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Coded data generation or conversion

20130120167 - Systems and methods for memory efficient data decoding: Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes a data decoder circuit. The data decoder circuit is operable to: apply a decoding algorithm to a decoder input on a first decoder iteration to yield a... Agent: Lsi Corporation

20130120168 - Systems and methods for load balancing and virtual private networking for sms center: The present disclosure is directed towards systems and methods for compressing messages, such as Short Message Service (SMS) or text messages between fixed or mobile devices through communications networks. The data of, for example, SMS messages is compressed and forwarded through a communication network to an appliance having a processing... Agent:

20130120169 - Systems and methods for reduced power multi-layer data decoding: Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes a data encoder circuit. The data encoder circuit is operable to apply an encoding algorithm to an input data set in accordance with a multi-layer code structure... Agent: Lsi Corporation

20130120172 - Method and device for reducing inter-channel coupling in interleaved and multi-channel adcs: A method and a corresponding device for reducing inter-channel coupling in a circuit having a plurality of channels includes injecting a randomly determined amount of dither into a first channel of a circuit having a plurality of channels, and after injecting the dither, obtaining an output signal of a second... Agent: Analog Devices, Inc.

20130120170 - Pipelined adc with a vco-based stage: A method for converting an analog signal to a digital signal is provided. Initially, a digital representation of a portion of an analog signal is generated. Residue of the analog signal is then sampled at a sampling instant so as to generate a residue sample. A signal having a frequency... Agent: Texas Instruments Incorporated

20130120173 - Pipelined analog-to-digital converter: An analog-to-digital converter includes a plurality of sequentially cascaded stages, each stage including an amplifier and four copies of a circuit block including a flash and capacitors, in which the four copies of the circuit block operate interleavingly in a respective sample mode, pre-gain mode, gain mode, and reset mode... Agent: Analog Devices, Inc.

20130120171 - Reducing the effect of non-linear kick-back in switched capacitor networks: A method and device involve a circuit having a switched capacitor network that is switchably connected to an input signal. A randomly determined amount of dither is injected into a circuit having a switched capacitor network that is switchably connected to an input signal. After injecting the dither, at least... Agent: Analog Devices, Inc.

20130120175 - Calibrating timing, gain and bandwidth mismatch in interleaved adcs: A method and a corresponding device for calibrating an interleaved analog-to-digital converter (ADC) involve injecting a randomly determined amount of dither into at least one of a flash component and a multiplying digital-to-analog converter (MDAC) in a selected channel in the ADC. A correlation procedure is performed to estimate, based... Agent: Analog Devices, Inc.

20130120174 - Correlation-based background calibration for reducing inter-stage gain error and non-linearity in pipelined analog-to-digital converters: A method and a corresponding device for calibrating a pipelined analog-to-digital converter (ADC) involve injecting a randomly determined amount of dither into one of a flash component and a multiplying digital-to-analog converter (MDAC) in at least one stage in the ADC. For each stage of the at least one stage... Agent: Analog Devices, Inc.

20130120177 - Data converter current sources using thin-oxide core devices: Systems and methods are disclosed for performing data conversion by matching current sources using a thin oxide device; and minimizing voltage stress on the thin oxide device during operation or power down.... Agent:

20130120176 - Resistive digital-to-analog conversion: Examples of resistive digital-to-analog converter (RDAC) circuits are provided herein. RDAC circuits may provide an analog output signal derived from an n-bit digital input signal. In one example, an RDAC circuit may include a plurality of resistive circuit branches. Each resistive circuit branch may be arranged in a pull up/pull... Agent: Semtech Corporation

20130120179 - Sampling: There is disclosed current-mode time-interleaved sampling circuitry configured to be driven by substantially sinusoidal clock signals. Such circuitry may be incorporated in ADC circuitry, for example as integrated circuitry on an IC chip. The disclosed circuitry is capable of calibrating itself without being taken off-line.... Agent: Fujitsu Semiconductor Limited

20130120178 - Semiconductor device and sensor system: A semiconductor device includes an analog front-end unit that performs analog front-end processing of a measurement signal input from a sensor, where circuit configuration and circuit characteristics for performing the analog front-end processing are changeable, and an MCU unit that converts the measurement signal after the analog front-end processing from... Agent: Renesas Electronics Corporation

20130120180 - A/d converter: An A/D converter 101 comprises a first cyclic A/D converter circuit 103 and an A/D converter circuit 105. The A/D converter 101 includes a record circuit 107 for storing conversion results from the A/D converter circuits 103, 105. The record circuit 107 includes an upper-bit record circuit 107a and a... Agent:

20130113638 - Method and apparatus for evaluating weighting of elements of dac and sar adc using the same: A method and an apparatus for evaluating weighting of elements of a DAC and a SAR ADC using the same are provided. An equivalent weighting of each composed element is obtained by adding a reference element with a reference weighting, an auxiliary DAC, and a search circuit into the SAR... Agent: Industrial Technology Research Institute

20130113639 - Systems and methods for randonmizing component mismatch in an adc: Circuits and methods for converting a signal from analog to digital. A random number generator provides a random number to a memory. The memory is preconfigured to include codes of predetermined digital to analog (DAC) configurations that provide the maximum amount of DAC gradient suppression. At least one Flash reference... Agent: Linear Technology Corporation

20130113640 - Digital-to-analog converting device: A digital-to-analog converting device converts an N-bit digital input signal into an analog signal using M reference voltages, where N>3 and M=2(N−2)+1, and includes: a decoding unit operable based on third to Nth bits of the digital input signal and reference voltages to output first and second decoding voltages; and... Agent:

20130113641 - Optical intensity-to-phase converter, mach-zehnder interferometer, optical a/d converter, and method of constructing optical intensity-to-phase converter: An optical intensity-to-phase converter according to the present invention includes first and second waveguides to which a first input light is input, a third waveguide to which a second input light is input, and an interaction region that is provided in common on the second and third waveguides in which... Agent: Nec Corporation

20130113642 - Duty cycle translator methods and apparatus: Methods and apparatus for translating duty cycle information in duty-cycle-modulated signals to higher frequencies or higher data rates. An exemplary duty cycle translator includes a duty cycle evaluator, a high-speed digital counter, and a comparator. The duty cycle evaluator generates a first digital number representing a duty cycle of a... Agent:

20130113643 - Digital-to-analog converter with a shared resistor string: An apparatus is provided that comprises resistors, a first set of switches, and a second set of switches. The resistors are arranged in an array having columns and rows, where the number of resistors is an integer multiple of the number of columns or rows. The resistors are coupled together... Agent: Texas Instruments Incorporated

20130106624 - Encoder without stopping structure: An encoder without a stopping structure comprises a rotating shaft (1), an axis sleeve (2), a stopping base (4), a positioning elastic trip (5), a spacer (6), a partition plate (7), at least one movable arm (8), at least one electric brush (9) and at least one main body (11),... Agent: Dongguan City Changtaier Electron Ltd

20130106625 - Data encoding and decoding apparatus and method for communicating between robot softwares: A data encoding apparatus for communicating between robot softwares includes a meta structure converter factory configured to allow one or more meta structure converters generated based on an information file, and if a type of user data for encoding is a structure or a structure array, select a meta structure... Agent: Electronics And Telecommunications Research Institute

20130106626 - Encoding method, decoding method, encoding device, decoding device, program, and recording medium: A plurality of samples are vector-quantized to obtain a vector quantization index and quantized values; bits are assigned in a predetermined order of priority based on auditory perceptual characteristics to one or more sets of sample positions among a plurality of sets of sample positions, each set having a plurality... Agent: Nippon Telegraph And Telephone Corporation

20130106627 - Compressing data using an encoding table: A method for compressing a data stream includes transforming a data stream into a transformed data stream of referencing symbols and other data elements, the referencing symbols representing a data sequence identical to a data sequence in a reference data block; and encoding the referencing symbols by replacing them with... Agent: International Business Machines Corporation

20130106628 - Digital error correction in an analog-to-digital converter: An analog-to-digital converter (ADC) function in which digital error correction is provided. Parallel ADC stages are synchronously clocked to convert an analog input signal into digital words; at least one of the digital outputs is encoded according to an error correction code. Decision logic circuitry decodes a code word comprised... Agent: Texas Instruments Incorporated

20130106629 - Multi-bit successive approximation adc: Examples are provided for converting an analog signal to a digital signal by processing more than one bit per cycle in a number of successive approximation cycles. A system may include capacitive sub-DAC circuits and comparators. Switches may isolate the capacitive sub-DAC circuits during one or more first cycles, and... Agent: Semtech Corporation

20130106630 - Successive approximation analog-to-digital conversion: Examples of systems and methods are provided for converting an analog input signal to a digital output signal. A system may include a current mode (CM) digital-to-analog converter (DAC) circuit to provide a DAC current. A comparator circuit may be configured to generate a comparator signal in response to an... Agent: Semtech Corporation

20130106632 - Calibration of interleaved adc: The disclosure is directed to an interleaved analog-to-digital converter having: first, second and third sub-converters; a control block configured to control the first sub-converter to sample a test signal and the second sub-converter to sample an input signal during a first sampling period, and to control the second sub-converter to... Agent: Stmicroelectronics (grenoble 2) Sas

20130106631 - Interleaved adc calibration: The present disclosure includes calibration circuitry for adjusting the bandwidth of at least one sub-converter of an interleaved analog to digital converter (ADC), the at least one sub-converter having an input switch coupled to an input line of the ADC, the calibration circuitry having a control circuit adapted to adjust... Agent: Stmicroelectronics (grenoble 2) Sas

20130106633 - Noise-shaping time to digital converter (tdc) using delta-sigma modulation method: The present invention relates to a time digital converter, and more particularly, to a noise-shaping time to digital converter (TDC) that has a 1-bit output and uses a delta-sigma modulation method. The noise-shaping time to digital converter (TDC) that has the 1-bit output and uses the delta-sigma modulation method in... Agent: Postech Academy-industry Foundation

20130106636 - Digital-to-analog converter, analog-to-digital converter, and semiconductor device: A DA conversion device includes the following elements. A higher-bit current source cell portion includes uniformly weighted higher-bit current source cells to generate an identical constant current. A lower-bit current source cell portion includes a lower-bit current source cells that are weighted to generate 1/two-to-the-power-of-certain-numbers constant currents. A constant current... Agent: Sony Corporation

20130106634 - Nfc transceiver: Exemplary embodiments are directed to near field communication A device may include a current digital-to-analog converter (DAC) configured to convey a current to an antenna in a first near-field communication (NFC) mode and enable for load modulation in a second NFC mode.... Agent: Qualcomm Incorporated

20130106635 - Volume adjusting circuit and volume adjusting method: A volume adjusting circuit which converts a digital audio signal to an analog signal by a D/A converter and outputs the analog signal is disclosed, including a first gain variable circuit unit which controls a gain of the digital audio signal; a second gain variable circuit unit which controls a... Agent:

20130106637 - Oversampled data processing circuit with multiple detectors: Various embodiments of the present invention provide apparatuses and methods for processing data in an oversampled data processing circuit with multiple detectors. For example, an apparatus for processing data is disclosed that includes a first analog to digital converter operable to sample a continuous signal at a first sampling phase... Agent: Lsi Corporation

20130106638 - Scalable successive-approximation-register analog-to-digital converter: A system including a clock generator configured to generate a clock; a plurality of analog-to-digital converters each configured to convert a signal based on the clock, and to output a first number of bits in response to converting the signal based on the clock; and an averaging module configured to... Agent: Marvell International Ltd.

20130099945 - Wireless input device and key-shaped receiver thereof: A wireless input device includes a top housing and a receiver. The top housing has an accommodating slot concavely formed thereon. The receiver has a receiving circuit module and an electrical connector arranged beneath the receiving circuit module. The electrical connector is detachably arranged in the accommodating slot. A key-shaped... Agent: Silitek Electronic (guangzhou) Co., Ltd.

20130099946 - Data compression utilizing variable and limited length codes: According to one embodiment, an apparatus for decoding encoded data comprises a hardware module including circuitry to process a data stream. The data stream includes one or more encoded symbols each including a code assigned to a corresponding symbol. A set of least frequently occurring symbols are assigned a common... Agent: International Business Machines Corporation

20130099947 - Data compression utilizing variable and limited length codes: According to one embodiment, method for decoding encoded data comprises a hardware module including circuitry to process a data stream. The data stream includes one or more encoded symbols each including a code assigned to a corresponding symbol. A set of least frequently occurring symbols are assigned a common code... Agent: International Business Machines Corporation

20130099948 - Sampling: There is disclosed current-mode time-interleaved sampling circuitry configured to be driven by substantially sinusoidal clock signals. Such circuitry may be incorporated in ADC circuitry, for example as integrated circuitry on an IC chip. The disclosed circuitry is capable of calibrating itself without being taken off-line.... Agent: Fujitsu Semiconductor Limited

20130099949 - Delta-sigma modulator with feedback signal modification: A delta-sigma modulator (1) for converting a delta-sigma modulator input signal into a sequence of delta-sigma modulator output values comprising an actual delta-sigma modulator output value and at least one preceding delta-sigma modulator output value preceding the actual delta-sigma modulator output value is presented. At least one feedback signal modifier... Agent:

20130099950 - Transmission circuit, ultrasonic probe and ultrasonic image display apparatus: A transmission circuit for use with an ultrasonic probe including an ultrasonic transducer is provided. The transmission circuit includes a high voltage current DAC configured to output a drive current of an ultrasonic transducer to transmit and receive ultrasound, and a waveform generator configured to output a control signal from... Agent:

20130099951 - Digital to analog converter (dac): A DAC for converting a sequence of digital words into a corresponding analog signal. The DAC includes: a thermometer code generator fed by the sequence of digital words for providing N parallel outputs, each one of the outputs having one of two discrete levels; and an amplifier section having a... Agent: Raytheon Company

20130099952 - Analog-digital conversion system comprising a double automatic gain control loop: An analog-digital conversion system comprising at least one variable gain amplifier amplifying an input signal e, an analog-digital converter CAN digitizing said signal e, an interference-suppressing digital processing module, processing the digitized signal, also comprises a first automatic gain control AGC loop, called the analog AGC loop, that compares an... Agent: Thales

20130099953 - Successive-approximation-register analog-to-digital convertor and related controlling method: A method of controlling a successive-comparing-register analog-to-digital convertor (SAR ADC) is provided. Based upon the method, the SAR ADC receives a conversion clock that controls a conversion rate of the SAR ADC.... Agent:

20130099954 - Virtual universal remote control: A method for providing a virtual, universal remote control feature includes displaying a virtual remote interface for an electronic device. A user interaction with an element of the virtual remote interface is detected. The virtual remote interface element is mapped to a device-function code. The device-function code is provided to... Agent: At&t Intellectual Property I, L.p.

20130099955 - Signal quantization method and apparatus and sensor based thereon: A signal quantizer includes a summing junction, a loop filter, a quantizer and a reconstruction filter. The summing junction is responsive to an input signal and to a modulated signal and is operative to combine the modulated signal and the input signal to generate a summing junction output. The loop... Agent: Invensense, Inc.