Coded data generation or conversion inventions 12/06

20060290534 - Rotary encoder: A rotary encoder exhibits a shaft, which can be coupled in torque-proof fashion to a rotating object to be measured. The shaft is connected at a true angle of rotation to a material measure and is divided axially into a drive section (10), which can be coupled to the measured... Agent: Nath & Associates

20060290536 - System and method for producing character on interactive equipment: A system and method for producing a character are provided. A remote control device having a plurality of numeral keys and capable of inputting a plurality of values is used to issue a command representing one of the plurality of values and composed of a combination of the plurality of... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20060290535 - Using language models to expand wildcards: A method of inputting text is provided in which a first portion of an input string is received from a user, the first portion of the input string including at least one keystroke representing a wildcard character of the input string. A second portion of the input string is then... Agent: Westman Champlin (microsoft Corporation)

20060290537 - Huffman coding and decoding: A method of decoding a bitstream encoded according to a Huffman coding tree of height H including: extracting a first codeword of H bits from the bitstream; modifying the codeword by shifting it by a first shift value; using this modified codeword to identify using at least a first data... Agent: Harrington & Smith, LLP

20060290538 - Methods, apparatus, and systems for order-adaptive compression: Methods, apparatus, and systems are provided for order-adaptive compression. A sting is iterated to produce a compression sequence relative to an alphabet having symbols associated with the string. During the iteration, the order of the alphabet is altered in response to a given frequency condition.... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20060290539 - Modeling for enumerative encoding: Entropy encoders and decoders employ an entropy-pump operation. The entropy-pump operation includes classifying blocks of the input sequence's symbols in accordance with the probabilities of occurrence of those blocks' values. Entropy coding an output component that represents the sequence of classes to which the blocks belong tends to be profitable,... Agent: Foley Hoag, LLP Patent Group, World Trade Center West

20060290541 - Hybrid binary/thermometer code for controlled-voltage integrated circuit output drivers: A hybrid binary/thermometer code is employed to adjust the output impedance of a variable impedance output driver circuit having an impedance network comprising a plurality of impedance legs each programmably electrically connectable according to the hybrid binary/thermometer code in parallel between a voltage source and the signal pad. The plurality... Agent: Avago Technologies, Ltd. C/o Klaas, Law, O'meara & Malkin, P.C.

20060290540 - Recursive bit-stream converter and method for recursive bit-stream conversion: Recursive bit-stream converter (Rebic) for converting a multi-bit digital input signal to a single bit digital output signal comprising a digital low pass filter and multi-bit quantizer means in a feedback arrangement and means to serialize the digital words of the quantizer means. To obtain a non-integer Rebic factor the... Agent: Philips Intellectual Property & Standards

20060290542 - System for improving memory interface data integrity in plds: An integrated circuit (IC) for optimizing data presentation to an external memory interface bus is provided. The IC is in communication with the external memory via the external memory interface bus. The IC includes an encoder that may encode the data that are being sent to an external memory. The... Agent: Martine Penilla & Gencarella, LLP

20060290543 - Method and apparatus for performing sample rate conversion: A digital modulator having a sample rate converter that does not require that the final output sampling rate, FOUT, of the sample rate converter be at least twice as great as the input sampling rate, FIN, of the sample rate converter. The upsampling interpolation filter stages of the sample rate... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20060290544 - Systems and methods for creating symbols and rendering models using such symbols: Systems and methods are provided for creating customized symbols and modeling business processes using such symbols. In one implementation, a computer-implemented method is provided for creating a customized symbol. The method may comprise selecting a symbol, the symbol comprising graphics data. The method may further comprise defining a customized symbol... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060290545 - Method for determining residual error compensation parameters for a magnetoresistive angle sensor and method for reducing a residual angle error in a magnetoresistive angle sensor: In a method of determining residual error compensation parameters for a magnetoresistive angle sensor providing a first measurement signal depending on a rotational angle the step of generating a plurality of value pairs for a plurality of rotational angle values is provided, wherein each value pair has a rotational angle... Agent: Baker Botts, L.L.P.

20060290547 - Voltage regulation using digital voltage control: For one disclosed embodiment, error is sensed in a voltage at an output node. One or more analog signals are generated based on the sensed error. One or more generated analog signals are converted into one or more digital signals. The voltage at the output node is controlled in response... Agent: Blakely Sokoloff Taylor & Zafman

20060290546 - Wideband digital receiver architecture: An integrated circuit architecture on a single chip, including a module for digital IQ generation; a module for LO synthesis; a digital mixing module; a multi-stage filtering and decimation module; a passband equalization module; an integration module; and a DC offset adjustment module.... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20060290548 - High speed data converter testing devices, methods, & systems: Devices and methods to test high speed analog-to-digital and digital-to-analog signal converters are provided. According to one embodiment, a testing device can comprise an output, a mixer, and an input. The output can provide a signal, and the mixer can receive the signal and provide a test signal to a... Agent: Troutman Sanders LLP

20060290549 - Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations: Methods and apparatus for implementing and/or using amplifiers and performing various amplification related operations are described. The methods are well suited for use with, but not limited to, switching type amplifiers. The methods and apparatus described herein allow for the use of switching amplifiers while reducing and/or compensating for distortions... Agent: Straub & Pokotylo

20060290550 - Multi-channel digital to analog (d/a) conversion: A multi-channel digital-to-analog (D/A) conversion system that can produce an analog output (210) from a digital signal (201) using N D/A converters (C1-CN), each with 1/N of the resolution of a single D/A converter used to perform the same D/A conversion. A data sample (Din) of the digital signal (201)... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20060290551 - A/d converter: A compact and highly accurate A/D converter includes series-connected computation cells, the number of which is equal to the number for bits in an output signal. The first computation cell includes a first comparison unit for subtracting a reference current from a first input current to generate a first current,... Agent: Arent Fox PLLC

20060290555 - A/d converter that is implemented using only digital circuit components and digital signal processing: A TAD (time analog/digital) type of A/D converter has plural series-connected delay units each producing a delay in accordance with the level of a converter input voltage, with a first-stage delay unit receiving a pulse signal at commencement of each A/D conversion sampling interval, and a latch/encoder circuit detecting the... Agent: Posz Law Group, PLC

20060290554 - Analog to digital conversion circuit: A plurality of reference voltages are generated by a reference voltage generation circuit. A plurality of comparators is supplied respectively with an analog input voltage and any two reference voltages out of the plurality of reference voltages. A threshold voltage of each of the comparators is adjusted according to the... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20060290552 - Cmos image capture device with self-correcting gain characteristic: A CMOS image capture device includes an array of pixel elements configured to convert an image received as light at a surface thereof into analog output signals. An image processing circuit is also provided. The image processing circuit is configured to generate digital output signals from which the image can... Agent: Myers Bigel Sibley & Sajovec

20060290553 - Current steering type single flux quantum circuit: Disclosed is a single flux quantum circuit that uses a flux quantum as an information carrier, which generates a SFQ clock signal with little clock jitter and supplies the SFQ clock signal to a SFQ function circuit of the SFQ circuit. A SFQ function circuit is configured to include a... Agent: Stanley P. Fisher Reed Smith LLP

20060290556 - Synchronous analog to digital conversion system and method: Synchronous analog to digital conversion including providing a voltage analog to digital converter and a current analog to digital converter, synchronizing the converters, providing a signal conditioning circuit associated with the input of each converter, providing a current input to one of the signal conditioning currents and a voltage input... Agent: Iandiorio & Teska Intellectual Property Law Attorneys

20060290557 - Anti-noise input/output impedance control of semiconductor circuit with reduced circuit size: An impedance control system is composed of a target circuit having a controllable impedance; a replica circuit having a structure identical to the target circuit; a first binary counter providing the replica circuit with a first impedance control code indicative of a counter value of the first binary counter for... Agent: Sughrue Mion, PLLC

20060290558 - Remote control systems: A system that allows a user to install a remote control transmitter to transmit a control signal in response to the driver flashing the high-beam headlights in a vehicle without cutting and splicing wires in the vehicle electrical system. Pluggable light system components such as the light bulb housing, the... Agent: Stoneman Law Offices, Ltd

20060290559 - Remote controller and remote control method: A remote controller includes: a plurality of function keys provided for each of a plurality of target devices as one type of key out of a plurality of keys provided in the controller, and adapted to select the target device to be remotely controlled; a key illuminating section adapted to... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060284740 - Actuating unit for a piezo-electrically controlled fuel injection valve: An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designing the hollow body to eliminate or... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20060284741 - Keypad signal input apparatus: Keypad apparatus for registering signals corresponding to data that a user enters by pressure on keys of an array in a surface extending in two dimensions. The elements of first and second sets of impedance elements (R) are connected in series through respective interconnections and a signal processor applies first... Agent: Freescale Semiconductor, Inc. Law Department

20060284742 - System and method for detecting key actuation in a keyboard: A system and method for detecting key actuation in a keyboard assembly, which, in one embodiment, is used as a conductor to electrically communicate with an information appliance. The rows in the keyboard assembly are electrically isolated from one another, and each row contains keys bridging a two-wire bus. Each... Agent: Jackson Walker LLP

20060284743 - Input detection based on speckle-modulated laser self-mixing: A keyboard detects press or release of keys based on laser output which is changed by speckle-modulated self-mixing. Unique targets are attached to keys. As a target is moved into and/or out of the path of a laser, speckling causes light to shine back into the laser's emitting cavity. Variations... Agent: Banner & Witcoff Ltd., Attorneys For Client Nos. 003797 & 013797

20060284746 - Digital expander for generating multiple analog control signals particularly useful for controlling an oscillator: An exemplary PLL circuit includes a VCO responsive to a plurality of sub-varactor control signals. A digital loop filter for the PLL digitally generates a varactor control word, which is digitally expanded into a plurality of digital values, each of which is conveyed to a corresponding one of a plurality... Agent: Zagorin O'brien Graham LLP

20060284745 - Method and apparatus for processing character streams: One embodiment of the present invention is a method for processing a character stream including: (a) forming, responsive to the character stream, a plurality of parallel property bit streams wherein each of the parallel property bit streams comprises bit values of a particular property associated with data values of the... Agent: Michael B. Einschlag, Esq.

20060284744 - Structured blogging with reciprocal links: Systems and methods for structured blogging with reciprocal links are described below. The systems and methods, referred to herein as Blog systems, provide a structured data format for associating comments and other entries with businesses. This structured data format facilitates data transmission and retrieval of data, particularly by blog managers... Agent: Courtney Staniford & Gregory LLP

20060284747 - Floating-point type digital signal reversible encoding method, decoding method, apparatuses therefor, and porgrams therefor: Signal samples X in a floating-point format, each of which is composed of 1 bit of sign S, 8 bits of exponent E and 23 bits of mantissa M, are converted through truncation by an integer formatting part 12 into signal samples Y in a 24-bit integer format, the integer-value... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060284748 - Scalable audio data arithmetic decoding method, medium, and apparatus, and method, medium, and apparatus truncating audio data bitstream: A scalable audio data arithmetic decoding method, medium, and apparatus, and a method, medium, and apparatus truncating an audio data bitstream. The arithmetic decoding method of decoding a scalable arithmetic coded symbol may include arithmetic decoding of a symbol by using the symbol and a probability value for the symbol... Agent: Staas & Halsey LLP

20060284749 - Programmable sample rate analog to digital converter and method for use therewith: A programmable sample rate ADC includes a delta sigma modulator for producing a digital signal, and a programmable decimation filter, that includes X stages of integration, a down-sampling stage for down-sampling by a factor of N, and Y stages of differentiation. The programmable sample rate ADC produces a digital output... Agent: Garlick Harrison & Markison

20060284750 - Gain error correction in an analog-to-digital converter: An error correction circuit for use with an analog-to-digital converter (ADC) comprising correction capacitance means and switching means coupled to the correction capacitance means. The switching means being coupled to ground and to a plurality of reference voltages and being arranged to couple a bottom plate of the correction capacitance... Agent: Qualcomm Incorporated

20060284751 - Complex band-pass filter for use in digital radio receiver and complex band-pass delta-sigma ad modulator using the same: In a first-order complex band-pass filter, multiplexers are alternately switched over between time intervals of phases A and B, where the multiplexers includes two multiplexers provided at input and output stages, and a multiplexer provided in a feedback circuit of each of first-order filters and being switching over whether to... Agent: Birch Stewart Kolasch & Birch

20060284752 - Digital/analog converter: The present invention relates to a digital/analog converter, in which a divided-voltage generating section and a divided-voltage selecting section are added to a conventional digital/analog converter so that a digital signal with high resolution of more than 10 bits can be processed and the size of an IC can be... Agent: Stanzione & Kim, LLP

20060284753 - Current sensing analog to digital converter and method of use: A current sensing analog to digital converter (CS-ADC) is disclosed. The current sensing analog to digital converter comprises a modulator adapted to sense a change in current and generate an oversampled signal. The converter further includes a decimation filter system coupled to modulator for removing out of band noise from... Agent: Sawyer Law Group LLP

20060284754 - Programmable dual input switched-capacitor gain stage: A switched-capacitor gain stage suitable for use with a pipelined analog to digital converter (“ADC”) is capable of processing two or more input channels. The analog input voltages from the multiple channels are concurrently sampled (every other clock phase), and the gain stage processes the samples using a double sampling... Agent: Ingrassia, Fisher & Lorenz, P.C.

20060279434 - Half keyboard: A half keyboard having a key input system with a set of keys, wherein the set of keys is arranged as a conventional keyboard, such as a Qwerty keyboard, approximately folded in half so that the key of the set of keys indicates more multiple characters, symbols and/or functions.... Agent: Rabin & Berdo, P.C.

20060279433 - Method of mapping characters for a mobile telephone keypad: In a mobile communications device used in countries having a prevailing language with a large number of alphabet characters, the keypad is mapped alphabet into two groups and mapping each of the groups to the keypad to provide two independent modes of selection. The user can toggle from one mode... Agent: Perman & Green

20060279435 - Uplink pilot and signaling transmission in wireless communication systems: Techniques to more efficiently transmit pilot and signaling on the uplink in an OFDM system. With subband multiplexing, M usable subbands in the system are partitioned into Q disjoint groups of subbands. Each subband group may be assigned to a different terminal for uplink pilot transmission. Multiple terminals may transmit... Agent: Qualcomm Incorporated

20060279436 - Digital elevation model data structure for geospatial analysis: A data structure stored on a computer readable storage media comprises a plurality of layers each comprising a data array and a corresponding normal vector array, and a plurality of layer structures each comprising information related to a corresponding one of the plurality of layers.... Agent: Jeffrey R. Ambroziak

20060279437 - Forward error-correcting (fec) coding and streaming: In a data decoder for decoding data from received symbols received over a channel from an encoder, wherein the received data can include erasures and include source symbols and repair symbols and wherein the decoder uses in decoding a generator matrix, any square submatrix of which is invertible, such that... Agent: Townsend And Townsend And Crew, LLP

20060279438 - Optical coupled type isolation circuit: In an optical coupled isolation circuit, a PWM encoder encodes a one-bit binary data signal supplied from a sigma-delta analog-digital converter in synchronization with a clock signal of a cycle T to produce a pulse width modulation signal. The pulse width modulation signal includes a narrower pulse having a width... Agent: Mcginn Intellectual Property Law Group, PLLC

20060279439 - System and method for improved performance and optimization of data exchanges over a communications link: A system and method for improved performance and optimization of data exchanges over a communications link is described, including a method for communicating data that includes transmitting a first control segment of a message from a first system to a second system (the first control segment including control information that... Agent: Texas Instruments Incorporated

20060279440 - Frequency detector in phase locked loop circuit and frequency error detecting method: A frequency detector implementing a method capable of detecting a frequency error in a phase locked loop (PLL) circuit at high speed includes a run-length signal detecting unit detecting a run-length signal from a sampled radio-frequency (RF) signal in a frequency detection period, based on a predetermined distribution density of... Agent: Stein, Mcewen & Bui, LLP

20060279441 - Compensation circuit for clock jitter compensation: A compensation circuit for a digital/analogue converter, which is clocked by a clock signal comprising a jitter and converts a digital input data signal into an analogue output data signal comprising a jitter error due to said jitter, comprises a measurement circuit for measuring the jitter and a modelling circuit... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20060279442 - Semiconductor device having auto trimming function for automatically adjusting voltage: A reference voltage generation circuit generates a reference voltage. An internal voltage generation circuit generates an internal voltage on the basis of the reference voltage generated by the reference voltage generation circuit. A first trimming circuit trims the internal voltage. During trimming of the internal voltage, the first trimming circuit... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060279443 - Trading off visibility for volume of data when profiling memory events: When tracing memory events the required bandwidth may be reduced by forming a logical OR of several memory event signals to determine the location of memory events. A second trace run may be made after this, tracing only the limited portions of the application where the first run indicated possible... Agent: Texas Instruments Incorporated

20060279444 - Transmitter using vertical bjt: A transmitter having a vertical BJT, capable of reducing power consumption, carrier leakage of a local oscillator and an error vector magnitude (EVM), is disclosed. In the transmitter, vertical BJTs implemented by a standard triplex well CMOS process are used in a frequency up-mixer and a baseband analog circuit including... Agent: Sughrue Mion, PLLC

20060279447 - Analog/digital converting device: The present invention provides a widely general-purpose A/D converting device. The A/D converting device comprises multiple signal conversion units each of which include: an A/D converter for converting an input analog signal into a digital signal with a predetermined number of bits; a D/A converter for converting the output from... Agent: Mcdermott Will & Emery LLP

20060279446 - Method and apparatus for rf signal demodulation: A radio frequency (RF) receiver is provided, comprising an antenna, a low noise amplifier, a down converter, a first analog to digital converter (ADC), a second ADC, a digital up converter. The antenna receives an RF signal, and the LNA coupled to the antenna amplifies the RF signal. The down... Agent: Birch Stewart Kolasch & Birch

20060279445 - System and method for improved time-interleaved analog-to-digital converter arrays: System and method for improved time-interleaved analog-to-digital converter arrays which reduces sampling mismatch distortion found in prior art arrays. There may be two causes of non-uniform sampling mismatch in a TI-ADC array, a mismatch due to skew and a mismatch due to clock jitter. To minimize non-uniform sampling mismatch, the... Agent: Texas Instruments Incorporated

20060279448 - Cyclic pipeline analog to digital converter with enhanced accuracy: A cyclic pipeline analog to digital converter includes a sample/hold module, a sub-analog/digital converting module, and an alternate digital/analog converting module. The sample/hold module generates a sample signal according to an analog-input signal and a residue signal. The sub-analog/digital converting module generates a first control signal and a second control... Agent: Birch Stewart Kolasch & Birch

20060279449 - Single-loop switched-capacitor analog-to-digital sigma-delta converter: A single-loop differential switched-capacitor sigma-delta converter has a three stage double-sampling architecture with reduced current consumption. The converter is stable for large input dynamics, which makes it suitable for RF applications. The three-stage multi-bit double-sampled architecture has a single-loop architecture in which all integrators are included in a same feedback... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20060273931 - Absolute angle detecting device: An absolute angle detecting device is provided. The absolute angle detecting device is composed of a first detecting element group that outputs a Gray code string for angle detection that detects a rotating angle in one sector of the multi-rotation body at required resolution, a second detecting element group and... Agent: Brinks Hofer Gilson & Lione

20060273932 - Data entry apparatus and method: Each of a number of independently-operated input buttons is actuable in five directions and a unique output response is associated with each of the directions. Preferably, there are five finger buttons and at least one thumb button. The five-position thumb button can be used to shift the key assignments of... Agent: Shoemaker And Mattare, Ltd

20060273933 - Data compression with selective encoding of short matches: A method and apparatus for encoding a sequence of input data into a sequence of coded data, where the coded data is represented as literal data, as single-character references to recent input data, and as a references to one or more past input data. The references may be fixed in... Agent: Morrison & Foerster LLP

20060273937 - Data encoding apparatus, data encoding method, and recording medium recorded with program: In a data encoding apparatus, when a prefix length calculation and determination units determine that the code length of a variable length code constituted of continuous bits “0” is equal to or greater than the predetermined maximum prefix length max_prefix during Golomb-Rice encoding of encoding subject data having a fixed... Agent: Straub & Pokotylo

20060273934 - Dictionary-based compression and decompression: The invention discloses a compressor for encoding data and a decompressor for decoding data. The data compressor comprises an encoder configured to encode a data file using a dictionary-based compression. The encoder is configured to reset the dictionary at least once while encoding the data file, thereby forming a plurality... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20060273936 - Electronic instrument and reproduction system: An electronic instrument includes an input device having a plurality of channels to each of which an audio signal is input. A demodulation device demodulates audio signals and converts the audio signals into digital signals that control the electronic instrument. The electronic instrument also includes a feeding device that feeds... Agent: Foley & Lardner

20060273935 - Method for encoding data: A method for encoding data includes a super cooling process wherein an input stream is manipulated, encoded and summarized to form entities that represent the input stream in a different form in super cooled sets. The super cooled sets can be used for example for the transmission and/or storage of... Agent: Dunlap, Codding & Rogers P.C.

20060273938 - Up and down sample rate converter: Sample rate converters (12) for converting input sample rates (F81) of signals into output sample rates (Fs4) are provided with sample rate adapters (3,6) for adapting (basic idea) intermediate sample rates (Fs2) such that output sample rates (Fs4) are larger (upsampling) or smaller (downsampling) than input sample rates (F81), to... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20060273940 - Variable length coding method and variable length decoding method: An image coding apparatus provides a run-length encoding unit RLE1 that subjects quantized coefficients which are obtained by quantizing frequency components of an image signal to a variable length coding process by using a run value Run that indicates the number of successive zero coefficients and a level value Lev... Agent: Wenderoth, Lind & Ponack, L.L.P.

20060273939 - Variable-length coding method, variable-length coding device and imaging system: A VLC mode judgment section performs judgment on whether or not a received group (Last, Run, Level) exists in a VLC table and then performs judgment on which one of a first escape mode, a second escape more and a third escape mode is suitable. According to a judgment result... Agent: Mcdermott Will & Emery LLP

20060273941 - Content deskewing for multichannel synchronization: The various embodiments of the invention provide an apparatus, system and method for data content deskewing among a plurality of data channels for data synchronization. The various embodiments determine whether a data alignment signal has been written, for each data channel of the plurality of data channels, such as a... Agent: Agere Lerner, David Et Al.

20060273942 - Linearization system and method: A system for training a linearization compensation model includes a tone generator for providing at least two different RF tones, receiver path components for processing the RF tones, an analog-to-digital converter for converting the processed RF tones into digital signals, and a processor for using the digital signals to generate... Agent: General Electric Company Global Research

20060273943 - Arbitrary waveform generator, arbitrary waveform generate method, testing apparatus, and program: There is provided an arbitrary waveform generator that generates an arbitrary waveform. The arbitrary waveform generator includes a waveform pattern generating section that generates pattern data showing a pattern of the arbitrary waveform, a digital-analog converting section that outputs the arbitrary waveform based on the pattern data, and a correction... Agent: Osha Liang L.L.P.

20060273944 - System with trace capability accessed through the chip being traced: While tracing program execution in the device under test, the trace receiver is connected to the device through a dedicated trace port, and through the common memory interface. Trace data is received through the trace port, and is written into memory through the common memory interface. The data may be... Agent: Texas Instruments Incorporated

20060273945 - Device for determining a measure for a signal change and a method of phase control: Device for Determining a Measure for a Signal Change and a Method of Phase Control The invention relates to a method for effecting a gradient determination, in which a change in the signal level of an input signal (sigp, sign) between two instants is determined and compared with reference values... Agent: O'shea, Getz & Kosakowski, P.C.