An electronic device is provided, comprising a display panel, a frame, wherein the display panel is fixed to the frame; and an elastic cover, wherein the elastic cover covers a first side, opposite to the display panel, of the frame. According to the present invention, the elastic cover is used as one part of the electronic device forming part of the product.
Electronics cooling assembly with multi-position, airflow-blocking mechanism
Electronics cooling assemblies are provided which include an air-cooled heat sink, an auxiliary air-moving device, and an airflow-blocking mechanism. The heat sink couples to one or more heat-generating electronic components, and dissipates heat from the electronic component(s) to a cooling airflow passing across the heat sink. The auxiliary air-moving device provides, when active, an increased flow rate of the cooling airflow across the heat sink. The airflow-blocking mechanism toggles between a passive airflow position and an active airflow position. In the passive airflow position, the airflow-blocking mechanism allows the cooling airflow to exhaust from the heat sink without passing through the air-moving device, and in the active airflow position, the airflow-blocking mechanism allows the cooling airflow to exhaust from the auxiliary air-moving device.
Electronic device and method for manufacturing the electronic device
An air vent is formed in a substrate of an electronic device such that air in a cavity of a metal mold can be released through the air vent when a resin is molded. Solder resist is disposed on a second surface of the substrate and has an opening portion at a position corresponding to the air vent. As such, the air can be also released from a clearance between a lower mold and the solder resist resulting from a rough surface of the solder resist. The resin can be held in a space provided between the second surface of the substrate and the lower mold. Therefore, the resin having passed through the air vent can be restricted from flowing out, and the air vent can be restricted from losing its function due to the substrate and the metal mold closely contacting with each other.
Handle structure and server using the same
A handle structure includes a holding member, a press member, and a hook. The holding member includes a holding portion and a space formed in the holding portion. The press member includes a press portion and a plurality of adjustment holes. The press portion is movably disposed in the space. The adjustment holes are disposed on the other end of the press member opposite to the press portion. The hook includes a clasp portion and at least one fastening hole. The fastening hole is adjustably positioned corresponding to any of the adjustment holes, and the clasp portion is movable along with the movement of the press portion, wherein the clasp portion protrudes out of the holding member. The hook moves by pressing the press portion.
Server capable of accessing and rotating storage devices accommodated therein
A server capable of rotating and accessing storage devices accommodated therein includes a server chassis, a motherboard, a power supply module, two racks, and a system cooling module. The server chassis includes two side plates and an accommodating space between the two side plates. The power supply module is disposed in the accommodating space and arranged corresponding to the motherboard. The racks are arranged parallel to each other and detachably connected to the server chassis. A pivot structure and a handle for operating the rack are disposed at the rack near the motherboard. The rack is rotatable with respect to the server chassis by means of the pivot structure. The system cooling module is disposed adjacent to the rack. At least one cord passage is provided between the system cooling module and each of the side plates.
Device for securing a functional component to a support rail
The invention concerns a functional component (400) for a component construction system (100) for electrical connection to a bridge module (300) which comprises a housing (421) with a component-securing arrangement (401) for securing the functional component (400) to a support profile rail (200).
A protective case for an electronic device includes a main housing and a lid. The main housing and lid are removably joined to define a water tight volume receiving an electronic device. Air trapped within the protective case transfers acoustic energy from a sound source within the case to at least one membrane wherein the membrane vibrates in response to an air pressure differential transmitting sound to an exterior of the case.
Mounting structure and method for manufacturing same
A mounting structure includes a bonding material (106) that bonds second electrodes (104) of a circuit board (105) and bumps (103) of a semiconductor package (101), the bonding material (106) being surrounded by a first reinforcing resin (107). Moreover, a portion between the outer periphery of the semiconductor package (101) and the circuit board (105) is covered with a second reinforcing resin (108). Even if the bonding material (106) is a solder material having a lower melting point than a conventional bonding material, high drop resistance is obtained.
Wiring board and electronic device
There is provided a wiring board capable of strengthening the bonding between an external terminal and a wiring of an external circuit board. A wiring board includes an insulating substrate having two main surfaces facing each other, side surfaces connecting to the two main surfaces and concave portions concave from the side surfaces and connecting to at least one of the two main surfaces; and external terminals disposed from one of the main surfaces to inner surfaces of the respective concave portions, each of the external terminals having a convex-shaped section disposed on one main surface side along each of the concave portions.
Package structure of electronic device
A package structure of an electronic device includes a first substrate, a second substrate, an electronic device and a first barrier structure. The first substrate includes a first light-transmitting portion and a periphery portion. The second substrate includes a second light-transmitting portion and two covering portions located on two sides of the second light-transmitting portion. The first light-transmitting portion is disposed corresponding to the second light-transmitting portion, and a device disposition region exists therebetween. The covering portions cover the periphery portion of the first substrate and two opposite side surfaces of the first substrate. The electronic device is disposed on the first or second substrate, and is located in the device disposition region. The first barrier structure disposed on the first substrate or the second substrate is disposed corresponding to the periphery portion and disposed on at least one side of the device disposition region.
Electronic package that includes finned vias
The electronic package includes a substrate that includes a plurality of dielectric layers and conductive routings between the plurality of dielectric layers; wherein the substrate further includes a plurality of thermal finned vias that electrically connect the conductive routings within the substrate to one another; and an electronic component mounted on the substrate, wherein the finned via transfers heat from the electronic component to the substrate and electrically connects the conductive routings within the substrate to the electronic component.
Plasma arc torch nozzle with curved distal end region
A nozzle for a plasma arc torch is provided with a distal region sidewall formed by rotation of a variably curved element about a nozzle axis. The distal region sidewall has an inclination to the nozzle axis that increases at an increasing rate as it approached a nozzle terminal plane that terminates an orifice of the nozzle. The distal region sidewall is substantially tangent to the nozzle terminal plane where it intersect the same. The desired curvature can be formed by rotation of a portion of an ellipse or parabola. The curvature of the distal region sidewall appears to draw a portion of the shield gas along the nozzle to provide improved cooling and greater stability to the plasma arc, which can improve the quality of cuts made by the arc and can increase nozzle life.
X-ray equipment and alignment method of X-ray equipment
The present invention provides an X-ray equipment and an alignment method thereof. The X-ray equipment comprises a tube, a detector, an LED array, a camera and a display. The LED array is fixed relative to a detection center of the detector, and has a predefined geometric center; the camera is fixed relative to a center of the tube, for photographing the LED array; the display is connected to the camera, for displaying images photographed by the camera, wherein when the center of the tube is aligned with the detection center of the detector, the geometric center of the LED array is located on a specific pixel unit on the display.
ESD protection component
An ESD (ElectroStatic Discharge) protection component has: first and second discharge electrodes arranged so as to be opposed to each other through a gap; and a discharge inducing portion kept in contact with the first and second discharge electrodes and configured to connect the first and second discharge electrodes to each other. The discharge inducing portion has metal particles, a ceramic material containing glass, and a dielectric material having a dielectric constant higher than that of the ceramic material. A content of the dielectric material is in the range of 7.5 to 40% by volume, with respect to a total volume of the ceramic material and the dielectric material.
Method and apparatus for determining a target light intensity from a phase-control signal
A dimmable ballast circuit for a compact fluorescent lamp controls the intensity of a lamp tube in response to a phase-control voltage received from a dimmer switch. The ballast circuit comprises a phase-control-to-DC converter circuit that receives the phase-control voltage, which is characterized by a duty cycle defining a target intensity of the lamp tube, and generates a DC voltage representative of the duty cycle of the phase-control voltage. Changes in the duty cycle of the phase-control voltage that are below a threshold amount are filtered out by the converter circuit, while intentional changes in the duty cycle of the phase-control voltage are reflected in changes in the target intensity level and thereby the intensity level of the lamp tube.
Electronic device and circuit module thereof
An electronic device and circuit module thereof is provided. The circuit module includes a board, a boosting circuit and a plasma tube. The board has at least one through hole. The board is for being connected with a circuit board device with their thicknesswise sides opposite to each other. The boosting circuit is disposed on the board and includes at least one conductive path and a plurality of electronic components electrically connected to the at least one conductive path. The at least one conductive path includes a power input portion and two power output terminals. The power input portion is for being electrically connecting with a power output portion the circuit board device. At least one said electronic component is disposed within the through hole. Two opposite ends of the plasma tube have two electrodes electrically connected to the two power output terminals.
LED lighting system driven at high voltage DC
A DC-powered LED lighting device and a lighting system using such devices are disclosed. A common AC/DC power supply is coupled to at least one electric main and provides power to the LED lighting devices at DC voltages that are higher than the peak voltage of the sine wave of the at least one electric main.
Sensor system for refrigerator
An interactive appliance is provided. The interactive appliance includes at least a housing, and an intelligent control disposed within the housing. One or more lighting devices are electrically connected to the intelligent control, as are one or more sensors. The sensors provide sensor data for the interactive appliance. The intelligent control is configured to alter operation of at least one of the one or more lighting devices based on data provided by the sensor to provide interactive feedback to a user of the interactive appliance. The feedback can include altering light intensity, color, consistency, or the like depending on the sensor data. Furthermore, the lighting device can be placed on a surface, such as an exterior surface of the housing of the appliance, or can be disposed within an interior portion of the appliance.
Multi-mode lighting system with proximity sensor
Described herein is a lighting system capable of responding to user input provided via proximity sensors. In some embodiments, proximity sensors are communicatively coupled to a processor capable of receiving input from the sensors. The sensors may be arranged in a row such that an object moving down the row proximate to the sensors may trigger each sensor sequentially. In some embodiments, the lighting system may alter a beam configuration or cycle between various lighting modes in response to receiving input from the proximity sensors. In some embodiments, the order in which the sensor input is received may be used to determine which lighting mode to cycle to.
Microcontroller-based multifunctional electronic switch and lighting apparatus having the same
A microcontroller-based multifunctional electronic switch uses a detection circuit design to convert external motion signals into message carrying sensing signals readable to the microcontroller. Based on the time length of sensing signals and the format of the sensing signals received in a preset instant period of time the microcontroller through the operation of its software program codes written in the OTPROM is able to recognize the working modes chosen by the external signal generating user and thereby selecting the appropriate loops of subroutine for execution. The system and method of the present invention may simultaneously be applicable to detection circuit design using infrared ray sensor, electrostatic induction sensor, conduction based touch sensor or push button sensor for performing multifunction such as controlling the on/off switch, the illumination power and the color temperature within the capacity of a single lighting device or an electrical appliance.
Microcontroller-based multifunctional electronic switch
A microcontroller based multifunctional electronic switch using a detection circuit design to convert external motion signals into message carrying sensing signals readable to the microcontroller. Based on the time length of sensing signals and the format of the sensing signals received in a preset instant period of time the microcontroller through the operation of its software program codes written in the OTPROM is able to recognize the working modes chosen by the external signal generating user and thereby selecting the appropriate loops of subroutine for execution. The system and method of the present invention may simultaneously be applicable to detection circuit design using infrared ray sensor, electrostatic induction sensor, conduction based touch sensor or push button sensor for performing multifunction such as controlling the on/off switch performance, the diming or speed control and the delay timer management within the capacity of a single lighting device or an electrical appliance.
Learning capable lighting equipment
A lighting device or system is configured to control of one or more parameters of light output, such as ON/OFF status, intensity when ON, color characteristics and position or orientation of light output (e.g. via a motorized luminaire control). The device or system may have other output capability, e.g. display projection or audio. Sensors or other input devices are responsive to the user. Responsive to user input, sensed activity, and/or acquired information, the device or system, controls a light source in accordance with a lighting control function. Operation of the light source and the lighting control function may be modified based on learning by the device or system.
Programming module for luminaire
There are provided methods and devices for programming a luminaire. For example, there is provided a programming module for use with a luminaire. The programming module includes a connector configured to provide an interface between the programming module and the luminaire via a photo-electric element (PE) socket of the luminaire. The programming module further includes a memory and a processor. When executing instructions included in the memory, the processor is configured to perform operations that include measuring the input power to the luminaire and changing a driver current set point.
Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structure
An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. One or more illumination devices can be grouped together and perform the sunlight emulation along the locus by producing different color temperatures throughout the day by all illumination devices within that group producing the same color temperature changes throughout the day. Moreover, a particular advantage of the preferred embodiments is the ability to manually change at any time the emulated natural sunlight output from the one or more groups of illumination devices and advantageously change the color output more so at certain times than at other times by simply actuating a trigger on a dimmer associated with a virtual or physical keypad.
LED lighting systems and methods for constant current control in various operation modes
System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.
LED lamp arrangement adapted to replace fluorescent lamp in luminaire with ballast
An LED lamp arrangement is disclosed to replace a fluorescent lamp in a luminaire with a ballast. The LED lamp arrangement has a rectifier, LEDs, a LED driver, an impedance balance circuit, a line-voltage controller. The rectifier has two inputs connected to the ballast to provide a rectified power line and a ground power line. The LEDs and a LED driver are connected in series between the rectified power line and the ground power line, and the LED driver regulates a LED driving current through the LEDs. The impedance balance circuit is coupled between the inputs. The line-voltage controller controls the impedance balance circuit in response to a line voltage at the rectified power line, so as to tune an impedance between the inputs and make the line voltage approach to a predetermined target voltage.
LED driving device
A light-emitting diode (LED) driving device comprising: a rectifier configured to convert alternating current (AC) power to direct current (DC) power; a convertor including: a transformer including a primary-side winding connected to the rectifier; and a main switch connected to the primary-side winding of the transformer; a controller configured to output a control signal to the main switch in response to a feedback signal; and an output modifier configured to modify the feedback signal.
Induction hob with induction coils and an apparatus for determining the temperatures on the induction coils
The present invention relates to an induction hob with a number of induction coils (12) on a cooking surface (10) and an apparatus for determining the temperatures on the induction coils (12). The induction coils (12) are arranged on the cooking surface (10) according to a predetermined scheme. At least one temperature sensor (14, 16, 18, 20; 24, 26) is arranged within an intermediate space between two or more induction coils (12). The at least one temperature sensor (14, 16, 18, 20; 24, 26) and the central portions of at least two adjacent induction coils (12) are thermally connected by heat conductor elements (22). The temperature sensors (14, 16, 18, 20; 24, 26) are electrically connected to at least one evaluation circuit for determining the temperatures of the adjacent induction coils (12).
Thermal bath with oblong polished metal pellets
Systems and methods for controlling the temperature of items such as a sample in a vessel or a specimen, in a thermal bath using thermally efficient pellets as the thermal media. The pellets are typically oblong metallic or oblong metallic-coated pellets with rounded edges, a hardened surface, a smooth polished finish, and characteristics that enable efficient thermal communication between the bath's thermal source, the pellets, and the items that are inserted into the mass of pellets. Further, the pellets are dry and moisture and gas impermeable, and they resist microbial growth and are readily decontaminated by several methods including applying an antimicrobial compound to the pellets. The thermal source is controlled to achieve the desired temperature of the items inserted into the pellets.
Method and system for applying quality of service policies to communication signals communicated to non-deep packet inspection devices
A system includes a first device that communicates a first configuration signal, an IP address and port identifier to a second device. The second device includes a router having a quality of service module therein. The second device deep packet inspects communication signals destined for the first device based on the IP address and port identifier. The quality of service module applies a quality of service policy to the communication signals based on deep packet inspecting to form modified communication signals. The first device performs a function in response to the modified communication signals.
Techniques for utilizing access point vicinity information
Techniques for providing access point (AP) vicinity information are disclosed. In one example, the techniques include determining a first set of vicinity information corresponding to signal values for an AP at a set of grid points for the coverage area of the AP, encoding the first set of AP vicinity information based at least on a difference between AP vicinity information values for adjacent grid points to generate a second set of AP vicinity information, and providing the second set of AP vicinity information to a device. In one example, the techniques include receiving, for a set of grid points, a first set of AP vicinity information that is compressed based at least on a difference between AP vicinity information values for adjacent grid points, and performing decompression to obtain a second set of AP vicinity information corresponding to signal values for an AP at the set of grid points.
System and method for bridging to a LTE wireless communication network
A system and method for bridging user devices communicating according to a 3rd Generation (3G) communication protocol to a LTE wireless communication network, thereby enabling user devices that do not have sufficient signal strength for directly coupling to the LTE wireless communication network to nevertheless access such wireless communication systems and methods via a bridging system.
Wireless communication device, electronic timepiece and wireless communication method
A wireless communication device includes a wireless communication unit, a storage unit and a processor. The wireless communication unit performs near field communication with another wireless communication device. The storage unit stores an other-device address which is identification information of said another wireless communication device and which is acquired through the wireless communication unit. The processor updates an own-device address which is identification information of the wireless communication device, when receiving an instruction for excluding the other-device address from a connection destination of the near field communication.
Radio resource control connection release message wait timer
Disclosed is a method that includes receiving, when in a radio resource control (RRC) Connected state, a RRC connection release message from a network access node; setting a wait timer in accordance with a wait timer indication that comprises part of the RRC connection release message; and upon an expiration of the wait timer, enabling the initiating of sending an RRC connection request message to the network access node. Also disclosed is a method that includes operating a network access node with mobile node and sending a RRC connection release message to the mobile node. The RRC connection release message comprises a wait timer indication for specifying an amount of time that the mobile node should wait before initiating the sending of a RRC connection request message. Various apparatus and computer programs stored on non-transitory computer-readable medium are disclosed that are configured to execute the methods.
System and method for D2D resource allocation
When at least one of device-to-device UEs in connections of a group of D2D UEs is outside of the coverage area of mobile network of an access point, an information exchange mechanism established directly between the D2D UEs, without involving a third party, is provided. A resource allocation method for a device-to-device (D2D) communication link between two or more D2D user equipments (UEs) in a mobile communication network is provided according to an example. The method includes a first D2D UE indicating resource allocation information for the D2D communication link in a resource allocation message, wherein the resource allocation message is mapped into a resource allocation format; wherein the resource allocation format comprises one or more format flags; wherein one or more resource allocation messages are differentiated in the resource allocation format in accordance to the one or more format flags; and the first D2D UE transmitting the resource allocation format in a Physical Sidelink Control Channel (PSCCH) to one or more additional D2D UEs.
Personal device management
Peer-to-peer management of mobile devices is disclosed. In various embodiments, a message is received at a first mobile device indicating that a device management permission with respect to a second mobile device that is a peer of the first mobile device has been granted to a user associated with the first mobile device. The first mobile device is configured to be used to perform with respect to the second mobile device a device management action associated with the device management permission.
Mobility management for device-to-device communications
There are provided measures for mobility management for device-to-device communications. Such measures exemplarily include receiving a radio handover request message indicating that a radio handover of at least one communication endpoint utilizing device-to-device communication is to be hidden from core network, and determining, based on device-to-device context information, which is information on said device-to-device communication, and/or on information on said at least one communication endpoint, whether a notification of said radio handover is to be transmitted.
Method and apparatus for providing proximity service
The present invention relates to a method and an apparatus for managing a user equipment (UE), by a base station (eNodeB), in a wireless communication system supporting a proximity service (ProSe). More particularly, the method comprises the steps of: determining the connection state of a UE; and starting a radio resource control (RRC) inactivity timer when the connection state of the UE is idle, wherein the connection state is determined according to whether the UE performs infrastructure communication and whether the UE performs ProSe communication.
Local area network meshing
Some embodiments includes a method of forming a local area mesh network at a computing device. The method can include: receiving a connection request from a first neighbor device utilizing a Wi-Fi Direct (WFD) discovery protocol; forming a first peer-to-peer (P2P) connection with the first neighbor device utilizing WFD, wherein the computing device is set as a group owner of the first P2P connection; generating a notice of absence schedule to send to the first neighbor device indicating suspension intervals of the first P2P connection during which the computing device is suspended from being the group owner of the first P2P connection; forming a second P2P connection with a second neighbor device utilizing WFD, wherein the second neighbor device is set as a group owner of the second P2P connection, wherein the first P2P connection and the second P2P connection constitute part of a mesh communication network.
Identifier assignment method and device in wireless local area network
The disclosure discloses an identifier assignment method in a Wireless Local Area Network (WLAN), which includes: a group identifier is set for a non-Access Point Station (STA). The method further includes: in a process during which the STA associates or reassociates to an Access Point (AP), a terminal identifier is assigned to the associated or reassociated STA or a terminal identifier and a group identifier are assigned to the associated or reassociated STA. The disclosure also discloses an identifier assignment device in a WLAN for implementing the terminal access method. The terminal identifier is significantly expanded through the setting of the group identifier, so that a unique identifier can be assigned to the STA accessing to the AP without identifier repetition of the STA. Meanwhile, the grouping of the STA also facilitates the scheduling and management of the STA in a group. The disclosure ensures that sufficient STAs can access to the AP and a different identifier can be assigned to each STA.
Communicating system, communicating terminal, communicating method and storage medium
a network service using apparatus automatically performs a communication setting of a communicating terminal, when the network service using apparatus connects a network through the communicating terminal. A communicating terminal of the present invention contains a first communicating unit, a second communicating unit, a third communicating unit and a communication setting unit. The first communicating unit communicates with a network service providing apparatus through a network. The second communicating unit communicates with a network service using apparatus. The third communicating unit receives a request message of a communication path establishment, from the network service using apparatus. The communication setting unit performs the communication settings of the first communicating unit and the second communicating unit to establish a communication path through the first communicating unit and the second communicating unit based on the request message from the third communicating unit.
Dynamic random access resource size configuration and selection
The disclosure relates to connection setup between a wireless device and a mobile communication network using random access, and more specifically to dynamic random access resource configuration and selection. The disclosure provides for a method in a wireless device, of selecting random access resources for performing a random access procedure to a wireless network. The method comprises the step receiving information from a radio network node comprised in a cell of the wireless network, wherein the received information indicates at least a first and a second random access resource having different resource sizes. The method further comprises selecting one of said at least first and a second random access resources based on an expected uplink power received by the radio network node and transmitting a random access message to said wireless network using the selected resource. The disclosure further relates to methods for providing random access resources, as well as to a wireless device, and to radio network nodes of a wireless network.
Mobile communication terminal device and method for selecting a virtual carrier for machine-type communications based on measurements of channel conditions
An apparatus and method providing feedback on channel conditions in a wireless telecommunications system including a base station to communicate with plural terminals device using frequencies spanning a system frequency bandwidth. At least one terminal device is a reduced capability terminal device including a tuneable transceiver configured to receive downlink transmissions from the base station using only a restricted frequency bandwidth smaller than and within the system frequency bandwidth. The reduced capability terminal device is configured to communicate information derived from measurements of channel conditions to the base station. The information may include an indication of measured channel conditions for different frequency locations, or an indication of one or more frequency locations for which corresponding measurement of channel conditions meet a pre-defined selection criterion. The base station subsequently schedules downlink transmissions for the terminal device in a manner that takes account of the information received from the terminal device.
Configuration of CSI-RS for CoMP feedback
This invention is a manner of Coordinated Multi-Point (CoMP) transmission between with plural base stations and at least one user equipment. The user equipment measures channel state information of plural base stations using plural CSI-RS resources based on the nodes to which that user equipment can communicate. Generally the identity of these nodes is signaled to the user equipment by one of the base stations. The user equipment calculates a channel state information for each of the base stations and transmits a corresponding channel state indicator response. A higher-layer signaling from at least one base station to the user equipment configures the CSI-RS sequence for each of plural CSI-RS resources. One base station determines communications parameters for communication with the user equipment and plural base stations and signals the user equipment. The user equipment establishes communication with the plural base stations via the determined communication parameters.
Scheduling in a cellular communication system using a large excess number of base station antennas
The present disclosure is directed to a system and method for selecting a sub-group of user terminals (UTs) among a group of UTs served by a sector of a cellular network to schedule independent data streams for transmission to over the same time-frequency interval. In one embodiment, the sub-group of UTs is selected to limit inter-user interference among the sub-group of UTs. In another embodiment, the sub-group of UTs is selected to limit inter-user interference experienced by a UT that is at or near the boundary of the sector that serves the sub-group of UTs.
Implementation method for transmission-priority seizing of LTE-based broadband cluster system
A method for implementing speaking right seizing of an LTE-based broadband cluster system, an MME, a network subsystem, a broadband wireless access subsystem and the LTE-based broadband cluster system are disclosed. The method includes: the broadband wireless access subsystem sending a trunking speaking right update request to the network subsystem, receiving trunking speaking right update accept message returned by the network subsystem, and sending the trunking speaking right update accept message to the speaking right seizing terminal; the broadband wireless access subsystem, the network subsystem and the speaking right terminal interacting to complete a trunking speaking right context modification; and the broadband wireless access subsystem receiving speaking right occupation prompt message sent by the network subsystem, and sending trunking speaking right occupation prompt message to the speaking right terminal and the speaking right seizing terminal via a multicast control channel of an eMBMS and updating configuration information.
Wireless communication device
There is provided a wireless communication device that includes: a receiving unit that receives a first transmission frame via a receiving antenna, the first transmission frame being transmitted from a communication partner; a response-frame generating unit that generates a first response frame indicating reception of the first transmission frame, based on the first transmission frame received via the receiving antenna; a transmitting unit that transmits the generated first response frame via a transmitting antenna; a determining unit that determines whether or not the same first transmission frame is retransmitted from the communication partner; and an antenna control unit that changes a beam pattern of the transmitting antenna, when the same first transmission frame is retransmitted from the communication partner.
Communication control device, communication control method, and base station
Provided is communication control device including a determination unit which determines whether an access type of a small cell which at least partially overlaps a macro cell of a radio communication system is a closed access type or an open access type, an identification unit which, when it is determined that the access type of the small cell is the closed access type, identifies a user terminal of the macro cell which should be protected from interference caused by a radio signal from the small cell, and an interference control unit which transmits an interference control signal to a base station of the small cell so that the interference on the user terminal identified by the identification unit is reduced.
System and method for mobility tracking of user equipment
A system and method for mobility tracking of user equipment in a network includes a user equipment. The user equipment includes an antenna for receiving and sending signals to a plurality of network nodes in a network and a processor coupled to the antenna. The processor is configured to broadcast, using the antenna, a pilot signal to advertise the user equipment, receive, using the antenna, a pilot response from a first network node acting as a serving node for the user equipment, and communicate with the network through the serving node. The pilot signal includes a reference sequence for the network nodes to track followed by a payload including information about an identity of the user equipment. In some embodiments, the reference sequence varies based on a state of the user equipment. In some embodiments, the reference sequence is randomly selected.
System and method for saving energy in a locator apparatus
A method for saving energy in a locator apparatus includes calculating an update threshold as a function of energy available in the locator apparatus, movement detection and location detection; performing a location update when the update threshold is exceeded; and transmitting the location update to a server using communication channel selected based on energy efficiency of the communication channel at the time of the transmission. The energy efficiency is determined by measuring received signal strength from each communication channel; adding a predefined protocol overhead to an amount of data of the location update to be transmitted to obtain an actual amount of data of the location update to be transmitted, for each communication channel; performing a conversion from the actual amount of data of the location update to energy required for transmission using each communication channel; and selecting the communication channel having the lowest requirement of energy for transmission.
Overlay of bearers in a radio communication system
A communication system having multiple bearers overlays a relatively narrowband bearer such as P25 on a relatively wideband bearer such as LTE, for transmission of both uplink and downlink signals. The wideband bearer uses a spectrum of subcarriers which form a set of radio frequency blocks. One or more blocks or other related parts of the spectrum may be allocated to the narrowband bearer. In some cases the narrowband bearer may push through the wideband allocation using a relatively high power to dominate signals transmitted by the wideband bearer. Voice calls such as emergency calls using the narrowband bearer may be prioritized.
Method and system for communicating in a wireless mesh network
Embodiments of a method for communicating in a wireless mesh network, a method for communicating in a Bluetooth Low Energy (BLE) mesh network, and a wireless communications device are described. In one embodiment, a method for communicating in a wireless mesh network involves at a first wireless communications device, scanning the wireless mesh network for a unit time period to discover a first transmission time slot within the unit time period that is used by a second wireless communications device in the wireless mesh network, at the first wireless communications device, choosing a second transmission time slot within the unit time period for the first wireless communications device, where the second transmission time slot is different from the first transmission time slot, and from the first wireless communications device, broadcasting data in the wireless mesh network in the second transmission time slot within a subsequent unit time period.
Method, apparatus and equipment for determining device channel resource(s) of a user equipment
An objective of the present invention is to provide a method, apparatus, and equipment for determining device channel resources of a user equipment in an LTE-TDD system. The TDD system performs resource scheduling to the user equipment using an enhanced physical downlink control channel, and a physical uplink control channel used includes channel resource(s) for feeding back a hybrid automatic repeat request of a physical downlink shared channel as scheduled by the enhanced physical downlink control channel, when the number of downlink subframes as fed back in one uplink subframe may be more than one, the channel resource(s) is divided into a plurality of channel regions based on the number of downlink subframes having the enhanced physical downlink control channel set thereon currently, or based on the potential highest number of downlink subframes having the enhanced physical downlink control channel set thereon. The present application obtains the device channel resource(s) occupied by the present user equipment in at least one channel region of the plurality of channel regions. The present invention enables the user equipment to feed back ePDCCH.
Method and apparatus for packet data unit processing for retransmission
In data communication systems, data packet processing for transmission and reception may go through different stages such as segmentation or packing of the data packets on the transmission side and duplicate detection, reordering, and reassembly on the reception side. For reliable data transmission between peer entities, acknowledgement based retransmission protocol known as Automatic Repeat Request may be used where each retransmission can further segment previously transmitted data packets. This type of data processing may lead to high memory requirements and high processing requirements. A method and apparatus are disclosed that maintain additional information about the data packets which enables virtual segmentation and packing on the transmitter side and on the receiver side, virtual duplicate detection, reordering and reassembly. Performing the segmentation, packing, duplicate detection, reordering and reassembly operations in virtual manner reduce the memory and processing requirements and this may lead to reduced power consumption and improved user experience.
Method and apparatus of transmitting control information considering TDD-FDD CA
The present disclosure relates to an apparatus and method for configuring a DCI format for a TDD-FDD CA environment and an FDD-TDD CA environment. According to aspects, an HARQ process number field, a DAI filed in a downlink DCI format, and a DAI field in an uplink DCI format are differently configured for the TDD-FDD CA environment and the FDD-TDD CA environment.
Downlink channel design for LTE with low latency
An example data structure for managing user equipment communications in a wireless communications system is presented, as well as methods and apparatuses configured to implement the data structure. For instance, the data structure may include a downlink subframe comprising two slots and including one or more quick downlink channels having a single-slot transmission time interval. In addition, the example data structure may include one or more resource element blocks each comprising one or more resource elements into which a frequency bandwidth is divided within one or both of the two slots, wherein each of the one or more resource element blocks comprises a control channel region or a data channel region. Furthermore, the example data structure may include one or more resource grants, located within one or more control channel regions, for one or more user equipment served by the one or more quick downlink channels.
Method and apparatus for reducing latency of LTE uplink transmissions
A method and apparatus reduce latency of Long Term Evolution (LTE) uplink transmissions. A Downlink Control Information (DCI) message can be received in a first subframe. The DCI message can indicate a resource assignment and a modulation and coding scheme and can indicate a plurality of cyclic shifts from which a User Equipment (UE) may select one cyclic shift for transmission in a second subframe for an uplink carrier. A cyclic shift can be selected from the plurality of indicated cyclic shifts based on a selection criterion. A data packet can be transmitted on a Physical Uplink Shared Channel (PUSCH) in a resource indicated by the resource assignment and modulation and coding scheme using a Demodulation Reference Signal (DMRS) based on the selected cyclic shift in the second subframe on the uplink carrier.
Base station, method, computer readable medium, and system for radio communication for suppressing load of blind decoding
Provided is a base station including circuitry that transmits a radio signal in a frame including a control region and a data region, generates a control signal which includes reference information identified by a group identifier assigned to a plurality of radio terminals and which is transmitted in the control region, and generates a data signal by disposing information for the plurality of radio terminals in a reference region indicated by the reference information in the data region.
Physical uplink control channel (PUCCH) resource allocation (RA) for a hybrid automatic retransmission re-quest-acknowledge (HARQ-ACK) transmission
A user equipment (UE) is disclosed. The UE can identify a downlink control channel. The UE can determine when the downlink control channel is an enhanced physical downlink control channel (EPDCCH). The UE can select an enhanced physical uplink control channel (PUCCH) resource allocation for a hybrid automatic retransmission re-quest-acknowledge (HARQ-ACK) transmission when the downlink control channel is the EPDCCH.
RACH-related system resource optimization method and apparatus for wireless communication system
A method and an apparatus are provided for receiving information by a terminal in a wireless communication system. The method includes transmitting, to a base station, a request message including a preamble; receiving, from the base station, a response message including uplink resource information determined based on the preamble; determining at least one of downlink channel information and uplink transmission capability corresponding to a specific uplink transmission; and transmitting, if an information request message is received from the base station, the at least one of the downlink channel information and the uplink transmission capability to the base station.
Methods and apparatus for paging reception in multimode wireless networks
Methods and apparatus enabling a mobile device to receive paging notifications from multiple networks. In one embodiment of the present invention, a first device connected to a first network momentarily ignores the first network, to monitor a second network instead. The first device identifies and prioritizes a list of applications of the first network; the prioritized listing allows the first device to preempt one of its lower priority tasks to monitor the second network for paging messages instead. The described methods and apparatus enable e.g., GSM paging for Class B cellular devices which are connected to GPRS NMO-2 type networks. The Class B cellular device can ignore certain GPRS data (which is tolerant to error), to decode GSM paging channels, which would otherwise be missed.
Method and apparatus for assigning mobile subscriber identification information to multiple devices according to location
Aspects of the subject disclosure may include, for example, a system that manages utilization of mobile subscriber identity information including enabling use of such information by different communication devices. The use of the same mobile subscriber identity information by multiple devices can be based on locations. Other embodiments are disclosed.
System and method of super synchronization in RTLS
Real-time location system and method, the system including a tag and a plurality of groups, each group including: a plurality of battery operated secondary technology base-stations, and a battery operated wireless timing beacon generator to provide a timing beacon to the group, such that the timing beacon generator for a group obtains timing information for the timing beacon wirelessly from a timing server, and such that each timing beacon generator transmits timing beacons with timing information to the plurality of base-stations in the group, and each secondary technology base-station transmits a secondary technology signal to the tag based on the received timing beacon.
Tracking device power preservation through signal strength reduction
The power consumption of a tracking device can be reduced by managing the transmission power of the tracking device when a mobile device is at the edge of the range of the tracking device. A connection can be established between a tracking device and a mobile device at the edge of a first range of the tracking device. The transmission range of the tracking device can be reduced to sever the connection between the tracking device and the mobile device. After a pre-determined time interval or after a connection with the mobile device is re-established the transmission range of the tracking device can be restored.
Communication control method and base station
A first base station is configured to be connected with a second base station via an X2 interface. The first base station includes: a controller containing at least one processor and at least one memory, and configured to execute processes of transmitting a message, which includes a first identifier, coverage state information, and a second identifier, to the second base station before modifying a coverage of the first cell, the first identifier identifying the first cell, the coverage state information indicating that a state of the coverage after modification of the coverage, the second identifier identifying a second cell for compensating at least part of the coverage of the first cell; and modifying the coverage of the first cell after transmitting the message.
Transmission power control method and base station
A transmission power control method in a mobile communication system including a user apparatus and a base station is provided. The method enables the base station to control transmission power of a discovery signal of the user apparatus. The method includes estimating a number of the user apparatuses transmitting discovery signals by monitoring the discovery signals transmitted from the user apparatuses, by referring to power class setting information which associates the number of the user apparatuses transmitting the discover signals with a power class used for determining transmission power information of the discovery signal in the user apparatus, determining the power class associated with the number of the estimate user apparatuses, and transmitting the determined power class to the user apparatus.
Power limit reporting in a communication system using carrier aggregation
The invention relates to methods for informing an eNodeB on the transmit power status of a user equipment in a mobile communication system using component carrier (CC) aggregation. Furthermore, the invention is also related to the implementation of these methods by hardware and their implementation in software. The invention proposes procedures that allow the eNodeB to recognize the power usage status of a UE in a communication system using carrier aggregation. The UE indicates to the eNodeB, when the UE is close to using its total maximum UE transmit power or when it has exceeded same. This is achieved by the UE including indicator(s) and/or new MAC CEs to one or more protocol data units transmitted on respective component carriers within a single sub-frame that is providing the eNodeB with power status information. The MAC CEs may report a per-UE power headroom. Alternatively, the MAC CEs may report per-CC power headrooms and/or power reductions applied to the respective uplink CCs.
Wireless communication control device and wireless communication control method
There is provided a wireless communication control device and a wireless communication control method, which control the transmission power of radio waves of base stations appropriately to reduce interference between cells. The wireless communication control method according to the present invention is a method of controlling plural base stations in a wireless communication system in which the plural base stations cover a target area with radio waves of a first radio wave strength or more, the method causing a computer to execute: a step of acquiring a relative positional relationship of the plural base stations; a step of identifying a base station, located in the neighborhood of the boundary of the target area, from the relative positional relationship of the plural base stations; and a step of lowering the transmission power of radio waves of a base station other than the identified base station among the plural base stations.
Terminal apparatus, base station apparatus, method for terminal apparatus, and method for base station apparatus which can set appropriate uplink transmission power
In a communication system in which a base station apparatus and a terminal apparatus communicate with each other, a base station apparatus, a terminal apparatus, and a communication system with which the base station apparatus and the terminal apparatus can efficiently communicate with each other are provided. The terminal apparatus that communicates with the base station apparatus includes a radio resource control section 6011 that configures a plurality of uplink physical channels and that configures an uplink power control-related parameter for each of the plurality of uplink physical channels in accordance with information included in a radio resource control (RRC) signal and a transmission power control section 6015 that sets transmission power of the uplink physical channels on the basis of the uplink power control-related parameters.
Method and apparatus for controlling aperiodic traffic in electronic device
The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as a smart home, a smart building, a smart city, a smart car, a connected car, healthcare, digital education, smart retail, security and safety services. A method and an apparatus for controlling aperiodic traffic in an electronic device are provided. The method includes determining a delay allowed time for first traffic associated with the first application based on a prediction time of generation of second traffic associated with a second application and processing the first traffic associated with the first application based on the delay allowed time.
Power saving mechanism for MU-MIMO transmissions
Techniques for power saving by remote wireless mobile devices are provided, in particular by stations (STAs) during downlink (DL) multiple-user multiple-input and multiple-output (MU-MIMO) transmissions in an Institute of Electrical and Electronics Engineers (IEEE) 802.11ay network when reverse direction (RD) transmissions are either enabled and not enabled. Various embodiments enable each STA in a group of STAs to determine an order in which the STAs are requested to send a block acknowledgement (BACK) and which STAs will be granted an RD transmission. Further, a duration of each RD transmission is provided to each STA. Based on the provided information, each STA can determine times to enter a power saving mode. Other embodiments are described and claimed.
Power management for emergency communications device
Systems and methods of conserving power in a mobile emergency communication device. After placing a telephone call, the calling device communicates information to the call recipient, for example a response center, usable to estimate the remaining talk time of the calling device. The call recipient sends instructions to the calling device to turn off, disable, or suspend certain device capabilities to conserve battery power in the calling device. For example, if it is determined that the device is not moving, a geographical location capability of the device may be turned off to conserve power. Other capabilities may also be turned off, for example a secondary radio transceiver, a display screen or other visual indicator, certain software applications executing on the device, or other capabilities.
Electronic device and method for signal transmission and reception
An electronic device, a gateway device, and signal transmission and reception methods thereof are provided. The electronic device includes a communication unit and a control unit. The communication unit is configured to transmit and to receive a signal to and from another communication entity. The control unit is configured to determine whether to activate a wireless local area network (WLAN), and to transmit information about activation or deactivation of the WLAN to a packet data network so as to maintain a created channel and authentication for data transmission and reception.
Power saving in wireless transceiver device
A device-to-device (D2D) communication network supports a wireless D2D link between a first wireless transceiver and a second wireless transceiver, the second wireless transceiver accessing a cellular communication network via the first wireless transceiver. The first wireless transceiver receives capability information from the second wireless transceiver on wireless D2D communication resources and transmits, to the second transceiver, power saving information about a power saving mode configuration based on the received capability information. The power saving information comprises information about sleep periods and active periods of the second transceiver. A sync signal is transmitted with a timing based at least partly on the power saving mode configuration, for facilitating re-synchronization of the second wireless transceiver with the first wireless transceiver in conjunction with an end of a sleep period of the second wireless transceiver in accordance with the power saving mode configuration.
Method and system for minimizing power consumption of user equipment during cell detection
A method and system for minimizing battery power consumption of user equipment (UE) during inter-frequency cell discovery in heterogeneous network is disclosed. UE receives background scan configuration for specified frequency from the network and performs the background scan for detecting inter-frequency cell. The UE detects an inter-frequency cell on the frequency indicated in the background scan configuration, during the inactive time of DRX cycle. Further, UE indicates the physical cell identity of the detected cell to the network. Then the UE activates the normal measurement gap provided previously or the network configures normal measurement gap to the UE if not provided previously. Further, UE performs Reference signal Received Power (RSRP) and Reference Signal Received Quality (RSRQ) measurements of the detected cell. Then the UE reports these measurements to the network when the measurement report event condition is satisfied and the network handovers the UE to the detected cell.
Data processing apparatus, data processing system, and data processing method
A data processing apparatus that is installed in plural in an installation area and processes data of each installation site, includes a processor that based on a combination of identification information included in calibration information respectively transmitted by calibration nodes and self-identification generation information that is included in the calibration information and for identifying the data processing apparatus among the plural data processing apparatuses, generates self-identification information; a memory device that retains the self-identification information; and a wireless communications circuit that receives the calibration information from the calibration nodes and performs transmission and reception of the data with an adjacent data processing apparatus provided in the installation area.
Optimizing packet/frame forwarding or routing in a wireless backhaul transport system
Systems and methods are described for providing wireless backhaul transport. One element of the system is a highly integrated radio transceiver, including an integrated antenna. The radio transceiver may operate in the millimeter wave range (between 30 GHz and 300 GHz), and due to the small wavelengths, it is possible to integrate the antenna, which may typically compromise a number of antenna elements, with the radio transceiver in a single integrated circuit (IC) package, commonly referred to as a system-in-package (SiP) and/or antenna-in-package (AiP) format. The system supports multi-hop point-to-multipoint or multi-hop mesh networking topologies. Low level MAC routing tables are built and maintained to enable efficient packet and frame forwarding.
Central control device and load balancing method thereof
A central control device and a load balancing method thereof are provided. The central control device includes a network interface, a storage and a processor. The network interface is connected to a plurality of base stations and receives a load parameter from each base station. The storage stores the load parameters. The processor is electrically connected to the storage and the network interface. For each base station, the processor calculates a load indication according to the load parameter thereof to determine whether the base station is an overloaded base station based on the load indication, and calculates an offload priority indication according to the load indication, a quantity of off-loadable resources of at least one neighboring base station, a first weighting factor and a second weighting factor. The processor determines an offload order of the overloaded base stations according to the offload priority indications.
Automatic channel layering in a wi-fi communication system
Deploying multiple access points on multiple wireless communication channels to optimize coverage area. Additional channels provide additional communication capability which multiple AP's, and their associated stations, can collectively use. An additional set of AP's can be disposed in the additional communication channel, with multiple communication channels possibly physically intersecting. The system control element collects information from devices in the wireless communication system, and automatically configures which AP is assigned to which communication channel. The system control element determines which AP's are servicing which physical locations, in response to feedback from AP's and stations in those locations. The system control element assigns, or re-assigns, AP's in each physical location, with the effect of optimizing coverage.
Method and apparatus for handover between content servers for transmission path optimization
A method of an electronic device in a wireless communication system is provided. The method includes receiving, by the electronic device, a service through a first content server, performing, by the electronic device, handover from a serving Base Station (BS) to a target BS, and continuously receiving the service through a second content server closest to the electronic device.
Systems and methods for determining access node candidates for handover of wireless devices
Systems and methods are described for determining candidates for handover of wireless devices in a wireless network. A first access node in communication with one or more wireless devices may receive signal information for second access nodes from the wireless devices. A communication link between the first access node and each second access node may be used to transmit second access node network characteristics to the first access node. The first access node may store information about second access nodes in a neighbor relation table. If a removal condition is satisfied, one or more second access nodes may be removed from the first access node neighbor relation table and may be blacklisted. Blacklisted second access nodes may be monitored for improvements in signal information or network characteristics. Improved second access nodes may be removed from the blacklist based on a comparison with threshold values for signal information and network characteristics.
Cell information transmission/reception method and apparatus for use in wireless communication system
A cell information transmission/reception method and an apparatus are provided for use in a wireless communication system. A cell information transmission method of a base station in a wireless communication system according to the present disclosure includes transmitting, by the base station, system information to a terminal, the system information including a neighbor cell list having at least one cell Identifier (ID), and transmitting, by the base station, cell information on at least one cell selected according to a predetermined rule based on the neighbor cell list to the terminal.
Measurement control method, user equipment, control node, and system
The present application discloses a measurement control apparatus, and can reduce handover signaling and improve a handover success rate. The apparatus of the present application mainly includes: a processor coupled with a non-transitory storage medium storing executable instructions; wherein the executable instructions, when executed by the processor, cause the processor to receive measurement configuration information sent by a control node, where the measurement configuration information includes a list of first-type cells, the type of first-type cells, a list of second-type cells, the type of second-type cells, hierarchical cell structure (HCS) priorities, a frequency of first-type cells, or a dedicated parameter for evaluating an event trigger threshold; detect cell signal quality or signal strength of a cell; and determine, according to the cell signal quality or signal strength and the measurement configuration information, whether to report an event or a measurement result to the control node.
Radio communication system, low-power base station, high-power base station, radio terminal, and radio communication method
A radio communication system is provided with a high-power base station, a radio terminal which is located within a macro cell formed by the high-power base station, and a low-power base station which has a lower transmission output power than the high-power base station. The low-power base station sends, to the high-power base station, control information needed for the radio communication between the radio terminal and the low-power base station; the high-power base station sends, to the radio terminal, the control information received from the low-power base station; and the radio terminal performs radio communication with the low-power base station by using the control information received from the high-power base station.
Controlling communication devices in a communication system
Access technology priority lists and related access list identifiers are maintained in a radio access system such that at least one access list identifier is associated with a plurality of access technology priority lists. Behavior of at least one communication device in the radio access system is controlled by selecting one of the access technology selection priority lists based on information (such as load conditions or quality of service class) regarding an access list identifier and the radio access system.
Handling of traffic congestion messages for wireless communication devices in wireless communication systems
Systems, methods, and software for handling traffic congestion messages in wireless communication systems are provided herein. In one example, method of operating a wireless communication system is provided. The method includes monitoring a traffic congestion message transferred by a radio access network of the wireless communication system for delivery to a congestion mitigation node responsive to user traffic congestion for a wireless communication device in the radio access network. The method includes identifying a destination network for the traffic congestion message. When the destination network indicates a congestion mitigation node not in the wireless communication system, the method includes withholding delivery of the traffic congestion message. When the destination network indicates a congestion mitigation node in the wireless communication system, the method includes allowing delivery of the traffic congestion message to the congestion mitigation node in the wireless communication system.
System and method for determining cell congestion level
A metric of cell congestion is determined using an average physical resource block rate that is expected to be allocated for a very active user equipment bearer that is a persistent average rate. The average physical resource block rate is mapped to congestion levels and this information is exported to an application function or a radio access network function in order to mitigate congestion. An average bearer throughput for the user equipment can be calculated based on the average physical resource block rate.
Transmission of first and second buffer status information messages in a wireless network
A wireless transmit/receive unit (WTRU) transmits a first buffer status information message over an uplink shared channel with buffered data and a second buffer status information message over the uplink shared channel with buffered data. The second buffer status information message may have less bits and use a different format than the first buffer status information message. The WTRU may also transmit a scheduling request without buffered data on a condition of not have a scheduling grant. The WTRU may initiate, subsequent to a predetermined number of subframes after transmission of the first buffer status information message, transmission of another first buffer status information message.
Channel reservation for operation in an unlicensed spectrum
Embodiments described herein relate generally to a communication between a user equipment (“UE”) and an evolved Node Bs (“eNBs”) in a plurality of frequency bands. An eNB may transmit cross-carrier, cross-subframe scheduling information to a UE in a licensed frequency band. In response reception of the scheduling information, the UE may sense a wireless transmission medium to determine if the medium is idle. If the medium is idle, the UE may generate and transmit a request to reserve the medium in the unlicensed frequency band (e.g., a Clear-to-Send message). The eNB may transmit downlink data to the UE in the unlicensed frequency band. Other embodiments may be described and/or claimed.
Method and device for activating and deactivating secondary component carrier in carrier aggregation
The present invention relates to communication technology. Disclosed are a method and device for activating and deactivating a secondary component carrier (SCC) in carrier aggregation. When the cache data volume reported by an RLC reaches an activation data volume threshold, increasing the count value of an SCC activation counter instead of directly activating an SCC; when determining that a monitor condition is met, and if the ratio of the count value of the SCC activation counter and the report times of the RLC reaches a set activation threshold, then indicating that the cache data volumes reported for multiple times all reach the activation data volume threshold, and then activating the SCC, thus avoiding multiple activations and deactivations during a short time, and improving SCC rate stability.
Method and apparatus for reporting channel state information in wireless communication system
The present invention relates to a method and an apparatus for reporting channel status information (CSI). According to one embodiment of the present invention, the method comprises receiving a first CSI-reference signal (CSI-RS) based on CSI-RS configuration information with respect to a first domain antenna group of a two-dimensional antenna structure; reporting a first piece of CSI with respect to the first domain antenna group, which is generated using the first CSI-RS; receiving a second CSI-RS, based on CSI-RS configuration information with respect to a second domain antenna group of the two-dimensional antenna structure; and reporting a second piece of CSI with respect to the second domain antenna group, which is generated using the second CSI-RS, wherein the CSI-RS configuration information with respect to the second domain antenna group can be determined based on the first piece of CSI.
User equipment reallocation between nodes
A technology for a user equipment (UE) is disclosed that is operable in an anchor-booster architecture of a multiple radio access technology (multi-RAT) heterogeneous network (HetNet). Control information to an anchor cell can be transmitted from a wireless wide area network (WWAN) node in the multi-RAT UE. Data packets of the multi-RAT UE can be selected for transmission via one of the WWAN node and a wireless local area network (WLAN) node in the multi-RAT UE using a multi-RAT coordination function (MRCF) module. Each data packet from one of the WWAN node and the WLAN cell can be transmitted to a multi-RAT small cell evolved node B (SC-eNode B) based on the selection by the MRCF module.
System and methods of dynamic TDD configurations
Solutions to support the coexistence of legacy UEs and new released UEs in adaptive TDD systems are proposed. Methods of TDD grouping, RACH (random access channel) resource allocation, and DL/UL data transmission and HARQ (Hybrid Automatic Repeat Request) process to serve legacy UEs without interfering the operation of new released UEs are proposed. With the methods proposed in this invention, both the legacy UEs and the new released UEs can be served in the adaptive TDD systems and the data transmission from the legacy UEs would not interfere the data reception of the new released UEs.
Multifactorial optimization system and method
A method for providing unequal allocation of rights among agents while operating according to fair principles, comprising assigning a hierarchal rank to each agent; providing a synthetic economic value to a first set of agents at the a high level of the hierarchy; allocating portions of the synthetic economic value by the first set of agents to a second set of agents at respectively different hierarchal rank than the first set of agents; and conducting an auction amongst agents using the synthetic economic value as the currency. A method for allocation among agents, comprising assigning a wealth generation function for generating future wealth to each of a plurality of agents, communicating subjective market information between agents, and transferring wealth generated by the secure wealth generation function between agents in consideration of a market transaction. The method may further comprise the step of transferring at least a portion of the wealth generation function between agents.
Methods and systems for data context and management via dynamic spectrum controller and dynamic spectrum policy controller
A dynamic spectrum arbitrage (DSA) system may include a dynamic spectrum policy controller (DPC) and a dynamic spectrum controller (DSC) that together dynamically manage the allocation and use of resources (e.g., spectrum resources) across different networks. The DPC and DSC may store DSC context information, and use this information to perform various DSA operations. For example, the DSC may determine whether there is bandwidth available for allocation within cells in a first telecommunication network, generate a resource register request message that identifies the amount of bandwidth that is available, and send the generated resource register request message to the DPC using a DSAAP component/protocol. The DSC may receive the resource register response message and a bid success message via the DSAAP, and send a resources allocated message to the DPC via the DSAAP to commit the requested amount of bandwidth for use by the second telecommunication network.
Digital capacity centric distributed antenna system
Disclosed herein is an architecture for a Digital Capacity Centric Distributed Antenna System (DCC-DAS) that dynamically manages and distributes resources in different locations where there is demand for capacity. The DCC-DAS also allows for the routing of resources to other applications such as location finding devices, jamming devices, repeaters, etc.
System and method for controlling, monitoring and recording of wireless telecommunications services in penal institutions
A system for controlling, monitoring, and recording of wireless telecommunications services associated with penal institutions is provided comprising a portable electronic device and application executing on the device that present a listing of available call destinations based on receiving a first instruction from a first authorized party possessing the device. The application receives a second instruction comprising a choice of a first call destination from the listing. The application transmits a third instruction requesting connection with the destination and joins a second authorized party associated with the first call destination in a first voice session. The application joins the first authorized party to the first session. The application further joins the first party to a second voice session initiated by the second party based on determining that the second party initiated the second session from the first destination. The device originates and receives transmissions solely upon approval of the application.
Varying device identities
A communication device comprises a memory for storing a device identity; a data transmitter for supporting communication links with other devices; and a communication controller, wherein the controller is configured to periodically vary the stored device identity and to cause the data transmitter to periodically transmit the stored device identity so that the device can be identified.
Method and apparatus for cognitive radio coexistence
In a non-limiting and exemplary embodiment, a method is provided for sharing secondary cognitive radio resource user related information. A coexistence node receives information on network properties associated with secondary cognitive radio resource users. An upload message is generated and sent, the upload message comprising for a secondary user database at least information on the received network properties associated with secondary cognitive radio resource users. A location-dependent network map comprising at least information on network properties is generated. The network map is sent to assist one or more secondary cognitive radio resource users.
Machine type communication interworking function
Communication systems, such as an evolved packet system, may benefit from various interworking functions. In particular, certain communication systems in which machine type communication devices are deployed may benefit from a machine type communication interworking function in a visited network. A method may comprise receiving, from a network element, a request in a visited machine type communication interworking function. The method may also comprise processing the request in the visited machine type communication interworking function. The method may further comprise sending a response to the network element in response to the request.
Node selection in network transitions
The present disclosure relates to methods, systems and apparatuses for transferring a user equipment (UE) connected to a first network (e.g., a LTE network) to a second network (e.g., a Wireless Local Area Network, or WLAN). In particular, the present disclosure teaches methods, systems and apparatuses for selecting and connecting the UE to a gateway (e.g., an evolved packet data gateway (ePDG)) and a network apparatus (e.g., a packet data network gateway (PGW)). By sending the IP address of the gateway and the network apparatus to the UE before the UE disconnects from the first network (e.g., via a Protocol Configuration Option (PCO) message), the UE is able to connect to the gateway and network apparatus directly without consulting a DNS server or a Home Subscriber Server. These techniques can be useful when no DNS server is available and in virtualized, cloud-based networks.
System and methods for data communications in a wireless communication system
Techniques for use by a mobile device configured to operate in a wireless network for the communication of data messages with a server are described. When the mobile device does not have an open session with the server, the mobile device receives from a service node via the wireless network a message which informs the mobile device that a data message has arrived at the server and needs to be retrieved. The message includes an identifier which identifies the data message at the server. In response to opening an application at the mobile device, the mobile device communicates directly with the server via the wireless network for retrieving the data message. This involves commencing an open session with the server, sending to the server a command for retrieving the data message, and receiving from the server the data message in response to sending the command. The mobile device may use the identifier for retrieving the data message from the server.
Enabling voice over long term evolution (VoLTE) services for non-VoLTE inbound roamers
The present disclosure is directed to a method and system for enabling and facilitating roaming of subscribers of a home public land mobile network (HPLMN) equipped with long term evolution (LTE) devices into a LTE access network of a visited PLMN (VPLMN). Voice over LTE (VoLTE) services are not supported in the HPLMN or the roaming subscribers do not have the VoLTE services. The VPLMN only supports the VoLTE services. Alternatively, the VPLMN supports VoLTE and circuit switched fall back (CSFB) to a Code Division Multiple Access (CDMA) network, but the roaming subscriber's LTE device does not support CSFB to the CDMA network. A non-VoLTE inbound roaming subscriber is registered in a home location register (HLR) as if the roaming subscriber were roaming in a VPLMN circuit switched domain. A local IMS subscription with telephony services is created and the telephony services are provided to the non-VoLTE inbound roaming subscriber.
Method and system for sharing documents on mobile messenger
According to an embodiment of the present invention, a method of sharing a document on a mobile messenger includes uploading a document from a document sender's mobile device to a first server, transmitting the uploaded document from the first server to a second server, and converting the transmitted document to hypertext markup language (HTML) format and forwarding a first web address of the converted document to a mobile messenger running on the document sender's mobile device and one or more document receivers' mobile devices.
Method and apparatus for receiving broadcast data in wireless communication system
A method and apparatus for transmitting Multimedia Broadcast Multicast Service (MBMS) data for use in a Long Term Evolution (LTE) system is provided. The method includes generating information for use in determining whether a broadcast area changes on inter-cell movement of a terminal, generating a system information block (SIB) including the generated information, and broadcasting the SIM.
Interactive emergency visualization methods
Methods for emergency visualization are disclosed. The methods include a computer-implemented method for interactive emergency visualization that includes receiving a notification concerning an incident associated with a multi-floor structure, requesting location information from a user device geographically associated with the multi-floor structure, and receiving, in response to the request, a beacon identifier from the user device, the beacon identifier being associated with a beacon disposed within the multi-floor structure. The method also includes determining on which floor of the multi-floor structure the user device is located based on the beacon identifier and stored information indicating the location of the beacon and displaying a graphical map of the multi-floor structure and information indicating the specific floor on which the user device is located.
Venue-specific wireless access point location information creation and distribution
Crowdsourced information may be used to associate APs with a venue and creating a venue-specific information file based on this association. This can enable the mobile device to download a single venue information file for a venue in which the mobile device may stay for an extended period of time, which may alleviate or eliminate the need to download additional AP location information while at the venue.
Zone-based away messages
One embodiment provides a system for generating shopping incentives for users based on purchasing patterns of the users. The system performs operations including determining one or more zones within a venue based on wireless signals transmitted by one or more wireless sensors. The operations further include, for at least one zone, determining a current state associated with the zone, monitoring the zone, and, in response to detecting a device entering the zone, notifying the device of the current state associated with the zone. Each zone is assigned to a zone owner. A current state associated with a zone is based on a real-time location of a device carried by the zone owner.
Method and system for locating a wireless tracking device
A wireless tracking device can utilize a location detector, such as a GPS receiver or a short-range receiver, to provide locational information for the wireless tracking device. The wireless tracking device can transmit the locational information over a cellular network. Geofences can help manage location of the wireless tracking device. An analysis can be conducted at the wireless tracking device, at a server, or at some other appropriate location to assess integrity of the locational information. A determination as to whether the wireless tracking device is in an area can be based on the locational information and the integrity of the locational information.
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.
Systems and methods for enforcing wireless regulatory compliance
This disclosure relates to systems and methods for verifying that a device is using its Wi-Fi circuitry in compliance with the regulations governing the location in which the device is located. Embodiments discussed herein can verify the location using location verification tools that evaluate locally ascertainable factors that contribute to a probability determination of the device's location. Locally ascertainable factors include information that be gleaned from the surroundings of the device. The surroundings or environment in which the device resides may provide clues as to whether the device is located in a particular regulatory domain.
Terminal switching method, access device, terminal, and system
Embodiments of the present invention relate to the wireless communications field, and provide a terminal switching method, an access device, a terminal, and a system. The method includes: establishing, by a first access device, an NFC connection to a second access device; receiving, by the first access device, an authentication parameter that is sent by the second access device by using the NFC connection; and performing access authentication on a to-be-switched terminal according to the authentication parameter, and establishing a second connection to the to-be-switched terminal after the authentication succeeds. An NFC connection is established to a second access device, an authentication parameter that is sent by the second access device by using the NFC connection is received, access authentication is performed on a to-be-switched terminal according to the authentication parameter, and a connection is established to the to-be-switched terminal after the authentication succeeds.
System, method and device for transferring information via body coupled communication from a touch sensitive interface
A method, system and device for transferring specific information data to a user thereof comprising at least a first and a second body coupled communication (BCC), enabled devices forming a body area network (BAN), wherein the first BCC enabled device comprises a touch sensitive interface and the second BCC enabled device is worn by the user.
Mobile device sensor data subscribing and sharing
Techniques for mobile devices to subscribe and share raw sensor data are provided. The raw sensor data associated with sensors (e.g., accelerometers, gyroscopes, compasses, pedometers, pressure sensors, audio sensors, light sensors, barometers) of a mobile device can be used to determine the movement or activity of a user. By sharing the raw or compressed sensor data with other computing devices, the other computing devices can determine a motion state based on the sensor data. Additionally, in some instances, the other computing devices can determine a functional state based on the sensor data and the motion state. For example, functional state classification can be associated with each motion state (e.g., driving, walking) by further describing each motion state (e.g., walking on rough terrain, driving while texting).
Network access tiered based on application launcher installation
A mobile communication device. The device comprises a cellular radio transceiver, a processor, a memory, and a custom application launcher stored in the memory. When executed by the processor, the custom application launcher periodically sends a message to an application server, wherein the message informs the application server that the custom application launcher is installed on the mobile communication device and, responsive to initiation of a process of removing the custom application launcher, sends a removal message to the application server, wherein the removal message informs the application server that the custom application launcher is being removed from the mobile communication device.
Method and system for application provisioning
A system that incorporates teachings of the present disclosure may include, for example, a controller can be operable to generate a target list of subscribers by filtering a list of potential target users of an application existing on a source device by removing target subscribers from the target list of subscribers according to selection criteria. The controller can be further operable to transmit to devices of the target list of subscribers content associated with the application that when accessed invites the target list of subscribers to use the application, and to provision the application on at least one device associated with the target list of subscribers. Other embodiments are disclosed.
Processing voices of people during a VoIP call to externally localize in empty space
A method executed by electronic devices that provide voices of two people in a Voice over Internet Protocol (VoIP) call as binaural sound. The electronic devices process the voices with head-related transfer functions (HRTFs) so the voices externally localize to the two people at least one meter away in empty space where no physical object exists.
Crowd sourced audio data for venue equalization
Mobile devices may capture audio signals indicative of test audio received by an audio capture device of the mobile device; and send the captured audio and the zone designation to a sound processor to determine equalization settings for speakers of the zone of the venue. An audio filtering device may receive the captured audio signals from the mobile devices; compare each of the captured audio signals with the test signal to determine an associated reliability of each of the captured audio signals; combine the captured audio signals into zone audio data; and transmit the zone audio data and associated reliability to a sound processor configured to determine equalization settings for the zone based on the captured audio signals and the test signal.
Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus includes: an obtaining unit which obtains a stereo signal including an R signal and an L signal; a control unit which generates a processed R signal and a processed L signal by performing (i) a first process of convolving pairs of right- and left-ear head related transfer functions into the R signal so that a sound image of the R signal is localized at each of two or more different positions at a right side of a listener; and (ii) a second process of convolving pairs of right- and left-ear head related transfer functions into the L signal so that a sound image of the L signal is localized at each of two or more different positions at a left side of the listener; and an output unit which outputs the processed R signal and the processed L signal.
System and methods for processing stereo audio content
A system can include a hardware processor that can receive left and right audio signals and process the left and right audio signals to generate three or more processed audio signals. The three or more processed audio signals can include a left audio signal, a right audio signal, and a center audio signal. The processor can also filter each of the left and right audio signals with one or more first virtualization filters to produce filtered left and right signals. The processor can also filter a portion of the center audio signal with a second virtualization filter to produce a filtered center signal. Further, the processor can combine the filtered left signal, filtered right signal, and filtered center signal to produce left and right output signals and output the filtered left and right output signals.
Coded HOA data frame representation that includes non-differential gain values associated with channel signals of specific ones of the dataframes of an HOA data frame representation
When compressing an HOA data frame representation, a gain control (15, 151) is applied for each channel signal before it is perceptually encoded (16). The gain values are transferred in a differential manner as side information. However, for starting decoding of such streamed compressed HOA data frame representation absolute gain values are required, which should be coded with a minimum number of bits. For determining such lowest integer number (βe) of bits the HOA data frame representation (C(k)) is rendered in spatial domain to virtual loudspeaker signals lying on a unit sphere, followed by normalization of the HOA data frame representation (C(k)). Then the lowest integer number of bits is set to (AA). β e = ⌈ log 2 ( ⌈ log 2 ( K MAX · O ) ⌉ + 1 ) ⌉ ( AA )
Hearing aid tuning system and method
Systems and methods are provided herein that provide for hearing aid tuning.
Systems and methods for managing wireless communication links for hearing assistance devices
Various system embodiments comprise a plurality of devices adapted to wirelessly communicate with each other. The plurality of devices includes a battery-operated hearing assistance device adapted to be worn by a person. The hearing aid device includes a signal processing circuitry connected to a microphone and a receiver. At least one of the plurality of devices includes a link quality management device adapted to assess a link quality for a first wireless communication channel, provide channel metrics indicative of the assessed quality for the first wireless communication channel, and adjust wireless communication over the first wireless communication channel using the channel metrics for the first wireless communication channel.
Addition of virtual bass in the time domain
Provided are, among other things, systems, methods and techniques for processing an audio signal to add virtual bass. In one representative embodiment, an apparatus includes: (a) an input line that inputs an original audio signal in the time domain; (b) a bass extraction filter that extracts a bass portion of the original audio signal, which also is in the time domain; (c) an estimator that estimates a fundamental frequency of a bass sound within the bass portion; (d) a frequency translator that shifts the bass portion by a positive frequency increment that is an integer multiple of the fundamental frequency estimated by the estimator, thereby providing a virtual bass signal; (e) an adder having (i) inputs coupled to the original audio signal and to the virtual bass signal and (ii) an output; and (f) an audio output device coupled to the output of the adder.
Loudspeaker protection circuitry and methods
This application relates to methods and apparatus for thermal protection of a loudspeaker (102). A controller (106) is configured to generate a control signal (Gmod) for modulating the gain of a signal processing chain (101) that drives the loudspeaker. The controller is configured such that the control signal is generated as a function of each of: an indication of voice coil temperature of the loudspeaker (TVC); an indication of power dissipation in the voice coil of the loudspeaker (PVC); and an indication of a reservoir temperature (Tres) of a thermal reservoir for heat flow from the voice coil. The reservoir temperature may be an ambient temperature of the environment or a temperature of a component of the loudspeaker or apparatus that acts as a heat sink.
Controllable playback system offering hierarchical playback options
A first apparatus performs the following: determining, using microphone signals corresponding to a left microphone signal from a left microphone and a right microphone signal from a right microphone and using at least one further microphone signal, directional information of the left and right microphone signals corresponding to a location of a sound source; outputting a first signal corresponding to the left microphone signal; outputting a second signal corresponding to the right microphone signal; and outputting a third signal corresponding to the determined directional information. A second apparatus performs the following: determining, using microphone signals corresponding to a left microphone signal from a left microphone and a right microphone signal from a right microphone and using at least one further microphone signal, directional information of the left and right microphone signals corresponding to a location of a sound source; converting the left microphone signal, the right microphone signal and the directional information into a high quality left microphone signal and a high quality right microphone signal; and outputting a first signal corresponding to the high quality left microphone signal; and outputting a second signal corresponding to the high quality right microphone signal. Additional apparatus, program products, and methods are disclosed.
Head-mounted display device, control method for the same, and computer program
A head-mounted display device includes an image display unit which displays an image. The head-mounted display device includes: a microphone unit including an audio input unit which converts a sound into an electrical signal and capable of switching a position of the audio input unit between a plurality of positions; a position determination unit which determines which position of the plurality of positions the audio input unit is located at; and a mode switching control unit which switches an operation of the audio input unit and a display mode of the image display unit, respectively, on the basis of the determined position.
Electronic device and method for controlling the same
An electronic device of the present invention includes: a first body having an arch shape corresponding to the neck of a user so as to be worn around the neck of the user; second bodies respectively attached to both ends of the first body and including one or more joints by which the second bodies move relative to the first body; and a directional speaker provided to at least part of the second bodies to output sound in a specific direction. According to the present invention, a directional speaker is provided to a wearable device that can be worn around the neck of the user so as to effectively transmit sound to the user.
Loudspeaker bass reflex system
An acoustic insert for lining a loudspeaker reflex port, the insert comprising an elongate hollow tube formed of a flexible material, having an outer wall sized and configured to seat within the port and an inner wall extending in the elongate direction, the inner wall having a circumference which varies along the length of the insert, When inserted in a port, the insert alters the port resonance so as to vary the acoustic perfoi mance of the loudspeaker.
A headphone that has a support structure that is adapted to sit on a head or upper torso of a user, a first acoustic driver carried by the support structure such that the first acoustic driver is located off of an ear of the user, wherein the first acoustic driver has front and rear sides and sound is radiated from both sides of the first acoustic driver, and a structure that defines a first acoustic chamber on the front side of the first acoustic driver and with at least one opening therein, and a second acoustic chamber on the rear side of the first acoustic driver and with at least one opening therein. At low frequencies a polar pattern of the first acoustic driver behaves approximately like a dipole, and at high frequencies a polar pattern of the first acoustic driver exhibits a higher order directional pattern. A second acoustic driver can be included.
Case with inductive charging system to charge a portable device
A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
Hang up magnet for radio microphone
A system is disclosed for safely and efficiently removing or returning a radio microphone from a mounting surface. The system includes a first magnet attached to the rear side of a radio microphone and a second magnet located at a desired mounting position on the mounting surface. The second magnet preferably includes an outer vinyl layer to prevent breaking or cracking of the first second magnet when returning the radio microphone to its mounting position.
System and method for a transducer interface
According to an embodiment, an interface circuit includes a current replicator and a receiver. The current replicator includes a power terminal coupled to a first reference node, an output terminal configured to output a signal proportional to a signal received from a transducer, and an interface terminal coupled to the transducer. Using a single interface terminal, the current replicator may be configured to provide power to the transducer and receive output signals from the transducer. The receiver may include a first input terminal coupled to the output terminal, a second input terminal coupled to a second reference node, and a current converter circuit coupled to the first input terminal.
Ice resistant speaker
An ice resistant speaker is provided. The ice resistant speaker can be incorporated into a device comprising a housing having an outer surface and an inner surface opposite the outer surface. The ice resistant speaker comprises: an audio port at the housing, the audio port comprising: a cavity at the outer surface of the housing; an aperture through the housing, the aperture located in the cavity; and a speaker pill located in the cavity and forming a gap with sidewalls of the cavity, the speaker pill mounted in front of the aperture using one or more flexible pads; and, a speaker driver located adjacent the inner surface of the housing, and further adjacent the aperture.
Ingress protection for reducing particle infiltration into acoustic chamber of a MEMS microphone package
A surface-mountable MEMS microphone comprising a MEMS microphone die and an application-specific integrated circuit (ASIC) mounted inside a surface-mountable package housing, and fully enclosed therein. The surface-mountable package is a single, self-contained housing that provides an electrical interface to external circuitry for the enclosed MEMS microphone die and the ASIC, and provides electrical, physical, and environmental protection for the MEMS microphone die and the ASIC. The surface-mountable package allows external acoustic energy to enter the package interior via one or more acoustic ports and impinge on the diaphragm of the MEMS microphone die. The cover of the surface-mountable package comprises an acoustic port with ingress protection to limit dust and particle intrusion. The ingress protection can be a formed member that is part of the cover of the surface-mountable package having various shapes, an internal shield, or a combination of both a formed member and internal shield.
Loudspeaker system with improved sound
A loudspeaker device is presented which includes a zeolite material comprising zeolite particles having a silicon to aluminum mass ratio of at least 200. For an increased pore fraction of pores with a diameter in a range between 0.7 micrometer and 30 micrometer shows an increased shift of the resonance frequency down to lower frequencies has been observed.
Forensic analysis of resource consumption data
Following an explosion, fire, flood, water damage, or other event, consumption data of utility resources such as gas and water may be used to determine a cause of the event. For example, an interrogation may be used to read data logging data from a data collection device. The data logging data may include a record of consumption data for a resource spanning a time of an event. The data logging data may be analyzed to determine whether a utility providing the resource was responsible for the event.
Power metering system, method and system for monitoring power consumed by load
Disclosed embodiments relate to a power metering system, a method and a system for monitoring power consumed by loads by using the power metering system. In some embodiments, the system for monitoring power consumed by loads includes an external power supply source, a renewable energy sources, a distribution board, one or more power metering systems, and a monitoring server.
Centralized program guide
A processor-implemented method of accessing content is provided comprising a server composing a first list of broadcast content, wherein each entry in the first list comprises a link to access a broadcast content associated with the entry. The method also comprises the server composing a second list of stored content, wherein each entry in the second list comprises a link to access a stored content associated with the entry, and the server dynamically aggregating entries from the first list and the second list to compose a content guide. The method further comprises presenting at least a portion of the content guide on a display, wherein at least one entry from the first list and at least one entry from the second list are present at the same time on the display, and presenting content on the display based on selecting an entry from the guide.
Apparatus and method for processing an interactive service
A method of processing an interactive service and an apparatus thereof are disclosed. The present invention includes generating an application parameter table which includes information about at least one of applications, wherein the application parameter table includes a first identifier and a second identifier, wherein the first identifier identifies a interactive programming segment which application parameter table pertains to, and wherein the second identifier identifies an application within the scope of application parameter table; generating an activation message file that indicates at least one of activation times of the applications, wherein the activation message file includes a third identifier and activation messages, wherein the third identifier matches the first identifier of application parameter table which contains the applications, wherein the activation message includes a fourth identifier and a start time information, wherein the fourth identifier matches the second identifier of the application in the application parameter table, and wherein the start time information indicates the start time for an event targeted to the application relative to segment time; generating a multi-part message with the application parameter table as the first part and the activation message file as the second part; and transmitting the multi-part message to receiver via HTTP.
Synchronized advertisement playback across navigation experiences and transitional states
Systems and methods that effectuate synchronized advertisement playback across navigation experiences and transitional states, are provided. In an aspect, a system includes an advertisement component configured to play a pre-roll media advertisement associated with a first media item prior to playing of the first media item, a request component configured to receive a request play a second media item prior to completion of the pre-roll media advertisement, and a streaming component configured to initiate playing of the second media item in response to the request, wherein the advertisement component is configured to continue to play the pre-roll media advertisement prior to playing of the second media item.
Signal processing apparatus, signal processing method, and broadcasting system including the signal processing apparatus
Disclosed herein is a signal processing apparatus including a receiving unit configured to receive a signal transmitted through a media channel and a controller configured to determine whether the signal includes a data download command and to change a channel of the receiving unit to receive data when the signal includes the data download command.
Caption replacement service system and method for interactive service in video on demand
Provided is a caption replacement service system and method for servicing an interactive advertisement on a video on demand (VOD). A system for making an annotation may include an annotation creator configured to create annotation information on a moving object included in a video and an annotation player configured to play a preview on the annotation information based on a frame unit or a shot unit of the video. The video and the annotation information may be used to provide an interactive advertisement by replacing a caption system of the video with a meaningful annotation.
Distributed interactive television program guide system and method
In an interactive network-based personal video recording system, a user interface is provided that allows viewers to search a database of program guide information according to program title, indexed program attributes such as actor and director, and key word. Viewer interaction is by way of a remote control unit.
System, device and method for viewing and controlling audio video content in a home network
An audio/video device may determine that a UI is displayed in a first AV signal, and may capture a frame of the UI in order to provide UI information to a UI generation component that generates a second UI. The AV device may then provide the second UI for display in place of the first UI. The AV device may act as a virtual controller device capable of controlling multiple devices and streaming content from multiple devices to multiple displays.
Image device, receiving method of contents, server and providing method of contents
An image device, a receiving method of contents, a server, and a providing method of contents are provided. The image device includes: a communication unit which communicates with a server that provides content received from a content provider; a display unit; at least one application execution unit which executes the content; and an application controller which controls the communication unit to receive the content corresponding to a log-in user from the server and displays, on the display unit, reception information indicating reception of the content based on a user ID for the log-in user to be logged in to the image device and a token which matches the user ID to a content ID for the log-in user to be connected to the content provider.
Systems and methods for synchronization based on audio track changes in video editing
Video clips may be automatically edited to be synchronized for accompaniment by audio tracks. A first version of a video clip may be made up from stored video content. The first version of the video clip may include one occurrences of video events. An audio track may include audio event markers. The first version of the video clip may be synchronized so that moments within the video clip corresponding to occurrences of video events are aligned with moments within the audio track corresponding to audio event markers. Changes to the audio track may be determined. A second version of the video clip may be synchronized so that moments within the video clip corresponding to occurrences of video events are aligned with moments within the changed audio track corresponding to audio event markers.
Systems and methods for facilitating planning of a future media consumption session by a user of a media program distribution service
An exemplary method includes a media service provider system providing a browse view for display on a display screen associated with a user during a first media consumption session, detecting a selection by the user of a planning option, the selection of the planning option indicating that the user plans to consume at least one media program during a second media consumption session that is subsequent to the first media consumption session, presenting a user interface that allows the user to specify one or more parameters associated with the second media consumption session, detecting user input specifying the one or more parameters, identifying one or more media programs that are available for consumption by the user during the second media consumption session, and presenting listing information associated with the identified one or more media programs. Corresponding systems and methods are also described.
Portable terminal, information processing apparatus, content display system and content display method
A portable terminal includes a receiving unit which receives content information, an external device communication unit which conducts communication with an external information device, a display unit which displays the content information received by the receiving unit, an acquiring unit which acquires identification information identifying the content information displayed by the display unit, an operation unit which receives an operation indication from a user, and a control unit which conducts control such that if a transmission indication of the identification information is received by the operation unit while the content information is being displayed, the identification information acquired by the acquiring unit is transmitted to the external information device and the display of the content information by the display unit is terminated.
System and method for providing related content at low power, and computer readable recording medium having program recorded therein
Provided is a system for providing related content comprising the steps of: sensing a sound output from a content reproducing device for reproducing content (referred to as “main content”); converting the sensed sound into digital data; extracting an acoustic wave ID from the digital data; selecting related content corresponding to the acoustic wave ID; and displaying the related content in an image and/or speech by a mobile receiver.
Methods and apparatus for using location information to manage spillover in an audience monitoring system
Methods, apparatus, and articles of manufacture for using location information to manage spillover in an audience monitoring system are disclosed. An example method involves identifying a first location of a portable metering device at a first time based on a plurality of location coordinates received from a location information system. The example method also involves generating media monitoring information corresponding to a media signal received at the first time. Additionally, the example method involves identifying the media monitoring information as being associated with a spillover signal in response to determining that a media delivery device is not located at the first location of the portable metering device at the first time.
Media content playback system and method
An apparatus for switching media content playback from a first playback device to a second playback device across a plurality of playback devices may include a controller programmed to detect a change in location of a portable device from a first media zone including a first playback device to a second media zone including a second playback device, determining a playback position of currently played media content provided from a first media source to the first playback device, identify a second media source that is available at the second media zone, and control the second media source to transmit the currently played media content to the second playback device to switch playback from the first playback device to the second playback device at the playback position.
Secure information exchange between devices using location and unique codes
Software receives a communication from a smart-television device. The communication includes a device identifier for the smart-television device and a geo-location for the smart-television device. The geo-location results from collaborative location detection that uses stored geo-positions previously received from one or more mobile devices positioned proximate to the smart-television device. The software causes the smart-television device to display a first view that includes a visual icon and a message identifying a connected-television service. The software receives a geo-position for a mobile device. Upon determining that the geo-location of the smart-television device is proximate to the geo-position of the mobile device, the software causes the mobile device to display a second view that includes the visual icon. The software receives a communication from the mobile device that indicates a match between the visual icon in the first view and the visual icon in the second view and connects the devices.
Electronic device and method for controlling the same
An electronic device and a method for controlling an electronic device are disclosed. The electronic device includes: a display unit; a voice input unit; and a controller displaying a plurality of contents on the display unit, receiving a voice command for controlling any one of the plurality of contents through the voice input unit, and controlling content corresponding to the received voice command. Multitasking performed by the electronic device can be effectively controlled through a voice command.
Method and system for communicating customer service requests
A communication system and method of operating the same includes a conditional access module and a customer service module customer service request signal. A handler receives the customer service request signal. The handler determines a communication path to the conditional access module through a connection pool and assigns the communication path for the customer service request signal. The handler communicates the request through the communication path and returns the path to the connection pool when communicating is complete.
Using time-stamped event entries to facilitate synchronizing data streams
An embodiment of a system to synchronize data streams is described. During operation, the system receives a first data stream having a first data type and performs a sequence of operations on at least a portion of the first data stream. Next, the system stores metadata associated with the first data stream one or more times during the sequence of operations. Metadata can include a time stamp, data-stream information associated with the portion of the first data stream, and event information associated with the occurrence of one or more events during the sequence of operations. Moreover, the system provides a notification based on the stored metadata, the notification to facilitate synchronizing the first data stream with a second data stream having a second data type.
Dynamic programming across multiple streams
Various implementations disclosed herein enable a more efficient allocation of one or more shared network resources (e.g., bandwidth, memory, processor time, etc.) amongst a number of client devices based on media content data complexity and client device resource constraints in order to better manage perceptual playback quality of adaptive streaming content. In some implementations, a method includes aligning sequences of one or more temporal segments; and, selecting segment representations for each temporal segment based on a combination of the sequence alignment and perceptual quality level values associated with available segment representations, such that a combination of resulting perceptual quality levels satisfies a joint quality criterion. Each sequence is associated with one of a number of client devices sharing a network resource. The one or more temporal segments of each sequence are used to provide segment representations of media content data to one of the client devices.
Method and system for auditing multimedia content
The embodiments herein provide a system and method for auditing a plurality of multimedia content, creating a contextual cycle of multimedia contents, and associating the plurality of the multimedia content with a source. The system comprises a plurality of multimedia input sources configured for receiving a plurality of multimedia content, an analysis and recognition module connected to the plurality of multimedia input sources and configured for analyzing and recognizing the plurality of the received multimedia contents, and an auditing console communicatively coupled with the analysis and recognition module.
Image processing apparatus for recognizing that a moving image is not properly coded
An image processing apparatus includes a coding unit configured to code first moving image data, a generation unit configured to generate second moving image data having a smaller number of pixels than the first moving image data, and an adding unit configured to, in a case where the first moving image data is not properly coded by the coding unit when the second moving image data is generated while the first moving image data is coded, add to the second moving image data predetermined information for identifying that the first moving image data is not properly coded.
Methods and apparatus for deblocking filtering of non-local intra prediction
Methods and apparatus are provided for deblocking filtering on non-local intra prediction. An apparatus includes an encoder for encoding picture data using non-local intra prediction. The encoder includes a deblocking filter configured for use with non-local intra prediction modes so as to deblock filter at least a portion of the picture data encoded using the non-local intra prediction.
Method and device for optimizing encoding/decoding of compensation offsets for a set of reconstructed samples of an image
The present invention provides a method and a device for coding and decoding at least a part of an image comprising a plurality of samples, each sample comprising at least two components, and the encoded image comprising at least one filtering parameter. The filtering comprises using at least one filtering parameter as a common filtering parameter for filtering both the first component and the second component of a reconstructed sample.
Video decoder architecture for processing out-of-order macro-blocks of a video stream
A video decoder architecture for processing out-of-order macro-blocks of a video stream. A microcode engine receives compressed data representing macro-blocks of a frame of a video stream, wherein at least one macro-block is received out-of-order. The microcode engine is for buffering the compressed data and for ordering the macro-blocks of the frame in raster scan order. A digital video decoder receives the macro-blocks in raster scan order and is for decoding the macro-blocks.
Image prediction encoding/decoding system
An encoding target region in an image can be partitioned into a plurality of prediction regions. Based on prediction information of a neighboring region neighboring a target region, the number of previously-encoded prediction regions in the target region, and previously-encoded prediction information of the target region, a candidate for motion information to be used in generation of a predicted signal of the target prediction region as a next prediction region is selected from previously-encoded motion information of regions neighboring the target prediction region. According to the number of candidates for motion information selected, merging block information to indicate generation of the predicted signal of the target prediction region using the selected candidate for motion information and motion information detected by prediction information estimation means, or either one of the merging block information or the motion information is encoded.
Apparatus for decoding moving picture
Provided is an apparatus for decoding a moving picture that determines a quantization step size of a previous coding block according to scan order as the quantization step size predictor of the current coding block when a quantization step size of a left coding block of a current coding block and a quantization step size of an above coding block of the current coding block are unavailable and determines an available motion vector encountered first when retrieving motion vectors in the order of motion vector of a first predetermined position and motion vector of a second predetermined position in a reference picture as a temporal motion vector candidate. Therefore, it is possible to reduce the amount of coding bits required to decode motion information and the quantization step size of the current prediction block.
Apparatus for decoding moving picture
Provided is an apparatus for decoding a moving picture that determines a quantization step size of a previous coding block according to scan order as the quantization step size predictor of the current coding block when a quantization step size of a left coding block of a current coding block and a quantization step size of an above coding block of the current coding block are unavailable and determines an available motion vector encountered first when retrieving motion vectors in the order of motion vector of a first predetermined position and motion vector of a second predetermined position in a reference picture as a temporal motion vector candidate. Therefore, it is possible to reduce the amount of coding bits required to decode motion information and the quantization step size of the current prediction block.
Image decoding method and apparatus using same
The present invention includes an image information decoding method which comprises: a step of receiving a bitstream that includes a network abstraction layer (NAL) unit including information related to an encoded image; and a step of parsing an NAL unit header of the NAL unit. The NAL unit header includes layer information including reserved_one_5bits for identifying an extended layer in an extended bitstream and temporal_id for identifying a temporal layer of a bitstream. The reserved_one_5bits of the layer information is received prior to the temporal_id of the layer information. Thus, a method for describing scalability information in a hierarchical bitstream is provided.
Coding method and coding apparatus
The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is one of “ref_idx_l0” and “ref_idx_l1”.
Determining intra prediction mode of image coding unit and image decoding unit
A method for decoding an image including performing intra prediction on a chrominance block according to whether the intra prediction mode of the chrominance block is equal to an intra prediction mode of a luminance block.
Picture decoding device, picture decoding method, and picture decoding program
There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.
Arithmetic decoding device, image decoding apparatus, arithmetic coding device, and image coding apparatus
There is provided a terminal device capable of efficiently performing communication in a communication system in which a base station device and the terminal device communicate with each other. The terminal device that communicates with the base station device by using a plurality of aggregated cells recognizes that a serving cell is stopped in a first state, recognizes that the serving cell is started in a second state, and switches from the first state to the second state based on a received PDCCH.
Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
The image coding method includes: determining a context in a current block in the image, from among a plurality of contexts; and performing arithmetic coding on the control parameter for the current block to generate a bitstream corresponding to the current block, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is (i) “merge_flag”, (ii) “ref_idx_l0” or “ref_idx_l1”, (iii) “inter_pred_flag”, (iv) “mvd_l0” or “mvd_l1”, (v) “no_residual_data_flag”, (vi) “intra_chroma_pred_mode”, (vii) “cbf_luma”, and (viii) “cbf_cb” or “cbf_cr”.
Nested entropy encoding
Methods and systems for improving coding decoding efficiency of video by providing a syntax modeler, a buffer, and a decoder. The syntax modeler may associate a first sequence of symbols with syntax elements. The buffer may store tables, each represented by a symbol in the first sequence, and each used to associate a respective symbol in a second sequence of symbols with encoded data. The decoder decodes the data into a bitstream using the second sequence retrieved from a table.
Content adaptive entropy coding of coded/not-coded data for next generation video
Techniques related to content adaptive entropy coding of coded/not-coded data are described.
Image processing apparatus and method
An image processing apparatus and a method for improving the coding efficiency for a quantization parameter are provided. The method includes steps of setting a predicted quantization parameter for a current coding unit by using multiple quantization parameters which are set for multiple surrounding coding units located around the current coding unit which is target of coding processing, and setting a difference quantization parameter indicating a difference value between the quantization parameter which is set for the current coding unit and the predicted quantization parameter.
Image processing apparatus and method
The present disclosure relates to an image processing device and a method capable of suppressing the reduction of an image quality due to encoding/decoding. The image processing device includes: a quantization unit that when orthogonal transform processing is skipped with respect to a current block, quantizes all components of the current block using one weighting coefficient and when the orthogonal transform processing is performed on the current block, quantizes each component of the current block using a quantization matrix; an encoding unit that encodes the coefficient of the current block which is quantized by the quantization unit; and a transmission unit that transmits the coded data of the current block which is obtained by being encoded by the encoding unit. The present disclosure can be applied to, for example, an image processing device.
Method and system for video picture intra-prediction estimation
Several systems and methods for intra-prediction estimation of video pictures are disclosed. In an embodiment, the method includes accessing four ‘N×N’ pixel blocks comprising luma-related pixels. The four ‘N×N’ pixel blocks collectively configure a ‘2N×2N’ pixel block. A first pre-determined number of candidate luma intra-prediction modes is accessed for each of the four ‘N×N’ pixel blocks. A presence of one or more luma intra-prediction modes that are common among the candidate luma intra-prediction modes of at least two of the four ‘N×N’ pixel blocks is identified. The method further includes performing, based on the identification, one of (1) selecting a principal luma intra-prediction mode for the ‘2N×2N’ pixel block and (2) limiting a partitioning size to a ‘N×N’ pixel block size for a portion of the video picture corresponding to the ‘2N×2N’ pixel block.
Method and device for simplifying encoding and decoding of ultra-high definition images
Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.
Image transmitting device to enhance security of parked vehicle
In order to enhance security of a parked vehicle, an image transmitting device to be mounted on a vehicle includes: a checking unit that checks, at a parking place of the vehicle, communicability with an external device outside of the vehicle, that is, whether an image can be transmitted from the parking place to the external device; a providing unit that provides notification information based on a result of the checking by the checking unit; a capturing unit that captures an image while the vehicle is parked; and a transmitting unit that transmits the image captured by the capturing unit to the external device.
3-dimensional image display device
A 3-dimensional image display device includes a signal controller, a data driver, a display panel, and glasses. The signal controller includes a reference gamma data generator to correct image data. The data driver includes a gray voltage generator to generate a gray voltage based on the corrected image data. The display panel displays left-eye and right-eye images based on a data voltage from the data driver. The lenses of the glasses are controlled by a glasses synchronization signal from the signal controller, to compensate for charging rates of the left-eye and right-eye images.
Video display device
A video processing device is provided, in which the cross-talk is prevented from increasing while the Moiré pattern is diminished. A video display device displays multiple-parallax video using a parallax barrier method, the video display device comprising: a display unit displaying pixel columns of a given image and pixel columns of one or more parallax images corresponding to the given image, all of the pixel columns being arranged in predetermined order; and a parallax barrier arranged at a predetermined distance from an image display face of the display unit, and having a plurality of elongated passing regions passing light rays from the display unit, wherein at least one of the passing regions has a waveform formed at a longitudinal edge thereof, and at least one waveform includes two wave units that differ in terms of wave height or wave width.
Information processing apparatus, image capturing apparatus, control system applicable to moveable apparatus, information processing method, and storage medium of program of method
An information processing apparatus for processing stereo images of an object includes a disparity calculator to calculate a disparity of the stereo images. The disparity calculator includes an evaluation value calculator to calculate a correlation evaluation value in a search range set for the stereo images; an extreme value detector to detect an extreme value of the correlation evaluation value; a threshold setting unit to set a threshold range for the detected extreme value; a counting unit to count the number of the extreme value existing within the threshold range; and an updating unit to update the set threshold range to a new threshold range when a new extreme value indicating a higher correlation level of the disparity compared to the set threshold range is detected. The counting unit counts the number of the extreme value in a threshold range updated most recently in the search range.
Hardware-based convolutional color correction in digital images
A computing device may obtain an input image. The input image may have a white point represented by chrominance values that define white color in the input image. Possibly based on colors of the input image, the computing device may generate a two-dimensional chrominance histogram of the input image. The computing device may convolve the two-dimensional chrominance histogram with a filter to create a two-dimensional heat map. Entries in the two-dimensional heat map may represent respective estimates of how close respective tints corresponding to the respective entries are to the white point of the input image. The computing device may select an entry in the two-dimensional heat map that represents a particular value that is within a threshold of a maximum value in the heat map, and based on the selected entry, tint the input image to form an output image.
Reproduction method and reproduction apparatus
In a reproduction method, a first video stream has a first dynamic range where a maximum value of a luminance dynamic range is more than 100 nits, and a display apparatus displays video in a second dynamic range narrower than the first dynamic range. The method includes: determining whether the first video stream is quantized based on a hybrid OETF; (i) when it is determined that the first video stream is quantized based on the hybrid OETF, reproducing the first video stream; and (ii) when it is determined that the first video stream is not quantized based on the hybrid OETF, converting a luminance dynamic range of the first video stream from the first dynamic range to the second dynamic range to obtain a second video stream, and reproducing the second video stream.
Image processing method and image projection device
There is provided an image processing method including detecting a distorted image before correction projected on a screen by a projection-type image display device, searching for a same shape as an input image having a maximum area inside the distorted image, and correcting the input image in a manner that the distorted image becomes the searched-for shape having the maximum area.
Image processing methods, and image processing devices and system for a scalable multi-projection system
An image processing device processes a first sub-image of an image split into sub-images. Each sub-image is displayable by a display device. The image processing device is associated with a first display device and connects to a source device through a first network and to another image processing device through a second network. The image processing device includes first and second receiving units and a generating unit. The first receiving unit receives the first sub-image from the source device via the first network. The second receiving unit receives, via a second network, at least one part of at least one second sub-image to be displayed by another display device, wherein the received at least one part is adjacent to the received first sub-image. The generating unit generates a first clustered sub-image to be displayed by the first display device, based on the received first sub-image and adjacent part.
Robotically controlled entertainment elements
A robotic mount is configured to move an entertainment element such as a video display, a video projector, a video projector screen or a staircase. The robotic mount is movable in multiple degrees of freedom, whereby the associated entertainment element is moveable in three-dimensional space. In one embodiment, a system of entertainment elements are made to move and operate in synchronicity with each other.
Optical device and image display device
An optical device includes a glass plate, a movable section that supports the glass plate, a shaft section that supports the movable section so as to be swingable around the swing axis, a support section that supports the shaft section, a permanent magnet that is provided in the movable section and is thinner than the glass plate, and a pair of coils that are disposed opposite to each other with the permanent magnet interposed therebetween. The movable section includes thin wall portions that are thinner than the glass plate. The permanent magnet is disposed in the thin wall portions. In side view, the surface of each of the coils on the permanent magnet side is located between both the main surfaces of the glass plate.
Color measurement and calibration
Embodiments described herein disclose a color measurement device and method for use with cameras or other imaging devices. The color measurement device may be configured to determine many different colors via a commonly owned device. Embodiments utilize sinusoidal grayscale rings to determine an exact color match of an unknown color, even if there is perspective distortion of an obtained image.
In-vehicle monitoring system and in-vehicle monitoring method
An in-vehicle monitoring system including monitoring cameras and emergency call devices, a display unit, and an information control device, and monitoring inside of a vehicle by using images taken by the monitoring cameras, wherein a table, in which IP addresses of the emergency call devices and IP addresses of the monitoring cameras are stored in association with each other in a one-to-one relationship or a one-to-many relationship, is set in the information control device, and upon receiving a call signal from an operated emergency call device, the information control device specifies an IP address of a monitoring camera corresponding to the operated emergency call device from the IP addresses of the monitoring cameras based on the table, selects imaging data from the specified monitoring camera from pieces of imaging data from the monitoring cameras, and transmits it to the display unit.
Method and system for converting privacy zone planar images to their corresponding pan/tilt coordinates
A method and system for converting privacy zone corner points in a still image to PTZ coordinates using the equations for distance along the great circles of a sphere, where the sphere is defined along the pan-tilt axes of a PTZ camera with radius equal to the focal length of the image. The method includes receiving planar coordinate data defining a plurality of privacy zone corner points, the planar coordinate data taken from a still image, converting each privacy zone corner point to corresponding spherical coordinates, converting each of the corresponding spherical coordinates to corresponding PTZ coordinates, and storing the corresponding PTZ coordinates in a storage device. The stored PTZ coordinates may then be transmitted to a computer monitor. The motor of the PTZ camera moves the camera according to the PTZ coordinates until the privacy zone corner points appear at the substantial center of the monitor screen.
A multi-vision device can include a first display set configured to display a first split image of an entire image of content according to a progressive scanning method; a second display set disposed on a lower side of the first display set to display a second split image of the entire image; and a control unit configured to scan the second split image on the second display set according to a reverse-progressive scanning method, invert the scanned second split image vertically and display the inverted second split image on the second display set.
Imaging device, imaging method, and image processing device
An imaging device 10 according to one aspect of the present invention includes: a subject distance acquisition section 115; a movement amount acquisition section 120 that acquires an amount of movement of the subject on the basis of the subject distance; a restoration processing determination section 125 that determines, on the basis of the amount of movement acquired by the movement amount acquisition section 120, whether the restoration processing should be performed on the images through a restoration filter, a restoration strength of the restoration processing should be adjusted and the restoration processing should be performed on the images, or the restoration processing should not be performed on the images; and a restoration processing execution section 105 that performs the restoration processing on the images through the restoration filter or with the adjusted restoration strength, on the basis of the determination of the restoration processing determination section 125.
Solid-state imaging device controlling read-out of signals from pixels in first and second areas
A solid-state imaging device includes a plurality of pixels each including a photoelectric conversion unit, a charge accumulating portion accumulating signal charges transferred from the photoelectric conversion unit, a floating diffusion portion accumulating signal charges transferred from the charge accumulating portion, and a read-out unit transferring signal charges from the charge accumulating portion to the floating diffusion portion and output a signal corresponding to the signal charges, and a control unit controlling the read-out unit to start, after starting read-out of signals of one frame from the charge accumulating portions, an accumulation of signal charges for a next frame at the photoelectric conversion units simultaneously, and to start, before completing the read-out of the signal of the one frame, an accumulation of signal charges at the charge accumulating portion of a pixel among the plurality of pixels from which the signal of the one frame is already read out.
Multiple streaming camera navigation interface system
A multiple streaming camera interface system includes a data processor and a network interface that establishes a data link to a streaming server. The streaming server is in communication with one or more camera streams generated by corresponding ones of imaging devices capturing footage from specific locations. A streaming client is connectible to the streaming server over the data link. The one or more camera streams are selectively relayed by the streaming server to the streaming client. A graphical interface is executed by the data processor, and a first one of the one or more camera streams, which includes a hotspot to a second one of the one or more camera streams, is displayed on the graphical interface. In response to an activation of the hotspot, the second one of the one or more camera streams is displayed on the graphical interface.
Image pickup apparatus capable of reducing influence of flicker, method of controlling the same, and storage medium
An image pickup apparatus capable of reducing influence of flicker while suppressing delay of start of photographing. An image pickup device and a photometric sensor pick up images of an object. A CPU obtains images by controlling driving of one of the device and the sensor to perform charge accumulation and charge readout. Further, the CPU detects a flicker frequency and a flicker phase of a flicker light source, and stores them in a memory as first information. When photographing, if the CPU determines that the first information is not valid, an ICPU obtains images by controlling driving of the other of them to perform charge accumulation and charge readout. Further, the ICPU detects the flicker frequency and the flicker phase and stores them in a memory as second information. The CPU controls exposure timing according to the second information to perform photographing.
Information communication method
An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure lines. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, and obtaining identification information of the subject by demodulating data specified by a pattern of the plurality of bright lines. The method further includes sending (i) the identification information and (ii) language identification information to a server, obtaining a content identified by the identification information from the server, and displaying the translated content.
Image processing apparatus and method, and image capturing apparatus
An image processing apparatus that corrects an image using an image signal obtained by performing shooting by an image sensor which includes a plurality of photoelectric conversion portions that correspond to each of a plurality of microlenses and performs photoelectric conversion on a light flux that enters via an imaging optical system including an image stabilization optical system configured to correct a camera shake, comprising: a first obtaining unit that obtains the image signal and a driving state of the image stabilization optical system at a time of image shooting; a second obtaining unit that obtains correction values for correcting variation in defocus amounts occurred due to driving of the image stabilization optical system; and a refocus unit that corrects the variation in defocus amounts by refocusing on the basis of the correction values.
Semiconductor device, correction method in semiconductor device, and correction method of camera module
An object of the present invention is to provide a semiconductor device that can suppress the cost of a camera module from increasing.Provided is a semiconductor device which is coupled to a device that outputs positional information representing a position and includes a first external terminal to which the positional information is supplied, and a second external terminal. Sensitivity deviation information representing the deviation of the sensitivity of the device is received through the second external terminal, and a gain to amplify the positional information from the first external terminal is set on the basis of the sensitivity deviation information. Further, the first external terminal and the second external terminal are the same external terminals, and the positional information and the sensitivity deviation information are supplied in a time-division manner.
Electronic apparatus, method of transmitting data asynchronously and optical image stabilization module
Provided are an electronic apparatus in which a duplicate data transmission is prevented even if the data is asynchronously transmitted and received, a method of transmitting data asynchronously, and an optical image stabilization module. An electronic apparatus includes a control unit configured to request a data transmission according to a main clock signal, and a first circuit unit configured to transmit data corresponding to the data transmission request to the control unit, according to a first clock signal, wherein the first clock signal is asynchronous with the main clock signal, and the first circuit unit is further configured to set a flag during a period of the first clock signal in which the data transmission request is input to check for a duplicate data request.
Communication apparatus, control method of communication apparatus and program that controls power source of a different communication apparatus
A communication apparatus of the present invention includes a first acquisition unit configured to acquire first information that causes the communication apparatus to decide whether a different communication apparatus has a function to disconnect a power source according to an instruction from the communication apparatus, a second acquisition unit configured to acquire second information that shows an operation mode of the different communication apparatus, and a notification unit configured to notify a user that, in a case where the wireless communication with the different communication apparatus is disconnected, the different communication apparatus is instructed to disconnect the wireless communication and disconnect the power source of the different communication apparatus according to the first information and the second information.
Augmented video capture
Embodiments described herein may allow for dynamic image capture based on biometric data. An example device may include an image-capture device and a control system configured to: cause the image-capture device to capture video data; receive biometric data, which may be generated synchronously with the video data, from one or more sensors; while the image-capture device is capturing video data, control at least one image-capture setting of the image capture device based, at least in part, on the biometric data. The at least one image-capture setting affects the captured video data.
Imaging device and focusing control method
The present invention provides an imaging device and a focusing control method capable of reliably preventing the accuracy of a focusing control from being lowered even in a case where a signal level of a phase difference detection pixel is low. A system control unit (11) calculates, using detections signals of phase difference detection pixels (52A, 52B) obtained by each of two instances of imaging which are consecutively performed by an imaging element (5), first defocus amounts for each instance of imaging, adds up detection signals corresponding to the detection signals of the phase difference detection pixels (52), among captured image signals obtained by each of two instances of imaging, calculates a second defocus amount using signals after addition, and compares the plural of first defocus amounts and the second defocus amount to determine whether to perform a focusing control based on the second defocus amount.
Control apparatus, method of controlling the same, and storage medium
A control apparatus comprises a determination unit configured to determine a region defined by a pair of first coordinate values and a pair of second coordinate values which are designated on a captured image displayed on a display unit; a display control unit configured to control the display unit to display, when the region exceeds a display range of the captured image in accordance with an operation of designating at least one of the pair of first coordinate values and the pair of second coordinate values, a predetermined image including at least a part of the region on a portion that has exceeded the range while holding the region; and an output unit configured to output a command for obtaining a captured image corresponding to the region displayed and controlled by the display control unit.
Image sensor having light field mode and conventional mode
Provided is an image sensor. The image sensor may include a plurality of first lenses disposed on a substrate, and a plurality of second lenses disposed on a structure disposed on the substrate suitable for changing the distance between the first and second lenses from a first minimum distance wherein the image sensor operates in a first mode to a second maximum distance wherein the image sensor operates in a second mode.
Camera device and method for controlling a camera device
A method for providing enhanced functionalities by an electronic device includes detecting whether a charging stand is attached to or is in proximity to the electronic device; automatically performing a pairing procedure by the electronic device and the charging stand to pair the electronic device with the charging stand when it has been detected that the charging stand is attached to or is in proximity to the electronic device; and operating in a driving recorder mode by the electronic device to provide video recording and positioning functionalities when the pairing procedure has been successful.
Mechanically isolated external connector
An imaging system includes a housing, circuitry within the housing, and a connector coupled to the circuitry and extending from the housing for electrical and mechanical connection with a personal electronic device. The connector can be secured to the housing using a connector support that is resilient and flexible. The connector can be electrically coupled to a main printed circuit board assembly using a flexible circuit. The resilient connector support can be configured to allow movement of the connector relative to the housing. The flexible circuit is configured to maintain electrical connection to the main printed circuit board assembly when the connector moves relative to the housing. The imaging system can be a thermal imaging system and may include an infrared camera core.
Provided herein are imaging cassettes for detecting a luminescent and/or radioactive signals. Such cassettes are useful in common biological assays, e.g., immunoassays, nucleotide detection assays, and other affinity assays.
Image processing apparatus, image processing method, and program
Noise is sufficiently reduced in a moving image.A determination section determines, each time an input image is input, whether a change amount of a pixel value distribution in the input image and an output image that is output is smaller than a predetermined threshold value. A mixing ratio supply section supplies a value that becomes larger as the number of times the change amount is sequentially determined to be smaller than the predetermined threshold value becomes larger, the value serving as a mixing ratio of the output image in mixing of the input image and the output image. A mixing section mixes, each time the input image is input, the input image and the output image based on the supplied mixing ratio and outputs the input image and the output image to serve as a new output image.
Image processor, image display device, and image processing method for correcting input image
According to one embodiment, an image processor includes a processor. The processor implements acquiring a first image and first information. The first information indicates a condition of a first projection surface. The first information includes a first color gamut of the first projection surface. The processor implements deriving a second color gamut according to the first color gamut derived by using the first information. The processor implements converting a chromaticity of the first image to obtain a second image. Each pixel of the second image has a color included in the second color gamut. The processor implements generating a first converted image by correcting the second image based on the first color gamut.
Visible multiple codes system, method and apparatus
This invention refers to a data encoding system, a software basis, a data recording medium, a data read/write system, and methods and apparatus to make them thereof, all of which are based on a Multiple Codes System of more than two colors dots. The Multiple Codes system of more than two colors dots comprises more than two distinct colors as multiple codes for directly representing bits of bytes of data encoded by the system. The visible multiple colors may comprise bytes of data written in a software language for being read by an operating system or a program. The system also includes a bit/byte system with a format and rules of using a group of specific number of bits per byte including 8 bit/byte, 16 bit/byte, 32 bit/byte, 64 bit/byte, 128 bit/byte . . . or other higher numbers of bit/byte.
Information processing apparatus, information processing method, and non-transitory computer readable medium
An information processing apparatus is provided with a specifying unit, an output control unit, and an event detecting unit. The specifying unit specifies an operator who inputs an output request for outputting an output object. The output control unit controls an output process in accordance with the output request. The event detecting unit detects an event having a possibility that the operator stops immediate output of the output request. Even in a case where the output control unit is instructed from the operator to perform an immediate output process of the output request when the operator is specified and where the operator is specified, the output control unit stops the immediate output process of the output request in a case where the event detecting unit detects the event.
Image forming apparatus
An image forming apparatus includes a first controller, a display panel, a touch panel, a timer, a first storage unit storing a timeout period, and a first communication unit communicating with an external apparatus. When a user selects a predetermined service provided by the image forming apparatus, the first storage unit changes the timeout period to a value obtained from an external apparatus providing the selected service. The first controller uses the changed timeout period to determine whether or not a timeout process is to be performed.
Operation unit and image forming apparatus
An image forming apparatus includes a panel portion connected with a control portion of an apparatus body and being capable of executing at least one of functions of displaying information obtained from the control portion and of inputting information to the control portion, and an antenna capable of transmitting/receiving radio waves to/from a mobile terminal brought close to the antenna. The NFC substrate can make communication between the mobile terminal brought close to the antenna and the control portion by a near field communication system. The antenna is provided under and in a vicinity of the panel portion in a front view of the panel portion.
Information processing apparatus, information processing system, and information processing method
An information processing apparatus according to an aspect of the present invention includes a display unit, a storage unit, an accepting unit, and an association control unit. The accepting unit accepts an operation. The association control unit performs control of associating operation information indicating the operation accepted by the accepting unit and an image of a region, which corresponds to the operation accepted by the accepting unit, on a screen displayed on the display unit into an associated set and storing the associated set in the storage unit.
Communication apparatus, method of controlling communication apparatus and storage medium that reduce user operation load for printing an image
A communication apparatus, comprises a wireless communication unit configured to provide a wireless parameter to an image processing apparatus that processes data of the communication apparatus; and a control unit configured to, in a case where the wireless parameter can be shared with the image processing apparatus by the wireless communication unit, cause the image processing apparatus to execute processing of the data without receiving a selection of an image processing apparatus.
Printing system, print output device, and program for generating display data of display screen
A printing system includes: a print output device arranged inside a predetermined LAN; a first server arranged outside the predetermined LAN; and an information terminal configured to transmit, to the first server, a print request indicating that a print output related to a designated file is to be performed in the print output device, wherein the first server transfers the print request to the print output device when receiving the print request from the information terminal, and the print output device generates display data of a print preview screen based on print setting included in the print request and transmits the display data to the information terminal.
Transmission of facsimiles via internet protocol over public networks
A computer system maps unique addresses to the conventional fax numbers of conventional fax devices (such as conventional fax machines and computing devices having conventional fax capabilities). A transmitting user who is connected to the Internet may send an IP fax to a receiving user who is also connected to the Internet by addressing the receiving user using the receiving user's unique address, even if the sending user and receiving user are not within the same local network. A server outside of the receiving user's local network mediates the transmission of the IP fax from the transmitting user to the receiving user. The server may select a preferred transmission method of the recipient (e.g., conventional fax, IP fax, email, or secure document delivery) and transmit the fax to the receiving user using that preferred transmission method. Transmitted faxes may be in color and/or contain high-definition content.
Query by humming for ringtone search and download
Described is a technology by which a user hums, sings or otherwise plays a user-provided rendition of a ringtone (or ringback tone) through a mobile telephone to a ringtone search service (e.g., a WAP, interactive voice response or SMS-based search platform). The service matches features of the user's rendition against features of actual ringtones to determine one or more matching candidate ringtones for downloading. Features may include pitch contours (up or down), pitch intervals and durations of notes. Matching candidates may be ranked based on the determined similarity, possibly in conjunction with weighting criterion such as the popularity of the ringtone and/or the importance of the matched part. The candidate set may be augmented with other ringtones independent of the matching, such as the most popular ones downloaded by other users, ringtones from similar artists, and so forth.
Method and system for maintaining device service in a network
Disclosed herein is a method and corresponding system for managing communication in a first network, where the first network is interconnected with a fallback network. The first network may detect, when a user equipment device (UE) served by a base station of the first network seeks to initiate a voice call, the UE will transition from being served by the first network to be served by the fallback network in order to initiate the voice call directly via the fallback network rather than initiate the voice call via the first network. In response to detecting this, and further in response to the base station not supporting signaling between the UE and the fallback network, the first network may cause the UE to not transition to be served by the fallback network and to instead stay served by the base station.
Method and system for a scalable computer-telephony integration system
When an incoming call is received from a customer, various aspects may include obtaining customer call information from the customer and generating a customer call key, which may be stored as a reference to the customer call information in a contact center customer call information database. The call key may be transferred from a first call agent to a second call agent without transferring the customer call information. Then the second call agent may use the call key to retrieve the customer call information and/or the customer call information may be presented on a display for use by the second call agent during the call. The call key may be used to reduce an amount of data electronically transferred between call agents during telephone call transfers.
Facilitation of a conference call between static and rotating participants
Embodiments disclosed herein provide systems, methods, and computer readable media for facilitating a conference call with rotating participants. In a particular embodiment, a method provides identifying one or more static participants for the conference call and identifying at least two rotating participants for the conference call. The method further provides determining an order in which the rotating participants will be connected to the conference call. The method then provides connecting the conference call with the one or more static participants and connecting and disconnecting the conference call with each of the rotating participants in accordance with the order.
Call transfer using session initiation protocol (SIP)
A system is provided for providing communication event routing and transfer capability in a multi-site communication-center environment. The system utilizes a presence protocol application and a routing application for determining availability of an agent or system and for setting up the transfer from a point of transfer on a network to a destination of transfer on the same or connected network. In a preferred use the presence protocol application is shared by communication-center sites cooperating in the transfer and routing of events and the presence protocol enables at least one event-handling process normally performed by the routing application.
Methods, systems, and products for routing communications
Methods, systems, and products route communications according to schedules. When an incoming communication is detected, a schedule is retrieved that is associated with a recipient's address. A time associated with the communication is compared to entries in the schedule. If a match is determined, then an alternate destination may be chosen.
Multiple interaction live monitoring
A system for multiple interaction live monitoring, comprising an interaction manager that receives an interaction from a contact center, a recording management server that monitors the interaction, and an administration interface that presents the monitored interaction for viewing by a human user, and a method for multiple interaction live monitoring.
Simultaneous LTE data and DSDA voice
Performing data communications by a Dual SIM Dual Active (DSDA) user equipment (UE), while simultaneously conducting two concurrent voice calls. The UE may receive a request to perform data communications while conducting a first voice call on a first radio and concurrently conducting a second voice call on a second radio. The UE may then determine whether one of the voice calls is currently on hold. The UE may perform the data communications using the radio on which the held call is being conducted. The UE may therefore dynamically select available slots from the first radio and the second radio for performing the data communication, based on which of the first radio and the second radio has a voice call that is currently on hold. In some embodiments, the data communications may be performed using a Long Term Evolution (LTE) protocol stack.
Updating device behavior based on user behavior
Systems, methods, and computer-readable medium are provided for updating device behavior based on user behavior. For example, a user device may receive activity information of a user. Based on the activity information, the device may identify a first activity level of the user. The device may receive an indication that a second device is receiving an incoming call. After receiving the indication of the incoming call, the user device may identify a second activity level of the user. The user device may infer the intent of the user with respect to interacting with the second device based on the relative activity levels and may provide instructions to the second device for changing a setting of the second device based on the inferred intent of the user.
Methods, systems and applications for porting telephone numbers on wireless devices
The application is directed to a method and system for improving user experience with porting a telephone number to an electronic device. The method includes the steps of displaying a user interface on a display of the electronic device for initiating porting of a telephone number. Upon receiving user information via the user interface associated with the telephone number, it is determined whether the telephone number is portable. If the telephone number is portable, it is transmitted to the electronic device.
Portable terminal and method for controlling multilateral conversation
The present disclosure relates generally to a portable terminal, and more particularly, to a portable terminal and method for controlling multilateral conversation in a portable terminal. The method includes detecting an event for a one-to-one conversation with a particular person during a multilateral conversation. The method also includes activating a one-to-one conversation function in response to the detection of the event. The method further includes sending data entered to an input window to the particular person using the activated one-to-one conversation function.
A mobile terminal including a wireless communication unit configured to provide wireless communication; a touch screen having a front surface and curved surface extending from the front surface of the touch screen; and a controller configured to display an indicator informing an incoming call on the touch screen in response to receiving the incoming call, connect a call related to the incoming call, in response to an input for connecting the call related to the incoming call during displaying of the indicator informing the incoming call on the touch screen, display a first notification icon informing a missed call related to the incoming call at a first preset location on the curved surface of the touch screen if the input for connecting the call related to the incoming is not received, wherein the first notification icon is displayed after the indicator disappears from the touch screen, and display a first image including information related to the missed call on the touch screen in response to a first touch and drag from the first notification icon on the curved surface of the touch screen to the front surface of the touch screen. Further, the information related to the missed call includes at least one of a phone number or a name of a counterpart.
Bluetooth audio packet sharing method
A Bluetooth audio packet sharing method comprises an electronic device, a first Bluetooth speaker and at least one second Bluetooth speaker. The electronic device establishes Bluetooth connection with the first Bluetooth speaker by a Bluetooth link information, and the first Bluetooth speaker is able to receive an audio packet from the electronic device. The electronic device or the first Bluetooth speaker broadcasts the Bluetooth link information. The second Bluetooth speaker is close to the electronic device and the first Bluetooth speaker, and receives the link information broadcasted by the first Bluetooth device. Thus, the second Bluetooth speaker is able to receive or share the audio packet transmitted by the electronic device by the Bluetooth link information.
Mobile-phone adapter for electronic transactions
A mobile-device adapter to facilitate the exchange of visual information between a mobile device and a point-of-sale terminal is disclosed. The mobile-device adapter may be connected to a point-of-sale terminal at a retail checkout and configured to allow a customer to temporarily position their mobile device so that the mobile-device adapter may (i) image the mobile-device display and (ii) present images to the mobile-device camera. In this way, the mobile-device adapter may facilitate electronic transactions using visual images.
Graphical interactive visual response system and method
A communications system and method is provided for facilitating access to a service center resource. A request is received from a mobile device of a user to access a service center associated with a destination specific application on the mobile device. The request includes information entered by the user and associated with the request. An identification of a service center resource of the service center that matches needs of the user based upon the information entered by the user and a determination of an availability of the service center resource is made. A first communication is launched to a communications address associated with the mobile device and a second communication is launched to a communications address associated with the service center resource. The first communication and the second communication are bridged.
Anechoic cup or secondary anechoic chamber comprising metallic flake mixed with sound attenuating or absorbing materials for use with a communication device and related methods
Disclosed is a telephone headset that features a metalized anechoic chamber so that noises provided therein can be combatted with antiphase noises. In some embodiment, the anechoic chamber may be constructed of metallic flake mixed into or with a sound attenuating or absorbing material like, for example, silicone. Suitably, the headset can be adjusted to fit an inclusive range of head dimensions comfortably, the headsets may be wired directly or connected wirelessly to the user's phone to ensure operation and communication.
Mobile communication terminal, recording medium, and incoming call control method
The touch panel is configured to be located on the display and have sensitivity to a touch operation being able to set relatively high or low. The at least one processor is configured to display an object on the display in response to an incoming call, configured to determine whether a touch operation on the object is effective, configured to determine whether a touch operation is performed in a state where the sensitivity of the touch panel is set relatively high, configured to give notice that a first touch operation on the object is effective when the at least one processor determines that the first touch operation is effective and the first touch operation is performed in the first state, and configured to execute a predetermined processing when a predetermined time has passed in a state where the first touch operation continues.
Tri-proof structure and mobile phone using the same
A mobile phone proofed against water, dust, and physical shocks (tri-proofed) has a structure comprising a first casing, a second casing, and a third casing. The first casing is provided with protrusions, and the third casing is provided with convex blocks. The second casing is provided with a first groove for a protrusion, and is provided with a second groove for a convex block. The protrusions and the convex blocks are both interference fits in the grooves. Moreover, the second casing also includes cosmetic surfaces. The first casing and the third casing have outer surfaces and each cosmetic surface protrudes out of the outer surfaces. The cosmetic surfaces are in first contact when the mobile phone is dropped. Waterproofing, dustproofing, and shockproofing are simultaneously achieved with the single second casing structure.
System and method for ensuring anonymity of user travel and navigation data through hashing
For a segment of a route, a navigation data gathering system and method may progressively increment the precision of data analysis in proportion to the number of people actively on a route segment. Navigation data may be anonymized to preclude the possibility of correlating navigation data with personal data to track users or infer private information. Further, the system or method may determine if information for a route segment can be used at all based on the number of users of that segment. If the number of users does not exceed a threshold, the information collected on that route may not be used for other purposes. Thus, the system and method may use navigation data related to a busy section of an interstate highway at the level of precision with which the data is gathered, but reduce the level of precision of data available for a rarely used road segment.
Method and system for remote activation and management of personal security devices
Managing a Personal Security Device (PSD) includes retrieving proprietary information from a remote storage location using a first Remote Computer System, providing at least one Client as a host to the PSD and establishing a communications pipe over a first network between the PSD and the Remote Computer System. The communications pipe communicates with the PSD through the Client. Managing a PSD also includes transmitting the proprietary information from the Remote Computer System to the PSD by sending a PSD-formatted message through the communications pipe, where the proprietary information provided in the PSD-formatted message and passing through the Client is at least partially inaccessible by the Client, processing the PSD-formatted messages at the PSD to extract the proprietary information and storing the proprietary information in the PSD.
Differentiated priority level communication
Provided are methods, apparatuses and systems for providing prioritized data distribution at a customer premise. A network access component may receive priority information from a trusted source, the priority information being indicative of an association between at least one identifier and a respective priority level. The network component may determine a particular identifier associated with data received from a communication entity. The network access component may determine a particular priority level associated with the data based on the particular identifier and the priority information. The network component may also prioritize at least a portion of the data on a basis of the particular priority level.
Method and apparatus for sending a push content
A terminal receiving a push message is provided. The terminal receives a push message sent by a server, determines that the push message matches a service that the terminal is allowed to receive according to a service control condition which specifies application identifiers (app IDs) corresponding to services that the terminal is allowed to receive. The terminal then performs a service processing corresponding to the received push message.
Web browser tracking
A technique for tracking web browsing activity of a client device that includes storing, in a memory, a client profile having a client identifier associated therewith, providing a client device with a cache file having the client identifier embedded therein, receiving from the client device an identification of a client action and the client identifier, and updating the client profile to include the identification of the client action.
Systems and methods for adaptive notification networks
In some embodiments, computer implemented methods, systems, and computer readable media can receive a notification from at least one of a plurality of notification nodes. The notification can be associated with a target user. Information related to the target user can be acquired. Information related to the plurality of notification nodes can be acquired. The plurality of notification nodes can be ranked based on at least one of the information related to the target user or the information related to the plurality of notification nodes. Then one or more notification nodes that satisfy one or more specified ranking criteria can be selected. The notification can be formatted based on at least one of the information related to the target user or information related to the one or more selected notification nodes. The formatted notification can then be transmitted to the one or more selected notification nodes.
Managing presence in communications systems
Generating first and second probabilities of first and second presence variables, wherein the first and second probabilities are based on a historical presence data archive based on presence data obtained before a first time. The first and second probabilities further based on first and second unified presence data, which are based on raw presence data collected at a second time after the first, and first and second user profile rules that identify first and second groups of presence data sources. First presence information is obtained based on the first probability and the first user profile rules. Second presence information is obtained based on the second probability and the second user profile rules. The presence variables are selected from a group consisting of availability, willingness, location and combinations thereof, and wherein the group of presence variables allowable for release are identified by first or second user profile rules.
Dynamically modulating link width
Systems and methods of managing a link provide for receiving a remote width capability during a link initialization, the remote width capability corresponding to a remote port. A link between a local port and the remote port is operated at a plurality of link widths in accordance with the remote width capability.
Data storage verification in distributed storage system
A server system with one or more processors and memory sends a verification request, to a client device, to verify that the client device is storing a data block, where the verification request includes verification parameters. In response, the server system obtains from the client device a first verification value for the data block. The server system compares the first verification value with a second verification value for the data block, where the second verification value was previously computed, in accordance with the data block and the verification parameters, and stored by the server system. In accordance with a determination that the first verification value matches the second verification value, the server system confirms that the client device is storing the data block.
Data processing system, control method therefor, program and information storage medium
Provided is a data processing system capable of alleviating a communication load when data downloaded from a first system to a user device is processed thereon and the processed data is uploaded to a second system. A process instruction receiving section receives a processing instruction operation performed with original data or alternative data with regard to the original data as a process target. Original data acquisition information for acquiring the original data from a storage device and processing instruction information on the processing instruction operation performed on data as a process target are transmitted from a user device to a data processing device. The original data is acquired from the storage device based on the received original data acquisition information, and the original data is processed based on the received processing instruction information, thereby generating processed data.
Balancing storage node utilization of a dispersed storage network
A method begins by a dispersed storage (DS) processing module determining memory space utilization state of logical storage nodes of a dispersed storage network DSN. When a logical storage node is in an over-utilized memory space utilization state and another logical storage node is in an under-utilized memory space utilization state, the method continues with the DS processing module selecting the other logical storage node to produce a selected logical storage node and reassigning a portion of a DSN address range assigned to the selected logical storage node to a logical storage node that is in an average memory space utilization state to create an address free logical storage node. The method continues with the DS processing module reassigning address blocks assigned to the logical storage node that is in the over-utilized memory space utilization state to the address free logical storage node.
Systems and methods for synchronizing data
Described herein is a computer implemented method for updating a hierarchical dataset using a hierarchical edit script. The dataset comprises a plurality of dataset nodes and the edit script comprises a plurality of edit script nodes. The edit script nodes comprise at least one source node and at least one target node defining a move operation in which one or more nodes from the hierarchical dataset are moved from an original location to a target location.
Computer system synchronization
A method may comprise communicating by a first computer with a second computer over a network during a first frame having a first frame duration; transmitting a first synchronization signal from the first computer to the second computer; receiving by the first computer during the first frame a second synchronization signal from the second computer; determining by the first computer a first elapsed time between a time when the first synchronization signal was transmitted by the first computer and a time when the second synchronization signal was received by the first computer; and determining by the first computer a duration for a second frame based at least in part on the first elapsed time.
Systems and methods to process a request received at an application program interface
Methods and systems to process a request received at an application program interface are described. The system receives a request from a client machine that includes a job that is associated with data. The request is received at an application program interface. Next, a peer-to-peer network of processing nodes generates a plurality of sub-jobs based on the job. The peer-to-peer network of processing nodes schedules the plurality of sub-jobs for parallel processing based on an availability of resources that are respectively utilized by the sub-jobs and parallel processes the plurality of sub-jobs before generating task results that are respectively associated with the plurality of sub-jobs.
Block allocation based on server utilization
A computing resource service provider may operate a data storage service configured to provide data storage for one or more customers of the computing resource service provider. The data storage service may store customer data in one or more replicated state machines, where the replicated state machines comprise a plurality of replicated state machines-shards. The replicated state machines-shards may cause the computer system hosting the replicated state machine-shard to transmit a consensus message to other computer system. The consensus message may include utilization information corresponding to the other computer system. The utilization information may be used to calculate a utilization rate for the replicated state machine useable in block allocation operations.
Log information transmission integrity
A system for collecting and disseminating log information may comprise a log agent and a log service. A log agent may transmit a log stream to a log service using non-overlapping adjacent subsets of log entries. Each subset may be associated with a unique and monotonically increasing sequence number, which is not incremented until the subset is received and processed by a log service.
Post it now content promotion aboard a mobile communication platform
A system includes a local social media context server aboard a vehicle, the local social media context server including logic to implement a local social media context for a passenger aboard the vehicle, the local social media context being configured with a duration commensurate with a duration of a trip by the passenger on the vehicle; an antenna coupled to the local social media context server; and logic to prioritize content posted to the local social media context by the person for promotion to the person's global social media context.
Method and apparatus for performing object transfer service using bluetooth low energy in wireless communication system
Disclosed herein is a method for performing communication using Bluetooth low energy (BLE) in a wireless communication system including a server device and a client device. The client device receives object changed indication information including object identification information indicative of a changed object from the server device. The object identification information includes the name of the changed object or the identifier (ID) of the changed object.
Network system and network method
Provided are a network system and a network method. The network system includes: at least one network camera; at least one client configured to receive an image or a moving image from the at least one network camera; and a network configured to relay communication between the at least one network camera and the at least one client, wherein the at least one client is further configured to transmit an auto traffic control (ATC) priority and a setting corresponding to the applying of the ATC function while requesting to be connected to the at least one network camera.
Method and system for content management
Disclosed are a method and a system for content management, the method comprises: a master control server allocates, for contents to be issued, one or more merged file blocks and a storage location of each content in its corresponding merged file block according to a received content issue request, and sends to a media storage-and-forward server a content download request containing one or more names of the one or more merged file block and the storage location of each content; the media storage-and-forward server downloads the content to be issued according to the content download request, and stores each downloaded content in the corresponding storage location of the corresponding merged file block. The solutions save the storage space of the file system, improve the storage efficiency of the file system, and reduce the storage cost of the file system.
Asynchronous audio and video in an environment
Embodiments of an electronic system for asynchronous audio and video in and environment includes a server with a connection to a wireless access point or a personal digital device that communicates with the server through the wireless access point. The server receives and stores an audio track that is to accompany a public display. The personal digital device acts as a client to the server. A user interface enables a user of the personal digital device to request an audio track corresponding to the public display. The server initiates a stream of the requested audio track to be wirelessly transmitted to and received by the personal digital device. The personal digital device plays at least some of the requested audio track to the user.
Meta data information providing server, client apparatus, method of providing meta data information, and method of providing content
An apparatus and/or a method for efficiently providing meta data information regarding content and the content to a user includes connecting to a meta data information providing server that provides meta data of at least one content, receiving fundamental meta data information including connection information, which is provided for retrieval of content, from the meta data information providing server, and, when predetermined content is selected, connecting to one of the content providing servers that provide the selected content using the connection information and obtaining the selected content from the connected content providing server. Thus, it is possible to rapidly access a content providing server that provides user desired content using fundamental meta data information received from a meta data.
Apparatus, and associated method, for notifying, delivering, and deleting media bursts communicated in a push-to-talk over cellular communication system
Apparatus, and an associated method, for a PoC (Push-to-Talk over Cellular)-capable communication system. A user equipment PoC box is provided, and a corresponding network PoC box is also provided. A transport mechanism is defined and provided by which to communicate a PoC media burst that is delivered to a PoC box and stored thereat. Control functionality is provided by which to control disposition of the media burst, such as to make notification of a delivered media burst or to dispose of the media burst when no longer needed, is further provided.
Apparatus and method for providing a computer supported collaborative work environment
Aspects of the subject disclosure may include, for example, presenting content at a display device where the content is also presented by a group of other communication devices, receiving adjustment data from a second communication device where the adjustment data is representative of an adjustment of the content according to user input received at the second communication device adjusting the content according to the adjustment data to generate adjusted content, presenting the adjusted content at the display device, and providing feedback information over the network indicating that the adjusted content has been presented by the communication device at the display device, where the providing of the feedback information enables the second communication device to present a feedback indicia at a second display device of the group of other display devices, and where the feedback indicia indicates that the communication device has presented the adjusted content at the display device. Other embodiments are disclosed.
Passive based security escalation to shut off of application based on rules event triggering
Embodiments of the invention are directed to a system, method, or computer program product for a passive based security escalation to shut off of applications on a mobile device based on rules. As such, the system may identify, via extraction of data, time periods correlating to events that the user may be offline or inactive with respect to his/her mobile device. Once the time periods are identified, rules are created for the level of security escalation required based on the event. Subsequently, a trigger is identified at a time leading up to the event, where the system integrates with the mobile device and requires additional authentication to access one or more applications. Once the offline event starts, the system initiates a shutdown of the functions of one or more applications on the user's mobile device. The system then reinstates the application functionality after the offline event has ended.
Security compliance framework usage
A method and system for improving usage of a security compliance framework is provided. The method includes authenticating a user for: access to the security compliance frame work, access to an authoritative source component of the compliance framework, and access to a data store component of the compliance framework. A functionality status of the security compliance framework and a request associated with contents of the data store are presented to a user via a dashboard interface. In response, the request is triggered and associated results are generated.
Preserving privacy related to networked media consumption activities
Preserving privacy related to networked media consumption activity. Source privacy zones are defined and associated with privacy standards. Privacy standards include frequency criteria governing the storage of datasets including information associated with networked media consumption activity collected from the source privacy zone. Transaction requests including a networking protocol address are received over a network from a client device at a target location by a networked privacy system. The source privacy zone associated with the client device is identified. Using the networking protocol address to access characteristics having characteristic value(s), a dataset can be created including associating the networked media consumption activity with the characteristic and characteristic value(s). The dataset is pre-processed to comply with the privacy standards. The networking protocol address is discarded. The pre-processed dataset can be stored in a filtered database on a physical storage device at a storage location coupled to the networked privacy system.
System and method for monitoring computing servers for possible unauthorized access
A system is provided that includes one or more computing servers and a processing circuit for monitoring data transactions of the computing servers. Each of the computing servers is configured to provide respective services to remote users. The processing circuit is configured to monitor data transactions of at least one of the computing servers, which is associated with a user account. A security policy of the user account includes a set of conditions that are indicative of unauthorized access when the conditions are satisfied by various characteristics of the monitored data. The processing circuit is configured to determine a threat level based on the characteristics of the data transactions and the conditions of the security policy. In response to the threat level exceeding a first threshold level indicated in the security policy of the user account, the processing circuit sends a notification to an authorized user of the user account.
Providing fine-grained access remote command execution for virtual machine instances in a distributed computing environment
A selection of a document that includes a command and a parameter is received, and a user is caused to be associated with a policy that grants permission to execute the document. A request is received, from a requestor, to execute the document, the request including a parameter value, and the requestor is determined to be the user associated with the policy. The user is validated to have access to a resource indicated by the parameter value, and the command is caused to be executed against the resource.
Detecting and managing abnormal data behavior
Methods and systems for providing destination-specific network management are described. One example method includes determining a normal data movement profile for a computing device based on observed normal data transfer behavior by the computing device; identifying a data movement rule associated with the computing device, the data movement rule including a deviation amount, and one or more actions to take when the computing device deviates from the normal data movement profile by more than the deviation amount; detecting a data movement associated with the computing device; determining that the detected data movement exceeds the deviation amount included in the data movement rule relative to the normal data movement profile for the computing device; and performing the one or more actions associated with the data movement rule upon determining that the data movement violates the data movement rule.
There is disclosed a technique for use in managing policy. The technique comprises storing information relating to at least one previous authentication request. It should be understood that the information can be used in an authentication operation performed in connection with an authentication request. The technique also comprises receiving a policy request to alter a policy relating to an authentication operation that can be performed in connection with an authentication request. The technique further comprises generating an alteration to the policy based on the stored information and the received policy request.
Network device, and data sending and receiving system
In order to detect and prevent attacks in which the network is infested with unauthorized data to cause malfunction, the invention aims, on the basis of network cycle information, to detect errors and to prevent unauthorized data forwarding in a network system such as a vehicle-mounted network. This network device is provided with a communication unit which receives data, a time management unit which manages the reception time at which data is received, and a control unit which processes data. If, for received data used as a reference, first data is received having the same identifier and a reception interval shorter than a prescribed cycle, the control unit waits to receive data having the same identifier as the first data from the reception time of the received data used as a reference up until the prescribed cycle has elapsed, and if during this interval second data is received having the same identifier as the first data, the control unit determines that an error has occurred and performs cycle abnormality detection processing.
System and method for detecting hacked modems
A system, method, and computer program product are provided for detecting hacked modems in a cable network system. A cable Internet service provider can provide the disclosed heuristic to determine whether a particular cable modem has likely been hacked by obtaining a score corresponding to this likelihood. This score, as well as information regarding failure and success of various tests, can be used to generate a report identifying the likelihood that various modems have been hacked.
Identifying sources of network attacks
Systems and methods are described to enable identification of computing devices associated with network attacks, such as denial of service attacks. Data packets used to execute a network attack often include forged source address information, such that the address of an attacker is difficult or impossible to determine based on those data packets. However, attackers generally provide legitimate address information when resolving an identifier, such as a universal resource identifier (URI), of an attack target into corresponding destination addresses. The application enables individual client computing devices to be provided with different combinations of destination addresses, such that when an attack is detected on a given combination of destination address, the client computing device to which that combination of destination addresses was provided can be identified as a source of the attack.
Threat indicator analytics system
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for analyzing threat intelligence information. One of the methods includes receiving by a threat information server, threat intelligence information from one or more intelligence feeds and generating one or more identified security threats, identifying a compromise by a management process orchestration server and retrieving information from the threat information server and identifying one or more actions to be performed, determining by an indicator analytics processor, a composite credibility based on the actions, and determining one or more components for profiling and determining indicators of compromise for each component, and communicating the indicators of compromise to the management process orchestration server.
Protecting against the introduction of alien content
In one implementation, a computer-implemented method can identify abnormal computer behavior. The method can receive, at a computer server subsystem and from a web server system, computer code to be served in response to a request from a computing client over the internet. The method can also modify the computer code to obscure operational design of the web server system that could be determined from the computer code, and supplement the computer code with instrumentation code that is programmed to execute on the computing client. The method may serve the modified and supplemented computer code to the computing client.
Data security and integrity by remote attestation
The invention includes a system comprising a device, software installed on the device and coupled to the device's hardware and software stack to execute data encryption and remote attestation. The invention includes a process to configure the device for encryption and remote attestation and performing an initial inventory and content scan of the device's hardware and software stack with results transmitted across a communication network to the attestation server. The invention includes periodic inventory and content scans of the device's hardware and software stack with results transmitted again to the server via the network. The attestation server stores the results in a database for comparison to subsequent results sent by devices. The attestation server notes any differences in the most recent results and sends an alert to the device if the device is configured differently based on the previous scan, or configured the same if no differences were noted.
Virtual machine access control in mobile computing device based on positional range from beacon signal
A system is provided and includes a broadcasting device configured to emit a beacon signal over a predefined range and a mobile computing device. The mobile computing device is configured to run a host operating system at any location. The mobile computing device is further configured to run a virtual machine associated with the beacon signal within the host operating system but only when the computing device is in range of the beacon signal of a predefined strength.
Technologies for access control
Technologies for performing access control include a computing device that parses a network packet received by the computing device to identify an n-tuple of a header of the network packet, wherein the n-tuple is associated with one or more access control rules. The computing devices determines a bitmask associated with an access control rule of a virtual machine of the computing device and applies the determined bitmask to the n-tuple of the network packet to generate a masked n-tuple. Further, the computing device generates a hash of the masked n-tuple and compares the generated hash to a reference hash associated with the access control rule to identify a match. The computing device performs an access control action in response to identifying a match between the generated hash and the reference hash.
In a liveness detection system, a first set of one or more parameters of a first liveness test is selected at random. The first parameter set is transmitted to a user device available to an entity, thereby causing the user device to perform the first liveness test according to the first parameter set. Results of the first liveness test performed at the user device according to the first parameter set are received form the user device. Results of a second liveness test pertaining to the entity are received. The liveness detection system determines whether the entity is a living being using the results of the liveness tests, the results of the first liveness test being so used by comparing them with the first parameter set.
Managing secure sharing of private information across security domains by individuals having a service authorization
A system and method of granting a service authorization to a service provider in a regulating or funding agency of a first organization to access one or more individual's information in a second organization, where a service authorization comprises an authorization to access information and to provide specific services from said regulating or funding agency, the request for service authorization coming from an organization from an individual, patent or guardian of the individual, or regulating or funding organization, for service to be provided to an individual whose private information is stored within the second organization. A system for approving or rejecting the service authorization requests is provided based on authorization of the service provider, as well as a system and method for recording and sharing the outcomes of all decisions with the organization. If a service authorization is approved, it may be integrated into the organization's own workflow.
Information processing system and device control method
An information processing system includes a terminal device connected to a first network; and an information processing device connected to a second network that is different from the first network. The terminal device includes an information retrieval unit for retrieving, from an electronic device, identification information of the information processing device and first authentication information; an access data retrieval unit for retrieving access data from the information processing device; and a processing request unit for transmitting a request for processing to the electronic device. The information processing device includes an information providing unit for providing, to the electronic device, the identification information of the information processing device and the first authentication information; an access data providing unit for providing, to the terminal device, the access data; and a processing request transmission determining unit for transmitting the request for processing from the terminal device to the electronic device.
Method to prevent cloning of electronic components using public key infrastructure secure hardware device
An electronic component includes a processor and a memory. The electronic component has a secure platform capable of storing at least one dual key pair and a corresponding digital signature. There is also a system including a host machine and an electronic component capable of being operated by the host machine. The electronic component has a processor, a memory, and a secure platform capable of storing at least one dual key pair and a corresponding digital signature. Another aspect describes a method, which includes reading a public key from an electronic component by a host machine, verifying the public key against a stored key in the host machine, digitally signing data using a private key from the electronic component, verifying the signed data against the stored key, and using the electronic component by the host machine only if the signed data and the public key are verified.
In one implementation, a server system receives, from a device of a user, a request to add a credential issued by an organization and authentication information that has been authorized, independently of the server system, by the organization that issued the credential. The server system identifies the organization related to the request to add the credential and identifies communication information established for the organization. The server system provides, using the communication information and to a system operated by the organization, the authentication information and receives, using the communication information and from the system operated by the organization, credential information for the user. The server system adds one or more credentials to an account of the user based on the received credential information.
Method for operating a network and a network
A method for operating a network in which a Software-Defined Networking (SDN) functionality between at least some of a plurality of elements of the network is realized by at least one controller. The method includes providing a secure proof of at least one network property. The secure proof of the at least one network property is provided by the SDN functionality.
Method, apparatus and application platform for realizing logon to an application service website
The present disclosure provides a method for realizing logon to an application service website on an operation platform, including when a user terminal visits the application service website, receiving a first URL request sent from the application service website; obtaining logon information of an account of the application service website from the local according to the first URL request; and returning the logon information of the account to the application service website by invoking a first predefined function containing the logon information of the account, so that the application service website provides a web page for the user terminal to fast log on. The present disclosure also provides an apparatus for realizing logon to an application service website on an operation platform and an operation service platform.
System and method for signaling and verifying URL signatures for both URL authentication and URL-based content access authorization in adaptive streaming
Signaling and verifying URL signatures for accessing URL addressable content in adaptive streaming. A plurality of URL authentication and URL authorization descriptors are provided for a plurality of URLs, wherein each URL authentication descriptor comprises information for verification key acquisition and for accessing an authentication tag for authenticating a given URL in the plurality of URLs according to an associated URL authentication scheme. Each URL authorization descriptor is for verification key acquisition and for accessing an authorization tag for authorizing access to content addressable by a given URL in the plurality of URLs according to an associated URL authentication scheme. A plurality of URL authentication and URL authorization descriptors for the plurality of URLs are communicated and each descriptor is verified in the communicated plurality of URL authentication and URL authorization descriptors for its given URL in the plurality of URLs according to its associated scheme.
Method and system for authenticating service providers to communicate with a primary service provider
A method and system for authenticating a user device includes an identity provider reading service and an external service provider receiving a request to access content from a user device and communicating the request to access content from a service provider to the reading service. The request to access content includes cookie data. The external service requests an identity provider token from the cookie data from the reading service based on the request to access. The identity provider reading service communicates the identity provider token to the external service provider. An identity provider communicates with the service provider. The external service generates and communicates an authentication request to the identity provider having the identity provider token and a service provider identifier. The identity provider communicates an assertion signal to the service provider when the cookie data is resolved at the identity provider. The service provider grants access to content to the user device in response to the assertion signal.
Systems and methods for encrypted communication in a secure network
A method for users of devices including mobile phones and computers to engage in encrypted communications with other devices using asymmetrical key exchange technology, involving the user of a device first creating a password and then at a later time re-entering that password on the device, with the result that when the password is re-entered the device is able to decrypt a set of software components that are required for a fresh session of encrypted communications.
Method for data privacy in a fixed content distributed data storage
A storage cluster of symmetric nodes includes a data privacy scheme that implements key management through secret sharing. The protection scheme preferably is implemented at install time. At install, an encryption key is generated, split, and the constituent pieces written to respective archive nodes. The key is not written to a drive to ensure that it cannot be stolen. Due to the secret sharing, any t of the n nodes must be present before the cluster can mount the drives. To un-share the secret, a process runs before the cluster comes up. It contacts as many nodes as possible to attempt to reach a sufficient t value. Once it does, the process un-shares the secret and mounts the drives locally. Given bidirectional communication, this mount occurs more or less at the same time on all t nodes. Once the drives are mounted, the cluster can continue to boot as normal.
License management using cloud based enrollment
Systems and methods are disclosed for registering a host computing device at a server and registering a lock device at the server via an application running on a mobile computing device, each being provided host keys from the server that allow communication between the host computing device the lock device. Further, the lock device can only be registered with the server if a current registered device count is less than a maximum registered device threshold.
Security challenge assisted password proxy
Systems, apparatus, and methods of authentication utilizing contextual data to authenticate individuals and prevent security breaches are described herein. An example proxy engine may monitor interactions with a computing device to obtain contextual data unique to a user. The contextual data may be utilized to generate unique challenge questions in response to requests for access to a secure resource, and may eliminate the need for a user to remember credentials to access the resource. Challenge questions may be limited to a single use and vary in difficulty in proportion to the value of the resource. In response to correct responses to challenge question(s), the proxy engine may access a vault containing a credential authorizing access to the resource. The vault and proxy engine may be entirely contained on the computing device or they may be implemented on a remote apparatus accessed via an application or interface on the computing device.
Automatic detection of authentication methods by a gateway
Disclosed herein is a system and method for allowing access to secure resources through a gateway without having to pre-configure the gateway with each specific URL that access is to be granted as well as maintaining the list of resources that are exposed. The gateway is configured to take incoming requests from client devices, such as the URL, and determine from the URL itself what type of authentication is required to gain access to the resource as opposed to comparing the URL with a managed list of URL's. Once the authentication process is identified by the gateway that process is implemented. The gateway analyzes the responses from the resources that may include denials or user authentication requests from the resource to determine the authentication process to use to gain access to the resource. Once authenticated the communications traffic between the client/user and the resource is permitted through the gateway.
Methods, apparatuses and articles for identifying and authorizing location servers and location services using a proxy location server
Techniques are provided which may be implemented in various methods, apparatus, and/or articles of manufacture to allow a mobile device to obtain certain location service(s) and/or the like from one or more computing devices that have been authorized for use. For example, in certain implementations, a location server may comprise a proxy location server for an authorizing location server and may indicate one or more other location servers as being authorized for location service related access by a mobile device.
Wireless extension of broadband access
Wireless extension of a wired network through the use of strand-mounted access nodes. In some aspects, private network addresses may be assigned to wireless devices, and corresponding data traffic may be routed to a centralized management/provisioning platform for further network access.
Attention commands enhancement
A method of performing a packet domain event report by a mobile termination (MT) of a user equipment (UE) to a terminal equipment (TE) of the UE; and the UE therefore are discussed. The method according to one embodiment includes receiving, by the MT from the TE, a context activation request for a first packet data protocol (PDP) type; attempting, by the MT, a context activation with the first PDP type; receiving, by the MT from a network, a second PDP type assigned by the network for the context activation instead of the first PDP type; and sending, by the MT to the TE, an event message including a reason parameter indicating why the context activation request for the first PDP type is not granted.
Grouping electronic messages
Arrangements relate to the grouping electronic messages by a messaging client. A plurality of electronic messages to a message recipient from a sender electronic messaging system can be received. Each of the electronic messages can include a container specification, which can include an identifier assigned by the sender electronic messaging system. The identifiers of the received electronic messages can be compared. A plurality of the received electronic messages having the same identifier can be grouped. The grouped electronic messages can be presented as a single electronic message to the message recipient.
Method of and system for constructing a listing of e-mail messages
There is provided a method of constructing a listing of e-mail messages, the method comprising: retrieving, by at least one server, information in respect of a plurality of e-mail messages from at least one database in electronic communication with the at least one server, each e-mail message including a header having a plurality of header fields and a body having content; sending, by the at least one server to a client device via a communications network, instruction to display in one of an e-mail message listing pane or an e-mail message listing window in a graphical user interface of the client device, a listing of e-mails, the listing including in respect of at least some of the e-mail messages listing information including at least some of the header fields; for a first one of the e-mail messages, one of determining a classification of the first one of the e-mail messages by the at least one server and retrieving from the database a classification of the first one of the e-mail messages by the at least one server, the classification including a sender type and at least one message type; sending, by the at least one server to the client device via the communications network, instruction to display in the listing information in respect of the first one of the e-mail messages appearing in the listing of e-mail messages a first user-selectable graphical element for causing a first function to be performed in respect of the first one of the e-mail messages, the first function being based, at least in part, on the classification of the first one of the e-mail messages.
Communication systems and methods
Example communication systems and methods are described. In one implementation, a method receives a message from a message server and identifies a network link contained in the received message. The network link is associated with shareable content. The received message is modified to indicate, to a user of a client device, an option to share the network link with at least on recipient. The modified message is then communicated to the client device.
Messaging including standard and custom characters
Embodiments of the present technology enable messages including both standard and custom characters to be communicated between client devices. Each of the standard character(s) is included within a Unicode Standard that is supported by an operating system of a client device. By contrast, each of the custom character(s) is not included within the Unicode Standard. Such embodiments enable users to create their own custom characters, such as custom emoji, or utilize custom characters created others. Beneficially, embodiments described herein overcome many of the drawbacks associated with electronic messages being limited to including only standard characters, such as standard emoji.
Method and apparatus for transmitting can frame
The present invention relates to a method and apparatus for transmitting a CAN frame. A method for transmitting a CAN frame includes receiving an input of a transmission file containing a plurality of CAN frames; detecting the number of the CAN frames contained in the transmission file; comparing the number of the CAN frames with the number of transmission buffers; mapping, when the number of the CAN frames is less than or equal to the number of the transmission buffers, the CAN frames onto the transmission buffers in a one-to-one mapping manner; and mapping, when the number of the CAN frames is greater than the number of the transmission buffers, the CAN frames onto the transmission buffers in a many-to-one mapping manner.
Application-controlled network packet classification
Embodiments of the present invention provide a system, method, and computer program product that enables applications transferring data packets over a network to a multi-processing system to choose how the data packets are going to be processed by, e.g., allowing the applications to pre-assign connections to a particular network thread and migrate a connection from one network thread to another network thread without putting the connection into an inconsistent state.
Communication device with receded ports
A communication device with receded ports includes one or more port connectors in a first position, one or more port connectors in a setback position that is receded back from the first position, and one or more port connectors in one or more additional setback positions. The communication device with receded ports includes, a circuit board, and one or more circuits mounted on the circuit board. Circuit traces electrically connect the port connectors in the first position, the setback position, and the one or more subsequent setback positions to a circuit mounted on a circuit board. The port connectors in the first position, setback position, and one or more subsequent setback positions may be situated in a triangular pattern, stair-stepped pattern, curved pattern, or some other pattern.
Relay system and switching device
A MCLAG table retains a first port in association with a first identifier. A port control unit controls a first port group to a transmission/reception permitted state when the first port group is set to active, and controls the first port group to a transmission/reception prohibited state when the first port group is set to standby. A relay processing unit relays a frame containing the first identifier as a destination port to the first port group when the first port group is controlled to the transmission/reception permitted state and relays the same to a bridge port when the first port group is controlled to the transmission/reception prohibited state. When the first port group is controlled to the transmission/reception prohibited state, a transmission stop instructing unit instructs a peer device to stop frame transmission to the first port group.
Optimizing resource configurations
Systems and methods for monitoring the performance associated with fulfilling resource requests and determining optimizations for improving such performance are provided. A processing device obtains and processes performance metric information associated with processing a request corresponding to a set of resources. The processing device uses the processed performance metric information to determine a resource configuration to be associated with the set of resources. In some embodiments, in making such a determination, the processing device assesses performance metric information collected and associated with subsequent requests corresponding to the content associated with the set of resources and using each of a variety of alternative resource configurations. The processing device may also consider a number of factors. Aspects of systems and methods for generating recommendations to use a particular resource configuration to process a subsequent request corresponding to the content associated with the set of resources are also provided.
Distributed network address translation for efficient cloud service access
A method for coordinating distributed network address translation (NAT) in a network within which several logical networks are implemented. The logical networks include several tenant logical networks and at least one service logical network that include service virtual machines (VMs) that are accessed by VMs of the tenant logical networks. The method defines a group of replacement IP address and port number pairs. Each pair is used to uniquely identify a VM across all tenant logical networks. The method sends to at least one host that is hosting a VM of a particular tenant logical network, a set of replacement IP address and port number pairs. Each replacement IP address and port number pair can be used by the host to replace a source IP address and a source port number in a packet that is destined from the particular VM to a VM of the particular service logical network.
Duplicate MAC address detection
Systems and methods for differentiating between a duplicate MAC address situation and a multiple MAC address movement situation are provided. A node receives a new MAC address determines if it is a known or unknown MAC address by comparing it with a stored MAC address table. If it is a previously known MAC address, the node initiates a duplicate MAC address detection process to determine if at least one of the duplicate MAC addresses is no longer valid or is the result of a MAC mobility event.
Edge network virtualization
A virtual edge router network for providing managed services to distributed remote office locations can include routing components that are capable of being autonomously deployed at the network edge, as well as remotely managed, thereby obviating the need for on-site technical support in remote offices of the a small and medium business (SMB) client. Autonomous deployment and remote management is achieved through abstraction of the control and management planes from the data plane. Virtual edge routers may include virtual forwarding units and virtual remote agents instantiated on host devices in each remote office location, as well as a virtual network controller instantiated on a host device in a head-office location. A data plane of the virtual edge router communicatively couples the virtual forwarding units to one another, while a control plane communicatively couples the virtual network controller to each virtual data forwarding unit.
Bicasting using non-congruent paths in a loop-free routing topology having routing arcs
In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, the loop-free routing topology providing first and second non-congruent paths; and forwarding bicasting data, comprising a data packet in a first direction from a network node and a bicasted copy of the data packet in a second direction from the network node, concurrently to the destination node respectively via the first and second non-congruent paths.
Systems and methods for creating, managing and communicating users and applications on spontaneous area networks
A Spontaneous Area Network (SPAN) is formed by mobile and fixed nodes using wireless transmission links between nodes, usually in a nearby geographical area. Applications allow users to create, join, leave, and manage SPANs and groups in a SPAN. Automatic procedures allow nodes to join other SPANs. Transmission power of the wireless network interface is dynamic, varying depending on battery level, type of information to transmit, state and topology of the network. A delay tolerant object layer abstraction creates, modifies, deletes, publishes, and handles Delay Tolerant Distributed Objects (DTDOs). A Patient Transport Protocol (PTP) ensures a reliable transport of information through the network while avoiding congestion conditions. An aggressive and explosive network protocol (AGENET) has routing and forwarding capacities and uses datagrams to establish communication between different nodes of the SPAN. Cooperation and diversity are exploited to react to node mobility that causes frequent changes in network topology and disconnections.
Optimal open loop power control for random access channel
A user terminal includes a processing device and a memory storage device. The user terminal is programmed to receive a forward link signal from at least one of a plurality of network devices and transmit a return link signal to the plurality of network devices. The user terminal is further programmed to select one of the plurality of network devices and transmit the return link signal to the selected one of the plurality of network devices at an optimized return link signal transmission strength. The network device is programmed to receive the return link signal from at least one of a plurality of user terminals, determine an initial offset associated with the return link signal, and transmit the initial offset and an original forward pilot to total transmit power ratio over a broadcast channel to the at least one of the plurality of user terminals.
Methods and systems for a monitoring device to execute commands on an attached switch
In one embodiment, a method for enabling network appliance monitoring is disclosed. The method includes establishing a remote execution channel for executing commands on a network element such as e.g. a switch. The method also includes using the remote execution channel to initiate execution of one or more commands on the network element. The method further includes receiving at least part of an output resulting from the execution of the one or more commands, wherein the received at least part of the output enables performing the network appliance monitoring.
System and method for determining a cause of network congestion
A method and apparatus of a device that determines a cause and effect of congestion in this device is described. In an exemplary embodiment, the device measures a queue group occupancy of a queue group for a port in the device, where the queue group stores a plurality of packets to be communicated through that port. In addition, the device determines if the measurement indicates a potential congestion of the queue group, where the congestion prevents a packet from being communicated within a time period. If potential congestion exists on that queue group, the device further gathers information regarding packets to be transmitted through that port. For example, the device can gather statistics packets that are stored in the queue group and/or new enqueue packets.
Virtual bandwidth management deployment architectures
Control and management of bandwidth at networks remote from the physical bandwidth management infrastructure. Particular implementations allow network equipment at a plurality of data centers, for example, to manage network traffic at remote branch office networks without deployment of network devices at the remote branch office networks.
Data compression of a sequence of binary data
Apparatus and associated methods relate to compressing a sequence of binary data by encoding difference values between adjacent data in the sequence. For each datum in the sequence, the difference value may be determined by comparing the datum with an immediately preceding datum. For data, the determined difference may be expressible using few bits. The determined difference is encoded in subwords having subword lengths selected from a set of predetermined subword lengths. The selected subword lengths may be a minimum one of the set of predetermined subword sizes that is capable of representing the difference between the adjacent data. A size tag is generated for each subword encoded. The size tag identifies the size of the subword selected and used for encoding the determined difference. The difference may be encoded as a mathematical difference or as a bit pattern difference.
Information system, control server, virtual network management method, and program
A control apparatus, includes a first unit configured to be capable of specifying an identification rule to identify a packet based on a user of a virtual network including a plurality of virtual nodes; and a second unit configured to be capable of sending an instruction to a physical node corresponding to each of the virtual nodes of the virtual network, wherein each of the virtual nodes includes a predetermined network function being capable of providing a first packet operation to the packet, wherein the instruction includes that the physical node provides a second packet operation to the packet so as to emulate the first packet operation.
Highly reliable path accommodation design apparatus and method
Accommodation design for wavelength and sub-λ paths in a communication network is performed. If sub-λ path accommodation is possible according to search for a wavelength path present in a single-hop logical route, the accommodation in the wavelength path is executed. If sub-λ path accommodation is possible according to search for a wavelength path present in a multi-hop logical route, a logical route is selected based on the wavelength path and the sub-λ path is accommodated in the wavelength path. Additionally, each physical route suitable for the sub-λ path accommodation is searched for. If the route can accommodate a wavelength path set in a single-hop logical route by available wavelength allocation, the sub-λ path is accommodated in the wavelength path. Furthermore, routes in consideration of overlapping of nodes, pipelines, and links and operation rate are selected based on information about the start and end nodes of each of redundant routes.
Method for propagating network management data for energy-efficient IoT network management and energy-efficient IoT node apparatus
A method for propagating network management data for energy-efficient internet of things network management and an energy-efficient internet of things node apparatus are disclosed herein. The method includes dividing a plurality of sub-nodes into at least two terminal sub-nodes and the remaining intermediate sub-nodes, and determining a transmission path so that the terminal sub-nodes and the intermediate sub-nodes satisfy an acyclic graph condition, dividing the plurality of pieces of data of network management information into at least two data groups, and transmitting one of the at least two data groups to one of the terminal sub-nodes respectively, transmitting the data of the received data group to adjacent intermediate sub-nodes, performing network coding on selected two pieces of data, transmitting the network-coded data to the at least two intermediate adjacent sub-nodes, and decoding the received network-coded data using previously held data.
Communication system, virtual network management apparatus, virtual network management method and program
A communication system includes: a network configuration memory that stores network configuration information of a first layer in which an area of the first layer whose low level configuration is desired to be concealed is represented by a preset symbol and that also stores network configuration information of a second layer showing the area represented by the preset symbol. The system also includes a network configuration management section that allows a first user to manage a network of the first layer using the network configuration information of the first layer and that also allows a second user to manage a network of the second layer using at least the network configuration information of the second layer.
Method and apparatus for providing migration of cloud components across address domains
Various embodiments provide a method and apparatus for providing migration of cloud components across address domains without the overhead of sending traffic from prior sessions through an anchor. In particular, the networking control plane is decoupled from the packet forwarding data plane using a mobility enablement layer (MEL) that allows creating rules for forwarding elements (FEs) to forward traffic directed to an address within the proper address domain.
Signal transmitting apparatus and signal transmitting method
A signal transmitting apparatus includes: a first converting device arranged to generate an up-converted in-phase signal according to an in-phase digital signal and a first pre-distortion signal; a second converting device arranged to generate an up-converted quadrature signal according to a quadrature digital signal and a second pre-distortion signal; an amplifying device arranged to generate an amplified signal according to the up-converted in-phase signal and the up-converted quadrature signal; and a processing device arranged to generate the first pre-distortion signal according to a first combination signal combined by a cube of the in-phase digital signal and a multiplication of the in-phase digital signal and a square of the quadrature digital signal, and to generate the second pre-distortion signal according to a second combination signal combined by a cube of the quadrature digital signal and a multiplication of the quadrature digital signal and a square of the in-phase digital signal.
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
An apparatus for transmitting broadcast signals includes an encoder to encode service data, a framing block to map the encoded service data into data symbols to build at least one signal frame, a frequency interleaver to frequency interleaving data in the at least one signal frame by using an interleaving sequence, a modulator to perform a modulation on the frequency interleaved data by the OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data. A different interleaving sequence is used for two consecutive data symbols corresponding to an OFDM symbol pair or a data symbol corresponding to an OFDM symbol according to an FFT size of the modulation.
Method, apparatus and system for sending physical layer signal
Embodiments of the present invention disclose a sending apparatus and a receiving apparatus, and a method for sending a physical layer signal, includes: constructing a signal with a frame structure comprising multiple Ga128 sequences, a —Ga128 sequence, and a single-frequency sequence of M in length; wherein the Ga128 and —Ga128 sequences are Golay sequences of 128 in length, M is an integer multiple of 128, and the single-frequency sequence comprises M single-frequency symbols and is used to enable a receiving apparatus to estimate an Inphase and Quadrature (IQ) imbalance parameter; and sending the signal with the frame structure.
Direct synchronization of synthesized clock
The Direct Synchronization of Synthesized Clock (DSSC) contributes a method, system and apparatus for reliable and inexpensive synthesis of inherently stable local clock synchronized to a referencing signal received from an external source. Such local clock can be synchronized to a referencing frame or a data signal received from wireless or wired communication link and can be utilized for synchronizing local data transmitter or data receiver. Such DSSC can be particularly useful in OFDM systems such as LTE/WiMAX/WiFI or Powerline/ADSL/VDSL, since it can secure lower power consumption, better noise immunity and much more reliable and faster receiver tuning than those enabled by conventional solutions.
Passive classification of radio frequency signals
System for passively classifying a signal as a user equipment (UE) generated uplink communication in accordance with in an LTE communication standard includes a radio frequency receiver and a computer processor operatively coupled to the receiver. The system evaluates physical parameters of the RF signals and obtains an extracted bit sequence contained in a time slot in which a Demodulation Reference Signal (DRS) would be normally transmitted. The extracted bit sequence information is compared to a plurality of known bit sequences specified for DRS in an LTE uplink communication.
Asymmetric on-state resistance driver optimized for multi-drop DDR4
An apparatus comprising a plurality of driver circuits and a plurality of control registers. The plurality of driver circuits may be configured to modify a memory signal that transfers read data across a read line to a memory controller. The plurality of control registers may be configured to enable one or more of the driver circuits. A pull up strength and a pull down strength of the memory signal may be configured in response to how many of the plurality of driver circuits are enabled. The plurality of driver circuits implement an asymmetric pull up and pull down of the memory signal.
Retagging of VLAN upstream messages
The present invention discloses a message processing method of optical network termination (ONT), including: the ONT receiving an uplink message; the ONT performing a corresponding VLAN tagging operation in accordance with the characteristic value of the uplink message, wherein at least two types of uplink messages with different characteristic values have different VLAN Tags after the uplink messages are processed by the ONT. The present invention also discloses a VLAN Tag processing apparatus, an optical network termination (ONT), and a passive optical network system, which enable subsequent network devices to process the messages from the ONT in diverse ways.
Method of targeted discovery of devices in a network
A targeted discovery between a first device and a second device in a network, in particular, a WHDI network, provides discovery for an identified device or a group of identified devices. The targeted discovery determines an identifier for a second device or a group of devices that the second device belongs to, and sends a device discovery message to the second device using the identifier for the second device when the second device is configured to respond to the device discovery message if the device discovery message includes the identifier for the second device. The first device receives a response to the device discovery message from the second device and can start further communication with the second device.
Logical multicasting in overlay networks
For logical multicasting in overlay networks, at a data processing system, an original unicast packet is received from a first component in a first computing node in an overlay network. To cause multicasting in the overlay network the received original unicast packet was unicast by the first computing node only to the data processing system, and a multicast data structure for the overlay network is maintained only by the data processing system, the multicast data structure containing information of each receiver that is configured to receive unicast packets during logical multicasting in the overlay network. From a set of subscriber receivers in the multicast data structure, a subset of the subscriber receivers is selected. A copy of the original unicast packet is unicast to each subscriber receiver in the subset.
Replicating broadcast, unknown-unicast, and multicast traffic in overlay logical networks bridged with physical networks
A novel method for performing replication of messages in a network that bridges one or more physical networks to an overlay logical network is provided. A physical gateway provides bridging between network nodes of a physical network and virtual machines in the overlay logical network by serving as an endpoint of the overlay logical network. The physical gateway does not replicate messages from the bridged physical network to destination endpoints in the overlay logical network directly, but instead tunnels the message-to-be-replicated to a designated tunnel endpoint in the overlay logical network. The designated tunnel endpoint in turn replicates the message that was tunneled to it to other endpoints in the overlay logical network.
Reducing current transients in energy efficient ehternet devices
An Ethernet device is disclosed that may reduce transient currents and/or power consumption while entering and exiting a low power mode by selectively powering-on and/or powering-off a number of transceiver components at different times (e.g., in a staggered manner). The transient currents and/or power consumption may be further reduced by assigning different quiet period durations to different transceiver chains, for example, to minimize the number of transceiver components that enter and/or exit the low power mode at the same time.
Systems and methods for storing and sharing transactional data using distributed computing systems
A computer system that interfaces with a blockchain is provided. The computer system receives match data for a match between a first data transaction request that is associated with a first identifier and a second data transaction request that is associated with a second identifier. A first blockchain transaction is generated based on the match data and stored to a blockchain. At least one further blockchain transaction is generates that splits the match into two different transactions—one between the first identifier and an intermediary and the second between the intermediary. These are recorded to the blockchain via the further blockchain transactions.
Digital data content certification system, data certification device, user terminal, computer program and method therefor
A file is created in which digital data and a certificate are integrated and content authentication for the digital data and the certificate are performed simultaneously. A data authentication device (1) is provided with: an original data receiving means which is communicably connected to a user terminal (2) and a timestamp provision device (3), and receives original data to be authenticated from the user terminal (2); an intermediate file creation means which creates an authentication file corresponding to the original data, and attaches the actual original data to the authentication file to create an intermediate file; a timestamp request means which transmits the intermediate file to the timestamp provision device (3); a date/time security information acquisition means which receives from the timestamp provision device (3) date/time security information containing date/time information and a hash value for the intermediate file; an authenticated file creation means which embeds the received date/time security information in the intermediate file and creates an authenticated file; and an authenticated file transmission means which transmits the authenticated file to the user terminal (2).
Quantum key distribution
Methods and apparatus for distribution of keys are disclosed. An optical signal for carrying encoded information in accordance with a quantum key distribution scheme is generated. The generated optical signal has a wavelength which is changed to another wavelength prior to transmission of the optical signal. The optical signal carrying the encoded information and having the changed wavelength is received, where after decoding of the information takes place by means of detector apparatus operating in the changed wavelength.
Consolidating encrypted image backups without decryption
Consolidating encrypted image backups without decryption. In one example embodiment, a method for consolidating encrypted image backups without decryption may include individually encrypting, using a single encryption function, each block in a first set of blocks in a source storage, storing the first set of encrypted blocks in a first encrypted image backup, individually encrypting, using the single encryption function, each block in a second set of blocks in the source storage, storing the second set of encrypted blocks in a second encrypted image backup, and creating a consolidated encrypted image backup that includes a single encrypted block for each of multiple unique block positions represented by the first and second sets of encrypted blocks without decrypting any of the encrypted blocks.
Method and apparatus for time synchronisation in wireless networks
A wireless media distribution system is provided comprising an access point (6) for broadcasting media and a plurality of stations (2) for reception and playback of media. Each station is configured for receiving and decoding a timestamp in a beacon frame transmitted repeatedly from the access point. This is used to control the output signal of a station physical layer clock (12) which is then used as a clock source for an application layer time synchronisation protocol. This application layer time synchronisation protocol can then be used in the station to control an operating system clock (8) for regulating playback of media.
Method and system for synthetically sampling input signal
A system for synthetically sampling an input signal to provide a sampled signal includes a sample clock and a mixer. The sample clock is configured to generate a sampling signal having a sampling frequency. The mixer is configured to receive the sampling signal and the input signal, and to output an intermediate frequency (IF) signal by mixing the sampling signal and the input signal. An offset voltage is introduced into the mixer with the sampling signal to provide a baseband image, the offset voltage being adjusted so that the baseband image of the IF signal has the same magnitude as a first harmonic image of the IF signal.
Data on clock lane of source synchronous links
A source synchronous data transmission system includes a data transmitting device and a data receiving device. A dedicated data line carries a data signal from the data transmission device to the data receiving device. A dedicated clock line carries a modulated clock signal from the data transmission device to the data receiving device. The data transmission device includes a clock data driver configured to encode data into the modulated clock signal by modulating an amplitude of the modulated clock signal. Thus, the clock line of the source synchronous data transmission system carries the clock signal and additional data.
Enhanced uplink and downlink power control for LTE TDD eIMTA
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines an interference type between a time division duplex (TDD) configuration subframe of a serving cell and a corresponding TDD configuration subframe of a neighboring cell, and sets a transmit power for an apparatus in the serving cell based on the interference type. The apparatus in the serving cell may be a user equipment (UE), in which case the apparatus applies a set of uplink (UL) open loop power control parameters for the UE. The apparatus in the serving cell may be a base station (eNB), in which case a DL transmit power is set for the eNB. Depending on the interference type, the DL transmit power may be a fixed, full power DL transmission or an adjusted DL transmission.
Method for transmitting uplink control information in wireless access system and apparatus therefor
The present invention provides a method for transmitting uplink control information (UCI) in a wireless access system supporting a multi-connection mode for a terminal to be connected to at least two small cells, and an apparatus therefor. In a wireless access system supporting a multi-connection mode, a method for enabling a terminal to transmit a confirmation response signal (ACK/NACK) according to an embodiment of the present invention includes the steps of: receiving an upper layer signal containing resource allotment information representing an allotted resource region in order to transmit a confirmation response signal; receiving a first physical downlink sharing channel (PDSCH) signal from a first small cell; receiving a second PDSCH signal from a second small cell; and transmitting a single confirmation response signal for the first PDSCH signal and the second PDSCH signal through the resource region represented by the resource allotment information. Here, the terminal maintains a plurality of connections with two or more small cells in the multi-connection mode, and the resource region may be allotted for the same time and frequency resource in both the first small cell and the second small cell.
Method for multiplexing data and control information
A method of transmitting uplink signal through a Physical Uplink Shared Channel (PUSCH) by a mobile device in a wireless communication system. The method includes generating multiplexed information by multiplexing a first type of control information and data information; and transmitting the multiplexed information and a second type of control information through the PUSCH. One or more Resource Blocks (RBs) for the PUSCH include N Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols in a slot. The multiplexed information is mapped on a first set of SC-FDMA symbols, and the first set of SC-FDMA symbols includes SC-FDMA symbols other than an (N−3)th SC-FDMA symbol for a reference signal in the slot. The second type of control information is mapped on (N−4)th and (N−2)th SC-FDMA symbols in the slot, and the second type of control information includes Acknowledgement/Negative Acknowledgement (ACK/NACK) information.
Method and device for transmitting channel status information in wireless access system
The present invention provides methods for transmitting channel status information (CSI) in a wireless access system that supports a multi-connection mode in which a terminal is connected to two or more small cells, and devices for supporting the same. A method by which a terminal reports CSI in a wireless access system that supports a multi-connection mode, according to one embodiment of the present invention, comprises the steps of: receiving a first physical downlink control channel (PDCCH) signal including first resource allocation information from a first small cell which is in a multi-connection mode state; receiving a second PDCCH signal including second resource allocation information from a second small cell which is in a multi-connection mode state; and reporting the CSI on the basis of the first resource allocation information and the second resource allocation information. At this point, the terminal maintains a plurality of connections with two or more small cells including the first small cell and the second small cell in a multi-connection mode, and the first small cell and the second small cell are arranged at different physical positions and can be connected to each other through an abnormal backhaul link.
Method for determining pilot arrangement and base station
This application discloses a method for determining a pilot arrangement and a base station. The method includes the following steps. S1. Select a first optimized pilot arrangement P1 from an available subcarrier set G as a pilot arrangement of the first transmit antenna, and set G1=G−P1; S2. Perform a cyclic shift on the P1; if a Pi obtained after the shift is a subset of the G1, use the Pi as a pilot arrangement of the ith transmit antenna; or if a Pi obtained after the shift is not a subset of the G1, select a Pi from the G1 as a pilot arrangement of the ith transmit antenna; and set G1=G1−Pi and i=i+1, and repeatedly perform S2 until i is equal to a quantity of transmit antennas.
Optimizations for zero-forcing precoding
Massive MIMO systems provide impressive spectral efficiencies through beam forming techniques such as Zero-Forcing Precoding (ZFP). Unfortunately, ZFP imposes a considerable computational burden for each additional user. Relationships between the antennas, the users, and the environment must be rapidly, and accurately, reassessed during ZFP on an ongoing basis. Brute force approaches to these reassessments may be unfeasible for certain hardware and design conditions. Accordingly, various of the proposed embodiments implement representational optimizations which reduce the computational burden for each reassessment. Some embodiments employ “dynamic sectorization”, whereby the serviced environment is divided into regions and the corresponding representation is modified to reduce the computations of each reassessment. A backplane, antenna separation/directivity and thresholds for environment noise may each be adjusted to reduce the computational burden.
Device and method for transmitting downlink control information in a wireless communication system
A method for a transmitter in a communication system, a method for a receiver, a transmitting apparatus, and a receiving apparatus are provided. The method includes identifying, by a transmitter, information bits in a first downlink control information (DCI) and information bits in a second DCI; appending, by the transmitter, one bit of value zero to the second DCI, if a number of the information bits in the second DCI is equal to a number of the information bits in the first DCI; appending, by the transmitter, one or more zero bits to the second DCI based on a payload size of the second DCI, if the number of the information bits in the second DCI belongs to one of ambiguous sizes; and transmitting, to a receiver, the second DCI, wherein a payload of the second DCI comprises the information bits in the second DCI and at least one zero padding bit appended to the second DCI, and wherein the one or more zero bits is appended to the second DCI until the payload size of the second DCI does not belong to one of the ambiguous sizes and the payload size of the second DCI is not equal to a payload size of the first DCI.
PPDU receiving method and apparatus based on the MIMO technique in a WLAN system
Provided is a method of receiving a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by an access point (AP) in a wireless local area (LAN) system. The method includes: allocating a first transmission channel bandwidth to a first station (STA) which is multiple input multiple output (MIMO)-paired with the AP; allocating a second transmission channel bandwidth to a second STA which is MIMO-paired with the AP; transmitting to the first STA and the second STA a sync trigger for determining a time point at which the first STA transmits a first PPDU and a time point at which the second STA transmits a second PPDU; and receiving simultaneously the first PPDU and the second PPDU from the first STA and the second STA.
Adaptive channel state feedback estimation
Aspects of the present invention provide apparatuses and methods for adaptive channel state feedback (CSF) estimation techniques. Downlink transmissions can be received at a mobile device. The downlink transmissions can be received after the mobile device has entered a power saving mode of operation. The downlink transmission received can be a discontinuous downlink subframe and can include one or more pilot symbols. A channel variation factor of the transmission channel can be determined based on the received downlink transmission. Based on the amount of variation of the transmission channel, either an earlier-received or a later-received pilot symbol can be used for CSF estimation. Further, either higher or lower weighted filter coefficients can be selected for use in CSF estimation based on the amount of variation of the transmission channel.
Electromagnetic spectrum management system
A system for transmitting a wireless countermeasure signal to disrupt third party communications is disclosed that include an antenna configured to receive wireless signals and transmit wireless counter measure signals such that the wireless countermeasure signals are responsive to the received wireless signals. A receiver processes the received wireless signals to create processed received signal data while a spectrum control module subtracts known source signal data from the processed received signal data to generate unknown source signal data. The unknown source signal data is based on unknown wireless signals, such as enemy signals. A transmitter is configured to process the unknown source signal data to create countermeasure signals and transmit a wireless countermeasure signal over the first antenna or a second antenna to thereby interfere with the unknown wireless signals.
Prioritized optical arbitration systems and methods
According to an example, nodes request access to a shared resource in a prioritized optical arbitration system. Each node attempts to extract a wavelength corresponding to a priority level selected by the node from a waveguide. A node is granted access to the resource according to priority level, and is to extract from the waveguide the corresponding wavelength.
Optical network system and optical communication method
An optical network system includes an optical line terminal, an optical splitter that is connected to the optical line terminal via one first optical fiber, and a plurality of optical network units that are connected to the optical splitter via respective second optical fibers. The plurality of optical network units communicate with the optical line terminal using an optical signal of a working wavelength uniquely assigned to each of them. The optical line terminal communicates with an optical network unit that is connected to the optical splitter using an optical signal of a working wavelength and an optical signal of a spare wavelength that is common to a plurality of optical networks.
Systems and methods for processing space-multiplexed optical signals
In one embodiment, an optical system for processing space-multiplexed optical signals includes an input fiber that propagates multiple spatially-separated optical signals, a photonic signal processor that receives the multiple spatially-separated optical signals and simultaneously processes those signals, and an output fiber that receives at least one of the processed signals.
Activating a digital radio broadcast receiver in a vehicle
A system and method of controlling a digital radio broadcast receiver in a vehicle includes: detecting an instruction to activate the digital radio broadcast receiver; accessing a software application at the vehicle in response to the instruction; and activating the digital radio broadcast receiver in the vehicle at the direction of the software application.
Method and apparatus for notifying a subframe configuration of multicast broadcast single frequency network
The present invention provides a method for notifying Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration, which comprises the following steps: a first node sends its MBSFN subframe configuration, via an X2 interface, to a second node with which the first node is connected; the first node receives the MBSFN subframe configuration of the second node as a feedback. According to the invention, a serving cell can obtain the MBSFN subframe configurations of the neighboring cells and/or RNs, so that rational utilization of resources is achieved according to the configurations. Therefore, interference between cells is reduced, and system capacity and efficiency are improved.
Envelope tracking RF transmitter calibration
An envelope tracking RF transmitter calibration procedure calculates both a supply voltage to apply to a power amplifier for a modulated signal envelope to achieve ISO-gain, and a timing delay adjustment to time-align the applied supply voltage and the modulated signal to minimize distortion due to time delay error. An ISO-gain surface is calculated, as a function of the envelope of a modulated signal and the power amplifier supply voltage, for each of a plurality of desired gain values. As the envelope is swept through a predetermined range of values, demodulated outputs at predetermined points are sampled, and a set of non-linear functions relating the supply voltage to the envelope, which achieve the desired gain at the sampled points, are derived, using surface interpolation between the predetermined gain surface points. Data defining the functions are stored for use during transmitter operation. Distortion components in the transmitter output are detected, and are separated into even components representing time delay error distortion, and odd components representing transmitter saturation distortion. A timing delay value is calculated that minimizes the time delay error distortion.
Methods and devices for MIMO transmission
Methods and devices of controlling impact from interference from transmission to a 4-branch Multiple Input Multiple Output, MIMO, enabled User Equipment, UE, in a cellular radio system where legacy non 4-branch MIMO UEs co-exist are provided. The control involves determining an estimated Channel Quality Indicator, CQI, delay, and based on the estimated CQI delay determining if there exists a CQI under-estimation or CQI over-estimation. The control of the impact from high rank interference from transmission to the 4-branch MIMO enabled UE is based on a determined CQI under-estimation or CQI over-estimation.
A quasi-optical coupling system launches and extracts surface wave communication transmissions from a wire. At millimeter-wave frequencies, where the wavelength is small compared to the macroscopic size of the equipment, the millimeter-wave transmissions can be transported from one place to another and diverted via lenses and reflectors, much like visible light. Transmitters and receivers can be positioned near telephone and power lines and reflectors placed on or near the cables can reflect transmissions onto or off of the cables. The lenses on the transmitters are focused, and the reflectors positioned such that the reflected transmissions are guided waves on the surface of the cables. The reflectors can be polarization sensitive, where one or more of a set of guided wave modes can be reflected off the wire based on the polarization of the guided wave modes and polarization and orientation of the reflector.
Integrated multiplexed RF-to-optical interconnect for portable electronic devices
An information handling system, a display panel, and a method for providing optical communication of signals within a display panel is provided. The information handling system comprises a radio frequency (RF) transceiver subsystem, an antenna subsystem, and a display panel, the display panel for displaying graphic images, the display panel comprising an optical communication channel coupled to the RF transceiver subsystem and the antenna subsystem, the optical communication channel for communicating transmit signals from the RF transceiver subsystem to the antenna subsystem and for communicating receive signals from the antenna subsystem to the RF transceiver subsystem.
Systems and methods for burst detection in a CATV network
Systems and methods for detecting laser transmission bursts in a CATV network.
Method and apparatus of delivering upstream data in ethernet passive optical network over coaxial network
An apparatus for interconnecting a fiber-optic network and a coax network comprising a coax line terminal (CLT) configured to couple to an optical line terminal (OLT) at the fiber-optic network and a plurality of coax network units (CNUs) at the coax network and to cache data received from the CNUs and forward the cached data to the OLT upon receiving a message from the OLT that assigns a transmission cycle for a specified CNU, wherein the CLT forwards the cached data to the OLT upon receiving the message regardless of whether the cached data corresponds to the specified CNU.
Alignment in line-of-sight communication networks
Various of the disclosed embodiments relate to line-of-sight (LOS), e.g., optical, based networks. Particularly, systems and methods are provided for aligning nodes in a line-of-sight communication network with their peers. The nodes may be placed and passively aligned with one another as position information is passed between peers. The elevation indicated in the position information may be refined based upon relative barometric pressure readings between peers. In a next phase, isolated networks of nodes may be integrated with the network of nodes contacting the Internet backbone. Finally, routing algorithms may be implemented to address weather effects (e.g., fog) and congestion to optimize network service.
Raman amplifier system and method with integrated optical time domain reflectometer
Raman amplifier systems and methods with an integrated Optical Time Domain Reflectometer (OTDR) for integrated testing functionality include an amplifier system, an OTDR and telemetry subsystem, and a method of operation. The OTDR and telemetry subsystem is configured to operate in an OTDR mode when coupled to a line in port and to operate in a telemetry mode when coupled to a line out port. The OTDR and telemetry subsystem enables on-demand fiber testing while also operating as a telemetry channel that is both a redundant optical service channel (OSC) and provides a mechanism to monitor Raman gain over time. The OTDR and telemetry subsystem minimizes cost and space by sharing major optical and electrical components between the integrated OTDR and other functions on the Raman amplifier.
Coherent receiver based virtual optical spectrum analyzer
A coherent receiver adapted to operate as an Optical Spectrum Analyzer (OSA) includes an optical front end adapted to receive an optical signal and to mix the optical signal with a local laser; a photodetector block coupled to the optical front end and adapted to receive an output of the optical front end and provide an output corresponding to spectral components of the optical signal; and a controller coupled to the optical front end and the photodetector block, wherein the controller is adapted to operate in an OSA mode to sweep the local laser across a portion of optical spectrum to perform an OSA measurement while not performing data demodulation.
System for automatic configuration of a mobile communication system
A communication system includes a receive antenna for receiving communication signals, processing circuitry for processing the received communication signals and repeating the signals for further transmission and at least one transmit antenna for transmitting the repeated signals. The processing circuitry utilizes configurable settings for controlling the operation of the communication system and the configurable settings are variable for varying the operation of the system. The processing circuitry is further operable for receiving inputs regarding current operating conditions of the communication system and for selectively adapting the configurable settings of the system based upon the operating condition inputs.
Transmission power management device and transmission power management method
A transmission power management device including: a memory, and a processor coupled to the memory and configured to: acquire a first path loss between a first relay station and a second relay station, the first relay station relaying a first signal, the second relay station relaying a second signal, and adjust a first transmission power of the first signal by the first relay station based on the first path loss.
Non-feeding reradiating repeater and method for manufacturing of the same
Disclosed are a non-feeding re-radiating repeater and a method for manufacturing the same. The repeater includes: a dielectric substrate having a flat plate shape or a curved shape; and one or more unit cells formed on the dielectric substrate, in which each of the unit cells includes an arrangement of a plurality of conductor patterns. When electromagnetic waves incident from a first direction, the unit cells may re-radiate the electromagnetic waves in a second direction which is different from the first direction.
Multiple-input multiple-output (MIMO) antenna swapping circuit
Aspects disclosed herein include a multiple-input multiple-output (MIMO) antenna swapping circuit. The MIMO antenna swapping circuit includes primary switching circuitry configured to be coupled to a first antenna and a third antenna, and secondary switching circuitry configured to be coupled to a second antenna and a fourth antenna. The primary switching circuitry is coupled to the secondary switching circuitry via no more than three conductive mediums to enable antenna swapping between the first antenna, the second antenna, and the fourth antenna. By coupling the primary switching circuitry and the secondary switching circuitry via no more than three conductive mediums, it is possible to reduce the number of conductive medium in the MIMO antenna swapping circuit, thus helping to reduce cost, footprint, and complexity of the MIMO antenna swapping circuit.
Array-to-array beamforming and iterative time reversal techniques
In examples, two arrays of Radio Frequency nodes achieve enhanced beamforming for communications between the arrays by successively sending sounding signals from one array to the other array. Each sounding signal sent by the first of the two arrays is beamformed through time reversal of an immediately preceding sounding signal received by the first array from the second array, and each sounding signal (except the initial sounding signal) sent by the second array is beamformed through time reversal of an immediately preceding sounding signal received by the second array from the first array. The initial sounding signal sent by the second array may be omnidirectional, beamformed through a guesstimate, random, predetermined, or determined through a search of the area where the arrays are located. With sufficient beamfocusing, the arrays may communicate by sending and receiving data from one array to the other array.
Precoding method, precoding device
Disclosed is a precoding method for generating, from a plurality of baseband signals, a plurality of precoded signals that are transmitted in the same frequency bandwidth at the same time. According to the precoding method, one matrix is selected from among matrices defining a precoding process that is performed on the plurality of baseband signals by hopping between the matrices. A first baseband signal and a second baseband signal relating to a first coded block and a second coded block generated by using a predetermined error correction block coding scheme satisfy a given condition.
Link adaptation method and apparatus in wireless LAN system
A link adaptation method performed by a station (STA) in a wireless local area network (LAN) system supporting multi-user multiple-input multiple-output (MU-MIMO) is provided. The method includes: receiving a modulation and coding scheme (MCS) request, a steered sounding physical layer convergence procedure (PLOP) protocol data unit (PPDU) which is beam-formed to the STA, and a MIMO indicator including MU-MIMO-related information from an access point (AP); and transmitting feedback information including an MCS acquired from the steered sounding PPDU and the MU-MIMO-related information to the AP in response to the MCS request.
Frequency orthogonalized MIMO channel sounding and feedback in a wireless home network
A WAP including: a spatial mapper component, a partial sounding feedback expander circuit and a beamforming matrix calculator. The spatial mapper component spatially maps the transmission of a single MIMO sounding packet with either a single full spatial mapping matrix (SMM) or a set of “N” partial SMM responsive respectively to a full or composite sounding mode designation. The partial sounding feedback expander circuit in the composite sounding mode, expands partial sounding feedback received from a targeted station in response to the single MIMO sounding packet into a full sounding feedback. The beamforming matrix calculator calculates a full beamforming matrix for transmitting downlink communications to the targeted station from the full sounding feedback provided by either the partial sounding feedback expander circuit in the composite sounding mode, or the full sounding feedback received directly from the targeted station in the full sounding mode.
Apparatus, system and method of communicating a MIMO transmission with golay sequence set
Some demonstrative embodiments include apparatus, system and method of communicating a Multiple-Input-Multiple-Output (MIMO) transmission with Golay Sequence Set (GSS). For example, an apparatus may include logic and circuitry configured to cause a wireless station to generate a Golay Sequence Set (GSS) including a plurality of complementary Golay sequence pairs based on a plurality of weight vectors, the plurality of weight vectors including one or more weight vectors corresponding to one or more respective stream numbers, which are equal to or greater than 9; and transmit a Multiple-Input-Multiple-Output (MIMO) transmission over a plurality of spatial streams, the MIMO transmission including at least one field transmitted over a spatial stream having a stream number equal to or greater than 9, the field is based on a complementary Golay sequence pair of the plurality of complementary Golay sequence pairs, which is based on a weight vector corresponding to the stream number.
Integrated circuit with antenna arrays and methods for use therewith
Aspects of the subject disclosure may include, for example, an integrated circuit that includes at least one die having transceiver circuitry that generates outbound signals that convey outbound data and that receives inbound signals that convey inbound data. A first array of antenna elements arranged along the top portion of the IC package operate in conjunction with the transceiver circuitry to transmit at least a first portion of the outbound signals as first wireless transmissions and/or generate at least a first portion of the inbound signals from first wireless receptions. A second array of antenna elements arranged along the bottom portion of the IC package operate in conjunction with the transceiver circuitry to transmit at least a second portion of the outbound signals as second wireless transmissions and/or to generate at least a second portion of the inbound signals from second wireless receptions. Other embodiments are disclosed.
Processing near field communications between active/passive devices and a control system
Disclosed are example near field communication (NFC) devices and methods of operation configured to provide a user with easy access to operating a control system. One example method of operation may include accessing an application on a mobile device and identifying a user information parameter. The method may also provide generating a near field communication message that includes the user information parameter and transmitting the near field communication message to initiate a control procedure.
Methods, systems, and apparatus for the monitoring, controlling, and communicating of electronic devices
Methods, systems, and apparatus for monitoring and controlling electronic devices through the use of wired and wireless protocols. The systems and apparatuses may monitor their environment for signals from electronic devices. They may then take and disambiguate the signals that are received from the devices in their environment in order to identify said devices and associate control signals with them. The systems and apparatuses may then use communication means to send control signals to the identified electronic devices. Input and output transmission means for the systems and apparatuses may include, but are not limited to, powerline communication, Wi-Fi, Bluetooth, ZigBee, and 6LoWPAN. Signal processing and device identification may be done onboard the device, or may be done at a remote location. Multiple apparatuses or systems may be connected together into networks, including mesh networks, in order to make for a more robust architecture.
Dynamic hopping sequence computation in channel hopping communication networks
In one embodiment, a device in a channel hopping, communication network independently maintains a slot counter, and computes a channel identification (ID) based on a function having inputs of a unique feature of the device, ii) a current slot of the slot counter, and iii) a set of possible channel IDs. Accordingly, the device configures its radio to receive on the computed channel ID for the respective current slot. In another embodiment, the device may determine, for a neighbor device, a current neighbor slot and unique neighbor feature, and correspondingly computes a neighbor channel ID based on the function using the unique neighbor feature, the current neighbor slot, and the set of a possible channel IDs. As such, the device configures its radio to transmit on the computed neighbor channel ID for the respective current neighbor slot.
Scalable protocol for large WSNs having low duty cycle end nodes
A method and system are described for providing a wireless sensor network between a main node and a plurality of nodes, the nodes associated with sensors. The method and system define communications channels over which the main node communicates with the nodes based on a channel hopping scheme, and define at least one transfer channel that is dedicated to carrying transfer frames that are broadcast by the main node. The method and system configure non-acquired nodes that are not acquired to the network to enter a connection session by locating the at least one transfer channel to listen for a transfer message. The transfer message indicates a next communications channel that will become active. The method switches the non-acquired nodes to the next communications channel.
Automatic self-protection for a portable electronic device
Provided are techniques for automatically protecting portable and wearable electronic devices from potential hazards by predicting when such hazards may occur. Techniques may include monitoring a plurality of sensors on the mobile computing device; receiving, on the mobile computing device, context data from a plurality of context-service applications; selecting a set of device-protection policies based upon an availability of the plurality of sensors and the plurality of context-service applications, wherein the set of device-protection policies are configured to determine a level of risk to the mobile computing device based on sensor data received from the plurality of sensors and the context data; applying the sensor data and the context data to the set of device-protection policies to generate the level of risk; and triggering a self-protection action if the level of risk exceeds a pre-determined threshold level of risk.
Flexible multi-channel wireless audio receiver system
A flexible multi-channel diversity wireless audio receiver system for routing, processing, and combining multiple radio frequency (RF) signals containing audio signals received on respective antennas is provided. The wireless audio receiver system provides flexible routing of multiple RF signals in different selectable modes, and low latency uninterrupted reception of signals in harsh RF environments by combining multiple RF signals to maximize signal-to-noise ratio. The audio output may be generated in an uninterrupted fashion and mitigate multipath fading, interference, and asymmetrical noise issues. Received RF signals may also be cascaded by the wireless audio receiver system to allow daisy chaining.
Method and device for measuring the current signal-to-noise ratio when decoding LDPC codes
A method for measuring a signal-to-noise ratio when decoding Low Density Parity Check (LDPC) codes is provided. The method includes receiving from an input of a demodulator an input code word with “strong” or “weak” solutions, decoding the input code word in a LDPC decoder using a predetermined dependence of a mean number of iterations on the signal-to-noise ratio, recording a number of iterations performed during the decoding of the input code word, averaging derived values of the number of iterations for a specified time interval, estimating a signal-to-noise ratio based on averaged derived values of the number of iterations and based on the predetermined dependence of the mean number of iterations on the signal-to-noise ratio, and generating an output decoded code word.
Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 2/15 and 64-symbol mapping, and bit interleaving method using same
A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 2/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.
LDPC post-processor architecture and method for low error floor conditions
Post-processing circuitry for LDPC decoding includes check node processor for processing shifted LLR values, a hard decision decoder circuitry for receiving processed LLR information and performing parity checks on the processed LLR information. Post-processing control circuitry controls updating of LLR information in the check node processor. The check node processor, hard decision decoder, and control circuitry cooperate to identify check nodes with unsatisfied parity checks after an iteration cycle, identify neighborhood variable nodes that are connected with unsatisfied check nodes, identify satisfied check nodes which are connected to neighborhood variable nodes, and modify messages from neighborhood variable nodes to satisfied check nodes if needed to introduce perturbations to resolve decoding errors. Neighborhood identification circuitry determines which variable nodes are connected with unsatisfied check nodes, that have failed a parity check, and produces a signal indicating which variable nodes are connected to unsatisfied check nodes.
Repair-optimal parity code
Techniques for generating parities and repairing data erasures using repair-optimal parities are disclosed. The system includes an encoding module, which receives a request to recreate data for a subset of a plurality of content stores. The encoding module generates a new first parity and a new second parity using a subset of remaining content from the plurality of content stores. The encoding module generates a first portion of the requested data using the new first parity and a first subset of an original first parity for the plurality of content stores and a second portion of the requested data using the new second parity and a second subset of an original second parity for the plurality of content stores. The encoding module may recreate the data for the content store using the first portion of the requested data and the second portion of requested data.
Compression of frequent data values across narrow links
Systems, apparatuses, and methods for compression of frequent data values across narrow links are disclosed. In one embodiment, a system includes a processor, a link interface unit, and a communication link. The link interface unit is configured to receive a data stream for transmission over the communication link, wherein the data stream is generated by the processor. The link interface unit determines if blocks of data of a first size from the data stream match one or more first data patterns and the link interface unit determines if blocks of data of a second size from the data stream match one or more second data patterns. The link interface unit sends, over the communication link, only blocks of data which do not match the first or second data patterns.
Method and apparatus for adjusting a bandwidth of a sigma delta converter
A method and apparatus for adjusting a bandwidth of a sigma delta converter by adjusting a reference voltage provided to the sigma delta converter. The apparatus includes a switched capacitor digital-to-analog converter in the feedback loop of the sigma delta modulator. The sigma delta modulator determines the bandwidth mode of the converter and adjusts the reference voltage to deliver high performance functionality. In one embodiment, a multi-bit digital signal is received by the digital-to-analog converter. The reference voltage is provided to multiple capacitive circuits of the digital-to-analog converter and the capacitive circuits are activated and deactivated based on the multi-bit digital signal. The digital-to-analog converter, thus, provides a feedback analog signal using dynamic element matching.
Successive approximation analog-to-digital converter (ADC) with dynamic search algorithm
Aspects of a method and system for a successive approximation analog-to-digital converter with dynamic search algorithms are provided. In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logic modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm. The dynamic search algorithms may alter a sequence of reference voltages used to successively approximate the analog input voltage based on one or more characteristics of the analog input voltage.
Time-interleaved ADCs with programmable phases
A time-interleaved analog-to-digital converter (ADC) uses M analog-to-digital converters to sample an analog input signal to produce digital outputs. The M ADCs, operating in a time-interleaved fashion, can increase the sampling speed several times compared to the sampling speed of just one ADC. The time-interleaved ADC can be programmed and reconfigured to trade one performance metric for another. For example, more time can be given to comparator to improve bit error rate or more time can be given to an amplifier for improved settling which improves SNR, SFDR etc. If the time-interleaved converters are randomized, then the amount of ‘color’ in the noise floor shape can also be traded for other performance metrics.
Method and circuit for integrating a programmable matrix in the field of reconfigurable logic gates employing a non-lineal system and an efficient programmable rewiring
The present invention relates to the field of reconfigurable computing also known as dynamic computing and, more particularly, to reconfigurable architectures logic gates and programmable wiring connections between them and the input interfaces and output interfaces. There is growing interest in developing new hardware architectures to complement or replace existing static architectures, and recently, there has been a theoretical direction to explore the richness of nonlinear dynamical systems to implement reconfigurable hardware (dynamic). The present invention is to use a nonlinear to emulate different logic gates dynamic system that are the basis of general-purpose computing, and after obtaining the logic gates, integrate these elements into a programmable device by the user, ie for create a field programmable array of reconfigurable logic gates.
Electronic circuit, latch circuit, and external action detecting circuit
An electronic circuit includes: a first logic circuit coupled to a first input line and a first output line; a second logic circuit coupled to a second input line and a second output line; a first line pattern coupled to the first output line and including an input line different from the second input line; and a second line pattern coupled to the second output line and different from the first input line, wherein at least a part of the first output line, the first line pattern, the second output line, or the second line pattern has a folded shape or a circular shape.
Data synchronizer for registering a data signal into a clock domain
A data synchronizer that registers an input data signal into a clock domain of a clock signal. The data synchronizer includes in input circuit, first and second pass gates, first and second inverters, gate controller, and a register. The input circuit drives first and second data nodes to opposite logic states based on the input data signal. Each pass gate is coupled between a data node and a capture node. The inverters are cross-coupled between the capture nodes. The gate controller is capable of keeping the pass gates at least partially open during a metastable condition of the capture nodes, and closes the pass gates when the capture nodes resolve to opposite logic states. The register registers a capture node to provide a registered data output in response to the clock signal. The data synchronizer may be implemented using FinFET devices.
Solid state relay
A compact solid state relay (7) is provided. Solid state devices (74, 75), such as Triacs or Thyristors are used to implement the relay functionality. The device is at least partially enclosed in a housing that has pins for mounting on an electronics board. A number of “U” shaped jumpers (72) or other jumpers or wires are provided in the housing to act as heat sinks. A subminiature fan (70) is positioned to create an air flow over the heat sinks and dissipate heat from the device.
Apparatuses and methods for phase interpolating clock signals and for providing duty cycle corrected clock signals
Apparatuses and methods for phase interpolating clock signals and for providing duty cycle corrected clock signals are described. An example apparatus includes a clock generator circuit configured to provide first and second clock signals responsive to an input dock signal. A duty phase interpolator circuit may be coupled to the dock generator circuit and configured to provide a first and second duty cycle corrected interpolated clock signals. A duty cycle adjuster circuit may be coupled to the duty phase interpolator circuit and configured to receive the first and second duty cycle corrected interpolated clock signals and provide a duty cycle corrected dock signal responsive thereto. A duty cycle detector may be coupled to the duty cycle adjuster circuit and configured to detect duty cycle error of the duty cycle corrected clock signal and provide the adjustment signals to correct the duty cycle error.
Valley detection circuit and drive circuit
A technique for detecting a valley timing at lower cost is described. A drive circuit comprises a peak voltage holder, a valley voltage holder, a center voltage generator, a monitor, and a detector. The peak voltage holder holds a peak voltage of an oscillating signal that is based on a voltage at a terminal of an inductor coupled to a switching element. The valley voltage holder holds a valley voltage of the oscillating signal. The center voltage generator generates a center voltage based on the peak voltage and the valley voltage. The monitor monitors the present value of the voltage at the terminal. The detector detects, as a valley timing, a timing at which a predetermined delay time has elapsed from a timing at which the monitored present value of the voltage at the terminal has fallen below the center voltage.
Voltage clamp circuit
One example includes a voltage clamp circuit. The voltage clamp circuit includes a comparator loop circuit. The comparator loop circuit includes a comparator configured to compare an input voltage provided at an input node with a clamping voltage. The comparator loop circuit also includes a transistor network interconnecting a voltage rail and the input node. The comparator can be configured to activate the transistor network to set the input voltage to be approximately equal to the clamping voltage in response to the input voltage exceeding the corresponding clamping voltage.
Power dividing and combining circuit having filtering function
A power dividing circuit includes a power dividing input terminal, a high pass filtering module and a low pass filtering module. The power dividing input terminal divides a signal into two divided signals. The high pass filtering module includes two high pass filtering units. The low pass filtering module includes two low pass filtering units. Each divided signal is filtered by one of the two high pass filtering units and one of the two low pass filtering units.
Encapsulated bulk acoustic wave (BAW) resonator device
An electronic package includes a die mounted on a first substrate; a second substrate disposed over the first substrate; a pillar wall extending between a surface of the die and an opposing surface of the second substrate to provide separation between the die and the second substrate, the pillar wall extending about a perimeter bounding the die and enclosing a cavity between the first and second substrates; and an encapsulating layer disposed over the first and second substrates and around the pillar wall. Substantially none of the encapsulating layer ingresses into the cavity.
Circuits and methods for providing an impedance adjustment
An apparatus includes a signal generator and a control circuit. The signal generator includes a control terminal and includes a current electrode coupled to a terminal that is configured to couple to a power line to receive direct current (DC) power from a power generator. The control circuit is coupled to the current electrode and the control terminal of the signal generator. The control circuit determines an impedance associated with the power generator and applies a control signal to the control terminal of the signal generator to produce an impedance adjustment signal on the current electrode for communication to the power generator through the power line in response determining the impedance.
Apparatus and method for controlling wireless transmission
An apparatus and method for controlling wireless transmission. The apparatus, which controls a transmitter that provides an output signal by upconverting and amplifying an input signal, includes a memory configured to store first calibration data representing a saturation power and a linear gain of a reference transmitter as functions of operating conditions of the reference transmitter. A controller may be configured to estimate a saturation power and a linear gain of the transmitter of the apparatus based on operating conditions of the transmitter and the first calibration data. The controller may generate at least one control signal for controlling an operation of the transmitter based on a saturation power difference between the estimated saturation power and a target saturation power and a linear gain difference between the estimated linear gain and a target linear gain.
Satellite microphone assembly
In one embodiment, a satellite microphone assembly for use in teleconferencing or other audio based communications comprises a base housing a microphone and volume control electronics. The base is enclosed by a cylinder, rotatable about the base and having a top surface configured to be an actuatable button to toggle a mute/unmute status of the microphone. The cylinder has a sidewall configured to be engaged by a user such that the user can rotate the cylinder. An optical sensor is supported by the base, and is configured to detect a rotation of the cylinder and to output information about a direction and a degree of rotation of the cylinder to the volume control electronics, causing a rotation of the cylinder to affect the volume level of a speaker.
Digital acoustic system
Provided is a digital acoustic system comprising: a ΔΣ modulator that modulates a digital input signal and outputs a digital signal; a post-filter that is connected to the ΔΣ modulator and which performs mismatch shaping to convert the digital signal; a parallel-serial converter that converts the digital signal converted by the post-filter into a digital signal which is serially transmitted; a serial-parallel converter that restores the digital signal converted by the parallel-serial converter; and a drive circuit which receives the digital signal restored by the serial-parallel converter, and drives drive elements to convert the signal into an analog audio signal.
Combined high power RF/microwave amplifier with multiple power amplifier units and automatic failure protection
A high power RF or microwave amplifier may amplify an RF or microwave input signal. The high power RF or microwave amplifier may include an input signal divider (DIV) that has an input port that receives the RF or microwave input signal and that divides this input signal into multiple sub-input signals; multiple power amplifier units (PAUs), each having an input port that receives an RF or microwave signal, an output port that delivers an amplified version of the received RF or microwave signal, and an interface port; an interface control unit (ICU) that communicates with each PAU through its interface port; and an output signal switching combiner unit (SCU) that coherently sums the outputs of the on-line PAUs and delivers this to an output port. The ICU may set one or more of the PAUs to amplify one of the multiple sub-input signals (hereinafter referred to as on-line PAU in on-line mode); monitor each on-line PAU to verify that it is operating within one or more pre-determined PAU specifications; and upon detecting that one of the on-line PAUs is no longer operating within the one or more pre-determined PAU specifications (malfunctioning PAU), set the malfunctioning PAU not to amplify one of the multiple sub-input signals and not to be available to be switched to the on-line mode by the ICU (hereinafter referred to as off-line PAU in off-line mode).
Voltage detecting circuit and power amplifier
A voltage detecting apparatus includes a signal extracting circuit configured to extract a coupled signal from a signal output by a power amplifier configured to amplify a signal output by a radio frequency (RF) circuit, and a voltage detecting circuit configured to detect a detection voltage from the coupled signal and provide the detection voltage to the RF circuit. The voltage detecting circuit configured to vary the detection voltage in response to an input control signal.
Self biased dual mode differential CMOS TIA for 400G fiber optic links
A transimpedance amplifier (TIA) device. The device includes a photodiode coupled to a differential TIA with a first and second TIA, which is followed by a Level Shifting/Differential Amplifier (LS/DA). The photodiode is coupled between a first and a second input terminal of the first and second TIAs, respectively. The LS/DA can be coupled to a first and second output terminal of the first and second TIAs, respectively. The TIA device includes a semiconductor substrate comprising a plurality of CMOS cells, which can be configured using 28 nm process technology to the first and second TIAs. Each of the CMOS cells can include a deep n-type well region. The second TIA can be configured using a plurality CMOS cells such that the second input terminal is operable at any positive voltage level with respect to an applied voltage to a deep n-well for each of the plurality of second CMOS cells.
Certain aspects of the present disclosure provide methods and apparatus for implementing an amplification system. The amplification system includes an amplifier comprising differential inputs and an output. The differential inputs include an inverting input and a non-inverting input. The amplification system further includes a feedback path from the output coupled to the inverting input. The feedback path from the output is coupled to at least one of an inverting amplifier or buffer, and the at least one of the inverting amplifier or buffer is further coupled to the non-inverting input.
Transfer function regulation
The invention relates to a technique for controlling in an envelope tracking amplification stage, comprising: determining a representation of the output signal of the amplifier; determining a representation of the input signal of the amplifier; adjusting the determined representation of the input signal according to a target characteristic of the amplifier; comparing the adjusted input and determined representation of the output; and generating a control signal in dependence on the comparison.
Method and apparatus for ground fault detection
Method and apparatus for determining a ground fault impedance. In one embodiment the apparatus comprises a voltage divider and a ground fault detection module for (i) determining a first voltage based on at least one voltage measurement of the voltage divider while the voltage divider is coupled between the first AC line and the DC line; (ii) determining a second voltage based on at least one voltage measurement of the voltage divider while the voltage divider is coupled between the second AC line and the DC line; (iii) determining a differential voltage based on at least one voltage measurement between the first AC line and the second AC line; and (iv) computing the ground fault impedance based on the first voltage, the second voltage, and the differential voltage.
Roofing grommet forming a seal between a roof-mounted structure and a roof
A roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes a piece of flashing positioned on the substrate. The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket is sized to support at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion, in which the first portion is positioned to abut the flashing first surface and the second portion is positioned to extend through the aperture.
Systems for charging an energy store, and method for operating the charging systems
A system for charging at least one energy reservoir cell in a controllable energy reservoir for controlling/supplying electrical energy to an n-phase electrical machine. The controllable energy reservoir has n parallel energy supply branches each having at least two series connected energy reservoir modules, each encompassing at least one electrical reservoir cell having an associated controllable coupling unit. The energy supply branches are connectable to a reference bus and a respective phase of the machine. As a function of control signals, the coupling units interrupt the respective energy supply branch or bypass the cells or switch the associated cells into the respective energy supply branch. To enable charging of at least one cell, at least two phases of the machine are connectable via at least one respective freewheeling diode to a positive pole of a charging device, and the reference bus is connectable to a negative pole of the device.
Driving apparatus for switching element
A power conversion circuit is mounted in a vehicle and controls an output torque of the rotating machine based on a requested command torque. A driving apparatus of a switching element controls a current flowing to the rotating machine. The driving apparatus sets at least one of a turn-on speed and a turn-off speed for the switching element to a plurality of switching speeds that are discretely determined, based on a parameter that is correlated with the output torque and has a controllable value. The driving apparatus turns on or off the switching element at the switching speeds. The switching speeds are allocated to the respective magnitudes of the parameter at uneven intervals, and determined such that the number of allocated switching speeds is greater in a range in which an occurrence frequency of the parameter is high, compared to a range in which the occurrence frequency is low.
Electric power tool
An electric power tool includes: a brushless motor having a plurality of stator windings and configured to rotate in accordance with voltages applied to the plurality of stator windings, an induced voltage being generated in accordance with a rotation of the brushless motor; a rectifier circuit configured to rectify an AC voltage; a smoothing capacitor configured to smooth the AC voltage rectified by the rectifier circuit to a pulsation voltage having a maximum value larger than the induced voltage and a minimum value smaller than the induced voltage; and an inverter circuit configured to perform switching operations to output the pulsation voltage to the plurality of stator windings by rotation.
Sensor-less circuit and method for detecting a rotor position
In accordance with an embodiment, a sensor-less detection circuit is provided that includes a first voltage adjustment circuit coupled for receiving an induced voltage and a second voltage adjustment circuit coupled for receiving a common voltage. A differential amplifier has an inverting input terminal coupled to the first voltage adjustment circuit and a noninverting input terminal coupled to the second voltage adjustment circuit. In accordance with another embodiment, a method for detecting a motor rotor position is provided that includes receiving a first back electromotive force that is at a first voltage level and shifting the first back electromotive force from the first voltage level to a second voltage level. The first back electromotive force is filtered to generate a first filtered voltage; and a first motor rotor position signal is generated in response to comparing the first filtered voltage with a reference voltage.
Power module and electric device for the combined powering and charging of an accumulator and a motor respectively
The invention relates to a power module (9) for converting an electric current flowing between an accumulator and an alternating-current motor, said module (9) comprising switching means (10) that can be controlled to authorize the powering of the motor and/or the charging of the accumulator, and an intrinsic control unit (13) connected to said switching means (10) and capable of delivering opening and/or closing signals to said switching means (10), said intrinsic control unit (13) being further capable of exchanging data with a remote control unit, with a potential barrier.
Motor control apparatus and method
An apparatus for controlling an AC power supply for an electric motor, said AC power supply being derived from a DC voltage. The apparatus comprises a comparer configured to provide a comparison of a modulation index of a motor control signal with a reference value. This current data provider is configured to provide current data based on a torque demand signal; a speed signal indicating the speed of rotation of the AC motor; and an indication of the DC voltage modified on the comparison for control of the motor control signal which is based on the motor current data.
Self-powered sensing system for the monitoring of quasi-static structural response
A self-powered sensing system is provided for the monitoring of quasi-static structural responses. The sensing system is comprised of: an energy concentrator having a member configured to detect a variation of a physical stimuli and change shape in response to the variation of the physical stimuli, where the variation typically occurs at a frequency less than one Hertz; a transducer coupled the member of the energy concentrator and generates a voltage in response to the change in shape of the member; and an event logging circuit configured to receive the voltage from the transducer and log the voltage in a non-volatile memory. Physical stimuli may include temperature, pressure or an applied force.
Power conversion system and method
A power conversion system includes a first converter effectively connected in series to a second converter. Each converter has a plurality of output levels. A phase-shifted transformer is coupled to the converters. The phase-shifted transformer has a delta-wound winding and an open star winding. The first converter is coupled to the open star winding and the second converter is coupled to the delta winding. The open star winding is configured for direct connection to either of a load or the open star winding of a second phase-shifted transformer, having a delta winding connected to a third converter. One or more DC voltage sources are each connected to the first and second converters by a respective DC link capacitor. Each DC voltage source is connected to a common power grid by an isolated multiphase transformer winding.
Power conversion device with a voltage generation part that is configured to supply current to a sense diode and a sense resistor in select situations
A power conversion device includes a diode built-in transistor configured to include a transistor configured to be driven by a drive signal input into a gate, a diode configured to be connected in parallel with transistor, and have a forward direction from an emitter to a collector of the transistor, and sense diode configured to detect a current flowing in the diode, and have a cathode connected with the collector of the transistor; voltage generation part configured to generate, in a case where the diode does not conduct electricity, voltage between an anode of the diode and an anode of the sense diode, the voltage having a predetermined or greater difference with respect to a case where the diode conducts electricity; and determination part configured to determine whether the diode conducts electricity, based on the voltage between the anode of the diode and the anode of the sense diode.
Controller for grid tied inverter system
The present invention relates to a controller for a grid tied inverter system with an improved control configuration for increasing response speed of an output current according to specific electric power required. The controller comprises a first control circuit section to output a direct current (DC)-DC converter control signal, and a second control circuit section to output an inverter control signal, wherein the first control circuit section and the second control circuit section are independent of each other without a link for signal input and output therebetween.
Method for operating an electrical circuit and electrical circuit
A method for operating an electrical circuit, in particular of a converter is described. The circuit, in at least one embodiment, includes a line-side converter that is coupled to a capacitor. The line-side converter includes at least two series connections, each including at least two power semiconductor elements, and each of the at least two series connections being connected parallel to the capacitor. The line-side converter is coupled to an energy supply system. The DC voltage that is present at the capacitor is determined. A maximum voltage is predetermined. If the DC voltage present at the capacitor is determined to be greater than the maximum voltage, then at least two of the power semiconductor elements are switched into their conductive state in such a manner that the capacitor is discharged in the direction of the energy supply system.
Methods and apparatus of controllers for power converter with parallel power channels having independent DC buses
Certain embodiments of the present invention relates to a method for controlling operation of a parallel converter system. The parallel converter system includes multiple parallel power converters, and each of the parallel power converters is coupleable to a corresponding controller. The method includes: generating, via each of the controllers, a channel reference signal, transmitting each of the generated channel reference signals to a corresponding one of the parallel power converters, and adjusting an output current of each of the parallel converters responsive to the corresponding channel reference signals received, the adjusting controlling a combined output current of the parallel converter system. The channel reference signals of these parallel power converters are generated in response to the participation factors of each of the parallel power converters, and a net converter output reference current.
Unit current transformer device and magnetic induction power supplying device for linearly controlling output power by using the same
The present invention relates to a unit current transformer device and a magnetic induction power supplying device, and particularly to a magnetic induction power supply unit capable of linearly adjusting output power according to the number of unit current transformer devices configured to have a specific resonance frequency. To this end, the unit current transformer device includes a current transformer inducing secondary current from primary current flowing through a line in a magnetic induction manner and having a resonant frequency double or greater than that of the primary current, and a converting unit converting an output of the current transformer to DC power.
Control method for zero voltage switching buck-boost power converters
A method comprises providing a buck-boost converter comprising a first high-side switch and a first low-side switch connected in series across an input capacitor, a second high-side switch and a second low-side switch connected in series across an output capacitor and an inductor coupled between a common node of the first high-side switch and the first low-side switch, and a common node of the second high-side switch and the second low-side switch, detecting a first voltage resonance waveform across a switch of the buck-boost converter and turning on the switch of the buck-boost converter when the first voltage resonance waveform falls to zero.
Enhanced bidirectional current sensing and replication
A current replication circuit includes a bias circuit and a first transistor sized, relative to a second transistor to be sensed, according to a first scaling factor, the first transistor having an on-resistance associated therewith. The current replication circuit further includes at least one transconductance amplifier having first and second signal paths. The first signal path is connected with the bias circuit in a closed loop configuration such that a quiescent bias point of the transconductance amplifier is controlled as a function of the on-resistance of the first transistor. The second signal path is connected with the second transistor in an open loop configuration and is adapted to convert a sensed input voltage to a corresponding current output signal as a function of the quiescent bias point of the transconductance amplifier, the current output signal being proportional to a current flowing through the second transistor.
Lossless power conversion to DC method and device
A device and a method for power conversion to DC using zero-current and/or zero-voltage switching. Provides output voltage of any level and polarity. Operates with any input voltage, including DC and AC. Power loss is substantially eliminated. The conversion efficiency is independent of load consumption, from the idle to the maximum power. The EMI level is very low. Provides for input to output isolation without use of transformers.
Power converter circuit
A power converter circuit includes an input and an output. A supply circuit is configured to receive an input signal from the input and to generate a number of supply signals from the input signal. A number of converter units are provided. Each of the plurality of converter units is configured to receive one of the plurality of supply signals and to output an output signal to the output.
Method and apparatus for control of semi-resonant and resonant converters
A state machine for a multi-phase voltage converter controls cycle-by-cycle switching of the phases by: entering a first state in which a control signal for the high-side switch is activate and control signals for the low-side and SR (synchronous rectification) switches are deactivate; entering a second state in which the control signals for all switches are deactivate; entering a third state in which the control signal for the high-side switch is deactivate and the control signals for the low-side and SR switches are activate; entering a fourth state in which the control signals for the high-side and low-side switches are deactivate and the control signal for the SR switch is activate and then entering a fifth state in which the control signals for all switches are deactivate, or entering the fifth state without entering the fourth state; and entering the first state at the beginning of the next switching cycle.
System and method for reducing power loss in switched-capacitor power converters
A system for reducing power loss in a switched-capacitor converter includes a first and second switched capacitor sub-converter each having a flying capacitor and a first, second, third, and fourth switching device. Each switching device is controlled by one of a first, second, third, and fourth clock signal. The first, second, third and fourth clock signals of the second switched capacitor sub-converter are inverted such that the first switched capacitor sub-converter operates during a first phase and the second switched capacitor converter operates during a second phase that is 1800 degrees out of phase from the first phase. The system also includes a resonant charge sharing portion for coupling a bottom-plate parasitic capacitance of the first switched capacitor sub-converter to a bottom-plate parasitic capacitance of the second switched capacitor converter.
Adaptive open-load overvoltage control method and circuit
An overvoltage protection circuit and a method for protecting against an output from a power supply reaching overvoltage levels is provided. The overvoltage protection provides two operational modes for the power supply. In both modes, the overvoltage protection monitors the output voltage of the power supply and disables it if the output voltage reaches a threshold indicating an overvoltage event. In normal operation, this threshold is set to a level that is higher than a nominal safety threshold defined for the power supply whereas in reduced operation, this threshold is set to a value lower than the safety threshold. When an overvoltage event is detected in normal operation, the overvoltage protection transitions the power supply into the reduced operational mode before reactivating it. The power supply may be reactivated, produce an overvoltage event, and be deactivated multiple times in the reduced operational mode. Normal operation may resume if the power supply has no overvoltage events for a predetermined time period.
Self-adjusting torque device
There is provided a torque device which includes a driving module, a driven module and an adjusting module. The adjusting module comprises a magnetic torque device, wherein an input end of the magnetic torque device is capable of being driven by the driving module, an output end of the magnetic torque device is capable of driving the driven module, the input end and the output end of the magnetic torque device have a variable distance therebetween, and the input end is capable of driving the output end to transfer a torque in operation.
Rotor of rotary electric machine
A rotor related to the present invention is for a rotary electric machine. The rotor includes a rotor core and magnets. The rotor core has a plurality of core refrigerant passages. The core refrigerant passage each includes an inlet passage, a magnet cooling passage and an outlet passage. The inlet passage is configured such that a liquid refrigerant flows into the inlet passage from a shaft refrigerant passage. The magnet cooling passage is configured such that the liquid refrigerant flows into the magnet cooling passage from the inlet passage. The magnet cooling passage extends in an axial direction. The outlet passage is configured to flow the liquid refrigerant from the magnet cooling passage to a gap. An axial position of the outlet passage in the rotor core is at one place at a central position in the axial direction.
Electrical machine with reduced windage
A rotating machine has a shaft rotatable about an axis, a rotor rotatable with the shaft, and a rotor end winding at an axial end of the rotor. A stator is spaced from the rotor and forms a gap therebetween. The stator comprises a stator winding. A fluid system directs fluid through to the stator. A baffle to diverts fluid away from the gap and toward the stator.
Internal closed loop cooling
An electric motor having internal closed loop cooling includes a cooling chamber coupled to the stator cover of the electric motor. A fan is positioned to circulate air through the interior of the electric motor and the cooling chamber. A heat sink in the cooling chamber removes heat from the circulating air. The heat sink may be coupled to a fluid cooling jacket to transfer heat thereto or therefrom.
Armature for rotary electric machine
An armature for a rotary electric machine includes: a core that includes a plurality of teeth that are arranged at a predetermined pitch in a circumferential direction; and a plurality of edgewise coils that are configured by winding a rectangular conductor wire into an edgewise winding, the plurality of edgewise coils each include rectilinear portions and coil end portions that are arranged radially, and that are each linked by bent portions, the rectilinear portions are arranged radially on circumferential side portions of the teeth so as to be gradually further away from a central axis of the teeth from a tip end of the teeth toward a root, and radially adjacent portions of the rectangular conductor wire are configured such that bulging portions that arise due to compressive stresses resulting from bending at inner peripheral side portions of the bent portions do not face each other.
Stator for rotating electric machine
A stator for a rotating electric machine includes an annular stator core and a plurality of winding groups mounted on teeth of the stator core. Each of the winding groups is either a short-pitch winding group which consists of windings wound at a pitch shorter than 180° in electrical angle or a full-pitch winding group which consists of windings wound at a pitch equal to 180° in electrical angle. The winding groups include at least one short-pitch winding group pair which consists of two short-pitch winding groups that respectively belong to two different phases and are circumferentially adjacent to each other. The two short-pitch winding groups are arranged so as not to overlap each other in a radial direction of the stator core. There are no other winding groups interposed between the two short-pitch winding groups in the circumferential direction of the stator core.
Interior permanent magnet motor, and compressor
Provided is an interior permanent magnet motor, including: a plurality of permanent magnets respectively inserted into a plurality of magnet accommodating holes formed in a rotator core of a rotator. In the magnet accommodating hole, a pair of minute projecting portions, a pair of large projecting portions, and a pair of demagnetizing field recesses are formed. The permanent magnet is sandwiched by a corresponding pair of minute projecting portions. The minute projecting portion is protruded radially inward to be in surface-contact with a corresponding end surface of the permanent magnet. The large projecting portion is formed on an outer side of the minute projecting portion, and is extended to an inner defining line side of the magnet accommodating hole. A height dimension (Ta) of the large projecting portion is larger than a height dimension (Tb) of the minute projecting portion.
Rotor and rotary electric machine having the same
A rotor has a projection part projected from an inner wall of a central hole part toward a central axis and a rib part defined between opening parts adjacent with each other in a circumferential direction. A first imaginary straight line is defined to extend from the central axis outward in a radial direction through a center of the projection part. The projection part is formed so that the first imaginary straight line passes the opening part. A second imaginary straight line is defined to extend from the central axis outward in the radial direction through a center of the rib part. The rib part is formed so that the second imaginary straight line passes a center of a pole part or an intermediate position between pole parts adjacent with each other in the circumferential direction.
Sender transducer for wireless power transfer
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.
Wireless power transmission apparatus
A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.
Wireless power transmission system
A wireless power transmission system for wirelessly transmitting electric power from a power transmitting device to a power receiving device using magnetic field coupling between a power transmitting coil and a power receiving coil is provided. The power transmitting device includes a power transmitting circuit generating an electric signal for transmitting electric power, first and second power transmitting coils compatible with first and second transmission methods, respectively, a first magnetic substance on which the first power transmitting coil is placed, a second magnetic substance on which the second power transmitting coil is placed, and a power feeding surface on which the power receiving device is to be placed. First and second attachment surfaces of the first and second magnetic substances, respectively, are located on the lower side of the power feeding surface and arranged on a same plane surface parallel to the power feeding surface.
Feed unit, electronic unit, and feed system
A power receiving circuit, a power transmitting circuit, an apparatus, and a feed system are disclosed. The power receiving circuit receives power in a noncontact manner, and includes an LC parallel resonant circuit and a reactance element that is electrically connected in series to the LC parallel resonant circuit. The reactive element may be a capacitive or inductive element. In effect, a coil or capacitor in the LC parallel resonant circuit and the reactance element define another LC resonant circuit, namely, an LC series resonant circuit. The power transmitting circuit transmits power in a noncontact manner, and in one example, may also include a similar configuration.
Remote protection and switching device for electrical systems
A remotely controlled electronic general switch in DC power electrical supply system(s), ensuring switching and control of current and supply voltage, has an electronic module. The module has a controller or processor connected (i) to the switching and measurement circuit, the controller and measurement circuit optionally being linked bidirectionally, the controller being configured such that, when it receives a voltage and current measurement of the measurement circuit, it is respectively able to verify whether the input voltage lies in a predetermined interval and to instruct current interruption by the switching circuit for a certain duration, as a function of the measured current value, and (ii) to the communication interface, the communication interface connected to the communication bus and controller optionally being linked bidirectionally, such that the controller can be programmed remotely. An addressing bus, connected to the controller, enables selection, from several systems, a particular supply system linked to the general switch.
Uninterruptible power supply and method for managing power flow in a grid-tied photovoltaic system
An uninterruptible power supply (UPS) and method for managing power flow in a grid-tied photovoltaic system, wherein the UPS provides grid-tie, backup power, voltage-frequency relay, power factor control, and load-leveling functions. The UPS includes a bi-directional power converter, a switch, and a controller. The converter converts between AC power and DC power, and includes ports which are connectable to a battery, a plurality of current-source inverters, a load, and an electric utility grid. The switch selectively connects and disconnects the converter from the grid. The controller monitors the voltage and current associated with the grid, and based thereon, controls the switch and the bi-directional power converter to manage power flow in the grid-tied photovoltaic system. The controller also manages the power factor of the current flowing into or out of the grid by introducing appropriate distortion or displacement current.
Power supply system module
A power supply system module that includes a first and second AC terminals, positive and negative DC terminals and a housing. An AC-DC converter is connected to the first and second AC terminals, and a DC-DC converter is connected between the AC-DC converter and an internal DC bus. A protection circuit is connected between the internal DC bus and the positive or negative DC terminal. A control device controls the AC-DC converter and/or the DC-DC converter. The AC-DC converter, the DC-DC converter and the control device are provided inside the housing. The power supply system module also includes a backup battery device that has a backup battery connected to the internal DC bus via a battery management system. The backup battery device is provided inside the housing.
Energy harvesting apparatus and method for rapidly tracking a maximum power point
Disclosed is an energy harvesting apparatus. The energy harvesting apparatus includes a rectifier for rectifying an alternating current (AC) voltage supplied from an energy source into a direct current (DC) voltage, a charging unit for storing an output voltage of the rectifier, and a maximum power point tracker selectively connected between the rectifier and the charging unit, for differentiating the output voltage of the rectifier in a first connection state, and for controlling the output voltage of the rectifier based on a differentiation result.
Methods and apparatus for controlling touchscreen interference
This application describes methods and apparatus for controlling touchscreen interferences. In one aspect, a wireless power device for receiving charging power via a wireless charging field of a wireless charging device is provided. The wireless power device comprises a sensor circuit configured to detect at least one signal from a touchscreen, the detected at least one signal indicating an interaction with the touchscreen. The wireless power device further comprises a processor circuit configured to determine whether the detected at least one signal is a result of a false contact with the touchscreen resulting from the wireless charging field. The wireless power device further comprises a transmitter circuit configured to transmit, based on determining that the detected at least one signal is a result of the false contact with the touchscreen, a first message to the wireless charging device to lower a strength of the wireless charging field.
Wireless power receiving device and power control method thereof
Disclosed is a wireless power receiver and a power control method thereof. The wireless power receiver includes a reception unit to receive power from the wireless power transmitter by using a resonance scheme; a load management unit to control an impedance of the load according to a state of the load; and a rectifying unit disposed between the reception unit and the load management unit in order to rectify the received power, wherein the power transmitted from the wireless power transmitter is controlled by the controlled impedance.
Electronic device charging station
An inductive charging station that induces an electric current in an electronic device thereby charging the electronic device. The inductive charging station generally includes a base, a vertical portion, and a top member. The base includes a charging module in electrical communication with a transmitter part disposed in the top member such that when the electronic device's receiver is in communication with the transmitter part, the receiver is in electrical communication with the system's charging module, thereby charging the electronic device. The top member defines a first member in pivotal communication within a bore disposed in a second member. In application, the second member is configured to pivot through a 360-degree angle such that the electronic device can be rotatably positioned with the second member.
Electronic device including a very low voltage generator powering a battery
The electronic device includes a battery, an electrical energy generator and, between the generator and the battery, an inductive voltage boost converter. The device further includes a circuit for measuring the voltage supplied by the generator which is formed by: a measuring capacitor arranged in parallel with the battery and having a measuring terminal connected to a voltage measuring circuit, a diode located between the inductor output terminal and the measuring terminal, a switch arranged between the measuring terminal and the earth terminal. A control unit is arranged to periodically activate a mode for measuring a voltage at the measuring terminal. The measuring capacitor is selected such that the measuring voltage is much higher than the generator voltage and lower than the battery voltage at a minimum generator voltage allowing charging of the battery.
Charger having battery diagnostic function and control method therof
The present invention relates to a charger capable of diagnosing a lifespan of a battery when the battery is being charged, and a control method thereof. The charger includes a converter applying one of a perturbation voltage and a perturbation current to a battery, and a digital signal processor transmitting a perturbation signal in which an AC signal is added to a DC signal via the converter, measuring an output response of the battery, calculating an impedance spectrum according to the output response of the battery, calculating an impedance parameter by selecting an equivalent circuit according to the impedance spectrum, and estimating a lifespan of the battery by comparing the calculated impedance parameter of the battery with a predetermined impedance parameter of a reference battery.
A battery device comprises a housing, an electric core assembly enclosed within the housing, a control circuit board electrically coupled to the electric core assembly and for generating at least one battery parameter indicative of an operation status of the electric core assembly, and a connection port disposed on a front wall of the housing. The connection port comprises a set of power pins coupled to the electric core assembly and for charging or discharging the electric core assembly; and a set of data connection pins coupled to the control circuit board and for outputting the at least one battery parameter from the control circuit board.
Apparatus for wireless charging
A wireless charger optimized for charging efficiency of portable terminals (e.g., mobile phones) of different sizes has a housing including within it laterally spaced side supports and a bottom support for cradling an inserted portable terminal. The side supports and the bottom support are interlocked for coordinated movement such that the bottom support is moved by a predetermined amount according to movements of the side supports. This arrangement optimizes relative placement of the charger's transmitting coil and the portable terminal's receiving coil.
Coil unit having plural coils for wireless power transmission
A coil unit includes first and second coils that are apposed, and third and fourth coils located on the rear side of the first and second coils so as to interpose the center of the first coil and the center of the second coil between the third and fourth coils, in the direction of alignment of the first and second coils. The axial direction of the third and fourth coils is substantially perpendicular to the axial direction of the first and second coils. First to fourth drive control units control the directions or phases of the currents to be supplied to the first to fourth coils, respectively.
Power meter disconnect switch operation
Techniques are disclosed herein for improved power meter disconnect switch operation, which may include opening and/or closing of the disconnect switch. In particular, for reasons such as reduction of electromechanical stress on the disconnect switch, the disconnect switch may be operated based, at least in part, on a voltage at the load side of the disconnect switch. For example, in some cases, the disconnect switch may be opened slightly before a zero crossover of a waveform corresponding to the load side voltage. As another example, in some cases, the disconnect switch may be closed slightly before or slightly after a zero crossover of a waveform corresponding to the load side voltage.
Methods and arrangements for controlling power generators
Methods and arrangements for controlling the reactive power of a power generator from an initial reactive power state to a desired reactive power state are disclosed. The power generator belongs to a power farm coupled to an electrical grid. During a transition state, changes in voltage and reactive power demand are detected and control of reactive power is passed from the power farm to the power generator controller, then to a transition controller and finally back to the power farm. The power generator may be a wind turbine and the power farm a wind farm.
Modularly redundant DC-DC power supply arrangement having outputs that can be connected in parallel
A power supply device for redundantly supplying power to a load comprises a first supply unit, a second supply unit, a first DC-DC converter, a second DC-DC converter, a first output switching controller, and a second output switching controller. The first and second supply units are interconnected. The first output switching controller is connected on the load side of the first DC-DC converter, and the second output switching controller is connected on the load side of the second DC-DC converter. The outputs of the output switching controllers are interconnected.
Secondary battery pack
A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.
Method and device for controlling selectivity of electric equipment
The method for controlling selectivity of electric equipment comprises: communication of electric equipment settings between at least one electric equipment unit and a data processing device, computation of the selectivity of electric equipment according to said electric equipment settings, storing and communication of data representative of the selectivity settings and data, supervision of changes of settings and/or of changes of equipment, and checking of the compatibility between new settings after a change and the selectivity computation. The device and installation comprise means for implementing the selectivity control method.
Deadend termination clamp and collet
A dead-end termination clamp including a cast body, a clamping end, and a connection end. The dead-end clamp may be scaled to support various size wires or cables. The dead-end clamp may be able to provide a support strength less than, equal to, or exceeding the breaking strength of a supported cable. A collet with a length, two ends, a central cavity and at least one helical slot running along the length of the collet. The at least one helical slot may have a varying width or pitch along the length. The at least one helical slot may terminate before reaching one or both ends. The collet may have one helical slots which runs the entire length of the collet. The collet may be substantially cylindrical or another shape. The center cavity may be substantially cylindrical or another shape.
Weatherproof box with clamping hub
An electrical box assembly includes an electrical box having a side wall and an open top end and a conduit access port opening extending through the side wall and having a dimension to receive a conduit. A seal is received in the opening for surrounding the conduit. A clamp is positioned in the opening in the side wall and is positioned between the side wall and the seal for contacting an outer surface of the seal. An actuator is coupled to the electrical box and extends through the side wall into the opening in the side wall to contact the conduit clamp to constrict said conduit clamp and seal into clamping engagement with the conduit.
Exterior member and wire harness
An exterior member having a tubular form which accommodates and protects a conductive path, the exterior member includes at least one conductive path holding part which holds the conductive path. The at least one conductive path holding part is configured in a protruding part in an inner surface of the tube, and in a recessed part in an outer surface of the tube. In the recessed part, one or a plurality of protrusions are formed which protrude outward. The protrusions are configured in forms having elasticity.
Shielded conductive path
A shielded conductive path capable of being easily managed in terms of a length of a portion of a single core wire protruding from a shield pipe includes a shield pipe electromagnetically shielding a plurality of single core wires inserted therein and a spacer having insertion holes individually receiving the single core wires. Each single core is made of a single conductor as a core wire. The spacer is fitted inside of the shield pipe while being restricted from displacement in directions perpendicular to an axial direction of the shield pipe.
Grounded cable assembly of a communication system
A cable assembly includes a grommet, a cable, and a ferrule. The grommet has a cylindrical sleeve defining a cable channel therethrough and a flange extending radially outward from the cylindrical sleeve. The cable includes one or more insulated wires, a cable shield surrounding the one or more insulated wires, and an outer jacket surrounding the cable shield. The cable extends through the cable channel of the grommet. The cable shield and the one or more insulated wires protrude from an end of the outer jacket. The cable shield has an overlap portion extending around the end of the outer jacket and surrounding and engaging the cylindrical sleeve of the grommet to electrically connect the cable shield to the grommet. The ferrule surrounds and engages the overlap portion of the cable shield to secure the overlap portion to the cylindrical sleeve of the grommet.
Apparatus for pushing conductors into conduit and other structures
An apparatus and methods for pushing conductors into conduit and other structures are disclosed. The apparatus (“pusher”) can include rollers to apply a pushing force to one or more conductors or bundles of conductors. One or more rollers can be coupled to a drive mechanism. The pusher is configured to pull conductors or bundles of conductors off of one or more spools, and push the conductors or bundles of conductors without de-bundling or sorting the conductors. The conductors can be fed through the pusher in any format including side-by-side, vertical on top of one another, twisted together, or other formats. The pusher can include a guiding device that is configured to route the conductors from the pusher to a conduit through which the conductors are being pushed or pulled.
Electric connection box
An electric connection box includes a frame, a lower cover that covers the lower surface of the frame, and at least one block that is attached in the frame and disposed at a position along a peripheral wall of the frame. An electric wire that is connected to a component attached to the block out of the blocks is drawn horizontally from the block toward inside the frame.
Optical component and its method of manufacture, and light emitting device and its mehtod of manufacture
An optical component includes a support member having a through-hole, a second light-transmissive member disposed inside the through-hole, and having a light incidence face, a light emission face, and an outer peripheral side surface, and at least one functional film selected from a group consisting of a short pass filter, a long pass filter, and a heat dissipation member and disposed on a surface of the second light-transmissive member.
Distributed Raman amplifier systems
A distributed Raman amplifier comprises a loss-measuring device that measures losses in an optical fiber transmission line; a signal processing circuit that compares the measured losses to a threshold, below which a pumping light source is permitted to pump the transmission line; a control circuit responsive to a control signal from the signal processing circuit for controlling operation of the pumping light source; and a spool of fiber configurable to be optically coupled between the pumping light source and optical point-loss sources in the transmission line when the losses are above the threshold. The spool of fiber has a fiber of sufficient length to offset aggregated losses, which prevents the distributed Raman amplifier from shutting down while also allowing the distributed Raman amplifier to achieve entitled gain by pumping the fiber in the spool.
Jet engine gas lasers
Jet engine gas lasers are disclosed. A disclosed example apparatus includes a jet engine, and first and second opposing mirrors exposed to an exhaust gas flow path of the jet engine, where at least one mirror of the first and second opposing mirrors is adjustable to generate laser light energy using exhaust gas of the jet engine.
Semiconductor inspection and metrology system using laser pulse multiplier
A pulse multiplier includes a polarizing beam splitter, a wave plate, and a set of mirrors. The polarizing beam splitter receives an input laser pulse. The wave plate receives light from the polarized beam splitter and generates a first set of pulses and a second set of pulses. The first set of pulses has a different polarization than the second set of pulses. The polarizing beam splitter, the wave plate, and the set of mirrors create a ring cavity. The polarizing beam splitter transmits the first set of pulses as an output of the pulse multiplier and reflects the second set of pulses into the ring cavity. This pulse multiplier can inexpensively reduce the peak power per pulse while increasing the number of pulses per second with minimal total power loss.
Slip ring assembly for electrical power transfer to centrifugal turbomachinery
The disclosed invention is a slip ring assembly that provides electrical power transfer to centrifugal turbomachinery while minimizing or eliminating the presence of wires in the flow path. The device transfers electrical power through a set of wires connected to a plurality of brushes that are held rotationally stationary, but allowed to displace axially or radially through a set of springs. The brushes make contact with conductive busbar rings, transferring electricity to the busbar rings. The busbar rings rotate with the centrifugal turbomachine with a set of wires that connect the busbar rings to the blades or other aerodynamic surfaces of the centrifugal turbomachine.
QSFP to OSFP module form factor adapter
An adapter for a communication transceiver is provided. The adapter includes a main body having a first end and opposed second end. The first end of the main body has an OSFP (octal small form factor pluggable) edge connector arranged for electrical and physical connection to an OSFP host connector in an OSFP host port. The main body has a QSFP (quad small form factor pluggable) host connector arranged to receive a QSFP edge connector of a QSFP transceiver through the second end of the main body so that the adapter adapts the QSFP transceiver to an OSFP host. A method of using a communication adapter is also provided.
In an embodiment, the present invention is a communication system that includes a communication plug including a plug housing and a plurality of plug contacts positioned at least partially within the plug housing, and a communication jack including a jack housing and a plurality of plug interface contacts (PICs) at least partially positioned within the jack housing. The communication plug and the communication jack are configured to mate together in a first configuration where each of the plug contacts interfaces one of the PICs along the respective plug contact's first section. The communication plug and the communication jack are further configured to mate together in a second configuration where each of the plug contacts interfaces one of the PICs along the respective plug contact's second section, the second section being different than the respective first section.
Shielded coaxial connector
A coaxial connector has a selectively engageable radio frequency interference shield.
Suspended ceiling mounting bracket for connector installation
A bracket and associated components provides a means to securely install one or more connectors within a dropped ceiling. The bracket can be mounted to a drop wire or threaded rod within a ceiling space, thereby suspending the bracket and associated connectors within the ceiling space. One or more connectors coupled to a cable can be directly installed on the bracket via port windows cut into the bracket. Alternatively, a surface mount box containing connectors can be mounted on the bracket to yield a protected, strain-resistant connector installation within the ceiling space. The bracket and associated components can be made of plenum-rated materials, making the mounting solution suitable for installations within plenum spaces.
Electrical connector with a metallical supporting member secured thereto
A high-profile electrical connector includes a terminal module, a metallic shell and a metallic supporting member. The terminal module has an insulative housing and a plurality of conductive terminals. The insulative housing has a base portion provided with a mounting face and an insulative mating portion. The conductive terminals have contacting portions and connecting legs. The metallic shell shielding around the terminal module has a metallic mating portion surrounding around the insulative mating portion and a plurality of printed circuit board mounting legs. The metallic mating portion has a lower face which is higher than the mounting face. The metallic supporting member has a supporting plate used for supporting the lower face and at least a supporting leg extending downwardly. The supporting plate is higher than the mounting face so that the supporting plate is spaced from an upper surface of the printed circuit board.
Blind mating and floating RF connector assembly with low intermodulation
The present invention discloses a blind mating and floating RF connector assembly with low intermodulation, comprising a first connecting device and a second connecting device, wherein the first connecting device comprises a first guide portion and the second connecting device comprises a second guide portion adapted for mating with the first guide portion, wherein the first connecting device has a slotted configuration and is provided, at an end, with a boss projecting radially outwards and the second connecting device is provided with a corresponding inner engaging groove being capable of radially abutting the boss, wherein the second connecting device comprises a fixed mount unit and a floating unit, the floating unit being capable of moving radially and axially relative to the fixed mount unit, in such a way that a plurality of pairs of the first connecting device and the second connecting device can be quickly connected simultaneously via a quick blind mating operation when the first connecting device and the second connecting device are brought together, without necessarily making the first connecting device and the second connecting device be axially aligned precisely with each other. The present invention allows relative floating of connecting devices of a plurality of pairs of low-intermodulation RF connectors, allows simultaneous quick blind mating connection, and improves connecting efficiency and installation reliability.
Communication module assembly
The present invention relates to a communication module assembly. The present invention is a communication module assembly which is electrically connected to a communication device and is supplied with power and signal, and can include a connection port unit that is supplied with the power and the signal from the communication device; a cable connection portion which is provided in the connection port unit, and to which cables electrically connected to the communication device is connected; a plurality of communication modules that is stacked on and connected to the connection port unit in a plug-in type; and a guide means for guiding the communication module such that the communication modules are connected to the connection port unit in a central direction.
Connector with integrated heat sink
A receptacle connector defines a port. The port is provided with spring fingers that are configured to engage a mating module. The spring fingers are thermally coupled to a heat transfer plate that can be configured to provide part of a cage that defines the port. Fins can be mounted on or integrated into the heat transfer plate. In operation, thermal energy from an inserted module is transferred from the module to spring fingers and then to the heat transfer plate and then to a thermal dissipation system.
Electrical connector having a seal retainer
An electrical connector includes a shell having a cavity configured to receive a complementary connector. The shell has a front end and a rear end and a circumferential channel in the cavity. The channel has an undercut defined by a seal retention flange extending circumferentially around the channel. A seal retainer is received in the cavity at the front end. The seal retainer has a front edge and a rear edge received in the channel. The rear edge of the seal retainer has an undercut defined by a seal retention flange. The seal retention flange of the seal retainer faces the seal retention flange of the shell across the channel to define a seal pocket. An O-ring seal is received in the seal pocket and is held in the seal pocket by the seal retention flanges.
Plug receptacle for an electronic device
A plug receptacle is disclosed, comprising a receptacle housing having a passage configured to receive at least a part of a plug of a plug connector, a front side having a first opening and a top side having a second, elongated opening that intersects the first opening, the passage opening to the front side via the first opening and to the top side via the second opening. The plug receptacle also comprises at least one plug receptacle cover that is reversibly extendable between a cover position and an open position. In the cover position, the at least one plug receptacle cover covers the second opening at least partially. In the open position, at least a part of the at least one plug receptacle cover is extended outwards, so that the at least the part of the plug partially extends through the second opening.
Joint connector with contact retainer
A joint connector is provided. The joint connector includes a housing, receptacle terminals configured to be inserted into the housing and a retainer configured to be slidably inserted into the housing and displace the receptacle terminals in an insertion direction to fix the position of the receptacle terminals. Accordingly, defects that include an insertion of the terminals during fastening of the retainer to the housing are detected and the receptacle terminals are compressed by the retainer. The shapes of a top surface and a bottom surface of the retainer are formed in an asymmetrical structure to prevent an inverse insertion of the retainer. Simultaneously, a quality problem due to delamination of the retainer is prevented.
Plug connector module
Provided is a plug connector module for inserting in a holding frame of a modular plug connector. The plug connector module is provided so as to make electrical contact with the holding frame. A housing that forms the plug connector module is embodied from metal and can be connected in a mechanical and electrically conductive manner by way of a first type of fastener and a second type of fastening means to the holding frame.
Electrical connector with a grounding bar connecting the terminals of a plurality of ground contact wafers and shielding braids of cables
A cable connector includes an insulative shell defining a receiving cavity extending along a front-to-back direction, a number of contact wafers retained in the receiving cavity, a number of cables, and a ground bar. The contact wafers include a number of signal contact wafers and a number of ground contact wafers arranged alternately. Each of the contact wafers includes an insulative housing and a number of terminals retained in the insulative housing. Each of the terminals includes a deflectable contacting section, a middle section, and a tail section. Each of the cables includes a conductive core connecting with a corresponding tail section and a shielding braid surrounding around the conductive core. The ground bar physically and electrically connects with the tail sections of the ground wafers and the shielding braids.
The retainability and electric connection reliability of a plate-shaped signal transmission medium can be increased by a simple configuration while the operability of an actuator is improved. Pre-pressing protruding portions which create a clicking sensation of a turning operation of the actuator are provided in part of a region in a longitudinal direction of the actuator so that the pressing force of the pre-pressing protruding portions with respect to the plate-shaped signal transmission medium is applied to the part in the longitudinal direction of the actuator, and the pressing force of the pre-pressing protruding portions with respect to the plate-shaped signal transmission medium is prevented from being largely increased even when the actuator is enlarged in the multipolar arrangement direction. As a result, the operating force for the actuator is reduced, and, on the other hand, the final fixation state of the plate-shaped signal transmission medium is configured to be good by maintaining the pressing force of the medium pressing portion.
Electric wire with connecting terminal and method for manufacturing such electric wire
An electric wire with a connecting terminal and a method for manufacturing the electric wire are provided. The electric wire has a plurality of wire conductors and an insulation cover that covers the wire conductors. The plurality of wire conductors includes the connecting terminal to be connected to a counterpart component at an end of the electric wire at which the plurality of wire conductors is stripped of the insulation cover. The connecting terminal has a first portion of the plurality of wire conductors, a second portion of the plurality of wire conductors folded back on top of the first portion, the first portion and the second portion being welded to each other, and a through hole extending through the connecting terminal at a location where the first portion and the second portion are welded to each other.
Connector having an inner conductor engager
A connector includes: (i) an inner conductor engager comprising at least one tab being flexible to define an opening engager, (ii) a driver configured to drive the inner conductor engager to a desired position along the inner conductor, and (iii) a housing coupled to the inner conductor engager. The opening is configured to receive an inner conductor of a coaxial cable and extends through the entire inner conductor engager thus allowing the inner conductor to electrically connect to an interface port.
Coaxial cable connector sleeve
A sleeve for a coaxial cable connector has, in one embodiment, ends, an exterior surface, and an interior surface. The interior surface is configured to mate with a coupler of the coaxial cable connector.
Mining cable coupler connectors and related assemblies and methods
A connector assembly for use with a mining cable coupler includes a first connector and a second connector. The first connector includes a front portion including a plug and a rear portion including a barrel configured to receive a first conductor. The second connector includes a front portion including a socket having a channel defined therein and a rear portion including a barrel configured to receive a second conductor. An annular groove is defined in an inner surface of the channel. An annular spring held in the annular groove. The channel is sized and configured to receive the plug such that the plug resiliently contacts the spring to electrically connect the first conductor received in the first connector barrel and the second conductor received in the second connector barrel.
Electrical couplers and methods of using them
Certain embodiments described herein are directed to couplers configured to provide an electrical connection between two or more separate electrical wires. In certain embodiments, the coupler is configured to provide the electrical connection without the two electrical wires physically contacting each other. In other instances, the coupler can be configured to provide an electrical connection between the wires without the use of an electrical box or wiring nuts.
Miniature patch antenna
A multi-slot patch antenna is provided. The multi-slot patch antenna includes a central patch including cut corners; a plurality of strips of varying widths, the plurality of strips surrounding the central patch; and a plurality of slots of varying widths, the plurality of slots being positioned between each of the plurality of strips, wherein one of the plurality of slots is positioned between a first one of the plurality of strips and the central patch.
Additive manufacturing for radio frequency hardware
A method and apparatus is presented. A structure having an interior channel is formed using additive manufacturing equipment. A viscous media containing abrasive particles is sent through the interior channel using abrasive flow machining equipment to form a desired surface roughness for the interior channel.
An antenna includes a dielectric resonator coupled to a ground plane provided on a substrate having a slot structure on the ground plane; and a monopole substantially surrounded by the dielectric resonator; wherein, when the monopole, the dielectric resonator and the slot structure are excited with an electrical signal, the combination of the monopole, the dielectric resonator and the slot structure is arranged to radiate an electromagnetic signal associated with the electrical signal in a substantially unidirectional manner.
Antenna with quarter wave patch element, U-Slot, and slotted shorting wall
In one embodiment, an apparatus is formed using a quarter wave (QW) patch element with a U-Slot, a ground plane, and a slotted shorting wall. A feed line runs through the ground plane and connects to the QW patch element. The slotted shorting wall connects the QW patch element to the ground plane. The QW patch element, slotted shorting wall, and ground plane are composed of a single contiguous folded material.
Dual polarized electronically steerable parasitic antenna radiator (ESPAR)
An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization. The antenna includes a parasitic patch element separated from the driven patch element and in a parasitic coupling arrangement to the driven patch element, as well as first and second tuning elements linked to the parasitic patch element to control first and second terminating impedances of the parasitic patch element, respectively. The first terminating impedance at least partly determines a direction of the first beam, and the second terminating impedance at least partly determines a direction of the second beam.
Modal antenna array for interference mitigation
A modal antenna array is described where modal antenna elements capable of generating multiple radiation modes are used to form array radiation patterns. Nulls in the array radiation pattern can be formed and positioned by proper modal antenna element mode selection, with these nulls used to provide interference suppression or mitigation. The shift in array radiation pattern maxima generated by modal element mode selection can be used to improve communication system link quality by optimizing array radiation pattern characteristics. Specifically, a ring or circular array configuration is described where a simplified common feed port can be implemented to feed multiple modal antenna elements used to form the array. A switch can be used to connect or disconnect one modal element from the array, with this feature providing additional unique array beam states. The modal array can be commanded via a look-up table or algorithm.
Portable electronic device with antenna
An electronic device may have components mounted in a housing. The device may include wireless transceiver circuitry and antenna structures. A display may be mounted in the housing. The display may have a cover layer having an inner surface with a recess. The recess may run along a peripheral edge of the cover layer. An antenna structure such as an inverted-F antenna resonating element may be formed from a metal trace on a dielectric antenna carrier. The resonating element may be mounted in the recess without adhesive. Conductive vias may pass through the dielectric carrier. Metal members with dimples may be soldered to a flexible printed circuit and may be used to ground metal traces on the carrier and the flexible printed circuit to the housing when the carrier is attached to the housing with fasteners.
Transparent mesh antenna for electronic device having a graphical display
A transparent metal mesh is used as an antenna element and is disposed over a graphical display so that the graphical display can be seen through the transparent metal mesh. A radio circuit is coupled to the metal mesh to receive radio signals using the transparent metal mesh. In some embodiments the radio circuit can also transmit signals using the transparent metal mesh as an antenna.
Dielectric resonator/filter having a hollow dielectric cylinder with pre-defined areas plated with silver
A dielectric resonator and a dielectric filter are provided. The inner wall or the outer wall of the dielectric resonator is plated with silver. With the technical solution, it can be guaranteed that the volume of a dielectric resonant column of which the inner wall or the outer wall is plated with silver is reduced by about 35% as compared with the volume of an ordinary dielectric filter, or the volume of the dielectric resonator is reduced under the condition of the same cavity body. In addition, the dielectric resonator is stable and reliable in filtering performance, simple in production process, and overcomes the defect of large size of the universal dielectric resonator in the related art in the low communication frequency band.
Reactive power dividers/combiners using non-slotted conductors and methods
A power combiner/divider includes a main conductor defining an axis; an input connector having a center conductor, adapted to be coupled to a signal source, electrically coupled to the main conductor and having an axis aligned with the main conductor axis, and having a second conductor electrically coupled to a ground conductor; a cylinder conductor including an inner cylindrical surface radially exterior of and spaced apart from the main conductor, including an outer cylindrical surface, and having a cylinder axis aligned with the main conductor axis; and a plurality of output connectors having respective axes that are perpendicular to the main conductor axis, the output connectors being radially spaced apart relative to the main conductor, the output connectors having center conductors electrically coupled to the cylinder conductor and having respective second conductors electrically coupled to a second ground conductor. Methods are also provided.
Band-pass filter comprised of a dielectric substrate having a pair of conductive layers connected by sidewall through holes and center through holes
In order to prevent electrical characteristics from degrading, a band-pass filter includes: a dielectric substrate having an upper surface and a lower surface opposed to each other, the dielectric substrate extending in a waveguide axial direction; a pair of conductor layers respectively arranged on the upper surface and the lower surface of the dielectric substrate; two rows of through hole groups for sidewalls, which are formed at predetermined intervals in the waveguide axial direction so as to electrically connect the pair of conductor layers; and a plurality of through holes for electrically connecting the pair of conductor layers, the plurality of through holes being formed in parallel to the waveguide axial direction and arranged in a center of a waveguide formed in a region surrounded by the pair of conductor layers and the two rows of the through hole groups for sidewalls.
A battery module includes a plurality of battery cells and a plurality of cell barriers. Each cell barrier is between adjacent battery cells of the plurality of battery cells and includes at least one flange. The flange has a first flange portion and a second flange portion. The first flange portion has a first sealing edge extending therefrom and overlapping a first lateral side of one of the adjacent battery cells, and the second flange portion has a second sealing edge extending therefrom and overlapping a second lateral side of another of the adjacent battery cells.
Battery management system having an increased robustness against negative voltages
A battery management system includes at least one cell monitoring unit with a plurality of cell voltage terminals, supply lines coupled to the cell voltage terminals, and a cell monitoring circuit made of a plurality of electronic semiconductor modules connected in parallel via the supply lines. The battery management system is configured to monitor a plurality of battery cells via the cell monitoring unit. The battery cells are in each case connected on both sides with their respective positive battery cell terminal and negative battery cell terminal to the battery management system via the cell voltage terminals. Furthermore, one or several supply lines are provided with a melt fuse so that in each battery cell that is connected to the battery management system at least one supply line coupled to the battery cell comprises a melt fuse in its current path.
Oxiranyl-acyl derivatives as additives for electrolytes in lithium ion batteries
The present invention relates to an electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) and (iv) optionally at least one further additive.
Nonaqueous electrolytic solution and energy storage device using same
The present invention is to provide a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent and an energy storage device, wherein the nonaqueous electrolytic solution includes LiPF2(—OC(═O)—C(═O)O—)2 and at least one kind of a compound having a carbon-carbon triple bond represented by the following general formula (I): (wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms and optionally substituted with a halogen atom; and R3 represents a methyl group or an ethyl group. X represents a hydrogen atom or —CR1R2—OS(═O)2—R3.).
A rechargeable battery includes an electrode assembly having first and second electrodes at opposite sides of a separator and wound about an axis; a first terminal coupled to the first electrode through a first tab; a second terminal coupled to the second electrode through a second tab; a case accommodating the electrode assembly and including first and second openings at its opposite ends; a first gasket between the first terminal and the first opening, the first gasket sealing the first opening and allowing the first terminal to protrude outside of the case; and a second gasket between the second terminal and the second opening, the second gasket sealing the second opening and allowing the second terminal to protrude outside of the case. The case may further include a fixing portion at its inner side that protrudes toward the electrode assembly.
Electric storage element
A battery includes positive and negative external terminals having exposed portions exposed from a casing to the outside, positive and negative current collectors connected to the external terminals, and electrode assemblies having positive and negative electrodes and a separator. The positive and negative electrodes are wound with the separator being interposed so as to have positions shifted to opposite sides in a width direction to the separator. Formed in the casing is a narrowly elongated gap extending between the positive current collector side and the negative current collector side. The positive electrode side of the gap is closed by a closure member. A foreign material is prevented from moving without decreasing an electric capacity of the battery and deteriorating injection property of an electrolytic solution.
Solid polymer electrolyte fuel cell
A fuel cell is formed by sandwiching a membrane electrode assembly between a first separator and a second separator. The membrane electrode assembly includes a cathode, an anode, and a solid polymer electrolyte membrane interposed between the cathode and the anode. In the membrane electrode assembly, a catalyst area of an electrode catalyst layer of the cathode and an electrode catalyst layer of the anode terminates at a position spaced upwardly from lower ends of an oxygen-containing gas flow field and a fuel gas flow field.
Aqueous electrolytes for redox flow battery systems
An aqueous redox flow battery system includes an aqueous catholyte and an aqueous anolyte. The aqueous catholyte may comprise (i) an optionally substituted thiourea or a nitroxyl radical compound and (ii) a catholyte aqueous supporting solution. The aqueous anolyte may comprise (i) metal cations or a viologen compound and (ii) an anolyte aqueous supporting solution. The catholyte aqueous supporting solution and the anolyte aqueous supporting solution independently may comprise (i) a proton source, (ii) a halide source, or (iii) a proton source and a halide source.