layer is directly grounded at the other end of the power cable in the axial direction.
Attachment device for a cable
Device for attaching a cable to a structure using an implement that includes a first body segment having a first end, a second end, and an inner wall, and defines a recess extending from the first end to the second end. The implement is receivable within the recess from the first end and permitted to extend beyond the second end to attach the device to the structure. A second body segment is coupled to the first body segment by a joining member, the second body segment having a first end, a second end, an inner wall, and defining a second body channel adapted to receive the cable. The inner wall of the first body segment, the inner wall of the second body segment, and the joining member define a first channel adapted to receive the cable.
Waterfall-type cable router
A waterfall-type cable router for routing cables out of cable trays includes a curved ramp having a front portion and a rear portion, a vertical left curved wall transitioning into the curved ramp and extending the length of the left side of the curved ramp, and a vertical right curved wall transitioning into the curved ramp and extending the length of the right side of the curved ramp. The rear portion of the curved ramp curves outwardly such that a distal end of the rear portion may be wider than a distal end of the front portion of the curved ramp.
Wedge of a transition for cables etc
The disclosure concerns a compression unit, in the form of wedge, of a transition for cables, pipes or wires. The wedge is to be placed inside a frame together with a number of compressible modules, which modules are to receive cables etc. The wedge comprises a number of wedge elements. The wedge is moved between non activated and activated positions by means of a screw, received in a through opening of a first wedge element, and a sleeve, received in an opening of a second wedge element. The wedge further comprises at least one clip, of an electrically conductive material, placed inside the wedge. The at least one clip is placed to connect the screw with the frame to connect the screw to earth.
Weather resistant power outlets
There is provided a weather resistant power outlet (GPO) of the type including a double socket assembly having rocker switches and female prong contacts and supported on the back of a mounting plate having respective insulative prong apertures. A space exists between the mounting plate at the prong apertures and the female prong contacts, providing a safety gap between the apertures and the contacts. An elastomeric body is located in the space and compressed against the mounting plate by the socket assembly. The elastomeric body has prong-passing slits allowing passage of prongs of an electrical male plug passing through the prong apertures to electrically engage the female prong contacts, the openings being self-sealing on withdrawal of the prongs under the resilient bias of the elastomeric body. The GPO is rendered weatherproof without increasing the mounting plate to female contacts distance.
High voltage connector
A high voltage connector for establishing a high voltage connection between two high voltage lines is disclosed, with the high voltage connector including a carrier element with a first guiding groove and a second guiding groove, wherein the carrier element includes a high voltage insulating material, wherein the first guiding groove and the second guiding groove are arranged parallel to one another and extend in the longitudinal direction of the carrier element, and wherein each of the first guiding groove and the second guiding groove is designed for accommodating a wire of each of a first high voltage line and a second high voltage line. In this way, a high voltage connection can be established which is insensitive to electrical interference, as well as mechanically stable and resistive, and also works at critical pressure.
Electrical connection box
An electrical connection box includes: a casing that has an opening portion open upwardly, a recessed portion recessed downwardly from an upper edge portion of a side wall; and a slidable cover configured to close the recessed portion. A first thin portion is formed at a side edge portion of the recessed portion of the casing. A second thin portion is formed on the slidable cover. The first thin portion and the second thin portion overlap each other when the slidable cover is fitted into the recessed portion. The first thin portion is includes a chamfered portion where a boundary between an opening edge portion of the first thin portion and the side edge portion is chamfered. A contact portion is configured to be brought into contact with the chamfered portion.
Snap-in electrical connector
A connector assembly including a connector body with a spring clip including a first free end for engaging a side wall of an electrical box upon installation. During insertion of the connector body the first free end engages the knock-out hole perimeter and deforms so as to permit further insertion. Once the connector body is fully inserted, the spring clip cooperates with a lug on the connector body to hold the connector assembly onto the electrical box. Clamp mechanisms are provided to securing the connector assembly to a cable end.
A cooling device for cooling a cable assembly, containing an outer pipe, which is designed to accommodate the cable assembly in such a way that an intermediate space for accommodating a cooling water layer remains between the outer pipe and the cable assembly, a connecting element for creating a water-tight connection between the outer pipe and the cable assembly, and a pressure controller for controlling the water pressure in the cooling water layer, is provided. A cable device is also provided, including an electric cable assembly, and a cooling device. A wind farm is also provided, including a number of cable assemblies for transmitting electrical power from wind turbines and including a number of cooling devices for cooling the cable assemblies A method for providing a cooling device for a cable assembly is further provided.
Integrated laser with back-reflection isolator
An integrated circuit includes an optical source (such as a laser) with a lens, which is disposed on an isolator. This isolator is disposed on a semiconductor layer in a silicon-on-insulator (SOI) platform that includes an optical coupler and an optical waveguide. During operation, the optical source generates an optical signal that propagates toward the isolator so that the lens focuses the optical signal. Furthermore, the isolator reduces or eliminates back reflection of the optical signal toward the optical source, and the optical coupler couples the optical signal into the optical waveguide.
Semiconductor laser device
A semiconductor laser device includes: a semiconductor laser including a plurality of emission regions into which currents are injected to emit laser beams and first and second major surfaces opposite to each other; and a plurality of first wires bonded to the first major surface of the semiconductor laser, wherein the first major surface of the semiconductor laser has a first stripe region corresponding to one of the plurality of emission regions, and a second stripe region corresponding to another of the plurality of emission regions, and the number of the first wires bonded to the first stripe region is larger than the number of the first wires bonded to the second stripe region.
High-power laser diode packaging method and laser diode module
A multi-layer laser diode mount is configured with a submount made from thermo- and electro-conductive material. One of the opposite surfaces of the submount supports a laser diode. The other surface of the submount faces and is spaced from a heatsink. The submount and heatsink are configured with respective thermal expansion coefficients (“TEC”) which are different from one another. The opposite surfaces of the submount are electroplated with respective metal layers one of which is bonded to a soft solder layer.In one aspect of the disclosure, the mount is further configured with a spacer having the same TEC as that of the submount and bonded to the soft solder layer. A layer of hard solder bonds the spacer and heatsink to one another.In a further aspect of the disclosure, the electroplated metal layer in contact with the other surface of the submount is hundred- or more micron thick. The soft solder is directly bonded to the heatsink.In both aspects of the disclosure, a temperature of a p-n junction of the laser diode remains substantially constant within a 0 to 2° C. temperature range through a predetermined amount of several hundred of repeated thermo-cycles which is indicative of uncompromised integrity of the soft solder.
Laser device, ignition system, and internal combustion engine
A laser device is provided including a surface emitting laser array configured to emit light, an optical system disposed in an optical path of light that is emitted from the surface emitting laser, a laser resonator which the light passed through the optical system enters, where the optical system includes a first optical element configured to collimate the light emitted from the surface emitting laser, and a second optical element configured to collect and condense the light collimated by the first optical element.
Reflection/absorption coating for metallurgical bonding to a laser gain medium
An active optical planar waveguide apparatus includes a planar core layer comprising an active laser ion; one or more cladding layers in optical contact with at least one surface of the planar core layer; a metallic binder layer chemically bonded to an outermost cladding layer of the one or more cladding layers; a metallic adhesion layers disposed on the metallic binder layer; a heatsink for dissipating heat from the planar waveguide; and a metallic thermal interface material (TIM) layer providing a metallurgical bond between the metallic adhesion layer and the heatsink.
Optical-power monitoring device, fiber laser, and optical-power monitoring method having different regions of a second fiber covered by a low-refractive-index resin layer and a high-refractive-index resin layer
The light power monitoring device includes: a first optical fiber; a second optical fiber connected to the first optical fiber; a low-refractive-index resin layer which covers (i) a connection between the first and the second optical fibers and (ii) a predetermined region of the second optical fiber which region extends from the connection toward a forward-propagating-light-output side; a high-refractive-index resin layer which covers a region of the second optical fiber which region is not covered by the low-refractive-index resin layer; and an outputted light detecting device which is provided at a position corresponding to an end of the low-refractive-index resin layer which end is located on the forward-propagating-light-output side of the second optical fiber or at a position which is away toward the forward-propagating-light-output side of the second optical fiber from the position corresponding to the end of the low-refractive-index resin layer.
Electrical connector having male and female connectors
An electrical connector includes a female connector removably connectable with a male connector. The female connector includes an outer ring shield, and first and second ring insulator. The first ring insulator is spaced inwardly of the outer ring shield to define a first recess with a first female electrical contact provided in the first recess. The second ring insulator is spaced inwardly of the first ring insulator to define a second recess with a second female electrical contact provided in the second recess. The male connector includes first and second. When the male and female connectors are electrically connected, the first and second male electrical contacts are received in the first and second recesses respectively.
Pluggable module having cooling channel
A pluggable module includes a pluggable body having a top and channel walls extending above the top defining a cooling channel along the top. The cooling channel allows airflow between a front end and a mating end of the pluggable body. The pluggable module includes a communication circuit board held in the pluggable body. The pluggable module includes an EMI shield coupled to the pluggable body above the top. The EMI shield has a shield plate spanning the cooling channel. The shield plate is metal and provides electrical shielding across the cooling channel. The shield plate has openings allowing airflow therethrough to flow through the cooling channel.
Electrical connector assembly having connector bodies and removable caps
An electrical connector assembly is described. The electrical connector assembly includes a first connector body, a second connector body, a first removable cap, and a second removable cap. The first connector body has a first connector end, a first cap end, and first and second electrodes that protrude from the first cap end. The second connector body has a second connector end, a second cap end, and third and fourth electrodes that protrude from the second cap end. The first and second removable caps each have a cavity, formed by an outer wall portion that shields the corresponding electrodes, and an interior wall portion that shields at least a portion of the corresponding electrodes. Upon an engagement of the first and second connector bodies, the first connector end abuts the second connector end, the first and third electrodes are electrically connected, and the second and fourth electrodes are electrically connected.
Arc discharge prevention mechanism of socket
An arc discharge prevention structure of a socket for preventing continuous occurrence of an arc discharge which can result in a fire, by using a configuration for deflecting an arc to avoid damage to a contact is provided. At least part of a pair of permanent magnets that forms a magnetic field for deflecting an arc in a connection/disconnection area where a plug pin and a socket contact are connected and disconnected is located in an opening surface side of a socket housing in which a plug insertion hole is opened. A magnetic body of the plug is attracted to bias the plug pin to a connection position where the plug pin is hot connected to the socket contact.
Connector with fitting detection member
An engagement member mounted to a first housing allows a movement of a fitting detection member from a complete engagement position to a temporary engagement position without interfering with the fitting detection member and prevents a movement of the fitting detection member in a second direction from the temporary engagement position by interfering with the fitting detection member.
Electrical device and connection arrangement including an electrical device
An electrical device, in particular a switching unit or control unit for a motor vehicle, including a housing, which includes a connection area for electrically contacting the housing with a connecting plug, the connection area including at least one receiving contour, which has a circumferential wall area, for the connecting plug, the wall area encompassing electrical connecting elements, and at least one fixing or locking element being provided in the connection area, which is designed to connect the connecting plug to the housing in the connection area. It is provided that at least one fixing or locking element is situated in each case both inside and outside the wall area.
Connector having first and second housings and a sliding member implementing a connector position assurance function
A connector includes an outer housing, an inner housing to be engaged with the outer housing, and a sliding member. The sliding member includes a first protrusion formed at the leading end part (+Y side) of a first support arm and protruding inwardly (−X-axis direction) that is at a main-arm side, and a second protrusion formed at the leading end part (+Y side) of a second support arm and protruding inwardly (+X-axis direction) that is at the main-arm side.
Mass connection plate for electrical connectors
Systems, devices and methods are described for connecting multiple electrical connectors as a group with corresponding receiving sockets, or connection ports, in a medical device. A multiple electrical connector plate acts as an intermediate connector for quickly engaging or disengaging a group of electrodes with the corresponding device as a single unit. The connection plate includes multiple sections that allow a connector to be snapped securely in place on the connection plate such that the connector does not pull or push free from its snapped in location, resulting in group handling of electrical connectors that is less time consuming, reduces errors and positively impacts the quality of medical care.
Electric wire and terminal connecting construction and fabrication method thereof
An electric wire and terminal connecting construction has an electric wire having an insulation covering portion where a conductor portion is covered with an insulation material and a conductor exposed portion where the insulation material on an end portion of the electric wire is removed, a terminal including a crimping portion crimped to the conductor exposed portion to thereby be connected to the electric wire, and a seal portion covering the conductor exposed portion exposed from the terminal, wherein the seal portion has an external resin portion forming an outer surface side of the seal portion and made from a thermoplastic resin and an internal resin portion made from a thermoplastic resin of which a fusing point is lower than that of the external resin portion and forming an inner surface side of the seal portion, and is divided so as to be attached to the conductor exposed portion.
Connection unit for a coupling device, in particular a multiple coupling
A coupling device, in particular a multiple coupling (1), connects a first line portion to a second line portion by a first coupling body (3) and second coupling body (5). A connection unit (23, 25) can be inserted into an accommodating opening (41, 42) in each coupling body (3, 5). A plug-in connection between line portions having electric conductors has an electrical connector (63) with plug-shaped and/or socket-shaped contact elements (67, 69). The connection unit (23, 25) is a cartridge with a single-part, sleeve-shaped housing (37) having a through-passage (39) accommodating the connector (63).
Antenna reflector system
A scan range of a steerable antenna is extended using a reflecting surface or surfaces within the scan range. Various implementations may also include lenses, and the reflecting surface, lenses, or both may include meta-materials. The antenna may be steered to interact with the reflecting surface, lenses, or both to reflect the beam in a direction not possible using the antenna alone. The scan range may be extended in azimuth, elevation, or both, and beam pattern, and antenna freespace impedance may be controlled.
Antenna control method and antenna control system
An object of the present invention is to provide an antenna control system and a method capable of consistently maintaining an optimum orientation point between a donor antenna and an adjacent base station. The antenna control system for receiving a signal from a base station includes a donor antenna including an antenna module disposed by being fixed to an inner side of a window glass and configured with an array antenna; a phase shifter including a plurality of transmission lines; and a phase controller configured to control the phase shifter to change an orientation direction of the antenna module; and a repeater including a measuring module for measuring a reception signal received by the antenna module; an analyzing module for analyzing a signal quality parameter in each orientation direction of the antenna module based on a measurement result of the measuring module; and a generating module for generating an antenna control signal for controlling the orientation direction of the antenna module based on an analysis result of the analyzing module.
Slot array antenna with dielectric slab for electrical control of beam down-tilt
A slot array antenna includes a waveguide slot body and a dielectric slab. The waveguide body includes one or more walls that define a waveguide aperture, the waveguide aperture extending along a longitudinal axis of the waveguide slot body. The waveguide slot body includes a plurality of slots disposed on one or more walls of the waveguide slot body. The dielectric slab is disposed within the waveguide aperture and extends along the longitudinal axis of the waveguide slot body. The dielectric slab is rotatable about the longitudinal axis within the waveguide aperture.
In a semiconductor device in which a copper plating layer is used for a conductor of an antenna and in which an integrated circuit and the antenna are formed over the same substrate, an object is to prevent an adverse effect on electrical characteristics of a circuit element due to diffusion of copper, as well as to provide a copper plating layer with favorable adhesiveness. Another object is to prevent a defect in the semiconductor device that stems from poor connection between the antenna and the integrated circuit, in the semiconductor device in which the integrated circuit and the antenna are formed over the same substrate. In the semiconductor device, a copper plating layer is used for the antenna, an alloy of Ag, Pd, and Cu is used for a seed layer thereof, and TiN or Ti is used for a barrier layer.
Antenna solution for narrow bezel system
Systems and methods are disclosed for positioning an antenna in a portable information handling system. A portable information handling system includes a housing having a first housing portion and a second housing portion. The portable information handling system also includes a hinge assembly rotationally coupling the first and second housing portions. The portable information handling system also includes an antenna disposed within the first housing portion, the antenna operable to transmit radio waves. The portable information handling system further includes an antenna aperture formed within the first housing portion. The second housing portion comprises a radio frequency (RF) permeable region comprising RF permeable material, the RF permeable region located in proximity to the antenna aperture when the portable information handling system is in tablet mode, tablet mode representing the first housing portion rotated approximately 360 degrees from the second housing portion.
THz photomixer emitter and method
A THz photomixer emitter is disclosed. The emitter comprises a photoconductive material, an antenna structure, and an electrode array. The electrode array is disposed such that an electric field associated with photocarriers generated in the photoconductive material is coupled to the antenna for emission of a THz wave via the antenna structure. The electrode array is configured such that an electric field resonance pattern of the electrode array is substantially aligned with an emission field pattern of the antenna structure.
Impedance matching in very high dielectric constant isolator/circulator junctions
Disclosed are embodiments of isolator/circulator junctions that can be used for radio-frequency (RF) applications, and methods of manufacturing the junctions. The junctions can have excellent impedance matching, even as they are being miniaturized, providing significant advantages over previously used junctions. The junctions can be formed of both high and low dielectric constant material.
Standing wave damping on a waveguide carrying a signal
A device for damping a standing wave on a waveguide carrying a signal is provided. The device includes at least one pair of an impedance-up-transforming and an impedance-down-transforming Boucherot bridge is connected into the waveguide. The two Boucherot bridges bring about locally increased impedances and inductance values, with the result that a significantly improved standing wave suppression or damping is obtained. The down-transforming Boucherot bridge is connected directly behind the up-transforming bridge, with the result that down-transformation to the original impedance of the waveguide again can be carried out and a signal reflection can thus be avoided.
Method and system for controlling power battery
A method for controlling a power battery is provided. The method includes: detecting a maximum temperature and a minimum temperature of the plurality of single cells, a plurality of first temperatures of positive electrodes and/or a plurality of second temperatures of negative electrodes, and a plurality of third temperatures of cores; determining whether the plurality of first temperatures and/or the plurality of second temperatures are within a first temperature range; determining whether the plurality of third temperatures are within a second temperature range; managing the power battery; and determining that a connection failure occurs in the power battery if one of the plurality of first temperatures and/or one of the plurality of second temperatures is not within the first temperature range; and determining a core related failure if the third temperature of a first single cell is not within the second temperature range. Further, a system for controlling a power battery is provided.
Lithium secondary battery
The present invention relates to a lithium secondary battery, comprising a positive electrode; a negative electrode; and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution contains a phosphate polymer represented by the following formula (1): wherein R1 to R5 each independently represents aliphatic hydrocarbon group or fluorinated aliphatic hydrocarbon group, wherein the group may have a substituent, and n represents an integer of 1 or more, with the proviso that when n is 2 or more, two or more R1(s) may be the same as, or different from each other and two or more R4(s) may be the same as, or different from each other; and a fluorinated phosphate represented by the following formula (2): wherein R6 to R8 each independently represents aliphatic hydrocarbon group or fluorinated aliphatic hydrocarbon group, wherein the group may have a substituent, with the proviso that at least one of R6 to R8 is fluorinated aliphatic hydrocarbon group.
Li/metal cell with structured surface separator
An electrochemical cell in one embodiment includes an anode including a form of lithium, a cathode including an active material which intercalates lithium, and a separator positioned between the anode and the cathode, the separator including a first structured surface portion positioned in opposition to the anode, the first structured surface portion having a non-planar profile in aggregate.
Fuel cell and fuel cell stack
A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors (12, 13), respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with the connector (13), cell contact portions (19b) in contact with the electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between the connector contact portions (19a) and cell contact portion (19b). An end of the spacer (58) located opposite the connection portions (19c) recedes from the ends of the cell contact portions (19b) located opposite the connection portions (19c) and from the ends of the connector contact portions (19a) located opposite the connection portions (19c).
Fuel cell module and fuel cell stack
A fuel cell module includes a first fuel cell layer and second fuel cell layer. Each fuel cell layer includes a plurality of membrane electrode assemblies arranged in a planar shape. Each membrane electrode assembly includes an electrolyte membrane, an anode disposed on one surface of the electrolyte membrane, and a cathode disposed on the other surface of the electrolyte membrane. Each fuel cell layer also includes interconnectors each of which electrically connects the anode of one of adjacent membrane electrode assemblies to the cathode of the other. The first fuel cell layer and second fuel cell layer are arranged so that one polarity of each membrane electrode assembly of the first fuel cell layer is opposed to the same polarity of each membrane electrode assembly of the second fuel cell layer.
Fuel cell and fuel cell stack
A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors, respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with connector (13), cell contact portions (19b) in contact with electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between connector contact portions (19a) and cell contact portion (19b). An end of the spacer (58) located opposite the connection portions (19c) protrudes from at least the ends of the cell contact portions (19b) located opposite the connection portions (19c) or the ends of the connector contact portions (19a) located opposite the connection portions (19c).
Synthesis of hetero ionic compounds using dialkylcarbonate quaternization
Methods of preparing hetero ionic complexes, and ionic liquids from bisulfate salts of heteroatomic compounds using dialkylcarbonates as a primary quaternizing reactant are disclosed. Also disclosed are methods of making electrochemical cells comprising the ionic liquids, and an electrochemical cell comprising an alkaline electrolyte and a hetero ionic complex additive.
Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode
Provided is a Ni—Fe battery comprising an iron electrode which is preconditioned prior to any charge-discharge cycle. The preconditioned iron electrode used in the Ni—Fe battery is prepared by first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant to thereby create an oxidized surface.
Method for manufacturing an electrode for an electrochemical energy store and electrochemical energy store
The invention relates to a method for manufacturing an electrode for an electrochemical energy store, including the following steps: a) providing a base body; b) applying an active material matrix to the base body, the active material matrix including at least one binding agent, if necessary, an active material (1), and a pore forming agent (3), the pore forming agent (3) being soluble in a solvent, in which additional components of the active material matrix are insoluble or are soluble only under certain conditions; c) if necessary, drying the active material matrix; d) rinsing out the pore forming agent (3) by treating the active material matrix with the solvent and e) if necessary, introducing an active material into the produced pores of the active material matrix. Using such a method, a high cycle stability of the electrode may be implemented in a particularly simple and cost-effective way. The invention also relates to a method for manufacturing an electrochemical energy store. The invention further relates to an electrode for an electrochemical energy store and to an electrochemical energy store, such as, in particular, a lithium-ion battery.
Battery parts having retaining and sealing features and associated methods of manufacture and use
Battery parts having retaining and sealing features and associated assemblies and methods are disclosed herein. In one embodiment, a battery part includes a base portion that is configured to be embedded in battery container material of a corresponding battery container. The battery part and base portion include several torque resisting features and gripping features that resist torsional or twist loads that are applied to the battery part after it has been joined to the battery container. For example, the base portion can include several internal and external torque resisting features and gripping features that are configured to resist twisting or loosening of the battery part with reference to the battery container material, as well as prevent or inhibit fluid leakage from the battery container.
Battery separators with cross ribs and related methods
A separator for a lead acid battery is a porous membrane having a positive electrode face and a negative electrode face. A plurality of longitudinally extending ribs, a plurality of protrusions or a nonwoven material may be disposed upon the positive electrode face. A plurality of transversely extending ribs are disposed upon the negative electrode face. The transverse ribs disposed upon the negative electrode face are preferably juxtaposed to a negative electrode of the lead acid battery, when the separator is placed within that battery.
Display device and electronic apparatus with antireflection function
A display device includes: light emitting units; a light absorbing unit that surrounds each of the light emitting units; and a low-reflection layer provided on the surfaces of the light emitting units and the surface of the light absorbing unit. The surface of the light absorbing unit is a corrugated surface that diffuses light, and the low-reflection layer is formed along the corrugated surface.
Organic light emitting diode display
An organic light emitting diode display includes: a substrate; a gate line on the substrate; a data line crossing the gate line; a driving voltage line extending parallel with at least one of the gate line and the data line; a first thin film transistor coupled to the gate line and the data line and comprising a first semiconductor layer; a second thin film transistor coupled to the first thin film transistor and the driving voltage line and comprising a second semiconductor layer; and an organic light emitting element coupled to the second thin film transistor, wherein at least one of the gate line, the data line, and the driving voltage line comprise a plurality of layers, and the lowest layer of the plurality of layers comprises a first metal layer made of a reflective metal.
Organic light-emitting device, light source device using same, organic light-emitting layer material, coating liquid for forming organic light-emitting layer, and method for producing organic light-emitting device
An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between these electrodes. The organic layer is a laminate of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer includes a host and a first dopant. The hole transport layer includes a hole transporting material, and the electron transport layer includes an electron transporting material. The hole transporting material and the electron transporting material have functional groups. The first dopant in the light-emitting layer has a functional group, and is concentrated on the side of the light-emitting layer in contact with the hole transport layer or the electron transport layer.
Fabrication method of electroluminescence display device with protective layer
Embodiments of the disclosure disclose an electroluminescence display device and a fabrication method thereof. The device comprises a color filter substrate. The color filter substrate comprises: a first substrate, and a first electrode, an organic electroluminescence layer and a second electrode sequentially provided on the first substrate. The color filter substrate further comprises: a first protective layer, provided on the second electrode and covering the second electrode and the organic electroluminescence layer below the second electrode; and a first connection electrode, provided on the first protective layer and connected to the second electrode.
Photoelectric conversion element and method for manufacturing the same
According to one embodiment, a photoelectric conversion element includes a first electrode, a second electrode, a photoelectric conversion layer, and a first layer. The second electrode includes a base member and a first material portion. The base member includes a plurality of structure bodies including carbon. The first material portion includes a carrier transport material and is provided between the structure bodies. The photoelectric conversion layer is provided between the first electrode and the second electrode. The photoelectric conversion layer includes a material having a perovskite structure. The first layer is provided between the photoelectric conversion layer and the second electrode. The first layer includes the carrier transport material.
Thin film device with protective layer
Embodiments of the invention include a method for fabricating a semiconductor device and the resulting structure. A substrate is provided. A plurality of metal portions are formed on the substrate, wherein the plurality of metal portions are arranged such that areas of the substrate remain exposed. A thin film layer is deposited on the plurality of metal portions and the exposed areas of the substrate. A dielectric layer is deposited, wherein the dielectric layer is in contact with portions of the thin film layer on the plurality of metal portions, and wherein the dielectric layer is not in contact with portions of the thin film layer on the exposed areas of the substrate such that one or more enclosed spaces are present between the thin film layer on the exposed areas of the substrate and the dielectric layer.
Flexible substrate and method of manufacturing thereof and flexible display device having the flexible substrate
In an aspect, a flexible substrate may include a base substrate, an insulating layer positioned on a first surface of the base substrate, a protective film positioned on a second surface facing the first surface of the base substrate and an adhesive layer positioned between the base substrate and the protective film and attaching the protective film on the second surface of the base substrate. The adhesive layer may include a cross-linker.
Flexible display device
A plurality of panels include: a display panel; and a protective panel that is disposed outside the display panel, and includes a transparent substrate and an outer hard coating layer and an inner hard coating layer that are respectively formed on an outer surface and an inner surface of the transparent substrate, and each have a hardness greater than a hardness of the transparent substrate. A thickness of the outer hard coating layer is greater than a thickness of the inner hard coating layer, and a stress neutral surface of the flexible display device is configured so that a compressive stress is applied to the inner hard coating layer when the flexible display device is bent.
Organic electroluminescent materials and devices
A luminescent compound that is a metal complex with ligands containing pyrrole or indole in the structure, where the pyrrole or indole has an aromatic substituent that has at least one ortho substitution is disclosed.
Depositing method of deposition material using laser beams as mask
A deposition apparatus includes a vacuum chamber, a substrate disposed in the vacuum chamber, a deposition source disposed in the vacuum chamber and facing the substrate to provide a deposition material onto the substrate, a laser oscillator generating a first laser beam, and an optical unit connected to a first side of the vacuum chamber and splitting the first laser beam to generate a plurality of mask laser beams. The mask laser beams are irradiated into the vacuum chamber to be disposed between the substrate and the deposition source. The deposition material making contact with the mask laser beams is oxidized, and the deposition material passing through the mask laser beams is deposited on the substrate.
Memory cells and methods of fabrication
Memory cells are disclosed, which cells include a cell material and an ion-source material over the cell material. A discontinuous interfacial material is included between the cell material and the ion-source material. Also disclosed are fabrication methods and semiconductor devices including the disclosed memory cells.
Hall effect device
A hall effect device includes an active Hall region in a semiconductor substrate, and at least four terminal structures, each terminal structure including a switchable supply contact element and a sense contact element, wherein each supply contact element includes a transistor element with a first transistor terminal, a second transistor terminal, and a control terminal, wherein the second transistor terminal contacts the active Hall region or extends in the active Hall region; and wherein the sense contact elements are arranged in the active Hall region and neighboring to the switchable supply contact elements.
LED chip packaging with high performance thermal dissipation
An LED package and method of manufacture. An embodiment of the LED package includes a metal base having a cavity, a flexible circuit on the base, a dielectric layer in the cavity, and an LED chip having a bottom side facing the base and electrically coupled to the flexible circuit. The LED chip is powered by current flowing through the flexible circuit, and heat generated by the LED chip is conducted to the base through the flexible circuit and the dielectric layer.
Light emitting device and method for manufacturing the same
Provided is a light emitting device that includes a plurality of light-emitting elements, a fluorescent layer that is disposed on or above the plurality of light-emitting elements, and light blocking layers that are disposed in the fluorescent layer, two of the light blocking layers being disposed, when an adjacent two of the plurality of light-emitting elements are seen, at positions each of which is closer than the center of a region between the two light-emitting elements to the center of one of the two light-emitting elements while the center of the region between the two light-emitting elements functions as a reference.
Multistep deposition of zinc oxide on gallium nitride
A method for fabricating a Zinc Oxide (ZnO) conductive film on a semiconductor material, including depositing a doped ZnO seed layer on a diode, wherein the ZnO seed layer forms an electrical contact to the diode; and depositing a ZnO layer on the ZnO seed layer, wherein the ZnO seed layer and the ZnO layer each have a thickness, a crystal quality, and a doping level such that (1) the diode comprising III-nitride material is turned on with a turn on voltage of 2.75 volts or less applied across the ZnO layers and the diode, and (2) a contact resistance, of a structure comprising the ZnO layers and the diode, is lower as compared to a contact resistance of a structure comprising the ZnO layer directly on the diode without the ZnO seed layer.
Semiconductor light emitting device with light extraction structures
Structures are incorporated into a semiconductor light emitting device which may increase the extraction of light emitted at glancing incidence angles. In some embodiments, the device includes a low index material that directs light away from the metal contacts by total internal reflection. In some embodiments, the device includes extraction features such as cavities in the semiconductor structure which may extract glancing angle light directly, or direct the glancing angle light into smaller incidence angles which are more easily extracted from the device.
Near-infrared light emitting device using semiconductor nanocrystals
A near-infrared light emitting device can include semiconductor nanocrystals that emit at wavelengths beyond 1 μm. The semiconductor nanocrystals can include a core and an overcoating on a surface of the core.
Plasmonic light emitting diode
A light emitting diode includes a square quantum well structure, the quantum well structure including III-V materials. A dielectric layer is formed on the quantum well structure. A plasmonic metal is formed on the dielectric layer and is configured to excite surface plasmons in a waveguide mode that is independent of light wavelength generated by the quantum well structure to generate light.
Method for manufacturing a semiconductor device
The performances of a semiconductor device are improved. A method for manufacturing a semiconductor device includes the steps of: providing a semiconductor substrate having a gettering layer formed by ion implanting a cluster, and an epitaxial layer; subjecting the semiconductor substrate to a heat treatment at 800° C. or more, and thereby forming a hydrogen adsorption site; forming an element isolation film at the semiconductor substrate, to be performed thereafter; implanting an impurity for forming a first semiconductor region in the semiconductor substrate; implanting an impurity for forming a second semiconductor region; and performing a heat treatment for a photodiode, to be performed thereafter.
Methods for manufacturing photoelectrosynthetically active heterostructures
A photoelectrosynthetically active heterostructure (PAH) is manufactured by forming or providing cavities in an electrically insulating material; forming or providing an electrically conductive layer on a side of the electrically insulating material; depositing an electrocatalyst cathode layer in the cavities; depositing one or more layers of light-absorbing semiconductor material in the cavities; depositing an electrocatalyst anode layer in the cavities; removing the layer of electrically conductive metal; and forming a hydrogen permeable layer over the electrocatalyst cathode layer. The one or more layers of light-absorbing semiconductor material can form a p-n junction or Schottky junction. The PAH can be used in photoelectrosynthetic processes to produce desired products, such as reduction product (e.g., methane gas, methanol, or carbon monoxide) from carbon dioxide and liquid waste streams.
Electrical connectors of building integrable photovoltaic modules
Provided are novel building integrable photovoltaic (BIP) modules and methods of fabricating thereof. A module may be fabricated from an insert having one or more photovoltaic cells by electrically interconnecting and mechanically integrating one or more connectors with the insert. Each connector may have one or more conductive elements, such as metal sockets and/or pins. At least two of all conductive elements are electrically connected to the photovoltaic cells using, for example, bus bars. These and other electrical components are electrically insulated using a temperature resistant material having a Relative Temperature Index (RTI) of at least about 115° C. The insulation may be provided before or during module fabrication by, for example, providing a prefabricated insulating housing and/or injection molding the temperature resistant material. The temperature resistant material and/or other materials may be used for mechanical integration of the one or more connectors with the insert.
Shingled array solar cells and method of manufacturing solar modules including the same
A solar cell is provided including a substrate having a front and back side, a metallization pattern deposited on the front side, the metallization pattern including a plurality of front side bus bars each including fingers extending therefrom, and a plurality of back side bus bars deposited on the back side. On the front side, one front side bus bar is formed along an edge of the front side of the substrate, and a remainder of the front side bus bars are unequally spaced across the substrate. On the back side of the substrate, only one back side bus bar is formed along an edge of the back side of the substrate, and a remainder of the back side bus bars are unequally spaced across the substrate.
Photoelectric conversion device
It is an object of the present invention to improve photoelectric conversion efficiency in a photoelectric conversion device. The photoelectric conversion device 11 according to the present invention uses a polycrystalline semiconductor layer including a plurality of semiconductor particles 3a coupled together as a light-absorbing layer 3, each of the semiconductor particles 3a including a group I-III-VI compound, each of the semiconductor particles 3a having a higher composition ratio PI of a group I-B element to a group III-B element in a surface portion thereof than that in a central portion thereof.
Wafer for solar cell, method of producing wafer for solar cell, method of producing solar cell, and method of producing solar cell module
Provided is a wafer for solar cell which can be produced using a polycrystalline semiconductor wafer cut out using a bonded abrasive wire, which wafer can be used for manufacturing a solar cell with high conversion efficiency.In a wafer for solar cell before acid texturing of the present invention, produced from a polycrystalline semiconductor wafer cut out using a bonded abrasive wire, an amorphous layer does not exist, and irregularities caused due to the cutting using the bonded abrasive wire are left in at least one surface of the wafer for solar cell.
Transparent conductive electrode for three dimensional photovoltaic device
A photovoltaic device includes a substrate layer having a plurality of three-dimensional structures formed therein providing a textured profile. A first electrode is formed over the substrate layer and extends over the three-dimensional structures including non-planar surfaces. The first electrode has a thickness configured to maintain the textured profile, and the first electrode includes a transparent conductive material having a dopant metal activated within the transparent conductive material. A continuous photovoltaic stack is conformally formed over the first electrode, and a second electrode is formed on the photovoltaic stack.
Liftoff process for exfoliation of thin film photovoltaic devices and back contact formation
A method for forming a back contact on an absorber layer in a photovoltaic device includes forming a two dimensional material on a first substrate. An absorber layer including Cu—Zn—Sn—S(Se) (CZTSSe) is grown over the first substrate on the two dimensional material. A buffer layer is grown on the absorber layer on a side opposite the two dimensional material. The absorber layer is exfoliated from the two dimensional material to remove the first substrate from a backside of the absorber layer opposite the buffer layer. A back contact is deposited on the absorber layer.
Wire-based metallization for solar cells
Approaches for fabricating wire-based metallization for solar cells, and the resulting solar cells, are described. In an example, a solar cell includes a substrate having a back surface and an opposing light-receiving surface. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the back surface of the substrate. A conductive contact structure is disposed on the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of metal wires. Each metal wire of the plurality of metal wires is parallel along a first direction to form a one-dimensional layout of a metallization layer for the solar cell.
Solar cell and method for manufacturing the same
A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a first conductive type substrate, an emitter layer of a second conductive type opposite the first conductive type, the emitter layer and the substrate forming a p-n junction, a plurality of first electrodes electrically connected to the emitter layer, and a second electrode electrically connected to the substrate. At least one of the plurality of first electrodes includes a first electrode layer, a plurality of first electrode auxiliaries separated from the first electrode layer, and a second electrode layer positioned on an upper surface and a lateral surface of the first electrode layer and on an upper surface and a lateral surface of each of the plurality of first electrode auxiliaries.
Microelectronics package with integrated sensors
The present disclosure relates to a microelectronics package with optical sensors and/or thermal sensors. The disclosed microelectronics package includes a module substrate, a thinned flip-chip die with an upper surface that includes a first surface portion and a second surface portion surrounding the first surface portion, and a first mold compound component. The thinned flip-chip die is attached to the module substrate and includes a device layer with sensor structure integrated at a top portion of the device layer. Herein, the sensor structure is below the first surface portion and not below the second surface portion. The first mold compound component is formed over the second surface portion to define a first cavity over the upper surface of the thinned flip-chip die. The first mold compound component is not over the first surface portion, and the first surface portion is exposed at the bottom of the first cavity.
Packaged overvoltage protection circuit for triggering thyristors
In a first embodiment, an ultra-fast breakover diode has a turn on time TON that is less than 0.3 microseconds, where the forward breakover voltage is greater than +400 volts and varies less than one percent per ten degrees Celsius change. In a second embodiment, a breakover diode has a reverse breakdown voltage that is greater, in absolute magnitude, than the forward breakover voltage, where the forward breakover voltage is greater than +400 volts. In a third embodiment, a string of series-connected breakover diode dice is provided, along with a resistor string, in a packaged circuit. The packaged circuit acts like a single breakover diode having a large forward breakover voltage and a comparably large reverse breakdown voltage, even though the packaged circuit includes no discrete high voltage reverse breakdown diode. The packaged circuit is usable to supply a triggering current to a thyristor in a voltage protection circuit.
Internal spacers for nanowire transistors and method of fabrication thereof
A nanowire transistor of the present description may be produced with internal spacers formed by using sacrificial spacers during the fabrication thereof. Once the nanowire transistor is formed, the sacrificial spacers, which are position between the transistor gate and the source and drains (respectively), may be removed. The sacrificial material between channel nanowires of the nanowire transistor may then be removed and a dielectric material may be deposited to fill the spaces between the channel nanowires. The dielectric material not between the channel nanowires may be removed to form the internal spacers. External spacers, which are position between the transistor gate and the source and drains (respectively), may then be formed adjacent the internal spacers and transistor channel nanowires.
Annealed metal source drain overlapping the gate of a fin field effect transistor
A method of forming a field effect transistor is provided. The method of forming a field effect transistor may include forming a dummy gate perpendicular to and covering a channel region of a semiconductor fin, such that a source drain region of the semiconductor fin remains uncovered, depositing a metal layer above and in direct contact with a sidewall of the dummy gate, and above and in direct contact with a top and a sidewall of the source drain region, and forming a metal silicide source drain in the source drain region by annealing the metal layer and the semiconductor fin, such that the metal silicide source drain overlaps the dummy gate.
Method for inducing strain in vertical semiconductor columns
A vertical Metal-Oxide-Semiconductor (MOS) transistor includes a substrate and a nano-wire over the substrate. The nano-wire comprises a semiconductor material. An oxide ring extends from an outer sidewall of the nano-wire into the nano-wire, with a center portion of the nano-wire encircled by the oxide ring. The vertical MOS transistor further includes a gate dielectric encircling a portion of the nano-wire, a gate electrode encircling the gate dielectric, a first source/drain region underlying the gate electrode, and a second source/drain region overlying the gate electrode. The second source/drain region extends into the center portion of the nano-wire. Localized oxidation produces a local swelling in the structure that generates a tensile or compressive strain in the nano-wire.
Semiconductor devices with low junction capacitances
Semiconductor devices with low junction capacitances and methods of fabrication thereof are described. In one embodiment, a method of forming a semiconductor device includes forming isolation regions in a substrate to form active areas. The sidewalls of the active areas are enclosed by the isolation regions. The isolation regions are recessed to expose first parts of the sidewalls of the active areas. The first parts of the sidewalls of the active areas are covered with spacers. The isolation regions are etched to expose second parts of the sidewalls of the active area, the second parts being disposed below the first parts. The active areas are etched through the exposed second parts of the sidewalls to form lateral openings. The lateral openings are filled with a spin on dielectric.
Semiconductor device and multiple gate field effect transistor
The present invention provides a semiconductor device, which includes a substrate, a first gate electrode, a second gate electrode, a source region and a drain region, wherein the first gate electrode and the second gate electrode are embedded in the substrate respectively; the source region is formed in the substrate, and at least a portion of the source region is disposed between the first gate electrode and the second gate electrode; and the drain region is formed in the substrate, and at least a portion of the drain region is disposed between the first gate electrode and the second gate electrode.
Reduced resistance source and drain extensions in vertical field effect transistors
Semiconductor devices and methods of forming the same include forming semiconductor fins on a semiconductor substrate. A bottom source/drain region is formed in the semiconductor substrate. First charged dielectric spacers are formed on sidewalls of the semiconductor fins. A gate stack is formed over the bottom source/drain region. Second charged dielectric spacers are formed on sidewalls of the fin above the gate stack. The fins are recessed to a height below a top level of the second charged dielectric spacers. A top source/drain region is grown from the recessed fins.
3D semiconductor integrated circuit device and method of manufacturing the same
A 3D semiconductor integrated circuit device and a method of manufacturing the same are provided. An active pillar is formed on a semiconductor substrate, and an interlayer insulating layer is formed so that the active pillar is buried in the interlayer insulating layer. The interlayer insulating layer is etched to form a hole so that the active pillar and a peripheral region of the active pillar are exposed. An etching process is performed on the peripheral region of the active pillar exposed through the hole by a certain depth, and a space having the depth is provided between the active pillar and the interlayer insulating layer. A silicon material layer is formed to be buried in the space having the depth, and an ohmic contact layer is formed on the silicon material layer and the active pillar.
Insulated gate turn-off device with turn-off Schottky-Barrier MOSFET
An insulated gate turn-off (IGTO) device, formed as a die, has a layered structure including a p+ layer (e.g., a substrate), an n− epi layer, a p-well, vertical insulated gate electrodes formed in the p-well, and n+ regions between the gate electrodes, so that vertical npn and pnp transistors are formed. The device is formed of a matrix of cells. To turn the device on, a positive voltage is applied to the gate electrodes, referenced to the cathode. The cells further contain a vertical p-channel MOSFET, for shorting the base of the npn transistor to its emitter, to turn the npn transistor off when the p-channel MOSFET is turned on by a slight negative voltage applied to the gate. The p-channel MOSFET includes a Schottky source formed in the top surface of the npn transistor emitter.
Ambipolar transistor and leakage current cutoff device using the same
Disclosed are an ambipolar transistor and a leakage current cutoff device using the same. The ambipolar transistor includes: a substrate; a gate formed on the substrate; a gate insulating film formed of an SiOC thin film and disposed on the substrate and the gate; and a source portion and a drain portion formed on the gate insulating film and spaced apart from each other, wherein the source portion and the drain portion comprise: a main source terminal and a main drain terminal disposed on the gate insulating film at right and left sides of the gate, respectively; and a plurality of source sub-terminals and a plurality of drain sub-terminals alternately arranged between the main source terminal and the main drain terminal, respectively.
Superlattice lateral bipolar junction transistor
A bipolar junction transistor includes an intrinsic base formed on a substrate. The intrinsic base includes a superlattice stack including a plurality of alternating layers of semiconductor material. A collector and emitter are formed adjacent to the intrinsic base on opposite sides of the base. An extrinsic base structure is formed on the intrinsic base.
Method of fabricating thin film transistor structure
A method of fabricating a thin film transistor structure is described. An oxide semiconductor layer is fabricated by a self-aligned method and a lift-off process, and a source electrode and a drain electrode are fabricated by another lift-off process, so as to solve a problem in the conventional technology, wherein a semiconductor channel is damaged when an etching is performed, and a problem of raising a process cost due to the increasing complexity of the process.
Manufacturing methods of thin film transistor having an ohmic contact region and array substrate including the same
Embodiments of the present invention provide a thin film transistor and a manufacturing method thereof, an array substrate including the thin film transistor, and a manufacturing method of the array substrate. The thin film transistor comprises an active layer, a gate insulation layer, a gate, an interlayer insulation layer, a source and a drain formed on a base substrate, the interlayer insulation layer and the gate insulation layer are provided therein with through holes corresponding to the source and the drain; the active layer comprises a source ohmic contact region connected with the source, a drain ohmic contact region connected with the drain, a channel region serving as a channel located below the gate, and a lightly doped region between the drain ohmic contact region and the channel region.
Sidewall spacer for integration of group III nitride with patterned silicon substrate
After forming a trench extending through a (100) silicon layer and a buried insulator layer and into a (111) silicon layer of a semiconductor-on-insulator (SOI) substrate, and prior to epitaxial growth of a Group III nitride material from a sub-surface of the (111) silicon layer that is exposed by the trench, a first sidewall spacer including a first dielectric material that can effectively prevent Group III elements from diffusing into silicon of the SOI substrate during the high temperature epitaxial growth of the Group III nitride materials is formed on sidewalls of the trench, following by forming a second sidewall spacer on the first sidewall spacer. The second sidewall spacer includes a second dielectric material that provides better growth selectivity towards the Group III nitride material than the first dielectric material, thus facilitating the growth of the Group III nitride material from the sub-surface of the (111) silicon layer.
Structure and formation method of semiconductor device structure
Structures and formation methods of a semiconductor device structure are provided. A method for forming a semiconductor device structure includes patterning a semiconductor substrate to form a fin structure. The method also includes forming a sacrificial material over the fin structure. The method further includes forming spacer elements adjoining sidewalls of the sacrificial material. Furthermore, the method includes removing the sacrificial material so that a trench is formed between the spacer elements. The method also includes forming a gate dielectric layer in the trench. The method further includes forming a work function layer in the trench to cover the gate dielectric layer. In addition, the method includes depositing a tungsten bulk layer with a precursor to fill the trench. The precursor includes a tungsten-containing material that is substantially free of fluoride.
Methods for forming wrap around contact
Some embodiments of the present disclosure relate to a contact formed to a source or drain region of a “finned” field-effect transistor (FinFET). An epitaxial material is formed over the source or drain region, which includes a diamond-shaped cross-section with top and bottom surfaces. A capping layer is formed over the top and bottom surfaces. The source or drain region is subjected to a first etch to remove the capping layer surrounding the top surfaces of the diamond-shaped cross-section. A protective layer is formed within the top surfaces. A second etch of the capping layer is performed to remove the capping layer surrounding the bottom surfaces of the diamond-shaped cross-section, while using the protective layer to prevent etching of the top surfaces by the second etch. A contact is formed to the source or drain region, which surrounds the source or drain region on the top and bottom surfaces.
Electro-optical device, electronic apparatus, and method of driving electro-optical device
A second data transfer line that is coupled to a gate layer of a drive transistor is formed in a layer higher than the gate layer, and a transfer capacitor is formed in a layer higher than a layer having the second data transfer line. A first data transfer line to which a data signal is supplied is formed in a layer higher than a layer having the transfer capacitor.
Display device and method for manufacturing the same
Provided are a display device and a method of manufacturing the same. A display device includes a coplanar thin-film transistor and a capacitor. The coplanar thin-film transistor comprises a gate electrode, an active layer including an oxide semiconductor, a source electrode and a drain electrode. The capacitor comprises a lower electrode, intermediate electrode and upper electrode. And the lower electrode is comprised of the same material as the active layer, and is conductivized. Also, the upper electrode is connected to the lower electrode. By using the conductivized lower electrode, the capacitor is configured to operate as multiple capacitors. Thus, the size of the capacitor is reduced, and sufficient capacitance may be secured with the capacitor with a smaller area. In this way, the area of each sub-pixel in the display device may be reduced, thereby achieving high resolution.
Light-emitting device and display device
A technique of manufacturing a display device with high productivity is provided. In addition, a high-definition display device with high color purity is provided. By adjusting the optical path length between an electrode having a reflective property and a light-emitting layer by the central wavelength of a wavelength range of light passing through a color filter layer, the high-definition display device with high color purity is provided without performing selective deposition of light-emitting layers. In a light-emitting element, a plurality of light-emitting layers emitting light of different colors are stacked. The closer the light-emitting layer is positioned to the electrode having a reflective property, the shorter the wavelength of light emitted from the light-emitting layer is.