Coded data generation or conversion inventions 04/08

20080094258 - Electronic system with user-operable keys and capability of prompting keys being touched: The invention discloses an electronic system with a plurality of user-operable keys and capability of prompting the keys being touched. An electronic system, according to a preferred embodiment of the invention, comprises a user input device, a prompting device, and a processor. The user input device includes the plurality of... Agent: Hoffman Warnick & D'alessandro, LLC

20080094257 - Input device and personal mobile terminal having the same: The input device provided for an apparatus 1 which is held with a hand of a person, the input device comprising a plurality of input keys 5 which are operated with a finger holding the apparatus 1, wherein in a case where the apparatus 1 having the input device is... Agent: Wenderoth, Lind & Ponack L.L.P.

20080094259 - Context-based encoding and decoding of signals: A system for the context-based for the context-based encoding of an input signal includes a domain transform module and a context-based coding module. The domain transform module is operable to convert the input signal into a sequence of transform coefficients c[i]. The context-based coding module includes a bit-plane scanning module,... Agent: Crockett & Crockett

20080094260 - Logic circuit: A logic circuit that executes a prescribed arithmetic processing includes a decoder that converts one or more binary input data into a first plurality of bit data of a constant hamming weight regardless of a hamming weight of the input data, an interconnect network that is connected to the decoder,... Agent: Foley And Lardner LLP Suite 500

20080094262 - Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method: In a data demodulating method and apparatus, and a code arranging method, a multiplexer multiplexes an input data stream divided by a predetermined length into a plurality of types of pseudo random data streams using multiplexed information of predetermined bits by applying a predetermined multiplexing method to each of the... Agent: Stein, Mcewen & Bui, LLP

20080094261 - Method of code generation, and method and apparatus for code modulation: A method of generating codewords that conform to a run length limited (RLL) constraint represented by (d, k, a, b), where d is a minimum run length of a codeword, k is a maximum run length of the codeword, a is a length of source data, and b is a... Agent: Stein, Mcewen & Bui, LLP

20080094263 - Optical quantizing unit and optical a/d converter: An optical quantizing unit includes an optical divider dividing 1st optical pulses to be quantized and sending the divided 1st optical pulses into a plurality of paths; a plurality of optical filters passing with different transmittances the divided 1st optical pulses; and an optical threshold filter sequentially receiving the 1st... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080094264 - Digital-to-analog converting circuit for power soft-switching: A digital-to-analog converting circuit for power soft-switching, comprising: a metal-oxide-semiconductor field-effect transistor (MOSFET); a digital-to-analog control circuit, for controlling the MOSFET to operate in either the cut-off region, the saturation region or the linear region; a digital control unit, using an output signal so as to control an input current... Agent: Wpat, PC

20080094265 - Arrangement for the synchronous output of analog signals generated in two or more digital-to-analog converters: To achieve a synchronous output of analog signals generated in two or more digital-to-analog (DAC) converters, an adjustable, digital delay device, of which the delay time is adjustable dependent upon the cross-correlation determined between the analog output signals of the digital-to-analog converters, is provided upstream of at least one of... Agent: Marshall, Gerstein & Borun LLP

20080094266 - Reducing noise associated with local reference-potential fluctuations in mixed-signal integrated circuits: An integrated circuit (IC) adapted to (i) measure a voltage differential between a ground potential external to the IC and a ground potential internal to the IC and (ii) based on the measurement result(s), adjust a signal referenced to the internal ground potential to reduce signal error associated with the... Agent: Mendelsohn & Associates, P.C.

20080094267 - Voltage conversion device having non-linear gain: A voltage conversion device has a non-linear gain, for converting analog voltage provided by an analog voltage source. The voltage conversion device comprises a gain decision module, a voltage selection module, and a voltage output module. The gain decision module comprises an analog to digital (A/D) converter and a gain... Agent: North America Intellectual Property Corporation

20080094268 - Ad converter arrangement: In an AD converter a primary ΣA-modulator digitizes the analog input signal. The quantization noise generated thereby is isolated in the analog domain and digitized in a secondary ΣA-modulator. The quantization noise so digitized by the secondary ΣA-modulator is subtracted from the quantization noise in the output of the primary... Agent: Philips Intellectual Property & Standards

20080094271 - Analog-to-digital converter and semiconductor device: An analog to digital converter comprising a reference signal generator, a comparator, and a counter wherein the reference signal generator is operable to generate a reference for converting an analog signal into a digital signal. The reference signal generator is also operable to generate a plurality of the reference signals... Agent: Sonnenschein Nath & Rosenthal LLP

20080094270 - Electronic circuit for the analog-to-digital conversion of an analog input signal: Electronic circuit for the analog-to-digital conversion of the alternative current (AC) component of an analog input signal. The electronic circuit has a coupling device with an input and an outputcoupling device delivers at its output an analog AC signal when the analog input signal is applied to the input. An... Agent: Blank Rome LLP

20080094269 - Interleaved track and hold circuit: The invention relates to an interleaved track and hold circuit for tracking and holding a value of a continuous input signal and to provide discrete values thereof, wherein the circuit comprises a first and a second stage. To avoid tones caused by differences in the non-ideal elements when switching through... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080094272 - Multi-channel sample and hold circuit and multi-channel a/d converter: A multi-channel sample and hold circuit includes an operational amplifier, plural electric charge setting channels. Each of the electric charge setting channels includes an input terminal, an electric charge setting capacitor, an electric charge setting switch connected between the input terminal and the electric charge setting capacitor, a channel separating... Agent: Posz Law Group, PLC

20080088487 - Hand writing input method and device for portable terminal: The present invention provides a method and apparatus of handwriting text input on a portable terminal with a microprocessor, a screen, and a keypad area formed by at least one key, comprising of: Placing at least one sensing unit in the keypad area of the portable terminal to form a... Agent: Dong Li

20080088489 - Key input apparatus of portable terminal: Disclosed is a key input apparatus of a portable terminal which is pushed or slid in various directions so as to make contact with contact pieces. The key input apparatus includes a switch part having a plurality of contact pieces disposed in a circumference of the switch part, the switch... Agent: The Farrell Law Firm, P.C.

20080088488 - Keyboard scan for human interface devices: Methods, apparatuses, and computer-readable media for scanning a keyboard are disclosed. Actuation of each of the keys electrically couples one of a plurality of first lines and one of a plurality of second lines. A first signal is applied to a plurality of first lines. A second signal is applied... Agent: Merchant & Gould PC

20080088491 - Character arrangements, input methods and input device: The present invention relates to character arrangements, input methods and input device. More particularly, the present invention relates to Korean, English and symbols arrangements that are effectively arranged on a limited number of buttons, input methods using the character arrangements and input device thereof. The present invention provides fundamental and... Agent: Cantor Colburn, LLP

20080088490 - Lighting and usability features for key structures and keypads on computing devices: A keypad is provided for a computing device. The keypad includes one or more lighting devices or mechanisms for illuminating a plurality of keys structures. In an embodiment, the plurality of key structures are formed from a milky material.... Agent: Shemwell Mahamedi LLP

20080088492 - Double data rate serial encoder: A double data rate serial encoder is provided. The serial encoder comprises a mux having a plurality of inputs, a plurality of latches coupled to the inputs of the mux, an enabler to enable the latches to update their data inputs, and a counter to select one of the plurality... Agent: Qualcomm Incorporated

20080088493 - Resistor ladder interpolation for pga and dac: A voltage interpolation circuit includes a resistive ladder connected between ground and a voltage input and having a plurality of resistors with voltage taps between the resistors. An amplifier (optionally) has first and second capacitors connected together at their respective first terminals and to an input of the amplifier. A... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080088494 - Electronic circuit protecting against the effect of injection current and analog to digital conversion circuit: An electronic circuit includes a transmission circuit transmitting an input signal of a first node as an output signal of a second node in response to a control signal and a discharge circuit selectively discharging the input signal of the first node in response to the control signal.... Agent: F. Chau & Associates, LLC

20080088495 - Remote operation system: When a television receiver is connected to a DVD player via an HDMI cable, HDMI authentication is carried out. EDID data is then acquired from the television receiver and a manufacturer name is determined. When the manufacturer name is determined to be, for example, “company A”, a table indicating a... Agent: Morgan Lewis & Bockius LLP

20080084335 - Apparatus and method for inputting characters in portable terminal: An apparatus and a method for inputting characters in a portable terminal and are provided. The apparatus comprises an input unit for sensing key input, including character keys for inputting characters and numbers, and a position fixation symbol key for sensing the input of position fixation symbols; a display unit... Agent: The Farrell Law Firm, P.c.

20080084336 - Method of mixed data assisted and non data assisted navigation signal acquisition, tracking and reacquisition: The present invention provides systems and methods for enabling a navigation signal receiver to perform both data assisted and non-data assisted integration to provide better integration during signal acquisition, reacquisition and tracking. In data assisted integration mode, a receiver uses known or predicted data bits to remove the modulated data... Agent: Orrick, Herrington & Sutcliffe, LLP Ip Prosecution Department

20080084337 - Adaptive composite analog to digital converter: A distortion correcting analog to digital converter (ADC) system includes a plurality of ADCs configured to convert an analog signal to a plurality of digital ADC outputs, wherein the plurality of ADCs are configured to generate a composite signal based on the plurality of ADC outputs, there is an offset... Agent: Van Pelt, Yi & James LLP

20080084338 - Analog front end device: The invention discloses an analog front end device includes a calibration unit and at least a conversion circuit. The conversion circuit includes a clamper, a multiplexer, an voltage buffer and an analog to digital converter. The clamper receives an image signal and resets the DC voltage level of the image... Agent: Birch Stewart Kolasch & Birch

20080084339 - Communication channel with undersampled interpolative timing recovery: Method and apparatus for processing transmitted data. A sampling circuit preferably performs lossy sampling of a continuous signal to provide a corresponding sequence of discrete samples at a sampling rate less than a Nyquist rate of the continuous signal. A processing circuit reconstructs an informational content of the continuous signal... Agent: Fellers, Snider, Blankenship, Bailey & Tippens

20080084340 - Dither technique for improving dynamic non-linearity in an analog to digital converter, and an analog to digital converter having improved dynamic non-linearity: An analog to digital converter comprising a conversion engine having redundancy therein; and a dither device for applying a dither to the conversion engine; and a controller adapted to operate the conversion engine to perform a successive approximation conversion of the analog input, and wherein the dither is removed prior... Agent: Wolf Greenfield & Sacks, P.c.

20080084341 - Method, apparatus and system providing imager vertical binning and scaling using column parallel sigma-delta digital conversion: A method, apparatus and system are disclosed for digitizing a plurality of analog pixel signals of a pixel array in a manner which produces a digital signal representing the combination of said plurality of analog pixel signals. A readout architecture performs at least some binning and/or scaling operations in the... Agent: Dickstein Shapiro LLP

20080084342 - Method for enhancing the driving capability of a digital to analog converter: The present invention discloses a method for enhancing the driving capability of a digital to analog converter, wherein a voltage higher/lower than the intended output voltage is used to pre-charge/pre-discharge the capacitor of the output load; when the capacitor is charged/discharged to near the intended output voltage, the operation is... Agent: Birch Stewart Kolasch & Birch

20080084343 - Methods and systems for implementing a digital-to-analog converter: A self-contained DAC that is especially suitable for use as an IP core, particularly for SOC (System on Chip) implementation. Techniques are applied to employ certain circuits (such as arithmetic element 302) to perform multiple functions in the DAC, thereby resulting in space saving. Techniques are also applied to employ... Agent: Ipsg, P.c.

20080084344 - Adc for simultaneous multiple analog inputs: In a multi-channel analog-to-digital converter (ADC), in which the ADC sequentially converts analog values that are input from different analog sensors, separate sample-and-hold circuits may be used to read all the analog values at the same time, and the ADC may then sequentially convert the values from each sample-and-hold circuit.... Agent: Intel Corporation C/o Intellevate, Llc

20080079610 - Key system with two operation nodes for detecting status of keys: A key system utilizes two operation nodes to detect the status of a plurality of keys, and each operation node can output and read a high, a low, and a clock signal. When an operation node outputs a high signal and reads a return signal and then outputs a low... Agent: North America Intellectual Property Corporation

20080079609 - Method for accessing contact information: A method for accessing contact information in an electronic device, such as a mobile phone, including a display and a plurality of keys, where each key represents one or more characters, comprising the steps of detecting a first input on a key, and presenting a contact stored as a speed... Agent: Myers Bigel Sibley & Sajovec, P.A.

20080079611 - Key input device and key scan method: In a key input device, a control section is configured to receives a key return signal as an interrupt signal in a standby mode, to set a normal mode in response to the interrupt signal, and to perform a key scan operation in the normal mode to determine an operated... Agent: Sughrue Mion, PLLC

20080079612 - Request bits estimation for a wyner-ziv codec: Request bits estimation for a Wyner-Ziv codec is described. In one aspect, and prior to communicating Wyner-Ziv parity bits to a Wyner-Ziv decoder, an estimated total number of parity bits to send to the Wyner-Ziv decoder are determined. This estimated number of parity bits allows the Wyner-Ziv decoder to reconstruct... Agent: Lee & Hayes PLLC

20080079613 - Method and device for determining at least one multimedia data encoding parameter: The invention concerns a method of determining at least one parameter for encoding multimedia digital data organized in elementary units of data intended to be encoded according to at least one encoding mode, wherein said method comprises the following steps: —determining at least one elementary magnitude which is representative of... Agent: Fitzpatrick Cella Harper & Scinto

20080079614 - Scrambled block encoder: A block encoder flexibly encodes K codes to produce an encoded data block. The block encoder receives an unformatted block of 10 Gigabit Media Independent Interface (XGMII) data. The unformatted block of data includes data and/or K characters, both of which can be located in any position of the unformatted... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080079615 - Multi-bit data converter using data weight averaging: A method for converting data includes matching dynamic elements by repeatedly selecting a portion of unit elements among N unit elements according to data and a circulation direction. An existence of a tone generation possibility is determined by comparing a present pointer position with a previous pointer position and by... Agent: F. Chau & Associates, LLC

20080079616 - Differential offset correction circuit: An analog-to-digital converter conventionally performing a detection of a differential offset is replaced by a comparator 20. A reference voltage is input to a terminal on one side of the comparator 20 and each of a pair of differentials of a differential voltage signal is input to the other terminal... Agent: Arent Fox LLP

20080079620 - Calculation of adc and dac errors in lsi chip: A semiconductor integrated circuit includes a bus, a CPU connected to the bus, a DAC having a digital input thereof connected to the bus, an ADC having a digital output thereof connected to the bus, a voltage generating circuit, a first switch configured to cause an electrical coupling between an... Agent: Arent Fox LLP

20080079618 - D/a converter: A D/A converter includes: an (N−1)-stage reference resistor group; an N-stage reference resistor group; inter-stage op-amps applying a divided voltage outputted from voltage taps of the (N−1)-stage reference resistor group, across both ends of the N-stage reference resistor group as the Nth reference voltage; a dynamic range expanding means for... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080079617 - Implantable medical device with adjustable sigma-delta analog-to-digital conversion clock rate: An implantable medical device, such as a pacemaker or implantable cardioverter defibrillator, uses digital signal processing channels to process sensed time varying signals representing cardiac activity. Each digital signal processing channels includes a sigma-Delta analog-to-digital converter. The clock rate of each sigma-delta analog-to-digital converter is controlled as a function of... Agent: Medtronic, Inc.

20080079619 - Digital-to-analog converting circuit and digital-to-analog converting method: A digital-to-analog converting circuit includes: 2N or more number of digital-to-analog converting elements converting an input digital code of N+1 (N is an integer equal to or more than two) values to an analog code to output; a selecting section selecting N-number of digital-to-analog converting elements; and a control section... Agent: Amin, Turocy & Calvin, LLP

20080079621 - D/a converter and liquid crystal display device: A D/A converter with reduced power consumption is offered by reducing an amount of electric charges that is charged and discharged as D/A conversion is performed. A terminal of each of four capacitors C1, C2, C3 and C4 is connected to a common node. The capacitors C1, C2, C3 and... Agent: Morrison & Foerster LLP

20080079622 - Pipelined analog-to-digital converter having a power optimized programmable data rate: The present invention is related to a pipelined analog-to-digital converter (ADC) utilizing a power distribution scheme selectively delivering both constant and variable reference currents in selected proportions to a plurality of stages and operational transconductive amplifiers (OTAs). This permits the ADC to maintain an optimized speed over power consumption ratio... Agent: Volpe And Koenig, P.C.

20080079623 - Signal analysis using dual converters and cross spectrum: A technique for examining the frequency content of an analog signal includes sampling the analog signal using two analog-to-digital converters clocked at the same rate but offset with respect to each other by a delay. The technique involves computing a cross spectrum of one converter's output with respect to the... Agent: Law Office Of Bruce D. Rubenstein

20080079624 - Encoder communication circuit: When a communication abnormality occurs between an encoder and communication circuit apparatus in a work apparatus feeding back data output from encoders for control by a control apparatus, an encoder communication circuit is used in place of the encoder to identify the location of occurrence of the abnormality. The encoder... Agent: Lowe Hauptman Ham & Berner, LLP