Coded data generation or conversion inventions 06/06

20060139185 - Input device for a computer system that utilizes ambient light, and a method of manufacturing the same: An input device, to provide input to a computer system, includes a body defining multiple fluid channels. A movable element is located within each of the fluid channels so as to be movable and responsive to a fluid flow through the respective fluid channel. A light sensor is furthermore associated...

20060139186 - 16b/10s coding apparatus and method: A system and method for improving the quality of transmitted digital signals in a multi-level signaling system wherein digital signals representing more than one bit of information may be transmitted at more than two signal levels on a single transmission medium, includes encoding digital values represented by sets of N...

20060139188 - Data compression/decompression device and data compression/decompression method: A first compression unit compresses input data by a first compression method utilizing a dictionary coding method. A second decompression unit compresses input data by a second compression method utilizing a statistical coding method. A size calculation/determination unit pre-calculates sizes of data to be output when the data is compressed...

20060139187 - Pattern-driven, message-oriented compression apparatus and method: A compression and decompression method and apparatus comprising at least one data source providing a stream of data to at least one data destination, employing at least one pattern classifier processing the stream of data of the at least one data source into a single stream of messages and generating...

20060139189 - Gray code conversion method and apparatus embodying the same: A generalized Gray code converter includes a decimal-binary to intermediate-binary converter and an intermediate-binary to Gray code converter. The decimal-binary to intermediate-binary converter is operable to convert a sequence of sets of electrical signals encoded in decimal-binary format (decimal-binary sequence) to a sequence of sets of electrical signals encoded in...

20060139190 - Integrated circuit capable of reduced error calibration: A method according to one embodiment may include generating, by an integrated circuit comprising calibration controller circuitry comprising a comparator, at least one reference voltage. The method of this embodiment may also include calibrating, by the calibration controller circuitry, at least one reference current signal by comparing, by the comparator,...

20060139191 - D/a converter and communication apparatus: A D/A converter includes a plurality of current sources configured to be on or off according to input digital data; a constant voltage source configured to apply a constant voltage to the current sources; current supply wirings provided between the constant voltage source and the respective current source, the current...

20060139193 - Continuous-time-sigma-delta dac using chopper stabalisation: A sigma-delta digital-to-analog converter comprises a current digital-to-analog converter (IDAC) stage which generates a current depending on an input digital signal. An output current-to-voltage converter converts the generated signal to a voltage on a continuous-time basis. The amplifier used in the output current-to-voltage converter is chopper-stabilized. The converter can be...

20060139192 - Differential front-end continuous-time sigma-delta adc using chopper stabilisation: A multi-bit continuous-time sigma-delta analog-to-digital converter (ADC) has a differential input stage which receives an analog input signal current. A multi-bit feedback current digital-to-analog converter (IDAC) generates a multi-level feedback current depending on a digital feedback signal from a flash ADC. An integrator has a differential input that integrates the...

20060139194 - Sigma-delta modulator for pll circuits: A sigma-delta modulator for generating a modulation signal that modulates a frequency division ratio of a comparator/frequency divider of a PLL circuit. Series-connected integrators accumulate an input signal and output overflow signals when their accumulated values exceed a predetermined value. Differentiators transfer the overflow signals of the integrators. An adder...

20060139195 - Cyclic digital to analog converter: A digital to analog converter (DAC) circuit operates least significant bit (LSB) first....

20060139197 - 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...

20060139196 - Switched capacitor circuit type digital/analog converter capable of suppressing change of setting error: In a digital/analog converter of a switched capacitor circuit type including at least one capacitor, at least one power supply terminal, and at least one output terminal, a switch circuit is adapted to carry out a charging operation upon the capacitor so that a charge is stored in the capacitor...

20060139199 - Cyclic analog to digital converter: A cyclic analog to digital converter (ADC) circuit operates to convert an analog input voltage into a digital output word. The ADC circuit includes an amplifier and capacitors configured as an integrator....

20060139198 - Data acquisition system for medical imaging: A system and a method for converting an analog signal to a digital signal are provided. The technique involves receiving a sampled analog signal, and selecting one of a plurality of segments of a segmented relation between DAC output values and desired ADC input values. Desired gain and offset values...

20060139200 - System and method for monitoring environmental conditions: A system and method are disclosed for monitoring environmental conditions of a perishable product. The system includes an environmental sensor configured to sense one or more environmental conditions of the perishable product and an analog integrator in communication with the environmental sensor, the analog integrator being formed on a polymer...

20060132331 - Apparatus and method for decoding a key press: Disclosed is an apparatus for decoding a key press. The apparatus includes an interface that performs conversion between parallel data and serial data and generates an interrupt when a key is pressed. The interface includes an output port, an input port, and a register. The apparatus also includes a key...

20060132332 - Capacitive input device: A input device is provided which includes a clock signal generator that generates a clock signal; a delay unit that has a capacitive sensor where an electrode is formed on a substrate; protective sheets each of which is formed of a dielectric and which are disposed on front and rear...

20060132333 - Apparatus and method for converting control information: Picture and speech communication between plural terminals connected to different networks, such as a circuit-switched network and IP network. A converting apparatus 400 for control information or media information for picture/speech communications is provided across first and second terminals 301, 302 connected to respective different types of networks. Converting apparatus...

20060132334 - Lossless adaptive encoding and decoding of integer data: A method and system of lossless compression of integer data using a novel backward-adaptive technique. The adaptive Run-Length and Golomb/Rice (RLGR) encoder and decoder (codec) and method switches between a Golomb/Rice (G/R) encoder mode only and using the G/R encoder combined with a Run-Length encoder. The backward-adaptive technique includes novel...

20060132335 - Parallel data transmission method and parallel data transmission system: In a data transmission system, a transmitter encodes n-bit transmit data into m-bit code (2n>m>n), and simultaneously transmits the encoded m-bit code via m signal lines. A receiver receives the m-bit code transmitted from the transmitter via the m signal lines, and decodes the received m-bit code into an n-bit...

20060132336 - Character code conversion methods and systems: A conversion method converting characters from a source character set to a destination character set. An index table, a key table, and an encoding table are provided. Source character code of a character is divided into a first part and a second part. A head offset and a tail offset...

20060132337 - Integrated circuit interface that encodes information using at least one input signal sampled at two consecutive edge transitions of a clock signal: An integrated circuit, such as a dynamic RAM, includes a plurality of terminals for coupling to signal lines. One of the signal lines is an input signal line that conveys a clock signal, and at least one other signal line is also an input signal line that conveys information that...

20060132338 - Angle detection signal processing apparatus: A resolver use angle detection IC subjected to a phase lock operation so as to follow not an angle θ(t) for detection, but a phase angle ωot±θ(t) having an offset of a frequency ωot in the phase lock units. For this reason, when the excitation frequency ωot is set sufficiently...

20060132340 - Apparatus and method for time-to-digital conversion and jitter-measuring apparatus using the same: A time-to-digital conversion apparatus reduces the pulse width of a signal to be tested by introducing the signal through a plurality of shrinking cells cascaded until the reduced pulse width cannot drive the next shrinking cell, to generate a group of digital output codes representative of a binary code. The...

20060132339 - Circuit calibration system and method: An integrated circuit device includes one or more calibration paths including one or more devices. A signal generator is coupled to at least one calibration path and configured to provide the calibration path with a calibration signal having known characteristics. A controller is coupled to the signal generator and the...

20060132342 - Modulation apparatus/method, demodulation apparatus/method and program presenting medium: A DSV control bit determining/inserting unit 11 inserts DSV control bits for execution of DSV control into an input data string and outputs the data string including the DSV control bits to a modulation unit 12. The modulation unit 12 converts the data string with a basic data length of...

20060132341 - Systems and methods for mismatch cancellation in switched capacitor circuits: Various circuits, systems and methods are disclosed for providing double-sampling sigma-delta modulator circuits. For example, circuits are disclosed that include an amplifier with an integrating capacitor, a switched capacitor conversion element that includes a single capacitor bank, and a control element that provides phase signaling that identifies at least two...

20060132343 - High speed differential resistive voltage digital-to-analog converter: A differential digital-to-analog voltage converter (VDAC) includes, in part, a resistor, and at least two decoding stages. The resistor is divided into N equal segments each disposed in a different one of N decoders forming a first decoding stage. The resistor segment in each decoder is further divided into M...

20060132344 - Output circuit, digital/analog circuit and display apparatus: An output circuit, a digital/analog conversion circuit and a display apparatus can reduce the number of required input voltages and the number of transistors to save the necessary area. The output circuit and the digital/analog conversion circuit comprise a selection circuit for receiving as input a plurality of (m) reference...

20060132346 - Digital data acquisition system: A digital data acquisition system includes a buffer amplifier for receiving an analog signal and attenuating all but those frequencies of interest, a low pass filter, a driver amplifier, an analog to digital converter for converting the analog signal to a digital signal, and a digital signal processor, which is...

20060132345 - Method and system for nonlinear and affine signal processing: A method of nonlinear and affine signal processing includes the steps of introducing an input signal into a system which exhibits nonlinear behavior, the input signal including a target signal and a secondary signal. By virtue of its nonlinear design, the system generates nonlinear artifacts of the target signal and...

20060132347 - Switching device and remote control using the switching device: The invention relates to a switching device and a remote control unit using the switching device to be used for operating a variety of electronic products. The invention aims to provide a device and unit which can be miniaturized and which can utilize a high-density components mounting technology. A switch...

20060125659 - Text input method and apparatus using bio-signals: A method and apparatus for inputting text, by dividing the letter arrangement on a keyboard by area, providing the divided letter arrangement areas on the screen, and making letters be selected step by step according to the bio-signal of a user, are provided. The text input apparatus using a bio-signal...

20060125661 - Circuits and methods for implementing mode selection in multiple-mode integrated circuits: Mode selection circuitry selects one of a plurality of operational modes supported by an integrated circuit by detecting a selected connection between a first terminal of the integrated circuit and a mode control terminal of the integrated circuit. Other including a mode control terminal coupled to an integrated circuit for...

20060125660 - Digital data compression robust relative to transmission noise: The invention concerns a digital data compression encoder, characterized in that it comprises: an input for a first data flow (SH), and a second data flow (SL), an encoding module, matching symbols of the first data flow, and code words, wherein, for certain symbols, there exist several words, called redundant,...

20060125662 - Method of coding and/or decoding binary data for wireless transmission, particularly for radio transmitted data, and equipment for implementing this method: The invention filed involves a method of coding and/or decoding binary data for wireless transmission, particularly for radio transmitted data. A sequence of binary data, introduced at the entry to the coding machine with a class N coder (KOD) comprising a register (REG), a comparator (COMP) and a counter (CITN),...

20060125663 - Method and apparatus for implementing a bi-endian capable compiler: A method of compiling code includes assigning an endian type to data. An endian flip operation is performed based on the endian type of the data and a target system. Other embodiments are described and claimed....

20060125664 - Masking of binary words processed by an integrated circuit: A method and a circuit for masking a digital word by application of a random bijection, including applying at least one first operation including selecting a non-disjoint subset of the word having its position and size depending on a first random quantity, and assigning to each bit of the subset,...

20060125665 - System and method of oversampling high speed clock/data recovery: A system and method of high speed clock/data recovery, which is used to recover the high speed clock/data through oversampling technique, wherein the internal clock with frequency lower than the high speed data is used for data recovery. Only three clocks are used in the digital circuit without involving all...

20060125666 - Data modulation: A method for data modulation comprising identifying an N-bit block of data bits and modulating said block into an (N+1)-bit codeword....

20060125667 - Switching amplifier: A switching amplifier is provided with a delta-sigma modulation circuit that performs delta-sigma modulation of an input signal that is either an analog signal or a multi-bit signal and outputs a quantized signal, a pulse amplifier that has a switching element and performs pulse amplification of the quantized signal by...

20060125668 - System and method for spectral shaping of dither signals: A digital modulator includes a quantizer and a mapper. The quantizer converts a dithered signal value to a voltage. The mapper provides a modulated signal based on the voltage received from the quantizer. The mapper may maintain a substantially identical average centroid for modulated signals provided by the mapper. In...

20060125670 - Current cell and digital-to-analog converter using the same: Provided are a current cell and digital-to-analog converter (DAC) using the same. The current cell includes a current source; a first transistor transmitting a current produced from the current source to a first output node based on a first signal; a second transistor transmitting a current produced from the current...

20060125671 - Source driving circuit, display device and method of driving a source driver: A source driving circuit for a display device may include a first latch configured to store first video data corresponding to a first horizontal line and a second latch configured to store second video data corresponding to a second horizontal line following the first horizontal line. The first and second...

20060125669 - System and method for digital compensation of digital to analog and analog to digital converters: The present invention relates to a system and method for digitally compensating signal converters and in particular a digital to analog converter which receives digital input data for a digital to analog converter and supplies anti-function digital coefficients derived from the error function of the digital to analog converter and...

20060125676 - Analog-to-digital converter in which settling time of amplifier circuit is reduced: A first amplifier circuit samples an input analog signal and holds the sampled signal for a predetermined period of time. A first analog-to-digital converter circuit samples the input analog signal and converts the sampled signal into a digital value of a predetermined number of bits. A first digital-to-analog converter circuit...

20060125677 - Charge-domain a/d converter employing multiple pipelines for improved precision: A new architecture is provided in which a master A/D converter of limited precision controls the adjustment-charge steering of a set of similar slave A/D converter pipelines. This architecture relieves the layout constraints imposed by prior architectures and also reduces power consumption of the device. By spatially interleaving the slave...

20060125674 - Efficient amplifier sharing in a multi-stage analog to digital converter: An analog to digital converter (ADC) containing an operational amplifier having a first pair of input terminals and a second pair of input terminals, wherein the output varies if the input signals on either of the input terminals pairs is changed in either the sampling phase or a hold phase....

20060125672 - Non-linear distribution of voltage steps in flash-type a/d converters: A method, apparatus, and system for converting an input voltage VIN to a digital output. A comparison of VIN with reference voltages in one or more flash-type analog-to-digital (A/D) converters generates the digital output representing VIN. If one A/D converter is used, the A/D converter is non-linear. If more than...

20060125673 - Ramp generators for imager analog-to-digital converters: An imager with an analog-to-digital converter having at least one ramp generator that precisely and efficiently produces the desired ramp voltages required by the analog-to-digital converter. The analog-to-digital converter can use differential or two ramp generators. The analog-to-digital converter can also use ramp generators operated in linear or compressed ramp...

20060125675 - Reducing errors and power consumption in a multi-stage analog to digital converter (adc) using amplifier sharing techniques: An amplifier sharing technique in an analog to digital converter (ADC) in which a cascaded combination of a pre-amplifier and main amplifier is used to provide the required amplification for a first stage, and only the main amplifier is used to provide the amplification for the second stage. Switches and...

20060125678 - Methods and circuits for output of sample-and-hold in pipelined adc: Methods and circuit embodiments are disclosed for implementing an improved signal path for a sample-and-hold output. In exemplary embodiments, a sample-and-hold signal path for use in a pipelined ADC includes a sample-and-hold circuit configured to operate in two distinct phases. The sample-and-hold circuit includes an input node, an output node,...

20060114127 - Cross-talk linearity connection: An array of photoconductive elements comprises an array of radiation detectors; an electrical lead connected to the array of radiation detectors; at least one amplifier receptive of an output signal of the array of radiation detectors; a summation device receptive of an output signal of the at least one amplifier;...

20060114129 - Computer system with passive wireless payboard: A wireless keyboard and reader combination comprises a keyboard having a plurality of keys, an antenna, and a plurality of passive transponder circuits coupled to the antenna and associated with the keys. The passive transponder circuits are selectively coupled to receive power from the antenna and provide a coded response...

20060114128 - Operating device for a domestic electrical appliance: An operating device for a domestic electrical appliance such as a dishwasher or an electric oven, contains a control device, a plurality of electrical operating, switching and/or display elements which and a plurality of mechanical actuating elements and/or optical display elements which can be operated or observed respectively by a...

20060114130 - Keypad circuit with electrostatic discharge protection: A keypad device having a circuit of electrostatic discharge (ESD) protection is disclosed. The circuit has n and m numbers of column conductive lines and row conductive lines formed on the print circuit board wherein at least one column or row conductive line is connected to the ground and the...

20060114132 - Apparatus, system, and method of dynamic binary translation with translation reuse: Embodiments of the invention disclose a method, apparatus and system of translating a source binary code into a target binary code. The translation according to embodiments of the invention may include determining whether or not a previously translated code block that relates to a source fragment to be currently translated...

20060114133 - Encoder: An encoder includes an encoder scale having a predetermined cyclic pattern, and at least one detection unit configured to detect a cyclic displacement according to movement of the encoder scale. The encoder further includes a signal elimination unit configured to subtract, from an output signal of the at least one...

20060114134 - Encoding apparatus and method, recording medium and program: A code sequence is encoded using a code conversion table in which the parity of the code sequence varies until the code states become equal to each other. The code word assignment used in this code conversion table is such that the decoded code word constraint length is 3 blocks...

20060114131 - Method and system for value-based data compression: Data in a data structure is compressed by exploiting prior knowledge of the format of the data structure. A portion of the data structure is captured. A metadata component is selected for the portion. A data buffer is updated by using the selected metadata component and the captured portion. This...

20060114135 - Optimization of digital designs: An application specific integrated circuit is optimized by translating a first representation of its digital design to a second representation. The second representation includes multiple syntactic expressions that admit a representation of a higher-order function of base Boolean values. The syntactic expressions are manipulated to form a third representation of...

20060114136 - Method and apparatus for selecting particular decoder based on bitstream format detection: The present invention provides an apparatus and method for switching between particular decoders within a plurality of decoders, each decoder adapted to decode bit streams having a unique format. The apparatus comprises format detectors which output format indicators based on information from the bit stream. Logic responsive to the format...

20060114137 - Data processing method and circuit for data recording and reproducing and data recording and reproducing apparatus: Embodiments of the invention a signal processing method capable of realizing low decoding error ratio by using a simple configuration free from unnecessary redundant bits. In one embodiment, user data (512 bytes+additional data) input to an input terminal is RLL-encoded by a RLL encoder 1. The data from the RLL...

20060114138 - Method for calibrating a digital-to-analog converter and a digital-to-analog converter: The invention describes a method for digitally calibrating a segmented current-steering D/A-converter. One embodiment of the present invention is a 14-bit DAC, where 6 MSB's are converted with two unweighted current source array. Further, in this invention a new method for organising the switching order based on the analysed data...

20060114141 - A novel multi-stage analog to digital converter architecture: According to an aspect of the present invention, different reference voltage levels are used for different stages of a multi-stage analog to digital converter (ADC). In one embodiment, the amplification and unity gain bandwidth (UGB) requirements in the first stage is reduced as a result....

20060114143 - Analog/digital converter and method for operating an analog/digital converter: The invention provides a clocked analog/digital converter for successive approximation which is designed using a jointly used amplifier and a dynamic range expansion facility by means of a special design for the comparison circuit in the first converter stage. The comparison circuits in the analog/digital converter allow decisions to be...

20060114142 - D/a converter, and a/d converter and signal converter using the same: A current summing type D/A converter having a configuration of two or more steps is provided. In a D/A converter block of the first step, by adding current segments, upper bits are D/A converted, and one of the current segments in the first step is further supplied to a D/A...

20060114140 - Two step flash analog to digital converter: This invention discloses a method for converting an analog signal to a digital signal as the following steps. A reference voltage range is divided into a plurality of reference levels. The analog signal is compared with the reference levels to generate first conversion bits. A reference voltage sub-range defined by...

20060114144 - Inl curve correction in a pipeline adc: The present invention relates to a method and system for reducing integral non linearity errors in a pipeline Analog to Digital Converter (ADC). The invention provides in a first embodiment a method comprising the steps of: adding an analog dither signal to the analog input signal of a pipeline Analog...