A panel having a pair of longitudinally extending side edges, spaced apart end edges located between said side edges, and first and second substantially planar side surfaces located between said side and end edges. Strengthening means is located along and extending away from the one side surface. Snap locking engagement means extends away from the one side surface and is located adjacent said end edges. The engagement means in use is operable to secure said panel to a structure.
Electronics cooling system and corresponding devices and methods
An electronics cooling system includes a housing (101) defining four quadrants (110,111,112,113) with a front face (102) defining an air inlet (301) in the first quadrant and a rear face (203) defining an air exhaust (401) in the second quadrant. A first plenum (701) is disposed adjacent to the air inlet, while a second plenum (702) is disposed adjacent to the air exhaust. A first circuit card corridor (703) and a second circuit card corridor (704), separated by a barrier wall (705), are disposed between the first plenum and the second plenum. A first fan module (304) is disposed adjacent to the first circuit card corridor. A second fan module (404) is disposed adjacent to the second circuit card corridor. The structure defines a first cooling path to a first side of the barrier wall and a second cooling path to a second side of the barrier wall.
Communications product and base station system
The present invention discloses a communications product (100), including a remote radio module (10) and a mounting kit (30), where the mounting kit (30) includes a fastening part (32), the fastening part (32) is configured to mount and fasten the remote radio module (10) to a holder, the mounting kit (30) further includes a ventilation part (34) and an air supply part (36), an air source is disposed inside the air supply part (36), the ventilation part (34) is connected between the fastening part (32) and the air supply part (36), a ventilation channel is disposed inside the ventilation part (34), and the ventilation channel allows the air supply part (36) to communicate with the remote radio module (10), so that an air flow generated by the air source reaches the remote radio module (10) after passing through the ventilation channel, to dissipate heat for the remote radio module.
Rail-mounted control system
A control system for mounting to a rail. The control system includes a control assembly and one or more I/O assemblies. The control assembly and each I/O assembly includes a module removably mounted to a base. The base has a body with a channel formed therein that is adapted to receive the rail. A latching assembly is mounted to the body and includes a lever movable between a latched position and an unlatched position, wherein the movement of the lever between the unlatched and latched positions moves latching members into and out of the channel, whereby when the rail is disposed in the channel and the lever is moved to the latched position, the latching members move into the channel, thereby trapping the rail in the channel and securing the base to the rail. When the module is mounted to the base, the module covers the lever of the latching assembly so as to be inaccessible.
An inductor includes a first core, a conducting wire, a second core and a first lead frame. There is an accommodating space formed on a first side of the first core and there is a recess portion formed on a second side of the first core, wherein the first side is opposite to the second side. The first core has a first height. The conducting wire is disposed in the accommodating space. The second core is disposed on the first side of the first core and covers the accommodating space. The first lead frame has an embedded portion embedded in the recess portion. The embedded portion has a second height. After embedding the embedded portion in the recess portion of the first core, a total height of the embedded portion and the first core is smaller than the sum of the first height and the second height.
Device module and method of manufacturing the same
The invention provides a device module including a base, a plastic part, and an external connection. The plastic part is provided on the base. The device is provided on the base and embedded in the plastic part. The device is a sensor, an electronic device, or a circuit board. The external connection includes an embedded portion and a lead-out portion. The embedded portion is connected to the device, extends along the base, and is embedded in the plastic part. The lead-out portion is contiguous with the embedded portion and led out of the plastic part.
Electrical cabinet wall for an electrical cabinet of a wind turbine
The present disclosure is directed to an electrical cabinet for an electrical assembly for a wind turbine. The electrical cabinet has one or more walls that define an internal volume having one or more electrical components configured therein. One or more of the walls includes an inner panel and an outer panel mounted to the inner panel. The inner panel includes an inner vent and the outer panel includes an outer vent. Further, the panels are arranged together so as to define a flow path between the inner and outer vents. Thus, during normal operation, air is directed from outside of the electrical cabinet to the internal volume of the electrical cabinet via the flow path so as to cool the one or more electrical components. Further, during a fault event, gas is permitted to exit the internal volume of the electrical cabinet via the flow path.
Implementing backdrilling elimination utilizing via plug during electroplating
A method and structure are provided for implementing enhanced via creation without creating a via barrel stub. The need to backdrill during printed circuit board (PCB) manufacturing is eliminated. After the vias have been drilled, but before plating, a via plug with a specialized geometry and including a capillary is inserted into each via to allow electroplating on only preferred wall surfaces of the vias. Then a board plating process of the PCB manufacturing is performed.
Symmetrical hexagonal-based ball grid array pattern
The present disclosure provides techniques for creating a symmetrical ball grid array pattern for an integrated circuit package. The ball grid array includes a symmetrical pattern of circuit connection points, wherein the symmetrical pattern is derived from a base hexagonal pattern that is repeated in at least one or more sections of the ball grid array.
Method for making a circuit board
A circuit board includes a core layer, at least one passive component, a first and a second conductive wire layers, at least one contact pad, and a resin packing layer. The core layer defines at least one through hole to receive the passive component. The first and the second conductive wire layers are connected to two opposite surfaces of the core layer. Each contact pad is positioned between and connected to one passive component and the first conductive wire layer. The resin packing layer is filled among the core layer, each passive component, each contact pad, the first and the second conductive wire layers. The resin packing layer can connect the first and the second conductive wire layers to the core layer, and connect the core layer, each passive component, and each contact pads to each other.
One example provides a flexible electrical interconnect comprising a substrate, a liquid conductive pathway supported by the substrate, and a conductively anisotropic, magnetic particle-embedded encapsulant that interfaces with the liquid conductive pathway for connecting to another circuit element.
Low dielectric composite material and laminate and printed circuit board thereof
The present invention belongs to the technical field of resin composite materials, in particular relates to a low dielectric composite material and a laminate and printed circuit board prepared therefrom. The composite material is obtained by adhering a low dielectric resin composition with phosphorus-containing flame retardant onto a substrate; the composition comprises the following components: (A) phosphorus-containing flame retardant; (B) vinyl compound. The phosphorus-containing flame retardant has a structure as shown in formula (I). In the present invention, diphenylphosphine oxide is derivatized, and prepared a phosphorus-containing flame retardant, which has no reactive functional groups, has better dielectric properties, and has high melting point, and upon combining with a vinyl compound, a resin composition is obtained, and a composite material having low thermal expansion ratio, high heat resistance, high glass transition temperature, and low dielectric constant and dissipation factor, can be made from the resin composition, and a laminate and printed circuit board having the properties of high glass transition temperature, low dielectric properties, halogen-free flame retardancy, low thermal expansion coefficient of the laminate, etc., can be made from the composite material.
Ceramic circuit board and method for producing same
[Problem] To obtain a ceramic circuit board having superior crack-resistance with respect to ultrasonic bonding.[Solution] The abovementioned problem is solved by a ceramic circuit board characterized in that a metal circuit board is bonded to one surface of a ceramic substrate and a metal heat radiation plate is bonded to the other surface of the ceramic substrate, wherein the crystal grain size in the metal circuit board is at least 20 μm and at most 70 μm. This ceramic circuit board can be manufactured by arranging the metal circuit board on one surface of the ceramic substrate and arranging the metal heat radiation plate on the other surface of the ceramic substrate, and bonding in a vacuum of at most 1×10−3 Pa, at a bonding temperature of at least 780° C. and at most 850° C., for a retention time of at least 10 minutes and at most 60 minutes.
Electronic element mounting board and electronic device
There are provided an electronic element mounting board and an electronic device capable of suppressing transmission of incident light to an electronic device through a circumferential edge part of an opening of a board and thus of reducing a noise level in receiving an image. An electronic element mounting board includes an insulating substrate. The insulating substrate has an opening and a lower surface, and an electronic element is disposed on the lower surface so as to overlap the opening in a plan view. A circumferential edge part of the opening of the insulating substrate has a porosity lower than a porosity of a portion outside the circumferential edge part. Since it is possible to suppress transmission of incident light to the electronic element through the circumferential edge part, it is possible to reduce a noise level in receiving an image in the electronic element.
LED lighting assemblies with thermal overmolding
One or more light emitting diode diodes (LEDs) are attached to a printed circuit board. The attached LEDs are connectable with a power source via circuitry of the printed circuit board. An overmolding material is insert molded an over at least portions of the printed circuit board proximate to the LEDs to form a free standing high thermal conductivity material overmolding that covers at least portions of the printed circuit board proximate to the LEDs. The free standing high thermal conductivity material has a melting temperature greater than about 100 ° C. and has a thermal conductivity greater than or about 1 W/m·K. In some embodiments, the free standing high thermal conductivity material is a thermoplastic material.
Smart multi-level RF pulsing methods
Methods of operating a plasma enhanced substrate processing system using multi-level pulsed RF power are provided herein. In some embodiments, a method of operating a plasma enhanced substrate processing system using multi-level pulsed RF power includes providing a first multi-level RF power waveform to a process chamber, the first multi-level RF power waveform having at least a first power level, a second power level, and a third power level, providing, after a first delay period, a second multi-level RF power waveform to the process chamber, the second multi-level RF power waveform having at least a first power level, a second power level, and a third power level, and processing the substrate using the first multi-level RF power waveform and the second multi-level RF power waveform to produce a features on the substrate have an aspect ratio of greater than 60:1 while maintaining an etch rate of greater than 170 nm/min.
Discharge lamp driving device, projector, and discharge lamp driving method
A discharge lamp driving device includes: a discharge lamp driving unit which supplies drive power to a discharge lamp; and a control unit which controls the discharge lamp driving unit according to a waveform of the drive power. The waveform has n launching periods and a low-power mode lighting period. The n launching periods include a first launching period in which the drive power increases toward refresh power that is equal to or above drive power in a low-power mode and equal to or below rated power, and (n−1) launching periods in which the drive power is maintained at the refresh power. The control unit, in an x-th launching period, supplies the discharge lamp with a drive current having a drive frequency equal to or below a drive frequency of a drive current supplied to the discharge lamp in an (x−1)th launching period.
Control method for mobile device
A control method for a mobile device that controls one or more illumination devices, the mobile device including a display, a computer, and a memory, the control method causing the computer of the mobile device to execute acquiring a piece of mobile-device location information indicating a location where the mobile device is present, sorting one or more setting screens corresponding to the respective one or more illumination devices using information stored in the memory, the information indicating correspondences between the one or more illumination devices and one or more pieces of illumination-device location information indicating locations where the respective one or more illumination devices are present, displaying the sorted one or more setting screens on the display, and transmitting a control signal in accordance with setting information indicating an illumination state set through the setting screens, to the one or more illumination devices.
Method for operating a lighting grid and lighting unit for use in a lighting grid
A method of operating a lighting grid having lighting units the method—including receiving an input signal from a sensor or a user interface by a first lighting unit, determining a control signal for controlling an LED driver and/or LED assembly of the first lighting unit based on the input signal, transmitting an output signal to a second lighting unit, the output signal being based on the input signal and enabling an identification of the first lighting unit, the sensor or the user interface, receiving the transmitted output signal from the first lighting unit by the second lighting unit, establishing an identification, based upon the received output signal, of the first lighting unit, the sensor or the user—interface, and determining a further control signal for controlling an LED driver and/or LED assembly of the second lighting unit based on the output signal and the identification.
Networked light control system and method
A networked light control system includes light sensor circuitry that includes plural light sensors configured to sense an ambient light level, a control unit configured to generate a control signal that activates or deactivates one or more lights in a network of lights based on the ambient light level that is sensed by the light sensor circuitry, and relay logic circuitry configured to open or close a relay or a solid state switch for activating or deactivating the one or more lights based on receipt of the control signal generated by the control unit. The relay logic circuitry is configured to control the relay or the solid-state switch responsive to a failure in the control unit.
Horticultural luminaire, horticultural lighting arrangement and method for controlling horticultural lighting arrangement
A horticultural luminaire, a horticultural lighting arrangement including a plurality of the horticultural luminaires, and a method for controlling the horticultural lighting arrangement are described. The horticultural luminaire includes a main light emitting unit including at least one LED for generating a main spectrum, an environmental sensor for measuring environmental data, and control electronics for determining a position data representing position of the horticultural luminaire, sending out the environmental data and the position data, receiving control data, and controlling the emission intensity of the main light emitting unit on the basis of the control data.
Interactive lighting handshake
Example embodiments for interactive lighting handshakes are described herein. An example interactive system may detect a user in a position proximate to an interface of the system and responsively determine an area that encompasses the position of the user. The interactive system may further cause a light system to illuminate the determined area using a light handshake. In some instances, the interactive system may perform a lighting handshake by illuminating a given aspect of the interface of the system and subsequently extending the illumination in a visual presentation from the interface to further encompass the position of the user.
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.
Universal LED dimmer with extended application range
A power supply circuitry compatible with both source type dimmer controls and sink type dimmer controls is provided. The power supply circuitry includes an internal voltage source, a dimmer control type detection circuit, and a configuration circuit. The dimmer control type detection circuit detects a type of a dimmer control that is electrically coupled to the power supply circuitry. The configuration circuit can turn off the internal voltage source upon determining the dimmer control is of the sink type and turn on the internal voltage source upon determining the dimmer control is of the source type. Thus, the internal voltage source may generate a voltage as the dimming control signal. The dimming control signal is fed to a microcontroller that may, for example, generate a series of pulse signals that is provided to a power converter of a load (e.g., light-emitting diode luminaries) based on the dimming control signal.
Device and method for encoding a signal on alternating current lines
A smart dimming network encoder is connected to an alternating current power source having a substantially regular period of cycles. The encoder includes a bipolar switch connecting the alternating current power source to a modified alternating current line, the bipolar switch having an on state permitting the modified alternating current line to conduct alternating current from the alternating current power source and an off state preventing conduction on the modified alternating current line. The encoder includes a processor coupled to the bipolar switch, the processor configured to receive a control signal at a control signal input and to switch the bipolar switch to the off state for an off time having a duration corresponding to the control signal.
Control system for phase-cut dimming
A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.
Efficient lighting circuit for LED assemblies
A lighting circuit and a method of operating a lighting circuit are described. A rectifier 14 has an input for an alternating voltage V. At least a first and a second LED assembly 20, 22 are connected to be supplied with electrical power from the rectifier 14. The first LED assembly 20 is electrically connected to a first output 26 of the rectifier 14 and electrically connected in series with an input 36 of a switching converter circuit. The second LED assembly 22 is electrically connected to an output 48 of the switching converter circuit 44. A control assembly 30 is connected to a tap 46 in the series connection for controlling operation of the first LED assembly 20.
Systems and methods for current regulation in light-emitting-diode lighting systems
Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor.
Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity.
Consolidated filter arrangement for devices in an RF environment
A system includes a plurality of elements that are to operate in a radio frequency (RF) environment. The system further includes a plurality of switching devices to operate in the RF environment, each of the plurality of switching devices to control power to at least one of the plurality of elements, wherein the plurality of switching devices are coupled to a power line that is to provide power from outside the RF environment. A filter is coupled to the power line to filter out RF noise introduced into the power line by the RF environment. The system further includes a converter, coupled to the one or more switching devices, to operate in the RF environment and to provide a non-conductive communication link between the one or more switching devices and a controller outside of the RF environment.
Multi-service provider wireless access point
Novel tools and techniques that can provide wireless service for multiple service providers from a single, multi-service provider wireless access point. In an aspect, a multi-service provider wireless access point might communicate with a plurality of wireless devices, each associated with a different wireless carrier, and route communications from each device to the appropriate carrier (and/or, similarly, transmit communications from each carrier to the appropriate wireless device). In this way, for example, a single wireless access point could provide service to cellphones of subscribers of a number of different carriers. Such a wireless access point can provide enhanced efficiency and reduced cost, along with the ability to provide higher service for a number of wireless carriers.
Discontinuous reception alignment in dual connectivity networks
A 3GPP LTE protocol enhancement realizes the full benefit of discontinuous reception (DRX) in Long Term Evolution networks by coordinating and aligning DRX operations for conserving power and timing overhead. A dual connectivity enabled User Equipment (UE) comprising a processor and transceiver is configured to align DRX configuration between counterpart Evolved Node Bs (eNB)s, wherein counterpart eNBs are a Master eNB (MeNB) and a Secondary eNB (SeNB) simultaneously connected to the UE, communicate system frame timing and system frame number (SFN) information between the counterpart eNBs, align DRX start offset (drxStartOffset) values for the counterpart eNBs according to the communicated system frame timing and SFN information to compensate for offsets in system frame timing, and allow the start of a DRX ON duration at specific frame or sub-frame times determined by the drxStartOffset values, after the expiration of a DRX inactivity timer.
Method and system for scheduling application-generated data requests in discontinuous reception (DRX) mode
The invention provides a technique for managing application-generated data requests within a wireless communication device comprising a baseband component operating in discontinuous reception (DRX) mode. The technique includes the steps of receiving a data request from an application, tagging the data request as a low-priority data request or a high-priority data request in accordance with a manner in which the application is executing, forwarding the tagged data request to the baseband component, determining a next-scheduled active time based on parameters associated with the DRX mode, and causing a scheduling request to be issued at or substantially proximate to the next-scheduled active time.
Energy efficient operation for wireless access nodes in a low-load service area within a dense deployment of wireless access nodes
Systems and methods are disclosed for efficient operation of wireless access nodes in a dense deployment of wireless access nodes in a cellular communication network. In general, the dense deployment of wireless access nodes includes multiple wireless access nodes in a service area. The service area is preferably, but not necessarily, a low-load service area. As used herein, a low-load service area is an area within an overall service area of the dense deployment of wireless access nodes in which all wireless access nodes are not needed to provide a desired data capacity. Overlapping radio coverage areas of the wireless access nodes in, or serving, the service area are leveraged to enable efficient operation of the wireless access nodes in the service area.
Apparatus and method for avoiding data loss following an inter-PDSN handoff based on a simple IP network
The disclosure is related to avoiding data loss following a handoff from a second packet data serving node (PDSN) back to a first PDSN before an expiration of a session inactivity timer at the first PDSN. An aspect includes detecting, by an access terminal, a handoff from the first PDSN to the second PDSN, in response to the detecting, starting, by the access terminal, a session keep timer corresponding to the session inactivity timer, the session inactivity timer indicating a maximum amount of time the first PDSN will maintain an inactive communication session with the access terminal, and, based on whether the session keep timer has expired, transmitting, by the access terminal, a plurality of data packets to a server until an acknowledgment is received from the server.
Wireless local area communication method and terminal supporting the same
Methods and terminals for sharing content are described. In one method, an application is activated, upon detection of an event for executing the application, on a terminal, and an application screen having at least one content is displayed. Upon detecting a touch input for selecting, at least one content is selected. Upon detecting a touch input on a transmission button on the application screen, the selected at least one content is transmitted to an external terminal. In another method, an application screen having at least one icon for executing function is displayed; a touch input for selecting an icon associated with content to be received from an external terminal is detected; at least one identifier broadcast by the external terminal is displayed; and at least one content is received from the external terminal corresponding to the selected identifier, upon detection of a touch input for selecting at least one identifier.
Apparatus and method for connecting device through image recognition in mobile terminal
An apparatus and a method for reading an image in a mobile terminal to establish a connection with a neighbor apparatus corresponding to the read image are provided. The apparatus includes an apparatus connector. The apparatus connector determines a neighbor apparatus to which a user desires to connect by reading a corresponding image, and establishes a connection with the determined neighbor apparatus.
Method and device for controlling peripheral devices via a social networking platform
A method and system for connecting a peripheral device to a user device via a Bluetooth protocol, comprising: at the peripheral device: initiating an broadcasting process, comprising: broadcasting a device discovery message, the device discovery message comprising a predetermined identifier designated for a social networking service associated with a social networking application executing on the user device; receiving, from the user device, a connection request corresponding to the device discovery message; and in response to receiving the connection request from the user device, establishing a Bluetooth connection to the user device.
Enhanced PRACH scheme for power savings, range improvement and improved detection
Enhanced random access procedures for link-budget-limited user equipment (UE) devices are disclosed. A user equipment device may transmit a first message containing a Physical Random Access Channel (PRACH). The PRACH contains instances of a Zadoff-Chu sequence, and may be transmitted repeatedly as part of a single random attempt, to facilitate correlation data combining at the base station. The available Zadoff-Chu sequences may be partitioned among a plurality of sets, each set being associated with a respective Doppler shift range (or frequency hop pattern or time repetition pattern). A UE device may signal Doppler shift (or other information) to the base station by selection of one of the sets. The first PRACH transmission and the following PRACH transmission may occur in consecutive subframes. A UE device may select from a special set of Zadoff-Chu sequences (different from a conventional set of sequences), to signal its status as a link-budget-limited device.
Wireless communication method for allocating clear channel, and wireless communication terminal using same
The present invention relates to a wireless communication method for clear channel assessment and a wireless communication terminal using the same, and more particularly, to a wireless communication method and a wireless communication terminal for performing efficient clear channel assessment based on BBS identifier information of non-legacy wireless LAN information. To this end, provided is a wireless communication method including: receiving a radio signal of a specific channel; measuring a signal strength of the received radio signal; and determining whether the specific channel is busy based on the measured signal strength and BSS identifier information of the radio signal.
Conditional parallel execution of access stratum (AS) and non-access stratum (NAS) signaling
The present invention relates to methods and arrangements for facilitating an efficient connection setup. The present invention specifies rules for defining the signaling of connection setup messages from user equipments such as to apply one single transmission if an assigned uplink transmission grant for transmitting the connection setup messages is sufficiently large while applying separate transmissions if the size indicated in said uplink transmission grant is not sufficient. Thus, a sufficiently large grant allows a parallel execution of the connection setup messages.
Base station apparatus, mobile station apparatus, and transmission method
A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.
Packet fragmentation for VoLTE communication sessions
A wireless access node to facilitate voice over long term evolution (VoLTE) communication sessions comprises a wireless communication transceiver and a processing system. The wireless communication transceiver is configured to exchange VoLTE packets with a wireless communication device during a VoLTE communication session, and receive a scheduling request and responsively issue a scheduling grant with a number of hybrid automatic repeat requests (HARQs). The processing system is configured to calculate a quality of service (QoS) score based on a communication quality of the VoLTE communication session after issuing the scheduling grant, and if the QoS score falls below a threshold value, apply a lower level of fragmentation to the VoLTE packets.
Method for receiving signal with interference eliminated and terminal therefor
An embodiment of the present invention provides a method for receiving a signal with an interference eliminated. The method for receiving a signal with an interference eliminated includes the steps of: receiving the information of PBCH (Physical Broadcast Channel) of a neighbor interference cell from a serving cell; receiving the information of the downlink synchronization with the neighbor interference cell from the serving cell; identifying the channel of the serving cell suffering an interference by PBCH of the neighbor interference cell based on the information of the downlink synchronization; and eliminating the interference for receiving the identified channel based on the information of PBCH of the neighbor interference cell.
Method and apparatus for scheduling user equipments based on levels thereof in mobile communication system
Provided are a method and apparatus for scheduling user equipments. The apparatus for allocating resources to UEs may include: a communication unit to send and receive data to and from one or more UEs; and a control unit to perform a process of determining the first maximum throughput based on channel quality information received from one or more UEs and UE levels, performing a first-stage sorting operation on a list of UEs based on the first maximum throughput and average throughput, performing, when there are two or more UEs that have the same UE level and are adjacent in the list, a second-stage sorting operation on those UEs based on the channel quality information, and allocating resources to at least one UE in the list. Accordingly, when UEs having different UE levels compete for resources, it is possible to increase the overall throughput of the base station.
System and method for reducing collisions in wireless networks
In one example, a system and method includes transmitting a first type of information from a transmitter at a first set of transmission parameters, wherein the first set of transmission parameters includes a first PHY data rate and a first transmission power, transmitting a second type of information at a second set of transmission parameters, wherein the second set of transmission parameters includes a second PHY data rate and a second transmission power, and switching between the first set of transmission parameters and the second set of transmission parameters as a function of the type of information to be transmitted. One or more of the first PHY data rate and the first transmission power are different than the second PHY data rate and the second transmission power, respectively.
Techniques for beam shaping at a millimeter wave base station and a wireless device and fast antenna subarray selection at a wireless device
Methods, systems, and devices are described for wireless communication at a user equipment (UE). A wireless communications system may improve UE discovery latency by dynamically selecting and switching beam forming codebooks at the millimeter wave base station and the wireless device. Selecting an optimal beam forming codebook may allow the wireless communication system to improve link margins between the base station without compromising resources. In some examples, a wireless device may determine whether the received signals from the millimeter wave base station satisfy established signal to noise (SNR) thresholds, and select an optimal beam codebook to establish communication. Additionally or alternately, the wireless device may further signal the selected beam codebook to the millimeter wave base station and direct the millimeter wave base station to adjust its codebook based on the selection.
Base station, radio communications system, and processing method in base station
A base station includes a determining unit, and a change unit. The determining unit determines, for each terminal, whether reception quality of an uplink signal from the terminal is equal to or smaller than a certain threshold. The change unit performs first processing or second processing when the reception quality is equal to or smaller than the certain threshold. The first processing is the processing of instructing a first terminal, a terminal of a transmission source of an uplink signal, to change the frequency of the uplink signal of the first terminal to the frequency of either an uplink or a downlink signal assigned to each terminal. The second processing is the processing of changing the frequency of a downlink signal identical to that of the uplink signal from the first terminal to the frequency of either an uplink or a downlink signal assigned to each terminal.
Intelligent data transfer for multiple sensor networks over a broad temperature range
A sensor network may be configured to operate in extreme temperature environments. A sensor may be configured to generate a frequency carrier, and transmit the frequency carrier to a node. The node may be configured to amplitude modulate the frequency carrier, and transmit the amplitude modulated frequency carrier to a receiver.
Wireless communications system and method in a wireless communications system
There is provided a method in a wireless base station (300), the method comprise transmitting, to a wireless device (100) having a reduced data bandwidth or a reduced control and data bandwidth, control and data signalling within a first bandwidth, in respective control and data regions, wherein signalling within the data region intended for the wireless device (100) is constrained within a second bandwidth which is narrower than the first bandwidth.
Method for sending and receiving control information, apparatus and communication system
The present invention provides a method for sending and receiving control information, an apparatus and a communication system. The method for sending control information includes: setting respective control bits in a downlink control information (DCI) format to generate control information applied by a network side to a terminal, wherein indication information indicating whether to swap a corresponding relationship between a transmission block and a codeword is not carried in a control bit in the DCI format, if a dedicated demodulation reference signal used to demodulate data is preconfigured by the network side for the terminal and respective codewords correspond to the same number of layers; and the indication information is carried in a control bit in the DCI format, if the dedicated demodulation reference signal used to demodulate data is not preconfigured by the network side for the terminal; and sending the generated control information to the terminal.
TDD uplink/downlink configuration enhancements
The invention relates to the performing, by a mobile station, of a PUSCH transmission (3) in response to a DCI transmission (1). Specifically, in case a first TDD uplink/downlink configuration, according to which the communication is configured, is different from a second TDD uplink/downlink configuration, on the basis of which the DCI to PUSCH timing relations are defined (2a), and in case these DCI to PUSCH timing relations define plural timing relations for performing PUSCH transmissions in response to a single DCI transmission (2b), the mobile station applies a pre-stored association (2c) indicating a single timing relation that is to be used for determining the PUSCH transmission based on the subframe in which the corresponding DCI transmission is received (2d).
PUCCH resource compression for EPDCCH in TDD mode
Techniques are described for compressing the PUCCH resources reserved for acknowledging downlink data transmissions when those resources are implicitly signaled by EPDCCHs that schedule the downlink transmissions in TDD mode. An acknowledgment resource offset field transmitted in the EPDCCH is configured to correspond to one or more values that compress the region in PUCCH resource index space that would otherwise be reserved for the subframes of a bundling window.
Automobile communication device
An automobile communication device receives a message from a peripheral device in an automobile. The message triggers transmission of a request. The automobile communication device transmits the request. The automobile communication device receives over the first cell group a control message configuring a second cell group. The automobile communication device receives a plurality of packets over the first cell group and the second cell group. The automobile communication device forwards the plurality of packets to the peripheral device.
Method for determining channel quality indicator, base station and user equipment therefor
A base station and a related method are provided. The base station includes a transmitter which, in operation, transmits, to a user equipment (UE), values configured for different base station coordination types, respectively, wherein each of the base station coordination types defines which base stations among multiple base stations perform coordinated transmission in that base station coordination type. The base station further includes a receiver which, in operation, receives a channel quality indicator (CQI) reported from the UE, wherein the CQI is calculated at the UE in reference to the values.
Method, device, and system for resource configuration
A method and a communications system are provided. The system includes a base station and a RNC. The base station does not report the RNC whether the base station supports an E-DPCCH power boost capability. The RNC is also informed whether a UE supports and E-DPCCH power boost capability. If the UE supports E-DPCCH power boost function, the RCE designates by default that the base station also supports the E-DPCCH power boost function even though the base station does not report whether it supports or not, and configures resources for the base station to perform channel estimation by using the E-DPCCH power boost feature for the UE. If the base station itself does not support E-DPCCH power boost capability, the base station configures its resources accordingly and performs the channel estimation by using DPCCH.
Scheduling of software package transmissions on a multimedia broadcast multicast service channel
A computing device may schedule transmission of software packages on a broadcast/multicast downlink channel. The schedule may also include media transmissions on the channel, and the software package transmissions may be scheduled for times when the media transmissions are using less than or equal to a threshold capacity level of the channel. A software update request may be received from a wireless computing device. Possibly in response to receiving the software update request, a particular software package related to the wireless computing device may be determined. The particular software package may be scheduled to begin transmission on the channel at a particular time. At least an identifier of the channel and the particular time may be transmitted to the wireless computing device.
Communication system for reducing congestion
The present invention has an object to provide a communication system capable of avoiding congestion in downlink communication or uplink communication and a shortage of radio resources arising therefrom. In the present invention, in a communication system including a normal user equipment (normal UE) that performs human to human communication and a machine type communication device (MTCD) that performs machine to machine communication, a base station device transmits a paging message to the normal UE and the MTCD for calling the normal UE and the MTCD. The paging message contains, for example, an equipment identity (UE-ID). A maximum number of equipment identities (UE-IDs) that can be accommodated within this paging message is set individually for the normal UE and the MTCD. Alternatively, the paging message contains a calling indicator in place of the equipment identity of the MTCD (UE-ID of MTCD).
Systems and methods for reduced latency tracking area selection
Some embodiments provide methods for selecting tracking areas, including: receiving a plurality of messages from a plurality of base transceiver stations, each message including a list of tracking areas handled by the base transceiver station from which the message is received; performing domain name system queries for the tracking areas to retrieve information identifying serving gateways serving the tracking areas; based on the information identifying serving gateways, storing, in a local memory, a list of tracking area identities handled by each identified serving gateway; receiving a message from user equipment indicating a first tracking area; selecting at least one tracking area handled by a serving gateway serving the first tracking area based on the list of tracking areas handled by each identified serving gateway stored in the memory; and sending a tracking area identity list to the user equipment based on the selected at least one tracking area.
Over-the-air frequency and time synchronization for small cells
Systems and methods related to time and frequency synchronization of a base station in a cellular communications network are disclosed. In some embodiments, a method of operation of a synchronizing base station comprises selecting a first base station for frequency synchronization and a second base station for time synchronization, where the second base station can be different than the first base station selected for frequency synchronization. The method further comprises performing frequency synchronization using a signal transmitted from a radio interface of the first base station and performing time synchronization using a signal transmitted from a radio interface of the second base station. In this manner, the synchronizing base station is enabled to independently select the first and second base stations used for frequency and time synchronization, respectively.
Power adjustment method, computer-readable recording medium and power adjustment apparatus
A power adjustment method includes: measuring output power that is obtained when input power to be amplified in a linear region is input to a power amplifier configured to amplify input power linearly in the linear region and amplify input power nonlinearly in a nonlinear region; deriving a straight line connecting a measurement point corresponding to the measured output power and a boundary point between the linear region and the nonlinear region in a coordinate plane representing input/output characteristics; acquiring information on an approximate equation that is stored in advance in correspondence with the measured output power, the approximate equation representing a relation between input power and output power in the nonlinear region; and storing information on the derived straight line and the acquired information on the approximate equation in a semiconductor integrated circuit provided at a preceding stage of the power amplifier.
Method and apparatus for controlling uplink power in wireless communication system
A method and apparatus for controlling an uplink power in a wireless communication system is provided. A user equipment (UE) sets a first maximum power for a first set of uplink subframes for a first eNodeB (eNB) in which the UE can allocate up to the first maximum power to uplink signals to be transmitted to the first eNB, and sets a second maximum power for a second set of uplink subframes for the first eNB in which the UE can allocate up to the second maximum power to uplink signals to be transmitted to the first eNB. The uplink signals are transmitted to the first eNB only in the first set of uplink subframes. Further, the uplink signals are transmitted to both the first eNB and a second eNB in the second set of uplink subframes.
Network selection method, apparatus, and base station
Embodiments of the present invention disclose a network selection method, an apparatus and a base station. The method includes: determining each of networks satisfying requirements of a user when the user initiates a service or transmits a service; estimating an average energy efficiency of a system during service transmission after the user selects to access each of the networks; selecting a network which can make the average energy efficiency of the system reach a preset threshold value to serve the user. Embodiments of the present invention solve a problem in the prior art that, because no consideration is given to network energy consumption in the network selection, system energy efficiency is reduced. Through comprehensive consideration of network energy efficiency and system energy efficiency, the need for energy saving and consumption reduction is met.
Joint transmission of CSI-RS for channel state feedback and transmission point selection
Certain example embodiments of the present disclosure provide techniques for joint transmission of channel state information reference signals (CSI-RS) from multiple transmission points (TPs) for channel state feedback and/or TP selection. An example method generally includes coordinating with one or more other TPs to jointly transmit a channel state information reference signal (CSI-RS) to a user equipment (UE); signaling a reporting restriction to the UE; receiving precoding matrix indicator (PMI) feedback from the UE based on the jointly transmitted CSI-RS and subject to the reporting restriction; and selecting one or more of the TPs to serve based on the PMI feedback.
Method and apparatus for operation of multi-sim device
Methods, devices, and systems are disclosed for allocating the Radio Frequency (RF) resources of a multi-Subscriber Identification Module (SIM) device among multiple installed SIMS to receive their respective paging signals. In one embodiment, a method comprises generating a paging pattern of the first SIM, detecting a first collision between Radio Frequency (RF) resource allocations to the first SIM and the second SIM for receiving the paging signal, wherein RF resources are not allocated to the first SIM in the collision, and allocating the RF resources to the first SIM or the second SIM based on the generated paging pattern of the first SIM after the first collision.
Apparatus, system and method of communicating in an awareness cluster
Some demonstrative embodiments include apparatuses, systems and/or methods of communicating in an awareness cluster. For example, an apparatus may include circuitry configured to cause an awareness networking device to communicate during one or more Discovery Windows (DW) of an awareness cluster; communicate with one or more devices of at least one data path group, the data path group comprising devices of the awareness cluster and having a common schedule of radio resources (SRR); and communicate with one or more devices of at least one service data group, the service data group comprising devices of the data path group being subscribed to a common service.
Devices and method for retrieving and utilizing neighboring WLAN information for LTE LAA operation
A License Assisted Access (LAA) enhanced NodeB (eNB), user equipment (UE) and communication methods therebetween operating in a Long Term Evolution unlicensed band (LTE-U) are generally described. The eNB may transmit a request to the UE for information regarding a Wireless Local Area Network (WLAN) over which the UE may be able to communicate. The WLAN information may include an LTE-U channel and time window for reporting. The UE may obtain the WLAN information through communication with an access point (AP). Measurement information of the LTE-U channel may also be obtained by or on behalf of the UE. The UE may transmit the WLAN information to the eNB. The eNB may use the WLAN information or submit the WLAN information to a network entity to perform channel selection, UE grouping or localization, appointing delegate UEs to perform channel sensing or scheduling UEs in a same group or proximity.
Methods and apparatus for neighborhood area network detection
Methods, apparatuses, and devices are described for wireless communications in which neighborhood area network (NaN) information may be requested and provided in a relatively fast and efficient manner between devices of a NaN. A wireless communication device, such as a station in a wireless communications network, may transmit an active probe request to seek information related to a NaN. The active probe request may be a NaN specific probe request, or may be transmitted from a station as part of an active scan for wireless network infrastructure other than NaN devices (e.g., as part of a scan for an AP in a BSS). An AP or master device of the NaN may receive the probe request and generate a NaN discovery response, which may include information that the requesting device may use for connecting to a device in the NaN.
Method for transferring information between base station and terminal, base station, terminal, and system
Embodiments of the present invention relate to the field of communications technologies, and disclose a method for transferring information between a base station and a terminal, a base station, a terminal, and a system, which diversify manners for transferring information between a base station and a terminal. The method includes: receiving a broadcast channel, where the broadcast channel is not only used for transferring basic physical layer configuration information of a cell, but also used for transferring first specific content agreed between the terminal and the base station, and the first specific content is used for transferring configuration information required by the terminal to access a network; and parsing out the first specific content from the broadcast channel. The present invention is mainly applied to transfer of information between a base station and a terminal.
Systems and methods for identification in a neighborhood aware network
Methods, devices, and computer program products for synchronization of wireless devices in a peer-to-peer network are described herein. In one aspect, a method of communicating in a neighborhood aware network (NAN) is provided. The method includes generating a NAN frame including one or more of a first address field, a second address field, a third address field, a third address field, and an information element. The method further includes encoding a NAN identifier in at least one of the first address field, the third address field, and the information element. The method further includes transmitting the NAN frame.
Wireless access system and fixed terminal control apparatus
A wireless access system includes a terminal; and a fixed terminal control apparatus configured to identify based on position information of the terminal, whether the terminal is a fixed terminal having no change in position for a predetermined period of time, the fixed terminal control apparatus identifying whether the terminal is the fixed terminal, when the fixed terminal control apparatus receives from the terminal, a connection request requesting connection to a network of the terminal, the fixed terminal control apparatus further configured to deny the connection request according to a predetermined probability, when identifying the terminal to be the fixed terminal.
Method and apparatus for cell selection in a wireless communication system
The present invention relates to a method for cell selection in a wireless communication system. The method for cell selection by a terminal according to one embodiment of the present invention may comprise the following steps: measuring the channel quality of a first cell; measuring the channel quality of a second cell; determining whether the value obtained by applying an offset to the result of the measurement of the channel quality of the second cell is better than the result of the measurement of the channel quality of the first cell; if the value obtained by applying an offset to the result of the measurement of the channel quality of the second cell is better than the result of the measurement of the channel quality of the first cell, determining whether the value obtained by applying no offset to the result of the measurement of the channel quality of the second cell is better than a preset reference value; and, if the value obtained by applying no offset to the result of the measurement of the channel quality of the second cell is better than the preset reference value, selecting the second cell. According to one embodiment of the present invention, an operable cell can be selected to prevent malfunctions, and interference from a CSG cell may be reduced.
User terminal, cellular base station, and processor
UE 100 transmits and receives traffic to and from eNB 200 in a cellular communication system capable of cooperating with a WLAN system. The UE 100 determines, on the basis of a determination parameter related to a situation of the UE 1001, whether or not an offload in which the traffic is transitioned to the WLAN system should be performed, when the UE 100 is selected as a target terminal subject to the offload. The UE 100 transmits, to the eNB 200, a rejection notification that related to rejection to the offload when the UE 100 determines that the offload should not be performed.
Inter-access network handover
In a wireless network environment comprising first and second packet-switched access networks, each access network using a tunnelling-type micro-mobility protocol and a Quality of Service (QoS) routing protocol to route packet data to and from mobile nodes attached thereto, and each access network comprising an access router to which a mobile node may attach, a mobility agent with which said mobile node may register and a gateway, a method of facilitating network layer handover of said mobile node from said first access network to said second access network, said mobile node registered in said first access network with a serving mobility agent, which method comprises the steps of: said mobile node receiving a router advertisement from said second access network, which router advertisement comprises a network-layer address of a target mobility agent in said second access network with which said mobile node may register; and said mobile node forwarding said network-layer address to said serving mobility agent, whereby said serving mobility agent may communicate with said target mobility agent to facilitate network-layer handover of said mobile node to said second access network.
Pre-registration of a wireless communication device in a long term evolution network
A data communication system pre-registers User Equipment (UE) to a Long Term Evolution (LTE) tracking area in an LTE network before the UE attaches to the LTE network. A voice communication network receives a release message for a user voice session and responsively transfers a pre-attachment message to an MME in the LTE network comprising a UE Identifier (ID), a serving base station ID, and an indication that the UE will attach to the LTE network. The MME processes the base station ID to select an LTE network Physical Cell Identity (PCI), processes the LTE network PCI to select an LTE tracking area, and pre-registers the UE ID to the selected LTE tracking area. An LTE base station receives an attachment request from the UE based on the LTE network PCI and responsively attaches the UE to the LTE network without performing a tracking area update.
Data forwarding method and device
Disclosed are a data forwarding method and device, used for solving the problem that a communication interruption risk is generated when a user equipment (UE) is handed over in an existing hierarchical network. The method comprises: a source macro base station obtaining serial number sending state information of PDCP data packets, in uplink and downlink directions, of a local base station currently accessed by a UE, a control plane of the UE being connected to the source macro base station, and a user plane being connected to the local base station; and the source macro base station sending the serial number sending state information to a target base station that the UE is to be handed over to, and the target base station establishing a user plane connection to the UE according to the serial number sending state information.
Assigning a variable QCI for a call among a plurality of user devices
Disclosed is a method for assigning a variable Quality of Service (QoS) Class Identifier (QCI) for a call among a plurality of user devices by determining an initial QCI for the call based on one or more metrics related to the plurality of user devices, assigning the initial QCI for the call to the plurality of user devices or to a first user device of the plurality of user devices, determining a second QCI for the call, wherein the second QCI is based on a plurality of user engagement scores and information related to the one or more metrics received from the plurality of user devices, and assigning the second QCI for the call to the plurality of user devices or to the first user device of the plurality of user devices.
Systems and methods for data transmission
Systems and methods are provided for data transmission. For example, packet loss is detected based on at least information associated with a first data packet; and in response to packet loss being detected, a packet-retransmission request is sent to a data-transmission terminal and the packet-retransmission request is repeatedly sent to the data-transmission terminal during a retransmission life-cycle associated with the first data packet, the packet-retransmission request including a first identification of the packet-retransmission request.
Wireless communication terminal, wireless communication base station, wireless communication system, and reporting method
In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, and performs measurement on reception of the downlink signal. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the terminal generates and transmits a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs.
Systems and methods for determining asymmetric downlink and uplink propagation delays in a wireless distribution system (WDS) for more accurately determining propagation delay
Embodiments of the disclosure relate to systems and methods for determining asymmetric downlink and uplink propagation delays in a wireless distribution system (WDS) for more accurately determining propagation delay. In this regard, a WDS is configured to determine both the separate downlink and uplink propagation delays between a central unit and a plurality of remote units. It is not presumed that the downlink propagation delay and the uplink propagation delay in the WDS are symmetric to provide a more accurate determination of propagation delay. Therefore, it is possible to determine the downlink and uplink propagation delays with improved accuracy, thus enabling more precise location identification in the WDS.
Transmission mode selection based on wireless communication device information
Examples disclosed herein provide systems, methods, and software to transition signaling formats for a wireless communication device. In one example, a method of operating an eNodeB to transition signaling formats or modes for a wireless communication device includes exchanging first wireless communication signals with the wireless communication device using multiple-input and multiple-output (MIMO) signaling. The method further includes identifying a signal transition event for the wireless communication device and, in response to identifying the signal transition event, determining whether the wireless communication device meets a transition criteria. The method also provides, if the wireless communication device meets the transition criteria, exchanging second wireless communication signals with the wireless communication device using beamforming signaling.
Methods and systems for dynamic spectrum arbitrage based on anticipated traffic load
Methods and system are provided for managing and monitoring allocation of RF spectrum resources based on time, space and frequency. A network may be enabled to allocate excess spectrum resources for use by other network providers on a real-time basis. Allocated resources may be transferred from one provider with excess resources to another in need of additional resources based on contractual terms or on a real-time purchase negotiations and settlements. A network may be enabled to monitor the use of allocated resources on real-time basis and off-load or allow additional users depending on the spectrum resources availability. Public safety networks may be enabled to make spectrum resources available to general public by allocating spectrum resources and monitoring the use of those resources. During an emergency, when traffic increases on a public safety network, the public safety networks may off-load bandwidth traffic to make available necessary resources for public safety users.
Method for transmitting data on unlicensed band and base station therefor
One disclosure of the present specification provides a method by which a long term evolution advanced (LTE-A)-based base station transmits data on an unlicensed band. The method can comprise the steps of: setting, by the base station, a listen before talk (LBT) configuration for determining whether to transmit signals of other nodes before transmitting data on the unlicensed band; measuring, by the base station, interference due to signals from other nodes during a preset measurement period; comparing the detected interference and a preset threshold value; changing the LBT configuration according to the comparison; and transmitting the changed LBT configuration to a terminal.
Method and apparatus for controlling network access according to UE capability and subscription information
A method and apparatus are provided for controlling network access based on UE capability and subscription information. A method of a Mobility Management Entity (MME) includes receiving, from a User Equipment (UE), a message including voice domain preference information indicating whether the UE prefers an access network for a voice service; determining whether access of the UE to the mobile communication system is allowed based on the voice domain preference information; and transmitting, to the UE, a message indicating whether the access to the mobile communication system is allowed.
Transferring application data between devices
Methods, systems, and apparatus are described for transferring application data between devices. In one aspect, a method includes causing, by a first service running on a first device, the first device to establish a wireless connection with a second device; receiving, from a second service running on the second device, data specifying applications that are installed on the second device and supported by the second service, each of the applications being separate from the second service; determining, by the first service, that a first application installed on the first device matches one of the applications installed on the second device, the first application being separate from the first service; receiving, by the first service, first application data from the first application; and causing, by the first service, the first device to send the first application data to the second service running on the second device using the wireless connection.
Identifying a user equipment in a communication network
A method and apparatus for identifying a User Equipment (UE) in a communication network. A service aware control signalling node associated with a transmission path related to the UE receives a first message sent from a Radio Access Network (RAN) node associated with the UE on the transmission path. The first message initiates a communication between the RAN node and the control signalling node and includes an identity of the UE. On its own, the identity of the UE is not enough to unambiguously identify the UE, as described above. The control signalling node stores at a database an identity of the UE and an identity of the transmission path via which the first message was sent. The combination of the UE identity and the transmission path identity can be used to uniquely identify the UE.
Management method and management server for using SIM cards
First, an MVNO 230A that has obtained one or more SIM cards logs in to a management screen provided by an MVNE 210 in association with a user ID of the MVNO 230A. From the standpoint of the MVNE 210, it is determined whether a user ID of a user who has accessed a management screen of a management server of the MVNE 210 is under MVNO contract (S301). When the user ID is under MVNO contract, an identification number given to each SIM card and a passcode for authentication given as needed are received as registration information (S302). If the management server of the MVNE 210 can receive necessary registration information, each SIM card of which an identification number is specified by the registration information is associated with the user ID as an SIM card used by the MVNO 230A (S303).
Method of managing several profiles in a secure element
The invention is a method for managing communication between a secure element and a device. The secure element comprises a physical communication interface and first and second virtual profiles. It is configured to exchange data targeting the virtual profiles with the device through the physical communication interface. The method comprises the steps of: running simultaneously said first and second virtual profiles, demultiplex incoming data received through the physical communication interface and multiplex outgoing data sent through the physical communication interface, resetting one of said virtual profiles individually without affecting the other virtual profiles in response to receiving a specific signal sent by the device through the physical communication interface.
Location-based, radio-device identification apparatus and method
An apparatus and method is disclosed to receive location data identifying the current location of a vehicle. A database, storing radio device records, is then queried. Each radio device record in the database identifies a radio device (e.g., a transmitter, receiver, transceiver, transponders, etc.) and a location of the radio device using a suitable coordinate system. Radio device records associated with radio devices likely to be within communication range of the vehicle may then be retrieved from the database. These radio device records may be used to generate a radio device list that may be presented to an occupant of the vehicle.
Session quality display in a wireless communication system
A wireless communication device maintains a communication contact. The wireless communication device receives media session quality data for the communication contact. The wireless communication device receives a request for a media session with the communication contact and responsively identifies estimated media session quality with the communication contact based on the media session quality data for the communication contact. The wireless communication device displays a session activation icon for the media session request that visually indicates the estimated media session quality for the media session with the communication contact. The wireless communication device receives a user selection of the session activation icon and responsively establishes the media session with the communication contact.
Systems and methods for delivering product information to a mobile device
Methods and systems are provided for delivering product information to a mobile device. A beacon uses a transmitter to transmit a product identification key to the mobile device over a first communication channel. A remote server has a database of detailed product information corresponding to the product identification key. An application on the mobile device to requests the detailed product information from the remote server over a second communication channel. The remote server transmits the detailed product information to the mobile device over the second communication channel and the detailed product information is displayed on the mobile device.
Prohibiting mobile forwarding
An incoming message and an indication of a sender-specified destination for the incoming message are received. In addition, a determination is made as to whether a mobile telephone number is known by the sender to be associated with the sender-specified destination. If a mobile telephone number is known by the sender to be associated with the sender-specified destination, a first message that is based on the incoming message is sent to the mobile telephone number. Furthermore, a second message is sent to the mobile telephone number that indicates that the first message was sent to the mobile telephone number based on a determination that the mobile telephone number is known by the sender to be associated with the sender-specified destination.
Routing of toll-free numbers and text messages using a toll-free exchange
Aspects of this disclosure are directed to a method of routing text messages to subscribers of toll-free numbers using the toll-free exchange. Typically, an originating texter will draft a text message, using, for example, an SMS component of a cellular phone to a toll-free subscriber. In an aspect of the present disclosure, the text message is sent to the originating texter's service provider, which then routes the text message to the toll-free exchange. The toll-free exchange looks up the RESPORG ID associated with the ten-digit toll-free number, and the RESPORG ID is used for text message routing.
Vehicle onboard communication terminal and mobile communication system
A vehicle onboard communication terminal in a mobile communication system that establishes vehicle-to-vehicle communication and road-to-vehicle communication by using a carrier wave and employs Carrier Sense Multiple Access/Collision Avoidance method includes: a reception processing portion that receives road-to-vehicle communication data transmitted from a roadside device and vehicle-to-vehicle communication data transmitted from a different vehicle onboard communication terminal; a transmission processing portion; a transmission control portion that controls an operation of the transmission processing portion and has a regular transmission mode and a passive transmission mode; and a determination portion. The transmission control portion detects usage of the carrier frequency when the transmission control portion is operating in the regular transmission mode. the transmission control portion stops the transmission of the vehicle-to-vehicle communication data and receives data addressed to the vehicle onboard communication terminal from the roadside device when the transmission control portion is operating in the passive transmission mode.
Techniques for exchanging contact information and establishing a connection via a social networking service
A method of making it easier for users to interact with each other via a social networking system is disclosed. It is detected that a first user of a social networking system performed an action with respect to a second user of the social networking system. It is interpreted that the action of the first user corresponds to a command that the first user intends to issue to a social networking system, the command pertaining to the second user. The command is processed by the social networking system on behalf of the first user.
Method and apparatus for providing location information in a wireless access system supporting a mission critical push to talk service
One of embodiments providing location information in a wireless access system supporting a MCPTT service comprises steps of: receiving, from a requesting UE, a report request message requesting a report of location information, the report request message encrypted with a credential of the requesting UE; verifying the credential of the requesting UE; and transmitting, to the requesting UE, a report response message including the location information of the requested UE, when the credential of the requesting UE has been verified; or transmitting, to the requesting UE, a request reject message indicating the report request is denied, when the credential of the requesting UE is not verified, wherein the credential is configured with an identifier of the requesting UE and a qualification of the MCPTT service, and the MCPTT service is used for a public safety and utility services and provides communication among the requesting and the requested UEs.
Systems and methods for displaying location information for RFID tags
A system, method and computer readable medium are provided. One system includes a transmit antenna, at least one receive antenna, and an imager configured to acquire one or more images in a scanning area having one or more radio frequency identifier (RFID) tags including an RFID tag of interest. The system further includes a controller configured to operate the transmit antenna and the at least one receive antenna to acquire location information from the RFID tags, wherein the controller is further configured to operate the imager to acquire the images while the location information is acquired. The system includes a processor configured to correlate the acquired location information and the one or more images to determine an image corresponding to a location of the RFID tag of interest. The system additionally includes a display configured to display the image corresponding to the location of the RFID tag of interest.
PHY layer options for body area network (BAN) devices
In at least some embodiments, a communication device includes a transceiver with a physical (PHY) layer. The PHY layer is configured for body area network (BAN) operations in a limited multipath environment using M-ary PSK, differential M-ary PSK or rotated differential M-ary PSK. Also, the PHY layer uses a constant symbol rate for BAN packet transmissions.
Communication apparatus, method for controlling the same, and storage medium
A communication apparatus starts short distance wireless communication with another communication apparatus while joining a wireless LAN created by an external access point (AP) as a station, determines whether the communication apparatus can concurrently perform a station function and an AP function of the wireless LAN in accordance with the start of the short distance wireless communication, directly connects to the other communication apparatus by the wireless LAN by disconnecting from the external AP when it is not determined that the station function and the AP function can be concurrently performed, reconnects to the external AP as the station when the direct connection fails, and directly connects to the other communication apparatus by the wireless LAN without disconnecting from the external AP when it is determined that the station function and the AP function can be performed concurrently.
System and method of configuring HVAC components in an HVAC system
A system and method of configuring HVAC components in an HVAC system including a main system controller in operable communication with at least one auxiliary controller, wherein the main system controller and each of the at least one auxiliary controllers include a near field communication interface. The HVAC system components are configured by placing each of the at least one auxiliary controllers in close proximity to the main system controller, and operating the main system controller to initiate a pairing event.
Data collection and management system, data collection and management method, terminal, and management apparatus
A data collection and management system includes: a terminal(s) that transmits measured data; and a management apparatus that receives and manages the measured data transmitted from the terminal(s). The management apparatus includes a notification unit that notifies the terminal(s) of transmission cost information indicating a cost incurrable upon transmitting measured data to the management apparatus by the terminal(s). The terminal(s) includes: a calculation unit that calculates an information value indicating a value of measured data as information; and a transmission control unit that determines whether to transmit measured data to the management apparatus based on the information value and the transmission cost information.
Method and system of processing 5.1-channel signals for stereo replay using binaural corner impulse response
A down-mixing method of 5.1 audio input channels for two channel replay by DRC processing of the LFE and the LS and RS channel signal before mixing, and by filtering LS and RS channels with BRTFs measured from placing a loud speaker at a corner of a room and measuring head at the diagonal corner of the room.
Method and device for identifying the position of loudspeaker boxes in a loudspeaker box arrangement
A method for identifying the position of loudspeaker boxes in a loudspeaker box arrangement includes the operation of a first loudspeaker box in the loudspeaker box arrangement as an acoustic test signal generator. An acoustic test signal from the first loudspeaker box is received at other loudspeaker boxes in the loudspeaker box arrangement. A positional relationship between the signal-generating first loudspeaker box and at least one of the other loudspeaker boxes in the loudspeaker box arrangement is ascertained on the basis of the acoustic test signal received in the other loudspeaker boxes.
Apparatus and method for detecting earphone removal and insertion
At least one electrical value for a plurality of frequencies is measured over a range of frequencies. An impedance is calculated based upon the at least one electrical value for each of the plurality of frequencies in the frequency range, the calculating producing a plurality of impedances. A maximum impedance from the plurality of impedances and a frequency associated with the maximum impedance are determined. The frequency is compared to a predetermined threshold, and based upon the comparing it is determined whether an earphone has been removed from the ear of a wearer.
Acoustic sensor package
Representative implementations of devices and techniques provide an improved signal receive time to a sensor component. The sensor component is enclosed within a package arranged to allow the sensor to potentially receive a signal in less time. The package may have a cavity, and the cavity may be at least partly filled with an acoustical transducer.
Loudspeaker device and audio output apparatus having the same
A loudspeaker device includes a frame having a bottom portion with a curved surface along a first direction and a pair of lateral portions provided at lateral sides of the bottom portion in the first direction; a plurality of magnets curved and extended along the curved surface of the bottom portion, and arranged to be spaced apart from each other; a diaphragm supported by the pair of lateral portions, curved in parallel with the curved surface of the bottom portion, and spaced apart at a predetermined distance from top surfaces of the plurality of magnets; and a coil provided on the diaphragm at positions corresponding to spaces between the plurality of magnets in the first direction, the coil being configured to drive the diaphragm to vibrate in a direction perpendicular to the curved surface of the bottom portion of the frame by a magnetic field formed by the plurality of magnets as an audio signal is electrically applied.
Methods and systems for active sound attenuation in a fan unit
A system and method for controlling noise produced by an air handling system, for example, is provided. The system includes a source microphone to collect sound measurements from the air handling system and a processor to define a cancellation signal that at least partially cancels out the sound measurements. The system also includes a speaker to generate the cancellation signal. The sound measurements are at least partially canceled out within a region of cancellation. Accordingly, the system further includes a response microphone to collect response sound measurements at the region of cancellation. The processor tunes the cancellation signal based on the response sound measurements.
System for sound capture and generation via nasal vibration
A system for sound capture and generation via nasal vibration is described. In embodiments the system includes eyeglasses that include at least a frame that is wearable by a user. Sensing circuitry is mounted to the frame, and a device is incorporated into the frame. The sensing circuitry includes at least one sensor, wherein the sensor can passively sense voice vibration induced in the user's nose, and/or which may actively induce audio vibration in the user's nose based on audio data.
Acoustic apparatus and operation
A portable acoustic warning device which projects a specific acoustic waveform towards a target, creating a narrow beam of sound that is highly selective, minimizing exposure to users and bystanders, while enabling a controlled dosage of sound to be applied to the target. The design of the device is tailored to this waveform thus achieving a very high degree of directivity. It is not intended for communicating verbal messages. This waveform achieves maximum intensity at the target while using a relatively low sound pressure level; meaning that the exposure levels can be controlled to ensure they are within existing health and safety legislation. A laser range finder limits the sound level at the target to a pre-determined level. An integrated camera is used to aid aiming. Video footage is recorded with use; along with the sound level at the target, exposure duration, time, date and GPS coordinates.
Optical heart rate earphone
An optical heart rate earphone includes a front housing, a circuit board assembly, a rear housing assembled to a rear end of the front housing, and a light pipe. The front housing has a sound tube. At least one portion of the sound tube forms at least one light transmission gap. The circuit board assembly includes a circuit board and at least one optical sensor. The at least one optical sensor is corresponding to the at least one light transmission gap. The light pipe has a circular base. At least one portion of a periphery of the base protrudes rearward to form at least one transmittance slice. The light pipe is assembled to the sound tube. The at least one transmittance slice is wedged in the at least one light transmission gap.
Electrical system for a speaker and its control
An electrical apparatus includes a frame, a speaker connected to the frame, a digital signal processor in communication with the speaker to receive audio data and control data to control the speaker, the digital signal processor connected to the frame, and a lamp base coupler electrically connected to the speaker and receiver, the lamp base coupler detachably connectable to a power source, when the power source is present. A method of steering the diffused sound field includes, broadcasting at least one calibration audio signal through a plurality of speakers (M) in an audio system, receiving the calibration audio signal in a plurality of microphones spaced apart and positioned about at a listening position, and calculating respective relative speaker placement angles relative to the listening position between each of the plurality of speakers in response to receipt of the calibration audio signal in the plurality of microphones.
Monitoring and reporting household activities in the smart home according to a household policy
Embodiments provided herein relate to monitoring and reporting household activities. In one embodiment, a method includes: monitoring, via a smart device, one or more activities associated with: a household; analyzing, via the smart device, a processor, or both, at least one characteristic of the one or more activities to discern information about the household; and reporting, via the device, the discerned information.
Receiving apparatus, broadcasting apparatus, server apparatus, and receiving method
This receiving apparatus includes a broadcast reception unit configured to receive a broadcasting signal including a broadcast program and tag information, the broadcast program including at least one scene, the tag information including information that is transmitted temporally corresponding to each of at least one scene of the broadcast program and is necessary for acquiring related information related to the broadcast program; an application controller configured to acquire an application that uses the related information and an application information table in which at least identification information for identifying the tag information including information for controlling an operation of the application and information for identifying the related information used by the application is described, and to control the operation of the application based on the application information table; a tag information processing unit configured to acquire the tag information based on the identification information described in the application information table from the received broadcasting signal, to acquire the related information based on the tag information, and to supply it to the application being executed.
Re-presentation of previously presented content
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for re-presentation of previously presented content. One of the methods includes providing a video advertisement for presentation on a user device along with a video content item, in response to receiving a request to view the video content item. First information is received that indicates that a user of the user device wants to skip the video advertisement or that the video advertisement has completed play. After receipt of the first information, a control to facilitate re-presentation of the video advertisement is provided. Second information is received indicating that the user of the user device has interacted with the control. The video advertisement is provided for re-presentation to the user device.
Method and system for providing viewing notifications for a set-top box
The disclosed embodiments include a method for providing viewing notifications for a set-top box that includes the steps of: storing usage information associated with a media content received by the set-top box, the usage information containing a length of time that the media content was displayed; determining, using a processor, whether a viewing notification is to be sent to a particular user based on user preferences and the usage information; responsive to a determination that the viewing notification is to be sent to the particular user, retrieving a notification identifier associated with the particular user and sending the viewing notification regarding the usage information; receiving a response to the viewing notification from the particular user, wherein the response includes a partial command that is interpreted based on the viewing notification as a requested command to be performed by the set-top box; and performing, using the processor, the requested command.
Determining game maturity levels and streaming gaming content to selected platforms based on maturity levels
A computer-implemented method includes: receiving, by a computing device, gaming content and an instruction to stream the gaming content across multiple content streaming platforms; determining, by the computing device, a maturity rating of the gaming content; selecting, by the computing device, one or more content streaming platforms, of a plurality of content streaming platforms, for which to provide the gaming content for publishing or streaming via the one or more content streaming platforms, wherein the selected one or more content streaming platforms meet maturity criteria defined by each of the one or more content streaming platforms; and providing, by the computing device, the gaming content to the selected one or more content streaming platforms to cause the selected one or more content streaming platforms to publish the gaming content.
Method and apparatus for processing requests for recording content
A method and apparatus are disclosed for processing content recording requests. The method includes producing a prioritized set of recording requests from all pending recording requests, analyzing the prioritized set of requests with respect to available resources, and producing a list of content requests to be excluded from a recording schedule due to resource constraints. Content recording is performed based on results of the analysis.
Systems, methods, and media for inhibiting the presentation of spoiler content based on requested content
Systems, methods, and media for inhibiting the presentation of spoiler content based on requested content are provided. In some embodiments, a method for content management is provided, the method comprising: determining a channel that has been selected for presenting content to a user; identifying the content presented on the channel as requested content based on a comparison of first metadata associated with the content and second metadata associated with recorded content on a storage device; determining that the requested content contains spoiler content based on one or more criterion, wherein the one or more criterion include (i) determining that the first metadata associated with the content includes episode data or airing data; (ii) determining that the first metadata associated with the content indicates that the content belongs to a non-excluded content category; or (iii) determining, for the recorded content not viewed to completion, that the second metadata associated with the recorded content indicates an earlier occurrence than the first metadata associated with the requested program; and, in response to determining that a plurality of the one or more criterion have been met, selecting an alternate channel for presentation.
Customer premise equipment (CPE) and set top box quality control test system providing scalability and performance
Disclosed herein are a machine architecture implementing a staging automation process, including features such as multiple IR transmitters and composite video inputs for automated high volume quality testing. Diagnostic display outputs from a unit under test are input to OCR and video quality algorithms to validate that the units under test are ready for a functional test process at the next stage.
Source identification for unauthorized copies of content
Systems and methods for authentication generate keys from secret credentials shared between authenticating parties and authenticators. Generation of the keys may involve utilizing specialized information in the form of parameters that are used to specialize keys. Keys and/or information derived from keys held by multiple authorities may be used to generate other keys such that signatures requiring such keys and/or information can be verified without access to the keys. Keys may also be derived to form a hierarchy of keys that are distributed such that a key holder's ability to decrypt data depends on the key's position in the hierarchy relative to the position of a key used to encrypt the data. Key hierarchies may also be used to distribute key sets to content processing devices to enable the devices to decrypt content such that sources or potential sources of unauthorized content are identifiable from the decrypted content.
System and device for interacting with a remote presentation
The present disclosure relates to sharing images over a network. Images obtained from a second device are presented at a first device, and shared with a plurality of third devices. The third devices are able to obtain and store images from the first device, modify the contents of a presentation, and control the rendering of the presentation. The proposed system allows for instantaneous sharing without the need to set up accounts a-priori, uploading only the images that are requested for sharing, and does not require invitations or privacy settings.
Presentation of a multi-frame segment of video content
In embodiments, apparatuses, methods and storage media are described that are associated with presentation of video data during pause. In embodiments, upon receipt of a pause command, a video presentation engine may repeatedly present a multi-frame segment of video content until a resume command is received. In embodiments, the multi-frame segment may begin at a point when the pause command is received or at an earlier point. Sound may be selectively played, in embodiments, along with the multi-frame segment. Other embodiments may be described and claimed.
Systems and methods for dynamic stitching of advertisements
A method comprises receiving an unmarked content item comprising stream-enabled video segments, one or more segments including sequential black frames; identifying insertion point(s) for the segments based on location of black frame(s) without requiring user input; discarding segment(s) that do not include black frames; removing black frames from the segments; generating a playlist comprising a first source location associated with segments that do not include black frames, a second source location associated with segments having removed black frames, and a third source location associated with an ad provider system; providing the playlist to the consumer system to allow the consumer system to stream segments that do not include black frames from the first source location, second stream segments having removed black frames from the second source location until a corresponding insertion point is reached, and third stream ad(s) from the third source location when the corresponding insertion point is reached.
Method, electronic device, system, computer program product and circuit assembly for reducing error in video coding
A method, electronic device, computer program product, system and circuit assembly are provided for allocating one or more redundant pictures by taking into consideration the information content of the primary pictures, with which the redundant pictures would be associated. In particular, primary pictures that are determined to be more sensitive to transmission loss or corruption may be allocated one or more redundant pictures, while those that are less sensitive may not be so allocated. By selectively allocating redundant pictures to only those primary pictures that are more sensitive, the method disclosed reduces the amount of overhead associated with redundant pictures and increases the coding efficiency, without sacrificing the integrity of the video data.
Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
A dependency indication is signaled within the beginning of a packet, that is, within the adjacent of a slice header to be parsed or a parameter set. This is achieved, for example, by including the dependency indication at the beginning of the slice header, preferably after a syntax element identifying the parameter set and before the slice address, by including the dependency indication before the slice address, by providing the dependency indication to a NALU header using a separate message, or by using a special NALU type for NALUs carrying dependent slices.
Moving picture decoding device, moving picture decoding method, and moving picture decoding program
A prediction information deriving unit derives the inter-prediction information candidates from inter-prediction information of a prediction block neighboring to a coding target prediction block or a prediction block present at the same position as or near the coding target prediction block in a coded picture at a temporally different position from the coding target prediction block. A candidate supplementing unit supplements inter-prediction information candidates having the same prediction mode, reference index, and motion vector until the number of inter-prediction information candidates reaches the designated number of candidates when the number of inter-prediction information candidates is smaller than the designated number of candidates.
Moving picture coding method, moving picture coding apparatus, moving picture decoding method, moving picture decoding apparatus and moving picture coding and decoding apparatus
By the moving picture coding method and the moving picture decoding method, it is possible to improve coding efficiency. The moving picture coding apparatus includes a merge block candidate calculation unit that (i) specifies merge block candidates at merge mode, by using colpic information such as motion vectors and reference picture index values of neighbor blocks of a current block to be coded and a motion vector and the like of a collocated block of the current block which are stored in a colPic memory, and (ii) generates a combined merge block by using the merge block candidates.
System and method for transcoding data
A method for transcoding data comprises receiving an input stream of data formatted according to a USB standard, the input stream is partitioned into a sequence of blocks having a fixed length. At least one input block of the input stream comprises one or more data symbols and one or more control symbols, the one or more control symbols include one or more general control symbols. The method also includes transcoding the at least one input block to generate at least one output block comprising a synchronization block and a control/data block. The control/data block comprises the one or more data symbols of the at least one input block, a representation of the one or more general control symbols of the at least one input block, and a plurality of indicators indicating locations of the one or more data symbols and control symbols in the at least one input block.
Layered decomposition of chroma components in EDR video coding
An encoder receives one or more input pictures of enhanced dynamic range (EDR) to be encoded in a coded bit stream comprising a base layer and one or more enhancement layers. To encode the chroma pixels, the encoder generates a luma mask and a corresponding chroma mask. Based on generated high-clipping and low-clipping thresholds, the encoder determines the appropriate parameters to encode the chroma values in the base and enhancement layers.
Autogressive pixel prediction in the neighborhood of image borders
For each array of pixels, an autoregressive pixel-prediction method is performed based on a weighted sum of reconstructed pixel values of reconstructed pixels in a specific neighborhood region adjacent to the current pixel to be coded. For determining the weights, the pixel values in a specific training region adjacent to the current pixel are taken into account. The coding method is characterized by an appropriate determination of the specific neighborhood region and the specific training region in case that reconstructed pixel values do not exist for all pixels in the neighborhood region and the training region. In such a case, the number of pixels in the neighborhood region is reduced to a number of reconstructed pixels until the ratio between the number of pixels in the training region and the number of pixels in the neighborhood region exceeds a predetermined threshold.
Picture coding device, picture coding method, and picture coding program, and picture decoding device, picture decoding method, and picture decoding program
In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller and a calculation encoder code significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are zero. A significant coefficient information coding controller and the calculation encoder code significant differential coefficient information that represents whether or not the value of the differential coefficient is zero. A differential coefficient value coding controller and the calculation encoder code the value of the differential coefficient.
Encoding device, decoding device, encoding method, and decoding method
According to an embodiment, an encoding device includes an index setting unit and an encoding unit. The index setting unit generates a common index in which reference indices of one or more reference images included in a first index and a second index are sorted in a combination so as not to include a same reference image in accordance with a predetermined scanning order. The first index representing a combination of the one or more reference images referred to by a first reference image. The second index representing a combination of the one or more reference images referred to by a second reference image. The encoding unit encodes the common index.
Image processing apparatus and method
Provided is an image processing apparatus which includes a setting unit assigning a control block, which is a control unit of a filter process that is locally performed with respect to an image, to an initial position of the image determined based on a predetermined reference point; a movement unit moving the control block, which has been assigned to the initial position of the image by the setting unit, up to a position in which the result of the filter process is improved; and a filter processing unit performing the filter process for the respective control blocks which has been moved by the movement unit.
Video conversion method and apparatus
The present invention discloses a video conversion method and apparatus, relates to digital media technologies. A video source is received and compression distortion quality of the video source is acquired. A transcoding policy corresponding to the compression distortion quality of the video source is acquired according to the compression distortion quality of the video source. It is determining, according to the transcoding policy, whether the video source requires transcoding. Transcoding parameters are generated according to the transcoding policy if the video source requires transcoding. The transcoding policy includes target video quality and the transcoding parameters include a target resolution, a target frame rate, and a target bit rate. The video source is converted according to the target resolution, the target frame rate, and the target bit rate, and generating a transcoded video.
Random access point (RAP) formation using intra refreshing technique in video coding
A random access point is generated in a stream of coded digital pictures containing a plurality of predictive coded frames that have two or more predictive coded frames in which one or more subsections of each of the two or more predictive coded frames are intra coded. Information is added to a stream of digital pictures that identifies for a decoder which of two or more predictive-coded frames in the stream have intra-coded subsections at different portions that can be combined to form a patch frame.
Method and apparatus for derivation of motion vector predictor candidate set
A method and apparatus for deriving a motion vector predictor (MVP) candidate set for a block are disclosed. Embodiments according to the present invention generate a complete full MVP candidate set based on the redundancy-removed MVP candidate set if one or more redundant MVP candidates exist. In one embodiment, the method generates the complete full MVP candidate set by adding replacement MVP candidates to the redundancy-removed MVP candidate set and a value corresponding to a non-redundant MVP is assigned to each replacement MVP candidate. In another embodiment, the method generates the complete full MVP candidate set by adding replacement MVP candidates to the redundancy-removed MVP candidate set and a value is as signed to each replacement MVP candidate according to a rule. The procedure of assigning value, checking redundancy, removing redundant MVP candidate are repeated until the MVP candidate set is complete and full.
Method and apparatus for improved in-loop filtering
Video decoding and encoding with in-loop processing of reconstructed video are disclosed. At the decoder side, a flag is received from the video bitstream and according to the flag, information associated with in-loop filter parameters is received either from a data payload in the video bitstream to be shared by two or more coding blocks or individual coding block data in the video bitstream. At the encoder side, information associated with the in-loop filter parameters is incorporated either in a data payload in a video bitstream to be shared by two or more coding blocks or interleaved with individual coding block data in the video bitstream according to a flag. The data payload in the video bitstream is in a picture level, Adaptation Parameter Set (APS), or a slice header.
Method and apparatus for image capturing and simultaneous depth extraction
A system for image capturing and depth extraction includes a camera and a data processor. The camera includes: a spectrum coded aperture including at least two regions that pass spectrum channels of an incident light field which are different from each other; and a sensor configured to record the at least two spectrum channels to form an image captured in a sensor basis. The data processor is configured to convert the image captured in the sensor basis into an image of a processing basis, extract a disparity from the image of the processing basis, and convert the disparity into depth information.
Stereoscopic camera apparatus
Embodiments of an apparatus for acquiring, storing, transmitting and displaying stereoscopic images are disclosed. Some of the benefits of embodiments of this apparatus include simultaneous left/right view acquisition, transmitting and displaying images from a stereoscopic camera, stereoscopic digital zooming wherein a subset of pixels is displayed, pan-tilt-zooming of the apparatus, and interactive adjustment of images. Embodiments of the disclosed apparatus are capable of producing real-time, stereoscopic image data from various illumination wavelengths, coupling to other optical instruments, changing sensor exposure parameters, storing a stereoscopic single data stream, and selectively adding a filter component.
Display device and video transmission device, method, program, and integrated circuit for displaying text or graphics positioned over 3D video at varying depths/degrees
A transmission device transmits data for causing a video display device to display, in a display area, a video made up of a 3D video and a superposed display object, the transmission device comprising: a division information generator generating division information indicating a range for each of two or more regions into which the display area is divided by at least one boundary line that is horizontal; an offset information configurator generating offset information in accordance with a 3D video depth in one of the regions, the offset information indicating a region depth for 3D display of the display object in the region, and a different piece of the offset information being generated for each region; a stream generator generating a transport stream that includes the division information, the offset information, and 3D video data for displaying the 3D video; and a stream transmitter transmitting the transport stream.
Audio signal level estimation in cameras
A camera system includes a first microphone, a second microphone, and a microphone controller. The first microphone and the second microphone are configured to capture audio over a time interval to produce a first captured audio signal and a second captured audio signal, respectively. The second captured audio signal is dampened relative to the first captured audio signal by a dampening factor. The microphone controller is configured to store the first captured audio signal in response to a determination that the first captured audio signal does not clip. In response to a determination that the first captured audio signal clips, the microphone controller is configured to identify a gain between the first captured audio signal and the second captured audio signal representative of the dampening factor, amplify the second captured audio signal based on the identified gain, and store the amplified second captured audio signal.
On-vehicle image capture device
Provided is an on-vehicle imaging device installed onboard a vehicle, and equipped with: an imaging unit for capturing an image of a subject, and having sensitivity to at least to the entire visible light spectrum of the red range (R), the green range (G), and the blue range (B), and to the infrared range (Cir); a signal processing unit for carrying out signal processing on video signals of at least a plurality of different bandwidths from a video image captured by the imaging unit; a pixel signal distribution processing unit for extracting pixel signal distribution information of one or more signals among video signals processed by the signal processing unit; a white balance processing unit for performing signal processing using a predetermined gain, so as to bring a video signal to a desired value; and a system control unit for performing control of the white balance processing unit and control of assessment area information for the purpose of extraction of pixel signal distribution information by the pixel signal distribution processing unit. In accordance with the pixel signal distribution information extracted by the pixel signal distribution processing unit, the system control unit performs control to set the gain of the white balance processing unit to a predetermined value.
System and method for aligning stacked projectors
A system and method for aligning stacked projectors is provided. A computing device is in communication with at least two projectors, configured to project images stacked onto each other, and at least one sensor configured to acquire respective images the projector images. Respective initial positions in a common space are determined of each of the projector images, from the sensor images, as well as a virtual projector image located at a common target position. Respective transforms for each of the projector images to one or more of shift and transform the projector images to the common target position of the virtual projector image. The respective transforms are applied to further first projector images to produce respective transformed projector images. The projectors are controlled to project the respective transformed projector images according to the common target position.
Method and device for controlling projection of wearable apparatus, and wearable apparatus
A method and a device for controlling projection of a wearable apparatus, and a wearable apparatus are provided. With the projection method, a 3D profile of the object as projection screen is acquired by a 3D acquisition device disposed on the wearable apparatus; coordinates of vertices of the projection area on the object as projection screen are determined according to the acquired 3D profile of the object as projection screen; a projection plane is determined according to the determined coordinates of vertices; and the projection is controlled according to the angle between the projection plane and the center line of the projection view angle of the projection component, the distance between the geometrical center of the projection plane and the projection component and the 3D profile of the object as projection screen such that the projection picture projected by the projection component is clearly and steadily projection displayed in the projection area on the object as projection screen.
Second screen device and system
A second screen system comprises a first screen that renders a first content comprising watermarks of a first type and watermarks of a second type. The watermarks of the first type are captured by a second screen that reacts to these watermarks. The second screen displays information to a user and receives user input. The second screen also watermarks a second content with watermarks of the second type and renders the second content. A third device captures watermarks of the second type in both the first content and the second content. Since the watermarks embedded by the second screen can depend on the user's actions, the third device can indirectly react to the user's actions.
Method of and system for mobile surveillance and event recording
A data-coding system includes a source of unencoded data, and a first encoder interoperably coupled to the source, wherein the first encoder is adapted to receive the unencoded data, encode the unencoded data, and output encoded data at a first data rate. The data encoding system further includes a second encoder interoperably coupled to the source, wherein the second encoder is adapted to receive the unencoded data, encode the unencoded data, and output encoded data at a second data rate in which the second data rate exceeds the first data rate. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
System and method for display device configuration
The present disclosure relates to electronic devices, processes and systems for configuration of a display device. In one embodiment, a method for configuring operation of a display device includes receiving a configuration change from a control device, wherein the configuration change includes one or more changes for presentation of a overlay element for the display device and configuring settings for presentation of a overlay element, wherein the configuration change corresponds to a release of one or more features previously included and inaccessible to settings for presentation of the overlay element by the display device. The method also includes presenting an overlay element based on the configuring, wherein the overlay element is presented by the display device as an overlay to displayed image content. Overlay elements can include a navigation bar, an animation, a poster display, sticker display, and an application home screen.
Interconnecting system, video signal transmitter and video signal receiver for transmitting an N-symbol data signal
The present application relates to an interconnect system for transmitting a stream of N-symbol data signals, which comprises a parallel data signal line bus, a line scrambler, a line de-scrambler and a defect detector. The defect detector is configured to detect one or more defective data signal lines. The line scrambler 110 is configured to accept an N-symbol data signal d having a sequence of data symbols in a predefined order and to output a permuted sequence d′ of data symbols at its N output terminals oj. The line de-scrambler is configured to accept the permuted sequence d′ of data symbols at its input terminal i′j, to restore the predefined order of the data symbols from the permuted sequence d′ of data symbols; and to output the restored N-symbol data signal d comprising a sequence of data symbols in the predefined order.
Image pickup element and image pickup apparatus
In an image pickup element, a plurality of unit pixels constituted by one micro lens and a photodiode arranged underneath the micro lens are arranged in rows and columns. The image pickup element includes first unit pixels in which a plurality of photodiodes are arranged underneath one micro lens, second unit pixels different from the first unit pixels, m first output lines per column from which signals of the first unit pixels are output, and n second output lines per column from which signals of the second unit pixels are output.
Image pickup apparatus that detects flash band and control method therefor
An image pickup apparatus which is capable of detecting a flash band with high accuracy even when no flash light is falling on a part of an image. The image pickup apparatus detects a band-shaped luminance step appearing in a plurality of frame images, which are obtained through image pickup by an image pickup unit, in a video comprised of the plurality of frame images. A detection area, which is for use in detecting the luminance step, is set in a part of the frame image according to a subject included in the frame image. Luminance data is obtained on a line-by-line basis in the detection area, and based on a difference in luminance data between corresponding lines in the frame images, the luminance step is detected.
Systems and methods for illumination and observation
An aerial surveillance and reconnaissance system includes a gimbal-stabilized ISR imaging sensor with 0.8-1.2 microradian optical resolution, using pulsed ultraviolet laser (0.330-0.380 micrometer wavelength) radiation to illuminate the observed target, and a narrow-band-pass filter at the focal plane detector to remove light at frequencies other than the illuminating frequency. Preferred sensors can be operated in a snapshot mode using intermittent illuminating pulses, with timing of the pulses selected for minimum detectability based on observations made with a lower-resolution sensor, or in a video-mode with illuminating pulses selected to generate full-motion video at operator-selectable frame rates. Some sensor embodiments may further combine the UV system described above with conventional daylight optical and sensor systems, though alternative arrangements could also include an IR sensor as well (either using a common aperture with the UV system or with a separate set of light-gathering optics).
Vehicle vision system with light baffling system
A vehicle vision system includes a bracket, a stray light shield and a camera module. The bracket is configured to attach at an in-cabin surface of a vehicle windshield. The light shield includes a base portion and side walls that extend upward from the base portion so as to establish a pocket. The camera module includes a camera having an image sensor array and a lens, and the camera module is configured to mount at the bracket. The stray light shield, when the camera module is mounted at the bracket attached at the windshield, shields the image sensor array from light emanating from within the cabin of the vehicle. At least the base portion of the stray light shield comprises light traps structurally established thereat and configured to reduce incidence of extraneous light at the image sensor array.
Imaging apparatus, control method, and storage medium storing program
The present invention is provided to maintain a photographable display state so as not to miss a photo opportunity when a photographer performs preparation work before shooting or confirmation work after shooting, and also smoothly switch to a display state in which the photographer can perform the confirmation work after shooting whenever necessary. A live view image is displayed on a first display screen when an eye contact state is detected at the eyepiece viewfinder, and a captured image is displayed on a second display screen when a non-eye-contact state is detected after receiving an image shooting instruction. When the eye contact state is not detected within a first period from detecting the non-eye-contact state, displaying the live view image on the first display screen is stopped. The live view image is displayed on the first display screen during the first period after detecting the non-eye-contact state.
Photographing apparatus and method of controlling the same
A photographing device may reduce additional consumption of memory capacity and power and capture high resolution images. A method of controlling the photographing device includes storing first resolution input images acquired from live view images in a buffer; storing, according to an input of a time point, a second resolution input image acquired at the time point from the live view images in the buffer; and generating a result image based on the second resolution input image when the second resolution input image, which is stored within a threshold time from a photography command reception time point, is found in the buffer, and generating at least one of the stored first resolution image images as the result image when the second resolution input image, which is stored within the threshold time from the photography command reception time point, is not found in the buffer.
Image processing for wide dynamic range (WDR) sensor data
A signal processing chain implements wide dynamic range (WDR) multi-frame processing including receiving raw image signals from a WDR sensor including a plurality of frames including a first frame including first exposure time pixel data and a second frame including second exposure time pixel data. Statistics for camera control are generated including first statistics for the first pixel data and second statistics for the second pixel data. The first and second pixel data are merged using WDR merge algorithm in a WDR merge block which utilizes the first and second statistics to generate a raw higher bit width single frame image. The single frame image is post-processed in post-processing block using at least a defect pixel correction algorithm, and at least a portion of tone mapping is performed on the single frame image after the post-processing to provide an output toned mapped image.
Movable user interface shutter button for camera
An electronic device having a camera and a touch-sensitive display supports methods for capturing an image using a movable shutter button thereon. The electronic device executes a camera application that may have a single movable displayed on the touch sensitive display, or two shutter buttons, one of which is fixed and one of which is movable. Where two shutter buttons are used, the second button may be present when the camera application is executed, or may be created in response to the user inputting a gesture to move the first shutter button.
A camera module including a PCB mounted with an image sensor; a holder member disposed at the PCB; a lens module coupled to the holder member; an actuator disposed at an upper surface of the lens module; and an electronic circuit pattern extending along an outer surface of the holder member. Further, a first end of the electronic circuit pattern is electrically connected to the PCB, and a second end of the electronic circuit pattern is electrically connected to the actuator.
Image formation apparatus forming a test pattern image
An image formation apparatus includes: a storage which stores a test pattern; and image formation sections which form an image of the test pattern on a medium. The image of the test pattern includes divided images formed by being divided into regions in a main scanning direction and a sub-scanning direction. Each of the divided images is formed by at least one preset image formation section out of the image formation sections. A total width, in each of the main scanning direction and the sub-scanning direction, of the divided images formed by each of the image formation sections is larger than the entirety of a corresponding width of the image of the test pattern.
Apparatus and computer program product controlling printer color calibration using color chart history information
Provided are a print control apparatus and a non-transitory computer-readable storage medium storing a color calibration control program. A print control apparatus includes an information storage processing section which stores measured color values into a database which stores history information of color measurement, where the measured color values are obtained by measuring colors in a color chart by using a printing device. The print control apparatus further includes a color defining section which defines a specific color by referring to the database, and a color calibration controlling section which, while the printing device is processing a print job, causes the printing device to measure the specific color, determines whether to calibrate the printing device on the basis of a change with time in the measured color value of the specific color, and calibrates the printing device according to the determination result.
Adaptive facsimile redundancy
Forward error correction is implemented in a facsimile transmission using adaptive redundancy. The depth of redundancy can change based on a number of factors, including lost packet counts, transport type, facsimile modulation type, call history or facsimile engine state changes. Separate redundancy depths can be implemented for image and for control phases of the facsimile call. Redundancy depth can be increased or decreased during a facsimile call, and may be maintained at an increased level once encountered transmission impediments are overcome. Variable redundancy can be provided for specific portions of the call, such as temporarily increased redundancy during control phases. Adaptive redundancy may be implemented at one or more endpoints or nodes in a packet-switched communication network through which the facsimile call passes. The adaptive redundancy contributes to improving successful facsimile call completion in communication networks that may be prone to error losses.
Web content display system, image forming apparatus, web page providing method, and computer program
An image forming apparatus that is remotely accessed from a terminal apparatus includes: a display; a display control unit configured to control display of the display and to transmit image data of an image to the terminal apparatus in order to display the image to be displayed on the display, onto the terminal apparatus; an attribute information acquisition unit configured to obtain first attribute information related to an attribute of the terminal apparatus; a web content acquisition unit configured to obtain web content by issuing a notification of second attribute information related to an attribute of the image forming apparatus to a server in a case where remote access is not being executed, and by issuing a notification of the first attribute information to the server in a case where remote access is being executed; and a browser unit configured to generate an image based on the obtained web content.
Apparatus, system and method for implementing switch-over control
An image processing device and method of controlling an image processing device to be in communication with one of a plurality of external printer controllers is provided. The method includes monitoring, at initiation of the image processing device, a communication address assigned to the image processing device to detect whether a current communication address is different from a previously assigned communication address and acquiring, from memory, a configuration data object associated with the current communication address in response to detecting that the current communication address is different from the previously assigned communication address. The configuration data object being associated with the current communication address and includes one or more parameters for controlling one or more operations of the image processing device. The image processing device is automatically configured the image processing device using the one or more parameters acquired from the configuration data object.
Image processing apparatus, communication apparatus, image processing system, and image processing method
An image processing apparatus includes a communication unit and a controller. The communication unit receives first identification information via wireless communication from a terminal that has received the first identification information. The first identification information indicates a first storage location for image information in another apparatus. A controller transmits the image information to the first storage location indicated by the first identification information in a case where the communication unit has received the first identification information from the terminal.
A network node, computer program product and method establishing a call between a caller and a callee over a network. Multiple versions of a call invite are sent for establishing the call between a caller client of the caller and one or more callee clients implemented at one or more callee terminals of the callee. The multiple versions of the call invite are sent over a plurality of different delivery mechanisms. One of the delivery mechanisms comprises a push notification on a push channel.
Personalized interactive voice response system
An interactive voice response method permits an intelligent interactive voice system to communicate with a caller. The method includes determining that a caller is a first time caller, interactively communicating with the first time caller, and routing a call to a particular destination based upon information received from the caller. The method also includes establishing a caller personal profile based on the information received from the first time caller, developing a predictive personalized interactive communication dialog for a repeat call by the first time caller, and storing the caller personal profile and the predictive personalized interactive communication dialog. The method further includes updating the predictive personalized interactive communication dialog based on information obtained by the repeat call by the first time caller.
Call queuing for location-aware mobile devices
A mobile device can be assigned to an extension configured as a Queue Agent (“QA”) in a call-queuing enabled virtual private branch exchange (vPBX). This and other mobile or fixed devices can be interconnected to form a virtual call center. Each extension can be assigned various rules, which specify how the incoming calls are answered at the extension and how calls in the call queue are selected for answering by the QA. As part of the rules, the vPBX system forwards calls from a call queue to the QA based on QA's availability status. If a location-aware mobile device is associated with the QA, the vPBX system can determine the QA's availability status based on a geographic location of the mobile device. A most geographically proximate agent can be selected for answering the call.
Managing a multi-user communication based on the topical expertise of one or more users
A method and a computer program product for causing a processor to perform the method, where the method includes identifying a plurality of users participating in a multi-user communication, determining a topic of the multi-user communication, obtaining a topical expertise level relative to the topic for each of the identified users, ranking each user participating in the multi-user communication according to the topical expertise level for each user, and modifying, for one or more of the users, at least one parameter of participation in the multi-user communication according to the topical expertise rank of the one or more users.
Voice and speech recognition for call center feedback and quality assurance
A computer-implemented method for providing an objective evaluation to a customer service representative regarding his performance during an interaction with a customer may include receiving a digitized data stream corresponding to a spoken conversation between a customer and a representative; converting the data stream to a text stream; generating a representative transcript that includes the words from the text stream that are spoken by the representative; comparing the representative transcript with a plurality of positive words and a plurality of negative words; and generating a score that varies according to the occurrence of each word spoken by the representative that matches one of the positive words, and/or the occurrence of each word spoken by the representative that matches one of the negative words. Tone of voice, as well as response time, during the interaction may also be monitored and analyzed to adjust the score, or generate a separate score.
System and methods to enable efficient and interactive management of communications
Disclosed are a system and methods to enable the interactive management of incoming and outgoing communications in an automated or manual fashion.
Methods, systems, and products for processing communications
Methods, systems, and products provide called party identification to a calling party. A communication is processed from a calling communications address to one of a plurality of communications addresses associated with a simultaneous ring. When an answer is detected at one of the plurality of communications addresses, an answering communications address is sent to the calling communications address.
Detecting conference call performance issue from aberrant behavior
In a conference call having a plurality of participants interacting in a conference exchange of information in a digital transmission environment, the interaction being across a variable network transmission resource, a method of allocating the level of transmission resource, the methods including the steps of: (a) monitoring predetermined aspects of the participant's behavior during the conference call; (b) determining a divergence of participants behavior from normative values; (c) utilizing any divergence as an indicator of aberrant operation of the participants; and (d) allocating the resource determinative on the divergence of participants behavior from normative values.
Methods and systems for management of video and ring tones among mobile devices
Provided herein are methods and systems for a sender-controlled contact media content type that can be sent among mobile devices, including addressing the contacts systems and methods of such devices to provide rich interactions among users upon the occurrence of contact events.
Microphone holding structure and electronic device
A holding structure for holding a microphone includes a chassis configured to be separated into at least a first chassis and a second chassis; an elastic member formed of an elastic material, the elastic member including a holding unit configured to hold the microphone and an attachment portion provided in a periphery of the holding unit; and a retention member configured to retain the attachment portion at a predetermined position of the first chassis. The retention member is fixed to the first chassis by the second chassis in a state where the second chassis is attached to the first chassis.
Cellular phone in a body of a home/office telephone
This invention is a telephone station for placement in the home or work environment which can send and receive telephone calls over CDMA & GSM communication bands and direct link satellite communication such as Iridium, Globalstar and other similar systems. By using both antennas inside the cellular handset and a CPU/Switching Hardware with a 3 channel switching device this product can work on every cellular market on earth. A cellular signal range extender is included to improve signal strength for areas with poor coverage. In addition, the inclusion of an internet router built-in to the base station will permit this device to connect to internet telephony services. To extend the functionality of this phone; we can embed a WiFi wireless internet.
Wireless communication apparatus and processing method thereby
When a wireless network is constructed, a wireless communication apparatus in the wireless network constructed of a plurality of communication apparatuses decides whether to function as a providing source of communication parameters or as a provision destination that receives communication parameters. In a case where it has been decided that this apparatus is to function as the provision destination that receives communication parameters, the apparatus requests authentication when it participates in the wireless network using communication parameters. In a case where it has been decided that this apparatus is to function as the providing source of communication parameters, the apparatus execute authentication processing in response to an authentication request.
USB to coax bridge
A USB-to-coaxial network bridging system and method includes receiving data frames from a USB or FireWire device via a corresponding USB or FireWire communication interface, wherein the received data frames are intended for transmittal to a predetermined remote device on a coaxial network; combining the received data frames into an aggregated frame and addressing the aggregated frame to allow the aggregated frame to be routed to the predetermined remote device on the coaxial network; and sending the aggregated frame to the remote device over the coaxial network.
Techniques for automated capture of configuration data for simulation
Described are techniques for processing command requests. A plurality of requests are issued from a client to a server. The server has a current configuration. Each of the plurality of requests requests a portion of current configuration information describing the current configuration of the server. Response are sent from the server to the client. Each response includes a portion of the current configuration information describing the current configuration of the server. A first set of configuration files is determined in accordance with portions of the current configuration information included in the responses. The client services a second plurality of command requests using a simulator by processing the second set of command requests in accordance with a simulation mode and the first set of one or more configuration files.
Socket processing method and device and web server
A method for processing a Socket, an apparatus for processing the Socket and a Web server is provided. The method includes: monitoring a client request of a port of the Web server; according to the monitored client request, registering a Socket event through an asynchronous selection operation; judging whether the Socket event is a READ event and/or a WRITE event, to obtain a judgment result; when the judgment result indicates that the Socket event is a READ event and/or a WRITE event, starting timing; and when the timing reaches a preset threshold and the Web task does not receive a first semaphore sent by a Socket underlying layer, sending a second semaphore to the Web task, to enable the Web task to be activated, and processing a corresponding procedure is processed according to the Socket event; closing the Socket event.
Method and device for transferring messages
A method for transferring a message includes receiving a message passing request. The message passing request includes a message to be passed, first information regarding a source account generating the message to be passed, and second information regarding a target account of the message to be passed. The method also includes determining a message passing path from the source account to the target account according to stored association relationships between user accounts. The message passing path includes at least one relay user account. The method further includes transferring the message to be passed to the target account through the message passing path.
The description relates to opportunity events. One example can filter events based upon at least one parameter from a profile of a user. The filtering can produce potential opportunity events for the user. The example can compare the potential opportunity events to the user profile utilizing a similarity threshold such that the potential opportunity events that satisfy the similarity threshold are considered opportunity events. The example can rank the opportunity events by confidence level of matching the user profile. The example can also automatically populate high ranking individual opportunity events onto a calendar of the user. The example can further notify the user about the automatically populating.
Dynamic cache allocation and network management
A system and method for dynamic caching of content of sites accessed over a network by a user is provided. The system includes a processor, a first storage device for maintaining cache accounts for storing the content of the sites accessed over the network by the user based on activity over the network by the user with the sites, a second storage device for storing statistics, and a non-transitory physical medium. The medium has instructions stored thereon that, when executed by the processor, causes the processor to gather statistics on suitability of the sites for caching based on the network activity, store the caching suitability statistics on the second storage device, and dynamically create, delete, or resize the cache accounts based on the caching suitability statistics.
Methods and apparatuses for providing a desired portion of a data object document
A method for providing a desired portion of a data object document is disclosed. The method comprises receiving, from a client device, an Application Program Interface (API) request for a data object document, where the API request includes a parameter identifying the desired portion of the data object document, and the desired portion is less than all of the data object document. The method continues with transmitting the API request for the data object document to an origin server, and receiving an API response from the origin server that includes the data object document including more than the desired portion of the data object document. The method further includes automatically selecting, from the received data object document, the desired portion of the data object document based on the parameter, and transmitting, to the client device, the desired portion instead of all of the data object document.
Socially augmented browsing of a website
A computer system enables users of an Internet application (such as a web site or a mobile application) to specify that they wish to be members of one or more groups. The computer system provides the user with information about activities performed by other users who are members of the same group as the user. For example, the computer system may inform a user of the web pages currently being viewed and/or recently viewed by other users who are members of the same group(s) as the user. Examples of other information that the computer system may inform the user about include amount of time spent by other users in the same group on particular web pages, content shared by those users, and products purchased by those users. Groups may be created by the users themselves and/or by the administrators of the Internet application.
Multi-level database management system and method for an object tracking service that protects user privacy
An improved system and method for defining an event based upon an object location and a user-defined zone and managing the conveyance of object location event information among computing devices where object location events are defined in terms of a condition based upon a relationship between user-defined zone information and object location information. One or more location information sources are associated with an object to provide the object location information. One or more user-defined zones are defined on a map and one or more object location events are defined. The occurrence of an object location event produces object location event information that is conveyed to users based on user identification codes. Accessibility to object location information, zone information, and object location event information is based upon an object location information access code, a zone information access code, and an object location event information access code, respectively.
Adapter for communication between web applications within a browser
A method, medium, and system to receive a request for the first web resource to access the second web resource; request authorization to access to the second web resource by the first web resource; receive authorization to grant access to the second web resource for the first web resource; transmit an application programming interface (API) call from the first web resource to the second web resource for the first web resource having authorized access to the second web resource; and transmit a reply to the API call from the second web resource to the first web resource.
Pseudonymous communication session generation and management systems and methods
Certain aspects of the present methods and systems may focus on computer implemented methods and systems for managing pseudonymous communication sessions. Such a system may include a data store, including data records corresponding to a plurality of available data communication addresses (“DCAs”), and including a first DCA; a CPU; and memory. The memory may include instructions for causing the CPU to execute a method including: obtaining a pseudonymous communication session (“PCS”) initiation request including a second DCA; removing the first data communication address from said plurality of available data communication addresses and associating the first DCA the second DCA in the data store; providing the first DCA in response to said pseudonymous communication session initiation request; and, in the event of obtaining a data communication from a source DCA directed to the first DCA, creating a PCS between the source DCA and the second DCA.
Multi-level ager rings for tracking session life cycle
A device may determine a session life cycle associated with a communication session. The session life cycle may indicate a time period associated with expiration of the communication session. The device may compare the session life cycle and a threshold value, and may determine that the session life cycle satisfies the threshold value based on comparing the session life cycle and the threshold value. The device may initialize multiple ager rings based on determining that the session life cycle satisfies the threshold value. The multiple ager rings may be used to monitor the expiration of the communication session. The device may monitor the expiration of the communication session using the multiple ager rings.
Computer-implemented methods, computer readable media, and systems for initiating co-use of applications
A system facilitates co-use of an interface by multiple client computer, such as co-browsing of a webpage. A first user computer using an interface transfers a state of the interface to a server, which uses the state to recreate the interface in a virtual client executed by the server. The interface is rendered on a virtual screen and images of the screen are transmitted to the first user computer and one or more second user computers performing co-use with the first user computer. For example, a browser rendering a webpage on a first computer transmits session data and cookies associated with the webpage to a virtual browser executing on a server system. The virtual browser retrieves the webpage and uses the session data and cookies to render the webpage on the virtual screen.
Message processing unit of PLC system
Disclosed is a message processing unit provided in a PLC system including a master and a plurality of slaves. The message processing unit is provided to each of the slaves and includes a first filter configured to receive a message transmitted from the master and to determine whether the message is a broadcast message, a second filter configured to receive the message delivered from the first filter and to determine whether the message is a message-to-be-processed, and a processor configured to process the message he delivered from the first filter or the second filter.
Remote flashing during infusion
A medical device controller operating in conjunction with a medical device determines one or more current versions of executable code associated with one or more processors in a medical device. Medical devices may include infusion pumps, other patient treatment devices as well as vital signs monitors. The medical device controller determines one or more current versions of executable code and configuration information associated with the one or more processors in the medical device. The medical device controller further determines which of the processors in the medical device require updated executable code, and which of the processors in the medical device require updated configuration information. The medical device controller distributes to the medical device as required at least one of the updated executable code and the updated configuration information. The medical device deploys the distributed updates, and activates the updates at a clinically appropriate time.
Managing network attached storage
A method and apparatus for managing network attached storage that includes detecting frequency of access from a client to a data item that is in a first server in the network attached storage, a global namespace of the network attached storage indicating an access address for accessing the data item, the access address including a first address of the data item in the first server; in response to the frequency being higher than a predetermined threshold, copying the data item from the first server to a second server in the network attached storage which is proximate to the client, so as to form a data image; and updating the global namespace so as to add to the access address a second address of the data image in the second server whereby the data access efficiency of the network attached storage can be considerably improved.
Systems and methods for policy based integration to horizontally deployed WAN optimization appliances
The present disclosure presents systems and methods for policy based redirection of network traffic, by an intermediary device, to a horizontally deployed WAN device. An intermediary receives a request from a client to access a server. The request was previously modified by a first WAN device to include information in a first option field of a transport layer. The intermediary may determine, responsive to a redirection policy, to send the request to a second WAN optimization device deployed horizontally from the intermediary, instead of the server. The intermediary transmits the request to the second WAN optimization device, while maintaining the information from the first option field. The intermediary device receives the request including the information in the first option field identifying the first WAN optimization device to the second WAN optimization device. The intermediary receives a modified request from the second WAN device, the modified request determined by the intermediary to be sent to the destination server.
Integration engine for communications between source and target applications
An integration engine is provided for communications between source and target applications. A message is sent from a source application to a target application, by processing a header element to route the message to the target application; transforming a message format of the message to a different message format; storing the message payload using a Claim-Check Enterprise Application Integration (EAI) pattern; and providing the transformed message to the target application. Transport adapters optionally transform a message format of the message to a different message format, such as a message format of the source application being transformed to a message format of the target application. The header element is optionally updated using a channel interceptor to update a next endpoint in a flow based on one or more business rules applied to the message payload. The header element can be processed by a header-based router that routes the message to a next endpoint in a flow. The exemplary integration engine is based on a Spring Integration Framework.
Media enhancement mechanism using embed code
A method to provide additional media objects for data objects containing one or more existing media objects is described. The existing media object is analyzed to determine additional related media available on the network and the data object description is augmented with metadata to identify the additional media in an enhanced data object description. When the enhanced data object is rendered, the metadata facilitates incorporation of additional media objects in the displayed page.
System and method for managing multi-modal communication sessions
A computing system for managing a multi-modal communication session in an enterprise is disclosed. The computing system includes a monitoring module for monitoring activities associated with the multi-modal communication session between a customer and an agent, wherein the customer and the agent communicate over a first communication modality. The system further includes an analysis module for analyzing the activities to initiate communication between the customer and the agent over a second communication modality within the multi-modal communication session, wherein the communication over the second communication modality operates along with the communication over the first communication modality. The system further includes a notification module for generating notifications for notifying information associated with the first communication modality, the second communication modality, or a combination thereof to a supervisor.
Adjusting the display of social media updates to varying degrees of richness based on environmental conditions and importance of the update
A method, system and computer program product for adjusting a display of social media updates to varying degrees of richness. A level of importance for each social media update is identified and assigned to the update. The importance of the social media update can be defined by various aspects, such as topics or people of interest to the user. Furthermore, a current condition of a user's environment (e.g., current workload of the user) is determined. The social media updates are then displayed in a social networking feed with a particular degree of richness at a particular location based on the level of importance of the social media updates, the current condition of the user's environment, and/or the user's interactions with existing updates currently displayed. In this manner, the amount of time required by the user to determine which updates are important to the user is reduced.
Method and apparatus for creating a dynamic history of presentation materials in a multimedia collaboration session
A system comprises client devices that include user interfaces that comprise workspaces that can be used to display a live history of a multimedia collaboration session. The workspaces can be private and can be configured to display information representative of media elements that can be shared within the multimedia collaboration session, but that are only viewable to a participant associated with a particular client device. The private workspaces can be used to preview information before publishing it to other participants or to view a live history of the multimedia collaboration session.
Method for supporting circuit switched interworking
A method includes receiving internet protocol (IP) multimedia core network subsystem (IMS) session content that includes voice call content in IMS domain and multimedia content in IMS domain; translating the voice call content in IMS domain to voice call content in circuit switched (CS) domain; transmitting the voice call content in CS domain to a wireless transmit/receive unit (WTRU) via a CS domain entity and a radio access network (RAN); and transmitting the multimedia content in IMS domain to the WTRU via a PS domain entity and the RAN.
Voice over IP (VoIP) network infrastructure components and method
A voice over Internet protocol communication system and method provides infrastructure components as intermediaries between networks, the components include multi-protocol session controllers and a multi-protocol signaling switch as well as a management system. The session controllers process calls and participate in the calls that flow through it. The session controllers process calls that are either at the edge of the network or at the core of the voice over Internet protocol network. The session controllers associate calls with one another in call peers for incoming calls as ingress call peers and for outgoing calls as egress call peers. A centralized database of call routing policies is provided to the session controllers. The session controllers provide cost management, topology hiding, and inter-working, or conversion, of calls from SIP networks to H.323 networks for both voice and video.
Enhanced IMS services restriction and selection control for mobile devices roaming in foreign networks
A system and method that allows a mobile device to register for IMS services while the mobile device is roaming in a visited telecommunications network is disclosed. The system receives a request for multiple IMS services from a mobile device while the mobile device is roaming in a foreign network. The system uses an identifier of the foreign network and an associated RAT type to query a policy table containing a list of whitelisted IMS services for the foreign network and associated RAT type. The system processes the requested IMS registrations for services that are whitelisted and does not process requested IMS registrations for services that are not on the whitelist.
System and method of lawful access to secure communications
The present disclosure relates to systems and methods for secure communications. In some aspects, a method of signalling an interception time period is described. At least one keying information used by a KMF to regenerate a key is stored. A start_interception message is signaled from an ADMF to a CSCF. A halt_message is signaled from the ADMF to the CSCF.
Sensor based rules for responding to malicious activity
Systems and techniques are provided for creating sensor based rules for detecting and responding to malicious activity. Evidence corresponding to a malicious activity is received. The evidence corresponding to malicious activity is analyzed. Indicators are identified from the evidence. The indicators are extracted from the evidence. It is determined that an action to mitigate or detect a threat needs to be taken based on the indicators and evidence. A sensor to employ the prescribed action is identified. Whether a sensor based rule meets a threshold requirement is validated. A configuration file used to task the sensor based rule to the identified sensor is created. The number of sensor based rule triggers is tracked.
Policy enforcement for compute nodes
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for maintaining, by a policy enforcement system in a first compute node, a plurality of policies and data associating a plurality of user credentials with the plurality of policies. A request is received from a compute process for data from a file system in the first compute node. The request includes user credentials. The request for data is sent to the file system, and the data is received from the file system. Based on the received user credentials and the data associating the plurality of user credentials with the plurality of policies, one or more policies that correspond to the received user credentials is selected from the plurality of policies. The policy enforcement system filters the data from the file system based on the one or more policies, and sends the filtered data to the compute process.
Unified policy over heterogenous device types
A system and method are disclosed for enforcing a normalized set of policy-based behaviors across two or more disparate client devices. The policy definition can be a common description of expected behavior, while a client-side policy engine interprets and implements platform specific details associated with the client. In one embodiment, a client device receives a generic policy definition from a network. The generic policy definition is applicable to disparate device types having different hardware and/or software platforms. A client policy engine can analyze the generic policy definition, compare it to client-side applications or functions and make intelligent decisions on how to apply the policy for the specific client.
Systems and methods for security management of multi-client based distributed storage
There is provided a method of maintaining a security risk level of data objects stored in a distributed system, comprising: estimating a current security risk level of at least one storage unit of each of a plurality of network nodes based on real time monitoring; distributing a plurality of data objects among the at least one storage units of the plurality of network nodes according to the current security risk level such that a minimal security requirement of each data object is complied with; detecting a change in the current security risk level of the at least one storage unit; and creating a new copy of at least one of the data objects for storage on a different network node such that the minimal security requirement of each data object is maintained.
Method and system for automated computer vulnerability tracking
There is provided a method and system for tracking, compiling, and distributing information regarding computer vulnerabilities. The method and system involve identifying computer vulnerabilities and associated information from main internet sources. These computer vulnerabilities are then checked against a number of other secondary sources for additional information. The information from the main and secondary sources are compiled into a database detailing the computer vulnerabilities. The database entries are then converted into computer readable format and distributed via the internet.
Method of and system for processing an unauthorized user access to a resource
There is provided a method of processing a potentially unauthorized user access request. The method is executable on a server. The method comprises: receiving a first session identifier associated with a first communication session associated with a user account; receiving a second session identifier associated with a second communication session associated with the user account; based on user behavior within the first communication session, generating a first user behavior model associated with the first communication session; based on user behavior within the second communication session, generating a second user behavior model associated with the second communication session; responsive to one of the first user behavior model and the second user behavior model being different from a stored authorized user behavior model associated with the user account, restricting user activity within the respective one of the first communication session and the second communication session.
Reversion of system objects affected by a malware
A computerized method of reverting system data affected by a malware. The method comprises monitoring, in run time, a plurality of events of a plurality of processes executed by an operating system (OS) running on a computing device, logging in an event log, in run time, the plurality of events, classifying, in run time, a first process of the plurality of processes as a malware, identifying a set of events of the first process from the plurality of events using the event log, and reverting, in response to the classification, at least one system object hosted in the computing device to remove an effect of the set of events on the OS.
Apparatus and method of displaying network security situation
An apparatus and method of displaying a network security situation is provided. The apparatus includes an extraction unit configured to classify a characteristic factor including IP addresses of a transmission node and a reception node from a traffic flow, a network visualization unit configured to generate a domain circle visualizing each of a transmission domain and a reception domain as a circle shape by mapping the IP addresses of the transmission node and the reception node to points on circumference as one to one, arrange the generated domain circle on an axis, and visualize each of a transmission network area and a reception network area as a sphere shape, a session construction unit configured to a session of the visualized transmission network area and reception network visually, and a display unit configured to display the session which is visually constructed.
A method, system, server processing system and computer readable medium for authenticating a user attempting to access a secure environment is disclosed. In one aspect, the server processing system is configured to: receive an authentication request to authenticate the user attempting to access the secure environment; transfer, to the user or a user device associated with the user, an index corresponding to a selected key from a keymap; receive data indicative of a code which is based on the selected key presented by the user device and a personal identifier, and determine, using the code whether the user is authenticated. Advantageously, the server processing system never stores nor receives data directly indicative of the personal identifier such that no one else is able to determine the personal identifier, not even an employee of the secure environment which the user is attempting to access.
Maintaining a limited user profile for social networking system users unable to establish a user profile
A social networking system maintains a limited user profile associated with a user of the social networking system who does not satisfy one or more criteria for the social networking system to maintain a user profile. The limited user profile includes information describing the user and allows the user to be associated with limited types of interactions with the social networking system. An administrator is associated with the limited user profile and may modify information associated with the limited user profile as well as authorize or deny interactions involving the limited user profile. When the user satisfies criteria for the social networking system maintaining a user profile, the social networking system generates a user profile based on information in the limited user profile and prior interactions involving the limited user profile.
Inactive non-blocking automated agent detection
Online retailers 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 online retailer. 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. Rendering the CAPTCHAs inactive may provide an additional signal which may be sued to update one or more automated agent detection models.
An authentication terminal comprising an authentication apparatus authenticating an authentication subject, an artifact operating in accordance with an input signal and a signal processing section is provided. When an authentication result in the authentication apparatus is passed, the signal processing section inputs an input signal without including information of the authentication subject in the artifact and outputs an output signal in accordance with an operation result of the artifact as the authentication result.
Forward secure one-time authentication tokens with embedded time hints
Forward-secure one-time authentication tokens are provided with embedded time hints. A token generates a passcode for presentation to an authentication server by determining a current state of the token; generating a user authentication passcode based on the current state, wherein the generated user authentication passcode comprises an embedded time hint; and communicating the generated user authentication passcode to the authentication server. The passcode may be generated with the embedded time hint, for example, each time a user authentication passcode is generated or upon demand when a user authentication passcode is generated. A server processes a user authentication passcode by receiving the user authentication passcode, wherein the received user authentication passcode comprises an embedded time hint; and determining a time interval to search for another user authentication passcode based on the embedded time hint.
Systems and methods for path maximum transmission unit discovery
An information handling system is provided. The information handling system includes a plurality of network devices. One of the plurality of network devices is a source device and another of the plurality of network devices is a destination device. If path maximum transmission unit (PMTU) information for a path between the source device and the destination device is not known, the source device sends a PMTU send packet to the destination device, and the destination device sends a PMTU receive packet with a received PMTU value to the source device. Other associated systems and methods for PMTU discovery are also provided.
Continuous authentication confidence module
Generally, this disclosure describes a continuous authentication confidence module. A system may include user device including processor circuitry configured to determine presence data; a confidence factor including at least one of a sensor configured to capture sensor input and a system monitoring module configured to monitor activity of the user device; memory configured to store a confidence score and an operating system; and a continuous authentication confidence module configured to determine the confidence score in response to an initial authentication of a specific user, update the confidence score based, at least in part, an expectation of user presence and/or selected presence data, and notify the operating system that the authentication is no longer valid if the updated confidence score is within a tolerance of a session close threshold; the initial authentication configured to open a session, the confidence score configured to indicate a current strength of authentication during the session.
Secure authentication to provide mobile access to shared network resources
Techniques to perform secure authentication to provide mobile access to shared content are disclosed. In various embodiments, a user credential associated with a request to access content is received at a connector node from a mobile application running on a mobile device. The user credential is used to create at the connector node a secure credential token that includes the user credential. The secure credential token is used to provide to the mobile application on the mobile device, via the connector node, access to content on two or more servers residing on a protected network with which the user credential is associated.
Web-based data and instrument management solution
A data and instrument management and interface system comprises a web server hosted on an intranet network having a wireless range. The web server has a processor, and a non-transitory computer memory coupled with the processor and storing processor executable code. The web server can communicate over the intranet network with a web browser running on a handheld user device located within the wireless range of the intranet network, and with an instrument. The processor executable code causes the processor to: receive a first wireless signal over the intranet network, the first wireless signal transmitted by the web browser and indicative of request for data for the instrument; authenticate the handheld user device and a user of the web browser; and transmit a second wireless signal to the web browser indicative of data for the instrument responsive to the handheld user device and the user being authenticated.
Relationship management system and method of operation thereof
A communication method to publish a user message suitable for one or more vendors. The communication method may be performed by one or more controllers and may include one or more acts of receiving a message from a user station of a user; processing the received message to anonymize the message to conceal an identity of the user; publishing the anonymized message and anonymous link information; receiving a request from a vendor of the one or more vendors for user context information corresponding to the user in response to the published anonymized message; receiving restriction information in accordance with a user persona selected by the user from a plurality of user personas that are each associated with the user; and providing the user context information in accordance with the restriction information.
Translating network address
In a process of establishing a tunnel between a Hub device and a Spoke device, the Hub device in a DVPN obtains a public address and port information of a device in a public network after the public address and the port information are translated through a NAT device. The Hub device transmits the public address and the port information of the Spoke device to a server in the DVPN, so that another Spoke device obtains the public address and the port information to establish a direct tunnel with the Spoke device.
Social network service for semiconductor manufacturing equipment and users
Methods and systems for sharing information related to operational metrics of a plurality of equipment used in manufacturing of semiconductor wafer includes interfacing a server with the equipment to allow the server to receive a plurality of parameters including operational metrics associated with operation of each of the plurality of equipment. The plurality of parameters are processed to identify event-related data, message-related data and to generate human-readable interpretation for the identified event-related data and the message related data. Users are identified for receiving the operational metrics of each of the plurality of equipment. The event-related data, message-related data and the corresponding human-readable interpretation for the operational metrics associated with each of the equipment are forwarded to a social network service for performing a posting operation to social data streams associated with the identified users. The operational metrics received over time from each of the equipment are managed so as to provide timely updates to the respective users on the status of each equipment. The timely updates are provided as additional postings to the respective social data streams of the users.
User recommendations in a social media network
An approach for facilitating handling of a post to an online social network is provided. In the approach, a first post to an online social network is received. A processor identifies keywords associated with the first post. A processor identifies one or more posts similar to the first post based on at least the identified keywords, wherein the identified one or more posts were previously posted to the online social network. A processor determines one or more posts, of the identified one or more posts, that are within a predetermined threshold of similarity to the first post, based on at least a comparison between the identified one or more posts and the first post. A processor determines at least one recommendation of an action to perform in the online social network based at least on actions associated with the determined posts that are within the predetermined threshold of similarity.
Encoding portions of a message
The disclosure is related to encoding a message or portions of the message to be exchanged between a pair of users. Messages can be exchanged between a pair of users in multiple ways, e.g., electronic mail, short messaging service (SMS), messenger applications. The computing resource, e.g., network bandwidth consumed in transmission of the messages, can be minimized by encoding/compressing at least portions of a message prior to transmission. A server analyzes messages exchanged between a pair of users to identify message portions, e.g., a word or a phrase, that are commonly exchanged and generates a set of codes for those message portions. The pair of users can use the set of codes for encoding and/or decoding the messages exchanged between them. The codes are generated using a specified coding technique, e.g., Huffman coding.
Personal communication system for generating and delivering a personalized communication based on a time condition
A computer implemented method and a personal communication system (PCS) for generating and delivering a personalized communication based on a time condition. The PCS configures a preliminary time condition and determines an optimal time condition from the preliminary time condition, a sender configured time condition, and a recipient configured time condition. The PCS detects a sender's attempt to generate and send the personalized communication based on media content received from a sender device. The PCS times the composition of the personalized communication, generates a timing verification report that verifies whether the optimal time condition is met, and performs an action based on the verification. The action includes rendering a notification to the sender device for instructing the sender to continue composing the personalized communication until the optimal time condition is met, or generating and delivering the personalized communication to recipient devices when the optimal time condition is met.
Dynamic filter generation for message management systems
Filtering rules for incoming messages can be dynamically generated by a message management service based on patterns in the user's behavior. The message management service can analyze event records associating user actions with features of messages to detect correlations between message features and resulting actions, including correlations across multiple messaging accounts belonging to the same user. Based on correlations, the message management service can provide a suggested rule to the user's client device, and the user can accept or decline the suggestion.
A technique includes using circuit switches to selectively couple packet switches of a switch assembly to the port connectors of the assembly.
Method and apparatus for dynamically assigning resources of a distributed server infrastructure
A method for dynamically assigning resources of a distributed server infrastructure, the method comprising the steps of comparing an observed relative load of an assigned portion of said distributed server infrastructure with a desired relative load; if said observed relative load exceeds said desired relative load assigning additional resources, and redistributing tasks from said assigned portion to said additional resources; and if said desired relative load exceeds said desired relative load: selecting removable resources, redistributing tasks from said removable resources to other resources in said assigned portion, and removing said removable resources from said assigned portion; wherein said redistributing of tasks is performed in such a way that state information related to said tasks is preserved.
Methods and systems for optimal delivery of internet video over wireless networks
A system and method is provided for controlling multimedia data transmission to a communication device via a network. The system comprises a de-muxer configured to obtain a first multimedia data for transmission and a flow controller configured to evaluate an estimated buffer time associated with the communication device. If the estimated buffer time satisfies a first threshold condition, the flow controller updates a current transmitting state to be a pacing state. And if the estimated buffer time satisfies a second threshold condition, the flow controller updates the current transmitting state to be a bursting state. The system also comprises a muxer configured to transmit the first multimedia data at a transmitting rate corresponding to the bursting state or the pacing state.
Allocating bandwidth between bandwidth zones according to user load
A bandwidth management system includes a plurality of queues respectively corresponding to a plurality of zones. An enqueuing module receives network traffic from one or more incoming network interfaces, determines a belonging zone to which the network traffic belongs, and enqueues the network traffic on a queue corresponding to the belonging zone. A dequeuing module selectively dequeues data from the queues and passes the data to one or more outgoing network interfaces. When dequeuing data from the queues the dequeuing module dequeues an amount of data from a selected queue, and the amount of data dequeued from the selected queue is determined according to user load of a zone to which the selected queue corresponds.
Method, device and system for bidirectional flow on same path in aggregation group
A method, device and system for implementing bidirectional traffic on the same path in an aggregation group are provided, wherein the method includes that a portal of an LAG receives indication information sent by an opposite end of the LAG, wherein the indication information carries port indexes of the opposite end and/or a traffic distribution method of the opposite end; the portal determines port indexes of the portal and/or traffic distribution method of the portal according to the indication information; the portal distributes traffic according to the determined port indexes and/or traffic distribution method The disclosure solves a technical problem in the prior art that port protection cannot be implemented due to the inability to ensure that traffic of the same service can be transmitted on the same aggregation link, thus effectively ensuring that the same service selects the same aggregation link bi-directionally on two ends of an aggregation group and implementing the technical effect of protection on an interconnect port.
Packet I/O support for a logical switch router architecture
A tool for packet transmission and delivery in a distributed system. The tool determines a first level packet classification for one or more packets in the distributed system. The tool determines a second level packet classification for the one or more packets in the distributed system. The tool registers one or more applications included within one or more logical switch routers in the distributed system with a software module to filter the one or more packets in the distributed system.
Prioritized handling of incoming packets by a network interface controller
A network interface controller includes a host interface, which is configured to be coupled to a host processor having a host memory. A network interface is configured to receive data packets from a network, each data packet including a header, which includes header fields, and a payload including data. Packet processing circuitry is configured to process one or more of the header fields and at least a part of the data and to select, responsively at least to the one or more of the header fields, a location in the host memory. The circuitry writes the data to the selected location and upon determining that the processed data satisfies a predefined criterion, asserts an interrupt on the host processor so as to cause the host processor to read the data from the selected location in the host memory.
Network element configured to operate in an information centric network
A method implemented in a network element (NE) configured to operate in an information centric network (ICN), comprising receiving a plurality of test traffic flows, wherein the test traffic flows are copies of a number of traffic flows received in a forwarding plane of the ICN during a defined interval; emulating the ICN at a state determined at an arrival time of the test traffic flows to the NE and defined based on a plurality of active traffic flows in the ICN; measuring a first impact of a plurality of first candidate paths for a first test traffic flow from the test traffic flows in the emulated ICN to the active traffic flows; selecting one of the first candidate paths based on the first impact measurement; measuring a second impact of a plurality of second candidate paths for a second test traffic flow from the test traffic flows in the emulated ICN to active traffic flows and the selected first candidate test path; selecting one of the second candidate paths based on the second impact measurement; and constructing a plurality of forwarding rules based on the state and the candidate paths selections.
System detection and flow control
A non-transitory computer program product with computer readable program code for system detection and flow control. The throughput and response time of the system are acquired, where the throughput reflects the number of requests from outside the system that has been processed by the system. The response time reflects time required by the system to process requests from outside the system. Acquiring throughput and response time includes directly sampling the throughput and the response time of the system; and conducting noise filtering on the sampled throughput and response time. A system performance characteristic parameter based on the filtered throughput and response time is obtained and is used to describe congestion condition of the system to determine whether there is a bottleneck in the system. Detecting a bottleneck and flow control is provided in a simple and effective way to ensure that requests are processed in time.
Routing lookup method and device and method for constructing B-tree structure
Provided are a routing lookup method and device, and a method for constructing a B-Tree structure, wherein the device includes a routing lookup algorithm software component, a routing update interface component and a routing lookup hardware component, the routing lookup algorithm software component is configured to execute software calculation for a routing entry and issue an entry update instruction, the routing update interface component is configured to control, after receiving the entry update instruction issued by the routing lookup algorithm software component, a data stream of the routing lookup hardware component according to an actual working state of the routing lookup hardware component, and write an updated entry into a memory of the routing lookup hardware component, and the routing lookup hardware component is configured to respond to a routing lookup request of a hardware system, and return a lookup result matched with a longest prefix to the hardware system.
System and method of active/standby protection for user-side multicast services and routing device
The present invention relates to a routing device. The routing device and at least one second routing device are both connected to a convergence device. The routing device is an active device and includes a user information synchronizing backup module configured to synchronize multicast service user information to the at least one second routing device in real time through the convergence device. In the present invention, an active routing device and a standby routing device are configured on the user-side, and user information is synchronized to the standby routing device in real time. Therefore, upon active/standby switching, user identification and authentication are not affected, whereby the validity of user traffic and channel is ensured. Furthermore, economic benefits of an operator are guaranteed. Moreover, with the present invention, switching speed is accelerated, service continuity is ensured, and Quality of Experience of a user is improved.
Content delivery network routing method, system and user terminal
The present invention provides a content delivery network routing method, system, and user terminal. The method includes: receiving, by a CDN routing device, a first service request sent by a user terminal, where the first service request carries a first uniform resource locator URL and a domain name; returning, by the CDN routing device, a redirection response message to the user terminal, where the redirection response message carries a second URL, and the domain name; and receiving, by the cache node, a second service request sent by the user terminal, and returning a header field indication to the user terminal. Therefore, when the user terminal accesses content accelerated by a CDN, the user terminal can obtain cookie information corresponding to a domain name, which is advantageous to network-side authentication and user login information management.
Multicasting a data message in a multi-site network
According to an example, in a method for multicasting a data message by an apparatus in a multi-site network (MSN), a multicast data message that is to be communicated to another apparatus over the MSN network may be received, in which the apparatus includes a MSN-link port through which data messages are to be communicated to the another apparatus. In addition, a determination may be made that the received multicast data message is to be communicated to the another apparatus through the MSN-link port. The received multicast data message may be replicated and the replicated multicast data message may be encapsulated into a MSN message. Moreover; the MSN message encapsulating the replicated multicast data message may be tunneled to the another apparatus over the MSN-link port.
Computing service chain-aware paths
A method implemented by a path computation element (PCE), comprising receiving a path computation request to compute a network path for a source-destination pair in a service chain (SC) network, wherein the path computation request comprises at least one network routing constraint and a service function (SF) input associated with a plurality of SFs, computing a plurality of network paths through the network for the source-destination pair according to the network routing constraint, selecting at least a first of the network paths according to the SF input, and sending a path computation response indicating at least the first network path in response to the received path computation request.
Method and device for registering multicast source and establishing multicast path
A method and device for registering a multicast source and establishing a multicast path are disclosed. The method includes: after receiving a multicast message of a multicast source, a designated router DR to which the multicast source belongs encapsulating a multicast header for the multicast message, wherein a target address of the multicast header is a multicast address, and a source address of the multicast header is a proxy care-of address of the multicast source; and after encapsulating the multicast header for the multicast message, encapsulating the multicast message as a registration message to send to a rendezvous point. In the embodiments of the present document, with the proxy care-of address of the multicast source in a PMIPv6 domain, and by the provided method for establishing the multicast path, the multicast routing efficiency and the multicast performance can be improved.
System and method for automated generation of web decoding templates
Methods and systems for decoding communication protocols having an unknown structure. In the disclosed embodiments, a decoding system analyzes network traffic that uses such a communication protocol, and semi-automatically generates a structured template for decoding the protocol. In an example embodiment, the traffic comprises HTTP transactions used in some unknown variant of a Web-based e-mail or social network application, and the system generates an Extensible Markup Language (XML) template for parsing such transactions. The system enables an analyst to review sample transactions, and identify target components of the protocol that contain target information of interest. The system typically generates a set of rules with the assistance of the analyst.
Intelligently managing pattern contents across multiple racks based on workload and human interaction usage patterns
A method, system and computer program product for managing pattern contents across multiple racks. The workload usage characteristics of the pattern contents on a primary rack in a domain of racks are collected based on monitoring the workload usage of the pattern contents in the pattern definition and in the deployed pattern. Furthermore, information regarding use of the pattern definition, the deployed pattern and the pattern contents by users (“human interaction usage patterns”) is collected based on monitoring the human interaction usage patterns. The pattern contents are then ranked based on analyzing the collected workload usage characteristics and analyzing the collected information regarding human interaction usage patterns. Once the pattern contents are ranked, those contents that are highly ranked are deemed to be more likely to be utilized in the pattern and therefore are the contents that are copied from the primary rack to the other racks of the domain.
High-availability computer system, working method and the use thereof
A high-availability computer system includes a plurality of computer nodes for parallel data processing, wherein each computer node has at least one data processing component and a main memory. The computer system furthermore includes a plurality of storage nodes, wherein each storage node has at least one non-volatile mass storage device. The plurality of computer nodes are partitioned into a plurality of computer groups, wherein each of the plurality of computer groups has at least one redundant computer node. Each computer group has a local connection structure allocated to the respective computer group, the structure connecting the storage nodes allocated to the respective computer group to the computer nodes of the respective computer group.
Service information model for managing a telecommunications network
Systems, methods, and computer program embodiments are disclosed for providing network management services for a telecommunications network. In an embodiment, a request may be received for a service provided by an operations support system (OSS). Data may be retrieved from a network management database based on the received request. The network management database may store a plurality of network management data, and the stored data may be correlated to a service information model that defines a plurality of base network entities used to represent the architecture of the network. An information model template may then be read by the OSS that specifies one or more provider-specific network entities that extend the base network entities defined by the service information model. The retrieved data may then be operated on by the OSS, and the resulting output may be customized based on the provider-specific network entities of the information model template.
Endpoint mapping in a communication system using serial signal sensing
A method in a communication system (20) including endpoints (24) that connect to one another using cable channels, includes injecting one or more test signals to a cable channel, which has first and second ends and is potentially connected to a first endpoint at the first end and to a second endpoint at the second end. One or more serial measurements are performed on the cable channel so as to sense the test signals. Based on the serial measurements, a decision is made as to which of the first and second endpoints are indeed connected to the cable channel.
Methods and systems for changing topology of an asymmetric network
Methods and systems for changing topology of an asymmetric network and operating end-devices coupled to a self-configurable asymmetric network. The self-configurable asymmetric network supports at least two different network topologies and enables: displaying information regarding end-devices that may be accessed via different network topologies, selecting a network topology by setting the direction of a self-configurable asymmetric link, and indicating a subset of the end-devices that are accessible via the selected network topology.
Configuring a new playback device for a bonded zone
Systems, methods, apparatus, and articles of manufacture to facilitate configuration and naming of a multimedia playback device on a local playback network are disclosed. An example method includes identifying and analyzing local network topology to identify playback device(s) connected to the network at location(s). The example method includes analyzing a playback device to be added and comparing the playback device to be added to the playback device(s) already connected to the network. The example method includes displaying available option(s) to name the playback device to be added based on the analysis of the network, the already connected playback device(s) and the playback device to be added to the network. The example method includes naming the playback device to be added based on a selected available option.
Network element and a controller for managing the network element
A network element of a software-defined network includes a data transfer interface (211) for receiving and transmitting data and a processing system (212) for constructing, in accordance with configuration data received from a controller system of the software-defined network, a configuration system for managing data to be forwarded. The processing system is adapted to configure a first portion of the configuration system to associate, with data received at the network element, a configuring entity-specific identifier (CEID) that identifies a configuring entity, for example an application, related to the received data. The configuring entity-specific identifier constitutes at least a part of metadata associated with the received data. Appropriate other portions of the configuration system are configured to use this metadata when determining actions to be carried out in conjunction with the received data. The configuring entity-specific identifier prevents conflicts between different configuring entities, for example applications, in the configuration system.
System and method for monitoring the status of multiple servers on a network
A system and method for monitoring a plurality of servers by a monitoring server in a computer network. A list of servers and a plurality of services to monitor in the computer network is generated at the monitoring server. A status query is transmitted sequentially by the monitoring server to each of the plurality of servers, the status query including the plurality of services to monitor at each server. A status message report is received from each of the plurality of servers in response to each status query. An event is reported in an event log for each server that has an abnormal service status. The transmission of the status query to each server is performed by the monitoring server at a specified service time interval.
Method, cable modem and a device for providing video to a customer premises equipment
A method for providing video to a customer premises equipment, the method includes: receiving, by a radio frequency interface of a cable modem, radio frequency signals; receiving by a data tuner out of multiple tuners of the cable modem, radio frequency signals that convey data; detecting, by a monitor of the cable modem, a request to receive a certain video channel that is being broadcasted; wherein the request is sent to the cable modem from a customer premises equipment; tuning a certain tuner out of multiple tuners of the cable modem, in response to a mapping between radio frequencies and video channels, to receive the certain video channel; filtering out data layer encapsulation information that encapsulates certain video channel information; and transmitting certain video channel information to the customer premises equipment.
Method and apparatus for transmitting and receiving signal using variable observation length in multicarrier system using non-orthogonal transmission signal
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 Long Term Evolution (LTE). A method and apparatus for transmitting and receiving signals using a variable observation length in a multi-carrier system using the non-orthogonal transmission signal. A receiver performs fast Fourier transform on reception vectors contained in the signal, equalizes the fast Fourier transformed reception vectors by a 1-tap zero forcing equalizer, and applies a reception filter based on the observation length to the equalized reception vectors. A transmitter includes a transceiver configured to transmit and receive a signal, and a controller configured to cause the transceiver to transmit an indicator for a Modulation and Coding Scheme (MCS) level to a receiver based on a channel state, and transmit a signal applied with the MCS level to the receiver.
Transformation between time domain and frequency domain based on nearly orthogonal filter banks
A filter bank for signal decomposition is provided. The filter bank comprises a plurality of filter units each of which has one input and two outputs forming two paths whose transfer functions are complementary to each other, where the plurality of filter units are connected to form a tree structure.
Scalable gateways for a fabric switch
One embodiment of the present invention provides a switch. The switch includes a gateway subgroup module, a tunnel management module, and a packet processor. The gateway subgroup module operates the switch in conjunction with a remote switch to form a gateway subgroup. The switch and the remote switch actively operate as tunnel gateways. The tunnel management module maintains a data structure indicating whether a tunnel source subnet is associated with the gateway subgroup. The packet processor decapsulates a tunnel-encapsulated packet in response to a tunnel source subnet of the tunnel-encapsulated packet being associated with the gateway subgroup.
Power consumption management in communication system
Representative implementations of devices and techniques provide an efficient communication that enables nodes in a reduced power consumption state to resume a regular power state (e.g., fully operational) or otherwise another power state (e.g., semi-operational) after processing the communication.
Method for certifying and authentifying security documents based on a measure of the relative variations of the different processes involved in its manufacture
Methods for certifying a security document comprising the steps of: a) selecting a set of unique characteristics, obtained as the result of the variations in the manufacturing process and supplies, b) getting a digital image of a security document and obtaining data of the relative position between features selected from different manufacturing processes (register), c) constructing a message by measuring the register of selected features from the document and the document ID data, d) constructing a hashed message, the hashed message being the message obtained after being encoded by means of a unidirectional cryptographic hash function, e) encrypting the hashed message using a public key cryptographic system to obtain a digital certificate by means of a private key, and f) storing the digital certificate in an external database.
Imaging systems with data encryption and embedding capabalities
An imaging system may embed encrypted data into image data. The imaging system may generate image data in response to light received at a pixel array. The imaging system may include encryption circuitry that accesses an encryption key. The encryption circuitry may receive data related to the imaging system and/or to an environment in which an image is captured and encrypt the data using the encryption key. The imaging system may include data embedding circuitry that embeds the encrypted data into the image data to generate an output image. The components of the imaging system may be formed on a single imaging system chip. The encrypted data embedded in the output image may be extracted using an extraction engine and decrypted using a decryption engine and decryption key such that the data may be accessed by a user with access to the decryption key.
Method for deriving a verification token from a credential
A method for deriving a verification token from a credential may be provided. The credential may be a set of attributes certified by an issuer to a user using a public key of the issuer. The method may comprise generating the verification token out of the credential and binding the verification token to a context string, wherein the verification token may comprise at least one commitment. A commitment may be a blinded version of an attribute. The method may also comprise generating an opening key for the verification token enabling a generation of a confirmation for a validity of the attribute.
Apparatus and associated method for providing communication bandwidth in communication system
An apparatus and an associated method selects rates at which received signals are sampled in a multi-user communication system. The signals are sampled at initial sampling rates during a first period. An estimate is made of the number of received signals, and selection is made of an updated sampling rate, based in part upon the estimate.
Method for aperiodic feedback of channel state information in a wireless access system supporting multi-carrier aggregation
The present invention relates to a wireless access system supporting multi-carrier aggregation (CA) and discloses various methods and devices for aperiodic feedback of channel state information (CSI). The method for aperiodic feedback of the channel state information (CSI) in the wireless access system supporting the multi-carrier aggregation (CA), according to an embodiment of the present invention, comprises the steps of: receiving a first message including an aperiodic CSI request field and uplink grant from a base station; receiving a second message including bitmap information indicating a downlink component carrier (DL CC) subjected to CSI measurement from the base station; measuring the CSI in consideration of at least one of the aperiodic CSI request, uplink grant, and bitmap information; and transmitting the measured CSI to the base station through a physical uplink shared channel (PUSCH) to thereby receive aperiodic feedback of the same.
Method for transmitting uplink control information, user equipment, method for receiving uplink control information, and base station
A method for transmitting an uplink signal by a user equipment in a wireless communication system, including receiving, by the user equipment, an enhanced physical downlink control channel (EPDCCH); receiving, by the user equipment, a physical downlink shared channel (PDSCH) based on the EPDCCH; and transmitting acknowledgement/negative acknowledgement (ACK/NACK) information corresponding to the PDSCH using a PUCCH resource, wherein the PUCCH resource is determined based on an index of an enhanced control channel element (eCCE) for an EPDCCH and an index of an antenna port used for EPDCCH transmission.
Method and apparatus for transmitting control channel in intra-cell carrier aggregation system
The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a Frequency Division Duplex (FDD) scheme. The method also includes receiving data through the Scell before a timing configured as an uplink sub-frame according to a TDD UpLink-DownLink (UL-DL) configuration of the Pcell. The method also includes transmitting a feedback of the received data through the Pcell in a feedback sub-frame. By the method, a feedback for a data can be effectively transferred.
Piggybacking uplink control information onto PUSCH in LTE-advanced
Provided are a method and apparatus for uplink transmission in a wireless communication system. A terminal sets an uplink transmission mode for a plurality of component carriers, multiplexes an uplink transport block and uplink control information in accordance with the uplink transmission mode, and transmits the multiplexed control information through one of the plurality of component carriers on an uplink channel.
Method and apparatus for transmitting channel sounding reference signal in wireless communication system
Methods and apparatuses for generating a channel sounding reference signal in a wireless communication system are discussed. In one aspect, a method is provided for User Equipment (UE) in a wireless communication system to transmit a channel Sounding Reference Signal (SRS). The method includes receiving a control channel for uplink data channel transmission from a Base Station (BS); determining whether the control channel includes information for aperiodic channel SRS transmission; and when it is determined that the control channel includes information for aperiodic channel SRS transmission: transmitting uplink data through a first carrier; and transmitting the channel SRS through a second carrier; wherein the first carrier and the second carrier are transmitted simultaneously to the BS.
Methods to support inter-eNodeB CoMP
A method of executing inter-eNB CoMP JT between a CoMP UE and multiple CoMP eNBs is disclosed. A first CoMP eNB constructs a first set of dynamic control information (DCI). The first set of DCI is independently constructed by the first CoMP eNB. The first CoMP eNB transmits the first set of DCI to the CoMP UE. The first set of DCI includes independent DL assignments allowing the first CoMP eNB to perform independent scheduling of a PDSCH associated with the first CoMP eNB. A second CoMP eNB constructs a second set of DCI. The second set of DCI is independently constructed by the second CoMP eNB. Furthermore, the second CoMP eNB transmits the second set of DCI to the CoMP UE. The second set of DCI includes independent DL assignments allowing the second CoMP eNB to perform independent scheduling of a PDSCH associated with the second CoMP eNB.
Method for increasing the probability of error correction in an optical communication channel
A method for improving the resilience of a communication channel (such as an optical communication channel) to correlated errors (e.g., burst errors), the channel is being formed by a time-multiplexed aggregation of a plurality of lower rate constituent lanes and employs a Forward Error-Correction (FEC) mechanism for forming codewords from data carried by the constituent lanes. Accordingly, the distribution of errors among the codewords is modified by introducing, at the transmitter side, specific delays to the transmission times via the constituent lanes, relative to each other.
Information transmission method and device
An information transmission method and device is provided. The method includes: reporting, by a UE, a CQI value to an eNB; receiving, by the UE, an MCS value sent by the eNB, where the MCS value is determined by the eNB according to the CQI value; and receiving, by the UE, PDSCH data according to the MCS value, where the CQI value and the MCS value are determined according to a second set of tables, where a modulation scheme that can be supported by the second set of tables is higher than 64QAM.
Clock recovery method and clock recovery arrangement for coherent polarization multiplex receivers
Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals. The phase error signals are combined with further phase error signals derived by further error detectors receiving signal values from further equalizers and/or the component signal values directly from sample units.
Network system, time master station, and time slave station
A network system includes a synchronous master device to output a cooperative-operation timing signal in a cooperative-operation cycle, a time master station connected to a network, and a time slave station connected to the network. The time master station includes a master clock to count a time, and a master generation unit to generate master cooperative-operation-time information on the basis of the cooperative-operation timing signal and the time counted by the master clock. The time slave station includes a slave clock to count a time, and a slave generation unit to generate slave cooperative-operation-time information on the basis of the master cooperative-operation-time information and the time counted by the slave clock.
Self-contained tactical audio distribution device
A tactical audio distribution device may include a housing. A plurality of connection jacks may be coupled to the housing. A plurality of microphone input signal connection points may be contained in the housing and may be in electrical communication with at least a portion of the connection jacks. At least one digital audio matrix processor may be contained in the housing. The at least one digital audio matrix processor may be configured to receive audio signals based on audio signals from microphones, to combine those signals into a mixed audio signal, and to output the mixed audio signal. A plurality of headphones output signal connection points may be contained in the housing and be in electrical communication with at least some of the connection jacks and may be configured to receive signals based on the mixed audio signal.
OFDM system with reverse link interference estimation
A new method of performing interference estimation to allow the data packets to be efficiently delivered in an OFDM system. The interference estimation is performed on average over each frame for each mobile station individually in both frequency and time domains. Based on the estimated interference, the CIR can be determined by the BTS based on channel response estimates made by the BTS, or by the MS based on channel response estimates made for the uplink assuming a symmetrical channel. Numerical results show that the CIR estimation error could be very small if a sub-channel is considered as the minimum transmission unit. In terms of the aggregate throughput, the interference estimation method can provide a significant gain.
Phase shifter chip radio frequency self-test
A method for operating a phase shifter chip RF self-test. The method includes outputting, by control hardware, a first signal from a phased locked loop to a pre-amplifier and an input peak detector, outputting, by the control hardware, a second signal from the pre-amplifier to a device under test, selecting, by the control hardware, a target level, and adjusting, by the control hardware, a pre-amplifier gain of the pre-amplifier to cause the input peak detector value to approximately match the target level. The input peak detector is configured to output an input peak detector value based on the first signal.
Power by-light architecture for optically remote analog-to-digital converters
A system of delivering power by light, through a fiber. A system for remote operation of an instrument includes a fiber-coupled power laser source, which has an output fiber with a first core diameter. A fiber taper having a wide end and a narrow end, is used to connect the fiber-coupled power laser source to a system fiber having a second core diameter less than the first core diameter. The system fiber delivers optical power to the remote module, in which a fiber-coupled photovoltaic assembly having an input fiber connected to the system fiber, converts the received light to electrical power. The photovoltaic assembly has a first electrical output and a second electrical output, and the photovoltaic assembly is configured to supply power at a first voltage at the first electrical output, and to supply power at a second voltage at the second electrical output.
Apparatus and method for blind LOFO estimation in coherent optical receiver
A method and apparatus is described for estimating a local oscillator frequency offset (LOFO) of a received optical signal in a coherent optical receiver. The method includes receiving a signal by the coherent optical receiver; digitally shifting a spectrum of the received signal according to one of a plurality of frequency shifts within a first range; equalizing each shifted signal based on a hybrid shifted filter response of a receiver driver, the hybrid shifted filter response is based on a combination of a linear shifted response and a circular shifted filter response of the receiver driver; calculating a difference of power between two sides of a spectrum of each equalized signal, the power for each side of the spectrum being calculated within a first area centered around a frequency corresponding to half of a baud rate of the received signal; determining a minimum power difference among the plurality of frequency shifts within the first range; and estimating the LOFO based on the minimum power difference.
Data transmission method, apparatus, and system
The present invention discloses a data transmission method. The method includes: receiving, by a data processing apparatus, at least two data flows transmitted from at least two remote base stations among multiple remote base stations, aggregating the at least two data flows into one flow of output data, and transmitting the output data to a central site device; or receiving, by the data processing apparatus, one flow of synthetic input data transmitted from the central site device, restoring the synthetic input data to at least two data flows before synthesis, and transmitting the restored at least two data flows to corresponding remote base stations.
Techniques for raster line alignment in light-based communication
Techniques are disclosed for providing proper raster line alignment of a camera or other light-sensing device of a receiver device relative to a transmitting light-based communication (LCom)-enabled luminaire to establish reliable LCom there between. In accordance with some embodiments, proper alignment can be provided automatically (e.g., by the receiver device and/or other suitable controller). In accordance with some embodiments, proper alignment can be provided by the user. In some instances in which a user is to be involved in the alignment process, the receiver device may be configured, for example, to instruct or otherwise guide the user in the process of properly aligning the receiver device relative to a given transmitting LCom-enabled luminaire.
Light detection system and method
There is provided a light detection system which is capable of determining in light embedded codes by detecting light in a scene which is illuminated by an illumination system (110) comprising one or more light sources (111,112,113) each providing a light contribution (I111, I112, I113) comprising an embedded code (ID#1, ID#2, ID#3) emitted as a temporal sequence of modulations in a characteristics of the light emitted. The light detection system comprises light detection means (220), which are arranged for acquiring at least one image of the scene, where the image is acquired a plurality of temporal shifted line instances. Each line of the acquired image comprises an instance of the temporal sequence of modulations of the first embedded code. The light detection system further comprises means (230) for determining embedded codes from the spatial pattern of modulations.
Method of characterizing a multimode optical fiber link and corresponding methods of fabricating multimode optical fiber links and of selecting multimode optical fibers from a batch of multimode optical fibers
The invention concerns a method of characterizing a multimode optical fiber link comprising a light source and a multimode fiber, which comprises: a step (170) of characterizing the multimode fiber using a measurement of the Dispersion Modal Delay (DMD) and delivering fiber characteristic data; a step (171) of characterizing the light source by at least three source characteristic curves showing three parameters of the source as a function of a fiber radius r and obtained by a technique similar to the DMD measurement; a step (173) of computing an Effective Bandwidth (EB) of the link, comprising calculating (172) a transfer function using both the fiber characteristic data and each of said source characteristic curves.
Monitoring apparatus and method for an optical signal-to-noise ratio and receiver
A monitoring apparatus and method for an optical signal-to-noise ratio and a receiver, where the apparatus includes: a processing unit configured to perform nonlinear processing on a pilot signal in received signals, or on a pilot signal in received signals and data signals in a predefined range neighboring the pilot signal; and a calculating unit configured to calculate an optical signal-to-noise ratio of the received signals according to a result of the nonlinear processing. Complexity of calculation may be lowered and accuracy of calculation of an optical signal-to-noise ratio may be improved, thereby efficiently improving the performance of the system.
Transmission apparatus and network control method
A transmission apparatus being one of a plurality of transmission apparatuses included in a ring network, including: a processor configured to: receive a specified message from a first transmission apparatus, the specified message being for setting loopback for at least one wavelength in a ring network, the specified message being transmitted when a failure of at least one optical signal having the at least one wavelength is detected in a specified link of the ring network, and set a loopback to a switch, the loopback being set for a specified wavelength of the at least one wavelength when a specified optical signal having the specified wavelength is terminated by the switch and converted to an electrical signal and when the specified optical signal having the specified wavelength is not terminated and not converted to an electrical signal by any apparatus from a second transmission apparatus to the specified link.
Clear sky determination in uplink power control using dual time constants
An uplink power control system and a machine-implemented method for determining clear sky and adjusting uplink power are provided. A receiving station, which may be a satellite terminal or a satellite gateway, receives a reference signal from a satellite. The reference signal may be sampled over a sampling time period in order to compute a filtered short-term average downlink SINR. A filtered long-term average downlink SINR may be adjusted toward the filtered short-term average downlink SINR using either a first time constant or second time constant, based on a relationship between the filtered long-term average downlink SINR and the filtered short-term average downlink SINR. In some implementations, the second time constant is less than the first time constant.
Global communication network
A method for modifying a communication signal for transmission from a source to a destination includes identifying a target platform for communicating with a communication device and establishing a communication connection between the target platform and the communication device. The method includes identifying an available communication channel for communicating data between the target platform and the communication device, and receiving control inputs from one or more sensors. The method also includes determining a pseudo random noise spreading code based on the received control inputs, and modifying a communication signal by multiplying the communication signal with the pseudo random noise spreading code. Additionally, the method includes causing transmission of the modified communication signal from the communication device to the target platform through the available communication channel, the modified communication signal being transmitted below a thermal noise of the available communication channel.
Interference cancellation repeater
An interference cancellation repeater configured to cancel an interference signal included in an input signal, the interference cancellation repeater including: a canceller configured to generate an interference canceled signal based on the input signal and an estimated signal; a digital filter configured to filter the interference canceled signal to generate an output signal; an interference signal detector configured to generate interference signal existence interval information using the input signal and the output signal; and an adaptive filter configured to receive the interference canceled signal and the output signal, and generate the estimated signal based on the interference signal existence interval information. Information of the signal existence section.
System and method for a man-portable mobile ad-hoc radio based linked extensible network
Embodiments include a system, method, and computer program product for a mobile ad-hoc radio based linked extensible (MARBLE) unit that is a portable, self-contained mesh-capable radio transceiver unit capable of being deployed with other MARBLE units to form a local area ad hoc mesh network. Several MARBLE units may be distributed in the field by an operator (e.g., first responder) in the form of a ball, puck or other shaped enclosure that may be held by a human hand and thrown, tossed or placed in the field to deploy a local area ad hoc mesh network. The MARBLE units may exchange information among themselves to determine and select one MARBLE unit as a relay gateway to access an IP network for all of the MARBLE units coupled to the local area ad hoc mesh network.
Antenna signal transmission apparatus and antenna signal transmission method
An antenna is provided and characterized by searching a look-up table for emission angle information according to an incident angle of a radio frequency input signal and driving an antenna array to emit a radio frequency output signal in a direction corresponding to an incident direction of the radio frequency input signal according to the emission angle information.
Method and system for measuring a channel quality indicator, user equipment and base station
Embodiments of the present invention provide a method and a system for measuring a channel quality indicator, a user equipment and a base station. The method includes: obtaining a channel quality indicator configuration, where the channel quality indicator configuration includes a first combination, and the first combination includes a valid signal processing manner and an interfering signal processing manner; performing valid signal processing and interfering signal processing according to the valid signal processing manner and the interfering signal processing manner in the first combination to obtain a valid signal and an interfering signal; performing channel quality indicator calculation according to the valid signal and the interfering signal to obtain a channel quality indicator; and feeding the channel quality indicator back to a base station.
Wireless communication apparatus and wireless communication control method
A wireless communication apparatus including an antenna, which, in operation, changes a beam pattern by using a plurality of antenna elements, a communicator, which, in operation, performs wireless communication with a communication terminal by using the antenna, quality information acquisition circuitry, which, in operation, acquires quality information indicating a communication quality of the wireless communication, movement information acquisition circuitry, which, in operation, acquires movement information indicating movement of a relative position of the communication terminal with respect to the antenna, and beam control circuitry, which, in operation, controls the beam pattern to be changed by the antenna on the basis of the acquired quality information and movement information.
MIMO communication method, transmitting device, and receiving device
A Multiple Input Multiple Output (MIMO) communication method and system for performing communication between N (N is an integer greater than or equal to 2) transmitting devices each having a transmit antenna and at least one receiving device having N receive antennas by using a multi-user MIMO scheme. The method includes dividing the N transmitting devices into a plurality of sets, and assigning an orthogonal code to each set of transmitting devices as a digital signal sequence to be transmitted by each of the transmitting devices, and arranging the digital signal sequences to be transmitted by the transmitting devices in a frequency axis direction in which an inverse fast Fourier transform is performed, and performing coding.
Communication apparatus, control method of communication apparatus, and program
A communication apparatus includes an electric power reception unit that receives electric power wirelessly supplied from another apparatus, a notification unit that provides notification of capability information of the communication apparatus by wireless communication, and a control unit that controls the notification unit to switch from providing notification of a first capability information not including information indicating capability to receive electric power wirelessly supplied, to providing notification of an information capability information including information indicating capability to receive electric power wirelessly supplied, in accordance with reception of electric power by the electric power reception unit.
Motor vehicle on-board power system and method for transmitting data signals in a motor vehicle on-board power system
In order to permit, in a motor vehicle on-board power system, data to be transmitted with low expenditure on cabling, even between multiple partial networks, a plurality of loads embodied, in particular, as sensors is respectively assigned a communication unit for transferring data. The communication units are embodied in such a way that, by utilizing the supply lines they set up a partially interlinked data network, and transfer data made available by the loads, with the result that communication via the partial networks is also made possible. As a result of the transmission of the data via the supply lines in combination with the setting up of a partially interlinked data network, signal transmission is made possible even if there is no direct connection between the respective sensor and a target unit.
Guided-wave transmission device and methods for use therewith
Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data, the first electromagnetic wave having at least one carrier frequency and corresponding wavelength. A coupler couples the first electromagnetic wave to a transmission medium having at least one inner portion surrounded by a dielectric material, the dielectric material having an outer surface and a corresponding circumference, wherein the coupling of the first electromagnetic wave to the transmission medium forms a second electromagnetic wave that is guided to propagate along the outer surface of the dielectric material via at least one guided-wave mode that can include an asymmetric mode, wherein the at least one carrier frequency is within a microwave or millimeter-wave frequency band and wherein the at least one corresponding wavelength is less than the circumference of the transmission medium. Other embodiments are disclosed.
Radio frequency leakage detection in a cable plant
Embodiments provided describe detections of RF leakage test signal emanating from cable plant. In one embodiment a single mobile receive antenna, connected to a complex demodulator mobile receiver, receives a stabilized test signal radiating from the cable plant. The test signal may be a known continuous wave (CW) carrier or other deterministic signal. The received test signal varies in phase as a function of a position of the mobile receive antenna relative to the location of a leakage antenna. The phase variance forms a Doppler shift as the test antenna moves relative to the leakage antenna. The receiver generates multiple in-phase (I) and quadrature (Q) test signal samples over a SPA (synthetic phased array) distance as the test antenna's travels, and the samples are inserted into a Fourier transform. The result of the transform is instantaneous Doppler frequency shift, from which a bearing angle can be computed.
Audio apparatus and audio communication channel circuit
Disclosed are audio apparatuses and audio communication channel circuits. The circuit includes an audio connector, an identification circuit, a first and a second audio communication channel. An output terminal of the first channel is connected to one of a first and a second pin, an output terminal of the second channel is connected to the other, a first terminal of the identification circuit is connected to one of the first and second pin, and a second terminal of the identification circuit is connected to the other. The circuit further includes: a first pull-down resistor with a first terminal connected to the first channel and a second terminal connected to ground; and a second pull-down resistor with a first terminal connected to the second channel and a second terminal connected to ground. With the present disclosure, the type of hosts that may be compatible with the audio apparatus is enlarged.
Case and shell for a smart phone
A protective case with removable shell for holding and camouflaging a smart phone or similar device, such as, but not limited to, an iPhone 6 or iPhone 6 Plus. The case comprises a front cover and a back cover, which may be rigid or hardback. The front and back covers are hingedly connected along one edge by a spine. A plurality of tabs extending from the inside of the back cover differentially engage corresponding slots in the back of the removable shell, allowing the case and shell to be configured in various positions. The inside of the front cover contains various slots or pockets, and functions as a wallet. The exterior of the case has the appearance of a book, which helps disguise the fact that the case holds a smart phone or similar device.
Integrated real power detector
Techniques for calculating a real power delivered to a transmit load of a transceiver. In an aspect, two distinct voltages are sampled from a matching network coupling the transmit load to an amplifier output. The voltages are coupled by configurable coupling elements to the down-conversion mixers of the transceiver, and are subsequently converted to digital form for processing by a baseband processor. The baseband processor may calculate a coefficient relating the calculated real power to an actual power delivered to the load. The coefficient may be stored and subsequently applied to a transmit element during normal signal transmission by the transceiver. Note the coupling elements may be configured to decouple the sampled voltages from the down-conversion mixers during normal signal reception by the transceiver, thus avoiding unnecessary loading on the receive signal path.
Digital to-analog converters with non-binary weighted cell array
According to at least one aspect, a digital-to-analog converter (DAC) circuit configured to receive a digital signal and provide an analog signal is provided. The DAC circuit includes a first circuit configured to receive a first portion of the digital signal and generate a first output voltage at a level selected from a first plurality of levels where at least two adjacent voltage levels have a first potential difference. The DAC circuit further includes a second circuit configured to receive a second portion of the digital signal and generate a second output voltage at a level selected from a second plurality of levels where at least two adjacent voltage levels have a second potential difference and the second circuit includes a compensation circuit configured to adjust the second potential difference such that the second potential difference is an integer multiple of the first potential difference.
Phase locked loop with sense amplifier circuitry
A phase-locked loop (PLL) circuit, sense amplifier circuit, and method of operating a sense amplifier circuit are disclosed. The sense amplifier circuit comprises first and second operational amplifiers, each operational amplifier respectively comprising a non-inverting input terminal, an inverting input terminal, and an output stage comprising a current gating circuit having two current gating input terminals, the output stage coupled with an output terminal, the output terminal providing a feedback signal to the inverting input terminal. The input voltage signal is received across the non-inverting input terminals of the first and second operational amplifiers, and is received across the two current gating input terminals of each of the first and second operational amplifiers, wherein the sense amplifier circuit generates a sense voltage signal across the output terminals of the first and second operational amplifiers.
High speed level translator
A high speed VPP level translator circuit using thin-oxide field effect transistors (FETs) and methods of use are disclosed. The level translator includes a resistor divider and a one-shot circuit in parallel with the resistor divider. The one-shot circuit conducts to assist a transition from a first state to a second state, and is non-conducting during the transition from the second state to the first state.
Voting circuit and self-correcting latches
The disclosed voting circuit includes a pull-up circuit connected to an output node and to a positive supply voltage. A pull-down circuit is connected to the output node and to ground, and the output node is coupled to receive true output of a first bi-stable circuit. The pull-up circuit pulls the output node to the positive supply voltage in response to complementary output signals from second and third bi-stable circuits being in a first state, and the pull-down circuit pulls the output node to ground in response to complementary output signals from second and third bi-stable circuits being in a second state that is opposite the first state.
On-die termination control without a dedicated pin in a multi-rank system
A memory subsystem includes a multi-device package including multiple memory devices organized as multiple ranks of memory. A control unit for the memory subsystem sends a memory access command concurrently to some or all of the ranks of memory, and triggers some of all of the memory ranks that receive the memory access command to change on-die termination (ODT) settings. One of the ranks is selected to execute the memory access command, and executes the command while all ranks triggered to change the ODT setting have the changed ODT setting.
Clamp for a hybrid switch
A cascode switch circuit includes a normally-on device cascode coupled to a normally-of device between first and second terminals of the cascode switch circuit. A leakage clamp circuit is coupled between first and second terminals of the normally-off device. The leakage clamp circuit is coupled to clamp a voltage at an intermediate terminal between the normally-on device and the normally-off device at a threshold voltage level. The leakage clamp circuit is further coupled to clamp a voltage between the second terminal of the normally-on device and the control terminal of the normally-on device at the threshold voltage level to keep the normally-on device off when the normally-on device and the normally-off device are off.
Processing audio signal to produce enhanced audio signal
A signal processing apparatus includes a transform unit configured to orthogonally transform an audio signal; an analysis unit configured to analyze the audio signal orthogonally transformed by the transform unit and estimate a very high frequency stationary signal component; and a signal processing unit configured to perform signal processing to reduce the very high frequency stationary signal component estimated by the analysis of the analysis unit with respect to the audio signal.
A first transistor has a first terminal and a second terminal. A second transistor has a third terminal, a fourth terminal and a fifth terminal electrically connected to the second terminal of the first transistor during amplification performed by the first transistor. A first bias circuit is electrically connected to the first terminal of the first transistor and supplies a first bias to the first terminal so that a magnitude of the first bias is increased with a rise in circuit temperature. A second bias circuit is electrically connected to the third terminal of the second transistor and supplies a second bias to the third terminal so that the magnitude of the second bias is constantly maintained with respect to changes in the circuit temperature.
Analog amplifier for recovering abnormal operation of common mode feedback
An analog amplifier is provided. The analog variable amplifier includes a first amplifier stage configured to amplify a bias current to output a first output voltage and a second output voltage that respectively depend on a magnitude of a first input voltage and a second input voltage, a second amplifier stage configured to receive the first output voltage and the second output voltage of the first amplifier stage as inputs and to amplify the received first output voltage and the second output voltage, and at least one auxiliary bias current source coupled to an electrical connection between the first amplifier stage and the second amplifier stage through which the second amplifier stage receives the first output voltage, and coupled to an electrical connection between the first amplifier stage and the second amplifier stage through which the second amplifier stage receives the second output voltage.
Multi-band/multi-mode power amplifier with signal path hardware sharing
Existing multi-band/multi-mode (MB/MM) power amplifiers (PAs) use separate signal paths for the different covered frequency bands. This results in a large degree of hardware duplication and to a large die size and cost. Solutions that achieve hardware sharing between the different signal paths of MB/MM PAs are shown. Such sharing includes bias circuit and bypass capacitors sharing, as well as sharing front-end stages and the output stage of the PA. Signal multiplexing may be realized in the transmitter or at the PA front-end while the signal de-multiplexing can be realized either in the PA output stage or at the front-end of the output stage. Such circuits can be applied with saturated and linear MB/MM PAs with adjacent or non-adjacent bands.
Harmonic rejection translational filter
A harmonic translational filter includes a first path, a second path and a signal combiner. The first path has a first translational filter that is driven by a plurality of first oscillation signals, and is arranged to generate a first output signal according to an input signal. The second path has a second translation filter that is driven by a plurality of second oscillation signals that are different from the first oscillation signals in phase. The second path is coupled to the first path and arranged to generate a second output signal according to the input signal. The signal combiner is coupled to the first path and the second path, and arranged to combine the first output signal and the second output signal to generate a filtered signal.
Power conversion device
A power conversion device includes a high-pass filter for extracting an AC component of voltage Vdc of a DC link section, a multiplier for multiplying output VdcAC of the high-pass filter by a first gain K1 and outputting the result, a multiplier for multiplying output of the multiplier by a second gain K2 and outputting the result as a d-axis voltage correction signal vdcmp*, and a multiplier for multiplying output of the multiplier by a third gain K3 and outputting the result as a q-axis voltage correction signal vqcmp*. The gate signal generation section generates gate signals on the basis of a signal vd1 obtained by adding the d-axis voltage correction signal vdcmp* to a d-axis voltage command value vd* and a signal vq1 obtained by adding the q-axis voltage correction signal vqcmp* to a q-axis voltage command value vq*.
Motor speed control circuit and control method thereof
A motor speed control circuit including a voltage-dividing module, a first analog-to-digital converter, a second analog-to-digital converter and an operation module. The voltage-dividing module includes a first resistor unit and a second resistor unit. The first analog-to-digital converter receives a supply voltage and converts the supply voltage into a digital supply voltage. The second analog-to-digital converter receives a divided voltage generated by the voltage-dividing module, and converts the divided voltage into a digital divided voltage. The divided voltage is associated with a resistance ratio between the first resistor unit and the second resistor unit. The operation module receives the digital divided voltage and determines a motor speed curve according to the resistance ratio. The operation module generates a first pulse width modulation signal according to the motor speed curve and the digital supply voltage to drive a motor.
PWM motor drive device
A PWM motor drive device includes: a time counter that counts a time of a polarity of a motor phase signal; a register that retains the time; a zone setting circuit that splits the time into arbitrary zones and generates an arbitrary zone set for which a phase of motor current is adjusted; and a zone correction circuit that compares a motor current phase signal indicating the phase of the motor current with the motor phase signal to correct the zone set.
System and method for electrostatic clamping of workpieces
A system and method for clamping a workpiece to an electrostatic clamp (ESC) comprises placing a first workpiece on a surface of the ESC and applying a first set of clamping parameters to the ESC, therein clamping the first workpiece to the surface of the ESC with a first clamping force. A degree of clamping of the workpiece to the ESC is determined and the application of the first set of clamping parameters to the ESC is halted based on a process recipe. A second set of clamping parameters is applied to the ESC after halting the application of the first set of clamping parameters to the ESC, and the workpiece is removed from the surface of the ESC concurrent with the application of the second set of clamping parameters to the ESC when the degree of clamping of the workpiece to the ESC is less than or approximately equal to a threshold clamping value. The second set of clamping parameters to the ESC is further halted after removing the workpiece from the surface of the ESC.
Energy-harvesting apparatus with plural mechanical amplifiers
An energy harvester is provided for harvesting energy, and in particular electrical energy from an input vibration such as an ambient vibration. The energy harvester comprises a first mechanical amplifier responsive to the input vibration and a second mechanical amplifier coupled to the first mechanical amplifier. At least one of the first and second mechanical amplifiers comprises a parametric resonator, and a power output of the energy harvester is generated by damping the second mechanical amplifier.
Oscillatory wave drive device and optical apparatus
An oscillatory wave drive device has an oscillatory wave driving unit having an electromechanical energy conversion element having drive phases and a detection phase, a diaphragm, and a rotor, in which a traveling wave is generated on the surface of the diaphragm of the electromechanical energy conversion element to drive the rotor, and the driving speed of the rotor is controlled based on a signal of the phase difference detecting unit. In the oscillatory wave drive device, a detection phase voltage step-down unit and a drive phase voltage step-down unit each containing a resistance voltage dividing circuit having at least two resistors are provided and the voltage dividing ratio in the resistance voltage dividing circuit of the detection phase voltage step-down unit is lower than 1/1 and higher than 1/20.
Semiconductor device including positive, negative and intermediate potential conductor plates
A semiconductor device can include an insulating substrate on which at least four semiconductor elements forming a three-level power conversion circuit are mounted, a base plate on which the insulating substrate is provided, a positive conductor plate with a positive DC potential which is connected to one semiconductor element among the semiconductor elements; a negative conductor plate with a negative DC potential which is connected to another semiconductor element among the semiconductor elements and an intermediate potential conductor plate with an intermediate potential which is connected to the remaining two semiconductor elements among the semiconductor elements. The positive conductor plate, the negative conductor plate, and the intermediate potential conductor plate are provided on the base plate. The positive conductor plate and the negative conductor plate are arranged close to the intermediate potential conductor plate so as to face the intermediate potential conductor plate.
A power module includes a substrate, a first sub-module and a second sub-module. The substrate includes plural first conducting parts, plural second conducting parts and a third conducting part. The first sub-module is disposed on the substrate, and includes a first semiconductor switch, a first diode, a first electrode, a second electrode and a third electrode. The first electrode and the second electrode are electrically connected with the corresponding first conducting parts. The third electrode is electrically connected with the third conducting part. The second sub-module is disposed on the substrate, and includes a second semiconductor switch, a second diode, a fourth electrode, a fifth electrode and a sixth electrode. The fourth electrode and the fifth electrode are electrically connected with the corresponding second conducting parts. The sixth electrode is electrically connected with the third conducting part.
Power source switching device and storage battery system
A third relay switches between an output of a first AC power source fed via a first relay and an output of a second AC power source fed via a second relay, and supplies the output after the switching to a load. A welding detection unit detects welding of the first relay. In order to switch the output of the first AC power source to the output of the second AC power source and supply the output of the second AC power source to the load, a power source switching control unit switches the first relay from the closed state to the open state, switches the third relay so as to select and feed the output of the second AC power source, and then prohibits switching of the second relay from the open state to the closed state until a first-relay welding detection processing by the welding detection unit is completed.
Method and apparatus for deriving current for control in a resonant power converter
An apparatus, method, and system for measuring current within a converter. The converter including a resonant tank circuit with a capacitor, the resonant tank circuit is coupled to a DC input bridge and a first terminal of the capacitor is coupled to a ground of the DC input bridge. In addition, a voltage monitor coupled across the capacitor for measuring a voltage across the capacitor. The converter also includes a resonant current calculation module for computing a tank current value based on the voltage.
Current resonance type power supply device
The present invention includes: a series circuit formed of a reactor Lr, a primary winding P of a transformer T, and a capacitor C2; a full-wave rectifier/smoothing circuit D1, D2, C3 configured to perform full-wave rectification and smoothing on a voltage generated in a secondary winding S of the transformer thereby to extract a DC voltage; a control circuit FF1 configured to set a first ON time of the first switch element Q1 and a second ON time of the second switch element Q2 to the same predetermined time thereby to alternately turn on and off the first switch element and the second switch element; and a first ON time controller I1, 16, C7 configured to set one of the first ON time and the second ON time, shorter than the predetermined time, under light-load conditions, based on the DC voltage detected by a detector 11.
Super N-phase switching mode power supply
A power supply system. The power system includes a power supply controller for supplying a control signal. The power system also includes a plurality of MOSFET drivers controlled by the control signal. The power system also includes a plurality of power channels. Each of the power channels includes a plurality of MOSFETs that is controlled by a corresponding MOSFET driver. The plurality of power channels is configured to generate a plurality of power signals, wherein the control signal controls delivery of the plurality of power signals through each of the power channels.
Power converter with efficiency calculation
A switched power converter includes a power stage. The power stage includes a sensor for sensing an output current to obtain a sensed output current, a sensor for sensing an output voltage to obtain a sensed output voltage, and a sensor for sensing an input voltage to obtain a sensed input voltage. The power converter further includes a look-up table or mathematical relationship implementation for deriving an efficiency measure of the power converter from the sensed input voltage, the sensed output voltage and the sensed output current by relating an energy taken by a load and an energy delivered by the input voltage for a specific period of time.
Integrated circuit with configurable control and power switches
Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies.
Power electronic circuit and power module
Disclosed herein is a power electronic circuit having a reference ground and a differential mode loop unit. The differential mode loop unit has a capacitance component, a switch and an electronic component, wherein the capacitance component has a first end, the switch has a first end connecting in series with the capacitance component, the electronic component has a first end, the electronic component connects in series with the capacitance component and the switch, the capacitance component and switch are packaged in a power module, the power module has a trace and at least one output pin connected to reference ground, wherein the first end of the switch or the first end of the electronic component is only connected to the first end of the capacitance component through the trace, and the first end of the capacitance component is connected to reference ground through the output pin.
Direct drive motor for robotic finger
A direct drive motor for a robotic finger. The direct drive motor includes a plurality of outer magnets and a coil assembly including a plurality of coils surrounded by the plurality of outer magnets. The plurality of coils are configured to generate a magnetic field when current is conducted through them such that the coil assembly rotates relative to the plurality of outer magnets. The direct drive motor further includes a plurality of inner magnets surrounded by the plurality of coils and a core element surrounded by the plurality of inner magnets. A center rotation shaft is positioned within an interior space circumscribed by the core element.
Position detection device to determine a moving distance of a moving body
A moving body includes a first position detector configured to detect a position of the moving body by detecting poles of magnets and a second position detector disposed in a different position from a position of the first position detector in a moving direction of the moving body, and configured to detect the position of the moving body. A controller of the moving body determines the position of the moving body on a basis of a position detected by the second position detector when the first position detector is located in an irregular section in which the poles of the magnets are not disposed regularly.
Linear actuator and tube assembly method for linear actuator
A linear actuator includes a first tube and a second tube inserted into the first tube to be free to slide. The first tube includes an outer tube and a cap provided detachably on an end portion of the outer tube, while the second tube includes a base portion and an inner tube provided detachably on the base portion and inserted into the outer tube to be free to slide. A first sliding member that slides against an outer periphery of the inner tube is provided on an inner periphery of one end of the outer tube. A second sliding member that slides against an inner periphery of the outer tube is provided on an outer periphery of an end portion of the inner tube corresponding to the other end of the outer tube.
Stator winding for an electric motor
An electric motor having a rotor core with a rotatable shaft extending therethrough, and a stator positioned radially outward of the rotor core is disclosed herein. The stator can include at least one pair of first and second coils circumferentially positioned on opposing sides of the rotor. Each pair of the first and second coils includes first and second elements electronically isolated from one another. A first frequency converter is electrically connected to a first conductive wire and a second frequency converter is electrically connected to a second conductive wire. The first conductive wire is wound about the first element of the first coil and the first element of the second coil in series and the second conductive wire is wound about the second element of the first coil and the second element of the second coil in series.
Rotary actuator vibration control mechanism
To provide a rotary actuator vibration control mechanism that both reduces vibration during operation and contributes to simplifying the overall structure. In this rotary actuator vibration control mechanism, a continuous shock absorbing member that is integrally formed together with a stopper and an engagement means is laid out in a rotary actuator comprising the following: a case; a rotor that is disposed inside said case and swings back and forth; an output shaft that supports said rotor and outputs the force of the swinging thereof to the outside; the aforementioned stopper, which prescribes the movement path of the rotor inside the case; and the aforementioned engagement means, which engages with an externally attached device disposed outside the case. The shock absorbing member is designed such that the stopper is formed by the molded body that forms the shock absorbing member, and is also designed so as to cover the entire engagement means. The shock absorbing member may be designed such that an integral molded body covers contact parts of both the stopper and the engagement means in a continuous manner, or may be changed to a design in which both are integrally formed by the shock absorbing member.
Rotor for a rotary electric machine and rotary electric machine comprising such a rotor
A rotor (1) comprising a plurality of alternating magnetic poles formed by permanent magnets (3) distributed regularly between a circumferential portion (5) and a central portion (6) of the magnetic body (2) of the rotor and defining circumferential pole sections (7). The pole sections have a pre-determined pole pitch (Thetarho) and comprise a lobe-forming radial section (8). The lobe-forming radial section partially covers the magnets, such as to maximize a useful magnetic flux (PhiU) flowing radially through each of the pole sections and to minimize a leakage magnetic flux flowing through the circumferential portion. The pole sections can have a pre-determined pole overlap angle (Thetar) such as to maximize the useful magnetic flux (PhiU) and to minimize the leakage magnetic flux (PhiL), said overlap angle (Thetar) being a viewing angle of the lobe (8) from a point on the axis of the rotor.
Rotating electric machine and vehicle equipped with rotating electric machine
A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N−1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL.
Wireless power receiving apparatus
A first switch is arranged between one end of a reception antenna and one end of a load. A second switch is arranged between the aforementioned one end of the reception antenna and the other end thereof. A switch control circuit controls switching on and off the first switch and the second switch. The switch control circuit is structured to change the ratio of the on time of the first switch with respect to the period of an electric power signal.
Wireless power reception devices
A wireless power reception device may comprise a resonance coil configured to receive power from outside of the wireless power reception device in a magnetic resonance type; a load coil inductively coupled to the resonance coil to receive the power from the resonance coil in an electromagnetic induction type; and/or a load configured to receive the power from the load coil. The load coil may be short-circuited and/or the load coil and the load may not be connected to each other during a first interval. The load coil may not be short-circuited and/or the load coil and the load may be connected to each other during a second interval that is different from the first interval.
Wind turbine generators
A wind turbine generator (WTG) is connected to an electricity grid via a switchgear. A control system disconnects the WTG from the grid in the event of a fault and also if the grid voltage falls below its normal value for a predetermined time, to prevent the WTG from being connected when the control system is not functional. A back-up generator is started manually to recharge a battery and supply power to the control system . When the control system is fully functional, the WTG is manually re-connected to the grid. Alternatively, the control system enters a sleep mode during which the grid voltage continues to be monitored. When the grid voltage returns, the control system reverts to its wake mode and draws sufficient power from the battery to become fully functional, at which point the WTG is re-connected to the grid.
Reserve power system transfer switches for data center
A system for performing computing operations in a data center includes one or more sets of computer systems, one or more primary power systems, and a reserve power system. The primary power systems include a downstream portion that supplies power to at least one of the sets of computer systems. The reserve power system includes switches that switch between supplying a primary power feed and a reserve power feed from the reserve power system through part of the primary power system. An input resiliency switch can switch between supplying primary power or reserve power to support power supplied to the sets of computer systems through the primary power system based upon a primary power feed fault. A power distribution switch can switch between supplying primary power and reserve power to part of the downstream portion of the primary power system to bypass an upstream portion of the primary power system.
Emergency lighting devices with LED strings
Emergency lighting devices and methods are disclosed. An emergency lighting device includes a first group of solid state emitters configured to emit light of a first color. The emergency lighting device also includes a second group connected in series to the first group and configured to emit a second color. The groups are configured to receive a normal operation current from an LED driver at the input end of the first group and output the normal operation current at the output end of the second group. In an emergency, the first group receives an emergency operation current from an emergency LED driver at an emergency input and outputs the emergency operation current at an emergency output located.
Power control method and device in wireless power transmission system
The present invention relates to a power control method and device in a wireless power transmission system. According to the present invention, even if a CEP packet is not transmitted from a wireless power reception device over a certain period of time, a wireless power transmission device may additionally determine whether the wireless power reception device is located in a charging area and sustainably perform charging.
Hybrid charging method for wireless power transmission based on pocket-forming
The present disclosure provides a hybrid charging method for wireless power transmission based on pocket-forming. This method may extend the battery life of electronic devices such as tablets, smartphones, Bluetooth headsets, smart-watches among others. The method may include wireless power transmission through suitable techniques such as pocket-forming, while including an additional source of energy (backup battery) in the receiver attached or connected to the electronic device.
Wireless power receiver and power control method thereof
A method of controlling power in a wireless power receiver to wirelessly receive power from a wireless power transmitter and transmit the power to a load, the method comprising of receiving AC power from the wireless power transmitter that receives power from a power supply device, rectifying the AC power to DC power and controlling DC power applied to the load by comparing the DC power with a threshold voltage.
Charging method and user equipment
The present disclosure provides a charging method and a user equipment. The charging method includes: measuring a maximum output current value of a charger according to a received fast charging instruction; setting a charging current value for a battery of a user equipment according to the maximum output current value; receiving, from the charger, a first charging current corresponding to the charging current value; and disconnecting the charger if a charging temperature of the battery is detected to be higher than a preset temperature. The charging method and user equipment provided in the present disclosure solve problems in the prior art that the charger is damaged because of overloading in case of emergency charging, and that the battery of the user equipment is overcharged because of an over-high charging temperature, so that safe and fast charging is implemented.
Portable battery booster
A portable battery booster for providing a compact, light, and energy efficient battery to jump start a vehicle. The portable battery booster generally includes a housing, a battery means adapted to be received by the housing, a pair of cable means, each of the cable means having a proximal end and a distal end, the proximal end electrically connected to the battery means and the distal end detachably connected to a discharged battery of the vehicle. The battery is generally comprised of one or more batteries having the type of primary lithium-metal, rechargeable lithium-ion, and/or lithium-polymer and more specifically preferably comprised of lithium iron phosphate for fast charging, small size, and high performance. The battery may also be connected to one or more supercapacitors, an internal CPU, DC/DC converter, etc. to increase performance. The cable means includes jaws that detachably connect to the housing in a flush and sleek manner.
Battery protection integrated circuit applied to battery charging/discharging system and method for determining resistances of voltage divider of battery protection integrated circuit
A battery protection IC applied to a battery charging system is provided, where the battery charging system includes a charger and a switch, the switch is coupled between the charger and a battery when the battery is put into the battery charging system, and the battery protection IC includes a voltage divider, a comparator and a controller. The voltage divider is coupled to a first node of the switch, and is utilized for dividing a voltage of the first node to generate a divided voltage, whereat least one resistor of the voltage divider is formed by two different types of fuses. The comparator is utilized for comparing the voltage with a reference voltage to generate a comparison result. The controller is utilized for generating a control signal according to the comparison result, where the control signal is utilized for switching on or switching off the switch.
Wireless communication device and power receiving unit with switching prediction and methods for use therewith
Aspects of the subject disclosure may include, for example, a power receiving unit having a wireless power receiver configured to receive a wireless power signal from a power transmitting unit. A rectifier includes a plurality of switching circuits configured to generate a rectified voltage from the wireless power signal, based on switch control signals that include a switch-on signal and a switch-off signal for corresponding ones of the plurality of switching circuits. A rectifier control circuit generates the switch control signals based on predicted switching delays. Other embodiments are disclosed.
Power feeding device and power receiving device for contactless power transmission
A power feeding device includes a cover, a primary coil covered with the cover, and a plurality of temperature-sensitive detectors provided in the cover, which detect the temperature of an object on the cover. When the distance between adjacent temperature-sensitive detectors is denoted by W [m], the temperature of the object to be subjected to thermometry by the temperature-sensitive detectors is denoted by T0 [K], the temperature to be detected by the temperature-sensitive detectors is denoted by T1 [K], and the thermal conductivity of the cover is denoted by λ [W/(m·K)], W satisfies the following equation W ≤ 25 × 10 - 3 - 17.2 × λ ln ( 20 T 0 - T 1 ) × 10 - 3 . ( 1 ) This allows the power feeding device to accurately detect the temperature of the object on the cover.
Wireless power transmitting apparatus
Provided is a wireless power transmitting apparatus of a wireless charging system. The wireless power transmitting apparatus of the wireless charging system according to an embodiment of the present invention includes a transmitting coil and a soft magnetic substrate having one side configured to accommodate the transmitting coil, and a groove corresponding to a shape of the transmitting coil is formed in the one side configured to accommodate the transmitting coil.
Smart microgrids and dual-output off-grid power inverters with DC source flexibility
A method and apparatus is disclosed relating to smart microgrids supported by dual-output off-grid power inverters with DC source flexibility that can (1) intelligently and selectively pull power from one or multiple DC sources including solar panels, wind generators, and batteries based on certain criteria; (2) invert DC power to AC power; (3) supply the AC power to two off-grid circuits individually to power various types of AC loads that require different AC voltages, power quality, and power levels; (4) supply DC power through one or multiple DC output ports to power DC loads; and (5) charge batteries. Two or multiple dual-output off-grid power inverters can daisy-chain to form a group to support a larger microgrid which is ideal for off-grid AC Level 1 and Level 2 EV charging.
Battery short-circuit protection circuit
This invention involves a battery short-circuit protection circuit installed in a battery-load circuit. In the battery-load circuit, there is a battery and a load RL. The battery and RL form a circuit. The two ends of the battery are positive discharge end P+ and negative discharge end P−, respectively. The battery short-circuit protection circuit is in series with the battery-load circuit. The battery short-circuit protection circuit includes a charge-discharge circuit, a current amplifier circuit, and a current comparator circuit. The charge-discharge circuit includes MOS transistors and a sampling resistor. The current amplifier circuit includes a signal conditioning circuit and a current amplifier. The current comparator circuit includes a current comparator, a current reference circuit for short-circuit protection consisting, a MOS transistor, a diode, a resistor, and an optronics relay.
Battery pack adaptor with overstress detection circuit
An adaptor for connecting a power source to a power tool includes a housing having a first end that is configured to connect to a power source and a second end that is configured to connect to a power tool. The adaptor includes a control circuit disposed within the housing. The control circuit is configured to detect an overstress condition in the power tool and to control the power tool responsive to detecting the overstress condition.
Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap
The invention relates to an encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap, which has in each case at least two main electrodes and one auxiliary electrode, which is connected to a starting device for triggering in the event of transient surges. The invention provides a second starting device which is independent of the first starting device and which can activate the spark gap without the need for the presence of surges or pulse currents on the basis of the presence of a minimum voltage between the main electrodes of the spark gap.
Overcurrent protection circuit
An overcurrent protection circuit includes a load drive portion that drives a load based on a power supply voltage; a wire that connects the load and the load drive portion; a current detection portion that detects a load current showing a value of a current flowing through the load; a voltage detection portion; and a controller that controls the load drive portion to control a drive of the load, the controller determining an addition-and-subtraction value, controlling the load drive portion to cut off the load current, and stopping driving the load to protect a protection target from an overcurrent. The controller subtracts the integration value based on an elapsed time after cutoff of the load current. The controller controls the load drive portion to again start to drive the load, and also calculates a post-correction integration value lower than a pre-correction integration value by correcting the pre-correction integration value.
Leakage current detection and protection device
A leakage current detection device includes a switching module coupled between power input and output terminals, for controlling the electrical connection between the input and output terminals; a leakage current detection module, including a switch driving component, configured to control the switching module based on working periods of the switch driving component and based on whether a leakage current signal is detected; and a first self testing module, coupled to the leakage current detection module, for periodically generating a self testing pulse signal as a simulated leakage current signal. The first self testing module includes: a periodic timing circuit and a self testing pulse signal generating circuit coupled to each other, where the periodic timing circuit controls the period of the self testing pulse signal. The device provides enhanced safety protection.
Method and device for detecting electric arc in a photovoltaic installation
A method for detecting an electrical arc in a photovoltaic installation includes measurement (E6) of voltage values at at least one point of the electrical circuit of the photovoltaic installation; digitization (E8) of the measured voltage values to form a sampling of data x; calculation (E10) of an estimation value y of the presence of an electrical arc based on a statistical calculation on the sampling of data and the inclusion of an omission factor Φ; and comparison (E12) of the estimation value y of the presence of an electrical arc with a threshold value to deduce therefrom the presence or absence of an electrical arc in the photovoltaic installation.
Seal systems for oil-filled cable terminations and assemblies and methods including the same
An assembly for use with an oil-filled cable termination includes a cable gland, a cable received in the cable gland, a stress cone received around the cable and spaced apart from the cable gland, and a seal system around the cable between the cable gland and the stress cone. The seal system includes: a first oil seal layer surrounding an upper portion of the cable gland and a portion of the cable between the cable gland and the stress cone, with the first oil seal layer being spaced apart from the stress cone; a second oil seal layer surrounding the first oil seal layer and extending between the cable gland and the stress cone; and a third oil seal layer surrounding the second oil seal layer and extending between the cable gland and the stress cone.
Wire protecting member
It is aimed to enable the use of existing components even if the size of an exterior material is changed. A wire protecting member disclosed by this specification is a wire protecting member for accommodating and protecting wires to be routed in a vehicle inside and includes a corrugated tube having wires inserted therein, a clamp including an inserting portion having an inner diameter larger than an inner diameter in the case of inserting the corrugated tube therethrough without any clearance and configured to fix the corrugated tube to a vehicle, and an auxiliary clamp interposed between the corrugated tube and the inserting portion and configured to fix the corrugated tube to the inserting portion.
Electrical switchgear system
A unique electrical switchgear system may include a circuit breaker compartment having a compartment wall. The electrical switchgear system may also include a tapered floor pan mounted on the compartment wall. The floor pan may have two side walls disposed oblique to each other; a back wall; and a top wall coupled to the side walls and defining a discharge opening adjacent to the back wall. The two side walls, the top wall and the compartment wall may form a tunnel for channeling cooling air in a first direction. The back wall may be operative to redirect the cooling air in a second direction different from the first direction for discharging the cooling air from the discharge opening.
There is provided a light-emitting element including a laminated structure including a first compound semiconductor layer having a first conductivity type, a second compound semiconductor layer having a second conductivity type different than the first conductivity type, and a third compound semiconductor layer formed between the first and second compound semiconductor layers and including an active layer. A second end surface of the second compound semiconductor layer and a third end surface of the third compound semiconductor layer are formed at respective second and third angles theta2 and theta3 relative to a virtual vertical direction of the laminated structure and satisfy the following relationship: “absolute value of theta3 is equal to or greater than 0 degree and smaller than absolute value of theta2”.
Semiconductor light emitting device and optical transceiver
A semiconductor light source includes a substrate, an optical waveguide having a reflection structure provided on the substrate with an oxide film in between and a semiconductor light emitting element provided on the optical waveguide. The optical waveguide includes a constant width core layer portion located in a center portion, tapered core layer portions that are provided on either side of the constant width core layer and of which the core width gradually increases and a constant width core layer portion for an optical wire waveguide. The semiconductor light emitting element is placed so as to cover at least a portion of the tapered core layer portions on both sides.
Mode-hop-free hybrid external-cavity laser with passive thermo-optic coefficient compensation
The disclosed embodiments relate to a system that implements a hybrid laser. This system includes a reflective gain medium (RGM) comprising an optical gain material coupled to a mirror. This RGM is coupled to a spot-size converter (SSC), which optically couples the RGM to an optical reflector through a silicon waveguide. The SSC converts an optical mode-field size of the RGM to an optical mode-field size of the silicon waveguide. During operation, the RGM, the spot-size converter, the silicon waveguide and the silicon mirror collectively form a lasing cavity, wherein an effective thermo-optic coefficient (TOC) of a portion of the lasing cavity that passes through the optical gain material and the SSC material is substantially the same as the TOC of silicon. Finally, a laser output is optically coupled out of the lasing cavity.
Air-cooled laser device having heat-transfer member with heat radiating fins
A compact and inexpensive air-cooled laser device, having heat radiating fins configured to sufficiently cool a heat-receiving member thermally connected to a laser diode module positioned within a housing of the laser device having a substantially sealing structure. A flow direction of air flowing between heat radiating fins of a first fin set and a flow direction of air flowing between heat radiating fins of a second fin set are generally opposed to each other. Further, the first and second fin sets are positioned adjacent to each other, and thus an inflow area of the first fin set and an outflow area of the second fin set are also adjacent to each other. Therefore, most of the air after flowing between the fins of the first fin set is deflected by colliding with an inner wall of a housing, and then enters between the fins of the second fin set.
Linear motor or voice coil for fast tuning of a laser cavity
A tunable laser including: a reflecting mirror; a partially transmitting mirror; a gain medium energized by a pump source; a pair of mirrors surrounding the gain medium, a first prism and a second prism located between the gain medium and the reflecting mirror; the first prism receives radiation from the gain medium and disperses the radiation to the second prism; the second prism receives and directs the radiation towards an optical element which filters the spatially dispersed radiation based on the position to the second prism, the radiation resonates between the reflecting mirror and the partially transmitting mirror; the second prism is placed on a stage moved by a linear motor such that a desired center wavelength is obtained by moving the second prism to a position so as to allow radiation having the desired center wavelength to resonate between the reflecting mirror and the partially transmitting mirror.
Pump combiner for multi-clad fibers
Disclosed herein is a fiber pump combiner, comprising, a multi-clad fiber comprising an outer cladding layer and an inner cladding layer, a plurality of tapered trenches formed in the inner cladding layer and a plurality of pump fibers, wherein the plurality of pump fibers are tapered and fused into corresponding ones of the plurality of tapered trenches.
Cover assembly and electrical connector assembly
A connector assembly having a cover assembly housing a first electrical component and a second electrical component. The cover assembly includes a mating connector receiving recess, a first component receiving recess and a second component receiving recess. A separating wall mechanically and electrically separates the first component receiving recess from the second component receiving recess. Latches are positioned in the first and second component receiving recess proximate the mating connector receiving recess. The latches cooperate with the electrical components to maintain the electrical component in the component receiving recesses. A seal is provided about an inside perimeter of the mating connector receiving recess. Bus bars electrically connect the first electrical component to the second electrical component. Wherein when the cover assembly is mated to the mating connector, a sealed compartment is provided that protects the first electrical components and the second electrical components from the environment.
Connector with preformed metallic tubular mounting bracket
An electrical connector includes an terminal module and a metallic tubular shield fixedly enclosing the terminal module to form a sub-assembly, and a metallic tubular bracket enclosing the sub-assembly. The terminal module includes an insulator having a base and a tongue portion forwardly extending from the base, and a plurality of terminals disposed in the insulator. The base includes a rear end having a securing section, and the bracket has a fixing section correspondingly, wherein the bracket is adapted to be forwardly assembled from a rear side of the sub-assembly to have the fixing section engaged with the securing section.
Electrical connector with reduced stack height
An electrical connector assembly includes first and second mezzanine electrical connectors that include respective first and second arrays of electrical contacts. The electrical contacts can be receptacle, or one can be a plug and the other can be a receptacle. Each electrical connector can further include at least one alignment member that cooperate to align the first and second arrays of electrical contacts relative to each other. Each electrical connector can further include at least one orientation member that allows the first and second electrical connectors to mate when in a predetermined orientation relative to each other.
Dual orientation connector with external contacts
A dual orientation connector having a connector tab with first and second major opposing sides and a plurality of electrical contacts carried by the connector tab. The plurality of contacts includes a first set of external contacts formed at the first major side and a second set of external contacts formed at the second major side. The first plurality of contacts are symmetrically spaced with the second plurality of contacts and the connector tab is shaped to have 180 degree symmetry so that it can be inserted and operatively coupled to a corresponding receptacle connector in either of two insertion orientations.
Waterproof electrical connector
An electrical connector includes an insulative housing, a number of terminals retained in the insulative housing, a shielding shell attached to the insulative housing, and an insulator insert-molded with a rear end of the shielding shell. The terminals have a number of soldering portions extending out of a rear surface of the insulative housing. The shielding shell has a tail portion located at a rear end thereof. The insulator at least wraps partly an external surface of the tail portion to seal up a rear end of the insulative housing and extend the soldering portions of the terminals through the insulator to expose a rear surface thereof.
According to an embodiment, an electronic device includes: a housing including a first face facing a first direction, a second face on an opposite side of the first face, and a third face adjacent to the first and second faces; a connector protruding from the third face; and a first cover connected to the housing, including a fourth face, and being pivotable between a first position where the fourth face faces the first direction and a second position where the fourth face faces the first face. The first cover includes a first stopper that, when the first cover pivots from the first position to the second position, contacts the connector and is elastically deformable in a direction that is a pivoting axial direction of the first cover and is a separating direction from the connector.
Electrical connector for connection to a transmission connector on a device
An electrical connector includes a housing internally defining a receiving passage having a front installation hole and a rear stop hole; an inner cap assembled to an inner side of the stop hole and internally defining a mounting passage; a pad assembled to an inner side of the installation hole and internally defining a holding passage; a conductor extended through and held in the holding passage with a forward exposed conducting pin section; and a flat spring member having a rear abutting end mounted in the mounting passage and a front clamping end riveted to a rear end of the conductor and forward pressed against a rear end surface of the pad, such that a spacing chamber is defined between an inner wall surface of the housing and the flat spring member. Therefore, the electrical conductor has fewer parts than conventional electrical connectors to enable reduced assembling complexity and time.
Power connector having a dual-beam contact
A power connector includes: an insulative housing including an upper surface, a lower surface, and a receiving space; a number of contacts accommodated in the insulative housing each including a contacting portion, a rear portion accommodated in a rear end of the insulative housing, and a corrugated elastic portion connecting the contacting portion and the rear portion, the contacting portion including a lower tongue plate extending forwardly from the corrugated elastic portion, an upper tongue plate, and a curved section connecting the lower tongue plate and the upper tongue plate; wherein the curved section has a pair of contact beams.
Connector for coupling coaxial cable to strip line
A connector for coupling a coaxial cable (240) to a strip line comprises a first plate (210) to be arranged above a conductor (220) of the strip line to which a center conductor (244) of the coaxial cable (240) is soldered, the first plate (210) including: a first solder portion (212) to which a braid (242) of the coaxial cable (240) is soldered; and an aperture (214) formed adjacent to the first solder portion (212) and configured to prevent heat propagation of a solder point of the first solder portion (212) and the braid (242) of the coaxial cable (240) and to expose a solder point of the conductor (220) of the strip line and the center conductor (244) of the coaxial cable (240), wherein a biggest dimension of the aperture (214) is shaped to be less than 5% of highest frequency wavelength.
Electrical connector for a flat conductor
An object is to provide an electrical connector for a flat conductor that does not leave behind plastic deformation on a pressing arm part of a terminal pressing a flat conductor. A metal plate terminal, housing, and movable member are provided, where the terminal has a pressing arm part extending such that an insertion-and-removal direction of a flat conductor is in a longitudinal direction, and a supporting arm part extending in the longitudinal direction, which is connected with the pressing arm part by a connecting part. The pressing arm part has a pressing part for pressing one surface of the flat conductor on a rear end side which is an insertion side of the flat conductor, and a pressure receiving part receiving a force from a cam part on a position more forward than the pressing part.
Enclosure for radio, parabolic dish antenna, and side lobe shields
Enclosures for radios, parabolic dish antennas, and side lobe shields are provided herein. A dish antenna includes a parabolic circular reflector bounded by a side lobe shield that extends along a longitudinal axis of the dish antenna in a forward direction forming a front cavity, and a sidewall that extends along the longitudinal axis of the dish antenna in a rearward direction forming a rear cavity.
Cavity backed aperture antenna
An apparatus includes a first metal region of a substrate, a second metal region of the substrate, and vias that electrically connect the first metal region to the second metal region to define a cavity of a slot aperture antenna.
Mixed structure dual-band dual-beam three-column phased array antenna
Dual-band antenna elements can be used to construct a dual-beam three-column antenna array. The dual-band antenna elements include both a high-band and a low-band radiating element, which allows the dual-band antenna elements to radiate signals in two frequency bands. The dual-band antenna elements also include a resonating box to isolate the co-located radiating elements from one another, as well as to mitigate inter-band distortion. The dual-band antenna elements may be interleaved with single-band elements to achieve a dual-beam three-column antenna array. Individual elements in the dual-beam three-column antenna array may be separated by non-uniform offsets/spacings to achieve improved performance.
Multi-scale, multi-layer diode grid array rectenna
An antenna for receiving electromagnetic energy with multiple grid arrays includes first and second grid patterns of diodes each acting as a half-wave rectifying element when illuminated by the electromagnetic energy whereby the electromagnetic energy is efficiently converted into electrical current at an output even when the electromagnetic energy is randomly polarized. The multiple grid arrays are spaced from one another and can also be offset from one another. In accordance with an aspect of the invention, the first and second grid patterns of diodes have varying diode densities.
Dual band RFID device and method of formation
A dual band antenna device and method of formation is provided. In one embodiment, the method comprises providing a planar conductive sheet; forming a slot antenna in the conductive sheet; the slot antenna configured to communicate at a first frequency; forming a multi-turn antenna in the conductive sheet; the multi-turn antenna configured to communicate in a second frequency that is different from the first frequency; and connecting at least one integrated circuit to said first antenna and said second antenna; enclosing said first antenna, said second antenna, and said at least one integrated circuit in a wearable enclosure.
Two-dimensionally electronically-steerable artificial impedance surface antenna
A method and apparatus for electronically steering an antenna system is provided. A surface wave is propagated along each of a number of surface wave channels formed in each of a plurality of radiating elements to form a radiation pattern. Each surface wave channel in the number of surface wave channels formed in each radiating element in the plurality of radiating elements is coupled to a transmission line configured to carry a radio frequency signal using a surface wave feed in a plurality of surface wave feed associated with the plurality of radiating elements. A main lobe of the radiation pattern is electronically steered by controlling voltages applied to a plurality of switch elements connecting a plurality of impedance elements in each of the number of surface wave channels.
Steerable satellite antenna assembly with fixed antenna feed and associated methods
An antenna assembly to be carried by a satellite includes an antenna feed configured to extend outwardly from the satellite, and a frame rotatably carried by the antenna feed and is rotatable about a first rotation axis. A main reflector is carried by the frame and is aligned with the antenna feed. A splash plate is carried by the frame in spaced apart relation from the main reflector and is rotatable about a second rotation axis.
System wirelessly transferring power to a target device over a tested transmission pathway
Described embodiments include a system, method, and apparatus. A system includes an antenna comprising a sub-Nyquist holographic aperture configured to define selectable arbitrary complex radiofrequency electromagnetic fields on a surface of the antenna. A path analysis engine tests power transmission pathways from the antenna to a target device located in an environment within a space radiateable by the antenna. The environment includes a human being. An optimization circuit selects responsive to the tested power transmission pathways a power transmission regime. The regime includes an electromagnetic radiation pattern shaped to transfer radiofrequency electromagnetic power from the antenna to the target device without exceeding a radiation exposure limit for humans. A gain definition circuit selects a complex radiofrequency electromagnetic field implementing the selected power transmission regime from the at least two selectable, complex radiofrequency electromagnetic fields. An antenna controller defines the selected arbitrary complex radiofrequency electromagnetic field in the sub-Nyquist holographic aperture.
Integrated light/rain sensor and communication antenna
An apparatus includes a lens assembly and a printed circuit board. The lens assembly may be configured to provide at least four orthogonal optical paths and a central atrium. The printed circuit board may be disposed below the lens assembly and generally comprises an antenna and ground plane on a front surface of the printed circuit board, and a first emitter, a second emitter, a first detector and a second detector mounted on the printed circuit board. The antenna is generally aligned with the central atrium. The first emitter is generally located between a first pair of the four orthogonal optical paths. The second emitter is generally located between a second pair of the four orthogonal optical paths. The first detector is generally located between a third pair of the four orthogonal optical paths. The second detector is generally located between a fourth pair of the four orthogonal optical paths.
Vehicle door handle assembly with antenna circuit
A vehicular door handle system includes a door handle assembly for a door of a vehicle. The door handle assembly includes a door handle portion that is graspable by a user to open the vehicle door. The door handle assembly includes an antenna circuit for a passive entry system of the vehicle. The antenna circuit includes at least an inductor in series electrical connection with a capacitor. The antenna circuit includes a resistor in series electrical connection with the inductor of the antenna circuit and the capacitor of the antenna circuit. The series electrical connection includes one of (i) the resistor being disposed between the inductor and the capacitor of the antenna circuit and (ii) the resistor not being disposed between the inductor and the capacitor of the antenna circuit. The resistor functions to reduce the Q factor of the antenna circuit.
Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
Aspects of the subject disclosure may include, for example, a transmission medium that includes a dielectric core comprising a plurality of rigid dielectric members configured to propagate guided electromagnetic waves. A dielectric cladding is disposed on at least a portion of an outer surface of the first dielectric core. Other embodiments are disclosed.
High-frequency signal line
A high-frequency signal line includes a dielectric body including a first dielectric layer and one or more other dielectric layers laminated together. A first signal line is provided on a first main surface, which is a main surface located on one side in a direction of lamination, of the first dielectric layer. A second signal line is provided on a second main surface, which is a main surface located on another side in the lamination direction, of the first dielectric layer so as to face the first signal line via the first dielectric layer. The second signal line is electrically connected to the first signal line. A first ground conductor is located on one side in the lamination direction than the first signal line. A second ground conductor is located on another side in the lamination direction than the second signal line.
Millimeter waveband filter and method of varying resonant frequency thereof
The millimeter waveband filter includes: a transmission line that is formed by a waveguide which propagates electromagnetic waves with a predetermined frequency range of a millimeter waveband from one end to the other end in a TE10 mode; and a pair of radio-wave half mirrors that are disposed opposite each other with a space interposed therebetween so as to block the inside of the transmission line and have planar shapes and a characteristic of transmitting a part of the electromagnetic waves with the predetermined frequency range and reflecting a part thereof. In the electromagnetic waves incident from the one end side of the transmission line, a frequency component centered on a resonant frequency of a resonator, which is formed between the pair of radio-wave half mirrors, is selectively output from the other end of the transmission line.
Magnesium-air fuel cell and power supply device using the same
A magnesium-air fuel cell includes, in an inner portion, a pair of cathode accommodating portions each having at least one end opened. Cathode bodies are each disposed in a corresponding cathode accommodating portion, while having a part exposed to the inner portion. The part of each cathode body is separated from and faces an anode body. A power supply device using the fuel cell includes a supporting portion including a water supply port for the reaction liquid, a base portion incorporating the fuel cell, and a main body including a water supply pipe from the water supply port to the base portion. The water supply pipe is in communication with a water injection port in the fuel cell, and the water supply pipe incorporates a discharge pipe that extends from the supporting portion into the inner portion of the fuel cell and discharges reaction gas produced in the inner portion.
Fuel cell system
The present invention provides a fuel cell system using combustion heat for an evaporator and a desulfurizer effectively. The fuel cell system comprises a combustor, a reformer, a fuel cell, a first cathode air heating part, a desulfurizer and an evaporator. A mixture of oxygen and gas which is contained in fuel is combusted in the combustor. A combustion exhaust gas generated in the combustor flows in the fuel cell system in such a manner that the combustion exhaust gas gives thermal energy to the reformer, the first cathode air heating part, the desulfurizer, and the evaporator in this order.
Apparatus and method for measuring internal ohmic resistance of fuel cell system
An apparatus and a method for measuring the internal ohmic resistance of a fuel cell system, in which the resistance can be easily measured through a current interruption method even while the fuel cell system is operated. An interrupter and an external energy consumption device are connected in parallel to each other between a fuel cell and a main energy consumption device such that current to the external energy consumption device is applied and interrupted by switching the interrupter on/off even while the fuel cell system is maintained in operation as is, thereby making it possible to easily measure the internal ohmic resistance of the fuel cell.
Hybrid emergency power unit system
An integrated hybrid emergency power system having various features is disclosed. A hybrid emergency power system may have an auxiliary power unit and an emergency power unit. The emergency power unit may have a fuel cell. The auxiliary power unit may have an engine. The emergency power unit may be connected to the auxiliary power unit by an emergency power unit efficiency improvement apparatus. In this manner, the operating efficiency of the emergency power unit may be enhanced.
Method for manufacturing composite ceramic material
Provided is a method of making a composite ceramic material for a fuel cell. The composite ceramic material for the fuel cell forms a cored structure where perovskite ceramic particles having a small particle diameter surround lanthanum cobaltite particles having a large particle diameter. Lanthanum cobaltite is added as a starting material in a process of synthesizing the perovskite ceramic particles. The composite ceramic material for the fuel cell made according to this method improves an electric connection characteristic between a separation plate and a polar plate of the fuel cell, and is chemically and mechanically stable.
Electrode material and manufacturing method thereof
Provided is an electrode material with excellent tab weldability and realizing decreased contact resistance with an active material layer. A collector (electrode material) (1) is provided with a metal foil substrate (1a) and a carbon-containing conductive substance (1b), and is configured such that, when observed from a square viewfield with a surface area of 0.1 mm2, the conductive substance (1b) is arranged in islands on the surface of the substrate (1a) with a 1-80% coverage ratio of the conductive substance (1b) on the surface of the substrate (1a).
Cathode active material for lithium secondary battery, method of fabricating the same, and lithium secondary battery including the same
Provided are a cathode active material for a lithium secondary battery, a method of fabricating the same, and a lithium secondary battery including the same. The cathode active material includes a lithium composite transition metal oxide represented by Li1+(c-a)/2NiaCobMncO2-xFx (0.1≦c−a≦0.4, 0.13≦a≦0.3, 0.03≦b≦0.2, 0.4≦c≦0.6, (a+b+c)+(1+(c−a)/2)=2, 0
Silicon anode for a rechargeable battery
An electrode and electrode assembly, for example for use as an anode in a lithium-ion rechargeable cell that uses silicon or silicon-based elements of specific dimensions and geometry as its active material, is provided, as well as methods for manufacturing the same. The active silicon or silicon-based material may include fibers, sheets, flakes, tubes or ribbons, for example.
Porous electroactive material
A composition including a plurality of electroactive porous particle fragments including silicon as an electroactive material is characterized in that each porous particle fragment includes a network of pores defined and separated by silicon containing walls. The network of pores suitably has a three dimensional arrangement of pores extending through the volume of the particle in which the pore openings are provided on two or more planes over the surface of the particle. The composition is useful as an electroactive material that is able to form an alloy with lithium and can be used in the fabrication of anodes for use in lithium ion secondary batteries. A method of fabricating the silicon containing porous particle fragments is also disclosed.
Germanium-containing active material for anodes for lithium-ion devices
Active materials for anodes for lithium ion devices are disclosed. An active may comprise germanium nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of the germanium is between 72 to 96 weight % of the total weight of the active material; boron carbide nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of boron in the active material is between 3 to 6 weight % of the total weight of the active material; and tungsten carbide nano-particles having a particle size of 20 to 60 nm, wherein the weight percentage of tungsten in the active material is between 6 to 25 weight % of the total weight of the active material.
Process for preparing crystalline electrode materials and materials obtained therefrom
There is provided a process for preparing a crystalline electrode material, the process comprising: providing a liquid bath comprising the electrode material in a melted state; and introducing a precursor of the electrode material into the liquid bath, wherein the electrode material comprises lithium, a metal and phosphate. There is also provided a crystalline electrode material, comprising lithium substituted by less than 0.1 atomic of Na or K; Fe and/or Mn, substituted by less than 0.1 atomic ratio of: (a) Mg, Ca, Al and B, (b) Nb, Zr, Mo, V and Cr, (c) Fe(III), or (d) any combinations thereof; and PO4, substituted by less than 20% atomic weight of an oxyanion selected from SO4, SiO4, BO4, P2O7, and any combinations thereof, the material being in the form of particles having a non-carbon and non-olivine phase on at least a portion of the surface thereof.
Electric accumulation device
Immobilization tapes include first immobilization tapes disposed across an electrode assembly upper edge, second immobilization tapes disposed across the electrode assembly lower edge, and third immobilization tapes disposed across the electrode assembly side edges. The first immobilization tapes are disposed on the outer sides of two protrusion positions from a positive electrode tab and a negative electrode tab within the electrode assembly upper edge. One pair or more each of the first, second and third immobilization tapes are disposed over the electrode assembly. In the length direction of the electrode assembly upper edge, each of the first, second and third immobilization tape pairs is disposed symmetrically, centered around a central line extending in the top-down direction from the midpoint of the electrode assembly upper edge.
Electrode assembly having excellent degree of freedom in shape thereof in thickness direction, secondary cell battery, battery pack, and device including electrode assembly
There is provided an electrode assembly having increased degrees of structural freedom in the thickness direction thereof. The electrode assembly includes negative and positive electrodes alternately stacked with separators interposed therebetween, wherein the electrode assembly is formed by stacking N electrode stacks where N is a natural number equal to or greater than 2, each of the electrode stacks comprises electrodes having the same area and stacked with separators interposed therebetween, and neighboring electrode stacks of the electrode stacks have different electrode areas, wherein a first electrode stack of the electrode stacks is formed by stacking unit cells respectively including an odd number of electrodes, and the other electrode stacks stacked on the first electrode are formed by stacking unit cells respectively including an even number of electrodes.
Electrospinning for integrated separator for lithium-ion batteries
Embodiments of the present invention relate generally to lithium-ion batteries, and more specifically, to batteries having integrated separators and methods of fabricating such batteries. In one embodiment, a lithium-ion battery having an electrode structure is provided. The lithium-ion battery comprises an anode stack, a cathode stack, and a porous electrospun polymer separator comprising a nano-fiber backbone structure. The anode stack comprises an anodic current collector and an anode structure formed over a first surface of the anodic current collector. The cathode stack comprises a cathodic current collector and a cathode structure formed over a first surface of the cathodic current collector. The porous electrospun polymer separator is positioned between the anode structure and the cathode structure.
Pressure relief element, pressure relief device and battery
The present invention relates to a pressure relief element (11) to be used as an overpressure safety means in devices where a gaseous medium must be rapidly released in case of overpressure, wherein the pressure relief element (11) has at least one notch (9) which is designed as a predetermined breaking point where the pressure relief element (11) breaks at a certain level of overpressure, thereby irreversibly opening an exhaust path for the gaseous medium. The present invention also relates to a pressure relief device of an electrochemical battery, comprising such a pressure relief element and a battery comprising such a pressure relief device.
A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal.
A film-covered battery houses, in a film covering material 4 obtained by stacking a heat sealing layer 13, a barrier layer 12, and a protective layer 11, a battery element 6 obtained by arranging positive and negative electrodes through separators and has a sealing portion that seals a periphery of the film covering material 4 housing the battery element 6. The sealing portion 18 includes an agglomeration/sealing portion 19 and a first interface bonding portion 15 provided so as to be adjacent to the battery element housing portion side of the agglomeration/sealing portion.
Prismatic sealed secondary battery
The positive electrode substrate exposed portions or the negative electrode substrate exposed portions, or both, of an electrode assembly is split into two groups, and therebetween is disposed an intermediate member made of a resin material and holding one or more connecting conductive members. Collector members for the substrate exposed portions split into two groups is electrically joined by a resistance welding method to the substrate exposed portions split into two groups, together with the connecting conductive member(s) of the intermediate member. The resin material portion of the intermediate member protrudes, in the extension direction of the substrate exposed portions split into two groups, beyond the ends of the substrate exposed portions split into two groups and the ends of the collector member to a prismatic outer can. This structure enables enhanced resistance between the substrate exposed portions and the collector member and curbs variation in the welding strength.
Organic light emitting device comprising flexible substrate and method for preparing thereof
The present application relates to an organic light emitting device including a flexible substrate, and a preparing method thereof, and the method includes: 1) forming a polyimide layer on a carrier substrate; 2) forming a plastic substrate on the carrier substrate and the polyimide layer; 3) forming an organic light emitting device on the plastic substrate; and 4) separating the carrier substrate.
Organic electroluminescent element, illumination device, and display device
This organic electroluminescent element includes: a light transmissive substrate; a light emitting stack including a first electrode, a light emitting layer, and a second electrode; and at least one light-outcoupling structure which has an uneven structure. The light emitting layer has a birefringence property with a higher refractive index in a direction parallel to a surface of the light transmissive substrate than a refractive index in a direction perpendicular to the surface of the light transmissive substrate. The uneven structure includes a plurality of protrusions which are individually allocated to some of planar matrix-like sections, and with regard to unit regions consisting of same number of sections of the planar matrix-like sections, a ratio of an area of one or more of the plurality of protrusions in a unit region is substantially constant in each unit region.
Organic electroluminescence element and illumination device
An object is providing an organic electroluminescence element and an illumination device in which a driving voltage does not increase even when a high-productivity sputtering method is used to form a transparent conductive layer of the organic electroluminescence element of a top or top-and-bottom emission type, and hence which has an improved driving voltage. The organic electroluminescence element includes at least a light emitting layer and a transparent conductive layer. Between the light emitting layer and the transparent conductive layer, a transparent protective layer is disposed. The light emitting layer contains a phosphorescence emitting compound. The transparent protective layer contains a metal oxide. The metal oxide is a molybdenum (VI) oxide, a rhenium (VI) oxide or a nickel (II) oxide in an oxygen deficient state.
Electroluminescent device having holes for liquid filler flow
The present invention includes a frame-shaped sealing material, a filling layer, and a support. The frame-shaped sealing material is provided between a TFT substrate and a counter substrate, and is configured to seal an organic EL element (electroluminescent element) along with the TFT substrate and the counter substrate. The filling layer is composed of a liquid filler, and is filled in the space between the counter substrate, a sealing film, and the sealing material. The support is located inside the sealing material and between the TFT substrate and the counter substrate, and also supports the TFT substrate and the counter substrate.
Organic electroluminescent materials and devices
Compounds having a structure according to Formula I, G1-L1-G2, or Formula V, are described. In Formula I, G1 and G2 independently have a structure of Formula II, In the structures of Formulae I, II, and V, L1 connects one of rings A1-A4 of G1 to one of rings A1-A4 of G2; L1 is selected from a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO2, SiRR′, GeRR′, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; each ring A1, A2, A3, and A4, as well as R, R′R″, and R1 to R19 can be hydrogen or a variety of substituents, including a fused ring between adjacent substituents; and at least two adjacent R1 to R16 on the same ring are Formulations and devices, such as an OLEDs, that include the compound of Formula I or V are also described.
Compound, organic electroluminescence device material, organic electroluminescence device and electronic device
A compound is represented by a formula (1) below. In the formula (1), X1 to X8 each independently represent a carbon atom to be bonded to a group represented by the following formula (20), CRX or a nitrogen atom. At least one of X1 to X8 is a carbon atom to be bonded to the group represented by the following formula (2). RX is each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, or the like.
Method for manufacturing a resistive random access memory device
A method for manufacturing a resistive memory device is disclosed and comprises following steps. Firstly, a bottom electrode is formed over a substrate. Next, an oxidation process is performed to the bottom electrode to form a metal oxide layer, wherein a hydrogen plasma and an oxygen plasma are provided during the oxidation process. Then, a top electrode is formed on the metal oxide layer.
Spacer assisted ion beam etching of spin torque magnetic random access memory
A stack of MTJ layers is provided on a substrate comprising a bottom electrode, a pinned layer, a tunnel barrier layer, a free layer, and a top electrode. The MTJ stack is patterned to form a MTJ device wherein sidewall damage is formed on its sidewalls. A dielectric spacer is formed on the MTJ device. The dielectric spacer is etched away on horizontal surfaces wherein the dielectric spacer on the sidewalls is partially etched away. The remaining dielectric spacer covers the pinned layer and bottom electrode. The dielectric spacer is removed from the free layer or is thinner on the free layer than on the pinned layer and bottom electrode. Sidewall damage is thereafter removed from the free layer by applying a horizontal etching to the MTJ device wherein the pinned layer and bottom electrode are protected from etching by the dielectric spacer layer.
Ion beam apparatus generating ion beams of bilateral symmetry
A pattern-forming method includes providing a first ion beam at a first incidence angle and a second ion beam at a second incidence angle to a surface of an etch target layer formed on a substrate. Patterns are formed by patterning the etch target layer using the first and second ion beams. The first ion beam and the second ion beam are substantially symmetrical to each other with respect to a normal line that is perpendicular to a top surface of the substrate. Each of the first and second incidence angles is greater than 0 degrees and smaller than an angle obtained by subtracting a predetermined angle from 90 degrees.
Methods of producing and controlling tunneling electroresistance and tunneling magnetoresistance in a multiferroic tunnel junction
The present invention relates to magnetic random access memory (MRAM) storage devices based on multiferroic tunnel junctions in which ferroelectric polarization is used to control and manipulate the memory state. Invention methods include: (1) method of producing tunneling electroresistance (TER) effect in multiferroic tunnel junction (MFTJ) at finite bias; (2) method of controlling the TER effect in an MFTJ at infinite bias via the switching of the relative orientation of the ferromagnetic leads; (3) method of producing monotonous bias dependence of the tunneling magnetoresistance (TMR) in a MFTJ; (4) method of controlling the size and direction of the parallel spin transfer torque (STT) component and the perpendicular STT component across the MFTJ; (5) method of producing a monotonous bias dependence of the perpendicular STT component across an MFTJ; and (6) method of controlling the size and sign of the interlayer exchange coupling in an MFTJ. The invented products are any electric-field-controlled spin transfer torque magnetoresistive memory element based on a multiferoic tunnel junction (MTFJ) with magnetic electrodes and a simple or composite ferroelectric barrier embodying any of the claimed 6 methods.
An electronic device including a semiconductor memory is provided. The semiconductor memory may include an interlayer dielectric layer having a hole; a conductive pattern filled in the hole; and a variable resistance element coupled with the conductive pattern over the conductive pattern and storing different data according to a resistance change, wherein the conductive pattern includes a carbon-containing conductive layer in a region adjacent to the variable resistance element.
Magnetic random access memory with ultrathin reference layer
The present invention is directed to an MRAM device comprising a plurality of MTJ memory elements. Each of the memory elements includes a magnetic free layer and a first magnetic reference layer with an insulating tunnel junction layer interposed therebetween; a second magnetic reference layer formed adjacent to the first magnetic reference layer opposite the insulating tunnel junction layer; an anti-ferromagnetic coupling layer formed adjacent to the second magnetic reference layer opposite the first magnetic reference layer; and a magnetic fixed layer formed adjacent to the anti-ferromagnetic coupling layer. The magnetic free layer has a variable magnetization direction substantially perpendicular to the layer plane thereof. The first and second magnetic reference layers have a first fixed magnetization direction substantially perpendicular to the layer planes thereof. The magnetic fixed layer has a second fixed magnetization direction that is substantially perpendicular to the layer plane thereof and is substantially opposite to the first fixed magnetization direction.
Lead-free piezo-electric porcelain composition, piezo-electric element using the same, and method for producing lead-free piezo-electric porcelain composition
A lead-free piezo-electric porcelain composition which contains a main phase having voids and which is formed of a first crystal phase composed of an alkali niobate/tantalate-based perovskite oxide having piezo-electric characteristics; and a sub-phase containing a second crystal phase composed of an A2B6O13-based compound (where the element A is a monovalent element and the element B is one or more divalent to hexavalent elements). The sub-phase fills voids present in the main phase.
System and a method for emitting an ultrasonic signal
A system for emitting an ultrasonic signal is provided. The system includes a first ultrasonic transducer and a second ultrasonic transducer. A plate of the first ultrasonic element faces a plate of the second ultrasonic element such that the plate of the first ultrasonic element is spaced apart from the plate of the second ultrasonic element by a gap. During operation of the first and second ultrasonic transducers, a uniform or omnidirectional ultrasonic signal may be emitted from the gap.
Thermoelectric power module
A thermoelectric power module comprising: a thermoelectric element employing a bismuth-tellurium (Bi—Te) based thermoelectric material; at least one barrier layer disposed on the thermoelectric element; an electrode; an electrode protection layer disposed at least on one principal surface of the electrode; a solder layer having a side surface formed with a recess, the solder layer joining a first region of the electrode protection layer to the at least one barrier layer; and a coating film disposed on a side surface of the thermoelectric element, a side surface of the at least one barrier layer, and the side surface of the solder layer, the coating film covering a second region adjacent to the first region of the electrode protection layer and being filled into the recess of the solder layer.
Light-emitting diode device
A light-emitting diode device is disclosed, which comprises a substrate including a first surface; a plurality of light-emitting diode units formed on the first surface, each of the light-emitting diode units including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; and a plurality of conductive connecting structures, spatially separated from each other, wherein one end of one of the plurality of conductive connecting structure is arranged on the second semiconductor layer, directly contacted with the second semiconductor layer, and electrically connected with each other through the second semiconductor layer; wherein another end of the one of the conductive connecting structures is arranged on another light-emitting diode unit, and directly contacted with one of the semiconductor layers of the another light-emitting diode unit.
Anisotropic conductive film (ACF) including a relfective layer
An anisotropic conductive film (ACF) is disclosed. In one approach, the ACF includes a non-reflective adhesive layer including a top surface, a plurality of conductive particles included with the non-reflective adhesive layer, and a reflective adhesive layer disposed along the top surface of the non-reflective adhesive layer. The reflective layer includes at least five percent reflective particles by percentage weight.
A light-emitting device includes a light-emitting element, a cover layer, and an anti-adhesion layer. The light-emitting element has a top surface, a bottom surface and a first side surface. The cover layer covers the light-emitting element and includes a first transparent binder and a plurality of wavelength conversion particles dispersed within the first transparent binder. The anti-adhesion layer includes a fluoro-containing material, and is disposed on the cover layer and the top surface.
Light emitting devices having closely-spaced broad-spectrum and narrow-spectrum luminescent materials and related methods
A semiconductor light emitting device includes an LED and an associated recipient luminophoric medium that includes respective first through fourth luminescent materials that down-convert respective first through fourth portions of the radiation emitted by the LED to radiation having respective first through fourth peak wavelengths. The first peak wavelength is in the green color range and the second through fourth peak wavelengths are in the red color range. The second and third luminescent materials each emit light having a full-width half maximum bandwidth of at least 70 nanometers, while the fourth luminescent material emits light having a full-width half maximum bandwidth of less than 60 nanometers. Embodiments that only include three luminescent materials are also disclosed.
Light emitting device and method for manufacturing same
A light emitting device has a light emitting element, a package, a lead, and a cover film. The package is arranged to form at least part of an inner peripheral face of a recess portion. The light emitting element is housed in the recess portion. The lead is disposed on a bottom face of the recess portion. The lead is electrically connected to the light emitting element. The cover film is arranged to cover the inner peripheral face of the recess portion. The cover film has light transmissive and electrical insulation. The package includes a base material and a plurality of particles. The base material includes a resin. A coefficient of thermal expansion of the particles is different from a coefficient of thermal expansion of the base material. The particles are disposed at least near the inner peripheral face of the recess portion.
Light emitting device
The light emitting device 1 includes a substrate 2, and an n-type conductive type semiconductor layer 3, a light emitting layer 4 and a p-type conductive type semiconductor layer 5 laminated in series on a surface 2A of the substrate 2. The light emitting layer 4, the p-type conductive type semiconductor layer 5, and a portion of the n-type conductive type semiconductor layer 3 excluding the vicinity of the peripheral portion compose a semiconductor laminate structure portion 6. A p-side transparent electrode layer 14 is formed on a surface of the p-type conductive type semiconductor layer 5. The p-side transparent electrode 14 covers a substantially whole area of a predetermined current injection region 13 on a surface of the p-type conductive type semiconductor layer 5. A p-side electrode 15 is formed on a surface of the p-side transparent electrode layer 14. A plurality of concave portions 16, which penetrate the p-side transparent electrode layer 14 and enter the semiconductor laminate structure portion 6, are formed on a surface of the p-side transparent electrode layer 14.
Method and apparatus for programmable and configurable sector localization in distributed antenna system
An apparatus for implementing an adaptive sectorization in a DAS (Distributed Antenna System) is provided. In some embodiment of the present disclosure, a DAS that supports an adaptive sectorization has the flexibility of supporting multiple sectors simply with an extension of STM (Sectorization Module) without being affected by the hardware structure. Where no sector splitting is needed, the STM is replaced by a COM (Head-end Combining Module) to provide a simple structure for supporting the sectors.
Apparatus for generating electricity using solar power and method for manufacturing same
Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, a first window layer including a first oxide on the light absorbing layer, and a second window layer provided on the first window layer and including a second oxide having a composition ratio of oxygen higher than a composition ratio of oxygen contained in the first oxide.
A photovoltaic device is presented. The photovoltaic device includes a layer stack; and an absorber layer is disposed on the layer stack. The absorber layer includes cadmium, tellurium, and selenium. A semiconductor layer is further disposed on the absorber layer, wherein a valence band offset between the semiconductor layer and the absorber layer is less than about 1.3 electron Volts, and a band gap of the semiconductor layer is in a range from about 1.2 electron Volts to about 3.5 electron Volts.
Photovoltaic cell with wrap through connections
Known photovoltaic cells with wrap through connections have output terminals of both polarities on its back surface, one of which is coupled to the front surface via the wrap through connections. The invented solar cell is manufactured by creating an emitter layer on the back surface. Electrode material is applied in mutually separate first and second areas on the back surface. The electrode material in the first area contacts the emitter. The second area covers a surrounding of a hole that provides for the connection on the back surface. The electrode material in the second area lies on the emitter and around the second area the emitter is interrupted by a trench. On the front surface a further area of electrode material is applied over the hole. If necessary the electrode material in the second area on the back surface is applied on a supporting surface that is substantially electrically isolated from current flowing laterally through the emitter layer underneath the first area.
Solid state imaging apparatus, production method thereof and electronic device
A solid state imaging apparatus includes an insulation structure formed of an insulation substance penetrating through at least a silicon layer at a light receiving surface side, the insulation structure having a forward tapered shape where a top diameter at an upper portion of the light receiving surface side of the silicon layer is greater than a bottom diameter at a bottom portion of the silicon layer. Also, there are provided a method of producing the solid state imaging apparatus and an electronic device including the solid state imaging apparatus.
Semiconductor device and manufacturing method thereof
A semiconductor device that is suitable for miniaturization. A method for manufacturing a semiconductor device includes the steps of forming a semiconductor, forming a first conductor over the semiconductor, performing a second process on the first conductor so as to form a conductor according to a first pattern, forming a first insulator over the conductor having the first pattern, forming an opening in the first insulator, performing a third process on the conductor having the first pattern in the opening so as to form a first electrode and a second electrode and to expose the semiconductor, forming a second insulator over the first insulator, an inner wall of the opening, and an exposed portion of the semiconductor, forming a second conductor over the second insulator, and performing a fourth process on the second conductor so as to form a third electrode.
Display device and method of manufacturing display device
A method of manufacturing a display device is provided. The display device includes a display region divided into a first display region and a second display region by a border region extending in the second direction, a plurality of data lines including a plurality of first data lines arranged in the first display region, and a plurality of second data lines arranged in the second display region. Each of the plurality of first data lines and each of the plurality of second data lines are electrically isolated from each other. The method includes steps of forming a plurality of conductive lines on a substrate extending from a top side to a bottom side of the display region in the first direction, and separating the plurality of conductive lines into the plurality of first data lines and the plurality of second data lines.
Sacrificial epitaxial gate stressors
A method for fabricating a fin field effect transistor (finFET) device with a strained channel. During fabrication, after the fin is formed, a sacrificial epitaxial gate stressor is deposited on the fin, causing strain in the fin. SD structures are then formed to anchor the ends of the fin, and the sacrificial epitaxial gate stressor is removed.
Power MOSFETs and methods for manufacturing the same
A semiconductor device and the method of manufacturing the same are provided. The semiconductor device includes a substrate, a source region, a drain region, a filed plate and a gate electrode. The source region is of a first conductivity type located at a first side within the substrate. The drain region is of the first conductive type located at a second side within the substrate opposite to the first side. The field plate is located over the substrate and between the source region and the drain region. A portion of the gate electrode is located over the field plate.
Lateral DMOS device with dummy gate
An LDMOS transistor with a dummy gate comprises an extended drift region over a substrate, a drain region in the extended drift region, a channel region in the extended drift region, a source region in the channel region, a first dielectric layer with a first thickness formed over the extended drift region, a second dielectric layer with a second thickness formed over the extended drift region and the channel region, wherein the first thickness is greater than the second thickness, and wherein the first dielectric layer and the second dielectric layer form two steps, a first gate formed over the first dielectric layer and a second gate formed above the second dielectric layer.
Semiconductor device with insulating section of varying thickness
A semiconductor device includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type on the first semiconductor region, a first electrode surrounded by the first semiconductor region and including a first electrode portion and a second electrode portion provided on the first electrode portion, and a first insulating section including first and second insulating portions. The second insulating portion is arranged side by side with the second electrode portion in a second direction perpendicular to a first direction from the first semiconductor region to the second semiconductor region. The first insulating portion is arranged side by side with the first electrode portion in the second direction. A length and a thickness of the first insulating portion in the first direction are greater than a length and a thickness of the second insulating portion in the first direction, respectively.
Bipolar semiconductor device with sub-cathode enhancement regions
There are disclosed herein various implementations of a bipolar semiconductor device with sub-cathode enhancement regions. Such a bipolar semiconductor device includes a drift region having a first conductivity type situated over an anode layer having a second conductivity type opposite the first conductivity type. The bipolar semiconductor device also includes first and second depletion trenches, each having a depletion electrode. In addition, the bipolar semiconductor device includes a first control trench situated between the first and second depletion trenches, the first control trench extending into the drift region and being adjacent to cathode diffusions. An enhancement region having the first conductivity type is localized in the drift region between the first control trench and one or both of the first and second depletion trenches. In one implementation, the bipolar semiconductor device may be an insulated-gate bipolar transistor (IGBT).
Semiconductor device and method for manufacturing the same
A semiconductor device includes trench gate electrodes, an emitter coupling section that couples them with each other, an interlayer insulating film arranged in a hybrid sub-cell region and an inactive cell region, and a contact trench penetrating it. Also, the contact trench is divided in a crossing region of extending directions of the hybrid sub-cell region and the emitter coupling section. Further, an n+-type emitter region is disposed so as to be apart from an end of the divided contact trench. With such configuration of not forming the contact trench in the crossing region, the working failure of the contact trench can be reduced. Also, because the n+-type emitter region is disposed so as to be apart from the end of the contact trench, the breakdown resistance of the semiconductor device can be improved.
A bipolar transistor and a method for fabricating a bipolar transistor are disclosed. In one embodiment the bipolar transistor includes a semiconductor body including a collector region and a base region arranged on top of the collector region, the collector region being doped with dopants of a second doping type and the base region being at least partly doped with dopants of a first doping type and an insulating spacers arranged on top of the base region. The semiconductor body further includes a semiconductor layer including an emitter region arranged on the base region and laterally enclosed by the spacers, the emitter region being doped with dopants of the second doping type forming a pn-junction with the base region, wherein the emitter region is fully located above a horizontal plane through a bottom side of the spacers.
Semiconductor device having a gap defined therein
In a particular embodiment, a method includes forming a first spacer structure on a dummy gate of a semiconductor device and forming a sacrificial spacer on the first spacer structure. The method also includes etching a structure of the semiconductor device to create an opening, removing the sacrificial spacer via the opening, and depositing a material to close to define a gap.
Method of manufacturing a termination arrangement for a vertical MOSFET
Representative implementations of devices and techniques provide a termination arrangement for a transistor structure. The periphery of a transistor structure may include a recessed area having features arranged to improve performance of the transistor at or near breakdown.
Semiconductor device and manufacturing method thereof
A semiconductor structure, and methods for forming the semiconductor device are provided. In various embodiments, the semiconductor device includes a substrate, source/drain regions over the substrate, a plurality of nanowires over the substrate and sandwiched by the source/drain regions, a gate dielectric layer surrounding the plurality of nanowires, and a gate layer surrounding the gate dielectric layer.
Nanosheet isolation for bulk CMOS non-planar devices
A semiconductor structure is provided that includes a semiconductor substrate including a first device region and a second device region. First trench isolation structures surround the first and second device regions and extend below first and second pedestal portions of the semiconductor substrate. A first semiconductor material fin stack is located above the first pedestal portion of the semiconductor substrate, and a second semiconductor material fin stack is located above the second pedestal portion of the semiconductor substrate. Second trench isolation structures are located at ends of each first and second semiconductor material fin stacks. A portion of each second trench isolation structure is located directly between a bottommost surface of the first or second semiconductor material fin stack and the first or second pedestal portion of the semiconductor substrate.
Serial capacitor device with middle electrode contact
A capacitor includes a bottom electrode and a top electrode positioned above the bottom electrode. The top electrode and the bottom electrode are conductively coupled to one another. A middle electrode is positioned between the bottom electrode and the top electrode. A lower dielectric layer is positioned between the bottom electrode and the middle electrode. An upper dielectric layer is positioned between the middle electrode and the top electrode. A first contact is conductively coupled to the top electrode. A second contact is conductively coupled to the middle electrode.
Stacked capacitor with enhanced capacitance and method of manufacturing the same
A semiconductor device and method of manufacturing the same is provided. The semiconductor device includes a semiconductor substrate and a stacked capacitor. The stacked capacitor is over the semiconductor substrate. The stacked capacitor includes a lower electrode plate, an upper electrode plate, a dielectric layer, a cap layer, a first via hole and a second via hole. The lower electrode plate is over the semiconductor substrate. The upper electrode plate is over the lower electrode plate. The dielectric layer is between the lower electrode plate and the upper electrode plate. The cap layer is over the upper electrode plate. The first via hole is through the cap layer, the upper electrode plate and the dielectric layer, partially exposing the lower electrode plate. The second via hole is through the cap layer, partially exposing the upper electrode plate.
Provided is a semiconductor device. The semiconductor device includes a capacitor structure including a plurality of lower electrodes, a dielectric layer that covers surfaces of the plurality of lower electrodes, and an upper electrode on the dielectric layer. The semiconductor device further includes a support structure that supports the plurality of lower electrodes. The support structure includes a first support region that covers sidewalls of one of the plurality of lower electrodes, and an opening that envelops the first support region when the semiconductor device is viewed in plan view.
Light-emitting device and manufacturing method thereof
When a hollow structure in which a light-emitting element is provided between a pair of substrates is used in order to prevent oxygen or moisture from reaching the light-emitting element, light leakage to an adjacent pixel easily occurs as compared to a structure in which a space between a pair of substrates is filled with a resin such as an adhesive. In order to reduce light leakage to an adjacent pixel in the hollow structure, a light-blocking spacer is formed over a partition to keep the distance between the pair of substrates uniform. The cross-sectional shape of the light-blocking spacer is a trapezoid having a lower side shorter than an upper side.
Organic light-emitting display device
An organic light-emitting display device includes a first substrate, a second substrate, a sealing adhesive layer, an organic light-emitting device and a touch sensing device. The first substrate and the second substrate are disposed opposite to each other. The sealing adhesive layer is disposed between the first substrate and the second substrate in a peripheral region. The organic light-emitting device is disposed on the second substrate in a display region, and the sealing adhesive layer surrounds the organic light-emitting device. The touch sensing device is disposed on the first substrate and includes a touch sensing electrode array and a plurality of sensing wires electrically connected to the touch sensing electrode array, respectively, and the sensing wires are disposed along the peripheral region at at least one side of the display region and over the sealing adhesive layer.
A sealing member containing conductive particles and disposed in a seal region is formed between a display panel and a touch panel. A laminated structure formed on the display panel includes a first detection lines. The first detection lines extend from the seal region to a connection region and are connected through the conductive particles to terminals of second detection lines formed on the touch panel. A peripheral edge of the organic barrier is located inward from the conductive particles of the sealing member. The above described structure can facilitate a work for connecting external lines such as FPC to the display panel and the touch panel. Further, the structure can secure stability of electrical connection between the external lines and the touch panel.
Organic light emitting diode display
An organic light emitting diode display according to the present invention includes a substrate assembly including a substrate with a driving transistor thereon, and an organic light emitting element including a single molecular layer and configured to emit white light, a touchscreen panel on the substrate assembly, a window on the touchscreen panel, and a color filter layer on the substrate assembly and including a first color filter, a second color filter, and a third color filter, wherein the first to third color filters respectively correspond to different colors.
Memory arrays and methods of forming memory arrays
Some embodiments include a memory array having a first memory cell adjacent to a second memory cell along a lateral direction. The second memory cell is vertically offset relative to the first memory cell. Some embodiments include a memory array having a series of data/sense lines extending along a first direction, a series of access lines extending along a second direction, and memory cells vertically between the access lines and data/sense lines. The memory cells are arranged in a grid having columns along the first direction and rows along the second direction. Memory cells in a common column and/or row as one another are arranged in two alternating sets, with a first set having memory cells at a first height and a second set having memory cells at a second height vertically offset relative to the first height. Some embodiments include methods of forming memory arrays.
Method of forming an infrared filter associated with an image sensor
An image sensor having a portion including interconnection levels formed on a semiconductor substrate covered with a first layer of a dielectric material, including conductive tracks separated from one another by insulating layers interconnected by vias crossing the insulating layers, and an infrared bandpass filter comprising filter levels adjacent to the interconnection levels formed by an alternation of second layers of the dielectric material and of silicon layers, the refraction index of the dielectric material being smaller than 2.5 at the maximum transmission wavelength of the filter, one of the second dielectric layers of each filter level being identical to the insulating layer of the adjacent interconnection level.
Photoelectric conversion device, image pickup system, and method for manufacturing photoelectric conversion device
A photoelectric conversion device has an insulator film disposed on a silicon layer having a photoelectric conversion region, the insulator film having a portion overlapped with the photoelectric conversion region, a silicon oxide film disposed on the insulator film, the silicon oxide film having a portion overlapped with the photoelectric conversion region, an electroconductive member disposed between the insulator film and the silicon oxide film, and a silicon oxide layer disposed between the electroconductive member and the silicon oxide film, in which the portion overlapped with the photoelectric conversion region of the silicon oxide film is in contact with the portion overlapped with the photoelectric conversion region of the insulator film and the hydrogen concentration of the silicon oxide film is greater than the hydrogen concentration of the silicon oxide layer.
Solid-state imaging apparatus
A solid-state imaging apparatus includes: a solid-state imaging device photoelectrically converting light taken by a lens; and a light shielding member shielding part of light incident on the solid-state imaging device from the lens, wherein an angle made between an edge surface of the light shielding member and an optical axis direction of the lens is larger than an incident angle of light to be incident on an edge portion of the light shielding member.
Methods and apparatus for an image sensor with a multi-branch transistor
Various embodiments of the present technology may comprise a method and device for a multi-source/drain transistor for use in an image sensor. The device may comprise an active region, wherein the active region comprises three doped regions. Two of the three doped region may be floating diffusion active regions, wherein each floating diffusion active region is connected to a photosensitive element. The device may comprise a multi-branch channel defined by the area underlying a gate region and substantially surrounded by the doped regions. During operation the electron path may form an “L” shape within the channel.
RGBZ pixel unit cell with first and second Z transfer gates
An image sensor is described having a pixel array. The pixel array has a unit cell that includes visible light photodiodes and an infra-red photodiode. The visible light photodiodes and the infra-red photodiode are coupled to a particular column of the pixel array. The unit cell has a first capacitor coupled to the visible light photodiodes to store charge from each of the visible-light photodiodes. The unit cell has a readout circuit to provide the first capacitor's voltage on the particular column. The unit cell has a second capacitor that is coupled to the infra-red photodiode through a first transfer gate transistor to receive charge from the infra-red photodiode during a time-of-flight exposure. The first capacitor is coupled to the infra-red photodiode through a second transfer gate transistor to receive charge from the infra-red photodiode during the time-of-flight exposure.
Method for forming shallow trenches of the dual active regions
The invention disclosed a method for forming shallow trenches of the dual active regions. Firstly, forming an etch stop layer on a semiconductor substrate; secondly, using a first accurate photomask to expose and develop the semiconductor substrate, until the etch stop layer has been exposed on the top of the first shallow trench regions and the second shallow trench regions; thirdly, etching the etch stop layer entirely in the exposed regions; fourthly, using a second photomask to expose and develop the first shallow trench regions which require a deeper etch depth of the trench than that of the second shallow trench regions; fifthly, etching and forming preliminary entirely depth in the first shallow trench regions, and then removing the second photomask; at last, taking the etch stop layer as a mask, and simultaneously etching the first shallow trench regions and the second shallow trench regions to form the first hallow trenches and the second shallow trenches having different depths. The invention has realized a low-cost photomask application and an optimization of the etching process by optimizing the photomask design.
Thin film transistor array substrate, method of manufacturing the same, and display device having the same
A thin film transistor array substrate includes gate and data lines, a thin film transistor, a pixel electrode, a polarizing plate, and a contact line. The gate line is positioned on a base substrate, and disposed in a first direction. The data line is disposed in a second direction perpendicular to the first direction. The thin film transistor is connected to the gate and data lines. The pixel electrode is connected to the thin film transistor. The polarizing plate is positioned between the base substrate and the thin film transistor, and has a first metal pattern overlapping the thin film transistor on a plane, a second metal pattern overlapping the pixel electrode on a plane, and a third metal pattern overlapping the data line on a plane. The contact line is positioned over the data line, and connects the data line and the third metal pattern to each other.
Display substrate and method of fabricating the same
A display substrate and its fabricating method have been disclosed. In a horizontal-field-mode liquid crystal display device, while maintaining five mask processes, additional direct contact has been formed to implement a narrow bezel.
Semiconductor light emitting device
According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a third semiconductor layer. The third semiconductor is provided between the first semiconductor layer and the second semiconductor layer. A first transistor includes a first gate electrode and a first amorphous semiconductor layer. The first gate electrode and the first amorphous semiconductor layer overlap in a first direction. The first direction is from the first semiconductor layer toward the second semiconductor layer. The first gate electrode is provided between the second semiconductor layer and the first amorphous semiconductor layer.
Semiconductor device and method for manufacturing the same
A first conductive film overlapping with an oxide semiconductor film is formed over a gate insulating film, a gate electrode is formed by selectively etching the first conductive film using a resist subjected to electron beam exposure, a first insulating film is formed over the gate insulating film and the gate electrode, removing a part of the first insulating film while the gate electrode is not exposed, an anti-reflective film is formed over the first insulating film, the anti-reflective film, the first insulating film and the gate insulating film are selectively etched using a resist subjected to electron beam exposure, and a source electrode in contact with one end of the oxide semiconductor film and one end of the first insulating film and a drain electrode in contact with the other end of the oxide semiconductor film and the other end of the first insulating film are formed.
Metal oxide film and method for forming metal oxide film
A metal oxide film including a crystal part and having highly stable physical properties is provided. The size of the crystal part is less than or equal to 10 nm, which allows the observation of circumferentially arranged spots in a nanobeam electron diffraction pattern of the cross section of the metal oxide film when the measurement area is greater than or equal to 5 nmφ and less than or equal to 10 nmφ.
Semiconductor chip including integrated circuit having cross-coupled transistor configuration and method for manufacturing the same
A first conductive structure forms gate electrodes of a first transistor of a first transistor type and a first transistor of a second transistor type. A second conductive structure forms a gate electrode of a second transistor of the first transistor type. A third conductive structure forms a gate electrode of a second transistor of the second transistor type. A fourth conductive structure forms a gate electrode of a third transistor of the first transistor type. A fifth conductive structure forms a gate electrode of a third transistor of the second transistor type. A sixth conductive structure forms gate electrodes of a fourth transistor of the first transistor type and a fourth transistor of the second transistor type. The second and third transistors of the first transistor type and the second and third transistors of the second transistor type are electrically connected to form a cross-coupled transistor configuration.
Provided herein is a semiconductor device. The semiconductor device includes: a lower conductive pattern; a lower memory string conductive pattern disposed over the lower conductive pattern; a stack of upper memory string conductive patterns, wherein the stack is disposed over the lower memory string conductive pattern; a lower pad pattern extending from the lower memory string conductive pattern; upper pad patterns respectively extending from the upper memory string conductive patterns; a floating conductive pattern disposed under below the lower pad pattern, the floating conductive pattern overlapping the lower pad pattern; and a contact plug coming into contact with the lower pad pattern and overlapping the floating conductive pattern.
Three-dimensional memory device having ring-shaped etch-stop patterns interposed between lower and upper layer stacks
A semiconductor device includes a first stack including a plurality of alternating layers of first interlayer insulating layers and first conductive patterns; a second stack including a plurality of alternating layers of second conductive patterns and second interlayer insulating layers, the second stack being positioned above the first stack; a plurality of pillar-structures each pillar structure passing through the first and second stacks; and a ring pattern layer disposed between the first and second stacks, the ring pattern layer comprising a plurality of ring patterns, each ring pattern surrounding each pillar-structure.
Flash memory device
A method of manufacturing a flash memory device is provided including providing a silicon-on-insulator (SOI) substrate, in particular, a fully depleted silicon-on-insulator (FDSOI) substrate, comprising a semiconductor bulk substrate, a buried oxide layer formed on the semiconductor bulk substrate and a semiconductor layer formed on the buried oxide layer and forming a memory device on the SOI substrate. Forming the flash memory device on the SOI substrate includes forming a flash transistor device and a read transistor device.
Memory structure and a method for forming the same
A semiconductor structure includes a SRAM cell having transistors defined by fins and metal gate stack structures. A transistor and a corresponding pick up cell are disposed in an extension direction of the fins. The transistor and the corresponding pick up cell have metal gate stack structures of the same type.
Semiconductor device with damascene bit line and method for manufacturing the same
A semiconductor device includes first conductive patterns adjacent to each other and isolated by a trench including first and second trenches, a second conductive pattern formed in the first trench, and an insulating pattern partially filling the second trench under the second conductive pattern and formed between the first conductive patterns and the second conductive pattern.
Enhanced charge storage materials, related semiconductor memory cells and semiconductor devices, and related systems and methods
Volatile memory cells including dielectric materials exhibiting a nonlinear capacitance as a function of voltage. The volatile memory cells comprise a source region and a drain region within a substrate and a capacitor coupled to one of the source region and the drain region. The capacitor includes a charge storage material disposed between a pair of electrodes. The charge storage material has a crystal structure comprising an oxide of zirconium, hafnium, and bismuth, and is configured and formulated to transition from a first phase to a second phase exhibiting a higher capacitance than the first phase responsive to application of an electrical field. A digit line is electrically coupled to at least one electrode of the pair of electrodes and one of the source region and the drain region. Semiconductor devices and systems including the volatile memory cells and related methods of operating the volatile memory cells are also described.
Fabrication of vertical doped fins for complementary metal oxide semiconductor field effect transistors
A method of forming a fin field effect transistor (finFET) with a doped substrate region, including forming a plurality of vertical fins on a substrate, forming a first dopant source on one or more of the plurality of vertical fins, wherein the first dopant source is not formed on at least one vertical fin, forming a second dopant source on the at least one vertical fin that does not have a first dopant source formed thereon, and heat treating the plurality of vertical fins on the substrate, the first dopant source, and the second dopant source, wherein the heat treatment is sufficient to cause a first dopant from the first dopant source to diffuse into at least a first portion of the substrate, and a second dopant from the second dopant source to diffuse into at least a second portion of the substrate.
Resistance mitigation in physical design
Various implementations described herein are directed to an integrated circuit with mitigated resistance. The integrated circuit may include a cell having a plurality of transistors including a first transistor of a first type and a second transistor of a second type that is different from the first type. The integrated circuit may include a first wire coupling the first transistor to the second transistor. The integrated circuit may include a second wire coupling the first wire to an output routing wire. The integrated circuit may include a redundant wire further coupling the first wire to the output routing wire.
Semiconductor device including fin structures and manufacturing method thereof
A semiconductor device includes device areas where a Fin FET is disposed and a non-device area disposed between the device areas, which includes a dummy structure. The Fin FET includes a fin structure having a well region including a first semiconductor layer, a stressor region including a second semiconductor layer and a channel region including a third semiconductor layer; an isolation region in which the well region is embedded, and from which at least an upper port of the channel region is exposed; a gate structure disposed over a part of the fin structure. The dummy structure in the non-device area includes a first dummy layer formed over the first semiconductor layer and made of a different material from the stressor region, and a second dummy layer formed over the first dummy layer and made of a different material from the channel region.
Structures and methods for fabricating semiconductor devices using fin structures
A shallow trench isolation (STI) structure is formed on a substrate. Part of the STI structure is removed to form a first fin structure and a second fin structure extending above a support structure on the substrate. A first part of the STI structure is located between the first fin structure and the second fin structure and has a first top surface higher than an interface between the first fin structure and the support structure. A second part of the STI structure is located adjacent to the first fin structure and has a second top surface lower than the interface between the first fin structure and the support structure. An etching process is performed to remove part of the first fin structure and the second fin structure. Part of the support structure adjacent to the second part of the STI structure is removed during the etching process.
Semiconductor device and structure
An Integrated Circuit device, including: a base wafer including single crystal, the base wafer including a plurality of first transistors; at least one metal layer providing interconnection between the plurality of first transistors; and a second layer of less than 2 micron thickness, the second layer including a plurality of second single crystal transistors, and the second layer overlying the at least one metal layer; wherein the material composition of at least one of the plurality of second single crystal transistors is substantially different than the material composition of at least one of the plurality of first transistors.
Semiconductor device and an electronic apparatus
A semiconductor device includes a P-type substrate, and an N-well in the P-type substrate. A first N+ diffusion region is located in the P-type substrate, and a first P+ diffusion region is located in the N-well. A second P+ diffusion region is located across a boundary between the P-type substrate and the N-well. A first gate electrode overlies the N-well between the first P+ diffusion regions and the second P+ diffusion region. A second gate electrode overlies the P-type substrate between the second P+ diffusion region and the first N+ diffusion region. The first P+ diffusion region, the N-well, the P-type substrate, and the first N+ diffusion region form an SCR (Silicon-Controlled rectifier) device. The first P+ diffusion region, the second P+ diffusion region, and the first gate electrode form a PMOS transistor. The second P+ diffusion region, the first N+ diffusion region, and the second gate electrode form a gated diode.
Plasma protection diode for a HEMT device
A silicon substrate having a III-V compound layer disposed thereon is provided. A diode is formed in the silicon substrate through an ion implantation process. The diode is formed proximate to an interface between the silicon substrate and the III-V compound layer. An opening is etched through the III-V compound layer to expose the diode. The opening is filled with a conductive material. Thereby, a via is formed that is coupled to the diode. A High Electron Mobility Transistor (HEMT) device is formed at least partially in the III-V compound layer.
Semiconductor device having mesh-patterned wirings
A semiconductor device includes a mesh-patterned power source wiring that supplies respective circuits with a power source voltage supplied to a plurality of locations at an outer periphery of the semiconductor device. The semiconductor device also includes a back-biasing wiring supplying, to a semiconductor substrate, a substrate voltage that controls a threshold voltage of a semiconductor element. The back-biasing wiring includes a upper layer mesh wiring that receives a supply of a substrate voltage, and a lower layer mesh wiring that is provided in a different wiring layer from the upper layer mesh wiring. The outer peripheries of the upper layer mesh wiring and the lower layer mesh wiring are connected to each other through plural vias.
A commutation cell having at least one electrical capacitor, at least one controllable semiconductor switch and at least one semiconductor which is connected in series with the controllable semiconductor switch. The commutation cell has three circuit substrates situated in parallel with one another. The controllable semiconductor switch is connected in series with the semiconductor via a circuit substrate situated partially between the controllable semiconductor switch and the semiconductor, and the two remaining circuit substrates being connected to one another in an electrically conductive manner via a subassembly made up of the controllable semiconductor switch, the semiconductor and the circuit substrate situated partially between the controllable semiconductor switch and the semiconductor, the electrical capacitor being switched between the two remaining circuit substrates, separately from the subassembly.
Through silicon via sharing in a 3D integrated circuit
The present disclosure generally relates to semiconductor structures and, more particularly, to intelligent through silicon via sharing in 3D-IC integrated structures and methods of manufacture. The structure includes: a plurality of stacked dies each containing at least one macro device; and a layer structure positioned between the plurality of stacked dies which comprises a control structured to route signals between the at least one macro device of a first stacked die and the at least one macro device of a second stacked die of the plurality of stacked dies.
Flipped die stack assemblies with leadframe interconnects
A microelectronic assembly includes a stack of microelectronic elements, e.g., semiconductor chips, each having a front surface defining a respective plane of a plurality of planes. A leadframe interconnect joined to a contact at a front surface of each chip may extend to a position beyond the edge surface of the respective microelectronic element. The chip stack is mounted to support element at an angle such that edge surfaces of the chips face a major surface of the support element that defines a second plane that is transverse to, i.e., not parallel to the plurality of parallel planes. The leadframe interconnects are electrically coupled at ends thereof to corresponding contacts at a surface of the support element.
Multi-level chip interconnect
Representative implementations of devices and techniques provide optimized electrical performance of interconnectivity components of multi-layer integrated circuits (IC) such as chip dice, for example. Different layers of the multi-layer IC include contact terminals that may be used to connect to circuits, systems, and carriers external to the IC.
Tin alloy electroplating solution for solder bumps including perfluoroalkyl surfactant
Disclosed is a tin-based electroplating solution for forming solder bumps of a flip chip package. The tin-based electroplating solution includes tin methanesulfonate, silver methanesulfonate, methanesulfonic acid, a fluorinated surfactant, an aromatic polyoxyalkylene ether, and water. Also disclosed is a method for forming solder bumps by using the electroplating solution. The method includes (1) electroplating a silicon wafer having a protective layer through which an electrode pad is exposed and an under bump metallurgy (UBM) layer with a copper or copper/nickel plating solution to form copper or copper/nickel pillars on the under bump metallurgy layer and (2) electroplating the pillars with the tin-based electroplating solution to form solder bumps.
Monolithic microwave integrated circuits
Low Q associated with passive components of monolithic integrated circuits (ICs) when operated at microwave frequencies can be avoided or mitigated using high resistivity (e.g., ≧100 Ohm-cm) semiconductor substrates and lower resistance inductors for the IC. This eliminates significant in-substrate electromagnetic coupling losses from planar inductors and interconnections overlying the substrate. The active transistor(s) are formed in the substrate proximate the front face. Planar capacitors are also formed over the front face of the substrate. Various terminals of the transistor(s), capacitor(s) and inductor(s) are coupled to a ground plane on the rear face of the substrate using through-substrate-vias to minimize parasitic resistance. Parasitic resistance associated with the planar inductors and heavy current carrying conductors is minimized by placing them on the outer surface of the IC where they can be made substantially thicker and of lower resistance. The result is a monolithic microwave IC previously unobtainable.
Semiconductor module having a solder-bonded cooling unit
A semiconductor module including an insulated circuit substrate having a substrate, a circuit layer on a front surface of the substrate, and a metal layer on a back surface of the substrate; a semiconductor element electrically connected to the circuit layer; a cooling unit having a ceiling board bonded to the metal layer, a bottom board opposite the ceiling board, a side wall connecting a periphery of the ceiling board and a periphery of the bottom board, and a fin connecting the ceiling board and bottom board, where thickness of the ceiling board is at least 0.5 mm and at most 2.0 mm and total thickness of the ceiling board and bottom board is at least 3 mm and at most 6 mm; and a solder layer that bonds together the metal layer and the ceiling board by melting at a temperature of at least 200° C. and at most 350° C.
Semiconductor arrangement having an overlay alignment mark with a height shorter than a neighboring gate structure
Among other things, one or more semiconductor arrangements, and techniques for forming such semiconductor arrangements are provided. A layer, such as a poly layer or an inter layer dielectric (ILD) layer, is formed over a substrate. A photoresist mask is formed over the layer. The photoresist mask comprises an open region overlaying a target region of the layer and comprises a protection region overlaying a second region of the layer. An etching process is performed through the open region to reduce a height of the layer in the target region in relation to a height of the layer in the second region because the protection region inhibits the etching process from affecting the layer in the second region. A first structure, having a first height, is formed within the target region. A second structure, having a second height greater than the first height, is formed within the second region.
Formation of copper layer structure with self anneal strain improvement
A copper layer structure includes a first copper layer, a second copper layer and a carbon-rich copper layer. The second copper layer is disposed over the first copper layer. The carbon-rich copper layer is sandwiched between the first copper layer and the second copper layer. A carbon concentration of the carbon-rich copper layer is greater than a carbon concentration of the first copper layer and a carbon concentration of the second copper layer.
Power line layout structure for semiconductor device
A power line layout structure of the semiconductor device may include first through fifth power lines. The first and second power lines may be located at a first layer, and may provide different types of power-supply voltages. The third power line may be located at a second layer disposed at a level different from that of the first layer. The third power line may be coupled to the first power line through a first contact, and may extend in the same direction as the first power line. The fourth power line may be located at the second layer, and may be coupled to the second power line through a second contact. The fourth power line may extend in the same direction as the second power line. The fifth power line may be disposed between the first power line and the second power line in the first layer.
A semiconductor device may be provided. The semiconductor device may include conductive patterns surrounding a channel film. The conductive patterns may be stacked and spaced apart from one another. The semiconductor device may include a gate contact plug coupled to one of the conductive patterns. The semiconductor device may include support pillars penetrating the conductive patterns in a periphery of the gate contact plug.
Apparatuses including stair-step structures and methods of forming the same
Methods for forming semiconductor structures are disclosed, including a method that involves forming sets of conductive material and insulating material, forming a first mask over the sets, forming a first number of contact regions, forming a second mask over a first region of the sets, and removing material from of the sets in a second, exposed region laterally adjacent the first region to form a second number of contact regions. Another method includes forming first and second contact regions on portions of sets of conductive materials and insulating materials, each of the second contact regions more proximal to an underlying substrate than each of the first contact regions. Apparatuses such as memory devices including laterally adjacent first and second regions each of which including contact regions of a different portion of a plurality of conductive materials and related methods of forming such devices are also disclosed.
Electrical fuse and/or resistor structures
Electrical fuse (eFuse) and resistor structures and methods of manufacture are provided. The method includes forming metal gates having a capping material on a top surface thereof. The method further includes protecting the metal gates and the capping material during an etching process which forms a recess in a dielectric material. The method further includes forming an insulator material and metal material within the recess. The method further includes forming a contact in direct electrical contact with the metal material.
Semiconductor device and method of manufacturing the same
In one embodiment, a semiconductor device includes an insulator. The device further includes a plug provided in the insulator, the plug including a first barrier metal layer and a first conductive layer that is provided on the first barrier metal layer. The device further includes an interconnect provided outside the insulator, the interconnect being provided on the plug and the insulator and including the first barrier metal layer, the first conductive layer and a second conductive layer that is provided on the first conductive layer.
Semiconductor package with clip alignment notch
An electronic component includes a leadframe and a first semiconductor die. The leadframe includes a leadframe top side, a leadframe bottom side opposite the leadframe top side, and a top notch at the leadframe top side. The top notch includes a top notch base located between the leadframe top side and the leadframe bottom side, and defining a notch length of the top notch, and can also include a top notch first sidewall extended, along the notch length, from the leadframe top side to the top notch base. The first semiconductor die can include a die top side a die bottom side opposite the die top side and mounted onto the leadframe top side, and a die perimeter. The top notch can be located outside the die perimeter. Other examples and related methods are also disclosed.
Lead frame, method for manufacturing lead frame, semiconductor device, and method for manufacturing semiconductor device
A lead frame includes a die pad and a plurality of lead portions each including an internal terminal and an external terminal. The external terminals of the plurality of lead portions are arranged in an alternately staggered form such that the respective external terminals of a pair of lead portions adjacent to each other are alternatively located on an inside or an outside. A lead portion has an inside region located on the inside of a first external terminal, an outside region located on the outside of the first external terminal, and an external terminal region having the first external terminal. The inside region and the outside region are each formed thin by means of half etching. A maximum thickness of the outside region is larger than a maximum thickness of the inside region.
Heat spreading in molded semiconductor packages
A molded semiconductor package comprises a substrate, a semiconductor die mounted on the substrate, a molding compound encircling the die on the substrate, and one or more heat conductors in the molding compound that are thermally coupled to the substrate. Advantageously, the heat conductors are mounted in the molding compound near one or more of the corners of the die. The package may also include a lid. The heat conductors produce a more uniform distribution of heat in the substrate. The package is assembled by mounting the die on the substrate, mounting the heat conductors on the substrate and applying the molding compound to the substrate, the die, and the heat conductors mounted on the substrate. For packages that use a lid, the lid is then secured to the package and coupled to the heat conductors.
Method of manufacture for a semiconductor device
A method of manufacture for a semiconductor device is disclosed. The method includes providing a semiconductor stack structure that includes a device terminal of a semiconductor device, and having a first surface and a buried oxide (BOX) layer attached to a wafer handle. Another step includes disposing a polymeric layer that includes a polymer and an admixture that increases thermal conductivity of the polymer onto the first surface of the semiconductor stack structure. Another step involves removing the wafer handle from the BOX layer to expose a second surface of the semiconductor stack structure, and yet another step involves removing a portion of the semiconductor stack structure to expose the device terminal.
Cooling device and device
Heat dissipaters 120a, 120b are thermally coupled to a memory 220 and a CPU 230 (heat generating components) disposed on a top surface (a first surface) of a substrate 210. A frame 130 is thermally conductive and is attached above the top surface of the substrate 210. Openings 131 are formed in locations corresponding to locations in the frame 130 where the heat dissipaters 120a, 120b are provided. Elastic rubber elements 150 are thermally conductive and flexible, and thermally couple the heat dissipaters 120a, 120b to the frame 130. This configuration is capable of dissipating heat generated by the heat generating components even when the heat generating components generate amounts of heat that exceed the heat dissipation ability of the heat dissipaters thermally coupled to the heat generating components.
Thermosetting resin molded article
A thermosetting resin molded article including: a metal member; a first thermosetting resin layer containing a chelating agent in an amount of 0.5% by mass or more; and a second thermosetting resin layer containing no chelating agent or containing a chelating agent in an amount of less than 0.5% by mass, in which the metal member, the first thermosetting resin layer, and the second thermosetting resin layer are stacked in this order is provided. A semiconductor device including: a semiconductor element mounted on a substrate and metal members, which are sealed with a sealant, in which the sealant includes: a first thermosetting resin layer stacked on the semiconductor element and the metal member; and a second thermosetting resin layer stacked on the first thermosetting resin layer is also provided.
The present application relates to a cured product and the use thereof. When the cured product, for example, is applied to a semiconductor device such as an LED or the like, the decrease in brightness may be minimized even upon the long-term use of the device, and since the cured product has excellent cracking resistance, the device having high long-term reliability may be provided. The cured product has excellent processability, workability, and adhesive properties or the like, and does not cause whitening and surface stickiness, etc. Further, the cured product exhibits excellent heat resistance at high temperature, gas barrier properties, etc. The cured product may be, for example, applied as an encapsulant or an adhesive material of a semiconductor device.
Method and apparatus for testing a flip-chip assembly during manufacture
Techniques for electrically testing a flip-chip assembly during its manufacture include a flip-chip assembly having an integrated circuit (IC) die and an IC package substrate. The IC package substrate is placed on a substrate part holder that includes test sockets and heating elements. The IC die is then placed on the placed IC package substrate. The placed IC die and IC package substrate are aligned such that conductive contacts are formed from conductive bumps and pads deposited on the surface of the IC die and IC package substrate. While the bumps and pads are in conductive contact, but prior to attachment, the flip-chip assembly is electrically tested. If the flip-chip assembly passes electrical testing, the conductive contacts may be attached by the heating elements on the substrate part holder, such as in a solder reflow process when the bumps are made from solder.
Forming CMOSFET structures with different contact liners
A method of making a semiconductor device includes forming a first trench contact over a first source/drain region of a first transistor; forming a second trench contact over a second source/drain region of a second transistor; depositing a first liner material within the first trench contact; and depositing a second liner material within the second trench contact; wherein the first liner material and the second liner material include different materials.
Vertical fin field effect transistor (V-FinFET), semiconductor device having V-FinFET and method of fabricating V-FinFET
A vertical fin field effect transistor (V-FinFET) is provided as follows. A substrate has a lower source/drain (S/D). A fin structure extends vertically from an upper surface of the lower S/D. The fin structure includes a sidewall having an upper sidewall portion, a lower sidewall portion and a center sidewall portion positioned therebetween. An upper S/D is disposed on an upper surface of the fin structure. An upper spacer is disposed on the upper sidewall portion. A lower spacer is disposed on the lower sidewall portion. A stacked structure including a gate oxide layer and a first gate electrode is disposed on an upper surface of the lower spacer, the center sidewall portion and a lower surface of the upper spacer. A second gate electrode is disposed on the first gate electrode.
FinFETs with nitride liners and methods of forming the same
An integrated circuit structure includes a semiconductor substrate, which includes a semiconductor strip. A Shallow Trench Isolation (STI) region is on a side of the semiconductor strip. The STI region includes a first portion comprising an oxide and a second portion free from oxide. The second portion separates the first portion from the semiconductor substrate. A semiconductor fin is over and aligned to the semiconductor strip, wherein the semiconductor fin is higher than a top surface of the STI region.
Formation method of semiconductor device structure
A method for forming a semiconductor device structure is provided. The method includes forming a gate stack over a semiconductor substrate and forming a dummy shielding layer over the semiconductor substrate and the gate stack. The method also includes forming source and drain features near the gate stack after the dummy shielding layer is formed. The method further includes removing the dummy shielding layer after the source and drain features are formed such that substantially no dummy shielding layer remains on the source and drain features.
Method of forming mandrel and non-mandrel metal lines having variable widths
A method includes providing a semiconductor structure having a silicon mandrel layer, a hardmask stack and a dielectric layer. A 1st portion and a 2nd portion of the mandrel layer are doped with a 1st concentration and a 2nd greater concentration of dopant respectively. 1st and 2nd mandrels are patterned into the 1st and 2nd portions of the mandrel layer respectively. The 1st and 2nd mandrels are oxidized in the same thermal oxidation process to form 1st oxidation spacers on sidewalls of the 1st mandrels and 2nd oxidation spacers on sidewalls of the 2nd mandrels. The 2nd oxidation spacers have a thickness that is greater than a thickness of the 1st oxidation spacers. The 1st and 2nd oxidation spacers are utilized to form 1st and 2nd metal lines respectively in the dielectric layer. The 1st and 2nd metal lines have a different thickness.
Methods of forming nanosheets on lattice mismatched substrates
Methods of forming nanosheets for a semiconductor device are provided including providing a silicon on insulator (SOI) handle wafer, the SOT handle wafer including a silicon layer and a dielectric layer on the silicon layer; providing a first donor wafer; bonding the SOI handle wafer and the first donor wafer together to provide a bonded structure; debonding the bonded structure to provide an intermediate wafer including a plurality of silicon or non-silicon nanosheets and a plurality of dielectric layers alternately stacked; and bonding the intermediate wafer to a second donor wafer to provide a final wafer including a plurality of silicon or non-silicon layers and a plurality of dielectric layers alternately stacked, wherein the final wafer includes at least one more pair of silicon or non-silicon and dielectric layers than the intermediate wafer.
RC-stacked MOSFET circuit for high voltage (HV) electrostatic discharge (ESD) protection
Devices and methods of forming an integrated circuit (IC) that offer protection against ESD in high voltage (HV) circuit applications are disclosed. A device includes N ones of a field effect transistor (FET) stacked in series to provide an N-level stack, where N is an integer greater than 1. A first pad of the device is coupled to a first FET and a second pad is coupled to an Nth FET. The device also includes a stacked/distributed RC control circuit configured to cause a short circuit between the first pad and the second pad in response to an ESD event. During the ESD event, the RC control circuit is configured to concurrently provide sufficient voltage to control the N ones of the FET by turning them on using parasitic conduction to cause the short circuit.