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Coded data generation or conversion

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.
  
07/10/2014 > 6 patent applications in 6 patent subcategories.

20140191887 - Mtr and rll code design and encoder and decoder: An array f(n) is received for n=1, . . . , N where N is a length of a codeword. An array g(n) is received for n=1, . . . , N where N is a length of a codeword. Input data is encoded to satisfy an MTR constraint and... Agent: Sk Hynix Memory Solutions Inc.

20140191888 - Estimator for estimating a probability distribution of a quantization index: The invention relates to an estimator for estimating a probability distribution of a quantization index generated from a source coder encoding a source signal, into a sequence of quantization indices, the source signal being described by a signal model, the source coder providing a current quantization index and current side... Agent: Huawei Technologies Co., Ltd.

20140191889 - Analog-digital conversion circuit and method: An analog-digital conversion circuit includes a comparator that receives an analog input signal. A controller generates an N1-bit first signal and an N2B-bit second signal in accordance with an output signal from the comparator. A first digital-analog converter generates a first reference signal from the first signal. A second digital-analog... Agent: Fujitsu Semiconductor Limited

20140191890 - Apparatus, systems and methods for for digital testing of adc/dac combination: A circuit for testing digital-to-analog (DAC) and analog-to-digital converters (ADC) is provided. The circuit applies a code pattern having a plurality of sequential values to the digital to analog converter. A plurality of built-in test switches (BTS) couple at least one tap voltage from the DAC to a test bus... Agent:

20140191891 - Analogue-to-digital converter: An integrated-circuit, continuous-time, sigma-delta analogue-to-digital converter has a single-ended analogue input, a converter reference input, and a ground connection. The converter has a resistor-capacitor integrator arranged to receive the single-ended analogue input. The integrator comprises a differential amplifier. The converter also has a clocked comparator connected to an output from... Agent: Nordic Semiconductor Asa

20140191892 - Digital analog converter: Embodiments of a digital-to-analog conversion system that utilizes a specialized clock signal to reshape an analog impulse response of a digital-to-analog converter (DAC) are disclosed. Preferably, a shape of the specialized clock signal is such that Nyquist images resulting from digital-to-analog conversion are controlled in a desired manner. In one... Agent: Telefonaktiebolaget L M Ericsson (publ)

  
07/03/2014 > 7 patent applications in 6 patent subcategories.

20140184430 - Hierarchical entropy encoding and decoding: A particular implementation receives geometry data of a 3D mesh, and represents the geometry data with an octree. The particular implementation partitions the octree into three parts, wherein the symbols corresponding to the middle part of the octree are hierarchical entropy encoded. To partition the octree into three parts, different... Agent: Thomson Licensing

20140184431 - Methods for simplified mmi vq based harq buffer reduction for lte: Methods of simplified MMI VQ based HARQ buffer reduction are disclosed. In one embodiment of the invention, the VQ obtains distribution information from source data based on a predefined codebook subset design. The subset design is predefined. Source data is trained within its corresponding subset to generate codebook. In one... Agent: Mediatek Singapore Pte Ltd.

20140184432 - Analog to digital converter and method for evaluating capacitor weighting of digital-to-analog converter thereof: A method for evaluating capacitor weighting of an analog-to-digital (ADC) is provided. An equivalent weighting value of each composed capacitor in each sub-capacitor-array may be obtained by adding the switch device to the ADC which enables each sub-capacitor-array in a digital-to-analog (DAC) to be measured by each other. The ADC... Agent: Industrial Technology Research Institute

20140184433 - Delta-sigma modulation apparatus and dynamic element-matching circuit thereof: A delta-sigma modulation apparatus and a dynamic element-matching circuit thereof are disclosed. The dynamic element-matching circuit includes a data aligner, a logic operation circuit, and a delayer. The data aligner receives an input matching data and a pointer signal and shifts the input matching data according to the pointer signal... Agent: Quadlink Technology, Inc.

20140184434 - Analog/digital converter: An analog/digital converter includes: a first analog/digital conversion unit that performs digital conversion on received first analog input voltage in a first time period; a second analog/digital conversion unit that performs digital conversion on received second analog input voltage in a second time period that is different from the first... Agent: Fujitsu Limited

20140184436 - Apparatus and methods for converting analog signal to n-bit digital data: An apparatus includes a sample holding circuit, a comparator, a digital-to-analog converter, a clock generator, a successive approximation logic circuit, and a background calibration circuit. The apparatus converts an analog signal into digital data based on an asynchronous clock signal. The clock signal follows the number of clocks in a... Agent: Samsung Electronics Co., Ltd.

20140184435 - Successive approximation register analog-to-digital converter with multiple capacitive sampling circuits and method: A circuit includes a comparator including a first input, a second input, and an output. The circuit further includes a plurality of capacitive sampling circuits configured to be selectively coupled to the first and second inputs. Each of the plurality of capacitive sampling circuits includes first and second capacitors, and... Agent:

  
06/26/2014 > 9 patent applications in 8 patent subcategories.

20140176351 - Multiple predictions in a reduced keyboard disambiguating system: A computer receives user entry of a sequence of keypresses, representing an intended series of letters collectively spelling-out some or all of a desired textual object. Resolution of the intended series of letters and the desired textual object is ambiguous, however, because some or all of the key presses individually... Agent: Nuance Communications, Inc.

20140176352 - Computer keyboard key scan shared matrix with an individual led per key: Systems, devices, and methods for a shared matrix of shared row pins and/or column pins between a first array of keys and a second array of lights of a keyboard. A keyboard controller addresses the first array of keys and the second array of lights during a scanning period using... Agent: Apple Inc.

20140176353 - Compression format for high bandwidth dictionary compression: Method, apparatus, and systems employing dictionary-based high-bandwidth lossless compression. A pair of dictionaries having entries that are synchronized and encoded to support compression and decompression operations are implemented via logic at a compressor and decompressor. The compressor/decompressor logic operatives in a cooperative manner, including implementing the same dictionary update schemes,... Agent:

20140176354 - Sampling circuit for adc: A sampling circuit for ADC includes an external input terminal, a sampling circuit and an auxiliary circuit which are connected with the external input terminal, a clock circuit and an external output terminal which are connected with the sampling circuit, and a clock feedthrough circuit connected with the auxiliary circuit,... Agent: Ipgoal Microelectronics (sichuan) Co., Ltd.

20140176355 - Method of dynamic element matching and an apparatus thereof: A method to reduce the integral non-linearity (INL) of a digital-to-analog converter (DAC) and a DAC implementing said method are disclosed. The method in this invention is a pseudo dynamic element matching (PDEM) method. Compared with a prior art, the method of this invention provides a better performance in glitch.... Agent: Global Unichip Corp.

20140176356 - Apparatus and methods for voltage comparison: Apparatus and methods for voltage comparison are provided. In one embodiment, a comparator includes a first input transistor having a gate configured to receive a first input voltage and a second input transistor having a gate configured to receive a second input voltage. The first and second input transistors can... Agent: Analog Devices, Inc

20140176357 - Arrangement for reading out an analog voltage signal: An arrangement for reading out an analog voltage signal includes a voltage signal input for applying the analog voltage signal thereto, a reference unit configured to generate an analog reference voltage, and a converting unit configured to convert an analog input signal into a digital output signal. To enable online... Agent: Abb Technology Ag

20140176358 - Method of producing low-power switched-capacitor amplifier, circuit and a pipeline analog-to-digital converter including the same: A switched-capacitor amplifier comprises an operational amplifier (op-amp), a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a plurality of switches connected to these capacitors. The first capacitor equals the third capacitor, the second capacitor equals the fourth capacitor, and the first capacitor is asymmetric to... Agent: Greenvity Communications, Inc.

20140176359 - Reference charge cancellation for analog-to-digital converters: An analog-to-digital converter (ADC) includes reference charge cancellation features to at least partially offset a voltage distortion on a bypass capacitor of a reference buffer due to a voltage reference hit taken by a switched capacitor bank with which the bypass capacitor is connected. The charge cancellation may be configured... Agent: Broadcom Corporation

  
06/19/2014 > 14 patent applications in 8 patent subcategories.

20140167987 - Systems and methods for data compression and parallel, pipelined decompression: A method of data compression includes obtaining a data set comprising a sequence of data blocks comprising a predetermined number of data items, partitioning said data set into one or more groups each comprising a predetermined number of data blocks, and performing data compression on one or more groups of... Agent: Maxeler Technologies Ltd.

20140167988 - Digital-to-analog converter (dac) circuit and weight error estimation/calibration method thereof: The present invention discloses a DAC circuit and a weight error estimation/calibration method thereof. In the method, an output switching circuit dynamically selects several conversion cells (at least containing know weight conversion cells (KWCC)) as a reference conversion cell group (RCCG) from all conversion cells, and dynamically selects at least... Agent: National Chiao Tung University

20140167990 - Accurate and cost efficient linear hall sensor with digital output: One embodiment of the present invention relates to a magnetic sensor circuit having a magnetic field sensor device configured to generate a digital signal proportional to an applied magnetic field. An analog-to-digital converter converts the analog signal to a digital signal that is provided to a digital signal processing unit,... Agent: Infineon Technologies Ag

20140167989 - Calibration of interleaving errors in a multi-lane analog-to-digital converter: A multi-lane analog-to-digital converter (ADC) is disclosed that is capable of compensating for one or more of its impairments such that its digital output accurately represents its analog input. The multi-lane ADC can compensate for unwanted phase offsets between multiple phases of a sampling clock used by the multi-lane ADC,... Agent: Broadcom Corporation

20140167995 - Analog-to-digital converter: According to embodiments of the present invention, an analog-to-digital converter is provided. The analog-to-digital converter includes an input configured to receive an input signal, a feed-forward path connected to the input configured to feed forward the input signal, a processing path including a loop filter, wherein the loop filter includes... Agent: Agency For Science, Technology And Research

20140167992 - Capacitive element, capacitor array, and a/d converter: A capacitive element includes first electrodes and second electrodes that are alternately arranged in a concentric form. Each of the first electrodes and the second electrodes is formed with closed loop form, in at least one wiring layer provided on or above a substrate.... Agent: Fujitsu Semiconductor Limited

20140167994 - Digital-to-analog converter: An apparatus and method for digital-to-analog conversion. A digital-to-analog converter includes a sampler for resampling a digital signal and a DAC array. The DAC array includes a sequencer, a unit element activator, and an array of one-bit DACs (unit elements). The unit elements are activated in a cyclical sequence, based... Agent: Newsouth Innovations Pty. Ltd.

20140167993 - Hybrid digital-to-analog converter and method thereof: Hybrid digital-to-analog converter and method thereof are provided. The hybrid digital-to-analog converter (DAC) includes a data processor, at least one first type DAC, at least one second type DAC, and an output circuit. The data processor processes an input digital signal to output at least one of first and second... Agent: Realtek Semiconductor Corp.

20140167991 - Low power analog to digital converter: Described is an analog to digital converter (ADC) which comprises: a sigma-delta modulator to receive an analog signal, the sigma-delta modulator operable to perform chopping to cancel common-mode noise; and one or more counters coupled to the sigma-delta modulator to generate a digital code representative of the analog signal.... Agent:

20140167996 - Current-steering digital-to-analog converter with cancellation of dynamic distortion: A digital-to-analog converter (DAC) includes, in a segment of the DAC, a first switch and a second switch. The first switch includes a first pair of transistors having a first set of inputs and has a first output connected to an output of the DAC. The second switch includes second... Agent: Maxim Integrated Products, Inc.

20140167997 - String dac leakage current cancellation: Embodiments of the present invention may provide a multi-string DAC with leakage current cancellation. A leakage cancellation circuit may be coupled to output node(s) of the—multi-string DAC. The leakage cancellation circuit may replicate leakage current present at the coupled output node(s) and generate a corresponding complementary signal, a leakage cancellation... Agent: Analog Devices Technology

20140167998 - A/d converter, solid-state imaging device and camera system: An A/D converter includes: plural comparators to which reference voltages as ramp waves different from each other are supplied, which are configured to compare the supplied reference voltages with an analog input signal; and plural latches arranged so as to correspond to the plural comparators, which are configured to count... Agent: Sony Corporation

20140167999 - Signal conversion using state sensitive device arrays: An analog to digital conversion device and method utilizing an array of state sensitive cells. A gate timing component selectively exposes each cell to an analog input signal to effect a change in the exposed cell's state. Upon shielding the cell from exposure, the state change is ascertained by a... Agent:

20140168000 - Anti-aliasing sampling circuits and analog-to-digital converter: A sampling circuit, such as the sampling circuit of a successive approximation analog-to-digital converter (ADC), provides anti-aliasing filtering of a sampled input signal. The circuit samples the input signal using multiple capacitors, wherein each capacitor samples the input signal at a distinct time during a sampling time interval. The circuit... Agent: Dust Networks, Inc.

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