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Class Information
Number: 341/120
Name: Coded data generation or conversion > Converter calibration or testing
Description: Subject matter comprising means for evaluation of a converter"s output for known input values, followed by adjustments for obtaining a desired input-output relation.










Sub-classes under this class:

Class Number Class Name Patents
341/121 Trimming control circuits 106


Patents under this class:

Patent Number Title Of Patent Date Issued
7764214 Analog-to-digital converter for converting input analog signal into digital signal through multiple conversion processings Jul. 27, 2010
7764207 Digital processor Jul. 27, 2010
7755526 System and method to modify a metadata parameter Jul. 13, 2010
7755522 Apparatus, method, and circuit for baseline loop analog cancellation Jul. 13, 2010
7750830 Calibration device and method thereof for pipelined analog-to-digital converter Jul. 6, 2010
7741983 Auto-measurement and calibration of DC resistance in current sensing applications Jun. 22, 2010
7741982 Estimation of timing errors in a time-interleaved analog to digital converter system Jun. 22, 2010
7733261 Hybrid analog to digital converter circuit and method Jun. 8, 2010
7733251 A/D convertion controlling device and image forming apparatus Jun. 8, 2010
7733250 Microcontroller having in-situ autocalibrated integrating analog-to-digital converter (IADC) Jun. 8, 2010
7728752 Residue generators for reduction of charge injection in pipelined converter systems Jun. 1, 2010
7728749 Multi-mode digital-to-analog converter Jun. 1, 2010
7728747 Comparator chain offset reduction Jun. 1, 2010
7724173 Time-interleaved analog-to-digital-converter May. 25, 2010
7724171 Digital to analog converter and display driving system thereof May. 25, 2010
7724169 Semiconductor chip with a number of A/D converters that include a group of redundant A/D converters May. 25, 2010
7724165 Audio codec and built-in self test method for the same May. 25, 2010
RE41343 Operational monitoring for a converter May. 18, 2010
7719452 Pipelined converter systems with enhanced linearity May. 18, 2010
7719451 Signal measuring apparatus and semiconductor testing apparatus May. 18, 2010
7705760 Method and device for the filtering and analogue/digital conversion of analogue signal Apr. 27, 2010
7705757 Gain matching method and system for single bit gain ranging analog-to-digital converter Apr. 27, 2010
7705755 Signal converting apparatus with built-in self test Apr. 27, 2010
7701373 Current steering DAC Apr. 20, 2010
7696916 Parallel type analog-to-digital conversion circuit, sampling circuit and comparison amplification circuit Apr. 13, 2010
7692638 Error compensation for multi-touch surfaces Apr. 6, 2010
7692567 Digital-to-analog converter and distortion correction circuit Apr. 6, 2010
7688240 Method and apparatus for calibrating an RDAC for end-to-end tolerance correction of output resistance Mar. 30, 2010
7688239 Fault detection apparatus for detecting failure of A/D converter due to loss of externally supplied clock signal Mar. 30, 2010
7688238 Methods and systems for calibrating a pipelined analog-to-digital converter Mar. 30, 2010
7688237 Apparatus and method for analog-to-digital converter calibration Mar. 30, 2010
7688236 Integrated circuit comprising a plurality of digital-to-analog converters, sigma-delta modulator circuit, and method of calibrating a plurality of multibit digital-to-analog converters Mar. 30, 2010
7683819 Analog-to-digital converting circuit Mar. 23, 2010
7683813 Digital-to-analog converter carrying out calibration operation for current source cells Mar. 23, 2010
7679540 Double sampling DAC and integrator Mar. 16, 2010
7679539 Randomized thermometer-coding digital-to-analog converter and method therefor Mar. 16, 2010
7679537 Precision microcontroller-based pulse width modulation digital-to-analog conversion circuit and method Mar. 16, 2010
7675451 Serial-parallel type analog-to-digital converter and analog-to-digital conversion method Mar. 9, 2010
7675446 Filter applied in sigma-delta modulator and filtering method thereof Mar. 9, 2010
7675441 Pilot-tone calibration for time-interleaved analog-to-digital converters Mar. 9, 2010
7671773 Jitter insensitive single bit digital to analog converter Mar. 2, 2010
7671770 Single pass INL trim algorithm for networks Mar. 2, 2010
7671769 Multistage analog/digital converter and method for calibrating said converter Mar. 2, 2010
7667633 Time-to-digital converter with high resolution and wide measurement range Feb. 23, 2010
7667631 Mixed signal system-on-a-chip integrated simultaneous multiple sample/hold circuits and embedded analog comparators Feb. 23, 2010
7663516 Scheme for non-linearity correction of residue amplifiers in a pipelined analog-to-digital converter (ADC) Feb. 16, 2010
7659841 Quadratic and cubic compensation of sigma-delta D/A and A/D converters Feb. 9, 2010
7659840 Sigma-delta conversion circuit suitable for photocurrent measurement applications Feb. 9, 2010
7652613 Method and device for processing an incident signal, in particular for filtering and analog/digital conversion Jan. 26, 2010
7652600 A/D converter comprising a voltage comparator device Jan. 26, 2010











 
 
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