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Class Information
Number: 341/138
Name: Coded data generation or conversion > Analog to or from digital conversion > Nonlinear
Description: Subject matter where the output does not vary in direct proportion to the input.










Sub-classes under this class:

Class Number Class Name Patents
341/139 Automatic control for increasing converter range (e.g., gain ranging, automatic gain control) 459
341/140 Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer) 76


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8681028 Analog to digital converter provided with pulse delay circuit Mar. 25, 2014
8665125 Electronic device and method for measuring differential non-linearity (DNL) of an SAR ADC Mar. 4, 2014
8665126 .SIGMA..DELTA. difference-of-squares LOG-RMS to DC converter with forward and feedback paths signal squaring Mar. 4, 2014
8659656 Hyperspectral imaging unmixing Feb. 25, 2014
8587460 A/D conversion device and compensation control method for A/D conversion device Nov. 19, 2013
8581760 Digital to analog converter Nov. 12, 2013
8542140 Exponential-logarithmic analog-to-digital converter Sep. 24, 2013
8508395 Time varying quantization-based linearity enhancement of signal converters and mixed-signal systems Aug. 13, 2013
8493252 Logarithmic analog/digital conversion method for an analog input signal, and corresponding device Jul. 23, 2013
8493253 N-bit digital-to-analog converting device Jul. 23, 2013
8471742 Quantization device, radio-frequency receiver comprising such a device and quantization method Jun. 25, 2013
8466817 Electronic device and method for driving an internal function block of a processor of the electronic device to operate in a linear region Jun. 18, 2013
8390492 Signal processing apparatus Mar. 5, 2013
8059020 Adjustable analogue-digital converter arrangement and method for analogue-to-digital conversion Nov. 15, 2011
8009071 Gain circuit Aug. 30, 2011
7994956 Digital-to-analog converter circuit, data driver, and display device using the digital-to-analog converter circuit Aug. 9, 2011
7982650 Digital-to-analog converter (DAC) and an associated method Jul. 19, 2011
7961127 Variable gain stage having same input capacitance regardless of the stage gain Jun. 14, 2011
7956779 Non-linear interpolation circuit, interpolation current generating circuit thereof and method for converting digital data into analog data Jun. 7, 2011
7936292 Diode smart track May. 3, 2011
7859441 Data readout system having non-uniform ADC resolution and method thereof Dec. 28, 2010
7808411 Method and circuit for digitizing with improved resolution Oct. 5, 2010
7808416 Output circuit, digital analog circuit and display device Oct. 5, 2010
7796067 Curvature correction methodology Sep. 14, 2010
7733246 A/D converter for wideband digital communication Jun. 8, 2010
7733255 Digital-to-analog converter with logarithmic selectable response and methods Jun. 8, 2010
7724167 Integrated circuit arrangement, and method for programming an integrated circuit arrangement May. 25, 2010
7724168 Pulse domain linear programming circuit May. 25, 2010
7675443 Saturation detector for an ADC Mar. 9, 2010
7663523 System unit element selection Feb. 16, 2010
7642941 Gamma reference voltages generating circuit Jan. 5, 2010
7609195 On die thermal sensor and method for generating thermal code of ODTS Oct. 27, 2009
7586428 Non-linear processing of signals Sep. 8, 2009
7576669 Method and apparatus for calibrating analog-to-digital converters within an imaging device Aug. 18, 2009
7576674 Digital-to-analog converter circuit, data driver, and display device using the digital-to-analog converter circuit Aug. 18, 2009
7570185 Data acquisition system for medical imaging Aug. 4, 2009
7432839 ADC with logarithmic response and methods for controlling RF power levels Oct. 7, 2008
7432838 Method and apparatus for reduced power consumption ADC conversion Oct. 7, 2008
7408492 A/D converter for wideband digital communication Aug. 5, 2008
7397403 Range compression in oversampling analog-to-digital converters using differential input signals Jul. 8, 2008
7397404 Digital linearizing system Jul. 8, 2008
7382306 AD converter and display unit Jun. 3, 2008
7369074 D/A converter for a digital signal after non-linear A/D conversion, audio signal processing circuit and liquid crystal display device including the same May. 6, 2008
7333040 Flash ADC with sparse codes matched to input noise Feb. 19, 2008
7250884 Analog-to-digital converters for control loop applications Jul. 31, 2007
7239257 Hardware efficient digital control loop architecture for a power converter Jul. 3, 2007
7212592 Digitally programmable gain control circuit May. 1, 2007
7158061 A/D converter for wideband digital communication Jan. 2, 2007
7154424 Digital equalization apparatus Dec. 26, 2006
7135999 Circuit arrangement for compensation for nonlinearities from analog/digital converters operating with different timing Nov. 14, 2006

1 2 3 4 5










 
 
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