Coded data generation or conversion inventions 11/08

20080291058 - Input device and electronic apparatus having the same: An input device and an electronic apparatus having the same are provided. The input device includes a main body, and a plurality of keys each having a contact part which contacts a pressing unit and a non-contact part which extends from the contact part and is spaced apart from the... Agent: Stanzione & Kim, LLP

20080291059 - Multiple predictions in a reduced keyboard disambiguating system: A computer receives user entry of a sequence of keypresses, representing an intended series of letters collectively spelling-out some or all of a desired textual object. Resolution of the intended series of letters and the desired textual object is ambiguous, however, because some or all of the key presses individually... Agent: Glenn Patent Group

20080291060 - Handheld electronic device having reduced keyboard and multiple password access, and associated methods: A reduced keyboard handheld electronic device and associated method that utilizes a plurality of passwords for controlling access thereto. The handheld electronic device has a non-predictive keystroke interpretation system, such as a multi-tap system. At least one of the passwords is valid and accepted when input using a keyboard of... Agent: Eckert Seamans Cherin & Mellott

20080291061 - System for development of input device: A system for development of an input device capable of implementing an input device of various shapes and functions by providing the same visual, haptic, and audible feedbacks as a product to be massively fabricated when the input device is designed. The system comprises: an input device for receiving a... Agent: Scully Scott Murphy & Presser, PC

20080291062 - Image coding apparatus and method thereof: An image coding apparatus includes a variable length coding section, an arithmetic coding section and a common buffer memory. The variable length coding section inputs image data and outputs a binarized code sequence applied with variable length coding. The arithmetic coding section applies arithmetic coding to the binarized code sequence... Agent: Amin, Turocy & Calvin, LLP

20080291063 - Two-bit tri-level forced transition encoding: An encoding technique is disclosed for mitigating against the effects of Intersymbol Interference (ISI) and DC creep by forcing data transitions at least every two data bits. Two consecutive bits of data in the original non-return-to-zero (NRZ) data stream are grouped and are converted by an encoding circuit into two... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20080291064 - Estimation of timing errors in a time-interleaved analog to digital converter system: A method for estimating a relative time difference vector in a group of digitized signals from a time interleaved analog-to-digital module having a plurality of parallel and time interleaved analog-to-digital converters. The method comprises the steps of selecting (S1) one of said digitized signals as a reference signal, calculating (S2-S3)... Agent: Harness, Dickey & Pierce, P.L.C

20080291065 - Wyner-ziv coding with multiple side information: A Wyner-Ziv coding scheme jointly utilizes multiple side information at the decoder is described. A new probability model is introduced based on an extended turbo decoding trellis, so that the transitional probability is calculated from the probabilities conditioned on multiple side information. The proposed scheme handles multiple side information in... Agent: Lee & Hayes PLLC

20080291067 - Automatic range shift system and method for an analog to digital converter: Automatic range shifting for an analog to digital converter (ADC) includes combining an external analog input and a DAC output to provide an input to the ADC, detecting whether the range of the output of the ADC is above a predetermined upper range limit or below a predetermined lower range... Agent: Iandiorio And Teska

20080291066 - Composite analog to digital receiver with adaptive self-linearization: Generating a distortion corrected digital signal includes converting an analog signal to a plurality of digital signals; generating a composite signal based on the plurality of digital signals; wherein there is an offset between a first one of the plurality of ADC outputs and a second one of the plurality... Agent: Van Pelt, Yi & James LLP

20080291068 - Current output circuit with bias control and method thereof: A current output circuit with bias control and a method thereof are provided. The current output circuit includes a current mirror circuit comprising a first transistor and a second transistor having respectively two drains, and a control circuit coupled to the current mirror circuit. The control circuit receives drain voltages... Agent: Volpe And Koenig, P.C.

20080291069 - Delta sigma modulator: In a delta sigma modulator including first and second integration circuits connected in cascade, each as a component thereof, first and second power source terminals for supplying first and second different power source voltages to the first and second integration circuits are provided. The first power source voltage is supplied... Agent: Dickinson Wright PLLC

20080291070 - Digital/analog converter and transmitter: According to an embodiment of the invention, there is provided a digital/analog converter includes: a decoder that converts a (n−1)-phase input digital signal to a n-phase output digital signal; and a signal generating unit that generates analog signals according to the n-phase output digital signal.... Agent: Amin, Turocy & Calvin, LLP

20080291071 - System and method for analyzing dynamic cpu voltage: Systems and methods are disclosed for monitoring a voltage supplied by a voltage regulation module to a processor in response to a dynamic VID generated by the processor. In one embodiment, a voltage monitoring system monitors the voltage generated by the voltage regulation module to ensure the supplied voltage is... Agent: Ibm Corporation (ss/nc) C/o Streets & Steele

20080291072 - Analog-digital converter and image sensor: An analog-digital converter performs AD conversion of an upper m bits by sequential comparison, and performs AD conversion of a lower n bits by integration. This increases accuracy, reduces power consumption during operation, reduces variation between analog signals and digital signals, and reduces the required layout area by decreasing the... Agent: Harness, Dickey & Pierce, P.L.C

20080291073 - Parallel-type a/d converter: According to one embodiment, a parallel-type A/D converter includes a reference voltage generating circuit which generates a plurality of reference voltages, a plurality of preamplifier circuits which amplify a potential difference between each of the reference voltages and an analog input voltage, a plurality of comparator circuits which compare sizes... Agent: Knobbe Martens Olson & Bear LLP

20080291074 - Universal remote control device: A universal remote control device controls both first and second electronic devices that may be remote from each other, via different communication channels. The remote control device is used with an optical fiber network, including a first optical transceiver coupled to the first electronic device, a second optical transceiver coupled... Agent: Fenwick & West LLP

20080284620 - Electronic device having vibration input recognition and method: Disclosed is are a system and a method for accepting user input in the form of movement of an object against a surface of a electronic device. The movement may take the form of natural writing-style stokes that generate corresponding vibrations. The vibrations may be sensed and analyzed to ascertain... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20080284621 - Method and system for keyboard, sound and mouse (ksm) over lan a/v bridging and a/v bridging extensions for graphics thin client applications: Aspects of a system for keyboard, sound and mouse (KSM) over LAN A/V bridging and A/V bridging extensions for graphics thin client applications may include an I/O controller within an LAN subsystem, which enables generation of response data based on input signals from a keyboard device and/or mouse device that... Agent: Mcandrews Held & Malloy, Ltd

20080284622 - Keyboard for hand-held devices: A hand-held electronic device has a keyboard with a plurality of keys, each key having a substantially flat contact surface extending to the sides of each key. One of the sides of the key is beveled.... Agent: Smart And Biggar

20080284623 - Lossless audio coding/decoding apparatus and method: Provided are a lossless audio coding/decoding apparatus and method. The lossless audio coding apparatus includes a first coder to directly code first symbols; a second coder module comprising a plurality of second coders to convert the first symbols into second symbols and to code the second symbols; a first selector... Agent: Ladas & Parry LLP

20080284624 - High-rate rll encoding: An unencoded m-bit data input sequence is divided into a block of n bits and a block of m−n bits. The block of n bits is divided into a first set of n+1 encoded bits, wherein at least one of P1 subblocks of the first set satisfies a G, M... Agent: Ibm Corporation Intellectual Property Law Department

20080284625 - Reducing power consumption in the early stages of a pipeline sub-adc used in a time-interleaved adc: A stage of a pipelined ADC used as a sub-ADC in a time-interleaved ADC is operated using a first set of clock signals, with a next stage being operated using a second set of clock signals. The first set and second set of clock signals are designed to cause the... Agent: Texas Instruments Incorporated

20080284626 - Analog-digital converter, solid-state image capturing apparatus, and electronic information device: An analog-digital converter is provided. The analog-digital converter includes: a comparing section for comparing an input signal voltage and an analog ramp voltage in which a voltage level gradually increases; and a latch section for storing a digital value of a digital ramp signal, in which a digital value of... Agent: Edwards Angell Palmer & Dodge LLP

20080284627 - A/d converter for wideband digital communication: Circuitry for providing non-uniform analog-to-digital (“A/D”) signal conversion for wideband signals is provided. The circuitry of the invention is optimized for wideband signals because it does not sacrifice the small-scale resolution of high-probability signal amplitudes while preventing the clipping of low-probability signal amplitudes. The circuitry includes a nonlinear amplifier and... Agent: Ropes & Gray LLP

20080284628 - Delta sigma modulator: A delta sigma modulator includes an oscillatory system having a natural frequency and an electronics and a control loop which acts upon the electronics from the oscillatory system and again upon the oscillatory system from the electronics. The control loop provides that a gain in the control loop demonstrates a... Agent: Kenyon & Kenyon LLP

20080284629 - Dac module and applications thereof: A digital to analog conversion (DAC) module includes a digital to analog converter, a sample and hold circuit, and a switch module. The digital to analog converter is coupled to convert a digital signal into an analog signal. The sample and hold circuit is coupled to sample the analog signal... Agent: Garlick Harrison & Markison

20080284631 - Digitizer for a digital receiver system: A digitizer for a digital receiver system includes an input terminal to receive a modulated analog input voltage signal, and an output terminal to provide an output voltage signal being a digital conversion of the input voltage signal. A comparator circuit has an output coupled to the output terminal and... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080284630 - Read signal processing circuit, read signal processing method, and optical disc drive: The present invention provides a read channel and a drive capable of suppressing deterioration in performance of a PLL and a Viterbi decoder by using a DC component eliminating means capable of higher-speed operation than hitherto. The location of an edge is determined by using differential of a read signal,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080284633 - A/d converter circuit and a/d conversion method: An A/D converter circuit uses first and second ring delay lines. The first and second ring delay lines are supplied with input signals, which increase/decrease oppositely from each other with respect to change directions. In each ring delay line, a first counter counts the number of times of circulation of... Agent: Posz Law Group, PLC

20080284634 - Differential amplifying circuit: Disclosed is a differential amplifying circuit including an amplifying circuit, wherein 1) a drain of a sixth transistor is connected to a drain of an eighth transistor, and a drain of a tenth transistor is connected to a drain of a fourth transistor, and 2) a ratio between a total... Agent: Amin, Turocy & Calvin, LLP

20080284632 - Phase domain analog to digital converter: An analog to digital converter that first converts an analog input voltage into first and second periodic signals having a phase difference there between that is a function of the analog input voltage and then introduces the first periodic signal into a forward direction data path through a series of... Agent: Tyco Technology Resources

20080284635 - Transducer device: A transducer device for converting an analog DC voltage signal into a digital signal is provided, with an oscillator device for outputting a first oscillator signal and a second oscillator signal, whereby the oscillator device is formed to generate the first oscillator signal and the second oscillator signal phase-locked to... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080278352 - Systems and methods for changing characters associated with keys: A mobile communication device may include logic configured to provide a first keypad layout via a programmable keypad using a first illumination source, receive a keypad selection and provide a second keypad layout via the programmable keypad using a second illumination source in response to the selection.... Agent: Harrity & Harrity, LLP

20080278353 - Tamper resistant electronic transaction assembly: A tamper resistant user interface device includes a substantially planar sensor. The sensor includes a plurality of user activated membrane switches. At least one multilayer structure is folded around and overlays the planar sensor. The structure includes at least one layer to detect tampering with the sensor.... Agent: HowardIPLaw Group

20080278354 - System and apparatus for dynamically assigning functions for keys of a computerized keyboard based on the analysis of keystrokes: A computer data entry includes a key frame including at least a top plate and a bottom plate, a key motion mechanism for enabling a range of vertical movement of the key, a permanent magnet producing a magnetic field affixed to the key frame, and an electromagnet affixed to the... Agent: Central Coast Patent Agency, Inc

20080278355 - Intrusion detection using a capacitance sensitive touchpad: A capacitance sensitive proximity and touch-sensitive detection device having an XY electrode grid sensor, wherein a compensation matrix is created when the capacitance sensitive touchpad is installed within a PIN Entry Device (PED), wherein the compensation matrix enables the capacitance sensitive touchpad to compensate and be balanced for the operating... Agent: Morriss Obryant Compagni, P.C.

20080278356 - Method and apparatus for channel coding: For controlling the DC-content of a Run Length Limited RLL modulated channel bit stream organized in data blocks, control bits are periodically inserted into control blocks which are dynamically placed and sized near the data block boundaries in such a way as to enable independent dk-encoding of the data blocks... Agent: Joseph J. Laks Thomson Licensing LLC

20080278357 - Data conversion diagnostic bit in a data converter: A data converter (10) for digitizing an analog input signal and providing digital output data at one or more conversion cycles includes a logic circuit (28) for generating a data conversion diagnostic bit (38) having first and second logical states. The data conversion diagnostic bit toggles from one logical state... Agent: Patent Law Group LLP

20080278358 - 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

20080278359 - Analog-to-digital converter offset and gain calibration using internal voltage references: A mixed signal device having an analog-to-digital converter (ADC) with offset and gain calibration using internal voltage references whereby the digital processor calibrates out offset and gain errors in the analog-to-digital converter by adjusting the analog input amplifier gain and offset or with software compensating the digital representations of the... Agent: Baker Botts L.L.P. Attention Of: Paul N. Katz

20080278361 - Asymmetric pwm signal generator, method thereof, and data processing apparatus including the same: A pulse width modulation (PWM) signal generator includes a quantizer for generating a quantized signal by quantizing an input signal, an asymmetric pulse width modulator, and an error correction unit. The asymmetric pulse width modulator generates an asymmetric PWM signal by comparing the quantized signal with a reference signal, with... Agent: Law Office Of Monica H Choi

20080278360 - Performance of a/d converter and receiver: A delta-sigma A/D converter includes a D/A converter realized with a mixed-mode comb filter connected in a feedback loop from the output of the A/D converter to the input of the A/D converter. The D/A converter is configured to predistort a feedback signal. The converter further includes an analogue filter... Agent: Squire, Sanders & Dempsey L.L.P.

20080278362 - Sequence generation for mismatch-shaping circuits: An embodiment of the present invention is a technique to design a DAC. A double-summed-to-zero (DSTZ) graph is created having a plurality of nodes linked by a plurality of directed branches. The DSTZ graph represents a finite state machine (FSM) that generates a sequence for a switching block used in... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080278363 - Data processing method, data processing apparatus, solid-state image pickup apparatus, image pickup apparatus and electronic apparatus: Disclosed herein is a data processing method wherein an analog processing object signal is compared with a reference signal and used to convert the processing object signal into digital data and a counting process is carried out and then a count value at a point of time at which the... Agent: Robert J. Depke Lewis T. Steadman

20080278364 - System for communication and control and method thereof: A system for communication and control is provided. The system for communication and control includes a remote controller and a first controlled device. The remote controller is for outputting a broadcast signal, a lock signal and a control signal. The first controlled device is for receiving the broadcast signal and... Agent: Rabin & Berdo, PC

20080272939 - Method and apparatus for processing character streams: One embodiment of the present invention is a computer readable medium comprising a program for controlling a computer to execute a method for processing a character stream, the method including: (a) forming, responsive to the character stream, a plurality of parallel property bit streams wherein each of the parallel property... Agent: Michael B. Einschlag, Esq.

20080272940 - Method and apparatus for channel coding and decoding: In a channel encoder comprising a dk-encoder stage and a precoding stage, obeyance of a repeated minimum transition runlength constraint is achieved because, between the dk-encoder and the precoder, data are passed through an RMTR encoder which replaces occurrences of a forbidden pattern by a current replacement pattern having the... Agent: Joseph J. Laks Thomson Licensing LLC

20080272941 - System of multi-channel analog signal generation and controlled activation of multiple peripheral devices: The invention provides a system of generation of multi-channel analog output signals, from a single analog input signal, and the controlled activation of peripheral devices responsive to the multi-channel analog output signals. A single-channel to multi-channel analog-to-analog converter is provided to convert the single analog input signal to multiple output... Agent: Blake, Cassels & Graydon LLP

20080272942 - Analog to digital converter and recording medium: An analog-to-digital conversion apparatus includes an interleaving section that aligns the digital data respectively output from a plurality of analog-to-digital conversion sections and generates a data sequence, and a correction arithmetic section that corrects a data value error caused by errors of frequency characteristics of the plurality of analog-to-digital conversion... Agent: Jianq Chyun Intellectual Property Office

20080272943 - Analog-to-digital conversion controller, optical receiving device, optical receiving method, and waveform-distortion compensating device: An optical receiving device of the present invention receives optical signals from an optical transmitting device which uses a modulation format wherein an optical intensity waveform of each symbol is return-to-zero (RZ) pulse, and converts the received optical signals into digital signals by a conversion process of an analog to... Agent: Katten Muchin Rosenman LLP

20080272945 - Control system using a nonlinear delta-sigma modulator with nonlinear process modeling: A control system includes a nonlinear delta-sigma modulator, and the nonlinear delta-sigma modulator includes a nonlinear process model that models a nonlinear process in a signal processing system, such as a nonlinear plant. The nonlinear delta-sigma modulator includes a feedback model that models the nonlinear process being controlled and facilitates... Agent: Hamilton & Terrile, LLP

20080272944 - Feed-forward circuitry and corresponding error cancellation circuit for cascaded delta-sigma modulator: A cascaded delta-sigma modulator includes a first stage delta-sigma modulator (10A) having first adder (2) followed by first (3) and second (6) integrators, a second adder (4), and a quantizer (7) the output of which is fed back to the first adder by an A/D (9). A gain circuit (5)... Agent: Texas Instruments Incorporated

20080272946 - Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection: 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

20080272948 - Circuit and method for dynamically selecting circuit elements: Techniques for dynamically selecting circuit elements to combat mismatches are described. In one design, an apparatus includes first, second, and third circuits. The first circuit receives input data and provides first signals that are asserted based on the input data, e.g., with thermometer decoding. The second circuit receives the first... Agent: Qualcomm Incorporated

20080272949 - Methods and apparatus to control current steering digital to analog converters: Methods and apparatus to control current steering digital to analog converters are described herein. In one example, a digital to analog converter includes a first unit cell including a positive output and a negative output, wherein the positive output of the first unit cell and the negative output of the... Agent: Texas Instruments Incorporated

20080272947 - System clock generator circuit: A system clock generator circuit for use in a D/A converter that allows the clock of any frequency to be inputted and also allows usage limiting-conditions to be simplified. A system clock generator circuit for use in a D/A converter for demodulating one-bit digital input data, which has been obtained... Agent: Cantor Colburn, LLP

20080272950 - Analogue to digital conversion: An analog-to-digital conversion arrangement converting an input analog signal into an output digital representation. Two or more analog-to-digital conversion paths each applying a conversion mapping between input analog signal magnitudes and respective digital values generate an intermediate representation of the input analog signal, the conversion paths being operable to apply... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080272951 - Self-adapting tracking analogue-to-digital converter and rf transmitter: A self-adapting analogue-to-digital converter includes a forward path with a voltage divider coupled to a digital integrator. In a feedback path, a scaler is connected to a digital-to-analogue converter. A control unit provides control signals for the voltage divider and the scaler in response to the output word of the... Agent: Eschweiler & Associates LLC

20080272952 - Rotary clock flash analog to digital converter system and method: System and method for converting an analog voltage to a digital signal. The system includes an input voltage sampler, a ramp generator, a comparator, a time-to-digital converter (TDC), and a multiphase oscillator, preferably a rotary traveling wave oscillator, that provides the critical system timing. The phases of the multiphase oscillator... Agent: Ipx Law Group

20080272953 - Method and system for codebook design for pre-coding techniques: Aspects of a method and system for codebook design for pre-coding techniques may include generating one or more matrices whose matrix elements are from a constant amplitude signal constellation, wherein each of the one or more generated matrices may comprise one or more orthonormal columns, and one of the generated... Agent: Mcandrews Held & Malloy, Ltd