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Data Processing: Measuring, Calibrating, Or Testing > Calibration Or Correction System > Circuit Tuning (e.g., Potentiometer, Amplifier) Circuit Tuning (e.g., Potentiometer, Amplifier)Circuit Tuning (e.g., Potentiometer, Amplifier) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/16/06 - 20060259263 - Method and apparatus for calibrating data-dependent noise prediction Disclosed herein is an apparatus and method of calibrating the parameters of a Viterbi detector 138 in which each branch metric is calculated based on noise statistics that depend on the signal hypothesis corresponding to the branch. An offline algorithm for calculating the parameters of data-dependent noise predictive filters 304A-D ... 11/02/06 - 20060247877 - Visual monitor calibration A method is presented for deriving gamma for a display monitor that does not involve color matching tasks. The method includes displaying a test pattern to a user on the display monitor. The test pattern includes at least one of a pattern of alternating light and dark regions displayed to ... 10/05/06 - 20060224345 - System and method for improving electrical equipment accuracy by environmental condition compensation A system and method is designed to measure its own environmentally caused inaccuracies and, based upon these measurements, adjust itself to compensate for the inaccuracies. In one embodiment, a test system first measures the signal loss through a model “long” path constructed in the same substrate as is the main ... 09/28/06 - 20060217913 - System, method, and computer software product for gain adjustment in biological microarray scanner In accordance with some embodiments of the present invention, a method for gain adjustment is described that comprises (a) receiving a user selection of one or more parameters that includes a first resolution value; (b) obtaining a plurality of pixel intensity values using the user selected parameters and a gain ... 09/28/06 - 20060217912 - Load fluctuation correction circuit, electronic device, testing device, and timing generating circuit To provide a load fluctuation correction circuit having a function of correcting the change in the current consumption amount due to the change in the driving state of a logic circuit, thereby suppressing the change in the source voltage applied to the logic circuit. The present invention provides a load ... 08/03/06 - 20060173643 - Memory device with apparatus for recalibrating output signal of internal circuit and method thereof A memory device with an apparatus for recalibrating an output signal of an internal circuit is disclosed. The memory device includes a plurality of signal modulators for simultaneously receiving the output signal of the internal circuit, and a control unit for outputting a control signal for selecting one of the ... 07/20/06 - 20060161370 - Pulse stretching architecture for phase alignment for high speed data acquisition Systems and methods for pulse stretching architectures for phase alignment of multi-frequency clocks for high speed data acquisitions are disclosed. A high speed data acquisition system includes a transmitter and a receiver. The receiver includes a multi-frequency clock generator that generates a plurality of clock signals, a pattern check module ... 07/20/06 - 20060161369 - Method for implementing trl calibration in vna In one embodiment, a method comprises storing parameters that are related to switch error correction terms of a vector network analyzer (VNA), and applying a calibration process of a TRL group of calibration processes to the VNA to generate calibration measurements, wherein the calibration process generates calibration measurements, calculates a ... 07/13/06 - 20060155498 - Correcting test system calibration and transforming device measurements when using multiple test fixtures A test system and methods using the test system correlate measurements of a device under test (DUT) regardless of which test fixture is used for in-fixture testing of the DUT. The test system includes test equipment, a test fixture that interfaces the DUT to the test equipment, a computer and ... 07/06/06 - 20060149491 - Insertable calibration device An insertable calibration device for a programmable tester apparatus comprises at least one calibration unit and a control unit. The progammable tester apparatus is configured to test at least one electronic device with electronic circuits. The progammable tester apparatus comprises a holding device, contact-making devices for the electronic device, and ... 07/06/06 - 20060149490 - Calibration circuit of a semiconductor memory device and method of operating the same A calibration circuit for a semiconductor device and a method of driving the same. The calibration circuit includes a PRBS generator in which a data pattern is generated within an integrated circuit without receiving data from the outside, a PRBS tester that compares output signals of a data latch that ... 02/16/06 - 20060036388 - Method and system for radio-frequency signal coupling to medium tension power lines with auto-tuning device In one aspect, the present invention comprises a method for tuning a power line communication inductive signal coupling device comprising a coupler and a plurality of capacitors, the method comprising: passing a carrier frequency signal through the coupler; sensing an amplitude of the signal; and switching the capacitors until the ... 01/19/06 - 20060015280 - Apparatus and method for determining angular position of a rotating disk This apparatus relates to a data carrier which rotates about an axis and on which a track is provided for containing said data, said track spiraling around a center, which apparatus comprises an angle measurer for many purposes. For obtaining this angular position information, for example an eccentricity measurer is ... 01/12/06 - 20060009938 - Digital jitter synthesizer A digital jitter synthesizer includes a signal generation unit, a tuning frequency optional unit, and a random option unit. The tuning frequency optional unit is able to output a frequency control value, and leads the signal generation unit tune the frequency of an output signal based on the frequency control ... 12/29/05 - 20050288885 - Method for calibrating current offset and filtering bad data in a system that detects power output A method of calibrating current offsets from a DC bus current circuit adapted to control a motor is disclosed. The method comprises the steps of initializing the DC bus current circuit, disengaging PWM signals to the motor, sampling current values at a predetermined sampling rate, averaging the current values over ... 11/17/05 - 20050256660 - Pade' approximant based compensation for integrated sensor modules and the like Methods and systems using Pade′ Approximant expansion ratios provide mappings between nonlinear sensors and a more linearized output domain. In one embodiment (a) a variable gain amplifier receives a supplied input signal, the amplifier has at least a first input terminal, an output terminal, and a gain control terminal; (b) ... 11/10/05 - 20050251356 - Semiconductor memory device with ability to adjust impedance of data output driver A semiconductor memory device for performing an OCD calibration control operation to adjust a data output impedance includes a decoder for decoding an address signal to generate an OCD default control signal, an OCD operation signal and plural data, a code generator for receiving plural-bit data to generate an OCD ... 11/03/05 - 20050246122 - Magnetic position and orientation measurement system with eddy current distortion compensation Techniques for removing distortion in an AC magnetic tracker identify a characteristic frequency in the distortion environment which is then utilized to extract distortion components from the tracker receiver signals so that the corrected position and orientation can be calculated. A multiplicity of alternative techniques for determining this characteristic frequency ... 10/27/05 - 20050240370 - Method and system to calibrate an oscillator within an rfid circuit by selecting a calibration value from a plurality of stored calibration values According to one aspect of the present invention, there is provided a method of calibrating an oscillator within a radio-frequency identification (RFID) circuit for use in an RFID tag. A plurality of calibration values is stored within a memory structure associated with the RFID circuit. Each of the calibration values ... 10/27/05 - 20050240369 - Method and system to calibrate an oscillator within an rfid circuit utilizing a test signal supplied to the rfid circuit In accordance with one aspect of the present invention, there is provided a method of calibrating an oscillator within a radio-frequency identification (RFID) circuit for use in an RFID tag. The oscillator has an oscillation frequency. A calibration value is stored within a non-volatile memory associated with the RFID circuit. ... 09/08/05 - 20050197796 - Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities A calibration unit and technique for calibrating A/D systems (e.g., data acquisition devices) using a pulse-width modulation (PWM) circuit to reduce nonlinearity. The calibration unit may be coupled to an analog-to-digital module (ADM) of the A/D system. The PWM circuit may generate a calibration signal with intentional ripple, which may ... 09/08/05 - 20050197795 - Method and apparatus of temperature compensation for integrated circuit chip using on-chip sensor and computation means A method and apparatus of temperature compensation for an integrated circuit using on-chip circuits, sensors, and an algorithm. The chip includes an on-chip reference circuit, an on-chip sensor measuring a parameter relative to the reference, and an on-chip computation means for processing an algorithm. A supplemental off-chip reference circuit is ... 06/09/05 - 20050125181 - Ring oscillator dynamic adjustments for auto calibration An apparatus compensates for voltage and temperature variations on an integrated circuit with: a voltage sensor having a digital voltage output; a temperature sensor having a digital temperature output; a register coupled to the voltage sensor and the temperature sensor, the register adapted to concatenate the digital voltage output and ... 06/02/05 - 20050119849 - Calibration of memory circuits Memory circuits are calibrated by adjusting memory circuit output parameters based on data eye measurements. Data eye patterns of memory circuit outputs are measured by the memory controller for different settings of the memory circuit output parameters. Memory circuit output parameters can be adjusted to settings that correspond to widest ... 06/02/05 - 20050119848 - Method of measuring the effective directivity and/or residual system port impedance match of a system-calibrated vector network analyser To measure the effective directivity and/or the effective source port match of a test port of a system-calibrated vector network analyser, a precision air line short-circuited at the outlet is connected, and the complex reflection coefficient is measured at the inlet of this precision air line at a sequence of ... ### FreshPatents.com Support |