Coded data generation or conversion inventions 07/07

20070171097 - Apparatus and method for inputting characters in portable electronic equipment: An apparatus and method are provided for inputting characters in electronic equipment using a limited number of keys. A key input device may include a play/pause key (hereinafter, referred to as a ‘play key’), a repeat key, a record key, up/down/left/right arrow keys, and a confirm key. The key input... Agent: Ked & Associates, LLP

20070171102 - Sequentially decoded low density parity coding (ldpc) forward error correction (fec) in orthogonal frequency division modulation (ofdm) systems: A method is provided for implementing a coding and adaptive modulation scheme for application to a point-to-point orthogonal frequency division multiplexed radio communications link. The method determines estimates of the likelihood of the two least significant bits of the digital representation of an input amplitude being a predetermined logical level.... Agent: Motorola, Inc.

20070171096 - Wireless cursor control device: A wireless cursor control device for use with a computer system includes a main body, a wireless signal receiver, a storing portion and a resilient pad member. The main body generates a wireless signal to control a cursor of the computer system. The wireless signal receiver is swappable to be... Agent: Madson & Austin Gateway Tower West

20070171098 - Phone-independent key expansion module: A button box provides additional keys that can be used in conjunction with a telephone. In one embodiment, a button box is configured by associating it with a telephone and by programming its keys. When a key on the button box is activated, a key press event is sent from... Agent: Fenwick & West LLP

20070171099 - Circuit arrangement and method for recognizing manipulation attempts: A circuit arrangement having complementary data lines of a dual rail data bus, wherein in a regular operating phase the complementary data lines carry complementary signals, and in a precharge phase the complementary data lines assume an identical logic state or the same electrical potential. The circuit arrangement also has... Agent: Dickstein Shapiro LLP

20070171100 - Control circuit for 2 stage converter: A multi-stage voltage converter in accordance with an embodiment of the present invention includes a first stage converter operable to convert an input voltage into a first output voltage, at least one second stage converter operable to receive the first output voltage from the first stage converter and to provide... Agent: Ostrolenk Faber Gerb & Soffen

20070171101 - Reconfigurable switching device parallel calculation of any particular algorithms: A configurable architecture of a calculation device includes at least one individual configurable and/or reconfigurable switching device, whereby the output variables thereof form a time point tn-1 and the input variables of the switching device form a time point tn. Elements are provided in order to control the output variables... Agent: Young & Thompson

20070171103 - Signal level conversion circuit: The signal level conversion circuit has a first terminal for a signal of a low power voltage; a second terminal for a signal of a high power voltage higher than the low power voltage; a level shifter which is disposed in a signal path from the first terminal to the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070171104 - Apparatus for transmitting position detection signal of multi-shaft motor: An apparatus for transmitting a position detection signal of a multi-shaft motor whereby a parallel-form detection signal that is output from position-detecting devices disposed on each of a plurality of motors and used for indicating a motor rotation position can be transmitted to motor drivers for controlling the driving of... Agent: Buchanan, Ingersoll & Rooney PC

20070171105 - Look-up table structure with embedded carry logic: A programmable look-up-table (LUT) structure adapted for carry logic incrementer implementation in an integrated circuit, comprising: three or more data inputs and a carry-in input, said data inputs comprised of consecutive bits in a data string, said carry-in comprised of the increment value to the least order bit of said... Agent: Raminda U. Madurawe

20070171106 - Testing control methods for use in current management systems for digital logic devices: Systems and methods for Current Management of Digital Logic Devices are provided. In one embodiment a method for calibrating a digital logic circuit current management system is provided. The method comprises activating one or more synchronous logic paths of a plurality of synchronous logic paths within the digital logic integrated... Agent: Honeywell International Inc.

20070171107 - Capacitance-to-digital interface circuit for differential pressure sensor: A two phase, second order capacitance-to-digital (CD) modulator includes a first stage sigma-delta integrator that forms charge packets as a function of sensor capacitance during an auto-zero phase and integrates the packets during an integration phase to produce an output voltage. The first stage integrator holds its output voltage during... Agent: Kinney & Lange, P.A.

20070171109 - Continuous-time delta-sigma analog digital converter: The invention relates to a continuous-time delta-sigma analog digital converter for converting an analog input signal (Vin) to a digital output signal (Vout), comprising an analog filter (20), which filters the analog input signal and has at least one integration capacitor (C1, C2, C3), a cycled quantifier (30) which quantifies... Agent: Pearne & Gordon LLP

20070171108 - Foldback free capacitance-to-digital modulator: A capacitance-to-digital (CD) modulator converts capacitance of a differential pressure sensor to a pulse code modulation output signal. The first stage of the CD modulator is a sigma-delta integrator having an auto-zero capacitor connected between an integrator input node and an amplifier input. During an auto-zero phase, a feedback capacitor... Agent: Kinney & Lange, P.A.

20070171110 - Multi stage noise shaping quantizer: The present invention is an multi stage noise shaping quantizer which includes: a first noise shaping quantizer that includes a first local quantizer which quantizes an input signal and a limiter which limits an output range of the first local quantizer, the first noise shaping quantizer performs noise shaping operation... Agent: Wenderoth, Lind & Ponack L.L.P.

20070171113 - Digital-to-analog converter: An analog-to-digital converter has a resistor string that generates a series of voltages that are equally spaced in the middle range of the series and unequally spaced at the upper and lower ends. An upper selector selects voltages at the upper end. A lower selector selects voltages at the lower... Agent: Volentine & Whitt PLLC

20070171111 - Power amplifying apparatus, power combining system and delay measuring method for power combining system: A power amplifying apparatus includes a distributing unit that divides an input digital signal to a plurality of the input digital signals so as to distribute the input digital signals to a plurality of devices respectively, and a synthesizing unit that synthesizing output signals from the devices to output the... Agent: Pearne & Gordon LLP

20070171112 - Robust reference generation circuit for d/a converter: Two reference generation circuits for D/A converter of the present invention generates a plurality of reference voltages characterized by voltage increments between two fixed reference voltages. These generated reference voltages greatly reduces unbalanced charge-injection errors that any fully differential architecture can not remove. The inaccuracy of D/A converters caused by... Agent: Kieun Park Dba Ana Semiconductor

20070171115 - Gate driver, and thin film transistor substrate and liquid crystal display having the same: A gate driver for a liquid crystal display includes a shift register including a plurality of stages for outputting gate drive signals. Each of the stages includes a pull-up circuit for providing the gate drive signal to an output terminal in response to first and second clock signals, a pull-down... Agent: H.c. Park & Associates, PLC

20070171114 - Alternate sampling integrator: An alternate sampling integrator circuit is disclosed that can concurrently sample and integrate signals received at an input. The circuit may include multiple sampling capacitors, an operational amplifier, and multiple switches. The switches switch the capacitors between a sampling mode and an integration mode.... Agent: Medtronic, Inc.

20070171116 - Time-interleaved analog-to-digital converter and high speed signal processing system using the same: A time-interleaved analog-to-digital converter stores in a correction information memory, correction information required to correct an error between signals output by a plurality of N analog-to-digital converters in advance. At this time, in order to enable acquisition of data required for a correction processing within a short period of time,... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070171117 - Signal converter: According to one embodiment of the invention, a method for receiving a first signal in a first plurality of switching elements from a second plurality of switching elements, receiving a second signal in second plurality of switching elements from first plurality of switching elements, alternatively converting a first logic signal... Agent: Blakely Sokoloff Taylor & Zafman

20070171118 - Switch control circuit, ae modulation circuit, and ae modulation ad converter: A switch control circuit turns on/off second and third switches, while turning off/on first and fourth switches, in a complementary manner in an integrator constituted by using a switched capacitor including the first to fourth switches and, where the first and fourth switches are turned off and the second and... Agent: SocalIPLaw Group LLP

20070164878 - Apparatus and method for inputting information: An apparatus for inputting information is disclosed. The apparatus includes a first sensor operably configured to be mounted on a user's thumb and a plurality of sensors operably configured to be mounted on the user's fingers, such that the user can move the user's thumb and/or fingers to cause contact... Agent: Kolisch Hartwell, P.C.

20070164879 - Computer keyboard assembly having separable top and bottom modules: A computer keyboard assembly includes a bottom module connected separably to a top module. The bottom module has a top wall formed with through holes registered respectively with key caps mounted movably on the top module, a wiring board provided with electrical contacts, an actuating unit disposed on the wiring... Agent: Frommer Lawrence & Haug

20070164880 - Method and structure for lossy compression of continuous data with extensible motifs: A method (and structure) of data processing in which data is represented in a lossy data format as a plurality of extensible motifs. Each extensible motif has at least one don't-care character enclosed by at least one non-don't-care character on a left side and at least one non-don't-care character on... Agent: Mcginn Intellectual Property Law Group, PLLC

20070164881 - Precision-resolution constrained coding scheme: A coding scheme for data is presented in which data is encoded and decoded such that a sequence of unconstrained input binary symbols, such as 1's and 0's, is encoded into a representation according to an alphabet comprising allowable time intervals between adjacent input binary symbols according to a precision... Agent: Townsend And Townsend And Crew, LLP

20070164882 - Identification of text: A method of generating a code representative of a passage of text uses in the preferred embodiment the character spacing between respective occurrences of a selected key symbol string within the text. The string may be fixed, or may encompass a variety of different forms. By comparing the known code... Agent: Schwartz Cooper CharteredIPDepartment

20070164883 - Method and device for transmitting data over a plurality of transmission lines: In the case of a method and a device for transmitting data units by way of a transmission medium that comprises at least three adjacent transmission lines, first of all a plurality of codes is supplied. Each code has a number of code sections that corresponds to the number of... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070164884 - Clock pulse generator apparatus with reduced jitter clock phase: Clock pulse generator apparatus comprising a clock pulse generator for generating a train of primary clock pulses having leading and trailing edges. A delay line produces a train of delayed clock pulses presenting delayed edges whose timing relative to corresponding edges of the primary clock pulses is defined by the... Agent: Freescale Semiconductor, Inc. Law Department

20070164885 - Systems and methods for controlling transient response in the output of a noise shaper: Systems and methods implemented in a multi-bit digital noise shaper for reducing or eliminating undesirable transient response when the noise shaper exits a clipping state. In one embodiment, the noise shaper includes a quantizer, a filter, and a filter control unit that detects clipping in the quantizer and dynamically adjusts... Agent: Law Offices Of Mark L. Berrier

20070164886 - Analog level meter and method of measuring analog signal level: An analog level meter and a method of measuring an analog signal level may be provided. The analog level meter may include a comparator, a duty counter, an analog level detector and/or a digital to analog converter (DAC). The comparator may compare a voltage level of the analog signal with... Agent: Harness, Dickey & Pierce, P.L.C

20070164887 - Programmable reference voltage generator: A reference generator circuit has a resistor string between the potentials of the power supply voltage that is partitioned into a top string, a middle string, and a bottom string. PFET devices are used to couple the positive power supply voltage a selected node of the top string in response... Agent: Ibm Corp (wsm) C/o Winstead Sechrest & Minick P.C.

20070164888 - Robust reference generation circuit for a/d converter: Two reference generation circuits for A/D converter of the present invention generates a plurality of reference voltages characterized by voltage increments between two fixed reference voltages. These generated reference voltages greatly reduces unbalanced charge injection errors that any fully differential architecture can not remove. The inaccuracy of A/D converters caused... Agent: Kieun Park Dba Ana Semiconductor

20070164890 - Semiconductor device: The semiconductor device includes: an A/D conversion circuit; a digital processing circuit for performing processing based on conversion results of the A/D conversion circuit; and an output terminal for testing for outputting the conversion results of the A/D conversion circuit externally. The output of the conversion results from the output... Agent: Mcdermott Will & Emery LLP

20070164889 - Reference circuits for sampled-data circuits: A switched capacitor circuit includes a first level-crossing detector to generate a level-crossing detection signal when an input signal crosses a first predetermined level. A first waveform generator generates a first predetermined waveform and a second waveform generator generates a second predetermined waveform. A second level-crossing detector generates a second... Agent: Gauthier & Connors, LLP

20070164891 - Pipelined analog-to-digital converters: A pipelined analog to digital converter comprises a first ADC stage that receives one of an input voltage and a first residue voltage and a first voltage reference and that generates a first digital signal and a second residue voltage. A second ADC stage receives the second residue voltage from... Agent: Harness, Dickey & Pierce P.L.C

20070164892 - Method and device for controlling quantization scales of a video encoding bit stream: According to the exemplary embodiment of the present invention, a method for controlling quantization scales when encoding video signals is disclosed, which comprises: (a) generating a new quantization scale; and (b) comparing the new quantization scale with a prior quantization scale, and if the difference between the new quantization scale... Agent: North America Intellectual Property Corporation

20070159362 - Hand-held electronic equipment: A hand-held electronic equipment adapted to receive data input is disclosed, comprising an oblong main body, a display arranged on said main body, said display being adapted to display a keyboard with a plurality of symbols, and a selecting device arranged on said main body, said selecting device enabling a... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20070159363 - Self-scan programmable keypad interface: Various embodiments are disclosed relating to a self-scan programmable keypad interface. In an example embodiment, an apparatus is provided that includes a processor, and a keypad interface circuit. The keypad interface circuit may include a detection circuit to detect when one or more keys of a keypad have been pressed,... Agent: Brake Hughes Bellermann LLP

20070159364 - Data identification method and apparatus: A data identification method including: a first step; a second step; a third step; and a fourth step, and the third and fourth steps being repeated until an identification result included in the table of recording modulation codes is obtained at the third step.... Agent: Robert J. Depke Lewis T. Steadman

20070159365 - Data identification method and apparatus: Disclosed herein is a data identification method for identifying, from within a readout signal from a recording medium on or in which user data of k bits are recorded using a recording modulation code wherein m bits from among n bits which compose one codeword have a value of “1”... Agent: Robert J. Depke Lewis T. Steadman

20070159366 - Character conversion methods and systems: Computer-implemented character conversion methods. Characters encoded in a first character set are acquired. The first character set conforms to Unicode Worldwide Character Standard and each character is encoded in first character codes according to the first character set. The first character codes of each character are then converted to numeric... Agent: Birch, Stewart, Kolasch & Birch, LLP

20070159367 - Code sequence generation method, modulation apparatus, modulation method, modulation program, demodulation apparatus, demodulation method, demodulation program and storage medium: A modulation apparatus includes: a modulation section that modulates, in accordance with a correlation table where a data sequence with a predetermined number of bits is associated with a code sequence with a predetermined number of bits, the data sequence into the code sequence to allow a predetermined demodulation section... Agent: Robert J. Depke Lewis T. Steadman

20070159368 - Information processing apparatus and information processing system: For providing a user a plural number of trans-coding services with using a plural number of trans-coding services, at high speed, within a home network environment, an information processing apparatus is provided with a function of providing a list of formats, on which format conversion can be made, to a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070159369 - Method and apparatus for photonic digital-to-analog conversion: A method and apparatus for receiving a digital signal having a plurality of significant bits of resolution. The apparatus includes a mode locked laser comprising a single output. The apparatus also includes a beam divider operable to receive the single output. The apparatus also includes a plurality of optical modulators... Agent: Naval Research Laboratory Associate Counsel (patents)

20070159370 - Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters: A digital to analog converter (DAC) includes a first continuous-time stage that receives an input signal associated with a digital signal and performs continuous-time digital-to-analog conversion operations on the input signal. The first continuous-time stage outputs a first output signal. A second switched-capacitor stage receives the first output signal and... Agent: Gauthier & Connors, LLP

20070159371 - Wireless audio data transmitting and receiving apparatus using human body: Wireless audio data transmitting and receiving apparatus using human body is disclosed. An audio signal outputted from a portable audio player is converted by the digital audio interface technology without a wire or an antenna, is transferred through human body using only a single signal electrode at high speed, and... Agent: Oliff & Berridge, PLC

20070159372 - Bio-impedance sensing device for homecare and ehealth: The innovation is an on-line self-operated pressure point impedance measuring device. The device will be quantifying the impedance of measured pressure point into digital format. The qualified impedance data will be able to on-line interface to a PC computer for recording and further application using USB protocol. The configuration of... Agent: Rabin & Champagne, P.C.

20070159373 - High voltage digital driver with dynamically biased cascode transistors: A high voltage digital output driver with dynamically biased cascode transistors is disclosed. The cascode transistors are dynamically self-biased via capacitors from the output voltage. The dynamic self-biasing doesn't require any switching means. The output-voltage can be increased by adding additional self-biased cascode transistors. The static current consumption in low-state... Agent: Stephen B. Ackerman

20070159374 - Pipeline analog-to-digital converter capable of sharing comparators: A pipeline analog-to-digital converter including: a first conversion module, a second conversion module, at least a comparator, a first switch module and a second switch module. The first conversion module includes a first storage unit and a first multiplying digital-to-analog converter (MDAC). An input end of the second conversion module... Agent: North America Intellectual Property Corporation

20070159375 - Image compression and decompression: Techniques employable to compress and decompress images are presented herein.... Agent: Microsoft Corporation

20070152853 - Dictionary-based compression of melody data and compressor/decompressor for the same: A data format for a dictionary-based compressed melody data includes a command part and a data part. The command part includes an index for designating an indexed dictionary entry in a dictionary and indicators for indicating modification/update options for the dictionary. The data part is used to modify the indexed... Agent: Lawrence Eisen C/o Paul, Hastings, Janofsky & Walker, LLP

20070152852 - Network integrated data compression system: A data compression system enables user-level applications to compress and decompress files to save storage space even for user-level applications that are not modified to use compressed files. User preferences associated with a user terminal are established for the compression of data, e.g. video data, wherein the user preferences comprise... Agent: Glenn Patent Group

20070152851 - Encoding/decoding device: A general-purpose processor expands and transmits to a volatile memory compressed program data and compressed parameter data stored in a nonvolatile memory. The DSP processor reads the expanded program data and the expanded parameter data into a program memory and the data memory of the DSP processor, respectively, and then,... Agent: Mcdermott Will & Emery LLP

20070152854 - Forgery detection using entropy modeling: In accordance with one or more embodiments of the present invention, a method of determining a suspect computer file is malicious includes parsing a suspect file to extract a byte code sequence, modeling the extracted byte code sequence using at least one entropy modeling test where each modeling test provides... Agent: Macpherson Kwok Chen & Heid LLP

20070152855 - Digital remastering system and method: A remastering system may up-convert the sample rate of an input sampled value digital program signal (DPS), generate harmonics of the up-converted signal at the sample rate of the up-converted signal, add the harmonics to the up-converted signal, and filter the resulting signal to produce a remastered signal having enhanced... Agent: Foley & Lardner

20070152856 - Encoder count error detection circuitry and encoder count error detection method: To provide encoder count error detection circuitry and an encoder count error detection method capable of realizing a highly reliable encoder by providing detection of the count errors of count signals used to measure displacement, an encoder count error detection circuitry and detection method configured as count error detection circuitry... Agent: Kenyon & Kenyon LLP

20070152857 - Delta-sigma dac: A Delta-Sigma DAC is provided, comprising an interpolator, a Delta-Sigma modulator, a FIR filter and an analog filter. The interpolator oversamples a n-bit digital signal to generate a n-bit oversampled signal. The Delta-Sigma modulator coupled to the output of interpolator shapes the n-bit oversampled digital signal to generate a shaped... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070152858 - Delta-sigma modulator circuit with limiter and method therefor: A delta-sigma modulator circuit with limiter and method provide extended dynamic range in noise-shaped pulse generators. A limiting circuit is provided to adjust the output of the quantizer of the delta-sigma modulator according to a given range of values. The range is adjusted in conformity with a stored previous value... Agent: Mitch Harris, LLC - Cirrus

20070152859 - Da-converter system and a method for converting a multi-bit digital signal to an analog signal: A DA-converter system comprises the cascade of a multi-bit sigma-delta modulator and a DA-converter. The quantization noise of the sigma-delta modulator is isolated, the isolated quantization noise is word-length reduced in a second noise shaper with frequency independent signal transfer function and the isolated word-length reduced quantization noise is subtracted... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070152860 - Digital to analog converter having a single cyclic resistor string and multiple current sources: A current driven DAC architecture uses a single resistance string arranged to have a cyclic configuration and a plurality of nodes, one of the nodes being connected to a known potential, e.g., ground potential, and at least two current sources connected to selected ones of said nodes through operable switches,... Agent: GlobalIPServices, PLLC C/o Portfolioip

20070152864 - Photodiode digitizer with fast gain switching: An optical receiver and method of operating therfor. A photodiode converts a received optical signal to an electrical signal, which is provided to both high gain and low gain signal paths. First analog-to-digital converter ADC) circuitry is coupled to convert a high gain output signal into a first plurality of... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel (amd)

20070152863 - Digital calibration loop for an analog to digital converter: A method and apparatus to counter effects of an offset voltage by calibrating an analog-to-digital converter (ADC). A digital calibration loop minimizes the effects of offset voltage to improve ADC accuracy as well as provide a low-power, submicron-scale ADC. A calibration circuit senses an ADC output and adjusts a variable... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070152861 - Method and system for detecting failures in an analog-to-digital converter: A method for detecting failures in an analog-to-digital converter includes monitoring a series of outputs from an analog-to-digital converter and detecting a failure in the analog-to-digital converter when a specified number of consecutive outputs comprise a same value.... Agent: Honeywell International Inc.

20070152862 - Modular asic with crosspoint switch: Provided is a digital signal processing device, specifically a modular application specific integrated circuit (“ASIC”), having a programmable crosspoint switch for facilitating data transfer and processing within the circuit. A programmable matrix element is operable to perform advanced matrix operations (arithmetic operations) according to user provided commands. The crosspoint switch... Agent: Lathrop & Gage Lc

20070152865 - Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop: A signal processing system includes an analog-to-digital delta sigma modulator with a duty cycle modulator and a finite impulse response (FIR) filter in a main loop feedback path of the delta sigma modulator. The duty cycle modulator and FIR filter can provide high performance filtering in the main loop feedback... Agent: Hamilton & Terrile, LLP