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Coded data generation or conversion June invention type 06/12

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.
06/28/2012 > 13 patent applications in 10 patent subcategories. invention type

20120161988 - Keyboard: A keyboard includes a base, a plurality of keyswitches, a transparent protective cover and a light emitting module. The keyswitches are disposed on the base and each keyswitch includes a transparent key cap. The transparent protective cover includes a plurality of hollow protruding portions. When the transparent protective cover is... Agent:

20120161989 - Exponential line coding: Line coding, or data coding at the physical layer of transmission, storage and retrieval has typically been previously by a digital representation of the actual binary coded value of a positional data bit in a byte. Bits are constructed into bytes of eight bits, words are constructed of two bytes,... Agent:

20120161990 - Integrator and oversampling a/d converter having the same: A high order integrator is configured using an operational amplifier, a first filter connected between an input terminal of the integrator and an inverted input terminal of the operational amplifier, and a second filter connected between the inverted input terminal and output terminal of the operational amplifier. The first filter... Agent: Panasonic Corporation

20120161991 - Offset cancellation for analog to digital converters: An offset cancellation circuit for canceling an offset voltage in an amplifier is provided herein. The offset cancellation circuit includes a current source configured to provide an offset current, a switching stage comprising first and second switches, and a cascode stage. The cascode stage comprises a first cascode device configured... Agent: Broadcom Corporation

20120161992 - Integrated non-linearity (inl) and differential non-linearity (dnl) correction techniques for digital-to-analog converters (dacs): INL values are determined for sub-segments of a DAC adapted to accept N bit digital input codes, and a first set of correction codes that can be used to reduce to a range of INL values (to improve linearity of the DAC) are determined and stored. Additionally, DNL values are... Agent: Intersil Americas Inc.

20120161993 - Digital analog converter and method for calibrating current sources thereof: Provided is a digital analog converter that output currents having different magnitudes for a digital input value according to a mapping table. The digital analog converter includes: a plurality of current sources; and a calibration unit configured to sort index values for identifying the plurality of current sources according to... Agent: Electronics And Telecommunications Research Institute

20120161995 - Ad conversion method and ad conversion circuit: A disclosed AD conversion circuit includes a holding portion storing sequence information, signal selection information and time information; a sequencing counter to be initialized by receiving a timing signal output at a predetermined period and counting upon receipt of a matching signal to obtain a sequencing counter count value; a... Agent: Mitsumi Electric Co., Ltd.

20120161994 - Switched-capacitance gain amplifier with improved input impedance: A gain amplifier may have a differential amplifier with feedback capacitors; a switched input stage having first and second outputs coupled with the differential amplifier, and having: first and second capacitors, a first input receiving a first signal of a differential input signal; a second input receiving a second signal... Agent: Microchip Technology Incorporated

20120161996 - Low-memory-usage arbitrary waveform representation or generation: This disclosure describes techniques and apparatuses for low-memory-usage arbitrary waveform representation or generation. These techniques and/or apparatuses enable representation and/or generation of arbitrary waveforms using less memory than many current techniques, thereby reducing costs or memory size. Further, in some embodiments the techniques and apparatuses generate arbitrary waveforms without using... Agent:

20120161997 - Digital-to-analog conversion device: A digital-to-analog conversion device is disclosed. The digital-to-analog conversion device comprises a variable delay buffer circuit and a plurality of synchronization circuits. The buffer circuit receives a digital signal with a plurality of bits and sequentially outputs a plurality of first complementary digital signal sets delayed according to the order... Agent: National Chiao Tung University

20120161999 - Complex second-order integrator and oversampling a/d converter having the same: An oversampling A/D converter with a few operational amplifiers is configured using a complex second-order integrator including first and second second-order integrators and first and second coupling circuits configured to couple these integrators together. Each of the second-order integrators includes an operational amplifier, four resistance elements, and three capacitance elements.... Agent: Panasonic Corporation

20120161998 - Ramp signal generator, analog to digital converter, and image sensor: Provided is an analog-to-digital (A/D) converter that may be used in an image sensor and a ramp signal generator that is used in an A/D converter. The ramp signal generator may generate a ramp signal and a reference voltage signal that include noise that has same noise characteristics that are... Agent:

20120162000 - Switched capacitor circuit and stage circuit for ad converter: A switched capacitor circuit, which is operable in two or more kinds of operation modes including a first and second operation modes, includes an amplifier and two or more internal capacitors with switches for controlling connection/disconnection of the capacitor. In the first operation mode that precedes the second operation mode,... Agent: Fujitsu Limited

06/21/2012 > 16 patent applications in 15 patent subcategories. invention type

20120154180 - Light guide structure, keypad structure including the same, and method of fabricating the same: A light guide structure includes a light guide layer, a light condensing structure, and a microstructure region. The light condensing structure is disposed on the light guide layer to gather light from a light source to the light guide layer for allowing the light guide layer to transmit the light.... Agent: Ichia Technologies, Inc.

20120154181 - Method and apparatus for inputting key: A key input method and apparatus allow efficient typing on a keypad. A pressing of a first key followed by a pressing of a second key is detected. One of input values corresponding to one of the first and second keys is selected according to the other key of the... Agent: Samsung Electronics Co., Ltd.

20120154182 - Keys with touch detection function and electronic apparatus with the keys: A key for electronic apparatus, e.g., a mobile phone, and electronic apparatus including such keys, the key combines touch detection function with mechanical key pressing function. The key includes a dome, contact points member, e.g., a gold key finger, on a circuit board of the electronic apparatus and below the... Agent: Sony Ericsson Mobile Communications Ab

20120154183 - Multi-variable multi-wire interconnect: A method is described for encoding N variables onto less than 2N channels by forming a respective signal for each of the channels by combining inverted and/or non inverted forms of the variables, such that, each of the N variables is balanced across the channels, and, combination on any particular... Agent: Analog Bits, Inc.

20120154184 - Wireless communications system with secondary synchronization code based on values in primary synchronization code: A wireless communication system. The system comprises transmitter circuitry (BST1), the transmitter circuitry comprising encoder circuitry (50) for transmitting a plurality of frames (FR). Each of the plurality of frames comprises a primary synchronization code (PCS) and a second synchronization code (SSC). The encoder circuitry comprises of circuitry (501) for... Agent:

20120154186 - Low power serial to parallel converter: A serial-to-parallel converter includes a sampling unit that may, in response to a serial clock signal, sample a serial data stream and provide an even serial data stream, and an odd serial data stream. The serial-to-parallel converter also includes a strobe generator and a number of latches. The strobe generator... Agent:

20120154185 - Providing a feedback loop in a low latency serial interconnect architecture: In one embodiment, the present invention includes a de-serializer to receive serial data at a first rate and to output a parallel data frame corresponding to the serial data aligned to a frame alignment boundary in response to a phase control signal received from a feedback loop coupled between the... Agent:

20120154187 - Error correction in thermometer codes: A thermometer coded line is configured to convert a time interval to a digital code for subsequent processing in order to output a value representative of said time interval. A digital peak detector is coupled to receive output from the thermometer coded line, the detector operating for correction of an... Agent: Stmicroelectronics (research & Development) Limited

20120154188 - Sense-amplifier monotizer: A sense-amplifier monotizer includes an amplifier circuit and a keeper circuit. The amplifier circuit outputs a predetermined logic state while a clock signal is in a first phase, and samples a data signal and outputs at least one of the data signal and a complementary logic state of the data... Agent: Advanced Micro Devices, Inc.

20120154189 - Current switch driving circuit and digital to analog converter: Provided are a current switch driving circuit generating a signal for driving a current switch, and a digital-to-analog converter using the same. The current switch driving circuit includes a first PMOS transistor in which a source terminal is connected to a power supply terminal, a gate terminal receives an input... Agent: Electronics And Telecommunications Reasearch Institute

20120154190 - Signal processing device, mass spectrometer, and photometer: A signal processing device includes amplifiers that are capable of amplifying detected signals using amplification factors that are different from each other; A/D converters that sample plural signals amplified by the amplifiers using the different amplification factors and output from the amplifiers; calculators that perform, on the basis of the... Agent:

20120154191 - Method for processing a measured-value signal representing a value determined in analog form for the output current of a converter and device for carrying the method: A method for processing a measured-value signal representing a value, determined in analog form, for the output current of a converter, and device for carrying out the method, the measured-value signals acquired by a sensor, especially including a shunt resistor, being supplied to a respective processing channel that has at... Agent:

20120154192 - Voltage controlled oscillator (vco) based analog-digital converter: A signal receiver contains a VCO-based Analog-to-Digital Converter. As a result, some building blocks can be migrated into the digital domain.... Agent:

20120154193 - Subrange analog-to-digital converter and method thereof: The configurations and adjusting method of a subrange analog-to-digital converter (ADC) are provided. The provided subrange ADC includes a X.5-bit flash ADC, a Y-bit SAR ADC and a (X+Y)-bit segmented capacitive digital-to-analog converter (DAC).... Agent: National Cheng Kung University

20120154194 - Successive approximation analog-to-digital converter having auxiliary prediction circuit and method thereof: The configurations and adjusting method of a successive approximation analog-to-digital converter (SAR ADC) are provided. The provided SAR ADC includes at least one capacitor with a first and a second terminals, and a plurality of bits, each of which is connected to the at least one capacitor, wherein the first... Agent: National Cheng Kung University

20120154195 - System and method for remote controlled device selection: A system and method are provided for selecting a remote controlled device to be controlled from among a plurality of remote controllable devices. The system includes an electronic device having a registration interface configured to register device data corresponding to the plurality of remote controllable devices, a position locator configured... Agent: Sony Ericsson Mobile Communications Ab

06/14/2012 > 15 patent applications in 10 patent subcategories. invention type

20120146817 - Keyboard device with antenna function: A keyboard device with antenna function includes a keyboard unit, an antenna unit, and a conductive unit. The keyboard unit includes a substrate structure, a plurality of movable key structures disposed on the substrate structure, and at least one fixing key structure disposed on the substrate structure. The antenna unit... Agent: Auden Techno Corp.

20120146818 - Electronic apparatus that detects different kinds of operations on rotational operation member: A mechanism enabling an electronic dial to operate without generating a click noise. The dial includes a rotational operation member that is turnable. A rotary plate is rigidly secured to the operation member. The rotary plate is formed of a conductive material and has a plurality of detecting portions circumferentially... Agent: Canon Kabushiki Kaisha

20120146820 - Pipelined analog digital convertor: Disclosed is a pipelined analog-to-digital converter which includes a digital correction circuit configured to measure and correct a pipelined conversion stage gain error and an offset error due to a finite voltage gain operational amplifier and capacitor mismatch. The pipelined analog-to-digital converter includes a pipelined conversion stage error measuring and... Agent: Electronics And Telecommunications Research Institute

20120146821 - Pipelined analog digital convertor: Disclosed is a pipelined analog-to-digital converter which includes a digital correction circuit configured to improve the complexity of a logic circuit for dividing a correction period and a no-correction period of a digital output. The pipelined analog-to-digital converter performs a logic correction operation via binary shifting at data error correction.... Agent: Electronics And Telecommunications Research Institute

20120146819 - Sigma-delta difference-of-squares log-rms to dc converter with forward path multiplier and chopper stabilization: A sigma-delta (ΣΔ) difference-of-squares LOG-RMS to digital converter for true RMS detection by merging a ΣΔ modulator with an analog LOG-RMS to DC converter based on a difference-of-squares. Chopper-stabilization, implemented through commutators running at two different frequencies, can be employed to reduce sensitivity to DC offsets and low-frequency errors, resulting... Agent: National Semiconductor Corporation

20120146822 - Successive approximation register analog-to-digital converter and analog-to-digital conversion method using the same: A Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) includes a Sample-and-Hold Amplifier (SHA) for sampling and holding an externally input analog voltage, a comparator for comparing a level of the sampled and held analog voltage with a level of an analog signal corresponding to n bits and generating a comparison... Agent:

20120146824 - Sigma-delta difference-of-squares log-rms to dc converter with forward and feedback paths signal squaring: A sigma-delta (ΣΔ) difference-of-squares LOG-RMS to digital converter” by merging a traditional ΣΔ modulator with an analog LOG-RMS to DC converter based on a difference-of-squares concept. Two basic architectures include one based on two squaring cells in the feedforward and feedback paths and a second based on a single squaring... Agent: National Semiconductor Corporation

20120146823 - Sigma-delta difference-of-squares rms to dc converter with multiple feedback paths: Architectures of ΣΔ difference-of-squares RMS-to-digital converters employing multiple feedback paths. Additional feedback paths enable a stable ΣΔ closed-loop behavior in different topologies where the RMS level of the quantization error processed by the squaring non-linearity is minimized. Such feedback paths include lowpass filtered and constant gain feedback paths, lowpass and... Agent: National Semiconductor Corporation

20120146825 - Cyclic digital-to-analog converter (dac) with capacitor swapping: A cyclic digital-to-analog converter includes a first capacitor and a second capacitor. Switching circuitry is selectively configurable to connect the first and second capacitors is at least two modes of operation, wherein a first mode uses the first capacitor during conversion of a bit as a sampling capacitor and uses... Agent: Stmicroelectronics Asia Pacific Pte Ltd

20120146826 - Device and method for controlling reference voltage of digital-to-analog converter: The present invention relates to device and method for controlling a reference voltage of a digital-to-analog converter for minimizing variation of output voltages among LED driving chips which drive an LED (Light Emitting Diode) backlight.... Agent:

20120146827 - Coding device, device for reprocessing a digital baseband signal or intermediate frequency signal, system and method for external digital coding: The invention relates to a method and a system for external, digital coding of a baseband or intermediate-frequency signal. Initially, a digital datastream is converted in a coding device into a digital-baseband signal in the time domain or into a digital intermediate-frequency signal in the time domain. The digitally generated... Agent: Rohde & Schwarz Gmbh & Co. Kg

20120146828 - Digital-to-analog converter with non-uniform resolution: A circuit includes a digital-to-analog converter with non-uniform resolution for converting a digital signal into an analog signal. The digital-to-analog converter includes high-resolution circuitry, reduced-resolution circuitry coupled to the high-resolution circuitry and a switch coupled to the high-resolution circuitry and to the reduced-resolution circuitry. The switch couples one of the... Agent: Qualcomm Incorporated

20120146829 - Successive approximation register analog to digital converter circuit: Techniques are generally described herein for analog to digital conversion. Some example ADC converters include a unit capacitor array coupled to a reference voltage, where the capacitor array includes multiple capacitors coupled to one another via multiple switches under control of a control block. A comparator, having a first input... Agent: Indian Institute Of Technology Bombay

20120146830 - Analog digital converter: Provided is an analog digital converter (ADC). The ADC includes: a capacitor array generating a level voltage; a comparator outputting a compare signal by comparing the level voltage; and a logic circuit determining digital bits of an analog signal based on the compare signal, wherein the logic circuit determines at... Agent: Electronics And Telecommunications Research Institute

20120146831 - Multi-rate algebraic vector quantization with supplemental coding of missing spectrum sub-bands: In a multi-rate algebraic vector quantizer and quantizing method for coding spectral coefficients of a plurality of frequency sub-bands, a quantizer portion is supplied with the spectral coefficients of the sub-bands. The quantizer portion has a plurality of codebooks each including a plurality of vectors, and first coders of quantizer... Agent:

06/07/2012 > 10 patent applications in 9 patent subcategories. invention type

20120139763 - Decoding encoded data: A method for decoding encoded data. The method includes receiving data encoded by replacing each of a plurality of characters with bit strings. The method also includes recording, on the basis of definition information, at least one of the characters as corresponding to each of the bit lengths, and generating... Agent: International Business Machines Corporation

20120139764 - Continuous time sigma-delta adc with embedded low-pass filter: A filtering analog to digital converter (ADC) includes an integrator receiving at its input an analog input signal. A filtering capacitor at the input of the integrator filters out a large portion of out-of-band interferers in the analog input signal. The integrator produces an output that is quantized to produce... Agent:

20120139765 - Processing system compensating dc offset and gain error: A processing system including a first processing module and a second processing module is disclosed. The first processing module transforms and amplifies a grounded signal to generate a first processed signal and transforms and amplifies a predetermined signal to generate a second processed signal. The second processing module transforms the... Agent: Industrial Technology Research Institute

20120139766 - Digital to analog converter circuits and methods: The present disclosure provides for improved DAC circuits and methods. In one embodiment, a digital-to-analog converter receives a digital signal and outputs a first analog output signal corresponding to the digital signal. A current buffer receives the first analog output signal and generates an analog output current. The current output... Agent:

20120139767 - Charge injection mechanism for analog-to-digital converters: A low-cost charge injection mechanism may enable oversampling to be used on low frequency signals by injecting dither noise into the ADC input. The dither noise can reduce the quantization noise allowing even direct current (DC) signals to be oversampled correctly. A low-cost charge injection mechanism can also be used... Agent: Atmel Corporation

20120139768 - Device and method for the transmission and reception of high fidelity audio using a single wire: An audio device (200) includes a first and second ICs (210) and (250) and a substrate (205). The first IC includes a sigma-delta, A/D converter (218) operable to convert an analog signal (234) into a pulse density modulated signal (236). A pulse density width modulator encoder (222) is operable to... Agent: Dialog Semiconductor Gmbh

20120139769 - D/a converter: A resistor string type D/A converter includes a higher-order decoder to which a digital signal is input, a higher-order resistor string in which a plurality of resistors and a plurality of voltage drawing points are alternately connected between a first reference voltage and a second reference voltage, the higher-order resistor... Agent: Renesas Electronics Corporation

20120139770 - Current sensing circuit: A current sensing circuit including a current sensing unit, a feedback control unit, and a digital output unit is provided. The current sensing unit senses a current and generates a pulse signal according to at least one reference signal and at least one feedback signal. The feedback control unit is... Agent: Himax Technologies Limited

20120139771 - Differential successive approximation analog to digital converter: A differential successive approximation analog to digital converter including: a comparator; a first plurality of capacitors coupled between a corresponding plurality of first switches and a first input of the comparator, at least one of the first capacitors being arranged to receive a first component of a differential input signal;... Agent: Stmicroelectronics Pvt. Ltd.

20120139772 - Pulse phase difference coding circuit: In a pulse phase difference coding circuit, a count unit includes a plurality of partial counters connected to each other in series so that the most significant bit of an output of the previous stage serves as an operation clock of the subsequent stage. A circulation number detecting unit includes... Agent: Denso Corporation

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