|| List of recent Lexer-related patents
|Spatial multiplexing in a soundfield teleconferencing system|
The present document relates to audio conference systems. In particular, the present document relates to the mapping of soundfields within an audio conference system.
Dolby Laboratories Licensing Corporation
|Cdr voter with improved frequency offset tolerance|
An improved clock data recovery circuit is provided which provides lower bit error rates and faster locking times. In an embodiment, the circuit includes a voter having one or more voter inputs.
|Integrated multiband antenna|
An end fed dipole antenna on a circuit board configured to be a multiband, portable radio antenna has, among other features, an integrated diplexer for operating the antenna in multiple frequency bands.. .
R.a. Miller Industries, Inc.
|Multiband antenna with variable electrical tilt|
At least one output of the butler matrix is connected to a module enabling an independent electrical tilt for each frequency band, the module comprising (i) a first stage of diplexers that separates the signal into different frequency bands, (ii) a second stage of fixed delay lines that applies a given electrical delay to the signal in each frequency band, (iii) a third stage of variable phase shifters that introduce an adjusted phase shift of the signal into each frequency band, and (iv) a fourth stage of diplexers that combines the signals into the different frequency bands in order to transmit them to at least one radiating element.. .
|Directional coupler, and multiplexer and demultiplexer|
The directional coupler includes: lattice points periodically arranged in the 2d-pc slab and configured to diffract optical waves, thz waves, or millimeter waves in pbg frequencies in pbg structure of the 2d-pc slab in order to prohibit existence in a plane of the 2d-pc slab; a first 2d-pc waveguide formed of a line defect; a second 2d-pc waveguide which can be mode-coupled to the first waveguide; a directional coupling unit disposed between the first waveguide and the second waveguide in two rows, and having lattice points between waveguides of which the radius is smaller than that of the lattice points, wherein in order to match the first waveguide with an operational band at a side of an input port from the directional coupling unit, the width of the second waveguide is narrowed so that the whole dispersion curve of the directional coupling unit is moved to a higher-frequency side.. .
|Core circuit test architecture|
A scan test architecture facilitates low power testing of semiconductor circuits by selectively dividing the serial scan paths into shorter sections. Multiplexers between the sections control connecting the sections into longer or shorted paths.
Texas Instruments Incorporated
|Device and implementing fast fourier transform/discrete fourier transform|
A device for implementing fft/dft is disclosed, comprising: a first multiplier, a second multiplier, a first adder, a second adder, a first multiplexer, a second multiplexer, a first accumulator register, a second accumulator register and a negation controller, wherein the first adder is configured to accumulate the output signals of the first multiplexer, the first multiplier and the second multiplier and input an accumulated signal to the first accumulator register; the second adder is configured to accumulate the output signals of the second multiplexer, the first multiplier and the second multiplier and input an accumulated signal to the second accumulator register; the first accumulator register is configured to output the output signal of the first adder or feed the same back to the first multiplexer; and the second accumulator register is configured to output the output signal of the second adder or feed the same back to the second multiplexer.. .
|Multiplexer having fewer intermodulation products|
A multiplexer (mul) having fewer intermodulation products is specified. For this purpose, the multiplexer (mul) comprises a transmit and/or receive filter (tx, rx), which operates with acoustic waves, and blocker electrodes (el1, el2) for diverting undesired frequency components to ground (gnd).
|Multi-wavelength laser apparatus and methods|
An apparatus includes a laser that includes a plurality of optical cavities, separate optical gain media for each of the cavities, an optical demultiplexer, and a periodic optical filter. The optical demultiplexer demultiplexes a common portion of the optical cavities into separate portions.
Alcatel-lucent Usa Inc.
|Devices and methods for duplexer loss reduction|
Methods and devices are described for reducing transmit rf signal loss in a bi-directional rf transmit/receive system with a duplexer circuit. In one case a filter in a transmit path is used such as to reduce amplified noise in a receive frequency band..
Peregrine Semiconductor Corporation
Solid-state imaging apparatus and semiconductor device
The present invention provides a small-sized inexpensive solid-state imaging apparatus. A d/a converter included in a successive comparison type a/d converter of the solid-state imaging apparatus includes a multiplexer which selects any of reference voltages vr0 to vr16 and sets it as an analog reference signal when coarse a/d conversion is performed, and which selects reference voltages vr (n−1) to vr (n+2) of the reference voltages vr0 to vr16 when fine a/d conversion is performed, and a capacitor array which generates an analog reference signal, based on the reference voltages vr (n−1) to vr (n+2) when the fine a/d conversion is performed.
Renesas Electronics Corporation
Multiplexer circuit, computer-readable recording medium having stored therein program for designing multiplexer circuit, and designing multiplexer circuit
In a multiplexer circuit which loads n data segments (n is an integer of n<m) led by an arbitrary data segment from a first register storing m data segments (m is an integer equal to or larger than two) to a second register, an intermediate register is disposed between the first register and the second register. A first selection circuit between the first register and the intermediate register and a second selection circuit between the intermediate register and the second register are designed based on a value of l for minimizing a circuit amount of the first selection circuit and the second selection circuit.
Miniature acoustic resonator-based filters and duplexers with cancellation methodology
A cancellation-based filter may have at least one frequency pass band and at least one frequency stop band. The cancellation-based filter may include a first group of one or more band pass filters, each having at least one acoustic resonator, the first group providing at least one frequency pass band for the cancellation-based filter; at least one hybrid coupler; and a second group of one or more band pass filters, each having at least one acoustic resonator, the second group coupled to at least one of the at least one hybrid couplers, wherein the at least one hybrid coupler and the second group of one or more band pass filters interact to provide at least one frequency stop band for the cancellation-based filter..
University Of Southern California
Wavelength division multiplexing module
A telecommunications module includes an optical wavelength division multiplexer/demultiplexer configured to demultiplex a first optical signal input into the telecommunications module into a plurality of different wavelengths, a fiber optic splitter configured to split a second optical signal input into the telecommunication module into a plurality of optical signals, and a plurality of optical add/drop filters, each of the optical add/drop filters configured to combine one of the optical signals that has been split by the fiber optic splitter and one of the wavelengths that has been demultiplexed by the optical wavelength division multiplexer/demultiplexer into a combination output signal that is output from the telecommunications module.. .
Adc Telecommunications, Inc.
Terminal for d2d communication and rejecting interference method thereof
A terminal for performing device-to-device (d2d) communication, according to an embodiment of the present invention, includes an antenna configured to transmit/receive an uplink channel signal and a downlink channel signal, a duplexer configured to separate a transmission/reception signal of the antenna into the uplink channel signal and the downlink channel signal, a switch configured to switch the uplink channel signal in a time division duplex (tdd) scheme so as to separate the uplink channel signal into an uplink transmission block and a first reception block, and a second reception block configured to convert the downlink channel signal provided from the duplexer into a baseband.. .
Electronics And Telecommunications Research Institute
Moving picture encoding system, moving picture encoding method, moving picture encoding program, moving picture decoding system, moving picture decoding method, moving picture decoding program, moving picture reencoding system, moving picture reencoding method, moving picture reencoding program
A first super-resolution enlarger 103 works on moving pictures input with a standard resolution, implementing a process for a super-resolution enlargement including information on frequency components in the spatial direction and the temporal direction that has been potentially contained in the input moving pictures but unable to express to a sufficient degree by the standard resolution, and provides super-resolution enlarged signals, which are returned to the standard resolution at a first resolution converter 104, and the super-resolution enlarged signals as returned to the standard resolution are encoded at a second encoder 107. There is a first encoder 102 for encoding moving pictures input with the standard resolution, and a multiplexer 109 working to multiplex a sequence of encoded bits from the first encoder 102, a sequence of encoded bits from the second encoder 107, and the like.
Jvc Kenwood Corporation
Broadcast transmitter, broadcast receiver and 3d video data processing method thereof
A broadcast transmitter, a broadcast receiver, and a 3d video data processing method are disclosed. A 3d video data processing method includes processing, by a video formatter, 3d video data, encoding, by an encoder, 3d video data, generating, by a system information processor, system information having 3d video composition information including information about the processing and encoding of 3d video data, multiplexing, by a multiplexer, the system information and the 3d video data, and transmitting, by a transmitter, a broadcast signal.
Lg Electronics, Inc.
Multi-format output device, control multi-format output device
A multi-format output device includes decoders to decode first encoded data and second encoded data to generate a first video data having a first-type format with first caption data also having the first-type format, and second video data having a second-type format with second caption data also having the second-type format. A conversion unit converts video data of one format type into video data having another format-type.
Kabushiki Kaisha Toshiba
Wavelength regeneration in a network
An optical network including a plurality of gateway nodes interconnected with a plurality of intermediate nodes with segments of fiber. The network includes a plurality of devices, such as reconfigurable optical add drop multiplexers, optimally placed at various nodes throughout the network.
Level 3 Communications, Llc
Mode switching available wireless transceiver
Provided is a transceiver. The transceiver includes: a transmission unit modulating at least one of a plurality of baseband transmit signals to an rf band and amplifying the modulated at least one; a duplexer transmitting transmit signals outputted from the transmission unit to an antenna by selecting a signal in a downlink frequency band or an uplink frequency band or filtering a receive signal received from the antenna by the downlink frequency band or the uplink frequency band; a reception unit demodulating the receive signals in the downlink frequency band or the uplink frequency band from the duplexer into at least one baseband signal; a first switch delivering a transmit signal provided from the transmission unit to a first rf band filter of the duplexer in a first communication mode and a second communication mode; and a second switch delivering a first receive signal delivered from a second rf band filter of the duplexer to the reception unit in the first communication mode and a third communication mode, wherein each of the transmission unit and the reception unit includes one power amplifier and one low noise amplifier..
Electronics And Telecommuications Research Institute
W-band combiner-splitter fabricated using 3-d printing
Methods and systems are disclosed for scalable antenna arrays that may be built up using pluggable tiles that have low distortion, flat band high gain, and structured to channelize the signals into narrow bands that may be 40 mhz or even smaller bandwidth apart. Antenna array tiles may employ traveling wave tube (twt) components and wafer scale arrays.
Multiplexer with non-interleaved channel plan
An apparatus comprises a plurality of transmitters configured to transmit waves at a plurality of wavelengths, and a multiplexer coupled to the transmitters, comprising first ports and second ports, and configured to receive, via the first ports, a first subset of the waves meeting a first equation, receive, via the second ports, a second subset of the waves meeting a second equation, and multiplex the first subset of the waves and the second subset of the waves to create a combined wave. A method comprises receiving a first subset of waves at a first plurality of wavelengths and meeting a first equation, receiving a second subset of waves at a second plurality of wavelengths and meeting a second equation, multiplexing the first subset of waves and the second subset of waves in a non-interleaved manner to create a combined wave, and transmitting the combined wave..
Futurewei Technologies, Inc.
A multiplexer/demultiplexer that functions as an extremely small awg optical filter in order to prepare a miniaturized and low-cost transceiver module necessary to realize a high speed transceiver for ethernet (registered trademark). An optical multiplexer/demultiplexer includes: at least one input waveguide, a first slab waveguide, an arrayed waveguide group, a second slab waveguide, and at least one output waveguide.
Nippon Telegraph And Telephone Corporation
Bidirectional pentaplex system and method
A bidirectional pentaplex system is connected to a machine room. The machine room provides a first optical signal, a second optical signal and a monitoring signal and transmits to the bidirectional pentaplex system.
National Taiwan University Of Science And Technology
Transmitter and receiver of multiple-subcarrier signals through polarization antenna and controlling the same
Disclosed is a data transmitter, including: a demultiplexer configured to demultiplex a data subcarrier, and a training sequence or a pilot subcarrier included in a signal which needs to be frequency-shifted among a plurality of signals; a frequency shift unit configured to frequency-shift the demultiplexed data subcarrier based on a predetermined frequency; a superposition unit configured to generate a polarization signal by superimposing the demultiplexed training sequence or pilot subcarrier, and the frequency-shifted data subcarrier; and a polarization antenna configured to transmit a signal which need not be frequency-shifted and the generated polarization signal among the plurality of signals.. .
Electronics And Telecommunications Research Institute
A multiplexer may include a first circuit, a second circuit, and a third circuit. The first circuit may be configured to receive a first input signal and a first trigger signal and to output a first output signal that may be based on the first input signal during a first level of the first trigger signal and may be at a known level during a second level of the first trigger signal.
Power failure prevention system and circuits
A dc-dc converter system that can switch between boost and buck operation is used in a power failure prevention system. The dc-dc converter operates in boost mode at startup.
Failure diagnosis circuit
A failure diagnosis circuit includes a multiplexer and a controller. The multiplexer receives address signals, and selectively outputs one of the address signals to an addressable module in response to a selecting signal.
Stmicroelectronics (shenzhen) R&d Co. Ltd
Magnetic state element and circuits
Described is an apparatus, for spin state element device, which comprises: a variable resistive magnetic (vrm) device to receive a magnetic control signal to adjust resistance of the vrm device; and a magnetic logic gating (mlg) device, coupled to the vrm device, to receive a magnetic logic input and perform logic operation on the magnetic logic input and to drive an output magnetic signal based on the resistance of the vrm device. Described is a magnetic de-multiplexer which comprises: a first vrm device to receive a magnetic control signal to adjust resistance of the first vrm; a second vrm device to receive the magnetic control signal to adjust resistance of the second vrm device; and an mlg device, coupled to the first and second vrm devices, the mlg device having at least two output magnets to output magnetic signals based on the resistances of the first and second vrm devices..
Wavelength division multiplexing with multi-core fiber
Optical systems for wavelength division multiplexing and wavelength division demultiplexing with a multi-core fiber, and methods of their fabrication, are disclosed. The systems include a coupling mirror with a plurality of angled surfaces that are configured to direct light to or from different cores of a multi-core fiber.
International Business Machines Corporation
Boundary scan path method and system with functional and non-functional scan cell memories
An integrated circuit or circuit board includes functional circuitry and a scan path. The scan path includes a test data input lead, a test data output lead, a multiplexer, and scan cells.
Texas Instruments Incorporated
Input-controllable dynamic cross-connect
A multiplexer capable of automatically and dynamically selecting a correct or the best input out of a pre-configurable set of alternative inputs, based on the current status of the alternative inputs. An input status-sensitive, dynamic, m-by-m digital cross-connect can be formed out of an arrangement of m (an integer) instances of such input-controllable dynamic m:1 multiplexers.
All digital burst-mode clock and data recovery (cdr)
The present invention relates to a clock and data recovery (cdr) unit comprising of a bang-bang phase detector to receive data and a recovered clock from a phase selector multiplexer. The phase detector produces a late and an early comparison output.
Transponder for wdm ring network
For a wdm ring network, a node has an optical add drop part and a transponder having a wavelength tunable transmitter for sending a selectable one of the wavelengths in a selectable direction around the ring to a destination node. There is a controller configured to select the wavelength to be sent by the wavelength tunable transmitter and to change the direction of sending around the ring, in response to a detection of a fault in sending in one of the directions.
Telefonaktiebolaget L M Ericsson (publ)
Clock phase compensator for multi-stage time division multiplexer
An upstream multiplexer multiplexes data into first and second serialized data streams based on first and second low frequency clocks each derived from a high frequency clock. A downstream multiplexer multiplexes the first and second serialized data streams into a third serialized data stream based on the high frequency clock.
Cisco Technology, Inc.
Receiver deserializer latency trim
A system and method for receiving includes an input multiplexer configured to select between one or more input data streams and a pseudo random bit sequence (prbs) to provide a serial stream. A plurality of storage devices is configured to sample the serial stream.
International Business Machines Corporation
Transmitter serializer latency trim
A system and method for transmitting includes a plurality of multiplexers each configured to combine a pseudo random bit sequence (prbs) with at least one input stream according to the data control clock. At least one storage device is coupled to an output of each of the plurality of multiplexers and is configured to latch data according to the data control clock.
International Business Machines Corporation
Apparatus and retrieveing data from a wdm signal, transmitter and transmitting a wdm signal, and wdm system
An apparatus for retrieving data from an optical wavelength-division multiplexing (wdm) signal received via a wdm path in a wavelength-division multiplexing transmission system having a plurality of channels associated with different wavelengths includes a demultiplexer configured to split the optical wdm signal into a plurality of signals each associated with one of the channels, and a calculator configured to calculate data associated with a respective one of the channels based on the signal associated with the respective channel and taking information on determined crosstalk interferences of other channels to the respective channel into consideration. A transmitter for transmitting an optical wdm signal via a wdm path in a wdm transmission system having a plurality of channels associated with different wavelengths includes a predistorter configured to predistort data associated with a respective one of the channels by information on determined crosstalk interferences of other channels to the respective channel, and a signal source..
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
A transmission filter allows a signal in the frequency band of a transmission signal to pass through the transmission filter and blocks signals in other frequency bands. The transmission signal output from the transmission filter is supplied to an antenna via an antenna sharing device and transmitted to the outside.
Murata Manufacturing Co., Ltd.
A duplexer having good insulation, small geometric dimensions and good decoupling of the transmit signal path from an antenna which may have poor matching is specified. To that end, the duplexer comprises two transmit filters, a receive filter and two 90° hybrids..
Clock signal generator
A clock generator suitable for use with memory devices enables generation of memory clock signals having odd or even division ratios, an optional phase shift and a 50% duty cycle. First and second clock gate circuits receive a base clock signal and an inverted version thereof, respectively, and are both gated by the output of two comparators that are set when a value of a down counter receiving the base clock signal reaches a predetermined value.
Mdll/pll hybrid design with uniformly distributed output phases
A circuit for generating a clock signal formed as a hybrid of a multiplying delay-locked loop (mdll) and a phase locked loop (pll). In one embodiment a chain of inverting delay multiplexers is connected in a ring configuration capable of operating as a ring oscillator, with a first delay multiplexer in the ring configured to substitute a feed-in clock signal for the feedback clock generated by the ring oscillator when an edge, either rising or falling, is received at the forwarded clock input.
Samsung Display Co., Ltd.
Programmable wavelet tree
An apparatus is provided. In the apparatus, a demultiplexer is configured to receive an input signal, and each of a plurality of sample buffers are coupled to the demultiplexer.
Texas Instruments Incorporated
Wavelength multiplexer, and method and program for identifying failed portion
To provide a wavelength multiplexing device and the like that can effectively identify whether impairment occurs at a location before or after a separation and switching module, a wavelength multiplexing device (100) is connected to one or more optical fiber line systems and to one or more optical transceiver systems and is disposed between the optical fiber lines and optical transceivers so as to input and output optical signals, and is provided with the following: first optical switches (12a-12c) that output an optical signal input from an optical line to an optical transceiver; second optical switches (12d-12f) that output an optical signal input from an optical transceiver to an optical fiber line; and a local optical loopback circuit (13) that feeds back and outputs an optical signal input from an optical transceiver (21-23) to that optical transceiver.. .
Apparatus and methods for use with optical rotating joint
A method and apparatus for operating an optical rotating joint (2); comprising: routing optical signals through an optical rotating joint (2) by using a first optical circulator (64) on a first side of the optical rotating joint (2) to receive an optical signal and direct the optical signal onward to a first side of the optical rotating joint (2), and using a second optical circulator (93) on a second side of the optical rotating joint (2) to receive the optical signal from the second side of the optical rotating joint (2) and direct it onwards. The signals may be sensor control signals or sensor output signals to/from a plurality of sensors (26, 28, 30), for example camera sensors.
Bae Systems Plc
Optical routing apparatus and method
Optical add and drop switch and aggregator apparatus comprising: n first wavelength selective routing apparatus each configured to split a wavelength multiplexed input signal into l sub-signals; demultiplexers each configured to demultiplex a respective sub-signal into k optical signals; output ports each configured to output a respective output optical signal; add ports configured to receive optical signals to be added; m second wavelength selective routing apparatus each having x outputs, each said apparatus being configured to receive optical signals from a respective add port and to route each received optical signal to a respective one of its outputs; drop ports configured to output optical signals to be dropped; and a switch matrix coupled between the demultiplexers, the output ports, the drop ports and the second wavelength selective routing apparatus, the switch matrix comprising a plurality of optical switches arranged in xm columns and kln rows.. .
Telefonaktiebolaget L M Ericsson (publ)
Optical flber laser equipment
An optical fiber laser device includes optical reflectors making an invisible laser light from an amplification optical fiber; a light source outputting a visible light; an introduction unit outputting the laser light input to a first input terminal from a first output terminal mainly, outputting the visible light input to a second input terminal from the first output terminal mainly, inputting the visible light output by the light source connected to the second input terminal and introducing the visible light to the amplification optical fiber or a output optical fiber via the first output terminal; an optical multiplexer/demultiplexer outputting the visible light to the introduction unit, and outputting a leaking return light input from a side of the introduction unit; and a controller outputting the visible light from the output optical fiber in a case of determining a position at which the laser light will be irradiated.. .
Furukawa Electric Co., Ltd.
Display driving circuit
The display driving circuit including a type detector for receiving a data packet including a 2-bit embedded signal, in which a clock signal embedded in a data signal, and outputting a first reference clock or a second reference clock different from the first reference clock according to a type of the data packet, a window generator for receiving multi-phase clocks and providing to the type detector a first window reference and a second window reference different from the first window reference to be used in determining the type of the data packet, a buffer for delaying the first reference clock by a first interval and delaying the second reference clock by a second interval different from the first interval, and a multiplexer for multiplexing the delayed first and second reference clocks and outputting a multiplexed reference clock may be provided.. .
Postech Academia-industry Collaboration Foundation
Display panel and demultiplexer circuit thereof
A display panel and a demultiplexer circuit are provided. The demultiplexer circuit includes a first to a pth switch units.
Au Optronics Corporation
System and communication between a data-acquisition circuit and a data-processing circuit
The present invention relates to a communication system coupled to a data-acquisition circuit and to a data-processing circuit, including at least one shift register, an addressing circuit and a multiplexer. The shift register includes a serial input for inputting and storing data in series, a serial output for outputting data in series, and parallel outputs for outputting data stored in said shift register in parallel.
Commissariat A L'energie Atomique Et Aux Energies Alternatives
Polarity insensitive hall effect sensor
Non-contact positions sensors are desirable because they have lower failure rates than traditional potentiometers. However, using a hall effect sensor as a non-contact position sensor requires a particular input polarity.
Bei Sensors & Systems Company, Inc.
Dft approach to enable faster scan chain diagnosis
A circuit that facilitates faster diagnosis of plurality of logic circuits connected in a scan chain is provided. The circuit includes a first multiplexer that receives a scan data input.
Texas Instruments Incorporated
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.
Methods and providing configuration discovery using intra-nodal test channel
Method and apparatus of an optical routing system (“ors”) capable of automatically discovering intra-nodal fiber connections using a test channel transceiver (“tct”) are disclosed. Ors, in one embodiment, includes a set of reconfigurable optical add-drop multiplexer (“roadm”) modules, intra-nodal fiber connections, add-drop modules, and a test module.
Tellabs Operations, Inc.
Pluggable electronic device and determining output data of pluggable electronic device
A pluggable electronic device is provided, where the pluggable electronic device is used to connect to a display, the pluggable electronic device is used to generate data complied with a first standard or a second standard, and to transmit the data to the display. The pluggable electronic device includes: a control circuit for generating audio/video signals and control signals; a selection signal generating circuit for generating a selection signal according a determining result indicating whether the pluggable electronic device is connected to an external power source or not; a multiplexer, for receiving the audio/video signals and the control signals, and selectively generating the audio/video signals and the control signals complied with the first standard or the second standard according to the selection signal; and a connector for transmitting the audio/video signals and the control signals from the multiplexer to the display..
Realtek Semiconductor Corp.
Transfer apparatus and transfer method
An add drop multiplexer (adm) includes a separating unit that extracts, from an odu4 storing therein a plurality of ho-odus each of which stores therein at least one lo-odu, first msi values which correspond to the ho-odus and each of which identifies a different one of the lo-odus for each lo-odu. The adm includes a converting unit that converts the first msi values which correspond to the ho-odus and each of which identifies a different one of the lo-odus, into second msi values which correspond to the odu4 and each of which identifies a different one of the lo-odus.
Receiver unit and correcting a value of a receive signal strength indicator
A receiver unit comprising a mixer, a test signal unit, a multiplexer unit, an amplifier unit, a signal strength unit, and a digital control unit is described. The mixer may be arranged to downconvert a received radio-frequency signal to an intermediate frequency, thereby generating a reception signal having the intermediate frequency.
Freescale Semiconductor, Inc.
Signal amplifiers that support moca communications at both active and passive output ports
Rf signal amplifiers are provided that include an rf input port, a power divider network having a plurality of active output ports, an active path connecting the rf input port to the power divider network, the active path including an upstream diplexer, a downstream diplexer and a power amplifier between the upstream diplexer and the downstream diplexer, a passive output port, a moca diplexer that is coupled to the passive output port, a passive path connecting the rf input port to the moca diplexer and a moca rejection filter between the power divider network and the active path.. .
Commscope, Inc. Of North Carolina
Piezoelectric thin film resonator, filter and duplexer
A piezoelectric thin film resonator includes: a substrate; a piezoelectric film provided on the substrate; a lower electrode and an upper electrode that are opposed to each other to put at least a part of the piezoelectric film therebetween; and an insertion film that is inserted into the piezoelectric film in a resonance region where at least the part of the piezoelectric film is put between the lower electrode and the upper electrode, at least a part of the insertion film corresponding to an outer circumference region in the resonance region being thicker than a part of the insertion film corresponding to a central region in the resonance region.. .
Taiyo Yuden Co., Ltd.
Device and improving reading speed of memory
A memory device includes a plurality of sense amplifiers coupled with an array of memory cells, a plurality of output data lines receiving outputs of corresponding sense amplifiers, and a plurality of precharge circuits configured to apply a precharge voltage on the output data lines. A controller provides control signals to the sense amplifiers and to the precharge circuits, including to cause the precharge circuits to precharge the output data lines before the sense amplifiers drive output data signals to the output data lines.
Macronix International Co., Ltd.
Methods and wireless power field testing
This disclosure provides methods and apparatus for wireless power field testing. An apparatus for sensing magnetic field strength of a wireless charging pad is provided.
Package for an implantable neural stimulation device
An implantable device, including a first electrically non-conductive substrate; a plurality of electrically conductive vias through the first electrically non-conductive substrate; a flip-chip multiplexer circuit attached to the electrically non-conductive substrate using conductive bumps and electrically connected to at least a subset of the plurality of electrically conductive vias; a flip-chip driver circuit attached to the flip-chip multiplexer circuit using conductive bumps; a second electrically non-conductive substrate attached to the flip-chip driver circuit using conductive bumps; discrete passives attached to the second electrically non-conductive substrate; and a cover bonded to the first electrically non-conductive substrate, the cover, the first electrically non-conductive substrate and the electrically conductive vias forming a hermetic package.. .
Second Sight Medical Products, Inc.
Mobile phone and outputting kernel message
A mobile phone and a method for outputting a kernel debugging message are provided. The mobile phone comprises an audio jack, a level converter, an audio chip, a multiplexer and a central process unit (cpu).
Circuits and methods for dfe with reduced area and power consumption
A 1/n-rate decision feedback equalizer (dfe) and method include a plurality of branches. Each branch includes a separate summer circuit configured to add a respective feedback signal to a received input and a latch configured to receive an output of the summer circuit to provide different partial bit sequences based on a clock signal.
International Business Machines Corporation
Signal processing method, apparatus, and system
Embodiments of the present invention disclose a signal processing method, apparatus, and system, where the method includes: receiving a downlink signal that carries an uplink signal; and performing first interference cancellation on the uplink signal by using an estimated self-interference signal, so that a remaining amount of interference of the uplink signal is less than a first interference threshold, thereby minimizing out-of-band interference of the uplink signal on the downlink signal without using a plurality of radio frequency front-ends or without using a duplexer on a same radio frequency front-end. In the embodiments of the present invention, no duplexer is adopted, and therefore, difficulty and a cost of base station and system layout can be reduced, and extra energy consumption of a mobile terminal can also be reduced..
Huawei Technologies Co., Ltd.
Overlapping spectrum in optical communication
An optical add-drop multiplexer including a first filter filtering a first band of wavelengths of a communication spectrum for a first communication and a second filter filtering a second band of wavelengths of the communication spectrum for a second communication. The second band of wavelengths overlaps the first band of wavelengths in an overlap band of wavelengths.
Overlapping spectrum in optical communication
An optical add-drop multiplexer including a first filter filtering a first band of wavelengths of a communication spectrum for a first communication segment and a second filter filtering a second band of wavelengths of the communication spectrum for a second communication segment. The second band of wavelengths overlaps the first band of wavelengths in an overlap band of wavelengths.
Transmitter having integrated design of multiple wireless communication modules
A transmitter includes a first wireless communication module, a second wireless communication module, a multiplexer, a digital-to-analog converter and a filter. The multiplexer selectively outputs a first digital signal derived from a digital output of the first wireless communication module or a second digital signal derived from a digital output of the second wireless communication module as a selected output.
Display device with de-multiplexers having different de-multiplex ratios
A display device comprises a display area, a plurality of data buses located in the display area, a controller, a first de-multiplexer, and a second de-multiplexer. The controller is adapted to provide a first data signal and a second data signal.
Integrated fan-out wafer architecture and test method
A fan-out wafer comprises a first ic die having at least a first boundary scan cell (bsc) and a second bsc. The first bsc is coupled to a first demultiplexer.
Taiwan Semiconductor Manufacturing Co., Ltd.
System and processing data flows
A digital signal processor (300), compatible with the common public radio interface (cpri), permits reading and writing of iq data of antenna carriers which have two different sampling rates by using just two single sample rate dma (direct memory access) modules (306,313). The digital signal processor (300) is capable of processing data of different sampling rates on just one cpri lane comprising one framer (302).
Freescale Semiconductor, Inc.
Coarse data aligner
An alignment circuit is disclosed. In one embodiment, the circuit includes a shift register having a plurality of serially-coupled storage elements each configured to receive a first signal on a respective clock input, wherein a data input of a first one of the serially-coupled storage elements is configured to receive a second signal.
Oracle International Corporation
Active matrix panel, detection apparatus and detection system
An active matrix panel includes a gate line connected to control electrodes of a plurality of transistors; and a drive circuit supplying the gate line with a conducting voltage and a non-conducting voltage. The drive circuit includes a shift register including a plurality of shift register unit circuits connected to each other, and a demultiplexer including a plurality of demultiplexer unit circuits into which output signals of the shift register unit circuits are input.
Canon Kabushiki Kaisha
Distributed passive optical networks
A passive optical network includes one or more multi-service terminals each having a housing and a plurality of ruggedized plug-receiving distribution ports accessible from outside the housing. The multi-service terminals also each include an optical power splitter or wave division multiplexer for splitting an optical signal and directing the split signal to the plug-receiving distribution ports.
Tyco Electronics Corporation
Method and generating a recording index
An apparatus and method for indexing data streams and generating an index file used during trick mode playback makes use of a demultiplexer that receives content formatted as a transport stream including a plurality of transport packets from a source. For each of the plurality of transport packets generates, the demultiplexer generates flag data indicating if the respective transport packet contains key frame data.
High capacity network node
An exemplary technique is provided for a scalable architecture for a network node that allows a very high switching capacity. The network node has a number of packet optical add drop multiplexers (poadms), a number of dual line cards, respectively associated with the poadms, and an optical switch matrix.
Methods and systems of synchronizer selection
A circuit includes a plurality of synchronizers to adapt a signal from a first clock domain to a second clock domain. Each synchronizer of the plurality of synchronizers includes a synchronizer input to receive the signal from the first clock domain and a synchronizer output to provide the signal as adapted to the second clock domain.
Advanced Micro Devices, Inc.
Coolerless fiber light source devices for harsh environments
A robust broadband ase (amplified spontaneous emission) fiber light source device outputs a light beam which is little affected by temperature and radiation. The light source device is a single-pass backward or double-pass backward architecture, and has a coolerless pump laser and temperature compensated bandpass reflector.
National Applied Research Laboratories
Front end circuit
A front end circuit includes a transmission signal filter for allowing a transmission signal to pass, a reception signal filter for allowing a reception signal to pass and a circulator (an antenna duplexer), and a transmission output variable circuit is connected between a transmission signal terminal of the circulator and the transmission signal filter. The transmission output variable circuit includes a first high frequency switch, a second high frequency switch, and a buffer circuit, and attenuation is switched by switching of the first high frequency switch and the second high frequency switch..
Murata Manufacturing Co., Ltd.
Configurable flip-flop circuit
A configurable flip-flop circuit has modifiable connections between its circuit elements that allow it to be modified for primary and secondary uses. For example, the flip-flop circuit can be modified to provide secondary functions of nor and nand gates during an implementation of an eco.
Apparatus for a monotonic delay line, fast locking of a digital dll with clock stop/start tolerance, robust clock edge placement, and clock offset tuning
A delay line has at least four delay stages coupled together in a series, two multiplexers, and a phase interpolator. The first multiplexer has a first input coupled to an output of the first delay stage, and a second input coupled to an output of the third delay stage.
Elastic wave filter device and duplexer
In an elastic wave filter device, a package substrate is provided with an elastic wave filter chip defining a ladder circuit including a plurality of series arm resonators and a plurality of parallel arm resonators, and a first inductance connected in parallel with at least one of the series arm resonators and a second inductance connected between at least one of the parallel arm resonators and a ground potential. The first inductance and the second inductance provided in the package substrate, and the first inductance is magnetically coupled to the second inductance to shift a frequency position of an attenuation pole..
Murata Manufacturing Co., Ltd.
Multiplexer having ase suppression
Consistent with the present disclosure, optical filters are provided in a reconfigurable optical add-drop multiplexer (roadm). In one example, groups of optical signals are amplified by corresponding erbium-doped fiber amplifiers (edfas) and supplied to each optical filter, which has a passband that includes the wavelengths associated with the received optical signal group.