Coded data generation or conversion inventions 09/07

20070222646 - Input method of electronic devices with a compact keypad: The present invention provides an input method for electronic device with a compact keypad, which comprises plurality of number keys, to which multiple letter groups are assigned respectively. The method for inputting letters comprises the following steps: pressing the number key that corresponds to the letter wished to be inputted;... Agent: Bacon & Thomas, PLLC

20070222644 - Keypad array of portable terminal for input of alphabetic letters: Disclosed herein is a keypad of a portable terminal including an array of a plurality of alpha-numeric key buttons for the input of alphabetic letters of a language, for example, English. The vowel input portion includes a plurality of key buttons, which are allotted with vowels of English alphabet showing... Agent: St. Onge Steward Johnston & Reens, LLC

20070222647 - Method for decoding convolutionally coded signals and decoding apparatus and receiving apparatus using the same: An input unit inputs sequentially bit data, where the bit data is convolutionally coded by a generator matrix defined according to a constraint length and a coding rate and has the number of streams defined by the coding rate. A temporary decoded data shift register unit delays temporary decoded data... Agent: Mcdermott Will & Emery LLP

20070222645 - Method and system for generating electronic keys: A method and system for generating electronic keys. The method comprises providing a plurality of devices and generating an electronic key for each device of the plurality of devices, wherein the electronic keys are generated substantially simultaneously. According to the system and method disclosed herein, the electronic keys for all... Agent: Sawyer Law Group LLP

20070222648 - 9-bit to 10-bit encoder and decoder: The field of the invention is that of serial digital data transmissions. Such digital data is, in particular, of video type. In certain types of transmission, the links used cannot pass direct current. Such is the case in particular with the so-called “AC-coupled” links used in aeronautics for transferring video... Agent: Lowe Hauptman & Berner, LLP

20070222649 - Demodulating apparatus, demodulating method, and computer program: A demodulating apparatus includes a deinterleave processing unit applying deinterleave processing to supplied data for each of parameters necessary in executing deinterleave processing in a time direction, an acquiring unit acquiring parameters with which the data should be processed, and a selecting unit selecting, from the deinterleave processing unit, the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070222650 - Serial interface circuit and apparatus including serial interface circuit: Embodiments include a serial interface circuit, serial interface method and an apparatus including a serial interface circuit. Embodiments of a serial interface circuit can include a frequency divider implemented by using a counter instead of a PLL. One embodiment of a serial interface circuit can include a data receiver to... Agent: The Fleshner Group, PLLC

20070222651 - Method and circuit for amplitude compensation in a digital-to-analog converter: An amplitude-compensated digital-to-analog converter circuit and method of compensation. A unipolar digital-to-analog converter is provided, having a reference connection and a pair of differential, unipolar signal outputs. A sensing circuit senses the common mode component of the differential outputs and produces a common mode signal. A reference source produces a... Agent: William A. Birdwell Birdwell & Janke, LLP

20070222652 - Method and apparatus for replacing a portion of a first digital signal with a second digital signal: Method, system and computer program product for replacing a portion of a digital signal by applying a first difference correction that, after range limiting, converts the samples in the replacement portion to extremum values; then applying a second difference correction based on the difference between the extremum values and the... Agent: Black Lowe & Graham, PLLC

20070222653 - Error reduction in a digital-to-analog (dac) converter: In a method to improve error reduction in a digital-to-analog converter (DAC), comprising a mapping matrix block and a plurality of selectable source units which supply signals that in combination provide for analog output signals, mapping input signals, obtained from digital input signals to be converted into the analog output... Agent: Nxp, B.v. Nxp Intellectual Property Department

20070222654 - Increasing data throughput in optical fiber transmission systems: Data throughput rates are increased in an optical fiber communication system without requiring replacement of the existing optical fiber in a link. Channel throughput is increased by upgrading the components and circuitry in the head and terminal of an optical fiber communication system link. Aggregate throughput in a fiber optic... Agent: King & Spalding LLP

20070222655 - Method and apparatus for an image canceling digital-to-analog converter (dac): A method and apparatus for an image canceling digital-to-analog converter is disclosed. Up-sampling and noise shaping is used to produce a stream of digital sample values at a relatively higher sampling rate than the sampling rate of the digitized input samples, each higher sampling rate sample having fewer bits than... Agent: Mcandrews Held & Malloy, Ltd

20070222656 - Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction: The quantizers of delta sigma modulators in the signal processing systems described herein use a reduced set of comparators for quantization by predetermining and maintaining a maximum per cycle deviation d between a loop filter output signal VLF(t) and a predicted quantizer output signal qest. In at least one embodiment,... Agent: Hamilton & Terrile, LLP

20070222657 - Delta sigma modulators with comparator offset noise conversion: Quantizers of delta sigma modulators include comparators to quantize a quantizer input signal. Each comparator compares a respective reference signal to the quantizer input signal. A logic processing module determines a quantizer output signal based upon the comparison. During subsequent periods of time, a comparator offset converter alters “reference signal-to-comparator... Agent: Hamilton & Terrile, LLP

20070216547 - Method and apparatus for generating non-binary balanced codes: An encoder and method of decoding includes a grouping module that groups an input signal into a plurality of blocks, wherein the plurality of blocks include a current block and at least one prior block, wherein each of the plurality of blocks includes at least N symbols, and wherein each... Agent: Harness, Dickey & Pierce P.L.C

20070216550 - Signal processing method and device: Periodically sampled digital data (e.g., digital audio data) are once stored in a work RAM and are then subjected to signal processing such as arithmetic operations using coefficients. A primary accumulator register stores results of arithmetic operations. A secondary accumulator register is specialized in handling a relatively high processing load... Agent: Rossi, Kimms & Mcdowell LLP.

20070216543 - Method and apparatus for high performance key detection with key debounce: A system for detecting a key with key debounce including a circuit for detecting a key activation; a first counter coupled to the circuit and a clock for testing the key activation for a first predetermined number of clock cycles; a key debounce buffer for storing a key index identifying... Agent: Brake Hughes Bellermann LLP

20070216544 - Absolute position chain encoder: An absolute position encoder for identifying which of a plurality of loci a moveable member occupies comprises a plurality of data tracks in which binary data is encoded to form a series of n-bit words, each of the plurality of loci being associated with one of the n-bit words. A... Agent: Woodard, Emhardt, Moriarty, Mcnett & Henry LLP

20070216545 - Distributed source coding with context: A process for distributed source coding (DSC) using context is presented. By forming contexts from prior coded bitplanes of both a reference and DSC coded peer, the DSC virtual channel is split into several virtual sub-channels of different characteristics. The selection of the sub-channel becomes side information that is known... Agent: Microsoft Corporation C/o Lyon & Harr, LLP

20070216548 - Integrated circuit package including programmable oscillators: An integrated circuit package includes a processing core and an internal oscillator. The processing core operates on a set of instructions to carry out predefined processes. The internal oscillator provides a system clock for the integrated circuit package. The internal oscillator has associated therewith an internal control register for controlling... Agent: Howison & Arnott, L.l.p

20070216546 - Sound-reproducing apparatus and high frequency interpolation-processing method: The invention provides a sound-reproducing apparatus and a high frequency interpolation-processing method in each of which high frequency interpolation processing having a light burden imposed thereon can be executed. Compressed audio data is decoded by a decoder (202a) and the resulting audio signal is transmitted to a harmonizer (209a). Auxiliary... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070216549 - Method for encoded or encrypted bit stream synchronization: An improved method is provided for identifying a repeated codeword in an incoming bit stream. The method includes: receiving an incoming bit stream having an expected codeword repeated a number of times; determining whether a group of incoming data bits correlates to the expected codeword, where each of the incoming... Agent: Harness, Dickey & Pierce, P.L.C

20070216551 - Bluetooth access code assisted initial dc estimation and frame synchronization: A system for calculating DC offset and achieving frame detection is described. In one embodiment, the present invention includes an electronic device with an integrated receiver module. The receiver module can take advantage of a known synchronization pattern such as the Bluetooth access code to determine an initial DC offset... Agent: Mcandrews Held & Malloy, Ltd

20070216552 - Signal reproducing method and device, signal recording method and device, and code sequence generating method and device: It is intended to remove a risk of illegal high quality restoration while enabling trial viewing of contents such as music, to make it possible to reproduce contents with high quality by acquiring a relatively small amount of data, and to make it possible to implement hardware at a lower... Agent: Robert J. Depke Lewis T. Steadman

20070216553 - Memory device: The present invention provides a memory device including a serial-parallel conversion section that converts serial data into parallel data, a parallel-serial conversion section that converts parallel data into serial data, and a parallel-parallel conversion section that changes a bit width of the parallel data. This memory device connects one external... Agent: Cantor Colburn, LLP

20070216554 - Method and apparatus for on-chip measurement of power amplifier am/am and am/pm non-linearity: An apparatus and method for characterizing an amplifier transmitting a band limited signal using a sample of the input signal to the amplifier and a sample of the output signal from the amplifier, where the output signal is sub-sampled. The sub-sampling frequency is chosen such that images of the band... Agent: Tyco Technology Resources Attn: Brian C. Oakes

20070216556 - Counter with correction circuitry: The invention concerns counting circuitry for providing a corrected count value based on the number of rising and falling edges of an input signal occurring during a reference time period, the counting circuitry including a counter arranged to provide a first count value based on one of the number of... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20070216555 - Test apparatus and method for testing analog/digital converters: A method for testing AD converters (10) may have the steps of a) producing a digital test signal, b) producing an analog test signal as input signal for the AD converter (10) from the digital test signal, c) producing a sinusoidal, digital reference signal whose frequency is equal to or... Agent: Baker Botts, L.L.P.

20070216557 - Delta-sigma analog digital converter with offset compensation: The invention concerns a time-continuous delta-sigma analog-digital converter for the conversion of an analog input signal into a digital output signal, comprising an analog filter for the filtering of the analog input signal, a clocked operated quantiser, which contains at least one comparator (34) and which quantises the filtered analog... Agent: Pearne & Gordon LLP

20070216558 - Semiconductor integrated circuit: One input terminals of switches respectively coupled to capacitors of a capacitance array type D/A converter configured as a main DAC are coupled to a first external terminal of an IC. On the other hand, a current switching type D/A converter of a resistance string type D/A converter configured as... Agent: Miles & Stockbridge PC

20070216559 - Digital/analog conversion circuit: A digital/analog conversion circuit includes a plurality of capacitors, a voltage application section, a connection section, and a control section. The control section is operable to perform the charge sharing operation and to collect the charge supplied from the voltage application section. The control section sets, for at least M... Agent: Rader Fishman & Grauer PLLC

20070216560 - Receiver, digital-analog converter and tuning circuit: An object of the present invention is to provide a receiver, a digital-analog converter and a tuning circuit in which temperature compensating components can be formed on a semiconductor substrate while reducing component costs. An FM receiver 100 is constituted by including an antenna 1, a high frequency receiving circuit... Agent: Patenttm.us

20070216561 - Voltage random access memory (vram): An integrated circuit memory cell and voltage ladder design that adapts techniques typically applied to Static Random Access Memory (SRAM) circuits to implement a compact array of analog Voltage Random Access Memory (VRAM) locations. The memory cells in the VRAM each store a digital value that controls a corresponding switch.... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20070216564 - Ad converter device, physical quantity distribution detecting unit and imaging apparatus: An AD converter device is provided. In the AD converter device, a plurality of differential comparators operable to compare an analog signal with a slope like reference signal is arranged, and with reference to a comparison output of the plurality of the differential comparators, the analog signal is converted in... Agent: Robert J. Depke Lewis T. Steadman

20070216563 - Bit-adjacency capacitor-switched dac, method, driver and display device: A cyclic digital to analog converter (CDAC) includes: first and second capacitors C1 and C2; an arrangement of switches selectively controllable to connect C1 and C2 in one of at least two charging-and-sharing configurations, the first configuration having the first capacitor C1 as a charging capacitor CCH and the second... Agent: Harness, Dickey & Pierce, P.L.C

20070216562 - Integrated dsp for a dc offset cancellation loop: Processes and apparatuses for direct current (DC) offset cancellation using digital signal processing. Some embodiments of the invention are summarized in this section. In one embodiment, a circuit includes: an analog receiver; and a feedback circuit comprising a digital signal processor coupled with the analog receiver to generate a feedback... Agent: Ivy Y. Mei

20070210939 - Character input apparatus and method of portable terminal: A character input method of a portable terminal includes detecting a pressing of a character button; determining if the detected character button is pressed together with a select button; and inputting a character corresponding to the select button among characters assigned to the detected character button according to an alphabet... Agent: The Farrell Law Firm, P.C.

20070210941 - Apparatus and method for receiving signal in a communication system: An apparatus and method for receiving a signal in a signal reception apparatus of a communication system is provided. The signal reception method includes receiving a signal, and decoding the received signal using a Low Density Parity Check (LDPC) decoding scheme according to the number of quantization bits.... Agent: The Farrell Law Firm, P.C.

20070210942 - Hardware efficient implementation of finite impulse response filters with limited range input signals: Disclosed herein is a method and system to reduce the area and power dissipation in digital filters or multipliers Compared to radix-4 Booth coding the proposed method reduces the number of partial products by one, if the input signal has certain limits on its range. One exemplary application is echo... Agent: Mcandrews Held & Malloy, Ltd

20070210940 - Method of efficient direct sequence spread spectrum signal encoding and apparatus therefore: A method and system for spread spectrum encoding and decoding of data is disclosed relying on a look-up table. A stream of bits are received for being one of encoded and decoded. The bits are segmented into words of a predetermined size. For each word, a value is determined from... Agent: Leslie Rubinstein

20070210943 - Channel coding method with corresponding code and demodulation and decoding method and means: A coding/decoding system and method are disclosed. Coding, as used herein, refers assigning values to cells. Information to be coded is processed stepwise in information pieces, with bitwise processing (single information bits as information pieces) as a special case. According to an illustrative embodiment, bitwise coding/decoding is disclosed. A predefined... Agent: Bond, Schoeneck & King, PLLC

20070210944 - Method and circuit for recovering a clock: The present invention relates to a method for recovering a clock from a run-length-coded data stream, said method making it possible for a phase-locked loop to lock in a rapid manner, and also to a circuit for implementing the method. An inventive method for recovering a clock from a run-length-coded... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070210945 - Personal multiple-identification device: A major drawback to the proliferation of RFIDs in, for example, a retail environment, is that patrons are wary of how much information about them will be transmitted to a proprietor, and how that information will be used. Such privacy concerns are seen as one of the biggest hindrances to... Agent: Philips Intellectual Property & Standards

20070210946 - Apparatus for error compensation of self calibrating current source: An apparatus for error compensation of a self calibrating current source adapted for compensating errors of at least one self calibrating current source. The compensation apparatus includes an imitative self calibrating current source, a current source reference apparatus and an error compensation apparatus. The imitative self calibrating current source is... Agent: Jianq Chyun Intellectual Property Office

20070210948 - Sigma-delta modulator: A sigma-delta modulator is disclosed. The sigma-delta modulator includes a first integrator, a second integrator, an analog-to-digital converter, a digital-to-analog converter (DAC), and a compensating device. The first integrator receives an input signal for generating a first output signal. The second integrator receives the first output signal for generating a... Agent: Birch Stewart Kolasch & Birch

20070210947 - Method and apparatus for adc size and performance optimization: A sigma delta analog-to-digital converter (ADC) to convert an analog converter input signal to a digital converter output signal. Multiple integrator stages, including at least a first and a final one, each receive an analog input signal and an analog feedback signal and output an integrated signal. The integrator stages... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20070210949 - Regulator of a digital-to-analog converter and related converter: A regulator for a digital-to-analog converter having in input a digital signal and suitable for providing an analog signal in output, the regulator including at least one pair of buffers having in input the digital signal and the outputs connected to a pair of circuit branches connected to the output... Agent: Seed Intellectual Property Law Group PLLC

20070210950 - Nine-position resistor ladder switch assembly: A switch assembly is provided for use on a vehicle having a source of supply voltage. The assembly comprises a switching network having an input terminal configured to be coupled to the supply voltage and an output terminal. The network comprises: (1) nine series-coupled resistors coupled between the input terminal... Agent: General Motors Corporation Legal Staff

20070210951 - Variable resolution a/d converter: A variable resolution analog-to-digital converter includes a sample-and-hold circuit including a plurality of sample-and-hold units which are connected in parallel and selectively activated corresponding to a required resolution to sample and hold an analog input signal, a plurality of conversion stages connected in cascade to an output of the sample-and-hold... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070205926 - Interface circuit and binary data transfer method: An interface circuit capable of controlling a noise margin and a time margin for producing an output a binary data is realized. The circuit comprises a detecting unit for detecting a transition state of logic levels in received binary data corresponding to preceding two clock signals, an output signal producing... Agent: Young & Thompson

20070205919 - Changeable panel structure: A panel structure applicable to casing of a notebook computer has different cover plates to perform different input modules. The panel structure includes a base and a cover plate. The base is for settling a touch pad, a first group of keys and a second group of keys. The cover... Agent: Birch Stewart Kolasch & Birch

20070205920 - Apparatus for inputting characters and method thereof: An apparatus for inputting characters and method thereof are disclosed, by which a character can be inputted at high speed in a manner of implementing a new character set and by which a character can be inputted at high speed using a new character set and a rotatable moving key.... Agent: Birch Stewart Kolasch & Birch

20070205921 - Four-symbol parallel viterbi decoder: High-speed decoding with minimal footprint is achieved by parallel, separate, Viterbi decoders each processing a pair of symbols for each trellis. A two-decoder embodiment for a base band chip is utilizable for ultra wideband communication.... Agent: Philips Intellectual Property & Standards

20070205923 - Information transmitting device: In an information transmitting device, a variable capacitor which is charged to have a predetermined voltage discharges through a predetermined resistor. Until the voltage becomes lower than a predetermined threshold voltage, the number of AC signals having a predetermined frequency is counted. Accordingly, first continuous amount information of a binary... Agent: Berenato, White & Stavish, LLC

20070205924 - Method and system for performing streaming of encoded data: A computer readable medium encoded with a computer program for performing streaming of character-based data from a storage system is provided. The computer program comprises code for fetching a block of data from the storage system, wherein the character-based data includes the block of the data; converting a portion of... Agent: Sawyer Law Group LLP

20070205922 - Mtr encoding method, mtr decoding method, mtr encoder, mtr decoder, and magnetic recording device: An MTR encoder includes convolution units that perform convolution of input data using additional bits, MTR encoding units that MTR-encode data obtained by the convolution units, RDS calculating units and on-bit sequence checking units that calculate RDSs and counts the number of sequential on-bits of the data MTR-encoded by the... Agent: Greer, Burns & Crain

20070205925 - Compression and data encoding for transmission over a character-based protocol: ACARS systems and methods for compiling messages includes a processing device configured for mapping eight-bit characters in an eight-bit character stream into a six bit map to create a generally six-bit character stream. The processing device is further configured for encoding the generally six-bit character stream into an eight-bit character... Agent: Honeywell International Inc.

20070205927 - Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method: In a bit stream syntax containing compressed video slice data for compressed video data of a slice structure, a slice header for compressed video slice data has attached thereto a slice start code, a register reset flag indicating whether a register value, which designates a status of a codeword occurring... Agent: Birch Stewart Kolasch & Birch

20070205929 - Method and apparatus for improved multimedia decoder: Embodiments include systems and methods of improving processing in a decoder in a multimedia transmission system. Multimedia data may include one or more of motion video, audio, still images, or any other suitable type of audio-visual data. One embodiment includes a system and method of parsing fixed and variable length... Agent: Qualcomm Incorporated

20070205928 - Moving picture coding and/or decoding systems, and variable-length coding and/or decoding system: A coding and/or decoding system includes: a code-word table for storing therein a plurality of code words, which are capable of being decoded both in forward and backward directions and which are formed so that delimiters of the code words are capable of being identified by a predetermined weight of... Agent: Foley And Lardner LLP Suite 500

20070205930 - Method and integrated circuit for increasing the immunity to interference: Disclosed is a method of improving the immunity to interference of an integrated circuit (16) having error signals transferred between a microprocessor chip or multiple processor μC (1) and an additional component (2). For the transfer, a minimum pulse length that is independent of the clock frequency of the microprocessor... Agent: Continental Teves, Inc.

20070205931 - All-digital phase locked loop (adpll) system: An all-digital phase locked loop system for generating an oscillator output signal under control of a digital reference input. The system comprises a digitally controlled oscillator, a digital loop filter for generating a multiple bit digital control signal for the digitally controlled oscillator, a sigma-delta modulator for generating an additional... Agent: Texas Instruments Incorporated

20070205932 - Echo prevention circuit, filter coefficient setting method, and recording medium with program recorded: An echo prevention circuit comprises a filter that is inputted with a first digital signal, the filter outputting second and third digital signals; a first DA converter that converts the second digital signal into a first analog signal and outputs the first analog signal; a second DA converter that converts... Agent: SocalIPLaw Group LLP

20070205933 - Dc-controlled encoding for optical storage system: A loss of performance of slicer adaptation at high capacities due to the mismatch between the exact bits used in the computation of the RDS for the DC-control on the one hand and the often erroneous threshold decisions that are preliminarily made based on the HF waveform on the other... Agent: Philips Intellectual Property & Standards

20070205935 - Digital driver and display device: A digital driver for display devices which can prevent the delay of digital data and the extended transition time of the digital data, and thus can make good display, and a display device including the above-mentioned digital driver are disclosed. The digital driver according to the present invention is constituted... Agent: Nixon Peabody, LLP

20070205934 - Time interleaved analogue/digital conversion device with self adaptive equalisation: The invention relates to an equalized time interleaved analogue digital conversion device. The analogue digital conversion device comprises a number N of analogue digital converters distributed in N channels. Each analogue digital converter has a sampling frequency N times lower than the required sampling frequency. The digital signal is built... Agent: Lowe Hauptman & Berner, LLP