Advanced heat exchanger with integrated coolant fluid flow deflector
A pin fin cooling system may include at least one first surface defining at least a base portion of the cooling system, and at least one pin fin array of a plurality of pin fins and at least one coolant fluid flow detector extending from the first surface. The coolant fluid flow deflector may be configured to split a coolant fluid flow from a primary flow into at least two secondary flows that follow a predetermined path over local heat sources, and may have a maximum wall thickness that is equal to a diameter of a cross-section of one of the pin fins. The cooling system may further include at least one boundary fin extending from the first surface that is in the shape of a spline, at least a portion of which may correspond and match at least a portion of a pattern of the pin fin array.
Sliding rail fixing structure of server cabinet
A sliding rail fixing structure in a server includes a sliding rail, a fastening plate with a fastening seat, and a clip. The fastening plate defines a restriction hole. The fastening seat includes a supporting member. The supporting member passes through the restriction hole to be positioned at a side of the fastening seat. A size of the supporting member matches a size of an installing hole defined on a pillar. The supporting member is positioned in the installing hole when the pillar is positioned at the side of the fastening seat. The clip can rotate on the fastening seat and includes a hook portion. The hook portion hooks onto the pillar to assemble the pillar to the sliding rail fixing structure. When the clip rotates through a preset angle, the hook portion moves away from the pillar to disassemble the pillar.
Electronics housing and manufacturing method of electronics housing
An electronics housing includes a base body and a metal plating layer formed on a surface of the base body. The base body includes an upper cover, a lower cover and a metal ring. The upper cover and the lower cover are integrally fused by virtue of an ultra high frequency technology, and the metal ring is embedded between the upper cover and the lower cover. A nickel-deposited layer of the metal plating layer is electrolessly deposited on the surface of the base body. A copper layer of the metal plating layer is plated on the nickel-deposited layer. A nano-nickel layer of the metal plating layer is plated on the copper layer. A surface decoration layer of the metal plating layer is plated on the nano-nickel layer. The base body together with the metal plating layer defines at least one assembling hole.
Method of forming a circuit for interconnecting electronic devices
Provided are interconnect circuits for interconnecting arrays of devices and methods of forming these interconnect circuits as well as connecting these circuits to the devices. An interconnect circuit may include a conductive layer and one or more insulating layers. The conductive layer may be patterned with openings defining contact pads, such that each pad is used for connecting to a different electrical terminal of the interconnected devices. In some embodiments, each contact pad is attached to the rest of the conductive layer by a fusible link formed from the same conductive layer as the contact pad. The fusible link controls the current flow to and from this contact pad. The insulating layer is laminated to the conductive layer and provides support to the contacts pads. The insulating layer may also be patterned with openings, which allow forming electrical connections between the contact pads and cell terminals through the insulating layer.
Method for producing soft magnetic film laminate circuit board
A method for producing a soft magnetic film laminate circuit board having a soft magnetic film laminated on at least one side of a circuit board includes the steps of bringing a soft magnetic thermosetting film containing soft magnetic particles, having a porosity of 15% or more and 60% or less, and in a semi-cured state into contact with the one side of the circuit board and bringing the soft magnetic thermosetting film into a cured state by vacuum hot pressing.
Board-mounted circuit breakers for electronic equipment enclosures
A board-mounted circuit breaker assembly for an electronic equipment enclosure includes a printed circuit board having a plurality of quick-connect terminals and a circuit breaker. The circuit breaker includes a housing and a plurality of quick-connect terminals that are at least partially recessed into a portion of the housing to reduce the overall “z”-height of the circuit breaker. The quick-connect terminals on the circuit breaker are adapted to mechanically and electrically connect to the quick-connect terminals on the printed circuit board.
Radiant heat circuit board and method for manufacturing the same
Disclosed are a radiant heat circuit board and a method for manufacturing the same. The radiant heat circuit board, which is used to mount a heat emitting device thereon, includes a metallic plate including a metallic protrusion having a solder to which the heat emitting device is attached, a bonding layer on the metallic protrusion, an insulating layer on the metallic plate to expose the metallic protrusion, and a circuit pattern on the insulating layer. Heat emitted from the heat emitting device is directly transferred to the metallic plate by providing the metallic plate including a heat radiation protrusion under the mounting pad, so that heat radiation efficiency is increased. The surface of the heat radiation protrusion is plated with an alloy including copper, thereby improving the adhesive property with respect to the solder, so that the failure rate is reduced.
Method of interconnecting microchips
Apparatuses and methods related to the field of microchip assembly and handling, in particular to devices and methods for assembling and handling microchips manufactured with solid edge-to-edge interconnects, such as Quilt Packaging® interconnect technology. Specialized assembly tools are configured to pick up one or more microchips, place the microchips in a specified location aligned to a substrate, package, or another microchip, and facilitate electrical contact through one of a variety of approaches, including solder reflow. This specialized assembly tooling performs heating functions to reflow solder to establish electrical and mechanical interconnections between multiple microchips. Additionally, the interconnected microchips may be arranged in an arbitrarily large array.
Multilayer wiring board
A method reduces an area of a mounting electrode provided on a first surface of a multilayer body and connected to a specific component is reduced and decreases a pitch between mounting electrodes. A plating film is formed on the mounting electrodes with the reduced area. The mounting electrodes for connection to specific components are defined by first end surfaces of first via conductors, and hence, the areas of the mounting electrodes are significantly reduced, and the pitch between the mounting electrodes is significantly decreased. Also, the mounting electrodes defined by the first end surfaces of the first via conductors are connected to plane electrodes at end surfaces of second via conductors exposed from a surface of the multilayer body with internal wiring electrodes interposed therebetween. Thus, a plating film is able to be reliably provided on the mounting electrodes.
Printed circuit assembly for a solenoid module for an automatic transmission
A printed circuit assembly (PCA) that provides for a method of rebuilding an electrically operated automatic transmission solenoid module. The PCA allows for a repairable yet rugged interconnection of several solenoids that reside within the span of the module assembly.
Device including a metallization layer and method of manufacturing a device
A device comprises a base element and a metallization layer over the base element. The metallization layer comprises pores and has a varying degree of porosity, the degree of porosity being higher in a portion adjacent to the base element than in a portion remote from the base element.
Package for optical semiconductor device
A package for an optical semiconductor device includes an eyelet, a signal lead inserted in a through hole formed in the eyelet, and sealing glass sealing the signal lead in the through hole. The signal lead includes a first portion, a second portion and a third portion that are greater in diameter than the first portion and on opposite sides of the first portion, a first tapered portion extending from the second portion to the first portion, and a second tapered portion extending from the third portion to the first portion. The first portion and the first and second tapered portions are buried in the sealing glass. The total length of a part of the second portion in the sealing glass and a part of the third portion in the sealing glass is 0.2 mm or less.
Transparent conductor and optical display apparatus comprising the same
A transparent conductor includes a base layer, and a transparent conductive film on one or both sides of the base layer, the transparent conductive film including a metal nanowire, where the base layer includes a retardation film. An optical display apparatus includes the transparent conductor. The transparent conductor may compensate for a viewing angle of the optical display apparatus.
Cased electrical component
The invention relates to a cased electrical component comprising a carrier substrate (10), a spring device (20), which is arranged on the carrier substrate (10), a chip (30), which on a first side (31) of the chip is coupled to the spring device (20), and a cover element (100), which is arranged on the carrier substrate (10). The cover element (100) is arranged over the chip (20) such that the cover element (100) is in contact with the chip (30) at least on a second side (32) of the chip, which is different from the first side. The component has a low space requirement and is highly sealed with respect to influences from the surroundings.
Plasma treatment apparatus
Provided is a plasma treatment apparatus capable of uniform substrate treatment by correction of unevenness in a plasma density distribution. The apparatus has a configuration such that a substrate is treated with plasma, and an evacuated container is provided with an annular antenna arranged around an outer periphery of the container, and is formed of a power supply container, and a process container where the substrate is placed, which communicates with an internal space of the power supply container. The plasma is generated in the power supply container by radio-frequency power supplied to the antenna. The plasma is diffused into the process container by a magnetic field of solenoid coils arranged around an outer periphery of the antenna. The inclination of the magnetic field is adjusted by an inclination adjustment means for adjusting the inclination of the solenoid coils with respect to the process substrate.
Apparatus for generating extreme ultra-violet beam using multi-gas cell modules
Provided is an extreme ultra-violet (EUV) beam generation apparatus using multi-gas cell modules in which a gas is prevented from directly flowing into a vacuum chamber by adding an auxiliary gas cell serving as a buffer chamber to a main gas cell, a diffusion rate of the gas is decreased, a high vacuum state is maintained, and a higher power EUV beam is continuously generated.
Solid-state lighting operable with ballasts and line voltages without ambiguity
A light-emitting diode (LED) lamp using an LED driving circuit, at least two frequency sensitive devices, at least six diodes configured to convert an AC voltage into a DC voltage and manage electric current flows, a switch control module, and a return current switch operates normally with an input voltage from either ballast or line voltages of AC mains. The LED driving circuit may be configured to operate normally only with the AC mains providing a regulated power and a current to LED arrays. When an input AC voltage is applied to the LED lamp, the at least six diodes and the at least two frequency sensitive devices can detect the input AC voltage, control electric current flowing into the switch control module or the LED driving circuit, and complete current returns so that the LED lamp can operate with either the ballast or the AC mains without operational ambiguity.
Methods and systems for semi-autonomous lighting control
Systems and methods are provided for semi-automatic light control systems which support, amongst other features, receiving a light controlling values from one or more users and choosing an optimal light value based on the aggregated preferences of the present users. The lighting elements of the lighting system are further adjusted based on user perception profiles and other parameters. A semi-automatic determination may be made of a second light controlling value based on the first light controlling value and a user perception profile relating light parameter values with perceived light output values. Lighting element operation may be incrementally adjusted to meet the second light parameter value over a predetermined time period.
Dynamic lighting for head mounted device
A head mounted device includes a helmet, an ambient light sensor, a pupil dimension sensor, a lighting element, and a dynamic lighting system. The ambient light sensor is disposed in an outside surface of the helmet and measures ambient light outside the helmet. The pupil dimension sensor is disposed in a housing of the helmet and measures a size of a pupil of a wearer of the helmet. The lighting element is disposed in the outside surface of the helmet. The dynamic lighting system controls the lighting element and adjusts an intensity of the lighting element based on the ambient light and the pupil size of the wearer of the helmet.
AC LED driver circuit
An LED driver circuit controls the currents through a plurality of strings of light-emitting diodes (LEDs), which are connected in series. Each LED string has an associated current regulator. The LED strings are connected between the voltage rail and a reference rail on the output of an AC-to-DC rectifier to receive an unfiltered rectified DC voltage. A first current regulator is active during a first voltage range of the DC voltage to provide a current of a first magnitude to a first LED string only. A second current regulator is active during a second voltage range to provide a current of a second magnitude to the first LED string and to a second LED string. A third current regulator is active during a third voltage range to provide a current of a third magnitude to the first LED string, to the second LED string and to a third LED string.
Color mixing for solid state lighting using direct AC drives
Techniques are described to allow a low-cost light fixture to produce light with a relatively high color rendering index (CRI) across a range of color temperatures. A rectified AC voltage may be provided to multiple groups of light-emitting diodes (LEDs) having characteristics related to a range of color temperatures and a target CRI level. The multiple groups of LEDs may be controlled based on a received control signal, such that the combined groups of LEDs produce combined light having a produced color temperature within the range of color temperatures, and having a produced CRI level that is approximately the target CRI level. In some implementations, the received control signal is modified by a modification circuit, and the multiple groups of LEDs may be controlled based on the modified control signal.
Adjusting color temperature in a dimmable LED lighting system
A LED lighting system, such as a dimmable LED lamp, that may simulate the performance of an incandescent bulb. LED strings of different colors may be connected to the output of a single LED driver that regulates an overall intensity of light produced by the LED lighting system. The color of the LED lighting system may be controlled by circuitry, such as one or more switches, that allocates current between the LED strings to change the color temperature of light emitted by the LED lighting system as the light intensity changes.
Dimmable LED driving system and method for reducing flicker
A method of controlling a dimmable light emitting diode (LED) system includes defining two or more dimming regions having respective dimming levels applied to one or more strings of LEDs, continuously supplying a current to the one or more strings of LEDs in a first dimming region, and maintaining an average peak value of the current substantially the same and adjusting a duty cycle of a pulse width modulation (PWM) control signal in a second dimming region to supply the current according to the PWM control signal.
Current adjustment apparatus for LED lighting fixture
The current adjustment apparatus includes a communication interface, a current generating module, and a current adjustment module. The current generating module includes a microprocessor, a memory for storing a current setting parameter, and a current generating unit; the memory and the current generating unit are electrically connected to the microprocessor. When the current adjustment module is not physically connected to the current generating module, the microprocessor makes the current generating unit generate a driving current in response to the current setting parameter; when the current adjustment module is physically connected to the current generating module via the communication interface, the microprocessor makes the current generating unit generate the driving current in accordance with a setting signal from the current adjustment module, and the microprocessor further overwrites the current setting parameter in accordance with the setting signal when receives a writing signal.
Infrared circuit for single battery and remote controller using the same
An infrared circuit for a single battery and a remote controller using the same are provided. The single battery outputs a battery voltage. The infrared circuit comprises an IR LED circuit, an inductor and a microcontroller. The IR LED circuit is coupled between the battery voltage and a common voltage. The inductor is coupled between the battery voltage and the common voltage. The microcontroller has an I/O port coupled to the inductor and the IR LED circuit. When infrared rays are emitted, the microcontroller controls the battery voltage to charge the inductor through the I/O port, and a continuous current of the inductor forces the IR LED circuit to turn on.
High efficiency driver circuitry for a solid state lighting fixture
Driver circuitry is coupled between a power supply and at least one LED in a solid-state lighting fixture, such that a non-isolated direct current (DC) path exists between the power supply and the at least one LED. The driver circuitry is configured to receive an AC input voltage and generate a driver output current for driving the at least one LED from the AC input voltage. By using driver circuitry that is non-isolated from the at least one LED in the solid-state lighting fixture, the efficiency of the driver circuitry may be increased, while simultaneously reducing the cost and complexity of the driver circuitry compared to conventional driver circuitry.
Cooking assistance device, cooking assistance method, and cooking assistance system
Provided is a cooking assistance device for providing information that assists cooking using a cooking appliance based on a measurement result of power consumption of the cooking appliance. The cooking assistance device includes a storage unit that stores information that relates to power consumption in cooking, an acquisition unit that acquires a measurement value that relates to power consumption of the cooking appliance, and an output unit that outputs the measurement value and the information that relates to power consumption in cooking.
System and method for uniform microwave heating
A microwave heater comprises a cylindrical housing having an inner surface defining an internal cavity. A microwave generator is secured adjacent a first end of the housing and received inside the internal cavity is a sample holder that comprises an annular base member positioned adjacent the first end has a central axis coinciding with a longitudinal axis of the housing. A first opening is formed along the central axis, an outlet of the microwave generator extending through the first opening along the central axis for emitting into the internal cavity electromagnetic waves centered at a given microwave wavelength. A circular support plate substantially parallel to the base member and concentric therewith, a cavity portion defined therebetween, is separated from the base member by a distance less than the given microwave wavelength for establishing a Transverse Magnetic (TM) 01 mode as a predominant resonance mode inside the cavity portion.
Electromagnetic wave reducing heater
A heater with reduced electromagnetic wave emissions, which has two heating elements separated by an insulating layer and receiving opposite-phase alternating current in a way that cancels out electromagnetic wave emissions.
Heating assembly for a thermostatic valve and corresponding production method, and a thermostatic valve comprising such an assembly
This heating assembly comprises a thermally conductive tube (42), to be immersed in a thermally expandable material of a thermostatic element of a valve, an electric heating resistor disposed inside the tube and from which there extend electrically conductive wires (62), and a unitary housing (1) made from plastic, through which the fluid to be regulated flows via the valve, and which is secured by over-molding of a longitudinal end portion (44) of the tube. In order to make the molding of the over-molded housing simple and inexpensive to carry out, while being easy to adapt to various geometric forms of the heating assembly, the invention proposes that, before the housing is molded, a reinforcement (7) for supporting the wires outside the tube, which is separate from the housing, and to which the housing is secured by over-molding, can be securely mounted on the end portion of the tube and supports the wires outside the tube, said wires being externally mounted on the reinforcement, and, when the housing is being molded, keeps the wires in place while the plastic material of the housing coats these wires, the reinforcement and the end portion of the tube.
Mobile terminal and controlling method thereof
A mobile terminal and controlling method thereof are disclosed. The present invention includes a touchscreen; a memory configured to store access point (AP) information; a 1st wireless communication unit configured to perform a communication with an AP (access point); and a controller configured to control a user interface for remotely controlling an external device to be displayed on the touchscreen or to be in a displayable state when the AP connected to the 1st wireless communication unit matches the stored AP information.
Mobile communication system, base station, and user terminal
A user terminal according to one aspect executes a first and second DRX operations. The first DRX operation is an operation of discontinuously monitoring first control information, which is transmitted from the base station via PDCCH, using a C-RNTI that uniquely identifies the user terminal in a cell of the base station. The second DRX operation is an operation of discontinuously monitoring second control information, which is transmitted from the base station via the PDCCH, using a group RNTI assigned to a terminal group including the user terminal. The user terminal monitors the first control information in a first ON duration for the first DRX operation, and monitors the second control information in a second ON duration for the second DRX operation, the second ON duration being independent of the first ON duration.
Management and setup of enhanced MAC-E/ES resources in cell-FACH state
A method and apparatus are disclosed to manage the enhanced medium access control-e (MAC-e) and enhanced MAC-es resources and respective variables for the enhanced dedicated channel (E-DCH) in the enhanced Cell_FACH state. Due to the nature of the E-DCH transmission in the uplink (UL) in the Cell_FACH state and the fact that a wireless transmit/receive unit (WTRU) might set up and release the E-DCH resources more frequently, methods to deal with the TSN numbering are described.
Method, device, and storage medium for controlling signal transmission
A method for controlling signal transmission includes detecting whether there is a requesting terminal that requests to establish a wireless connection and turning off a sending function of sending beacon frames if there is no requesting terminal.
Method for allocating resource for device-to-device communication in wireless communication system and apparatus thereof
Disclosed in the present application is a method for transmitting/receiving a signal using device-to-device communication by a user equipment in a wireless communication system. More specifically, the method comprises the steps of: transmitting a first signal in contention slot included in one of a plurality of contention intervals; receiving, in response to the first signal, a second signal in the contention slot in which the first signal is transmitted; and transmitting/receiving a data signal or a response signal to the data signal in at least one time resource corresponding to the one of the plurality of contention intervals by using device-to-device communication.
Communication system, communication apparatus, control method thereof, and storage medium
A mobile terminal (communication apparatus) selects a data item that needs to be obtained from an MFP (information processing apparatus) according to a user instruction given via an operation screen. Upon establishment of NFC communication between the mobile terminal and an NFC tag of the MFP as a result of the mobile terminal being brought closer to the NFC tag by the user, the mobile terminal reads, from the NFC tag, connection information for connecting to the MFP by using the Wi-Fi Direct. The mobile terminal connects to the MFP by using the Wi-Fi Direct based on the obtained connection information, and obtains data corresponding to the selected data item from the MFP through the Wi-Fi Direct communication.
Method and apparatus for supporting multiple connections in 3GPP systems
A method and apparatus for establishing connectivity between a mobile node and a plurality of packet data networks. The method includes establishing a first connection between a mobile node and a first packet data network, the first connection being made through a first access network; establishing a second connection between the mobile node and a second packet data network, the second connection being made through a second access data network; establishing a third connection between the mobile node and the first packet data network, the third connection being made through the second access network; and simultaneously sending data from the mobile node to the first packet data network over the first connection and the third connection.
Notification triggered device management session
Systems and methods for a notification triggered device management session are described. A request for a device management session for a mobile station is received at a device management server. In response to determining that the mobile station is not connected to a cellular network, a home subscriber server is signaled to update a user equipment profile for the mobile station to indicate that the mobile station has a pending device management session. Upon connection of the mobile station to a first network, the mobile station is signaled to connect to the device management server for the device management session using a call session control function. The mobile station is connected with the device management server using the first network. The device management session is run using the first network connection between the mobile station and the device management server.
Method and system of triggering signal analysis combining time and frequency domain trigger criteria
A signal analyzer comprises: a first tuner configured to tune to a first frequency band and to output first tuner data; a memory device configured to store the first tuner data; a spectrum calculator configured to calculate a series of spectra for the first tuner data; a processor configured to determine a presence of a transmission of interest within the first tuner data based on the series of spectra; a second tuner configured to receive the first tuner data stored in the memory device and to tune to a second frequency band including the transmission of interest. The second tuner outputs second tuner data in response to the stored first tuner data. The signal analyzer also comprises a transmission start time detector configured to receive the second tuner data and to determine a start time for the transmission of interest from the second tuner data.
Method and apparatus for facilitating simultaneous transmission from multiple stations
A first communication device determines that each second communication device in a plurality of second communication devices has respective data to be transmitted to the first communication device. The first communication device transmits a request to the plurality of second communication devices to transmit data to the first communication device simultaneously during a transmit opportunity period of the first communication device. The first communication device receives data transmitted simultaneously by the plurality of second communication devices during the transmit opportunity period of the first communication device.
Method and apparatus in a wireless communications system
A method in a user equipment for requesting that a base station schedule the user equipment for an uplink data transmission to the base station is provided. The user equipment comprises a buffer. Directly or indirectly responsive to receiving data into the buffer to be transmitted to the base station, the user equipment generates a scheduling request trigger. The scheduling request trigger is configured to trigger the sending of a scheduling request to the base station if the trigger is pending at the next scheduling request opportunity, and to remain pending until it is cancelled. The user equipment cancels the pending scheduling request trigger when the data is accounted for in a buffer status report, which reports the size of the buffer to the base station, or when the data is included directly in a scheduled uplink data transmission whichever occurs first.
Dual band adaptive concurrent processing method and apparatus
Embodiments of the present invention provide a dual band adaptive concurrent processing method and apparatus. In the embodiments of the present invention, by using statistical information of services at first and a second frequency bands in the Nth adjustment period, performance of the services at the frequency bands in an adjustment period may be acquired. Based on the statistical information, and a quality of service (QoS) requirement that the services at the two frequency bands need to meet, a second coefficient of proportionality between timeslots occupied by the services at the two frequency bands in the (N+1)th adjustment period may be determined, so that switching control on first and second channels may be performed in the (N+1)th adjustment period according to the determined second coefficient of proportionality.
Method and system for scheduling group resources during trunking communication
The present disclosure provides a method and system for scheduling group resources during trunking communication. The method includes: classifying base stations connected to a trunking switch center into at least one co frequency base station set and marking a base station that cannot be classified into the at least one co frequency base station set as a different frequency base station according to central frequencies and home regions of the base stations; step when a group call is established, allocating the same trunking shared channel and designating the same packet delivery time to base stations in one co frequency base station set, and notifying each base station in the co frequency base station set of the trunking shared channel and the packet delivery time; and step the base stations in the co frequency base station set starting to send trunking packets on the trunking shared channel at the packet delivery time.
Optimizing the reach of a message beacon device
Systems and methods are disclosed for optimizing the reach of a message beacon device. The method may include identifying a plurality of transceivers associated with the message beacon device, analyzing each identified transceiver on the basis of a resource consumption associated with the identified transceiver, an interference of the identified transceiver with a different transceiver of the plurality of identified transceivers, a reach of the identified transceiver, or a combination thereof, selecting a transmission set from the plurality of identified transceivers based on the analysis of each identified transceiver, and transmitting a message beacon using each selected transceiver in the transmission set.
Interference reduction method used by base station and base station using the same
The disclosure is directed to an interference reduction method used by a base station, and a base station using the same method. In one of the exemplary embodiments, the disclosure is directed to an interference reduction method used by a base station. The method would include not limited to: receiving a first reference signal information associated with an interfering transmitter node; creating a cross-correlation matrix based at least on the first reference signal information and on a second reference signal information, wherein the second reference signal information is associated with an intended transmitter node; and generating an improved channel transfer function by applying the cross-correlation matrix to an estimated channel transfer function, wherein the estimated channel transfer function is associated with a received transmission from the intended transmitter node, and the improved channel transfer function is associated with the received transmission from the intended transmitter node.
Apparatus and method for configuring relay channel of mobile device
Embodiments of the present application provide an apparatus for configuring a relay channel of a mobile device, the apparatus including: a wireless access node connecting module configured to access to an external wireless access point through a station node of Wi-Fi inbuilt in the mobile device; a node channel inquiring module configured to inquire about a first channel over which the wireless access point operates; a relay channel calculating module configured to calculate a second channel without interference from and to the first channel; and a relay instruction sending module configured to send a relay instruction to an inbuilt Wi-Fi module through a P2P (Peer-to-Peer) node of Wi-Fi inbuilt in the mobile device so that logon information of the mobile device is broadcasted over the second channel, and one or more external electronic devices access to the mobile device through the inbuilt P2P node over the second channel.
Method, device and system for reporting RF capability in carrier aggregation
Embodiments of the present invention provide a method, a device and a system for reporting RF capability in carrier aggregation, used to reduce signaling overhead when a UE reports information. The method provided in the embodiments of the present invention includes: identifying a combination of identifiers of frequency bands that support the carrier aggregation, and generating a set of combinations of identifiers of frequency bands that support the carrier aggregation; identifying identifiers of frequency bands that do not support the carrier aggregation, and generating a set of identifiers of frequency bands that do not support the carrier aggregation; and sending the set of combinations of identifiers of frequency bands that support the carrier aggregation and the set of identifiers of frequency bands that do not support the carrier aggregation.
Mobile communication system and method for providing common channel coverage using beamforming antennas
A wireless transmit/receive unit (WTRU) includes circuitry configured to receive information from a base station indicating an assignment of periodic time slots to transmit sounding signals and circuitry configured to transmit sounding signals to the base station in the assigned periodic time slots in response to the received information, wherein a timing of transmission of the sounding signals in response to the received information differs between a time division duplex mode and a frequency division duplex mode, and wherein the transmitted sounding signals are distinguishable from sounding signals from other WTRUs.
Time division duplex (TDD) uplink downlink (UL-DL) reconfiguration
An evolved node (eNB) operable to transmit a Time Division Duplex (TDD) uplink-downlink (UL-DL) reconfiguration in a heterogeneous network (HetNet) is disclosed. The eNB can receive, from a user equipment (UE), a UE capability report that indicates the UE supports a TDD UL-DL reconfiguration functionality. The eNB can transmit, to the UE, a configuration to enable TDD UL-DL reconfiguration at the UE. The eNB can transmit, to the UE, a TDD UL-DL reconfiguration signal in a downlink control information (DCI) message. The UE can be configured to update a TDD UL-DL configuration of the UE based on the TDD UL-DL reconfiguration signal transmitted on a physical downlink control channel (PDCCH) in preconfigured downlink or special (DL/S) subframes by the eNB.
Method and apparatus for allocating resources to multiple sites which use same frequency band
Provided are a method and an apparatus for allocating radio resources to multiple sites which use the same frequency band. The method comprises: determining a resource allocation unit being used in common in the multiple sites; and allocating resources to the multiple sites on the basis of the resource allocation unit, wherein with respect to the resource allocation unit, radio resources allocated to the respective multiple sites are divided and arranged in a time domain.
Apparatus, method, and computer readable medium for initiating uplink multi-user medium access in high efficiency wireless local-area networks
Apparatus, computer readable medium, and methods for initiating uplink multi-user medium access in high-efficiency wireless local-area networks (WLANs) are disclosed. A station is disclosed comprising circuitry configured to generate a trigger frame comprising one or more resource allocations. Each of the resource allocations may include an indication of whether the resource allocation is an orthogonal frequency division multiple access (OFDMA) resource allocation or a multiple-user multiple-input multiple-output (MU-MIMO) resource allocation. An identity either of an OFDMA group or an MU-MIMO group may be included. Each resource allocation may include an indication of a bandwidth for the OFDMA resource allocation or a bandwidth for the MU-MIMO resource allocation. Each OFDMA resource allocation may include one or more indications of an address of one or more HE stations and one or more indications of an OFDMA sub-channel resource allocation for the corresponding HE station.
Terminal, base station, method of generating DMRS, and transmission method
The present invention aims at allowing a demodulation reference signal (DMRS) pattern suitable for a terminal to be selected from among a plurality of DMRS patterns including Legacy DMRS and Reduced DMRS. Disclosed is a terminal including: reception section (21) that receives uplink control information; control section (23) that determines a specific mapping pattern from among a plurality of mapping patterns for an uplink DMRS on the basis of the control information; and DMRS generating section (24) that generates a DMRS according to the specific mapping pattern.
Method for transceiving downlink signal in wireless communication system and apparatus therefor
Disclosed is a method for a terminal for receiving a downlink signal from a plurality of cells according to the semi-persistent scheduling (SPS) method in a wireless communication system. Specifically, the method comprises the steps of: receiving, in a first subframe, a first or second type scheduling information indicating an activation, according to the SPS method, from a serving cell from among the plurality of cells; and, in the first subframe and a second subframe configured via a higher layer after the first subframe, receiving the downlink signal from one cell from among the plurality of cells in accordance with resource allocation information comprised in the first or the second type scheduling information, wherein the first type scheduling information comprises quasi co-location (QCL) information for the serving cell and the one cell, and the QCL information applied in the first and second subframes is updated in accordance with the type of the scheduling information.
Method and apparatus for transmitting uplink in wireless communication system
A method for transmitting an uplink includes: an STA1 transmitting to an AP each of multiple RTS frames through at least one channel from among multiple first channels; the STA1 receiving from the AP at least one CTS frame through at least one channel from among the multiple channels which have received the RTS frames; and an STA2 receiving from the AP at least one CTS frame through at least one channel from among multiple second channels, wherein the at least one CTS frame includes STA identifier information and channel information, the STA identifier information includes information for indicating the STA1 and the STA2, and wherein the channel information includes information on an uplink channel1 allocated for transmitting a data frame1 of the STA1 and information on an uplink channel2 allocated for transmitting a data frame2 of the STA2.
Data transmission method for terminal in a wireless communication system, and terminal using the method
Provided are a data transmission method for a terminal in a wireless communication system, and a terminal using the method. The terminal determines the number of information bits transmitted via a physical uplink shared channel (PUSCH), determines the energies respectively distributed to a reference signal and data comprising the information bits in accordance with the number of information bits, and transmits the reference signal and the data at the respective determined energies.
Communication method, base station, user equipment, and system
A communication method, a base station, user equipment, and a system are provided. The method includes: receiving uplink data that is sent by the user equipment in a specified multiple-access manner on a time-frequency resource corresponding to the specified multiple-access manner; and sending downlink data to the user equipment in a corresponding multiple-access manner on a time-frequency resource corresponding to the corresponding multiple-access manner, where the corresponding multiple-access manner is a multiple-access manner that is obtained by searching a at least two multiple-access manners according to a prestored correspondence and that is associated with the specified multiple-access manner. In this way, a problem that because one multiple-access manner is used in a same communications system, requirements of different user equipments cannot be met at the same time is resolved.
System and method for distributed scheduling of transmission resources
In accordance with various embodiments, a system and method of distributed transmission resource management in a wireless network is disclosed. The transmission resource allocation is distributed throughout the network to all nodes. In distributed resource management, the resource allocation may be performed by child and/or remote nodes and child and/or remote nodes actively manage transmission resource allocation in the wireless network.
A communication system is disclosed in which a relay communication device identifies a service to be received by at least one other communication device and also identifies the at least one communication device. The relay communication device maintains a mapping between services and the communication device(s) that need to receive that service. The relaying communication device receives service data using a broadcast/multicast bearer and forwards, using a respective device-to-device bearer, the service data to each communication device for which a respective mapping to that particular service is maintained.
Determination of the real tracking-area when dynamic-TA techniques are applied
When the operator of a mobile communication system applies one of: “dynamic Tracking Area List” or “smart paging” for more efficient paging, the “real” size of the Tracking Area, i. e., the number of cells over which a S1AP-paging is broadcasted on average, becomes difficult to calculate in real time; A method of determining tracking area size information is therefore proposed comprising: obtaining the average number of paging records per cell, and dividing it by average number of RRC-Connection-Setup, for terminated calls, per cell; the result is proportional to the real TA size; the obtained value is proposed as a new KPI, Key Performance Indicator.
System and method to silence other devices in response to an incoming audible communication
A user's set top box detects the ringing of a telephone, mobile device or other type of audible notification of an incoming contact and, in response, sends a command causing a current audio level of the television programming or other media currently being played to decrease such that the audible notification can be heard by the user. A device silencing manager on the set top box may detect the audible notification occurring by the sound waves of the audible notification from the mobile device picked up by a microphone of the receiving device. Additionally or alternatively, a device silencing manager on the set top box may wirelessly receive, either directly or indirectly from the mobile device, an electronic notification of the audible notification.
System and method for redirecting a mobile device
The present invention concerns a femtocell device and method at a femtocell device comprising a first interface for communicating to a macrocell and a second interface for communicating to a broadband network, the method comprising the steps of, when communication to the broadband network is inactive, receiving a paging message from the macrocell destined to a mobile device connected to the femtocell device, and notifying the mobile device to redirect to the macrocell.
Alternatives to satellite signals for synchronization in macro network
Disclosed herein are methods and systems that may help a base station provide high-speed data communication under a protocol such as LTE or WiMAX, even when a GPS signal is not available to the base station. In an exemplary embodiment, a base station may acquire a high-stability reference signal via a subcarrier of a terrestrial broadcast signal, such as an FM radio signal, and may coordinate the timing frame transmissions with other nearby base stations, instead of relying upon a GPS signal for such functionality.
Method for transmitting power headroom report in network supporting interworkings between multiple communication systems, and apparatus therefor
A method for a terminal in a first communication system to transmit a power headroom report in a network supporting interworking of a plurality of communication systems comprises a step for transmitting a power headroom report comprising a power headroom value related to a second communication system, when a predetermined triggering condition occurs in a state in which the terminal is accessing the first and second communication systems simultaneously, wherein the power headroom report can comprise information regarding maximum transmission power for the second communication system.
Communication apparatus, method for controlling the same, and computer-readable recording medium
Information on one or more networks in which a communication apparatus has participated before and information on one or more external apparatuses to which the communication apparatus has been connected before are held. Information on a first network previously formed by the communication device and information on a second network previously formed by an external access point are held such that the information on the first network and the information on the second network are identifiable. If it is judged that there is not a network corresponding to the held information on the second network, it is determined to use a network based on the held information on the first network.
Apparatuses, methods and computer program products allowing communication via multiple access systems
In terms of enhancements in relation to, scenarios allowing communication via multiple access systems an example aspect of the present invention encompasses an apparatus, comprising a controller, configured to cause control of a transceiver which is configured to communicate via at least two access systems, receive at least two access control commands from distinct sources, each access control command commanding access to at least one of the at least two access systems, detect a conflict between at least part of the at least two commands, and in case of a detected conflict, resolve the conflict by causing to withdraw at least part of one of the at least two access control commands based on a priority relation between the at least two conflicting access control commands. Further, an apparatus is encompassed which comprises a controller, configured to cause control of a transceiver which is configured to communicate via an access system with a terminal, cause to transmit an access control command to said terminal, said access control command commanding access to at least one of at least two access systems available for said terminal, cause to receive a report from the terminal regarding a detected conflict relating to said access control command. Likewise, corresponding methods and computer program products are addressed.
Cell search for D2D enabled UEs in out of network coverage
There is disclosed a method for operating a D2D enabled UE for a cellular communication network. The method comprises performing a cell search in an out of coverage condition of the UE, wherein performing a cell search is based on a first measurement configuration during a first phase, and based on a second measurement configuration during a second phase, wherein the first measurement configuration pertains to a carrier whose sidelink is preconfigured for ProSe operation in out of network coverage operation.The disclosure also pertains to related methods and devices.
Association in wireless network
This document relates to a wireless network where an access node may define association limitations to prefer some terminal devices over the other. A terminal device may determine the association limitations on the basis of a frame received from the access node and choose, on the basis of the received frame, whether or not to associate to the access node.
Dynamic energy-efficient transmit point (TP) muting for virtual radio access network (V-RAN)
Operational and environmental efficiency in virtual radio access networks (VRANs) can be improved by offloading data traffic and/or control signaling between physical transmit points (TPs) of a virtual TP. This may allow one or more physical TPs of the virtual TP to be muted in the downlink or uplink direction, thereby reducing energy consumption. The offloading may be performed during relatively short time-intervals such that physical TP are muted for one or more transmission time intervals (TTIs) before being re-activated. The offloading may also be implemented over longer time-intervals in accordance with a traffic engineering (TE) policy. Further it is possible to re-activate a de-activated downlink transmitter of physical TP by monitoring wireless signals via an activated receiver of the physical TP.
Wireless device handover signaling
A first base station transmits to a second base station a first message. The first message comprises at least one parameter indicating the wireless device supports configuration of a plurality of cell groups. The first base station receives from the second base station a second message comprising first configuration parameters of a plurality of cells grouped into a first plurality of cell groups comprising a first cell group and a second cell group. The first base station transmits, to the wireless device, a third message comprising the first configuration parameters.
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.
Wireless communication system and method therein for transferring at least part of services originally provided by a second station to a third station and a first base station in the system
The present disclosure provides a wireless communication system and method therein. The wireless communication system comprises: a first base station, second base station, third base station and user equipment, wherein the first base station and the second base station perform wireless data connections with the user equipment by adopting different carriers, and a trigger node triggers a transfer procedure in the case of judging a preset transfer condition of transferring a service to the third base station is satisfied, wherein the service is provided by the second base station to the user equipment, so that the user equipment releases the wireless data connection with the second base station and establishes the wireless data connection with the third base station, and thus the first base station and the third base station perform wireless data connections with the user equipment by adopting different carriers, wherein at least part of the service provided by the second base station initially is transferred to the third base station. According to an embodiment of the present disclosure, it can be ensured that the user equipment obtains optimized quality of service, while the efficiency of data transmission is improved.
Radio communication system
A radio communication system includes a user device, a first base station, a second base station, a switching center, and a gateway device. In a handover operation performed in a situation in which a user-plane path has been established through the first base station, the first base station transmits, to the user device, a radio connection reconfiguration message commanding that a radio bearer be established between the second base station and the user device and receives a radio connection reconfiguration complete message transmitted from the user device. The first base station transmits, to the switching center, a path switching request message requesting that the established user-plane path be changed so as to pass through the second base station.
Adjusting number of discovery frames sent based on access point deployment
Techniques are provided for determining, for at least one wireless access point in a wireless network, a number of first-time associations created with one or more wireless client devices in the wireless network. Based upon the determined number of first-time associations created, the number of discovery frames to be sent by the at least one wireless access point may be adjusted.
Method and apparatus for managing congestion in wireless communication system
Disclosed is a method of managing congestion by a Policy Control and Charging Rules Function (PCRF). The method includes receiving at least one piece of video flow related information; receiving, from an evolved Node B (eNB), congestion state information for the eNB and at least one User Equipment (UE); determining a data transmission rate of at least one video flow on the basis of the received congestion state information and the received video flow related information; and adjusting the data transmission rate of the at least one video flow on the basis of the determined data transmission rate.
Load balance method and relevant apparatuses
Embodiments of the present invention disclose a load balance method and relevant apparatuses to implement load balance between base stations in a communications network that includes an LTE base station. The method in an embodiment of the present invention includes: obtaining, by a radio resource management RRM server, load information reported by base stations, where the base stations include a Long Term Evolution LTE base station; determining an overloaded base station in the base stations; determining a target base station according to the load information, where the target base station is a base station to share a load of the overloaded base station; and instructing the overloaded base station and the target base station to perform load balance.
Interference mitigation by a scalable digital wireless modem
Described herein are technologies related to an implementation for dynamic adjustment of an out-of-band emission in a wireless modem, including spurious emissions, such as a Wi-FI modem, to minimize interference on a collocated or co-running downlink reception of another wireless modem residing on the same device by dynamically adjustment of a power consumption.
Communication of preferred power consumption configurations
Technology for communicating power preference indication (PPI) message is described. A user equipment (UE) may receive PPI configuration information, from an evolved node B (eNB), wherein the PPI configuration information includes a predetermined threshold for a number of PPI messages that the UE can communicate to the eNB during a defined time window. The UE may communicate a plurality of PPI messages after sending a low power consumption configuration to the eNB during the defined time window, wherein the plurality of PPI messages each indicate a change in preferred power consumption configuration. The UE may detect that the plurality of PPI messages exceeds the predetermined threshold for the number of PPI messages that the UE can communicate to the eNB during the defined time window as defined in the PPI configuration information. The UE may initiate a threshold timer in response to the plurality of PPI messages exceeding the predetermined threshold to restrict additional PPI messages from being communicated to the eNB until expiration of the threshold timer.
Radio configuration in a carrier aggregation
A plurality of cells are grouped into a plurality of physical uplink control channel (PUCCH) groups comprising a primary PUCCH group and a secondary PUCCH group. The base station detects a radio link issue with a PUCCH secondary cell while one or more other cells in the secondary PUCCH group have acceptable radio link quality. The base station transmits at least one second message configured to release at least one of the one or more other cells in the secondary PUCCH group.
Method and apparatus for performing data transmission in wireless communication system
A method for and apparatus for performing data transmission in a wireless communication system is provided. A wireless device performs a radio resource control (RRC) connection procedure with a macro cell having a first frequency, performs a radio resource management (RRM) measurement on a small cell having a second frequency or a third frequency, and reporting a result of the RRM measurement to the macro cell; and receives data via the second frequency or the third frequency of the TP, the data is consecutive data relayed from an initial transmission of the macro cell, wherein the macro cell and the small cell are connected with a fast backhaul by using air interface.
Delaying execution of a corrective action in a wireless environment
Techniques are disclosed for delaying execution of a corrective action in a wireless environment. During a first time period, a performance level is detected. The performance level is determined to not match a performance criterion. However, a corrective action that improves the performance level is not immediately executed. During a second time period, a set of network activities is detected. If the set of network activities does not match a modification criterion, then execution of the corrective action is delayed. The set of network activities is detected periodically until the set of network activities matches the modification criterion. If the set of network activities matches the modification criterion, then the corrective action is executed.
Method for allocating communication channels to access points in a communications network
A method for allocating communication channels to access points in a communications network comprising: identifying, amongst the access points, one or more interference-prone pairs of access points, wherein each interference-prone pair comprises a first access point and a second access point that are currently using the same or overlapping communication channels to communicate with their respective client user devices, determining the number N of non-overlapping channels that are available for allocating to the access points; allocating the N non-overlapping channels between the access points in such a way as minimize the number of interference-prone pairs of access points; and where an access point cannot be allocated any one of the N channels without it comprising part of an interference-prone pair, selecting a particular one of the N channels to allocate to the access point based on a selection criterion.
Anonymous customer reference services enabler
Variable subscriber identifiers (V-SubIds) for protecting subscriber privacy are generated and managed. In one aspect, an Anonymous Customer Reference Services (ACRS) component generates a V-SubId, which is a short-lived subscriber identifier that is inserted in a request received from a user equipment during request enrichment. Moreover, a different V-SubId can be inserted in subsequent request from the user equipment and thus, cross-site behavior tracking can be mitigated. In one aspect, the V-SubId can be exchanged for a subscriber identifier (SubId) associated with the user equipment, upon query by trusted systems/applications. Further, the V-SubId can be exchanged for a site-specific Anonymous Customer Reference (ACR) upon query by untrusted systems/applications, if user authorization is received. Moreover, the life cycle of the ACR is managed by the ACRS component, based on subscriber input.
Operation of control protocol data units in packet data convergence protocol
A method and apparatus reports packet data control protocol (PDCP) status and PDCP resets in a wireless communication, using control PDUs that may have security protection applied by ciphering of the control PDUs. Reliability of the PDCP status and reset messages may be assured by acknowledgment according to an acknowledged mode or to an unacknowledged mode.
Devices for establishing multiple connections
A method by a User Equipment (UE) is described. The method includes establishing a first radio interface between the UE and a first point on an Evolved Universal Terrestrial Radio Access Network (E-UTRAN). The method also includes establishing a second radio interface between the UE and a second point on the E-UTRAN by using the first radio interface. The method further includes mapping data radio bearers (DRBs) to at least one of the first radio interface and the second radio interface.
Device-to-device (D2D) discovery method, base station, and user equipment
A device-to-device (D2D) discovery method, an eNodeB and a user equipment are disclosed. The method includes: a user equipment acquiring discovery signal resources allocated by an eNodeB (eNB) to the user equipment, wherein the discovery signal resources include time-frequency domain resources used for sending or monitoring a discovery signal; and when the user equipment performs a D2D discovery operation, sending or monitoring the discovery signal according to acquired discovery signal resources to perform D2D discovery.
Protocols for facilitating charge-authorized connectivity in wireless communications
Structures and protocols are presented for signaling a status or decision concerning a wireless service or device within a region to a communication device (smartphone or wearable device, e.g.) or other wireless communication participant (motor vehicle having a wireless communication capability, e.g.).
Remotely activated monitoring service
Concepts and technologies are disclosed herein for a remotely activated monitoring service. The monitoring service can be executed by a server computer. The server computer can detect an event associated with a user device. The server computer can determine that monitoring of a proximity of the user device is to be initiated based upon the event. The server computer can determine a geographic location of the user device and identify monitoring hardware that is to monitor the proximity of the user device. The server device also can issue a command to the monitoring hardware to initiate monitoring of the proximity of the user device by the monitoring hardware.
Conditional message forwarding functions
Message forwarding by communication devices is conditionally and/or automatically controlled. A network message management component and/or handset message management component can monitor messages (e.g., short message service (SMS) messages) communicated between user equipment (UE) in a communication network, identify and/or intercept a message for which one or more forwarding conditions have been specified by the message originator, target, or forward target, and conditionally and/or automatically route the message to the target and/or forward target in accordance with predefined message routing rules based at least in part on the conditions specified by the originator, target, or forward target. The predefined message routing rules can be implemented by the network and/or the UEs, and can relate to the UE identifiers, time, priority, cost, operation state, size, desired automatic response messages, or other desired factors, associated with the message.
Apparatus and method for retrieving group messages
A repeater receives a first group message directed to a talk group. The repeater assigns a first unique message identifier including a generated first sequence number to the first group message. The repeater broadcasts the first group message with the first unique message identifier and the unique talk group address to the talk group. The repeater later receives a second group message directed to the talk group, generates a second sequence number from the generated first sequence number, assigns a second unique message identifier including the second sequence number to the second group message and broadcasts the second group message to the talk group. The first sequence number and the second sequence number may be used by a receiving radio of the talk group to determine if the radio failed to receive one or more group messages or if a received group messages is a duplicate message.
Floor detection based on determined floor detection parameters
A method is disclosed including determining at least one floor detection parameter based on a floor characteristic of a building; using the floor detection parameter in a floor detection process or providing the floor detection parameter for use in a floor detection process. Furthermore, a method is disclosed, including receiving at least one floor detection parameter determined based on a floor characteristic of a building, and using the at least one floor detection parameter in a floor detection process. According apparatuses, computer programs and systems are also disclosed.
Method and apparatus for establishing indoor location feature library
Embodiments of the present invention relate to a method and an apparatus for establishing an indoor location feature library. A sever selects, by using identification information of first user equipments (UEs) that is included in received first measurement data, multiple pieces of the first measurement data that have identification information of a same first UE; when the first UE is located indoors, obtaining location information of multiple of first access nodes according to feature attribute information of the multiple of the first access nodes; determining, according to the location information of the multiple of the first access nodes and the feature attribute information of the multiple of the first access nodes, indoor location information of the first UE; and establishing an indoor location feature library by using cell identification information and signal power values of multiple cells and indoor location information of the first UE.
Determining a base location of a user associated with a mobile device
A base location associated with a user of a communication device can be determined. A location identifier component can determine the base location, such as a home location, of the user based on activity data and/or other data, wherein the activity data can be obtained from base stations with which the user's communication device communicates during a defined time period. The location identifier component can designate a defined area as the base location, wherein the defined area can be associated with the base station with which the communication device most frequently communicates during the defined time period or can be an area that is determined based on the activity data and the other data, in accordance with a defined location algorithm. To facilitate maintaining the privacy of users, the activity data can be anonymized and/or the granularity of defining the base location can be adjusted.
Information processing apparatus and method to organize devices
[Object] To utilize various devices more effectively by organizing such devices. [Solution] Provided is an information processing apparatus including: a device log acquisition unit configured to acquire a time-series device log including information indicating a position of each of devices from each of the devices; a grouping unit configured to classify the devices into at least one group on the basis of the device logs and a preset condition of the positions; and a relation analysis unit configured to analyze a relation between the devices in each of the at least one group on the basis of the device logs.
Associating multiple user devices with a single user
A computer-implemented method includes: monitoring, by a computing device, respective locations of a plurality of user devices; determining, by the computing device, that a particular group of user devices of the plurality of user devices are located within a threshold distance of each other based on monitoring the respective locations of the plurality of user devices; and storing or outputting, by the computing device, grouping information indicating that the particular group of user devices are associated with a single user based on the determining that the particular group of user devices are located within a threshold distance of each other.
Location-based services for calendar events
Systems, methods, and program products for determining a location of a calendar item are described. A mobile device can receive a calendar item including a description and a time. The mobile device can determine that, at the time specified in the calendar item, the mobile device is located at a location that is estimated to be significant to a user. The mobile device can store the description in association with the significant location. Upon receive a new calendar item containing at least one term in the description, the mobile device can predict that the user will visit the significant location at the time specified in the new calendar item. The mobile device can provide user assistance based on the prediction.
Method and apparatus for providing point-of-interest detection via feature analysis and mobile device position information
An approach is provided for determining new point(s)-of-interest based, at least in part, on mobile device positioning, three dimensional location data, or a combination thereof. The approach involves processing and/or facilitating a processing of location information associated with a plurality of devices to determine one or more location points at which there are one or more concentrations of the plurality of devices. The approach also involves causing, at least in part, an accessing of three-dimensional data representing the one or more location points. The approach further involves processing and/or facilitating a processing of the three-dimensional data to determine one or more features that are indicative of a presence of one or more points of interest. The approach also involves determining one or more candidate points of interest based, at least in part, on the one or more features.
Method and system for managing multiple applications in near field communication
Apparatus and method for managing connections of a plurality of devices by a Near Field Communication (NFC) Controller (NFCC) through NFC. The method includes setting identification information of an entity, the entity being requested from an NFC device for a connection with the NFC device; and setting a logical link between the NFC device and the entity based on the identification information.
Base station, user terminal, and processor
A base station comprises: a transmitter configured to transmit, to a user terminal, a measurement request for requesting a measurement of a reception intensity of a signal transmitted from another user terminal that performs D2D communication; a receiver configured to receive, from the user terminal, measurement information indicating the reception intensity measured on the basis of the measurement request; and a controller configured to determine on the basis of the measurement information whether or not the user terminal is able to perform the D2D communication. The controller controls to instruct the D2D communication to be performed when determining that the user terminal is able to perform the D2D communication.
Methods, systems, and apparatus for monitoring a sound are described. An audio signal is obtained and the audio signal is analyzed to generate an audio signature. An object type is identified based on the audio signature and an action corresponding to the object type is identified.
Audio interface arrangement and a handheld device comprising the audio interface arrangement
The present disclosure generally relates to an audio interface arrangement. In one embodiment, a handheld device comprises the audio interface arrangement (not shown). The audio interface arrangement comprises at least two audio connecting means, wherein each of the at least two audio connecting means is adapted to connect a respective audio accessory to the audio interface arrangement. The audio interface arrangement further comprises an accessory determining means, which is coupled to said at least two audio connecting means. The accessory determining means is adapted to determine which type of audio accessory is connected to the respective audio connecting means. Hereby it is made possible to provide a handheld device that offers a user with a possibility to connect several different audio accessories to the handheld device, which accessories may be connected to the handheld device at the same time.
A hearing device comprising a first and a second input sound transducers, a processing unit, and an output sound transducer. The first transducer is configured to be arranged in an ear canal or in the ear of the user, to receive acoustical sound signals from the environment and to generate first electrical acoustic signals from the received acoustical sound signals. The second transducer is configured to be arranged behind a pinna or on, behind or at the ear of the user, to receive acoustical sound signals from the environment and to generate second electrical acoustic signals from the received acoustical sound signals. The processing unit is configured to process the first and second electrical acoustic signals and apply a direction dependent gain. The output sound transducer is configured generate acoustical output sound signals in accordance with the applied direction dependent gain.
Microphone with specific audible area using ultrasound wave
The present invention relates to a microphone with a specific audible area using ultrasound wave, which emits an ultrasound wave toward a sound source positioned in a specific area within a desired distance and a desired direction from the microphone, and extracts a sound signal in an audible frequency range, generated by the sound source, from an ultrasound wave reflected and received from the sound source. The microphone with a specific audible area using ultrasound wave can limit the audible area to an area within a specific angle from a half line starting from the microphone and a specific distance from the microphone, such that a user can selectively hear a desired sound in a noisy environment. When the microphone is applied to a hearing aid, the user can hear only the audible sound generated by the sound source located within the specific audible area in front of the user with the surrounding noise removed.
System and method for a pumping speaker
According to an embodiment, a method of operating a speaker with an acoustic pump includes generating a carrier signal having a first frequency by exciting the acoustic pump at the first frequency and generating an acoustic signal having a second frequency by adjusting the carrier signal. In such embodiments, the first frequency is outside an audible frequency range and the second frequency is inside the audible frequency range. Adjusting the carrier signal includes performing adjustments to the carrier signal at the second frequency. Other embodiments include corresponding systems and apparatus, each configured to perform corresponding embodiment methods.
Shock mounting apparatus and method for reducing amount of shock
A shock mount for a microphone comprises a first frame member having an upper ring-shaped frame member and a lower ring-shaped frame member. The lower frame member has a microphone mount for receiving a microphone. The shock mount also has a second frame member comprising a ring. The first frame member is suspended from the second member by wire rope or other substantially non-elastic flexible material, and the wire rope is configured to help reduce the amount of vibration encountered by the first frame member. A method comprises providing a first frame member and a second frame member and suspending the first frame member from the second frame member by wire rope or other substantially non-elastic flexible material and mounting a microphone on the first frame member to help reduce the amount of vibration encountered by the first frame member and the microphone.
Disclosed is a speaker unit which includes a provisionally fastening mechanism provided on a side surface of a cabinet section for provisionally fastening the speaker unit to a mounting part with at least a portion of the cabinet section inserted in an opening section of the mounting part from a face side of the mounting part. The provisionally fastening mechanism includes an engagement section for provisionally fastening the speaker unit to the mounting part, and a retention section for retaining the engagement section. The engagement section is movable between an engagement position in which the engagement section engages with the mounting part and a cancellation position in which the engagement section cancels the engagement with the mounting part by being moved away from the mounting part, and the retention section retains the engagement section in the cancellation position.
Watermark and fingerprint systems for media
A number of novel watermarking applications, and improvements to watermarking methods, are disclosed. Included are techniques for selectively incorporating promotional messages into rendered video content, monitoring whether promotional messages are rendered or skipped, permitting payment for content upon rendering rather than receipt, controlling rendering of video to include or omit adult-themed sections, confirming a person's age by reference to a watermarked identification document, and watermarking digital cinema projections.
Distributed content analysis network
A master node in a multimedia content network includes a processor, a content interface coupled to the processor and configured to receive, from a media source, a multimedia stream including a multimedia program, a network interface coupled to the processor and configured to provide an interface to a broadband network, processor executable instructions for performing operations including: identifying a group of subordinate nodes available to analyze a multimedia program, assigning different analysis tasks for the multimedia program to the available subordinate nodes, receiving analysis results from the subordinate nodes; and modifying electronic programming guide information for the multimedia program based on the analysis results.
Systems and methods for providing a transport control interface
A transport control interface may be provided by an interactive television program guide application to provide information, control or both for live and recorded video programming. The transport control interface may indicate to the user the time duration of live or recorded program and any time segments of the program that have been recorded. The transport control interface may automatically adjust the start and end time shown to accommodate various factors such as continuous viewing on a particular channel, multiple recorded segments, buffer size, etc. Various information associated with the live or recorded video programming may be displayed in the transport control interface.
Information processing apparatus, information processing method, program and information processing system
An information processing apparatus receives a user selection of content to be reproduced by an external device connected to the information processing apparatus. A request to reproduce the user selected content is sent to the external device. Information indicating whether the external device has started reproducing the selected content is received from the external device. In response to the external device having started reproduction of the selected content, a thumbnail image is reproduced that corresponds to the content being reproduced by the external device.
A method includes receiving, at a processor, a first data stream from a first platform and a second data stream from a second platform. The first data stream includes content and the second data stream includes the content. The method also includes performing an analysis operation on the first data stream and the second data stream to interpret the content. Performing the analysis operation includes performing a statistical analysis on the first data stream and the second data stream using one or more Artificial Neural Network (ANN) nodes of an analytical network. Performing the analysis operation also includes performing a syntactic analysis on the first data stream and the second data stream using one or more Markov Logic Network (MLN) nodes of the analytical network.
Universal remote control with object recognition
Embodiments utilize a camera on a universal remote control to automatically detect which device the remote is pointed at by the user. The image captured by the camera is compared to a database of images of known or preconfigured devices that can be controlled by the universal remote control. If the image captured by the camera matches an image in the database, then the universal remote control loads a specific key map for the preconfigured device from the database.
Physical layer signalling for digital broadcast system
The present invention relates to a physical layer signalling in a digital broadcast network. In particular, for a digital broadcast network supporting a configuration with a plurality of physical layer pipes, a type indicator is signalled on physical layer for a pipe, the type indicator indicates the format of the input stream which may specify a transport stream, a generic stream or an IP stream. In addition, per physical layer pipe application of header and/or content compression to the user packet headers of the input stream is signalled. Another physical layer parameters are advantageously provided or extended in order to increase the flexibility and efficiency of the layer 1 signalling.
Distributed and synchronized media switching
A method of switching media output includes receiving a first variant of a media item with a player, transmitting the first variant to a secondary device, and upon determining a change in operating conditions, switching from the first variant of the media item to a second variant of the media item by estimating a time to perform the switch to the second variant, transmitting to the secondary device a notification of a time to switch from the first variant to the second variant, and transmitting the second variant to the secondary device.
Parameterization for fading compensation
Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one or more reference images. During decoding, a video decoder performs corresponding fading compensation on the one or more reference images.
Method of inter-view advanced residual prediction in 3D video coding
A method and apparatus for inter-view ARP (advanced residual prediction) are disclosed. According to one embodiment, a first inter-view reference block of a first inter-view reference picture in a first reference view is determined using a current MV (motion vector) of the current block in an inter-view direction. A first MV associated with the first inter-view reference block is derived. If the first MV points to a second inter-view reference picture in a second reference view, the derived MV is set to a default derived MV. A second temporal reference block in the second temporal reference picture corresponding to the current block is identified using the derived MV. An inter-view residual predictor corresponding to the difference between a second inter-view reference block in the first reference view and the second temporal reference block is generated and used as a predictor for the current inter-view residual of the current block.
Image coding method, image decoding method, image coding apparatus, and image decoding apparatus
According to an embodiment, an image coding method is for coding an image including a luminance component and color difference components. The method includes acquiring a reference image; and generating a predicted image by interpolating the luminance component and the color difference components in the reference image according to a motion vector. If a size of a block, which is designated as a unit of the interpolation, is equal to or smaller than a predetermined first threshold value, the generating includes inhibiting a bi-directional prediction, and performing only a uni-directional prediction to generate the predicted image according to the motion vector.
Baseband signal quantizer estimation
A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
Image encoding/decoding method and device
Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of; receiving a bitstream comprising the plurality of layers; and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers.
Delayed chroma processing in block processing pipelines
A block processing pipeline in which macroblocks are input to and processed according to row groups so that adjacent macroblocks on a row are not concurrently at adjacent stages of the pipeline. The input method may allow chroma processing to be postponed until after luma processing. One or more upstream stages of the pipeline may process luma elements of each macroblock to generate luma results such as a best mode for processing the luma elements. Luma results may be provided to one or more downstream stages of the pipeline that process chroma elements of each macroblock. The luma results may be used to determine processing of the chroma elements. For example, if the best mode for luma is an intra-frame mode, then a chroma processing stage may determine a best intra-frame mode for chroma and reconstruct the chroma elements according to the best chroma intra-frame mode.
Method and apparatus for intra prediction within display screen
The present invention relates to a method and apparatus for intra prediction. The intra prediction method for a decoder, according to the present invention, comprises the steps of entropy-decoding a received bitstream, generating reference pixels to be used in the intra prediction of a prediction unit; generating a prediction block from the reference pixels on the basis of a prediction mode for the prediction unit and reconstructing an image from the prediction block and a residual block, which is obtained as a result of entropy encoding, wherein the reference pixels and/or the prediction block pixels are predicted on the basis of a base pixel, and the predicted pixel value can be the sum of the pixel value of the base pixel and the difference between the pixel values of the base pixel and the generated pixel.
Predictive motion vector coding
Overlapped block disparity estimation and compensation is described. Compensating for images with overlapped block disparity compensation (OBDC) involves determining if OBDC is enabled in a video bit stream, and determining if OBDC is enabled for one or more macroblocks that neighbor a first macroblock within the video bit stream. The neighboring macroblocks may be transform coded. If OBDC is enabled in the video bit stream and for the one or more neighboring macroblocks, predictions may be made for a region of the first macroblock that has an edge adjacent with the neighboring macroblocks. OBDC can be causally applied. Disparity compensation parameters or modes may be shared amongst views or layers. A variety of predictions may be used with causally-applied OBDC.
Video encoding and decoding methods and device using same
The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
Method and system for dynamic compression module selection
A computer-implemented method for compressing a data set, the method comprising receiving a first data block of the data set, selecting automatically by a compression management module a compression module from a plurality of compression modules to apply to the first data block based on projected compression efficacy or resource utilization, and compressing the first data block with the selected compression module to generate a first compressed data block.
Picture coding device, picture coding method and picture coding program as well as picture decoding device, picture decoding method, and picture decoding program
A prediction direction difference calculating unit derives a prediction direction difference in intra prediction modes of a plurality of reference blocks used for an intra prediction processing of a block to be coded. A most probable mode determining unit and a coding tree selecting unit determine a most probable mode as an intra prediction mode candidate of the block to be coded based on the intra prediction modes of the reference blocks used for deriving the prediction direction difference and the prediction direction difference, and creates a coding tree assigned with a bitstream having a shorter code length than other prediction modes for the determined most probable mode. A variable length coding unit codes information for specifying an intra prediction mode of the block to be coded according to the coding tree.
Camera testing using virtual images
An apparatus includes a virtual image generation device, a receptacle for a digital camera, and a light booth. The virtual image generation device is configured to generate a plurality of test images within the light booth in accordance with a test sequence. The receptacle is configured to enable detection of the test images by the digital camera.
Imaging systems with real-time digital testing capabilities
An imaging system with real-time digital testing capabilities verifies the functionality of image processing circuitry used to process pixel data signals read out from a pixel array during imaging operations. Image processing circuitry may process a data frame read from an imaging array that includes multiple regions of imaging and non-imaging data. Digital test patterns may be generated to test the functionality of specific image processing blocks. Test patterns may correspond to or represent imaging data or non-imaging data from regions of the output readout frame. A checksum generator generates a test pattern checksum for output of a subset of the image processing blocks that were provided with a given test pattern. The test pattern checksum may be compared to a predetermined checksum of the output of properly functioning image processing blocks provided with test patterns equivalent to the given test pattern.
Optical compensation for ghosting in stereoscopic displays
A method for reducing crosstalk in stereoscopic displays comprises providing a first first-eye image, a compensated image of the first first-eye image, a first other-eye image, and a compensated image of the first other-eye image; displaying each of the images at least once during a single frame flash sequence, wherein the first first-eye image is displayed to a first eye, the compensated image of the first first-eye image is displayed to another eye, the first other-eye image is displayed to the another eye, and compensated image of the first other-eye image is displayed to the first eye; wherein the compensated images can be displayed simultaneously and/or at least one of the compensated images or eye images can be displayed more than one time during a single frame flash sequence.
Dynamic autostereoscopic displays
Display devices can be used to provide display functionality in dynamic autostereoscopic displays. One or more display devices are coupled to one or more appropriate computing devices. These computing devices control delivery of autostereoscopic image data to the display devices. A lens array coupled to the display devices, e.g., directly or through some light delivery device, provides appropriate conditioning of the autostereoscopic image data so that users can view dynamic autostereoscopic images. Methods and systems for calibrating a hogel display are also described, including generating calibration hogel data corresponding to a calibration pattern; generating a hogel light field from the calibration hogel data; detecting the hogel light field; and determining calibration data by analyzing a set of hogel properties in response to detecting the hogel light field. The methods and systems may further include generating a calibrated hogel light field by generating calibrated hogel data using the calibration data.
RGB-D imaging system and method using ultrasonic depth sensing
RGB-D imaging system having an ultrasonic array fin generating images that include depth data, and methods fin manufacturing and using same. The RGB-D imaging system includes an ultrasonic sensor array positioned on a housing that includes an ultrasonic emitter and a plurality of ultrasonic sensors. The RGB-D imaging system also includes an RGB camera assembly positioned on the housing in a parallel plane with, and operably connected to, the ultrasonic sensor. The RGB-D imaging system thereby provides/enables improved imaging in a wide variety of lighting conditions compared to conventional systems.
Imaging apparatus having autofocus function
An imaging apparatus includes an autofocus function, and performs focus adjustment by displacing a focus lens to an in-focus opposition. A focal correction calculation unit calculates a focal correction amount using at least one type of information selected from the diaphragm information used for exposure adjustment, positional information for the zoom lens, and positional information for the focus lens. The focal correction amount is further revised, and processing is executed to suppress coloring on the subject image resulting from chromatic aberration. The correction amount after revision is sent to a focal adjustment unit and the focal lens is driven and controlled by the lens control unit.
Image display device
Provided is an image display device including: a light source part (200) for emitting coherent light; and a plurality of phase shift elements (301) arranged in two-dimensional directions, the device further including a phase shift part (300) for scanning the wavefront of the coherent light from the light source part (200) in two-dimensional directions, in which light is scanned in the two-dimensional directions by a phased array to thereby allow an observer to observe an image.
Method for providing telepresence using avatars, and system and computer-readable recording medium using the same
A method for providing telepresence by employing avatars is provided. The method includes steps of: (a) a corresponding location searching part determining a location in a first space where an avatar Y′ corresponding to a human Y in a second space will be placed, if a change of a location of the human Y in the second space is detected from an initial state, by referring to (i) information on the first space and the second space and (ii) information on locations of the humans X and Y, and the avatar X′ in the first and the second spaces; and (b) an avatar motion creating part creating a motion of the avatar Y′ by referring to information on the determined location where the avatar Y′ will be placed.
Panoramic image placement to minimize full image interference
An automatic process for producing professional, directed, production crew quality, video for videoconferencing is described. Rule based logic is integrated into an automatic process for producing director quality video for videoconferencing. An automatic process can include a method for composing a display for use in a video system having an active talker video stream and a panoramic view video stream having more than one person in video. The method can include determining a region of interest in a panoramic view video using motion detection and presence sensors, and preparing the panoramic view video by centering the region of interest and by zooming towards the region of interest, based upon the location of persons in the panoramic view video. The method includes determining placement of panoramic view video on a composite display to prevent the panoramic view video overlaying display of an active talker on the active talker video stream.
Devices, methods and computer program products for playback of digital media objects using a single control input
A component for controlling playback of digital media objects using a single control input receives, from a server, a plurality of feature vectors, each feature vector representing one of a plurality of media objects, and receives one or more skip requests from the single control input. In response to a first skip request, the component selects a feature vector from among the plurality of feature vectors and instructs a media object playback device to playback a media object represented by the selected feature vector. In response to a second or successive skip request, the component selects another feature vector from among the plurality of feature vectors that is a distance away from the previously selected feature vector and instructs the media object playback device to playback another media object represented by the selected other feature vector.
TV system with wireless power transmitter
An apparatus for transmitting wireless power is provided. The apparatus comprising a television system and a transmitter coupled to the television system. The transmitter is configured to emit a plurality of wireless power waves and define a pocket of energy thereby so that a receiver is able to interface with the pocket of energy and charge a device thereby, wherein the device is coupled to the receiver.
Detection of transitions between text and non-text frames in a video stream
Detecting the start of a credit roll within video program may allow for the automatic extension of video recordings among other functions. The start of the credit roll may be detected by determining the number of text blocks within a sequence of frames and identifying a point in the sequence of frames where a difference between the number of text blocks in frames occurring before the point and the number of text blocks in frames occurring after the point is greatest and exceeds a specified threshold. Text blocks may be identified within each frame by partitioning the frame into one or more segments and recording the segments having a pixel of a sufficiently high contrast. Contiguous segments may be merged or combined into single blocks, which may then be filtered to remove noise and false positives. Additional content may be inserted into the credit roll frames.
Display apparatus and control method for the same
Disclosed herein is a display apparatus that uses a display module by selectively setting the display module to a flat surface form and a curved surface form. The display apparatus includes a display module that is bendable and is configured to display an image, and a bending structure configured to deform the display module by moving at least one of a center and both ends of the display module relative to each other to form one of a flat surface form and a curved surface form of the display module.
Optical electronic device including enhanced global shutter pixel array and related methods
An optical electronic device may include a plurality of different optical sources, and a global shutter sensor including an array of global shutter pixels, with each global shutter pixel including a plurality of storage elements. A controller may be coupled to the plurality of optical sources and the global shutter sensor and configured to cause a first optical source to illuminate and a first storage element in each global shutter pixel to store optical data during a first integration period, cause a second optical source to illuminate and a second storage element in each global shutter pixel to store optical data during a second integration period, and output the stored optical data from the first and second storage elements of the global shutter pixels after the first and second integration periods.
Imaging devices, arrays of pixels receiving photocharges in bulk of select transistor, and methods
In some embodiments, an imaging device includes a pixel array. At least one of the pixels includes a photodiode that can generate charges, and a select transistor that receives the charges in its bulk. When the select transistor is selected, a pixel current through it may depend on a number of the received charges, thus evidencing how much light it detected. A reset transistor may reset the voltage of the bulk.
Global shutter pixel with hybrid transfer storage gate-storage diode storage node
An image sensor pixel having a hybrid transfer storage gate-storage diode storage node is disclosed herein. An example image sensor includes a photodiode, a storage diode, a transfer gate, and a buried storage well. The photodiode, storage diode, and buried storage well are all disposed in a semiconductor material. The transfer storage gate may be disposed on a surface of the semiconductor material between the photodiode and the storage diode. Further, the buried storage well may be disposed under the storage diode and partially under the transfer storage gate. Additionally, a length of the transfer storage gate and a length of the storage diode may be equal, and the storage diode may passivate a surface of the semiconductor material between the transfer storage gate and an output gate.
Solid-state image pickup device
A solid-state image pickup device includes a first optical signal accumulation unit configured to accumulate a first optical signal obtained by performing an optoelectronic conversion in a first period by an optoelectronic conversion unit, a first reference potential accumulation unit configured to accumulate a first reference potential corresponding to the first optical signal, a second optical signal accumulation unit configured to accumulate a second optical signal obtained by performing an optoelectronic conversion in a second period by the optoelectronic conversion unit, the second period being shorter than the first period, and a combining unit configured to perform a CDS process by using at least the first reference potential accumulated in the first reference potential accumulation unit and combine the first optical signal accumulated in the first optical signal accumulation unit and the second optical signal accumulated in the second optical signal accumulation unit.
Solid-state image sensor and camera system
There is provided a solid-state image sensor including a pixel array unit in which pixels are arrayed, the pixel including a photodiode converting an optical signal into an electrical signal, and a readout unit which reads out an analog image signal from the pixel to a signal line and processes the read out analog pixel signal in a unit of column. The readout unit includes a ΔΣ modulator which has a function to convert the analog pixel signal in to a digital signal, and an amplifier which is arranged on an input side of the ΔΣ modulator and amplifies the analog pixel signal read out to the signal line using a set gain to input the signal to the ΔΣ modulator.
Audience interaction projection system
A process and system capture infrared light that is reflected or emitted from a device to precisely locate the device. The process and system project visible light from a light source toward the device such that the light is precisely targeted at the device. Preferably the visible light passes through an atmosphere containing particulate matter rendering the visible light as a beam that appears to emanate from the device rather than from the light source.
Method for correcting flickers in a single-shot multiple-exposure image and associated apparatus
A method for correcting flickers in a single-shot multiple-exposure image and associated apparatus is provided. The single-shot multi-exposure image includes first image data and second image data. The method includes the steps of: computing a first vertical profile for the first image data and a second vertical profile for the second image data; computing a flicker modulation function according to the first vertical profile and the second vertical profile; and multiplying each pixel in the second image data by the flicker modulation function to correct flickers.
High dynamic range imaging pixels with improved readout
An imaging system may include an image sensor having an array of dual gain pixels. Each pixel may be operated using a two read method such that all signals are read in a high gain configuration in order to improve the speed or to reduce the power consumption of imaging operations. Each pixel may be operated using a two read, two analog-to-digital conversion method in which two sets of calibration data are stored. A high dynamic range (HDR) image signal may be produced for each pixel based on signals read from the pixel and on light conditions. The HDR image may be produced based on a combination of high and low gain signals and one or both of the two sets of calibration data. A system of equations may be used for generating the HDR image. The system of equations may include functions of light intensity.
Image processing apparatus, imaging apparatus comprising the same, and image processing method
An image processing apparatus performs image processing on image data obtained by using an imaging element comprising a plurality of pixels which comprise a first pixel and a second pixel, wherein two different types of exposure times are applied between the first pixel and the second pixel. A blur amount estimation unit estimates an image blur amount. An exposure time difference calculation unit calculates an exposure time difference. A mixing ratio calculation unit determines a first ratio using a light amount detected by the first pixel to be a target and a second ratio using a light amount detected by the second pixel positioned around the first pixel based on the exposure time difference and the image blur amount. A correction unit corrects the image data based on the image blur amount, the exposure time difference, the first ratio, and the second ratio.
Scene motion correction in fused image systems
Techniques to capture and fuse short- and long-exposure images of a scene from a stabilized image capture device are disclosed. More particularly, the disclosed techniques use not only individual pixel differences between co-captured short- and long-exposure images, but also the spatial structure of occluded regions in the long-exposure images (e.g., areas of the long-exposure image(s) exhibiting blur due to scene object motion). A novel device used to represent this feature of the long-exposure image is a “spatial difference map.” Spatial difference maps may be used to identify pixels in the short- and long-exposure images for fusion and, in one embodiment, may be used to identify pixels from the short-exposure image(s) to filter post-fusion so as to reduce visual discontinuities in the output image.
Focus control apparatus, control method therefor, storage medium therefor, and image capturing apparatus
A focus control apparatus having a first mode in which a position of a focus lens is automatically changed, and a second mode in which the position of the focus lens is manually changed, the focus control apparatus comprises: a setting unit configured to set a first area in the first mode and a second area in the second mode; a focus detection unit configured to detect a focus state based on signals output from areas of an image capturing unit; and a focus control unit configured to control the position of the focus lens in the first mode, wherein upon switching from the second mode to the first mode again, the setting unit sets the first area based on a second area that has been determined to be in an in-focus state.
Image capturing apparatus and image capturing method
An image capturing apparatus includes an optical system, an image capturing unit, a posture detection unit, and a control unit. The optical system forms an image of a light beam from an object. The image capturing unit obtains image data corresponding to the light beam by the optical system. The posture detection unit detects a posture of the image capturing apparatus. The control unit determines based on the posture whether the image capturing apparatus is in a mode to perform shooting in a state in which an optical axis of the optical system faces a zenith or in a mode to perform shooting in a state in which the optical axis of the optical system faces a photographer side. The control unit changes control in a shooting operation using the image capturing unit in accordance with a result of the determination.
User interface for accessing media at a geographic location
A system and method for accessing a media item on a mobile device are described. The mobile device includes a media placement application and a media display application. The media placement application receives a selection of a media item generated by the mobile device. The media placement application generates access conditions for the media item based on geolocation and position information of the mobile device associated with the selected media item. The media display application monitors the geolocation and position of the mobile device and determines whether the geolocation and position of the mobile device meet the access conditions of the selected media item. The media display application generates a notification that the selected media item is available to view in a display of the mobile device in response to determining that the geolocation and position of the mobile device meet the access conditions of the selected media item.
The present application discloses a confocal microscope including a light generator configured to simultaneously generate reflection light, which is reflected from a sample, and transmission light, which passes through the sample; a scanner configured to optically scan the sample and define a direction of a first optical path, along which the reflection light propagates; an adjuster configured to angularly adjust a direction of a second optical path, along which the transmission light propagates; a first signal generator configured to generate a first signal based on the reflection light; a second signal generator configured to generate a second signal based on the transmission light; and an image generator configured to generate a synthetic image in which a reflection image represented by the reflection light and a transmission image represented by the transmission light are synthesized in response to the first and second signals.
Systems and methods for video communication
Embodiments of the present disclosure provide systems and methods for controlling a camera based on movement of a user detected by another camera. A system may include a first camera capturing images of a user, a display located in the vicinity of the first camera, the display displaying, in real time, video received from a second camera disparately located from the first camera. The system may include one or more processors coupled to the first camera, the second camera and the display, the processor(s) analyzing the images captured by the first camera to determine head and eye movement of the user, determining camera settings for the second camera based on the determined head and/or eye movement of the user, and transmitting the determined camera settings to the second camera.
Image focusing method utilizing plural phase differences and image pickup device using the same
An image focusing method and an image pickup device using the image focusing method are provided. The image focusing method includes following steps. Firstly, an image is captured. Then, the plural first incident light pixels of the image are collected as a first pattern, and plural second incident light pixels of the image as a second pattern. The first pattern has a first block corresponding to a focusing area of the image. The second pattern has a second block corresponding to the focusing area of the image. Then, a phase difference between the first block and the second block and phase differences between the first block and plural test block are obtained. The test blocks are partially overlapped with the second block or located near the second block. Afterwards, a lens module is moved according to the lowest phase difference.
Image processing device, image processing method, and image processing program
According to one embodiment, an image processing device includes an imaging element, a lens and an image processor. Light passes through the lens toward the imaging element. A relative position of the imaging element and the lens is changeable. The image processor acquires a first image and a second image. The image processor derives a first stored image by adding at least a portion of the second image to the first image. The first image is captured by the imaging element when the relative position is in a first range. The second image is captured by the imaging element when the relative position is in a second range different from the first range.
Pull-rod type digital camera
This patent application relates to a digital camera field, in particular, to a kind of pull-rod type digital camera. The pull-rod type digital camera includes a shooting assembly and a control assembly. The shooting assembly includes a camera, and the digital camera further includes a telescopic rod. One end of the telescopic rod is arranged movably inside the control assembly, and the other end is rotationally connected with the shooting assembly, through which the shooting assembly can be separated from the control assembly to a certain distance when stretching the telescopic rod, and it is convenient to take a selfie and carry out other operations by rotating the shooting assembly to a proper position.
Image forming apparatus and method for controlling image forming apparatus
An image forming apparatus detects that the paper sheet cassette has been drawn out and that the paper sheet cassette has been housed, and upon detecting either that the paper sheet cassette has been drawn out or that the paper sheet cassette has been housed, detects that a reference operation has been performed. When the reference operation has been performed in a time period other than while a printing job is being executed, the control portion performs control so that the screen related to paper sheet setting is displayed, and when the reference operation has been performed while the printing job is being executed, the control portion performs control so that the screen related to paper sheet setting is not displayed.
Image forming apparatus, method for controlling image forming apparatus, and storage medium
An image forming apparatus includes a control unit configured to control writing or reading data to or from a storage unit and a cooling unit configured to cool the control unit and the storage unit, in which the control unit reads temperature information from the storage unit, and changes a timing of when to read the temperature information next from the storage unit and a cooling level of the cooling unit in conjunction with each other.
Information processing system for acquiring the state of information processing apparatuses and determining whether to restrict a requested process
An information processing system includes an acquisition unit that acquires internal information of an information processing apparatus, an acquisition unit that acquires, from a user, an execution request for a process to be executed, and a process executing unit that executes the process in accordance with the execution request. In a case where the acquired internal information indicates a symptom of a malfunction occurrence in the information processing apparatus, and where the requested process is determined to affect the malfunction occurrence, the process executing unit executes a restriction process in which execution of the requested process is restricted.
Image display device, image display system, image display method, and computer-readable storage medium for computer program
An image display device reproducing an image displayed according to operations performed consecutively is provided. The device includes an extraction portion extracting, from the operations, a plurality of times of first operations to scroll through the image, and a position at which an operation is made in a display surface of an object selected from the image through second operation performed after the plurality of times of first operations; and a reproduction portion that reproduces the image in accordance with the operations in such a manner that scrolling through the image is omitted or shortened in accordance with a target operation which is any one of a specific operation and a subsequent first operation among the plurality of times of first operations. The specific operation is to scroll through the image in a manner to move the object from one side to the other side when viewed from the position.
Self stabilizing projector
A mobile device for projecting images on a surface and for maintaining a position of the image on the surface. The device including an image rendering module to scan the surface and to modify the image based on data obtained about a three dimensional nature of the surface. The device further including an optical image stabilization to adjust an alignment of the projector based on orientation data of the device, an electronic image stabilization module to shift the image within a projection area based on the orientation data and an image-tracking module to shift the image within the projection area based on changes in a relative positions of the image and a target.
System and method for radio aware traffic management based wireless authorization
An example method is provided in one example embodiment and may include receiving a request from a user equipment (UE) to access a wireless access network, wherein the UE is currently accessing one or more other wireless networks; determining by a Policy and Charging Rules Function (PCRF) whether a subscriber associated with the UE is authorized to access the wireless access network based, at least in part, on a profile for the subscriber; and communicating one of a wireless access rejection and a wireless access acceptance to the UE based on the determination. In some instances, the determining can include recovering the profile for the subscriber associated with the UE from a Subscriber Profile Repository (SPR) using an International Mobile Subscriber Identity (IMSI) for the subscriber.
Configuration method for sound collection system for meeting using terminals and server apparatus
A configuration method for a sound collection system for a meeting using a plurality of terminals, the system obtaining speech from the terminals. The method includes: receiving external sounds from the respective terminals as collected-sound data, the external sounds being collected by the respective terminals; and determining a meeting to which each of the terminals belongs, in accordance with a degree of similarity between the collected-sound data. At least one of the receiving the collected-sound data and the determining the meeting is performed by a processor.
System and method for natural language processing
A system and method are presented for the use of natural language processing to automate the disposition of completed interactions in an environment such as a contact center system. Communications may be inbound or outbound. A communication is received or placed by the contact center system and processed through the contact center system. After the interaction of the communication and the contact center is completed, data from the completed interaction may be processed through an automated customer interaction disposition system. Transcript data from the interaction may be processed through an NLP engine to generate data from the interaction. The data may then be automatically matched with a disposition/wrap-up code for the interaction.
Visual assistance systems and related methods
Visual assistance systems and related methods are disclosed. A visual assistance system includes a visual assistance service configured to receive and display images from a user device on an electronic display for a live assistant. The visual assistance service is also configured to transmit assistant audio from the live assistant conveying information derived by the live assistant's review of the images. A visual assistance system comprises a user device configured to capture and transmit the images to the visual assistance service. The user device is also configured to receive the assistant audio from the visual assistance service, and reproduce the assistant audio to a user of the user device. The user is registered with the visual assistance service as having at least a minimum level of visual disability. A method of operating the visual assistance system includes receiving the images from, and transmitting the assistant audio to the user device.
Calling device, communication system, and calling method for executing call for communication
A receiving unit receives positional information of a terminal device. A storage unit stores a list in which a plurality of correspondence relationships between an area and an identifier are included. An adjusting unit adjusts the correspondence relationship included in the list. A first selection unit selects, from the adjusted list, an identifier corresponding to the received positional information. A first transmission unit transmits the selected identifier to the terminal device. An input unit inputs information on an area to be called. A second selection unit selects, from the adjusted list, an identifier corresponding to the input information. A second transmission unit transmits a call signal including the selected identifier.
Different call managing techniques are described for both voice calls and video calls. A call management system detects that a user is on an active call. The call management system detects that the user has continued to speak when the call was disconnected, as by another user terminating the call or poor network conditions. When the call management system detects a disconnected call, it records the spoken speech into a buffer and determines which portion of the user's speech was not processed and communicated to the other user. The user whose call was terminated is provided with an option to provide the un-communicated speech to the other user. Options can include sending a text version of the un-communicated speech to the other user or sending a voice file to the other user.
Personalizing the audio visual experience during telecommunications
A method and system are provided. The method includes identifying content in a telecommunication session between a caller and one or more other parties. The method further includes dynamically personalizing media provided to the caller on a telecommunication device during at least a portion of a subsequent telecommunication session between the caller and at least one of the one or more other parties based on the identified content in the telecommunication session. The telecommunication session occurs prior to the subsequent telecommunication session.
Mobile electronic device and method for waterproofing mobile electronic device
A mobile electronic device includes: a housing; an acoustic-component contained in the housing; a sound hole formed in the housing, the sound hole being configured to allow communication between an inside and an outside of the housing; a non-breathable waterproof film disposed inside the housing, the waterproof film being configured to cover the sound hole; a compressible member compressed by being pressed against the housing during assembly of the acoustic-component to the housing, the compressible member being configured to form an acoustic-component chamber together with at least the waterproof film, the acoustic-component chamber being configured to hermetically seal the acoustic-component; and an opening configured to allow communication between an inside and an outside of the acoustic-component chamber within the housing, the opening being configured to allow air in the acoustic-component chamber to escape to the outside before the opening is closed in the process of compressing the compressible member.
User terminal apparatus
A user terminal apparatus is provided. The user terminal apparatus includes: a flexible display including: a main area; and a sub area comprising a curved portion and extending from the main area to a side portion of the user terminal apparatus; a housing configured to enclose the flexible display; a sound output hole provided between the flexible display and the housing and configured to output a sound from a call function; and a sound input hole configured to receive an input sound.
UMA/GAN keep-alive mechanism in wireless communication networks
A wireless communication terminal (100) includes a TCP connection keep-alive timer, and a controller configured to optimize keep-alive timer operation by reducing the frequency with which the terminal transmits keep-alive messages. In one implementation, the controller re-sets the keep-alive timer, before expiration thereof, upon sending or receiving a message at the terminal during a TCP connection, wherein the terminal transmits a TCP connection keep-alive message only upon expiration of the keep-alive timer. The terminal may transmit a register request message indicating whether the terminal supports optimized keep-alive timer operation.
Intelligent module sequencing
Methods, devices, and systems are provided for selecting and ordering the firing of application modules based on parameters determined during communication initialization including call type, originator of the call, etc. The module invocation sequence is determined based on criteria determined when a connection is received, which then becomes an attribute of that connection such that subsequent messages belonging to that connection have the same module sequencing applied thereto without re-determining the optimal sequence for each message by analyzing the properties of each message every time.
Assigning addresses in a communications network
A method and apparatus for addressing a message sent from a proxy node to a peer node in a communications network. The proxy node receives from a host node a plurality of multipath messages. Each message of the plurality of multipath messages has an address. The proxy node then applies a rule to assign an address for a single flow message towards the peer node. The single flow message comprises each message of the plurality of multipath messages. The single flow message is then sent towards the peer node.
Geo-referencing media content
Geo origination data is generated for a geo-tagged media device of a user from measurements performed by sensors. The geo origination data is sent to a server system. At the server system, geo-tagged media content elements are selected based on the geo origination data. Further, based on the selected geo-tagged media content elements and the geo origination data, geo-referenced rendering data to be used for rendering media content from the selected geo-tagged media content elements perceivable to the user of the geo-tagged media device is generated. The geo-referenced rendering data can be streamed to the geo-tagged media device along with media content derived from the geo-tagged media content elements for rendering at the geo-tagged media device.
Network-independent programming model for online processing in distributed systems
Systems and methods include a distributed system that uses a declarative language to separate application logic from the network technology used to communicate. For example, in a system with a plurality of processing nodes, each processing node may include at least one processor, a networking layer for communicating with other processing nodes, and a memory storing instructions that, when executed by the at least one processor, cause the processing node to perform operations. The operations may include receiving a processing plan using the networking layer and analyzing the processing plan to determine a service to perform and a number of inputs anticipated for the service. The operations may also include performing the determined service. The processing plan defines a processing tree comprising a subset of the plurality of processing nodes, the processing tree having unidirectional communication from the root to a final level of the tree.
Information processing system, information processing apparatus, and computer-readable recording medium having stored therein control program for information processing apparatus
An information processing system includes: an information processing apparatus; and a terminal device configured to communicate with the information processing apparatus using a connection established between the information processing apparatus and the terminal device. The information processing apparatus notifies the terminal device of scheduled time of release of the connection, and the terminal device determines whether or not current time has passed the scheduled time notified from the information processing apparatus at the time of transmitting a request to the information processing apparatus and, in a case where the current time is determined to have passed the scheduled time, before transmitting the request to the information processing apparatus, transmits a connection request for establishing a connection with the information processing apparatus to the information processing apparatus.
Computer-readable medium storing data editing program
A non-transitory computer-readable medium storing a data editing program causing a computer to execute data editing processing, the data editing processing includes transferring insert data between a transfer start position and a transfer end position to a transfer insertion position; the transferring the insert data including: transferring transfer-start-back-data at and after the transfer start position in a transfer start cluster to a first new cluster; transferring transfer-end-forward-data at and before the transfer end position in a transfer end cluster to a second new cluster; transferring transfer-insertion-forward-data at and before the transfer insertion position or transfer-insertion-back-data at and after the transfer insertion position to the first or the second new cluster; and editing the management data, such that a cluster next to the transfer start cluster is linked after the first new cluster, and a cluster preceding the transfer end cluster is linked before the second new cluster.
Data replication among portable electronic devices
Various embodiments of systems and methods for replicating data included in a portable electronic device to a new portable electronic device are described herein. Initially a copy of data, including an application, stored in the portable electronic device is generated. Next a determination is made whether the application is included in an application distribution platform corresponding to an operating system of the new portable electronic device. Finally based on the determination, the application is downloaded from the application distribution platform to the new portable electronic device.
Network device and information sharing system
In a network system without a server, a network device and a system that can share information in all devices efficiently and surely are provided.CPUs of a plurality of devices connected to a network determine a host device based on device numbers and network strengths of each of the devices. When transmitting share information stored in a memory to the host device, the CPUs of the client devices merge share information transmitted from the other client devices with the share information stored in the memories so as to transmit the merged information to the host device. The CPU of the host device generates share information about all the devices so as to distribute the information to all the client devices. When the share information is changed, the CPU of the host device generates finite difference information with respect to previous share information so as to distribute the information to all the client devices. When the share information is successively changed, the CPU of the host device merges the respective pieces of finite difference information so as to distribute the information to the client devices.
Producer system selection
Processes and systems are disclosed for selecting a producer system from a number of producer systems to lease to a consumer system. A leasing agent, in response to a request from the consumer system for access to a service at a producer system, can identify a producer system to lease to the lease requestor based, at least in part, on a selection weight associated with each producer system that the leasing agent is assigned. The selection weights can be modified based on status information associated with each of the producer systems. This status information may be obtain from the producer systems and/or from a consumer system that has previously accessed the producer system. The consumer system may provide the status information to the leasing agent as part of the consumer system's lease request.
System and method for distributed load balancing with load balancer clients for hosts
Embodiments may include a load balancer configured to, for a given packet received from a remote client, select a host computer of a plurality of host computers according to a load balancing protocol, the selection based on load information updates received from the plurality of host computers. Each load information update may indicate a measure of the respective host computer's capacity to service additional connections with remote clients. The load balancer may provide the given packet to the selected host computer for processing by an application component on the selected host computer, and subsequent to determining that a specific application component on one of the plurality of host computers does not have capacity for additional connections based on the load information updates, continue to send packets for existing connections serviced by the specific application component to the respective host computer without sending packets for new connections to that host computer.
Information processing method, information processing device, and storage medium
An information processing method to be executed by a processor included in an information processing device, the information processing method includes receiving a plurality of requests for constituent elements including a hardware and a software from a plurality of terminal devices; determining, among the plurality of requests, a pair of requests which is different from each other, a similarity of the pair of requests being a level more than a predetermined threshold; selecting terminal devices corresponding the pair of requests; setting a common request including a common element requested by at least two of the selected terminal devices, the common request being different from each of the pair of requests, the common request being different from each of the pair of requests; transmitting the common request and cost information to the selected terminal devices, the cost information being cheaper than each of the pair of requests.
Calendaring activities based on communication processing
A method is provided in one embodiment and includes establishing a communication session involving a first endpoint and a second endpoint that are associated with a session, the first endpoint being associated with a first identifier and the second endpoint being associated with a second identifier. The method also includes evaluating first data for the first endpoint; evaluating second data for the second point; and determining whether to initiate a calendaring activity based, at least in part, on the first data and the second data. In more specific embodiments, the method includes evaluating a first availability associated with the first endpoint; evaluating a second availability associated with the second endpoint; and suggesting a future meeting based, at least in part, on the first availability and the second availability.
Social networking and virtual friends for wearable devices
Techniques described herein may be used to provide wearable devices (e.g., a watch, a clip on device, etc.) for children with virtual friend and social networking services. A virtual friend may include an animal, a cartoon character, or another personality with which the child may interact by talking, asking questions, receiving status updates, etc. Social networking services may be provided so that the child may interact with other children in a social networking environment. The virtual friend and social networking services may be controlled and managed by a parent's smart phone or other handheld device. A parent may place limits on when the virtual friend is available and/or when the child may access the social network. The parent may also have other controls, such as who the child can connect with and contact in the social networking environment.
Method of synchronous image sharing
A method is provided for synchronous sharing of a document between a first and a second terminal. The method includes: transmission of a message to the second terminal comprising the coordinates of at least one contact point defined on the basis of the document to be shared; upon the opening of a viewing time window defined by the intersection of a first and of a second time window defined respectively for the first and the second terminal and each being bounded by the receipt, originating from the terminal, of a sharing agreement message triggered by an action on the at least one contact point and the receipt of an abandonment message triggered by the stopping of the action on the at least one contact point, of transmission of the document and of a command to display the document to the second terminal; and transmission of a command to delete the document upon the closing of the viewing time window.
System and method of transferring control of media playback between electronic devices
A system and method for transferring control of media playback between electronic devices. Playback of media content is initiating at a source device and peer-to-peer device pairing is established with a destination device. Media content from the source device is streamed to the destination device and a determination of whether to transfer media playback control to the destination device is made based on characteristics of the media content. The control of media playback may be transferred to the destination device based on the destination device having a local copy of the streaming media content, a playlist with similar characteristics to the streaming media content, a local media content having similar characteristics to the streaming media content, or a local playlist similar to the playlist from the source device. The peer-to-peer device pairing is terminated when media playback control is transferred, thereby preserving battery and processing power to the source device.
Systems and methods for conferencing
Systems and methods are provided for establishing a video conference session. The systems and methods may include receiving, from a first conference client device, a request to establish a conference session with a second conference client device; determining a first media router for forwarding, to the second conference client device, a media data stream with predetermined attributes of a plurality of first media data streams generated by the first conference client device; determining a second media router for forwarding, to the first conference client, a media data stream with predetermined media attributes of a plurality of second media data streams generated by the second conference client device; and transmitting, to the first conference client device, a first address associated with the first media router and a second address associated with the second media router.
Security compliance framework deployment
A method and system for improving deployment of a security compliance framework is provided. The method includes deploying a data store that includes an authoritative source of information comprising configuration and operational management requirements associated with IT devices. A component comprising an interface for an authoritative source configured to provide authentication and authorization for access to servers of the IT devices is deployed and configured to enable authentication and privilege management for access to deployed and configured authoritative source components. An API interface and compliance framework management components are deployed and configured and message transfer agent API endpoint components of the compliance framework are identified. In response, operation of the compliance framework is enabled with respect to the data store, the authoritative source components, the API interface, the compliance framework management components, and the API endpoint components.
Analyzing DNS requests for anomaly detection
A computer-implemented method for detecting anomalies in DNS requests comprises receiving a plurality of DNS requests generated within a predetermined period. The predetermined period includes a plurality of DNS data fragments. The method further includes receiving a first DNS request and selecting a plurality of second DNS requests from the plurality of DNS requests such that each of the second DNS requests is a subset of the first DNS request. The method also includes calculating a count value for each of the DNS data fragments, where each of the count values represents a number of instances the second DNS requests appear within one of the DNS data fragments. In some embodiments, the count values for each of the DNS data fragments can be normalized. The method further includes determining an anomaly trend, for example, based on determining that at least one of the count values exceeds a predetermined threshold value.
Internet access authorization and regulation systems and methods for controlled environment of an institutional facility
Access and regulations systems to facilitate safe and secure access of web content by residents of an institutional facility such as a correctional facility includes an administrator workstation to define authorized and prohibited web content and associated secondary restrictions, a resident workstation displaying on a predetermined list of web content, and a server receiving and processing the authorized and prohibited web content and requests made by institutional residents.
Compliance validator for restricted network access control
A method, system, and computer program product for detecting and enforcing compliance with access requirements for a computer system in a restricted computer network. A compliance validation configuration file is created for the computer system. A maintenance service utility is configured to launch a compliance validation executable file at a specified time during operation of the computer system. A digital hash is generated for the compliance validation executable file and for the compliance validation configuration file. A determination is made if the computer system or a computer system user is a member of a configured restricted group. If the computer system or the computer system user is a member of a configured restricted group, a determination is made if a directory site code for a subnet of the restricted computer network to which the computer system is connected corresponds to a configured and allowed site. If the directory site code does not correspond to a configured and allowed site, compliance with access requirements are enforced. Enforcement actions can include a forced logoff of the computer system user, and/or a forced shutdown of the computer system.
Methods and apparatus for large scale distribution of electronic access clients
Methods and apparatus for large scale distribution of electronic access control clients. In one aspect, a tiered security software protocol is disclosed. In one exemplary embodiment, a server electronic Universal Integrated Circuit Card (eUICC) and client eUICC software comprise a so-called “stack” of software layers. Each software layer is responsible for a set of hierarchical functions which are negotiated with its corresponding peer software layer. The tiered security software protocol is configured for large scale distribution of electronic Subscriber Identity Modules (eSIMs).
Dynamically generated SSID
A plurality of beacons that do not include any service set identifiers may be broadcast from an access point. A request concerning association with the access point may be sent wirelessly from a user device and received at the access point. A unique service set identifier (SSID) for the requesting user device may be generated, and information regarding the unique SSID may be transmitted to the requesting user device. A subsequent association request from the requesting user device may include the unique SSID.
Mobile security fob
A computer-implemented method comprising: receiving, from a primary factor authentication device by one or more computer systems, a request to enroll a mobile device as a secondary factor authentication device; and enrolling by the one or more computer systems the mobile device as a first, secondary factor authentication device.
Methods and apparatus for generating chaff passwords for use in a password-hardening system
Static and dynamic embodiments are presented for generating chaff passwords for use in a password-hardening system. Chaff passwords are generated by obtaining a source set of passwords comprising at least one valid password for each of a plurality of users; and generating a chaff set of passwords for a given user, wherein the chaff set comprises at least one valid password for the given user and a plurality of chaff passwords for the given user, wherein the plurality of chaff passwords for the given user are obtained from the source set of passwords. Chaff passwords can also be generated by modifying portions of base passwords based on a distribution with which particular strings of digits and symbols appear in user passwords. Location oblivious chaff passwords are generated from a chaff set of passwords obtained from a chaff generation method by applying a random permutation over the elements of the obtained chaff set of passwords.
Web form protection
A request for a web page is received and the requested web page is retrieved. The web page is modified to obfuscate a set of form attribute values into a corresponding set of obfuscated form attribute values. The modified web page is transmitted to the requesting device. The modified web page does not include the set of form attribute values in their original form. Form data for the set of obfuscated form attribute values is received from the requesting device. The set of obfuscated form attribute values is deobfuscated thereby revealing the original set of form attribute values. The form data for the set of original form attribute values is further processed.
Private anonymous electronic messaging
Private anonymous electronic messaging between a message originator and a message recipient within an organization encourages open communication which can provide information to the organization that might otherwise be secreted from the organization, and can allow the message originator to obtain desired help (e.g., counseling). By profiling of the message originator based on current and previous electronic messaging within the system as well as external organizational information (e.g., behavioral or financial information), the system can assess concerns yet act as a gateway to protect the message originator's true identity through escalating levels of concern unless a genuine concern about the health, well-being, and/or safety of the message originator, others, or the organization is indicated, in which case the system can reveal the true identity of the message originator as appropriate.
Systems and methods for dynamically registering endpoints in a network
Various systems and methods for dynamically registering a communication device with a network are disclosed. As one example, a system is disclosed that includes a home feature server, a central feature server, and a floating feature server. The floating feature server is communicably coupled to at least the home and central feature servers, and the home feature server is communicably coupled to at least the central feature server. The home feature server is associated with a communication device. The floating feature server is communicably coupled to a computer readable medium that includes instructions executable by the floating feature server to: receive an access request from the communication device; issue a services request to the home feature server; and service the access request. In some cases, the computer readable medium further includes instructions executable to determine that the first services access request failed, and to issue a second services access request to the central feature server. Various other embodiments and/or features are also disclosed.
Address book information service system, and method and device for address book information service therein
Provided are an address book information service system, and a method and a device for an address book information service therein, whereby: a terminal device in the address book information service system sets groups in an address book according to category information and transmits group information on the set groups and preset user information to a service device; the service device searches new address book information corresponding to the group information on the basis of the location of a user by using the group information and the user information and transmits the searched new address book information to the terminal device; and the terminal device automatically registers the received new address book information in the address book, thereby enabling the user to easily look up new address book information.
Methods for dynamic DNS implementation and systems thereof
A method, computer readable medium, and device for dynamic DNS implementation, comprises receiving, at a network traffic management device, a first DNS response from a DNS server, wherein the first DNS response is compliant with Internet Protocol version 4 (IPv4). The first DNS response corresponds to a first DNS request from a client device being compliant with Internet Protocol version 6 (IPv6). The first DNS response is converted into a DNS second response that is compliant with IPv6, by attaching a prefix that identifies a network gateway device which is to handle receive subsequent non-DNS requests from the client device. The second DNS response is routed to the client device. Subsequent non-DNS requests from the client device that contain at least a part of the prefix allow the network traffic management device to route the non-DNS request through the designated network gateway device.
Classification and status of users of networking and social activity systems
Classifications and statuses can be assigned to entities and devices associated with a network (e.g., users of a social activity or networking system) based on media, application, network and/or other information (e.g., purchasable product information). A status or classification can pertain to a subject matter that is, for example, associated with a media and/or applications in a very broad sense or in a specific context (e.g., category, genre, item). As such, a status or a classification can, for example, provide valuable information regarding a user to other users of a social activity system. Among other things, a status or a classification can be used to manage a social activity system, as well as managing information provided by the social activity system.
Method, system and client for directionally published microblog messages
Method, system and device for acquiring directionally published microblog messages are disclosed. A first client acquires an instruction for reading a microblog message from a first user, wherein the instruction comprises a keyword of the first user; the first client extracts directionally published microblog messages matching with the keyword of the first user from an outbox of a second user, wherein the second user is followed the first user and has a directional publishing authority; and the first terminal displays the extracted directionally published microblog messages to the first user. Through the solutions provided the present disclosure, a first user only needs to access an outbox of a second user for acquiring a microblog message, and thus the first user does not need to delete the microblog message. The operation of the first user is simplified, and thereby the user experience will be improved.
Forgotten attachment detection
A user is writing an email or other message. The message is inspected for a predetermined word and for at least one of: a predetermined phrase or a template match. A score is generated if the predetermined phrase or the template match is detected. A suggestion is provided to a user that the message may need an attachment if the predetermined word is detected or if the score is greater than a predetermined score. The inspection may begin when the user begins creating the message, indicates that the message should be sent, or at some point in between. The user may provide feedback that the suggestion is accepted or that the suggestion is rejected.
Multi-chip module with a high-rate interface
A multi-chip module (MCM) may include a substrate, and first and second physical-layer (PHY) chips mounted on the substrate. In some implementations, the first PHY chip includes a multiplexer and a PHY circuit. The multiplexer is configured to receive a multiplexed data stream from a media access control (MAC) device, to demultiplex the multiplexed data stream into first and second data streams, to output the first data stream to the PHY circuit, and to output the second data stream to the second PHY chip. In some implementations, the first PHY includes a router and a PHY circuit. The router is configured to receive a plurality of data packets from a MAC device, to route one or more of the data packets having a first address to the PHY circuit, and to route one or more of the data packets having a second address to the second PHY chip.
Client selection in a distributed strict queue
Methods and systems for implementing client selection in a distributed strict queue are disclosed. A plurality of messages are distributed to a plurality of queue servers based on strict order parameters for the messages. Messages that share a value for the strict order parameter are distributed to the same queue server. The messages are enqueued at the queue servers. Messages that share a value for the strict order parameter are enqueued in a strict order based on the time of receipt at the queue server. One or more queue clients are selected to process the enqueued messages. The queue clients are selected based on their message processing capability along with the message processing throughput for values for the strict order parameter.
Pacing enhanced packet forwarding/switching and congestion avoidance
The subject technology discloses configurations for receiving, at a first network device, a set of network packets corresponding to a first flow from a client, wherein the set of network packets includes a destination address of a second network device; detecting, in the received set of network packets, pacing rate information indicating a specified pacing rate for transmission of the network packets; determining, based on the detected pacing rate, a desired pacing rate to reduce packet dropping on route to the second network device; and transmitting, by the first network device, the set of network packets over an egress link at the desired pacing rate.
Efficient mechanism to improve data speed between systems by MPTCP and MIMO combination
An apparatus for improving data transfer speed by using Multipath Transport Control Protocol (MPTCP) and Multiple-Input Multiple-Output (MIMO) combination, wherein the apparatus comprises a user interface module called Application Management System (AMS) module (100) to receive user inputs for managing transport protocol (MPTCP or conventional TCP/UDP/SCTP) usage selection. The apparatus also includes a Selection, Inspection Control (SIC) middleware module (101) which STARTs and STOPs the corresponding MPTCP module or conventional TCP/UDP/SCTP module based on the user inputs received from AMS. The MPTCP module splits the data traffic into multiple TCP subflows and sends the subflows via wired network interface (104), wherein each network interface is connected to one MIMO systems (107) for achieving efficient data transfer.
Processing packet header with hardware assistance
In processing data packet headers, a packet pre-processor is configured with at least one predetermined header field identifier. The packet pre-processor detects at least one header field identifier in a header field of a data packet received over a communication session between a host and a server, matches the predetermined header field identifier to the header field identifier in the data packet, generates a header report block comprising information corresponding to the header field identifier in the data packet, and sends the data packet and the header report block to a processor module for processing the data packet based on the header report block. The processor module receives the data packet and the header report block from the packet pre-processor, retrieves a service policy using the header report block, applies the service policy to the data packet, and sends the data packet to the host or the server.
Dynamically adjusting network services stratum parameters based on access and/or connectivity stratum utilization and/or congestion information
A method, operational at a network device, for conveying congestion information across different strata of a multi-strata network is provided. An indication is obtained that a congestion level for at least one of a radio access network node and a core network node of a network has changed. Consequently, a one or more service parameters for a plurality of services, operating at a service stratum, are updated or adjusted on a per service basis based on the congestion level indication. The one or more service parameters are provided or sent to, at least one of, a node operating at a service stratum or a user device that obtains services over the network.
Communication node, control apparatus, method for management of control information entries and program
The communication node includes an entry memory adapted to store a preset number of the control information entries, each stipulating the processing applied to a packet received, in association with the user information, and a packet processor that references the entry memory to process the packet received. The communication node also includes an entry management section that exercises control so that, on the basis of a preset reference, the proportion of the number of the control information entries for one user stored in the entry memory to the number of the control information entries storable in the entry memory will not surpass a preset value.
Method and apparatus for selecting path from paths between label edge routers
The embodiments disclose a method and apparatus of selecting a path for transmission from paths between a first LER and a second LER in the MPLS network. The method may comprise: obtaining state information of the paths between the first LER and the second LER, the state information may indicate that a path is in up state or down state; obtaining stability information of at least one of the paths between the first LER and the second LER, the stability information may indicate that a path is stable or unstable; and selecting a path for transmission based on the state information and the stability information.
Transferring data over a network includes identifying an application flow and mapping the application flow to a network bound connection.
RSVP make-before-break label reuse
Techniques are described for reusing downstream-assigned labels when establishing a new instance of a label switched path (LSP) prior to tearing down an existing instance of the LSP using make-before-break (MBB) procedures for RSVP. The techniques enable a routing engine of any non-ingress router along a path of the new LSP instance to reuse a previously allocated label for the existing LSP instance as the downstream assigned label for the new LSP instance when the paths of the existing LSP instance and the new LSP instance overlap. In this way, the non-ingress router does not need to update a label route in its forwarding plane for the reused label. When the new LSP instance completely overlaps the existing LSP instance, an ingress router of the LSP may avoid updating an ingress route in its forwarding plane for applications that use the LSP.
Differentiated quality of service using tunnels with security as a service
A computer-implemented method includes sending a first request message to a first server associated with a first access network indicative of a request for an indication of whether the first server is configured to support prioritization of tunneled traffic, receiving a first response message from the first server indicative of whether the first server is configured to support prioritization of tunneled traffic, establishing one or more first tunnels with a security service when the first response message is indicative that the first server is configured to support prioritization of tunneled traffic, sending first flow characteristics and a first tunnel identifier to the first server; and receiving the first flow characteristics for each first tunnel from the first server at a first network controller. The first network controller is configured to apply a quality of service policy within the first access network for each tunnel in accordance with the flow characteristics.
Asymmetric dynamic routing
A method for dynamic routing is provided. Status information of a multichannel video and data distribution service (MVDDS) channel from customer premises equipment (CPE) is received. The status information is evaluated to determine if data destined for the CPE over the MVDDS channel should be routed over a secondary channel. Data destined for the CPE is route over the secondary channel when the data is determined to be routed over the secondary channel.
Communication system, control apparatus, and network topology management method
A communication system includes: a control apparatus configured to set control information, which causes each control target switch to distinguish a link layer discovery protocol packet of a first network from a link layer discovery protocol packet of a second network different from the first network and to perform corresponding predetermined processing, in each control target switch; a group of switches each of which is configured to transmit a link layer discovery protocol packet of the first network to a predetermined topology management apparatus in accordance with control information set by the control apparatus; and a topology management apparatus configured to manage a network topology configured by the group of switches on the basis of information included in a link layer discovery protocol packet of the first network received from each of the switches.
Channel availability checks with device monitoring
The disclosed subject matter includes techniques for performing a channel availability check. A method includes initiating, via a processor of a master device, a first connection on a first wireless channel with a subordinate device and transmitting, via the processor, a beacon to the subordinate device. The method includes monitoring, via the processor, the first wireless channel for a first predetermined amount of time for a connection request from the subordinate device in response to the beacon. The method includes performing the channel availability check to detect energy profiles on a second wireless channel for a second predetermined amount of time after the first predetermined amount of time. The processor may cycle between transmitting the beacon and monitoring the first wireless channel and performing the channel availability check on the second wireless channel until a threshold time is exceeded, the connection request is detected, or an energy profile is detected.
Distributed computing system
Aspects of the present disclosure are directed toward a distributed computing system in which host computing devices host computing services that are only accessible by client computing devices and other computing services associated with a particular computing channel for a line-of-business and in which host computing devices host computing services that are accessible by client computing devices and other computing services across lines of business. The computing services are configured according to a common application interface (API) that provides a modular configuration allowing the computing services to be deployed across multiple computing channels for multiple lines-of-business respectively. Aspects of the present disclosure are also directed toward an automated deployment system that is configured to automatically deploy computing services at a computing platform based on a computing platform template and one or more computing service templates.
System and method for managing access point functionality and configuration
A system for managing access point functionally and configuration includes a server that is coupled to a computer network and configured to communicate with an access point via the computer network. The access point is configured to couple a mobile device to the computer network by providing a wireless link between the mobile device and the access point. The access point is further configured to produce a status point regarding the access point and the server is configured to receive the status report from the access point following a trigger event at the access point. In other examples, the server is further configured to transmit a response message and/or a configuration file to the access point in response to the status report that is received at the server. Other features and systems are also disclosed.
Using transactions to minimize churn in a distributed network control system
A particular network controller receives a first set of inputs from the first controller and a second set of inputs from the second controller. The particular controller then starts to compute a set of outputs using the first set of inputs. After a failure of the first controller, the particular controller receives a third set of inputs from the second controller. The third set of inputs and the first or second set of inputs makes up a group of inputs for being processed together and separately from another group of inputs. The particular controller then receives an indicator from the second controller, which indicates that all inputs of the group of inputs have arrived at the particular controller. After receiving the indicator and after computing the set of outputs completely, the particular controller sends the set of outputs to a fourth controller or to a managed forwarding element.
Backhaul fault analysis for femto network
Described herein are systems and methods for determining IP backhaul issues in a femtocell network. A fault analysis tool retrieves log files from various components within the femtocell network and, using programmed logic, parses the log files and determines whether it is likely that an issue exists with the IP backhaul that prevents the femtocell network from communicating with the network of a wireless carrier. Additional automated tools are able to identify issues within the femtocell network and send instructions to one or more components in the femtocell network to correct the issues.
Method and apparatus of providing emergency communication services
Disclosed is an electrical device and method of automatically searching for and connecting to known or unknown available public communication infrastructure and/or devices in the vicinity using a multi-layer communication model. Each layer may include binding information for local available communication methods and shareable hardware devices, a routing table, and, if applicable, one or more logon profiles for service providers. Communication layers may be built by searching for available public communication infrastructure and/or devices in the vicinity by actively sending out connection requests to all addressable destinations along the available transport medium. Each node is able to access and use the communication infrastructure of each other node. Switching between layers as they become inoperable and/or become available without any user interaction required is also possible.
Methods and apparatus for multi-carrier communications with efficient control signaling
A profile of interference received by the mobile station is estimated from one or more neighboring base stations. The profile of interference may be a function of frequency within a channel bandwidth. The profile of interference is quantized. An uplink signal is transmitted to a serving base station, wherein the uplink signal carries the quantized profile of interference.
Distributed dynamic configuration of a scalable radio frequency communication system
A device implementing a distributed dynamic configuration of a scalable radio frequency communication system includes a primary radio frequency (RF) integrated circuit (RFIC) and at least one secondary RFIC. The primary RFIC includes at least one phase shifter, and the primary RFIC may be configured to apply a first phase shift to an RF signal using the at least one first phase shifter, and to transmit the RF signal to at least one secondary RFIC. The at least one secondary RFIC includes at least one second phase shifter, and the at least one secondary RFIC may be configured to apply a second phase shift to the RF signal using the at least one second phase shifter, and to transmit the RF signal via at least one antenna element. The first and second phase shifts may be received by the primary RFIC from a baseband processor.
In the subject system, a receiver includes a feed forward circuit, a phase recovery circuit, and a feedback circuit. The feed forward circuit compensates for near reflections and provides an input to the phase recovery circuit and the feedback circuit. The phase recovery circuit performs phase recovery and provides phase recovery information to the feedback circuit. The feedback circuit adjusts and/or corrects a received symbol based at least in part on the received phase recovery information.
Authenticating electronic content
The present invention provides for an authenticity marker to be embedded within web page and/or email content which allows a user to validate that the content originates from the true source of the content and is not merely a copy. The method includes a user requesting content in the form of a web page and/or email from a server using a web browser or email client. The server receives the request, retrieves the content and forwards it to an authentication server. The authentication server inserts into the retrieved content a unique fractal icon and/or information only known between the owner of the content and the user.
System and methods for permitting open access to data objects and for securing data within the data objects
A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. The method includes the steps of (1) providing a data object comprising digital data and file format information; (2) embedding independent data into a data object; and (3) scrambling the data object to degrade the data object to a predetermined signal quality level. The steps of embedding and scrambling may be performed until a predetermined condition is met. The method may also include the steps of descrambling the data object to upgrade the data object to a predetermined signal quality level, and decoding the embedded independent data.
Device and method for generating a session key
A device and method are provided for establishing a session key between two entities of a communication network that may be highly heterogeneous in terms of resources. The method, based on the Diffie-Hellman (DH) algorithm, provides for the delegation to assistant nodes of the network of the cryptographic operations required for the computations of the DH public value and of the DH session key for the node which is constrained in terms of resources.
Compact, low power advanced encryption standard circuit
Embodiments of an invention for a compact, low power Advanced Encryption Standard circuit are disclosed. In one embodiment, an apparatus includes an encryption unit having a substitution box and an accumulator. The substitution box is to perform a substitution operation on one byte per clock cycle. The accumulator is to accumulate four bytes and perform a mix-column operation in four clock cycles. The encryption unit is implemented using optimum Galois Field polynomial arithmetic for minimum area.
Encryptor/decryptor, electronic device including encryptor/decryptor, and method of operating encryptor/decryptor
An encryptor/decryptor, an electronic device including the encryptor/decryptor, and a method of operating the encryptor/decryptor are provided. The method of operating the encryptor/decryptor includes distributing an input plaintext stream to a plurality of encryption/decryption cores by pieces of plaintext data; performing a first operation by a first encryption/decryption core from among the plurality of encryption/decryption cores; and encrypting the plaintext data to ciphertext data or decrypting the ciphertext data to the plaintext data by each of the plurality of encryption/decryption cores by using a result of performing the first operation in the first encryption/decryption core.
Method and arrangements in multi-band receivers
In a method of a heterodyne FDD receiver for enabling reception of a multi-band RXRF signal spectrum, an RXRF signal spectrum is received, which comprises a lower frequency band and a higher frequency band. A Local Oscillator, LO, output frequency, fLO, is selected based on a frequency fA of the lower frequency band, and a frequency fB of the higher frequency band. Moreover, the RXRF signal spectrum is frequency shifted into an RXIF signal spectrum, by mixing the RXRF signal spectrum with the LO output frequency fLO. The LO frequency fLO is selected to satisfy fA
Method of configuring cyclic prefix for small cell in wireless communication system and apparatus therefor
Disclosed herein is a method of transceiving a signal between a transmitter and a receiver in a wireless communication system. The method includes transceiving the signal in units of a subframe including a plurality of symbols. Each of the plurality of symbols includes a valid symbol and a cyclic prefix, and a length of the cyclic prefix is changed according to a distance between the transmitter and the receiver.
Method for transmitting uplink signal to minimize spurious emission and user equipment thereof
A method for limiting a spurious emission, and a user equipment (UE) thereof are discussed. The method according to one embodiment includes configuring a radio frequency (RF) unit of the UE to use a band 1; if the RF unit is configured to use the band 1, controlling the RF unit of the UK to limit a maximum level of spurious emission to −50 dBm for protecting another UE using a band 5; and transmitting an uplink signal through the configured RF unit. The band 1 includes an uplink operating band of 1920-1980 MHz and a downlink operating band of 2110-2170 MHz. The band 5 includes an uplink operating band of 824-849 MHz and a downlink operating band of 869-894 MHz.
Methods and systems for orthogonal frequency division multiplexing (OFDM) multiple zone partitioning
Aspects of the invention include methods and devices for inserting data and pilot symbols into Orthogonal Frequency Division Multiplexing (OFDM) frames having a time domain and a frequency domain. A method involves inserting in at least one zone of a first type a two dimensional array of data and pilot symbols in time and frequency and inserting in at least one zone of a second type a two dimensional array of data and pilot symbols in time and frequency. In some implementations the zone of the first type comprises common pilot symbols that can be detected by all receivers receiving the OFDM frame. In some implementations the zone of the second type comprises dedicated pilot symbols that are only detectable by a receiver that is aware of pre-processing used to encode the dedicated pilot symbols.
Base station, processor, communication control method and user terminal
A base station that communicates with a plurality of user terminals in a mobile communication system in which a radio signal including a reference signal for estimating a channel characteristic is transmitted and received, comprises: a control unit that changes a reference signal density that is a density of the reference signal applied to communication with the plurality of user terminals. The control unit calculates a statistics amount of communication quality information acquired for all the plurality of user terminals, and changes the reference signal density on the basis of the statistics amount.
Wireless base station apparatus, wireless terminal apparatus, frequency resource allocation method, and method of forming transmission signal
A wireless base station apparatus and wireless terminal apparatus with a configuration which can prevent reductions in the accuracy of channel estimation when non-contiguous band transmission and SRS transmission are employed in an uplink line. In the base station apparatus (100), an allocation setting unit (106), which sets the reception band of an SRS at an SRS extraction unit (103) and sets the units of frequency allocation (RBG) at a CQI estimation unit (104) and allocation unit (105), matches the frequency position at the end of the SRS reception band to the frequency position at the end of any of the units of frequency allocation and sets the reception bandwidth of the reference signal to a natural number multiple of the bandwidth of the unit of frequency allocation. In the terminal apparatus (200), a band information setting unit (204), which sets the transmission band and units of frequency allocation (RBG), matches the frequency position at the end of the transmission band to the frequency position at the end of any of the units of frequency allocation and sets the transmission bandwidth of the SRS to a natural number multiple of the bandwidth of the unit of frequency allocation.
Generating and processing MAC-ehs protocol data units
A wireless transmit/receive unit (WTRU) may disassemble enhanced high speed medium access control (MAC-ehs) protocol data units (PDUs) to provide reordering PDUs. A reordering PDU may include a MAC-ehs service data unit (SDU) or a segment of the MAC-ehs SDU. The WTRU may reassemble the MAC-ehs SDU from segments of the MAC-ehs SDU disassembled from a reordering PDU. The WTRU may route the reassembled MAC-ehs SDU to a logical channel of a plurality of logical channels.
Low complexity error correction
For low complexity error correction, a decoder modifies each reliability metric of an input data stream with a random perturbation value. The reliability metric comprises a weighted sum of a channel measurement for the input data stream and parity check results for the input data stream. In addition, the decoder may generate an output data stream as a function of the reliability metrics.
System and method for rate adaptation based on total number of spatial streams in MU-MIMO transmissions
Wireless node selects modulation coding schemes (MCS) and number of spatial streams for transmitting data to devices via a MU-MIMO transmission based on the total number of spatial streams. In one implementation, a wireless node selects first MCS, first number of spatial stream(s) for a first device, and total number of spatial streams to be used in the MU-MIMO transmission so as to maximize the data rate to the first device, then selects a second MCS and a second number of spatial stream(s) for a second device based on the selected total number of spatial streams. In another implementation, the wireless node toggles the first selection of the MCS and spatial stream(s) between the first and second devices for fairness purposes. In another implementation, a wireless selects the MCS and the spatial streams for the receiving nodes so as to maximize the aggregate data rate for the MU-MIMO transmission.
System and method for generating an audio file
The present invention relates to a computer implemented system and method for generating an audio output file. The method including using one or more processors to perform steps of: receiving audio tracks, each audio track created according to audio parameters; separating each audio track into at least one selectable audio block, each audio block including audio content from a musical instrument involved in creating the audio track; assigning a unique identifier to each audio block; using the unique identifiers to select audio blocks, and generating the audio output by combining the audio blocks. The present invention prevents the use of the same combination of audio blocks in the generation of audio output to ensure that the audio output files generated a sufficiently unique. Also provided are audio file recording, editing and mixing modules enabling a user to have full creative control over mix and other parameters to modify as desired the audio file generated.
Broadband unidirectional ultrasound propagation
A passive, linear arrangement of a sonic crystal-based apparatus and method including a 1D sonic crystal, a nonlinear medium, and an acoustic low-pass filter, for permitting unidirectional broadband ultrasound propagation as a collimated beam for underwater, air or other fluid communication, are described. The signal to be transmitted is first used to modulate a high-frequency ultrasonic carrier wave which is directed into the sonic crystal side of the apparatus. The apparatus processes the modulated signal, whereby the original low-frequency signal exits the apparatus as a collimated beam on the side of the apparatus opposite the sonic crystal. The sonic crystal provides a bandpass acoustic filter through which the modulated high-frequency ultrasonic signal passes, and the nonlinear medium demodulates the modulated signal and recovers the low-frequency sound beam. The low-pass filter removes remaining high-frequency components, and contributes to the unidirectional property of the apparatus.
Wavelength stabilizer for TWDM-PON burst mode DBR laser
An optical network unit (ONU) comprising a media access controller (MAC) configured to support biasing a laser transmitter to compensate for temperature related wavelength drift receiving a transmission timing instruction from an optical network control node, obtaining transmission power information for the laser transmitter, estimating a burst mode time period for the laser transmitter according to the transmission timing instruction, and calculating a laser phase fine tuning compensation value for the laser transmitter according to the burst mode time period and the transmission power information, and forwarding the laser phase fine tuning compensation value toward a bias controller to support biasing a phase of the laser transmitter.
Optical transceiver module having unibody structure
An optical transceiver module having unibody structure is disclosed. The unibody structure comprises a single-piece substrate, an optical interface, and an optical engine. The components of the optical interface and the components of the optical engine are directly attached to the single-piece substrate.
Distributed outdoor network apparatus and methods
Novel tools and techniques providing for the robust wireless distribution of communications signals from a provider to multiple customer premises. Certain embodiments comprise one or more modular communications apparatuses which are located near to customer premises. The modular communications apparatuses features an enclosure which is, at least in part, transparent to radio frequencies. A modular communications apparatus also typically includes one or more communications radios or transmitter/receiver devices within the enclosure. The apparatus also includes at least one and possibly more than one antenna located within the enclosure along with wire or cable-based signal output apparatus.
System and method for passive optical network backhaul
A system is described for providing backhaul over an Ethernet passive optical network (EPON). The backhaul may be backhaul for EV-DO and/or EV-DO Rev. A communications. The system for includes at least one cell site. At least two base transceiver stations are located at the cell site. The base transceiver stations receive radio signals from respective mobile stations. A first one of the base transceiver stations provides a first backhaul signal, and a second one of the base transceiver stations provides a second backhaul signal. The cell site multiplexes these backhaul signals together onto an Ethernet passive optical network. In one embodiment, these signals are provided on different pseudowire connections within a single wavelength lambda on the passive optical network. In another embodiment, the signals are provided on different lambdas of the network.
Technology for laser communications is provided. In one example, a method may include generating a communication for transmission from a first terrestrial computing device to a second terrestrial computing device and encoding the communication as an optical transmission from a first laser array in communication with the first terrestrial computing device. The optical transmission may be transmitted, using the first laser array, to a first satellite and relayed from the first satellite to a second satellite using a second laser array at the first satellite. The optical transmission may be further relayed from the second satellite to the second terrestrial computing device using a third laser array at the second satellite. The lasers in the first, second and third laser arrays may be low power laser diodes configured for a power level less than 1 kW.
Optical communication for body mountable devices
A system includes one or more optical emitters, a transceiver, and a body mountable device. The optical emitters emit light and are configured to be used in luminaires. The transceiver is coupled to receive input data from a data network and coupled to selectively modulate the optical emitters to transmit the optical data. Selectively modulating the optical emitters is in response to the input data. The body mountable device includes a photodetector coupled to receive the optical data and processing circuitry configured to initiate an action in response to receiving the optical data from the photodetector.
Conditional access system for satellite outdoor unit
A method and apparatus is disclosed to restrict the delivery of video, audio, and/or data to unauthorized end users in a satellite communications system. The satellite communications system includes one or more satellite receiving antennas, commonly referred to as a satellite dish, to receive downlink communications signals from one or more satellites. The transmission received by the one or more satellite receiving antennas is converted by an outdoor unit (ODU) for transmission to one or more indoor units (IDUs). The ODU receives control information from one or more satellites from the downlink communications signals, commonly referred to as in-band, and/or from out-of-band communications signals. The ODU may use the control information to restrict access to one or more communications channels embedded within the downlink communications signals to the unauthorized end users.
Electronic device and antenna control method thereof
An electronic device is provided. The electronic device includes a first antenna, a second antenna, a transmission/reception path unit, a first reception path unit, a second reception path unit including a low noise amplifier (LNA), a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit, and a radio frequency integrated circuit (RFIC) module or a processor including the RFIC module configured to control the signal path selection unit to have a first state in which the first antenna is connected to the transmission/reception path unit and the second antenna is connected to the second reception path unit or control the signal path selection unit to have a second state in which the first antenna is connected to the first reception path unit and the second antenna is connected to the transmission/reception path unit.
Transmission method, transmitter, and receiver for multi antenna wireless communication system
A transmitter includes first generator to generate pilot source signal by modulating pilot sequence, second generator to generate data source signal with time length longer than that of pilot source signal by modulating data sequence, first cyclic shifter to perform cyclic shift of first shift amount to pilot source signal to generate first pilot signal, second cyclic shifter to performs cyclic shift of second shift amount to data source signal to generate first data signal, third cyclic shifter to perform cyclic shift of third shift amount to pilot source signal to generate second pilot signal, fourth cyclic shifter to perform cyclic shift of fourth shift amount to data source signal to generate second data signal, first transmit antenna to transmit first pilot signal and first data signal, and second transmit antenna to transmit second pilot signal and second data signal.
Method and apparatus for measuring and reporting a rank and a precoding matrix for multiple-input multiple-output communication
A method and apparatus for measuring and reporting a rank and/or a precoding matrix for multiple-input multiple-output (MIMO) communication are disclosed. A metric indicating a channel condition is measured and a rank is selected based on the metric. The metric may be a signal-to-interference and noise ratio (SINR), throughput, a block error rate (BLER), system capacity, a sum rate, or the like. An SINR for each radio block group (RBG) for each rank is calculated. A data rate is calculated for each RBG based on the SINR for each rank. An overall rate for all RBGs is calculated for each rank. At least one rank is selected based on the overall rate. At least one precoding matrix may be selected jointly with or separately from the at least one rank.
Precoding codebook bitmaps in telecommunications
A base station node (28) communicates over a radio interface (32) with a wireless terminal (30). The base station node (28) comprises a controller (60) which, upon basis of channel feedback received from the wireless terminal, is configured to make a precoding codebook bitmap decision (3-3) regarding a precoding codebook bitmap affecting transmissions between the base station (28) and the wireless terminal (30). The base station (28) is further configured to communicate the precoding codebook bitmap decision so that the precoding codebook bitmap decision may be implemented by the wireless terminal (30). In example embodiments and modes the base station (28) sends the precoding codebook bitmap decision using a bitmap decision signal to a radio network controller (26).
Pre-coding method and transmitter
Disclosed is a transmission scheme for transmitting a first modulated signal and a second modulated signal over the same frequency at the same time. According to the transmission scheme, a precoding weight multiplying unit multiplies a baseband signal after a first mapping and a baseband signal after a second mapping by a precoding weight and outputs the first modulated signal and the second modulated signal. In the precoding weight multiplying unit, precoding weights are regularly hopped.
Portable electronic device and operation method for establishing a near field communication link
A portable electronic device (110) with a NFC (near field communication) unit (114) is switchable between an active mode and a passive mode. A motion sensor unit (112) records a motion of the portable electronic device (110), and outputs a motion signal descriptive for the recorded motion. A processing unit (111) analysis the motion signal to detect a first predefined motion pattern including an acceleration and a deceleration phase. The NFC unit (114) is switched into the active mode upon detection of a first predefined motion pattern descriptive for an NFC touch gesture.
Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system
A method for transmitting signals over a power line network, wherein within the power line network at least one transmitter and at least one receiver communicate via at least two channels, each channel including a respective feeding port of at least one transmitter and the respective receiving port of the at least one transmitter and transmitter including at least two feeding ports. The method: determines a channel characteristic of each of the channels; applies a feeding port selection criterion based on the channel characteristic; and selects an excluded feeding port among the at least two feeding ports based on the feeding port selection criterion, wherein the excluded feeding port is not used during further communication. A corresponding power line communication modem can implement the method.
Belt system interface apparatus for use with radio transmitter
A radio connection apparatus configured for use with a radio comprising an accessory connector arrangement is provided. The radio connection apparatus includes a radio connector configured to join with the radio accessory connector arrangement and a pouch connector configured to fixedly interconnect with a connector of a radio pouch such that removal of the radio from the pouch causes removal of the pouch connector from the connector of the radio pouch. The radio connector and pouch connector electrically interconnect with a processing device such that signals are transmitted between the radio and the processing device.
System of on-body mobile devices and methods of operation
A system of mobile devices that reduces the transmission strength of outgoing signals originating from a handheld device, and sends such signals to a second device, situated near or on a lower-body location, where the signals may be amplified to the current permitted maximum transmission strength vis-a-vis the brain (SAR), or above that level to the greater maximum strength permitted in the areas of, e.g., the feet and ankles, where the signal is then sent outward. The devices divert radio frequency (RF) radiation exposure downward toward the lower extremities. The intelligence and power of the devices may be split between two or more devices, resulting in longer use time, deeper and more complex computing capability, and fewer disruptions due to power. In addition, a benefit in one or more embodiments is better, more reliable reception, due to the use of two or more coordinated receiving antennas.
This invention is about the switched multiplexers used for adaptive filtering in systems operating in signal dense environments such as electronic warfare systems. The aim of this invention is to design a switched multiplexer with lower input/output return losses and having lower level of destructive interaction between channels compared to the known examples.
A semiconductor device according to the present invention has a capacitance DAC (Digital-to-Analog Converter) circuit and a comparator.The capacitance DAC circuit includes: first capacitors to which input signals are given and each of which has a capacitance value corresponding to a weight of a bit to be converted; and second capacitors to which common voltages are given and whose sum of capacitance values is equivalent to that of the first capacitors. Further, the second capacitors include: a redundant bit capacitor having a capacitance value corresponding to a weight of a redundant bit; and adjustment capacitors each having a capacitance value obtained by subtracting the capacitance value of the redundant bit capacitor from the sum of the capacitance values of the second capacitors.
Asynchronous pulse domain to synchronous digital domain converter
An asynchronous pulse domain to synchronous digital domain converter for converting pulse domain signals in an input asynchronous pulse domain data stream to synchronous digital domain signals in a data output stream. The converter comprises a plurality of counters arranged in a ring configuration with only one counter in the ring being responsive at any given time to positive and negative going pulses in the input asynchronous pulse domain data stream, each counter, when so responsive, counting a number of time units between either (i) a positive going pulse and an immediately following negative going pulse or (ii) a negative going pulse and an immediately following positive going pulse, the counts of the counters when so responsive being synchronously converted to synchronous digital domain signals in the data output stream. The disclosed asynchronous pulse domain to synchronous digital domain converter can be used with spike domain signals if desired.
Background flash offset calibration in continuous-time delta-sigma ADCS
Analog-to-digital converters (ADCs) can be used inside ADC architectures, such as delta-sigma ADCs. The error in such internal ADCs can degrade performance. To calibrate the errors in an internal ADC, comparator offsets of the internal ADC can be estimated by computing a mean of each comparator of the internal ADC. Relative differences in the computed means serves as estimates for comparator offsets. If signal paths in the internal ADC are shuffled, the estimation of comparator offsets can be performed in the background without interrupting normal operation. Shuffling of signal paths may introduce systematic measurement errors, which can be measured and reversed to improve the estimation of comparator offsets.
Reference-frequency-insensitive phase locked loop
A phase locked loop may be operable to generate, utilizing a frequency doubler, a reference clock signal whose frequency is twice a frequency of a crystal clock signal and is keyed on both rising and falling edges of the crystal clock signal. A sampled loop filter (SLPF) in the phase locked loop may capture charge from a charge pump (CHP) in the phase locked loop and the charge is captured at a frequency corresponding to the frequency of the reference clock signal. Opening a switch of the SLPF may hold the captured charge during a phase comparison and closing the switch may release the captured charge. The switch is controlled utilizing a control signal. By utilizing the SLPF in the phase locked loop, the phase locked loop may eliminate, at an output of the CHP, disturbance which is associated with duty cycle errors of the crystal clock signal.
Digital secondary control loop for voltage converter
An apparatus is disclosed, including a driver circuit, a comparator circuit, and a counter circuit. The driver circuit may be configured to source a current to a load circuit. The comparator circuit may be configured to perform a comparison of a reference voltage to a voltage across the load circuit. The counter circuit may be configured to modify a digital count value based on the comparison. The driver circuit may be further configured to adjust a value of the current using the digital count value.
3D field programmable gate array system with reset management and method of manufacture thereof
A 3D field programmable gate array (FPGA) system, and method of manufacture therefor, includes: a field programmable gate array (FPGA) die having a configurable power on reset (POR) unit; a heterogeneous integrated circuit die coupled to the FPGA die; and a 3D power on reset (POR) output configured by the configurable POR unit for initializing the FPGA die and the heterogeneous integrated circuit die.
A circuit with a plurality of analog circuit blocks, each configured to provide at least one analog function and a programmable interconnect coupled of the analog circuit blocks and configurable to interconnect combinations of the analog circuit blocks to one another. The circuit is formed in an integrated circuit (chip) and the programmable interconnect comprises a plurality of switches coupled between the analog circuit blocks and ports that provide signal connections for the chip.
Wide range level shifter for low voltage input applications
Device and a method of configuring a voltage level shifter is disclosed. The device includes a traditional level shifter circuit (TLSC), a first control circuit (FCC) cross-coupled to a second control circuit (SCC). The FCC is coupled to receive an inverse of an input at a first input node and provide a first output at a first output node. The SCC is coupled to receive the input at a second input node and provide a second output at a second output node and the TLSC is configured to provide an output at an output node in response to the first output received at the first output node and the second output received at the second output node. A first power source is configured to provide a first power supply voltage to the TLSC, the FCC and the SCC. The output is latched to track the input. The TLSC, the FCC and the SCC are coupled to a ground reference node.
Voltage-mode SerDes with self-calibration
A voltage-mode transmitter includes a calibration circuit having a replica circuit. By adjusting a feedback voltage driving a gate of a replica transistor in the replica circuit so that an impedance of the replica circuit matches an impedance of a variable resistor, the calibration circuit calibrates an output impedance of a single slice driver.
The invention relates to a circuit arrangement (1), in particular for controlling an electric machine, comprising at least one high-voltage semiconductor bridge circuit (2) that includes a low-side semiconductor switch (4) and a high-side semiconductor switch (3). A high-side gate driver (5) is assigned to the high-side semiconductor switch (3), and a low-side gate driver (6) is assigned to the low-side semiconductor switch (4). According to the invention, a high-side flyback converter (8) is connected upstream of the high-side gate driver, and a low-side flyback converter (9) is connected upstream of the low-side gate driver (6), at least one of the flyback converters (7, 8, 9) being designed as a high-voltage flyback converter.
System and method for a fault protection circuit
According to an embodiment, a fault protection system includes a first power supply terminal, a second power supply terminal, an error circuit configured to receive a power supply signal, and a power supply circuit coupled to the error circuit, the first power supply terminal, and the second power supply terminal. The power supply circuit is configured to provide the power supply signal from the first power supply terminal during a first operation mode and provide the power supply signal from the second power supply terminal during a second operation mode.
Integrated circuits relating to transmission data and latch clock signals
An integrated circuit may be provided. The integrated circuit may include a transmitter and a receiver. The transmitter outputs first transmission data to a first channel and outputs second transmission data to a second channel. The phase of the first transmission data transmitted through the first channel is different from a phase of the second transmission data transmitted through the second channel.
Receiver with time-varying threshold voltage
A system for communicating information between circuits is described. A transmit circuit provides pulse-amplitude-modulation (PAM) signals via a communication channel to a receiver. A circuit in the receiver determines digital values from the received signals using a time-varying threshold voltage, which varies during the bit-time. This approach may compensate for inter-symbol interference (ISI) to increase the voltage and timing margins of the system.
Elastic wave resonator, elastic wave filter device, and duplexer
An elastic wave includes a piezoelectric substrate having a polarization direction denoted by an arrow Px, and first and second IDT electrodes arranged on the substrate in an elastic wave propagation direction with a shared reflector therebetween. A first bus bar of the first IDT electrode and a first end portion bus bar of a second reflector are connected to a wiring electrode to define a first terminal. A second bus bar of the first IDT electrode and a second end portion bus bar of the shared reflector are connected to each other to define a second terminal. A first end portion bus bar and a first bus bar are electrically connected to each other. A second bus bar and a second end portion bus bar are electrically connected to each other, and the first and second IDT electrodes and are connected in parallel between the first and second terminals.
Transducer with bulk waves surface-guided by synchronous excitation structures
A surface-guided bulk wave transducer includes a stack of an acoustic substrate, an electric ground plane, and a network of synchronous acoustic excitation sources with two combs of elementary piezoelectric transducers alternately interlaced two-by-two according to a periodic network step corresponding to a propagation mode of a surface-guided bulk wave of the acoustic substrate. Each elementary piezoelectric transducer includes a single and different rod with a parallelepipedal shape for which the nature, the cut of the piezoelectric material, the height h, and the width are selected for increasing the electromechanical coupling coefficient of the transducer assembly to a high level.
Silicon transformer balun
A transformer balun fabricated in silicon and including a series of alternating metal layers and dielectric layers that define first and second outer conductors that are part of a coaxial structure. Each dielectric layer includes a plurality of conductive vias extending through the dielectric layer to provide electrical contact between opposing metal layers, where a top metal layer forms a top wall of each outer conductor and a bottom metal layer forms a bottom wall of each outer conductor and the other metal layers and the dielectric layers define sidewalls of the outer conductors. Inner conductors extends down both of the first and second outer conductors and a first output line is electrically coupled to a sidewall of the first outer conductor and a second output line is electrically coupled to a sidewall of the second outer conductor.
Multilayer electronic component
A multilayer electronic component includes: a body including one or more ceramic layers or magnetic layers; an inductor part including coil portions disposed in the body to be perpendicular to a lower surface of the body; a plurality of internal electrodes disposed in the body to be perpendicular to the lower surface of the body; and an input terminal, an output terminal, and a ground terminal disposed on the lower surface of the body, wherein the body includes a capacitor part comprising at least one among the plurality of internal electrodes and at least one among the coil portions with at least one of the ceramic layers or magnetic layers interposed therebetween.
Disclosed is a transimpedance amplifier. The transimpedance amplifier includes an inverter configured to have a feedback resistor and amplify a signal provided to an input side, and a common gate amplifier configured to be connected to the inverter in cascade and amplify an output of the inverter, wherein the signal provided to the input side is fed forward to a gate of the common gate amplifier through a gate resistor.
Dual-mode envelope tracking power converter circuitry
Envelope tracking power converter circuitry is configured to receive a supply voltage, an envelope control signal, and an average power tracking control signal and simultaneously provide an envelope tracking power supply signal for amplifying a first radio frequency (RF) input signal based on the envelope control signal and an average power tracking power supply signal for amplifying a second RF input signal based on the average power tracking control signal.
Cascaded switch between pluralities of LNAS
An apparatus includes a first plurality of low noise amplifiers (LNAs) and a cascaded switch configured to route outputs of the first plurality of LNAs to a second plurality of LNAs.
A mixer includes a trans conductance unit, a gain boost unit, a mixing module and a buffer. The trans conductance unit, the gain boost unit and the mixing module cooperatively mix a differential input voltage signal pair with a differential oscillatory voltage signal pair to generate a differential mixed voltage signal pair. The buffer performs buffering on the differential mixed voltage signal pair, and has inductance that cooperates with parasitic capacitance at output terminals thereof to form an LC tank circuit that reaches resonance at a frequency of the differential mixed voltage signal pair to behave as an open circuit.
Dual-stage parabolic concentrator
An improvised Solar Concentrator and Absorber/Receiver Subsystem using a Dual-Stage Parabolic Concentrator for Concentrating Solar Power (CSP) (Thermal) system comprises of two parabolic mirrored reflectors wherein their apertures face each other with their focal point/line and axes coincides with each other, a plurality of absorber tubes/cavities placed on the non-reflecting side of the primary and/or secondary reflectors to carry heat transfer fluid, combined with relevant mechanisms to prevent/minimize thermal loss, mounted on a Sun tracking mechanism. For Concentrating Photovoltaic (CPV) and Concentrating Hybrid Thermo-Photovoltaic (CHTPV) Systems, all or a portion of the reflectors' reflecting and/or exterior surfaces would be covered or substituted with suitable photovoltaic panels.
Digital demodulator for pulse-width modulated (PWM) signals in a motor controller
Described embodiments provide circuits, systems and methods for digitally demodulating a pulse-width modulated (PWM) signal in a motor control system. An electronic circuit of the motor control system includes an input to receive a speed demand signal that is a PWM signal having a duty cycle associated with a requested speed of a motor. A PWM demodulator demodulates the PWM signal and generates an N-bit digital speed value representative of the requested speed of the motor, where N is a positive integer. A motor driver generates, based at least in part upon the N-bit digital speed value, one or more control signals to operate the motor.
Control device of rotating electric machine and method for controlling the same
An electronic control unit includes calculating a slip frequency of a rotating electric machine from a torque instruction value to the rotating electric machine and a target value of output efficiency to the rotating electric machine, calculating a frequency of the instruction signal from the slip frequency and a rotational frequency of the rotating electric machine, the slip frequency being changed by changing the target value of the output efficiency with the torque instruction value maintained and changing the slip frequency so as to change the frequency of the instruction signal to out of an inverter lock frequency band when the frequency of the instruction signal is included in the inverter lock frequency band.
Motor control apparatus for vehicles and current reference generation method using the same
Provided is a motor control apparatus for vehicles. The motor control apparatus may generate a current reference value based on a level of a field current (or a field current value) flowing in a field coil and may control a vehicle motor by using the current reference value, thereby improving torque response characteristic and maximum efficiency.
Motor controller and method for the field-oriented control of an electric motor
A motor control system is provided for field-oriented control of an electric motor for driving a vehicle. The motor control system includes a current setpoint creator, which is designed to receive a torque setpoint as an input signal and to output a torque-creating current setpoint and at least one field-creating current setpoint as output signals in order to control the electric motor in a field-oriented manner. An exceptional situation detection device detects a present torque setpoint, calculates a change based on the present torque setpoint and an earlier torque setpoint, and detects an exceptional situation if the magnitude of the change exceeds a specified threshold value. The motor control system is designed to adapt the torque-creating current setpoint based on the present torque setpoint when the exceptional situation is detected, thereby bypassing the current setpoint creator.
Drive control circuit that drives vibrator, driving method, vibration-type driving apparatus, and image pickup apparatus
A drive control circuit restores a holding force when a vibrator and a driven body have been left at a standstill for a long time period and when they are used in a high-humidity environment. A drive circuit outputs an alternating-current signal, which is to be applied to an electro-mechanical energy conversion element, based on an output from a control unit. The control circuit controls the drive circuit with first timing such that elliptical motion produced in the vibrator takes a path of which a component parallel to a driving direction of the driven body is large as compared to such a path that a speed at which the driven body is driven is the maximum. The first timing is different from second timing with which relative positions of the vibrator and the driven body are changed.
Power converter capable of outputting a plurality of different levels of voltages
A power converter includes 2n charge storage elements connected in series in this order, n being a natural number of 2 or more, a first switch element and a first diode connected in series in this order between terminals of a first charge storage element, a second diode and a second switch element connected in series in this order between terminals of a 2nth charge storage element, a third diode and a fourth diode connected in series in this order between terminals of each of the second charge storage element to a 2n−1th charge storage element, 2n leads each connected to a node between the first switch element and the first diode, a node between the third diode and the fourth diode, and a node between the second diode and the second switch element, and 2n−1 switch circuits for selecting one of outputs output to the 2n leads.
Controllers for regulated power inverters, AC/DC, and DC/DC converters
The present invention relates to methods and corresponding apparatus for regulated and efficient DC-to-AC conversion with high power quality, and to methods and corresponding apparatus for regulation and control of said DC-to-AC conversion. The invention further relates to methods and corresponding apparatus for regulation and control of AC-to-DC and/or DC-to-DC conversion.
Power factor correction device and correcting method thereof
A power factor correction device comprises a power stage circuit converting input alternating current voltage into input current according to a pulse width modulation signal and outputs the input current to a load generating output voltage on the load, and sampling the input current outputting a correcting current; a current compensating circuit receiving and comparing the correcting current with a reference current signal generating a compensating current signal; a voltage compensating circuit receiving and comparing the output voltage with a reference voltage generating a compensating voltage signal; a multiplication amplifier receiving the compensating current signal and the compensating voltage signal generating an updated reference current signal by multiplying the compensating current signal with the compensating voltage signal; and a pulse width modulation converter receiving the compensating current signal and the compensating voltage signal generating the pulse width modulation signal to synchronize phase of alternating current voltage and input current.
Internal voltage generation circuit
An internal voltage generation circuit includes a comparison block suitable for generating a comparison signal by comparing an internal voltage with a reference voltage; and an internal voltage generation circuit suitable for controlling an amount of an internal current in response to a bias voltage corresponding to an operation current of the comparison block, and generating the internal voltage corresponding to the internal current in response to the comparison signal.
Electro hydro dynamic cooling for heat sink
An Electro Hydro Dynamic, EHD, thruster (105) comprising a first set of electrodes (210), a second set of electrodes (220) and a supporting structure (103) for supporting the first set of electrodes (210) and the second set of electrodes (220). The EHD thruster (105) is configured to generate airflow of ionized air for cooling a heat sink (101). Further, the EHD thruster (105) is electrically isolated from the heat sink (101).
Anti-separating structure of sensing magnet for EPS motor
Disclosed is an anti-separating structure of a sensing magnet for EPS motor, the structure being a coupling structure between the sensing magnet and a plate of the EPS motor, the structure including a disk-shaped plate formed with a magnet accommodation unit protrusively formed near at a rotation shaft, a ring-shaped sensing magnet centrally formed with a through hole having a diameter corresponding to the magnet accommodation unit, and magnet grip units each formed at a predetermined gap along a circumferential surface of the magnet accommodation unit.
Insulated electric wire and coil
An insulated electric wire includes a rectangular conductor and an insulation film disposed on the periphery of the rectangular conductor. The insulation film is characterized by: the provision of a resin containing an imide structure within a molecule; and a peak value of less than 1.0 for the loss tangent tan δ, which is represented by the ratio between the loss elastic modulus and the storage elastic modulus, as measured in the 50 DEG C. to 400 DEG C. range.
Rotary electric machine
A rotary electric machine includes a three-phase coil including a first phase coil, a second phase coil, and a third phase coil for magnetic flux generation. A bridge conductor connecting an ath end and a bth end of the first phase coil, and a bridge conductor connecting the ath end and the bth end of the third phase coil are provided in a protruding shape on one side of a stator in a radial direction when viewed in a axial direction of the stator. A bridge conductor connecting the ath end and the bth end of the second phase coil is provided in a protruding shape on the other side of the stator in the radial direction when viewed in the axial direction of the stator. The bridge conductor of each coil in the three-phase coil is arranged at the same height position in the axial direction.
Wireless sound charging and powering of healthcare gadgets and sensors
The present disclosure provides wireless charging and powering methods for healthcare gadgets and wireless sensors. The method may include wireless power transmission through suitable techniques such as pocket-forming. The methods may include one or more transmitters and one or more receivers. In some embodiments the transmitters and receivers may be embedded to medical devices and wireless sensors, respectively. In other embodiments, the receiver may be integrated into wireless sensors. In yet another embodiment, the transmitters may be positioned on strategic places so as to have a wider range for wireless power transmission to portable electronic medical devices and wireless sensors.
Method and apparatus for periodically changing frequency in wireless power transfer
Disclosed are a wireless power transfer apparatus, and a method of changing a frequency in the wireless power transfer apparatus, in which the magnetic field intensity in a specific frequency band is decreased by periodically changing the frequency of a wireless power signal, so that it is possible to spread a frequency spectrum. To this end, a wireless power transfer apparatus includes a power transmission unit and a control unit. The power transmission unit generates a wireless power signal for transferring wireless power based on a carrier signal. The control unit determines a sweep frequency range and sweep period for the carrier signal and controls the power transmission unit to periodically change the frequency of the wireless power signal by periodically changing the frequency of the carrier signal based on the determined sweep frequency range and sweep period.
Method and apparatus for operating an internal charger system of a portable electronic device
An internal charging system controls charging of a battery used to power an electronic device when an external power source is connected to the device. The internal charging system can charge a battery that has a higher operating voltage than the voltage provided by the external power source. While charging the battery from the external power source, an internal charge controller can operate and inhibit functions of the device to indicate to user that a charging operation is commencing, and to prevent operation of the device when the battery voltage is too low to support such operation.
Wireless charging system, wireless power transmitter thereof, and wireless transmitting method therefor
A wireless charging system, a wireless power transmitter, and a wireless transmitting method are provided. The method includes generating a pulse width modulation signal having an operating frequency according to a parameter, transmitting a power signal according to the pulse width modulation signal, generating a sampling frequency according to the operating frequency, obtaining power adjusting information from a transmission coil according to the sampling frequency, and adjusting the parameter according to the power adjusting information. The sampling frequency is the product of the operating frequency and a multiple, and the multiple is the summation of an offset and a positive integer. The offset is in the range of 0.25 to 0.75.
Wireless energy transfer for wearables
The disclosure features resonators to wirelessly transfer energy to a wireless power device including a device resonator coil having a dimension D. The resonator can include a first plurality of conductor windings wound approximately in a first plane and having first and second conductor leads, and a second plurality of conductor windings wound in a second plane and having third and fourth conductor leads. The first and third conductor leads can be coupled to each other and the second and the fourth conductor leads can be coupled to at least one capacitor. The first plane and second plane can be spaced apart by separation S and substantially parallel. The separation S between the first plane and second plane can be approximately equal to or greater than the dimension D of the device resonator coil.
Wireless charging and communication board and wireless charging and communication device
Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.
Social power sharing for mobile devices based on pocket-forming
The present disclosure provides a method for wirelessly sharing power within multiple mobile devices connected to a power sharing community network using a mobile device application. This method may provide an easy and effective way to wirelessly share power from a group of mobile devices to other mobile devices in need of charge, located within the same area, such as a train station, bus station, food courts, airport terminals, etc. The method may include wireless power transmission through suitable techniques such as pocket-forming.
Method for transmitting data and wireless charger for implementing same
A method for transmitting data and a wireless charging equipment using the same are disclosed. When the wireless charger transmits data, an output current of the wireless charger is controlled at a preset current value so that there is a higher variation in amplitude of a current or a voltage on an inductive element to thereby enable a signal receiver to demodulate the signal. At the end of data transmission, the output current is resumed consistent with a driving current of the load at the moment. The present disclosure can address the problem of impossible normal communication in the wireless charger at the circumstance of a very low driving current of the load without any increase in cost and complexity of the circuit.
Charging apparatus and charging method thereof
A charging apparatus that can perform a charging action based on an initial capacity of a battery and a charging method of the charging apparatus are provided. The charging apparatus estimates the initial capacity of the battery, calculates an amount of a charging current according to the initial capacity of the battery, and provides the calculated amount of the charging current corresponding to the initial capacity of the battery.
Systems and methods of direct cell attachment for batteries
Embodiments of the systems and methods of direct cell attachment for battery cells disclosed herein operate without the protection FETs and the protection IC, thereby enabling the direct attachment of battery cells to the system without compromising safety. A charger IC comprises a switching regulator whose output is used to charge the battery through a pass device. In example embodiments of the disclosed systems and methods of direct cell attachment, a combination of switching FETs and the pass device are used as a protection device instead of the charge and discharge FETs. During normal operation, the pass device may be used to charge the battery using the traditional battery charging profile. Under fault condition, the switching FETs and pass device may be driven appropriately to protect the system.
System and method for increasing operational range of inductive power transmission
An inductive power transfer system and methods for controlling efficient operational wireless power transfer to an electrical device. The system includes an inductive power outlet, an inductive power receiver and a signal transfer system communicating power transfer instruction from receiver to outlet, while transferring power from the outlet to the receiver. The present invention relates to wireless power transfer systems and methods incorporating a current limiter activation mechanism to allow power transfer at an extended operational range, providing a technical solution when an inductive power outlet and an inductive power receiver are laterally misaligned.
Wireless power receiving apparatus
A rectifier circuit rectifies a current that flows through a reception coil. A smoothing capacitor is connected to the output of the rectifier circuit. A judgment unit generates a notification signal that corresponds to a comparison result obtained by comparing the voltage VRECT across the smoothing capacitor with a predetermined threshold voltage at a judgment timing. The judgment timing is positioned after the start of reception of a signal from a power supply apparatus.
Open fuse detection system for a solar inverter
A photovoltaic power circuit is provided and includes a plurality of strings of connected photovoltaic panels operable to generate DC current from solar radiation. Each of the strings is connected to a solar inverter by a pair of fuses. A detection circuit is provided that is operable to detect when one of the fuses opens as a result of a fault, regardless whether the fault is temporary or continuing.
Voltage conversion apparatus
A voltage conversion apparatus includes connection terminals to which a battery, a capacitor, and a protected load are respectively connected, a first DC-DC converter having input/output terminals, a second DC-DC converter having input/output terminals, a first power path having one end connected to the first connection terminal and the other end connected to the first input/output terminal, a second power path having one end connected to the second input/output terminal and the other end connected to the third input/output terminal, a third power path having one end connected to the fourth input/output terminal and the other end connected to the second connection terminal, and a fourth power path having one end connected to a midway part of the second power path and the other end connected to the third connection terminal.
Systems and methods for use in identifying and responding to type of grid fault event
Systems (100), power modules (108), and methods for using in controlling a converter (110) coupled between a power generator (104) and an electric grid (102). A power module (108) includes the converter (110) configured to supply the output from the power generator (104) to the electric grid (102) and a controller (112) coupled to the converter (110) and configured to disable the converter (110) in response to a grid fault event, to identify the type or the grid fault event after a first predetermined interval from disabling the converter (110), and to enable switching of the converter (110), when the type of the grid fault event is identified as a low voltage condition.
End closure for a cable and method for its manufacture
An end closure for a cable having a core, at least two electrical cable wires and at least one optical transmission element, the core is surrounded by a metal wire reinforcement. On the end of the electrical cable wires an electrically suitable connection set is mounted, which at least partially protrudes out of a pipe. A connection unit is mounted on the end of the optical transmission element, which also partially protrudes from the pipe. The connection unit has a pot shaped tension element mounted tension proof on the free end of the pipe and surrounds, moisture tight and pressure tight, the part of the connection set and the connection unit that protrudes out of the pipe.
Corrosion resistant termination connector for steel wire rope/minesweeping cable
A corrosion resistant termination connector for connecting to a steel wire rope and a modular fitting for use on a magnetic influence minesweeping cable is provided. The connector body is made of a high strength composite material, and has a common channel. The body has three sections: A ribbed annular stem, an abutment band with uniform edges for forming sealing occlusions, and an externally threaded spelter socket with a conical channel. Strands of the wire rope are splayed and adhesively joined with a mixture of thermosetting resins forming a conical wedge that secures the rope within the conical channel. The modular fitting is screwed on the elongate socket section, and includes a pin with a thimble. A molded insular cover seals the steel wire rope and the ribbed stem.
Method for manufacturing insert-molded bus bar, and insert-molded bus bar
A method for manufacturing an insert-molded bus bar includes the steps of: preparing a first bus bar having a through hole and a second bus bar having a protrusion corresponding to the through hole; preparing a mold having therein a swaging member capable of swaging the protrusion; placing the first and second bus bars in the mold with the protrusion being inserted into the through hole; swaging the first and second bus bars using the swaging member of the mold to obtain connected bus bars that are the bus bars connected to each other; and injecting a molding material around the connected bus bars that are the bus bars connected to each other by swaging to perform insert molding using the mold and obtain the insert-molded bus bar.
An electrically-conductive seal portion of a spark plug includes a large-diameter seal portion, a small-diameter seal portion having an outer diameter smaller than an outer diameter of the large-diameter seal portion, and a tapered seal portion disposed between the large-diameter seal portion and the small-diameter seal portion. An insulator includes a flange portion, a first middle-body portion having an outer diameter smaller than an outer diameter of the flange portion, a second middle-body portion having an outer diameter smaller than an outer diameter of the first middle-body portion, and a leg portion having an outer diameter that tapers toward a tip end of the spark plug. The tapered seal portion is disposed inside the first middle-body portion.
Cap shielded ignition system
A system for igniting a mixture in an internal combustion engine includes an elongate plug body generally residing around a center longitudinal axis and adapted to couple to the internal combustion engine. The system also includes a first ignition body residing about an end of the plug body and a second ignition body adjacent the first ignition body to define a flame kernel initiation gap between the second ignition body and the first ignition body. The system also includes a transversely extending cap at the end of the plug body that is longitudinally spaced from the plug body by a support comprising a leg that is radially offset from the center longitudinal axis, the support defining a peripheral opening around a perimeter of the cap where a total radially-facing area of the support is less than a total area of the peripheral opening.
Integrated digital laser
A laser device includes: a substrate formed from material transparent at a laser wavelength; a first reflecting layer to reflect at least some incident radiation at the laser wavelength; a layer including a gain medium for providing stimulated emission of radiation at the laser wavelength, and positioned between the first reflecting layer and the substrate; a second reflecting layer on an opposite side of the substrate from the first reflecting layer to reflect at least some incident radiation at the laser wavelength; a spatial light modulator in an optical cavity comprising the first and second reflecting layers, and comprising an array of elements each corresponding to a different path for radiation in the optical cavity; and a computer controller that, during operation, causes the spatial light modulator to selectively vary an intensity or phase of radiation in the optical cavity to provide variable transverse spatial mode output of the radiation.
Widely tunable short cavity laser
A tunable source includes a short-cavity laser optimized for performance and reliability in SSOCT imaging systems, spectroscopic detection systems, and other types of detection and sensing systems. The short cavity laser has a large free spectral range cavity, fast tuning response and single transverse, longitudinal and polarization mode operation, and includes embodiments for fast and wide tuning, and optimized spectral shaping. Disclosed are both electrical and optical pumping in a MEMS-VCSEL geometry with mirror and gain regions optimized for wide tuning, high output power, and a variety of preferred wavelength ranges; and a semiconductor optical amplifier, combined with the short-cavity laser to produce high-power, spectrally shaped operation. Several preferred imaging and detection systems make use of this tunable source for optimized operation are also disclosed.
The present application provides an optical module comprising: a golden finger, a MAC chip, a switch circuit, a laser driver, and a laser. A first output terminal of the MAC chip is connected to a first input terminal of the laser driver for inputting burst controlling signal thereto; a second output terminal of the MAC chip is connected to a first input terminal of the switch circuit for inputting cut-off controlling signal thereto; a cut-off controlling pin of the golden finger is connected to a second input terminal of the switch circuit for inputting cut-off controlling signal thereto; and an output terminal of the switch circuit is connected to a second input terminal of the laser driver. The switch circuit is used to connect the first or the second input terminal of the switch circuit with the output terminal. The cut-off controlling signal controls the switch-off of the laser.
Solid state laser system
A laser system comprising an RE:XAB gain medium within a resonator cavity. X is selected from Ca, Lu, Yb, Nd, Sm, Eu, Gd, Ga, Tb, Dy, Ho, Er, and RE is selected from Lu, Y, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Pr, Tm, Cr, Ho. The system further comprises a pumping source having optical output directed towards the gain medium. A laser controller operates the pumping source. The system further comprises a heat spreader, the heat spreader in thermal communication with the gain medium through a surface wherein the pump source has optical output incident.
Flippable electrical connector
A receptacle connector includes a housing defining a base and a mating tongue forwardly extending therefrom, a first row of contacts disposed in the housing with contacting sections and surface mount type tail sections for mounting on a PCB, a second row of contacts disposed in the housing with contacting sections and through hole type tail sections for mounting in the PCB; a metallic shield including a capsular segment surrounding the mating tongue to define a mating cavity and a rear wall covering a rear face of the base to surrounding the surface mount type tail sections and a lower bracket attached to the metallic shielding. The lower bracket is located upon a bottom side of the shield and includes a bottom wall, two sidewalls and a rear wall commonly surrounding the through hole type tail sections.
Electrical devices with longitudinal electrical conductor entries
An electrical wiring device has a longitudinal axis extending between a top surface and a bottom surface. The electrical wiring device includes at least one line phase wiring terminal, at least one neutral wiring terminal, at least one line phase electrical conductor entry extending along the longitudinal axis of the electrical wiring device and extending between the line phase wiring terminal and the top surface or the bottom surface of the electrical wiring device and at least one neutral electrical conductor entry extending along the longitudinal axis of the electrical wiring device and extending between the neutral wiring terminal and the top surface or the bottom surface of the electrical wiring device.
Cable connector assembly having improved wire spacer
A cable connector assembly comprises a cable including a number of wires, and an electrical connector including a spacer positioning the cable, the spacer defines a front face and a rear face, a number of through holes positioning the wires, and a respective midfellow formed between every two adjacent through holes, wherein a notch is defined on the midfellows in the rear face to make the through holes in fluid communication.
Connector receptacle having good signal integrity
Connector receptacles that have good signal integrity, are reduced in size, are reliable and durable, and are easy to assemble. One example may provide a connector receptacle having several ground connections to improve signal integrity and quality.
Electrical connector having expandable backshell
A backshell includes upper and lower shells defining a cavity. The upper shell includes a top wall and a side wall and the lower shell includes a bottom wall and a side wall. An actuator is coupled to the shells to change the relative positions of the shells between an open position and a closed position. A top of the lower shell engages a bottom of the upper shell in the closed position. The actuator is operable to move at least one of the upper shell and the lower shell such that the top of the lower shell is spaced-apart from the bottom of the upper shell in the open position, thereby increasing a size of the cavity to allow insertion and removal of the electrical connector into or out of the cavity in the open position.
An electronic connector includes a base, an extension protruding from the base, and a nose forming a terminal end of the extension. The extension includes first and second connection faces and ground electrical contacts located along the first and second connection faces.
Cable strain relief
The present invention relates to an electrical connector system comprising a contact terminal, a connector housing defining an aperture that receives the contact terminal therein, and a cable strain relief member separate from the connector housing. The cable strain relief member comprises a fastening feature for fastening the strain relief member to a cable for strain relief, and an integrated locking feature for locking the strain relief member to a corresponding counter connector.
A flushing arrangement for flushing a surface of a wet-mateable connector for subsea use is provided. The flushing arrangement has a cartridge adapted to form a chamber around the surface to be flushed prior to flushing. The cartridge has a sealing portion adapted to be sealed against a part of the connector. An inlet port for receiving a fluid from a fluid source and an outlet port for discharging a fluid are provided. Plural flow channels are formed in the cartridge, the plural flow channels comprising flow channels providing a fluid connection between the inlet port and the chamber for enabling a flow of fluid into the chamber and flow channels providing a fluid connection between the chamber and the outlet port for enabling a flow of medium out of the chamber.
Fixing element for connecting printed circuit board and busbar, and power distributor having the same
A fixing element may include a pin connecting surface configured to conductively contact a pin of a busbar, and a detent configured to latch with the pin. The detent may be disposed above the pin connecting surface and bent in a first direction perpendicular to a longitudinal axis of the fixing element. The fixing element may also include a tab separated from the detent along the longitudinal axis of the fixing element, and a board connecting surface joined to the tab. The board connecting surface may be bent in a second direction perpendicular to the longitudinal axis of the fixing element. The second direction may be opposite to the first direction.
Terminal metal fitting
A terminal connecting body of a terminal metal fitting includes: a first engaging part and a second engaging part on one end side and another end side, respectively, that engage each other movements of an end of the one end side and an end of the other end side in separating directions; has a first gap formed between the first engaging part and the end of the other end side, that allows the end and the other end in directions opposite to the separating directions; and has a second gap formed therein, between the second engaging part and the end of the one end side, that enables the end and the other end in similar opposite directions. The first gap and the second gap are formed so that the first engaging part can be inserted into a notch provided on the other end side while being bent from its base.
Low insertion force connector
The lever member includes a rotation fulcrum point portion which is attached to a rotation shaft of a terminal storage body to be rotatable, a lever operation portion which is a force point portion during a lever operation, a fitting operation point portion which performs a fitting operation while sliding a counterpart target guide portion to apply a force between the target guide portion and the fitting operation point portion along with a rotation operation about the rotation fulcrum point portion as a rotation center in response to the rotation operation of the lever operation portion, and a target fixation portion which is fastened to a target fixation portion of a terminal storage body and a counterpart fixation portion after the fitting is completed.
An electrical connector includes: a conductive terminal including: a connector-side connecting part; a substrate-side connecting part; and an L-shaped bent part therebetween; a housing including: a terminal-holding hole holding the conductive terminal between the connector-side connecting part and the bent part; and an opening capable of exposing the substrate-side connecting part. The opening is used for connecting a circuit substrate. An alignment member is attached toward the substrate-side connecting part of the conductive terminal so as to close the opening. The alignment member is engaged with the housing in a state where the substrate-side connecting part projects from a through hole for inserting the conductive terminal therein. The engaging unit preventing the substrate-side connecting part of the conductive terminal from moving to the bent part, is provided between the conductive terminal and the through hole.
Antennas including an array of dual radiating elements and power dividers for wireless electronic devices
A wireless electronic device includes dual radiating antennas, with each of the dual radiating antennas including a first radiating element and a second radiating element. The wireless electronic device includes power dividers, a respective one of which is associated with a respective one of the dual radiating antennas and is configured to divide the power of a signal into a first portion of the power and a second portion of the power. The first portion of the power is applied to a respective first radiating element and the second portion of the power is applied to the respective second radiating element. The wireless electronic device is configured to resonate at a resonant frequency corresponding to the first radiating element and/or the second radiating element of at least one of the plurality of dual radiating antennas when excited by a signal transmitted by at least one of the plurality of dual radiating antennas.
Integrated fan out antenna and method of forming the same
An integrated fan out (InFO) antenna includes a reflector on a surface of a substrate; and a package. The package includes a redistribution layer (RDL) arranged to form an antenna ground, and a patch antenna over the RDL, wherein the RDL is between the patch antenna and the reflector. The InFO antenna further includes a plurality of connecting elements bonding the package to the reflector. Each connecting element of the plurality of connecting elements is located inside an outer perimeter of the reflector. The InFO antenna is configured to output a signal having a wavelength.
Integrated stripline feed network for linear antenna array
An embodiment of an integrated stripline feed network for a linear antenna array comprises a power distribution network coupled to the linear antenna array; a feed signal input/output component coupled to the power distribution network; wherein the input/output component receives a feed signal and splits the feed signal for distributing to a plurality of antenna elements of the linear antenna array through the power distribution network. The integrated stripline feed network is configured to be integrated into a support body of the linear antenna array, wherein, the support body structurally supports the linear antenna array.
Enhanced directivity feed and feed array
Disclosed is a shaped horn in conjunction with a dielectric tube for enhanced aperture directivity that can achieve a near optimum efficiency. The shaped horn provides additional mode control to provide an improved off-axis cross-polarization response. The horn shape can be individually optimized for isolated horns or for horns in a feed array. The feed array environment can produce results that lead to a different optimized shape than the isolated horn. Lower off axis cross-polarization can result in improved efficiency and susceptibility to interference.
Interleaved electronically scanned arrays
An array antenna including two interleaved array antennas, capable of being operated independently at a first frequency, or together, at a second frequency. Each of the two array antennas is composed of alternating elements of an antenna array, and the two arrays are interleaved. Each of the interleaved arrays may be operated independently, e.g., in the X band, or the arrays may be driven together, as a single array with more densely spaced elements, e.g., in the Ku band.
Glass antenna for vehicle
A glass antenna provided on vehicle side glass has a power feeding portion disposed at side portion of the side glass, a main element connected to the power feeding portion and a square bracket-shaped element whose one end is connected to some midpoint of the main element. When frequency band of FM broadcast wave received by the antenna is divided into two frequency bands with respect to its center frequency, wavelength of center frequency of frequency band of low frequency is λ, and wavelength of center frequency of frequency band of high frequency. Also wavelength shortening coefficient of the side glass is α. In this condition, either one of length of the main element or length from the power feeding portion up to an opening end of the square bracket-shaped element is set to α·λ·¾, and the other is set to α·λ′·¾.
Spatial location presentation in head worn computing
Aspects of the present invention relate to the stabilization of head-worn micro-Doppler antennas.
A mobile device includes a metal cavity, a dielectric substrate, and a feeding element. A slot is formed on a side wall of the metal cavity. The dielectric substrate is disposed in the metal cavity. The feeding element is disposed on the dielectric substrate, and is electrically connected to a signal source. A slot antenna structure is formed by the metal cavity, the dielectric substrate, and the feeding element.
A multi-frequency antenna includes a ground layer, at least one antenna unit and at least one antenna network. The antenna unit has its one end electrically connected to the ground layer and its other end electrically connected to the antenna network for generating at least one first resonance frequencies. The antenna network includes at least one feeding circuit, and at least one resonance unit. Each resonance unit includes at least one resonant segment. Each resonant segment is electromagnetically coupled with the adjacent ground layer to generate at least one second resonance frequency. Thus, the multi-frequency antenna is capable of generating multiple different resonance frequencies.
Methods and devices for protecting antenna components from contaminants
Sealing portions of an orthomode transducer or another antenna component is accomplished by forming first and second receptacles or channels in one half or portion of the transducer and inserting first and second type of compressible sealing components into the receptacles. Upon attaching additional portions of the transducer the compressible sealing components may be compressed, but the compression is limited to an amount within a compression range to maintain a seal.
A directional coupler includes a multilayer body including a plurality of stacked dielectric layers, a main line including a first main line portion and a second main line portion which are connected in series to each other in this order and that is provided in the multilayer body, and a sub-line including a first sub-line portion and a second sub-line portion which are connected in series to each other in this order, the first sub-line portion being electromagnetically coupled to the first main line portion, the second sub-line portion being electromagnetically coupled to the second main line portion, and the sub-line being provided on one side in a stacking direction with respect to the main line in the multilayer body. The second main line portion is provided on a dielectric layer that is different from a dielectric layer on which the first main line portion is provided and/or the second sub-line portion is provided on a dielectric layer that is different from a dielectric layer on which the first sub-line portion is provided.
Microstrip line filter
A microstrip line filter comprising a coupling mechanism arranged to couple a first resonator and a second resonator, wherein the coupling mechanism includes a shared metallic coupling member arranged to have a predetermined dimension associated with an operation characteristics of the first and second resonators.
Magnesium-based methods, systems, and devices
An aspect of the present invention is an electrical device, where the device includes a current collector and a porous active layer electrically connected to the current collector to form an electrode. The porous active layer includes MgBx particles, where x≧1, mixed with a conductive additive and a binder additive to form empty interstitial spaces between the MgBx particles, the conductive additive, and the binder additive. The MgBx particles include a plurality of boron sheets of boron atoms covalently bound together, with a plurality of magnesium atoms reversibly intercalated between the boron sheets and ionically bound to the boron atoms.
Metal-air fuel cell based on solid oxide electrolyte employing metal nanoparticle as fuel
Disclosed is a metal-air fuel cell based on a solid oxide electrolyte employing metal nanoparticles as fuel. The metal-air fuel cell includes an anode, a cathode, a solid oxide electrolyte and a metal fuel, wherein the metal fuel comprises metal nanoparticles having an average particle diameter ranging from 1 nm to 100 nm. The metal nanoparticles have a low melting point and provide high reactivity. Thus, the metal-air fuel cell forms a metal molten phase at a relatively low temperature thereby improving contactability and has improved reactivity to promote oxidation, thereby enabling highly efficient power generation.
Unitized energy storage system enclosure
A thermally managed electrical energy storage device enclosure includes a monocoque body formed from a plastic material using a single batch process and at least one void defined by a circumferential inner wall of the monocoque body. The void is adapted to receive at least one electrical energy storage device with a compression interference fit between an entire outer circumferential surface of the electrical energy storage device and the circumferential inner wall. The circumferential inner wall exerts a uniform radial force on the electrical energy storage device received therein.
Internal energy supply of energy storage modules for an energy storage device, and energy storage device with such an internal energy supply
The invention relates to an energy storage module for an energy storage device, comprising an energy storage cell module which has a storage cell series circuit of at least two energy storage cells, comprising a coupling device, which comprises a plurality of coupling elements and is designed to selectively connect the energy storage cell module into an energy supply line of the energy storage device or to bypass the energy storage cell module in an energy supply line, and comprising a driver module which is designed to generate drive signals for the plurality of coupling elements. The driver module has a first energy supply connection and a second energy supply connection. The first energy supply connection is connected to a first end connection of the energy storage cell module via a first supply line and to a first node point between two energy storage cells of the storage cell series circuit via a second supply line. The second energy supply connection is connected to a second end connection of the energy storage cell module via a third supply line and to a second node point between two energy storage cells of the storage cell series circuit via a fourth supply line. The second node point lies between the first node point and the first end connection.
A main object of the present invention is to provide a secondary battery whose performance can be improved. The secondary battery includes a cathode, an anode, and an electrolyte layer arranged between the cathode and the anode, wherein the electrolyte layer includes a cathode side electrolyte layer arranged on a cathode side and an anode side electrolyte layer arranged between the cathode side electrolyte layer and the anode, the cathode side electrolyte layer includes an electrolyte and a binder including a fluorine-based copolymer including tetrafluoroethylene, and the anode side electrolyte layer includes a butadiene-rubber-based binder and an electrolyte.
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.
Thin film battery assemblies
Solid-state battery structures and methods of manufacturing solid-state batteries, such as thin-film batteries, are disclosed. More particularly, embodiments relate to solid-state batteries having an intermediate adhesive layer between several electrochemical cells. In an embodiment, an anode current collector at least partially fills a notch in a periphery of the intermediate adhesive layer. Other embodiments are also described and claimed.
A fuel cell includes: a membrane electrode assembly including an electrolyte membrane, catalyst layers stacked on both sides of the electrolyte membrane, and two or more porous bodies having different moduli of elasticity and provided on a surface of one of the catalyst layers; a separator defining a gas flow passage between the separator and the membrane electrode assembly; and a frame body surrounding an outer periphery of the electrolyte membrane. A porous body adjacent to the separator out of the two or more porous bodies includes an outer edge portion including an outer extending portion extending to overlap with the frame body. An elastic body is provided between the outer extending portion and the frame body.
Vortex tube reformer for hydrogen production, separation, and integrated use
A reformer assembly includes a vortex tube receiving heated fuel mixed with steam. A catalyst coats the inner wall of the main tube of the vortex tube and a hydrogen-permeable tube is positioned in the middle of the main tube coaxially with the main tube. With this structure the vortex tube outputs primarily Hydrogen from one end and Carbon-based constituents from the other end. In some embodiments a second vortex tube receives the Carbon output of the first vortex tube to establish a water gas shift reactor, producing Hydrogen from the Carbon output of the first vortex tube.
Fuel cell system and control method of fuel cell system
A fuel cell system for generating power by supplying anode gas and cathode gas to a fuel cell, comprising a compressor for supplying the cathode gas to the fuel cell, a pulsating operation unit causing a pressure of the anode gas to pulsate based on an operation state of the fuel cell system, a first target pressure setting unit setting a first target pressure of the cathode gas based on a request of the fuel cell, a second target pressure setting unit setting a second target pressure of the cathode gas for keeping a differential pressure in the fuel cell to be within a permissible differential pressure range according to the pressure of the anode gas in the fuel cell, and a compressor control unit controlling the compressor based on the first target pressure and the second target pressure. The second target pressure setting unit sets the second target pressure based on an upper limit target pressure in pulsation on the pulsation of the pressure of the anode gas.
Fuel cell system with interconnect
The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.
Fuel cell coating
An example fuel cell stack component includes a metallic layer applied to the component and an oxide layer applied to the metallic layer. The oxide layer includes a chemical component that is not in the metallic layer.
This invention is directed to electrolysis-based devices and methods for recycling of electrolyte solutions. Specifically, the invention is related to regeneration of spent electrolyte solutions comprising metal ions such as electrolyte solutions used in metal/air batteries.
Catalyst particles, catalyst ink, electrode catalyst layer for fuel cells, membrane electrode assembly, polymer electrolyte fuel cell, method for producing catalyst particles and method for producing catalyst ink
Catalyst particles includes a catalyst material and carbon particles supporting the catalyst material. The catalyst particles has a water content of 4.8 mass % or more and 20 mass % or less. A manufacturing method of catalyst particles includes exposing catalyst particles, which are carbon particles supporting a catalyst material, to a humidified atmosphere, prior to dispersing the carbon particles and a polymer electrolyte in a solvent for a catalyst ink.
Electrochemical cells and methods for making same
The present disclosure is directed to electrochemical cells having injection molded or 3D printed components, such as cathodes, anodes, and/or electrolytes, and methods for making such electrochemical cells. The cathodes, anodes, and/or electrolytes can be formed from a binder resin and various conductive and active materials, mixtures of which are injected into a mold under heat and pressure to form the components of the electrochemical cells. The cathode can include conductive metallic powder, flakes, ribbons, fibers, wires, and/or nanotubes. Further, electrochemical arrays can be formed from multiple electrochemical cells having injection molded or 3D printed components.
Negative electrode active material and method for producing the same
It is an object of an exemplary embodiment of the present invention to provide a negative electrode active material having excellent rate characteristics and cycle characteristics. One embodiment according to the present invention is a negative electrode active material comprising a carbon-containing composite, wherein, in the carbon-containing composite, an active material capable of intercalating and deintercalating lithium, conductive nanofibers and conductive carbon particles are coated with a carbon material and are integrated.
Coated positive electrode materials for lithium ion batteries
High specific capacity lithium rich lithium metal oxide materials are coated with inorganic compositions, such as metal fluorides, to improve the performance of the materials as a positive electrode active material. The resulting coated material can exhibit an increased specific capacity, and the material can also exhibit improved cycling. The materials can be formed while maintaining a desired relatively high average voltage such that the materials are suitable for the formation of commercial batteries. Suitable processes are described for the synthesis of the desired coated compositions that can be adapted for commercial production.
Positive electrode for lithium ion secondary battery and lithium ion secondary battery including the same
A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.
Alkaline battery and method for manufacturing alkaline battery
A method for manufacturing an alkaline battery includes assembling an alkaline battery with a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes cobalt and a positive electrode active material particle, which has a main component that is nickel hydroxide. The positive electrode active material particle has a coating layer that includes cobalt oxyhydroxide. At least one of the positive electrode, the negative electrode, and the electrolyte includes a tungsten element. The method further includes charging the assembled alkaline battery so that the cobalt in the positive electrode is deposited as cobalt oxyhydroxide on a surface of the positive electrode active material particle.
Porous silicon-based anode active material, method of preparing the same, and lithium secondary battery including the anode active material
Provided are a porous silicon-based anode active material including crystalline silicon (Si) particles, and a plurality of pores on surfaces, or the surfaces and inside of the crystalline silicon particles, wherein at least one plane of crystal planes of at least a portion of the plurality of pores includes a (100) plane, and a method of preparing the porous silicon-based anode active material. Since a porous silicon-based anode active material of the present invention may allow volume expansion, which is occurred during charge and discharge of a lithium secondary battery, to be concentrated on pores instead of the outside of the anode active material, the porous silicon-based anode active material may improve life characteristics of the lithium secondary battery by efficiently controlling the volume expansion.
Provided is a battery module in which at least one battery cell including an electrode tab including an anode tab and a cathode tab is stacked, including: a sensing assembly installed in a space between the anode tab and the cathode tab at a side of the battery module at which the electrode tab is positioned; and a terminal installed at the side of the battery module at which the electrode tab is positioned and connected to each of the electrode tabs of the battery cells positioned at the outermost portions, wherein the terminal is bonded and connected to a surface positioned at an inner side of the battery module in both sides of the anode tab and the cathode tab.
Display apparatus having organic and inorganic insulating layers for protecting from moisture permeation
A display apparatus capable of preventing (or protecting from) permeation of moisture. The apparatus includes a substrate comprising a display area and a peripheral area surrounding the display area; a pad unit located on the peripheral area; an organic insulating layer covering the display area and a part of the peripheral area adjacent to the display area; and an inorganic insulating layer that covers at least a first area when the first area is a part between the organic insulating layer and the pad unit.
A display device includes a substrate including a peripheral region folded back to face a rear surface of the substrate, and a counter region facing the peripheral region; and a filling member held between the peripheral region and the counter region. The substrate is folded such that the display device includes a first overlapping portion where a part of the peripheral region is bonded with the counter region with an adhesive material being provided therebetween; a second overlapping portion where a part of the peripheral region is in direct contact with the filling member; and a third overlapping portion where a part of the peripheral region is bonded with the filling member with an adhesive material being provided therebetween.
Display device, manufacturing method thereof, and electronic device
A highly reliable display device. A first flexible substrate and a second flexible substrate overlap each other with an element positioned therebetween. A periphery of the overlapped first and second substrates is covered with a high molecular material having a light-transmitting property. The high molecular material is more flexible than the first substrate and the second substrate. As the element, for example, an EL element can be used.
A light-emitting device having the quality of an image high in homogeneity is provided. A printed wiring board (second substrate) (107) is provided facing a substrate (first substrate) (101) that has a luminous element (102) formed thereon. A PWB side wiring (second group of wirings) (110) on the printed wiring board (107) is electrically connected to element side wirings (first group of wirings) (103, 104) by anisotropic conductive films (105a, 105b). At this point, because a low resistant copper foil is used to form the PWB side wiring (110), a voltage drop of the element side wirings (103, 104) and a delay of a signal can be reduced. Accordingly, the homogeneity of the quality of an image is improved, and the operating speed of a driver circuit portion is enhanced.
Electroluminescent device and method for manufacturing same
In an organic EL display device (electroluminescent device) including an organic EL element (electroluminescent element), a sealing film is provided to seal the organic EL element. The sealing film includes a first inorganic layer, a first organic layer, a second inorganic layer, a second organic layer, and a third inorganic layer (uppermost inorganic layer), which are arranged in this order. The first and second organic layers are formed so that the thickness of the end portions gradually decreases from the thickness of the central portions. The third inorganic layer is provided to cover the end portions of each of the first inorganic layer, the first organic layer, the second inorganic layer, and the second organic layer.
Organic electroluminescent element having intermediate electrode including two metal layers
An organic EL device includes at least two light-emitting units and at least one intermediate electrode that are disposed between a lower electrode and an upper electrode, the at least one intermediate electrode being electrically connected to an external power source. The at least one intermediate electrode is disposed between the at least two light-emitting units. At least one of the at least one intermediate electrode consists of a first metal layer composed of a metal with a work function of 3 eV or lower and a second metal layer adjoining the first metal layer and composed of another metal with a work function of 4 eV or higher. The first and second metal layers have a total thickness of 15 nm or less. The first metal layer is adjacent to an anode side of the second metal layer, when a voltage is applied across the intermediate electrode and the electrode opposing the intermediate electrode.
Metal-ligand coordination compounds
The present invention relates to novel metal-ligand coordination compounds of the general formula T1-(A-T2)i, where T1 and T2 represent metal-ligand coordination compounds, to the use thereof in a device, and to a formulation and a device which comprise the novel compounds.
Blue luminescent compounds
There is provided a compound having Formula II In Formula II: R1 and R3 are the same of different and can be alkyl, branched alkyl, cyclic alkyl, silyl, aryl, deuterated alkyl, deuterated branched alkyl, deuterated cyclic alkyl, deuterated silyl, and deuterated aryl; R2 is the same or different at each occurrence and can be D, alkyl, branched alkyl, cyclic alkyl, silyl, aryl, deuterated alkyl, deuterated branched alkyl, deuterated cyclic alkyl, deuterated silyl, and deuterated aryl; R4 can be H or D; and a is an integer from 0-5.
Peeling method and method of manufacturing semiconductor device
There is provided a peeling method capable of preventing a damage to a layer to be peeled. Thus, not only a layer to be peeled having a small area but also a layer to be peeled having a large area can be peeled over the entire surface at a high yield. Processing for partially reducing contact property between a first material layer (11) and a second material layer (12) (laser light irradiation, pressure application, or the like) is performed before peeling, and then peeling is conducted by physical means. Therefore, sufficient separation can be easily conducted in an inner portion of the second material layer (12) or an interface thereof.
Magnetic memory with high thermal budget
A magnetic memory having a base layer with a wetting layer and seed layer is disclosed. The wetting layer and seed layer promotes FCC structure along the (111) orientation to improve PMA. The seed layer includes first and second seed layer separated by a surface smoother, such as a surfactant layer. This enhances the smoothness of the seed layer, resulting in smoother interface in the MTJ stack, which leads to improved thermal endurance.
Manufacturing method for piezoelectric ceramics
Provided are a barium titanate-based piezoelectric ceramics having satisfactory piezoelectric performance and a satisfactory mechanical quality factor (Qm), and a piezoelectric element using the same. Specifically provided are a piezoelectric ceramics, including: crystal particles; and a grain boundary between the crystal particles, in which the crystal particles each include barium titanate having a perovskite-type structure and manganese at 0.04% by mass or more and 0.20% by mass or less in terms of a metal with respect to the barium titanate, and the grain boundary includes at least one compound selected from the group consisting of Ba4Ti12O27 and Ba6Ti17O40, and a piezoelectric element using the same.
Disclosed is a piezoelectric element wherein a lower electrode made of Pt, a buffer layer made of PLT, and a piezoelectric thin film to be a perovskite ferroelectric thin film are formed in this order on a substrate. The average crystal grain size of Pt forming the lower electrode is not smaller than 50 nm and not larger than 150 nm.
Hermetically sealed piezoelectric actuator assembly
A piezoelectric actuator includes a housing body and lid wherein the housing body defines an open-ended cylindrical interior chamber extending along a displacement axis. The lid bolts to the body transverse to the open end allowing easy access to an electrostrictive assembly disposed within the chamber. The electrostrictive assembly includes an electrostrictive element affixed at one end to the housing by a cup element with an outermost cylindrical surface, and at an opposite, and free, end, to a driver having a portion with a outermost cylindrical surface. The outermost cylindrical surfaces both include circumferential sealing elements, for example, circumferential grooves in which resilient a sealing O-ring resides, or circumferential wiper seals. The assembly is dimensioned to fit wholly within the chamber, with the circumferential sealing elements establishing a hermetic seal while allowing sliding motion of the free end of the electrostrictive element, and the driver, along the displacement axis.
Circuit board and method of manufacture
An electrical circuit board assembly (ECBA) preferably having at least one LED component and having a substrate that includes a plurality of raised pads formed such that open channels are formed therebetween, and such that the upper surfaces of the pads are preferably substantially coplanar. Such intra-pad channels facilitate heat transfer and cooling of the substrate and the ECBA. Further, such raised pads provide for alternate methods of electrically conductive track manufacturing so as to avoid the necessity of chemical etching which requires the use of hazardous toxic chemicals. Such alternate methods of electrically conductive track construction include adhesive conductive sheet application, conductive ink screen printing, and conductive ink painting.
Vertical light emitting devices with nickel silicide bonding and methods of manufacturing
Various embodiments of light emitting devices, assemblies, and methods of manufacturing are described herein. In one embodiment, a method for manufacturing a lighting emitting device includes forming a light emitting structure, and depositing a barrier material, a mirror material, and a bonding material on the light emitting structure in series. The bonding material contains nickel (Ni). The method also includes placing the light emitting structure onto a silicon substrate with the bonding material in contact with the silicon substrate and annealing the light emitting structure and the silicon substrate. As a result, a nickel silicide (NiSi) material is formed at an interface between the silicon substrate and the bonding material to mechanically couple the light emitting structure to the silicon substrate.
Light emitting device
A light emitting device has; a light emitting element, a light reflecting member that is disposed so as to cover the lateral surfaces of the light emitting element and expose a top surface of the light emitting element, a frame that is disposed on the light reflecting member so as to surround an outer periphery of the top surface of the light emitting element, a light transmissive member that is disposed inside the frame, and a sealing member that covers the light reflecting member, the frame and the light transmissive member, and that has a flange covering part of the frame.
Light-emitting device having transparent package and manufacturing method
The present disclosure provides a method for forming a light-emitting device and a light-emitting device formed thereby. The method comprises the steps of providing a transparent substrate, forming multiple pairs of electrode pins on the transparent substrate wherein each pair of electrode pins comprises two electrode pins, providing multiple LED dies on the transparent substrate wherein each LED die comprises two electrodes, providing multiple pairs of metal wires wherein each pair of metal wires comprises two metal wires correspondingly connecting the two electrodes of each LED die with the two electrode pins of each pair of electrode pins, and cutting the transparent substrate to form multiple light-emitting devices.
A method for manufacturing a light emitting diode (LED) die includes providing an LED die including a substrate, an N type semiconductor layer, an active layer, and a P type semiconductor layer grown on the substrate in sequence. The N type semiconductor layer, the active layer, and the P type semiconductor layer are etched to define a plurality of recesses and a groove. An insulating layer to cover side surfaces of the recesses and the P type semiconductor layer is formed and a portion of the insulating layer is etched to define an opening to expose a top portion of the P type semiconductor layer. A pair of electrodes is formed and the LED die is cut along the groove to obtain an individual LED die.
Nano-structured semiconductor light-emitting element
There is provided a nanostructure semiconductor light emitting device including a base layer formed of a first conductivity-type semiconductor, a first insulating layer disposed on the base layer and having a plurality of first openings exposing partial regions of the base layer, a plurality of nanocores disposed in the exposed regions of the base layer and formed of the first conductivity-type semiconductor, an active layer disposed on surfaces of the plurality of nanocores positioned to be higher than the first insulating layer, a second insulating layer disposed on the first insulating layer and having a plurality of second openings surrounding the plurality of nanocores and the active layer disposed on the surfaces of the plurality of nanocores, and a second conductivity-type semiconductor layer disposed on the surface of the active layer positioned to be higher than the second insulating layer.
Light emitting device and method of fabricating the same
A method of fabricating a light-emitting device including the steps of forming a first resin including a phosphor on a light-emitting diode chip mounted on a package body, measuring color coordinates of light emitted by combination of the light-emitting diode chip and the phosphor, correcting the color coordinates by forming a second resin on the first resin, and curing the first resin and the second resin after correcting the color coordinates, in which the first resin is not fully cured before measuring and correcting the color coordinates.
Method for producing a microsystem having pixels
A Method for producing a microsystem (1) with pixels includes: producing a thermal silicon oxide layer on the surface of a silicon wafer as a base layer (5) by oxidation of the silicon wafer; producing a silicon oxide thin layer on the base layer as a carrier layer (6)by thermal deposition; producing a platinum layer on the carrier layer by thermal deposition, whereby an intermediate product is produced; cooling the intermediate product to room temperature; pixel-like structuring of the platinum layer by removing surplus areas of the platinum layer, whereby bottom electrodes (8, 12) of the pixels (7, 8) are formed in pixel shape on the carrier layer in remaining areas; removing material on the side of the silicon wafer facing away from the base layer, so a frame (3) remains and a membrane (4) formed by the base layer and the carrier layer is spanned by the frame.
Photovoltaic system and the manufacturing method thereof
A photovoltaic system consists of a waveguide body, luminescent dyes and a photovoltaic cell. Luminescent dyes and their aggregated particulates with larger diameter are dispersed in the waveguide body to scatter light and transform the first light of the external light into a second light, wherein the wavelength of the second light is longer than the wavelength of the first light. Compared to conventional techniques, the use of luminescent dyes of the present invention can be aggregated into particulates with larger diameter to enhance the power conversion efficiency of the photovoltaic cell, without providing a scattering layer, in order to reduce the production cost and the element complexity of the photovoltaic system. A manufacturing method for a photovoltaic system is also disclosed.
Encapsulants for photovoltaic modules
A photovoltaic (PV) Module can include a substantially transparent cover, first encapsulant, a solar cell and a second encapsulant. The second encapsulant can be configured to allow thermal communication between the solar cell and a heat sink. Various configurations and methods of making the same are presented.
Solar cell module apparatus and method of fabricating the same
Disclosed are a solar cell module apparatus and a method of fabricating the same. The solar cell module apparatus includes a light absorbing layer, and a reflector provided on a light incident surface of the light absorbing layer to reflect a light, which has been reflected from the light absorbing layer, toward the light absorbing layer.
High-efficiency solar photovoltaic cells and modules using thin crystalline semiconductor absorbers
Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects as well as Fabrication methods and structures for forming thin film back contact solar cells are described.
An solar cell is provided comprising a photoelectric conversion layer formed on a substrate formed of a semiconductor material, and a first finger electrode formed of printed conductive paste to a main surface side of the photoelectric conversion layer, wherein an average of standard deviations of heights of uneveness on a surface of the first finger electrode is 5.0 μm or less. The first finger electrode may be formed on a back surface side of the solar cell opposite to a light-receiving surface side. The substrate may be a crystalline silicon substrate. The photoelectric conversion layer may comprise the crystalline silicon substrate, an amorphous silicon layer formed on the substrate, and a transparent conductive oxide film formed on the amorphous silicon layer. The first finger electrode may be provided on the transparent conductive oxide film.
Photovoltaic module with flexible circuit
A photovoltaic module, and method of making, is disclosed in which a flexible circuit is electrically coupled to a plurality of photovoltaic cells, where the photovoltaic cells are electrically coupled in series to form a series of cells. Each photovoltaic cell has free-standing metallic articles coupled to the top and bottom surfaces of a semiconductor substrate. A cell interconnection element of each photovoltaic cell is electrically coupled to a free-standing metallic article of an adjacent photovoltaic cell, where the interconnection elements of the initial and final cells in the series serve as contact ends for the series of cells. Contact tabs of the flexible circuit are electrically coupled to the contact ends of the series of cells, and a junction box is electrically coupled to a junction box contact region of the flexible circuit.
Solid-source diffused junction for fin-based electronics
A solid source-diffused junction is described for fin-based electronics. In one example, a fin is formed on a substrate. A glass of a first dopant type is deposited over the substrate and over a lower portion of the fin. A glass of a second dopant type is deposited over the substrate and the fin. The glass is annealed to drive the dopants into the fin and the substrate. The glass is removed and a first and a second contact are formed over the fin without contacting the lower portion of the fin.
Semiconductor device and method for manufacturing the same
An object is to improve field effect mobility of a thin film transistor using an oxide semiconductor. Another object is to suppress increase in off current even in a thin film transistor with improved field effect mobility. In a thin film transistor using an oxide semiconductor layer, by forming a semiconductor layer having higher electrical conductivity and a smaller thickness than the oxide semiconductor layer between the oxide semiconductor layer and a gate insulating layer, field effect mobility of the thin film transistor can be improved, and increase in off current can be suppressed.
Semiconductor device and display device including semiconductor device
A semiconductor device includes a transistor which includes a first gate electrode, a first insulating film, an oxide semiconductor film, source and drain electrodes, a second insulating film, and a second gate electrode. The oxide semiconductor film includes a first oxide semiconductor film in contact with the first insulating film, a second oxide semiconductor film in contact with the first oxide semiconductor film, and a third oxide semiconductor film in contact with the second oxide semiconductor film. The first to third oxide semiconductor films each contain In, Zn, and M (M represents Al, Ga, Y, or Sn). The third oxide semiconductor film includes a region in contact with a side surface of the second oxide semiconductor film and a region in contact with the second insulating film. The third oxide semiconductor film includes a region where the content of M is greater than or equal to that of In.
Semiconductor device having an oxide semiconductor film and a metal oxide film
The oxide semiconductor film has the top and bottom surface portions each provided with a metal oxide film containing a constituent similar to that of the oxide semiconductor film. An insulating film containing a different constituent from the metal oxide film and the oxide semiconductor film is further formed in contact with a surface of the metal oxide film, which is opposite to the surface in contact with the oxide semiconductor film. The oxide semiconductor film used for the active layer of the transistor is an oxide semiconductor film highly purified to be electrically i-type (intrinsic) by removing impurities such as hydrogen, moisture, a hydroxyl group, and hydride from the oxide semiconductor and supplying oxygen which is a major constituent of the oxide semiconductor and is simultaneously reduced in a step of removing impurities.
Low temperature poly silicon (LTPS) thin film transistor (TFT) and the manufacturing method thereof
The present disclosure discloses a LTPS TFT and the manufacturing method thereof. The method includes: forming a semiconductor layer and a LTPS layer on the same surface on a base layer; forming an oxide layer is formed on one side of the semiconductor layer facing away the base layer, and forming the oxide layer on one side of the LTPS layer facing away the base layer; forming a first photoresist layer of a first predetermined thickness on the oxide layer; arranging a corresponding first cobalt layer on each of the photoresist layers, a vertical projection of the first cobalt layer overlaps with the vertical projection of the corresponding first photoresist layer; doping high-concentration doping ions into a first specific area of the semiconductor layer. With such configuration, the number of the masking process is decreased and the manufacturing time is reduced.
Tensile source drain III-V transistors for mobility improved n-MOS
An n-MOS transistor device and method for forming such a device are disclosed. The n-MOS transistor device comprises a semiconductor substrate with one or more replacement active regions formed above the substrate. The replacement active regions comprise a first III-V semiconductor material. A gate structure is formed above the replacement active regions. Source/Drain (S/D) recesses are formed in the replacement active region adjacent to the gate structure. Replacement S/D regions are formed in the S/D recesses and comprise a second III-V semiconductor material having a lattice constant that is smaller than the lattice constant of the first III-V semiconductor material. The smaller lattice constant of the second III-V material induces a uniaxial-strain on the channel formed from the first III-V material. The uniaxial strain in the channel improves carrier mobility in the n-MOS device.
Semiconductor device having an electrode that is in a peripheral trench region and at a same potential as a source electrode
A semiconductor device includes a layer having first and second surfaces, a first region including central and peripheral portions, and a second region on the first region. First trenches extend into the first surface and terminate within the first region in the central portion. Each first trench includes a first electrode and a gate electrode over the first electrode. The first and gate electrodes are spaced from the first and second regions by a first insulating layer. A second trench extends into the first surface and terminates within the first region in the peripheral portion. The second trench includes a second electrode and a third electrode over the second electrode. The second and third electrodes are spaced from the first and second regions by a second insulating layer. A fourth electrode overlies the first insulating layer in the central portion and the second insulating layer in the peripheral portion.
Ohmic contact structure for semiconductor device and method
In one embodiment, a high electron mobility device structure includes heterostructure with a Group III-nitride channel layer and a Group III-nitride barrier layer that forms a two-dimensional electron gas layer at an interface between the two layers. At least one current carrying electrode includes a recess-structured conductive contact adjoining and making Ohmic contact with the two-dimensional electron gas layer. The recess-structured conductive contact has at least one side surface defined to have a rounded wavy shape.
Oxide semiconductor layer and production method therefor, oxide semiconductor precursor, oxide semiconductor layer, semiconductor element, and electronic device
The invention provides an oxide semiconductor layer that has less cracks and is excellent in electrical property and stability, as well as a semiconductor element and an electronic device each including the oxide semiconductor layer. The invention provides an exemplary method of producing an oxide semiconductor layer, and the method includes the precursor layer forming step of forming, on or above a substrate, a layered oxide semiconductor precursor including a compound of metal to be oxidized into an oxide semiconductor dispersed in a solution including a binder made of aliphatic polycarbonate, and the annealing step of heating the precursor layer at a first temperature achieving decomposition of 90 wt % or more of the binder, and then annealing the precursor layer at a temperature equal to or higher than a second temperature (denoted by X) that is higher than the first temperature, achieves bonding between the metal and oxygen, and has an exothermic peak value in differential thermal analysis (DTA).
Semiconductor device and method of manufacturing semiconductor device
A semiconductor device with a high radiation tolerance is provided. A semiconductor device comprising a semiconductor substrate, a first body region and a second body region provided on a front surface side of the semiconductor substrate, a neck portion provided between the first body region and the second body region, a first source region formed within the first body region and a second source region formed within the second body region, a first gate electrode provided to face the first body region between the first source region and the neck portion, a second gate electrode provided to face the second body region between the second source region and the neck portion, and an insulating film continuously provided between the first gate electrode and the semiconductor substrate, between the second gate electrode and the semiconductor substrate, and on the front surface side of the neck portion, is provided.
Adaptive charge balanced edge termination
In one embodiment, a semiconductor device can include a substrate including a first type dopant. The semiconductor device can also include an epitaxial layer located above the substrate and including a lower concentration of the first type dopant than the substrate. In addition, the semiconductor device can include a junction extension region located within the epitaxial layer and including a second type dopant. Furthermore, the semiconductor device can include a set of field rings in physical contact with the junction extension region and including a higher concentration of the second type dopant than the junction extension region. Moreover, the semiconductor device can include an edge termination structure in physical contact with the set of field rings.
Semiconductor device and fabricating method thereof
A semiconductor device is provided. The semiconductor device includes a first fin on a substrate, a first gate electrode formed on the substrate to intersect the first fin, a first elevated source/drain on the first fin on both sides of the first gate electrode, and a first metal alloy layer on an upper surface and sidewall of the first elevated source/drain.
Memory device containing cobalt silicide control gate electrodes and method of making thereof
An alternating stack of insulating layers and sacrificial material layers can be formed over a substrate. Memory stack structures and a backside trench are formed through the alternating stack. Backside recesses are formed by removing the sacrificial material layers from the backside trench selective to the insulating layers. A cobalt-semiconductor alloy portion is formed in each backside recess by reacting cobalt and a semiconductor material. Conductive material in the backside trench can be removed by an etch to electrically isolate cobalt-containing alloy portions located in different backside recesses. Electrically conductive layers including a respective cobalt-semiconductor alloy portion can be employed as word lines of a three-dimensional memory device.
Method of manufacturing a semiconductor device having a trench at least partially filled with a conductive material in a semiconductor substrate
A method of manufacturing a semiconductor device includes forming a first trench in a semiconductor substrate from a first side, forming a semiconductor layer adjoining the semiconductor substrate at the first side, the semiconductor layer capping the first trench at the first side, and forming a contact at a second side of the semiconductor substrate opposite to the first side.
Integrated circuits with laterally diffused metal oxide semiconductor structures and methods for fabricating the same
Integrated circuits with improved laterally diffused metal oxide semiconductor (LDMOS) structures, and methods of fabricating the same, are provided. An exemplary LDMOS integrated circuit includes an n-type reduced surface field, a p-type body well disposed on a lateral side of the n-type reduced surface field region, a shallow trench isolation structure disposed within the n-type reduced surface field region, and a gate structure disposed partially over the p-type body well, partially over the n-type reduced surface field region, partially over the shallow trench isolation structure, and partially within the shallow trench isolation structure.
Methods of growing a silicon carbide epitaxial layer on a substrate to increase and control carrier lifetime
A method of growing an epitaxial layer on a substrate is generally provided. According to the method, the substrate is heated in a chemical vapor deposition chamber to a growth temperature in the presence of a carbon source gas, then the epitaxial layer is grown on the substrate at the growth temperature, and finally the substrate is cooled in a chemical vapor deposition chamber to at least about 80% of the growth temperature in the presence of a carbon source gas. Substrates formed from this method can have a carrier lifetime between about 0.25 μs and about 9.9 μs.
Organic light-emitting display apparatus and manufacturing method thereof
An organic light-emitting display apparatus and a manufacturing method thereof. The organic light-emitting display apparatus includes a substrate, a display unit arranged on the substrate, a dam unit arranged at a periphery of the display unit and on the substrate and an encapsulating layer to encapsulate the display unit, wherein the encapsulating layer includes an organic film covering the display unit, and an inorganic film covering the organic film and the dam unit, and wherein a hardness of the dam unit is lower than that of the inorganic film. According to this, lateral moisture-proof characteristics of the organic light-emitting display apparatus are improved.
Display apparatus having an electric shield layer
A display apparatus includes: a thin-film transistor including a source electrode, a drain electrode, and a gate electrode; a data line in a layer different from the source electrode, the drain electrode, and the gate electrode, wherein the data line is configured to transmit a data signal; and a shield layer between the data line and a component of the thin-film transistor.
Organic light emitting display device and method of manufacturing the same
An organic light emitting display device includes a substrate having a first width in a first direction and a second width in a second direction, the second width being perpendicular to and smaller than the first width, and pixel regions on the substrate, each of the pixel regions including a first light emitting portion, a second light emitting portion, a third light emitting portion, and a transmission portion arranged along the second direction, each of the first to third light emitting portions extending in the first direction.
A display device includes a substrate having a plurality of transmissive regions aligned in a first direction and a second direction, a plurality of first wiring lines on the substrate extending in the first direction, a plurality of second wiring lines on the substrate extending in the second direction, and a plurality of light emitting sections disposed on the substrate. Each of the transmissive regions is surrounded by the first and second wiring lines. The light emitting sections include a first light emitting section and a second light emitting section. At least part of the first light emitting section is located in a region that is adjacent to the transmissive regions and overlap one of the first wiring lines. At least part of the second light emitting section is located in a region that is adjacent to the transmissive regions and overlap one of the second wiring lines.
Array substrate and method of manufacturing the same, and display panel
The present disclosure provides an array substrate and a method of manufacturing the same, and a display panel comprising the array substrate, for reducing a drop or height difference between surfaces of portions of a passivation layer located on either side of a source/drain electrode lead wire and a surface of a portion of passivation layer located on an upper surface of the source/drain electrode lead wire so as to increase an aperture ratio of the display panel. The method comprises: forming a source/drain electrode lead wire and a passivation layer successively on a base substrate, the passivation layer at least covering the source/drain electrode lead wire; and thinning a portion of the passivation layer located on the source/drain electrode lead wire such that a surface of the portion is higher than those of other portions of the passivation layer, at the time of patterning the passivation layer to form a via hole therein.
Butted body contact for SOI transistor
Systems, methods, and apparatus for an improved body tie construction are described. The improved body tie construction is configured to have a lower resistance body tie exists when the transistor is “off” (Vg approximately 0 volts). When the transistor is “on” (Vg>Vt), the resistance to the body tie is much higher, reducing the loss of performance associated with presence of body tie. Space efficient Body tie constructions adapted for cascode configurations are also described.
Manufacturing method of memory device
A method of manufacturing a memory device includes providing a semiconductor substrate including a first region and a second region. The method includes forming a lower structure including interconnect lines and an etch stop layer in the second region. The method includes forming a multilayer structure on the lower structure. The method also includes forming a slit trench in the multilayer structure of the first region, a first plug hole exposing the etch stop layer of the second region therethrough, and a second plug hole exposing a portion of the interconnect lines of the second region therethrough.
Memory cell array with improved substrate current pathway
A semiconductor memory device according to an embodiment includes a first semiconductor layer containing an acceptor and a memory cell array including an interlayer insulating layer and a conductive layer arranged in a first direction above the first semiconductor layer and a memory columnar body extending in the first direction and having a lower end positioned lower than a position of a top surface of the first semiconductor layer, the memory columnar body containing a second semiconductor layer in a columnar shape having a side face opposite to a side face of the conductive layer, wherein a first portion of the first semiconductor layer in contact with the side face of the memory columnar body contains a donor in a higher concentration than a second portion different from the first portion of the first semiconductor substrate.
Methods of forming patterns using photoresist polymers and methods of manufacturing semiconductor devices
A photoresist polymer includes a first repeating unit and a second repeating unit. The first repeating unit includes a fluorine leaving group that is configured to be removed by a photo-chemical reaction. The second repeating unit includes a silicon-containing leaving group that is configured to be removed by the fluorine leaving group when the fluorine leaving group is removed from the first repeating unit.
Semiconductor memory device and method for manufacturing the same
According to one embodiment, a semiconductor memory device includes a semiconductor substrate, a stacked body, a semiconductor member, a semiconductor portion, a first insulating film, and a charge storage film. The semiconductor member includes a first portion and a second portion, the first portion contacting with the semiconductor substrate, the second portion being provided on the first portion, contacting with the first portion, and having a second width smaller than a first width of the first portion in a first direction crossing a stacking direction. The first insulating film is provided on a side surface of the second portion. The charge storage film is provided on a side surface of the semiconductor portion, extends in the stacking direction, and includes a first portion located on an upper surface of the second portion of the semiconductor member.
Method of forming a semiconductor device structure and semiconductor device structure
The present disclosure provides a semiconductor device structure including a non-volatile memory (NVM) device structure in and above a first region of a semiconductor substrate and a logic device formed in and above a second region of the semiconductor substrate different from the first region. The NVM device structure includes a floating-gate, a first select gate and at least one control gate. The logic device includes a logic gate disposed on the second region and source/drain regions provided in the second region adjacent to the logic gate. The control gate extends over the floating-gate and the first select gate is laterally separated from the floating-gate by an insulating material layer portion. Upon forming the semiconductor device structure, the floating gate is formed before forming the control gate and the logic device.
Contact strap for memory array
Devices and methods for forming a device are disclosed. The method includes providing a substrate having a memory array region. Front end of line (FEOL) process is performed to form components of memory cell pairs. The FEOL process forms storage gates, access gates or word lines, source/drain regions, spacers, erase gates and source line isolation dielectrics. The memory cell pair shares a common source line (SL). A SL strap opening is provided. The source line strap opening is formed between adjacent memory cell pair. The source line strap opening does not overlap the storage gate of the memory cell.
Method for manufacturing static random access memory device
In a method of manufacturing an SRAM device, an insulating layer is formed over a substrate. First dummy patterns are formed over the insulating layer. Sidewall spacer layers, as second dummy patterns, are formed on sidewalls of the first dummy patterns. The first dummy patterns are removed, thereby leaving the second dummy patterns over the insulating layer. After removing the first dummy patterns, the second dummy patterns are divided. A mask layer is formed over the insulating layer and between the divided second dummy patterns. After forming the mask layer, the divided second dummy patterns are removed, thereby forming a hard mask layer having openings that correspond to the patterned second dummy patterns. The insulating layer is formed by using the hard mask layer as an etching mask, thereby forming via openings in the insulating layer. A conductive material is filled in the via openings, thereby forming contact bars.
Semiconductor memory device and semiconductor device and electronic device having the same
A memory cell includes a node and first transistor to third transistors. The third transistor and the second transistor are electrically connected to a fourth wiring and a third wiring in series, respectively. A gate of the third transistor is electrically connected to a second wiring. A gate of the second transistor is electrically connected to the node. In the first transistor, a gate is electrically connected to a first wiring, one of a source and a drain is electrically connected to the fourth wiring, and the other of the source and the drain is electrically connected to the node. The first transistor includes an oxide semiconductor layer where a channel is formed and a channel length and a channel width thereof are each shorter than 100 nm. A maximum potential of the first wiring is lower than or equal to 2 V.
Semiconductor device and method of fabricating the same
A method of fabricating a semiconductor device, the method including etching a portion of a substrate including a first region and a second region to form a device isolation trench; forming a device isolation layer defining active regions by sequentially stacking a first insulating layer, a second insulating layer, and a third insulating layer on an inner surface of the device isolation trench; forming word lines buried in the substrate of the first region, the word lines extending in a first direction to intersect the active region of the first region, the word lines being spaced apart from each other; forming a first mask layer covering the word lines on the substrate of the first region, the first mask layer exposing the substrate of the second region; forming a channel layer on the substrate of the second region; and forming a gate electrode on the channel layer.
Transistors and memory arrays
Some embodiments include a transistor having a semiconductor material with a trench extending downwardly therein. The semiconductor material has a first post region on one side of the trench and a second post region on an opposing side of the trench. The semiconductor material has a narrow fin region along the bottom of the trench and extending between the first and second post regions. Each of the first and second post regions has a first thickness and the narrow fin region has a second thickness, with the second thickness being less than the first thickness. Gate dielectric material is along sidewalls of the first and second post regions, along a top of the narrow fin region, and along side surfaces of the narrow fin region. Gate material is over the gate dielectric material. First and second source/drain regions are within the first and second post regions.
Disclosed is a semiconductor device including a plurality of conductive patterns formed on a semiconductor substrate while being spaced apart from one another at a preset interval and extending in a first direction, and a plurality of junction areas formed by doping impurities in the semiconductor substrate and provided between the conductive patterns. The plurality of junction areas includes transistor junction areas and dummy junction areas. Each of the transistor junction areas is connected through a contact to a source/drain electrode, and the contact is formed at a higher level than the transistor junction areas. Each of the dummy junction areas is connected to a bias contact formed at higher level than the dummy junction areas. A well bias voltage is applied to the dummy junction areas through the bias contact.
High density nanosheet diodes
Embodiments are directed to a method for forming a semiconductor structure by depositing a stack of alternating layers of two materials over a substrate and defining field-effect transistor and diode regions. The method further includes depositing a mask, where the mask covers only the field-effect transistor region while leaving the diode region uncovered. The method further includes doping the material in the diode region with a dopant, implanting epitaxial material with another dopant to form PN junctions, stripping the mask from the structure, forming a metal gate conductor over the field-effect transistor region, and depositing a metal over the substrate to create terminals.
Horizontal current bipolar transistors with improved breakdown voltages
A horizontal current bipolar transistor comprises a substrate of first conductivity type, defining a wafer plane parallel to said substrate; a collector drift region above said substrate, having a second, opposite conductivity type, forming a first metallurgical pn-junction with said substrate; a collector contact region having second conductivity type above said substrate and adjacent to said collector drift region; a base region comprising a sidewall at an acute angle to said wafer plane, having first conductivity type, and forming a second metallurgical pn-junction with said collector drift region; and a buried region having first conductivity type between said substrate and said collector drift region forming a third metallurgical pn-junction with the collector drift region. An intercept between an isometric projection of said base region on said wafer plane and an isometric projection of said buried region on said wafer plane is smaller than said isometric projection of said base region.
Semiconductor package and fabrication method thereof
A semiconductor package includes a semiconductor die having an active surface and a bottom surface opposite to the active surface; a plurality of bond pads distributed on the active surface of the semiconductor die; an encapsulant covering the active surface of the semiconductor die, wherein the encapsulant comprises a bottom surface that is flush with the bottom surface of the semiconductor; and a plurality of printed interconnect features embedded in the encapsulant for electrically connecting the plurality of bond pads. Each of the printed interconnect features comprises a conductive wire and a conductive pad being integral with the conductive wire.
Package including a plurality of stacked semiconductor devices including a capacitance enhanced through via and method of manufacture
A package can include first and second semiconductor devices stacked in a first direction. The first semiconductor device can include a first circuit formed on the first semiconductor device that provides a first potential greater than a ground potential at a first circuit output, and a second circuit coupled to receive the first circuit output. The second semiconductor device can include a first through via providing a first electrical connection between a first side and a second side of the second semiconductor device, and a third circuit. The first circuit output can be electrically connected to the first through via at the first side of the first semiconductor device and the third circuit can be electrically connected to the first through via at the second side of the first semiconductor device to receive the first potential.
Chip package structure and method for forming the same
A chip package structure is provided. The chip package structure includes a substrate. The chip package structure includes a chip package stacked over the substrate. The chip package structure includes first conductive bumps arranged between and in direct contact with the chip package and the substrate providing a clearance. The chip package structure includes a chip structure having a first face and an opposing second face arranged in the clearance between the chip package and the substrate and adjacent to the first conductive bumps. The chip structure contains at least one chip. The chip package structure includes a solder cap connecting the first face of the chip structure and the chip package. The chip package structure includes a second conductive bump connecting the second face of the chip structure and the substrate.
Chip-stacking apparatus having a transport device configured to transport a chip onto a substrate
A chip-stacking apparatus for stacking a chip on a substrate is provided. The chip-stacking apparatus includes a substrate support configured to carry the substrate and a transport device configured to dispose a chip to the substrate. The transport device includes a bond head including a bond base and an attaching element disposed on the bond base and configured to allow the chip to be attached thereon. The center area of the attaching element is higher than an edge area of the attaching element relative to the bond base.
Semiconductor packages with socket plug interconnection structures
A semiconductor package may include a first substrate and a second substrate. Socket bumps may be disposed on the first substrate to provide insertion grooves within the socket bumps. Plug bumps may be disposed on the second substrate. The plug bumps may be configured for insertion into the insertion grooves of the socket bumps and may electrically connect to the socket bumps. Related memory cards and electronic systems may also be provided.
Semiconductor device including semiconductor chip, wiring, conductive material, and contact part
A semiconductor device includes a semiconductor chip, wiring that is included in the semiconductor chip and has a coupling part between parts with different widths, a pad being formed above the wiring and in a position overlapping the coupling part, a bump being formed on the pad, a buffer layer being formed in a position between the coupling part and the pad so as to cover the entire couple part, and inorganic insulating layers being formed between the wiring and the buffer layer and between the buffer layer and the pad, respectively. The buffer layer is made of a material other than resin and softer than the inorganic insulating layer.
Variable ball height on ball grid array packages by solder paste transfer
BGA packages with a spatially varied ball height, molds and techniques to form such packages. A template or mold with cavities may be pre-fabricated to hold solder paste material applied to the mold, for example with a solder paste printing process. The depth and/or diameter of the cavities may be predetermined as a function of spatial position within the mold working surface area. Mold cavity dimensions may be specified corresponding to package position to account for one or more pre-existing or expected spatial variations in the package, such as a package-level warpage measurement. Any number of different ball heights may be provided. The molds may be employed in a standardize process that need not be modified with each change in the mold.
Conductive pad structure for hybrid bonding and methods of forming same
A representative device includes a patterned opening through a layer at a surface of a device die. A liner is disposed on sidewalls of the opening and the device die is patterned to extend the opening further into the device die. After patterning, the liner is removed. A conductive pad is formed in the device die by filling the opening with a conductive material.
Semiconductor device and method of manufacture
A semiconductor device has a top metal layer, a first passivation layer over the top metal layer, a first redistribution layer over the first passivation layer, a first polymer layer, and a first conductive via extending through the first polymer layer. The first polymer layer is in physical contact with the first passivation layer.
Embodiments herein provide for a self-destructing chip including at least a first die and a second die. The first die includes an electronic circuit, and the second die is composed of one or more polymers that disintegrates at a first temperature. The second die defines a plurality of chambers, wherein a first subset of the chambers contain a material that reacts with oxygen in an exothermic manner. A second subset of the chambers contain an etchant to etch materials of the first die. In response to a trigger event, the electronic circuit is configured to expose the material in the first subset of chambers to oxygen in order to heat the second die to at least the first temperature, and is configured to release the etchant from the second subset of the chambers to etch the first die.
Heat-dissipating semiconductor package for lessening package warpage
A heat-dissipating semiconductor package includes a substrate, a chip, a first encapsulation body, a second encapsulation body and a heat sink. The substrate has an inner surface. The chip is disposed on the inner surface of the substrate. The first encapsulation body is formed on the inner surface of the substrate and encapsulates the chip. The second encapsulation body is formed on the first encapsulation body and a periphery area of the inner surface to encapsulate sidewalls and a top surface of the first encapsulation body and cover the periphery area of the inner surface. Wherein, the Young's modulus of the second encapsulation body is less than the Young's modulus of the first encapsulation body. The heat sink is attached to the second encapsulation body. Thereby, the design of the heat-dissipating semiconductor package utilizes multiple encapsulation bodies to reduce the package warpage after installing the heat sink.
Tiled-stress-alleviating pad structure
Structure and method for reducing thermal-mechanical stresses generated for a semiconductor device are provided, which includes a tiled-stress-alleviating pad structure.
Semiconductor packages having EMI shielding parts and methods of fabricating the same
A semiconductor package may include a semiconductor device mounted on a package substrate, a conductive roof located over the semiconductor device, a plurality of conductive walls disposed on the package substrate and arrayed in a closed loop line surrounding the semiconductor device. Conductive pillars may be disposed in regions between the conductive walls on the package substrate and bonded to the conductive roof. The semiconductor package may include a first dielectric layer filling a space between the package substrate and the conductive roof.
Semiconductor device and method of forming vertical interconnect in FO-WLCSP using leadframe disposed between semiconductor die
A semiconductor device has a plurality of semiconductor die or components mounted over a carrier. A leadframe is mounted over the carrier between the semiconductor die. The leadframe has a plate and bodies extending from the plate. The bodies of the leadframe are disposed around a perimeter of the semiconductor die. An encapsulant is deposited over the carrier, leadframe, and semiconductor die. A plurality of conductive vias is formed through the encapsulant and electrically connected to the bodies of the leadframe and contact pads on the semiconductor die. An interconnect structure is formed over the encapsulant and electrically connected to the conductive vias. A first channel is formed through the interconnect structure, encapsulant, leadframe, and partially through the carrier. The carrier is removed to singulate the semiconductor die. A second channel is formed through the plate of the leadframe to physically separate the bodies of the leadframe.
Methods for reducing dual damascene distortion
An integrated circuit structure includes a first low-k dielectric layer having a first k value, and a second low-k dielectric layer having a second k value lower than the first k value. The second low-k dielectric layer is overlying the first low-k dielectric layer. A dual damascene structure includes a via with a portion in the first low-k dielectric layer, and a metal line over and joined to the via. The metal line includes a portion in the second low-k dielectric layer.
Semiconductor packages including upper and lower packages and heat dissipation parts
A semiconductor package includes a lower package with a lower substrate and a lower semiconductor chip. A heat dissipation part is provided adjacent to a side of the lower package and covers a portion of the lower semiconductor chip, and an upper package is on the lower package and is laterally spaced apart from the heat dissipation part.
Method of producing a semiconductor package
A method of manufacturing a lead frame includes providing an electrically conductive layer having a plurality of holes at a top surface. The plurality of holes form a structure of leads and a die pad on the electrically conductive layer. The plurality of holes are filled with a non-conductive material. Next; an electrically conductive foil is attached on the top surface of the electrically conductive layer and the non-conductive epoxy material. The, the electrically conductive foil is etched to create a network of leads, die pad, bus lines, dam bars and tie lines, wherein the bus lines connect the leads to the dam bar, the dam bar is connected to the tie line and the tie line is connected to the die pad.
Underfill control structures and method
A semiconductor device and method of reducing the risk of underbump metallization poisoning from the application of underfill material is provided. In an embodiment a spacer is located between a first underbump metallization and a second underbump metallization. When an underfill material is dispensed between the first underbump metallization and the second underbump metallization, the spacer prevents the underfill material from creeping towards the second underbump metallization. In another embodiment a passivation layer is used to inhibit the flow of underfill material as the underfill material is being dispensed.
Electronic element package and method for manufacturing the same
The present disclosure relates to an electronic element package and a method of manufacturing the same. The electronic element package includes a substrate, an element disposed on the substrate, and a cap enclosing the element. One of the substrate and the cap includes a groove, the other of the substrate and the cap includes a protrusion engaging with the groove. A first metal layer and a second metal layer form a metallic bond with each other in a space between the groove and the protrusion.
Apparatus and method for verification of bonding alignment
Presented herein is a device comprising a common node disposed in a first wafer a test node disposed in a first wafer and having a plurality of test pads exposed at a first surface of the first wafer. The test node also has test node lines connected to the test pads and that are separated by a first spacing and extend to a second surface of the first wafer. A comb is disposed in a second wafer and has a plurality of comb lines having a second spacing different from the first spacing. Each of the comb lines has a first surface exposed at a first side of the second wafer. The comb lines provide an indication of an alignment of the first wafer and second wafer by a number or arrangement of connections made by the plurality of comb lines between the test node lines and the common node.
System and methods for producing modular stacked integrated circuits
A system according to some examples herein includes a base chip which may include a plurality of attachment slots for attaching dies thereto. One or more of the attachment slots may be programmable attachment slots. The base chip may further include circuitry for interconnecting the dies attached to the base chip. For example, the base chip may include a plurality of cross bar switches, each of which is associated with respective ones of the plurality of attachment slots. The base chip may further include a configuration block, which is adapted to receive and transmit test signals for determining electrically connected signal lines of one or more attachment slots when one or more dies are attached to the base chip and which is further adapted to receive configuration data for programming signal (including power and ground) channels of the cross bar switches.
Intermediate structure for transfer, method for preparing micro-device for transfer, and method for processing array of semiconductor device
A method for preparing a plurality of micro-devices for transfer includes temporarily bonding the micro-devices onto a carrier substrate; testing the micro-devices on the carrier substrate to determine if there is at least one first failed micro-device in the micro-devices; and removing the first failed micro-device from the carrier substrate.
Method for wafer level reliability
A method for ensuring wafer level reliability is provided. The method involves: forming a gate oxide layer having a thickness of less than 50 Å on a semiconductor substrate; forming a PMOS element having a channel length of less than 0.13 μm on the semiconductor substrate; and assessing hot carrier injection (HCl) for the PMOS element.
Method of evaluating metal contamination in semiconductor wafer and method of manufacturing semiconductor wafer
An aspect of the present invention relates to a method of evaluating metal contamination in a semiconductor wafer that has been subjected to a heat treatment, which comprises obtaining analysis values by analyzing a plurality of analysis points on a surface of the semiconductor wafer by a first analysis method or a second analysis method, wherein in the first analysis method, analysis values employed in evaluation decrease as an amount of contamination by a metal element that is to be evaluated increases, and in the second analysis method, analysis values employed in evaluation increase as an amount of contamination by a metal element that is to be evaluated increases, and wherein determination of presence or absence of localized contamination by the metal element that is to be evaluated is made by evaluating the analysis values based on the normal value specified by a probability distribution function.
Integrated circuits and molding approaches therefor
Integrated circuit dies within a semiconductor wafer are separated using an approach that may facilitate mitigation of warpage, cracking and other undesirable aspects. As may be implemented in accordance with one or more embodiments, a semiconductor wafer is provided with a plurality of integrated circuit dies and first and second opposing surfaces, and with the second surface of the wafer being ground. A first mold compound is applied to the ground second surface, and the integrated circuit dies are separated along saw lanes while using the first mold compound to hold the dies in place. The integrated circuit dies are encapsulated with the mold compounds, by applying the second mold compound to the first surface and along sidewalls of the integrated circuit dies.
Through substrate via structure for noise reduction
A semiconductor device includes a substrate and a through substrate via structure. The substrate has a through via hole. The through substrate via structure is disposed in the through via hole. The through substrate via structure disposed in the through via hole includes a liner structure and a metal layer. The liner structure includes at least two insulation liners and at least one conductive shielding layer disposed between the insulation liners, in which the insulation liners and the at least one conductive shielding layer conformally cover a sidewall and a bottom of the through via hole. The metal layer covers the liner structure and fills the through via hole.
Semiconductor device and method of manufacturing the same semiconductor device
The semiconductor device includes a semiconductor layer in which a via hole penetrating an upper surface of the semiconductor layer to a lower surface of the semiconductor layer is provided. The semiconductor device includes a first insulating film provided over the lower surface of the semiconductor layer and an inner surface of the via hole. The semiconductor device includes a second insulating film provided over the lower surface of the semiconductor layer and the inner surface of the via hole with the first insulating film interposed between the second insulating film and the semiconductor layer. The semiconductor device includes a device layer including a semiconductor element and provided on the side of the upper surface of the semiconductor layer.
Semiconductor device and fabrication method thereof and semiconductor structure
A semiconductor device is disclosed, which includes: a substrate having a plurality of connecting pads; a semiconductor component having a plurality of bonding pads formed on a surface thereof and corresponding to the connecting pads and a UBM layer formed on the bonding pads; a plurality of conductive elements each having a first conductive portion and a second conductive portion sequentially formed on the UBM layer, wherein the second conductive portion is less in width than the first conductive portion; and a plurality of solder balls formed between the second conductive portions and the connecting pads for connecting the semiconductor component and the substrate, thereby preventing solder bridging from occurring between the adjacent conductive elements and reducing stresses between the conductive elements and the UBM layer.
Method for forming semiconductor device structure
A method for forming a semiconductor device structure is provided. The method includes forming a first dielectric layer and a first conductive structure over a substrate. The first dielectric layer surrounds the first conductive structure. The method includes forming a second dielectric layer over the first dielectric layer. The second dielectric layer has an opening exposing the first conductive structure. The method includes forming a seal layer over the first conductive structure and an inner wall of the opening. The seal layer is in direct contact with the first dielectric layer and the second dielectric layer, and the seal layer includes a dielectric material comprising an oxygen compound. The method includes removing the seal layer over the first conductive structure. The method includes filling a second conductive structure into the opening.
Support ring with masked edge
A support ring for semiconductor processing is provided. The support ring includes a ring shaped body defined by an inner edge and an outer edge. The inner edge and outer edge are concentric about a central axis. The ring shaped body further includes a first side, a second side, and a raised annular shoulder extending from the first side of the ring shaped body at the inner edge. The support ring also includes a coating on the first side. The coating has an inner region of reduced thickness region abutting the raised annular shoulder.
Robot and adaptive placement system and method
A method including moving a substrate, located on a first end effector of a robot, from a first location towards a second location by the robot; determining location of a fiducial on the substrate while the substrate is being moved from the first location towards the second location; comparing the determined location of the fiducial with a reference fiducial location while the robot is moving the substrate from the first location towards the second location.
Substrate processing apparatus, method of manufacturing semiconductor device and non-transitory computer-readable recording medium
In the present invention, a substrate is placed at a predetermined position on a substrate support even though the substrate is deviated on a substrate transfer unit.There is provided a substrate processing apparatus that includes a process chamber, a transfer chamber accommodating a substrate transfer unit, a substrate detecting unit, a memory unit configured to store a first reference position information, a second reference position information and a substrate reference position information and a controller configured to generate a detected position information representing a position of a substrate being transferred in the transfer chamber based on a detection result and to control the substrate transfer unit to place the substrate based on the detected position information, the first reference position information, the substrate reference position information and a difference between the first reference position information and the second reference position information.
Optical heat source with restricted wavelengths for process heating
A semiconductor manufacturing system or process, such as an ion implantation system, apparatus and method, including a component or step for heating a semiconductor workpiece are provided. An optical heat source emits light energy to heat the workpiece. The optical heat source is configured to provide minimal or reduced emission of non-visible wavelengths of light energy and emit light energy at a wavelength in a maximum energy light absorption range of the workpiece.
Substrate liquid processing apparatus
Disclosed is a substrate liquid processing apparatus. The apparatus includes: a substrate holding unit configured to hold a substrate horizontally; a nozzle configured to eject a processing liquid in a transversal direction toward a liquid arrival target position set on the substrate held by the substrate holding unit from an ejection port which is located at an injection position spaced away from the liquid arrival target position by a predetermined distance horizontally; and a liquid receiving unit provided below the nozzle to receive the processing liquid dropping from the ejection port of the nozzle.
Plasma processing method
Disclosed is a plasma processing device that provides an object to be treated with plasma treatment. A wafer as an object to be treated, which is attached on the upper surface of adhesive sheet held by a holder frame, is mounted on a stage. In a vacuum chamber that covers the stage therein, plasma is generated, by which the wafer mounted on the stage undergoes plasma treatment. The plasma processing device contains a cover member made of dielectric material. During the plasma treatment on the wafer, the holder frame is covered with a cover member placed at a predetermined position above the stage, at the same time, the wafer is exposed from an opening formed in the center of the cover member.
Purge gas spraying plate and fume removing apparatus having the same
Provided are a purge gas spraying plate and a fume removing apparatus, and more particularly, a purge gas spraying plate capable of spraying a purge gas, which sprays the purge gas along a curvature of a wafer and efficiently removes fumes remaining on the wafer because a concave portion is formed at one side thereof and a spraying hole and a support member configured to support the wafer are formed in the concave portion, and a fume removing apparatus having the same.
Heat spreading substrate with embedded interconnects
Heat spreading substrate with embedded interconnects. In an embodiment in accordance with the present invention, an apparatus includes a metal parallelepiped comprising a plurality of wires inside the metal parallelepiped. The plurality of wires have a different grain structure than the metal parallelepiped. The plurality of wires are electrically isolated from the metal parallelepiped. The plurality of wires may be electrically isolated from one another.
Removal of semiconductor growth defects
After semiconductor material portions and gate structures are formed on a substrate, a dielectric material layer is deposited on the semiconductor material portions and the gate structures. An anisotropic etch is performed on the dielectric material layer to form gate spacers, while a mask layer protects peripheral portions of the semiconductor material portions and the gate structures to avoid unwanted physical exposure of semiconductor surfaces. A selective epitaxy can be performed to form raised active regions on the semiconductor material portions. Formation of semiconductor growth defects during the selective epitaxy is prevented by the dielectric material layer. Alternately, a selective semiconductor deposition process can be performed after formation of dielectric gate spacers on gate structures overlying semiconductor material portions. Semiconductor growth defects can be removed by an etch while a mask layer protects raised active regions on the semiconductor material portions.
Method for dissolving chalcogen elements and metal chalcogenides in non-hazardous solvents
The present disclosure provides a method of preparing a chalcogen containing solution that is hydrazine free and hydrazinium free, wherein the method comprises: providing a predetermined amount of elemental chalcogen; providing a predetermined amount of elemental sulfur; providing an amine solvent; and combining the predetermined amount of elemental chalcogen and the predetermined amount of elemental sulfur in the amine solvent, thereby dissolving the elemental chalcogen and the elemental sulfur in the amine solvent. The chalcogen containing solution can advantageously be used as a precursor for the formation of a chalcogen containing layer on a substrate.
Substrate cleaning apparatus and substrate cleaning method
A substrate cleaning apparatus performs scrub cleaning of a surface of a substrate with an elongated cylindrical roll cleaning member. The substrate cleaning apparatus includes a roll holder for supporting the cleaning member and rotate the roll cleaning member, a vertical movement mechanism for vertically moving the roll holder so that the roll cleaning member applies a roll load to the substrate at the time of cleaning the substrate by actuation of an actuator having a regulating device, a load cell for measuring the roll load, and a controller for performing feedback control of the roll load through the regulating device based on the measured value of the load cell. The substrate cleaning apparatus further includes a monitor unit for monitoring whether an operation amount of the regulating device falls outside an allowable range of a preset reference value of an operation amount corresponding to a preset roll load.
Method and apparatus for the detection of arc events during the plasma processing of a wafer, surface of substrate
A method for monitoring at least one process parameter of a plasma process being performed on a semiconductor wafer, surface or surface and determine arc events occurring within the plasma tool chamber. The method comprises the steps of detecting the modulated light being generated from the plasma sheath during the plasma process; sampling RF voltage and current signals from the RF transmission line; processing the detected modulated light and the RF signals to produce at least one monitor statistic for the plasma process, and process the monitor signal to determine the occurrence of arcing events during the wafer processing.
Method and system for imaging of a photomask through a pellicle
A system for imaging a sample through a protective pellicle is disclosed. The system includes an electron beam source configured to generate an electron beam and a sample stage configured to secure a sample and a pellicle, wherein the pellicle is disposed above the sample. The system also includes an electron-optical column including a set of electron-optical elements to direct at least a portion of the electron beam through the pellicle and onto a portion of the sample. In addition, the system includes a detector assembly positioned above the pellicle and configured to detect electrons emanating from the surface of the sample.
X-ray tube unit
An x-ray tube unit includes an x-ray tube unit housing, in which a vacuum housing is disposed, which includes a high-voltage component. The vacuum housing includes an insulating medium circulating in the x-ray tube unit housing flowing around it. Further, a cathode module and an anode are disposed in the vacuum housing, the cathode module lying at high voltage and including an emitter which emits electrons when heating current is fed to it. In addition, a potential difference is present between the cathode module and the anode for accelerating the emitted electrons. In accordance with an embodiment of the invention a high-voltage feed, a heating transformer and a radiation protection component are integrated into the high-voltage component, the high-voltage component being filled at least partly with an electrically-insulating encapsulation material. This produces a compact and installation-friendly x-ray tube unit which has high operational safety.
Fuse array for vehicle electrical system having multiple discrete circuits
A fuse array for use in a vehicle electrical system having more than one battery, such as in a start-stop vehicle that automatically shuts off an engine when the vehicle comes to a stop and automatically restarts the engine when a driver starts driving again. The fuse array includes first and second discrete circuits, where the discrete circuits include their own internal bus bars and are electrically isolated from one another, even though they are part of the same fuse array. This enables the fuse array to independently provide battery power to different downstream electrical components, such as a power distribution device and various high amperage components, while still utilizing a single compact assembly.
High speed closing switch
A high speed closing switch includes a case having an interior which is hermetically closed, a ground electrode installed within the case, a high voltage electrode spaced apart from the ground electrode by a predetermined interval, a movable electrode configured to move from a first position in which the ground electrode and the high voltage electrode are not connected to a second position in which the ground electrode and the high voltage electrode are connected, a coil configured to generate electromagnetic force to cause the movable electrode to be moved from the first position to the second position, a returning rod having one end fixedly connected to the movable electrode and the other end protruding to outside of the case, and a driving device configured to drive the returning rod such that the movable electrode is moved from the second position to the first position.
Vacuum circuit interrupter
A vacuum interrupter assembly is provided. The vacuum interrupter assembly includes an operating mechanism, a vacuum chamber including a number of bellows assemblies, a conductor assembly including a first contact assembly and a second contact assembly, the first contact assembly including a stem and a contact member, the first contact assembly stem including an elongated body with a proximal first end, a medial portion, and a distal second end. The first contact assembly stem body has a reduced length. The first contact assembly stem body having a reduced length generates less heat and electrical resistance.
Electronic trip units powered by current transformers and circuit breakers comprising the same
A circuit breaker includes a set of separable contacts moveable between a closed position and an open position, an operating mechanism configured to open the set of contacts, a conductor coupled to the set of contacts, a current transformer coupled to the conductor, and a trip circuit coupled to the operating mechanism and to the current transformer and configured to cause the operating mechanism to open the set of contacts when a current through the conductor exceeds a current threshold that is greater than a saturation threshold of the current transformer. The trip circuit is further configured to vary the current threshold during an interval following a closure of the set of the contacts and to provide a fixed current threshold thereafter.
Multilayer ceramic electronic component
A multilayer ceramic electronic component in which an interface of an edge region of an external electrode that extends around to a side surface of a ceramic body and the ceramic of the surface of the ceramic body in contact therewith, there exists glass (a) containing BaO serving as a first alkaline earth oxide and at least one of CaO and SrO serving as a second alkaline earth oxide, (b) having a total content ratio of the first alkaline earth oxide and the second alkaline earth oxide in a range of 30 to 70 mol %, and (c) having an SiO2 content ratio in a range of 15 to 60 mol %. The molar ratio of the first alkaline earth oxide to the second alkaline earth oxide is in a range of 0.1 to 0.5.
Apparatus and method for bending and winding conductors to make superconductive coils
The apparatus comprises a first working unit for unwinding a coil of conductor and providing straightened conductor, and a second working unit comprising a bending device arranged to bend the straightened conductor leaving the first working unit and a rotary table on which the bent conductor leaving the bending device is laid, whereby a set of turns is formed to make the superconductive coil. The rotary table is rotatably mounted about a stationary vertical axis. The bending device is mounted so as to be translatable both in a longitudinal direction coinciding with the direction of a longitudinal axis of the straightened conductor that is fed by the first working unit to the bending device and in a transverse direction perpendicular to the longitudinal direction. The first working unit is mounted so as to be translatable, along with the bending device, in the transverse direction only.
System and method for electromagnet coil construction and operation
A method of manufacturing electromagnet coils for use in a magnetic resonance imaging (MRI) system is provided. The method comprises forming a coil representation of a coil surface for the electromagnet coils; setting a plurality of performance metric requirements for a plurality of performance metrics for the electromagnet coils, the plurality of performance metrics including a magnetic field-shape metric and an eddy-field metric; forming a performance functional, based on the coil representation and the plurality of performance metrics, for generating a current density pattern over the coil surface; optimizing the performance functional based on the plurality of performance metric requirements; generating a current density pattern over the coil surface based on the minimized performance functional; and obtaining coil windings from the current density pattern.
Resonator balancing in wireless power transfer systems
The disclosure features systems for wireless power transfer that include a resonator featuring a coil with at least two windings and at least one inductor having an inductance value, where the at least one inductor is connected in series to at least one of the windings, and where the inductance value is selected so that when the coil carries a current during operation of the system, the at least one inductor maintains a distribution of current flows among the at least two windings such that for each of the at least two windings, an actual current flow in the winding differs from a target current flow for the winding by 10% or less.
Wireless power transfer systems with shaped magnetic components
In a first aspect, the disclosure features apparatuses for wireless power transfer, the apparatuses including a coil formed of a conductive material. The coil includes a plurality of loops, where the plurality of loops defines an internal region of the coil that extends along a coil axis. The apparatuses include a magnetic component, where the magnetic component is disposed in the internal region and extends in a first direction parallel to the coil axis and in a second direction perpendicular to the coil axis. A maximum dimension of the magnetic component measured in the second direction varies along the first direction.
POSS-containing in-situ composite nanogel with magnetic responsiveness and method for preparing the same
The present invention provides a POSS-containing in-situ composite nanogel with magnetic responsiveness and the method for preparing the same, wherein POSS-containing macromolecule capable of polymerizing and metal-coordination complexing is synthesized to complex with iron salt, Fe2+/Fe3+ salts are in-situ deposited via chemical coprecipitation, and crosslinking agent and initiator are added to induce polymerization so that POSS-containing nanogel ranges with magnetic responsiveness is obtained. The present invention is of professional design, feasible technique and simple operation, and prepared nanogel magnetic particles are well dispersed with excellent magnetic responsiveness, which possesses a good application prospect in medical diagnosis, sensor, catalyst carrier and biomaterial.
Surge absorbing element
A surge absorbing element includes a varistor substrate, a pair of electrodes that are electrically connected to both end faces of the varistor substrate, respectively, to sandwich the varistor substrate, external leads that electrically connect to the paired electrodes, respectively, exterior members that cover the electrodes, and a thermal expansion body that is provided between the paired electrodes and that irreversibly expands with heat generated by the varistor substrate to separate at least one of the paired electrodes from the varistor substrate. A temperature at which the thermal expansion body starts expanding is, for example, equal to or higher than 180° C.
LAN cable with PVC cross-filler
A communications cable includes a jacket and a plurality of twisted pairs, each twisted pair having two insulated conductors twisted around one another. A cross-filler is arranged between the twisted pairs, where the cross filler is constructed of a PVC formulation using a halogenated plasticizer as the primary plasticizer and having a dissipation factor below 0.01 at frequencies between 100 MHz to 500 MHz.
Seal member and seal structure for multicore cable
A seal structure for multicore cable includes a multicore cable configured such that a plurality of first to fourth wires are surrounded by a sheath and drawn out from an end part of the sheath, and a rubber plug including a sheath fitting portion to be externally fitted to the end part of the sheath and a wire penetrating portion having a plurality of first to fourth through holes, through which the plurality of first to fourth wires drawn out from the end part of the sheath are respectively passed. Sheath side lips to be held in contact with an outer periphery of the sheath are provided on an inner periphery of the sheath fitting portion. First to fourth wire side lips to be respectively held in close contact with outer peripheries of the plurality of first to fourth wires are provided on inner peripheries of the plurality of first to fourth through holes.
Stretchable wire and method of fabricating the same
A stretchable wire including a stretchable solid-phase conductive structure; a stretchable insulation layer which surrounds the solid-phase conductive structure; and a liquid-phase conductive material layer disposed between the solid-phase conductive structure and the stretchable insulation layer, and in contact with the solid-phase conductive structure, and a method of fabricating the same.
Doped-carbon nano-architectured structures and methods for fabricating same
In an exemplary method, a nano-architectured carbon structure is fabricated by forming a unit (e.g., a film) of a liquid carbon-containing starting material and at least one dopant. A surface of the unit is nano-molded using a durable mold that is pre-formed with a pattern of nano-concavities corresponding to a desired pattern of nano-features to be formed by the mold on the surface of the unit. After nano-molding the surface of the unit, the first unit is stabilized to render the unit and its formed nano-structures capable of surviving downstream steps. The mold is removed from the first surface to form a nano-molded surface of a carbonization precursor. The precursor is carbonized in an inert-gas atmosphere at a suitable high temperature to form a corresponding nano-architectured carbon structure. A principal use of the nano-architectured carbon structure is a carbon electrode used in, e.g., Li-ion batteries, supercapacitors, and battery-supercapacitor hybrid devices.
Core monitoring system
A core monitoring system including: a TIP measuring a neutron amount in a nuclear reactor; a TIP drive device; a TIP panel; a neutron monitoring panel; and a process computer. The TIP panel includes: a TIP level processor and a TIP position processor that process a TIP level signal and a TIP position signal input from the TIP drive device, respectively; a time setting section synchronizing the TIP level signal and the TIP position signal; and a TIP level data storage section storing synchronized TIP level data. The neutron monitoring panel includes a time setting section setting collecting time of a LPRM level signal and an APRM level signal. The process computer compares the time and stores the TIP level data from the TIP panel and the LPRM and APRM level signals from the neutron monitoring panel corresponding in time, and calculates core performance based on the TIP level data.
Ferroelectric memory cell recovery
Methods, systems, and devices for recovering fatigued ferroelectric memory cells are described. Recovery voltages may be applied to a ferroelectric memory cell that is fatigued due to repeated access (read or write) operations. The recovery voltage may have a greater amplitude than the access voltage and may include multiple voltage pulses or a constant voltage. The recovery operation may be performed in the background as the memory array operates, or it may be performed when a host device is not actively using the memory array. The recovery operations may be performed periodically or may include discrete series of pulses distributed among several instances.
System and method to improve enterprise reliability through tracking I/O performance metrics in non-volatile random access memory
A method for managing a non-volatile random-access memory (NVRAM)-based storage subsystem, the method including: monitoring, by a slave controller on a NVRAM device of the NVRAM-based storage subsystem, an I/O operation on the NVRAM device; identifying, by the slave controller and based on the monitoring, at least one occurrence of error data; comparing, by the slave controller, a numeric aspect of the at least one occurrence of error data with a threshold setting; reporting, by the slave controller on the NVRAM device and to a master controller of the NVRAM-based storage subsystem, the at least one occurrence of error data in response to the numeric aspect crossing the threshold setting; and ascertaining, by the master controller of the NVRAM-based storage system, a physical location of a defect region on the NVRAM device where the error data has occurred by analyzing the reported at least one occurrence of error data.
Methods of operating nonvolatile memory devices including variable verification voltages based on program/erase cycle information
Methods of operating a nonvolatile memory device include performing erase loops on a memory block using a first voltage, performing program loops on memory cells of the memory block using a second voltage, and increasing the first and second voltages based on program/erase cycle information for the memory cells. The first voltage may include an erase verification voltage and the second voltage may include a program voltage.
Reducing verification checks when programming a memory device
Technology for an apparatus is described. The apparatus can include a memory controller with circuitry configured to initiate a program verify sequence to verify data written to a non-volatile memory (NVM). The program verify sequence can have one or more program verify levels that each correspond to memory cells in the NVM for which written data is being verified. The memory controller can detect an approximate percentage of memory cells for each program verify level in which data is successfully written. The memory controller can determine to skip subsequent program pulse verification checks in one or more program verify levels when the approximate percentage of memory cells in which data is successfully written is less than a defined threshold.
Memristor apparatus with variable transmission delay
In an example, a memristor apparatus with variable transmission delay may include a first memristor programmable to have one of a plurality of distinct resistance levels, a second memristor, a transistor connected between the first memristor and the second memristor, and a capacitor having a capacitance, in which the capacitor is connected between the first memristor and the transistor. In addition, application of a reading voltage across the second memristor is delayed by a time period equivalent to the programmed resistance level of the first memristor and the capacitance of the capacitor.
Nonvolatile memory device including nonvolatile memory and resistance-time converter, and integrated circuit card including nonvolatile memory device
A nonvolatile memory device comprises: a nonvolatile memory; a resistance-time converter that outputs an end signal at timing according to a resistance value of the nonvolatile memory; and a time-digital converter that measures the time from input of a start signal to input of the end signal and converts the measured time into a digital value. The time-digital converter includes: a ring delay circuit that includes delay elements connected in a ring configuration; a counter circuit that counts the number of times of a rising edge or a falling edge in output of one of the delay elements; a first memory circuit that stores, based on the end signal, outputs of the delay elements as first data; and a second memory circuit that stores, based on the end signal, a count value of the counter circuit as second data.
Two phase write scheme to improve low voltage write ability in dedicated read and write port SRAM memories
An integrated circuit for storing data comprises a memory cell array comprising a plurality of bit cells (BC1, . . . , BCn) comprising a first and a second one of the bit cells (BC1, BC2) having a static random access memory architecture. The first and the second bit cells (BC1, BC2) are coupled to a common wordline (WL_TOP) and are arranged in different columns (C1, C2) of the memory cell array (100). During a write access to the first bit cell (BC1), the first bit cell (BC1) undergoes a write operation, whereas the second bit cell (BC2) is a half-selected bit cell which undergoes a pseudo read operation. The integrated circuit uses a two-phase write scheme to improve the write-ability in low operating voltage environment.
Mitigating external influences on long signal lines
Mitigating external influences on long signal lines. In accordance with an embodiment of the present invention, a column of a memory array includes first and second transistors configured to pull up the bit line of the column. The column includes a third transistor configured to selectively pull up the bit line of the column responsive to a level of the inverted bit line of the column and a fourth transistor configured to selectively pull up the inverted bit line of the column responsive to a level of the bit line of the column. The column further includes fifth and sixth transistors configured to selectively pull up the bit line and inverted bit line of the column responsive to the clamp signal and a seventh transistor configured to selectively couple the bit line of the column and the inverted bit line of the column responsive to the clamp signal.
Capacitor enablement voltage level adjustment method and apparatus
An apparatus includes logic to determine a discharge drop of a capacitor and to adjust an enablement charge level of the capacitor according to the discharge drop.
External hard drive box and hard drive docking combination
A combination device includes a base, a hinged bottom, a motherboard, and a frame. A first space for accommodating a HDD, a second space for accommodating a cable, and a compartment for accommodating the motherboard are provided in the base and the frame. The compartment includes two grooves at front and rear ends respectively, an opening, and a through hole. A lock member and a first biasing member are disposed in each groove. A pivotal arm is formed with the lock member. The base includes four first bossed holes at four corners respectively, and four second bossed holes. Second biasing members are anchored in the second bossed holes respectively. The frame includes an opening on a central portion of a top for accommodating the connector. The HDD is mounted on the connector. Tops of the second biasing members urge against an inner surface of the top of the frame.
Selecting laser power based on writing to a set of consecutive user data wedges
A set of consecutive user data wedges are each located between consecutive servo wedges of a heat-assisted recording medium. Test data is written at least every other one of the consecutive data wedges using different laser power values. Based on reading the test data, a nominal laser power is selected for use by the read/write head.
Heater design for fly height control
Implementations described and claimed herein includes a storage device comprising a transducer heat including at least one pair of read/write elements and a heat shaped to thermally protrude regions of the transducer head including the read/write elements. According to one implementation, the heat element includes at least one conductive portion of locally decreased resistance proximal to and between the pair of read/write elements to direct the thermally protruded close point away from a midpoint between the read/write elements.
On head microelectronics for write synchronization
The presently disclosed technology teaches integrating disc drive electronics into a transducer head. Decreased electrical transit times and data processing times can be achieved by placing the electronics on or within the transducer head because electrical connections may be made physically shorter than in conventional systems. The electronics may include one or more of a control system circuit, a write driver, and/or a data buffer. The control system circuit generates a modified clock signal that has a fixed relation to phase and frequency of a bit-detected reference signal that corresponds to positions of patterned bits on the disc. The write driver writes outgoing data bits received from an external connection to off-head electronics directly to the writer synchronized with the modified clock signal. The data buffer stores and converts digital data bits sent from the off-head electronics to an analog signal that is synchronized with the modified clock signal.
Automatic selective gain control of audio data for speech recognition
This specification describes, among other things, a computer-implemented method. The method can include receiving a stream of audio data at a computing device. The stream of audio data can be segmented into a plurality of audio segments. Respective intensity levels are determined for each of the plurality of audio segments. For each of the plurality of audio segments and based on the respective intensity levels, a determination can be made as to whether the audio segment includes a speech signal. Selective gain control can be performed on the stream of audio data by automatically adjusting a gain of particular ones of the plurality of audio segments that are determined to include a speech signal.
Speech intelligibility improving apparatus and computer program therefor
[Object] To provide a speech intelligibility improving apparatus capable of generating highly intelligible speech in various environments without unnecessarily amplifying sound volume.[Solution] A speech intelligibility improving apparatus 250 includes: an envelope surface extracting unit 292 extracting, from a spectrum of speech signal 254 as an object of processing, a curve representing a general outline of peaks of spectral envelope in contact with or along local peaks of spectral envelope of the spectrum; a noise adapting unit 300 modifying spectrum of speech signal 254 based on the curve extracted by envelope surface extracting unit 292; and a sinusoidal wave speech synthesizing unit 305 generating a modified speech signal 260 for the speech improved in intelligibility based on the spectrum modified by noise adapting unit 300.
Electronic device, method of cancelling acoustic echo thereof, and non-transitory computer readable medium
An electronic device, a method of cancelling an echo signal thereof, and a non-transitory computer readable recording medium are provided. The electronic device includes a speaker configured to output a sound corresponding to a first audio signal, a microphone configured to acquire a surrounding sound of the electronic device to generate a second audio signal; a double-talk detector (DTD) configured to determine whether a double-talk state, in which an echo signal and a noise signal of the first audio signal are included in the second audio signal, occurs; and an acoustic echo canceller (AEC) configured to generate an estimated echo signal corresponding to the echo signal of the first audio signal based on an adaptive filter (AF) in response to the DTD determining that the double-talk state does not occur and cancel the generated estimated echo signal from the second audio signal to detect an error signal.
Apparatus and method for improving communication quality of radio
An apparatus includes a user input unit, a display unit, a control unit, and a buffer unit. The display unit includes a speed setting menu. The control unit selects a mode from the speed setting menu in response to the selection signal of the user, and controls a compression ratio of a voice codec and a transfer rate of a modem corresponding to a transmission-side radio, and a reception rate of a modem and a restoration rate of a voice codec corresponding to a reception-side radio, based on the selected mode. The buffer unit performs a storage function if there is a difference between the compression ratio of the voice codec and the transfer rate of the modem or if there is a difference between the reception rate of the modem and the restoration rate of the voice codec.
Vector Quantizer and method therein for efficient vector quantization, e.g. in a transform audio codec. The method comprises comparing an input target vector s with a plurality of centroids, each centroid representing a respective class of codevectors in a codebook. Further, a starting point for a search related to the input target vector in the codebook is determined, based on the result of the comparison. The codevectors in the codebook are sorted according to a distortion measure reflecting the distance between each codevector and the centroids of the classes. The Vector Quantizer and method enables that the class of codevectors comprising the most probable candidate codevectors in regard of the input vector s may be searched first.