Panel device including a panel and a support mechanism
A panel device including a panel for performing at least one of input and output of information related to operation of a work machine, a panel-side support axis fixed to the panel, a connecting arm that is swingably held by the two support axes, a guide rail formed on the work machine side, a bolt that moves along the guide rail, and a regulating arm attached to the bolt and held so as to be oscillatable by the panel-side support axis. When the connecting arm is oscillated, the oscillation of the connecting arm and the angle of the panel is regulated by the regulating arm.
Working apparatus and working method
A working apparatus includes a component holder that holds a component and mounts the component at a predetermined position of a work. In the working apparatus, the component holder that holds a component is configured to include a pair of grip members that pinch and grip the component, a grip member opening/closing portion that opens and closes the pair of grip members with an opening/closing motor as a drive source, a pair of contact portions that are disposed on the pair of grip members and freely rotate around a rotary shaft provided in an opening/closing direction of the grip member, and a contact portion driving portion that causes a roller, which is provided to be in contact with a side of a nozzle shaft, to convert a lifting and lowering motion of a nozzle shaft into a rotational motion of a spline shaft, and that causes the rotational motion to be transmitted to the contact portion via a plurality of rollers such that the contact portion rotates around the rotary shaft.
Conveyance robot apparatus
A conveyance robot apparatus includes modules positioned in a row; a robot for conveying each of the modules and loading and unloading a magazine tray from one of the modules; a pinion mounted on the robot; racks that are slidably supported on the modules and can mesh with the pinion; and a rack connecting mechanism for connecting adjacent racks to each other.
Electromagnetic shielding structure having choke structure
An electromagnetic-shielding structure includes an electromagnetic-shielding container having an opening, an electromagnetic-shielding cover that is movably attached to the electromagnetic-shielding container between a closing position and an opening position, and a choke structure. The choke structure is disposed so as to be positioned between a circumference of the electromagnetic-shielding container defining the opening and a circumference region of the electromagnetic-shielding cover when the electromagnetic-shielding cover is at the closing position, and includes a plurality of dielectric layers and a plurality of conductive layers that are alternately stacked.
Managing air temperature within a server rack
Managing thermal cycles of air temperature within a server rack includes: monitoring air temperature within the server rack; determining that the monitored temperature has fallen below a predetermined minimum threshold; and increasing air temperature within the server rack including capturing warm ambient air.
An electronic apparatus includes a substrate, a heat radiating member which faces the substrate with a gap therebetween, a fixing assembly which fixes the heat radiating member to the substrate, a heat transfer plate disposed on a side of the substrate with respect to the heat radiating member, and a thermal bonding material which is interposed between the heat radiating member and the heat transfer plate, and has elasticity, wherein an electronic device is inserted between the substrate and the heat transfer plate.
Sled, tray, and shelf assembly for computer data center
An arrangement for mounting and supporting a plurality of cylindrical form or other computer systems, for example Apple Mac Pro cylindrical form computer systems, in a data center so as to optimize cooling air flow, access to cabling, and maximized use of space. A plurality of shelf assemblies is mounted to a computer center rack. Each shelf assembly comprises a tray that supports a pair of slidable sleds. Each sled supports a cylindrical form computer enclosure in an axially horizontal configuration, and includes a sled face that exposes a top surface of a computer enclosure. Air flow perforations in the sled face direct air into the space behind the sled face and across a mounted computer enclosure. The tray and sled provides a convenient arrangement for power and communications cabling, as well as directs a cooling air flow through openings in the trays and sleds upwardly across computer enclosures.
Electric device and display device comprising the same
An electric device including a first metal layer, a second metal layer, and a buffer layer. The first metal layer includes a first groove. The second metal layer includes a second groove. The buffer layer is located between the first metal layer and the second metal layer. A through hole passes through the first metal layer, the buffer layer and the second metal layer. The bottom of the first groove is interconnected with the bottom of the second groove via the through hole. The width of the second groove is greater than the width of the first groove.
Connection structure and image pickup apparatus
A connection structure includes: a wiring board including a plurality of first electrodes that are arranged on a principal surface; a molded interconnect device (MID) made of a non-electroconductive resin as a base material, the MID including a side surface and a bottom surface, the bottom surface being parallel to the principal surface of the wiring board and including a plurality of arranged second electrodes, and the side surface being perpendicular to the principal surface of the wiring board; and a plurality of electroconductive members each made of an electroconductive paste, each of the electroconductive members electrically connecting each of the plurality of first electrodes to each of the plurality of second electrodes, in which the plurality of electroconductive members are housed in respective reservoir sections formed by the second member and are not in contact with the non-electroconductive resin.
Electronic circuit arrangement and method of manufacturing the same
The present invention relates to an electronic circuit arrangement (10) comprising: a substrate (12) having a first surface (12a) and a second surface (12b), an electronic circuit, an electrical connection part (16) for providing an electrical connection to the electronic circuit and being arranged on the first surface (12a), and at least one electrical wire (18). The electrical wire (18) comprises at least one conductive core (20) and an isolation (22) surrounding the conductive core (20). An end portion (18a) of the electrical wire (18) is an isolation-free portion for allowing access to the conductive core (20), wherein the end portion (18a) of the electrical wire (18) is connected to the electrical connection part (16). At least one through-hole (24) extending from the first surface (12a) to the second surface (12b) is provided in the substrate (12), wherein the electrical wire (18) is arranged through the through-hole (24).
Tamper-respondent assembly with flexible tamper-detect sensor(s) overlying in-situ-formed tamper-detect sensor
Tamper-respondent assemblies and methods of fabrication are provided which include an enclosure, an in-situ-formed tamper-detect sensor, and one or more flexible tamper-detect sensors. The enclosure encloses, at least in part, one or more electronic components to be protected, and the in-situ-formed tamper-detect sensor is formed in place over an inner surface of the enclosure. The flexible tamper-detect sensor(s) is disposed over the in-situ-formed tamper-detect sensor, such that the in-situ-formed tamper-detect sensor is between the inner surface of the enclosure and the flexible tamper-detect sensor(s). Together the in-situ-formed tamper-detect sensor and flexible tamper-detect sensor(s) facilitate defining, at least in part, a secure volume about the one or more electronic components.
Printed circuit board
To provide a printed circuit board that allows for easy exchange of only a deterioration detection conductor, and can reduce costs. A printed circuit board includes: a main printed circuit board in which a wiring pattern is formed on an insulated substrate; and a deterioration detection wiring board in which deterioration detection wiring (deterioration detection wiring pattern) which is wiring having a form whereby deterioration is promoted compared to the wiring pattern on the insulated substrate is formed on a separate insulated substrate from the main printed circuit board, and is exchangeably connected to the main printed circuit board in a vicinity thereof by way of a replacement-enabling connection part. One mode of the replacement-enabling connection part of the printed circuit board is a connection part (solder joint) constituted by solder, another mode thereof is a connection part (electrically conductive adhesive connection part) constituted by electrically conductive adhesive, and yet another mode thereof is a connection part (cable) constituted by a cable.
Electronic device with encapsulated circuit assembly having an integrated metal layer
Embodiments are directed to a circuit assembly for an electronic device having an electromagnetic shield that defines a sensing element or contact pad along an outer surface of the assembly. The circuit assembly includes a group of electrical components attached to a surface of a printed circuit board. A molded structure may encapsulate the group of electrical components and at least a portion of the surface of the printed circuit board. A metal layer may be formed over an outer surface of the molded structure. The metal layer may define both a shield portion configured to provide shielding for one or more of the group of electrical components and an electrode configured to detect an input applied to the electronic device.
Adjusting a beam diameter and an aperture angle of a laser beam
Beam guiding devices for guiding a laser beam, in particular in a direction towards a target region for producing extreme ultraviolet (EUV) radiation, include an adjustment device for adjusting a beam diameter and an aperture angle of the laser beam. The adjustment device includes a first mirror having a first curved reflecting surface, a second mirror having a second curved reflecting surface, a third mirror having a third curved reflecting surface, a fourth mirror having a fourth curved reflecting surface, and a movement device configured to adjust the beam diameter and the aperture angle of the laser beam by moving the first reflecting surface and the fourth reflecting surface relative to one another and, independently thereof, moving the second reflecting surface and the third reflecting surface together relative to the first reflecting surface and the fourth reflecting surface.
Mobile wireless terminal
A mobile wireless terminal includes a metal casing, a printed wiring board disposed in the metal casing and including a ground conductor thereon, the ground conductor defining a ground plane for both a power supply circuit and an antenna, a capacitor connected to the metal casing and the ground conductor, and an overcurrent protective element connected to the metal casing and the ground conductor and having an operating voltage higher than a maximum instantaneous value of a commercial power supply voltage. A capacitance of the overcurrent protective element may be smaller than a capacitance of the capacitor. The capacitor may be a multilayer ceramic capacitor, and the overcurrent protective element may be a discharge gap overcurrent protective element.
Lighting apparatus and lighting system supporting a mesh network
A lighting apparatus includes an apparatus communicator and an apparatus controller. The apparatus communicator wirelessly transmits and receives information on operations of the lighting apparatuses. The apparatus controller interprets: a mesh profile which is a communications protocol for the lighting apparatus to transmit and receive the information to and from another lighting apparatus and a communication terminal forming a mesh network, and a user profile which is a communications protocol for the lighting apparatus and the communication terminal to communicate with each other, the user profile being set depending the communication terminal.
System for integrated remote control of wireless lighting device and wireless electric and electronic devices in wireless network environment
Disclosed is a system for integrated remote control of wireless lighting devices and wireless electric/electronic devices in a wireless network environment. In the wireless network environment, a management server transmits a lighting control command and a device control command for individually driving and controlling wireless lighting devices and wireless electric/electronic devices to the wireless lighting devices on a main wireless node (i.e., first wireless node) over a communication network. Therefore, a user can wirelessly and remotely drive and control various wireless electric/electronic devices as well as wireless lighting devices through the management server without time and place constrains.
Lighting devices and lighting systems
A lighting device includes a light emitting module, a driver, a wireless communication module, and a signal converter. The light emitting module includes light emitting elements and an antenna pattern. The light emitting elements are mounted on a first surface of a circuit board. The antenna pattern is in the first surface or a second surface of the circuit board. The driver sets current applied to the light emitting elements based on control data including current setting information. The control data is wirelessly received through the antenna pattern from an external user terminal. The light emitting module includes a wireless communication module directly connected to the antenna pattern to receive the control data, and a signal converter to convert the control data to a control signal and provide the control signal to the driver.
Enhancements to ornamental or holiday lighting are disclosed including remote control ornamental illumination with color pallet control whereby a user can vary the color/intensity/appearance of an individual bulb or entire light string by selecting the electronic address of the bulb and selecting its attribute. Further disclosures include: motion responsive lights which respond to sensed movement, gesture controlled lights, adjustable white color/white led sets, connectable multi-function lights, controller to sequence lights to music or other input source, rotating projection led light/tree top/table top unit, and remote controlled sequencing icicle lights and ornament lighting system.
Backup power for distributed lighting system and method
A lighting control system that allows for flexible control of low-voltage LED light fixtures connected to an output of a digital power module such that during “normal” operation where the digital power module is receiving electrical power from the building electrical system, the digital power module controls the connected light fixtures according to a first control scheme and in the event of an interruption of building electrical power (“emergency” operation), the system receives backup power and control the connected light fixtures according to a second control scheme.
Data generation method, data reproduction method, data generation device and data reproduction device
A data generation method is for generating video data that covers a second luminance dynamic range wider than a first luminance dynamic range and has reproduction compatibility with a first device that does not support reproduction of video having the second luminance dynamic range and supports reproduction of video having the first luminance dynamic range, and includes: generating a video signal to be included in the video data using a second OETF; storing, into VUI in the video data, first transfer function information for identifying a first OETF to be referred to by the first device when the first device decodes the video data; and storing, into SEI in the video data, second transfer function information for identifying a second OETF to be referred to by a second device supporting reproduction of video having the second luminance dynamic range when the second device decodes the video data.
Light emitting device for vehicle, lighting device for vehicle, and lighting tool for vehicle
A light emitting device for a vehicle includes a substrate; a light emitting element which is provided on the substrate; a resistive element which is provided on the substrate, and connected in series with the light emitting element; and a thermistor which is provided on the substrate. The thermistor has a positive temperature coefficient, and is connected in parallel with the resistive element.
Solid-state lighting with an adapted control voltage
An LED luminaire comprises a power switching driver, LED array(s) powered by the power switching driver, and a detection and control circuit. The detection and control circuit comprises a voltage sensing circuit, a current sensing circuit, a voltage regulator circuit, an optocoupler circuit, and a pair of low-voltage input ports receiving an external voltage. The detection and control circuit is configured to extract an electrical signal from an output voltage, an output current driving the LED array(s), and the external voltage and to couple an optical feedback signal to the power switching driver. The external voltage comprises a voltage sent from a motion sensor, an adapted control voltage from a daylight sensor, or both to control the power switching driver to offset lighting amount of the LED luminaire to reduce energy consumption in response to changing daylight availability when a motion is detected.
Control circuit, control method and LED driving circuit thereof
A control circuit for an LED driving circuit having a rectifier and a power transistor for driving an LED load, can include: a control signal regulation circuit configured to control a driving voltage of the power transistor to vary with a rectifier output voltage to control the variation of a current flowing through the power transistor to be consistent with that of the rectifier output voltage to decrease a power loss of the power transistor; and the control signal regulation circuit being configured to control the driving voltage of the power transistor to vary with the rectifier output voltage to control the variation of the current flowing through the power transistor to be opposite to that of the rectifier output voltage to improve a power factor of the LED driving circuit.
Dimming circuit, dimming method and LED driving circuit
There is provided a dimming circuit, a dimming method and a LED driving circuit. On the basis of the dimming of a dimmer, the circuit according to the disclosure generates a plurality of current reference signals corresponding to a plurality of loads in accordance with a dimming signal, to change a ratio of load currents of the plurality of loads, so that, the adjustment of color temperature is implemented, wherein the dimming signal represents the changes of switching operation or dimming speed of the dimmer, and the ratio of current load currents of the plurality of loads is latched or a predetermined ratio of load currents is latched. According to the disclosure, the dimmer can be used for directly adjusting color temperature, without the need for a MCU, so that, the system compatibility is improved and the cost is decreased.
Voltage-dependent connection of individual light sources
A method for operating a lighting device having multiple light sources may include determining a measure of a supply voltage and switching the light sources into one or more parallel strands, wherein the light sources in each strand are connected in series, in each case according to the measured value of the supply voltage. Automatic determination of a number of light sources in at least one of the strands, the number corresponding to the largest whole number which, when multiplied by a specifiable forward voltage of each of the light sources, is less than the measured value of the supply voltage. During switching of the light sources the exact number of light sources determined in the at least one strand is connected in series.
Resonant DC-to-DC drivers
One aspect of the invention provides a DC-to-DC driver for at least one light-emitting diode (LED). The driver includes: a converter configured to drive the at least one light emitting diode (LED). The converter includes: an inverter; a rectifier configured to be coupled to the at least one LED; and a resonant tank coupled between the inverter and the rectifier. The resonant tank includes at least two inductors and at least three capacitors. Another aspect of the invention provides a lamp including: at least one light-emitting diode (LED); and the DC-to-DC converter of any of the embodiments of the invention described herein electrically coupled to the at least one light-emitting diode (LED).
Lamp driver for an LED lamp and LED lamp for placement into a fluorescent lamp fixture
A lamp driver for an LED lamp is provided, comprising a voltage input port for connecting the lamp driver to a power source, a relay that is switchable between an energized state and a de-energized state according to a pick-up voltage, and a relay controller circuit that connects the relay to the voltage input port and that is switchable between a conducting state and an non-conducting state according to a threshold voltage, wherein the pick-up voltage is smaller than the threshold voltage.
The present disclosure relates to a home appliance. The home appliance includes a dispensing port, a heating flow path part communicating with the dispensing port, a heating device for heating water flowing through the heating flow path part, and a controller controlling the heating device. The heating device includes a coil part in which coils are stacked in multilayers.
Determining the significance of sensors
A computer-implemented method includes identifying one or more sensor identifiers; identifying one or more activity conclusions; and identifying one or more activity derivation rules each associated with at least one of the one or more sensor identifiers and at least one of the one or more activity conclusions. The computer-implemented method further includes determining, for each of the one or more sensor identifiers, an overall predominance value based on at least one of the one or more activity derivation rules, wherein the predominance value is an estimation of the synergic significance of each of the one or more sensor identifiers to the one or more activity derivation rules. A corresponding computer program product and computer system are also disclosed.
Network controlled and deployment based increased primary cell measurements
Communication systems may benefit from appropriate measurements of transmitters. For example, certain communication systems using dual connectivity may benefit from network controlled and deployment based increased primary cell measurements. A method can include configuring, by a network element, a user equipment to perform measurements on both a master cell group and a secondary cell group, according to activity in the secondary cell group.
Receiving terminal and transmitting terminal
A receiving terminal includes: a receiver configured to receive a data unit configured by data and a header, from the transmitting terminal in the D2D communication; and a controller configured to hold the data unit including a compressed header for a predetermined period even if decoding the compressed header is failed when the compressed header is used as the header. In the D2D communication, a timing at which a receiving entity is formed in the receiving terminal differs from a timing at which a transmitting entity is formed in the transmitting terminal.
Electronic apparatus and controlling method thereof
An electronic apparatus is provided. The electronic apparatus comprises a speaker; a microphone; a communicator configured to communicate with an external electronic apparatus; and a processor configured to: activate the microphone in response to receiving information indicating that the external electronic apparatus is in an initial setting state through the communicator, the information being broadcasted by the external electronic apparatus via a first wireless communication method, in response to receiving a sound output by the external electronic apparatus through the microphone, generate an inverted sound by inverting a phase of the received sound, output the inverted sound through the speaker such that the sound output by the external electronic apparatus is offset by the inverted sound, and obtain address information of the external electronic apparatus for wireless communication with the external electronic apparatus from the sound received through the microphone.
Device and method for handling a feature
The present invention provides methods and devices for a network to inform a user equipment which network slice is attached successfully and which network slice is prohibited to attach.
Method for performing random access procedure
One embodiment of the present specification provides a method for performing a random access procedure. The method can comprise the steps of: generating a random access preamble to a first cell; generating a random access preamble to a second cell; determining whether the random access preamble to the first cell and the random access preamble to the second cell are triggered so as to be simultaneously transmitted in the same subframe; selecting the random access preamble to any one of the cells according to a pre-set priority when triggered so as to be simultaneously transmitted; and transmitting the any one selected random access preamble.
Determining a request for system information
Apparatuses, methods, and systems are disclosed for determining a request for system information. One apparatus includes a processor that: determines whether system information used by the apparatus is scheduled to be transmitted; and in response to the system information not being scheduled to be transmitted, determines whether the system information is requested by a second apparatus.
Method and apparatus for signal interference processing
A system that incorporates the subject disclosure may include, for example, a method for measuring a power level in at least a portion of a plurality of resource blocks occurring in a radio frequency spectrum, wherein the measuring occurs for a plurality of time cycles to generate a plurality of power level measurements, calculating a baseline power level according to at least a portion of the plurality of power levels, determining a threshold from the baseline power level, and monitoring at least a portion of the plurality of resource blocks for signal interference according to the threshold. Other embodiments are disclosed.
Method and apparatus for receiving V2X message
Provided are a method of receiving a vehicle to everything (V2X) message by a base station in a wireless communication system, and an apparatus supporting the method. The method may include: receiving, from a multi-cell coordination entity (MCE), local multimedia broadcast multicast service (MBMS) distribution information including an internet protocol (IP) multicast address; receiving, from the MCE, an indication indicating whether the local MBMS distribution information is allocated by a local MBMS entity (LME); and receiving the V2X message by joining the IP multicast address on the basis of the indication and the local MBMS distribution information, wherein the local MBMS distribution information is information for IP multicast distribution of MBMS user plane data.
Methods for transmitting and receiving of control channel in wireless communication systems
A method of transmitting and receiving a control channel in a wireless communication system is provided. A base station allocates a data channel to a radio resource, adds start position information of the data channel into a payload of a control channel, and performs signaling for indication information on the start position information added into the payload of the control channel to a terminal. Accordingly, the legacy system and the enhanced system can efficiently transmit a control channel.
Device-to-device (D2D) operation method performed by terminal in wireless communications system and terminal using same
Provided are a device-to-device (D2D) operation method performed by a terminal in a wireless communications system and a terminal using the same. The method comprises receiving a D2D setting from a cell, wherein the D2D setting comprises a frequency indicator indicating a frequency at which a terminal performs a D2D operation according to the D2D setting.
Method and apparatus for performing blind detection in wireless communication system
A method and apparatus for determining a length of a physical downlink shared channel (PDSCH) (or, a partial subframe) in a wireless communication system is provided. A user equipment (UE) detects at least one of starting orthogonal frequency division multiplexing (OFDM) symbol or ending OFDM symbol of a PDSCH in an unlicensed carrier, and determines the length of the PDSCH in the unlicensed carrier based on the at least one of the starting OFDM symbol or the ending OFDM symbol of the PDSCH in the unlicensed carrier. The UE may detect the at least one of starting OFDM symbol or ending OFDM symbol based on a physical downlink control channel (PDCCH) or a reference signal (RS) pattern.
Hybrid duplex communication method, BS and terminal
The present disclosure provides a hybrid duplex communication method and apparatus. Configuration information is obtained. The configuration information includes locations of special sub-frames on the first carrier, and a transmission direction of each sub-frame on the second carrier. Sounding Reference Symbol (SRS) is sent on a special sub-frame. when all sub-frames on the second carrier are UL sub-frames, the UE may communicate with the BS on the first carrier and the second carrier according to the FDD mode; when the second carrier is used for UL and DL transmission in time division multiplexing mode, the UE may communicate with the BS on DL resources of the first carrier and UL resources of the second carrier according to the FDD mode, and/or, the UE may communicate with the BS on DL resources of the second carrier and UL resources of the second carrier according to the TDD mode.
Secondary cell in a wireless device and wireless network
A base station transmits to a wireless device at least one message. The message comprises configuration parameters of a plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups. The configuration parameters comprise a primary PUCCH group comprising a primary cell with a primary PUCCH. The configuration parameters further comprise a secondary PUCCH group. The secondary PUCCH group comprises a PUCCH secondary cell with a secondary PUCCH and a first secondary cell. The base station deactivates a state of the PUCCH secondary cell for the wireless device in response to a deactivation condition for the PUCCH secondary cell being met. The base station stops reception of channel state information for the first secondary cell. The base station stops reception of positive acknowledgement and negative acknowledgement via the PUCCH secondary cell from the wireless device.
Scrambling sequence design for multi-mode block discrimination on DCI blind detection
Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier associated with either the transmitter or the intended receiver. The scrambling masks may be used by the receiver to perform early termination of the decoding process, to mitigate intercell interference, and to verify that the receiver is the intended receiver.
Blind decoding of (E)PDCCH for partial subframes
The invention relates to a method for blind decoding control signal candidates, preconfigured by a base station for a user equipment in a control region of each subframe. A plurality of starting positions is preconfigured between two subsequent subframe boundaries. The subframe is either a partial subframe or a full subframe. A first set of control signal candidates is preconfigured for the UE for the first starting position, and further sets of control signal candidates are preconfigured for the remaining starting positions. The number of control signal candidates of at least one of the further sets is less than the number of control signal candidates of the first set. For each subframe, the UE, for at least the first starting position out of the plurality of starting positions, blind decodes the set of control signal candidates preconfigured for that starting position to receive the one or more control signals.
Scalable WLAN gateway
A technique for combining transmission bandwidths of several communication devices, such as mobile stations is disclosed. A master mobile station establishes a WLAN access point communicating with WLAN client terminals. One or more slave mobile stations may detect a predefined network identifier and join the WLAN network. The master as-signs IP addresses for the client terminals and slave mobile stations. The master also resolves DNS queries in cooperation with external DNS servers. Traffic, including internet packets, between the client terminals and various internet hosts is tunneled over multiple simultaneous transmission paths between the master and a multiplexing/demultiplexing computer. The inventive band-width combination technique is transparent to the client terminals and the internet hosts.
Method and apparatus for performing switching control between uplink and sidelink in wireless communication system
A method and apparatus for performing switching control between uplink (UL) and sidelink (SL) in a wireless communication system is provided. A user equipment (UE) receives control information for a transmission direction of a specific type of communication from a network, and determines one of the UL or the SL as the transmission direction of the specific type of communication based on the control information. The specific type of communication may correspond to vehicle-to-everything (V2X) communication.
Timing based UE positioning in shared cell environment
The present disclosure relates to systems and methods for determining the location of a wireless device in a shared cell deployment/system. In some embodiments, a method of operation of one or more network nodes comprises obtaining separate samples of at least a portion of one or more uplink transmissions received by at least a subset of a plurality of Receive/Transmit (R/T) points in a shared cell from a wireless device. The separate samples comprise, for each R/T point of the at least a subset of the plurality of R/T points in the shared cell, a sample of at least a portion of an uplink transmission received by the R/T point from the wireless device. The method further comprises performing multilateration based on range estimates for ranges between the wireless device and the at least a subset of the plurality of R/T points determined from the separate samples.
Techniques for device registration and prioritization in a cellular as a service environment
Embodiments of the present invention provide techniques for registering devices with a distributed antenna system (DAS) and managing access to one or more mobile networks provided through the DAS. The DAS may include a centralized hub that may interface with various base stations to provide one or more mobile networks in a DAS deployment. In some embodiments, the centralized hub may communicate with one or more remote units that convert signals received from the centralized hub to be communicated using one of the distributed antennas. When a device attempts to connect to the mobile network, an access manager in the DAS can determine whether the device can access the mobile network. Access can be determined based on device registration with the DAS. In various embodiments, different service levels may be made available to different users, devices, types of traffic, etc. by the DAS.
Synchronization control method within wireless network, wireless network and smart home device
The present disclosure relates to the smart home field, disclosing a synchronization control method within wireless network, a wireless network and a smart home device. In the present disclosure, controlling a terminal to broadcast a control command directed at multiple smart home devices; characterized in, the control command carries a count-down time duration for command execution time; continuing to broadcast the control command by a smart home device which receives the control command within its wireless broadcast coverage area, and carrying in the broadcasted control command the processing time for the smart home device to process the control command; determining command execution time by respective smart home devices to execute the control command according to the count-down time duration in the received control command, as well as the total processing time of respective smart home devices which the control command passes on its transmission path. The present disclosure enables respective devices in smart home system to achieve synchronization control, greatly improving user experience.
Electronic apparatus, wireless signal receiving method thereof and systems having the same
Disclosed are an electronic apparatus, a wireless signal receiving method thereof and systems having the same, which can prevent a problem in that when a first wireless module receives a first wireless signal, the first wireless signal is distorted due to an interference by a second wireless module for transmitting and receiving a second wireless signal, thereby resulting in malfunctions or errors in data reception. The electronic apparatus includes a first wireless module configured to receive, or transmit and receive a first wireless signal corresponding to a user's input from, or to and from an external apparatus, a second wireless module configured to transmit and receive a second wireless signal different from the first wireless signal via a network, and a controller configured to determine whether the first wireless signal received is a normal signal, and control a power supplied to the second wireless module, based on the determination.
Low power consumption communication method and apparatus
The present invention discloses a low power consumption communication method. The method includes: obtaining, by a first network device, a data interval policy, where the data interval policy is determined according to a task status of the first network device, and the data interval policy includes a data segment length and a time interval between data segments; sending, by the first network device, the data interval policy to a second network device; and sending, by the first network device, data to the second network device according to the data interval policy or receiving data that is sent by the second network device according to the data interval policy. an electric quantity can be recovered in a time interval between data segments by using a battery recovery effect, thereby reducing electricity consumption during communication, and prolonging a usage time of a battery of a network device.
Method and apparatus for controlling TCP packets in communication system
Embodiments herein provide a TCP optimizer (TO) and method for controlling TCP packets due to closure of a TCP connection for power saving. The method includes monitoring TCP closures, for controlling the TCP packets. The TO can be configured to determine a pattern of TCP packets based on a plurality of parameters associated with a TCP connection. Further, the TO can be configured to detect that the pattern corresponds to a TCP closure retransmission or TCP zero window closure category based on a historic pattern of TCP packets. Further, the TO can be configured to terminate the TCP connection. The proposed method allows controlling TCP packets to save power in a mobile device thus improving the life time of a battery of the mobile device.
Method and apparatus for power saving mode operation in wireless LAN
A method and a corresponding apparatus, for a power saving mode operation in a wireless LAN, the method including: an AP transmitting, on the basis of a virtual bitmap of a TIM element comprised in a beacon frame, a PS-poll request frame to a plurality of target STAs that have received the indication of the existence of pended downlink data; the AP receiving, on overlapped time resources, each of a plurality of PS-poll frames from each of a plurality of PS-poll transmission STAs that are indicated on the basis of the PS-poll request frame among the plurality of target STAs; and the AP, on the overlapped time resources, transmitting each of a plurality of downlink frames to each of the plurality of PS-poll transmission STAs as a response to each of the plurality of PS-poll frames.
Method and apparatus for cell reselection
A method and wireless transmit receive unit (WTRU) are disclosed that is configured to perform cell reselection to another cell when the WTRU is in a CELL_FACH state using an Enhanced-Dedicated Channel (E-DCH). The cell reselection is based on internal measurements by the WTRU. Alternatively, the cell reselection can be WTRU based on the WTRU measurements reported to the network.
Aggregated beacons for per station control of multiple stations across multiple access points in a wireless communication network
A technique for providing per station control of multiple stations in a wireless network across multiple access points. A look-up table that assigns a station connected to the access point and at least one communication parameter to each of a plurality of persistent, uniquely-assigned BSSIDs (Basic Service Set Identifiers) is stored. An access point responds to messages addressed one of the plurality of persistent, uniquely-assigned BSSIDs and ignores messages addressed to other BSSIDs. Persistence of the BSSID allows the controller to maintain individual control over each station after moving to a second access point of the plurality of access points. A frame comprising the plurality of BSSIDs corresponding to each connected station aggregated into the frame is generated. The frame is transmitted to the plurality of stations. Responsive to a station of the plurality of stations being handed-off to a different access point, a uniquely-assigned BSSID corresponding to the station is deleted from the look-up table.
Handoffs between access points in a Wi-Fi environment
Techniques disclosed herein include systems and methods for providing active mobility of Wi-Fi enabled devices within a given wireless local area network (WLAN). In general, techniques include dynamically commanding Wi-Fi enabled devices to disconnect from a corresponding access point in response to meeting predetermined conditions. A forced disconnect can be based on various criteria such as low-power or lost packet thresholds triggering the forced disconnect. Such techniques cause a Wi-Fi enabled device to disconnect from one access point and connect to another access point before a connection quality deteriorates to a point that causes noticeable interruptions in connectivity or a generally poor experience, thereby enabling a smooth transition among access points.
Cell selection method and apparatus
A cell selection method and an apparatus are provided. The method includes: performing, by a terminal, cell measurement; obtaining, by the terminal, cell selection auxiliary information; and performing, by the terminal, cell selection or cell reselection according to a cell measurement result and the cell selection auxiliary information. By using the method, the terminal can select a more suitable cell.
Dynamic service and policy control based on radio condition notifications
A system for receiving, by a policy and charging rules function (PCRF) device and from a packet data network gateway (PGW) device, a signaling message for a subscriber data session, the signaling message including first radio condition notification (RCN) data identifying an amount/level of data service throughput available at a location with respect to a radio access network (RAN); generating, responsive to the signaling message, a request for the subscriber's quality of service (QoS) and policy information; sending the request for QoS and policy information to a home subscriber server (HSS) device; receiving, from the HSS device, the subscriber's QoS and policies; determining, based on the QoS and policies and the amount/level of data service throughput, QoS and policy decisions applicable to the subscriber at the location; and sending the QoS and policy decisions to the PGW device for implementation via the RAN.
Methods, systems, and computer readable media for operating a telecommunications network using an on-premises computing system and an off-premises cloud computing system
Methods, systems, and computer readable media for operating a telecommunications network using an on-premises computing system and an off-premises cloud computing system. In some examples, a method includes executing, at an on-premises computing system including at least one processor, one or more network-impacting telecommunications functions for the telecommunications network. The method includes offloading, at the on-premises computing system using an on-premises network, one or more other telecommunications functions for the telecommunications network to an off-premises cloud computing system remote from the on-premises network.
Structure of MAC sub-header for supporting next generation mobile communication system and method and apparatus using the same
A communication technique of fusing a fifth generation (5G) communication system for supporting higher data transmission rate beyond a fourth generation (4G) system with an Internet of things (IoT) technology and a system thereof are provided. The communication technique may be used for an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, a retail business, a security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. A method for defining media access control (MAC) sub-header structures suitable for a next generation mobile communication system and applying the MAC sub-header structures to provide a high data transmission rate and a low latency in the next generation mobile communication system is provided.
Method for terminal for carrying out V2X communication in wireless communication system and terminal utilizing the method
Provided are a method for a terminal for carrying out vehicle-to-everything (V2X) communication in wireless communication system and a terminal utilizing the method. The method is characterized by acquiring resource allocation information associated with V2X communication from a neighboring cell, and reporting the resource allocation information associated with V2X communication to the serving cell.
Methods and systems for monitoring mobile networks
This invention relates to methods and systems for monitoring mobile service quality in a mobile network and also for determining parts of a mobile network which need expansion or upgrade. Embodiments of the invention monitor the market impact and/or service quality, and determine an expansion ranking. The market impact, service quality and/or expansion ranking may view the network from a plurality of perspectives, including a location perspective, an historical time perspective, a future time perspective and/or a network element type perspective. The results of the monitoring and determining can be acted on by predetermined rules and/or actions to derive a list of prioritized expansion tasks for the network.
User equipment and protocol and methods for device-to-device communication
Embodiments of a UE and methods for D2D communication are generally described herein. The UE may transmit, as part of an in-network communication session, a D2D discovery status message. The D2D discovery status message may indicate an initiation or termination of a D2D discovery operation at the UE and may indicate if the UE is announcing or monitoring as part of the D2D discovery operation. The D2D discovery operation may be at least partly for configuring a D2D communication session between the UE and one or more other UEs. The UE may transmit, as part of the D2D discovery operation, a D2D discovery signal for reception at one or more other UEs. The UE may transmit and receive D2D packets over a direct link to a second UE as part of the D2D communication session.
Control device, base station, control method, and storage medium
A control device configured to control communication between a terminal and a base station manages, concerning the communication, first information representing a part of a number corresponding to an order of a packet and held by each of the terminal and the base station and second information representing another part of the number corresponding to the order of the packet and transmitted from the terminal to the base station, determines whether the first information matches between the base station and the terminal, and controls the terminal to transmit a signal used to execute reconnection processing for resetting the number of the packet upon determining that the first information does not match between the base station and the terminal.
Systems and methods for managing network controllers and their network interactions in a network of moving things, for example including a network of autonomous vehicles
Systems and methods for managing network controllers (or mobile controllers) and their network interactions in a network of moving things. As non-limiting examples, various aspects of this disclosure provide systems and methods for assigning and/or adapting the assignment of network controllers to mobile access points (e.g., of autonomous vehicles, manually locally controlled vehicles, remotely controlled vehicles, etc.).
Wireless mesh point portable data terminal
A portable data terminal (PDT) adapted to participate in a wireless mesh network including a plurality of peer PDTs can comprise: a PDT module including an encoded information reading (EIR) device, and a mesh point (MP) module communicatively coupled to the PDT module. The MP module can include a microcontroller and at least one wireless communication interface and can be configured to perform IEEE 802.11-conformant wireless station services including authentication, de-authentication, privacy, and MAC service data unit delivery, and IEEE 802.11-conformant wireless distribution system services including association, disassociation, distribution, integration, and re-association. The MP module can be further configured, responsive to receiving a MAC frame addressed to a recipient inside the wireless mesh network, to deliver the MAC frame using the distribution service.
Electronic apparatus and method in wireless communication system
An electronic apparatus and a method in a wireless communication system are disclosed. The electronic apparatus comprises processing circuitry configured to train a beam adjustment model for adaptive beamforming with training data, so that the beam adjustment model outputs, for any movement path of a user equipment, beam information which enables a beam adjustment time interval meeting a performance requirement of the user equipment to be optimized. According to embodiments of the disclosure, the beam adjustment model is trained by taking the beam adjustment time interval as an optimization target, and adaptive beamforming is performed using the trained beam adjustment model, so that it is possible to significantly reduce system overhead and measurement and processing overhead for beam adjustment, while ensuring communication performance of the user equipment.
Method and system providing local data breakout within mobility networks
Aspects of the subject disclosure may include, for example, distinguishing between offload and non-offload traffic associated with a mobile device in communication with a small-cell access point using a managed cellular frequency spectrum. The access point is located at a subscriber premises and in further communication with a network core. Offload traffic is associated with a first IP address of the mobile device and includes a signaling portion and a user data portion. User data messages of the user data portion are exchanged between the mobile device and the equipment at the subscriber premises without being exchanged between the network core and one of the mobile device, the equipment at the subscriber premises or both. The mobile device is associated with a first access point name identifier based on the first IP address and a second access point name identifier based on a second IP address. Other embodiments are disclosed.
Method and apparatus for identifying pseudo base-station, and terminal
Provided are a method and an apparatus for identifying a pseudo base-station, and a terminal and the method includes the follows. A terminal is redirected to a target cell supporting the circuit domain business when receiving a first call request in a first serving cell not supporting circuit domain business. A location area update request is sent to a base-station where the target cell is located when a popularity of LAIs stored do not include a LAI of the target cell. The popularity of LAIs is received from a base-station where the first serving cell is located. The base-station where the target cell is located is identified as a pseudo base-station when a location area update reject information carrying a cause value is received from the base-station where the target cell is located. There is also provided an apparatus for identifying a pseudo base-station and a terminal.
Position and authenticate Wi-Fi users to enhance Wi-Fi security control and management
An approach is provided that receives, from a radio frequency identification (RFID) tag included with a device, at least three different charge times. Each of the charge times corresponds to a different RFID reader that separately charges the RFID tag with each of the RFID readers being at a different geographic location. A distance between each of the RFID readers and the RFID tag is approximated based on the respective charge times and these approximate distances are used to identify a geographic position of the RFID tag using trilateration. The geographic position of the RFID tag is then used to determine whether to allow the device wireless access to a computer network.
Apparatus, system and method of communicating between a cellular manager and a user equipment (UE) via a WLAN node
Some demonstrative embodiments include devices, systems and/or methods of communicating between a cellular manager and a User Equipment (UE) via a Wireless Local Area network (WLAN) node. For example, an Evolved Node B (eNB) may be configured to communicate with a User Equipment (UE) traffic of at least one Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN) Radio Access Bearer (E-RAB); to participate in establishment of an IP tunnel with the UE via a Wireless Local Area Network (WLAN) node; to encapsulate an IP payload comprising downlink traffic of the E-RAB in an IP tunneling packet; and to send the IP tunneling packet to the UE via the IP tunnel.
Secure short message service (SMS) communications
Systems, methods, and computer program products for providing secure messaging communications are disclosed. For example, a computer-implemented method may include receiving an encrypted message and a key from a sender associated with a first computing device where the encrypted message is generated by the first computing device, verifying the received key at least in part based on a comparison with a pre-determined key, processing one or more unique factors associated with the sender in view of verifying the received key, decrypting the encrypted message, re-encrypting a result of the decrypting using a key of a receiver associated with a second computing device, and sending the re-encrypted result to the receiver associated with the second computing device.
Method, device, and system for device pairing for improved safety and security of first responders entering an incident scene area
Improved incident device pairing for safety and security of first responders entering an incident scene area associated with an incident is provided. An electronic computing device (ECD) transmits a request to scan for nearby pairable mobile computing devices to each of a plurality of mobile computing devices (MCDs) associated with the incident. The ECD receives identity information from each MCDs setting forth identities of other MCDs reachable via a short-range wireless communication link. The ECD accesses equipment mapping information that sets forth equipment associated with the MCD or user thereof and identifies a plurality of pairs of MCDs for entering the incident scene area as a function of the identity and equipment mapping information. The ECD then transmits a short-range pairing instruction to each MCD identifying the other mobile computing device in the pair and instructing the MCDs to pair with one another via their short-range wireless communication link.
System and method for machine-to-machine communication in an internet-of-things network
A system and method for Machine-to-Machine (M2M) communication over a transmission medium, including a novel random access protocol that is easy to implement, energy efficient, scalable and compatible with the limited-power and low complexity requirements of IoT devices. The proposed protocol utilizes a form of multiple hypothesis testing at the IoT gateway to determine the number of active IoT devices operating in the transmission medium to optimize the power levels of a Successive Interference Cancellation (SIC) receiver in order to distinguish between signals transmitted from different IoT devices on the same time and frequency. The use of beamforming exploits the power and spatial domains without excessively increasing the SIC power levels and address channel access delay problems by reducing the probability of collision and consequently lowering the average back-off delay.
System and method for machine-type communications
A method for operating a machine-type device (MTD) includes determining communications requirements for a machine-type device (MTD), and assigning a first signal waveform selected from a plurality of signal waveforms to the MTD in accordance with the determined communications requirements, wherein each signal waveform has an associated characteristic signal bandwidth.
Tow and emergency roadside assistance locating and tracking mobile application
A system for providing dynamic roadside assistance coordination may include a customer mobile device or vehicle in direct, or indirect, wireless communication with an insurance provider and/or service provider remote server. The customer's device may transmit a request for roadside assistance (e.g., towing services), and a current GPS location. In response, a closest, trusted service provider vehicle may be determined, and then directed to the customer's location. For instance, a software application may receive the customer location and compare it with availability information to match the customer with a close and trusted service provider. The customer's device may receive an acknowledgement that help is on the way, and be able to track the current location of the service provider vehicle while en route. Payment for the roadside assistance may be automatically and electronically paid by the insurance provider. As a result, prompt and safe roadside assistance may be provided.
Method and system for network discovery and management and associated e-commerce
The subject matter described herein relates to wireless network discovery, management, the enabling of services, and economic exchanges in a cooperative manner by one or more federated sets of consumers, one or more access point providers, and one or more wireless service providers. Described herein are methods and apparatus for the discovery, classification, and management of wireless networks. The methods and apparatuses described herein may leverage two complementary elements impacting the performance of wireless LANs: (1) organization and management of the wireless access points (hot spots) from an ontology perspective, and (2) organization of mobile devices as a federation.
Distributed control of a push-to-talk session
In some examples, a first push-to-talk (PTT) client that has access to a wide area network (WAN) performs distributed control for a PTT session in conjunction with distributed control for the PTT session performed by another PTT client in the PTT session, the distributed control by the first PTT client performed without use of any PTT server.
Method and system for generating a signal strength map
A system and method are provided for generating a signal strength map by a master device. The method includes operations for receiving, from a set of fixed transmitting devices, registration information including location, a type of signal and a device identifier (ID), receiving, from at least one receiving device, a set of parameters including location of the receiving device, strength of a first signal as received by the receiving device at a first location, type of the first signal, strength of a second signal as received by the receiving device at the first location, and type of the second signal, receiving at least one of the first or the second signal from at least one of the fixed transmitting devices, storing the received set of parameters, and generating a signal strength map representing strength of the first and the second signals at the first location.
Path storage and recovery using wireless devices
Embodiments of the present disclosure include an efficient method for presenting a traversed path. The method disclosed can be used to track individuals or provide directions for the individual to return using a path already traversed, so that the individual does not get lost. The method comprises determining a location for an individual by receiving a device identifier (e.g., distinctive combination of numbers and/or characters uniquely identifying a receiving device associated with the individual) and location information, received from one or more beacons, from the receiving device. The method comprises determining a first location associated with the receiving device based on the location information and/or the device identifier. The method comprises determining different locations associated with the individual as the individual moves. The method comprises, upon receiving a request for a traversed path, displaying instructions to reach the point of origin (e.g., first location).
Determining that a client device presents in a site using frequent client mobility patterns
Example method includes: receiving, by a network device, a plurality of signal strength values associated with a particular timestamp corresponding to a particular client device from a plurality of access points in a wireless network at a site; determining a mobility pattern based on the plurality of signal strength values associated with the particular timestamp corresponding to the particular client device; comparing the mobility pattern associated with the particular timestamp corresponding to the particular client device with mobility patterns associated with other timestamps or corresponding to other client devices to identify a set of frequent mobility patterns; determining whether an unassociated client device exhibits a threshold number of frequent mobility patterns for a threshold amount of time; and determining that the unassociated client device presents in the site in response to the unassociated client device exhibiting the threshold number of the frequent mobility patterns for the threshold amount of time.
Providing information to a mobile device based on an event at a geographical location
A system, method, and computer readable medium for providing information to a mobile device based on an event comprising detecting an occurrence of the event, determining if the event is a specific event and if the event occurred at or near a geographical location and sending an alert of the event to at least one mobile device if the event is the specific event, if the event occurs at or near the geographical location, and if the at least one mobile device is located at or near the geographical location.
Mobile device proximity notification
Aspects of the present invention disclose a method, computer program product, and system for mobile computing device proximity notification. The method includes one or more processors acquiring location information for a plurality of mobile computing devices. The method further includes one or more processors creating a first group of mobile computing devices based on location proximity in the acquired location information of the plurality of mobile computing devices, wherein the created first group includes a first mobile computing device and a second mobile computing device. The method further includes one or more processors determining whether the first mobile computing device is within a predetermined distance to the second mobile computing device, and the first mobile computing device and the second mobile computing device are outside of an area associated with the first group.
System to track engagement of media items
An engagement tracking system monitors user interactions with media items to calculate an engagement score of the media item. The engagement tracking system may be or include a group of one or more server machines configured to detect an exposure of a client device to a media item maintained by the engagement tracking system. In response to detecting the exposure of the client device to the media item, the engagement tracking system tracks a location of the client device based on access requests to location based media items. The engagement tracking system may thereby monitor client devices exposed to the media item in order to calculate an engagement score of the media item.
Application provisioning system
Systems and methods for provisioning applications include storing an application identifier in association with location information in a database that is accessible by a user device. The user device then detects that it is located at a location included in the location information. In response to detecting that it is located at the location, the user device determines an application that is included on the user device and that is identified by the application identifier that is associated with the first location. The user device then automatically provides the application for display to a user. In some embodiments, the application may be automatically provided by automatically launching the application on the user device, and that application may be automatically closed if the user device leaves the location or the application is not used for a predetermined amount of time.
Systems and methods to track locations visited by mobile devices and determine neighbors of and distances among locations
Systems and methods including mobile devices determining their locations using a location determination system, such as a global positioning system. A set of locations, including locations of one or more mobile devices, are identified by their coordinates on the surface of the Earth. The set of locations are efficiently organized into a graph of locations connecting to neighboring locations with edges representing distances to their neighboring locations. For each respective location, a computing device combines coordinates of the respective location into an identifier of a cell that contains the respective location without floating point computations, and stores cell-location data associating respective cells with respective locations. For each respective location, the computing device identifies neighboring cells of the cell that contains the respective location, looks up locations associated with the identifiers of the cell and its neighboring cells, as neighboring locations or candidates for neighboring locations.
Head related transfer function equalization and transducer aiming of stereo dimensional array (SDA) loudspeakers
An enhanced Stereo Dimensional Array loudspeaker system 250 preferably including a mirror image pair of loudspeaker enclosures 280L, 280R configurable by a user or installer as a left-channel loudspeaker and a right channel loudspeaker each having a driver array aiming configuration with first and second angled baffle facets carrying main and effects drivers on separate facets and a Head Shadow filter signal processing system and method for driving the main and effects drivers to achieve a psycho-acoustically expanded image breadth by Head Shadow filter compensated inter-aural crosstalk cancellation.
Laser microphone utilizing speckles noise reduction
A system includes a laser microphone or laser-based microphone or optical microphone. The laser microphone includes a laser transmitter to transmit an outgoing laser beam towards a face of a human speaker. The laser transmitter acts also as a self-mix interferometry unit that receives the optical feedback signal reflected from the face of the human speaker, and generates an optical self-mix signal by self-mixing interferometry of the laser power and the received optical feedback signal; and a speckles noise reducer to reduce speckles noise and to increase a bandwidth of the optical self-mix signal. The speckles noise reducer optionally includes a vibration unit or displacement unit, to cause vibrations or displacement of one or more mirrors or optics elements of the laser microphone, to thereby reduce speckles noise. The speckles noise reducer optionally includes a dynamic laser modulation modifier unit, to dynamically modify modulation properties of a laser modulator associated with the laser transmitter; optionally by modifying an operating temperature of the laser. Optionally, modifications are performed based on a timing scheme, or based on a pseudo-random scheme, or based on a calibration process that selects an advantageous modification scheme. Optionally, the system detects self-mix signal magnitude or bandwidth or quality, and activates the speckles noise reduction mechanism if the self-mix signal appears to be weak or low-quality.
Method and system for implementing stereo dimensional array signal processing in a compact single enclosure active loudspeaker product
A single enclosure multi-channel loudspeaker product 100 uses a novel signal processing system and method to achieve a surprisingly effective psycho-acoustically expanded image breadth by inter-aural crosstalk cancellation, in a manner which relies on a new method for cancellation of apparent sources of inter-aural crosstalk. In the commonly owned Polk® SDA™ (prior art) method, the optimal distance between stereo pair main and effect (SDA) loudspeakers was required to be substantially equal to the ear-to-ear width of a typical user's head. Compact SDA speaker system 100 employs digital signal processing generating selected time delays to acoustically simulate the optimal placement of an effects transducer relative to its main transducer for a physically compact configuration having each side's “main” transducer (e.g., 108LMS) spaced at less than 5.5 inches from the side's corresponding SDA (or effects) transducer (e.g., 108LSS), and this permits the system enclosure to be surprisingly compact, (e.g., width of as little as 341.2 mm).
A headphone includes a housing defining an enclosed volume, an electro-acoustic transducer dividing the enclosed volume into a front volume and a rear volume, a first port in the housing coupling the front volume to an ear canal of a user, a second port in the housing coupling the front volume to space outside the ear, a third port in the housing coupling the rear volume to space outside the ear, and an ear tip configured to surround the first port and seal the ear canal from space outside the ear. The second port has a diameter and a length that provide an acoustic mass with an acoustic impedance with a high reactive component and a low resistive component.
Extendable speaker system
An extendable speaker system is provided with a base and lid that are connected via a plurality of concentric collapsible hollow bodies such as cylinders. A woofer speaker resides in the base. Mid range or tweeter speakers reside in the lid. The lid is displaced away from the base to expand the speaker system, where the extended cylinders provide an airtight seal between the base and lid forming a woofer speaker enclosure therein. Friction seals between the cylinders, a spring residing within the speaker enclosure, and the airtight speaker enclosure itself provide a collective force sufficient to maintain the speaker system in an extended configuration. A port is opened by depressing a button to vent the enclosure to allow for the speaker system to be collapsed. A locking system is provided to releasably maintain the speaker system in a collapsed configuration.
Curvable line array
A loudspeaker system includes a first flexible panel, a first line array of electro-acoustic drivers, and at least one mechanically adjustable point. The first line array of electro-acoustic drivers are mounted on the first flexible panel and linked to each other by flexible joints in the first flexible panel. The at least one mechanically adjustable point enables articulation of the first flexible panel at the flexible joints to produce one or more of a substantially straight and an arcuate configuration of the first line array of electro-acoustic drivers.
Wireless communication method and system
A wireless communication method includes sending, by a first device in a wireless network, a poll packet (32, 38, 44) for polling a second device in the wireless network. The poll packet includes an address of the second device. The second device receives and at least partially decodes the poll packet. The second device sends a response packet (36, 40, 46) in response to the poll packet. The sending of at least part of the response packet is substantially simultaneous with the receiving of at least part of the poll packet by the second device. Wireless communication systems, transmitters and receivers using the method are also described.
Time synchronizing of distinct video and data feeds that are delivered in a single mobile IP data network compatible stream
Multiple video and/or content feeds are combined and synchronized in real-time into a single mobile IP data network compatible stream for presenting as a coherent display on a mobile device.
Method and system for displaying interactive questions during streaming of real-time and adaptively assembled video
The present disclosure provides a system and method for enabling display of interactive questions during streaming of a real time, dynamic, adaptive and non-sequentially assembled video. The method includes reception of a set of preference data associated with a user and a set of user authentication data. In addition, the method includes serving of the assembled video based on the received set of preference data to the user in real time. Moreover, the method includes fetching of a pre-defined set of interactive questions. Further, the method includes posting of the pre-defined set of interactive questions during the serving of the assembled video. Furthermore, the method includes collection of the set of user feedbacks for a posted pre-defined set of interactive questions from the user.
Systems and methods for stitching advertisements in streaming content
Systems and methods for stitching advertisements in streaming content are disclosed. In some embodiments, a method comprises receiving one or more advertisements. An unmarked content item may be received, the unmarked content item comprising a stream-enabled video including a set of sequential black frames. An insertion point may be identified based on a location of at least one black frame of the set of sequential black frames without requiring user input, the insertion point identified during streaming of the unmarked content item to a consumer system, the insertion point being ahead of a current playback point of the unmarked content item streaming to the consumer system. The one or more advertisements may be stitched in the unmarked content item at the insertion point. The unmarked content item may be streamed to a consumer system until the insertion point is reached, and the one or more advertisements may be streamed to the consumer system when the insertion point is reached.
System and method for set-top-box messaging display
In a set-top-box system, messages from a service provider are stored and delayed until activity from a set-top-box remote is detected. Messages are then generated and provided to a television associated with the set-top-box. Delaying of the message display until set-top-box activity is detected allows short display times, thus preventing burn-in on some television screens, while providing a greater likelihood that messages will be viewed.
Systems and methods for implementing a timeline scroller to navigate media asset identifiers
Systems and methods are provided herein to ease the process of navigating media asset identifiers. Control circuitry may generate a timeline scroller that does not obscure media asset identifiers for simultaneous display with the media asset identifiers. When a user makes contact with the timeline scroller (e.g., by touching it with a finger on a touch screen device), control circuitry may responsively generate for display an indicator of a time corresponding with the point where the contact is made. Control circuitry may cause this indicator to be updated as a user scrolls along the timeline scroller. Control circuitry may refrain from updating the listings to correspond with the time until the user discontinues making contact with the timeline scroller (e.g., by removing the finger from the touch screen).
Systems and methods for associating communication devices with output devices
Systems and methods for pairing user devices to selected output devices are provided. Pairing can include providing information identifying a user device to a system authority, such as a remote communication interface server. In response to verifying that a user associated with the identified user device is authorized to use a selected output device, the information identifying the user device and a local player connected to the selected output device is provided to a local controller or server. The local controller then creates and maintains an association between the user device and the local player, allowing a user of the user device to cast content to an output device associated with the paired local player.
Methods, apparatus and systems for exchange of video content
Methods, apparatus, and systems for exchange of video content are provided. A media outlet device is provided with a media outlet application, and a user device of a user is provided with an interactive media application, the interactive media application enabling communications with the media outlet device via the media outlet application. Video content is recorded and encoded on the user device. An interactive map is displayed on a user interface of the media outlet device. The interactive map shows a current location of the user device. The purchase of the video content from the user is enabled via the user interface. The purchased video content is communicated from the user device to at least one of a central server and the media outlet device.
Extracting media content from social networking services
Systems and methods are disclosed for extracting media content from social networking services and presenting the extracted content to an IPTV (Internet Protocol Television) user in a personalized and easy-to-consume manner. One or more feeds from social networking services that contain data pertaining to the user's social graph are monitored by a service in the IPTV domain for media content that meets preset criteria and preferences of the user. A social networking dashboard application is hosted in the IPTV environment and includes a user interface arranged with tools to enable the user to set preferences and specify tags that control various aspects of the media content extraction. The service can also monitor the social networking feeds in a real-time manner that enables creation of a knowledge base that is usable to present media content “trends” to the IPTV user.
Display device and operating method thereof
A display device includes: a wireless communication unit configured to communicate to perform a screen mirroring function with a mobile terminal; a display unit configured to display a screen of the mobile terminal through the screen mirroring function; and a control unit configured to control the wireless communication unit and the display unit. If the mobile terminal receives a notification, while displaying a media content being played by the mobile terminal, the control unit displays a notification icon for representing that the notification is received.
Engagement tracking in computer data networks
An improved approach to tracking media playback includes tracking logic that is based on abandonment indicators. An abandonment indicator is detected during media playback, such as a user interaction with a computing device that is detected prior to ceasing playback of the media content. Tracking messages are reduced, suppressed, or suspended until an abandonment indicator is detected. After an abandonment indicator is detected, the system quickens, releases, or restart sending tracking messages to a collection system.
Picture combining method, terminal, and picture combining system
A method for creating a collage among members of a chat group of a social networking application is performed at a terminal, comprising: generating a first collage using a user-selected collage template after receiving a user-selected picture for a predefined location in the user-selected collage template; generating a configuration file used for describing the first collage; and submitting the first collage and the configuration file to the social networking application, wherein the social networking application is configured to forward the first collage and the configuration file to another member of the chat group when there are one or more blank sections in the first collage and the other member of the chat group is configured to update the first collage by adding at least one picture to one of the one or more blank sections until there is no blank section in the first collage.
System and method for asynchronous uploading of live digital multimedia with guaranteed delivery
A system for asynchronous uploading of digital multimedia with guaranteed delivery is provided. The system comprises at least one processor and a memory coupled to the at least one processor, the memory containing computer executable instructions that, when executed by the at least one processor, cause the system to attempt by at least one upload worker thread to transmit a first container to a remote server, execute by the at least one upload worker thread a data integrity test on the first container upon a successful upload of the first container, and repeat, if the data integrity test fails, the attempt and execute steps.
In-loop fidelity enhancement for video compression
An encoder for receiving a video frame and performing encoding processes to generate an encoded bitstream includes: a fidelity enhancement block, for performing a fidelity enhancement technique on processed data utilizing a partition method, and generating fidelity enhancement information comprising at least one parameter associated with a partition structure, wherein the fidelity enhancement technique comprises applying discrepancy modeling based on DC offset; and an entropy coding block, coupled to the fidelity enhancement block, for encoding the fidelity enhancement information, and embedding the encoded fidelity enhancement information into the encoded bitstream.
In an earliest vertical synchronization period after sending an encoded image data is restarted, a first reference image determination circuit determines to employ a local decoded image generated in a vertical synchronization period immediately preceding a vertical synchronization period in which an error occurs among multiple local decoded images stored in a first DRAM as a reference image. In an earliest vertical synchronization period after a decoding circuit is reset, a second reference image determination circuit determines to employ a decoded image generated in the vertical synchronization period immediately preceding the vertical synchronization period in which the error occurs among multiple decoded images stored in a second DRAM as a reference image.
Tracking a reference picture on an electronic device
Methods, systems, and apparatus, including computer-readable media, for decoding a video bitstream. A computer-readable medium includes a bitstream stored in the computer-readable medium, the bitstream comprising a wrap indicator, wherein the wrap indicator is used to determine a picture order count (POC) cycle parameter for one or more long term reference pictures in a decoded picture buffer based on a designated picture; wherein the POC cycle parameter indicates a decoded picture set which includes a first long term reference picture; and wherein a current picture is encoded based the first long term reference picture.
Moving picture encoding method and decoding method considering motion vectors of blocks adjacent to target block
Decoding method for a moving picture included in a coded stream, including: determining whether a prediction mode (PM) of a target block (TB) is a PM in which motion vector (MV) is not transmitted from an encoding to decoding side, based on coded stream included information; and executing a decoding process when the PM of the TB is determined as the PM in which MV is not transmitted from an encoding to decoding side, wherein a calculation method of a MV used in the second step is selected among plural calculation methods including at least: a first method to select one MV among MVs used in plural adjacent blocks adjacent to the TB; and a second method to calculate a MV based on a MV used in a block that is located at the same position as the TB in another frame positioned backward of a frame including the TB.
Systems and methods for intra-block copy
Techniques and systems are provided for encoding and decoding video data. For example, a method of encoding video data includes obtaining video data at an encoder, and determining to perform intra-picture prediction on the video data, using intra-block copy prediction, to generate the plurality of encoded video pictures. The method also includes performing the intra-picture prediction on the video data using the intra-block copy prediction, and, in response to determining to perform the intra-picture prediction on the video data using the intra-block copy prediction, disabling at least one of inter-picture bi-prediction or inter-picture uni-prediction for the plurality of encoded video pictures. The method also includes generating the plurality of encoded video pictures based on the received video data according to the performed intra-block copy prediction.
Transmitting method for transmitting a plurality of packets including header information including divided data information and a value of an invalidated fragment counter
A transmitting method includes: dividing data into a plurality of divided data; configuring a plurality of packets by allocating header information to each of the plurality of divided data and packetizing the plurality of divided data; and transmitting the plurality of configured packets, wherein the header information allocated to each of the plurality of divided data includes (i) divided data information and (ii) a value of an invalidated fragment counter, the divided data information being related to divided data numbers and a number of the plurality of divided data, the divided data numbers indicating an order of each of the plurality of divided data.
Method and device for sharing a candidate list
The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
System and method for estimating view synthesis distortion
System and method embodiments are provided for achieving improved View Synthesis Distortion (VSD) calculation and more accurate distortion estimation of encoded video frames. An embodiment method includes obtaining a depth map value for a video frame and determining a weighting factor for depth distortion in accordance with the depth map value. The weighting factor maps a pixel range of the depth map value to an output function having higher values for closer image objects and lower values for farther image objects. The VSD for the video frame is then calculated as a function of absolute horizontal texture gradients weighted by a depth distortion value and the weighting factor determined in accordance with the depth map value.
Method, apparatus and system for encoding and decoding the transform units of a coding unit
Disclosed is method of decoding, from a video bitstream, a transform unit containing at least one chroma residual coefficient array associated with a single chroma channel. The method determines a size of the transform unit related to a hierarchical level of the transform unit in a corresponding coding unit, and identifies a maximum number of inverse transforms according to the determined size. The method decodes from the video bitstream the at least one chroma residual coefficient array using the identified maximum number of transforms, selects an inverse transform for the decoded chroma residual coefficient arrays, the inverse transform being selected from a predetermined set of inverse transforms, and applies the selected inverse transform to each of the chroma residual coefficient arrays to decode chroma residual samples for the chroma channel of the transform unit. A similar encoding method is also disclosed.
Transform and quantization architecture for video coding and decoding
A method of encoding a video stream in a video encoder is provided that includes computing an offset into a transform matrix based on a transform block size, wherein a size of the transform matrix is larger than the transform block size, and wherein the transform matrix is one selected from a group consisting of a DCT transform matrix and an IDCT transform matrix, and transforming a residual block to generate a DCT coefficient block, wherein the offset is used to select elements of rows and columns of a DCT submatrix of the transform block size from the transform matrix.
General block partitioning method
A method of partitioning in video coding for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT) structure that can have quadtree or binary partitioning of the root node and quadtree or binary trees branching from each of the leaf nodes. The partitioning at any depth can use asymmetric binary partitioning to split a child node represented by a leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the parent leaf node and coding the child coding units represented by final leaf nodes of the binary tree with JVET. Disclosed is a generalized method of partitioning a block, either square or rectangular, which leads to more flexible block sizes with possible higher coding efficiency.
Method and apparatus for encoding/decoding image information
A deblocking filtering method, a boundary strength (bS) deriving method, and encoding/decoding method and apparatus using the methods are provided. The bS deriving method includes the steps of: deriving a boundary of a deblocking filtering unit block which is a unit block on which deblocking filtering is performed; and setting a bS for each bS setting unit block in the deblocking filtering unit block. Here, the step of setting the bS includes setting a bS value of a target boundary corresponding to the boundary of the deblocking filtering unit block as the bS setting unit block.
Three-dimensional image display method and three-dimensional image display device
A 3D image display method and a 3D image display device are provided. The 3D image display method comprises: receiving an image signal of an image to be displayed; for a predetermined disturbed pixel in a display panel corresponding to a liquid crystal phase disorder region between adjacent lens units in a plurality of lens units of a liquid crystal lens, converting the image signal into a 3D image signal for displaying a black image in the disturbed pixel; and sending the converted 3D image signal to the display panel for displaying. An pixel whose emitting light is directed to the liquid crystal phase disorder region of the liquid crystal lens is set to display a black image, which can remove the light directed to the liquid crystal phase disorder region of the liquid crystal lens, and then avoid the phenomenon of crosstalk and distortion in a crosstalk region, thereby enlarging the entire viewing region of the 3D image.
Wearable 3D augmented reality display
A wearable 3D augmented reality display and method, which may include 3D integral imaging optics.
Focus scanning apparatus
A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
Imaging system comprising real-time image registration
A multi-camera imager (MCI) configured to register a first image of a scene acquired by a first camera comprised in the MCI to a second image of the same scene acquired by a second camera in the MCI based on adjusting a transform configured to register images of a calibration target acquired by the first and second cameras for a same fixed position and orientation of the calibration target using epipolar line segments in one of the cameras associated with image plane coordinates in the other of the cameras.
Method and apparatus for generating virtual or augmented reality presentations with 3D audio positioning
An apparatus for generating a 3D presentation is described wherein the 3D presentation (that could include a 3D movie, a VR (virtual reality) and/or an AR (augmented reality) content) from original 3D content including original audio and visual components, forming a plurality of scenes, each scene being associated with a respective environment or environments having respective audio characteristics. The original audio components in at least some of the scenes are modified by the apparatus to conform with or compensate for the acoustic characteristics of the respective scene and/or the environment of the location where the presentation is taking place.
Multifocal test system
A multifocal test system is described herein. The system includes a plurality of displays located at different focal distances. Each display includes a plurality of pixels with pixel intensity values. The system includes an eye tracking system that determines eye tracking information about a position of an eye relative to the displays. A controller is configured to determine pixel intensity values based on decomposition of a scene across the plurality of displays, and the position of the eye.
Method and apparatus for providing personal 3-dimensional image using convergence matching algorithm
Disclosed herein are a method and apparatus for providing a personalized three-dimensional (3D) image. The apparatus for providing a personalized three-dimensional image using convergence matching may include a fixed screen set as a horopter region, a calculation unit configured to calculate a shift value of an image projected onto the screen based on a distance from a virtual stereo camera to a target object, a convergence matching unit configured to match a convergence angle to the horopter region based on the shift value, and a controller configured to control the convergence matching unit to maintain the convergence angle when a user's gaze is shifted to a nearby object having the same depth value as the target object.
Method for processing a digital image, device, terminal equipment and associated computer program
A method for processing a digital image for rendering on a display. The image includes image elements associated with color information represented in a colorimetric space having a luminance and chrominance components. The luminance component has a value in a first predetermined interval. The display can render values of luminance components included in a second predetermined interval, of greater length than the first interval. The method includes: determining information representative of image brightness perceived by an observer, based on the values of the first luminance component; calculating an expansion exponent as a function of the determined brightness information; transforming the first luminance components into second luminance components, including calculating an intermediate luminance value by applying the calculated expansion exponent to the first luminance component value and multiplying the intermediate value by the length of the second interval. The expansion exponent is a decreasing function of the determined brightness information.
Electronic flash, electronic camera and light emitting head
An electronic camera having an electronic flash including a plurality of light emitting diodes (LEDs) that emit different wavelength light is disclosed. Electric energy is supplied to a capacitor to the LEDs. A system controller controls light emitting amounts of the LEDs so that a color temperature of the electronic flash light becomes a color temperature that has been manually set with a color temperature setting switch or a color temperature of a light source determined by color temperature sensors.
Invisible or low perceptibility of image alignment in dual projection systems
A dual projection system can align displayed images using an alignment pattern. The alignment pattern can be used to modify part of an image content frame of an image data sequence. Two image data sequences can be spatially aligned based on the modification to part of the image content frame using the alignment pattern. An image content frame may be warped and displayed. The displayed warped image content frame can be captured. A set of transformation vectors can be determined based on the captured image content frame and alignment image data. Stored transformation data can be updated using the set of transformation vectors and the updated transformation data can be used to spatially align two image data sequences.
Data center raised floor monitoring
One or more aspects relates to monitoring conditions under a raised floor in a data center. A grid of raised floor tiles has regular floor tiles interspersed with sensor floor tiles. The sensor floor tiles include: one or more sensors to monitor conditions under the raised floor; and one or more cameras to collect images of conditions under the raised floor. A sensor controller is used to locate a sensor tile with a sensor condition that is out-of-band from a reference condition band; and an image controller is used to locate an image difference corresponding to the out-of-band sensor condition.
Display device with gradually changing driving frequency and method for driving the same
A display device includes: a display panel; and a frequency controller which receives an image data signal and an input frequency information and outputs the image data signal and a timing control signal. The frequency controller includes: an image processor which receives the image data signal; a frame memory which stores the image data signal; an output frequency determining unit which receives the input frequency information and determines an output frequency based on a variation amount of the input frequency; and an image output unit which receives the image data signal from the image processor, receives an output frequency information from the output frequency determining unit, and outputs the image data signal and the timing control signal. When an input frequency varies, the output frequency determining unit determines the output frequency based on the following equations: K = FREQ - P_FREQ M_FREQ × SLOPE + OFFSET , and FREQ ′ = FREQ × K + P_FREQ × ( 1 - K ) .
Projection apparatus and operating method thereof
An electronic device includes a projector, an operating method of an electronic device including a projector, and a non-transitory computer-readable recording medium having recorded thereon instructions for performing the operating method. The electronic device includes a communicator configured to exchange data with an external device, a projector configured to project light; a sensor configured to measure a degree of proximity between the electronic device and an installation surface on which the electronic device is to be installed, and a controller configured to control the communicator and/or the projector based on the degree of proximity measured by the sensor.
Comparator for double ramp analog to digital converter
Apparatuses and method for an image sensor with increased analog to digital conversion range and reduced noise are described herein. An example method may include disabling a first auto-zero switch of a comparator, the first auto-zero switch coupled to auto-zero a reference voltage input of the comparator, adjusting an auto-zero offset voltage of a ramp voltage provided to the reference voltage input of the comparator, and disabling a second auto-zero switch of the comparator, the second auto-zero switch coupled to auto-zero a bitline input of the comparator.
Image sensor readout circuitry including analog-to-digital conversion with hybrid counter structure
A readout circuit for use with an image sensor includes a comparator coupled to compare a ramp signal from a ramp generator with an output signal from a pixel of a pixel array. A counter is coupled to the comparator to count until the comparator detects that a ramp signal value has reached an output signal value. The counter includes K cascade-coupled dynamic flip-flop circuits to generate the K least significant bits (LSBs) of the N-bit output of the counter. The counter also includes N-K cascade-coupled static flip-flop circuits to generate the N-K most significant bits (MSBs) of the N-bit output of the counter. A latch is coupled to the counter to store a count value generated by the counter after the ramp signal value has reached the output signal value.
Image sensor for focus detection
An image sensor includes: a plurality of large-defocus detection pixel pairs configured to be used when a displacement of a focus is greater than a predetermined value; and a plurality of normal pixels arranged in a substantially matrix shape and configured to acquire an image. A large-defocus detection line including the large-defocus detection pixel pairs is provided for each of a predetermined number of lines, and on each of the large-defocus detection lines, the plurality of large-defocus detection pixel pairs are configured as a plurality of exit pupil distance-supporting large-defocus detection pixel pairs corresponding to different exit pupil distances.
Digital imaging with masked pixels
In one application, an imaging device includes an image sensor having an array of pixels, and a mask coupled with the image sensor. The mask is configured to darken a plurality of isolated pixels or groups of pixels interspersed within the array of pixels. The imaging device also includes a processor coupled with the image sensor and configured to receive image data from the image sensor, and determine a dark current fixed pattern noise based on the image data received from the plurality of darkened pixels or groups of pixels.
Image capture at multiple resolutions
A device for capturing an image includes an image sensor having a plurality of sensing elements and a control circuit. The control circuit is configured to receive a first group of image signals from a first portion of the plurality of sensing elements using at least a first binned read mode; receive a second group of image signals from a second portion of the plurality of sensing elements using a non-binned read mode; generate a first image based on at least the first group of image signals and the second group of image signals; and generate a second image based on the second group of image signals.
Photographing method and apparatus
A photographing method includes entering the slow shutter photographing mode, dividing each frame of image of the photographed object into a light trail region, a background light source region, and a non-light-source region, merging the light trail regions of the frames of images, setting a merged light trail region as a light trail region of a target image, setting the background light source regions of one or more of the frames of images as a background light source region of the target image to avoid overexposure, merging the non-light-source regions of one or more of the frames of images, setting a merged non-light-source region as a non-light-source region of the target image to enhance brightness of the non-light-source region, and storing the target image after obtaining a photographing instruction.
Image pickup system and signal processing apparatus
An image pickup system includes: a camera including a first image pickup unit and a second image pickup unit; and a processor configured to: define a first common area in a first image and a second common area in a second image, respectively; detect brightness of an image in the first common area; detect brightness of an image in the second common area; adjust brightness of the first image based on the brightness of the image in the first common area; and adjust brightness of the second image based on the brightness of the image in the second common area.
Dual aperture zoom digital camera
A dual-aperture zoom digital camera operable in both still and video modes. The camera includes Wide and Tele imaging sections with respective lens/sensor combinations and image signal processors and a camera controller operatively coupled to the Wide and Tele imaging sections. The Wide and Tele imaging sections provide respective image data. The controller is configured to combine in still mode at least some of the Wide and Tele image data to provide a fused output image from a particular point of view, and to provide without fusion continuous zoom video mode output images, each output image having a given output resolution, wherein the video mode output images are provided with a smooth transition when switching between a lower zoom factor (ZF) value and a higher ZF value or vice versa, and wherein at the lower ZF the output resolution is determined by the Wide sensor while at the higher ZF value the output resolution is determined by the Tele sensor.
Image generating apparatus, imaging observing apparatus, imaging apparatus, and storage medium storing image processing program
An image generating apparatus includes a first generator configured to obtain a first image using a first camera with a first angle of view, a second generator configured to obtain a second image using a second camera with a second angle of view wider than the first angle of view, and a generator configured to generate an observation image using the first image and the second image. The observation image is observable as a double image in which the first image and the second image are superimposed on each other in an area that contains a center of the first image.
Multi-video navigation system
A video tracking system includes a user interface configured to facilitate tracking of a target between video cameras. The user interface includes user controls configured to assist a user in selecting video cameras as the target moves between fields of view of the video cameras. These user controls are automatically associated with specific cameras based on a camera topology relative to a point of view of a camera whose video data is currently being viewed. The video tracking system further includes systems and methods of synchronizing video data generated using the video cameras and of automatically generating a stitched video sequence based on the user selection of video cameras. The target may be tracked in real-time or in previously recorded video and may be track forward or backwards in time.
Service system, information processing apparatus, and service providing method
A service system includes a mobile terminal and an information processing device capable of communication via a network. The mobile terminal includes a first transmission unit that transmits spherical images taken in respective imaging locations and positional information about the imaging locations to the information processing device. The information processing device includes a reception unit that receives the spherical images transmitted by the first transmission unit; a map data obtaining unit that obtains map data from a map data storage, the map data including the imaging locations of the spherical images; a path information creation unit that creates information about a path made by connecting the imaging locations in the map data obtained by the map data obtaining unit; and a content providing unit that makes content available for a request through the network, the content including the map data, the information about the path, and the spherical images.
Pose estimation of 360-degree photos using annotations
This technology relates to optimizing location and orientation information of an image using known locations of places captured within the image. For example, an image and associated pose data including the image's orientation and location may be received. One or more places captured within the image may be determined, with each place having a respective known location. The image may be annotated with the one or more places. A difference between each annotation and its respective known location to obtain updated pose data of the image may be minimized and the associated pose data may be updated to the updated pose data.
Method and system for recommending optimum position of photography
Provided is a method and system for recommending an optimal position of photographing. A optimal position-of-photographing recommendation method may include executing, at an electronic device, and controlling a camera included in the electronic device under control of a photography application executed on the electronic device; calculating, at the electronic device, a photograph angle of the electronic device based on sensor information provided from a sensor of the electronic device under control of the photography application; comparing, at the electronic device, the calculated photograph angle to a desired angle range that is managed by the photography application, under control of the photography application; and outputting, at the electronic device, notification data in response to the calculated photograph angle being included in the desired angle range, under control of the photography application.
Distance information producing apparatus, image capturing apparatus, distance information producing method and storage medium storing distance information producing program
The distance information producing apparatus includes a distance information producing unit producing, on a basis of a phase difference between paired image signals for phase difference detection obtained by image capturing of an image capturing area, distance information showing a distribution of object distances in the image capturing area, and a reliability information producing unit producing reliability information showing a reliability of the distance information, by using at least one of an evaluation value relating to an edge of at least one of the paired image signals, an evaluation value relating to a contrast of the at least one of the paired image signals and an evaluation value relating to a degree of correlation between the paired image signals.
Medical imaging processing apparatus for a virtual endoscope image
One or more medical image processing apparatuses, methods for same and storage mediums are provided herein. At least one medical image processing apparatus obtains a medical image including a tubular structure picked up by a medical image pickup apparatus and generates a virtual endoscope image of the tubular structure on the basis of the obtained medical image. The obtained medical image accepts a specification of a target portion on the tubular structure, performs control to generate a cross-sectional image of the target portion on a cross section observation line indicating a cross section of the target portion from the medical image and displays the cross-sectional image.
Image formation with thickness variation of high transmittance color material applied on medium generating interference fringes
An object is to reduce coloring of specular reflection while improving gloss uniformity (particularly, gloss clarity). Recording is performed at least part of a surface of a recording medium by using a first color material with relatively high transmittance. In this case, control is performed such that thickness variation in the applied first color material is set to have an amplitude that generates interference fringes and to have a desired cycle within a range of 40 μm or more and 320 μm or less.
Using three-dimensional threshold matrices in the production of three-dimensional objects
Certain examples described herein relate to the use of three-dimensional threshold matrices in the production of three-dimensional objects. In one case, data values for a three-dimensional matrix for use in halftoning are assigned based on a structural volume coverage representation. In certain described cases, the structural volume coverage representation defines a probabilistic distribution of at least two different structures available for the production of the three-dimensional object. A comparison is performed based on data values for the structural volume coverage representation. The output of the comparison is a data value to be assigned to the three-dimensional matrix. The resultant three-dimensional matrix is used in a halftoning operation to control a structure distribution in the three-dimensional object.
Image forming apparatus
This image forming apparatus includes an image reading portion, an image forming portion, a feature image extraction portion, a continuousness determination portion, and an error notification portion. The feature image extraction portion extracts predetermined feature images from a plurality of respective page image data pieces. The continuousness determination portion determines whether or not each of the feature images of one or more respective target-page image data pieces satisfies a predetermined continuousness condition relative to the feature image of a previous-page image data piece. The error notification portion outputs an error notification including discontinuousness position information indicating one or both of a page-reading turn corresponding to the target-page image data piece determined not to satisfy the continuousness condition, and a turn immediately before the page-reading turn.
Image forming apparatus including a charge processing section and an operation section
Provided is an image forming apparatus including a charge processing section and an operation section that are brought closer in height to each other, thus improving the operability of a user.An image forming apparatus (100) includes a coin insertion processing section (110), an operation panel (120) and an electrophotography printer (130). The coin insertion processing section (110) is configured to accept money and then execute charge processing so as to permit image formation by the image forming apparatus (100). The operation panel (120) is configured to, when the coin insertion processing section (110) executes the charge processing, accept setting of image formation by the image forming apparatus (100). The electrophotography printer (130) is configured to form an image of the read image data based on setting at the operation panel (120). The coin insertion processing section (110) is disposed at a height equal to a height of the operation panel (120).
Wireless service card having machine readable codes and device and process for use therewith
A process for authorizing wireless service includes providing a generally rectangular flat form factor card having a first surface and opposing second surface. The process further includes providing a machine-readable activation code arranged on the first surface, wherein the machine-readable activation code is configured to authorize the wireless service when provided to a system associated with a wireless service provider, receiving the machine-readable activation code in a server, the machine-readable activation code being captured by a wireless device, and provisioning the wireless service to the wireless device from a wireless network when the machine-readable activation code is provided to the system associated with the wireless network.
Utilizing caller wait time to create social message
A method, system and computer program product for utilizing a caller wait time. When the caller's estimated wait time exceeds a threshold amount of time, an interactive voice response (IVR) system retrieves information (e.g., caller's previous purchases) about the caller. The IVR system then initiates a dialog with the caller to determine their experience with a product or service by prompting the caller with questions derived from the retrieved information. After recording the responses by the caller to the questions, the IVR system generates social media content based on the caller's responses. The IVR system then converts the text of the generated social media content to an audible version, which is provided to the caller to approve the posting of the social media content. The social media content is posted on a social media stream in response to the caller approving the posting of the social media content.
Techniques for workforce management in a contact center system
Techniques for workforce management in a contact center system are disclosed. In one particular embodiment, the techniques may be realized as a method for workforce management in a contact center system comprising generating historical workforce data regarding an agent workforce capacity of the contact center system, and initiating an increase or decrease to an agent workforce of the contact center system based at least in part on the historical workforce data to increase an amount of choice among available agents or waiting contacts.
System and method for integrated CX-AX contact center testing
A system comprising a call center, contact system test engine, plurality of networks, at least one remote server, at least one remote database, which allows users to automate call center testing and combine synchronized results for agent-customer calls (AX-CX test synchronization). The system is further accomplished with methods, using different techniques for synchronizing the testing for both customer and agent results, and producing these test results in a mobile dashboard and web-accessible dashboard.
Driving without distraction support system
A processor-implemented system for supporting use of a reduced driving distraction program on a mobile device is disclosed. The system detects whether the mobile device is in a moving vehicle. If so, a driving mode is set in which driving is determined to be protected driving if the reduced distraction program is being followed and unprotected if the reduced distraction program is not being followed. The system then tracks unprotected driving and protected driving and aggregates the unprotected driving and protected driving. A party is then notified regarding the aggregation of unprotected driving and protected driving. Other drivers can be asked to join the reduced driving distraction program and awards can be given to drivers for meeting pre-determined milestones of protected driving. Either the mobile device or a remote computer may aggregate driving and send notifications.
Realization method and apparatus for operation function in two-way radio, and two-way radio terminal
The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal. According to the method, the apparatus for implementing an operation function in the radio, and the radio terminal, the limitations of hardware conditions in the radio can be shielded, so that the implementation efficiency of the operation function in the radio is improved.
Mobile terminal and method for controlling the same
Disclosed are a mobile terminal and method for controlling the same. Particularly, the present invention provides a mobile terminal including a grip sensor, a display unit, and a processor. In this case, the processor may be configured to sense a first input with a predetermined area through the grip sensor in a state in which the mobile terminal is gripped by a user and display a first menu icon at a first point corresponding to the first input on the display unit after sensing the first input.
Integrated personal digital assistant device
A mobile computing device is disclosed. In some aspects, the mobile computing device may execute a first application using one or more processors, and may receive, during execution of the first application, a user selection of a shift key. The mobile computing device may transition a state of the shift key from an unlocked non-shift state to a shift state based on the user selection. The mobile computing device may change the execution of the first application to an execution of a second application, and clear the state of the shift key in response to changing the execution from the first application to the second application.
Headset system for use in a call center environment
A headset system for use with especially in a call center environment, in which method a wireless connection is established between headset and base unit, and the wireless connection is maintained while indicating from a headset user interface to the base unit that the headset is available for receiving an incoming call. The headset system is connected to a telephone system and has a processor configured to receive mode information and to operate according to the received mode information. The headset has a headset user interface and controls the headset signal processor to operate in accordance with user input. The headset is further configured to provide the end-of-call information to the base unit while maintaining the wireless connection.
Measurement and tuning of hands free telephone systems
An arrangement is described for measuring performance characteristics of a hands free telephone system. There is a measurement system which is coupleable over a telephone audio interface directly to the hands free telephone system for measuring the performance characteristics.
Electronic device and method for controlling the electronic device thereof
Provided herein are an electronic device and a method for controlling the electronic device, the electronic device including a display including a main display area arranged on a front surface of the electronic device and a sub display area that extends from one side of the main display area and arranged on at least one area of a rear surface of the electronic device; a receiver including audio output circuitry configured to output audio received from an external terminal; a display antenna located on one or more of the main display area and the sub display area, and configured to perform communication with an external terminal; and a processor configured to control the display antenna based on a network state or a type of an application being executed.
Speed and accuracy of computers when resolving client queries by using graph database model
A computer-implemented method of improving a speed and an accuracy of a server computer executing a chat bot using a processor. An input is received at the chat bot at the server computer from a client computer over a network. The input is parsed using a natural language engine into one or more keywords. The one or more keywords are assigned to one or more part of speech tags. All of the input is stored as a profile into a non-transitory computer recordable storage medium. The graph database model is traversed, with traversing including comparing the profile to nodes in the graph database model and using relationships among the nodes as part of the comparing, and wherein traversing ends at a root node in the graph database model. A solution stored in the root node is returned to the client computer, by the processor and over the network.
Distributed and transactionally deterministic data processing architecture
A data transaction processing system including multiple transaction processors also includes an active transaction receiver that sequences all incoming messages from various sources to facilitate transactional determinism, as well as a results arbiter to efficiently decide which transaction processor result to choose as the correct output. The data transaction processing system minimizes overall latency by optimizing which transaction processors and results arbiters are responsive to specific client computer input requests or messages.
Method for controlling cooperation of multiple intelligent devices and apparatus thereof
A method for controlling an intelligent device and an apparatus thereof, which relate to the technical field of the internet of things, are provided. The method includes: receiving a first intelligent device identification and first intelligent device state information transmitted by a first intelligent device; determining a second intelligent device associated with the first intelligent device and a first target operation corresponding to the first intelligent device state information based on the first intelligent device identification, the first intelligent device state information and a social application account which is currently logged into; and transmitting a control message to the second intelligent device based on a second intelligent device identification and the first target operation, such that the second intelligent device performs the first target operation.
System and method for defining virtual machine fabric profiles of virtual machines in a high-performance computing environment
Systems and methods for defining virtual machine fabric profiles of virtual machines. An exemplary embodiment can provide a virtual machine identifier, a virtual host channel adapter instance ID, and a virtual globally unique identifier. The virtual machine identifier, virtual host channel adapter instance ID, and virtual globally unique identifier can be mapped to each other so that the virtual host channel adapter instance ID, and virtual globally unique identifier can be retrieved through access to the virtual machine identifier. Further, a relationship can be created between a P_Key that defines an admin partition and the virtual globally unique identifier, where the relationship between the P_Key and the virtual globally unique identifier defines the virtual globally unique identifier as a member of the admin partition defined by the P_Key.
Single solution for user asset control
A system provides a way for a person to control access to digital assets, including financial accounts, through a common gateway that can interact on the person's behalf with service providers that manage the digital assets. Brokers may act as intermediaries between the gateway and the service providers, providing a common interface to the gateway and a specific interface to a service provider. Trigger events can cause the gateway to interact with the service providers, causing the service providers to take a desired action. The trigger events may include notification sent by the person, timed events, and other detected events.
Method and apparatus for reducing network resource transmission size using delta compression
A method and computing device for delta compression techniques for reducing network resource transmission size are described. A first version of a network resource is received. The first version of the network resource is stored regardless of a directive that a cached version is not to be used to respond to a future request for that network resource. A first request for the network resource is received. A second request for the network resource is transmitted, to a second computing device. A response including a set differences between the first version of the network resource with a most current version of the network resource is received from the second computing device without receiving the entire network resource. An updated version of the network resource is transmitted to the client device, where the updated version is generated by applying the set of differences to the first version of the network resource.
Proxy for monitoring special handling of content within a service network
A device intercepts a request from a requesting device, and the request includes a network address or a universal resource locator (URL) for content. The device determines whether special handling is applicable when forwarding the content to the requesting device. The device establishes a session between the content device and the requesting device, and the session exchanges data via a pathway that includes a proxy. The proxy identifies data, including the requested content, exchanged in the session and determines whether the special handling was used when forwarding the data. The proxy forwards reporting data identifying the exchanged data and indicating whether the special handling was used when exchanging the data through the session.
Method and apparatus for web based storage on-demand
The operation efficiency of a large scale distributed computing system across the world wide web is critical to any enterprise or ISP or ASP operation due to a larger number of various different computing units involved. The introduction of a service pool construction protocol can help enterprise, ISP and ASP to achieve a high degree of automation for creating and managing different service pools in respect to the needs for storage capacity, in the large scale distributed computing system.
Terminal connection device, processing information execution system, processing information execution method
A terminal connection device includes: a storage unit configured to store a priority based on a type of processing information for performing input or output of information; a communication unit configured to receive from another device a processing request in which the processing information is identified; and an input and output path assignment unit configured to acquire, when the communication unit has received the processing request, the type of the processing information identified in the processing request, to identify, by using an external processing information priority, which is a priority based on the type, and candidates of usable input and output paths for each piece of the processing information, the input and output path for executing the processing information relating to the processing request, and to assign the processing information to the identified input and output path.
Live migration of probe enabled load balanced endpoints in a software defined network
Methods, systems, and devices are described herein for modifying the monitoring of the health of a data center IP endpoint (such as VM) during live migration of the data center IP endpoint from a source host to a destination host. In one example, the described techniques may include receiving an indication that a virtual machine is going to be live migrated from a source host to a destination host. Next, evaluation of health probe responses originating from the virtual machine may be suspended for a time period. The time period may be selected based on the live migration. The evaluation of the probe responses originating from the virtual machine may be resumed upon completion of the time period. In some cases, a health probe status of the virtual machine may be migrated from the source host to the destination host.
Partially replicating a snapshot between storage systems
Synchronizing snapshots between storage systems, including: receiving, from a source storage system, an identification of a snapshot to be replicated to a destination storage system; identifying, from hint information stored on the destination storage system, a most recent version of the snapshot that is stored on the destination storage system; issuing, to the source storage system, a request for an identification of the differences between the snapshot to be replicated to the destination storage system and the most recent version of the snapshot that is stored on the destination storage system; receiving, from the source storage system, the identification of the differences; and issuing a request to transfer, from the source storage system to the destination storage system, data associated with the differences.
Systems and method for processing request for network resources
Systems and methods for processing requests associated with network resources and/or virtualization services are provided. A request associated with one or more network resources may be received, and a set of one or more tags associated with the request may be identified. A representative value for the set of one or more tags may then be determined utilizing, for example, a hashing operation or a compression function. The representative value may be associated with a request prior to the request being processed by at least one network server. Subsequently, the set of one or more tags may reconstructed based at least in part upon the representative value in order to facilitate the generation of one or more reports, such as billing reports or resource usage reports.
Signal generating method, signal generating unit, and non-transitory recording medium storing computer program
One aspect of the present disclosure relates to a signal generating method for generating a visible light signal. A signal generating method includes: a step SD11 of determining, as a method for transmitting a visible light signal from a transmitter, one of a single-frame transmitting method for transmitting data as one frame and a multiple-frame transmitting method for transmitting the data while dividing the data into a plurality of frames; a step SD12 of, when the multiple-frame transmitting method is determined, generating partition type information indicating a type of data to be transmitted, and generating combination data by adding the partition type information to the data to be transmitted; a step SD13 of generating the plurality of frames each of which includes each of a plurality of data parts by dividing the combination data into the plurality of data parts; and a step SD14 of generating the visible light signal by adding a preamble to a head of each of the plurality of frames.
Migrating an on premises workload to a web services platform
Techniques are disclosed for migrating a computer application from an entity's premises to a web services platform. Data from multiple sources on the entity's premises is gathered and normalized into a common format. The normalized data is used to create a topology of the network on the entity's premises. This topology is analyzed to determine whether a computer application executing on the entity's premises may be migrated to the web service platform.
Method and system for iterative pipeline
Method, system, and programs for data processing. In one example, a record is received. The record is separated into multiple partitions. Each partition is submitted to an iterative pipeline, wherein the iterative pipeline comprises two or more processing stages that are run in parallel and one of the multiple partitions passes through one of the two or more processing stages in one iteration. The multiple partitions are passed through two or more processing stages. The partitions that have passed through each of the two or more processing stages are merged.
Methods, systems and media for presenting a virtual operating system on a display device
Methods, systems, and media for presenting a virtual operating system on a display device are provided. In some implementations, a method for presenting a virtual operating system user interface (Virtual OS UI) is provided, the method comprising: receiving a request to provide the virtual OS UI for a display coupled to a media receiving device; selecting applications; generating the virtual OS UI including the applications; causing the media receiving device to present the virtual OS UI on the display; receiving signals from a remote control to select a second application; executing the second application; causing the media receiving device to present the second application on the display; receiving signals from the remote control to select media content; causing the media receiving device to request the selected media content; and causing the media receiving device to present the requested media content using the display.
Custom back-end functionality in an online web site building environment
Disclosed embodiments relate to online website building using customized back-end functionality. Operations include maintaining an online database configured to store a library of website building elements for configuring a front-end of an indexable web page; transmitting instructions to a browser permitting a user to remotely access the stored library, and to permit the user to utilize a selection of the building elements for constructing the front-end of the indexable webpage; receiving specifications from user to configure a programmable event for activating user-editable code providing customized back-end functionality associated with the indexable webpage; receiving user edits to the code; storing the edited code; and in response to a trigger associated with the programmable event, executing the edited code for implementing the customized back-end functionality.
A digital broadcast network is provided in which multiple original experiences powered by the same data is created. A server software intelligently handles delivery of data so that the data can be utilized by several different client-side applications at substantially the same time. Through filtering of large amounts of data and creation of a universal format, this data can be used by devices capable of receiving a digital broadcast stream.
Contact information distributor
A computer receives contact information associated with one or more users and stores said contact information in a database. The computer detects a conference call and determines which users are present at the conference call. The computer determines whether the users already share contact information with one another and, if not, the computer determines whether contact information of a user should be distributed based on recorded usage patterns. Based on determining that contact information of the user should not be distributed based on usage patterns, the computer is further capable of determining whether the user wishes to share contact information with other participating users via user input. Based on determining that the first user would like to share their contact information with other participating users, the computer provides the other participating users access to the contact information of the first user and records usage patterns detailing the conference call.
Method and software for enabling n-way collaborative work over a network of computers
Method, software, and system for efficiently enabling n-way collaborative work using common software over a network of computers. In a preferred embodiment of the invention, each participant in a collaborative session starts up a common software application, which includes a collaboration component. This collaboration component is used to establish a common session that includes all interested parties. The collaboration component replicates operations performed on any one instance of said application to all other instances participating in the same session, so the effect is as if all members of the session were sharing a single instance of the application on a single computer. In one aspect, the collaboration component also supports broadcast of audio and video over a computer network, to enable session participants to see and/or hear each other, and further includes other features that support collaborative work.
Distributed adaptive bit rate proxy system
A distributed adaptive bit rate (ABR) proxy system may include a gateway device that includes a first transcoder and is configured to receive segments of a content item from an ABR server, and a secondary device that includes a second transcoder and is configured to receive the segments of the content item from the gateway device. The first transcoder may transcode the segments based at least in part on a first ABR profile to generate first transcoded segments, and the second transcoder may transcode the segments based at least in part on a second ABR profile to generate second transcoded segments. The gateway device may advertise the first and second ABR profiles to user devices and may transmit the first transcoded segments to the user devices in response to requests therefor. The secondary device may transmit the second transcoded segments to the user devices in response to requests therefor.
Reducing network protocol overhead
A telecommunications network includes a telephony application server (TAS). In some examples, the TAS receives, from a terminal, a session-initiation request identifying a called party. The TAS sends structured text (e.g., XML, or JSON) identifying the called party (e.g., data of an anyTimeInterrogation query payload) to an information server (e.g., an HLR), which responds with structured text of a destination-terminal address dynamically bound to a terminal associated with the called party (e.g., data of a sendRoutingInformation reply payload). In some examples, the TAS receives Unstructured Supplementary Service Data (USSD) request data from a terminal. The TAS sends structured text indicating the USSD string and an identifier of the terminal to a USSD gateway via an Internet-Protocol-based Lightweight Protocol (IPLP), e.g., HTTPS, and receives structured text including USSD answer data. The TAS sends, to the terminal, a report message comprising the USSD answer data.
Horizontal switch scalability via load balancing
Embodiments are directed to secure communication over a network. If a source node sends a communication to a target node, a source gateway may forward the communication to the target node. The source gateway may provide a gateway identifier (GID) that may be associated with one or more target gateways associated with the target node. Further, the source gateway may embed marker information that includes at least a portion of the GID in the communication. If the GID is associated with more than one target gateway, a TMD selects one target gateway from the more than one target gateways. Also, the TMD provides a gateway key associated with the selected target gateway that is associated with the communication. And, the TMD may provide the communication to the selected target gateway that provides the communication to the target node.
System and method for secure data transmission and storage
A method for securely storing a data object comprises identifying the data object to be stored securely, segmenting the data object into a plurality of data packets, including at least a first data packet and a second data packet, specifying a secure storage location for the first data packet, specifying a secure storage location for the second data packet that is different from the storage location specified for the first data packet, securely transmitting the first data packet to the data storage location specified for it and storing it in the secure storage location specified for it, securely transmitting the second data packet to the data storage location specified for it and storing it in the secure storage location specified for it. A method for securely transmitting data comprises identifying the data packets to be transmitted securely, segmenting the packets into a plurality of data packets, transmitting the plurality of data packets with unpredictable addressing patterns, receiving, reassembling, and re-transmitting the data packets in their original format.
Reverse proxy computer: deploying countermeasures in response to detecting an autonomous browser executing on a client computer
A computer system configured to improve security of server computers interacting with client computers, the system comprising: one or more processors executing instructions that cause the one or more processors to: select, from the plurality of detection tests, one or more first detection tests to be performed by a client computer; send, to the client computer, a first set of detection instructions that define the one or more first detection tests, and which when executed causes generating a first set of results that identifies a first set of characteristics of the client computer; receive the first set of results from the client computer; select one or more first countermeasures from a plurality of countermeasures based on the first set of characteristics identified in the first set of results; send, to the client computer, a first set of countermeasure instructions that define the one or more first countermeasures.
Web Bot detection and human differentiation
Web Bot detection methods and systems are provided that receive a request, in connection with a network session. The methods and systems determine whether the request is associated with potential Bot activity, and based thereon assign a Bot confidence designation. The Bot confidence designation indicates a likelihood that the request represents an agent-based request. The methods and systems analyze a session trait of the network session relative to predetermined session traits indicative of human-based requests, and assign a human confidence designation based on the analysis. The human confidence designation indicates a likelihood that the request represents a human-based request. The request is then classified to represent an agent-based request or human-based request based on the Bot and human confidence designations.
System and method for detecting network activity of interest
A network activity detection system is trained to detect network activities of interest such as threats by malicious computer data. The training involves distilling the characteristics of known network activities of interest (e.g., intrusion by computer viruses, exploits, worms, or the like) into a minimal set of meta-expressions. At run-time, the network activity detection system combines the minimal set of meta-expressions with efficient computer algorithms for evaluating meta-expressions to detect known network activities of interest, as well as their unknown variants, among an unknown set of network activity. The network activity detection system may produce appropriate responses upon the detection of network activities of interest.
Token based automated agent detection
Service providers may operate one or more services configured to detect requests generated by automated agents. A CAPTCHA may be transmitted in response to requests generated by automated agents. The CAPTCHAs may be included in a modal pop-up box configured to be displayed by a client application displaying a webpage to a customer of the service provider. Furthermore, the CAPTCHAs included in the modal pop-up box may be rendered inactive and caused not to be displayed by client application executing the webpage. Submitted solutions to CAPTCHAs may be presented with a cookie that enables access to resources of the service provider without restriction. Cookies may be tracked and their use may be used to detect automated agent activity.
Auto-sizing an untrusted view
Systems and methods for presenting information associated with an application are disclosed. An application is executed at a computing device, wherein the application presents a visual output at a display unit of the computing device. A guest process is run within the application. The guest process stores and processes untrusted content. An embedder process is run within the application and in parallel with the guest process. The embedder process stores and processes trusted content. The application receives, via the guest process, a request to present an image associated with the untrusted content. The embedder process specifies size constraints for the image. The guest process adjusts the image to fit within the size constraints specified via the embedder process.
Reputation-based threat protection
Information concerning a plurality of identified threats provided by a plurality of preselected sources is stored in memory. An e-mail message may be received over a communication network. The received e-mail message is separated into a plurality of components. The stored information is searched to identify a reputation score associated with each of the plurality of components. It is then determined whether the e-mail is a threat based on the identified reputation score of each of the plurality of components. The determination is sent to a designated recipient.
System and method for detecting lateral movement and data exfiltration
A system configured to detect a threat activity on a network. The system including a digital device configured to detect a first order indicator of compromise on a network, detect a second order indicator of compromise on the network, generate a risk score based on correlating said first order indicator of compromise on the network with the second order indicator of compromise on said network, and generate at least one incident alert based on comparing the risk score to a threshold.
Ensuring the credibility of devices for global attestation
Embodiments disclose systems, methods, and computer program products to perform an operation for adapting a set of devices used to authenticate a client device. The operation generally includes determining a plurality of broker devices available for attesting a location of a client device, and determining, from the available broker devices, a first and second subset of broker devices based on a credibility score determined for each of the available broker devices. The operation also includes attesting the location of the client device based on information received from the first subset of broker devices regarding devices in proximity to each of the broker devices in the first subset. The operation further includes upon determining that a number of responses with the information from at least one of the broker devices in the first subset has reached a threshold, reassigning broker devices in the first and second subsets.
Secure file transaction system
Embodiments of a secure file transaction system employ a host to receive a file manipulation request for a secure file from a requester, determine whether the requester is authorized for the file manipulation request, issue an authentication challenge to the requester, issue an approval request to the file owner and process the file manipulation request based upon obtained authentication and approval.
Method and apparatus for controlling access pools of computing systems in a web based environment
Exchange or sharing information through the World Wide Web is a way of life in modern society. The innovated dynamic workspace technology of this invention together with the implementation of posting and un-posting operations for control sharing or stop sharing various resources of message, files, and folder, networks and storages in a central controlled distributed scalable virtual machine (CCDSVM) has not only greatly improved the sharing for messages, files and folders, but also improved the sharing for enterprise operation. Specially, the use of the dynamic workspace for controlling instantly sharing or stop sharing groups of computing systems of a network has tremendously improves agility, security, and flexibly for enterprise IT operations.
System, method, and software for providing access control enforcement capabilities in cloud computing systems
According to one embodiment, a system comprises one or more processors coupled to a memory. The one or more processors when executing logic encoded in the memory provide a topology manager. The topology manager is configured to maintain a security topology of a plurality of hosts. The security topology associates one or more virtual hosts policies with a plurality of virtual hosts in a cloud computing deployment. The topology manager is also configured to request a query for one or more hosts that are candidates to be enforced. A portability manager is configured to receive a request to deploy an access control agent on the one or more candidate hosts, determine an optimal agent to be deployed from a list of available agents, and deploy the optimal agent on the one or more candidate hosts.
Address validation using signatures
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating signed addresses. One of the methods includes receiving, by a component from a device, a plurality of first requests, each first request for a physical address and including a virtual address, determining, by the component, a first physical address using the virtual address, generating a first signature for the first physical address, and providing, to the device, a response that includes the first signature, receiving, from the device, a plurality of second requests, each second request for access to a second physical address and including a second signature, determining, by the component for each of the plurality of second requests, whether the second physical address is valid using the second signature, and for each second request for which the second physical address is determined to be valid, servicing the corresponding second request.
Web-based user authentication techniques and applications
A system, apparatus, method, and machine readable medium are described for performing user authentication. For example, one embodiment of a system comprises: media capture logic implemented as a component within a browser executed on a client, the media capture logic configured to capture a user's voice from a microphone on a client or images of the user's face or other portion of the user's body from a camera on the client, the media capture logic exposing an application programming interface (API); and a web authentication application implemented as another component within the browser for communicating with an authentication server to perform biometric authentication of a user, the web authentication application making calls to the API of the media capture logic to capture raw biometric data comprising the user's voice from the microphone and/or images of the user's face or other portion of the user's body from the camera, the web authentication application to implement a biometric authentication process to authenticate the user with the raw biometric data.
Website authentication using an internet-connected device
The invention is an authentication framework that enables a user to log in to a website using an Internet-connected device, such as smartphone, smart watch, smart glasses, or tablet, while browsing on a computer. The framework makes it easier for people with certain disabilities to log in to a website, such as by removing the mandatory step of entering usernames and passwords while giving users multiple options through which they are establish their identity using Internet-connected devices. For example, gyroscope, camera, microphone, or the accelerometer can be used to provide credentials. This approach of the framework greatly reduces the number of barriers that a user with disability encounters when trying to use password-based authentication on the Internet.
Dynamic certificate generation on a certificate authority cloud
Techniques are disclosed for dynamically generating a digital certificate for a customer server. A customer server creates a certificate profile and receives an associated profile identifier from a certificate authority (CA). The customer server installs an agent application received from the CA. The agent application generates a public/private key pair and an identifier associated with the customer server. The agent application sends a signed request to the CA that includes the profile identifier, server identifier, and the public key corresponding to the key pair. Upon receiving the credentials, the CA generates a dynamically updatable certificate. Thereafter, if the customer changes information associated with the certificate (or if external conditions require a change to the certificate, such as a key compromise or change in security standards), the CA may generate an updated certificate based on the certificate profile changes and the public key.
Method for automated authentication of VoIP phone
A method for automated authentication of a user VoIP phone supported by a Private Branch eXchange (PBX) configuration server is provided. A VoIP phone or a VoIP supported device is configured for an automated authentication by a vendor. The authentication method does not require manual entry of authentication data by a user. The unique VoIP phone authentication data can be provided by the vendor in a form of a MAC address. Additionally, the vendor can assign a digital certificate (containing public and private encryption keys) signed by the vendor to the VoIP phone. In this case, the VoIP phone vendor serves as a trusted authority. Thus, the VoIP phone automatically connects with the configuration server and the authentication transformation server (ATS) and the address where the VoIP phone sends the authentication data upon connection to the network is determined by the ATS.
Secured data transmission using identity-based cryptography
A system is provided for secure data transmission. The system stores a public master key, private decryption key and secure messaging module for securely transmitting and receiving a digital model data file for transmission via a work order message. For transmitting and receiving the work order message, the system generate public encryption keys using a key generation algorithm in which each of the public encryption keys are unique to a designated message recipient and generated using an input including the public master key, a validity period, and an identifier of the designated message recipient. The system may also store a revocation list that includes identifiers of message recipients that have revoked access to the public master key or private decryption key, and based thereon determine whether or not to encrypt and transmit the work order message, or receive and decrypt the work order message.
Secure communication secret sharing
Embodiments are directed to sharing secure communication secrets with a network monitoring device (NMD). The NMD may passively monitor network packets communicated between client computers and server computers. If a secure communication session is established between a client computer and a server computer, a key provider may provide the NMD a session key that corresponds to the secure communication session. The NMD may buffer each network packet associated with the secure communication session until the NMD is provided a session key for the secure communication session. The NMD may use the session key to decrypt network packets communicated between the client computer and the server computer. The NMD may then proceed to analyze the secure communication session based on the contents of the decrypted network packets.
Efficient secret-key encrypted secure slice
An encryption module encrypts starting data using a random key to produce encrypted data. A hash module performs a secure hash function on the encrypted data using a secret key to produce a hash value. Processing circuitry masks the random key using the hash value to produce a masked random key, and combines the encrypted data and the masked random key to produce a secure package. A distributed storage and task module encodes the secure package to produce a set of encoded data slices. The secret key and a decode threshold number of the encoded data slices included in the set of encoded data slices are sufficient to recover the secure package and the starting data. The set of encoded data slices is stored in a set of storage units.
Tokenizing network appliance and method
An example security device receives a plurality of data units carrying traffic in a message encoded in accordance with an application layer protocol for a server. The message comprises payload. The security device analyzes the plurality of data units to identify the application layer protocol; selects a data extraction algorithm in dependence on the identified application layer protocol; extracts selected data from the payload, in accordance with one or more tokenizing rules; and forwards selected data to a token encoder, to allow the token encoder to store selected data and return at least one token used to identify the selected data. The device receives from the token encoder, at least one token and replaces the selecting data in the payload with the at least one token to form modified payload and forming and forwards a modified message comprising the payload data, in place of the message, thereby securing the original message.
Mobile hotspot managed by access controller
Systems and methods are described for a mobile hotspot that can be managed by an access controller. According to an embodiment, a WAN connection is established by a mobile hotspot through a telecommunication data network via a wireless WAN module. When in a first mode, the mobile hotspot: (i) sets up a secure tunnel through the WAN connection with an AC of the enterprise that manages APs of a wireless network of an enterprise; (ii) broadcasts an SSID that is also broadcast by the APs; (iii) establishes a WLAN connection with a WiFi-enabled device based on an AP profile containing (a) authentication information regarding users approved to access the wireless network and (b) information identifying the SSID; (iv) receives WLAN traffic from the WiFi-enabled device through the WLAN connection; and (v) transmits the WLAN traffic to a server of the enterprise via the secure tunnel and the AC.
Systems and methods for mobile communication integration
A mobile application for integrating a location sharing event with a messaging platform such as a text messaging or email platform allows users to be prompted about location sharing when at least a part of the message includes location or time information. In one embodiment, the mobile application takes the form of an integrated location sharing application that parses the message to discern the relevant location or time information. The application may also provide a notification of a future event and may optionally generate a location sharing event based on the notification. In another embodiment, the application permits interactive route sharing between at least two computing devices.
Automatic e-mail content task identifier and action assistant
An approach for identifying and managing tasks in an e-mail system. An e-mail task manager, receives an e-mail and creates n-grams based on e-mail data content and metadata content. The e-mail task manager identifies the e-mail as a task e-mail based on analyzing the n-grams to detect a task and a task owner. The e-mail task manager determines task details associated with the task e-mail based on the n-grams and determines a collection of recommended actions based on the task details. The e-mail task manager stores the collection of recommended actions and associated action states in a task history store. The e-mail task manager outputs the collection of recommended actions and the action states associated with the task e-mail based on the task owner and updates the collection of recommend actions and the associated action states based on interactions by the task owner.
Messaging queue service API optimization system
A method of providing a message queue service includes a first request being received by a computing device from an application to connect to a messaging queue manager provided by a messaging queue service that manages a messaging queue for at least one application. The application connects to the messaging queue manager by executing a single connect API command that causes the execution of a first plurality of commands in a messaging queue service API that provide for a connection of the application to the messaging queue manager. A second request is received from the application to open a message queue. The message queue managed by the messaging queue manager opens by executing a single open queue API command that causes the execution of a second plurality of commands that provide for the opening of the message queue.
Instant message user management
Techniques are disclosed for improving management of user information in instant messaging systems. Expiration criteria are defined, whereby one or more users or user groups may be considered as having “expired” from consideration by instant messaging functions such as presence determination. In particular, instant messaging activity is preferably used as an expiration criterion. Absence of inbound or outbound messages for a specified amount of time (or since a particular date/time) can therefore be used as a trigger for treating a user or group of users as expired. As a result, efficiency of an instant messaging system is improved by omitting the expired users and groups from subsequent management operations. Optionally, an expired user or group may be revived upon occurrence of certain events (such as a newly-arriving instant message from, or a change in presence status of, the user or group).
System and method for updating information in an instant messaging application
A method is performed by a mobile device having one or more processors and memory for updating information in an instant messenger application installed on the mobile device. The method includes: receiving an instant message from a remote server, the instant message including a first user actionable item; displaying the instant message including the first user actionable item in a graphical user interface corresponding to the instant messenger application; detecting a first user input through the first user actionable item; in accordance with the first user input: generating an information update request; sending the information update request to the remote server; receiving a response to the information update request from the remote server; and updating the instant message in the graphical user interface in accordance with the response from the remote server.
Cluster aware container manager
In one aspect, a method includes determining an allocation of nodes in a cluster to application containers using a node capacity and a policy, publishing the allocation to a coordinator, the coordinator configured to manage the nodes comprising a first node, reading the allocation from the coordinator and instructing a container manager in the first node to generate an application container in the first node conforming to the allocation.
Building and maintaining a network
Techniques and systems for establishing and maintaining networks. The technique includes assigning a network device to an interregional redirector system and load balancer systems. The network device can be assigned based upon the regions or subregions of the network device. The technique includes the load balancer systems assigning the network device to network device management engines. The status of the network device management engines can be monitored to determine if one of the network device management engines has failed. In the event that a network device management engine has failed, the network device can be assigned to a different network device management engine.
Communication device and communication method
In a core node, packet related information included in a packet is extracted, a virtual queue length, which is an estimated value of a queue length of a transmission queue addressed to a user in an edge device, is calculated and held on a user basis on the basis of the packet related information and band information of a line between the edge device and the user, and a determination is made, on a user basis, as to whether or not band control is required, on the basis of the virtual queue length and predetermined conditions so as to perform, on the basis of the result of the determination, the band control of the packet addressed to the user on a user basis in a packet relay part.
LDP switchover threshold TLV to denote LSP switchover threshold
The present disclosure generally relates to the field of label switching. More specifically, the present disclosure relates to techniques of providing, forwarding and distributing load balancing information in a label switched network. A method of providing load balancing information in a label switched network comprises the steps of: configuring (S402), by a first router (40) of the label switched network, load balancing information, the load balancing information indicating a condition under which load balancing is to be performed for a class of data packets comprising one or more data packets; and providing (S404), by the first router (40), the configured load balancing information together with label information, being related to the class of data packets, in one message to at least one second router (20) of the label switched network, in order to establish at least a section of a path for label switching the one or more data packets of the class of data packets through the label switched network on the basis of the label information.
Transmission of messages by acceleration components configured to accelerate a service
Components, methods, and systems allowing acceleration components to transmit messages are provided. An acceleration component for use among a first plurality of acceleration components, associated with a first top-of-rack (TOR) switch, to transmit messages to other acceleration components in an acceleration plane configurable to provide service acceleration for a service is provided. The acceleration component includes a transport component configured to transmit a first point-to-point message to a second acceleration component, associated with a second TOR switch different form the first TOR switch, and to a third acceleration component, associated with a third TOR switch different from the first TOR switch and the second TOR switch. The transport component may be configured to broadcast a second point-to-point message to all of a second plurality of acceleration components associated with the second TOR switch and to all of a third plurality of acceleration components associated with the third TOR switch.
Wireless data transfer as an alternative method to overcome errors or noise in a storage environment
Various embodiments for managing data transmission errors in a computing storage environment, by a processor device, are provided. In one embodiment, data traffic is routed through a data path in the computing storage environment, and in response to detecting errors in routing the data traffic through the data path, the routing of the data traffic is switched to an alternate data path. In response to reaching a predetermined error threshold while routing the data traffic through the alternate data path the computing storage environment, at least certain data traffic is wirelessly transmitted from a source to a switch nearest a destination of the certain data traffic.
Virtual routing tables for routers in a multi-tier network
Technologies are provided for creating virtual routing tables in routers in a multi-tier network. One or more routers in the network are configured to block other routers in a lower tier of the network from receiving routing updates from one another. By blocking the routing updates, the routers in the higher tier of the network cause the routers in the lower tier of the network to create different virtual routing tables that do not include other routers the lower tier of the network. In such a configuration, routers in the lower tier of the network can be connected to routers in the higher tier of the network with partially overlapping uplink connections without a loss of bandwidth utilization. Since the routers in the lower tier of the network are unaware of the partially overlapping uplink connections, the routers in the lower tier of the network can distribute data transmissions to one another evenly across all their uplink connections to the routers in the higher tier of the network, instead of using the overlapping uplink connections exclusively.
Test fixture and method for securing and testing network devices
A system and method for testing multiple residential gateways. One of the multiple residential gateways is engaged in a testing platform of a test fixture. The testing platform includes an adapter for interfacing the set-top box with the test fixture. The multiple residential gateways are automatically tested in parallel. Test results for each of the multiple residential gateways are measured. The test results for each of the multiple residential gateways are displayed to a user.
Class of service probe
Methods, systems, and apparatus for generating a delay profile for different priority classifications. In one aspect, multiple latency probes are transmitted by a source node to a target network node. Each latency probe has a different priority code. A response to each of the transmitted latency probes is received by the source node from the target network node. Based on the received responses, a delay profile for the target network node is generated by the source node. The delay profile provides multiple network latency measurements for packets transmitted to the target network node with the different priority codes. A user interface of a display is updated to visually present at least a portion of the delay profile.
Intermediary network element for tap traffic
In one implementation, a method for tap traffic redirection can include identification of a request protocol and a source network element, selection of a redirector protocol based on a list of device capabilities, instruction of the source network element to send a first copy of network traffic to an intermediary network element using the redirector protocol, and instruction of the intermediary network element to forward a second copy of the network traffic using the request protocol.
Generic operations, administration, and maintenance (OAM) function
A system includes: a processor in electrical communication with a data packet network that includes a first network device having a first network node and a second network device having a second network node. The system also includes a non-transitory memory having stored instructions, when executed by the processor, configured to perform acts including: generating a frame denoting a protocol data unit (PDU) to implement at least one OAM function within the data packet network; encapsulating the PDU in a packet having a header; transmitting the packet from the first network node to the second network node. The PDU is a generic PDU (GPDU) for implementing at least one generic OAM (GOAM) function across the first and second network nodes operating different transmission protocols. The header includes GOAM indication information denoting the presence of the GPDU within the packet.
Automated risk assessment based on machine generated investigation
Embodiments are directed to monitoring network traffic using a network computer. The network computer provides anomaly information associated with anomalies that may be associated with monitored network traffic. An inference engine may determine the users associated with the anomalies based on the monitored network traffic. A communication channel associated with the users may be determined based on the anomalies and the monitored network traffic such that the communication channel may be separate from the monitored network traffic. The communication channel may be employed to provide investigative agents to the users. Investigative information may be collected from the investigative agents over the communication channel. The inference engine may provide a risk value that is associated with the anomalies based on the investigative information.
System and method for enterprise data distribution
In accordance with accordance, described herein is a system and method for providing a cloud service for distributing enterprise data to data consumers for reuse. The cloud service can include a generic connector interface configured to retrieve enterprise data from a PaaS service, and a plurality of services used for categorizing the enterprise data, managing identities of the data consumers, configuring data access rules, and masking the enterprise data. A plurality of representational state transfer (REST) application programming interfaces (APIs) can be exposed by the cloud service for a tenant to manage the enterprise data and data consumers, and for data consumers to subscribe to the enterprise data. The system allows a PaaS tenant to distribute enterprise data from a PaaS service to a plurality of data consumers securely and scalably.
BGP logical topology generation method, and device
The present disclosure relates to the communications field, and discloses a BGP logical topology generation method, and a device. The method includes: obtaining, by a controller, node information of a first forwarder and BGP session information of the first forwarder, and obtaining node information of a second forwarder and BGP session information of the second forwarder; and generating, by the controller, a BGP logical topology between the first forwarder and the second forwarder according to the node information and the BGP session information of the first forwarder, and the node information and the BGP session information of the second forwarder that are obtained. The technical solution provided in the present invention can implement collection of a BGP logical topology between forwarders by the controller, which is favorable for the controller to manage forwarders running the BGP protocol.
Fabric-wide bandth management
In one embodiment, a method includes measuring a rate of traffic received at a leaf node, marking a plurality of packets in the flow as protected at the leaf node to match the rate of traffic with a configured rate of traffic for the flow at the leaf node, and dropping a plurality of non-protected packets at the leaf node when a queue at the leaf node is congested. A minimum bandwidth is provided for the flow based on the configured rate of traffic at the leaf node. The leaf node comprises an ingress node or an egress node connected to a fabric. An apparatus is also disclosed herein.
Radial data center design and deployment
Illustrated herein is a substantially circular data center including a plurality of machines. The machines are physically grouped into data classification groups. The data classification groups are organized in a radially expanding and circumferential fashion.
Multi-stage network discovery
In a multi-stage network discovery system, a target device is identified by a logical address and associated with a configuration item (CI) record stored in a configuration management database (CMDB). A receiver module receives first probe data from a first probe running against the target device, the first probe data comprising constant attribute data of the target device, stores at least part of the first probe data in a first part of the CI record, receives subsequent probe data from at least one subsequent probe against the target device using the logical address, the subsequent probe data comprising the constant attribute data of the target device, determines that the constant attribute data from the subsequent probe matches the constant attribute data from the CI record, and in response to the determination, stores the subsequent data obtained from the second probe in a second part of the CI record.
Method and a device for optimizing a configuration system of a network element of a software-defined network
A method for optimizing entity-specific configuration systems for functional entities of a network element of a software-defined network is presented. The entity-specific configuration systems are based on a network element-specific configuration system related to the whole network element and comprising configuration entries for determining operations to be carried out by the network element. The method comprises forming (401) relation data that indicates, for each of the functional entities, those of the configuration entries which are irrelevant to the functional entity under consideration so that operation of the functional entity is independent of these configuration entries. The relation data enables the entity-specific configuration systems to be constructed (402) so that the entity-specific configuration system of each functional entity is free from those configuration entries which, according to the relation data, are irrelevant to the functional entity under consideration. Therefore, resources for implementing the entity-specific configuration systems can be saved.
Method for upgrading network functions virtualization application, service forwarding method, and apparatus
A method for upgrading a network functions virtualization application includes creating, by a virtualized infrastructure manager (VIM), a network resource according to an upgrade plan for the network functions virtualization application; creating, by the VIM, a virtual machine for a new-version virtualized network function (VNF) according to the upgrade plan; configuring, by the VIM, the virtual machine on a test network according to the network resource; performing, by the VIM, upgrade configuration on the virtual machine according to an upgrade configuration script to obtain the new-version VNF; and switching, by an NFV orchestrator, an earlier-version VNF to the new-version VNF after determining that a function test of the new-version VNF on the test network is successful. In the embodiments of the present disclosure, an automated upgrade procedure and upgrade steps for a network functions virtualization application are defined, so that upgrading the network functions virtualization application can be automated.
Implicit traffic engineering
Briefly, methods and/or apparatuses for implicit traffic engineering, such as for the Internet, are described.
Client configurable hardware logic and corresponding signature
Disclosed are techniques regarding aspects of implementing client configurable logic within a computer system. The computer system can be a cloud infrastructure. The techniques can include associating signature information with the client configurable logic for various purposes.
Network-on-chip using temperature-effect-inversion and operation method thereof
Provided is a network-on-chip (NoC). The NoC includes a plurality of routers configured to receive power through each corresponding power gating switch, and a controller configured to control a power gating switch of each of the plurality of routers based on temperature information provided from each of the plurality of routers and control a driving clock of the plurality of routers. The controller controls the power gating switch to turn off at least one first router by referring to the temperature information and over-scale a clock frequency of at least one turned-on second router.
System and methods for configuration management
Aspects of the present disclosure describe systems and methods for automatically configuring, managing, updating, and/or monitoring the configuration of various computing resources and/or network devices within a communications network, such as a telecommunications network. Configuration code may be deployed to a repository for a cluster of computing resources and one or more layers may be defined describing configurable aspects of the cluster. Subsequently, a script may be identified and executed to configure the cluster based on the configuration code.
Cooperative monitoring networks
An electronic monitoring system is described that receives data from a particular monitoring system, receives data from multiple other monitoring systems, analyzes data received from the particular monitoring system irrespective of data received from the multiple other monitoring systems, based on the analysis, determines whether one or more events occur at the particular environment, and in response to determining that a particular event occurs at the particular environment, evaluates the particular event against a set of rules, selects, based on the evaluation results, a particular subset of the multiple other monitoring systems to serve as a cooperative monitoring network, assesses data received from the particular monitoring system with data received from the particular subset of the multiple other monitoring systems, based on the assessment, tracks, in connection with the particular event, events detected by the particular subset of the multiple other monitoring systems, and handles the particular event based on the tracked events detected by the particular subset of the multiple other monitoring systems.
Knowledge base radio and core network prescriptive root cause analysis
A method, computer program product and system for performing performance and root cause analysis of failures in a telecommunication network are provided. The telecommunication network includes User Equipment (UE) devices, core network and radio access network (RAN). Information related to impacted performance and failures reported in the telecommunication network is received. Telecommunication and transport network elements associated with the reported network performance and failures are identified. Performance and configuration data associated with the identified network elements is analyzed to identify one or more causes of the reported network failures. A root cause analysis of the reported network failures is performed using knowledge and statistical inference models for each of the identified causes to provide at least one recommendation for resolving the reported network failures.
Implementing an energy proportional network architecture from desired network criteria
Systems, methods, and computer-readable executable instructions are provided for implementing an energy proportional network architecture. Implementing an energy proportional network architecture can include determining a number of desired network criteria and a desired number of access ports. A number of switches for the energy proportional network architecture can be calculated from the desired number of access ports and the number of desired network criteria. Implementing an energy proportional network architecture can also include using the number of calculated switches to form the energy proportional network.
Coding and modulation apparatus using non-uniform constellation
A coding and modulation apparatus and method are presented. The apparatus comprises an encoder that encodes input data into cell words, and a modulator that modulates said cell words into constellation values of a non-uniform constellation. The modulator is configured to use, based on the total number M of constellation points of the constellation and the code rate, a non-uniform constellation from one or several groups of constellations each comprising one or more constellations.
Adaptive selection of signal-detection mode
A wireless device detects a synchronization signal by obtaining (210), from a received signal, a sequence of samples, and calculating (220) a differentially decoded sequence from the obtained sequence of samples. The wireless device correlates (230) the calculated differentially decoded sequence with a first reference sequence corresponding to the synchronization signal, at each of a plurality of time offsets, and identifies which of the plurality of time offsets results in a largest correlation result. In response to determining (240) that the largest correlation result does not meet a predetermined reliability criterion, the wireless device correlates (250) the obtained sequence of samples with a second reference sequence, at each of a plurality of time and frequency offsets, and identifies which combination of time offset and frequency offset results in a largest correlation result. The first reference sequence comprises a differentially decoded version of the second reference sequence.
Extracting sub-bands from signals in a frequency domain
A unit includes circuitry configured to: receive a downlink signal; sub-divide the downlink signal into a sub-divided downlink signal having downlink signal components in a time domain, each downlink signal component corresponding to a respective sub-band; determine that at least one downlink signal component corresponds to at least one sub-band having data to be transmitted via a distributed antenna system; generate a transformed downlink signal representing the downlink signal in a frequency domain by performing a frequency transform on the downlink signal; determine that the at least one sub-band of the transformed downlink signal includes the data to be transmitted; extract the at least one sub-band from the transformed downlink signal at least in part by providing data for at least one portion of the transformed downlink signal in the frequency domain that corresponds to the at least one sub-band to the at least one remote antenna unit.
System and method for encoding and decoding data
A method for encoding K bits of data, wherein K is a multiple of N is provided. The method includes a first step of mapping N consecutive bits of the K bits of data, starting from either its least significant bit or its most significant bit, to a point within a quadrant out of 2N quadrants of an N-dimensional space. The method includes a second step of mapping the subsequent contiguous N consecutive bits of the K bits of data, to a point within a sub-quadrant out of 2N quadrants of the N dimensional space within the previous quadrant. The method includes repeating the second step until all K bits of data have been mapped. The method includes a third step of obtaining N coordinate values of N consecutive bits of the data mapped last, wherein the N coordinate values represent the encoded code word for the K bits of data.
A semiconductor device of an embodiment includes first and second couplers, an encoding circuit, and a demodulating circuit. The encoding circuit executes differential Manchester encoding on digital data based on a clock inputted thereto via the first coupler and outputs an encoded data. The demodulating circuit includes a first sampling circuit which samples the encoded data inputted via the second coupler based on a sampling frequency set to be two times higher than that of the encoded data and which outputs first sample data, a second sampling circuit which samples the encoded data at a timing earlier than that in the first sampling circuit and which outputs second sample data, a determination circuit which determines whether or not the first and the second sample data match each other, and a selection circuit which selects first phase data or second phase data from the first sample data.
System and method for reference noise compensation for single-ended serial links
A single-ended signal transmission system recovers a noise signal associated with a data input signal and uses the recovered noise signal to compensate for noise on the data input signal. The noise signal may be recovered from a noise reference signal line, or clock signal line, or a data signal line associated with a DC-balanced data input signal. The recovered noise signal may be represented as an analog signal or a digital signal. The recovered noise signal may be processed to compensate for DC offset and nonlinearities associated with one or more different input buffers. In one embodiment, the recovered noise signal includes frequency content substantially below a fundamental frequency for data transmission through the data input signal.
A cell where an Unlicensed spectrum or shared spectrum is used is efficiently controlled. A terminal device includes a measurement unit configured to measure Channel State Information (CSI) based on a valid downlink subframe based on a Serving cell. A subframe is considered to be the valid downlink subframe in a case that a condition is met, the condition includes that a configured CSI Reference Signal (CSI-RS) resource associated with a Channel State Information process exists in the subframe, and the Serving cell is a Licensed-Assisted Access (LAA) Secondary cell.
Wearable intelligent communication hub
A communication hub that manages communication signals and sensor signals is provided. Communication signal gateways receive and transmit the communication signals with a plurality of different communication signal formats. Sensor signal gateways in turn receive the sensor signals with a plurality of different sensor signal formats. The controller dynamically interfaces the different communication signal formats of the received communication signals with a communication hub signal format to establish communication links with the communication systems associated with the received communication signals. The controller further dynamically interfaces the different sensor signal formats of the received sensor signals into the communication hub signal format used by the communication hub to gather sensor information. The controller further establishes at least one routing path to a destination hub using at least one of the established communication links. The controller further yet communicates the sensor information through the at least one established routing path.
Policy control in session initiation protocol forking
Methods and apparatuses for updating policy and charging rules relating to early dialogs in session initiation protocol forking in a telecommunications network. A node comprises a receiver (304), configured to receive a plurality of preliminary responses originating from a plurality of terminating end points as part of Session Initiation Protocol, SIP, forking. The node comprises an early dialog controller (314), configured, for each received preliminary response, to determine a unique identifier and to control a transmitting means, which may be a transmitter (302), to transmit a corresponding preliminary message comprising the unique identifier to a further node (400) for use as a Policy and Charging Rules Function, PCRF (200), for creating an early dialog by the further node. The receiver is further configured to receive updated data for at least one of the preliminary responses. The node further comprises an updated dialog controller (316) configured to retrieve the unique identifier corresponding to the at least one preliminary response and control the transmitter to transmit an updating message based on the updated data and comprising the retrieved unique identifier to the further node for updating the corresponding early dialog.
Systems, methods, and software can be used to access an enterprise resource. In some aspects, configuration information for an enterprise application is received at an enterprise mobility management (EMM) client on a mobile device. A certificate that includes at least a portion of the configuration information is generated. The certificate is installed in an enterprise workspace on the mobile device. A configuration application is executed in the enterprise workspace on the mobile device to configure the enterprise application.
Secure digital communications
Disclosed in some examples are methods, systems, and machine readable mediums for secure end-to-end digital communications involving mobile wallets. The result is direct, secure, in-band messaging using mobile wallets that may be used to send messages such as payments, requests for money, financial information, or messages to authorize a debit or credit.
Recovery agents and recovery plans over networks
Examples include sending and receiving recovery agents and recovery plans over networks. Some examples include receiving a recovery request over a network from a requestor, sending a response to the requestor over the network, sending an executable copy of a recovery agent with a validation measure to the requestor, establishing an encrypted connection with the requestor, receiving a second request from the requester over the encrypted connection, determining a recovery plan that includes a command executable by the recovery agent, and sending the recovery plan to the requester over the encrypted connection. In some examples, the recovery request includes data that identifies the requester and the response and the recovery plan are based on the data identifying the requester.
Method for generating a message signature from a signature token encrypted by means of a homomorphic encryption function
A method for generating a message signature intended to be validated by a verifier server. A client device is configured to hold a private key and a corresponding public key. The method includes offline pre-computation by a hardware security module of a signature token, a result of encryption using a homomorphic encryption function, storage of the signature token generation of the signature of the encrypted message by the homomorphic encryption function from the result of the encryption by the homomorphic encryption function of the private key stored by the client device, of the signature token and of the message. The signature is intended to be validated by the verifier server by the public key.
Techniques for secure authentication
Various embodiments are generally directed to techniques for secure message authentication and digital signatures, such as with a cipher-based hash function, for instance. Some embodiments are particularly directed to a secure authentication system that implements various aspects of the cipher-based hash function in dedicated hardware or circuitry. In various embodiments, the secure authentication system may implement one or more elements of the Whirlpool hash function in dedicated hardware. For instance, the compute-intensive substitute byte and mix rows blocks of the block cipher in the Whirlpool hash function may be implemented in dedicated hardware or circuitry using a combination of Galois Field arithmetic and fused scale/reduce circuits. In some embodiments, the microarchitecture of the secure authentication system may be implemented with delayed add key to limit the memory requirement to three sequential registers.
Shared keys based on multiple features
A method for secret sharing utilizing multiple features of an input includes: receiving a registration input; obtaining features from the registration input; generating a secret key and a plurality of shared keys according to a shared secret scheme; associating each of the plurality of shared keys with a respective feature of the registration input; generating a plurality of additional features associated with additional keys having a similar format as a shared key associated with a respective feature; storing the plurality of shared keys associated with respective features together with the plurality of additional keys associated with additional features; and encrypting an element to be protected by the secret key using the secret key.
Cryptographic encryption key escrow and recovery
Various features described herein may include supervision or control of a cryptographic signal necessary for encryption or decryption. Specifically, key management may be performed, wherein the key is deposited or retrieved to or from a third party. For example, data may be encrypted. The encrypted data may be unencrypted by using a key, which may be stored on a different device (e.g., a server). The different device may perform authenticating a device requesting access to the key, determining a recovery key for the encrypted data, and providing the recovery key for the encrypted data. The recovery key may then be used to recover access to the encrypted data. Thus, the key may be deposited for escrow by the different device until such time that the key is necessary for recovery of the encrypted data, at which time the key may be retrieved for decryption of the encrypted data.
Ensuring information security in data transfers by dividing and encrypting data blocks
Aspects of the disclosure relate to ensuring information security in data transfers by dividing and encrypting data blocks. A computing platform may receive, from a data source computing device, a source data collection for a secure physical-storage-media data transfer and may identify one or more transmission parameters associated with the secure physical-storage-media data transfer. Subsequently, the computing platform may divide the source data collection into two or more data blocks and may separately encrypt the two or more data blocks based on the one or more transmission parameters to produce two or more encrypted data blocks for the secure physical-storage-media data transfer. Then, the computing platform may store the two or more encrypted data blocks on two or more physical media, and each encrypted data block of the two or more encrypted data blocks may be stored on a different physical medium of the two or more physical media.
Communicating a high priority message in a communication channel of a wireless communication network based on a TDMA protocol
A method and a system for communicating a high priority message in a vehicular ad hoc network is provided. In the communication channel, time slots are defined, and N successive time slots constitute one cycle, where m th time slot of each cycle is reserved for transmitting a pre-emption message. The method may include: selecting a sub-frame, transmitted in a first q th time slot, having a priority lower than that of the high priority message; transmitting in a first m th time slot after the first q th time slot a pre-emption message indicating that a second q th time slot, which is after the first m th time slot, will be occupied to transmit the high priority message; and transmitting in the second q th time slot the high priority message. By using the method and system, messages with higher priority can be transmitted timely even under very congested conditions.
Method and device for transmitting and receiving data by using multiple carriers in mobile communication system
To solve the above-mentioned problem, the method for transmitting and receiving a signal by user equipment (UE) through one or more cells, according to one embodiment of the present specification, comprises the steps of: receiving, from a base station, a first message indicating whether one or more cells usable by the UE are enabled; determining which cells to enable or disable on the basis of the first message; and enabling or disabling the selected cells. According to the embodiment of the present specification, by aggregating carriers amongst different base stations, a possibility for the UE to transmit and receive high-speed data through carrier aggregation can increase.
Reusing long-term evolution (LTE) reference signals for nested system operations
Wireless communications systems and methods related to reusing long-term evolution (LTE) resources in a nested network system are provided. A first wireless communication device receives, from a second wireless communication device, a reference signal configuration of a first network of a long-term evolution (LTE) radio access technology (RAT). The first wireless communication device and the second wireless communication device are associated with a second network of another RAT. The first wireless communication device receives, from the second wireless communication device, a communication signal in the second network based on the reference signal configuration of the first network. The reference signal configuration indicates at least one of a frequency tone of a reference signal of the first network, a time period of the reference signal of the first network, or a number of antenna ports associated with the reference signal of the first network.
Method and device for configuring a pilot
Provided are a method and device for configuring a pilot, wherein the method includes: configuring a user pilot according to subcarrier indexes of REs occupied by the user pilot, wherein the subcarrier indexes of the REs occupied by the user pilot are in subcarrier indexes of REs occupied by user data on PUSCH, and include the following pilot parameters: REstart and RBnumber, and further include REset and/or REinterval; and adjusting power of a pilot at a transmitting end and performing pilot resource mapping according to Powerfactor corresponding to the pilot parameters, where Powerfactor=(REset+REinterval)/REset. Through the disclosure, the problem that a pilot design scheme of the PUSCH in the related art is poor on flexibility is solved.
Method and apparatus of allocating sounding reference signal resources
The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). Various examples of the present disclosure provide a method of allocating sounding reference signal (SRS) resources. A base station of a target cell receives information of first cell edge terminals in an adjacent cell transmitted by the adjacent cell. The base station allocates SRS resources for a terminal in the target cell according to information of second cell edge terminals in the target cell and the information of the first cell edge terminals, and transmits information of the allocated SRS resources to the terminal. According to the mechanism, when there are cell edge terminals in both the target cell and the adjacent cell, it can be guaranteed that all SRS resources allocated to cell edge devices in the target cell are orthogonal to those allocated to cell edge devices in the adjacent cell. Thus, the impact of pilot contamination on system performances may be remarkably reduced.
Resource allocation instruction method and device
The document discloses a method and device for indicating a resource allocation. The method includes: determining a number of required indication bits according to the following parameters: a number N of allocable resources in a system, and a maximum number M of allocated resources supported by UE, herein 2≤M
Frequency selective scheduling
There is provided mechanisms for frequency selective scheduling of wireless devices in a communication network. A method is performed by a wireless network node. The method comprises transmitting a first packet to at least one wireless device over the entire available bandwidth of the communication network, wherein the first packet comprises information identifying which wireless devices are addressed by the packet, and which downlink sub-carriers are used for data transmission to the addressed wireless devices. The method comprises receiving a second packet on uplink sub-carriers allocated to at least the addressed wireless devices and therefrom determining channel quality indications for the uplink sub-carriers. The uplink sub-carriers are allocated to enable the channel quality indications to be determined over the entire bandwidth for at least each one of the addressed wireless devices.
Inter-site carrier aggregation with physical uplink control channel monitoring
A method, a system, an apparatus, and a computer program product for providing an inter-site carrier aggregation in a wireless communication system are disclosed. Control channel resources at a primary cell in a wireless communication system are determined. The determined control channel resources are provided to a secondary cell communicatively coupled to the primary cell. At least one data packet is transmitted based on the determination of control channel resources using the secondary cell.
Simultaneous transmission and reception of an orthogonal multiplexed signal and a non-orthogonal multiplexed signal
Methods and apparatus as described herein for determining whether to transmit a signal to at least one receiver of a plurality of receivers with an orthogonal multiplexing technique while signals to a remainder of the plurality of receivers are simultaneously transmitted with a non-orthogonal multiplexing technique If it is determined that the signal should be transmitted to the at least one receiver with the orthogonal multiplexing technique, simultaneously transmitting the signal to the at least one receiver with the orthogonal multiplexing technique and the signals to the remainder of the plurality of receivers with the non-orthogonal multiplexing technique. Methods and apparatus are also described for decoding the signals on the receiving end.
Mirror-ring assembly for bi-directional optical communication between a rotor and a stator
An optical rotary joint communication apparatus for communicating between a rotor and a stator. Optical sources and detectors are arranged on both the rotor and the stator to provide bi-directional communication. As the rotor rotates, downlink detectors on the rotor sequentially communicate via line-of-sight optical channels with corresponding downlink receivers on the stator. Each downlink receiver is provided a curved mirror reflecting the downlink beam onto the downlink receiver when the rotation angle of the rotor is within a corresponding angle interval. When the rotation angle moves past the angle interval, the downlink beams transition to another mirror and another downlink receiver. The downlink beams are directed predominantly tangential to the rotor circumference. Adjacent downlink transmitters transmit redundant data, and transitions between downlink receivers are staggered for adjacent downlink transmitters to occur at non-overlapping rotation angles in order to prevent loss of data during transitions.
Data buffering method and apparatus for hybrid automatic repeat request in wireless access system supporting non-orthogonal multiple access scheme
The present invention relates to a variety of hybrid automatic repeat request (HARQ) methods, data buffering methods therefor, and apparatuses supporting the methods, in a wireless access system supporting a non-orthogonal multiple access (NOMA) scheme. As one embodiment of the present invention, a data buffering method, by a first terminal, for hybrid automatic repeat request (HARQ) in a wireless access system supporting a non-orthogonal multiple access (NOMA) scheme may comprise: a step of receiving, from a base station, data in which data for the first terminal and a second terminal are multiplexed in a NOMA scheme; a step of decoding the multiplexed data; a step of buffering data for the second terminal; and a step of transmitting HARQ-ACK information to the base station, depending on the decoding result.
Transmitter and method of transmitting and receiver and method of receiving
A transmitter transmits data using Orthogonal Frequency Division, OFDM, symbols. The transmitter comprising a forward error correction encoder configured to encode the data to form forward error correction encoded frames of encoded data cells, a service frame builder configured to form a service frame for transmission comprising a plurality of forward error correction encoded frames, a convolutional interleaves comprising a plurality of delay portions and configured to convolutionally interleave the data cells of the service frames, a modulation symbol mapper configured to map the interleaved and encoded data cells of the service frames onto modulation cells, and a modulator configured to modulate the sub-carriers of one or more OFDM symbols with the modulation cells.
Apparatus for generating broadcast signal frame for signaling time interleaving mode and method using the same
An apparatus and method for generating a broadcast signal frame for signaling a time interleaving mode are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to perform power-normalizing for reducing the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing time interleaving after performing the power-normalizing; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling a time interleaving mode corresponding to the time interleaver for each of physical layer pipes (PLPs).
Forward packet recovery with constrained network overhead
Disclosed herein are systems and methods for forward packet recovery in a communication network with constrained network bandwidth overhead. In exemplary embodiments, a target byte protection ratio is determined. Error correcting frames are dynamically generated by a first processor such that error correcting information can be generated to approximate the target byte protection ratio. The data packets and error correcting information are then transmitted across one or more communication networks to a second processor. The second processor can use the error correcting information to regenerate or replace data packets missing or corrupted in transmission across one or more communication networks.
CSI reference resource and CQI report for MTC operation
Systems and methods are provided for deriving channel feedback for a physical channel based on an indication of the number of transmission repetitions. In some embodiments, a method for use in a wireless device for determining channel feedback for a physical channel includes receiving control signaling including an indication of a number of transmission repetitions of the physical channel. The method also includes deriving the channel feedback for the physical channel based on the indication of the number of transmission repetitions, where a code rate corresponding to the channel feedback corresponds to an effective channel code rate of the physical channel occupying a group of physical resources including the number of transmission repetitions. In this way, the wireless device may report channel conditions that are better than the channel conditions corresponding to a single transmission, according to some embodiments.
Multi-user code division multiple access communication method, and corresponding transmitter and receiver
A multi-user code division multiple access communication method, and corresponding transmitter and receiver include: the transmitter determines a complex-valued spreading sequence to be used by the transmitter, herein each element of the complex-valued spreading sequence is a complex number and values of real and imaginary parts of all elements in the complex-valued spreading sequence are from an M-element set of real numbers, and M is an integer larger than or equal to 2; the transmitter performs spreading processing on data symbols to be sent by using the complex-valued spreading sequence to generate a spread symbol sequence; and sends the spread symbol sequence. The receiver receives signals transmitted by multiple transmitters, and performs reception detection by using an interference cancellation signal detector, herein the complex-valued spreading sequences used by the multiple transmitters are used during detection.
Resource utilization for uplink transmission based on indicated interference
According to a disclosed example, an intention of a first wireless communication device to use a first power level and a first time-frequency resource for up-link transmission to a first cellular communication network is detected. At a second wireless communication device, a signal is received from the first device indicative of up-link transmission. The second device determines whether or not an interference (caused by the up-link transmission of the first device and affecting a down-link reception of the second device from a second cellular communication network at a second power level in a second time-frequency resource) has a third power level associated with the first power level that exceeds a power level threshold associated with the second power level. The second device transmits an interference indication to the first device using a third time-frequency resource if it is determined that the third power level exceeds the power level threshold, and the interference indication is received at the first device. The first device determines whether or not to use the first time-frequency resource for up-link transmission based on the interference indication. Corresponding computer program product, arrangements and wireless communication device are also disclosed.
This disclosure relates to communicating on a wireless channel in the presence of an interference source. A receiver accesses the channel to perform a sequence of energy detections. The interference source is modelled as cyclically transitioning into and out of an inactive state and as cyclically transitioning, when out of the inactive state, between a first active state, in which the interference source is active and creating interference on the channel, and a second active state, in which the interference source is active but creating a substantially lower level of interference on the channel. Based on the sequence of energy detections, large and small time scale metrics are determined. Transmission of data by a transmitter is in dependence on the estimated metrics.
Light-emitting apparatus, imaging apparatus, information transmission system and information transmission method
To easily capture the light emission position of a light-emitting apparatus on the imaging apparatus side, even when the positional relationship of the two changes. A mobile device detects its own speed, and an LED within the mobile device accomplishes light emission in accordance with any out of a first light emission pattern, a second light emission pattern and a third light emission pattern so that the light emission cycle becomes shorter the faster the speed of the mobile device. On the other hand, a server detects the speed of the mobile device from frames obtained through imaging by an imager, and changes the imaging interval of the imager so that the imaging interval becomes longer the slower the speed.
Methods of reducing or eliminating internal optical light reflections, increasing yield, reducing high-temperature transmission failures and/or improving OSA transmission performance and an improved optical transceiver implementing the same
An optical transceiver and a method of making the same. The optical transceiver includes a base/housing having a roughened or darkened optics mounting surface, a transmitter optical subassembly (TOSA), a receiver optical subassembly (ROSA), a beam splitter mount secured to or mounted on the roughened or darkened optics mounting surface, a beam splitter secured to or mounted on the beam splitter mount, and an optical fiber adapter. The TOSA includes a laser diode configured to convert a received electrical signal to an outgoing optical signal. The ROSA includes a photodiode configured to convert a received optical signal to an outgoing electrical signal. The beam splitter is transparent to one of the outgoing and received optical signals and is configured to reflect the other. The optical fiber adapter is configured to hold an optical fiber that receives the outgoing optical signal and provides the received optical signal.
Optical module and link operationanalysis and failure prediction
Embodiments include techniques for device analysis and failure prediction, the techniques include measuring or collecting parametric data of the device at a configurable interval, wherein the parametric data includes one or more parameters, and receiving operating limits for the parametric data based on specifications or characteristics for the device. The techniques also include determining a trend of the measured or collected parametric data of the device, and filtering noise from the trend based at least in part on at least one of other devices exhibiting a deviation exhibited by the device or system state changes associated with system log files. The techniques include identifying a failure stage of the device based on at least one of the trend or the received operating limits, and transmitting a notification of a predicted failure based at least in part on the identification.
Switching communication networks aboard a moving vessel based on control of priority
A method for switching networks aboard a moving vessel includes determining that a first network-connection device located aboard the moving vessel is communicatively coupled to a first network located off the moving vessel; determining that a second network-connection device aboard the moving vessel is able to communicatively couple to a second network, the second network selected from available networks located off the moving vessel; and connecting the second network-connection device to the second network.The method may further comprise connecting the first network-connection device to the second network; reducing the first communication activity and increasing the second communication activity; receiving an available network control from the network geographic data memory structure, the available network control comprising a list of the one or more available networks; and disconnecting the second network-connection device from the second network in response to the connection value being less than the connection threshold value.
Method and apparatus for providing relay service using a relay user equipment
Embodiments of the present disclosure provide a method and an apparatus for providing a relay service. A second message sent by an MME is received by a P-GW, where the second message includes a first identifier of remote UE; an uplink packet filter of the remote UE is determined according to the first identifier of the remote UE; and an uplink TFT of relay UE is determined, where the uplink TFT includes the uplink packet filter of the remote UE, and the uplink packet filter of the remote UE is used by the relay UE to map an uplink data packet of the remote UE to an EPS bearer of the relay UE.
Method for relaying communication in wireless communication system and device for performing same
A method for a first device to device (D2D) user equipment supporting D2D communication to relay the communication of a second D2D user equipment, according to one embodiment of the present invention, comprises the steps of: detecting a broadcast signal of a base station on the second D2D user equipment; and, if the second D2D user equipment is positioned outside the coverage of the base station and neighbors the first D2D user equipment, the first D2D user equipment responding to the broadcast signal on the second D2D user equipment, wherein the response of the first D2D user equipment is for reporting that the first D2D user equipment can relay communication between the base station and the second D2D user equipment.
Array antenna apparatus, receiver, and method of processing received signals
When a radio frequency (RF) unit is provided with a delay line or a switch, as the number of arrays (the number of antennas) increases, the parasitic capacitance of the antennas increases and the insertion loss of the switch increases. In addition, the insertion loss may further increase at high frequencies expected to be used in the future. An array antenna apparatus of the present invention is provided with: a plurality of antennas that receive signals; a plurality of down-converters that are connected respectively to the plurality of antennas and that down-convert the received signals; and a switch that selects at least one signal from among the plurality of down-converted signals, and transmits the at least one signal to an A/D converter.
Reference signals for initial acquisition in 5G systems
Disclosed herein are apparatuses, systems, and methods for reference signal design for initial acquisition, by receiving a first primary synchronization signal (PSS) and a first secondary synchronization signal (SSS) from a first transmit (Tx) beam, in first contiguous orthogonal frequency division multiplexing (OFDM) symbols of a downlink subframe. A UE can receive at least a second PSS and a second SSS from a second Tx beam in contiguous OFDM symbols of the downlink subframe. A UE can then detect beamforming reference signals (BRSs) corresponding to the first Tx beam and the second Tx beam, based on identification of physical cell ID information and timing information processed from the first PSS, the second PSS, the first SSS, and the second SSS. The UE can select the first Tx beam or the second Tx beam that was received with the highest power, based on the BRSs. Other embodiments are described.
Method and apparatus for performing effective feedback in wireless communication system supporting multiple antennas
A method for transmitting channel status information (CSI) of downlink multi-carrier transmission includes generating the CSI including at least one of a rank indicator (RI), a first precoding matrix index (PMI), a second PMI and a channel quality indicator (CQI) for one or more downlink carriers, the CQI being calculated based on precoding information determined by a combination of the first and second PMIs, determining, when two or more CSIs collide with one another in one uplink subframe of one uplink carrier, a CSI to be transmitted on the basis of priority, and transmitting the determined CSI over a uplink channel. If a CSI including an RI or a wideband first PMI collides with a CSI including a wideband CQI or a subband CQI, the CSI including a wideband CQI or a subband CQI has low priority and is dropped.
System and method for a dynamically active FD-MIMO antenna array adjustment system
A network device receives, from a network management system (NMS), a first traffic distribution associated with the FD-MIMO antenna site, and receives a first service reliability requirement associated with the FD-MIMO antenna site. The network device determines, based on physical constraints, a maximum number of a plurality of antenna base blocks that can be placed at a full-dimension multiple input multiple output (FD-MIMO) antenna site, wherein each of the plurality of antenna base blocks includes a plurality of antennas. The network device further determines a first number of antennas to switch into the FD-MIMO antenna site based on the determined maximum number of the plurality of antenna base blocks, the first traffic distribution, and the first service reliability requirement; and causes the first number of antennas to be switched into the FD-MIMO antenna site.
Method and apparatus for measuring and feeding back channel information
A method for measuring and feeding back channel information and a corresponding apparatus are provided. In an embodiment the method includes determining, by a first network device, a first codebook from a first codebook set, wherein the first codebook set comprises at least two first codebooks, wherein a sub-vector Wx of each first codebook is formed by a zero vector and a non-zero vector, wherein vectors forming the Wx are associated with different groups of antenna ports, wherein each first codebook comprises at least one first sub-vector [ V a 0 0 V a 1 0 ] and/or at least one second sub-vector [ 0 V b 0 0 V b 1 ] , and wherein Va0 and Va1 are elements in the vector Va, and Vb0 and Vb1 are elements in the vector Vb and sending a codebook index to a second network device, wherein the codebook index is associated with the first codebook selected from the first codebook set.
Positional tracking assisted beam forming in wireless virtual reality systems
Embodiments of the present disclosure support a head-mounted display (HMD) wirelessly coupled to a console. The HMD includes a positional tracking system, a beam controller and a transceiver. The positional tracking system tracks position of the HMD and generates positional information describing the tracked position of the HMD. The transceiver communicates with a console via a wireless channel, in accordance with communication instructions, the communication instructions causing the transceiver to communicate over one directional beam of a plurality of directional beams. The beam controller determines a change in the positional information. Based on the change to the positional information, the beam controller determines a directional beam of the plurality of directional beams. The beam controller further generates the communication instructions identifying the determined directional beam, and provides the communication instructions to the transceiver.
Wireless communication system
A wireless communication system includes a first communication apparatus including a first antenna and a second antenna, a second communication apparatus including a third antenna and a fourth antenna, a first communication control unit that controls wireless communication based on electric field coupling or magnetic field coupling between the first antenna and the third antenna, and a second communication control unit that controls wireless communication based on electric field coupling or magnetic field coupling between the second antenna and the fourth antenna.
Electronic device that assists wireless communication by a memory card inserted in a slot thereof
An electronic device includes a main body having an aperture, a slot member disposed in the main body, the slot member having a slot exposed by the aperture and in which a memory card of a predetermined size is inserted and a connection terminal electrically connectable to a connection terminal of the memory card, and a coil disposed on a surface of the main body or within the main body so as to overlap with a surface of the slot member that is disposed to face a main surface of the memory card when the memory card is inserted in the slot.
Expansion modules with switches and external communication
An external auxiliary switch mechanism having a base device and an expansion module. The base device may incorporate a transceiver and microcontroller connected to the transceiver. The expansion module may incorporate a transceiver and a microcontroller connected to the transceiver. The microcontroller of the expansion module may have a connection to one or more switches and/or a communication module connected to a network. Data may be transferred wirelessly between the transceiver of the base device and the transceiver of the expansion module with, for example, near-field communication techniques. In some versions of the present mechanism, the expansion module may derive power from signals from the basic device.
Coaxial surface wave communication system and methods for use therewith
In accordance with one or more embodiments, a communication network includes a surface wave transceiver, mounted on a coaxial cable of a broadband cable network, configured to bidirectionally communicate wireless network data via guided electromagnetic waves that propagate along a surface of the coaxial cable. A plurality of analog surface wave repeater pairs, and a plurality of digital surface wave regenerator pairs, are also mounted on the coaxial cable. A plurality of access points, supported by corresponding ones of a plurality of utility poles that also support the coaxial cable, is configured to wirelessly transmit the wireless network data to a plurality of client devices in accordance with a wireless network protocol and to wirelessly receive client data from the plurality of client devices in accordance with the wireless network protocol. A plurality of surface wave add/drop multiplexer pairs, is also mounted on the coaxial cable.
Communication method between short range radio communication devices
A communication method between short range radio communication devices includes sharing multiple pieces of link information of multiple devices by the multiple devices making communication with each other through a frequency hopping scheme under a short range radio communication environment, such that the multiple devices communicate with each other without interference with each other even if mutually independently making communication, creating, by the multiple devices, multiple pieces of frequency slot allocation information based on the multiple pieces of link information and broadcasting the multiple pieces of created frequency slot allocation information, and making, by the multiple devices, first communication based on specific frequency slot allocation information among multiple pieces of received frequency slot allocation information.
In a circuit module, even if a transmission signal output from a transmission electrode of a mounting substrate to a transmission terminal of a splitter leaks into a ground electrode, the transmission signal that has leaked into the ground electrode is mainly transmitted along an edge of the ground electrode and the transmission signal that has leaked into the ground electrode flows into a plurality of via conductors arranged with end surfaces superposed with the edge of the ground electrode when viewed in plan. Therefore, a transmission signal that has been output from the transmission electrode and leaked into the ground electrode is prevented from traveling along the edge of the ground electrode toward the reception electrode side. As a result, isolation characteristics of the transmission electrode and the reception electrode from each other are improved.
Reconfigurable carrier aggregation FECC with switched filters and programmable band switching LNA
A front end module having reduced number of low noise amplifier (LNAs) for receiving various combinations of contiguous aggregation (CA) signals and non-CA signals having different combinations of signals aggregated therein. The FECC can include a broadband LNA and/or a band-switching LNA having at least two modes of operation. An input switch directs a received signal to one of several banks of filters. LNA switches direct the signals from the output of filters within a selected filter bank to particular LNAs. LNAs may be connected by LNA switches to filters in more than one filter bank. The proper mode of operation is selected for the band switching LNA based on the particular frequencies present in the received signal and the filters selected.
Linearization of a radiofrequency-signal transmission chain
A transmission chain receives an incident signal to be transmitted having a first power and a first bandwidth. A first modulator frequency shifts a first signal derived from the incident signal to generate a first shifted signal at a modulation output. A power amplifier coupled to the modulation output amplifies an intermediate signal to generate an amplified output signal. A predistortion-signal-generating circuit generates, from the incident signal and from the amplified output signal in a second bandwidth that is larger than the first bandwidth, a predistortion signal having a second power lower than the first power. A second modulator frequency shifts a second signal derived from the predistortion signal to generate a second shifted signal for combination with the first shifted signal at said modulation output to produce the intermediate signal.
Techniques for miscorrection detection for constituent codewords in product codes
Techniques are described for protecting miscorrection in a codeword. In one example, the techniques include obtaining a first set of data to be encoded using a product code comprising one or more constituent codes, and generating a second set of data by performing a miscorrection avoidance procedure on the first set of data. The miscorrection avoidance procedure decreases a probability of miscorrection at a decoder. The techniques further includes jointly encoding the first and the second set of data using an encoding procedure corresponding to the product code to generate at least one encoded codeword, and storing the encoded codeword in the memory.
Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 and quadrature phase shift keying, and bit interleaving method using same
A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for quadrature phase shift keying (QPSK) modulation.
Symbol-based coding for NAND flash devices
Techniques for processing bits associated with an “N” multiple level cell NAND flash memory, such as a QLC NAND flash memory, are described. In an example, a system generates a symbol based on the bits. The symbol corresponds to at least two bits. The system encodes the symbol in a non-binary codeword and stores the non-binary codeword in the “N” multiple level cell NAND flash memory based on a mapping between symbols and voltage levels of the “N” multiple level cell NAND flash memory. The system initializes a non-binary decoding procedure based on asymmetric crossover probabilities between the voltage levels. The asymmetric crossover probabilities are defined based on the mapping between the symbols and the voltage level. The system decodes the non-binary codeword based on the non-binary decoding procedure.
Low density parity check encoder having length of 64800 and code rate of 4/15, and low density parity check encoding method using the same
A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 4/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM).
Converter for converting code-modulated power with conversion code, and controller thereof
A converter includes: a terminal that receives code-modulated power that has been generated with a modulation code; and a circuit that intermittently converts the code-modulated power with a conversion code based on the modulation code. The code-modulated power is alternating-current power.
Segmented digital-to-analog converter (DAC)
Certain aspects of the present disclosure provide apparatus and techniques for segmenting a digital input signal for digital-to-analog conversion. For example, certain aspects provide a segmentation circuit for generating digital signal segments for a digital-to-analog converter. The segmentation circuit generally includes a modulo function logic circuit configured to generate a modulo output signal based on a digital input signal and a divisor input signal and a modulo range extension logic circuit configured to selectively direct the modulo output signal or the divisor input signal to an output of the segmentation circuit. In certain aspects, the output of the segmentation circuit may be used by the digital-to-analog converter to generate an analog signal based on the digital input signal.
Digital-to-analog converter system and method
An Interleaved Radio Frequency Digital-to-Analog Converter (RF DAC) suitable for use in cellular base stations and optimized to give both a wide RF tuning range and a wide RF bandwidth is disclosed. The RF DAC uses two levels of interleaving, the first providing a direct conversion path from Base Band (BB) to RF, and the second providing a variable interleaving factor through the use of summation to optimize the output bandwidth as a function of the RF center frequency. Digital Interpolation, including an arbitrary sample rate conversion filter, allows the RF DAC to operate from a wide range of possible BB sample rates and the DAC sample rate is a fixed ratio of the RF center frequency. As a result, the spurious outputs from the RF DAC are in known locations that are relatively easy to filter out, minimizing the frequency planning tasks required for a complete RF system design.
Analog to digital converter
The present embodiments provide an analog to digital converter, including a beam splitter, M photodetectors, M amplifier modules, and an encoder. Each output end of the beam splitter is corresponding to an input end of a photodetector, an output end of each photodetector is connected to an input end of an amplifier module, and an output end of each amplifier module is connected to an input end of the encoder. The beam splitter splits an inputted analog optical signal into M optical signals, outputs each optical signal to a corresponding photodetector to convert each optical signal into a current signal, inputs each current signal to a corresponding amplifier module to generate an output voltage, and outputs the output voltage to a corresponding input end of the encoder.
Method and system for time interleaved analog-to-digital converter timing mismatch estimation and compensation
Methods and systems for time interleaved analog-to-digital converter timing mismatch calibration and compensation may include receiving an analog signal on a chip, converting the analog signal to a digital signal utilizing a time interleaved analog-to-digital-converter (ADC), and reducing a blocker signal that is generated by timing offsets in the time interleaved ADC by estimating complex coupling coefficients between a desired digital output signal and the blocker signal utilizing a decorrelation algorithm on frequencies within a desired frequency bandwidth. The decorrelation algorithm may comprise a symmetric adaptive decorrelation algorithm. The received analog signal may be generated by a calibration tone generator on the chip. An aliased signal may be summed with an output signal from a multiplier. The complex coupling coefficients may be determined utilizing the decorrelation algorithm on the summed signals. A multiplier may be configured to cancel the blocker signal utilizing the determined complex coupling coefficients.
Quantum interference device, atomic oscillator, electronic apparatus, and moving object
A quantum interference device has an atomic cell which has alkali metal atoms disposed within. A light source emits light to excite the alkali metal atoms in the atomic cell. An optical element is disposed between the light source and the atomic cell, and enlarges the radiation angle of light emitted from the light source. A light detector detects light transmitted through the atomic cell.
Switched-capacitor loop filter
A loop filter has a first switched-capacitor network and a second switched-capacitor network. The first switched-capacitor network is coupled to an input node of the loop filter. The second switched-capacitor network is coupled to the input node of the loop filter. The input node of the loop filter is arranged to receive an input from a charge pump.
Reference-locked clock generator
Clock generation from an external reference by generating a reference clock gating signal using a reference clock gating circuit; enabling a ring-oscillator-injection mode using the reference clock gating signal to disable a first buffer of a ring oscillator and to enable a reference clock injection buffer, the first buffer and the injection buffer having parallel connected outputs that connect to a next buffer input; receiving a reference clock transition of a reference clock signal at the injection buffer and injecting it into the next buffer; and enabling a ring-oscillator-closed-loop mode by using the reference clock gating signal to enable the first buffer and to disable the reference clock injection buffer.
Monotonic counter and method of operating a monotonic counter
The present application relates to a system hosting a monotonic counter and a method of operating the system. The system comprises a non-volatile memory (110) for holding a save counter value and a volatile memory (120) for maintaining a current counter value. The system (100) is configured during a startup phase to retrieve the saved counter value of the monotonic counter from the non-volatile memory (110); to detect whether a previous shutdown of the system (100) was an uncontrolled shutdown; and to adjust the retrieved counter value in accordance with a step size (130) provided at the system (100) in case an previous uncontrolled shutdown is detected.
Synchronizing a self-timed processor with an external event
There is disclosed a self-timed processor. The self-timed processor includes trigger logic having a trigger input to receive an event trigger signal, a data input set to data value 1, a trigger output to send a trigger output signal when the event trigger signal is received, and a reset input to reset the trigger output signal. The processor also has a delay insensitive asynchronous logic (DIAL) block with multi-rail DIAL inputs to receive a multi-rail DIAL input having a) the trigger output signal, and b) data value 0; and data phase completion logic to output a completion signal indicating an end of a data propagate phase of the DIAL block to reset the trigger output signal when multi-rail data DIAL data process values of the DIAL block reach a DIAL valid state.
Code partitioning for the array of devices
According to an aspect of an embodiment, a method of array source code partitioning and topology determination may include determining an optimum topology of an array of field programmable gate array (FPGA) devices based on a processing specification. The method may include automatically performing the best-effort partitioning on a default topology of the array of FPGA devices. The method may include partitioning parallel and serial source code among the FPGA devices mapped into optimum topology or the default topology. The method may include mapping a virtual topology onto a fixed physical topology of the array of FPGA devices. The method may include presenting computing resources of the array of FPGA devices to a host or to an entire application as a larger FPGA or as software-defined computing resources.
Semiconductor apparatus including a power gating circuit and a repair method of the semiconductor apparatus
A semiconductor apparatus may include a logic circuit, a power gating circuit and a power gating control system. The logic circuit may operate by receiving a first power supply voltage and a second power supply voltage, and may retain an output signal at a predetermined logic value during a standby operation of the semiconductor apparatus. The power gating circuit may apply the first power supply voltage and the second power supply voltage to the logic circuit when a gating control signal is in an enabled state. The power gating control system may test whether the output signal of the logic circuit retains the predetermined logic value when the power gating circuit is turned off, and may generate the gating control signal based on a test result and an operation mode of the semiconductor apparatus.
Circuit device and electronic apparatus
A circuit device includes: a transmitting circuit that performs transmission of a signal by current-driving signal lines in a transmission period; a receiving circuit that receives a signal that a transmitting circuit of a communication partner has transmitted by current-driving the signal lines, in a reception period that is different from the transmission period; and terminating resistor circuits that can be connected to the signal lines, and whose resistance value in the transmission period is set to a value that is smaller than a resistance value in the reception period.
Dynamic control of edge shift for duty cycle correction
A duty cycle correction device may be provided for correcting a duty cycle of an input signal. The device includes a first duty cycle correction circuit. The first duty cycle correction circuit receives the input signal. The first duty cycle correction circuit generates a first intermediate signal. The device includes a first programmable delay circuit. The first programmable delay circuit is controlled by a first delay control signal. The first programmable delay circuit receives the first intermediate signal. The first programmable delay circuit generates an output signal. The device includes a second duty cycle correction circuit. The second duty cycle correction circuit receives the input signal. The second duty cycle correction circuit generates a second intermediate signal. The device includes a second programmable delay circuit. The second programmable delay circuit generates a reference signal. The device includes a skew control arrangement operable for generating the first delay control signal.
Voltage comparator arrangement, electronic component, chip card, embedded secure element
In various embodiments, an electronic component is provided. The electronic component may include a supply bus configured to provide a supply voltage for an electronic circuit. The electronic component may further include a voltage-controlled oscillator, which is coupled to the supply bus and is configured to generate a clock signal with a clock frequency according to the supply voltage. The electronic component may further include at least one reference oscillator, which is configured to generate a reference clock signal with a reference clock frequency, and a comparator, which is coupled to the voltage-controlled oscillator and the at least one reference oscillator and is configured to compare the clock signal with the reference clock signal and, on the basis of the comparison, either to output the clock signal to the electronic circuit or to suppress it.
Clock filter and clock processing method
A clock filter filtering a glitch of an input clock to generate an output clock is provided. A first delay circuit inverts the input clock to generate an inverted clock and delays the inverted clock to generate a first processing clock. A second delay circuit delays the input clock to generate a second processing clock. A first setting circuit generates a reset clock according to the inverted clock and the first processing clock. A second setting circuit generates a set clock according to the input clock and the second processing clock. When the set clock changes from a first level to a second level, a third setting circuit sets the output clock at the second level. When the reset clock changes from the first level to the second level, the third setting circuit sets the output clock to the first level.
Harmonic multiplier architecture
A method and system of providing harmonic frequency multiplication are provided. An input signal having a frequency f, is received by a programmable timing circuit. A signal that is in phase with the input signal, is provided at the first output of the programmable timing circuit. A time delayed version of the input signal, having the frequency f, is provided at the second output of the programmable timing circuit. A signal having the frequency f, is provided at the output of a first buffer. A duty cycled controlled signal having the frequency f, is provided at the output of the second buffer. A frequency nf, where n is a positive integer, is provided at the output of the multiplier. A higher-order frequency multiplied signal based on the frequencies f and nf, is provided at the output of a mixer.
Low power flip flop circuit
A flip-flop circuit configured to latch an input signal to an output signal is disclosed. The circuit includes a first latch circuit; and a second latch circuit coupled to the first latch circuit. In some embodiments, in response to a clock signal, the first and second latch circuits are complementarily activated so as to latch the input signal to the output signal, and the first and second latch circuits each comprises at most two transistors configured to receive the clock signal.
Tunable electroacoustic RF filter with improved electric properties and method for operating such a filter
The invention specifies a tunable RF filter which may operate using electroacoustic components and provides good electrical properties despite having a wide tuning range. For this purpose, the RF filter comprises a tunable filter core (AFK) having electroacoustic (EAK) and detunable (AKE) filter elements, and impedance restoration circuits (IWS1, IWS2) for compensating for an impedance change by tuning the filter core.
Resonator, oscillator, electronic apparatus, and vehicle
A resonator includes: a resonator element that includes a base portion and a resonating arm; and a base. When n is one natural number of 2 or greater and j is 1 or greater and a natural number which is less than or equal to n, the resonator element performs resonations with n inherent resonation modes. In a relationship between arbitrary integers kj and resonance frequencies fj corresponding to the n inherent resonation modes, respectively, when f1 represents the resonance frequency of the main resonation of the resonator element and a normalized frequency difference Δf is defined by Δ f ≡ ( ∑ j = 2 n k j f j - k 1 - f 1 ) / f 1 , a relationship of |Δf|≥0.03 is satisfied. The arbitrary integers kj satisfy relationships of 3≤Σj=1n|kj|≤10 and n≤Σj=1n|kj|. A ratio of an amount of a change in the resonance frequency of the main resonation, to excitation power that electrically excites the main resonation, is 20 [ppm/μW] or higher.
Guided wave devices with selectively loaded piezoelectric layers
A micro-electrical-mechanical system (MEMS) guided wave device includes a plurality of electrodes arranged below a piezoelectric layer (e.g., either embedded in a slow wave propagation layer or supported by a suspended portion of the piezoelectric layer) and configured for transduction of a lateral acoustic wave in the piezoelectric layer. The piezoelectric layer permits one or more additions or modifications to be made thereto, such as trimming (thinning) of selective areas, addition of loading materials, sandwiching of piezoelectric layer regions between electrodes to yield capacitive elements or non-linear elastic convolvers, addition of sensing materials, and addition of functional layers providing mixed domain signal processing utility.
Impedance matching circuits for photonic devices
Performance of a photonic integrated circuit (PIC) is improved by using at least one electro-optic (EO) device included in the PIC to perform at least one EO conversion operation whereby an information signal is transitioned from a first signal carrier type to a second signal carrier type different from the first signal carrier type. The first and second signal carrier types are selected from the group consisting of an optical signal carrier and an electrical signal carrier. An operating bandwidth of the PIC is increased by performing electrical signal impedance matching operations directly on the at least one optical media substrate. An improved electrical impedance match is thus obtained between the EO device and a second device exclusive of the PIC.
Magnetoresistive-based signal shaping circuit for audio applications
A magnetoresistive-based signal shaping circuit for audio applications includes: a field emitting device configured for receiving an input current signal from an audio signal source and for generating a magnetic field in accordance with the input current signal, and a first magnetoresistive element having a first electrical resistance and electrically connected in series to a second magnetoresistive element having a second electrical resistance. The magnetoresistive-based signal shaping device provides an output signal across the second magnetoresistive element when an input voltage is applied across the first and second magnetoresistive element in series. The output signal is a function of the electrical resistance and yields a dynamic range compression effect. The first and second electrical resistance vary with the magnetic field in an opposite fashion.
An amplifier that amplifies a differential signal includes first and second input terminals for receiving two input signals; first and second diodes each including an anode and a cathode, the anodes being electrically connected to the first and second input terminals; first and second bias current sources being respectively electrically connected to the cathodes of the first and second diodes; an operational amplifier connected to the cathode of the first diode and the cathode of the second diode and configured to amplify a differential signal between signals generated at the cathodes of the first and second diodes; a capacitive element being electrically connected between an input and an output of the operational amplifier; and a differential amplifier provided between the operational amplifier and the first and second input terminals and configured to amplify the two input signals. The first and second bias current sources include a current mirror circuit.
Amplifier adapted for noise suppression
Systems and methods of noise suppression by an amplifier are presented. In one exemplary embodiment, an amplifier comprises first and fourth transistors configured as a first differential pair of transistors in a common-gate configuration, and second and third transistors configured as a second differential pair of transistors in a common-source configuration. The first and fourth transistors are operative to receive, from a differential input, by a source of each first and fourth transistor, a differential input signal. Further, a drain of each first and fourth transistor is coupled to respective first and second outputs configured as a differential output. The second and third transistors are operative to output, from a drain of each second and third transistor, to the respective second and first outputs, a differential output signal. Further, a gate of each second and third transistor is coupled to the respective first and second inputs.
Envelope tracking power management circuit
An envelope tracking (ET) power management circuit is provided. The ET power management circuit includes an amplifier circuit(s) configured to output a radio frequency (RF) signal at a defined power level corresponding to a direct current, an alternating current, and an ET modulated voltage received by the amplifier circuit(s). The ET power management circuit can operate in a high-power ET mode when the defined power level exceeds a defined power level threshold and the RF signal is modulated to include no more than a defined number of resource blocks. The ET power management includes two ET tracker circuitries each generating a respective ET modulated voltage and two charge pump circuitries each generating a respective current. In the high-power ET mode, both charge pump circuitries are activated to each provide a reduced current to the amplifier circuit, thus helping to reduce a footprint and cost of the ET power management circuit.
Music reproducing device
A music reproducing device configured to have a balanced output and an unbalanced output, comprising: a first amplification circuit configured to amplify an audio signal, a second amplification circuit configured to amplify an inverted audio signal that the audio signal is inverted, a balanced output jack to which the audio signal which is amplified by the first amplification circuit and the inverted audio signal which is amplified by the second amplification circuit are output, an unbalanced output jack to which the audio signal which is amplified by the first amplification circuit is output, and circuitry configured to mute input of the second amplification circuit when plugs are connected to the balanced output jack and the unbalanced output jack.
Overcurrent protection device and drive device having overcurrent protection device
An overcurrent protection device has a threshold value for determination of a magnitude of motor current and performs: a first detection of detecting a period, during which the motor current takes a value larger than the threshold value, as a first value; a second detection of detecting a maximum value of the motor current as a second value by frequently detecting the motor current; and a signal formation of forming a motor stop signal based on determination using the first value and the second value.
Wound field generator overvoltage prevention
An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed.
Variable-speed pumped storage power generation apparatus
A variable-speed pumped storage power generation apparatus sets a maximum change rate of a power output command constant when a slip frequency is within a normal operating range, limits the maximum change rate of the power output command by multiplying the maximum change rate by a value in a range of one to zero when the slip frequency is within a range falling below a lower limit of the normal operating range by a predetermined value or less or within a range exceeding an upper limit of the normal operating range by a predetermined value or less, and limits the maximum change rate of the power output command by multiplying the maximum change rate by zero when the slip frequency is in a range falling below the lower limit by the predetermined value or more or in a range exceeding the upper limit by the predetermined value or more.
Motor control device
A terminal voltage detection circuit of a motor control device detects first detection values of a first terminal of a DC motor and second detection values of a second terminal of the DC motor. An inter-terminal voltage calculation unit calculates inter-terminal voltage calculation values from the first detection values and the second detection values. The inter-terminal voltage calculation unit outputs one of the calculation values having the smallest absolute value as an inter-terminal voltage selection value. A steering angle speed estimation unit estimates a steering angle speed based on the selection value and a motor current. A compensation control unit executes a compensation control based on the steering angle speed estimated by the steering angle speed estimation unit. Accordingly, robustness of the compensation control is improved and excess assist is restricted.
Systems and methods for operating motors with a single motor position signal
Systems and method for operating motors are provided. In an exemplary embodiment, a method for operating a motor includes receiving a first output corresponding to a motor angular position. The method further includes synthesizing a synthesized second output from the first output and from an estimated motor angular velocity. The method also includes calculating the motor angular position from the first output and the synthesized second output. The method includes estimating the motor angular velocity from the motor angular position. Further, the method includes operating the motor to produce torque based on the motor angular position and the motor angular velocity.
Methods and apparatus for three-phase motor control with error compensation
Method and apparatus for providing error compensation for a magnetic field sensing element in a three-phase motor. In embodiments, a driving angle is determined from zero-crossings of the magnet pole-pairs and error compensation levels for the pole-pairs is determined to reduce distortions in the motor current waveform.
Phase detecting device, motor system, image forming apparatus, conveyance device, and sensor level obtaining method
A phase detecting device includes a signal level detector configured to detect a first level of a signal according to a phase of a rotor of a motor, a level memory configured to store the first level of the signal preliminarily detected at each phase of the rotor as a second level of the signal at the phase of the rotor, and a phase detector configured to detect the phase of the rotor based on the second level of the signal inputted from the signal level detector.
Dynamic linear stator segment control
Method for controlling a dynamic linear motor. Method includes defining a path over which a rotor is to travel, placing stator segments at least along portions of the path where the rotor may be one of accelerated and decelerated and supplying a variable amplitude and frequency of voltage to power the stator segments in a synchronized manner so that, as the rotor approaches stator segments, the stator segments are powered and, as the rotor departs stator segments, the stator segments are depowered.
Circuit and method for indirect primary-side load current sensing in an isolated power supply
A DC-to-AC inverter provides an AC voltage to the primary winding of an output isolation transformer having at least one secondary winding and having an auxiliary winding. The current supplied to a secondary load is reflected back into the primary winding as a reflected secondary current. A first feedback signal has a reflected secondary current component and has a primary magnetizing current component. An auxiliary winding voltage is applied to an inductor to generate an auxiliary current proportional to the primary winding magnetizing current. A second feedback signal is responsive to the auxiliary current. The second feedback signal is combined with the first feedback signal to produce a total feedback signal responsive only to the reflected secondary current. The DC-to-AC inverter responds to the total feedback signal and a reference signal to adjust the AC voltage to maintain the total feedback signal at a magnitude corresponding to the reference signal.
Current fed active clamp forward boost converter
A current fed active clamp forward boost (CAFB) converter can include a primary coil coupled to an input voltage and a main switch, an input choke serially coupled with the primary coil, and a clamp switch coupled to the primary coil, input choke, and a clamp capacitor. The main switch may operate to regulate an output voltage of the converter. The clamp switch may operate alternately with respect to the main switch, and the auxiliary switch may selectively couple a DC bus voltage to the primary coil. The converter can be operated in a CAFB mode if the input voltage is greater than the boost voltage threshold or in a current fed active clamp forward (CAF) mode if the input voltage is not greater than the boost voltage threshold.
Isolated power transfer with integrated transformer and voltage control
An isolated power transfer device has a primary side and a secondary side isolated from the primary side by an isolation barrier. A secondary-side circuit includes a rectifier circuit coupled to a secondary-side conductive coil. The secondary-side circuit includes a first resistor coupled to a first power supply node and a terminal node. The secondary-side circuit includes a second resistor coupled to the terminal node and a second power supply node. The secondary-side circuit includes a first circuit to generate a feedback signal in response to a reference voltage and a signal on the terminal node. The feedback signal has a hysteretic band defined by the first resistor and the second resistor. The secondary-side circuit is configured as an AC/DC power converter that provides, on the first power supply node, an output DC signal having a voltage level based on a ratio of the first resistor to the second resistor.
Power supply circuit with converter circuit
Presented is a converter circuit having main switching circuiton a primary side of a transformer, for controlling supply of a current to a storage inductor on the primary side when the main switching circuit is conductive. The convertor circuit comprises: a control circuit operatively coupled to the main switching circuit and for controlling the main switching circuit, the control circuit comprising a control capacitor adapted to enable the control circuit and turn off the main switching circuit; an auxiliary inductor magnetically coupled to the storage inductor and adapted to trigger the control circuit to operate and turn off the main switching circuit in response to a voltage change in the storage inductor when the main switching circuit being conductive; and a charging circuit coupled between the auxiliary inductor and the control capacitor and adapted to enable the auxiliary inductor to charge the control capacitor. The charging circuit comprises first and second charging paths within the primary side between the auxiliary inductor and the control capacitor, the first charging path being conductive and the second charging path being conductive when a voltage across the auxiliary inductor is above a threshold value.
Programmable switching converter
A switching converter is provided that includes a power MOSFET, a controller having a drive pin connected to a gate terminal of the power MOSFET, and a resistor connected to the gate terminal. A compensation time selection circuit is included that has compensation times stored therein. A compensation time is selected from the compensation times based on a value of the resistor and stored in the controller. The selected compensation time compensates for an inherent delay in switching the power MOSFET to an ON state after the power MOSFET receives a signal to switch to the ON state to allow the power MOSFET to switch to the ON state when a drain voltage of the power MOSFET's reaches its lowest value during a switching cycle.
Reduction of electromagnetic interference in a flyback converter
A method for reducing electromagnetic interference in a flyback converter includes activating a first switch to generate a primary current therein. The first switch is deactivated to generate a secondary current from a magnetic flux generated by the primary current. The magnetic flux is removed by the generation of the secondary current. A second switch is activated with a first voltage pulse to limit an excess voltage across the first switch. The excess voltage is generated in response to the deactivation of the first switch. A second switch is activated with a second voltage pulse to limit a voltage oscillation across the first switch. The voltage oscillation occurs after the removal of the magnetic flux. A first pulse width of the first voltage pulse is increased by a first jitter delay. A second pulse width of the second voltage pulse is increased by a second jitter delay.
Providing adaptive output power
Embodiments of devices, systems, and methods for controlling the output voltages and currents of a power converter as requested by an adaptive device are described. In one embodiment, a power converter includes a primary controller, a secondary controller, and an opto-coupler configured to communicate a communication request, including a load request, by a secondary controller to a primary controller in a feedback signal. A method may include the operations of: executing a request cycle, by extending an “ON” state for a secondary switch, detecting a slope change in a scaled primary voltage signal, entering a communication-ready mode, converting a load request into communication information communicated in a feedback signal using an opto-coupler, decoding the communication information, and adjusting at least one of a reference voltage for output current and a reference voltage.
Frequency detection to perform adaptive peak current control
The amount of power being output to the load is sensed by sampling the frequency of the pulse width modulation signal that is controlling the switch that is providing the power to the load. If the pulse width modulation signal has a high frequency, then it will be providing higher power to the load. As the power drawn by the load decreases, the frequency of the pulse width modulation power supply signal will decrease. By sensing and periodically sampling the frequency of the pulse width modulation signal that is providing power, the demand of the load can be quickly and accurately determined. As the power demand of the load decreases, the peak current that the power supply switch can provide also decreases. The permitted peak current dynamically changes to adapt to the power drawn by the load.
Adaptive power converter topologies supporting active power factor correction (PFC)
A method includes operating a power converter in a first mode of operation, where the power converter includes multiple first switches and multiple boost diodes coupled to multiple first rails. Each first rail is also coupled to a different one of multiple boost inductors, and the power converter is coupled to multiple second rails. The power converter in the first mode converts electrical power transported between the first and second rails. The method also includes, during the first mode of operation, operating multiple second switches coupled in parallel across the boost diodes as synchronous switches. Each second switch is coupled across a different one of the boost diodes. The method further includes switching the power converter to a second mode of operation in which the first switches are deactivated and the second switches and the boost diodes operate as a full-bridge power converter.
Boost power factor correction circuit, driving circuit for light-emitting diode and lighting device
A boost power factor correction circuit, a driving circuit for light-emitting diodes and a lighting device are provided. The boost power factor correction circuit includes: a PFC controller; a PFC switch controlled by an output of the PFC controller; and an equivalent variable resistor connected between the PFC switch and the ground. A feedback current input of the PFC controller is connected to a node between the PFC switch and the equivalent variable resistor. The resistance of the equivalent variable resistor is controlled by the output voltage of the PFC circuit. In case that the PFC circuit operates under an mains AC or CCG input, the resistance keeps constantly minimum, and in case that the PFC circuit operates under an ECG input, the resistance increases as the output voltage of the PFC circuit decreases. The boost power factor correction circuit, the driving circuit for light-emitting diodes and the lighting device according to the present disclosure are able to be compatible with mains AC, CCG and ECG power supplies.
Power conversion device
The present invention is provided with a power converter and a control device for controlling the power converter, wherein each of the positive arm and the negative arm is comprised one converter cell or a plurality of converter cells connected in series, each converter cell being comprised: a series unit in which a plurality of switching elements are connected in series to each other; and a DC capacitor connected in parallel to the series unit, and the control device includes a DC voltage command value calculation unit which calculates a voltage command value for outputting, during a DC short circuit fault, AC voltage similar to that in a steady state to the AC terminal of the power converter, and for outputting, to the DC terminal of the power converter, DC voltage that allows the protection relay in the DC line to operate.
Control of AC source inverter to reduce total harmonic distortation and output voltage unbalance
Systems and methods for controlling a DC to AC inverter providing a multiphase output at a fundamental frequency are provided. More particularly, a synchronous reference frame control scheme can be employed to regulate a DC to AC inverter to attenuate error at various frequencies of interest for the DC to AC inverter. According to particular example aspects of the present disclosure, the synchronous reference frame control scheme can include control structures to provide for attenuation of the negative sequence and zero sequence currents, leading to reduced total harmonic distortion and voltage unbalance in the output voltage of the inverter.
Apparatus for a motor with oscillating magnet
An apparatus is disclosed. The apparatus may include a pulse device that may include a magnet. The pulse device may be configured to move the magnet in a reciprocating motion. The apparatus may include a magnet wheel that may include a magnet. A magnetic field produced by the magnet of the pulse device may repulse the magnet of the magnet wheel and turn the magnet wheel. The apparatus may include an axle connected to the magnet wheel. The axle may rotate in response to the magnet wheel turning. A system and method are also disclosed.
Controlled needle-free transport
A needle-free transdermal transport device for transferring a substance across a surface of a biological body includes a reservoir for storing the substance, a nozzle in fluid communication with the reservoir and a controllable electromagnetic actuator in communication with the reservoir. The actuator, referred to as a Lorentz force actuator, includes a stationary magnet assembly and a moving coil assembly. The coil assembly moves a piston having an end portion positioned within the reservoir. The actuator receives an electrical input and generates in response a corresponding force acting on the piston and causing a needle-free transfer of the substance between the reservoir and the biological body. The magnitude, direction and duration of the force are dynamically controlled (e.g., servo-controlled) by the electrical input and can be altered during the course of an actuation cycle. Beneficially, the actuator can be moved in different directions according to the electrical input.
Movement generating device
A movement generating device (10) comprising an input energy source (30), a shaft (28) adapted for movement substantially along a first axis with energy provided from said input energy source (30), a traction magnetic device (14) connected to said shaft (28), a power magnetic device (16) that is fixed in position, wherein the traction magnetic device (14) moves across the power magnetic device (16) to produce a movement from which energy can be produced.
Polyphase transverse flux machine
The disclosure relates to a polyphase transverse flux machine including a stator and a rotor configured to rotate relative to the stator about an axis in a circumferential direction. The transverse flux machine includes an electrical line running along a plurality of yokes in the circumferential direction, and a pair of permanent magnet arrays running in parallel in the circumferential direction. A plurality of return path bodies is provided in the stator, wherein each yoke has an associated return path body at a distance from the associated yoke in the radial direction. The magnetization direction of the permanent magnets in the permanent magnet arrays changes in such a way that a closed magnetic flux repeatedly occurs at each yoke during rotation of the rotor. The closed magnetic flux runs from one permanent magnet array across a respective yoke to the other permanent magnet array, and from there, across the associated return path body, back to the first-mentioned permanent magnet array.
Magnetic-drive axial-flow fluid displacement pump and turbine
What is disclosed are embodiments of magnetic torque transfer devices utilizing torque transfer by magnetic induction in which an induction cylinder fabricated from an electrical conductor is interposed into the gap between a pair of magnetically coupled primary and secondary rotors. Rotation of the induction cylinder relative to the coupled rotors evokes magnetic torque transfer in accordance with Lenz's Law. The primary rotor rotates within a toroid shaped stator. The stator may be configured for rolling biphasic coil control. The secondary rotor is attached to a propeller. The device may function as a turbine when fluid is directed to flow over the propeller. The device may function as a pump when AC power is supplied to the stator. Rolling biphasic motor control includes dividing motor coils into increments, then configuring groups of contiguous increments into virtual coils, which revolve in tandem with the primary rotor so to achieve continuous and optimal torque transfer with minimum torque ripple.
Radial counter flow jet cooling system
The present application provides a radial counter flow jet gas cooling system for a rotor of a dynamoelectric machine. The radial counter flow jet gas cooling system may include a centering pin, a number of axial inlet ducts, a number of radial outlet ducts in communication with the axial inlet ducts, an axial subslot positioned about the axial inlet ducts, and a radial counter flow duct in communication with the axial subslot and extending along the centering pin.
Bi-directional vibrator mechanism usable with a concrete finishing tool
A remote controlled vibration imparting device for a concrete finishing tool includes a case that attaches to a float using standard bolt layouts. A motor housing is suspended in and attached to the case, and the motor housing partly surrounds a vibrator with a support, a rotor with a shaft and weighted body, a bi-directional motor, and a coupler between the shaft and the motor. Also in the case are a variable speed controller and a remote switch, both of which are electrically connected to the motor and a battery located on or in the case. The case further includes a removable lid that attaches to a concrete finishing tool.
An electric pump is provided according to the application, which includes a housing, a shaft, an impeller, a rotor assembly, a stator assembly and an inner chamber. The shaft, the impeller and a rotor are arranged in the inner chamber. The housing includes a first housing, a partition and a second housing, and the partition divides the inner chamber into a wet chamber and at least one dry chamber. The partition includes a first side wall, a first bottom, a second side wall and a second bottom. The second side wall isolates the rotor assembly and the stator assembly. An outer peripheral surface of the second side wall is provided with reinforcing ribs, and the reinforcing ribs improve the strength of the second side wall.
Detection device, power reception device, power transmission device and non-contact power supply system
A detection device, including: one or a plurality of magnetic coupling elements configured to have one or a plurality of coils; and a detection unit that measures or calculates an effective resistance values of the magnetic coupling elements or an effective resistance value of a circuit including at least the magnetic coupling elements and determines a presence or absence of a foreign substance based on a change in the effective resistance value.
Wireless power transmission apparatus
A wireless power transmission apparatus according to an embodiment of the present invention includes a resonance-type coil unit, an induction-type coil unit, and a loss suppression unit including a serial resonant circuit connected to both ends of the induction-type coil unit, wherein the loss suppression unit resonates at a first frequency for driving the resonance-type coil unit. A wireless power transmission apparatus according to another embodiment of the present invention includes a resonance-type coil unit, an induction-type coil unit, and a switch element connected to both ends of the induction-type coil unit, wherein the switch element is turned on or off when power is transmitted by either of the resonance-type coil unit or the induction-type coil unit.
Efficiency improvement for soft-switched wireless power transmitters
A wireless power transmitter includes an inverter in which a voltage varies in response to a resonant network and circuitry configured to (A) measure a characteristic indicative of a load seen by the wireless power transmitter, (B) determine a duty cycle of the inverter based upon the characteristic, and (C) switch the inverter with the determined duty cycle.
Wireless energy transmission methods and wireless energy sending devices
Wireless energy transmission methods and wireless energy sending devices are provided. The wireless energy transmission method comprises: transmitting wireless energy to a first wireless energy receiving device with the minimum remaining energy level among multiple wireless energy receiving devices; and in a case where a value by which a remaining energy level of the first wireless energy receiving device is higher than a remaining energy level of a second wireless energy receiving device among the multiple wireless energy receiving devices exceeds a preset value, stopping transmitting wireless energy to the first wireless energy receiving device and starting to perform wireless energy transmission on the second wireless energy receiving device. The methods and the devices in at least one embodiment of the present application can implement balanced states of charge for wireless energy receiving devices in a wireless energy transmission process, and make it convenient for a user to use multiple wireless energy receiving devices.
Operation state determination system and program
An operation state determination system includes a receiver, a first memory and a determiner. The determiner is configured to compare, at a prescribed determination time point, a power value stored in the first memory with a reference value to determine whether or not an electric load connected to a branch circuit is in operation, and output a signal in accordance with a determination result. The determiner is further configured to determine that the electric load is in operation at the prescribed determination time point, when a time period during which the power value is equal to or more than the reference value occurs within a comparison time in past before the prescribed determination time point.
Method and apparatus for wireless charging
An electronic device and a method thereof, which supports fast wireless charging, are provided. The electronic device includes a wireless power circuit, and one or more processors which are functionally connected with the wireless power circuit, wherein the one or more processors are configured to execute detecting an external electronic device through the wireless power circuit, determining wireless power information corresponding to the external electronic device, determining whether the external electronic device supports a first charging power or a second charging power, at least partially based on the wireless power information, providing the first charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the first charging power, and providing the second charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the second charging power.
Dual-phase operation for concurrently charging a battery and powering a peripheral device
A multi-phase (e.g., dual-phase) concurrent configuration of a power management component supports higher current levels to peripheral devices while maintaining acceptable thermal limits. A dual-phase integrated circuit (IC) having a first input/output (I/O) port coupled to a battery and a second I/O port coupled to an adapter and a peripheral device implements the configuration. The dual phase IC includes a dual-phase voltage regulator that selectively provide power (i) from the first I/O port to the second I/O port to provide power to the peripheral device or (ii) from the second I/O port to the first I/O port to provide power to the battery. A controller activates a boost phase to power the second I/O port in response to detecting a demand current of the peripheral device exceeds a maximum current available from the adapter.
Method and system for providing power management for a wearable smart device
An approach for managing the use and distribution of power for wearable smart device is described. A wearable platform receives a notification signal for specifying sensor information associated with a sensor of a wearable smart device of a user. The wearable platform also determines a power requirement of the sensor based on the sensor information, contextual information associated with a mobile device of the user, or a combination thereof based on receipt of the signal. Still further, the wearable platform generates a request to regulate a consumption of power by the sensor or other sensors of the wearable smart device, to access a power controller for charging the sensor, or a combination thereof based on the determination, status information associated with the power controller, or a combination thereof.
Control of output power of a battery charger for charging a battery of an electronic device from an energy source
An electronic device may include a battery charger and a controller. The battery charger may receive a voltage from an energy source, and may provide an output power. The controller may receive a voltage value of the energy source, may receive a current value from the battery charger or the energy source, may determine a power value based on the received voltage value and the received current value, and may provide at least one control signal to the battery charger to change the output power of the charger.
Method and device for the voltage-controlled self-deactivation of electronic components or battery cells
The invention relates to a method for the voltage-controlled deactivation of battery cells (22) within a battery module (34, 38) or a battery pack (48) and for the voltage-controlled deactivation of electronic components (40, 52.1-52.8, 54) which are electrically connected to the battery cells and which are supplied with power by the battery cells. If a voltage falls below a threshold in the battery cells (22), supply lines (44, 46, 68, 70) to the electronic components (40, 52.1-52.8, 54) are automatically interrupted and/or battery cells (22) of the battery modules (34, 38) are separated from the main current circuit of the battery or of a battery pack (48).
Battery system with shipping mode
For a battery system including a battery pack and a battery management system, the battery system having output battery terminals, a method and apparatus for preventing inadvertent connection and disconnection the output battery terminals from the battery pack is disclosed.
Power conditioner, photovoltaic power generation device, and control method
A power conditioner (12) includes a detector (15) and a controller (19). The detector (15) detects electrical output of each of a plurality of photovoltaic cell modules (11). The controller (19) compares a change over time in the electrical output detected by the detector (15) with a threshold. When the change over time exceeds the threshold for a plurality of photovoltaic cell modules (11) and the photovoltaic cell modules (11) are in a predetermined positional relationship, the controller (19) causes the photovoltaic cell modules (11) to perform a maximum power point search.
Hierarchical control of a plurality of power subsystems and method of operating the same
An apparatus formed with a plurality of power subsystems, and method of operating the same. In one embodiment, the apparatus is formed with plurality of local controllers to control an operating characteristic of at least one of the plurality of power subsystems. A central controller of the apparatus is configured to receive an indication of an overall power produced by the plurality of power subsystems, selectively command a first local controller of the plurality of local controllers to change a value of the operating characteristic of a first power subsystem of the plurality of power subsystems, receive an indication of a change in the overall power in response to the change in the value of the operating characteristic of the first power subsystem, and store, in memory, the change in the value of the operating characteristic of the first power subsystem if the overall power is increased.
Electrical power systems incorporating thermal energy storage
The present invention provides a thermal storage system that is easily integrated with a wide range of electric power systems. In particular, the principles of the present invention are easily implemented at a very large scale to integrate with larger scale grid systems. The thermal storage aspects of the present invention are cost effective to implement. Also, the manner in which the systems operate allow thinner, less expensive wiring to be used effectively. Because heavy wiring can be a significant part of startup expenses, the ability to use thinner gauge wiring provides significant cost savings. Further, the systems are quickly responsive to grid conditions and not only modulate energy storage but also modulate energy storage fast enough to respond to grid conditions in real time.
Arrangement comprising an energy storage device for receiving electrical energy from an electrical network and discharing electrical energy to the electrical network
An arrangement for receiving electrical energy from a power grid and for discharging electrical energy to the power grid comprises: a converter to convert from AC to DC and vice versa and a control device. The converter includes: a power unit connected on one side to a DC I/O and on another side to an AC I/O; an energy storage device; an energy-converter; and a changeover mechanism to which the energy storage device or the energy-converter is connected via the DC I/O. The control device controls the changeover mechanism such that a neutral state is a state of charge of the energy storage device between 50% and 100%; and at or above the neutral state, the changeover mechanism connects the DC I/O of the converter to the energy-converter at a network frequency higher than a nominal network frequency plus a predetermined, non-zero amount.
Architectural wall panels and adornments for concealing indoor wiring and cables
Novel tools and techniques are provided for concealing indoor wiring and cables while serving as architectural wall panels or adornments. In various embodiments, a system of architectural wall panels might include one or more architectural wall panels and a plurality of wall mounts that are removably securable to a wall. Each architectural wall panel might include a front face having a decorative or architectural pattern thereon, a rear face, and two or more mounting protrusions formed on a surface of the rear face. Each mounting protrusion and an adjacent mounting protrusion might form or define a vertical channel having a size through which cables can be disposed when the wall panel is mounted on the wall. The two or more mounting protrusions removably couple with two or more corresponding wall mounts that have been secured to the wall, thereby allowing the wall panel to mount on the wall.
Isolation and exhaust system for an electrical enclosure
An electrical enclosure, such as a Motor Control Centers (MCC), can include a ventilation system providing airflow while protecting from both ingress of solid objects as small as 1.0 millimeter and egress of gasses from an arc flash by providing a protective mesh with holes having a dimension of less than 1 millimeter, a bracket coupled to the mesh for providing a rigid support, and a flap configured to seal against the bracket and block the mesh in response to a pressure wave produced by an arc flash. The flap, normally open for airflow, can close in response to the pressure wave, by bending at a perforation line to move the flap toward the mesh. The electrical enclosure can also include a normally closed exhaust system. The exhaust system can be configured to open in response to the pressure wave to allow the gasses to escape.
Ventilation and fire extinguishing device for electrical panels
A ventilation device for electrical panels, comprising a box-like metallic base (10), which is placed on top of an electrical panel and which has at least one lower opening (11) through which flows an air or heat flow (F) coming from said electrical panel, and at least one sheet or laminar element (12), preferably made of plastic material, placed above said box-like metallic base (10); a flap (13) is obtained in at least one portion of said laminar element (12), so that at least one portion of the perimeter of said flap (13) is made in one piece with said laminar element (12) and constitutes a linear fold (16) of said laminar element (12), suitable to allow said flap (13) raising and lowering with respect to said laminar element (12) for opening and closing a corresponding upper opening (15) of the laminar element (12) which is defined by said flap (13).
A laser device includes a light-emitting unit that generates a laser beam, an amplification unit that amplifies the laser beam generated by the light-emitting unit, a power supply unit that supplies power for generating the laser beam to the light-emitting unit, a plate-like cooling unit including a first cooling surface and a second cooling surface positioned opposite to the first cooling surface, and a housing in which the light-emitting unit, the amplification unit, the power supply unit, and the cooling unit are housed. The power supply unit and the light-emitting unit are arranged adjacent to the first cooling surface of the cooling unit. The amplification unit is arranged adjacent to the second cooling surface of the cooling unit.
Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same
An optical module and a method of assembling the optical module are disclosed. The optical module comprises a laser unit, a modulator unit, and a detector unit mounted on respective thermo-electric coolers (TECs). The modulator unit, which is arranged on an optical axis of the first output port from which a modulated beam is output, modulates the continuous wave (CW) beam output from the laser unit. On the other hand, the laser unit and the detector unit are arranged on another optical axis of the second output port from which another CW beam is output. The method of assembling the optical module first aligns one of the first combination of the laser unit and the modulator unit with the first output port and the second combination of the laser unit and the detector unit, and then aligns another of the first combination and the second combination.
Beam projection for fast axis expansion
A light projection system disclosed herein provides fast axis expansion of a light beam for high optical performance despite sizing constraints of a device into which the light projection system is integrated. In one implementation, the light projection system includes a diffuser, an edge-emitting semiconductor laser diode, and a printed circuit board. The diffuser defines a diffuser plane and is oriented to be substantially parallel to least a portion of the printed circuit board. The edge-emitting semiconductor laser diode emits laser light having a fast axis and a slow axis, with the fast axis of the laser light defining a fast axis plane corresponding to a path the laser light travels from the edge-emitting semiconductor laser diode. The edge-emitting semiconductor laser diode is oriented such that the fast axis plane is substantially parallel the diffuser plane between the diffuser and at least the parallel portion of the printed circuit board.
Method for expanding tuning range of all-solid-state continuous-wave single frequency laser
A method for expanding a tuning range of an all-solid-state continuous-wave single-frequency laser is provided. The method includes inserting a nonlinear frequency-doubling crystal into a laser resonant cavity, and converting a part of intra-cavity fundamental-frequency light to frequency-doubled light by the nonlinear frequency-doubling crystal, outputting the generated frequency-doubled light and the fundamental-frequency light together from the laser resonant cavity, and separating the two via a spectroscope. The method also includes splitting a part of the fundamental-frequency light reflected by the spectroscope through an optical beam-splitter, and outputting the remaining part of the fundamental-frequency light as a main laser. A cavity length of the laser resonant cavity is changed by adjusting a voltage loaded on a piezoelectric ceramic of the all-solid-state continuous-wave single-frequency laser, thereby achieving continuous frequency-tuning of the all-solid-state continuous-wave single-frequency laser.
Terminal crimp tool
A terminal crimp tool includes a first unit, a second unit, a third unit, multiple reinforcement rings, multiple pins and multiple C-clips. The first, second and third units are pivotably connected to each other by the restriction unit. The first, second and third units each have a pivotal hole defined in overlapped positions, and each pivotal hole is forcibly fitted with one reinforcement ring to reinforce the strength of the plates of the first, second and third units. The pins extend through the plates of the first, second and third units to ensure that the first, second and third units are pivoted smoothly and precisely so as to deform the terminals of wires or cables.
RJ communication connectors
A communications system includes a modified RJ45 plug and a modified RJ45 jack. The communications system allows for backwards connectivity and interoperability with other RJ45 jacks and plugs by having two potential contact points on each the plug and the jack that may serve as an electrical interface between different types of connectors.
A bracket to lock cell phone chargers or other electronic chargers to an electrical outlet into which they are plugged. This is to prevent unauthorized borrowing, theft or other removal of said chargers or charging wires.
Electrical connector with automatic latching
An electrical connector comprises a first housing member that engages a second housing member engages to form an enclosure. In the enclosure, a substrate supports a central set of conductive members in a second tubular portion a peripheral set of conductive members within the first hollow support. A first arm is pivotably attached to the second housing member. The first arm is resiliently biased inwardly toward the second base portion. A second arm is pivotably attached to the second housing member and spaced apart from the first arm. The second arm is resiliently biased inwardly toward the second base portion. In accordance with one aspect, the arms support automatic latching of the connector portion to a mating connector.
Cable protection kit and radio remote unit including the same
The present disclosure provides a cable protection kit and a Radio Remote Unit including the same. The cable protection kit (100,100′) for RRU(200) includes a main body(10,10′), a sealing member(30,30′) and a pressing assembly(20,20′). The main body(10,10′) has at least one hole(50) for correspondingly accommodating at least one cable(40), wherein the at least one hole(50) extends from a first end(11) of the main body(10,10′) to an opposite second end(12) thereof along a longitudinal direction of the main body(10,10′). The sealing member(30,30′) is located onto the first end(11) and at least partly enclosing the first end(11). The pressing assembly(20,20′) is located onto the main body(10,10′) adjacent to the sealing member(30,30′) and configured to press and deform the sealing member(30,30′) so that the sealing member(30,30′) fixes and seals up the cable protection kit(100,100′) to a frame of the RRU(200).
Connector connecting member enabling holding-side connectors to be connected easily to device-side connectors
A connector connecting member (10) is used to connect holding-side connectors (60) to device-side connectors (80) respectively provided in solenoids (90) serving as a plurality of electrical devices, and configured as a plate (11) including connector holding portions (12) and restrictions (13). A plurality of the connector holding portions (12) are arranged side by side in a direction intersecting a connecting direction. The restrictions (13) are arranged adjacent to the connector holding portions (12), restrict movements of the solenoids (90) by coming into contact with the solenoids (90) and align the holding-side connectors (60) at positions connectable to the device-side connectors (80).
Force limiting latch indicator
A latch indicator apparatus for indicating a locked status of an attachment between a cable housing and a cable receptor. The latch indicator apparatus includes a latch indicator attached to a cable housing at an attachment point, a first resistive element having a first resistance, and is attached to the cable housing at the attachment point. The restive element of the latch indicator attaches to an indicator tab. The latch indicator includes an indicator window, which is positioned to indicate a locked status of the latch indicator based on the first resistance of the first resistive element. The latch indicator tests a connection between a cable housing and a cable housing by indicating a locked status. The locked status is indicated by exerting a first force on the indicator tab by pulling the indicator tab in a direction away from the connection between the cable housing and the cable receptor.
Termination identification device and system
A device, method, and a system for identifying a connection cable from a communication device or facilities. The device comprises a connector for attaching to an end of a connection cable, said device bearing connection cable-identification means, such as alpha-numeric markings. In the embodiments described herein, the device comprises a shape for securely but releasably attaching to the connection cable end while the system comprises communication facilities that employ such devices. The device, method, and system described herein may have particular application for a connection cable having an end that is not connected with a communication device.
Terminal fitting and connector
It is aimed to improve a terminal holding force. A terminal fitting includes a terminal connecting portion (12) connectable to a mating terminal fitting, a wire connecting portion (13) disposed behind the terminal connecting portion (12) and to be connected to an end part of a wire, and a retainer locking portion (18) formed to project on the terminal connecting portion (12) and having a retainer locking surface (22) to be locked by a retainer (5). The retainer locking surface (22) is formed into a reverse tapered shape from a projecting end side toward a base end side.
Electrical connector and terminal
An electrical connector is configured to electrically connect to a chip module, where a bottom surface of the chip module is provided with at least one conductive sheet. The electrical connector includes: an insulating body, configured to sustain the chip module, and provided with at least one accommodating hole penetrating through the insulating body vertically; and at least one terminal, correspondingly accommodated in the at least one accommodating hole, and having at least two elastic arms. Two inner sides of two adjacent elastic arms of the at least two elastic arms are protrudingly provided with two contact portions upward, so that each of the contact portions is located higher than an upper surface of each of the two adjacent elastic arms. An outer side of each elastic arm is spaced from each of the contact portions. The two contact portions upward abut a same conductive sheet of the chip module.
Electrical press-fit contact element
An electrical press-in contact element with at least one press-in section, which extends in a direction of extension from a root area, in which the press-in section is connected with a contact body, up to a free end, and which has a middle zone flanked on either side by a respective edge zone from the root area up to the free end, wherein the edge zones form contact surfaces facing away from each other that, once the press-in section has been inserted into a press-in opening, for example of a circuit board, abut against the wall of the press-in opening. In order to improve the stability and contact reliability, it is provided that the edge zones are bent away from the middle zone around a bending line, so that the press-in section has a U- or C-shaped cross section. The edge zones form webs that project from the middle zone.
The present disclosure relates to a display device including a backplate made by metallic material, a fixing pillar, a flexible conductive layer, and a PCB. The fixing pillar includes a limiting portion, a fixing portion, and a connecting portion connected in sequence, and the connecting portion connects to the backplate. The flexible conductive layer sheathes a rim of the fixing, and the flexible conductive layer includes a first side and a second side opposite to the first side, and the second side connects to the backplate. The PCB connects between the limiting portion and the first side, and an area of the first side connected by the PCB includes a first ground area for electrically connecting to the backplate via the flexible conductive layer. The PCB of the display device may effectively reduce the electrostatic interference.
Pin aligning crimping fixture
A splice fixture for holding and crimping a plurality of power pins to a conductor of a submersible pump cable for an electrical connection in a well head. The splice fixture permits the use of standard crimping pliers to crimp the ends of a heavy gauge multi-conductor cables typically used for electric submersible pump (ESP) cables to the power pin for connection to an electrical power source external to the well head.
Cable connector assembly
A cable connector assembly includes an insulating body and a cable. The insulating body includes a first terminal group and a second terminal group received in the insulating body. The first terminal group has a first terminal. The first terminal has a first soldering surface at one end thereof. The second terminal group has a second terminal. The second terminal has a second soldering surface disposed opposite to the first soldering surface. The cable has a first core wire disposed between the first soldering surface and the second soldering surface and soldered to the first soldering surface and the second soldering surface. The first terminal and the second terminal have same functions share the first core wire and are directly soldered to the first core wire.
Switchable, oscillating near-field and far-field antenna
Disclosed is a system and method of a switchable, oscillating near-field and far-field antenna that may be used in access control systems. A controller is coupled to a transceiver, wherein the transceiver comprises an antenna module that includes both a near-field antenna and a far-field antenna. The near-field antenna is a subset of the far-field antenna, and the controller is adapted to cause the antenna module to oscillate between a near-field configuration and a far-field configuration while, for example, scanning an RFID tag of a wireless asset and receiving one or more return signals from the RFID tag, in order to determine a location of the wireless asset based on the one or more return signals.
Satellite television antenna system
A satellite television antenna apparatus is connectable to a remotely-located set top box (STB). The satellite television antenna apparatus can include a motorized reflector dish movable in at least one of an azimuth orientation and an elevation orientation, and an antenna control system. The antenna control system can be configured to conduct two-way communication through a physical connection or a wireless connection between the satellite television antenna apparatus and the STB. The antenna control system is responsive to an indication from the STB via the communication connection that a satellite location candidate locked onto by the satellite television antenna apparatus corresponds to a subscriber's television programming package.
Enhanced guided surface waveguide probe
Various examples are provided for enhanced guided surface waveguide probes, systems and methods. In one example, a guided surface waveguide probe includes a charge terminal elevated over a lossy conducting medium, the charge terminal includes a upper terminal portion coupled to a lower terminal portion through a variable capacitance. A feed network is configured to couple an excitation source to the charge terminal and provide a voltage to the charge terminal with a phase delay that matches a wave tilt angle associated with a complex Brewster angle of incidence associated with the lossy conducting medium. In another example a method includes positioning a charge terminal over a lossy conducting medium, where the charge terminal includes an upper terminal portion coupled to a lower terminal portion through a variable capacitance. The method also includes adjusting a phase delay of a feed network to match a wave tilt angle associated with a complex Brewster angle of incidence associated with the lossy conducting medium, where the feed network is configured to couple an excitation source to the charge terminal and provide a voltage to the charge terminal with the phase delay.
Process for smelting lithium-ion batteries
The invention concerns a process for the separation of cobalt from lithium present in a charge comprising lithium-ion batteries or related products, comprising the steps of: smelting the charge using a bath furnace equipped with a submerged air-fed plasma torch for injecting plasma gas into the melt; defining and maintaining a bath redox potential where cobalt is reduced to the metallic state and reporting to an alloy phase, and whereby lithium is oxidized as Li2O and reporting to the slag phase; decanting and separating the phases. It is characterized in that the reduction and oxidizing steps are performed simultaneously. A suitably low cobalt concentration is obtained in the slag.
Connector assembly for a battery system
A connector assembly for voltage monitoring battery cells of a battery module includes a connector having a plurality of terminals and a wire assembly extending from the connector along a wire axis. The wire assembly has a plurality of wires extending between a terminal end and a buss bar end. The terminal end is terminated to a corresponding terminal. The buss bar end is configured to be terminated to a voltage sensor associated with a corresponding buss bar of the battery module. The buss bar end is folded over such that the buss bar end extends at a transverse angle relative to the wire axis. The buss bar ends are staggered along the wire axis at different depths from the connector.
System and method for monitoring a state of health of a battery system
Systems and methods for monitoring a state of health of a battery are disclosed. The state of health of the battery may be determined based on an internal resistance of the battery. The state of health of the battery may be determined based on a measured terminal voltage of the battery, a measured current of the battery, a temperature of the battery, and a state-of-charge of the battery.
Positive temperature coefficient film, positive temperature coefficient electrode, positive temperature coefficient separator, and battery comprising the same
Provided herein is a positive temperature coefficient film comprising an inorganic positive temperature coefficient compound. Also provided herein are a positive temperature coefficient electrode, a positive temperature coefficient separator, and a positive temperature coefficient lithium secondary battery, each of which comprises the positive temperature coefficient film.
Method for producing secondary battery and secondary battery
The present invention provides a method for producing a secondary battery, capable of forming a uniform membrane on a wound body. Provided is a method including a step for reducing an internal pressure of an exterior, a step for pouring an electrolyte solution (E) into the exterior, a step for sealing the exterior, a step for impregnating the electrolyte solution (E) into the wound body from both axial end portions thereof, a step for performing initial charging of a battery, and a step for performing high-temperature aging of the battery. The additive LPFO is added into the electrolyte solution (E) in an amount such that the internal pressure of the exterior in the step for performing the high-temperature aging becomes equal to or higher than a saturation vapor pressure of the electrolyte solution (E) in the high-temperature aging.
Electrochemical energy storage device
An electrochemical energy storage device comprising an electrode assembly, an electrolyte, a packing shell and an adhesive material located between the electrode assembly and the packing shell. The adhesive material comprises an adhesive layer and a protective layer. A surface of the adhesive layer, arranged on an outer surface of the electrode assembly and far away from the cell, or a surface of the adhesive layer, arranged on an inner surface of the packing shell and close to the electrode assembly, are adhesive surfaces. The protective layer is arranged on the adhesive surface of the adhesive layer. The protective layer is non-cohesive at a normal temperature and pressure, after the protective layer is fully or partially dissolved in the electrolyte, the adhesive surface of the adhesive layer is exposed to bond the electrode assembly with the packing shell, and the protective layer contains a substance to bear an electric charge.
Secondary battery-use electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
A secondary battery, includes: a cathode; an anode; and an electrolytic solution including a sulfuric acid compound represented by Xn+[M(Rf)a(CN)b(SO4)c]m−, where Xn+ is one of ions such as a metal ion, M is one of elements such as transition metal elements, Rf is one of groups such as a fluorine group (—F), a is an integer of 0 to 4, b is an integer of 0 to 5, c is an integer of 1 to 4, m is an integer of 1 to 3, and n is an integer of 1 or 2, where one or more of Rf's are a monovalent fluorinated hydrocarbon group in a case where X=lithium (Li), M=boron (B), a=2, b=0, and c=1 are satisfied.
Cathode material for lithium-ion secondary battery and lithium-ion secondary battery
A cathode material for a lithium-ion secondary battery which is made of agglomerated secondary particles formed by agglomeration of a plurality of primary particles of electrode active material particles made of a transition metal lithium phosphate compound having an olivine structure that is coated with a carbonaceous material, in which an arithmetic average roughness Ra of agglomerated secondary particle surfaces observed using a three-dimensional scanning electron microscope is 3 nm or more and less than 15 nm.
Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
A secondary battery includes: a cathode and an anode that are opposed to each other with a separator in between; and an electrolytic solution. The cathode includes a cathode active material layer on a cathode current collector. The anode includes an anode active material layer on an anode current collector. A heat-resistant layer is provided at least in a region in which the cathode active material layer and the anode active material layer are opposed to each other between the cathode and the anode. The heat-resistant layer includes a material having a higher melting point or higher decomposition temperature than a melting point or decomposition temperature of the separator. The electrolytic solution includes an unsaturated cyclic ester carbonate.
Cathode and lithium battery using the same
A cathode and a battery including a cathode active material including a layer-structured material having a composition of xLi2MO3-(1-x)LiMeO2; and a metal oxide having a perovskite structure. The cathode active material may have improved structural stability by intermixing a metal oxide having a similar crystalline structure with the layer-structured material, and thus, life and capacity characteristics of a cathode and a lithium battery including the metal oxide may be improved.
Fuel cells for use at elevated temperatures and pressures
This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile catholyte solution flowing in fluid communication with the cathode, the catholyte solution comprising a polyoxometallate redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode, the catholyte solution further comprising vanadium species that result from the speciation of the polyoxometallate at an elevated temperature and/or pressure.
Method of electrolytically assisted carbochlorination
Method of combining industrial processes having inherent carbon capture and conversion capabilities offering maximum flexibility, efficiency, and economics while enabling environmentally and sustainably sound practices. Maximum chemical energy is retained throughout feedstock processing. A hybrid thermochemical cycle couples staged reforming with hydrogen production and chlorination. Hydrogen generated is used to upgrade feedstocks including bitumen, shale, coal, and biomass. Residues of upgrading are chlorinated, metals of interest are removed, and the remainder is reacted with ammonia solution and carbon dioxide to form carbonate minerals. The combination provides emissions free production of synthetic crude oil and derivatives, as well as various metals and fertilizers. Sand and carbonate minerals are potentially the only waste streams. Through this novel processing, major carbon dioxide reduction is afforded by minimizing direct oxidation. Supplemental heat to run the reactions is obtained through external means such as concentrated solar, geothermal, or nuclear.
On demand variable supply fuel cell
An example on demand, variable supply fuel cell may include an anode coupled to provide electrical continuity for output power of the fuel cell, a cathode coupled to provide electrical continuity for the output power of the fuel cell, a membrane electrode assembly (MEA) disposed between the anode and cathode, the MEA coupled to generate the output power in response to exposure to a fuel, a plurality of capillary tubes to deliver the fuel to the MEA, wherein a first end of each of the plurality of capillary tubes is disposed adjacent to the MEA, and a plate isolator coupled to expose a second end of one or more capillary tubes of the plurality of capillary tubes to the fuel in response to a control signal, where the control signal is based on an amount of output power the fuel cell is to generate.
Fuel cell gas diffusion layer and method of manufacturing same
A fuel cell gas diffusion layer includes a porous member containing electrically-conductive particles and polymeric resin as major components, and a plurality of holes extending from a main surface of the fuel cell gas diffusion layer are formed.
Catalyst for fuel cells and method for producing the same
The present invention is to provide a catalyst for fuel cells, which is able to inhibit gas diffusion resistance and shows high IV characteristics far more than conventional fuel cell catalysts, and a method for producing the catalyst. Disclosed is a catalyst for fuel cells, comprising fine catalyst particles, each of which comprises a palladium-containing particle and an outermost layer containing platinum and covering the palladium-containing particle, and a carrier on which the fine catalyst particles are supported, wherein the catalyst for fuel cells satisfies 0.9×S1≤S2 in which S1 is a BET specific surface area of a material for the carrier, and S2 is a BET specific surface area of the carrier in the catalyst for fuel cells.
Positive electrode including discrete aluminum oxide nanomaterials and method for forming aluminum oxide nanomaterials
A positive electrode includes a lithium-based active material, a binder, a conductive filler, and discrete aluminum oxide nanomaterials. The aluminum oxide nanomaterials are mixed, as an additive, throughout the positive electrode with the lithium-based active material, the binder, and the conductive filler. The positive electrode with the discrete aluminum oxide nanomaterials may be incorporated into a lithium ion battery. The aluminum oxide nanomaterials may be formed by the following method. A solution is formed by mixing an aluminum oxide precursor and an acid. A carbon material is added to the solution, thereby forming an aqueous mixture having the carbon material therein. Hydrothermal synthesis is performed using the aqueous mixture, and precursor nanostructures are grown on the carbon material. The precursor nanostructures on the carbon material are annealed so that the carbon material is removed and aluminum oxide nanomaterials are formed.
Charge storage material, electrode active material and secondary battery
Materials having charge-storing properties and made variously of dipyridine-fused benzoquinones of formula (1) below or derivatives thereof, dipyridine-fused benzoquinones of formula (4) below or derivatives thereof, or dipyridine-fused benzoquinone skeleton-containing polymers are provided. In the formulas, Ar1 and Ar2 are each independently a pyridine ring that forms together with two carbon atoms on a benzoquinone skeleton, or a derivative thereof. When used as electrode active materials, these charge storage materials are capable of providing high-performance batteries possessing a high capacity, high rate characteristics and high cycle characteristics.
Porous carbonized composite material for high-performing silicon anodes
An electrode material for an electrochemical cell, such as a lithium ion battery or a lithium sulfur battery, is provided. The electrode may be a negative anode. The electrode material comprises a composite comprising a porous matrix comprising a carbonized material. The electrode material further comprises a plurality of silicon particles homogeneously dispersed in the porous matrix of carbonized material. Each silicon particle of the plurality has an average particle diameter of greater than or equal to about 5 nanometers and less than or equal to about 20 micrometers.
Positive-electrode active material for lithium-ion secondary battery, positive electrode and lithium-ion secondary battery
An object of the present invention is to provide a novel sulfur-based positive electrode active material for a lithium-ion secondary battery which is excellent in cyclability and can largely improve a charging and discharging capacity, a positive electrode comprising the positive electrode active material and a lithium-ion secondary battery made using the positive electrode. The sulfur-based positive electrode active material is obtainable by subjecting a starting material comprising a polymer, sulfur and an organometallic compound dispersed in a form of fine particles to heat-treatment under a non-oxidizing atmosphere, wherein the particles of metallic sulfide resulting from sulfurization of the organometallic compound are dispersed in the heat-treated material, and particle size of the metallic sulfide particles is not less than 10 nm and less than 100 nm.
Method of producing positive electrode active material for nonaqueous electrolyte secondary battery
A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio 1D90/1D10 of a 90% particle size 1D90 to a 10% particle size 1D10 in volume-based cumulative particle size distribution is 3 or less; mixing the composite oxide particles and a lithium compound to obtain a first mixture; subjecting the first mixture to a first heat treatment at a first temperature and a second heat treatment at a second temperature higher than the first temperature to obtain a first heat-treated product; and subjecting the first heat-treated material to a dispersion treatment.
Anodes for batteries based on tin-germanium-antimony alloys
An anode for a battery including an electrochemically active material including a ternary alloy of tin (Sn), germanium (Ge), and antimony (Sb). A battery including the anode, a cathode, a separator, and an electrolyte. The ternary alloy may include SnxGeySbz, where x+y+z=100, and x≥y or x≥z. The alloy may include a multiphase microstructure with an amorphous phase and nanocrystalline phase, each of the phases being ion active.
Negative electrode active material and method of preparing the same
Provided are a negative electrode active material and a method of preparing the same, and particularly, the present invention relates to a negative electrode active material including a core including natural graphite, and a shell surrounding the core and including a roughened amorphous carbon layer.Since the negative electrode active material according to the present invention has a roughened surface, adhesion may be improved by using a less amount of a binder due to an anchoring effect in which curved surfaces of active material particles in contact with each other are anchored. Thus, an increase in resistance due to the use of an excessive amount of the binder may be prevented while achieving high loading in a negative electrode.Also, since a specific surface area is increased due to the roughened surface, access of lithium ions becomes easy, and thus, high output of a battery may be obtained.
Device and method for removing moisture from a battery housing
The invention relates to a device for removing water from a battery housing (100) or a battery separator, comprising a body (310) having a plurality of capillaries (3201-3207) and electrodes (330, 340) for producing an electric field, and a control device (350) for controlling the electric field for removing water through means of the capillaries (3201-3207), a battery housing, a battery separator, a battery system, a vehicle, a method, a computer program and a computer program product.
A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, a center pin at a center of the electrode assembly, the center pin including a bonding portion electrically coupled to the first electrode, and a terminal portion connected to one end of the bonding portion, a case housing the electrode assembly, and a gasket insulating between the center pin and the case, the gasket enclosing an edge of the terminal portion of the center pin.
The invention relates to a battery system, in particular for a hybrid drive, comprising a housing and a plurality of battery cells arranged within the housing, said cells being combined to give a cell block, wherein a container having a variable inner volume is arranged between the cell block and at least one housing wall, by means of which container the cell block can be braced relative to the housing, wherein the container is filled with a curable or cured medium.
Battery cover catch apparatus
The present disclosure provides a battery cover catch apparatus. The apparatus includes a battery cover, a slide switch, a catch, and a body. A chute which longitudinally extends is provided on the battery cover. The slide switch is disposed on the chute so as to be able to slide between a first position and a second position. The slide switch includes a block located inside the battery cover. The block is connected to the catch so as to drive the catch to slide synchronously. The catch includes a tongue disposed in a same direction as the extending direction of the chute. The body is provided with a recess correspondingly matching to the tongue. The tongue is engaged with the recess when the slide switch is in a first position, and the tongue is separated from the recess when the slide switch is in a second position.
Organic light-emitting display apparatus and method of manufacturing the same
Provided are an organic light-emitting diode display apparatus and a method of manufacturing the same. In an exemplary embodiment, an organic light-emitting diode (OLED) display apparatus includes a substrate, an OLED device on the substrate, and a capping layer on the organic light-emitting device. The capping layer includes a first capping layer and a second capping layer. The second capping layer includes a first material and a second material. The first material and the second material are different from each other.
Flexible organic light emitting diode display device
Embodiments relate to a flexible organic light emitting diode (OLED) display device and a method for manufacturing the flexible OLED display device. The display device includes a multi-layered encapsulation film coving pixel regions of the display device, and a metal layer on or within at least a portion of the encapsulation film, the portion in a bending region of the flexible substrate. The multi-layered encapsulation film includes at least a first inorganic layer, an organic layer, and a second inorganic layer. The metal layer is formed in the bending region such that the stress generated in the encapsulation film by folding, bending, or rolling operations in the bending region is reduced by the metal layer. The metal layer prevents generation of cracks in the encapsulation film and thus, prevents moisture penetration into the display area of the display device.
Organic EL display provided with gel-state encapsulant incorporating a desiccant and a high molecular-weight medium
A sealing substrate is arranged to oppositely face an element substrate on which organic EL layers are formed in a matrix array with a sealing material sandwiched therebetween. A gel-state desiccant is filled in an inner space surrounded by the element substrate, the sealing substrate and the sealing material. Since the gel-state desiccant is in a gel state, the gel-state desiccant is flexibly filled in the inner space of the organic EL display device thus completely eliminating a gap. Since the inner space is filled with the gel-state desiccant, moisture hardly intrudes into the inner space from the outside and, at the same time, a mechanical strength of the organic EL display device is also enhanced.
Display device having buffer patterns
A display device includes a first substrate having a display area and a non-display area around the display area, a seal pattern in the non-display area and offset from the display area, and one or more buffer patterns between the seal pattern and the display area and having a viscosity of 5000 cps to 50000 cps.
Flexible display apparatus
A flexible display apparatus includes a substrate, a thin film encapsulation layer, a plurality of spacers, and at least one layer of a blocking dam in the non-display region. The substrate includes a display region having a plurality of pixels and a non-display region adjacent to the display region. The thin film encapsulation layer is over the substrate. The spacers are between the substrate and the thin film encapsulation layer and are arranged around a pixel region. A different arrangement of spacers are in a center region and an edge region of the display region. The different arrangement may correspond to at least one of a size and a number of the spacers.
Organic light-emitting display apparatus
An organic light-emitting display apparatus includes: a substrate; a display unit on the substrate and including a display area and a non-display area outside of the display area; and a thin-film encapsulation layer that seals the display unit, wherein the non-display area includes a dam region located outside of the display area and a plurality of protrusions on at least a part of the display unit outside of the dam region.
Organic light-emitting diode having a plurality of light-emitting segments
An organic light-emitting diode is disclosed. In an embodiment, the diode includes a first light-emitting segment and at least a second light-emitting segment, wherein the first and second light-emitting segments include a common first electrode and a common second electrode, and are configured to emit radiation with different brightnesses, wherein the first electrode includes at least one separating line that does not completely cut through the first electrode, wherein an electric conductivity of the first electrode is reduced in a region of the separating line, wherein the separating line separates the first light-emitting segment from the second light-emitting segment, and wherein the second light-emitting segment has a lower brightness during operation than the first light-emitting segment.
Display panel preparation method, display panel and display device
The present disclosure provides a display panel including a substrate, an anode on the substrate, a pixel defining layer on the anode, a light-emitting layer on the pixel defining layer, a first organic layer on the light-emitting layer and an inorganic layer on surfaces of the plurality of pixel walls in the pixel defining layer and the first organic layer. The pixel defining layer includes a plurality of pixel walls and pixel defining areas. The light-emitting layer is in the pixel defining areas and covering the anode. The first organic layer includes a plurality of first protrusions. The inorganic layer includes a plurality of second protrusions, the second protrusions are located on a side of the inorganic layer away from the first organic layer, and each of the second protrusions corresponds to each of the first protrusions. A display panel preparation method and a display device are further provided.
Organic light emitting display panel and organic light emitting display device including the same
An organic light emitting display panel includes a substrate, a driving transistor provided on the substrate, a first insulation layer covering the driving transistor, a second insulation layer covering the first insulation layer, a first electrode provided on the second insulation layer and connected to a first conductor part of the driving transistor, a second electrode provided on the second insulation layer and connected to a second conductor part of the driving transistor, a passivation layer covering the first electrode, the second electrode, and the second insulation layer, and an organic light emitting diode provided on the passivation layer, an anode configuring the organic light emitting diode is connected to the first conductor part, and the anode protrudes convexly from an upper surface of the passivation layer.
Provided is a light-emitting element with high external quantum efficiency and a low drive voltage. The light-emitting element includes a light-emitting layer which contains a phosphorescent compound and a material exhibiting thermally activated delayed fluorescence between a pair of electrodes, wherein a peak of a fluorescence spectrum and/or a peak of a phosphorescence spectrum of the material exhibiting thermally activated delayed fluorescence overlap(s) with a lowest-energy-side absorption band in an absorption spectrum of the phosphorescent compound, and wherein the phosphorescent compound exhibits phosphorescence in the light-emitting layer by voltage application between the pair of electrodes.
Organic thin film transistor and manufacturing method thereof
An organic thin film transistor includes a substrate, a hydrophobic layer, an oxide layer, a hydrophilic layer, a semiconductor layer, and a source/drain layer. The hydrophobic layer covers a surface of the substrate. The oxide layer is located on the hydrophobic layer and has plural segments. The hydrophilic layer is located on the segments of the oxide layer, and the oxide layer is located between the hydrophilic layer and the hydrophobic layer. The semiconductor layer is located on the hydrophilic layer, and the hydrophilic layer is located between the semiconductor layer and the oxide layer. The source/drain layer connects across the semiconductor layer on the segments of the oxide layer.
Organometallic compound, composition containing the organometallic compound, and organic light-emitting device including the organometallic compound or composition
An organometallic compound represented by Formula 1: wherein, in Formula 1, groups an variables are the same as described in the specification.
Organometallic complex and organic light-emitting diode including the same
An organometallic complex and an organic light-emitting diode including the same, the organometallic complex being represented by Formula 1 below:
Compound and organic photoelectric device, image sensor and electronic device including the same
A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
Heterocyclic compound and organic light-emitting element using same
The present specification provides a heterocyclic compound and an organic light emitting device using the same.
Organic light-emitting device having improved efficiency characteristics and organic light-emitting display apparatus including the same
An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, a phosphorescent emission layer between the first electrode and the second electrode, an electron transportation layer between the phosphorescent emission layer and the second electrode, an electron control layer between the phosphorescent emission layer and the electron transportation layer, and an electron blocking layer between the phosphorescent emission layer and the first electrode. An organic light-emitting display apparatus includes the organic light-emitting device.
Organic electroluminescent device
An organic electroluminescent device having low driving voltage, high luminous efficiency, and a long lifetime is provided by combining various materials for an organic electroluminescent device. In the organic electroluminescent device having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light emitting layer, an electron transport layer, and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor. In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.
Anthracene derivative, light-emitting element using the same, and light-emitting device using the same
It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms.
Systems and methods for magnetic shielding
Systems and methods for magnetic shielding are described. A magnetic shield formed of a material having a high magnetic permeability may be degaussed using a toroidal degaussing coil. The toroidal degaussing coil may enclose at least a portion of the shield. Magnetic field gradients may be actively compensated using multiple magnetic field sensors and local compensation coils. Trapped fluxons may be removed by an application of Lorentz force wherein an electrical current is passed through a superconducting plane.
Thermoelectric device, thermoelectric module including the thermoelectric device, thermoelectric apparatus including the thermoelectric module, and method of manufacturing the same
A thermoelectric device including: a thermoelectric material layer comprising a thermoelectric material; a transition layer on the thermoelectric material; and a diffusion prevention layer on the transition layer, wherein the thermoelectric material comprises a compound of Formula 1: (A1-aA′a)4-x(B1-bB′b)3-y-zCz Formula 1 wherein A and A′ are different from each other, A is a Group 13 element, and A′ is at least one element of a Group 13 element, a Group 14 element, a rare-earth element, or a transition metal, B and B′ are different from each other, B is a Group 16 element, and B′ is at least one element of a Group 14 element, a Group 15 element, or a Group 16 element, C is at least one halogen atom, a complies with the inequality 0≤a<1, b complies with the inequality 0≤b<1, x complies with the inequality −1
Methods to synthesize single source precursors and methods to deposit nanowire based thin films for high efficiency thermoelectric devices
Single source precursors, methods to synthesize single source precursors and methods to deposit nanowire based thin films using single source precursors for high efficiency thermoelectric devices are provided herein. In some embodiments, a method of forming a single source precursor includes mixing a first compound with one of SbX3, SbX5, Sb2(SO4)3 or with one of BiX3, Bi(NO3)3, Bi(OTf)3, Bi(PO4), Bi(OAc)3, wherein the first compound is one of a lithium selenolate, a lithium tellurolate, a monoselenide, or a monotelluride.
The present application discloses a light-emitting array, comprising a first light-emitting chip; a second light-emitting chip; and a conductive line electrically connected to the first light-emitting chip and the second light-emitting chip, wherein the conductive line includes a first segment and a second segment having a radius curvature different from that of the first segment.
Light emitting device
A light emitting device includes a light emitting element to emit a first light having a first peak wavelength. A second wavelength converting member contains a second phosphor to convert the first light into a third light having a third peak wavelength longer than the first peak wavelength and shorter than a second peak wavelength. The second wavelength converting member includes a portion in which the second wavelength converting member has a first concentration of the second phosphor at a height of an upper surface of the light emitting element in a height direction and a second concentration of the second phosphor at a height of a lower surface of the light emitting element in the height direction. The second concentration is higher than the first concentration such that the second phosphor reflects the second light.
UV light-emitting diode
An UV light-emitting diode includes a patterned substrate, a template layer, a growth layer, a first n-type semiconductor layer, an intrinsic semiconductor layer, a second n-type semiconductor layer, a plurality of layers of multiple quantum wells, a barrier layer, a first electron blocking layer, a second electron blocking layer, a first p-type semiconductor layer and a second p-type semiconductor layer in sequence from a bottom layer to a top layer. Whereas the aforementioned layers all include Group III nitride materials and the number of layers for the plurality of layers of multiple quantum wells is at least five layers. Because the first n-type semiconductor layer, the first p-type semiconductor layer, and the plurality of layers of multiple quantum wells all contain aluminum, short-wavelength UV light is emitted when a current is applied.
Solid-state transducer devices with optically-transmissive carrier substrates and related systems, methods, and devices
Semiconductor device assemblies having solid-state transducer (SST) devices and associated semiconductor devices, systems, and are disclosed herein. In one embodiment, a method of forming a semiconductor device assembly includes forming a support substrate, a transfer structure, and a plurality semiconductor structures between the support substrate and the transfer structure. The method further includes removing the support substrate to expose an active surface of the individual semiconductor structures and a trench between the individual semiconductor structures. The semiconductor structures can be attached to a carrier substrate that is optically transmissive such that the active surface can emit and/or receive the light through the carrier substrate. The individual semiconductor structures can then be processed on the carrier substrate with the support substrate removed. In some embodiments, the individual semiconductor structures are singulated from the semiconductor device assembly and include a section of the carrier substrate attached to each of the individual semiconductor structures.
Highly doped layer for tunnel junctions in solar cells
A highly doped layer for interconnecting tunnel junctions in multijunction solar cells is presented. The highly doped layer is a delta-doped layer in one or both layers of a tunnel diode junction used to connect two or more p-on-n or n-on-p solar cells in a multijunction solar cell. A delta-doped layer is made by interrupting the epitaxial growth of one of the layers of the tunnel diode, depositing a delta dopant at a concentration substantially greater than the concentration used in growing the layer of the tunnel diode, and then continuing to epitaxially grow the remaining tunnel diode.
Washable mold for conformable layer formation on semiconductor devices
Embodiments relate to forming a conformable interface layers (clayers) on small semiconductor devices, such as light emitting diodes (LEDs) to facilitate adhesion with a pick-up head for operations during the manufacturing of an electronic display. A conformable material is formed in regions between LED dies on a carrier substrate and over the LED dies. A mask is applied over the conformable material to selectively cover the conformable material. Portions of the conformable material are exposed to light to selectively cure or not cure the portions of the conformable material. The conformable material between the LED dies is removed to form a conformable interface layer over each of the LED dies.
Proximity detector device with interconnect layers and related methods
A proximity detector device may include a first interconnect layer including a first dielectric layer, and first electrically conductive traces carried thereby, an IC layer above the first interconnect layer and having an image sensor IC, and a light source IC laterally spaced from the image sensor IC. The proximity detector device may include a second interconnect layer above the IC layer and having a second dielectric layer, and second electrically conductive traces carried thereby. The second interconnect layer may have first and second openings therein respectively aligned with the image sensor IC and the light source IC. Each of the image sensor IC and the light source IC may be coupled to the first and second electrically conductive traces. The proximity detector device may include a lens assembly above the second interconnect layer and having first and second lenses respectively aligned with the first and second openings.
Methods and apparatus are provided for converting electromagnetic radiation, such as solar energy, into electric energy with increased efficiency when compared to conventional solar cells. One embodiment of the present invention provides a photovoltaic (PV) device. The PV device comprises an absorber layer made of a compound semiconductor; and an emitter layer located closer than the absorber layer to a first side of the device. The PV device includes a p-n junction formed between the emitter layer and the absorber layer, the p-n junction causing a voltage to be generated in the device in response to the device being exposed to light at a second side of the device. Such innovations may allow for greater efficiency and flexibility in PV devices when compared to conventional solar cells.
Method of patterning an amorphous semiconductor layer
Methods of patterning an amorphous semiconductor layer according to a predetermined pattern via laser ablation with a pulsed laser having a laser wavelength are disclosed. In one aspect, a method may include providing the amorphous semiconductor layer on a substrate, providing a distributed Bragg reflector on the amorphous semiconductor layer, wherein the distributed Bragg reflector is reflective at the laser wavelength, providing an absorbing layer on the distributed Bragg reflector, wherein the absorbing layer is absorptive at the laser wavelength, patterning the absorbing layer by laser ablation, in accordance with the predetermined pattern, patterning the distributed Bragg reflector by performing an etching step using the patterned absorbing layer as an etch mask, and etching the amorphous semiconductor layer using the patterned distributed Bragg reflector as an etch mask. Methods of fabricating silicon heterojunction back contact photovoltaic cell(s) using such amorphous semiconductor layer patterning process are also disclosed.
Semiconductor device including an ultraviolet light receiving element and method of manufacturing the same
First and second semiconductor light receiving elements each include: a first P-type semiconductor region which is formed in an N-type semiconductor substrate; a first N-type semiconductor layer region which is formed in the first P-type semiconductor region; a P-type semiconductor region having a high concentration which is formed in the first P-type semiconductor region; and an N-type semiconductor region having a high concentration which is formed in the first N-type semiconductor layer region. On the semiconductor substrate, insulating oxide films are formed. On the first and the second semiconductor light receiving elements, insulating oxide films that have different thicknesses are formed.
TFT device and manufacturing method
A TFT device is manufactured starting from a substrate with mutually insulated elongated strips of semi-conductor material. A stack of layers over the strips on the substrate, the stack comprising a gate electrode layer. A multi-level resist layer is provided over the gate electrode layer. The multi-level resist layer defines gate and source drain regions, the channel running in parallel with the direction of the strips. Gate portions in the resist layer cross source drain regions in the resist layer, overreaching the source drain regions on either side at least by a distance corresponding to a pitch of the strips.
Provided is a transistor which has favorable transistor characteristics and includes an oxide semiconductor, and a highly reliable semiconductor device which includes the transistor including the oxide semiconductor. In the semiconductor device including the transistor in which an oxide semiconductor film, a gate insulating film, and a gate electrode are stacked in this order, a sidewall insulating film is formed along side surfaces and a top surface of the gate electrode, and the oxide semiconductor film is subjected to etching treatment so as to have a cross shape having different lengths in the channel length direction or to have a larger length than a source electrode and a drain electrode in the channel width direction. Further, the source electrode and the drain electrode are formed in contact with the oxide semiconductor film.
Semiconductor device and manufacturing method thereof
To provide a semiconductor device including a thin film transistor having excellent electric characteristics and high reliability and a manufacturing method of the semiconductor device with high mass productivity. The summary is that an inverted-staggered (bottom-gate) thin film transistor is included in which an oxide semiconductor film containing In, Ga, and Zn is used as a semiconductor layer, a channel protective layer is provided in a region that overlaps a channel formation region of the semiconductor layer, and a buffer layer is provided between the semiconductor layer and source and drain electrodes. An ohmic contact is formed by intentionally providing the buffer layer having a higher carrier concentration than the semiconductor layer between the semiconductor layer and the source and drain electrodes.
Semiconductor device including fin structure with two channel layers and manufacturing method thereof
A method for manufacturing a semiconductor device includes forming a fin structure having a top face and a first side face and a second side face opposite to the first side face, forming a lower cover layer over the first and second side faces, forming an upper cover layer over the first and second side faces, the upper cover layer being spaced apart from the lower cover layer so that exposed regions of the first and second side faces are formed between the lower cover layer and the upper cover layer, and forming first and second semiconductor layers over the exposed regions of the first and second side faces, respectively.
Self-aligned gate cut with polysilicon liner oxidation
A method of forming a semiconductor device that includes forming a gate structure over a plurality of fin structures, wherein the gate structure provides a first fill pinch off between the fin structures separated by a first pitch; and forming a material stack of a silicon containing layer, and a dielectric layer over the plurality of fin structures, wherein the dielectric provides a second fill pinch off between fin structures separated by a second pitch. The silicon containing layer is converted into an oxide material layer. The second dielectric that provides the second fill pinch off is removed, and an opening is etched in a remaining silicon containing layer exposed by removing the second fill pinch off. An underlying gate cut region is etched in the gate structure using the opening in the remaining portion of the silicon containing layer.
Source/drain profile for FinFeT
An embodiment is a FinFET device. The FinFET device comprises a fin, a first source/drain region, a second source/drain region, and a channel region. The fin is raised above a substrate. The first source/drain region and the second source/drain region are in the fin. The channel region is laterally between the first and second source/drain regions. The channel region has facets that are not parallel and not perpendicular to a top surface of the substrate.
Fully-depleted CMOS transistors with U-shaped channel
A structure capable of effectively preventing dopant diffusion from source/drain regions into an underlying semiconductor-on-insulator (SOI) layer of fully-depleted SOI transistors with U-shaped channels is provided. By inserting a dopant diffusion barrier layer between an SOI layer of an SOI substrate and a doped extension layer from which source/drain extension regions are derived, the undesired dopant diffusion from the source/drain extension regions into the underlying SOI layer can be prevented.
Switching element and method of manufacturing the same
A switching element may include a semiconductor substrate, first and second trenches, a gate insulating layer, an interlayer insulating layer covering the semiconductor substrate, and an electrode on the interlayer insulating layer. A wide portion and a narrow portion may be arranged alternately between the first and second trenches. The interlayer insulating layer may include a contact hole in the wide portion. The electrode may be in contact with the semiconductor substrate within the contact hole. The semiconductor substrate may include an upper n-type region in contact with the gate insulating layer in the narrow portion and in contact with the electrode, a p-type body contact region in contact with the electrode, a p-type body region in contact with the gate insulating layer in the narrow portion, and a lower n-type region in contact with the gate insulating layer in the narrow portion.
Semiconductor device with extended electrically-safe operating area
In at least some embodiments, a semiconductor device comprises a source region is formed within a well. The source region comprises a first dopant type, and the well comprises a second dopant type opposite the first dopant type. A termination region is formed within the well, the termination region being aligned with the source region and having an end adjacent to and spaced apart from an end of the source region. The termination region comprises a semiconducting material having the second dopant type. A preselected concentration value of the dopant in the termination region is greater than a concentration value of the second dopant type in the well.
Method of forming a field-effect transistor (FET) or other semiconductor device with front-side source and drain contacts
A method is provided for forming an integrated circuit (IC) structure including trench-based semiconductor devices, e.g., trench FETs, having front-side drain contacts. The method may include forming an epitaxy region, forming a poly gate trench in the epitaxy region, forming a drain contact trench through the poly gate trench and extending below the poly gate trench, forming a poly gate in the poly gate trench, forming a front-side drain contact in the drain contact trench, and forming a source region in the epitaxy region adjacent the poly gate. The device may define a drift region from the poly gate/source intersection to the front-side drain contact. The drift region may be located within the epitaxy layer, without extending into an underlying substrate or transition layer. The front-side drain contact depth may be selected to influence the device breakdown voltage. The front-side drain contacts may allow flip-chip mounting of the IC structure.
Nitride semiconductor device
A semiconductor device includes a semiconductor substrate, a source electrode, a drain electrode, and a gate electrode disposed on the semiconductor substrate via a gate insulator film. The semiconductor substrate includes a first portion constituted of GaN and a second portion constituted of AlxGa(1-x)N (0
Semiconductor device and method of manufacturing the semiconductor device
A semiconductor device includes a semiconductor substrate having a first surface and a second surface, first to eighth regions, a first thyristor, and a second thyristor. The seventh region with the impurity concentration higher than that of the first region is formed in the first region while being apart from the sixth region electrically connected to the gate electrode, and being electrically connected to the first electrode. The eighth region with the impurity concentration higher than that of the third region is formed in contact with the second surface side of the third region and the fourth region, and with the second surface, while being electrically connected to the fourth region by the second electrode. The seventh region has the impurity concentration higher than that of the first region. The eighth region has the impurity concentration higher than that of the third region.
FinFET device and fabricating method thereof
A FinFET device includes a substrate, a fin formed on the substrate, and a gate electrode crossing the fin. The gate electrode includes a head portion and a tail portion, and the tail portion is connected to the head portion and extended toward the substrate. The width of the head portion is greater than that of the tail portion.
FinFET device and methods of forming
A finFET device and methods of forming a finFET device are provided. The method includes forming a first gate spacer is formed over a dummy gate of a fin field effect transistor (finFET). The method also includes performing a carbon plasma doping of the first gate spacer. The method also includes forming a plurality of source/drain regions, where a source/drain region is disposed on opposite sides of the dummy gate. The method also includes removing dummy gate.
FinFET with reduced parasitic capacitance
A method of fabricating a finFET semiconductor device, the method including forming a self-aligned silicide contact above and in direct contact with exposed portions of semiconductor fins not covered by a gate electrode, wherein an upper surface of the self-aligned silicide contact is substantially flush with an upper surface of an adjacent isolation region, patterning a blanket metal layer to form a source-drain contact on the upper surface of the self-aligned silicide contact, the self-aligned silicide contact provides an electrical path from the semiconductor fins to the source-drain contact, and recessing a portion of the self-aligned silicide contact without recessing the isolation region, the self-aligned silicide contact is recessed selective to a mask used to pattern the source-drain contact.
High selectivity nitride removal process based on selective polymer deposition
A silicon nitride cap on a gate stack is removed by etching with a fluorohydrocarbon-containing plasma subsequent to formation of source/drain regions without causing unacceptable damage to the gate stack or source/drain regions. A fluorohydrocarbon-containing polymer protection layer is selectively deposited on the regions that are not to be etched during the removal of the nitride cap. The ability to remove the silicon nitride material using gas chemistry, causing formation of a volatile etch product and protection layer, enables reduction of the ion energy to the etching threshold.
Semiconductor device with silicide
A semiconductor device includes a first type region including a first conductivity type. The semiconductor device includes a second type region including a second conductivity type. The semiconductor device includes a channel region extending between the first type region and the second type region. The semiconductor device includes a first silicide region on a first type surface region of the first type region. The first silicide region is separated at least one of a first distance from a first type diffusion region of the first type region or a second distance from the channel region.
Vertical transistor device structure with cylindrically-shaped field plates
A vertical power transistor device includes a semiconductor layer of a first conductivity type, with a plurality of dielectric regions disposed in the semiconductor layer. The dielectric regions extend in a vertical direction from a top surface of the semiconductor layer downward. Each dielectric region has a rounded-square cross-section in a horizontal plane perpendicular to the vertical direction. Adjacent ones of the dielectric regions are laterally separated by a narrow region of the semiconductor layer. Each dielectric region has a cylindrical field plate member centrally disposed therein. The cylindrical field plate member extends in the vertical direction from the top surface downward to near a bottom of the dielectric region. The dielectric region laterally separates the cylindrical field plate member from the narrow region. A source region is disposed at the top surface, and a drain region is disposed at the bottom, of the semiconductor layer.
Protecting transistor elements against degrading species
A technique comprising: providing a stack of layers defining at least (a) source and drain electrodes, (b) gate electrode, and (c) semiconductor channel of at least one transistor; depositing one or more organic insulating layers over the stack; removing at least part of the stack in one or more selected regions by an ablation technique; depositing conductor material over the stack in at least the one or more ablated regions and one or more border regions immediately surrounding a respective ablated region; and depositing inorganic insulating material over the stack at least in the ablated regions and the border regions to cover the ablated regions and make direct contact with said conductor material in said one or more border regions all around the respective ablated region.
High-side power device and manufacturing method thereof
A high-side device includes: a substrate, an epitaxial layer, a high voltage well, a body region, a gate, a source, a drain, two buried regions. A PN junction is formed between the body region and the high voltage well, wherein the PN junction is perpendicular to a channel direction. One buried region is formed in the epitaxial layer and has a first conductive type, wherein an inner side boundary thereof is located between the drain and the PN junction. The other buried region is formed in the substrate and in the epitaxial layer and has a second conductive type, wherein an inner side boundary thereof is located between the drain and the PN junction. The impurity concentration of the second buried region is sufficient to prevent the high voltage well between the PN junction and the drain from being completely depleted when the high-side power device is ON.
Power semiconductor devices, methods, and structures with embedded dielectric layers containing permanent charges
Power devices using refilled trenches with permanent charge at or near their sidewalls. These trenches extend vertically into a drift region.
High density and reliable vertical natural capacitors
Aspects of the disclosure are directed to an integrated circuit. The integrated circuit may include a substrate, a first group of metal layers including a plurality of first fingers over the substrate, wherein the first fingers are formed without a via. The integrated circuit may further include a second group of metal layers including a plurality of second fingers over the first group of metal layers, wherein the second fingers are formed with vias, and wherein the first and the second group of metal layers are formed by a processing technology node of 7 nm or below.
Resistors with controlled resistivity
The present application provides planar and stacked resistor structures that are embedded within an interconnect dielectric material in which the resistivity of an electrical conducting resistive material or electrical conducting resistive materials of the resistor structure can be tuned to a desired resistivity during the manufacturing of the resistor structure. Notably, a doped metallic insulator layer is formed atop a substrate. A controlled surface treatment process is then performed to an upper portion of the doped metallic insulator layer to convert the upper portion of the doped metallic insulator layer into an electrical conducting resistive material layer. The remaining doped metallic insulator layer and the electrical conducting resistive material layer are then patterned to provide the resistor structure.
Display panel and display device thereof
The present invention discloses a display panel. The display panel, comprises a substrate. The substrate includes a plurality of display areas and a plurality of non-display areas surrounded by the display areas, wherein each of the display areas is divided into at least two sub display areas along a predetermined direction; a boundary between the sub-display areas is a straight line or a polyline; and a plurality of organic light emitting diodes is disposed in the sub-display areas; and a plurality of powerlines, disposed on the periphery of each of the sub-display areas, wherein the powerlines are located in the non-display areas; the powerlines on the periphery of display areas are independent from each other and a power voltage is applied on the organic light emitting diodes of each of the sub-display areas via the powerlines so that each of the organic light emitting diodes receives the same power voltage.
Organic light-emitting device and method for preparing same
The present specification relates to an organic light emitting device and a method for manufacturing the same.
Display substrate, manufacturing method thereof, and display device
The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a shielding pattern created from a layer identical to a pixel electrode and configured to prevent a display function of a display function layer from being adversely affected by a signal from a signal line.
A display apparatus includes: a substrate including a display area and a non-display area surrounding the display area; a data wiring on the substrate in the display area; a connection wiring on the substrate in the non-display area and including a same material as the data line; an inorganic protective layer on the substrate covering the data line and extending to the non-display area; and an upper organic layer on the substrate covering the connection wiring and at least a portion of the inorganic protection layer, where the upper organic layer includes a first to third upper organic layers, and the second upper organic layer in a side of the upper organic layer adjacent to the display area is in direct contact with the inorganic protective layer, and the third upper organic layer exposes an end of the second upper organic layer in the side of the upper organic layer.
The present disclosure provides a display unit of a display device including a light emitting unit and a light converting layer disposed on the light emitting unit. The display unit emits an output light under an operation of the highest gray level, the output light having an output spectrum, an intensity integral of the output spectrum from 380 nm to 470 nm defines as a first intensity integral, an intensity integral of the output spectrum from 580 nm to 780 nm defines as a second intensity integral, a ratio of the first intensity integral over the second intensity integral defines as a first ratio, and the first ratio is greater than 0% and less than or equal to 2.5%.
Memory device and method for manufacturing same
A memory device includes a first interconnect extending in a first direction, semiconductor members extending in a second direction, a second interconnect provided between the semiconductor members and extending in a third direction, a first insulating film provided between the semiconductor member and the second interconnect, third interconnects extending in the second direction, fourth interconnects provided between the third interconnects and arranged along the second direction, a resistance change film provided between the third interconnect and the fourth interconnects, and a first film. The first film is provided between the second interconnect and the fourth interconnect, interposes between the semiconductor member and the resistance change film, and not interpose between the semiconductor member and the third interconnect connected to each other. A first end of the semiconductor member is connected to the first interconnect. The third interconnect is connected to a second end of the semiconductor member.
Solid-state imaging device with shared pixel structure
A solid-state imaging device includes pixels each of which has a photoelectric conversion portion that senses light and converts the sensed light into a charge; and an amplifying portion which is shared by a predetermined number of the pixels, amplifies the generated charge in the photoelectric conversion portion, and outputs a level of signal corresponding to the charge, wherein the a predetermined number of the pixels which share the amplifying portion are arranged in a first direction extending along a signal line via which the amplifying portion outputs the signal, and wherein a length of an area where the amplifying portion is formed along a second direction substantially intersecting the first direction is set to be equal to or more than a length of one pixel and to be less than a length of two pixels in the second direction.
Methods and applications of non-planar imaging arrays
System, devices and methods are presented that provide an imaging array fabrication process method, comprising fabricating an array of semiconductor imaging elements, interconnecting the elements with stretchable interconnections, and transfer printing the array with a pre-strained elastomeric stamp to a secondary non-planar surface.
Solid-state image sensor and method of manufacturing the same
A method of manufacturing a solid-state image sensor, includes forming a first isolation region of a first conductivity type in a semiconductor layer having first and second surfaces, the forming the first isolation region including first implantation for implanting ions into the semiconductor layer through the first surface, forming charge accumulation regions of a second conductivity type in the semiconductor layer, performing first annealing, forming an interconnection on a side of the first surface of the semiconductor layer after the first annealing, and forming a second isolation region of the first conductivity type in the semiconductor layer, the forming the second isolation region including second implantation for implanting ions into the semiconductor layer through the second surface. The first and second isolation regions are arranged between the adjacent charge accumulation regions.
Display device and manufacturing method thereof
The present inventive concept relates to a display device and a manufacturing method thereof. A display device according to an exemplary embodiment of the present inventive concept includes: a substrate; a first gate conductor provided on the substrate; and a gate insulator provided on the first gate conductors, wherein edges of the first gate conductor are recessed from edges of the first gate insulator, and the edges of the first gate insulator are respectively parallel with the edges of the first gate conductor.
TFT array substrate, method for manufacturing the same, and display device
A TFT array substrate, a method for manufacturing the same, and a display device including such TFT array substrate are disclosed. The TFT array substrate includes a base substrate (100); and two thin film transistors located on the base substrate. The two thin film transistors each includes an active layer (102, 107) having a source region and a drain region, the two active layers of the two thin film transistors are superposed with each other in a direction perpendicular to the base substrate. The drain region of one of the two active layers is electrically connected to the source region of the other one of the two active layers so that the two thin film transistors are connected in series.
Method of manufacturing thin film transistor, dehydrogenating apparatus for performing the same, and organic light emitting display device including thin film transistor manufactured by the same
Provided are a method of manufacturing a thin film transistor, a dehydrogenating apparatus for performing the method, and an organic light emitting display device including a thin film transistor manufactured by the same. A method of manufacturing a thin film transistor includes reducing a content of oxygen in a chamber for performing a dehydrogenation process of an amorphous silicon layer from a first value to a second value, inserting a substrate on which the amorphous silicon layer is formed into the chamber, heating the inside of the chamber to perform the dehydrogenation process on the amorphous silicon layer, and forming a polysilicon layer by crystallizing the amorphous silicon layer using a laser.
Display substrate, method for producing the same, and display apparatus
Embodiments of this invention relate to a display substrate and a method for producing the same, as well as a display apparatus. The display substrate comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises: a first signal line, an insulating layer, and a second signal line, which are located above a base substrate, wherein projections of the first signal line and the second signal line on the base substrate are intersected with each other, and the insulating layer allows the first signal line and the second signal line to be insulated from each other; a dummy electrode in the same layer as the second signal line, and a semiconductor pad provided between the dummy electrode and the insulating layer, wherein the projection of the dummy electrode on the base substrate and the projection of the first signal line on the base substrate are intersected with each other with an intersection being located within the projection of the semiconductor pad on the base substrate.
Semiconductor device and method of fabricating the same
A semiconductor device includes a stacked structure, openings passing through stacked structure, semiconductor patterns formed over inner walls of the openings, liner layers formed in the openings over the semiconductor patterns, and gap-fill insulating layers formed over the liner layers to fill the openings, wherein each of the gap-fill insulating layers seals an upper portion of the opening and includes at least one air gap.
Semiconductor device including insulating layers and method of forming the same
A semiconductor device includes a substrate, a stacked structure of insulating layers and gate electrodes alternately and repeatedly stacked on the substrate, and a pillar passing through the stacked-layer structure. The insulating layers include lower insulating layers, intermediate insulating layers disposed on the lower insulating layers, and upper insulating layers disposed on the intermediate insulating layers. The lower insulating layers have a hardness less than that of the intermediate insulating layers, and the upper insulating layers have a hardness greater than that of the intermediate insulating layers.
Method for manufacturing semiconductor device
A method for manufacturing a semiconductor device includes forming a first mask layer having a first opening on an underlying layer; forming a first layer in a space where the underlying layer is selectively removed via the first opening; forming a second mask layer on the first mask layer and the first layer, the second mask layer having a second opening crossing the first opening; and selectively removing the first layer at a portion where the first opening and the second opening cross. At least one of the first and second mask layers having openings including the first or second opening, the openings being arranged in the first mask layer along a first direction, and/or being arranged in the second mask layer along a second direction, the first opening crossing the second opening in the first direction, and the second opening crossing the first opening in the second direction.
Integrated structures and methods of forming integrated structures
Some embodiments include an integrated structure having semiconductor material within a region between two parallel surfaces. The semiconductor material has grain boundaries parallel to the parallel surfaces. At least one circuit component utilizes a region of the semiconductor material in a gated device. The semiconductor material has little if any metal therein so that the gated device has Ion/Ioff characteristics similar to if the semiconductor material had no metal therein. Some embodiments include a method in which semiconductor material is provided between a pair of parallel surfaces, and in which the parallel surfaces and semiconductor material extend between a first end and a second end. Metal is formed adjacent the first end, and gettering material is formed adjacent the second end. Thermal processing induces crystallization of the semiconductor material and drives the metal along the semiconductor material and into the gettering material. The gettering material is then removed.
ROM chip manufacturing structures having shared gate electrodes
An integrated circuit (IC) chip embodiment includes first and second ROM cells arranged in a same row of a ROM array. The first and second ROM cells include first portions of first and second gate structures, respectively. The IC chip further includes a strap cell disposed between the first and second ROM cells. The strap cell includes second portions of the first and second gate structures. The first gate structure is physically separated from the second gate structure.
Semiconductor device and semiconductor circuit device
In a constant voltage clamping circuit, a p-type anode region and an n-type pickup region are provided separated from each other in an n−-type well region. In the p-type anode region, a p−-type low-concentration anode region is provided. In the p−-type low-concentration anode region, an n+-type cathode region is provided. A first Zener diode of a highest potential of the constant voltage clamping circuit is formed by a pn junction of the p-type anode region, the p−-type low-concentration anode region and the n+-type cathode region. An n+-type pickup contact region in the n-type pickup region is arranged at a position near the n+-type cathode region and separated farther the n+-type cathode region, from p+-type anode contact region. The n+-type pickup contact region and the p+-type anode contact region are short-circuited.
Power transistor with a plurality of bi-directional diodes
A semiconductor device includes a first bidirectional diode of a ring shape surrounding a central region and including a first connection section and a second connection section which is provided to the inner side of the ring shape from the first connection section, a semiconductor element in the central region including a first semiconductor element electrode, a second semiconductor element electrode, and a control electrode, the first semiconductor element electrode electrically connected to the first connection section and the second semiconductor element electrode electrically connected to the control electrode, a first resistor including a first resistor electrode and a second resistor electrode, the first resistor electrode electrically connected to the second connection section and the control electrode, a second bidirectional diode electrically connected to the second resistor electrode and to the second semiconductor element electrode, and a second resistor element electrically connected to the second resistor electrode.
Integrated multi-color light-emitting pixel arrays based devices by bonding
Integrated active-matrix multi-color light emitting pixel arrays based displays and methods of fabricating the integrated displays are provided. An example integrated device includes a backplane device and different color light emitting diodes (LEDs) devices arranged in different height planar layers on the backplane device. The backplane device includes at least one backplane having a number of pixel circuits. Each LED device includes an array of LEDs each operable to emit light with a particular color and conductively coupled to respective pixel circuits in the backplane to form active-matrix LED sub-pixels. The different color LED sub-pixels form an array of active-matrix multi-color display pixels. Plug vias can be arranged in different planar layers to conductively couple upper-level LEDs to respective pixel circuits in respective regions over the backplane device. The plug vias can extend from an upper planar layer into a lower planar layer to fix the two planar layers together.
Fan-out semiconductor package and package on package including the same
The fan-out semiconductor package includes: a metal member including a metal plate having a first through-hole and second through-holes and metal posts disposed in the second through-holes; a semiconductor chip disposed in the first through-hole; an encapsulant covering at least portion of each of the metal member and the semiconductor chip and filling at least portions of each of the first and second through-holes; a wiring layer disposed on the encapsulant; first vias electrically connecting the wiring layer and the connection pads to each other; and second vias electrically connecting the wiring layer and the metal posts to each other, wherein a height of the second vias is greater than that of the first vias or a thickness of the metal plate is the same as that of the metal post.
Packaging a substrate with an LED into an interconnect structure only through top side landing pads on the substrate
Standardized photon building blocks are packaged in molded interconnect structures to form a variety of LED array products. No electrical conductors pass between the top and bottom surfaces of the substrate upon which LED dies are mounted. Microdots of highly reflective material are jetted onto the top surface. Landing pads on the top surface of the substrate are attached to contact pads disposed on the underside of a lip of the interconnect structure. In a solder reflow process, the photon building blocks self-align within the interconnect structure. Conductors in the interconnect structure are electrically coupled to the LED dies in the photon building blocks through the contact pads and landing pads. Compression molding is used to form lenses over the LED dies and leaves a flash layer of silicone covering the landing pads. The flash layer laterally above the landing pads is removed by blasting particles at the flash layer.
Method of manufacturing semiconductor package
A method of manufacturing a semiconductor package includes providing a substrate including a mounting region having a recess space for accommodating a semiconductor chip and a connection region surrounding the mounting region, providing a semiconductor chip in the mounting region, the semiconductor chip including a connection pad provided on a top surface of the semiconductor chip, forming a protective layer covering a top surface of the substrate and the top surface of the semiconductor chip, forming a photosensitive insulating layer on the protective layer after forming the protective layer, patterning the photosensitive insulating layer thereby exposing the protective layer, removing the exposed protective layer, and forming a redistribution line to be electrically connected to the connection pad.
Fan-out stacked system in package (SIP) and the methods of making the same
An embodiment package includes a first fan-out tier having a first device die, a molding compound extending along sidewalls of the first device die, and a through intervia (TIV) extending through the molding compound. One or more first fan-out redistribution layers (RDLs) are disposed over the first fan-out tier and bonded to the first device die. A second fan-out tier having a second device die is disposed over the one or more first fan-out RDLs. The one or more first fan-out RDLs electrically connects the first and second device dies. The TIV electrically connects the one or more first fan-out RDLs to one or more second fan-out RDLs. The package further includes a plurality of external connectors at least partially disposed in the one or more second fan-out RDLs. The plurality of external connectors are further disposed on conductive features in the one or more second fan-out RDLs.
Embedded wire bond wires for vertical integration with separate surface mount and wire bond mounting surfaces
In a vertically integrated microelectronic package, a first microelectronic device is coupled to an upper surface of a circuit platform in a wire bond-only surface area thereof. Wire bond wires are coupled to and extends away from an upper surface of the first microelectronic device. A second microelectronic device in a face-down orientation is coupled to upper ends of the wire bond wires in a surface mount-only area. The second microelectronic device is located above and at least partially overlaps the first microelectronic device. A protective layer is disposed over the circuit platform and the first microelectronic device. An upper surface of the protective layer has the surface mount-only area. The upper surface of the protective layer has the second microelectronic device disposed thereon in the face-down orientation in the surface mount-only area for coupling to the upper ends of the first wire bond wires.
Fabrication method of semiconductor structure
The present invention provides a semiconductor structure and a method of fabricating the same. The method includes: providing a chip having conductive pads, forming a metal layer on the conductive pads, forming a passivation layer on a portion of the metal layer, and forming conductive pillars on the metal layer. Since the metal layer is protected by the passivation layer, the undercut problem is solved, the supporting strength of the conductive pillars is increased, and the product reliability is improved.
Semiconductor package device and method of manufacturing the same
A semiconductor package device comprises a die, a dielectric layer, a plurality of conductive pillars and a package body. The die has an active surface, a back surface opposite to the active surface and a lateral surface extending between the active surface and the back surface. The dielectric layer is on the active surface of die, has a top surface and defines a plurality of openings. Each conductive pillar is disposed in a corresponding opening of the plurality of openings of the dielectric layer. Each conductive pillar is electrically connected to the die. Each conductive pillar has a top surface. The top surface of each conductive pillar is lower than the top surface of the dielectric layer. The package body encapsulates the back surface and the lateral surface of the die.
Semiconductor structure and manufacturing method thereof
A semiconductor structure includes a die, a molding surrounding the die, an interconnect structure disposed over the die and the molding, and a first seal ring. The interconnect structure includes a dielectric layer and a conductive member disposed within the dielectric layer. The first seal ring is disposed within the dielectric layer and disposed over the molding.
Microelectronic bond pads having integrated spring structures
A microelectronic package may be fabricated with at least one compliant external bond pad having at least one integrated spring structure for mitigating the effects of warpage of the microelectronic package during attachment to an external substrate. An embodiment for the microelectronic package may include a microelectronic package substrate having a first surface and an opposing second surface, wherein the microelectronic package substrate includes a void defined therein that extends into the microelectronic package substrate from the second surface thereof, and a compliant bond pad suspended over the void, wherein the compliant bond pad includes a land portion and at least one spring portion, and wherein the at least one spring portion extends from the compliant bond pad land portion to an anchor structure on the microelectronic package substrate second surface.