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 Controlling time division duplex operation patent thumbnailControlling time division duplex operation
A central node for digital subscriber line access multiplex. The central node supports a plurality of subscriber devices and comprises: a digital interface for upstream communication; a converter device for each one of the subscriber devices wherein each converter device comprises an a/d, analogue to digital, converter and a d/a, digital to analogue, converter; an analogue optical interface for communication of analogue signals for all of the subscriber devices with an intermediate distribution node for digital subscriber line access multiplex; a digital multiplexer/demultiplexer connected between the digital interface and the plurality converter devices; an analogue multiplexer/demultiplexer connected between the analogue optical interface and the plurality of converter devices; and a control signal generator connected to the analogue multiplexer/demultiplexer, wherein the control signal generator is arranged to generate an analogue control signal for controlling time division duplex operation at the intermediate distribution node..
Telefonaktiebolaget Lm Ericsson (publ)


 Optical module and optical transmitter using the same patent thumbnailOptical module and optical transmitter using the same
An optical module has an optical modulator configured to perform phase modulation on each of divided light components of an input light and output at least two phase-modulated signal lights, a semiconductor optical amplifier configured to amplify the phased-modulated signal lights in a same polarization mode, and a polarization multiplexer configured to convert the amplified signal lights into two orthogonally polarized signal lights and multiplex the orthogonally polarized signal lights.. .
Fujitsu Optical Components Limited


 Transceiving system, transmitter, receiver, and control  transceiving system patent thumbnailTransceiving system, transmitter, receiver, and control transceiving system
A transceiving system includes: a transmitter; and a receiver coupled to the transmitter via optical transmission lines, the transmitter includes: a first processor configured to generate division data obtained by dividing data; a modulator configured to modulate wavelengths of transport lights, which transport the division data, based on setting information including a correspondence relationship between identification information identifying each of the optical transmission lines and wavelength information indicating a wavelength, and output lights, each of which is superimposed with the respective division data, to the optical transmission lines; and a second processor configured to transmit changed setting information, which is obtained by changing the setting information, to the receiver, and the receiver includes: a de-multiplexer configured to separate lights from the optical transmission lines into de-multiplexed lights of a wavelengths, based on the changed setting information; and a third processor configured to convert the de-multiplexed lights into division data.. .
Fujitsu Limited


 Optical time domain reflectometer implementation apparatus and system patent thumbnailOptical time domain reflectometer implementation apparatus and system
Embodiments disclose an otdr implementation apparatus. The apparatus includes m transmitters, configured to transmit m optical waves of different wavelengths, where m is greater than or equal to 2.
Huawei Technologies Co., Ltd.


 Radio frequency transmit-receive apparatus, terminal, and method patent thumbnailRadio frequency transmit-receive apparatus, terminal, and method
Embodiments of the present invention provide a radio frequency transmit-receive apparatus, a terminal, and a method. The radio frequency transmit-receive apparatus according to the present invention includes: a first antenna unit, a duplexer, a radio frequency unit, and a signal selecting unit.
Huawei Technologies Co., Ltd.


 Supply modulators with voltage and frequency partitioning patent thumbnailSupply modulators with voltage and frequency partitioning
Techniques to improve efficiencies of power amplifiers in wireless communication devices are described herein. In one embodiment, an envelope tracking supply modulator includes a pre-amplifier having an input coupled to an envelope signal and another input coupled to a threshold voltage signal, a de-multiplexer coupled to an output of the pre-amplifier, a pulse frequency modulator having an input coupled to an output of the de-multiplexer, and a pulse width modulator having an input coupled to the output of the de-multiplexer.
Washington State University


 Integrated circuit power rail multiplexing patent thumbnailIntegrated circuit power rail multiplexing
An integrated circuit (ic) is disclosed herein for power management through power rail multiplexing. In an example aspect, an ic includes a first power rail, a second power rail, and a load power rail.
Qualcomm Incorporated


 Piezoelectric thin film resonator, filter, and duplexer patent thumbnailPiezoelectric thin film resonator, filter, and duplexer
A piezoelectric thin film resonator includes: a substrate; a piezoelectric film located on the substrate and having a poisson's ratio of 0.33 or less; a lower electrode and an upper electrode facing each other across the piezoelectric film; and an insertion film that is located in the piezoelectric film or on a lower surface or an upper surface of the piezoelectric film in an outer peripheral region within a resonance region, in which the lower electrode and the upper electrode face each other across the piezoelectric film, and is not located in a center region of the resonance region, wherein at least one of the lower electrode, the piezoelectric film, and the upper electrode in the outer peripheral region within the resonance region is thinner than the at least one of the lower electrode, the piezoelectric film, and the upper electrode in the center region of the resonance region.. .
Taiyo Yuden Co., Ltd.


 Encoded audio metadata-based equalization patent thumbnailEncoded audio metadata-based equalization
A system for producing an encoded digital audio recording has an audio encoder that encodes a digital audio recording having a number of audio channels or audio objects. An equalization (eq) value generator produces a sequence of eq values which define eq filtering that is to be applied when decoding the encoded digital audio recording, wherein the eq filtering is to be applied to a group of one or more of the audio channels or audio objects of the recording independent of any downmix.
Apple Inc.


 Encoded audio extended metadata-based dynamic range control patent thumbnailEncoded audio extended metadata-based dynamic range control
An audio encoder encodes a digital audio recording having a number of audio channels or audio objects. A dynamic range control (drc) processor produces a sequence of encoder drc gain values, by applying a selected one of a number of drc characteristics to a group of one or more of the audio channels or audio objects.
Apple Inc.


Performance-screen ring oscillator (psro) using an integrated circuit test signal distribution network

Embodiments relate to a method of testing an integrated circuit. An aspect includes forming a psro on the integrated circuit.
International Business Machines Corporation

Performance-screen ring oscillator (psro) using an integrated circuit test signal distribution network

Embodiments relate to an integrated circuit comprising a performance-screen ring oscillator (psro). An aspect includes a test signal distribution network, the test signal distribution network including a plurality of flushable pipeline latches, the test signal distribution network configured to deliver a test signal simultaneously, via the plurality of flushable pipeline latches, to each of a plurality of local clock buffers associated with components of the integrated circuit at a plurality of signal outputs.
International Business Machines Corporation

Radiofrequency ablation catheter with optical tissue evaluation

Systems and methods for performing rf ablation while monitoring the procedure using low coherence interferometry (lci) data are described. A catheter includes a distal section, a proximal section, a multiplexer, and a sheath coupled between the distal section and the proximal section.
Medlumics S.l.

Front end multiplexer topology for a set top box

An apparatus and method for processing satellite signals is provided. A switch receives an input signal having a predetermined frequency range, the predetermined frequency range including at least two frequency sub-bands.
Thomson Licensing

Image sensor

An image sensor includes pixels arranged in 1×2 sharing manner by which two neighboring pixels of a same column form a pixel group. Two neighboring bit lines are connected to a multiplexer, and the output of the multiplexer is connected to a readout circuit.
Himax Imaging Limited

External cavity laser based wavelength division multiplexing superchannel transceivers

A technique relates to a superchannel. Laser cavities include a first laser cavity, a next laser cavity, through a last laser cavity.
International Business Machines Corporation

Method for performing pairing in access network applied g.hn technology thereto, access network multiplexer (gam), access network terminal (gnt), and access network system using the same

The present invention relates to a method for giga wire auto pairing, in more details the method for performing auto pairing between a domain master and end-point in an access network forming a g.hn domain including access network multiplexer (gam) in which multiple ports are functioning as domain masters, a terminal (gnt) which includes an end-point forming a g.hn domain with the domain master, and a bundle cable connecting the domain master with the end-point. The auto pairing process is performed by activating ports and starting opening-up, and linking the domain master and the end-point using a seed value, then if the link is set up, automatically registering mac address of the end-point using previously saved mac address of the end-point.
Ubiquoss Inc.

Method for line control of access network applied g.hn technology thereto, access network multiplexer, access network terminal, and access network system using the same

The present invention relates to a method for line control of access network applied g.hn technology thereto, and access network multiplexer (gam), access network terminal (gnt), and access network system using the method, which includes a domain master as a collection of g.hn nodes communicating with the end-point of the access network, a switch connecting the physical layer of g.hn specification with the multiple domain masters, and a controller controlling at least one of bandwidth, output, and signal to noise ratio (snr) offset of the signal transmitted by at least one of the domain master and the end-point.. .
Ubiquoss Inc.

Method for synchronized communication in access network applied g.hn technology thereto, access network multiplexer, access network terminal and access network system using the same

The present invention relates to a method for synchronized communication in access network applied g.hn technology thereto, access network multiplexer (gam), an access network terminal (gnt), and access network system using the same, which comprises a plurality of domain masters that communicate with the access network terminal; a clock controller controlling at least one of speed or output of the signal that the domain master transmits; and an access network terminal which communicates with the access network multiplexer (gam) connecting the domain masters and g.hn specification physical layer, and at least one of speed or output of the signal that the access terminal transmits is controlled by the clock control unit. The present invention provides efficient data transmission and high bandwidth to service subscribers with applying g.hn technology to conventional coaxial cable or telephone line, thereby reducing crosstalk occurred in data transmission..
Ubiquoss Inc.

Radio frequency systems with transmit and receive isolation

Radio frequency systems with transmit and receive isolation are provided. In certain configurations, a wireless device includes a power amplifier including a power amplifier output configured to provide a transmit signal, one or more duplexers including a first duplexer associated with a first frequency band, a plurality of antennas including a first antenna and a second antenna, a plurality of switches, and an isolation detection system.
Skyworks Solutions, Inc.

Wideband multiplexer for radio-frequency applications

Wideband multiplexer for radio-frequency (rf) applications. In some embodiments, a multiplexer may include a common path configured to receive a plurality of rf signals.
Skyworks Solutions, Inc.

Carrier aggregation using diplexers

Current aggregation using diplexers. A multiplexing system can include a first diplexer and a second diplexer.
Skyworks Solutions, Inc.

High-speed level-shifting multiplexer

Systems and methods for level-shifting multiplexing are described herein. In one embodiment, a method for level-shifting multiplexing comprises selecting one of a plurality of inputs based on one or more select signals, and pulling down one of first and second nodes based on a logic state of the selected one of the plurality of inputs.
Qualcomm Incorporated

Telecommunications device comprising an ebd circuit, a tunable impedance network and a tuning a tunable impedance network

A system having a tunable impedance network and a method of tuning a tunable impedance network are disclosed. In one aspect, a telecommunications device comprises an electrical-balance duplexer (ebd) circuit coupled to at least one output node of a transmit path (txin), an antenna, and at least one input node of a receive path (rxout), wherein the ebd circuit is configured to isolate the transmit path from the receive path by signal cancellation, and a balancing network (zbal) as part of the ebd circuit.
Vrije Universiteit Brussel

Broadband tunable external-cavity laser using small mems mirror

A raman pump laser control apparatus comprises a wavelength division multiplexer, a tap coupler, a photoelectric detector, an analogue amplification processing circuit, an analogue-to-digital converter, a fast raman pump control unit, an digital-analog converter, and a raman pump laser. The fast raman pump control unit, after having known anticipated output light power of the raman pump laser, based on a direct relationship between a current anticipated output light power of the raman pump laser and input digital quantity that is needed by the digital-analog converter, uses a feedforward control mechanism so that actual output light power of the raman pump laser fastly approximates the anticipated output light power thereof, and then synchronously combines with a feedback control mechanism so that the actual output light power of the raman pump laser is precisely locked on the anticipated output light power, thereby achieving fast and precise control of the raman pump laser..
Accelink Technologies Co., Ltd.

Raman pump laser control apparatus and control method therefor

A raman pump laser control apparatus comprises a wavelength division multiplexer, a tap coupler, a photoelectric detector, an analogue amplification processing circuit, an analogue-to-digital converter, a fast raman pump control unit, an digital-analog converter, and a raman pump laser. The fast raman pump control unit, after having known anticipated output light power of the raman pump laser, based on a direct relationship between a current anticipated output light power of the raman pump laser and input digital quantity that is needed by the digital-analog converter, uses a feedforward control mechanism so that actual output light power of the raman pump laser fastly approximates the anticipated output light power thereof, and then synchronously combines with a feedback control mechanism so that the actual output light power of the raman pump laser is precisely locked on the anticipated output light power, thereby achieving fast and precise control of the raman pump laser..
Accelink Electronic Technology Co., Ltd

Interfaces and die packages, and appartuses including the same

A memory device includes a memory die package including a plurality of memory dies, an interface device including an interface circuit, and a memory controller configured to control the interface with control data received from at least one of the plurality of memory dies. The interface device of the memory device is configured to divide and multiplex an io channel between the memory die package and the memory controller into more than one channel using the control data receive from the at least one of the plurality of memory dies.
Micron Technology, Inc.

Mems recorder apparatus method and system

A micro-electromechanical system (mems) recorder is provided. The mems recorder includes a scheduler, a serializer, a multiplexer, a transmit/receive switch, a master clock generator, a deserializer, a comparator array to determine whether to generate a signal to wake up a controller and/or a location module from a sleep mode, and a first-in-first-out (fifo) memory to output data to be stored and wake up the controller and/or the location module from the sleep mode if a signal to wake up the controller and/or the location module is received or if the fifo memory is full, wherein the controller and/or the location module is awakened directly by the mems recorder or via the controller..
Samsung Electronics Co., Ltd.

Image sensor alignment in a multi-camera system accelerator architecture

An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.

Motion estimation and detection in a camera system accelerator architecture

An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.

Image capture accelerator

An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.

Camera system transmission in bandwidth constrained environments

An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.

Mobile device, radio transceiver circuit, and impedance adjustment device

A mobile phone device, a radio frequency transceiver circuit and an impedance adjusting device. The present invention discloses a mobile phone device.
Intel Corporation

Acoustic wave filter, duplexer, and module

An acoustic wave filter includes: series resonators connected in series; and one or more parallel resonators connected in parallel, wherein at least two series resonators and a parallel resonator therebetween are divided into a first divided resonator, which includes a piezoelectric substance sandwiched between a pair of electrodes in a c-axis orientation direction, and a second divided resonator, which includes another piezoelectric substance sandwiched between another pair of electrodes so that the another pair of electrodes in the c-axis orientation direction has an electric potential opposite to that of the electrodes of the first divided resonator in the c-axis orientation direction, a first group including the first divided resonators and a second group including the second divided resonators are interconnected in parallel between two nodes, and the first divided resonators and the second divided resonators of the at least two series resonators are not electrically interconnected at the two nodes.. .
Taiyo Yuden Co., Ltd.

In-cycle resource sharing for high-level synthesis of microprocessors

A graph is constructed, having a plurality of nodes representing a plurality of logical operations and a plurality of edges connecting those of the plurality of nodes which do not conflict. A weight, including a width difference between end nodes of each of the edges, is assigned to each edge.
International Business Machines Corporation

Read/write split database query routing

Systems and methods for improving database system performance are described. In one embodiment, a database system includes a database application cluster including at least one read-write node and a plurality of read nodes, a shared memory, and a multiplexer coupled to the database application cluster and shared memory.
Paypal, Inc.

Query result caching for database environments

Systems and methods for improving database system performance are described. In one embodiment, a database system includes a master database, a cache system, a shared memory, and a multiplexer coupled to the master database, cache system, and shared memory.
Paypal, Inc.

Replica database query routing for database environments

Systems and methods for improving database system performance are described. In one embodiment, a database system includes a master database, a replica database, a shared memory, and a multiplexer coupled to the master database, replica database, and shared memory.
Paypal, Inc.

Increasing data throughput of a universal serial bus (usb) type-c port

A computing device may include a universal serial bus (usb) port, a port controller, and a first port multiplexer. The port controller may determine that a connector of a cable has been connected to the port of the computing device and determine that the cable includes a second port multiplexer.
Dell Products L. P.

Touch display device

A touch display device comprising a touch display panel, a first de-multiplexer and a driving integrated circuit (ic) is provided. The touch display panel includes a plurality of first display data transmitting wires and a touch data transmitting wire.
Innolux Corporation

Apparatuses and methods for providing reference voltages

A reference voltage generator is disclosed that may provide a plurality of reference voltages. A reference voltage generator may include a voltage divider, a multiplexer coupled to the voltage divider, an operational amplifier that may receive a voltage from the multiplexer, and a plurality of resistors that may receive an output from the operational amplifier.
Micron Technology, Inc.

Methods and system for wavelength tunable optical components and sub-systems

Wavelength division multiplexing (wdm) has enabled telecommunication service providers to fully exploit the transmission capacity of optical fibers. State of the art systems in long-haul networks now have aggregated capacities of terabits per second.
Aeponyx Inc.

Multiplexer/demultiplexer based on diffraction and reflection

Transmissive diffraction grating(s), reflector(s), and multiple optical sources/receivers are arranged such that each one of multiple optical signals at corresponding different wavelengths co-propagating along a multiplexed beam path would: (i) be transmissively, dispersively diffracted at a multiplexed transmission region of a grating; (ii) propagate between the multiplexed transmission region and multiple demultiplexed transmission regions of a grating undergoing reflection(s) from the reflector(s); (iii) be transmissively, dispersively diffracted at the demultiplexed transmission regions; and (iv) propagate between the demultiplexed transmission regions and the sources/receivers along multiple demultiplexed beam paths.. .
Finisar Corporation

Tunable filters for spectral sensing

A spectroscopic analysis device for analysis of a sample comprising: a photonic integrated circuit (pic) comprising: an input (def) for receiving light from the sample; and a demultiplexer (demux) arranged to distribute the received light into at least a first optical chain (c1) and a second optical chain (c2); wherein each optical chain (c1, c2) of the photonic integrated circuit c(pic) further comprises a tunable bandpass filter (tbf1, tbf2) and a variable attenuator (att1, att2) and a photodetector (pd1, pd2) arranged respectively to filter and to attenuate and to detect the light distributed into its corresponding optical chain (c1, c2).. .
Koninklijke Philips N.v.

Antenna vswr rf duplexer

Rf circuitry, which includes an antenna vswr rf duplexer and duplexer control circuitry, is disclosed. The antenna vswr rf duplexer includes a first hybrid rf coupler having a first main port coupled to an rf antenna, a first isolation port, and a first pair of quadrature ports; a second hybrid rf coupler having a second main port, a second isolation port, and a second pair of quadrature ports; a third hybrid rf coupler having a third main port, a third isolation port, and a third pair of quadrature ports; and rf filter circuitry coupled to the first pair of quadrature ports, the second pair of quadrature ports, and the third pair of quadrature ports, such that the antenna vswr rf duplexer provides an antenna vswr signal.
Qorvo Us, Inc.

Multiband filter circuitry, multiband duplexer circuitry, and related radio-frequency system

A multiband filter circuitry utilized in a radio-frequency (rf) system is disclosed. The multiband filter circuitry operates at a plurality of operating frequency bands.
Mediatek Inc.

Devices and methods related to stacked duplexers

Devices and method related to stacked duplexers. In some embodiments, an assembly may include a first wafer-level packaging (wlp) device having a radio-frequency (rf) shield.
Skyworks Solutions, Inc.

Transmission and reception device

A transmission and reception device includes a control unit, an antenna duplexer, a transmission circuit, a reception circuit, a detection unit, an antenna matching circuit, and a load adjustment circuit. The detection unit is connected to an antenna side of the antenna duplexer.
Murata Manufacturing Co., Ltd.

Apparatus and surround audio signal processing

An apparatus for decoding surround audio signal, includes a bitstream de-multiplexer for unpacking a bitstream into spatial parameters and core parameters, a set of core decoder for decoding the core parameters into a set of core signal, a matrix derivation unit for deriving the rendering matrix from the spatial parameters and playback speaker layout information, a renderer for rendering of the decoded core signal to playback signals using the rendering matrix.. .
Panasonic Corporation

Modulator for a mux lcd

A modulator can include a common signal modulator that outputs a predetermined number of common signals to a multiplexer interface liquid crystal display (mux lcd) based on an output state of a set of general purpose input/output (gpio) pins of a controller, wherein each common signal has at least four bias levels. The modulator can also include a segment signal modulator that outputs a predetermined number of segment signals to the mux lcd based on an output state of another set of gpio pins of the controller, wherein each segment signal has at least three bias levels..
Texas Instruments Deutschland, Gmbh

Computing system control

In one example in accordance with the present disclosure, a computing system is provided. The computing system includes a first bus controller to control x bus lanes, a second bus controller to control y bus lanes, a 2-to-1 x lane multiplexer, and a y lane system component, where y>x>0.
Hewelett-packard Developmetn Comapny, L.p.

Optical spot array pitch compressor

An apparatus including a passive wavelength division multiplexing (wdm) demultiplexer (demux) or a passive wdm multiplexer (mux), an active photo diode (pd) array or an active laser diode (ld) array, and a compressing device disposed between the passive wdm demux or the passive wdm mux and the active pd array or the active ld array. The compressing device changes the optical spot pitch of the passive wdm demux or the passive wdm mux o match the pitch of the active pd array or the active ld array.
Alliance Fiber Optic Products, Inc.



Lexer topics:
  • Capacitive Sensor
  • Semiconductor
  • Demultiplex
  • Video Play
  • Multiplexing
  • Compatibility
  • Coding Method
  • Volatile Storage
  • Volatile Memory
  • Memory Cells
  • Memory Cell
  • Semiconductor Substrate
  • Speech Recognition
  • Intersymbol Interference
  • Feedback Signal


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