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Coded data generation or conversion August inventions list 08/12

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
08/30/2012 > 8 patent applications in 8 patent subcategories. inventions list

20120218130 - Indexing compressed data: A method to at least one of compress and decompress data includes providing a string (T) consisting of multiple given substrings. Identification symbols ($,$1,$2,$3) are assigned to the substrings of the string (T). The substrings of the string (T) are transferred by permutation into a permuted string (O(T),O*(T)). The permuted... Agent: Universitaet Paderborn

20120218131 - Methods for arithmetic coding and decoding: m

20120218132 - Integrated circuits, liquid crystal display (lcd) drivers, and systems: An integrated circuit includes a digital-to-analog converter (DAC) circuit including at least one first channel type DAC and at least one second channel type DAC. The integrated circuit includes a plurality of sample and hold (S/H) circuits. Each of the S/H circuits is coupled with the DAC circuit. The S/H... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20120218133 - High speed, high voltage multiplexer: A method for digitizing at least a portion of a selected analog input signal of a plurality of analog input signals by using a multiplexer having a plurality of channels is provided. Each channel for the multiplexer is associated with at least one of the analog input signals and is... Agent: Texas Instruments Incorporated

20120218134 - Method for use in a sigma-delta analog to digital converter, sigma-delta analog to digital converters and systems comprising a sigma-delta analog to digital converter: Some embodiments relate to a method for use in a sigma-delta analog to digital converter, sigma-delta analog to digital converters and systems comprising sigma-delta analog to digital converters. In accordance with an aspect of the invention, there is provided a method for use in a sigma-delta analog to digital converter... Agent: Infineon Technologies Ag

20120218135 - 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:

20120218136 - Analog to digital converter: An ADC includes an analog signal input port for receiving analog signals, a reference voltage generation circuit for producing a reference voltage, a controllable switch, a control unit including a counter, an integral circuit, and a comparison circuit. The control unit outputs an on or off signal to turn on... Agent: Fu Tai Hua Industry (shenzhen) Co., Ltd.

20120218137 - Low-power area-efficient sar adc using dual capacitor arrays: An analog to digital converter that comprises a successive approximation register (SAR) having an n bit binary output, a first capacitor array connected to receive some of the bits of the binary output, a second capacitor array connected to receive the remaining bits of the binary output, and a comparator... Agent: The Regents Of The University Of Michigan

08/23/2012 > 9 patent applications in 7 patent subcategories. inventions list

20120212354 - Uniform keyboard illumination: An input device includes an array of keys and an illumination system. Each key comprises a key face that is configured for transmission of light. The illumination system includes a light guide disposed below the keys, a plurality of lamps mounted to the light guide, and a lamp controller electrically... Agent:

20120212355 - Encoding for nuclear medical imaging block detectors: Signals generated by radiation sensors can be encoded to reduce the number of cables needed to transport information from a nuclear imaging apparatus to a processor for reconstruction. For example, signals from 16 radiation sensors can be encoded into three signals: T (top), L (left), and E (energy). This method... Agent: Siemens Medical Solutions Usa, Inc.

20120212357 - D/a conversion circuit, a/d conversion circuit and electronic apparatus: A D/A conversion circuit includes a first D/A converting section which is connected with an output node, a first serial capacitor which is disposed between the output node and a first node, a second D/A converting section which is connected with the first node, and a control circuit. The first... Agent: Seiko Epson Corporation

20120212356 - Tracking analog-to-digital converter (adc) with a self-controlled variable clock: A tracking analog-to-digital converter “ADC” with a self-controlled variable clock comprises: a digital register; a digital-to-analog converter “DAC” coupled to said digital register providing an analog feedback signal; a comparator coupled to an analog input signal and said analog feedback signal and providing a comparison signal based on a comparison... Agent: Dialog Semiconductor Gmbh

20120212358 - Pipelined adc inter-stage error calibration: An analog-to-digital converter (ADC) is provided. The ADC includes a plurality of pipelined ADCs and an adjustment circuit. Each pipelined ADC is adapted to receive an analog input signal, has an adjustable transfer function, and includes a compensator. The adjustment circuit is coupled to each pipelined ADC to be able... Agent: Texas Instruments Incorporated

20120212359 - Adc calibration apparatus: An analog-to-digital (ADC) calibration apparatus comprises a calibration buffer, a comparator and a digital calibration block. Each reference voltage is sent to a track-and-hold amplifier as well as the calibration buffer. The comparator compares the output from the track-and-hold amplifier and the output from the calibration buffer and generates a... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20120212360 - Photonic assisted analog-to-digital conversion using phase detection: A method of digitizing an analog electrical signal combines optical and electronic techniques in order to improve the resolution, sampling rate, input frequency range, or flexibility. It implements an optical interferometric modulator, which modulates an input optical signal by the input electrical signal combined with a calibration signal. A set... Agent: Nucrypt LLC

20120212361 - Switched-capacitor circuit with low signal degradation: A switched-capacitor circuit is disclosed. The switched-capacitor circuit includes a comparator having a first and second input, a first and second sampling capacitor, and a first and second switching circuitry. The first switching circuitry charges the first and second sampling capacitor with an input signal. The second switching circuitry selectively... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20120212362 - Semiconductor integrated circuit device: The semiconductor integrated circuit device includes a T-type switch circuit TS[k] that is between an input port A[k] and an input terminal Ain of an analog/digital conversion circuit and that includes first, second, and third PMOS transistors MP1, MP2, and MPc, and first, second, and third NMOS transistors MN1, MN2,... Agent: Renesas Electronics Corporation

08/16/2012 > 9 patent applications in 7 patent subcategories. inventions list

20120206279 - Detecting whether an arbitrary-length bit string input matches one of a plurality of known arbitrary-length bit strings using a hierarchical data structure: Generating and using a high-speed, scalable, and easily updateable data structure are described. The proposed data structure provides minimal perfect hashing functionality while intrinsically supporting low-cost set-membership queries. In other words, in some embodiments, it provides at most one match candidate in a set of known arbitrary-length bit strings that... Agent:

20120206280 - Multiple word data bus inversion: A data encoding scheme for transmission of data from one circuit to another circuit considers the Hamming Weight of combined multiple words to determine whether to invert or not invert an individual word to be transmitted. The multi-word data encoding scheme performs DBI encoding with data inversion conducted based on... Agent: Rambus Inc.

20120206281 - Self-healing analog-to-digital converters with background calibration: Calibration of an analog-to-digital converter (ADC) is accomplished via a reference comparator, a first and second multiplexer (MUX), and a finite state machine (FSM). By sampling an analog input with the reference comparator and comparing the results with those of the ADC using the FSM, all the comparators in the... Agent: University Of Florida Research Foundation, Inc.

20120206282 - Test circuits and methods for redundant electronic systems: A redundant analog-to-digital conversion system can include at least one input multiplexer, first and second redundant analog-to-digital converters, a comparison circuit and an output multiplexer. The at least one input multiplexer can receive a plurality of analog input signals and output at lest one multiplexed analog input signal. The first... Agent: Analog Devices, Inc.

20120206283 - Minimum differential non-linearity trim dac: A trim DAC wherein the digital input bits to the trim DAC are controlled by a state machine to produce an analog output that is within a least significant bit of the digital input bits. An undersize factor between digital input bits is used to assist in finding a trim... Agent: Dialog Semiconductor Gmbh

20120206284 - Interpolating digital-to-analog converter with separate bias current source for each differential input transistor pair: The most significant portion of a digital word may be converted into a high and a low analog voltage representative, respectively, of the highest and lowest possible values which a digital word could have with the most significant portion. An analog output may be produced by interpolating between the high... Agent: Linear Technology Corporation

20120206286 - Adc with enhanced and/or adjustable accuracy: An analog-to-digital-converter includes an input signal connector, an output signal port, two or more sub-ADCs, and a digital signal processing block. The result from each sub-ADC is used by the digital signal processing block to output data with increased performance.... Agent: Arctic Silicon Devices As

20120206285 - Half-bandwidth based quadrature analog-to-digital converter: A half-bandwidth based quadrature analog-to-digital converter (ADC), which includes in-phase circuitry, quadrature-phase circuitry, and digital complex processing circuitry is disclosed. The in-phase circuitry includes an in-phase pair of ADCs, which provide an in-phase pair of sub-quadrature output signals, based on an analog in-phase input signal. Similarly, the quadrature-phase circuitry includes... Agent: Rf Micro Devices, Inc.

20120206287 - Analog-to-digital converter: An analog-to-digital converter includes an input terminal, a first comparator, a first output terminal, a second comparator, and a second output terminal. The first comparator generates a first logical signal and a control signal by comparing an input signal received by the input terminal with a first reference signal. A... Agent:

08/09/2012 > 9 patent applications in 8 patent subcategories. inventions list

20120200435 - Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table: A system and method for performing sample rate conversion and creating fractional delays to a signal is disclosed. The system comprises a filter, a look up table for storing coefficients for sample rate conversion and fractional delays, and control circuitry configured to use an indexing scheme to select one or... Agent: Rf Micro Devices, Inc.

20120200436 - Method for power reduction in data serialization/de-serialization using data pre-load scheme: A method is provided for saving power in 1:N serializer and N:1 de-serializer by pre-loading the state of shift registers. Pre-loading the last stage of N shift registers with the last parallel data bit value in the multiplexor minimizes state changes in shift registers in the serializer. Pre-loading the 1st... Agent:

20120200437 - Delta-sigma modulator and signal processing system: Disclosed herein is a delta-sigma modulator including: a plurality of integrators configured to be connected in cascade to the input of an analog signal; a quantifier configured to quantify an output signal from the final-stage integrator among the plurality of integrators so as to output a digital signal; a zero-order... Agent: Sony Corporation

20120200438 - Signal processing circuit: A signal processing circuit includes a production part configured to produce a first analog signal, an A/D conversion part configured to convert the first analog signal output from the production part to a first digital signal, a processing part configured to process the first digital signal output from the A/D... Agent: Kabushiki Kaisha Tokai Rika Denki Seisakusho

20120200439 - Laser based frequency standards and their applications: Frequency standards based on mode-locked fiber lasers, fiber amplifiers and fiber-based ultra-broad bandwidth light sources, and applications of the same.... Agent: Imra America, Inc.

20120200440 - A/d converter and semiconductor device: An A/D converter and a semiconductor device simple in configuration are provided which can keep a constant noise shaping characteristic without depending on manufacturing variations or a temperature change. A semiconductor device includes a delta-sigma modulator, an input changeover switch, and a control logic circuit. The delta-sigma modulator can change... Agent: Renesas Electronics Corporation

20120200441 - Output circuit, and data driver and display devices using the same: An output circuit includes a connection switch and an operation unit. The connection switch receives first and second voltages from first and second terminals, respectively, selects and outputs the first voltage or the second voltage for first to third intermediate terminals, including selection of the same voltage and switches assignment... Agent: Renesas Electronics Corporation

20120200442 - Precision sub-radix2 dac with linearity calibration: A system includes an N bit sub-binary radix digital-to-analog converter (DAC) that converts an m bit digital input signal to an analog output signal, where m and N are integers greater than or equal to 1 and N>m. A radix conversion module determines a code ratio, the code ratio being... Agent: Maxim Integrated Products, Inc.

20120200443 - Signal processing circuit: A signal processing circuit includes an encoder configured to encode a digital signal inputted thereto and output an encode signal, and a memory electrically connected to a first input terminal and the encoder. The memory is configured to store information based on the encode signal outputted from the encoder therein,... Agent: Kabushiki Kaisha Tokai Rika Denki Seisakusho

08/02/2012 > 16 patent applications in 7 patent subcategories. inventions list

20120194360 - Method for sending a keycode of a non-keyboard apparatus: A method for sending a keycode of a non-keyboard apparatus is provided and includes the following steps. The non-keyboard apparatus determines the connection status between itself and a computer by the time required for device enumeration. Then, according to a value generated from device enumeration, the non-keyboard apparatus identifies the... Agent:

20120194361 - Data compression using a stream selector with edit-in-place capability for compressed data: A method for encoding an input file into an output file that is compressed so that the number of bits required to represent the output file is less than the number of bits of the input file. The encoding method includes the parsing of the input file into a series... Agent: Windspring, Inc.

20120194362 - Data feed acceleration: The transmission of broadcast data, such as financial data and news feeds, is accelerated over a communication channel using data compression and decompression to provide secure transmission and transparent multiplication of communication bandwidth, as well as reduce the latency. Broadcast data may include packets having fields. Encoders associated with particular... Agent: Realtime Data, LLC

20120194363 - Methods and devices for load balancing in parallel entropy coding and decoding: Devices and methods for entropy decoding a bitstream of encoded data by extracting a plurality of encoded subsequences from a payload field of the bitstream for parallel decoding on a set of parallel entropy decoders. The method includes dividing the payload of concatenated encoded subsequences into segments using a distribution... Agent: Research In Motion Limited

20120194364 - Analog-to-digital converting system: A novel analog-to-digital converter (ADC) system using a two-step conversion is disclosed. The ADC system is capable of achieving high sampling rate, low power consumption and low complexity. The new proposed ADC is formed by cascading a flash ADC having high sampling rate and low resolution with a successive approximation... Agent: University Of Macau

20120194365 - Delta-sigma modulator and signal processing system: A ΔΣ0 modulator includes: a plurality of integrators cascaded to an input of an analog signal; a quantizer for quantizing an output signal of the integrator at a last stage and outputting a resultant digital signal; a DA converter for feedback for converting the digital signal obtained by the quantizer... Agent: Sony Corporation

20120194366 - Multi-bit digital to analogue converter and a delta-sigma analogue to digital converter: The present invention relates to a multi-bit digital to analogue converter (DAC) and to a delta-sigma analogue to digital converter employing such a DAC. The DAC has a multi-bit input, a plurality of elements for processing an input signal received at the input and a selector for selecting, based on... Agent: Cambridge Silicon Radio Limited

20120194367 - Continuous ramp generator design and its calibration for cmos image sensors using single-ramp adcs: Aspects of the invention provide a continuous ramp generator design and its calibration for CMOS image sensors using single-ramp ADCs. An embodiment of the invention comprises controlling a coarse gain, integer gain, and fine gain of the analog-to-digital converter. Gain of the analog-to-digital converter may be calibrated by tuning the... Agent: Hynix Semiconductor Inc.

20120194368 - Method and system for calibrating column parallel adcs: Various embodiments of the invention include enabling, during a calibration phase, a counter to count one less than a number of clock periods associated with a determined offset. The counted number of the clock periods is stored in calibration memory. In a conversion phase, inverted outputs are loaded from the... Agent: Hynix Semiconductor Inc.

20120194369 - Ring oscillator delta sigma adc modulator with replica path nonlinearity calibration: An embodiment provides a continuous-time delta-sigma modulator for analog-to-digital conversion. The modulator includes a signal path generating including a ring voltage controlled oscillator driven by an analog input signal. The signal path produces digital values by sampling the ring voltage controlled oscillator. A calibration circuit measures nonlinear distortion coefficients in... Agent: The Regents Of The University Of California

20120194371 - Analog-to-digital conversion apparatus and signal processing system: An AD conversion apparatus includes: a first AD converter for converting an input analog signal into a first digital signal; a second AD converter for converting an analog signal obtained as a result of multiplying the input analog signal by a coefficient α into a second digital signal; a first... Agent: Sony Corporation

20120194372 - Analog-to-digital converter for biomedical signals: Certain aspects of the present disclosure relate to a technique for producing a difference value by offsetting a current value of an analog signal with a stored previous value of the analog signal, and generating a digital representation of the difference value. Digital representations obtained by this technique may be... Agent: Qualcomm Incorporated

20120194370 - Sigma-delta converter system and method: A sigma-delta converter may include a filter coupled to a first summation circuit and a second summation circuit. A multi bit quantizer may be coupled to the second summation circuit. A single bit digital-to-analog converter (DAC) may be included that defines a feedback path between the multi-bit quantizer and the... Agent: Intersil Americas Inc.

20120194373 - Device and method for driving digital-to-analog converter: A device for driving a switch in a digital-to-analog converter (DAC) includes first and second latches, and a logic gate. The first latch is configured to store a digital input data signal according to a clock signal, and to output a first latch signal corresponding to the stored digital input... Agent: Agilent Technologies, Inc.

20120194374 - Digital to analog converter: N upper-side resistors and N lower-side resistors are severally associated with respective bits of a digital input code. Each resistance value is weighted in an essentially binary manner according to the corresponding bit. N upper-side switches are each arranged in parallel with a corresponding upper-side resistor, and each is configured... Agent: Advantest Corporation

20120194375 - Analog signal conversion: An approach to converting an analog value based on a partition of an input range produces probabilities that the input is found within each of the regions based, for example, on a noisy version of the input. In some examples, iterative and/or pipelined application of comparison circuitry is used to... Agent: Lyric Semiconductor, Inc.

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