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Coded data generation or conversion March listing by industry category 03/11

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.
03/31/2011 > 11 patent applications in 9 patent subcategories. listing by industry category

20110074608 - Button-key device and portable terminal apparatus: A button-key device includes a casing having an opening extending from a position near one end to a position near another end of the casing, and a pair of strength-maintaining projections projecting in opposite directions from the ends, respectively; a first key-top unit including a projecting section, an extended portion... Agent:

20110074609 - Capacitive key touch sensing using analog inputs and digital outputs: A pulse is applied through a capacitive touch key sensor to a sampling capacitor of an analog-to-digital converter (ADC). The voltage charge arriving at the sampling capacitor will be maximum when there is substantially no shunt capacitance between the capacitive touch key sensor and the sampling capacitor. However, a object... Agent: Microchip Technology Incorporated

20110074610 - High speed, low power non-return-to-zero/return-to-zero output driver: A gating logic receives a non-return-to-zero (NRZ) input signal and couples the NRZ input signal as an NRZ output signal when operating in a NRZ mode of operation and converts the NRZ input signal to a return-to-zero (RZ) output signal when operating in a RZ mode of operation. A circuit... Agent: Broadcom Corporation

20110074611 - Sub-channel distortion mitigation in parallel digital systems: A method and apparatus for compensating for gain offset, bias offset, and skew in a parallel processing environment is disclosed. The method and apparatus may be configured to compensate for mismatches between the sub-channel signals in a parallel ADC. This allows for accurate combination of the signals on the sub-channels.... Agent:

20110074612 - A/d converter and open detection method thereof: An A/D converter includes a sampling capacitor that accumulates a charge according to an input voltage, a first initialization switch that initializes the sampling capacitor, a sample hold switch that switches a connection state of an external input terminal and the sampling capacitor, and a second initialization switch that initializes... Agent: Renesas Electronics Corporation

20110074614 - Boost circuit: A boost circuit is provided, which is configured to receive a bitstream signal, to boost the amplitude of the bitstream signal thus received, and to output the bitstream signal thus boosted. A first clock booster receives a clock signal, and boosts the amplitude of the clock signal. A second clock... Agent: Rohm Co., Ltd.

20110074613 - Multiple-bit, digital-to-analog converters and conversion methods: Embodiments include DACs and methods for digital-to-analog conversion. A DAC includes an encoder and a plurality of DAC elements. The encoder maps each of a plurality of bits of a digital input value to one of the DAC elements, and produces a sign indication indicating whether a magnitude of the... Agent: Freescale Semiconductor, Inc.

20110074615 - Wideband digital to analog converter with built-in load attenuator: A circuit for digital-to-analog conversion is described. The circuit includes a digital-to-analog converter (DAC). The DAC includes a double cascaded current source and a differential current-mode switch (DCMS). The circuit further includes a direct current (DC) offset stage. The circuit also includes a load attenuator. The double cascaded current source... Agent: Qualcomm Incorporated

20110074616 - Amplifier: Briefly, one or more embodiments of an amplifier, including example applications, are described.... Agent:

20110074617 - Charge-sharing digital to analog converter and successive approximation analog to digital converter: In one embodiment, an analog to digital converter includes a comparator having a first input, a second input and an output, the first input being coupled to an analog signal, a successive approximation register having a serial input coupled to the output of the comparator, and being configured to generate... Agent: Robert Bosch Gmbh

20110074618 - Method and system for converting time intervals: A method and a system for converting time intervals are provided. In one embodiment, the system comprises a first time-to-digital converter having a first resolution configured to convert a first time interval, a second time-to-digital converter having a second resolution configured to convert a second time interval, and a third... Agent:

03/24/2011 > 13 patent applications in 12 patent subcategories. listing by industry category

20110068955 - Virtual image labeling of input devices: Partial reflection of an image source creates a virtual image that appears superimposed on a keyboard. This virtual image contains labels for the keys. When users place their hands on the keyboard, this blocks the view of some of the keys but does not block the user's view of the... Agent:

20110068956 - Input system and method for electronic device based on chinese phonetic notation: An input system and a method for an electronic device based on Chinese phonetic notation are provided. The input system includes a plurality of keys, a detecting unit, a filtering unit and a candidate character output unit. The keys are respectively arranged on two sides of a screen of the... Agent: Institute For Information Industry

20110068958 - Adaptive code generator for satellite navigation receivers: An adjustable code generator is configurable to generate any of a plurality of spread-spectrum code signals. The adjustable code generator includes a feedback polynomial mask table to contain a set of feedback polynomial masks. Respective feedback polynomial masks of the set correspond to respective spread-spectrum code signals of the plurality... Agent:

20110068957 - Data compression system and associated methods: A system to compress an inter-system channel data stream may include a data compression application executing via a computer processor. The system may additionally include a transmit dictionary used by said data compression application to compress an inter-system channel data stream. The system may also include a data decompression application... Agent: International Business Machines Corporation

20110068959 - Parallel-to-serial converter and parallel data output device: A parallel data output device includes a first latch circuit that latches and outputs one of at least two data signals input in parallel in accordance with a first clock signal; a second latch circuit that latches and outputs another of the at least two data signals in accordance with... Agent: Fujitsu Limited

20110068960 - Minimizing magnetic interference in a variable reluctance resolver: A resolver apparatus and method are provided. The apparatus comprises a source generation unit for generating a uni-phase source signal to excite a resolver, wherein said source generation unit comprises a low distortion oscillator, a variable phase shifter, and a capacitive resolver driving network; and a signal output unit for... Agent:

20110068961 - A/d conversion device and servo control device: In a feedback control device (100), a phase compensation unit (13) performs phase compensation in accordance with a phase delay generation in a time A/D conversion circuit (11), which converts an inputted analog signal to digital data, and in a digital signal correction unit (12), which corrects the digital data... Agent: Denso Corporation

20110068962 - Programmable settling for high speed analog to digital converter: In an embodiment, an apparatus and method reduces a calibration settling time in an analog-to-digital converter (ADC). The ADC has a reference voltage supply. The reference voltage supply has an output. A filter capacitor is coupled to the reference voltage supply output. An isolation transistor is series-coupled between the filter... Agent: Broadcom Corporation

20110068963 - Digital-analog converter circuit and method for fault detection: A digital-analog converter circuit having a first subcircuit for converting a digital signal to an analog voltage, a second subcircuit for determining a first area in which the digital signal lies, a third subcircuit for determining a second area in which the analog voltage lies, and a fourth subcircuit for... Agent:

20110068964 - Discharge digital-to-analog converter: A digital-to-analog conversion circuit operates by selectively discharging members of a plurality of capacitors. Charging of the capacitors occurs during a reset period while digital-to-analog conversion occurs as the capacitors are discharged. Those capacitors that are discharged are selected from the plurality of capacitors based on a digital input. The... Agent:

20110068965 - Digital control switching power supply unit: A digital control switching power supply unit converts an input voltage into a desired output voltage using a digitally controlled pulse width modulation (PWM) signal according to a switching cycle. The power supply unit includes an analog-to-digital converter (ADC). The ADC converts a result of a comparison between an output... Agent: Fuji Electric Systems Co., Ltd.

20110068966 - Asynchronous sigma delta analog to digital converter using a time to digital converter: This disclosure relates to analog to digital conversion using irregular sampling. A method may include combining an analog signal with a feedback signal into a combined signal, filtering the combined signal using a digital noise shaping filter into a combined noise shaped signal, modulating the combined noise shaped signal into... Agent:

20110068967 - A/d converter and solid-state imaging device: According to one embodiment, an A/D converter includes a determination circuit configured to determine whether a first analog signal is greater than a second analog signal or not, the first analog signal being a present A/D conversion target, the second analog signal being an immediately preceding A/D conversion target, a... Agent:

03/17/2011 > 17 patent applications in 12 patent subcategories. listing by industry category

20110063139 - explosion proof electro-mechanical joystick: A joystick comprising a housing, a ball supported and held within the housing, and a joystick handle attached to the ball. The joystick also includes a first device held within the housing, and a second device held within the housing. The joystick also includes a first engagement shaft extending from... Agent: Joy Mm Delaware, Inc.

20110063140 - Portable electronic device and external keyboard thereof: The present invention relates to a portable electronic device and an external keyboard thereof. The portable electronic device comprises a first port comprising a circular earphone plug and a keyboard plug. The external keyboard comprises a main body, a keyboard array and a second port. The keyboard array is disposed... Agent: Inventec Appliances Corp., Shanghai

20110063141 - Adaptable keyboard system: A system for adapting a keyboard display to a definable input language is provided. The system includes an adaptable keyboard comprising keys; a software application, operatively associated with the adaptable keyboard; and a computerized system enabling to receive data from the adaptable keyboard, process and present data and operate the... Agent:

20110063142 - Keyboard providing power control: A keyboard includes a plug communicating with an external input device, a printed circuit board (PCB), and a base. The PCB includes a first power pad and a second power pad electrically connected to the plug via a cable. The PCB outputs a control signal to the plug via the... Agent: Hon Hai Precision Industry Co., Ltd.

20110063143 - Data processing apparatus and method: An apparatus includes: a storage storing data input and sliding stored data per input; first and second comparators comparing in parallel the input data with each stored data and obtaining a position of data matching the input data; first and second determiners each determining whether a stored data matches the... Agent: Ricoh Company, Ltd.

20110063144 - Data transfer apparatus: A data transfer apparatus includes a clock generation unit to generate a clock signal, a control unit to output parallel data and a reset signal, and a plurality of transmission units. Each of the plurality of transmission units uses continuous rising edges of a bit clock to sample the reset... Agent: Kabushiki Kaisha Toshiba

20110063145 - Multiturn rotary encoder and method of operating a multiturn rotary encoder: A multiturn rotary encoder includes: a single-turn unit, including a code carrier and a single-turn evaluation unit for processing single-turn position signals to form a single-turn code word; a first multiturn unit, including at least one first multiturn code carrier and a first multiturn evaluation unit for processing first multiturn... Agent:

20110063149 - Calibration of offset, gain and phase errors in m-channel time-interleaved analog-to-digital converters: Techniques for correcting component mismatches in an M-channel time-interleaved Analog to Digital Converter (ADC). In order to obtain an error measure for offset, gain or phase, errors, outputs from each ADC are either summed or averaged over No samples. Calling each of the sums or averages as Xk where k=1,... Agent: Intersil Americas Inc.

20110063148 - Imbalance and distortion cancellation for composite analog to digital converter (adc): Imbalance and distortion cancellation for composite analog to digital converter (ADC). Such an ‘ADC’ is implemented using two or more ADCs may be employed for sampling (e.g., quantizing, digitizing, etc.) of an analog (e.g., continuous time) signal in accordance with generating a digital (e.g., discrete time) signal. Using at least... Agent: Broadcom Corporation

20110063146 - Multistage chopper stabilized delta-sigma adc with reduced offset: A relatively low frequency chopping operation is applied to a delta-sigma ADC to reduce DC offsets resulting from non-ideal component operation. Sequential chopping takes place outside a closed loop and may include an inverted polarity feedback for a part of the chopping period. Nested chopping involves chopping within the closed... Agent: Texas Instruments Incorporated

20110063147 - Successive approximation register analog to digital converter (adc) and method of adjusting delay thereof: A successive approximation register analog-to-digital converter includes: a digital-to-analog converter that generates an analog voltage based on a digital code; a comparator that receives the analog voltage; a control circuit that generates a digital code of an input voltage sampled from an external clock signal by successively changing the digital... Agent: Fujitsu Limited

20110063150 - Method for detecting and correcting phase shift between i data clock and q data clock in quadrature modulator or quadrature demodulator: A computer-implemented method, device, and program product for detecting a phase shift between an I data clock and a Q data clock in processing an I data signal or a Q data signal used in quadrature modulation or quadrature demodulation. The method includes: receiving an input of the I data... Agent: International Business Machines Corporation

20110063151 - Systems, circuits, and methods for pipelined folding and interpolating adc architecture: A method and apparatus for performing pipelined capacitive folding and interpolation analog-to-digital conversion. In one embodiment, the apparatus comprises a multistage pipelined analog-to-digital converter having: a distributed sample/hold and preamp, folding and interpolation unit which combines a plurality of preamplified signals using a capacitive folding and capacitive interpolation; and a... Agent:

20110063152 - Communication device and noise cancellatin method: A communication device and the method thereof are disclosed in embodiments of the present invention. The communication device includes a level determining module, an digital to analog converter and an analog to digital converter. The level determining module determines a plurality of voltage levels and voltage intensity thereof according to... Agent:

20110063153 - Data readout system having non-uniform adc resolution and method thereof: A data readout system with non-uniform resolution has a pick up head for reading data stored in an optical disc and generating an analog signal, a reference voltage unit for producing a plurality of reference voltage levels, wherein voltage differences between two adjacent reference voltage levels are not all the... Agent:

20110063155 - Sigma-delta modulator with shared operational amplifier and associated method: A Sigma-Delta modulator with a shared operational amplifier (op-amp) includes an integrated circuit, having two integrators sharing the op-amp, capable of integrating two input signals of the two integrators; a plurality of quantizers, coupled to the integrating circuit, for comparing outputting signals of the integrators with a predetermined signal and... Agent: Mstar Semiconductor, Inc.

20110063154 - Touch controller with improved analog front end: A controller for a touch sensor includes a transimpedance amplifier, and a feedback resistor coupled to an input of the transimpedance amplifier and to an output of the transimpedance amplifier. At least one multiplexor may be coupled to the input of the transimpedance amplifier and configured to multiplex a plurality... Agent:

03/10/2011 > 9 patent applications in 8 patent subcategories. listing by industry category

20110057818 - Apparatus and method for encoding and decoding signal: Encoding and decoding apparatuses and encoding and decoding methods are provided. The decoding method includes extracting a plurality of encoded signals from an input bitstream, determining which of a plurality of decoding methods is to be used to decode each of the encoded signals, decoding the encoded signals using the... Agent: Lg Electronics, Inc.

20110057819 - Semiconductor device having plural semiconductor chips laminated to each other: In a stacked semiconductor device in which a plurality of through silicon vias used for data transfer are shared among a plurality of semiconductor chips, a first semiconductor chip included in the semiconductor chips holds through silicon via switching information for specifying a through silicon via among the through silicon... Agent: Elpida Memory, Inc.

20110057820 - Data serializer apparatus and methods: Some embodiments include apparatus and methods having an output line, clock nodes to receive clock signals, the clock signals being out of phase with each other, and selector circuits to receive data in parallel. In at least one embodiment, the selector circuits are responsive to the clock signals to transfer... Agent: Micron Technology, Inc.

20110057821 - Apparatus and method for sensing rotor position and electric power steering system using the same: Disclosed are an apparatus and method for sensing a rotor position, and an electric power steering system using the same. The rotor position sensing apparatus includes: an absolute position sensor for sensing absolute position information for a rotor; a pulse generator for generating increment pulses with a predetermined period; a... Agent: Mando Corporation

20110057822 - Pulse generating device, rotator module, rotational speed control device, and image forming apparatus: A pulse generating device includes a rotatable disc having a plurality of patterns that are formed on a surface of the rotatable disc in a circumferential direction of the rotatable disc, and three pulse generators to each detect the plurality of patterns formed on the rotatable disc and to respectively... Agent:

20110057823 - Asynchronous sar adc: An asynchronous analog to digital convertor for converting an analog input signal into a digital output is presented. According to an embodiment, the analog to digital convertor comprises a clock input operable to receive an external clock signal having a clock period, a comparator operable to compare the analog input... Agent: Stichting Imec Nederland

20110057824 - Analog-to-digital converter having output data with reduced bit-width and related system and method: A circuit includes an analog-to-digital converter configured to receive an analog input signal and generate first digital values at a first sampling rate. The first digital values have a first bit-width. The circuit also includes an interpolator configured to receive the first digital values and generate second digital values at... Agent: National Semiconductor Corporation

20110057825 - Diode smart track: Systems and methods to achieve a logarithmic digital-to-analog converter (DAC), which is easy to be implemented, and requiring reduced chip space have been disclosed. The logarithmic DAC is created by a simple and easy to scale linear DAC, which is linearly scaling a predefined voltage range. The output voltage of... Agent: Dialog Semiconductor Gmbh

20110057826 - Micro-electro-mechanical systems (mems), systems, and operating methods thereof: A micro-electro-mechanical system (MEMS) includes a micro-mechanical structure that is capable of generating a first electrical signal. An analog-to-digital converter (ADC) is coupled with the micro-mechanical structure. The MEMS is free from including any amplifier between the micro-mechanical structure and the ADC.... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

03/03/2011 > 15 patent applications in 10 patent subcategories. listing by industry category

20110050464 - Key structure having improved light emitting efficiency: A key structure having an improved light emitting efficiency is provided. The key structure includes a light guide plate, an isolation sheet, a circuit board, an elastic member, and a key cap sequentially disposed one on another in order. A circuit and a plurality of first electrical contacts are distributed... Agent:

20110050465 - Scanning circuit and scanning method for keyboard: A scanning circuit includes n rows L1˜Ln, 2n columns P1-1˜P1-n and P2-1˜P2-n, and the n rows L1˜Ln and the n columns P1-1˜P1-n cooperatively form a switch matrix comprising n*n switches S1-1˜Sn-n, with ends of the switches in the same row electrically connected to one of n I/O ports K1˜Kn, respectively,... Agent:

20110050466 - Touch-sensitive device: A touch-sensitive device includes a membrane substrate, an inductive layer and a protection layer. The inductive layer, arranged on a front face of the membrane substrate, has a plurality of capacitance-inductive sections, and at least one transmission line extended from a side of each of the capacitance-inductive sections. The protection... Agent:

20110050467 - Noise-shaped scrambler for reduced out-of-band common-mode interference: Class-D amplifiers have evolved from using binary pulse-width modulation (PWM) modulators to three-level PWM modulators. Three-level PWM drivers for audio applications offer the benefits of eliminating costly elements at the output of an audio system. However, they also introduce increased common-mode interference. Three-level PWM generates three states, but one state... Agent:

20110050468 - Thermometer code transcoding and encoding methods and systems: Examples of systems and methods are provided for generating an output signal having an output code having less number of bits compared to an input signal having a thermometer code representation. The system may partition the input code bits into non-overlapping clusters. The system may generate a control signal for... Agent:

20110050469 - Line of propagation digitizing device: An electric signal digitizing device includes a line of propagation through which the signal travels and a plurality of samplers (141, . . . , 14N) connected at separate points on the line of propagation, such that each one samples the signal value at the connection point thereof. The device... Agent:

20110050470 - Digital-to-analog converter: A DAC unit, connected to a current supply transistor, includes first control transistors connected in parallel to each other, with each being connected in series to the current supply transistor. The first control transistors drive currents at different current values in response to a bias voltage. The DAC unit also... Agent:

20110050473 - Analog-to-digital converters, and image sensors and image processing devices having the same: An analog-digital converter (ADC) includes a correlated double sampling (CDS) circuit configured to perform CDS on each of a reset signal and an image signal output from a pixel to generate a correlated double sampled reset signal and a correlated double sampled image signal, respectively. A delta sigma (ΔΣ) ADC,... Agent:

20110050472 - Delta-sigma analog-to-digital converter (adc) having a serialized quantizer output: A delta-sigma analog-to-digital converter (ADC) having a serialized quantizer output has a data rate greater than a quantization rate of the delta-sigma modulator, but less than a bit rate determined by the product of the number of bits required to represent the input to a feedback digital-to-analog converter and the... Agent:

20110050474 - Method and circuit for calibrating phase, and signal processing apparatus having the same: A method for calibrating a phase include comparing a phase of an in-phase output signal and a phase of a quadrature-phase output signal and generating a digital code corresponding to a comparison result, and controlling the phase of the in-phase output signal in response to quadrature-phase differential input signals and... Agent:

20110050471 - Use of three phase clock in sigma delta modulator to mitigate the quantization noise folding: A differential sigma delta modulator operates by modulating an input signal by intermittently coupling a reference signal to the input signal using one or more switches controlled by one or more feedback signals and a respective one or more non-overlapping clock signals. The modulated input signal is integrated using an... Agent:

20110050475 - Analog to digital converter with digital filter: Disclosed herein are devices, methods, and techniques including analog to digital converters having at least one digital filter.... Agent:

20110050476 - Integrator, resonator, and oversampling a/d converter: An integrator includes an operational amplifier, a first filter connected to an inverting input terminal of the operational amplifier, and a second filter connected between the inverting input terminal and an output terminal of the operational amplifier. The first filter includes n resistive elements connected in series, and (n−1) capacitive... Agent:

20110050477 - Electronic apparatus, control method thereof, remote control apparatus, and control method thereof: An electronic apparatus, control method thereof, remote control apparatus that controls the electronic apparatus, and control method thereof. The remote control apparatus includes a communication unit which communicates with the electronic apparatus; a user input unit which receives a user button selection indicating an input button; a sensing unit which... Agent:

20110050478 - Method for controlling external device and remote controller thereof: A method for controlling devices connected together, and which includes determining a type of a first device when the first device is connected to a transmitting device, determining what key buttons on a remote controller are needed to operate the detetermined type of the first device, activating the key buttons... Agent:

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