Electronic component cooling
A cooling device for cooling at least one electronic component, as well as an electronic assembly with a cooling device and an electronic component. The cooling device has at least one cooling body through which a cooling medium flows. The cooling device further includes a cooling plate defining a through recess in which the cooling body is arranged at least in part. A through recess is particularly easy to produce, so that the complete cooling device can be manufactured very cost effectively. At least one cooling pipe in direct contact with the cooling plate and/or the electronic component to be cooled transports cooling medium from and to the cooling body, so that the cooling device can effectively absorb heat generated at the electronic component.
Adjustable cable management for fiber and cable
In one embodiment, an adjustable cable management system is disclosed. The system includes a tray base having a first end. The system also includes a tray door coupled to the tray base and substantially opposite the first end of the tray base when in a closed position. The system further includes a plurality of cable guides coupled to the first end of the tray base and located between the first end of the tray base and the tray door. A particular cable guide is coupled to the first end of the tray base at a selected angle from among a plurality of selectable angles.
Screw attachment system for electronic assemblies
An apparatus for mating computing device structures. The apparatus comprises a first bracket coupled to a pluggable electronic device. The first bracket comprises a first set of one or more attachment features that are capable of coupling to corresponding receiving features of a supporting structure. The apparatus further comprises a second bracket coupled to the pluggable electronic device. The second bracket comprises a second set of one or more attachment features that are capable of coupling to corresponding receiving features of a supporting structure. In another aspect, the apparatus further comprises one or more guide tubes coupled to the pluggable electronic device.
Electrical device and method for producing an electrical device
In an electrical device, in particular a converter, and a method for producing an electrical device having a circuit board and a housing part, a connecting part is fitted into the circuit board, in particular by soldering. The connecting part has a spacer section and a connection element. The circuit board is separated from the housing part with the aid of the spacer section. The connection element has a threaded segment. The connection element may be connected to at least one circuit trace on the circuit board in an electrically conductive manner.
Electronic device chassis and electronic device
An electronic device chassis includes a casing and two limitation mechanisms. The casing includes two accommodating zones. The two limitation mechanisms are rotatably disposed at the casing. Each of the limitation mechanisms includes a first engaging portion near one of the accommodating zones, and a linkage structure near the other one of the accommodating zones, so that when the limitation mechanism is rotated, the first engaging portion and the linkage structure enter or leave the two accommodating zones, respectively. When two electronic assemblies are disposed in the two accommodating zones, two second engaging portions of the two electronic assemblies are located in rotating paths of the two first engaging portions, and a portion of each of the limitation mechanisms is located in a moving path of the corresponding electronic assembly. An electronic device is further provided.
Method for manufacturing multilayer wiring substrate
The present invention is a method for manufacturing a multilayer wiring board having (1) a step of providing with a hole for a via hole from a metal foil for an upper layer wiring pattern to an inner layer wiring pattern by using a conformal method or a direct laser method, and (2) a step of forming a via hole by forming electrolytic filling plating layers in the hole for a via hole, wherein the formation of the electrolytic filling plating layers in the step (2) is carried out by repeating change in electric current density of temporarily decreasing the electric current density of electrolytic filling plating in the middle of the electrolytic filling plating and then increasing it again, two or more times before the electrolytic filling plating layers block an opening of the hole for a via hole.
Printed circuit board and manufacturing method thereof
There is provided a printed circuit board including: a first insulating layer; a first circuit pattern formed on a first surface of the first insulating layer; an adhesive layer provided on a second surface of the first insulating layer; and an electronic component disposed on the adhesive layer and enclosed by the first insulating layer and a second insulating layer formed on the first insulating layer.
Miniaturized multi-part component and method for producing same
A component includes a carrier and a functional structure on the carrier. A thin-film cover covers the functional structure and is used as a mounting base for a circuit part, which is arranged over the thin-film cover. The circuit part is connected to the functional structure by means of a lead.
Flexible hybrid substrate for display and method for manufacturing same
The present invention relates to a flexible hybrid substrate for a display and a method for manufacturing the same and, more specifically, to a flexible hybrid substrate for a display, which has a reduced occurrence of cracks, an improved level of flexibility, and can be used in a high-temperature process for manufacturing a display element, and a method for manufacturing the same. To this end, the present invention provides a flexible hybrid substrate for a display and a method for manufacturing the same, the flexible hybrid substrate for a display comprising: an ultra-thin plate glass; a first transparent thin film formed on one surface of the ultra-thin plate glass; and a second transparent thin film formed on the other surface of the ultra-thin plate glass, wherein the second transparent thin film includes a transparent conductive polymer.
Method for producing printed wiring board
Printed wiring boards, in which the insulating layer exhibits excellent peel strength with respect to a conductive layer after a roughening treatment, even when using a resin composition having a high content of inorganic filler, may be obtained by: (A) laminating, onto an internal layer substrate, an adhesive sheet which includes a support and a resin composition layer in contact with the support, so that the resin composition layer is in contact with the internal layer substrate; (B) thermally curing the resin composition layer to form an insulating layer; and (C) removing the support, when the support satisfies certain conditions (TD1) and (TD2) in a TD direction thereof when it is heated under specific heating conditions.
Substrate for printed circuit board, printed circuit board, and method for producing printed circuit board
A substrate for a printed circuit board according to an embodiment of the present invention includes a base film having insulating properties and a sintered layer formed of a plurality of metal particles, the sintered layer being stacked on at least one surface of the base film, in which a region of the sintered layer extending from an interface between the sintered layer and the base film to a position 500 nm or less from the interface has a porosity of 1% or more and 50% or less.
Differential interconnect with first and second transmission traces having a bend and including stub traces connected to the transmission traces
This disclosure relates generally to an electronic assembly and method having a first electrical connection point and a second electrical connection point and a differential interconnect coupling the first electrical connection point to the second electrical connection point, the differential interconnect including first and second transmission traces including a interior edges and a exterior edges opposite the interior edges, the second interior edge facing the first interior edge, and stub traces, each stub trace coupled to one of the first and second transmission traces and projecting from one of the first interior edge, the first exterior edge, the second interior edge, and the second exterior edge. A substantially equal number of stub traces project from the first exterior edge and the second exterior edge. At least twice as many stub traces project from the first and second exterior edges as project from the first and second interior edges.
Noise reducing electronic component
A noise reducing electronic component is used as mounted on a circuit board. The noise reducing electronic component includes: a floating electrode disposed so as to be capacitively coupled to a ground conductor of the circuit board; a radiation element connected to the floating electrode; and a shielding member to shield electromagnetic waves radiated from the radiation element. With this noise reducing electronic component, noise in a printed circuit board and the like can be reduced.
Method, device and system for facilitating heat dissipation from a circuit assembly
Techniques and mechanisms for providing efficient heat dissipation by a circuit assembly. In an embodiment, the circuit assembly includes an inductor and a packaged device coupled thereto, where the inductor forms heat dissipation structures on various respective sides of a ferromagnetic body. The packaged assembly includes a circuit board disposed in a mold material, where a metal core of the circuit board is thermally coupled to transfer heat from one or more circuit components of the packaged device to the inductor via one or more conductors extending from the package mold. In another embodiment, portions of the metal core have different respective vertical spans which contribute to different thermal conductivity characteristics across various regions of the circuit board.
Apparatus and method for plasma ignition with a self-resonating device
Methods and apparatus for igniting a process plasma within a plasma chamber are provided. One or more self-resonating devices are positioned within a plasma chamber relative to a plasma generation volume within the plasma chamber. The plasma generation volume is defined by the plasma chamber. Each of the self-resonating devices generates an ignition plasma. The ignition plasmas cause a partial ionization of an ignition gas. The partially ionized ignition gas allows for ignition of a process plasma by applying an electric field to the plasma generation volume.
Portable light source
A control unit for use in a lighting system. The control unit comprises: a localization module which detects when a portable lighting device is within a predetermined vicinity of a fixed light source; and a controller which selects between different roles for the portable light source, the roles comprising (i) an independent role where the light output of the fixed and portable light sources are controlled independently of one another, and one or both of (ii) a slave role where the light output of the portable light source is adjusted in dependence on that of the fixed light source, and/or (iii) a master role where the light output of the fixed light source is adjusted in dependence on that of the portable light source. The controller is configured to switch to one of the slave role or the master role in response to the detection of the predetermined vicinity.
Apparatus for controlling brightness of mobile phone screen
The present invention discloses an apparatus for controlling brightness of a mobile phone screen, which includes a light source module, configured to provide a light source for the mobile phone screen; a rectifier processing module connected to the light source module, configured to rectify an input power source; a silicon-controlled dimmer connected to the rectifier processing module, configured to adjust brightness of the light source; and a first constant current controller processing module connected to the rectifier processing module and the light source module, configured to provide an anode forward current necessary to sustain conduction of the silicon-controlled dimmer.
Segmental driving of light emitting circuits
Drivers (1-7) comprise respective switching circuits (1, 2) for guiding respective current signals during respective time-intervals for the sequential driving of light emitting circuits (91, 92). The respective time-intervals are defined by the fact that amplitudes of a mains signal are in respective ranges during the respective time-intervals. More specifically, there is a bypass switching circuit (5) for guiding a bypass current signal which bypasses all light emitting circuit (91, 92) during an initial time-interval. An adaptation circuit (6, 7) adapts amplitudes of the respective current signals during the respective time-intervals, to reduce a total harmonic distortion. Said adapting may comprise an adaptation in response to information derived from the amplitude of the mains signal, and may comprise shaping the amplitudes of the current signals in response to information derived from the amplitude of the mains signal. Preferably, the shaped amplitudes of the respective current signals will be substantially identical to shapes of the amplitude of the mains signal in the respective ranges. The adaptation circuit (6, 7) may comprise a current source (6) and a definition circuit (7).
A microwave oven includes: heating chamber (11) for accommodating a heating object; magnetron (12) for heating the heating object accommodated in heating chamber (11); blower (13) for cooling magnetron (12); temperature detection device (17) for detecting a temperature of magnetron (12); and a control device for controlling an output power of magnetron (12) on the basis of temperature information output from temperature detection device (17), wherein temperature detection device (17) is disposed inside cooling fin (19) of magnetron (12), and the control device controls magnetron (12) on the basis of the temperature information obtained before cooking is started, thereby reducing a temperature transfer loss of abnormal heat generated from magnetron (12) and efficiently transferring the heat.
Mineral insulated cable having reduced sheath temperature
A mineral insulated heating cable for a heat tracing system. The heating cable includes a sheath having at least a first, and optionally a second layer, wherein the thermal conductivity of the second layer is greater than a thermal conductivity of the first layer. In addition, the first and second layers are in intimate thermal contact. The heating cable also includes at least one heating conductor for generating heat and a dielectric layer located within the sheath for electrically insulating the heating, conductor, wherein the sheath, heating conductor and dielectric layer form a heating section. In addition, the heating cable includes a conduit for receiving the heating section. Further, the heating cable includes a cold lead section and a hot-cold joint for connecting the heating and cold lead sections. In addition, a high emissivity coating may be formed on the first layer.
Wireless device, method, and computer readable media for signaling a resource allocation in a high efficiency wireless local-area network
Apparatuses, computer readable media, and methods for indicating a resource allocation are disclosed. An apparatus of a high-efficiency wireless local area network (HEW) master station is disclosed. The HEW master station includes circuitry configured to generate a resource allocation for HEW stations, where the resource allocation includes a group identification and an index into a table. The circuitry is further configured to transmit the resource allocation to the HEW stations. The table may be a permutation table that indicates a sub-channel of a bandwidth for each of the HEW stations. The HEW master station may be configured to operate in accordance with orthogonal frequency division multi-access (OFDMA). The resource allocation may be part of a trigger frame that includes a duration for an uplink or downlink transmission opportunity, and the circuitry may be further configured to transmit data to the HEW stations in accordance with the resource allocation.
Encoded information reading terminal with user-configurable multi-protocol wireless communication interface
An apparatus may include a microprocessor and a wireless communication interface configured to perform at least one of receiving a first radio signal or transmitting a second radio signal. The microprocessor may be configured to execute at least one of a base-band encoder software program or a base-band decoder software program. The apparatus may be further configured to execute a wireless communication protocol selector software program that may be configured to optimize a value of a user-defined criterion in order to dynamically select at least one of a wireless communication network, a wireless communication protocol, and a parameter of a wireless communication protocol.
Multipath TCP subflow establishing on single IP connection
The present disclosure relates to a method, performed in a single IP-address source node in a wireless communication network, of establishing a multipath TCP, MPTCP, connection for transfer of TCP data in MPTCP subflows to a destination node. The single IP-address source node receives an MPTCP trigger to activate a multipath TCP connection. One or more source TCP ports are selected, wherein each source TCP port is selected to constitute a starting point of an MPTCP subflow. One or more MPTCP notifications are sent to the destination node. Each MPTCP notification includes information on a selected source TCP port. The single IP-address source node receives an acknowledgment of each MPTCP notification from the destination node.The present disclosure also relates to corresponding method performed in a destination node and a wireless device configured for establishing an MPTCP connection.
Method and apparatus for establishing communications with a remote node on a switched network based on hypertext calling received from a packet network
Disclosed is a system and a methodology enabling a first provider party to provide to a second recipient party software and services to enable the recipient party to embed in an Internet e-mail of the recipient party directed to an addressee, an HTML hyperlink file which includes a telecommunication initiating trigger, sending the e-mail to the addressee via the Internet, the addressee upon receiving the e-mail actuating the hyperlink via its trigger and, responsive to the trigger actuation, connecting the addressee via the Internet to a web page located on an Internet server, wherein the web page includes a request for a telephone number of the addressee. The addressee entering its telephone number information at the server, which information is communicated to a database associated with the server, the server communicating with the database and with a telephony switch, including sending to the switch instructions which result in the switch originating and managing a public switched telephone network (PSTN) communication between the recipient party and the addressee.
Apparatus and method for adjusting random access power control parameter
The embodiment of the present invention provides an apparatus and a method for adjusting a control parameter. The method in the embodiment of the present invention includes: obtaining, by a base station, random access information reported by multiple user equipment (UEs), where the random access information includes a contention conflict indication and a number of times of sending a preamble; collecting, by the base station, statistics on the random access information including contention conflict indication indicating a non-contention conflict; determining, by the base station, a first random access probability according to the random access information including contention conflict indication indicating a non-contention conflict; and adjusting, by the base station, a first random access power control parameter according to the first random access probability, where the first random access power control parameter is a preamble-initial-received-target-power.
Radio communication terminal, radio base station and radio communication method
The present invention is designed to realize RACH traffic off-loading. A radio communication terminal communicates with a radio base station by using a carrier that is different from the connecting carrier and includes an unlicensed band, and has a transmission section that transmits a cross-carrier RACH in the carrier including the unlicensed band, and a receiving section that receive a random access response that is transmitted from the radio base station having received the cross-carrier RACH.
Transmitting node and method therein for performing data transmissions to at least one receiving node on a radio channel in a wireless communications network
A transmitting node and a method performed by a transmitting node for performing data transmissions to at least one receiving node on a radio channel in a wireless communications network. First, the transmitting node sets at least two contention window sizes. The at least two contention window sizes are separately determined based on information associated with the least one receiving node. Then, the transmitting node defers a first transmission of data to the at least one receiving node for a first period and also defers at least one second transmission of data to the at least one receiving node. Further, the transmitting node performs a first or at least one second transmission of data to the at least one receiving node when an outcome of a corresponding first and at least second periods of observation of the radio channel, respectively, is that the radio channel is idle.
Scheduling assignment transmission timing for user equipment enabling device-to-device communication
This disclosure generally relates to scheduling assignment transmission timing by a base station for a D2D UE. In one embodiment, a base station may determine timing information for transmission of SA associated with a D2D Tx UE and then transmit the timing information to the UE. A D2D-grant signaling may also be transmitted from the base station to the UE. Responsive to receiving the D2D-grant signaling from the base station, the D2D Tx UE may firstly transmit the SA to other UE(s) according to the indicated timing information. In one embodiment, the timing information may be included in the D2D-grant signaling. In this way, timing of the SA transmission is determined by the base station and informed to the UE, and since the base station controls the SA transmission timings of in-coverage UEs, an appropriate timing of the SA transmission may be selected for the UE so as to guarantee UEs transmitting SAs have opportunities to receive the SA transmissions of other UEs.
Method and apparatus for transmitting and receiving signal for device-to-device terminal in wireless communication system
Disclosed is a method for transmission and reception of a device-to-device (D2D) signal by a terminal in a wireless communication system. The method for transmission and reception of a D2D signal, according to an embodiment of the present invention, comprises the steps of: receiving a scheduling assignment comprising a resources pattern for transmission (RPT); and receiving a D2D signal in a subframe indicated in the RPT, wherein each bit of the RPT indicates whether or not the D2D signal is permitted to be transmitted in the subframe within a scheduling assignment period, and wherein, if the number of the subframes comprised in the scheduling assignment period is greater than the number of the bits of the RPT, at least one bit of the RPT indicates whether or not the D2D signal is permitted to be transmitted in two or more subframes.
Method and apparatus for efficient utilization of resources for interference cancellation and suppression in wireless communication systems
The present invention relates to a method and an apparatus for transmitting interference related control information in order to improve reception performance of a UE which receives a downlink signal, in a cellular mobile communication system based on an Long Term Evolution-Advanced (LTE-A) system. A communication method of a UE according to an embodiment of the present invention includes receiving information on a resource allocation unit of an interference signal from an eNB; performing blind detection using information on the resource allocation unit of the interference signal; performing error-correcting coding using a transmission parameter for interference and a result obtained by the blind detection; and decoding reception data. According to an embodiment of the present invention, a reception performance of the UE can be improved through interference cancellation and suppression.
Mission critical data support in self-contained time division duplex (TDD) subframe structure
Various aspects of the present disclosure provide for enabling at least one opportunity to transmit mission critical (MiCr) data and at least one opportunity to receive MiCr data in a time division duplex (TDD) subframe during a single transmission time interval (TTI). The single TTI may be no greater than 500 microseconds. The TDD subframe may be a downlink (DL)-centric TDD subframe or an uplink (UL)-centric TDD subframe. How much of the TDD subframe is configured for the at least one opportunity to transmit the MiCr data and how much of the TDD subframe is configured for the at least one opportunity to receive the MiCr data may be adjusted based on one or more characteristics of the MiCr data. The MiCr data may have a low latency requirement, a high priority requirement, and/or a high reliability requirement. Various other aspects are provided throughout the present disclosure.
Medium access control schedulers for wireless communication
Wireless communication between a base station and at least one user equipment comprises the following. Each user equipment periodically measures channel quality of communication with the base station and transmits a channel quality indicator to the base station. The base station schedules communication with the at least one user equipment based upon the periodically transmitted channel quality indicators.
Method for signaling time and frequency resources allocation in wireless communication system
For performing K individual transmissions between an access point managing a cell of a wireless communications network to plural mobile terminals via time and frequency resources from amongst a predefined set of candidate time and frequency resources on a per frame period basis, one time and frequency resource being allocated to each one of the K individual transmissions in a considered frame period, the access point: obtains a frequency allocation descriptor F indicating which frequency resource is allocated in the considered frame period to each one of the K individual transmissions; obtains a frequency occurrence descriptor G indicating how many times each candidate frequency resource is used for performing the K individual transmissions in the considered frame period; signals the frequency occurrence descriptor G in said cell; and enables transmitting data for the K individual transmissions in accordance with the frequency allocation descriptor F and a predetermined frequency sequencing rule.
Method and processing device for determining transmission channel resources to be allocated for a communication
For determining transmission channel resources to be allocated for a communication, a processing device: obtains an interference profile representative of interference with said communication implied by at least one predicted interferer; determines, for each set of transmission channel resources made available to perform said communication, a first figure of merit representative of robustness to frequency-selective interference with said communication that might be implied by unpredicted interferers; determines from the interference profile, for each set of transmission channel resources made available to perform said communication, a second figure of merit representative of robustness to frequency-selective interference with said communication that is expected to be implied by predicted interferers; and selects transmission channel resources that optimize the first figure of merit under a QoS-target constraint applied to the second figure of merit.
Method and apparatus for controlling uplink coverage in wireless communication system
A method and an apparatus for controlling coverage of a base station in a wireless communication system are provided. The method includes determining a coverage control target terminal among terminals within a service radius of the base station and increasing a coverage of the coverage control target terminal.
Systems and methods for band-limited subframes in wireless networks
Systems, methods, and apparatuses for using band-limited subframes in wireless communication networks are provided. During the band-limited subframes, the macro cell base station may mute its transmission or transmit at a low power over some frequency sub-band, while transmitting at a normal or higher power over other frequency sub-band. Correspondingly, the small cell base station may communicate with UEs within its coverage at the frequency sub-band that the macro cell base station transmits at a low power. The band-limited subframe enables the small cell base station to communicate with the UE with reduced interference, and in the meantime, increases the throughput of macro cell base station as it does not require the macro cell base station to completely mute its transmission during the band-limited subframe.
Traffic advertisement in neighbor aware network (NAN) data path
A method of communication includes generating a traffic advertisement at a particular device. The traffic advertisement indicates availability of data to be sent by the particular device to multiple devices. The method also includes sending, from the particular device, the traffic advertisement during a paging window. The method further includes receiving an unavailable message from a first device of the multiple devices during a data transmission window that is subsequent to the paging window. The method also includes, in response to receiving the unavailable message from the first device, refraining from sending first data from the particular device to the first device during the data transmission window.
Communication apparatus and communication method
A communication apparatus and a communication method capable of suppressing an increase of bits used for a request to send a reference signal and flexibly setting a resource used for sending a reference signal. In a base station, a transmission processing unit transmits, in one of a plurality of formats, control information containing a request to send a sounding reference signal (A-SRS), and a reception processing unit receives the transmitted A-SRS using the resource specified by the format of the transmitted control information. Then, the plurality of formats is associated with each different SRS resource by a setting unit.
Receiver device, transmitter device, reception method, and transmission method
Provided is a receiver device that can switch between transmission methods, while minimizing increase in the number of blind decryption iterations and the amount of signaling needed for acknowledgement. In this device, a receiver part (201) receives a signal mapped to any of a plurality of mapping candidates; and according to application levels established for each of the plurality of mapping candidates, a control signal processor (205) performs blind decryption of the plurality of mapping candidates, employing either a first transmission method using a single antenna port to carry out precoding based on feedback information from the receiver device, or a second transmission method involving transmission diversity employing multiple antenna ports.
Dynamic selection of data exchange mode for telecommunication devices
Systems and processes may be implemented to evaluate current network conditions with respect to a telecommunication device and to dynamically toggle the device between a Multiple-input Multiple-output (MIMO) communication mode and a Carrier Aggregation (CA) communication mode. The device may use either the MIMO mode or the CA mode to exchange data with a network operator while remaining locked onto a primary base station. Thus, rather than being statically assigned based on a fixed priority to use a particular communication mode for data exchanges with the primary base station, for example assigning all MIMO 4×4 capable devices to use MIMO 4×4 throughout its time within a primary cell, a device may be dynamically assigned and re-assigned to use a plurality of different communication modes at different times based on which mode will achieve optimal performance.
Target cell selection for multimedia broadcast multicast service continuity
Transfer of Multimedia Broadcast/Multicast Services (MBMS) over a Single Frequency Network (MBSFN) service and idle mode unicast service for a mobile entity from a source base station to a target base station may be managed by a base station or mobile entity of a cellular wireless communications system (WCS). Operations related to the transfer may include obtaining an MBMS status of the mobile entity, and/or obtaining MBMS support information for the base station. A network entity may facilitate MBMS discovery by a mobile entity, by transmitting a data element to the mobile entity including service identifiers mapped to corresponding cell identifiers to indicate respective MBMS services to be broadcast in an WCS area on adjacent cells identified by respective ones of the cell identifiers. The MBMS services may be broadcast within the WCS area using the adjacent cells previously indicated in the data element.
Notification to mobile device of incoming call
A communication device may include a radio access technology (RAT) controller and two RAT receivers operatively coupled to the RAT controller. The first RAT receiver may be associated with a first RAT, and the second RAT receiver may be associated with a second RAT. The RAT controller may be configured to receive, using the first RAT receiver, while the second RAT receiver is off, a notification of an incoming voice call. The RAT controller may be further configured to cause the second RAT receiver to establish a connection with a wireless network cell associated with the second RAT and to receive the incoming voice call.
Method and system for positioning state transition
A method and system for detecting a transition in positioning state of a mobile device relative to an indoor facility. The method, executed in a processor of the mobile device, comprises monitoring, based at least in part on global positioning system (GPS) data, for a positioning state of the mobile device as one of an indoor and an outside location relative to an indoor facility, determining a set of probabilistic weightings for respective ones of ambient data and the GPS data, the ambient data including one or more of received signal strength data, signal connectivity data, magnetic data, ambient lighting data and barometric data, and detecting a transition in positioning state of the mobile device from one of the indoor and the outside locations to another of the indoor and the outside locations when a weighted sum value based at least in part on the set of probabilistic weightings is one of above and below a predetermined state transition value.
Method and apparatus for time synchronization in device-to-device communication
A method for matching time synchronization between UEs during Device-to-Device (hereinafter referred to as “D2D”) communication in a radio communication system without involving an Evolved Node B (ENB) is proposed. Using the proposed method, all the UEs can operate to match the time synchronization without malfunction in accordance with a synchronization signal of the ENB even if the UE inside an ENB area and the UE outside the ENB area coexist.
Method and apparatus for delaying resynchronization for D2D operation in wireless communication system
A method and apparatus for transmitting a synchronization signal for device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) determines that it is out of coverage (OOC). Even though the UE is OOC, the UE continues to transmit a D2D synchronization signal for in-coverage under a specific condition. If the UE determines that it is in coverage before the specific condition is met, the UE transmits the D2D synchronization signal for in-coverage. If the specific condition is met while the UE is OOC, the UE transmits the D2D synchronization signal for OOC.
Non-uniform transmission of synchronization signals
The base station that is configured to transmit in a beamformed manner may set different transmission rates for different directions of the beams. During an initial access stage, the base station may determine how densely user equipments are located in various regions surrounding the base station, and may assign more beams for transmission of an initial access signal in an area with more UEs. The apparatus may be a base station. The base station divides a region surrounding the base station into a plurality of sub-regions, where one region of the plurality of sub-regions covers a greater area than at least one other region of the plurality of sub-regions. The base station assigns each beam of a plurality of beams of the base station to a respective sub-region of the plurality of sub-regions. The base station transmits at least one initial access signal in each direction of the plurality of beams using a respective beam of the plurality of beams, each direction of the plurality of beams corresponding to a respective sub-region of the plurality of sub-regions.
Method and apparatus for configuring power headroom information in mobile communication system supporting carrier aggregation
A method and apparatus for configuring Power Headroom Report (PHR) of a User Equipment (UE) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a LCID for identifying extended PHR and L indicating a length of the extended PHR, and inserting Power Headrooms (PHs) of multiple activated carriers into the extended PHR of one of the carriers.
Controlling transmission of a wireless device associated with multiple access points
A device decides to not transmit over a first wireless link between a wireless device and a first access point (AP), in response to determining that the wireless device is communicating or is about to communicate over a second wireless link with a second AP, wherein the wireless device is concurrently associated with the first and second APs.
Network node and method for determining downlink transmission power for a downlink shared channel
A network node and a method performed by a network node for determining downlink transmission power for a downlink shared channel to be used in a Transmission Time Interval, TTI, by cells served by the network node in a wireless telecommunications network. The network node determines the downlink transmission power available to a cell for physical channels associated with the downlink shared channel based on downlink transmission power allocated in the cell to physical channels associated with a pilot signal downlink channel.
Vehicle mounted communication unit and service provision system
A TCU is provided to resolve an abnormal state while minimizing loss of convenience for a user. The TCU which communicates with a server terminal providing service for a vehicle via a mobile telephone network for receiving provision of the service, includes a main control unit, and a communication module for communicating with the mobile telephone network. The main control unit resets an operation state of the communication module when communication for receiving the service is not available.
Method and apparatus for controlling traffic in electronic device
A method for controlling traffic in an electronic device is provided. The method includes detecting a process request event for a first traffic, identifying whether the first traffic is allowed to be delayed, detecting whether a second traffic is generated if the first traffic is allowed to be delayed in a state where process of the first traffic is delayed, and processing the first traffic and the second traffic simultaneously if the second traffic is generated.
Portable electronic device with proximity sensors and identification beacon
An electronic device includes a housing, a user interface, and one or more processors operable with the user interface. At least one proximity sensor component is operable with the one or more processors and can include an infrared signal receiver to receive an infrared emission from an object external to the housing. At least one proximity detector component can be operable with the one or more processors and can include a signal emitter and a corresponding signal receiver. The one or more processors can actuate the at least one proximity detector component when the at least one proximity sensor component receives the infrared emission from the object, thereby causing the signal emitter to transmit a beacon having a unique identifier encoded therein. The beacon allows the device to determine the number and identity of other devices or persons within a thermal detection radius.
Method and apparatus for dynamically adjusting DRX settings of user equipment
A method and system for dynamically adjusting Discontinuous Reception (DRX) settings of user equipment (UE) is disclosed. The method dynamically adjusts DRX settings based on network operator provided service or location of the UE and converged services supported by the network and so on. The UE indicates the network for adjusting DRX settings when DRX settings needs to be changed based on above parameters. Further, the wireless network provides the DRX settings to UE based on parameters. The method provides subscription information of the UE to access network. The method dynamically adjusts the DRX settings when the UE is in a Femtocell area or the UE associated with features like One Number. The UE can initiate a inter UE session transfer to the other UEs. The UE indicates the network that the sessions have been transferred. The network applies possible signaling optimizations to the UE.
Base station device, radio access system, and method of controlling base station device
A base station device includes a processor. The processor is configured to acquire first information on a first communication load of the base station device. The processor is configured to determine, on basis of the first information, whether a first event occurs. The processor is configured to acquire, upon determining that the first event occurs, second information on second communication loads of other base station devices located within a predetermined range from the base station device. The processor is configured to determine an impact range and an impact time of the first event on basis of the first information and the second information. The processor is configured to instruct terminal devices within the impact range to change, during the impact time, a setting of discontinuous reception from a normal setting to a first setting for easier detection of an incoming call.
System and method for virtualized functions in control and data planes
Methods and apparatus for management of network slices in a communication network such as a 5th generation wireless communication network are provided. Management planes may be provided which are separate from the plurality of network slices. A connection manager residing in a management plane receives an indication that a mobile device is to be associated with the communication network. The connection manager may reside at an access node or in the core network. A network slice is determined, and the connection manager transmits instructions, to one or more network nodes, to associate the mobile device with the network slice. The instructions may be provided to a local connection manager. The slice may be requested explicitly by the mobile device, or determined based on device and/or network requirements.
Method for transmitting and receiving signal in communication environment in which multiple communication systems interwork, and apparatus therefor
A user equipment in a communication environment in which a plural communication systems interwork comprises: a processor for searching a base station of a first communication system, the base station having a signal intensity higher than a threshold; and a receiver for receiving information of a base station list of a second communication system adjacent to the terminal through a first communication system link from the searched base station of the first communication system, wherein the processor turns on a second communication system mode in the case of failing in random access channel (RACH) transmissions a predetermined number of times to the searched base station of the first communication system, wherein the receiver receives a beacon signal including an indicator which indicates support of an uplink transmission of the first communication system from base stations included in the information of the base station list of the second communication system; the processor recognizes that an uplink transmission is disabled or only a downlink transmission is enabled through the first communication system link based on the beacon signal; and the information of the base station list of the second communication system may include an indicator which indicates whether the base station of the second communication system supports a downlink (DL) or uplink (UL) transmission through the first communication system link.
Method and apparatus for receiving system information in wireless communication system
A method and apparatus for receiving system information in a wireless communication system is provided. A user equipment (UE) receives a system information modification from an eNodeB (eNB) on a UE-dedicated channel via a radio resource control (RRC) connection reconfiguration message, and receives at least one system information block from the enB according to system information modification.
System and method for applying extended accessing barring in wireless communication system
A system and a method that employs Extended Access Barring (EAB) when a Machine Type Communication (MTC) device performs an attempt to access an evolved Node B (eNB) in a wireless communication system are provided. When User Equipment (UE) supporting MTC, an MTC device, performs an attempt to access a network, the system and method determines whether it can access the network and performs the access procedure. The system and method can control the operations of UE that performs an attempt to access a network, thereby preventing excessive access.
System and method for applying extended accessing barring in wireless communication system
A system and a method that employs Extended Access Barring (EAB) when a Machine Type Communication (MTC) device performs an attempt to access an evolved Node B (eNB) in a wireless communication system are provided. When User Equipment (UE) supporting MTC, an MTC device, performs an attempt to access a network, the system and method determines whether it can access the network and performs the access procedure. The system and method can control the operations of UE that performs an attempt to access a network, thereby preventing excessive access.
Service providing method using a beacon and electronic apparatus thereof
A method for use in an electronic device includes: receiving, from a server, beacon information including a first function information. The first function information is associated with a first function, and the first function is executed in response to detecting that a beacon signal that is received from a beacon transmitter matches beacon information.
Various routing architectures for dynamic multi-hop backhauling cellular network and various methods useful in conjunction therewith
A hierarchical cellular network administration system operative to administrate for a hierarchical cellular network having a core, the hierarchical cellular network administration system comprising a link establishment initiator operative to generate link establishment commands; and relay manager functionality operative to establish at least one link between at least one relay in the hierarchical cellular network and all nodes in said cellular network desired to be served by said at least one relay, as per said link establishment commands generated by the link establishment initiator; and to control operation of links thus established.
Media distribution via a scalable ad hoc geographic protocol
Media is distributed via a scalable ad hoc geographic routing/broadcast protocol. Media can be transmitted from a mobile device to a cluster of mobile devices that are geographically located in a particular region. Devices that are located between the source and the intended target can act as routers with the ability to forward data packets toward the intended destination. In essence, a geocast network cloud is established, allowing any device within the cloud to communicate with any other device in the cloud. Devices in the network can constantly change position and the transmission path through the network can be constantly changing. The geocast protocol adapts to the changing conditions.
Cell change method, terminal, and network device
The present disclosure discloses a cell change method, a terminal, and a network device. By implementing this application, a problem that a receiving success rate of the change command cannot be improved when the another intra-frequency measurement event except the event 1D is triggered can be resolved.
Assignment and handover in a radio communication network
Systems and methods related to performing an assignment and a handover in a radio communication network are provided. In one exemplary embodiment, a method performed by a Mobile Switching Center (MSC) of a radio communication network may include seizing resources for a Time Division Multiplexed (TDM) bearer and an Internet Protocol (IP) bearer for use on a terrestrial A-interface of the radio communication network for an activity to be performed by a target Base Station Controller (BSC) of the radio communication network. Further, the method may include sending, to the target BSC, an indication that requests the activity be performed by the target BSC and that also identifies the seized resources for the TDM bearer and the IP bearer for use on the terrestrial A-interface for the activity
Method and apparatus for non-access stratum message processing during handover in evolved network
A method and an apparatus for non-access stratum (NAS) message processing during handover in an evolved network are provided. The method includes the following steps. An evolved packet core (EPC) receives a message which indicates that a UE is being handed over sent by a source evolved NodeB (S-eNB), and stops sending an NAS message to the UE temporarily. The EPC receives a message which indicates that the UE returns to an S-eNB service area sent by the S-eNB. The EPC sends the NAS message to the UE through the S-eNB, if needed. With the method and the apparatus, the EPC can acquire a location of the UE in time in the case of a handover failure of the UE, a time limit of a retransmission timer is set precisely, and a specific implementation for forwarding an NAS message through an X2 interface is provided.
Mobile communications network detection method and apparatus
Embodiments of the present invention provide a mobile communications network detection method and apparatus. The mobile communications network detection method comprises: receiving, by a network element management device, quality of service information sent by multiple network element devices on a transmission path of a service data flow, where the quality of service information is used for indicating quality of service of transmission of the service data flow by the network element devices, and the multiple network element devices include a base station device and a core network device; and determining, by the network element management device, quality of service of the transmission path of the service data flow according to the quality of service information sent by the multiple network element devices. The mobile communications network detection method and apparatus provided in the embodiments of the present invention are used to efficiently detect quality of service of service transmission.
Wireless access point devices having wireless networks operating in accordance with 802.11b/g 2.4 Ghz Wi-Fi can be affected by out-of-band interference caused by LTE small cell devices such as macrocells and femtocells. The wireless access points detect such interference devices using a flow processor to monitor the characteristics of data flows of devices connected to the wireless access point to determine whether they are LTE cells based on MAC address matching or the termination of a flow at a known mobile network operator gateway. When a cell is detected, the wireless access point scans for neighboring wireless networks of neighboring wireless access points which may also be affected by the interference generated by the LTE cell. A management server processes information relating the LTE cell and the neighboring wireless networks and generates a mitigation action to change the operational behavior of the wireless access point and any neighboring wireless access points to mitigate the effect of the detected interference device on the wireless networks.
Parameterized radio waveform techniques for operating in multiple wireless environments
Techniques for operating a wireless network in a plurality of radio operating environments are disclosed. In some embodiments, an apparatus receives a first parameter value set that is selected from a group of multiple parameter value sets, wherein the first parameter value set is appropriate for a first target radio operating environment that corresponds to one or more of: a first level of mobility of user devices or a first range of wireless transmission. In some embodiments, the apparatus is reconfigured to receive wireless broadcast transmissions from a second broadcast transmitter using a second parameter value set that is appropriate for a second target radio operating environment. The first and second broadcast transmitters may be the same or different. The parameter value sets may include a first parameter based upon which the apparatus is configured to determine subcarrier spacing and a second parameter that indicates a cyclic prefix size.
Method for managing access points in WiFi network
Some embodiments of the present disclosure provide a method for managing access points in a Wi-Fi network by using a centralized controller. In some embodiments of the present disclosure, a Wi-Fi access point management method is provided for minimizing interference between Wi-Fi access points in a Wi-Fi network environment, and for reducing excessive power consumption by using a centralized controller to adapt to network conditions, meeting requirements including users' traffic demands.
Secure distribution of electronic content
A method of accessing electronic content received by a mobile device includes: determining a current location of the mobile device; comparing the current location with a zone within which an instance of electronic content may be accessed; when the result of the comparison indicates that the mobile device is located within the zone, accessing by the mobile device the instance of electronic content and providing at least part of the instance of electronic content for display on the mobile device; determining a new current location of the mobile device while the instance of electronic content is being accessed; and checking that the new current location of the mobile device is with the zone. If the mobile device is no longer within the zone, access by the mobile device to the instance of electronic content is terminated.
SIM level mobile security
Mobile security techniques may protect information stored on a subscriber identity module (SIM) card as well as services that are accessible through the SIM card from unauthorized use. The techniques include receiving a service request to perform a security function at a server. The security function may affect a service provided to a mobile device by a telecommunication network, in which the mobile device obtains the service using a SIM card. The techniques further include performing the security function. The performance of the SIM function may be terminated in response to the server receiving a reversion command or an expiration of a predetermined time period.
Enpoint security appliance/sensor platform
Some embodiments include a privacy/security apparatus for a portable communication device that includes a housing assembly configured to attenuate acoustic and light energy, and an audio channel comprising a microphone and speaker that can play input derived primarily from either the microphone or from a different audio source. The privacy/security apparatus includes a Digital Signal Processor (DSP) that can receive the input from the microphone and provide the input to the speaker or process the microphone input prior to providing speaker, and seed to generate a masking signal provided to one or more speakers with an output that is played to one or more microphones of a portable communication device. Further, the privacy/security apparatus includes a microprocessor configured and arranged to: i. load software on the DSP, and ii. provide control of a user interface that controls at least some functions of the apparatus.
Validation service portal for wireless location management
A method, system, and medium are provided for validating the identity or authority of a user of a wireless device to consent to providing geographic locations of their respective wireless device to a third-party application. Upon receiving a request to validate the authority of a user to consent to providing of geographic locations, the user is automatically redirected to a validation service portal. The validation service portal verifies the identity or authority of the user to consent by requiring the user to provide identification information. The identification information is compared to identification information in one or more databases to determine if the user has the authority to consent. An indication is provided by the validation service portal to the third-party application of whether the user has the authority to consent. The third-party application then initiates location-based services based on the indication.
Apparatuses, methods and systems for implementing a trusted subscription management platform
Apparatuses, methods, and computer readable storage media are provided for implementing a trusted subscription management platform. An example server device is configured to transmit, to a trusted UI client of a mobile station, information regarding a set of virtual SIM cards associated with the mobile station, and receive, from the trusted UI client of the mobile station, a request to provision a particular virtual SIM card. The server device is further configured to initiate, by an SM-SR module and via a trusted baseband client of the mobile device, a secure proxy channel between the server device and a profile manager that hosts the particular virtual SIM card, and transmit, via the secure proxy channel and to the profile manager, an instruction regarding the particular virtual SIM card. Corresponding methods and computer readable storage media are provided.
Device and operation method thereof
A device is disclosed. The device includes a communication unit configured to transmit a subscription request to a primary subscriber device and receive a provisioning profile in response to the subscription request and a universal integrated circuit card (UICC) configured to be provisioned based on the received provisioning profile.
Group management of devices methods, apparatuses and systems
Embodiments include apparatuses, methods, and systems including a wireless transceiver, a processor coupled to the wireless transceiver, and a group management module operated by the processor to control the wireless transceiver to receive information pertaining to services offered by a plurality of devices co-located with the apparatus at a location, transmit the received information pertaining to the services offered by the plurality of devices, and information pertaining to services offered by the apparatus; and detect a response to the transmission by a new device; and manage, as a master device, the received information pertaining to the services offered by the plurality of devices and the services offered by the apparatus to enable the new device to join and cooperate with the plurality of devices and the apparatus at the location. Other embodiments may also be described and claimed.
Ad-hoc wireless communication network including wearable input/output transducers
One or more sensors gather data, one or more processors analyze the data, and one or more indicators notify a user if the data represent an event that requires a response. One or more of the sensors and/or the indicators is a wearable device for wireless communication. Optionally, other components may be vehicle-mounted or deployed on-site. The components form an ad-hoc network enabling users to keep track of each other in challenging environments where traditional communication may be impossible, unreliable, or inadvisable. The sensors, processors, and indicators may be linked and activated manually or they may be linked and activated automatically when they come within a threshold proximity or when a user does a triggering action, such as exiting a vehicle. The processors distinguish extremely urgent events requiring an immediate response from less-urgent events that can wait longer for response, routing and timing the responses accordingly.
Emergency services delivery
A cell broadcast emergency services delivery mechanism for vehicular Internet of Things (IoT) communication is provided. A method can comprise receiving, from a federal emergency management agency device, first data representing federal management emergency event data, aggregating second data representing an emergency event associated with a vehicle with the first data to form third data, based on the emergency event data and the third data, determining a commonality between the first data and the second data, in response to determining the commonality between the first data and the second data, generating metadata, and broadcasting the metadata to the vehicle.
Method and apparatus for transmitting and receiving data in mesh network using Bluetooth
Disclosed herein are a method for performing, by a first node, a relay function in a Bluetooth mesh network and an apparatus performing the method. The method includes transmitting a first message for activating or deactivating the relay function of the first node to a plurality of neighboring nodes when a specific event is generated and activating or deactivating the relay function depending on whether a first indication message to request the activation of the relay function is received or not in a response to the first message within a first specific time from at least one of the plurality of neighboring nodes. The specific event is one of receiving a command indicating the setting of the relay function, a specific cycle, or receiving a second message for activating or deactivating the relay function from the neighboring nodes.
Information processing device, information transmission control device, information processing method, information transmission control method, program, and information processing system
Provided is an information processing device including: a processing unit configured to, when an information transmission control device is detected based on a signal transmitted from the information transmission control device using first communication, cause user information indicating a user to be transmitted to the information transmission control device using second communication whose communicable range is narrower than the first communication, and to acquire, using the first communication, distribution information transmitted from the information transmission control device that has acquired the user information.
System and method for machine to machine subscriber information and retrieval protection
Systems and methods utilize a machine type communication interworking function and mapping function to manage and route requests from a variety of devices in data networks.
User protection method using smart phone case
A user protection method using a smart phone case includes: installing a screen-lock application driven with electric signals of at least one of a fingerprint recognition sensor and the case of the smart phone and a reporting application running in conjunction with the screen-lock application, and setting a predetermined option; unlocking the smart phone and simultaneously running the reporting application, if a registered fingerprint is recognized in the fingerprint recognition sensor or if the smart phone receives an electric signal; sending a designated server report data created by capturing and recording a field situation through a camera and microphone of the smart phone that work in conjunction with the reporting application; and linking report data to a predetermined website, converting an address of the website and position information of the smart phone into text message formats, and sending the conversion results to a guardian's smart phone.
System and method for micro-locating and communicating with a portable vehicle control device
A system for micro-locating a portable device including: a plurality of proximity sensors disposed within a vehicle, wherein the proximity sensors are disposed at different locations from each other, and wherein the proximity sensors are each configured to broadcast a signal; a portable device configured to receive the signals broadcast from the proximity sensors to determine its location with respect to the vehicle; and a control module disposed within the vehicle and configured to enable or disable vehicle control features of the portable device based on the location of the portable device.
UE motion estimate in unconventional cell deployments
Some embodiments relate to a user equipment device (UE), and associated methods for enabling the UE to estimate motion of the UE based on cell type. In some embodiments, in response to determining that a serving cell of the UE is not a macro cell, a motion estimation algorithm may be disabled for at least a first time period and when the first time period lapses, the motion estimation algorithm may be partially enabled to estimate speed of the UE for at least a second time period. In response to the speed of the UE remaining above a speed threshold for at least the second time period, the motion estimation algorithm may be fully enabled. In response to the speed of the UE not remaining above the speed threshold for at least the second time period, the motion estimation algorithm may be disabled for at least a third time period.
Mobile device position determining method and determining apparatus, and mobile device
Embodiments of the present disclosure disclose a mobile device position determining method and determining apparatus, and a mobile device comprising the determining apparatus. The method comprises: determining that a mobile device is in a first state, wherein in the first state, the mobile device is located at a first position relative to a user; determining that a state of the mobile device is changed from the first state to a second state; acquiring position difference information between a second position of the mobile device relative to the user in the second state and the first position; and determining the second position at least according to the first position and the position difference information. The technical solutions of the embodiments of the present disclosure can conveniently and accurately determine a position of a mobile device relative to a user, so as to make previous preparations for adjusting a function state thereof according to an environment where the mobile device is located.
System and method for selecting and serving content items based on sensor data from mobile devices
Sensor data having values received from several sensors of a mobile device and response data associated with the sensor data may be used in the determination or training of a predictive model. Received sensor data may be input into the predictive model, and the output of the predictive model may be used in the selection and serving of content items to the mobile device. Data to effect presentation of the selected content item may be outputted to the mobile device to effect presentation. In some instances, the predictive model may be updated using the received plurality of values. The updated predictive model may be used in the selection of a subsequent content item for the mobile device. In other implementations, historical sensor data may be used with the set of received sensor data as input for the predictive model.
Dynamic geo-fence size adjustment
In one embodiment, a method for dynamically adjusting a location based geo-fence based on current or predicted weather is provided. The method includes determining a target number of users to be reached for an area using a geo-fence and receiving an indication of a predicted meteorological event for the area covered by the geo-fence. The method further includes generating a predicted number of users that will trigger the geo-fence based on: a desired location, a current size, and a predicted effect the predicted meteorological event will have on the number users that trigger the geo-fence. The method further includes, responsive to the predicted number of users being below a threshold, increasing the size of the geo-fence such that the predicted number of users at least meets the threshold and sending a notification to a given user of the number of users in response to the given user triggering the geo-fence.
Tracking device operation in risk-classified zone
Tracking devices can be associated with safe zones, smart zones, and high risk zones. Safe zones correspond to regions where a likelihood that a tracking device is lost within the safe zone is lower than outside the safe zone. High risk zones correspond to regions where a likelihood that a tracking device is lost within the high risk zone is higher than outside the high risk zone. Smart zones correspond to an expected tracking device, mobile device, or user behavior. Home areas are geographic regions in which a user resides, and travel areas are geographic regions in which a user does not reside. A tracking device can be configured to operate in a mode selected based on a presence of the tracking device within a safe zone, a smart zone, a high risk zone, a home area, or a travel area.
Techniques for wide area network based vehicle-to-vehicle signaling
Techniques are described for wireless communication. A method for wireless communication at a first base station (e.g., corresponding to, associated with, or included in a first cell) includes receiving location information from a vehicle; identifying, based at least in part on the location information, a plurality of cells from which to broadcast a location message associated with the vehicle, where the plurality of cells include at least a cell of a second base station; and communicating with at least the second base station regarding a broadcast of the location message. A method for wireless communication at a vehicle include transmitting location information from the vehicle to a base station on an access stratum (AS) layer, and transmitting location message information to the base station. Numerous other aspects are provided.
Systems and methods for optimizing message notification based on geographic location and time
Systems and methods are provided for optimizing delivery of messages to mobile device users, the method comprising receiving a message to be sent to a client application executable at a mobile device of a user, along with an associated time constraint and an associated geographic constraint; determining a current time at the mobile device and a current geographic location of the mobile device via a communication network; determining, upon receiving the current geographic location of the mobile device and the current time of the mobile device, whether the current geographic location of the mobile device complies with the associated geographic constraint for the message to be sent to the client application and determining whether the current time of the mobile device complies with the associated time constraint for the message to be sent to the client application; and sending, when the current geographic location of the mobile device is determined to comply with the associated geographic constraint and when the current time of the mobile device is determined to comply with the associated time constraint, the message for display to the user at the mobile device via a message notification interface of an operating system of the mobile device.
Ground-based location systems and methods
Methods and devices of various embodiments provide enhanced location services by leveraging a system of beacon devices each broadcasting data that is useful in calculating locations and report of the trustworthiness of neighbor beacon devices. Various embodiments include a method performed by a beacon device that may include obtaining location data using a first functionality, evaluating sensor data to identify a breach of trust condition at the beacon device, generating authentication data that indicates any identified breach of trust condition, receiving one or more neighbor beacon broadcast messages using a second functionality, determining whether the one or more neighbor beacon broadcast messages include trustworthy location data, and broadcasting an outgoing broadcast message that includes the obtained location data, timing data, the generated authentication data, and data indicating whether the one or more neighbor beacon broadcast messages include trustworthy location data.
Method and apparatus for processing audio signal based on speaker location information
A method of processing an audio signal is provided. The method includes acquiring location information and performance information of a speaker configured to output an audio signal, selecting a frequency band based on the location information, determining a section to be strengthened from the selected frequency band with respect to the audio signal based on the performance information, and applying a gain value to the determined section.
Provided is a speaker device, which includes speaker units having different diameters and sound emission directions, and which is capable of suppressing variations in sound quality at a listening position, which are caused by changing an orientation in which the speaker device is installed. A speaker device has first and second speaker units, which have different diameters and sound emission directions, mounted thereto. A controller is configured to control, depending on the orientation in which the device is installed, an equalizer correction unit to correct frequency characteristics of acoustic signals input to the first and second speaker units so that sound quality is not varied at the listening position depending on the difference in diameter and sound emission direction.
File generation device, file generation method, file reproduction device, and file reproduction method
The present disclosure relates to a file generation device, a file generation method, a file reproduction device, and a file reproduction method that enable reproduction of multi-channel liner PCM audio data in a file format. AudioSampleEntry is extended and a box specifying ORG LPCM (ORGLPCMSpecificBox) is assigned immediately thereafter. The box specifying ORG LPCM (ORGLPCMSpecificBox) is configured of fields, namely, from the top, audio data size (the number of bytes) (audio_data_payload_size), channel assignment (channel_assignment), sampling frequency (sampling_frequency), number of bits of the sample (quantization bitrate) (bits_per_sample), and reservation area (reserved). The present disclosure can be applied to a signal processing system including a file generation device and a file reproduction device, for example.
Apparatuses for controlling and positioning hearing aid components in ear canals
An apparatus for controlling and positioning a device in a body cavity includes a cap that increases the maneuverability of the device in the body cavity as the device is positioned in the body cavity. In certain examples, the apparatus for controlling and positioning an ear canal component of a hearing aid in an ear canal includes a cap having a having a plurality of gripping structures and a projection that defines a plurality of grooves between the projection and the plurality of gripping structures; and a sidewall opposite the plurality of gripping structures and defining a cavity configured to receive the ear canal component. The cap and the sidewall are configured to couple with the ear canal component.
Acoustically summed reference microphone for active noise control
A headphone including a circumaural or supra-aural ear cup having an ear cup housing wall which forms an interior chamber within the ear cup. A transducer is positioned within the interior chamber for producing an acoustic output to a user and an active noise control assembly positioned within the interior chamber. The active noise control assembly including a reference microphone, the reference microphone is acoustically coupled to a plurality of reference input ports spaced around the ear cup housing wall such that a sound input from each of the different spacial locations around the ear cup housing wall is received by the reference microphone and acoustically summed to provide a reference audio signal indicative of the sound input at the different spacial locations. The headphone further including a processing circuit operable to generate an anti-noise signal from the reference audio signal.
Registering a terminal into a multi-service network
A system includes a terminal, a wireless access network, an IP telephony network, a core network gateway from the IP telephony network to the public mobile phone network and a network device, which connects the wireless access network to the IP telephony network and adapts the IP telephony network services to be used by utilizing the circuit-switched signaling protocols of the terminal. A location updating request is received from the terminal over the wireless access network. Location updating is performed via a core network gateway. The network device performs user registration to the IP telephony network using a domain name formed by the phone number of the user and the domain name of the network device or the numeric IP address as the address connection to be registered and as location data in the IP telephony network.
Method for protecting decryption keys in a decoder and decoder for implementing said method
Method for securing control words within a decoder in charge of descrambling digital content protected by these control words, comprising the following steps: for each descrambling unit of this decoder, loading in a directory a pairing key referenced by an identifier associating said key to a descrambling unit; receiving at least one encrypted control word referenced by an indication allowing to identify the descrambling unit for which it is intended; decrypting the control word by using a first key shared with a security module; identifying in the directory the pairing key whose identifier corresponds to the indication of destination associated to the control word; encrypting this control word by using this pairing key; and storing in a register the control word in a chronological and referenced way.
Methods and systems for media consumption
Methods and apparatus for increasing media consumption. The present invention can provide viewers increased access to content of interest across various platforms, such as online articles, online audio and video clips, and television and radio broadcasts. In an embodiment, an individual viewing content online, such as a news article, is given a link. The link provides the viewer access to a list of content related to the article being viewed. The related content is not limited to the platform related content across, and allows the user to view the content, automatically set the content to be recorded by a digital video recorder, or reserve the content for future viewing. By providing the user with convenient access to content across platforms, they are more given media content of interest. Accordingly, viewership of this content will increase through this connection of individuals with content that aligns with their interests.
Systems and methods for creating and storing reduced quality video data
A method for storing video data according to one embodiment includes receiving a video signal comprising television programming, and converting the video signal to video data. Additionally, the method includes storing first temporal-based portions of the video data in files on a first storage device, storing second temporal-based portions of the video data in files on a second storage device, and creating reduced quality video data from the video data based on the first and/or second temporal-based portions of the video data. Further, the method includes outputting the first temporal-based portions of the video data and/or the second temporal-based portions of the video data, outputting the reduced quality video data to a first device via a network, and outputting the first temporal-based portions of the video data and/or the second temporal-based portions of the video data to a second device via the network.
Content utilization paramerization
Feedback regarding a presentation may be received from viewers who have viewed the presentation. In some instances, the presentation may be segmented into a plurality of segments and one or more discrete segments included in the plurality may be divided into a plurality of sub-segments. The presentation may be provided to the plurality of viewers and feedback regarding a discrete sub-segment of the plurality of sub-segments may be received from each of the plurality of viewers via the feedback mechanism. A report based on the received feedback information may then be generated.
Multi-sensory environment room
A system is disclosed that relates to a system for creating a multi-sensory environment room and more particularly to a system that enables the environment of a room to be selectively controlled to provide an integrated multi-sensory experience which includes video, sound and ambient scent technology which are all directed to a common theme which can be selectively customized. The multi-sensory environment room provides a calming and memorable setting that can showcase the decedent's life in a refreshing, upbeat setting. For example, a visual of waves crashing at the shore paired with the smell of fresh, salty air and the sounds of seagulls and surf of a special place shared with the decedent. Alternately, the environment can be personalized with sounds and scents that recreate the family memories or a patriotic theme that can highlight your loved one's values and devotion to country. A custom or stock video can be displayed using the ‘picture within a picture’ feature to customize the experience even more. The multi-sensory environment system overcomes formal stoic environment, for example, of a funeral home and lowers the anxiety of the decedent's family members and guests in attendance.
System and method for reach and frequency estimator
Embodiments utilize viewership data collected via a set top box (STB) at individual households (HHs) to enable a network operator to recommend ad spots to customers based on a percentage of HHs that are likely to view the ad spots (e.g., the % of HHs reached by the ad spots), and/or based on the average number of times (e.g., average frequency) that the reached HHs are likely to view the ad spot. Embodiments compile the available network/daypart ad spots per broadcast week, and determine a number of ad spots for each network/daypart that satisfy a reached threshold of HHs, and/or satisfies the minimum frequency threshold.
Digital overlay offers on connected media devices
A computing device includes memory for storing commercial metadata and offer metadata harvested from within an offer distribution network. A processor compares the commercial metadata related to a broadcast commercial to be streamed to a client media device with the offer metadata related to available offers from offer providers, to generate a comparison. The processor then selects an offer from the available offers based on the comparison; determines when and over what video stream the broadcast commercial is to be streamed; detects that a screen device is paired to the client media device; and delivers the offer to a display of the screen device during streaming of the broadcast commercial over the video stream to the client media device. When a user of the screen device selects an indicia of the offer, the offer is collected into a virtual wallet from which the offer can be redeemed in various ways.
Targeting content based on location
Assets of broadcast network content are targeted to network users of interest based on location information regarding user equipment devices. Asset providers can specify location targeting criteria via a graphical user interface displaying mapping information. This location targeting criteria can then be compared to location information regarding user equipment devices so that assets are delivered to appropriate devices. The comparison of the location targeting criteria to the device location information can be performed at the user equipment devices or at another location. In the latter case, the assets can be addressed to appropriate user equipment devices or appropriate user equipment devices can be directed to select the asset, which is broadcast via the network. In this manner, assets can be targeted to individual network users on a basis independent of network topology.
Dynamic scheduling and channel creation based on user selection
A content packaging and distribution system that handles distribution of channels to be viewed on a plurality of consumer devices, receives a media feed and a first programming schedule of a first channel from a source device. An input that corresponds to a user-selection is received on a first consumer device of the plurality of consumer devices over a distribution system, and a media item to be inserted in the media feed of the first channel is determined based on criteria related to the user-selection. The determined media item may be dynamically scheduled in the media feed of the first channel to be delivered over the distribution system to be viewed on the first consumer device, based on the user-selection related criteria. The user-selection includes a first criterion that corresponds to a real time or a near-real time user input corresponding to the user-selection on the first consumer device.
Method and system for verifying scheduled media assets
Systems and methods are described herein for validating content scheduled to be transmitted from a content source. The system may generate a media fingerprint of the content that is transmitted during a specific time from a specific content source. The system may then compare the media fingerprint with media fingerprints in a database of known media assets. When a match is found, the system may retrieve a unique identifier associated with the matched fingerprint. The system may further determine a unique identifier associated with generated media fingerprint. The system may then compare the two identifiers and if the unique identifiers match the media asset is validated. If the unique identifiers do not match, a discrepancy is found and various actions may be taken in response.
Custom data indicating nominal range of samples of media content
A media processing tool adds custom data to an elementary media bitstream or media container. The custom data indicates nominal range of samples of media content, but the meaning of the custom data is not defined in the codec format or media container format. For example, the custom data indicates the nominal range is full range or limited range. For playback, a media processing tool parses the custom data and determines an indication of media content type. A rendering engine performs color conversion operations whose logic changes based at least in part on the media content type. In this way, a codec format or media container format can in effect be extended to support full nominal range media content as well as limited nominal range media content, and hence preserve full or correct color fidelity, while maintaining backward compatibility and conformance with the codec format or media container format.
System for social media tag extraction
A system for extracting and monitoring media tags within video content includes at least one server in communication with a plurality of content sources, the server receiving video content from the content sources, a recorder saving the video content, a detector receiving at least one frame of the video content, the detector detecting one or more unknown text within the frame and creating one or more images, each image associated with one of the one or more unknown text, the detector generating metadata associated with the one or more unknown text appearing in the frame, and an optical character recognition engine scanning the one or more images and converting the one or more images into one or more known text. The server further determines that the one or more known text is a media tag.
System and control protocol of layered local caching for adaptive bit rate services
A system for layered local caching of downstream shared media in a hierarchical tree network arrangement includes a first network node on a first distribution network having a first caching controller. The first network node configured to store a video segment transmitted on the first distribution network based on a first instruction received by the first caching controller from a central caching controller communicatively coupled to the first distribution network. The central caching controller is located upstream from the first network node. The system includes a second network node on a second distribution network having a second caching controller and communicatively coupled to the first network node. The second network node configured to store a video segment transmitted on the second distribution network based on a second instruction received by the second caching controller from the first caching controller.
Methods and apparatuses for encoding an HDR images, and methods and apparatuses for use of such encoded images
Encoding a high dynamic range image (M_HDR), comprising: 1. converting the high dynamic range image to an image of lower luminance dynamic range (LDR_o) by applying the acts of: a) scaling the high dynamic range image to a predetermined scale of the luma axis such as [0,1], b) a sensitivity tone mapping which changes the brightnesses of pixel colors falling within at least a subrange comprising the darker colors in the high dynamic range image, c) a gamma function, and d) applying an arbitrary monotonically increasing function mapping the lumas resulting from performing the acts b and c to output lumas of the lower dynamic range image (LDR_o); and 2. outputting in an image signal (S_im) a codification of the pixel colors of the lower luminance dynamic range image (LDR_o), and 3. outputting in the image signal (S_im) values encoding the functional behavior of the above color conversions as metadata, or values for the inverse functions, which metadata allows to reconstruct a high dynamic range image (Rec_HDR) from the lower luminance dynamic range image (LDR_o).
Method and apparatus for image encoding and decoding using intra prediction
Provided are a method and apparatus for intra predicting an image, which generate a prediction value via linear interpolation in horizontal and vertical directions of a current prediction unit. The method includes: generating first and second virtual pixels by using at least one adjacent pixel located upper right and lower left to a current prediction unit; obtaining a first prediction value of a current pixel via linear interpolation using an adjacent left pixel located on the same line as the first virtual pixel and the current pixel; obtaining a second prediction value of the current pixel via linear interpolation using an adjacent upper pixel located on the same column as the second virtual pixel and the current pixel; and obtaining a prediction value of the current pixel by using the first and second prediction values.
Method and system for encoding a video stream
A method is performed in an encoder for encoding a video stream captured by a camera, and a computer program product and encoder implementing the method.
Video decoding method/device of detecting a missing video frame
Video decoding device is disclosed. The video decoding device comprises a demultiplexer, a first decoder and a controller. The demultiplexer receives a Transport Stream to recover video Packetized Elementary Stream (PES) to determine a presentation time stamp (PTS) and a decoding time stamp (DTS) in a PES header of the PES. The first decoder retrieves a video frame from the video PES to determine temporal reference of the video frame. The controller receives the PTS, the DTS, and the temporal reference to determine whether there is a missing video frame.
Device and method for image encoding and decoding
When a randomly-accessible inter picture is encoded, a prediction image generator sets a reference picture from among a plurality of randomly-accessible intra pictures, and performs a motion-compensated prediction using the set reference picture for a prediction process, and a variable length encoding unit 13 encodes both picture position information showing the position of the reference picture, and identification information showing that the randomly-accessible inter picture is randomly accessible, and multiplexes encoded data about both the picture position information and the identification information into a bitstream.
Dynamic image predictive encoding and decoding device, method, and program
A video predictive encoding device can include an input device to implement input of pictures constituting a video sequence; an encoder to encode the pictures by intra-prediction or inter-prediction and to encode output order information of each picture and information about a picture type of each picture to generate compressed picture data. The compressed picture data includes a picture to serve as a random access point. The video predictive coding device can also include a reconstruction unit to decode the compressed picture data to reconstruct pictures; a picture storage unit to store one or more of the reconstructed pictures as reference pictures to be used for encoding of a subsequent picture; and a controller to determine the picture type and control the picture storage unit based on the determined picture type. The controller can label each picture as one of following three types: CRA picture, type-1 picture and type-2 picture.
Image coding apparatus and method
An image coding apparatus and method capable of suppressing a decrease in coding efficiency. The image coding apparatus includes: a coding unit that codes image data configured by plural layers; an interlayer prediction-related information generating unit that generates information relating to an interlayer prediction of the current slice in a case a layer of the current slice is an enhancement layer, and a slice type of current slice is a P slice or a B slice; and a transmission unit that transmits coded data of the image data generated by the coding unit and the information relating to the interlayer prediction generated by the interlayer prediction-related information generating unit. The apparatus and method, for example, may be applied to an image coding apparatus that scalably codes image data or an image decoding apparatus that decodes coded data acquired by performing scalable coding of the image data.
Flexible data organization for images
A system, a method and computer-readable media for encoding image data into a compressed bitstream. A mode selection component is configured to select a mode of operation for use in encoding image data. A spatial mode encoder is utilized when the mode selection component selects a spatial mode of operation. The spatial mode encoder is configured to encode the image data into packets by organizing the image data in accordance with a spatial partitioning. A frequency mode encoder is utilized when the mode selection component selects a frequency mode of operation. The frequency mode encoder is configured to encode the image data into packets by organizing the image data in accordance with a frequency ordering.
Video quality measurement
A particular implementation receives a bitstream and derives parameters from the bitstream. The parameters include quantization parameters, content unpredictability parameters, ratios of lost blocks, ratios of propagated blocks, error concealment distances, motion vectors, durations of freezing, and frame rates. Using these parameters, a compression distortion factor, a slicing distortion factor, and a freezing distortion factor are estimated respectively for distortions resulting from video compression, a slicing mode error concealment, and a freezing slicing mode error concealment. The distortion factors are then mapped to a composite video quality score. For applications with limited computational power, the estimation of distortion factors can be simplified. In particular, the compression distortion factor, the slicing distortion factor, and the freezing distortion factor can be predicted from quantization parameters, ratios of lost blocks, and durations of freezing, respectively.
Cross-channel residual prediction
Systems, apparatus and methods are described including determining a prediction residual for a channel of video data; and determining, using the first channel's prediction residual, a prediction residual for a second channel of the video data. Further, a prediction residual for a third channel of the video data may be determined using the second channel's prediction residual.
Multi-layer display of content on a flexible display
Multi-layer display of content on a flexible display is provided. A roll profile of a rolled transparent flexible display is detected, the rolled transparent flexible display forming a plurality of overlapping display layers of the transparent flexible display. Content is then displayed on the plurality of overlapping display layers, where different portions of the content are displayed on different display layers of the plurality of display layers to present the content as three-dimensional content.
Display apparatus and image processing method
A method of processing an image in a display apparatus includes receiving an image from an external source, processing the received image by applying depth information to at least one pixel among pixels constituting the received image according to occurrence of a preset event, and displaying the processed image.
Embedding calibration metadata into stereoscopic video files
A computerized system for displaying stereoscopic three-dimensional (3D) video recorded on a stereoscopic camera device includes a computer store containing data. The data includes a stereoscopic video feed of two or more stereoscopic images from a stereoscopic video capture device, wherein the stereoscopic video feed comprises a plurality of contemporaneous metadata feeds, wherein a metadata feed comprises a time sequenced set of metadata obtained from a sensor of the stereoscopic video capture device. The computerized system includes a computer processor in the stereoscopic video capture device, which computer processor is coupled to the computer store and programmed to obtain the stereoscopic video feed from the computer store, parse the plurality of contemporaneous metadata feeds from the stereoscopic video feed, and calibrate the stereoscopic video feed for display in a display of a user's computing device using the plurality of contemporaneous metadata feeds.
Multiview video coding method using non-referenced view video group
A multiview video coding method and device used in coding of non-referenced view video groups. A view compensation pattern and a parallelization view pattern are determined based on video characteristics, such as the number of bits of each frame of a first non-referenced view video group among the non-referenced view video groups, the difference between the number of bits of each frame and the number of bits of a left reference view image, the difference between the number of bits of each frame and the number of bits of a right reference view image. A view compensation pattern and a parallelization view pattern of a successive non-referenced view video group are determined as the view compensation pattern and the parallelization view pattern of the first non-referenced view video group, whereby multiview video images are coded at a high coding rate without deteriorating image quality.
Region-of-interest based 3D video coding
Systems, apparatus, articles, and methods are described including operations for region-of-interest based 3D video coding.
Imaging apparatus and imaging method to obtain high quality luminance images
The present technology relates to an imaging apparatus, an imaging method, and a program that are capable of obtaining a higher-quality luminance image. The imaging apparatus captures a luminance image with a monochrome image sensor and also captures a color image with a color image sensor. A magnification aberration amount determination unit analyzes the amount of magnification chromatic aberration of each image height position on the basis of information on magnification chromatic aberration of a lens unit. A recording image selection unit selects the luminance image captured with the monochrome image sensor or a luminance image obtained from the color image captured with the color image sensor on the basis of the result of the analysis on the amount of magnification chromatic aberration, and sets the selected luminance image as a recording image. When a luminance image is selected in accordance with the amount of magnification chromatic aberration in such a manner, a high-quality recording image with less blurring resulting from the magnification chromatic aberration can be obtained. The present technology can be applied to a digital still camera.
Video management enabling voice communication groups
Embodiments include a system, method, and computer program product that enable management of a plurality of video feeds with Push to Talk (PTT) communications. Some embodiments monitor a plurality of video feeds using a VMS graphics user interface (GUI) where a video feed of the plurality of video feeds is a video feed component of an interactive multimedia media object (IMMO) displayed in the VMS GUI. A talk group is logically associated with the video feed of the plurality of video feeds. Some embodiments detect that an embedded PTT control component associated with the video feed is activated, and enable PTT communications among members of the talk group and an operator of the VMS.
System and method for providing image
A system and method for providing an image are provided. The image providing method includes: transmitting, to an external device, a first video image of a first resolution, which is converted from an original video image of an original resolution; receiving, from the external device, area information about an area of interest of the first video image of the first resolution; determining, based on the area information, an area corresponding to the area of interest, of the original video image of the original resolution, wherein the determined area is smaller than the original video image of the original resolution converting a part of the original video image of the original resolution to a second video image of the first resolution, wherein the part corresponds to the determined area; and transmitting the second video image to the external device.
Method of and system for mobile surveillance and event recording
A data-encoding system includes a source of unencoded data, and a first encoder interoperably coupled to the source, wherein the first encoder is adapted to receive the unencoded data, encode the unencoded data, and output encoded data at a first data rate. The data encoding system further includes a second encoder interoperably coupled to the source, wherein the second encoder is adapted to receive the unencoded data, encode the unencoded data, and output encoded data at a second data rate in which the second data rate exceeds the first data rate. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b)
Signal receiving end of digital television and signal processing method thereof
A signal receiving end of a digital television includes: an analog-to-digital converter (ADC), converting an input signal from an analog format to a digital format, the input signal including a target signal and an interference signal; a digital gain control circuit, coupled to the ADC, adjusting an amplitude of the target signal according to a gain; a detecting module, coupled to the digital gain control circuit, detecting a variance in the gain to generate a detection value; and a control circuit, coupled to the digital gain control circuit, determining a gain setting parameter according to the detection value. Wherein, the digital gain control circuit further updates the gain according to the gain setting parameter.
Method of acquiring information about contents, image display apparatus using the method, and server system for providing information about contents
A method of acquiring information about content includes the operations of receiving a video signal from an external apparatus connected to an image display apparatus, extracting an object included in an on screen display (OSD) image from an image that is produced using the video signal, and collecting the information about content by using the extracted object.
Phase detection pixels with high speed readout
Phase detection pixel pairs may include first and second photodiodes covered by a single microlens. To decrease the readout time of the phase detection pixels, each phase detection pixel may have a respective floating diffusion region. Each phase detection pixel may include a transfer gate that can be asserted to transfer charge from the photodiode to the floating diffusion region. During readout, charge from each photodiode in the phase detection pixel pair may be read out in parallel. The phase detection pixel pairs may be implemented in multiple substrates connected by interconnect layers.
Edgeless large area camera system
A detecting apparatus includes a multi-tier 3D integrated ASIC comprising one or more analog tiers and one or more digital tiers, and a sensor bonded to the multi-tier 3D integrated ASIC. The detecting apparatus includes an electrical substrate and a group of FPGAs or custom data management ASICs. The detecting apparatus also includes a thermal management system, a power distribution system and one or more connectors to transfer data to a data acquisition system configured for radiation spectroscopy or imaging with zero suppressed or full frame readout.
Tonal-zone adaptive tone mapping
A method for tone mapping includes applying, by at least one processor, at least two tone mapping functions to video data. The at least two tone mapping functions include a first tone mapping function and a second tone mapping function, such as a high tone mapping function and a low tone mapping function that provides an output having more illumination range to low luminance values of the video data than an output that the high tone mapping function provides. The method includes determining a mixing ratio based on an amount of the video data that has luminance values within a predetermined range. The mixing ratio represents a proportion of each of output of the at least two tone mapping functions. The method includes mixing the outputs of the at least two tone mapping functions according to the mixing ratio to generate the tone mapped video.
Method, apparatus and system for image processing
An image processing device, including an image receiver operable to receive a first image; an image converter operable to convert the first image to a second image, the second image being a smaller-sized representation of the first image; an image pre-processor operable to perform an imaging effect on the second image to form a third image, the imaging effect being defined by an imaging effect parameter; a first output device operable to output the third image for display; and a second output device operable to output the first image and the imaging effect parameter.
Methods and apparatus for capturing images using multiple camera modules in an efficient manner
Methods and apparatus for capturing images using a camera device including multiple camera modules, e.g., multiple optical chains, in an efficient manner are described. Different camera devices in the camera device may capture images corresponding to different size fields of view of a scene area. User input is used to identify an object of interest. A first type camera module having a large field of view is used to track the identified object of interest. Sets of second type camera modules having a smaller field of view are used to capture images of the object of interest. Different sets of second type camera modules may be used at different times as a function of object of interest location. In some embodiments, at least some second type camera modules include the capability to adjust, e.g., move, image capture area, e.g., by changing a mirror angle inclination and/or a mirror rotation.
Image capturing apparatus and image capturing method for exposure compensation in high dynamic range synthesized images
The present technology relates to an image capturing apparatus and an image capturing method that a high dynamic range synthesized image can be subjected to exposure compensation desired by a user. There is provided an image capturing apparatus including an image capturing unit that captures an image of an object and generates a captured-image data item; an exposure compensation amount setting unit that sets an exposure compensation amount for compensating an exposure amount of the image capturing unit; an exposure control unit that controls exposure of the image capturing unit on the basis of the exposure compensation amount set by the exposure compensation amount setting unit; a signal synthesizing unit that synthesizes a plurality of the captured-image data items captured by the image capturing unit at a plurality of different exposure amounts set by the exposure control unit and generates a synthesized data item; a gradation conversion unit that converts gradation of the synthesized data item generated by the signal synthesizing unit; and a gradation control unit that controls gradation conversion by the gradation conversion unit on the basis of the exposure compensation amount set by the exposure compensation amount setting unit. The present technology is applicable to an image capturing apparatus such as a digital still camera including an exposure compensation function.
Shakiness correcting method and apparatus
A shakiness correcting method includes: generating, based on motion sensing data, first filtering data to be applied to a first mode; generating, based on the motion sensing data, second filtering data to be applied to a second mode; and selectively performing shakiness correction on one of the first filtering data and the second filtering data according to mode selection information, wherein the generating of the first filtering data and the generating of the second filtering data are performed in a mutually parallel manner.
Method and system for image stabilization
In a method for image stabilization a number of operations are performed to stabilize an image and to output a focal length value. The steps include capturing video by means of a video camera with unknown focal length running an image stabilization process operating on an input from a hardware detector detecting the displacement of the camera and on an adjustable focal length value. Inter-image displacement is corrected based on the input from the hardware detector and the adjustable focal length value. By evaluating the displacement and adjusting the focal length value until a satisfactory image stabilization is achieved a value of the focal length may be output.
Lens drive apparatus, camera module and camera
A lens drive apparatus that displaces a lens holder in a direction of an optical axis and a direction orthogonal to the optical axis comprises: an assembly that is formed by assembling the lens holder together with a magnet disposed around the lens holder; a housing that has a base and a cover that are configured to house the assembly; and a planar coil that is attached inside of the housing such that a coil plane thereof facing the magnet is in parallel with the optical axis, the planar coil being configured to displace the assembly in the direction orthogonal to the optical axis in collaboration with the magnet, wherein the base has an aperture having a size greater than a displacement range of the optical axis resulting from displacement of the assembly in the direction orthogonal to the optical axis.
Image acquiring device and portable terminal comprising same and image acquiring method of the device
An image acquiring device, according to one embodiment, comprises: an optical image stabilization unit which compensates for hand trembling; and optical unit which is controlled in accordance with the result value compensated in the optical image stabilization unit; an image sensor unit which converts optical information output from the optical unit into an electric signal; and image information processing unit which image processes the electric signal in accordance with the compensated result value; and an image information output unit which displays the image-processed result, wherein the image sensor unit comprises a plurality of phase difference detection pixels, and a plurality of image detection pixels disposed in a grid pattern along with the plurality of phase difference detection pixels, and the plurality of phase difference detection pixels comprise a first pixel group having a certain area shielded, the certain area being among an area separated by being partitioned in the vertical direction, and a second pixel group having a certain area shielded, the certain area being among an area separated by being partitioned in the horizontal direction, and thus the accuracy of focus may be increased by using a phase difference detection auto focus (AF) method even when an optical image stabilizer (OIS) is being driven.
Apparatus that performs zooming operation, control method therefor, and storage medium
An image pickup apparatus which enhances usability in shooting in a case where a user sets an initial lens position. A system control unit starts shifting a zoom position of a taking lens in response to start of a zooming operation in which the zoom position is changed, and stops shifting the zoom position in response to termination of the zooming operation. When the zoom position reaches a predetermined zoom position, which is inside an optical zoom range and is neither an optical wide-angle end nor an optical telephoto end, while the zoom position is being shifted in a first direction in response to a first zooming operation for shifting the zoom position in the first direction, the system control unit provides control to fix the zoom position at the predetermined zoom position even when the first zooming operation has not been terminated.
Ultra-small camera module with wide field of view, and associate lens systems and methods
An ultra-small camera module with wide field of view includes (a) a wafer-level lens system for forming, on an image plane, an image of a wide field-of-view scene, wherein the wafer-level lens system includes (i) a distal planar surface positioned closest to the scene and no more than 2.5 millimeters away from the image plane in direction along optical axis of the wafer-level lens system, and (ii) a plurality of lens elements optically coupled in series along the optical axis, each of the lens elements having a curved surface, and (b) an image sensor mechanically coupled to the wafer-level lens system and including a rectangular array of photosensitive pixels, positioned at the image plane, for capturing the image, wherein cross section of the ultra-small camera module, orthogonal to the optical axis, is rectangular with side lengths no greater than 1.5 millimeters.
An imaging apparatus includes: an image comparing unit that compares a shot image shot by a photographer with a sample image selected by the photographer; an operation comparing unit that compares an operation performed when the shot image was shot with an operation performed when the sample image was shot; and an advising unit that gives the photographer advice on an image shooting method to make the shot image close to the sample image according to comparison results provided by the image comparing unit and the operation comparing unit.
Electronic device for capturing images while user looks directly at camera
An electronic device is provided to allow a user to take a selfie while the user looks directly at the camera. A smartphone includes: a monitor; a camera provided at a display surface side of the monitor; and a CPU configured to control the smartphone. The CPU includes a display control unit configured to display, during image capturing of a subject by the camera, an object in a first display area on the monitor in order to lead gaze of a user of the smartphone to the camera, the first display area being located within a predetermined range from a location of the camera of the smartphone.
Imaging apparatus and intraoral camera
An imaging apparatus includes a lens, a moving mechanism, an imaging device, and a controller. The moving mechanism moves the lens in the optical axis direction. The controller drives, in response to an input of an imaging instruction, the moving mechanism to move the lens to a plurality of imaging positions from one of infinity and close-up ends to the other and drives the imaging device when the lens is positioned at each of the imaging positions. Since the interior of an oral cavity, for example, is difficult to capture, the focus can hardly be adjusted on it with high accuracy when an autofocus mechanism is used. However, since the lens is moved to the plurality of imaging positions in the optical axis direction in response to each input of the imaging instruction to obtain captured images, an in-focus image can be reliably obtained.
Imaging apparatus, external apparatus, imaging system, method for controlling imaging apparatus, method for controlling external apparatus, method for controlling imaging system, and storage medium
An imaging apparatus includes an imaging unit configured to capture an object image, a rotation unit configured to rotate the imaging unit in a predetermined direction, and a first transmission unit configured to transmit, to an external apparatus, acceleration information indicating whether an acceleration at which the rotation unit rotates the imaging unit is able to be designated.
Camera system with minimal area monolithic CMOS image sensor
The disclosure extends to methods, systems, and computer program products for digitally imaging with area limited image sensors, such as within a lumen of an endoscope. The system includes an image sensor comprising a pixel array for sensing electromagnetic radiation. The pixel array comprises a plurality of pixel groups comprising only active pixels, a plurality of pixel groups comprising only optical black pixels, and a plurality of line readouts, wherein each line readout is configured to read out a single group of the plurality of pixel groups in the pixel array. The imaging system samples one or more of the plurality of pixel groups comprising only optical black pixels a plurality of times to reduce a size of the image sensor by reducing a number of optical black columns.
Method for camera detection and jamming
Method for jamming or affecting the quality of photo and video recording, the method comprising illuminating the area, collecting light reflected or scattered from optical components such as camera lenses, amplifying them, and reversing the amplified beams back to the camera with phase conjugating mirror. The method may further comprise image acquisition and processing for identifying unwanted optical components and sensors, and electronically pointing and focusing a laser beam on said components and sensors.
Synchronizing wireless sensor data and video
Techniques are provided to implement the display of synchronized sensor data and captured video signal. A mobile computing device receives a set of data points from a multi-sensor device. The set of data points may be assigned a timestamp value, obtained from an internal clock within the mobile computing device. Sets of data points and their assigned timestamp values are aggregated into an aggregated sensor dataset that represents the sets of data points over a particular period of time. Concurrent to receiving the sensor data, video frames are received. The video frames with an assigned timestamp value are stored in a video frame dataset that represents video frames over a particular period of time. The aggregated sensor dataset and the video frame dataset are synchronized and combined into a single combined video dataset based upon the assigned timestamp values of the sets of data points and the video frames.
Print data generating apparatus and print data generating method
A print data generating apparatus obtains a BRDF model group for each of a plurality of colors and the angle of incident light in the environment where an object to be reproduced is to be viewed. The print data generating apparatus then applies the angle of the incident light thus obtained to each of the models in the BRDF model group to thereby calculate the reflection distribution of the object to be reproduced for which the angle of the incident light is limited. The print data generating apparatus then outputs color data and form data for each of the models in the BRDF model group based on the reflection distribution, the color data indicating a color to be formed on the surface of the object to be reproduced, the form data indicating the form of the object to be reproduced.
Networked digital imaging customization
A geographically remote computing device transmits an image to a central computing device. The geographically remote computing device also communicates specifications of a substrate or substrates to be imaged to the central computing device. The central computing device selects a geographically remote fulfillment printer. A local, but geographically diverse distribution system is available according to the invention. The central computing device chooses the geographically remote fulfillment printer as a function of factors such as the selected image and substrate, printer capabilities, and the consumer's location. Image quality and consistency is maintained by the central computer selecting an appropriate geographically remote computing device and providing printer the appropriate instructions, rather than the instructions for printing being determined locally at the printer.
Image processing system including image forming apparatus and wearable computer for authenticating user to access image forming apparatus, wearable computer, method for user authentication, and non-transitory recording medium storing computer readable program for the same
A wearable computer includes: a first storage that permanently stores a first characteristic therein, the first characteristic representing a physical characteristic of an owner of the wearable computer; an obtaining portion that obtains a second characteristic, the second characteristic representing a physical characteristic of a user who wears the wearable computer; a determination portion that determines whether the user is the owner based on the first characteristic and the second characteristic; a first request portion that requests, when the user is determined to be the owner, to allow the user to log into another device; a second storage that temporarily stores the second characteristic therein; and a second request portion that requests, when the user is not determined to be the owner, to allow the user to log into that another device by sending the second characteristic stored in the second storage portion to that another device.
Information processing apparatus, non-transitory computer readable medium, and information processing method
An information processing apparatus includes a presentation unit that, in response to receipt of an instruction to present a favorite destination of transmission, presents destination information designated as a favorite for the transmitting application of interest.
Image processing device executing communication processing with push notification server and information processing device
An image processing device may first-receive print data and device identifying information from an information processing device. The image processing device may determine whether or not a particular event is occurring. The image processing device may first-store the received print data in a memory when the particular event is not occurring. The image processing device may second-store the received device identifying information in the memory when the particular event is occurring. The image processing device may send the device identifying information to a push notification server when the particular event has ended. The image processing device may second-receive print data from the information processing device corresponding to the sent device identifying information. The image processing device may third-store the received print data in the memory. The image processing device may print using the print data stored in the memory at least one of the first-storing and the third-storing.
Providing print dimensions from a printer
Methods, apparatus, systems and articles of manufacture are disclosed for providing print dimensions from a printer. An example method includes analyzing a first roll of a printer, the first roll holding first paper having a first width; determining, via a processor of the printer, a first print dimension of the first paper on the first roll based on the first width; and providing the first print dimension to an electronic device, the electronic device to use the first print dimension to determine whether content is to be clipped when printed on the first paper.
Reading apparatus, reading method, and reading program
A reading apparatus that reads a sheet includes: a first light emitting diode (LED) configured to emit light with a specific wavelength; a light emitting element including a second LED configured to emit light with the specific wavelength and a phosphor configured to be excited by the light emitted from the second LED; a line sensor configured to generate a reference signal according to a quantity of received light emitted from the first LED and reflected off the sheet, and also generate an image signal according to a quantity of received light emitted from the light emitting element and reflected off the sheet; and a controller configured to generate an image representing the sheet from a differential result obtained by removing a component corresponding to the reference signal from the image signal.
Management server, method of managing workform and execution start condition and recording medium
A management server is provided. The management server includes a user interface to receive an input of a plug-in corresponding to a job of an image forming apparatus to generate a workform, which defines a job performing order of the image forming apparatus, and to receive an input of an execution start condition of the plug-in, a workform generator to generate a workform based on the input plug-in and the execution start condition, and a communication interface to transmit the generated workform to the image forming apparatus.
Certain methods of processing media by a media processing device are described. An example media processing device has an input comprising a sensor for detecting media therein. The media processing device processes a first item of media. The media processing device detects a second item of media at the input and is arranged to conditionally control the media processing device. In one example, the media processing device processes a second item of media according to a first set of settings for the first item of media. In another example, the media processing device ejects the first item of media.
Document conveying device and image forming apparatus
A document conveying device is used in common for a double-sided reading specification in which images on one face and the other face of a document conveyed along a conveying path are read and for a single-sided reading specification in which the image on the one face of the document is read. The document conveying device includes a recess, a cover member and a supporting part. In the recess, a member dedicated to the double-sided reading specification is supported at the double-sided reading specification. The member dedicated to the double-sided reading specification is used for reading the image on the other face. The cover member closes the recess at the single-sided reading specification. By the supporting part, the member dedicated to the double-sided reading specification is detachably supported at the double-sided reading specification and the cover member is detachably supported at the single-sided reading specification.
Display device, image forming apparatus, and display method including display of soft key array
A display device (1) includes a display section (20), a detection section (30), a storage (40), and a controller (10). The detection section (30) detects a touch region (210) of the display region in which a user touches. The storage (40) stores therein a pattern (400). The controller (10) includes a determination section (101) and a display controller (103). The determination section (101) determines whether or not the touch region (210) matches the pattern (400). The display controller (103) causes the display section (20) to display a soft key array (220) upon the determination section (101) determining match.
Image processing device
An image processing device includes a touch sensor and a controller. When an operation in which two icons including a function selection icon and a detailed setting selection icon are simultaneously pressed is received in a reception screen, the controller sequentially switches a setting value of a detailed setting corresponding to the pressed detailed setting selection icon at regular predetermined intervals and changes an image displayed in a preview area to a processed image on which the function has been executed at the switched-to setting value, while the simultaneous pressing operation is continued on the two icons.
Method for optimal utilization of an application-controlled queue for calls that is provided in a telecommunication system
A method for optimum utilization of a queue for calls is provided in a telecommunication system and is controlled by an application, as well as an appropriate telecommunication system. Each call that is in the queue has a particular queue property and can be assigned to an agent, to a two-way announcement that is played by an announcement memory and that is capable of interaction with a call, or to remain in the queue. The method is distinguished in that a call assigned to a two-way announcement is allocated a parameter that causes the queue property of the call to be retained.
Agent application and integrated call processing platform
Agents operating at call centers or other customer support service networks may assist large numbers of customers consecutively and in a dynamic manner. One example may include receiving a plurality of calls for customer service support from a corresponding plurality of customer devices at a call routing server, retrieving user profiles associated with the plurality of calls and identifying call information for the plurality of calls, determining at least one call is associated with a first user profile having a task deadline approaching sooner than the other user profiles, and establishing a priority for the at least one call to be processed by an agent device.
Night detection of side-by-side parked vehicles
To detect side-by-side parked vehicles at night, the present invention discloses a night-detection device and method. The night-detection device comprises a moving-vehicle sensor and a parked-vehicle sensor. It uses the light beam from a passing-by vehicle to extract at least a reflection of at least a head-light or at least a portion of a front bumper.
Data and call routing and forwarding
A system and method for determining an order in which to communicate with a list of numbers and/or addresses for a particular contact is disclosed. Each caller that communicates with the contact may specify a different order for the contact's various phone numbers and other addresses. A communication management system may then automatically dial the numbers or use messaging addresses to initiate data communications in the specified order when the initiating party attempts to communicate with the contact. The order may specify simultaneous and/or sequential use of numbers or addresses. Alternatively or additionally, the communication management system may dynamically and/or automatically determine the communication order or a portion thereof. The automatic determination of the order may be based on a communication history or communication receiving of the initiating party. In some arrangements, the order may be partially manually defined and partially automatically defined.
Electronic device for detecting information of person on the other end of call and method thereof
A method and apparatus for detecting information of a person on the other end of a call. In a method of operating a first electronic device synchronized with a second electronic device, the method includes receiving a call requested from a third electronic device, detecting information related to the third electronic device, and transmitting data regarding the detected information to the second electronic device.
Intelligent telephone call routing
Systems and methods for intelligently routing an incoming telephone call to an internal extension based on the calling history are provided. According to one embodiment, a session log, containing information regarding sessions between internal extension numbers and external telephone numbers, is maintained by a call monitor of a telephone system. The internal extension numbers are associated with telephone extensions within the telephone system and the external telephone numbers are associated with telephones outside of the telephone system. An incoming telephone call is received by the call monitor from a telephone outside the telephone system that is associated with an external telephone number. It is determined by the call monitor whether the incoming call represents a call-back to an internal extension number based on the session log. When the incoming call is determined to represent a call-back, then causing a switch to route the incoming call to the internal extension number.
Suppressing indications of incoming communications in user interfaces
Systems, methods, and software are disclosed herein for handling incoming communications. In an implementation, an application receives a notification of an incoming communication for which a related application may have also received a related notification of the incoming communication. Prior to surfacing an indication of the incoming communication in a user interface, the application ascertains whether or not the related application will surface a related indication. If so, the application suppresses its own indication in favor of the related application. If not, the application surfaces its own indication.
Starting a machine through a mobile device
A system and method to access a machine through a mobile device includes sending a machine key to a controller on-board the machine, and a mobile device key to the mobile device using a remote server. The mobile device sends a mobile device ID to the controller. The controller determines the mobile device key based on the mobile device ID and the machine key. The controller sends a random number to the mobile device. The mobile device processes the random number to derive a first processed random number, and sends the first processed random number to the controller. The controller processes the random number to derive a second processed random number. The controller enables a start button to send a request to start the machine, when the first processed random number matches the second processed random number. The controller starts the machine upon receiving the request to start the machine.
Dual antenna communications headset
A communications headset having an antenna on each earpiece and having an RF switch for determining which antenna is receiving the superior signal and selecting that signal for amplification and distribution to headset speakers. A cable, supported and secured to a headband of the headset, connects the two earpieces for signal and power transfer. An illustrated embodiment has a transceiver and a speaker in an earpiece, with the RF switch, switching logic, and audio processor in one earpiece. Other configurations are within the scope of the invention. The RF switch selects the superior signal responsive to signal strength, signal to noise ratio, and/or similar figures of merit. Monitoring for signal superiority is at a high bandwidth to prevent granularity in the switching becoming noticeable to the user. The antenna corresponding to the superior signal is also used for transmitting from the headset.
Apparatus for transmitting broadcast signal, apparatus for receiving broadcast signal, method for transmitting broadcast signal and method for receiving broadcast signal
A method for transmitting a broadcast signal proposes a system for supporting a next-generation broadcast service in an environment for supporting next-generation hybrid broadcast using a terrestrial broadcasting network and the Internet. In addition, the method proposes an effective signaling method for covering both a terrestrial broadcasting network and the Internet in an environment for supporting next-generation hybrid broadcast.
Packet transmitter, interface device and computing system including the same
A packet transmitter includes a higher layer transmission block and a lower layer transmission block. The higher layer transmission block generates a higher layer data signal including payload data and a header for each packet of a plurality of packets based on an application layer data signal and an application layer control signal. The higher layer transmission block outputs the header after the payload data through the higher layer data signal. The lower layer transmission block generates a lower layer data signal including the header and the payload data for each packet based on the higher layer data signal and a higher layer control signal. The lower layer transmission block outputs the payload data after the header through the lower layer data signal.
Methods, systems, and computer program products for sharing information for detecting an idle TCP connection
An apparatus is provided comprising: a server computer including: a non-transitory memory storing a network application; and one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the network application to operate in accordance with a first protocol including a transmission control protocol (TCP), the apparatus, when operating in accordance with the first protocol to establish a TCP connection with a client computer, configured to: communicate a segment including at least one first synchronize bit; communicate a first acknowledgement of the segment, and at least one second synchronize bit; and communicate a second acknowledgement; said server computer, further configured to communicate, to the client computer, code that, when used by the client computer, causes the client computer to operate in accordance with a second protocol that is separate from the TCP, in order to establish a second protocol connection with another server computer, by: receiving a packet; detecting an idle time period parameter field in the packet; identifying metadata in the idle time period parameter field for an idle time period, where, after the idle time period is detected, the second protocol connection is deemed inactive; and creating or modifying, by the client computer and based on the metadata, a timeout attribute associated with the second protocol connection.
Methods, systems, and computer program products for sharing information for detecting an idle TCP connection
A non-transitory computer readable medium is provided comprising: code for use by a client node including one or more processors in communication with a non-transitory memory, where the code, when used by the client node, causes the client node to: receive, by the client node from a server node, a transmission control protocol (TCP)-variant packet; detect an idle time period parameter field in the TCP-variant packet; identify metadata in the idle time period parameter field for an idle time period that is detectable by the server node and, during which, no packet is communicated in the TCP-variant connection to keep the TCP-variant connection active; and modify, by the client node and based on the metadata, a timeout attribute associated with the TCP-variant connection.
Request management for hierarchical cache
A computer implemented cache management system and method is provided for use with a service provider configured to communicate with one or more client devices and with a content provider. The system includes a cache hierarchy comprising multiple cache levels that maintain at least some resources for the content provider, and one or more request managers for processing client requests for resources and retrieving the resources from the cache hierarchy. In response to a resource request, the request manager selects a cache level from the cache hierarchy based on a popularity associated with the requested resource, and attempts to retrieve the resource from the selected cache level while bypassing cache level(s) inferior to the selected level.
Method of redirecting data streams from a mobile account to another mobile account
A method of redirecting data streams exchanged by a mobile terminal associated with a “third-party” account, with a first telecommunications network. The method includes a prior stage including: the first network receiving from the mobile terminal a registration request, and recovering the profile of the third-party account; the first network sending a DNS request including a “redirection” access point name; the DNS system responding by supplying the IP address of a “stream redirection” server; the first network setting up a tunnel between the server and the mobile terminal, by providing the server with at least one identifier of the third-party account; the server supplying a second telecommunications network with which the user of the mobile terminal holds a personal account that is distinct from the third-party account, with at least one identifier of the personal account; and the stream redirection server setting up a tunnel with the second network.
Optimizer module in high load client/server systems
An optimizer module can function as a proxy between clients and a server that provides access to a service via a REST API. As a proxy, the optimizer module can receive requests from the clients and can combine the requests into a single bulk request that is then submitted to the server. By combining multiple independent requests into a single bulk request, the optimizer module can reduce the total number of concurrent requests and thereby increase the total number of clients that can concurrently submit requests. In some cases, the optimizer module may be configured to apply optimizing rules when generating a bulk request.
Proxy device for reducing number of connections to gateway
Techniques and systems for operating a device as a communication proxy for other devices are provided. For example, a method, computing device, or computer-program product may be provided, and may include receiving a device communication using a connection with a first device, determining that the device communication is from the first device, wherein the computing device and the first device are able to connect with a second device, and establishing a connection with the second device, wherein the computing device operates as a communication proxy for the first device by using the connection with the second device to exchange communications with the second device for the first device, and wherein the computing device and the first device include Internet of Things devices and share a common cloud network service provider. The method, computing device, or computer-program product may further include transmitting the device communication using the connection with the second device.
Techniques to automatically syndicate content over a network
Techniques to automatically syndicate content over a network are described. An apparatus may comprise a client computer having a processing system with a processor and computer-readable medium. The computer readable medium may store program instructions for a syndication manager component communicatively coupled to a content producing component arranged to be executed by the processor. The syndication manager component may be operative to receive syndication content from the content producing component, and provide a syndication dialog through the content producing component to syndicate the syndication content using a content delivery platform. The syndication manager component may also syndicate the syndication content to form a syndication resource accessible from the content delivery platform over a network using a syndication referent. Other embodiments are described and claimed.
Apparatus and method for managing zone presence
Provided is an apparatus for managing zone presence, which manages presence information of a zone including a plurality of wireless access points, including: a presence managing unit receiving a subscription request from an application server and determining whether user terminal access information received from at least any one among the plurality of wireless access points corresponds to the subscription request; and an API processing unit providing the presence information to the application server when the user terminal access information corresponds to the subscription request.
Control display of information acquired from social networking service on electronic book content
There is provided an information processing device including an information acquisition unit configured to, on the basis of a condition previously associated with at least a piece of identification information in book data in which the identification information is associated with at least a part of first information among pieces of information, acquire second information consistent with the condition from a social networking service, and an editing unit configured to replace the first information associated with the piece of identification information with the acquired second information.
Released offender geospatial location information user application
An application for a mobile or fixed device, where the device comprises a processor, a display, and communication capabilities, and wherein the application interfaces with a clearinghouse that integrates geospatial information including date and time information related to released criminal offenders. In some embodiments, the application includes a user interface which includes a field through which a user can submit a query.
Methods and systems for delivering content
This disclosure relates to methods and systems for delivering content such as enhanced television applications over a network. In one exemplary method, a request for a content item is received. The request is added to a request queue. Each application requested is then identified and then the exemplary method waits for the occurrence of a predetermined event. Upon the occurrence of a predetermined event, the exemplary method provides for sending a single instance of each content item, regardless of the number of requests for each such content item.
Business logic sharing
Embodiments of the present invention may share common data among multiple servers. According to one embodiment of the present invention, a code segment is obtained at a first server from a client in response to the client interacting with a first application hosted on the first server, where the code segment is associated with business logic in the first application. Then, the first application is executed based on the code segment.
Method and apparatus for transferring the state of content using short codes
Method and a system to transfer the state of web-based content between devices through use of a short code. An example method includes determining a state of content being accessed on a device. The method further includes assigning a short code to the state of the content. The short code may have a limited number of characters. The method may further include storing the short code and the state of the content. The method may further include providing the content according to the state of the content on a second device based on the short code.
Method and system for controlling remote session on computer systems
Method and devices are provided for controlling access of a device to a remote desktop or an application running on a remote desktop or application server using a remoting protocol. The method includes: registering the device with a device state server to store identifying information, including a push notification token; using the device state server with access to the device identifying information to wake a device state application on the device in response to detection of connectivity between the device and the remote desktop or application server; monitoring the device to determine a device state; sending the device state from the device to the device state server and then to the remote desktop or application server; and determining based on the received device state if an access to the remote desktop or remote application running in the user session is allowed, otherwise blocking the access.
Connecting public cloud applications with private network resources
The automatic establishing of the connection between the public cloud and the on-premises resource. First, the bridging infrastructure is automatic accessed. The bridging infrastructure is configured to interact with a user system within the private network using a first control. For instance, it is this first control that may be represented as an executable within the configuration package used in provisioning the connection. A second control is provided to the application running in the public cloud. The second control is structured such that the at least one application may be used to securely connect via the bridging infrastructure with an on-premises resource of the private network.
Method and apparatus for providing a data feed for internet of things
Methods and registrar computers for negotiating communications between a virtual device and a virtual requestor device. The method includes receiving a data feed request at a registrar computer from a registered virtual requestor device. The data feed request includes information identifying a data feed and information enabling communication between a registered virtual device associated with the data feed and the virtual requestor device. The registrar sends a further data feed request comprising the information enabling communication between the devices to the virtual device. This causes the virtual device to provide the data feed to the virtual device using the information enabling communication between the devices.
Storage bridge device for communicating with network storage
Provided are systems and methods for a storage bridge device for communicating with network storage. In some implementations, the storage bridge device includes a network interface. The network interface may be configured to communicate with a storage device, using a storage device protocol. In some implementations, the storage bridge device includes a bus interface. The bus interface may be configured to communicate with a storage device, using a storage device protocol. In some implementations, the storage bridge device may be configured to communicate with a host device connected to the network. In these implementations, the storage bridge device may be configured to translate a request from the host device from the network protocol to the storage device protocol. The storage bridge device may further be configured to transfer the translated request to the storage device.
Connection mechanism for energy-efficient peer-to-peer networks
A communications system comprising a plurality of nodes communicatively connected via a communications network, each node comprising a processing circuit and network interface circuitry connected to the processing circuit, each node being configured to connect to the communications network and to communicate with other nodes of the communications system, the communications system comprising at least one cluster of nodes, wherein one of the nodes of the cluster is operable to perform a cluster head role connecting the cluster to the communications network, and wherein the cluster is operable to implement a mechanism for transferring the cluster head role from one node of the cluster to another node of the cluster.
Display apparatus and control method thereof
An electronic apparatus for supporting wireless peer to peer (P2P) communication with an external apparatus is provided, that includes a communicator configured to transmit and receive a signal for performing discovery and group formation, and a controller configured to transmit a first preferred channel list including a channel number indicating at least one channel pre-established among a plurality of channels available as an operating channel, to the external apparatus, to select one channel number from at least one channel number included in a second preferred channel list and the channel number included in the first preferred channel list in response to the second preferred channel list being received from the external apparatus as an operating channel with the external apparatus.
Responding to a ranging request from a peer device in a wireless network
The application layer of a first wireless device may be configured to receive a ranging request indication from a MAC layer of the first wireless device, determine whether the MAC layer should respond to the ranging request, and send a ranging response to the MAC layer with an indication of whether to respond to the ranging request. The MAC layer may be configured to decode a ranging set-up request from a second wireless device, where the ranging set-up request comprises time slots. If an auto-response is set to false, send a ranging request indication to the application layer and receive from the application layer a ranging response, and if the auto-response is set to true or the ranging response indicates the MAC layer should respond to the ranging set-up request, select a time slot, and encode a ranging response with an indication of the selected time slot.
Scalable monitoring of long running multi-step data intensive workloads
Examples perform monitoring of multiple-step, concurrently executed workflows across distributed nodes. Requests from an intermediate node are classified by a load balancer as monitoring or non-monitoring. Non-monitoring requests are handled by any node; however, monitoring requests are distributed to all nodes via a plurality of queues but handled only by nodes executing the subject workflow. The load balancer receives reports from any node executing the subject workflow, and passes the first report to the intermediate node.
User status reports provided by an entertainment access system
An entertainment access system is provided that enables a user to request and receive status reports that present current information concerning a wide variety of items pertaining to the user's devices, entertainment content and usage rights in a standard, predictable and consistent manner that enhances rather than hinders the user experience. In some illustrative examples, the user can request the status report from one of his devices that is registered with the entertainment access system. The entertainment access system responds by collecting and formatting the status information so that is can be conveniently displayed or otherwise rendered on the registered device. For instance, if the request is received from a cell phone device, which generally has a relatively small screen, the information may be presented in a relatively abbreviated format. On the other hand, if the request is received from the user's personal computer, the information may be presented by the entertainment access system to the personal computer in a more detailed or entirely different format than when the information is to be presented to a cell phone device.
Analytics-based update of digital content
Content on a client device is updated. Analytics data describing how a user uses the client device to consume digital content are received. The analytics data are generated by the client device responsive to observations of how the user uses the client device to consume digital content. A prediction model is generated based on the analytics data and used to predict when the user will consume digital content on the client device. Prediction data describing the prediction are provided to the client device. The client device uses the prediction data to request updated digital content prior to when the user is predicted to consume digital content on the client device.
An application may be augmented for application-centric socialization activities for a user of the application, based on instrumenting the application for the application-centric socialization activities. The application-centric socialization activities may be launched from within the augmented application on a device, the application-centric socialization activities determined based on one or more contexts associated with the user that are determined during execution of the augmented application on the device.
Method and apparatus for sharing a function with an external device and performing an operation
A method which performs an operation in a device on a network by sharing functions with at least one external device includes receiving, from a server, operation information defining an operation to be performed by executing a combination of at least one function of the device and at least one function of the at least one external device. The method may further include registering the operation defined by the operation information in the device and performing an operation selected from among one or more registered operations including the operation defined by the operation information. The operation may be performed by executing a combination of functions corresponding to the selected operation.
Service method and system using instance interface of virtualization object in internet of things environment
A service method and system using an instance interface of a virtualization object in an Internet of Things (IoT) environment is disclosed. A service method in an IoT environment may include: displaying a message to another instance using a feeder interface among interfaces included in an instance of a virtualization object about a thing; receiving a message displayed from a feeder interface of the other instance or the thing using a subscriber interface among the interfaces; transferring a message to the other instance or the thing using a controller interface among the interfaces; receiving a message transferred from a controller interface of the other instance using a receiver interface among the interfaces; and interacting with a 3rd party service using an authentication interface among the interfaces.
Host facility assignment for a conferencing session
Techniques for host facility assignment for a conferencing session are described. Generally, a conferencing session refers to an exchange of communication media between communication endpoints. Accordingly to various embodiments, multiple different host facilities are available for hosting a conferencing session. Further to techniques described herein, a host facility from the different available host facilities is selected to perform hosting duties for the conferencing session. In at least some implementations, a host facility that is estimated to provide a highest session quality for the conferencing session is selected to host the conferencing session.
Systems and methods for providing song samples
An electronic device presents a first song that includes a sample of a second song, different from the first song. While presenting the first song, the electronic device displays a preview control on a display. The preview control corresponds to the second song. The electronic device receives selection of the preview control and, in response to receiving the selection of the preview control, plays a preview of the second song.
Systems and methods for video game streaming utilizing feedback and aggregation of viewer interests and interactions
Systems and methods to provide adaptable live video game streaming can include one or more servers selecting a video game stream from a plurality of video game streams associated with distinct viewpoints of an online game, and transmitting a first plurality of video game frames of the selected video game stream to a live streaming system for streaming to a plurality of client devices. The server(s) can receive feedback data from the plurality of client devices, and analyze the feedback data to determine an aggregate user interest in a portion of video game content associated with the online game. The server(s) can transmit a second plurality of video game frames associated with the portion of video game content to the live streaming system for streaming to the client devices.
Pushing graphical user interface widgets for communication devices
A first Session Initiation Protocol (SIP) REFER message is sent by an application server to a User Agent (UA). A UA is typically in a communication device, such as a telephone or personal computer. The first SIP REFER message requests the UA to provide a unique Uniform Resource Identifier (URI) for an instance of a networked application. For example, a networked application may be a call recording application. In response to sending the first SIP REFER message, a SIP NOTIFY message with the URI for the instance of the networked application is received by the application server. The application server sends a second SIP REFER message to the UA using the URI. The second SIP REFER message includes information for managing a widget. A widget is object, such as a button or sound. The widget is then displayed or played on a communication device according to a set of rules.
Information management problem initiative system
An information management problem definition system has a processing device configured for receiving a plurality of messages comprising a chat session from a plurality of users communicating via a plurality of workstations during a problem definition initiative conference session. The processing device is further configured for logging session data and event data comprising data corresponding to one or more messages received from one or more users during the chat session, archiving at least a portion of the logged event data, wherein the archived data is configured as searchable and retrievable data, and initiating an interface to one or more of the plurality of users including initiating display of at least one of the plurality of messages via the interface and initiating display of at least some of the event data and at least some of the session data via the interface.
Terminal apparatus, screen sharing method, program, and screen sharing system
A terminal apparatus that shares a view screen of information and a material screen associated with the information with another terminal apparatus includes an operation receiving unit configured to receive an operation of the view screen or the material screen from a user; and a display control unit configured to control a switching display of switching the view screen or the material screen so as to share a screen with the another terminal apparatus based on the operation of the view screen or the material screen when the user has an authority, wherein the display control unit controls to display the view screen without sharing the screen with the another terminal apparatus for a part of the operation of the view screen, regardless of whether the user has the authority.
Directing communications using gaze interaction
In some implementations, audio data or video data associated with a first participant of a communication session is obtained. The communication session may include communication between a first device of the first participant with a second device of a second participant of the communication session. It is determined that biometric information associated with the first participant indicates that the first participant is looking toward the first device. In response determining that the biometric information associated with the first participant indicates that the first participant is looking toward the first device, the audio data or the video data associated with the first participant is transmitted to the second device of the second participant of the communication session.
Information processing apparatus, electronic meeting system, and program
A disclosed information processing apparatus connected with terminals through a network includes a list generating unit receiving a request to acquire a list listing a place registering a material to be shared, and generating the list listing the place allowing presence, a list sending unit sending the list to the terminal sending the request, and a data generating unit receiving a presence request to be present at the place selected from the list, and generating material data for displaying the material registered in the selected place on the terminals, and a data sending unit sending the material data to the terminal sending the presence request, wherein the list generating unit determines the place to be opened or resumed as the place allowing presence, and the data generating unit generates the material data for displaying a hand written memo written in the place and the material registered in the place.
Sharable clips for digital publications
Roughly described, a system includes a database containing publications, and a server coupled to the database. Each publication in the publication database contains images on various pages. The server is programmed to serve toward a user a page from a selected publication. The user can select a clip region to share, and the clip region can be any desired portion of the page, including a part of an image. The server then writes to the publication database the location of the clip region, and a version of the image cropped to the clip region. The server will also share the clip on a sharing service upon selection by the user. The user can also comment on the clip, and the server writes the comment into the publication database in association with the clip. The clip is discoverable by other users, both on the server website and on the sharing service.
Notification bot for topics of interest on voice communication devices
A method and system are provided. The method includes transcribing into text, by a processor-based voice-to-text transcriber, voices uttered by two or more respective participants other than a user in each of one or more voice communications sessions occurring on multiple communication devices. The method further includes generating, for each of the one or more voice communication sessions, a respective prediction from the text of when a topic of interest to the user is likely to be brought up therein. The method also includes connecting the user to at least one of the one or more voice communications sessions, responsive to the respective prediction therefor such that the user participates in only a subset of an overall conversation in the at least one of the one or more voice communication sessions.
Method, system and server for self-healing of electronic apparatus
A method, a system and a server for self-healing of an electronic apparatus are provided. In the method, the components installed in the electronic apparatus are sequentially called and checked to update each component. Then, a self-diagnosis is executed on the electronic apparatus to produce a diagnosis result and the diagnosis result is sent to a server. The server analyzes the diagnosis result, accordingly sets at least one policy for healing the electronic apparatus and sends the at least one policy back to the electronic apparatus. The electronic apparatus transforms the policy into at least one rule adapted for itself and performs the self-healing according to the rules.
System and method for secure synchronization of data across multiple computing devices
A computer implemented method and apparatus comprises detecting a file content update on a first client computer system, the file to be synchronized on a plurality of different types of client computer systems in a plurality of formats. The method further comprises associating a security policy with the file, wherein the security policy includes restrictions to limit one or more actions that can be performed with the file, and synchronizing the file to a second client computing system while applying the security policy to provide controls for enforcement of the restrictions at the second client computer system.
Denial-of-service (DoS) mitigation approach based on connection characteristics
Systems and methods for an improved DDoS mitigation approach are provided. According to one embodiment, a current threshold for a network connection characteristic is established within a Denial-of-Service (DoS) mitigation device logically interposed between a protected resource of a private network and multiple client devices residing external to the private network. A number of connections between the client devices and the protected network resource are tracked. During a period of time in which the number of connections exceeds a connection count threshold: (i) for each of the connections, a measured value for the network connection characteristic is compared to the current threshold; (ii) responsive to a determination that the measured value exceeds the current threshold, the connection is dropped; and (iii) the current threshold is periodically reduced, such that only those connections complying with the current threshold are maintained.
Real-time vulnerability monitoring
An apparatus is provided including at least one platform; an intrusion prevention system configured to communicative couple with the at least one platform; a firewall configured to communicative couple with the at least one platform; at least one first data storage configured to communicative couple with the at least one platform; and at least one second data storage configured to communicative couple with the at least one platform. The at least one platform is configured to perform a plurality of operations that collective protect one or more networked devices, by causing a reporting of at least a first occurrence based on a determination that the first occurrence includes at least one first occurrence packet that is capable of taking advantage of at least one of the actual vulnerability to which the at least one networked device is actually vulnerable.
Sandboxing protection for endpoints
Methods and systems for integrating a sandboxing service and distributed threat intelligence within an endpoint security application are provided. According to one embodiment, The method includes file system or operating system activity relating to a file accessible to an endpoint system is monitored by an endpoint security application running on the endpoint system. The endpoint security application determines whether the file has been previously analyzed for a threat status. When a result of the determining is negative, then the endpoint security application requests the threat status by submitting the file to a remote threat analysis engine with a request to perform a threat analysis on the file. Based on the determined threat status, the endpoint security application selectively allows or disallows performance of the file system or operating system activity.
Systems and methods for detecting exploit-kit landing pages
The disclosed computer-implemented method for detecting exploit-kit landing pages may include detecting an attempt to access a web page via a computing device. The web page may be an unknown landing page of an exploit kit that includes a script that may be used by the exploit kit to access attributes of the computing device that may be used by the exploit kit to select suitable exploit code for compromising the computing device. The disclosed computer-implemented method may further include (1) monitoring one or more behaviors of the script, (2) detecting an attempt by the script to access an attribute of the computing device, (3) determining, based on the attempt to access the attribute, that the web page is likely a landing page of the exploit kit, and (4) performing a security action in response to the determination. Various other methods, systems, and computer-readable media are also disclosed.
Using telemetry data to detect false positives
Telemetry data concerning multiple samples convicted as malware by different endpoints is tracked over time. During a period of time in which telemetry data concerning convicted samples are tracked, specific samples can be convicted multiple times, both on a single endpoint and/or on multiple endpoints. The tracked telemetry data concerning the convicted samples is analyzed, and data that is indicative of false positives is identified. Convictions of samples can be exonerated as false positives, based on the results of analyzing the tracked telemetry data. More specifically, multiple data points from the tracked telemetry data that comprise evidence of false positives can be quantified and weighted. Where the evidence of false positives exceeds a given threshold, convictions of a given sample can be exonerated.
Systems and methods for providing an integrated identifier
Embodiments described herein provide systems and methods to streamline the mechanism by which data users access differently regulated data through the use of one or more integrated identifiers. The integrated identifiers lessen or eliminate the need to separately maintain one set of identifiers for regulated data and another set for non-regulated data. The methods and systems may be applicable in various credit and healthcare contexts where regulations over data use are prevalent. In one or more embodiments, a data user receives a unique integrated identifier for each of the data user's current or prospective customers, and the integrated identifiers can be used to persistently identify and track the customers over time and across applications that access regulated and/or non-regulated data. In the healthcare context, a healthcare provider may utilize a patient ID as the integrated identifier. To protect privacy, the integrated identifier may not include social security numbers or birthdates.
Multi-party secure global attestation
In authentication in global attestation, a server receives a request for access to a location based service. The server establishes a connection with a first device and with a second device, wherein the devices are connected by a location bounded network. The server sends a key order information to the first device and a first plurality of keys to the second device. The server receives a second plurality of keys from the first device, wherein the second plurality of keys is an ordered set of keys compiled using the key order information and the first plurality of keys. The server determines that the second plurality of keys received from the first device matches an expected plurality of keys. The server outputs, to the location based service, a notification indicating a result of the determining that the second plurality of keys matches the expected plurality of keys.
Information processing apparatus, information processing method, and non-transitory computer readable medium
An information processing apparatus includes an authenticating section, a detecting section, and a processor. The authenticating section authenticates a user. When the authenticating section has authenticated a first user, the detecting section detects a second user in the vicinity of the information processing apparatus. The second user is different from the first user. When the detecting section detects the second user, the processor performs a predetermined process.
Updating stored passwords
A device may include an authentication server and a server. The authentication server may receive a first form of a password from a client device in accordance with an authentication protocol, and authenticate the client device based on a comparison of the first form to a value derived from a second form of the password stored in a password database, where the comparison fails when the first form is not comparable to a value derived from the second form. The server may establish a secure connection to the client, receive a plain-text password from the client device over the secure connection, authenticate the client device by comparing a value derived from the plain-text password with a value derived from the second form, and update the password database with a third form of the password that permits the authentication server to successfully authenticate the client device when the authentication server receives the first form.
Method and system for efficient password input
Embodiments of the present application disclose a method for receiving password input from a user. During operation, the system receives, by a computing device, user input indicating that a user is entering a password. The system displays a plurality of shortcut keyboards of a keyboard sequence in successive order based on an arrangement of characters in the password. The system displays a first shortcut keyboard with a first key labeled with at least a first character of the password prior to displaying a second shortcut keyboard with a second key labeled with one or more characters positioned subsequent to the first character in the password. The system then receives input from the user selecting at least one key of each shortcut keyboard from the plurality of shortcut keyboards, and determines the password entered by the user based on the characters entered by the user through the key selections.
Policy-based compliance management and remediation of devices in an enterprise system
The present disclosure relates generally to managing compliance of remote devices that access an enterprise system. More particularly, techniques are disclosed for using a compliance policy to manage remediation of non-compliances of remote devices that access an enterprise system. A device access management system may be implemented to automate remediation of non-compliances of remote devices accessing an enterprise system. Remediation may be controlled based on different levels of non-compliance, each defined by one or more different non-compliances. In some embodiments, a level of non-compliance may be conditionally defined by one or more user roles for which non-compliance is assessed. Access to computing resources of an enterprise system may be controlled for a remote device based on compliance of the remote device. Access may be inhibited for those resources not permitted during a time period of a non-compliance.
Web-based single sign-on with form-fill proxy application
Web-based single sign-on can enable a user to log in to a single interface (such as through a web browser or thin client) and then provide SSO services to the user for one or more web applications. The web-based SSO system can be extended to support one or more different access control methods, such as form-fill, Federated (OIF), SSO Protected (OAM), and other policies. The web-based SSO system can include a user interface through which the user can access different web applications, systems, etc. and manage their credentials. Each SSO service can be associated with a web interface allowing the SSO services to be accessed over the web. The web interfaces can provide CRUD (create, read, update, delete) functionality for each SSO service. To support different access policy types, the web-based SSO system can include an extensible data manager that can manage data access to different types of repositories transparently.
Application authentication wrapper
Disclosed are various approaches for implementing an application authentication wrapper. An authentication request, such as a Kerberos request, is created for authenticating the computing device. The authentication request is encrypted to generate an encrypted authentication request. The encrypted authentication request is then forwarded to a reverse proxy server. An encrypted authentication response is received from the reverse proxy server. The encrypted authentication response, such as a Kerberos response, is then decrypted to generate a corresponding authentication response, which is then forwarded to the computing device that generated the authentication request.
Provisioning for smart navigation services
Techniques for provisioning a smart navigation service are presented. The provisioning can be performed by a name owner, by the smart navigation service itself, or by a third-party keyword service. The provisioned information can include an entity name, a keyword, and possibly other data correlated to at least one network locator. The navigation service electronically stores in navigation service persistent memory a rule correlating the entity name, the keyword, and, if used, the other data, to the at least one network locator, such that when the navigation service receives, from a client computer communicatively coupled to the navigation service, command data that includes the entity name, the keyword, and possibly other data, the navigation service responds to the client computer with the at least one network locator.
Verifying trustworthiness of redirection targets in a tiered web delivery network
Embodiments for verifying trustworthiness of redirection targets in a tiered delivery computing network by at least a portion of a processor. A degree of trustworthiness for a uniform resource locator (URL) is determined by validating at least one attribute of the URL to establish a reputation score of the URL. The URL is classified, using the reputation score, into one of a plurality of classifications to indicate the degree of trustworthiness.
Adaptive overlay networking
An adaptive overlay network and method of operating the same. A location table is used to directly map logical addresses of machines (e.g., virtual or physical) within the network to their respective physical addresses alleviating the need for encapsulation and virtual switches to perform communications between these machines.
Client aware DHCP lease managment
Managing DHCP address leases based on client properties. A DHCP server may allocate a short DHCP lease to a client device based on client properties. These client properties may include client device type, such as a type determined by OUI or OUI lookup, by client device characteristics, or by client position. Depending on client device properties, the client device is issued an address with a short lease time, or a long lease time. In the case of client activity, a DHCP server responds to initial requests for addresses by allocating an IP address with a short lease time. When the DHCP server receives a renewal request, it checks to see if the client has generated more than a predetermined amount of traffic. If the client has generated traffic exceeding this threshold level, the lease is renewed for a longer period. If the client traffic has not met the threshold level, the lease is renewed with the short lease time. Issuing addresses with short lease times removes inactive devices aggressively, returning addresses to the available lease pool. In an additional embodiment, a DHCP Relay mediates requests between clients and a DHCP server, rewriting lease times returned by the DHCP server to be short lease times. The DHCP Relay issues a DHCP Release to the DHCP server when a short lease to a client expires. The DHCP Relay mediates client DHCP Renew requests, renewing for a short lease time if the client has not generated traffic at the threshold level, and renewing for a long lease time if the client has generated traffic at or above the threshold level.
Apparatus and methods for assigning internetwork addresses
According to an aspect, an access point data processing apparatus includes: a cache memory to store internetwork addresses of an internetwork in association with local network addresses of a local computing device network; and processor electronics configured to receive a client network address of a client device to be connected with the internetwork through the access point, select one of the local network addresses to associate with the client network address of the client device, store the client network address in the cache memory in association with the selected one of the local network addresses, identify an internetwork addresses associated with the selected one of the local network addresses, provide the identified internetwork address to the client device, and direct network communications to and from the client device in accordance with the association between the client network address and the selected one of the local network addresses.
Managing messaging sessions among multiple participants
A method of managing a multi participant messaging session among session participants. The method comprises detecting electronic mails and instant messaging (IM) messages exchanged among session participants participating during a multi participant messaging session, accessing a repository that manages for each of the session participants a user preference profile defining a preferred messaging protocol selected from an email protocol and an IM protocol, identifying, using the repository, first and second groups of the session participants, each member of the first group has an email protocol as the preferred messaging protocol and each member of the second group has an IM protocol as the preferred messaging protocol, formatting the electronic mails such that email content thereof is sent according to the email protocol to each member of the first group, and forwarding the email content for distribution according to the IM protocol for each member of the second group.
Method of aggregating business and social networks
A method and system for facilitating relationships across multiple networks is described. The meta-network includes relationship information describing users, the networks to which such users belong, and the relationships that they have established within such networks. When a relationship is established in a network, it can be used to propagate relationships across any number of networks with the same or different users. The meta-network enhances the users' ability to search for information and manage their relationships across multiple networks. A user can search for other users according to one or more user-specified attributes. One or more users satisfying the user-specified attributes are identified, and a similarity measure may be determined for each of the identified users. A mapping interface is displayed to the user to enable the user to visually compare the identified users having a similarity measure within the displayed range. The mapping interface allows the user to invite one or more of the displayed users to establish a relationship with the user.
System and method for location and time based social networking
The present application is directed to a system and method for creating on-line comments of a point of interest. The system and method creates a moment having a piece of digital content showing the point of interest, wherein the moment has a time stamp and a location stamp; and shares the moment with a predetermined group of members. The sharing of the moment is limited to members that meet the time stamp and the location stamp, and the system and method refuse accepting comments from members that do not meet the time stamp and location stamp.
Pending interest table behavior
One embodiment provides a system that facilitates efficient aggregation of multiple interest messages for the same content from multiple predecessors. During operation, an intermediate node receives a first interest message from a predecessor node. The first interest indicates a name for a content object and a lifetime associated with the first interest. The intermediate node identifies an entry in a pending interest table that corresponds to the first interest and determines that the entry has not expired. The intermediate node determines whether a second interest message which indicates a same content object name as the first interest message has been received from the predecessor node. If so, it forwards the first interest. If not, it adds information associated with the predecessor node to the entry. The intermediate node determines a predecessor lifetime associated with the entry and also determines a maximum lifetime associated with the entry.
Transmission and presentation of private content in electronic messages
An email is received. The email consists of a common content, at least one recipient for the common content, a private content, and at least one recipient for the private content. Each of the at least one recipients for the private content is a recipient of the common content. The common content is stored in a first storage location, and the private content is stored in a second storage location.
Systems and methods for enabling a host system to use a network interface of a management controller
In accordance with embodiments of the present disclosure, an information handling system comprising may include a host system processor and a management controller communicatively coupled to the host system processor and configured to provide management of the information handling system via management traffic communicated between the management controller and a network external to the information handling system. The management controller may be further configured to couple to the external network via a first network interface integral to the management controller, emulate a second network interface to an operating system executing on the host system processor, and bridge the first network interface and the second network interface such that host system traffic may be communicated between the host system processor and the external network via the management controller.
Communication method, optical module, and network device
A communication method and an optical module are disclosed. In various embodiments the method includes generating, by an optical module, a first packet according to a service packet that passes through the optical module, wherein a source address of the first packet is the same as a source address of the service packet, and wherein a destination address of the first packet is the same as a destination address of the service packet; sending, the first packet in a transmission direction of the service packet; and receiving, a second packet sent by the network device, wherein the second packet indicates that the first transmission path from the optical module to the network device exists, and wherein the second packet instructs the optical module to communicate with a network management system by using the network device and the first transmission path.
Methods and apparatuses for processing multiple communications signals with a single integrated circuit chip
An apparatus is disclosed. The apparatus comprises a plurality of antennas and an integrated circuit chip coupled to the plurality of antennas, and is configured to process cellular signals received from the plurality of antennas in accordance with a cellular communication protocol and to process radio frequency identification (RFID) signals received from the plurality of antennas in accordance with an RFID protocol.
Communications network using a tunnel to connect two network nodes
A session admission process is provided which identifies the weakest link in a route between a first node and a second node and determines if the route is able to cope if the session is admitted. The suitability of a link is determined on the basis of: historical link performance; the predicted future performance of the link; and the predicted future demands on the link from other sessions supported by that link.
Systems and methods for discovering and downloading configuration files from peer nodes
A method for provisioning a managed node is described. The method includes obtaining data indicating a set of resources to be downloaded. The data corresponds to a designated configuration. The method also includes sending parallel resource existence requests to peer nodes for one or more resources in the set of resources. The resource existence requests are sent within a managed network. The method further includes determining if one or more responses from the peer nodes are received. The method additionally includes downloading at least one resource from at least one of the peer nodes if at least one response is received indicating that at least one peer node has a requested resource. The method also includes downloading any remaining resource from an administrative system.
Self-timed router with virtual channel control
Systems, apparatuses, and methods for implementing an asynchronous router with virtual channel (VC) control. The asynchronous router may support multiple VCs for connections to other routers. The asynchronous router may include an interface unit on each switch boundary, with each interface unit including a data merge unit. The data merge unit may include a full detector unit for each VC, with the full detector unit counting the number of flits sent out on a respective VC and counting the number of credits released by the successor router. Whenever the successor router has no credits available, the full detector unit will assert the full signal to prevent any input requests from requesting to transmit over that particular VC. When the full signal is asserted, a timer unit may be activated to repeatedly check if any credits have been released in the successor router.
Electronic apparatus, a central node apparatus and a network side apparatus, a transmission method and a configuration method
The present disclosure provides an electronic apparatus, a central node apparatus and a network side apparatus, a transmission method and a configuration method. The electronic apparatus for user equipment UE side includes: a transmission mode determining device configured for determining, based on service type of uplink transmission data that is to be transmitted to a network side apparatus by the electronic apparatus for UE side, whether to adopt a transmission mode in which the uplink transmission data is transmitted to a central node apparatus such that the uplink transmission data is transmitted to the network side apparatus. The electronic apparatus, the central node apparatus and the network side apparatus, the transmission method and the configuration method according to the present disclosure can implement at least one of saving network resources, reducing signaling overhead, and reducing power loss.
Statistical collection in a network switch natively configured as a load balancer
In an example, there is disclosed a network apparatus for providing native load balancing within a switch or router, including a first network interface operable to communicatively couple to a first network; a plurality of second network interfaces operable to communicatively couple to a second network; one or more logic elements comprising a switching engine operable for providing network switching or routing; and one or more logic elements forming a load balancing engine operable for receiving incoming network traffic via the first network, the incoming traffic having a destination internet protocol address (IP) corresponding to a virtual IP (VIP) designated for load balancing; assigning the incoming traffic to a traffic bucket associated with the second network; and logging the assigning; wherein the switching engine and load balancing engine are configured to be provided on the same hardware as each other and as the first network interface and plurality of second network interface.
Setting SDN flow entries
A method for setting software defined network (SDN) flow entries. A packet transmitted from a host is received, and a local flow table of the SDN switch for a flow entry that matches address information of the packet is searched. In response to determining that the packet matches a default flow entry in the local flow table, the packet is transmitted to a SDN controller according to the default flow entry. A first flow entry in the local flow table is set according to a source address, a destination address and an input port of the packet. A priority of the first flow entry is higher than a priority of the default flow entry. An action of the first flow entry is a non-forwarding action.
Session initiation protocol stack optimisation
Apparatus comprising a Session Initiation Protocol agent arranged to send and receive Session Initiation Protocol messages to and from peer Session Initiation Protocol agents. The apparatus is configured, for a Session Initiation Protocol message to be sent, to translate one or more header fields of the message into an alternative format and to include the translated field(s) within or prefixed to the message, together with the untranslated field(s).
Systems and methods for improved switch performance by preventing flooding
Aspects of the present invention include directing traffic in data communications systems. In embodiments of the present invention the traffic is directed based on a Media Access Control (MAC) address table. In embodiments of the present invention traffic directed to an unknown port is blocked to all ports that are in the MAC address table.
Method and apparatus for determining next hop and advertising routing information
Embodiments of the present application disclose a method and an apparatus for determining a next hop and advertising routing information, which relate to the field of communications and are used for reducing operation complexity of a forwarding device and reducing network maintenance workload. The method for determining the next hop provided by the embodiments of the present application includes: receiving, by a control device, first routing information sent by a first forwarding device, where the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining a next hop in second routing information for the second forwarding device according to the first routing path, where the second forwarding device is a receiver of the second routing information advertised by the control device.
Transport of time sensitive information using the internet
A system, which uses the internet to deliver time sensitive information, includes an overlay node, having a plurality of overlay nodes, which are used to deliver the time sensitive information. To better characterize the connection between a sending node and a receiving node, the sending node periodically requests each overlay node in the path between the sending node and the receiving node to force a retransmission of a packet, while also forwarding that same packet to the next overlay node. In this way, the delay associated with each link in the path can be quantified and recorded by the receiving node. Based on the observed transmission delays, the receiving node may determine an optimal buffer time. This buffer time is the amount of buffering performed at the receiving node prior to outputting the time sensitive information.
System and method for improving network performance
The disclosed embodiments include a system, method, and computer program product for improving network performance. For example, in one embodiment, a computer-implemented method for improving network performance includes determining network performance information data indicative of network transmission characteristics of a first set of data packets that are communicated, using a first data link layer protocol, over at least one link of a network. The method further includes the step of improving, using a processor, transmission of a second set of data packets over the network, which utilizes a second data link layer protocol, based on the network performance information data determined from the first set of data packets that are communicated using the first data link layer protocol.
System and method for dynamically controlling sample rates and data flow in a networked measurement system by dynamic determination of statistical significance
A system and methods for dynamically controlling sample rates and data flow in a distributed networked environment by dynamic determination of statistical significance or characteristics for an unlimited number of data collection scripts concurrently executed on concurrently rendering web pages operating an unlimited number of advertisements. Consumer and media behaviors are sampled on all the different components of the distributed environment to gather information, which is transmitted to a downstream statistical analytics system. The system and methods are configured to balance the communication data flow and load among servers and browsers in this distributed networked environment that are engaged in viewing of online content including online content with one or more advertisements.
Information processing apparatus, control method for information processing apparatus, and recording medium
An information processing apparatus includes a management unit configured to manage configuration information indicating a device configuration of the information processing apparatus, a receiving unit configured to receive setting information to be used by the information processing apparatus to perform an operation, from a server, and a control unit configured to control, in a case where setting information stored in the information processing apparatus is updated by using the received setting information, whether to execute processing for causing the information processing apparatus to reflect the update of the setting information, based on a type of the setting information to be updated and the configuration information.
Generic device attributes for sensing devices
A method and system is provided for optimizing time and complexity during an interoperation of at least two smart sensing device's operating in a heterogeneous environment, each device is configured to predetermined characteristics for a heterogeneous environment with a dynamic degree of prioritization in interoperation. The said method and system is adapted for creation of generic device attributes for smart sensing devices by an edge gateway system during the device discovery phase and at the same time performing semantic analysis on the content of the attributes to optimize the device interoperation mechanism in any smart environment.
Method and apparatus for admission to a MoCA network
Systems and methods for admitting new nodes into an existing network, for example a MoCA network. As a non-limiting example, various aspects of the present disclosure provide systems and methods for adding a new node to an existing network without requiring on-site manual configuration, for example utilizing communication between the new node and a network coordinator of the existing network prior to admission of the new node to the existing network.
Method for configuring physical channel start symbols, base station and user equipment
The present disclosure provides a base station. The base station comprises: a transmitting unit configured to transmit a Machine Type Communication (MTC) Physical Downlink Control Channel (M-PDCCH) and Physical Downlink Shared Channels (PDSCHs). A start Orthogonal Frequency Division Multiplexing (OFDM) symbol of a PDSCH carrying First System Information Broadcast (SIB1) is preconfigured. Respective start OFDM symbols of the M-PDCCH and other PDSCHs are configured via the SIB1. The present disclosure also provides a User Equipment (UE) and associated methods.
Customizable high availability switchover control of application delivery controllers
System and method of determining active/standby statuses of an intermediary device with respect to a logic group based on a user defined switchover policy. A user is allowed to configure a template to determine respective health levels for multiple sets of delivery resources. Each set of resources associated with a function engine residing in a respective intermediary device. The multiple sets of resources, in conjunction with the associated function engines, are equivalently operable to provide the same service function. The template may include user-specified events and respective weight factors. The specified events are monitored and a health score is dynamically derived for each delivery resource based on the template. Based on an updated health score rank with respect to the service function, a switchover may automatically occur from an intermediary device of a lower health score to another device with a higher health score.
Monitoring file system operations between a client computer and a file server
Method and apparatus for detecting a hung up and/or slow-running syscall without affecting the performance of the syscall. Before a syscall is started, a time stamp can be created at a memory address that is distinct from memory addresses to be used by the syscall. While a syscall thread handles the syscall operation, a separate monitor thread monitors the time stamp to track the length of time the syscall operation has been running. If the syscall thread operation exceeds a threshold time limit, then a flag can be sent to a network administrator to indicate that the syscall may be hung up and/or slow running.
Interleaving and deinterleaving source data for single carrier modulation and coding schemes
This disclosure describes methods, devices, and systems related to interleaving and deinterleaving symbols used in single carrier modulation and coding schemes. A device is disclosed comprising at least one memory storing computer-executable instructions, and at least one processor configured to access the at least one memory. The at least one processor is further configured to execute the computer-executable instructions to: receive a source data bit string from the at least one memory, scramble the source data bit string, parse the scrambled source data bit string into a plurality of segments, assign a portion of the plurality of segments to a Single Carrier-Block (SC-BLK), and encode the portion of the plurality of segments into a code word, wherein the code word comprises a plurality of bit groups, and each bit group comprises one or more bits. The at least one processor is further configured to determine a number of modulation symbols based at least in part on group size; map each of the plurality of bit groups to a corresponding modulation symbol; group the modulation symbols into an interleaved symbol block associated with the SC-BLK; group the plurality of modulation symbols in the interleaved symbol block into a second code word that corresponds to the first code word; and transmit a packet comprising the interleaved symbol block.
Clock correction method and circuit utilizing training sequence to correct oscillator output, and reference clock generation method and circuit utilizing training sequence to generate reference clock
A clock correction method is provided. The clock correction method includes the following steps: receiving a training signal in a communication protocol, wherein the training signal carries a specific signal pattern occurring repeatedly; performing frequency division on the training signal according to a number of toggles of the specific signal pattern so as to generate an equalization training sequence clock; and correcting a frequency of an output clock of an oscillator according to the equalization training sequence clock.
Supply voltage adaptation via decision feedback equalizer
Some embodiments include apparatus and methods using a first latch in a decision feedback equalizer (DFE), a second latch in the DFE, and circuity coupled to the first and second latches. The second latch includes a first input node coupled to an output node of the first latch. The circuitry includes a first input node coupled to the first output node, a second input node coupled to a second output node of the second latch, and an output node to provide information having a first output value based on first values of information at the first and second output nodes and a second output value based on second values of information at the first and second output nodes.
Adjustable signal equalization device and adjustment method thereof
An adjustable signal equalization device includes an equalizer circuitry, an analog-to-digital converter (ADC), a calculation circuitry, and a comparator circuitry. The equalizer circuitry has a transfer function, and processes an input signal based on the transfer function to generate an output signal. The ADC generates a digital signal according to the output signal. The calculation circuitry performs an accumulation according to the first digital signal to generate a first accumulated value and a second accumulated value, and generates a first detection signal and a second detection signal according to the first accumulated value and the second accumulated value. The comparator circuitry compares the first detection signal with the second detection signal to output a control signal to the equalizer circuit if the first detection signal is different from the second detection signal, in order to adjust the transfer function.
Echo detection circuit and method for multi-carrier system
An echo detection circuit for a multi-carrier system includes a memory, a threshold generating circuit and an echo determining circuit. The memory stores a plurality of channel impulse response values of the multi-channel system. The channel impulse response values include a target channel impulse response value, a plurality of preceding channel impulse response values and a plurality of subsequent channel impulse response values; a threshold generating circuit, coupled to the memory, generating a threshold corresponding to the target channel impulse response according to the preceding channel impulse response values and the subsequent channel impulse response values; and an echo determining circuit, coupled to the threshold generating circuit and the memory, comparing the target channel impulse response value with the threshold to determine whether the target channel impulse response value corresponds to an echo path of the multi-carrier system.
Information processing apparatus, signature providing method, signature verifying method, program, and recording medium
An information processing apparatus including a message generating unit that generates N sets of messages based on a multi-order multivariate polynomial set F=(f1, . . . , fm) defined on a ring K and a vector s that is an element of a set Kn, a first information selecting unit that inputs a document M and the N sets of messages to a one-way function that selects one piece of first information from among k (where k≥3) pieces of first information in response to a set of input information, and selects N pieces of first information, a second information generating unit that generate N pieces of second information, and a signature providing unit that provides a verifier with the N pieces of first information and the N pieces of second information as a digital signature.
Method for generating a secret sequence of values in a device as a function of measured physical properties of a transmission channel
A method is described for generating a secret sequence of values in a first device as a function of measured physical properties of a transmission channel between the first device and at least one second device. In this context, movements are detected by at least one sensor, and as a function of the detected movements, it is determined whether values of the physical properties of the transmission channel measured during the detected movements are suitable for generating the secret sequence of values.
Information processing apparatus, information processing method, and recording medium
Provided is an information processing apparatus including a sensor data obtaining unit configured to obtain predetermined information from a sensor, the sensor obtaining the predetermined information by sensing, and a key generation unit configured to generate key information for use in an authentication process, based on the information which is obtained by the sensor data obtaining unit during a predetermined period of time.
Time synchronization method and device
Disclosed are a time synchronization method and device. The method includes: a slave device detecting whether time synchronization can be performed via a primary link between a master device and the slave device; and when time synchronization cannot be performed via the primary link between the master device and the slave device, the slave device using a backup link to perform time synchronization. By the method and device in the embodiments of the present document, the technical problem of time synchronization failure caused by abnormalities in the related art is solved, and the technical effect of improving the reliability of time synchronization is achieved.
Pulse width modulation (PWM) to align clocks across multiple separated cards within a communication system
A system and method for clock phase alignment at a plurality of line cards over a backplane of a communication system. Phase adjustments are continually made for the clock signals at the line cards by dynamically measuring the propagation delay between the timing device and each of the plurality of line cards and continuously communicating the appropriate phase adjustment to each of the plurality of line cards.
Adaptive operational full-duplex and half-duplex FDD modes in wireless networks
Methods and apparatus that enable a wireless network system to dynamically change between full-duplex FDD operation and half-duplex FDD operation in order to take advantage of operational aspects of both modes. In one embodiment, an alternative duplex mode of operation is disclosed (semi-static half duplex FDD operation) that enables coordination between the client device (e.g., UMTS UE) and the base station in order to centralize control of radio resource control (RRC) to the base station. The disclosed methods and apparatus may also advantageously incorporate hybrid ARQ (HARQ) or comparable timing requirements into their operation.
Method for setting resource for FDR communication by node in FDR communication environment
Disclosed is a method for setting a resource for Full Duplex Radio (FDR) Communication by a node in an FDR communication environment. According to the method, resources for the FDR communication can be selected in consideration of channel information of the nodes performing the FDR communication to obtain an improved achievable sum rate compared to Half Duplex Radio (HDR) communication schemes and to acquire diversity effects.
Method for deactivating secondary cells by a base station and device therefor
A method and device for deactivating secondary cells by a base station in a wireless communication system, the method including generating, by the BS, a MAC deactivation message for a first SCell, wherein the first SCell is associated with one or more SCells served by the BS; and transmitting, by the BS, the MAC deactivation message to a UE for deactivating the first Cell, wherein the first SCell is used for transmission of PUCCH including uplink control information for multiplexing all uplink control information of the one or more SCells associated with the first Cell, wherein the MAC deactivation message for the first SCell indicates all of the one or more SCells associated with the first SCell are deactivated.
Method and apparatus for transmitting control channel in intra-cell carrier aggregation system
The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a Frequency Division Duplex (FDD) scheme. The method also includes receiving data through the Scell before a timing configured as an uplink sub-frame according to a TDD UpLink-DownLink (UL-DL) configuration of the Pcell. The method also includes transmitting a feedback of the received data through the Pcell in a feedback sub-frame. By the method, a feedback for a data can be effectively transferred.
In-device coexistence with other technologies in LTE license assisted access operation
Methods and structures are disclosed which facilitate co-existence of Long Term Evolution (LTE) type communication signal reception and transmission using one carrier, such as a licensed carrier, and another carrier, such as an unlicensed carrier, in the presence of other transmissions using the other carrier.
Method and system having reference signal design for new carrier types
A method and network element for providing reference signals to a user equipment, the method determining a reference signal pattern at the network element; and sending the reference signals to the user equipment using a reference signal mapping based on the reference signal pattern. Further a method and user equipment for receiving reference signals from a network element, the method determining a reference signal mapping at the user equipment; and detecting the reference signals at the user equipment using the reference signal mapping.
Transmission signal generation apparatus, transmission signal generation method, reception signal apparatus, and reception signal method
A transmission apparatus maps a first stream of input data to first complex symbols in serial format and convert them into first complex symbols in parallel format. They are inverse Fourier transformed into OFDM signals associated with multiple subcarriers that are transmitted via a first antenna over the multiple subcarriers in a same frequency band over a same time period that includes a same set of time slots. First pilot information is transmitted via a first antenna on a first one of a plurality of pilot subcarriers during the same set of time slots, and second pilot information is sent via a first antenna on a second one of a plurality of pilot subcarriers during the same set of time slots. The second pilot information is different from the first pilot information. A second stream of input data is similarly transformed to form second OFDM signals transmit via a second antenna over the multiple subcarriers in the same frequency band over the same time period that includes the same set of time slots. The first pilot information is transmitted via the second antenna on the second pilot subcarrier during the set of same time slots, and the second pilot information is transmitted on one of the pilot subcarriers during the same set of time slots.
Techniques for cell-specific reference signal (CRS)-based signaling in a shared radio frequency spectrum band
Techniques are described for wireless communication. A first method includes identifying a configuration of a downlink subframe in a shared radio frequency spectrum band, and generating, based at least in part on the configuration of the downlink subframe, a cell-specific reference signal (CRS) for the downlink subframe. A second method includes dynamically determining a presence of a CRS in a downlink subframe in a shared radio frequency spectrum band, and performing at least one operation during the downlink subframe in response to the dynamic determination.
Systems and methods for performing carrier aggregation for a wireless device proximate to an antenna system
Systems and methods are described for performing carrier aggregation for a wireless device proximate to an antenna system. An uplink signal may be received at an access node from a wireless device in communication with the access node. It may be detected that the wireless device is proximate to an antenna system, wherein the antenna system does not comprise the access node. It may be then determined that carrier aggregation should be triggered for the wireless device based on the detecting. And carrier aggregation may be performed for the wireless device by transmitting data from the access node to the wireless device over a primary carrier and a secondary carrier.
Data transmission scheme with unequal code block sizes
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus generates a data transport block, divides the data transport block into a number of sub-blocks. The sub-blocks include at least a first sub-block and a second sub-block, where a size of the first sub-block is different than a size of the second sub-block. The apparatus may encode the number of sub-blocks using different code rates and/or different coding schemes. The apparatus may modulate the encoded sub-blocks using different modulation orders. The apparatus transmits the sub-blocks to a receiver.
Enhanced node B and methods for network assisted interference cancellation with reduced signaling
Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message.
Power control method, apparatus, and system
The present invention discloses a power control method, apparatus, and system. A vectoring control entity acquires a power control factor Diik of an ith transmit end on a kth subcarrier, where the ith transmit end is one transceiver of M transceivers located at a central office end, 1≤k≤K, and K indicates a quantity of subcarriers; and sends the power control factor Diik to the ith transmit end, so that if it is determined, according to the power control factor Diik, that the power control factor Diik is less than a power gain factor gik, of a current transmit signal of the ith transmit end, on the kth subcarrier, the ith transmit end modifies the power gain factor gik of the current transmit signal, so that a modified power gain factor g′ik is less than or equal to the power control factor Diik.
Systems and methods of time slot allocation for shared mesh protection on bundled links
Systems and methods for time slot allocation of time slots for bundled links in a shared mesh GMPLS for protect paths with different of COS may include time slot allocation divided into multiple phases with each phase having some qualification criterion to go to next phase or exit if the criterion is not met. For example, allocation of time slots for a circuit may include three phases—component selection phase, a connection admission phase, and an optimization phase.
Optical spatial division multiplexing usable at short reach
An optical data transmitter includes vertical cavity surface-emitting lasers and an all-optical spatial mode multiplexer. Each vertical cavity surface-emitting laser is configured to output a data modulated optical carrier at a center wavelength of less than one micrometer. The all-optical spatial mode multiplexer has an optical output and optical inputs. Each vertical cavity surface-emitting lasers is optically connected to one or more of the optical inputs of the all-optical spatial mode multiplexer. The all-optical spatial mode multiplexer is configured to cause at least two of the vertical cavity surface-emitting lasers to excite linearly independent combinations of one or more optical spatial propagating modes of an optical fiber in response to the optical output being coupled to a near end of the optical fiber.
Method and apparatus for superchannel tuning
A method of automatically tuning subcarriers of a superchannel transmission. The method comprises determining (71) a received parameter of transmission quality of one or more of the plurality of subcarriers. The method further comprises tuning (72) a frequency of the one or more subcarrier based on the determined parameter of the transmission quality.
Massive-MIMO antenna measurement device and method of measuring directivity thereof
To minimize a measurement range when a near field measurement is performed on the directivity of a massive-MIMO antenna, and prevent the accuracy of measurement from deteriorating. Beam direction detection means 33 causes a probe antenna 12 to perform a rough scanning in a state where an electromagnetic wave radiation plane 1a of a test antenna 1 is directed toward a reference direction directly facing a measurement plane P, and detects the direction of a beam radiated by the test antenna 1 on the basis of a received signal thereof. Antenna direction change means 34 changes the direction of the test antenna 1 so that the detected direction of a beam is directed toward the center of the measurement plane P.
Transmission device with impairment compensation and methods for use therewith
Aspects of the subject disclosure may include, for example, a waveguide system that includes a transmission device having a coupler positioned with respect to a transmission medium to facilitate transmission or reception of electromagnetic waves that transport communications data. The electromagnetic waves propagate along an outer surface of the transmission medium. A training controller detects an impairment on the transmission medium adverse to the transmission or reception of the electromagnetic waves and adjusts the electromagnetic waves to reduce the effects of the impairment on the transmission medium. Other embodiments are disclosed.
Optical isolator mounted in printed circuit board recess
An optical isolator is provided. The optical isolator includes a printed circuit board having a first surface and a second surface opposite the first surface. The printed circuit board has a recess extending only partially through the board. The first photoelement has an active surface and is mounted relative to the first surface of the printed circuit board. A second photoelement has an active surface and is mounted relative to the second surface. The second photoelement is configured to interact with the first photoelement. At least one of the first and second photoelements has its active surface disposed at least partially in the recess. A portion of the printed circuit board is interposed between the first and second photoelements.
Apparatus and methods for reconfigurable optical receivers
An optical receiver includes a cascade of optical filtering elements, each of which selects spectral components from incoming optical signals at a wavelengths aligned to filter passbands. The selected spectral components may be optically combined to form k pairs of intermediary signals, where k=log2(M). By comparing the k pairs of intermediary signals, k bits of a digital signal representing the incident signal may be generated. The filtering elements may be configured to perform demultiplexing and demodulation simultaneously, increasing functionality and reducing excess losses. The filtering elements may also be tuned so that the optical receiver may be reconfigured to accommodate different combinations of wavelengths and modulation formats, such as wavelength division multiplexed (WDM) on off keying (OOK), M-ary orthogonal formats including frequency shift keying (FSK) and pulse position modulation (PPM), differential phase shift keying, and hybrid combinations—providing rate and format flexibility and WDM scalability.
Digital distributed antenna systems and methods for advanced cellular communication protocols
Digital distributed antenna systems and methods for advanced cellular communication protocols are provided. In one embodiment, a digital distributed antenna system comprises: a host unit; a plurality of remote antenna units each communicatively coupled to the host unit, wherein a downlink digitized RF signal is transported from the host unit to at least one of the plurality of remote antenna units, and wherein the at least one of the remote antenna units is configured to generate an analog RF signal from the downlink digitized RF signal; and a signal conditioning and control module that extracts from a first digitized RF signal at least one data stream and converts the at least one data stream to baseband data.
Reproduction device, method, storage medium, and system
A reproduction device is configured to receive light emitted based on a plurality of signals having a specific amplitude in a specific color space on which information is superimposed, and to reproduce the information based on the received light. The reproduction device includes: a memory; and a processor coupled to the memory and configured to: generate a plurality of signals in the specific color space from the received light, correct the generated plurality of signals based on the specific amplitude, and acquire the information based on the corrected plurality of signals.
Method and apparatus for data transmission
An electronic device comprising: a visible light communication (VLC) transmitter; a radio transmitter; and at least one processor, configured to: control the radio transmitter to transmit a first data item to a receiving device; and control the VLC transmitter to transmit a second data item to the receiving device.
Apparatus, onboard equipment, method, and computer program for a remote radio head
Embodiments provide an apparatus, onboard equipment, a method, and a computer program for a remote radio head. The apparatus (10) for a remote radio head (100) comprises a switch (12) operable to substantially switch the transmit signal between the two or more transmit antennas (20).
Aircraft flight data monitoring and reporting system and use thereof
An aircraft flight data monitoring and reporting system is provided. The system comprises: an onboard flight data recording and reporting unit; a zero-configuration service discoverer; a remote base station; a remote flight data monitoring storage and analysis unit; a wireless communication link; and a network, the wireless communication link and network for communications between the aircraft flight data monitoring and reporting system and each of the base station and the flight data monitoring storage and analysis unit, wherein the zero-configuration service discoverer facilitates auto-discovering between the flight data recording and reporting unit and the base station.
Communication system, terminal apparatus and method
A communication system includes a terminal apparatus, an information providing apparatus outputting content data, a wireless communication relay apparatus relaying communication between the terminal apparatus and the information providing apparatus, a wireless apparatus coupled to the terminal apparatus, and a reception apparatus coupled to the information providing apparatus and the wireless apparatus, wherein the terminal apparatus transmits attribute information to the information providing apparatus, the information providing apparatus transmits identification information to the terminal apparatus, the terminal apparatus transmits the identification information to the wireless apparatus, the wireless apparatus transmits the identification information to the reception apparatus, the reception apparatus transmits the identification information to the information providing apparatus, and the information providing apparatus outputs the content data.
Per stream and per antenna cyclic shift delay in uplink multi-user MIMO
A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus includes a processor configured to determine a first set of CSD values for transmitting a first set of information on a plurality of antennas, determine a second set of CSD values for transmitting a second set of information on the plurality of antennas, and transmit the first set of information based on the first set of CSD values and the second set of information based on the second set of CSD values.
Wireless user equipment RF relay management
UEs capable of RF relay are enabled and disabled under certain conditions. The access node can control the on and off duration of the UE functioning as an RF relay. The access node may only enable RF relay when there is a need by another UE for the RF relay. The UEs selected to relay (or to not relay) may be selected based on their location (e.g., close to a UE that is experiencing poor signal strength). In an embodiment, the RF relay function of UEs are successively turned on by the access node. This causes these UEs to relay the access node's beacon signal. If, after a period of time, the wireless network performance is not improved, these UEs are commanded to disable their RF relays. If the wireless network performance is improved, the UE may be allowed to continue as an RF relay.
Beacon-based contactless reader identification
Systems, methods, and computer program products are provided for using proximity sensing systems, such as Bluetooth low energy (LE) beacons, to uniquely identify remote computing systems, such as point of sale terminals. A mobile device includes an antenna, a baseband modem, and a contactless frontend, and is able to perform near-field communication transactions. The mobile device antenna receives radio communications from one or more Bluetooth LE beacons, the transmissions including data packets with a unique identifier. The mobile device calculates the signal strength of the one or more Bluetooth LE beacons at a time proximate to when a near-field communication transaction is initiated. The mobile device stores in its memory the data packet associated with the Bluetooth LE beacon broadcasting the strongest signal.
Monitoring and mitigating conditions in a communication network
Aspects of the subject disclosure may include, for example, a system for receiving telemetry information from an apparatus that induces electromagnetic waves on a wire surface of a wire of a power grid for delivery of communication signals to a recipient communication device coupled to the power grid, and detecting a condition from the telemetry information that is adverse to a delivery of the communication signals to the recipient communication device. Other embodiments are disclosed.
Crosstalk reduction method and repeater
A crosstalk reduction method includes providing a signal transmission unit including first to eighth main transmission paths, the first and second paths, the third and sixth paths, the fourth and fifth paths and the seventh and eighth paths being respectively paired to transmit differential signals, providing a first coupling transmission path in the signal transmission unit, the first coupling transmission path being adapted to electrically couple the third main transmission path to the fifth and seventh main transmission paths that are located adjacent to the sixth main path, and providing a second coupling transmission path in the signal transmission unit, the second coupling transmission path being adapted to electrically couple the sixth main transmission path to the second and fourth main transmission path that are located adjacent to the third main transmission path.
Measuring angle of incidence in an ultrawideband communication system
In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. During a carrier acquisition mode of operation, the samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of the channel impulse response (“CIR”) are developed. When a start-of-frame delimiter (“SFD”) is detected, the best CIR estimate is provided to a channel matched filter (“CMF”). During a data recovery mode of operation, the CMF filters channel-injected noise from the sample stream. Both carrier phase errors and data timing errors are continuously detected and corrected during both the carrier acquisition and data recovery modes of operation. The phase of the carrier can be determined by accumulating the correlator output before it is rotated by the carrier correction. By comparing the carrier phases of two receivers separated by a known distance, d, the angle of incidence, θ, of the signal can be determined.
Radio system antenna connector arrangement
The present disclosure relates to a radio system comprising an antenna device, an antenna connector arrangement and a radio transceiver with a transmitter branch and a receiver branch. The antenna connector arrangement connects the antenna device to the transmitter branch and to the receiver branch, and comprises a first tuneable band-stop filter, a second tuneable band-stop filter and a three-way-junction. The first tuneable band-stop filter is connected to the transmitter branch and a transmitter input port of the three-way-junction to filter radio signals, and the second tuneable band-stop filter is connected to the receiver branch and a receiver output port of the three-way-junction to filter radio signals. The three-way-junction comprises a first antenna port that is connected to the antenna device. The present disclosure also relates to an antenna connector arrangement, an antenna arrangement, and an electrically tuneable waveguide band-stop filter arrangement.
GAAS/SIGE-BICMOS-based transceiver system-in-package for E-band frequency applications
An e-band transceiver includes a transmitter circuit and a receiver circuit. The transmitter circuit includes a surface mounted technology (SMT) module on which is mounted a silicon-germanium (SiGe) bipolar plus CMOS (BiCMOS) converter, a gallium arsenide (GaAs) pseudomorphic high-electron-mobility transistor (pHEMT) output amplifier coupled to the SiGe BiCMOS converter, and a microstrip/waveguide interface coupled to the GaAs pHEMT output amplifier. The receiver circuit of the e-band transceiver includes a receiver-side SMT module on which is mounted a receiver-side SiGe BiCMOS converter, a GaAs pHEMT low noise amplifier coupled to the receiver-side SiGe BiCMOS converter, and a receiver-side microstrip/waveguide interface coupled to the receiver-side GaAs pHEMT low noise amplifier.
Method and apparatus for provisioning profiles
Provided is a technique to download and install a profile to a universal integrated circuit without receiving, from a network, an SMS for triggering reception of the profile. Specifically, a terminal according to the present invention comprises a communication unit configured to transmit and receive a signal; a control unit configured to create information for triggering reception of a profile; and a universal integrated circuit card configured to: access a profile management server and receive the profile based on the information using the communication unit, and install the received profile.
Detection path design for communication systems
Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal. In one embodiment, a data selector is used to pass only signals above a magnitude threshold. In another embodiment, a modified phase unwrap algorithm stores an unwrapping correction for subsequent samples and updates the stored unwrapping correction upon processing of each sample processed. In another novel aspect, mixed hardware and software solutions are used. In one embodiment, the reference signal and the detection signals are matched such that the modulation signal interference is removed. In some embodiments, one or two power detectors and a cross-correlator are used. In yet another embodiment, two detection measurement paths are used to obtain the reflection coefficient. In one embodiment, fractional timing offset is estimated to obtain the reflection coefficient.
Method for decoding bits-by varying LLR values in a solid-state drive, and solid-state drive implementing the method
The invention relates to a method for decoding read bits including information bits from memory cells of a solid-state drive. The method comprises providing an indication of reliability of the read bits, and, based on the indication of reliability, iteratively soft decoding the read bits in order to obtain the information bits, wherein the soft decoding comprises, at each iteration of the soft decoding, if the current number of iterations has reached a predetermined number of iterations indicative of an admitted latency of the solid state drive, and if no information bits having an error rate below a predetermined error rate have been obtained, providing a further indication of reliability of the read bits, and iteratively soft decoding the read bits based on the further indication of reliability. The invention also relates to a corresponding controller and a corresponding solid-state drive.
Techniques for variable forward error correction
A system includes an encoding circuit, a line quality monitor circuit, and a controller circuit. The encoding circuit generates a first data signal indicating encoded data using a first forward error correction code. The line quality monitor circuit generates an indication of a line quality of a second data signal using an eye monitor circuit that monitors the second data signal. The controller circuit causes the encoding circuit to generate encoded data in the first data signal using a second forward error correction code in response to a change in the indication of the line quality of the second data signal.
MCS/PMI/RI selection and coding/interleaving mechanism for bursty interference and puncturing handling
Bursty interference or puncturing may be identified, either by a user equipment (UE) or by a base station. In response, a protection scheme may be applied to protect communications from the bursty interference or puncturing. The protection scheme may include using both time and frequency interleaving of code blocks in the communications. The protection scheme may also include modifying the modulation and coding scheme (MCS), coding rate, precoding matrix index (PMI), or rank indicator (RI) used in the communications. The protection scheme may also include using a universal low-density parity check (LDPC) code in the transmission of the communications.
Trellis segment separation for low-complexity viterbi decoding of high-rate convolutional codes
A method for encoding bits according to a convolutional code. Bits to be encoded with the convolutional code are obtained for transmission over a communication channel. The bits are encoded according to the convolutional code with an encoder having an M-bit memory and a plurality of logic gates so as to separate trellis segments of the convolutional code into trellis sub-segments having a reduced number of branches per state than that of the trellis segments.
Methods and apparatus related to message compression/decompression are described. A compressed message is generated by indicating what changes are to be made to a previous message to produce the message sought to be transmitted. The required change, in the form of at least one command and corresponding parameter, is transmitted as a compressed version of the message being communicated. This approach takes advantage of the fact that messages sent over time often include much of the same message content and only one or a few fields may have changed. The techniques are general and involve including a command in the compressed message along with at least one parameter. The command indicates processing to be performed on a previous message to generate the uncompressed message. The parameter may be, e.g., data to be inserted into the previous message or specify a location in the previous message where the change is to be made.
Apparatus and method for automatic bandwidth calibration for phase locked loop
Described is an apparatus which comprises: a time-to-digital converter (TDC) to receive a reference clock and a feedback clock, wherein the TDC is to generate a digital output code representing a time difference between the reference clock and the feedback clock; a circuitry to apply a digital code to an output of the TDC; and a node to receive the digital output code from the TDC and the digital code from the circuitry, wherein the circuitry is to monitor the digital output code and to control the TDC according to at least the monitored digital output code.
Phase rotator apparatus
A phase rotator apparatus has phase interpolation and transimpedance amplifier (TIA) stages. This separates gain and bandwidth as degrees of design freedom, facilitating a reduction in power consumption while enabling the data link to transmit and receive higher speed data. Four phases of an incoming signal are combined by the phase interpolation stage using weighting currents and current-source loads to produce a phase shifted current based signal that the TIA stage receives as input. The TIA stage then converts the signal to a voltage based signal. The quiescent operating voltage of the stage outputs can be maintained with common mode feedback circuits and injector currents.
Oscillator, electronic apparatus, and moving object
An oscillator includes a resonator element; an oscillation circuit which outputs an oscillation signal by oscillating the resonator element; and a temperature compensation circuit as a frequency control circuit which controls an oscillation frequency of the oscillation signal, wherein, if a resonance frequency of the resonator element is referred to as Fr (MHz) and an equivalent series capacitance is referred to as C1 (fF), a relationship of C1≥0.00279×Fr2−0.05684×Fr+2.69481 is satisfied.
Programmable logic device virtualization
A device includes a programmable logic fabric. The programmable logic fabric includes a first area, wherein a first persona is configured to be programmed in the first area. The programmable logic fabric also includes a second area, wherein a second persona is configured to be programmed in the second area in a second persona programming time. The device is configured to be controlled by a host to switch from running the first persona to running the second persona in a time less than the second persona programming time.
Method and drive circuit for driving a transistor
A transistor is driven by a drive circuit that includes a logic unit and drive signal generator. The drive signal generator outputs a temporally variable drive voltage for driving the transistor, based on setpoint state information. A short-circuit information signal contains information about a possible short circuit of a load connected in series with the transistor load path. In response to this signal, the drive signal generator switches on the transistor at a first point in time by setting the transistor drive voltage to a value or a value range above a switch-on threshold value of the transistor, but limits the drive voltage to a maximum first switch-on voltage limit value. The drive signal generator maintains the drive voltage at maximally the first switch-on voltage limit value or sets the drive voltage to a value or a value range greater than or equal to a second switch-on voltage limit value.
Synchronous clock generation using an interpolator
In some embodiments, an apparatus comprises a device clock configured to generate a device clock signal a synchronization (SYSREF) clock generation circuit configured to receive the device clock signal from the device clock. The SYSREF clock generating circuit comprises a SYSREF divider configured to generate a SYSREF clock at least partially according to the device clock signal, an interpolator configured to generate a shifted clock at least partially according to the device clock signal, and a latch coupled to the SYSREF divider and the interpolator and configured to sample the SYSREF clock at a rising edge of the shifted clock.
Examples disclosed herein relate to set-reset (SR) latch circuits and methods for manufacturing the same. In some of the disclosed examples, a SR latch circuit includes an inverter storage loop for storing state information and a set of p-channel field-effect transistors (PFETs) for control circuitry. The PFETs may include first and second PFETs connected to a first node of the inverter storage loop, and third and fourth PFETs connected to a second node of the inverter storage loop. Gate terminals of the first and fourth PFETs may be connected to a first control input, and gate terminals of the second and third PFETs may be connected to a second control input.
Adaptive user interface configuration
Media devices present content such as games, audiobooks, music, movies, and so forth. During presentation of content, usage data may be acquired which provides information about how the media device is configured to present the content. For example, the usage data may indicate at which times during presentation that a user has increased or decreased volume for presentation of a movie. Information from a plurality of users may be analyzed to develop a presentation profile, which indicates at what times in the movie users have increased or decreased volume. During subsequent presentation of the content, a media device may use the presentation profile to adjust presentation settings of the content without user intervention.
There is disclosed an envelope tracking amplification stage comprising an input path and an envelope path and a delay stage in one of the input path and the envelope path, the delay of the delay stage being determined in dependence on the slope polarity of a signal representing the input and whether the signal in the input path leads or lags the signal in the envelope path.
RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof
An amplifier includes a semiconductor substrate. A first conductive feature partially covers the bottom substrate surface to define a conductor-less region of the bottom substrate surface. A first current conducting terminal of a transistor is electrically coupled to the first conductive feature. Second and third conductive features may be coupled to other regions of the bottom substrate surface. A first filter circuit includes an inductor formed over a portion of the top substrate surface that is directly opposite the conductor-less region. The first filter circuit may be electrically coupled between a second current conducting terminal of the transistor and the second conductive feature. A second filter circuit may be electrically coupled between a control terminal of the transistor and the third conductive feature. Conductive leads may be coupled to the second and third conductive features, or the second and third conductive features may be coupled to a printed circuit board.
System and method for multifunction segmented array compensation for oscillators
The present disclosure provides for a system and method for compensating an electronic oscillator for one or more environmental parameters. A method may comprise segmenting test data received from an output signal of the oscillator and generating at least one correction voltage to thereby compensate the oscillator for one or more environmental parameters. A system may comprise at least one multi-function segmented array compensation module configured to receive one or more output signals from an oscillator and generate one or more correction voltages to thereby compensate the oscillator for environmental parameters. The system may also comprise one or more sensors and a user EFC.
Apparatus for monitoring leakage current of transformer-less photovoltaic inverter
Disclosed is an apparatus for monitoring a leakage current of a transformer-less photovoltaic inverter, which can reduce the risk of a fault in a grid due to a leakage current in a photovoltaic inverter. The apparatus comprises a low pass filter configured to remove a high-frequency noise of a sensed leakage current signal; an average value calculator configured to calculate an average value of an output of the low pass filter; a direct current component remover configured to subtract the average value from the output of the low pass filter; a phase locked loop circuit section configured to calculate a peak value and a phase of a signal from which the direct current component has been removed; and a resistive component leakage current calculator configured to calculate a resistive component value of a leakage current, based on the peak value and the phase calculated.
Solar module, method for manufacturing a solar module, and method for repairing and/or retrofitting a solar module
The invention relates to a solar module and a method for manufacturing a solar module, wherein the solar module comprises at least one solar cell; at least two connection elements (3) for establishing an electrical connection to the at least one solar cell; a bypass component (4) which is connected with the connection elements (3) and a connection box (2), in which the bypass component (4) is provided, wherein the connection box (2) comprises a potting material (6) which covers at least partially the bypass component (4). According to the invention the connection box (2) comprises at least one connection area (7, 7a, 7b) which is free of potting material (6), wherein a bypass component (40) and/or another electronic component is connectable with the connection elements (3) using the connection area (7, 7a, 7b). The invention also relates to a method for repairing and/or retrofitting a solar module.
Photovoltaic rapid shutdown device and photovoltaic system
A photovoltaic rapid shutdown device and a photovoltaic system are provided. The device includes a first switch, a second switch, a bypass diode, an auxiliary power supply, a control circuit and a communication circuit. One of multiple photovoltaic modules serves as a power supplying photovoltaic module, and an output terminal of the power supplying photovoltaic module is connected to an input terminal of the auxiliary power supply. The first switch is connected in series between the power supplying photovoltaic module and an adjacent photovoltaic module. Two terminals of the second switch are connected to positive and negative output terminals of a branch formed by the multiple photovoltaic modules connected in series, respectively. A cathode of the bypass diode is connected to a low voltage terminal of the adjacent photovoltaic module.
Apparatus for cleaning surfaces
The invention relates to an apparatus for cleaning surfaces, in particular of solar collectors and/or of photovoltaic installations, having at least one cleaning member, in particular a brush roller or plate brush, moving, in particular rotating, during the cleaning operation, having a holding device for the cleaning member, having a fluid drive for the cleaning member operable in different states and having a switching device with which a change can be made between the different operating states of the fluid drive.
PWM actuator control with pulse regulation
A driver circuit for generating a sequence of pulses of a drive voltage from a supply voltage is described. The drive voltage is used for operating an electrical actuator, such as an electrical engine or machine. The driver circuit comprises means for providing an amplitude indication of an amplitude of the supply voltage, which is used for generating a first pulse of the sequence of pulses. Furthermore, the driver circuit comprises an integration unit configured to integrate the amplitude indication for a duration of the first pulse, thereby generating an integrated voltage. In addition, the driver circuit comprises a comparator configured to compare the integrated voltage with a reference voltage, thereby generating a comparator signal. Furthermore, the driver circuit comprises a control unit configured to terminate the first pulse in dependence of the comparator signal.
Three level inverter midpoint control gain correction
A system and method for controlling a DC midpoint terminal voltage of a three level inverter is provided. The method includes receiving an input power signal at a three level motor controller system that includes a three level inverter, measuring, using a current sensor in the three level motor controller system, a DC current of the input power signal before the input power signal is provided to the three level inverter, and adjusting a zero-sequence inverter output voltage to adjust a midpoint voltage at the DC midpoint based on the measured DC current.
Hybrid drive circuit for variable speed induction motor system and methods of control
Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range of line input power frequencies, and couple line input power to an output of the inverter using a first switch device when the motor commanded frequency is within the predetermined range of line input power frequencies.
Cogeneration system configured to be installed into an existing boiler plant/emergency generator installation and process for cogeneration
At least one embodiment relates to a cogeneration system configured to be coupled to an electrical input of a building and configured to be coupled to a heating or cooling system of a building. The cogeneration system can comprise a generator configured to generate electrical energy. There can be also a fluid output and a fluid input that passes through the generator and configured to absorb heat from the generator. There can also be an electrical output coupled to the electrical input of the building wherein when the generator is operational, the engine creates both heat and electricity. There can also be a processor in communication with the generator, wherein the processor controls when the generator turns on and off based upon the amount of heat or cooling needed, the cost of fuel and the existing electrical rates. These costs can be obtained using communication with real time rates over the internet.
System and method for controlling DC link voltage of a power converter
The present subject matter is directed to a system and method for operating an electrical power circuit connected to a power grid. The electrical power circuit has a power converter electrically coupled to a generator. The method includes monitoring a rotor speed of the generator during operation of the electrical power circuit. The method also includes increasing an operating range of the rotor speed of the generator. Further, the method includes determining at least one of a line-side voltage of a line-side converter of the power converter or a rotor-side voltage of a rotor-side converter of the power converter during operation of the electrical power circuit. Another step include controlling, via a converter controller, a DC link voltage of a DC link of the power converter as a function of one or more of the line-side voltage, the rotor-side voltage, and/or the rotor speed.
Method and circuit arrangement for controlling a stepper motor
A method and a circuit arrangement is described by means of which a stepper motor can be operated by an adaptive control over a large rotational speed range, including a standstill, in which the motor is electrically fixed in a specific rotational position, and with high precision and running smoothness corresponding to a specified motor current course. This is achieved essentially by the fact that the motor is operated in a low rotational speed range including a standstill with a voltage-controlled or voltage-regulated first operating mode and in a higher or high rotational speed range with a current-controlled second operating mode.
Field winding type synchronous machine
A field winding type synchronous machine connects to a DC line and includes a rotor; a stator; an exciter that passes a current through a field winding of the rotor; and a rectification circuit that rectifies an output from the exciter and provides the output to the DC line. The synchronous machine includes the field winding being connected in parallel to a first circuit in which a parallel circuit including a rectifier element and a first switchgear is connected in series to a discharge resistor, a second switchgear being connected in series to the DC line that connects the first circuit to the rectification circuit, and a capacitor being provided between the discharge resistor and the input side of an electric power source element for gating the first switchgear.
Semiconductor device and electrically-powered equipment
When electricity is supplied sequentially one by one to coils with a plurality of coil phases provided in a stator of a brushless DC motor, detection is made on a difference of signals corresponding to currents flowing respectively to coils with another plurality of coil phases coupled to the electrically conductive coil phases due to an effect of a magnetic flux of a stopped rotor. A stop position of the rotor with respect to the stator is determined, based on the relationship between a result of the detection operation and a coil phase in association with each other.
Integrated circuit, motor component and application device having the motor component
An integrated circuit, a motor component including the integrated circuit and an application device having the motor component are provided according to embodiments of the present disclosure. The integrated circuit includes a housing, an integrated circuit die arranged inside the housing and multiple pins extended out from the housing. The integrated circuit die has a conductive back plate and an electronic circuit arranged on the conductive back plate. The multiple pins include an input pin and an output pin, each of the multiple pins has a lead frame inside the housing. And the conductive back plate is fixed to the lead frame of at least one ungrounded pin of the multiple pins in a manner of electrical insulation, thereby avoiding an short circuit for the integrated circuit due to an electrical connection between the conductive back plate and the lead frame fixed to the conductive back plate.
System for converting thermal energy into electrical power
A system for converting thermal energy into electrical power includes a temperature-sensitive element held in a frame by its two ends between a heat source and a cold source producing a thermal gradient. A piezoelectric element is positioned between the frame and at least one end of the temperature-sensitive element. The temperature-sensitive element is configured to deform cyclically between two states under the action of the thermal gradient. With each cyclic deformation, a stress is applied to the piezoelectric element via the one end.
Power generation apparatus and touch apparatus with grain materials
A power generation apparatus and a touch apparatus with grain materials are provided. The power generation apparatus includes a grain material layer, a first electrode, an electric material layer, a second electrode and a conductive wire. The first electrode is electrically connected to the grain material layer. The electric material layer corresponds to the grain material layer, and a gap is formed between the grain material layer and the electric material layer. The second electrode is electrically connected to the electric material layer. The conductive wire is electrically connected to the first electrode and the second electrode. The grain material layer and the electric material layer interact with each other to generate a current or a voltage. Thereby, the present invention can generate power by utilizing a grain material.
Transformerless AC line isolator
Various systems, apparatuses, and methods are disclosed herein, which provide a new power conversion topology for isolated systems that does not include a transformer. Embodiments of the inventive systems comprise: a switching system utilizing high voltage, low leakage switches, e.g., Silicon Carbide (SiC) MOS-FETs; a power source; an inductor and a capacitor operating as a link stage resonant LC circuit; and a load. The switching system may be configured to be controlled in a synchronized ‘four phase’ control loop process, wherein the input switches are prevented from being closed at the same time as the output switches, thereby providing electrical isolation between the input power source and the load—without the use of a transformer. The techniques disclosed herein are applicable to any number of isolated systems that supply power to electronic systems such as: digital cameras, mobile phones, watches, personal data assistants (PDAs), portable music players, displays, and computers.
Battery system comprising a hybrid battery and an NPC inverter which is connected at the input end to the battery, and method for operating an NPC inverter which is connected at the input end to a hybrid battery
The present invention relates to a battery system which has a hybrid battery which comprises a first energy storage source having a plurality of first energy storage cells and comprises a second energy storage source which is connected in series with the first energy storage source and has a plurality of second energy storage cells which are different from the first energy storage cells. Furthermore, the battery system has an inverter which is connected at the input end to the battery and is designed to convert a DC voltage which is supplied to the input end into an, in particular polyphase, AC voltage which is produced at the output end. The battery system also has a control unit which is designed to operate the inverter in a first functional mode or in a second functional mode or in a third functional mode by controlling a plurality of semiconductor switches of the inverter. In the first functional mode, the inverter converts a DC voltage which is provided by the first energy storage source and is supplied to the input end into the AC voltage which is produced at the output end. In the second functional mode, the inverter converts a DC voltage which is provided by the second energy storage source and is supplied to the input end into the AC voltage which is produced at the output end. In the third functional mode, the inverter converts a DC voltage which is provided by a series circuit comprising the first energy storage source and the second energy storage source and is supplied at the input end into the AC voltage which is produced at the output end.
In a multilevel converter, three circuit breakers are respectively connected between three arms and three reactors. One circuit breaker is a DC circuit breaker configured to interrupt direct current when a short circuit accident occurs between two DC power transmission lines. Each of the two circuit breakers is an AC circuit breaker configured to interrupt alternating current when the short circuit accident occurs. When the short circuit accident occurs, the two AC circuit breakers are brought into the non-conductive state and then the DC circuit breaker is brought into the non-conductive state, thereby interrupting the short circuit current.
AC rectifier system
The AC rectifier system includes an AC source having a positive half-cycle terminal and a negative half-cycle terminal, a first rectifier module along with a first resonance unit having a first terminal connected to the positive half-cycle terminal, a second rectifier module along with a second resonance unit having a first terminal connected to negative half-cycle terminal, a regulator module along with a load element having a first terminal respectively connected to a second terminal of the first rectifier module and a second terminal of the second rectifier module, and a current divider module connected to the positive and negative half-cycle terminals the first terminals of the first and second rectifier modules, and the second terminal of the regulator module. Therefore current would be repeatedly transformed through the current divider module, enhancing heat reduction and transformation efficiency. The resonance units may also function as a filter.
Power conversion device
A power-conversion device includes a power-converter converting power from the power-supply. A filter-capacitor part eliminates noise from power in the power-converter. A housing contains a power unit comprising the filter-capacitor part and the power-converter stacked on the filter-capacitor part and to enable the power unit to be taken in and out from an upper surface and a side surface thereof. A guide rail is located on a bottom surface of the housing to extend in a direction substantially perpendicular to the side surface and guides the power unit when the power unit is taken in and out from the side surface of the housing. A protrusion is located on the filter-capacitor part to fit upward into a hole or a concave portion formed on the power-converter and guides the power-converter when the power-converter is taken in and out from the upper surface of the housing.
Voltage doubling alternating current power supply using electricity from two circuits with transformer for phase control and input circuit isolation
An alternating current power supply configured to provide a high-voltage alternating current power output from two low-voltage alternating current power sources is provided. The alternating current power supply comprises a first alternating current power input, a second alternating current power input, and an alternating current power output having a first output conductor and a second output conductor. The alternating current power supply includes a first switch means for coupling the first alternating current input to the first output connector and the second alternating current input to the second output connector. The first switch means is sequentially responsive to the first current flow followed by the second current flow. The alternating current power supply further comprises an isolation means connected between the first switch means and the alternating current power output, wherein the isolation means is configured to isolate the first current flow from the second current flow.
Inductive power transfer converters and system
An IPT system for wireless power transfer is provided, in particular an IPT system capable of operating at high frequencies. In one aspect there is provided an IPT transmitter comprising a push-pull resonant converter having a resonant frequency and configured to operate at a switching frequency below the resonant frequency and dependent on a switching characteristic of a second converter configured to inductively couple to said transmitter.
Isolated synchronous rectification-type DC/DC converter
A secondary controller drives a light emitting element of a photocoupler such that a detection voltage VOUTS corresponding to an output voltage VOUT generated in an output capacitor C approximates to a reference voltage VREF. A primary controller controls a switching transistor M according to a feedback signal VFB. A protection circuit is activated and drives the light emitting element of the photocoupler when detecting an abnormal state. An auxiliary power supply circuit includes a power supply capacitor C provided separately from the output capacitor C and supplies a power supply voltage VCC to the protection circuit and an anode of the light emitting element of the photocoupler.
Switching mode power supplies with fast load-transient response
A power supply detects a falling rate of an output voltage for fast load-transient response. The power supply with a primary side and a secondary side isolated from each other comprises a primary-side control circuit and a secondary-side control circuit. The primary-side control circuit controls a power switch to convert an input power source on the primary side into an output power source on the secondary side. The output power source has the output voltage. The secondary-side control circuit detects the falling rate and sending information to the primary-side control circuit when the falling rate exceeds a predetermined rate. In response to the information, the primary-side control circuit starts anew switching cycle of the power switch.
DC/DC converter and switching power supply having overcurrent protection
A DC/DC converter has: a soft-start circuit, a variable output current generator, a constant current source, an oscillator, a slope circuit, a PWM comparator, and a control circuit operable to turn ON and OFF first and second transistors alternately based on a pulse width modulation signal. Through the switching operation of the first and second transistors, an input voltage is converted into a output voltage.
Semiconductor apparatus, power supply apparatus, electronic device, and control method for power supply apparatus
A semiconductor apparatus includes: a switch circuit connected between a first power supply terminal and an output terminal; a switching element connected between the output terminal and a second power supply terminal; and a control circuit that, when a predetermined period has elapsed since the entry of the switch circuit into an ON state in response to an enable signal, causes the switching element to start a switching operation to increase a power supply voltage supplied between the first power supply terminal and the second power supply terminal.
Two-switch switched-capacitor converters
Various examples are provided for two-switch switched-capacitor (SC) converters. In one example, a SC converter includes first and second switches connected in series, a first gain-extension network coupled to the first switch and a second gain-extension network coupled to the second switch, which can be operated to boost a voltage applied across the first and second switches. The gain-extension networks can include a diode and a capacitor. In another example, the gain-extension networks can include a switch and a capacitor, which can be operated to buck a voltage applied across the gain-extension networks. In another example, a SC converter includes first and second diodes connected in series, a first gain-extension network coupled to the first diode and a second gain-extension network coupled to the second diode. The gain-extension networks can include a switch and a capacitor, which can be operated to buck a voltage applied across the gain-extension networks.
Internal voltage generation circuit and system including the same
An internal voltage generation circuit may be provided. The internal voltage generation circuit may include a first internal voltage generation circuit configured to provide a reference internal voltage to either an internal voltage control circuit or a node at which an output internal voltage is generated. The internal voltage generation circuit may include a second internal voltage generation circuit configured to change a level of the output internal voltage. The internal voltage generation circuit may include an internal voltage control circuit configured to compare the reference internal voltage with the output internal voltage and control the first and second internal voltage generation circuits to change the level of the output internal voltage according to a comparison.
Choke and EMI filter circuits for power factor correction circuits
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit that receives power from the first EMI filter and limits an amount of current passing from the first EMI filter to a DC bus; and a PFC circuit of a compressor drive that provides PFC between an output of the charging circuit and a generated first DC voltage. The PFC circuit includes: a rectification circuit that rectifies the power from the AC lines or a charging circuit output; and a second EMI filter connected downstream from the rectification circuit and including a DC bus rated capacitor. The second EMI filter outputs a filtered DC signal based on a rectification circuit output. The PFC circuit, based on the second EMI filter output, outputs the first DC voltage to the DC bus to power the compressor drive.
High-frequency, high density power factor correction conversion for universal input grid interface
A circuit includes a reconfigurable rectifier, a voltage balancer, and a pair of converters. The reconfigurable rectifier includes an ac input port and three output ports. In a first configuration, the reconfigurable rectifier can deliver power at a first output port and, in a second configuration, to at least a second output port. The voltage balancer includes first and second ports coupled to second and third output ports of the reconfigurable rectifier and is configured to balance received voltage at the first and second ports. The first converter has an input coupled to the first port of the voltage balancer and an output at which a first converted voltage signal is provided. The second converter has an input coupled to the second port of the voltage balancer and an output at which a second converted voltage signal is provided.
Controller tuning using duty cycle mismatch
In an example, a device for operating a switching converter is configured to receive a composite command duty cycle value. The device is further configured to generate an effective duty cycle value based on a voltage at a switching node. The device is further configured to generate a duty cycle mismatch value using the composite command duty cycle value and the effective duty cycle value so as to generate a plurality of duty cycle mismatch values. Each duty cycle mismatch value of the plurality of duty cycle mismatch values corresponds to a candidate natural frequency value of the converter. The device is further configured to output a candidate natural frequency value of the converter that corresponds to a maximum duty cycle mismatch of the plurality of duty cycle mismatch values.
Zero-voltage-switching scheme for phase shift converters
This disclosure relates to improved designs for phase-shift power converters, and, in particular, full bridge converters. Phase-shift power converters may lose Zero-Voltage-Switching (ZVS) under some load conditions, e.g., light load conditions—which can result in large switching losses. In order to avoid these losses, additional LC tank circuits may be added into the system to generate an amount of negative current needed to maintain ZVS. However, permanently adding such LC tank circuits into the system will reduce the system's efficiency. By intelligently adjusting the number (and particular combination) of LC tank circuits included in the system at a given time, ZVS may be maintained under all load conditions, while the impact of the additional LC tank circuits on the converter's overall efficiency may be limited, e.g., by employing the minimum number of LC tank circuits for the minimum amount of time needed to maintain ZVS.
Power supply capable of maintaining its output voltage
A power supply includes a DC to DC converter, a storage capacitor, a voltage detector, a bypass unit, and a voltage-multiplying unit. The DC to DC converter receives a capacitor voltage from the storage capacitor and generates an output voltage; the voltage detector is configured to detect an input voltage. The bypass unit electrically connected to the storage capacitor turns on when the input voltage is equal to or greater than the capacitor voltage and turns off when the input voltage is lower than the capacitor voltage. The voltage-multiplying unit electrically connected to the storage capacitor and the voltage detector includes a first winding and a second winding and performs a voltage-multiplying procedure by coupling the first winding to the second winding while the input voltage is lower than a threshold voltage to ensure that the DC to DC converter can generate the output voltage for a specific period.
Stacking apparatus and stack manufacturing system
To provide a stacking apparatus and a stack manufacturing system having high accuracy and productivity. A stacking apparatus 10 includes: a stage unit 40 on which a first material to be stacked 91 and a second material to be stacked 92 are stacked and placed; a sandwiching member 31 that is vertically movable with respect to the stage unit 40, and between which and the stage unit 40 the first material to be stacked 91 an the second stacked 92 are sandwiched; and a press member 33 that is vertically movable with respect to the sandwiching member 31 and simultaneously presses the first material to be stacked 91 and the second material to be stacked 92.
Actuator exhaust fluid energy harvester
A fluid energy harvester, including a housing having at least one port and an outlet, and the housing defining at least one fluid passageway therein. The fluid energy harvester also includes a converter disposed within the housing and configured to convert at least a portion of potential energy in an exhaust fluid, a generator operably coupled to the converter and configured to generate an electrical current from the converter, a charging controller electrically coupled to the generator, and a storage medium electrically coupled to the generator and configured to store the electrical current generated by the generator. The fluid energy harvester further includes a nozzle configured to control a flow of the exhaust fluid.
Auxiliary generator system
A supplemental A/C generator system mounting above a vertical shaft driven rotary engine on a lawn and garden tractor, providing a frame mounted base attaching to the lawn and garden frame defining a platform upon which is mounted an A/C rotary generator providing a lower shaft extension, a connector attaching a rotary engine shaft to an upper shaft of the generator, with a power panel attaching to an outer surface of the generator by a connector plate, the power panel providing a plurality of outlets into which 110 volt and/or 220 volt appliances may be attached, the generator system providing a source of A/C electricity on board the lawn and garden tractor independent from the operation of the lawn and garden tractor.
Rotating electric machine and method of manufacturing same
A rotating electric machine includes a weld formed by welding end portions of a pair of electric conductors for forming a coil and a weld-insulating member that covers, at least, a surface of the weld. The weld has an uneven portion formed on at least part of the surface thereof. The uneven portion is constituted of a plurality of annular recesses and a plurality of annular protrusions. The annular recesses are formed alternately and continuously with the annular protrusions.
Magnet-embedded motor and compressor having magnet-embedded motor
A motor including: a stator that has a plurality of teeth formed, toward the central axis, on the inner circumferential section of a cylindrical shaped yoke and has a coil wound, with distributed winding, onto the plurality of teeth; and a rotor where a plurality of magnetic poles consisting of two permanent magnets which are rotatably installed on the inside of the stator and placed, in a convex V-shape, on a central axis side of the stator, are formed in the circumferential direction at a uniform interval, wherein the rotor has outer flux barriers consisting of air gaps formed on the respective diameter directional outer ends of the two permanent magnets, and inner flux barriers consisting of air gaps formed on the respective diameter directional inner ends of the two permanent magnets, the respective inner flux barriers of the two permanent magnets being spatially connected to each other.
Rotor of rotary electrical machine equipped with excitation winding insulator comprising at least one petal modified for passage of magnet during assembly
A rotor (1) of an electrical rotating machine, especially for an alternator or an alternator-starter of a motor vehicle, comprising two polar wheels (7, 8), an excitation winding provided with an insulator (15), and at least one magnetic assembly (13) placed between the two polar wheels which are each provided with teeth (9a, 9b), the insulator of an excitation winding comprising a plurality of petals (20), wherein at least one of the petals has a side recess (27) for allowing the passage of one of the magnetic assemblies (13) during the assembly of the two polar wheels (7, 8).
Position misalignment detection device and electronic apparatus
The position misalignment detection device includes: a comparator configured to compare an electric current induced by a receiving coil in a receiver (RX) to which an electric power is transmitted from a transmitter (TX) with a non-contact power supply transmitter method; a frequency counter connected to the comparator, the frequency counter configured to count transmit frequency fi transmitted from the transmitter; and a register configured to store a counted value Fi counted by the frequency counter. There is provided the position misalignment detection device which can detect a position misalignment of the receiver on the transmitter during electric charging.
Wireless power transfer for devices with variable orientation
Disclosed herein are embodiments of a novel WPT system to deliver power from a stationary source (e.g., a primary coil) to a moving telemetric device (e.g., a secondary coil) via magnetic resonance coupling. Novel configurations of the secondary employing ferrite components placed at specific locations and orientations within the coil. Embodiments of these secondary coil configurations are constructed and their performance is tested. Measurements show that ferrite components improved power transfer at most orientations, beyond that of the nominal ferrite-less configuration. The use of angled ferrite components further improved power transfer.
Apparatus and method for wireless power transfer in furniture
An article of furniture having an internal frame and an upholstery covering is provided with at least one transmitting resonator carried by said frame and disposed at least partially beneath said upholstery covering. The resonator is tuned for resonance at a predetermined frequency and driven by a high frequency power source also carried by said frame. The high frequency power source is adapted for coupling to a source of electric power external to the article of furniture, such as to an AC outlet. The high frequency power source and transmitting resonator producing in the near field adjacent the at least one transmitting resonator a magnetic field that couples and transfers power at the predetermined frequency. A complementary receiving resonator or a compound passive resonator having two or more coils is coupled to the load to be powered and power is transferred by magnetic induction when the receiving resonator is positioned within the near field of the transmitting resonator.
Voltage source isolation in wireless power transfer systems
The disclosure features wireless power transmitters that include a power source, a first coil connected to the power source, a second coil connected in series to the first coil, and a third coil positioned in proximity to the second coil, where during operation of the wireless power transmitters, the power source applies a driving voltage to the first and second coils, the first coil generates a first magnetic field that transfers power to a receiver resonator, the second coil generates a second magnetic field that induces a voltage across the third coil, and the induced voltage across the third coil is applied to a component of the wireless power transmitters.
External or internal wireless power receiver with spaced-apart antenna elements for charging or powering mobile devices using wirelessly delivered power
The embodiments described herein include a transmitter that transmits a power transmission signal (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocket of energy. The transmitter can locate the at least one receiver in a three-dimensional space using a communication medium (e.g., Bluetooth technology). The transmitter generates a waveform to create a pocket of energy around each of the at least one receiver. The transmitter uses an algorithm to direct, focus, and control the waveform in three dimensions. The receiver can convert the transmission signals (e.g., RF signals) into electricity for powering an electronic device. Accordingly, the embodiments for wireless power transmission can allow powering and charging a plurality of electrical devices without wires.
Maintenance transfer switch
Disclosed herein are methods and systems for providing electrical power to an electrical system. An automatic transfer switch selectively provides power to the electrical system from one or more power supplies through a plurality of power outlet connectors of the automatic transfer switch. The plurality of power outlet connectors of the automatic transfer switch are selectively electrically connected to the one or more power supplies responsive to a state of health of the one or more power supplies.
Vehicle apparatus for charging photoluminescent utilities
A vehicle charging compartment is disclosed. The compartment comprises a charging device comprising a plurality of light sources configured to emit a charging emission. The light sources are disposed on an interior surface formed by the compartment. A controller is configured to selectively illuminate the charging device in response to an environmental condition and a vehicle fault communicated to the controller.
Remote power control and monitoring of a vehicle power system
A power inverter (12) that is connectable with a mobile application via a wireless communication link (32). The mobile application enables operation of the power inverter (12) to be monitored and controlled via a graphical user interface on a remote device (34).
Method for operating an active converter connected to an electric machine and means for the implementation thereof
An active converter connected to an electric machine, including arresting circuits to activate a voltage arresting function from a first point-in-time, and which is configured to only activate a load dump reaction upon activation conditions from a second point-in-time, the activation conditions include that it is determined that at the second point-in-time, a supply-side voltage potential applied to an exciter winding of the electric machine is between the voltage potential applied at the first DC voltage terminal and a ground potential, if the exciter winding is disconnected from the voltage potential of the vehicle electrical system voltage and/or a current flowing through the exciter winding is below a current threshold value and/or after an initial activation of a load dump reaction, after which further load dump reactions were activated, more than a predefined period of time has elapsed and/or more than a predefined number of load dump reactions were activated.
Receiving antenna and wireless power receiving device including the same
A receiving antenna of a wireless power receiving device wirelessly charging electrical power according to an embodiment of the present invention includes a substrate, a soft magnetic layer stacked on the substrate, including a soft magnetic material, and having gaps at predetermined intervals, and a coil stacked on the soft magnetic layer and receiving electromagnetic energy emitted from a wireless power transmission device.
Multi-phase battery charging with boost bypass
The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system operates a charging circuit for converting an input voltage from a power source into a set of output voltages for charging the battery and powering a low-voltage subsystem and a high-voltage subsystem in the portable electronic device. Upon detecting the input voltage from the power source and a low-voltage state in the battery during operation of the charging circuit, the system uses a first inductor group in the charging circuit to down-convert the input voltage to a target voltage of the battery that is lower than a voltage requirement of the high-voltage subsystem. The system also uses a second inductor group in the charging circuit to up-convert the target voltage to power the high-voltage subsystem.
Battery jump-starting method
The battery jump-starting method includes determining whether a vehicle is available for jump-start, turning off a switch controlling a relay when the vehicle is available for jump-start, and temporarily driving the vehicle in a state in which the switch is maintained in an OFF state when the vehicle is started. The battery jump-starting method enables a vehicle to temporarily drive when starting in a situation in which it is not possible to replace or charge a battery, upon determining whether the vehicle is available for jump-start.
Lighting control device with removable power supply charge state indication and a method therefor
Examples of methods and devices provide a charge level indication of a removable power source of a lighting control device. An example method may include receiving an input indication. A duration of the input is measured. If the measured duration exceeds a predetermined input duration threshold, an indication of a charge level of a removable power supply is obtained. The obtained charge level indication is compared, by a control unit, to a threshold charge level of the power supply. The threshold charge level is indicates an amount of charge remaining in the power supply. In response to a comparison result, an indicator light signal is applied to an indicator light. An example device may include a removable electrical power supply, an input device, an indicator light, and a control unit all of which may cooperate to perform a disclosed method.
Electricity storage system and cartridge
An electricity storage system comprising: a plurality of cartridges connected together in parallel, each cartridge comprising a plurality of cells connected together, and a circuit for preventing cross current, which restricts the current in each cartridge so as to cause the current to flow in one direction selected from a discharge direction and a charge direction, wherein said cartridges connected together in parallel are simultaneously charged with a direct current voltage converted from a commercial voltage, or said cartridges connected together in parallel are caused to discharge simultaneously so that said electricity storage system outputs a commercial voltage.
Battery connection method and apparatus
An improved electrical connector for electrically connecting a rechargeable battery with an electrically powered device as well as methods of operation are provided. The connector may comprise one or more features including: integration of both first terminals for transmitting charging or discharging signals to and from the battery as well as one or more signal terminals for transmitting one or more balancing signals to and from the battery; implementation of communication signals comprising battery specific information to be received by the electrically powered device upon making an electrical connection with the battery; and, one or more safety features for preventing unsupported electrical connections between incompatible connector configurations. An electrically powered device implemented with the improved electrical connector may detect one or more characteristics of a battery upon electrically connecting with the battery and may reconfigure one or more operational settings of the device in response to the such characteristics.
Safety circuit for multi-function portable power charger
A safety circuit is provided for a portable charger having a charger battery operatively connected by a power supply to positive and negative jumper cable jacks capable of jump starting a 12V car battery as well as at least one USB port capable of charging 5V portable electronic devices. The safety circuit includes a jump start relay operatively connecting the power supply to the positive and negative jumper cable jacks; a microprocessor, and a voltage input analyzer operatively connected with the microprocessor to enable or disable the jump start relay.
Portable charging system
A portable charging system includes a piece of baggage that has at least one outer pocket. A charging unit is provided and the charging unit is coupled to the piece of baggage. At least one electronic device is selectively electrically coupled to the charging unit to charge the electronic device.
Battery management converter system
Aspects of a battery management converter system are described. In one embodiment, a battery management converter system includes an arrangement of a plurality of battery converter cells, where each battery converter cell includes one or more battery cells and a switching power converter. The system further includes a battery converter cell controller for each of the plurality of battery converter cells, and a battery management converter controller that receives battery status information from each battery converter cell controller and provides control references to distribute charging or discharging power among the plurality of battery converter cells.
System and method for controlling operation of consumption appliances
A method is disclosed for controlling the operating of a consumption appliance by way of a selector switch controlled by an energy saving device connected to a management center. The consumption appliance is kept in its default power mode, until receiving, by the energy saving device, an authentic secured control message sent by the management center. This message includes a command onto the mode in which the consumption appliance has to be switched. A counter is initialized with an initialization value before to be triggered. The consumption appliance is switched in the mode indicated by the command, either until the counter has reached a threshold value, or until receiving another authentic control message. If the counter has reached the threshold value, then the consumption appliance is switched in its default power mode. If another authentic secured control message has been received, then returning to the step of initializing the counter.
Power conversion apparatus, method for power management, and power conversion system
Remaining power generation capability of power generation apparatuses is estimated to a high degree of accuracy. A power conversion apparatus (1) includes input interfaces (11) that input generated power from each of multiple power generation apparatuses (10) of the same type and a controller (14) that performs MPPT control on a priority basis on at least one input interface among the input interfaces and acquires the remaining power generation capability of the power generation apparatuses (10) connected to the other input interfaces (11) by calculation using the generated current of the power generation apparatus (10) connected to the at least one input interface.
Observer based monitoring and control of submodules in modular multilevel converter
This application relates to control methods and apparatus for a voltage source converter comprising a plurality of energy storage devices which can be selectively connected into an arm of the voltage source converter. The apparatus is configured to generate a modelled value of the voltage of an energy storage device of the voltage source converter based on one or more model parameters and the operation of the voltage source converter, receive the modelled value and also a measured value of the voltage of at least one energy storage device, determine an error between the modelled value and the measured value, and generate a model control signal for adapting the model based on said error so that the modelled value substantially corresponds to the measured value. Control circuitry is responsive to said model module and/or said model adaptation module to control operation of the voltage source converter.
Storage battery management device, storage battery, method of managing storage battery, and storage medium
Provided is a storage battery management device (10) including a price information acquisition unit (11) that acquires power purchasing price information indicating a power purchasing price for each time period of power supplied from an electric power system, a remaining discharge capacity information acquisition unit (12) that acquires remaining discharge capacity information indicating the amount of power that can be discharged to a load from a storage battery, and a discharging schedule generation unit (13) that generates a discharging schedule in which an upper limit of the amount of power discharged from the storage battery is determined for each of a plurality of discharging time periods divided for each unit time, using the power purchasing price information and the remaining discharge capacity information.
Solar and/or wind inverter
A solar and/or wind inverter that uses an ultracapacitor for grid stabilization. The ultracapacitor may be directly tied to, and placed between, a power source and an inverter. The ultracapacitor may supply power to a grid via the inverter during a reduction of power or a loss in power from the grid.
Model predictive control of a modular multilevel converter
A method for controlling a modular converter connected to an electrical grid for active power filtering the electrical grid to compensate for a load connected to the electrical grid, comprises: receiving an actual load current and an actual converter state of the modular converter; determining, from the actual load current and a history of previous load currents, a sequence of future load currents over a prediction horizon; predicting a sequence of future converter states of the modular converter and a sequence of manipulated variables for the modular converter over the prediction horizon by solving an optimization problem based on the actual converter state and the future load currents by minimizing an objective function mapping control objectives to a scalar performance index subject to the dynamical evolution of a prediction model of the modular converter and subject to constraints; and applying a next switching state, which is determined from a first element of the sequence of manipulated variables, to the modular converter.
System and method of controlling current-limiters in ring systems
An exemplary electrical network in form of a ring system includes a plurality of infeed transformers which are arranged in parallel between a sourcing busbar/cable system and a ring load busbar/cable system. A junction point connects each infeed transformer to the ring load busbar/cable system. The network includes a plurality of current limiters, where each current limiter is positioned between two junction points. Upon a fault event of an infeed transformer, two current limiters on both sides of a respective junction point of the faulted infeed transformer are simultaneously tripped in order to reduce current in the ring load busbar/cable system.
Method of operating an electronic circuit with an electronic switch
An electronic circuit includes an electronic switch having a control terminal and a load path and also includes a monitoring circuit comprising a switched-capacitor circuit with at least one capacitive storage element. The switched-capacitor circuit coupled to the load path of the electronic switch. The circuit can be operated by using the monitoring circuit to evaluate a load voltage of the electronic switch and to generate a failure signal dependent on the evaluation and providing a drive signal at the control terminal of the electronic switch dependent on the failure signal.
Ventilation cover for an electrical enclosure
A ventilation cover for an electrical enclosure having an aperture that includes a peripheral edge. The cover includes an inner shell having a plurality of inner slots, wherein each inner slot is separated from another inner slot by an inner wall portion. The cover also includes an outer shell for receiving the inner shell, wherein the outer shell includes a plurality of outer slots and each outer slot is aligned with an associated inner wall portion wherein each inner wall portion is adapted to divert water which enters an outer slot. In addition, the cover includes a lip formed around the peripheral edge for inhibiting the flow of water into the aperture.
Predictive modification of laser diode drive current waveform in order to optimize optical output waveform in high power laser systems
In an example, a laser system receives an externally generated single command. The single command may be selected from a set of commands usable to control a laser diode driver of the laser system. The laser system may determine whether to select a group of one or more commands from the set of commands. In response to a determination to select the group of the one or more commands from the set of commands, the laser diode driver may be controlled using the one or more commands of the group.
The laser system may include a plurality of laser apparatuses, a beam delivery device configured to bundle pulse laser beams emitted from respective laser apparatuses of the plurality of laser apparatuses to emit a bundled pulse laser beam, and a beam parameter measuring device provided in an optical path of the bundled pulse laser beam to measure a beam parameter of each one of the pulse laser beams and a beam parameter of the bundled pulse laser beam.
Commutator, motor, and manufacturing method of commutator
A commutator includes an insulating section that is formed in a tube shape including a shaft insertion hole through which a shaft is inserted, and that is formed with an indented portion in an end portion at one side in an axial direction of the shaft. The commutator also includes plural segments that are supported by an outer peripheral portion of the insulating section, that are arrayed around a circumferential direction of the insulating section with spacings therebetween, and that are each provided with an anchor portion at an end portion at the one side in the axial direction of the shaft. The commutator also includes a first, second, third short-circuit wires, each connecting the anchor portion of respective one segment to the anchor portion of respective another segment, and at least a portion being disposed inside the indented portion formed at the insulating section.
Method for using compression tool with reversible block
A method is provided where a compression tool is used for fastening a cable to a connector comprising an elongated tool frame, an anvil secured to one end of the tool frame, a compression plunger slidable along a portion of the tool frame, a handle set adapted to move the compression plunger toward and away from the anvil and a spacer block for securing the connector a distance from the anvil. The handle set may include a first handle movable from a first position wherein the plunger is a first distance from the anvil to a second position wherein the plunger is a second distance from the anvil. The spacer block may include a first end and a second end having a different depth from the first end and be rotatable so that the first end when rotated to the active position secures the connector a first distance from the anvil and the second end, when rotated to the active position secures the connector a second distance from the anvil.
Power receptacles with internal chambers for releasably holding portable power devices
A power receptacle with a housing having an inwardly extending chamber, the inwardly extending chamber having a depth dimension that is between 0.5 inches and 5 inches, more typically between 1 and 5 inches, sized and configured to releasably receive a portable power supply inside the chamber. The housing includes an internal electrical charging interface. When the portable power supply is in the chamber, the portable power supply electrically engages the electrical charging interface to thereby charge the portable power supply. The receptacles can be in-wall or in-floor units. The housings can be a “custom” housing size and/or may be configured to occupy a single gang box or a compartment of a multi-gang junction box.
Arc suppression connector
A circuit includes a connector having first and second mateable portions. Each portion includes at least two terminals configured to mechanically engage at least two terminals of the other portion. The two terminals within the first and second portions are arranged so that as the first and second portions are mated, a first terminal of the first portion and a first terminal of the second portions come into contact before respective second terminals of the first and second portions. The circuit also includes a polymeric positive temperature coefficient (PPTC) device with a first terminal in electrical communication with the first terminal of the first portion and a second terminal in electrical communication with the second terminal of the first portion. A power terminal is in electrical communication with the second terminal of the first portion and is configured to be connected to a power source. A load terminal is in electrical communication with the first and second terminals of the second portion and is configured to be connected to a load.
The invention relates to a plug device (10) which contains a first plug connector (12) having spring contacts (16), wherein at least one spring contact (16) is provided for the establishing of an electrical connection between a first and a second electrical circuit ground (18a, 18b), and which contains a second plug connector (14) having blade contacts (28), wherein at least one blade contact (28) is provided for the establishing of the connection of the two electrical circuit grounds (18a, 18b). The plug device (10) according to the invention is characterized by an ohmic resistor (34) being provided at least in one partial region (42) at the contact point (30, 40) at which the front end (36, 38) of at least one spring element (24a, 24b, 24c, 26) of a spring contact (16) of the first plug connector (12) is born on a blade contact (28) of the second plug connector (14), the resistor forming a series resistor during the connection of the first electrical circuit ground (18a) to the second electrical circuit ground (18b) between the spring contact (16) and the blade contact (28) in the partial region (42) at the contact point (30, 40).
Variable angle EMI shielding assembly
A conductive EMI shielding assembly for shielding the connection between a multi-wire cable and a corresponding circuit board connector is disclosed, and includes a housing portion for surrounding the circuit board connector and a coupling portion for mating with the housing portion and the cable. The housing portion has a base with a rectangular configuration and a collar portion that mates with a corresponding collar portion of the coupling portion. The coupling portion has an opposing end that slips over the end of the cable and attaches to the cable. The housing collar portion and coupling mating portion include associated tabs and openings arranged around them in a circular pattern at preselected angular intervals. The tabs and openings permit the coupling portion to be oriented with respect to the housing portion in a number of different patterns.
Multistage capacitive crosstalk compensation arrangement
Methods and systems for providing crosstalk compensation in a jack are disclosed. According to one method, the crosstalk compensation is adapted to compensate for undesired crosstalk generated at a capacitive coupling located at a plug inserted within the jack. The method includes positioning a first capacitive coupling a first time delay away from the capacitive coupling of the plug, the first capacitive coupling having a greater magnitude and an opposite polarity as compared to the capacitive coupling of the plug. The method also includes positioning a second capacitive coupling at a second time delay from the first capacitive coupling, the second time delay corresponding to an average time delay that optimizes near end crosstalk. The second capacitive coupling has generally the same overall magnitude but an opposite polarity as compared to the first capacitive coupling, and includes two capacitive elements spaced at different time delays from the first capacitive coupling.
Secondary transformer bushing with integral sealing legs
A secondary bushing with a sleeve for each conductive contact is disclosed. The secondary bushing is secured to a transformer wall by a mounting assembly and comprises a first side and second side. The first side is positioned within the transformer wall and includes a first conductor. The second side is positioned outside of the transformer wall and includes at least one cable connector that is coupled to a power cable. Instead of exposing the conductive contacts of the cable connector and power cable, a sleeve is inserted to insulate and seal each conductive contact.
Cable connecting assembly
A cable connecting assembly includes a barrel member, a tubular member partially received in the barrel member, a securing member, and a seal unit. The tubular member includes a head part and a hollow tail part. The head part defines a receiving space adapted to receive an end portion of the cable therein. The tail part is connected to the head part, is adapted for a neck portion of the cable to extend therethrough, and is curved to extend in a direction transverse to the lengthwise direction. The tail part includes two body halves removably coupled to each other. The securing member has a through hole permitting extension of the tail part. The seal unit is sleeved on the head part and sealingly contacts an inner surface of the barrel member.
A terminal block includes a state display portion which displays whether a conductor portion and a terminal electrode portion are in a connected state or a non-connected state at a third opening portion and a movable display member. The movable display member has a main body portion capable of reciprocating in a direction intersecting a terminal connection surface, a contact portion capable of coming into contact with a conductor portion inserted from a first opening portion into an accommodating portion, a force transmitting portion which moves the main body portion toward the terminal connection surface when the conductor portion is inserted from the first opening portion to the accommodating portion, and rotating mechanism portions which rotate the state display portion so that display of the state display portion can be changed between a connected state and a non-connected state in accordance with the reciprocating movement of the main body portion.
A plug includes at least one spring or blade contact element which is disposed in a housing and is connected in an electrically conducting manner to at least one insulation displacement contact that contacts and secures at least one insulated single-core cable. The at least one insulation displacement contact extends at a 90° angle from the spring or blade contact element in the plug-in direction of the spring or blade contact element in such a way that the at least one insulated single-core cable extending in the plug-in direction is contacted and secured by an insulation displacement contact.
Switchable X band communication panel
A fixed antenna includes multiple printed board panels, each containing an array of radiating elements where a subset of radiating elements receives a delayed signal from a feed layer. The number of panels is minimized by configuring each array to generate a shaped beam. The shaped beam is produced by non-uniformly spaced elements and non-uniform array element phase shifts.
Planar antenna apparatus and method
A planar antenna apparatus is provided. The apparatus includes a first radiation unit configured to transmit a signal, a first feed unit configured to feed a current to the first radiation unit and apply the signal to be transmitted to the first radiation unit, a first Radio Frequency (RF) ground to which a plurality of antenna elements are grounded; and a via that connects the first radiation unit to the first RF ground, wherein all of the first radiation unit, the first feed unit, the first RF ground, and the via are disposed on a first plane, and wherein a capacitance value between the first radiation unit and the first feed unit and an inductance value determined by a length and a width of the radiation unit are set as values that cause a resonant frequency in a specific frequency band to be a preset value.
An antenna apparatus may be provided that includes: a radiating metal; a ground which is connected to the radiating metal; a first impedance which forms a first path by being connected between the radiating metal and the ground, has an impedance value which is changed depending on a frequency, and opens the first path in response to a predetermined frequency, and a second impedance which forms a second path parallel with the first path by being connected between the radiating metal and the ground, has an impedance value which is changed depending on a frequency, and short-circuits the second path in response to the predetermined frequency.
Coaxial waveguide microstructures having conductors formed by plural conductive layers
Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting the center conductor in contact with the center conductor and enclosed within the outer conductor; and a core volume between the center conductor and the outer conductor, wherein the core volume is under vacuum or in a gas state. Also provided are methods of forming coaxial waveguide microstructures by a sequential build process and hermetic packages which include a coaxial waveguide microstructure.
Cooling structure of electricity storage device
A cooling structure of an electricity storage device includes a storage cell case, a plurality of storage cells, a plurality of cooling passages, an intake duct, an exhaust duct, a cooling air suction device, and a flow path resistance. The plurality of storage cells are accommodated in the storage cell case. The plurality of cooling passages are provided between the storage cells. The intake duct is connected to an upstream side of the storage cell case. The exhaust duct is connected to a downstream side of the storage cell case. The cooling air suction device is connected to the exhaust duct and configured to draw cooling air from the intake duct. The flow path resistance is provided between the plurality of cooling passages and the cooling air suction device to limit a flow of the cooling air from the intake duct to the cooling air suction device.
Instrumented fluid-surfaced electrode
An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support.
Power storage system and method for controlling the same
Power storage system includes battery containing an electrolytic solution, and ECU that controls permission and prohibition of charge/discharge of battery based on inside temperature of battery. ECU sets determination temperature equal to or higher than freezing point of the electrolytic solution and determination temperature higher than determination temperature. ECU prohibits charge/discharge of battery when inside temperature falls below determination temperature while the electrolytic solution is in a liquid state, and cancels the prohibition of charge/discharge of battery when the electrolytic solution turns into the liquid state from a state in which the electrolytic solution is at least partially solidified, and when the temperature of battery exceeds determination temperature.
Method for charging a zinc-air battery with limited potential
A method for charging a zinc-air battery, wherein the potential of the negative electrode during the charging is lower than, or equal to, the value of a critical charging potential. Also disclosed is a method for storing and restoring electrical energy, comprising such a charging step, and to a zinc-air battery suitable for implementing said charging method, and a discharging phase.
Inorganic coordination polymers as gelling agents
Use of a compound of formula (I) wherein R1 and R2 are selected independently from each other from C1-C10 alkyl, which may be substituted by one or more F, or wherein R1 and R2 are linked and jointly selected from C2-C3 alkanediyl forming together with the group —OPO—a five- or six-membered heterocycle which may be substituted by one or more substituents selected from F and optionally fluorinated C1-C10 alkyl, as gelling agent in an aprotic organic solvent or solvent mixture.
Solid electrolyte containing oxynitride, and secondary battery including the solid electrolyte
A solid electrolyte includes an oxynitride that contains an alkaline-earth metal, phosphorus, oxygen, and nitrogen. A P2p spectrum obtained by an X-ray photoelectron spectroscopy measurement of the oxynitride contains a peak component originating from a P—N bond.
Method of producing lithium ion conductive sulfides comprising simple substances
A method for preparing a lithium ion conductive sulfide, which is capable of independently controlling the elemental ratio of lithium (Li), phosphorus (P), sulfur (S), etc, is provided. The method for preparing a lithium ion conductive sulfide can provide a lithium ion conductive sulfide having a crystal structure and an anion cluster distribution distinguished from those of existing ones.
Microbial electrochemical cells and methods for producing electricity and bioproducts therein
Bioelectrochemical systems comprising a microbial fuel cell (MFC) or a microbial electrolysis cell (MEC) are provided. Either type of system is capable of fermenting insoluble or soluble biomass, with the MFC capable of using a consolidated bioprocessing (CBP) organism to also hydrolyze an insoluble biomass, and an electricigen to produce electricity. In contrast, the MEC relies on electricity input into the system, a fermentative organism and an electricigen to produce fermentative products such as ethanol and 1,3-propanediol from a polyol biomass (e.g., containing glycerol). Related methods are also provided.
Hydrogen-generating compositions for a fuel cell
Various embodiments disclosed related to hydrogen-generating compositions for a fuel cell. In various embodiments, the present invention provides a hydrogen-generating composition comprising a hydride and a Lewis acid. Various embodiments provide methods of using a hydrogen fuel cell including generating hydrogen gas using the composition, fuel cell systems including the composition, and methods of making the composition.
Process of manufacturing a catalyst-coated membrane-seal assembly
Disclosed is a process for the manufacture of a catalyst-coated membrane-seal assembly, including: (i) providing a carrier material; (ii-i) forming a first layer, the first layer being formed by: (a) depositing a first catalyst component onto the carrier material such that the first catalyst component is deposited in discrete regions; (b) drying the first layer; (ii-ii) forming a second layer, the second layer being formed by: (a) depositing a first seal component, such that the first seal component provides a picture frame pattern having a continuous region and void regions, the continuous region including second seal component and the void regions being free from second seal component; (b) depositing a first ionomer component onto the first layer, such that the first ionomer component is deposited in discrete regions; and (c) drying the second layer.
Titanium or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and manufacturing method therefor
A titanium or titanium alloy material for a separator of a polymer electrolyte fuel cell having high contact conductivity with carbon and high durability, and including an oxide film formed on a titanium or titanium alloy substrate by a stabilization treatment performed after a passivation treatment, and one or more kinds of conductive materials selected from carbide, nitride, carbonitride, and boride of tantalum, titanium, vanadium, zirconium, and chromium, the conductive materials being dispersed in the oxide film and having a major axis diameter of from 1 nm to 100 nm. A contact resistance value with a carbon paper is 20 mΩ·cm2 or less at a surface pressure of 10 kgf/cm2 before and after an accelerated deterioration test in which the titanium or titanium alloy material is immersed in a sulfuric acid aqueous solution having an adjusted pH of 4 at 80° C. for four days.
Lithium-rich manganese-based positive electrode material and preparation method therefor
A lithium-rich manganese-based positive electrode material represented by formula (I). In an X-ray diffraction pattern of the lithium-rich manganese-based positive electrode material, a ratio of a diffraction peak intensity of a Bragg angle near 18.7° to a diffraction peak intensity of a Bragg angle near 44.6° is 1.10 to 1.24. A method for preparing the lithium-rich manganese-based positive electrode material comprises: mixing a lithium-rich manganese-based compound with a lithium remover; and under the effect of the lithium remover, removing part of Li2O from Li2MnO3 in the lithium-rich manganese-based compound, so as to obtain the lithium-rich manganese-based positive electrode material. Due to the reduction of the irreversible product Li2O, the initial coulombic efficiency is improved; because of existence of lithium vacancy and oxygen vacancy, the lithium-rich manganese-based positive electrode material has good rate performance and cycle performance. (x−y)Li2MnO3yMnO2 (1−x)Li(MaM′b)O2 (I)
Electrode for lithium secondary battery and lithium secondary battery comprising the same
An electrode for a lithium secondary battery including a silicon-based alloy having an expansion coefficient of 10% or greater and an electrochemically inactive whisker, and a lithium secondary battery using the electrode for a lithium secondary battery.
Battery module including a weldless busbar having an integrated fusible link
A battery module includes a plurality of battery cells each configured to store an electric charge and a busbar interconnecting the plurality of battery cells. Each battery cell has a first end surface including a positive terminal, a second end surface, and a perimeter surface including a negative terminal. The busbar has a layered structure including a plurality of parallel-extending layers. The layers include a first conductive layer positioned on the first end surface and contacting each of the positive terminals of the plurality of battery cells, a second conductive layer positioned between the first and second end surfaces and contacting each of the negative terminals of the plurality of battery cells, and at least one isolating layer positioned between the first conductive layer and the second conductive layer. The at least one isolating layers holds the battery cells in position in at least a lateral direction.
A connection unit of the present invention includes: a rail member extending in a direction where a plurality of storage elements is aligned; and a plurality of bus bar units each including an engagement portion movable along the rail member in the predetermined direction, and a bus bar fixed to electrode terminals of the storage elements adjacent to each other in the predetermined direction and connected to the engagement portion. The plurality of bus bar units engages with the rail member so as to be aligned in the predetermined direction, and the bus bar units adjacent to each other are provided so as to be movable independently along the predetermined direction. Entire assembly tolerance in the plurality of storage elements aligned in the predetermined direction can be absorbed (permitted) by adjusting distances between the independent bus bar units, thereby making it possible to easily assemble the plurality of bus bars.
The present disclosure provides a secondary battery, which comprises a cap plate, at least two cells and two connecting pieces. The cap plate is provided with two electrode terminals which are opposite in electrical polarity. Each cell has two tabs which are opposite in electrical polarity. Each connecting piece has: an electrode terminal electrical connecting portion for electrically connecting with the corresponding electrode terminal of the cap plate; a plurality of tab electrical connecting portions for electrically connecting with the corresponding tabs of the cells respectively; and a plurality of fusing portions electrically connecting the corresponding tab electrical connecting portion to the electrode terminal electrical connecting portion, a width of each fusing portion is less than a width of the electrode terminal electrical connecting portion. A configuration of the connecting piece is simple, thereby reducing the cumulative heat of the secondary battery and reducing the temperature rise.
Structure for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for manufacturing same structure
An object of the present invention is to provide a structure for a non-aqueous electrolyte secondary battery that can be manufactured without going through a complicated process such as passing through a poor solvent. The structure for a non-aqueous electrolyte secondary battery of the present invention comprises a positive electrode, a separator, and a negative electrode, the structure comprising an intermediate layer formed between the positive electrode and the separator and/or between the negative electrode and the separator and including vinylidene fluoride polymer particles constituting 60 to 100 parts by mass per 100 parts by mass of raw materials that constitute the intermediate layer.
Separator for non-aqueous secondary battery and non-aqueous secondary battery
Provided is a separator for a non-aqueous secondary battery, including: a porous substrate, and a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that is an aggregate of resin particles and an inorganic filler, and that satisfies the following expression (1). In expression (1), Vf is a volume proportion (% by volume) of the inorganic filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the inorganic filler. Also provided is a separator for a non-aqueous secondary battery, including: a porous substrate, a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that includes a resin and an filler, and that satisfies the following expression (2), and an adhesive porous layer that is provided on both sides of a stacked body of the porous substrate and the heat resistant porous layer, and that includes an adhesive resin. In expression (2), Vf is a volume proportion (% by volume) of the filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the filler. 0.65≤Vf/CPVC≤0.99 expression (1) 0.40≤Vf/CPVC≤0.99 expression (2)
Lithium-air battery separators and related compositions
Battery separators for lithium-air batteries are provided. In some embodiments, a lithium-air battery may comprise one or more electrochemical cells including an anode, a cathode, an electrolyte, and a battery separator positioned between the anode and the cathode. The battery separator may comprise a porous membrane having a lithium ion conductive film on at least a portion of the porous membrane. The lithium ion conductive film may comprise layers designed to impart beneficial properties to the porous membrane and/or battery, such as resistance to dendrite formation, while having relatively minimal or no adverse effects on one or more important properties of the porous membrane (e.g., ionic conductivity, electrolyte permeability, weight, mechanical stability) and/or the overall battery. The respective characteristics and number of the layers in the lithium ion conductive film may be selected to impart desirable properties to the battery separator and/or the battery while having relatively minimal or no adverse effects.
Binders for wet and dry lamination of battery cells
Cell stacks are presented that include binders for wet and dry lamination processes. The cell stacks, when laminated, produce battery cells (or portions thereof). The cell stacks include a cathode having a cathode active material disposed on a cathode current collector. The cell stacks also include an anode having an anode active material disposed on an anode current collector. The anode is oriented towards the cathode such that the anode active material faces the cathode active material. A separator is disposed between the cathode active material and the anode active material and comprising a binder comprising a PVdF-HFP copolymer. In certain instances, an electrolyte fluid is in contact with the separator. Methods of laminating the cell stacks are also presented.
Battery used for unmanned aerial vehicle and an unmanned aerial vehicle
The present invention discloses an unmanned aerial vehicle and a battery thereof. The battery includes a battery body and a shell disposed on one end of the battery body. The shell has a clamp button disposed on the side opposite the unmanned aerial vehicle. One end of the clamp button is fixed on the shell and the other is used for detachably connecting with the unmanned aerial vehicle. The clamp button makes the battery detachably connect with the main body of the unmanned aerial vehicle be possible and it is very convenient for changing the battery.
Battery pack for reducing damage from external static electricity
A battery pack includes: a core pack; a protection circuit module electrically connected to the core pack and including a connector for further electrically connecting to an external electronic device; and a metallic cover for covering the core pack and the protection circuit module while exposing the connector to the outside, the metallic cover including a protrusion adjacent to a ground portion of the connector.
Electric storage element and method for manufacturing electric storage element
An electric storage element includes an electrode body including a positive electrode and a negative electrode, the electrode body including a coated region, which includes active materials applied to surfaces of the positive electrode and the negative electrode, and a non-coated region not including the active material on the surface of the positive electrode or the negative electrode, a case including a case body for housing the electrode body and a lid plate that covers an opening of the case body, the case body including a bottom wall having a long side and a short side, the case body further including a side wall standing on the short side of the bottom wall, the lid plate being formed with an electrode terminal, and an insulating member arranged in the case to insulate the electrode body from the case.
Organic electroluminescent element
The present invention provides an organic electroluminescent element containing a flexible substrate having thereon: a first gas barrier layer, an insulating layer, a first electrode, a light emitting unit containing an organic functional layer, and a second electrode, in that order, wherein the first gas barrier layer is a polysilazane reforming layer; the insulating layer is a layer containing a metal oxide; and a metal element in the metal oxide has a lower redox potential than silicon.
Floating evaporative assembly of aligned carbon nanotubes
High density films of semiconducting single-walled carbon nanotubes having a high degree of nanotube alignment are provided. Also provided are methods of making the films and field effect transistors (FETs) that incorporate the films as conducting channel materials. The single-walled carbon nanotubes are deposited from a thin layer of organic solvent containing solubilized single-walled carbon nanotubes that is spread over the surface of an aqueous medium, inducing evaporative self-assembly upon contacting a solid substrate.
The transistor includes a gate electrode, an insulating layer, a semiconductor layer, a source electrode, and a drain electrode on a substrate, in which the gate electrode is formed by using silver β-ketocarboxylate denoted by General Formula (1) described below.
Thin film transistor array panel and method of fabricating the same
A thin film transistor array panel and a method of fabricating the same are described. The thin film transistor array panel has: a substrate; a gate electrode; a semiconductor layer; a source electrode; a drain electrode; an insulating layer; an etch stop layer disposed on the semiconductor layer and the insulating layer; a first electrode portion disposed on the source electrode for covering and protecting the source electrode; a second electrode portion disposed on the drain electrode for covering and protecting the drain electrode. Thus, the fabricating process can be simplified and the fabricating cost is reduced.
Compound and organic light-emitting device including the same
A compound is represented by one selected from Formulae 1 and 2: Wherein the components of Formulae 1 and 2 are each independently defined as set forth in the present disclosure. An organic light-emitting device includes at least one of the compound represented by one selected from Formulae 1 and 2.
Compound and organic light emitting device comprising same
An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer that is between the first electrode and the second electrode and includes an emission layer, wherein the organic layer includes a compound represented by Formula 1: When compounds represented by Formula 1 are used as an electron transport material, excellent I-V-L characteristics may be obtained.
Organic electroluminescent materials and devices
A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
Device with transistors distributed over several superimposed levels integrating a resistive memory
Method for producing a device with transistors distributed over several levels and provided with a resistive memory cell having an electrode formed of a conductor portion belonging to a connection element connected to a transistor of a given level.
Magneto-resistive chip package including shielding structure
In one embodiment, a magneto-resistive chip package includes a circuit board; a shielding body including a shielding base part positioned on the circuit board and a shielding intermediate part extending from one side of the shielding base part; a magneto-resistive chip positioned on the shielding base part and including a magneto-resistive cell array; an internal connection part electrically connecting the magneto-resistive chip to the circuit board; an encapsulation part encapsulating the magneto-resistive chip on the circuit board, and having an upper surface that is higher than an upper surface of the magneto-resistive chip; and a shielding cover positioned on the shielding intermediate part, and on the encapsulation part.
Piezoelectric material, piezoelectric element, and electronic apparatus
The piezoelectric material of the present invention includes a main component composed of a perovskite-type metal oxide represented by Formula (1), Zn, and Mg. The content of Zn is 0.005 mol or more and 0.050 mol or less based on 1 mol of the perovskite-type metal oxide, and the content of Mg is 0.001 mol or more and 0.020 mol or less based on 1 mol of the perovskite-type metal oxide.Formula (1): (NaxBa1-y)(NbyTi1-y)O3 (where x is 0.83 or more and 0.95 or less, y is 0.85 or more and 0.95 or less, and x/y is 0.95 or more and 1.05 or less).
Incorporating arrays of Josephson junctions in a Josephson junction ring modulator in a Josephson parametric converter
A Josephson parametric converter is provided. The Josephson parametric converter includes a multi-Josephson junction ring modulator having arrays of N Josephson junctions arranged in a ring configuration with ring nodes inter-dispersed between the arrays. The multi-Josephson junction ring modulator further has a center node inter-connecting the ring nodes. N is an integer having a value greater than one. The Josephson parametric also includes a first and a second resonator formed from lumped-element capacitors that shunt the multi-Josephson junction ring modulator and respectively enable a first and a second mode of the Josephson parametric converter.
ZZZ coupler for superconducting qubits
Systems and methods are provided for a ZZZ coupler. A first tunable coupler is coupled to the first qubit and tunable via a first control signal. A second tunable coupler is coupled to the first tunable coupler to direct a flux of the first qubit into a tuning loop of the second tunable coupler, such that when a first coupling strength associated with the first tunable coupler is non-zero, a second coupling strength, associated with the second tunable coupler, is a function of a second control signal applied to the second tunable coupler and a state of the first qubit. The second qubit and the third qubit are coupled to one another through the second tunable coupler, such that, when the second coupling strength is non-zero it is energetically favorable for the states of the first and second qubits to assume a specific relationship with respect to the Z-axis.
LED with scattering features in substrate
In one embodiment, the transparent growth substrate of an LED die is formed to have light scattering areas, such as voids formed by a laser. In another embodiment, the growth substrate is removed and replaced by another substrate that is formed with light scattering areas. In one embodiment, the light scattering areas are formed over the light absorbing areas of the LED die, to reduce the amount of incident light on those absorbing areas, and over the sides of the substrate to reduce light guiding. The replacement substrate may be formed to include reflective particles in selected areas. A 3D structure may be formed by stacking substrate layers containing the reflective areas. The substrate may be a transparent substrate or a phosphor tile that is affixed to the top of the LED.
Light emitting diode structure with dielectric reflective layer
A light emitting diode (LED) structure including a stacked semiconductor layer, a contact layer and a dielectric reflective layer is provided. The stacked semiconductor layer includes a first type doped layer, a second type doped layer and an active layer disposed between the first type doped layer and the second type doped layer, wherein the first type doped layer, the active layer and the second type doped layer are penetrated by a plurality of recesses. The contact layer is disposed on the second type doped layer. The dielectric reflective layer is disposed on the contact layer and extended into the recesses to connect the contact layer and the first type doped layer with a coverage rate equal to or less than 60% from a top view of the LED structure.
Transparent light emitting diode film
A display device is provided. A transparent light emitting diode film includes: a base; an electrode layer located on the base and in which at least one pattern is formed; a pad formed in at least one portion on the electrode layer; a light emitting diode located on the pad; and an adhesive layer formed in at least another portion on the electrode layer, wherein in the adhesive layer, an opening portion is formed in a portion corresponding to the light emitting diode. Therefore, when forming the transparent light emitting diode film by including a material having strong heat resistance, a state change by a temperature may not occur.
A micro-LED, μLED, comprising: a substantially parabolic mesa structure; a light emitting source within the mesa structure; and a primary emission surface on a side of the device opposed to a top of the mesa structure; wherein the mesa structure has an aspect ratio, defined by (H2*H2)/Ac, of less than 0.5, and the μLED further comprises a reflective surface located in a region from the light emitting source to the primary emission surface, wherein the reflective surface has a roughness, Ra, less than 500 nm.
Printable inorganic semiconductor method
A method of making an inorganic semiconductor structure suitable for micro-transfer printing includes providing a growth substrate and forming one or more semiconductor layers on the growth substrate. A patterned release layer is formed on the conductor layer(s) and bonded to a handle substrate. The growth substrate is removed and the semiconductor layer(s) patterned to form a semiconductor mesa. A dielectric layer is formed and then patterned to expose first and second contacts and an entry portion of the release layer. A conductor layer is formed on the dielectric layer, the first contact, and the second contact and patterned to form a first conductor in electrical contact with the first contact and a second conductor in electrical contact with the second contact but electrically separate from the first conductor. At least a portion of the release layer is removed.
Method for producing semiconductor components and semiconductor component
A method for producing a plurality of semiconductor components (1) is provided, comprising the following steps: a) providing a semiconductor layer sequence (2) having a first semiconductor layer (21), a second semiconductor layer (22) and an active region (25), said active region being arranged between the first semiconductor layer and the second semiconductor layer for generating and/or receiving radiation; b) forming a first connection layer (31) on the side of the second connection layer facing away from the first semiconductor layer; c) forming a plurality of cut-outs (29) through the semiconductor layer sequence; d) forming a conducting layer (4) in the cut-outs for establishing an electrically conductive connection between the first semiconductor layer and the first connection layer; and e) separating into the plurality of semiconductor components, wherein a semiconductor body (20) having at least one of the plurality of cut-outs arises from the semiconductor layer sequence for each semiconductor component and the at least one cut-out is completely surrounded by the semiconductor body in a top view of the semiconductor body. Furthermore, a semiconductor component is provided.
Systems, method and apparatus for curing conductive paste
One embodiment can provide a system for curing conductive paste applied on photovoltaic structures. The system can include a wafer carrier for carrying a plurality of photovoltaic structures and a heater. The wafer carrier can include a surface element that is in direct contact with the photovoltaic structures and is substantially thermally insulating. The heater can be positioned above the wafer carrier. The heater can include a heated radiation surface that does not directly contact the photovoltaic structures.
Solar cell module and solar cell module production method
This solar module has: a base member that is curved in the vertical direction and the horizontal direction; strings each constituted from a plurality of solar cells and first wiring members connecting adjacent solar cells in the vertical direction, wherein a plurality of the strings are arranged side by side on the base member; and a string group constituted from a plurality of the strings and second wiring members, which are disposed at both sides in the vertical direction of the strings and connected to the first wiring members, thereby connecting adjacent strings to one another in the horizontal direction. The string group is divided into at least two blocks that are side by side in the vertical direction. Second wiring members are disposed adjacent in the horizontal direction, or second wiring members are disposed adjacent in the vertical direction between the blocks, and are secured to one another.
Solar cell module
A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.
Semiconductor package, sensor module, and production method
The present disclosure relates to a semiconductor package, a sensor module, and a production method for dissipating heat generated by a chip. In a solid-state image sensing element package, an image sensing element chip is bonded and fixed to a heat dissipation plate with a die bond material, the heat dissipation plate having positioning holes and mounting holes for accurately mounting on a lens barrel unit. A circuit board is bonded to a bottom surface of the heat dissipation plate with circuit board adhesive resin. Bonding pads that are electrodes of the image sensing element chip are electrically connected to lead terminals that are electrodes of the circuit board by conduction wires through conduction wire connection clearance holes formed through the heat dissipation plate. The present disclosure is applicable to a CMOS solid-state image sensing apparatus used for an image sensing apparatus such as a camera, for example.
Method for producing optical component, optical component, and optical device
A method for producing an optical component includes presenting a laminate and separating a second layer from a substrate. In presenting the laminate, the laminate includes the substrate, a first layer disposed on the substrate, the second layer disposed on the first layer, and a third layer disposed on the second layer. The first layer includes a portion that does not overlap with the second layer and the third layer. In separating the second layer from the substrate, the second layer is separated from the substrate by dissolving the first layer from the substrate with a liquid. The first layer and the third layer each contain a compound.
Conductive paste and electronic device and solar cell
A conductive paste may include a conductive powder, metallic glass, a metal precursor including an element forming a solid solution with the metallic glass, and an organic vehicle, and an electronic device and a solar cell may include an electrode formed using the conductive paste.
Solar cell and method of fabricating the same
A solar cell is provided. The solar cell includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type disposed on the first semiconductor layer, an anti-reflection layer on the second semiconductor layer, and a negative charge layer between the anti-reflection layer and the second semiconductor layer.
Nonvolatile semiconductor storage device and method for manufacturing the same
According to an aspect of the present invention, there is provided a nonvolatile semiconductor storage device including: a semiconductor substrate; a source region and a drain region that are formed in the semiconductor substrate so as to be separated from each other and so as to define a channel region therebetween; a tunnel insulating film that is formed on the channel region; an insulative charge storage film that is formed on the tunnel insulating film; a conductive charge storage film that is formed on the insulative charge storage film so as to be shorter than the insulative charge storage film in a channel direction; an interlayer insulating film that is formed on the conductive charge storage film; and a gate electrode that is formed on the interlayer insulating film.
Semiconductor device and manufacturing method thereof
An object is to reduce leakage current and parasitic capacitance of a transistor used for an LSI, a CPU, or a memory. A semiconductor integrated circuit such as an LSI, a CPU, or a memory is manufactured using a thin film transistor in which a channel formation region is formed using an oxide semiconductor which becomes an intrinsic or substantially intrinsic semiconductor by removing impurities which serve as electron donors (donors) from the oxide semiconductor and has larger energy gap than that of a silicon semiconductor. With use of a thin film transistor using a highly purified oxide semiconductor layer with sufficiently reduced hydrogen concentration, a semiconductor device with low power consumption due to leakage current can be realized.
Ultra high voltage device
According to an embodiment, a semiconductor device is provided. The device includes a second region having a greater curvature than a first region. The device includes an epitaxy layer of a first conductivity type, a well of a second conductivity type in the epitaxy layer, a drain in the epitaxy layer, a source in the well, and a bulk in the well and in contact with the source, the bulk having a greater area in the second region than in the first region.
A control electrode GE1 is formed in a lower portion of a trench TR1 formed in a semiconductor substrate SUB, and a gate electrode GE2 is formed in an upper portion inside the trench TR1. An insulating film G1 is formed between the control electrode GE1 and a side wall and a bottom surface of the trench TR1, an insulating film G2 is formed between the side wall of the trench TR1 and the gate electrode GE2, and an insulating film G3 is formed between the control electrode GE1 and the gate electrode GE2. A region adjacent to the trench TR1 includes an n+-type semiconductor region NR for a source, a p-type semiconductor region PR for a channel formation, and a semiconductor region for a drain. A wiring connected to the control electrode GE1 is not connected to a wiring connected to the gate electrode GE2, and is not connected to a wiring connected to the n+-type semiconductor region NR for a source.
Trench MOSFET shield poly contact
A recess is formed at a semiconductor layer of a device to define a plurality of mesas. An active trench portion of the recess residing between adjacent mesas. A termination portion of the trench residing between the end of each mesa and a perimeter of the recess. The transverse spacing between the mesas and the lateral spacing between the mesas and an outer perimeter of a recess forming the mesas are substantially the same. A shield structure within the trench extends from the region between the mesas to the region between the ends of the mesas and the outer perimeter of the recess forming the mesas. A contact resides between a shield electrode terminal and the shield portion residing in the trench.
MOS device with island region
A semiconductor device formed on a semiconductor substrate, comprising: an epitaxial layer overlaying the semiconductor substrate; a drain formed on back of the semiconductor substrate; a drain region that extends into the epitaxial layer; an active region; and an island region under the contact trench and disconnected from the body, the island region having an opposite polarity as the epitaxial layer. The active region comprises: a body disposed in the epitaxial layer; a source embedded in the body; a gate trench extending into the epitaxial layer; a gate disposed in the gate trench; an active region contact trench extending through the source and the body; and an active region contact electrode disposed within the active region contact trench.
Methods of forming short channel and long channel finFET devices so as to adjust threshold voltages
One illustrative method disclosed herein includes, among other things, forming first and second fins for a short channel FinFET device (“SCD”) and a long channel FinFET device (“LCD”), performing an oxidation process to form a sacrificial oxide material selectively on the channel portion of one of the first and second fins but not on the channel portion of the other of the first and second fins, removing the sacrificial oxide material from the fin on which it is formed so as to produce a reduced-size channel portion on that fin that is less than the initial size of the channel portion of the other non-oxidized fin, and forming first and second gate structures for the SCD and LCD devices.
Low resistivity wrap-around contacts
Low resistivity, wrap-around contact structures are provided in nanosheet devices, vertical FETs, and FinFETs. Such contact structures are obtained by delivering dopants to source/drain regions using a highly conformal, doped metal layer. The conformal, doped metal layer may be formed by ALD or CVD using a titanium tetraiodide precursor. Dopants within the conformal, doped metal layer are delivered during the formation of wrap-around metal silicide or metal germano-silicide regions. Dopant segregation at silicide/silicon interfaces or germano-silicide/silicon interfaces reduces contact resistance in the wrap-around contact structures. A contact metal layer electrically communicates with the wrap-around contact structures.
Semiconductor structure and manufacturing method thereof
A semiconductor structure and a manufacturing method thereof are provided. The semiconductor structure includes an isolation layer, a gate dielectric layer, a tantalum nitride layer, a tantalum oxynitride layer, an n type work function metal layer and a filling metal. The isolation layer is formed on a substrate, and the isolation layer has a first gate trench. The gate dielectric layer is formed in the first gate trench, the tantalum nitride layer is formed on the gate dielectric layer, and the tantalum oxynitride layer is formed on the tantalum nitride layer. The n type work function metal layer is formed on the tantalum oxynitride layer in the first gate trench, and the filling metal is formed on the n type work function metal layer in the first gate trench.
Field plate trench FET and a semiconductor component
A field plate trench FET includes a substrate, a gate buried at least partly within the substrate, and a field plate disposed below the gate, both the gate and the field plate being disposed within a trench in the substrate and being surrounded by an insulator. A p-doped domain is disposed within the substrate below the trench. Also described is a semiconductor component having a substrate and a plurality of field plate trench FETs disposed within the substrate.
Transistor, thin-film transistor substrate, and liquid crystal display
The present technique relates to a transistor that uses an oxide semiconductor as its channel layer and that is capable of suppressing fluctuations in threshold voltage, and to a thin-film transistor substrate and a liquid crystal display that include such a transistor. The transistor is configured such that an overlap length, which is a length of overlap in plan view between the source electrode and the channel protective film in a direction from the source electrode toward the drain electrode, is longer than an overlap length, which is a length of overlap in plan view between the drain electrode and the channel protective film in a direction from the drain electrode toward the source electrode.
Method of fabricating a semiconductor wafer that includes producing a planarised surface having both a mesa surface and an insulating layer surface
In an embodiment, a method of planarizing a surface includes applying a first layer to a surface including a protruding region such that the first layer covers the surface and the protruding region, removing a portion of the first layer above the protruding region and forming an indentation in the first layer above the protruding region, the protruding region remaining covered by material of the first layer, and progressively removing an outermost surface of the first layer to produce a planarised surface.
Saucer-shaped isolation structures for semiconductor devices
An isolation structure formed in a semiconductor substrate of a first conductivity type includes a region of a second conductivity type opposite to the first conductivity type. The region of the second conductivity type is saucer-shaped and has a floor portion substantially parallel to the top surface of the substrate and a sloped sidewall portion. The sloped sidewall portion extends downward from the top surface of the substrate at an oblique angle and merges with the floor portion. The floor portion and the sloped sidewall portion together form an isolated pocket of the substrate.
Signal isolator integrated circuit package
A signal isolator integrated circuit package includes a first die in a first voltage domain and a second die in a second voltage domain. The integrated circuit package also includes a first signal path from the first die to the second die via a first isolation barrier supported by the first die. The first isolation barrier includes a first conductive layer disposed over a surface of the first die and a first insulating layer disposed over the first conductive layer. The first isolation barrier also includes a second insulating layer disposed over the first insulating layer and a second conductive layer disposed over the second insulating layer. A first floating conductive plate is disposed between the first insulating layer and the second insulating layer.
A display device includes, on a substrate, light emitting elements each formed by sequentially stacking a first electrode layer, an organic layer including a light emission layer, and a second electrode layer and arranged in first and second directions which cross each other, a drive circuit including drive elements that drive light emitting elements, and a wiring extending in the first direction, and an insulating layer disposed in a gap region sandwiched by the light emitting elements neighboring in the second direction and having a recess or a projection. The wiring is disposed in an overlap region overlapping with the recess or the projection in the insulating layer in a thickness direction, in the gap region, and the second electrode layers in the light emitting elements neighboring in the second direction are separated from each other by the recess or the projection in the insulating layer.
AMOLED display device
The present invention provides an AMOLED display device, which includes a cathode connection layer formed on a backing plate and provides connection between the cathode and the cathode connection layer through a via formed in and through structural layers thereof so that in a normal displaying operation of the AMOLED display device, an electrical current signal is conducted through the cathode connection layer to a cathode, achieving transmission of the electrical current signal through an interior of each pixel to the cathode, and making a conduction path of the electrical current signal shortened as compared to a conventional AMOLED display device and reducing electrical resistance of the conduction path of the electrical current signal, thereby lowering IR drop of a display circuit and helping improve displaying performance and power loss of the AMOLED display device. Further, since the cathode connection layer is disposed on the backing plate and the connection between the cathode and the cathode connection layer requires only one via, no much space of pixel arrangement will be occupied and thus no significant influence will be imposed on the entire pixel arrangement of the AMOLED display device.
A display device includes a driving transistor and an organic EL element. The driving transistor includes an oxide semiconductor layer; a first gate electrode that includes a region overlapping the oxide semiconductor layer; a first insulating layer between the first gate electrode and the oxide semiconductor layer; a second gate electrode that includes a region overlapping the oxide semiconductor layer and the first gate electrode; a second insulating layer between the second gate electrode and the oxide semiconductor layer; and a first and a second transparent conductive layer that are provided between the oxide semiconductor layer and the first insulating layer and each include a region contacting the oxide semiconductor layer. The organic EL element includes a first electrode; a second electrode; a light emitting layer between the first electrode and the second electrode; and an electron transfer layer between the light emitting layer and the first electrode.
Thin film transistor array for organic light-emitting display
A thin-film transistor array substrate includes a substrate; a first active layer of a first transistor, which is on the substrate and includes a source region, a channel region, and a drain region; a conductive layer, which is on the first active layer and is electrically connected to the source region or the drain region via a contact hole; a first insulating layer and a second insulating layer, which are between the first active layer and the conductive layer, where the contact hole is defined through the first and second insulating layers; and a first supporting layer, which is between the first insulating layer and the second insulating layer and surrounds at least a portion of the contact hole.
Transparent display device and method of manufacturing a transparent display device
In a method of manufacturing a transparent display device, a substrate including a pixel region and a transmission region may be provided. A first electrode may be formed on the substrate in the pixel region, and a display layer may be formed on the first electrode. A second electrode facing the first electrode may be formed on the display layer, and a capping structure including a first capping layer and a second capping layer may be formed on the second electrode. The first capping layer may be formed on the second electrode in the pixel region and a first region of the transmission region by using a mask that has an opening, the mask may be shifted, and the second capping layer may be formed on the second electrode in the pixel region and a second region of the transmission region by using the shifted mask.
Foldable, flexible display apparatus and method of manufacturing the same
A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.
Display device and head mounted display device
A display device includes a low-definition display section and a high-definition display section. An area of pixels of the high-definition display section is smaller than an area of pixels of the low-definition display section. The position of the center of the high-definition display section is shifted from the position of the center of the display region. Consequently, when the display device is worn on the head of a user and disposed in front of the eyes, it is possible to provide a high-definition image. It is possible to reduce a processing load of moving image processing.
Imaging device, manufacturing device, and manufacturing method
The present technology relates to an imaging device, a manufacturing device, and a manufacturing method capable of preventing a substance such as hydrogen from entering and preventing change in performance. The imaging device includes an organic photoelectric conversion film, an upper electrode provided in an upper portion of the organic photoelectric conversion film, a lower electrode provided in a lower portion of the organic photoelectric conversion film, and a metal thin film provided between the organic photoelectric conversion film and the upper electrode or between the organic photoelectric conversion film and the lower electrode. The metal thin film is provided between the organic photoelectric conversion film and the upper electrode. The upper electrode is formed of an oxide semiconductor, a metal oxide, and the metal thin film. The present technology can be applied to a vertical spectral imaging device.
Resistive memory and method for manufacturing the same
A semiconductor structure includes a memory unit structure. The memory unit structure includes a transistor, a first electrode, two second electrode, and two resistive random access memory (RRAM) elements. The first electrode and the two second electrodes are disposed in a horizontal plane. The first electrode is disposed between the two second electrodes. The first electrode and the two second electrodes are disposed in parallel. The first electrode is coupled to a source region of the transistor. One of the two RRAM elements is disposed between the first electrode and one of the two second electrodes. The other one of the two RRAM elements is disposed between the first electrode and the other one of the two second electrodes.
In a display panel, a first substrate has an active area and a peripheral area outside the active area. A plurality of first traces are located at the peripheral area. A first insulation layer is disposed on the first traces, and has an opening region located at the peripheral area and having a longest edge. The switch element is adjacent to the opening region, and has an active layer. The active layer has a first width in a direction perpendicular to the longest edge of the opening region, and a shortest distance between a projection of the longest edge of the opening region on the first substrate and a projection of the active layer on the first substrate in the direction perpendicular to the longest edge of the opening region is greater than zero and less than the first width.
Magnetoresistive effect device with first and second magnetoresistive effect elements having opposite current flows relative to the ordering of the layers of the elements
A magnetoresistive effect device includes a first magnetoresistive effect element, a second magnetoresistive effect element, a first port, a second port, a signal line, and a direct-current input terminal. The first port, the first magnetoresistive effect element, and the second port are connected in series to each other in this order via the signal line. The second magnetoresistive effect element is connected to the signal line in parallel with the second port. The first magnetoresistive effect element and the second magnetoresistive effect element are formed so that the relationship between the direction of direct current that is input from the direct-current input terminal and that flows through the first magnetoresistive effect element and the order of arrangement of a magnetization fixed layer, a spacer layer, and a magnetization free layer in the first magnetoresistive effect element is opposite to the above relationship in the second magnetoresistive effect element.
Image pickup device with pixels having non-intersecting substrate trenches therebetween
Systems and methods for providing a solid state image sensor (30) are provided. More particularly, an image sensor (30) that suppresses color mixing is provided. Moreover, embodiments of the present disclosure provide for the creation of light blocking features (32) that avoid the creation of stress concentrations. More particularly, embodiments of the present disclosure provide for the creation of light blocking structures (32) using trenches formed in a substrate (44) that are arranged such that no two trenches intersect one another.
Light shield for light sensitive elements
A light shield for shielding a light sensitive element in an image sensor comprising a primary plate located such as to shield the light sensitive element from incident light, the primary plate comprising at least one aperture and the or each aperture being associated with a light blocking structure, wherein the light blocking structure comprises a secondary plate and a wall; the wall is arranged between the primary plate and the secondary plate, and is configured to act as a light barrier to light passing between the primary plate and the secondary plate.
Solid-state imaging device and electronic apparatus
A solid-state imaging device includes a plurality of photoelectric conversion units, a floating diffusion unit that is shared by the plurality of photoelectric conversion units and converts electric charge generated in each of the plurality of photoelectric conversion units into a voltage signal, a plurality of transfer units that are respectively provided in the plurality of photoelectric conversion units and transfer the electric charge generated in the plurality of photoelectric conversion units to the floating diffusion unit, a first transistor group that is electrically connected to the floating diffusion unit and includes a gate and source/drain which are arranged with a first layout configuration, and a second transistor group that is electrically connected to the floating diffusion unit, includes a gate and source/drain arranged with a second layout configuration symmetrical to the first layout configuration, and is provided in a separate area from the first transistor group.
Thin film transistor substrate and method for manufacturing the same
A thin film transistor substrate includes a substrate; a first thin film transistor on the substrate and including a polycrystalline semiconductor layer, a first gate electrode on the polycrystalline semiconductor layer, a first source electrode, and a first drain electrode; a second thin film transistor on the substrate and including a second gate electrode, an oxide semiconductor layer on the second gate electrode, a second source electrode, and a second drain electrode; an intermediate insulating layer on the first gate electrode and the second gate electrode and under the oxide semiconductor layer; and a dummy layer between the first source electrode and the intermediate insulating layer and between the first drain electrode and the intermediate insulating layer, wherein the dummy layer is formed of a same material as the oxide semiconductor layer.
Display device capable of reducing damage from static electricity
A display device includes: a first substrate; a second substrate facing the first substrate; a first electrode disposed on a first surface of the first substrate, the first surface facing the second substrate; a second electrode and a third electrode disposed along an edge of a second surface of the second substrate, the second surface facing the first surface of the first substrate; and a short electrode disposed between the first electrode and the second electrode and between the first electrode and the third electrode, the short electrode electrically connecting the first electrode, the second electrode, and the third electrode, wherein the second electrode and the third electrode are physically separated.
Flexible display apparatus and method of manufacturing the same
The present disclosure provides, for realization of a flexible display apparatus capable of implementing a slim bezel and a method of manufacturing the same, a flexible display apparatus including: a flexible substrate including a first area having a first hole, a second area having a second hole and arranged corresponding to the first area, and a third area between the first area and the second area; a first wiring covering the first hole and arranged in the first area; and a second wiring covering the second hole, arranged in the second area, and electrically connected to the first wiring via the first hole and the second hole.
Device, manufacturing method thereof, and electronic device
A wiring having excellent electrical characteristics is provided. A wiring having stable electrical characteristics is provided. A device is manufactured through the steps of forming a first insulating film over a substrate, forming a second insulating film over the first insulating film, removing part of the first insulating film and part of the second insulating film to form a first opening, forming a first conductor in the first opening and over a top surface of the second insulating film, and forming a second conductor by planarizing a surface of the first conductor so as to remove part of the first conductor.
Input/output (I/O) devices with greater source/drain proximity than non-I/O devices
A semiconductor device includes a first FinFET device and a second FinFET device. The first FinFET device includes a first gate, a first source, and a first drain. The first FinFET device has a first source/drain proximity. The second FinFET device includes a second gate, a second source, and a second drain. The second FinFET device has a second source/drain proximity that is smaller than the first source/drain proximity. In some embodiments, \the first FinFET device is an Input/Output (I/O) device, and the second FinFET device is a non-I/O device such as a core device. In some embodiments, the greater source/drain proximity of the first FinFET device is due to an extra spacer of the first FinFET device that does not exist for the second FinFET device.
Semiconductor memory device
A semiconductor memory device includes a first memory cell array layer includes a first memory cell array region, in which memory cells are 3-dimensionally arrayed, and a first and second surface wiring layer connected to the memory cells. A second memory cell array layer includes second memory cell array region, in which memory cells are 3-dimensionally arrayed, and a third and fourth surface wiring layer connected to the second plurality of memory cells. The first memory cell array layer and the second memory cell array layer are bonded to each other such that the second surface wiring layer and the third surface wiring layer face each other and are bonded to each other. The first and second memory cell array regions overlap each other as viewed from a direction orthogonal to a layer plane.
Three-dimensional memory device with enhanced mechanical stability semiconductor pedestal and method of making thereof
After formation of an alternating stack of insulating layers and sacrificial material layers, a memory opening can be formed through the alternating stack, which is subsequently filled with a columnar semiconductor pedestal portion and a memory stack structure. Breakage of the columnar semiconductor pedestal portion under mechanical stress can be avoided by growing a laterally protruding semiconductor portion by selective deposition of a semiconductor material after removal of the sacrificial material layers to form backside recesses. At least an outer portion of the laterally protruding semiconductor portion can be oxidized to form a tubular semiconductor oxide spacer. Electrically conductive layers can be formed in the backside recesses to provide word lines for a three-dimensional memory device.
Semiconductor memory device including slimming structure
Disclosed is a semiconductor memory device, including: a slimming structure extended from a cell structure in a direction parallel to the semiconductor substrate, the cell structure having a plurality of cell transistors stacked over a semiconductor substrate; vertical insulating materials extended in a direction crossing the semiconductor substrate and configured to divide the cell structure and the slimming structure into a plurality of memory blocks; contact plugs passing through the vertical insulating materials, respectively, within an area in which the slimming structure is formed; and junctions formed within the semiconductor substrate under the vertical insulating materials, in which the junctions are coupled to the contact plugs, respectively.
Method of manufacturing fins and semiconductor device which includes fins
A method, of manufacturing fins for a semiconductor device which includes Fin-FETs, includes: forming a structure including a semiconductor substrate and capped semiconductor fins, the capped semiconductor fins being organized into at least first and second sets, with each member of the first set having a first cap with a first etch sensitivity, and each member of the second set having a second cap with a second etch, the second etch sensitivity being different than the first etch sensitivity; removing selected members of the first set and selected members of the second set from the structure.
Asymmetric semiconductor memory device having electrically floating body transistor
Asymmetric, semiconductor memory cells, arrays, devices and methods are described. Among these, an asymmetric, bi-stable semiconductor memory cell is described that includes: a floating body region configured to be charged to a level indicative of a state of the memory cell; a first region in electrical contact with the floating body region; a second region in electrical contact with the floating body region and spaced apart from the first region; and a gate positioned between the first and second regions, such that the first region is on a first side of the memory cell relative to the gate and the second region is on a second side of the memory cell relative to the gate; wherein performance characteristics of the first side are different from performance characteristics of the second side.
Vertical FET with reduced parasitic capacitance
A method for reducing parasitic capacitance of a semiconductor structure is provided. The method includes forming a fin structure over a substrate, forming a first source/drain region between the fin structure and the substrate, forming first spacers adjacent the fin structure, forming second spacers adjacent the first source/drain region and recessing the first source/drain region in exposed areas. The method further includes forming a shallow trench isolation (STI) region within the exposed areas of the recessed first source/drain region, depositing a bottom spacer over the STI region, forming a metal gate stack over the bottom spacer, depositing a top spacer over the metal gate stack, cutting the metal gate stack, forming a second source/drain region over the fin structure, and forming contacts such the STI region extends a length between the metal gate stack and the first source/drain region.
Light emitting device
A light emitting device includes a package having a recess which includes a bottom surface. A first bottom surface of a first light emitting element is put on a first part of the bottom surface. A second bottom surface of a second light emitting element is put on the first part of the bottom surface. A first side surface of the first light emitting element is opposite to a second side surface of the second light emitting element with a gap. At least a part of the first side surface does not overlap with the second side surface viewed in a direction perpendicular to the first side surface. A protection element is provided at a second part of the bottom surface. A light reflective material covers the protection element.
LED module and method for fabricating the same
Disclosed is a method for fabricating an LED module. The method includes: constructing a chip-on-carrier including a chip retainer having a horizontal bonding plane and a plurality of LED chips in which electrode pads are bonded to the bonding plane of the chip retainer; and transferring the plurality of LED chips in a predetermined arrangement from the chip retainer to a substrate by transfer printing. The transfer printing includes: primarily section-wise exposing a transfer tape to reduce the adhesive strength of the transfer tape such that bonding areas are formed at predetermined intervals on the transfer tape; and pressurizing the transfer tape against the LED chips on the chip retainer to attach the LED chips to the corresponding bonding areas of the transfer tape and detaching the electrode pads of the LED chips from the chip retainer to pick up the chips.
Semiconductor die assemblies having molded underfill structures and related technology
A semiconductor die assembly in accordance with an embodiment of the present technology includes first and second semiconductor dies and a package substrate carrying the first and second semiconductor dies. The second semiconductor die includes a first peripheral portion extending laterally outward beyond a first edge surface of the first semiconductor die. Similarly, the package substrate includes a second peripheral portion extending laterally outward beyond a second edge surface of the second semiconductor die. The semiconductor die assembly further includes a first volume of molded underfill material between the first and second semiconductor dies, a second volume of molded underfill material between the package substrate and the second semiconductor die, a first molded peripheral structure laterally adjacent to the first edge surface of the first semiconductor die, and a second molded peripheral structure laterally adjacent to the second edge surface of the second semiconductor die.
Semiconductor package with high routing density patch
Methods and systems for a semiconductor package with high routing density routing patch are disclosed and may include a semiconductor die bonded to a substrate and a high routing density patch bonded to the substrate and to the semiconductor die, wherein the high routing density patch comprises a denser trace line density than the substrate. The high routing density patch can be a silicon-less-integrated module (SLIM) patch, comprising a BEOL portion, and can be TSV-less. Metal contacts may be formed on a second surface of the substrate. A second semiconductor die may be bonded to the substrate and to the high routing density patch. The high routing density patch may provide electrical interconnection between the semiconductor die. The substrate may be bonded to a silicon interposer. The high routing density patch may have a thickness of 10 microns or less. The substrate may have a thickness of 10 microns or less.
System-in-package and fabrication method thereof
A system-in-package (SiP) includes a RDL structure having a first side and a second side opposite to the first side; a first semiconductor die mounted on the first side of the RDL structure, wherein the first semiconductor die has an active surface that is in direct contact with the RDL structure; a plurality of conductive fingers on the first side of the RDL structure around the first semiconductor die; a second semiconductor die stacked directly on the first semiconductor die, wherein the second semiconductor die is electrically connected to the plurality of conductive fingers through a plurality of bond wires; and a mold cap encapsulating the first semiconductor die, the conductive fingers, the second semiconductor die, and the first side of the RDL structure.
Adhesive bonding composition and electronic components prepared from the same
A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.
Method of fabricating redistribution circuit structure
A redistribution circuit structure electrically connected to at least one conductor underneath is provided. The redistribution circuit structure includes a dielectric layer, an alignment, and a redistribution conductive layer. The dielectric layer covers the conductor and includes at least one contact opening for exposing the conductor. The alignment mark is disposed on the dielectric layer. The alignment mark includes a base portion on the dielectric layer and a protruding portion on the base portion, wherein a ratio of a maximum thickness of the protruding portion to a thickness of the base portion is smaller than 25%. The redistribution conductive layer is disposed on the dielectric layer. The redistribution conductive layer includes a conductive via, and the conductive via is electrically connected to the conductor through the contact opening. A method of fabricating the redistribution circuit structure and an integrated fan-out package are also provided.
Semiconductor package device and method of manufacturing the same
A semiconductor package device includes a substrate, a first package body, a permeable element and a coil. The substrate includes a first surface. The first package body encapsulates the first surface of the substrate. The permeable element includes a first portion disposed on the first surface of the substrate and a second portion disposed on the package body. The coil is within the first package body.
Semiconductor package with integrated output inductor using conductive clips
A semiconductor package includes a semiconductor die having a control transistor and a sync transistor, an integrated output inductor having a winding around a core, and coupled to the semiconductor die, where the winding includes a plurality of top conductive clips connected to a plurality of bottom conductive clips. The control transistor and the sync transistor are configured as a half-bridge. The integrated output inductor is coupled to a switched node of the half-bridge. At least one of the plurality of top conductive clips and the plurality of bottom conductive clips includes a partially etched portion and a non-etched portion. The semiconductor die is attached to the integrated output inductor by a die attach material. The semiconductor die and the integrated output inductor are encapsulated in a molding compound.
Optoelectronic component device and method for producing an optoelectronic component device
An optoelectronic component device includes first and second electrodes; a first optoelectronic component electrically coupled to the first and second electrodes; and a first electrically conductive section electrically coupled to the first electrode, and a second electrically conductive section electrically coupled to the second electrode; wherein the first and second electrically conductive sections are arranged electrically in parallel with the first optoelectronic component; wherein the first and second electrically conductive sections are arranged and configured relative to one another such that, beyond a response voltage applied over the first and second conductive sections, a discharge path is formed between the first and second conductive sections; and wherein the response voltage has as its value a value formed greater than the threshold voltage value of the first optoelectronic component and less than or equal to the value of the breakdown voltage of the first optoelectronic component.
Semiconductor structure and manufacturing method thereof
A semiconductor structure includes a die including a first surface and a second surface opposite to the first surface; a first interconnect structure disposed at the first surface, and including a first dielectric layer and a first conductive member disposed within the first dielectric layer; a molding surrounding the die and the first interconnect structure; a second interconnect structure disposed over the second surface and the molding, and including a second dielectric layer and a second conductive member disposed within the second dielectric layer; a first seal ring is disposed within the second dielectric layer and disposed over the molding; and a conductive bump disposed over the second interconnect structure.
Wafer level package (WLP) and method for forming the same
A semiconductor device structure and method for forming the same are provided. The semiconductor device structure includes a substrate and a conductive pad formed on the substrate. The semiconductor device structure includes a protection layer formed over the conductive pad and a post-passivation interconnect (PPI) structure formed at least in the protection layer. The PPI structure is electrically connected to the conductive pad. The semiconductor device structure also includes a first moisture-resistant layer formed over the protection layer, and the protection layer and the first moisture-resistant layer are made of different materials. The semiconductor device structure further includes an under bump metallurgy (UBM) layer formed over the first moisture-resistant layer and connected to the PPI structure.
Package structure and method of fabricating the same
A package structure including at least one conductive plate, a redistribution layer, a first semiconductor chip, a conductive shielding structure and an insulating encapsulant is provided. The first semiconductor chip is sandwiched in between the at least one conductive plate and the redistribution layer, wherein the first semiconductor chip is disposed on the at least one conductive plate and electrically connected to the redistribution layer. The conductive shielding structure is sandwiched in between the at least one conductive plate and the redistribution layer, wherein the conductive shielding structure surrounds the first semiconductor chip and electrically connects the at least one conductive plate with the redistribution layer. The insulating encapsulant is disposed on the redistribution layer, encapsulating the first semiconductor chip, the conductive shielding structure, and surrounding the at least one conductive plate.
Method of fabricating semiconductor package including cutting encapsulating body and carrier to form packages
A semiconductor package is provided, including: a substrate having opposing first and second surfaces; a plurality of semiconductor components disposed on and electrically connected to the first surface; an encapsulant encapsulating the first surface and the semiconductor components and having at least one first groove that partitions the substrate into a plurality of package units, each of which has at least one of the semiconductor components; and a metal layer formed on the substrate and the encapsulant and encapsulating a periphery of the package units, with the second surface exposed from the metal layer, wherein the metal layer is formed along a wall surface of the first groove, to form a second groove corresponding in position to the first groove and having a metal surface. Therefore, the package units are isolated and form a multilayer isolated structure, including metal layers and air layers, and are electromagnetically shielded from one another.