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Coded data generation or conversion March listing by industry category 03/12

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.
  
03/29/2012 > 13 patent applications in 10 patent subcategories. listing by industry category

20120075125 - Handgrip keyboard: A keyboard includes first and second keyboard units. The first and second keyboard units comprise a first housing and a second housing, respectively. The first housing and the second housing are adapted to be attached and detached from an electronic device. A set of input keys may be disposed on... Agent: Lenovo (singapore) Pte. Ltd.

20120075126 - Emi reduction with specific coding of counter signals: Apparatuses and a method for transmitting a counter signal in an imaging system are provided. Counter states of the counter signal are Gray coded to Gray coded counter states before transmission. Every second Gray coded counter state is inverted to an inverted counter state. The Gray coded counter states inverted... Agent:

20120075127 - Data transfer method, and code conversion circuit and apparatus: A data transfer method multiplexes a data character having a bit width M (M is a natural number greater than or equal to 3) and a control character having a bit width N (N is a natural number greater than or equal to 1), and adds a control character valid... Agent: Fujitsu Limited

20120075128 - Successive approximation a/d converter: A successive approximation A/D converter, has a main DAC having a capacitive element group coupled to a top node and a switch group; a comparator comparing voltage of the top node with comparison reference voltage; a correction DAC generating correction voltage in accordance with a capacitance error of a capacitive... Agent: Fujitsu Limited

20120075129 - Calibration of impairments in a multichannel time-interleaved adc: Techniques for correcting component mismatches in an M-channel time-interleaved Analog to Digital Converter (ADC). A number, M, of clock signals drive a corresponding number of main ADC elements with a selected plurality of different clock phases. Each of the ADCs has at least one of an offset correction input, a... Agent: Intersil America, Inc.

20120075130 - Method of testing digital-to-analog and analog-to-digital converters: A method of testing a digital-to-analog or analog-to-digital converter including coarse and fine voltage dividers corresponding respectively to more and less significant bits of the digital signal. Reference input signals are applied corresponding to a first selection of the fine resistor elements with each selection of the coarse resistor elements... Agent: Freescale Semiconductor, Inc

20120075131 - Systems and methods for enhancing analog to digital conversion resolution: Various embodiments of the present invention provide systems and methods for analog to digital conversion. As an example, a circuit for converting analog signals to digital signals is disclosed. The circuit includes a variable gain amplifier circuit, an analog to digital converter circuit, and a summation circuit. The variable gain... Agent: Lsi Corporation

20120075133 - Low-power sigma-delta converter: A sigma-delta converter may include an input node, a switched capacitor input stage integrating a difference signal between an input signal from the input node and a feedback signal representing an output signal, and a switched capacitor adder coupled downstream from the switched capacitor input stage and generating a sum... Agent: Stmicroelectronics S.r.i.

20120075132 - Method and apparatus for calibrating sigma-delta modulator: In a method of converting an analog signal to digital format, an analog input signal is received and processed using sigma-delta modulation to provide a first digital signal that represents the analog input signal in digital format and to provide a second digital signal that represents a first error introduced... Agent: Taiwan Semiconductor Manufacturing Co., Ltd.

20120075136 - A/d conversion device: An A/D conversion device has first to third pulse delay circuits, first to third pulse passage stage detection circuits, a time output circuit, and an output circuit. Each of the first to third pulse delay circuit has multiple stages of delay units which are connected together and delay a first... Agent: Olympus Corporation

20120075135 - Analog-digital conversion: In one embodiment, a method includes receiving a first analog signal at a first input; receiving a second analog signal at a second input; mixing the first analog signal with a first oscillator signal having a first frequency; mixing the second analog signal with a second oscillator signal having a... Agent:

20120075134 - System and method for compressive sensing: The present invention provides a system for use with an input signal and a clock signal. The system includes a physical random interval generator, a sampling analog-to-digital converter (ADC), a timing signal generator and a reconstructor. The physical random interval generator can generate a random output signal. The ADC can... Agent: Johns Hopkins University

20120075137 - A/d converter circuit: An A/D converter circuit includes first to fourth pulse circulation circuits and first and second counters and configured to provide high conversion accuracy irrespective of a temperature change. The first pulse circulation circuit operates with a difference voltage of a specified voltage and an analog input voltage. The first counter... Agent: Denso Corporation

  
03/22/2012 > 10 patent applications in 10 patent subcategories. listing by industry category

20120068864 - Method and apparatus for encoding based on a linear block code: A method and apparatus for encoding based on a linear block code, and a method and apparatus for generating a linear block code are provided. The method for encoding based on a linear block code includes: generating a linear block code; and encoding an information sequence with an encoding matrix... Agent: Huawei Technologies Co., Ltd.

20120068865 - Fast data weighted average circuit and method: A method and apparatus are provided for Fast Data Weighted Average (DWA) double-sampling modulators with minimal loop delay supporting improved stability. Quantization and DEM are accomplished within non-overlap time. By this reduction in time delay, power can be saved for analog integrators. The DC signal of partitioned DWA is removed... Agent: Asahi Kasei Microdevices Corporation

20120068866 - Compensation of clock jitter in analog-digital converter applications: Processes and systems for use in reducing clock jitter-induced error, obtain a first sample during each cycle of a periodic analog reference signal. The sample includes an error resulting at least in part from jitter-induced timing error of the clock signal. For each respective cycle, a second sample of a... Agent: Raytheon Company

20120068867 - Sampling/quantization converters: Provided are, among other things, systems, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. According to one representative embodiment, an apparatus includes multiple quantization-noise-shaping continuous-time filters, each in a separate processing branch and having an adder that includes multiple inputs and an... Agent:

20120068868 - Continuous-time sigma-delta analog-to-digital converter: A continuous-time delta-sigma analog-to-digital converter (ADC) is disclosed. The ADC includes a loop filter, a loop quantizer, and a clock-jitter tolerant digital-to-analog converter (DAC). The clock-jitter tolerant DAC includes a dual switched-current (SI) DAC, a switched-capacitor (SC) DAC, an adder, and a switched-capacitor-resistor (SCR) injection circuit. The dual SI DAC... Agent:

20120068869 - Compact digital-to-analog converter: An example digital-to-analog converter includes a reference scaling circuit receiving a first reference current and generating a second reference current. A first plurality of current sources is coupled to a summing node with a current of a first one of the first plurality of current sources proportional to the first... Agent: Power Integrations, Inc.

20120068870 - Systems and methods for semi-independent loop processing: Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing circuit is discussed that includes an analog to digital converter circuit, a digital filter circuit, a data detector circuit, a mimic filter circuit, and a sample clock generation circuit. The analog to... Agent: Lsi Coporation

20120068871 - Ad converter-equipped temperature sensor circuit and semiconductor integrated circuit: In an AD converter-equipped temperature sensor circuit, at start of operation, a successive approximation type AD converter converts an analog voltage having temperature dependence received from a voltage generation circuit, to determine all bits of the converted digital signal. Thereafter, a power control circuit detects only a change in the... Agent: Maeda Patent Office

20120068872 - Methods of quantizing signals using variable reference signals: Methods for reading a data location coupled to an electrical conductor. A counter receives a signal from an analog-to-digital converter coupled to the electrical conductor. The counter produces two or more counts, and in some embodiments, the counts are based in part on a variable reference voltage. An interfuser may... Agent: Micron Technology, Inc.

20120068873 - Method for performing coding resource management, and associated processing circuit: A method for performing coding resource management is provided, where the method is applied to a processing circuit. The method includes: with regard to a specific coding operation, selecting a specific module from a hardware module and a program module; and performing the specific coding operation by utilizing the specific... Agent:

  
03/15/2012 > 9 patent applications in 9 patent subcategories. listing by industry category

20120062398 - Use of a rotating knurled wheel in the automotive field for moving an element in two opposite directions: A knurled wheel is subject to a mechanism capable of creating a system of detents. The knurled wheel is fitted with sensors for detection and selection, by processing of information about the speed of rotation of the knurled wheel, either of a step-by-step manual operating mode, in one or other... Agent: Dura Automotive Systems Sas

20120062399 - Determination of long binary sequences having low autocorrelation functions: Systems, methods, and computer-readable media for determining long binary sequences having low autocorrelation functions using evolutionary processes are disclosed. Biphase sequences are found with low peak sidelobe values meeting a predetermined criterion, e.g., threshold low auto-correlation function, including application of semidefinite programming in connection with determining an initial population, and... Agent: The Hong Kong University Of Science And Technology

20120062400 - Analog digital converting device and reference voltage controlling method thereof: Provided are an analog digital converting device and a reference voltage controlling method thereof. The analog digital converting device includes: a first reference voltage generating circuit generating a first reference voltage; a second reference voltage generating circuit generating a second reference voltage; a first sub analog digital converter receiving an... Agent: Electronics And Telecommunications Research Institute

20120062401 - On-die digital-to-analog conversion testing: In one embodiment, an analog-to-digital conversion in an integrated circuit is evaluated by an on-die testing circuit. For example, the on-die test circuit 370 can characterize one or both of the linearity and monotonicity of the digital-to-analog conversion. The value of a conversion output for a digital input code may... Agent:

20120062402 - Multiplexed amplifier with reduced glitching: In many applications, which use amplifiers that operate at less than 50% duty cycle, it would be advantageous to reduce the number amplifiers to reduce power consumption. Here, an amplifier is provided which is time multiplexed to accommodate multiple data paths. Additionally, reset circuitry or a reset mechanism is provided... Agent: Texas Instruments Incorporated

20120062403 - Data processing device and data processing system: In AD conversion of a voltage, data continuity is ensured between the results of conversion after amplification and of direct conversion without amplification. In AD conversion operation, an analog signal output from a DA converter circuit is directly converted by an AD converter circuit, and the analog signal is converted... Agent: Renesas Electronics Corporation

20120062404 - Novel noise injection technique: A novel noise injection technique is presented to improve dynamic range with low resolution and low speed analog to digital converters. This technique combines incoming signal and noise signal with wave front de-multiplexer and split into several channels. Then low resolution and low speed analog to digital converters are used... Agent:

20120062405 - Compensation of loop-delay quantizer in continuous-time and hybrid sigma-delta analog-to-digital modulators: A summing-tracking quantizer additively combines multiple feed-forward outputs of cascaded integrator stages of a sigma-delta analog-to-digital converter with a scaled sampled analog signal, and a delayed scaled analog input signal. The summing tracking quantizer compensates for loop delay within a sigma-delta analog-to-digital converter. A loop delay compensation digital-to-analog converter for... Agent: Dialog Semiconductor Gmbh

20120062406 - Analog digital converting device: Provided is an analog digital converting device which consumes a low power and guarantees fast operation characteristic. The analog digital converting device includes a sub-ADC and a successive approximation ADC. The sub-ADC converts an external analog signal into a first digital signal by using first and second reference voltages. The... Agent: Electronics And Telecommunications Research Institute

  
03/08/2012 > 11 patent applications in 10 patent subcategories. listing by industry category

20120056761 - Rotation input device: In a rotation input device, a planetary carrier, connected to an operation knob, rotatably supports a planetary gear which meshes with an outer teeth row provided for a sun gear, to which an output shaft is secured, and also meshes with an inner teeth row provided for an outer gear.... Agent: Alps Electric Co., Ltd.

20120056762 - Data bus inversion apparatus, systems, and methods: Apparatus, systems, and methods are disclosed such as those that operate to encode data bits transmitted on a plurality of channels according to at least one of multiple Data Bus Inversion (DBI) algorithms. Additional apparatus, systems, and methods are disclosed.... Agent: Micron Technology, Inc.

20120056763 - Systems and methods for data compression: In one embodiment, an initial series of bytes are scanned to determine a frequency of occurrence within the initial series of bytes for a plurality of byte strings. A data structure is generated containing the plurality of byte strings and count values representing a frequency of occurrence for the plurality... Agent:

20120056764 - System and method for preserving neighborhoods in codes: A system and method for preserving neighborhoods in codes are provided. A method for transmitting information includes receiving an information string to transmit, generating a first address and a second address from the information string, encoding the first address and the second address with a layered code encoder, thereby producing... Agent: Futurewei Technologies, Inc.

20120056765 - Method for controlling the loop delay in a sigma-delta modulator, and sigma-delta modulator implementing said method: In a method for controlling the loop delay in a sigma-delta modulator having a loop including an integrator, an analog-to-digital converter, a digital-to-analog converter, and an adder-subtractor, at least one phase-control programmable digital command representing a phase shift is applied to one of the clock signals of the converters of... Agent: Thales

20120056766 - Non-linearity correction that is independent of input common mode, temperature variation, and process variation: In pipeline analog-to-digital converters (ADCs) the third harmonic can degrade the performance of the ADC, and conventional circuits that attempt to cancel this third harmonic are oftentimes sensitive to process variation, temperature variation, and common mode variations. Here a correction circuit is provided that includes a compensator that adjusts control... Agent: Texas Instrumentals Incorporated

20120056767 - Signal processing apparatus with sigma-delta modulating block collaborating with notch filtering block and related signal processing method thereof: One signal processing apparatus includes a sigma-delta modulating block and a notch filtering block. The sigma-delta modulating block is arranged to perform a sigma-delta modulation upon a signal input and accordingly generate a signal output. The notch filtering block is arranged to perform a notch filtering operation upon the signal... Agent:

20120056768 - Digital/analog converter: A digital/analog converter converts an input digital signal to an analog signal and outputs the analog signal. The digital/analog converter has first and second transistors that are complementarily switched by a first digital signal included in the digital signal. The digital/analog converter has a first current source having a first... Agent: Kabushiki Kaisha Toshiba

20120056769 - Method and system for time to digital conversion with calibration and correction loops: Methods and apparatuses for time to digital conversion (TDC) are disclosed. A timing circuit comprises a TDC circuit, a calibration module, and a correction module. The TDC circuit is configured to provide a timing signal indicative of a timing difference between edges of a periodic reference clock signal and a... Agent: Taiwan Semiconductor Manufacturing Co., Ltd.

20120056770 - Successive approximation register-analog digital converter and receiver: An SAR-ADC includes input and reference terminals, first and second capacitor sets, a dummy capacitor, a comparator, a switch, and a logic. The first and second capacitor sets include first and second capacitors, respectively. The first capacitor has a first capacitance. The second capacitor has a second capacitance. The dummy... Agent: Kabushiki Kaisha Toshiba

20120056771 - Multi-bit sampling and quantizing circuit: Provided are, among other things, systems, apparatuses methods and techniques for performing multi-bit quantization. One such apparatus includes an input signal line; a first comparator having a first input coupled to the input signal line, a second input coupled to a first reference signal, and an output; a rectifier having... Agent:

  
03/01/2012 > 13 patent applications in 8 patent subcategories. listing by industry category

20120050075 - Retractable device: A device includes a processor and a memory coupled to the processor. The memory is encoded with instructions that are executable by the processor to provide content signals. The device also includes a display screen extendable to present an extended portion comprising display pixels configured to display content using the... Agent:

20120050078 - Keyboard: The present disclosure provides a keyboard. The keyboard includes a number of buttons set on a pedestal. The pedestal includes a number of resisting members and a number of returning members. Each of the resisting members is arranged between two of the buttons, the inclined sidewalls of each of the... Agent: Fu Tai Hua Industry (shenzhen) Co., Ltd.

20120050077 - Keyboard module: A keyboard structure including a first cover, a second cover, a circuit board and a dirt-proof structure is provided. The circuit board is disposed between the first cover and the second cover, and the dirt-proof structure disposed between the circuit board and the first cover is assembled with the circuit... Agent: Giga-byte Technology Co.,ltd.

20120050076 - Wireless keyboard having waterproof mechanism: A wireless keyboard having a water proof mechanism includes a signal processing module and a flexible keyboard connected to one side of the signal processing module. The signal processing module includes an upper casing, a lower casing located under the upper casing, a waterproof gasket located between peripheries of the... Agent:

20120050080 - Linearity correction circuit for voltage mode dac: A force/sense voltage-mode DAC coupled with multiple transconductance amplifiers that generate a correction current injected to a node in one of the DAC cells is discussed. The correction current injected into the DAC cell may reduce nonlinearity produced by biasing current to the operational amplifiers in the DAC.... Agent: Analog Devices, Inc.

20120050079 - System, method, and circuitry for blind timing mismatch estimation of interleaved analog-to-digital converters: A timing skew estimation system is disclosed that includes a plurality of interleaved analog-to-digital converter circuits (ADCs), a timing mismatch estimation unit, and a correction unit. The timing mismatch estimation unit calculates a correlation between each of the plurality of ADCs. Then the timing mismatch estimation unit calculates a cost... Agent: Texas Instruments Incorporated

20120050082 - Composite analog-to-digital converter: An analog-to-digital converter (ADC) includes a plurality of single slope ADCs, a ramp generator, and digital output circuitry. Each single slope ADC includes an analog input operable to receive an analog input signal, a ramp input operable to receive an analog ramp signal, a comparator operable to compare the analog... Agent: Broadcom Corporation

20120050081 - Power and area efficient interleaved adc: Pipeline analog-to-digital converters (ADCs) are commonly used for high frequency applications; however, operating at high sampling rates will often result in high power consumption or tight timing constraints. Here, though, an ADC is provided that allows for relaxed timing (which enables a high sampling rate) with low power consumption. This... Agent: Texas Instruments Incorporated

20120050083 - Source driver: A source driver includes at least a channel, and the channel includes an N-type digital-to-analog converter (NDAC) and an operational amplifier. The NDAC is utilized for receiving input data and selecting one of a plurality of gamma voltages to generate output data according to the input data. The operational amplifier... Agent:

20120050085 - Da converter: A low power consumption DA converter includes a segment type DA converter and an R-2R resistance ladder DA converter. The segment type DA converter is coupled to a power source voltage VDD and outputs a current signal changing in a stepwise manner according to inputted upper bits D[7 to 5].... Agent: Renesas Electronics Corporation

20120050084 - Digital to analog converters having circuit architectures to overcome switch losses: A digital to analog converter (DAC) includes a pair of operational amplifiers each having a first input coupled to a reference voltage. The DAC includes a plurality of switch-controlled cells, each of which includes a resistor and two force/sense switch pairs. A first force switch may be coupled to an... Agent: Analog Devices, Inc.

20120050086 - Semiconductor device: An AD converter includes a first oscillator outputting a first frequency in accordance with a reference voltage; a second oscillator outputting a second frequency in accordance with an input voltage; a first counter measuring the first frequency; a second counter measuring the second frequency; and a comparator comparing a measurement... Agent: Semiconductor Energy Laboratory Co., Ltd.

20120050087 - Ad converter and ad converter circuit voltage control method: There is provided an AD converter including an AGC circuit that changes an input amplitude of an analog signal and outputs the analog signal to an AD converter circuit that converts the analog signal to a digital signal, and a first detection portion that compares an output range of the... Agent:

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