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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7132966 |
Floating point IDAC |
Nov. 7, 2006 |
| 7088779 |
Method and apparatus for reducing the word length of a digital input signal and method and apparatus for recovering a digital input signal |
Aug. 8, 2006 |
| 7062159 |
Device for correcting a digital estimate of an electric signal |
Jun. 13, 2006 |
| 7053806 |
System and method for calibration of autoranging architectures |
May. 30, 2006 |
| 7023927 |
Constellation design for PCM upstream modulation |
Apr. 4, 2006 |
| 6999014 |
Incremental-delta analogue-to-digital conversion |
Feb. 14, 2006 |
| 6999013 |
Built-in real-time digital non-linearity measurement device and method for analog to digital converters |
Feb. 14, 2006 |
| 6900751 |
Logarithmic digital to analog converter having multipliers coupled to reference voltages |
May. 31, 2005 |
| 6674380 |
Digital-phase to digital amplitude translator with first bit off priority coded output for input to unit weighed digital to analog converter |
Jan. 6, 2004 |
| 6664913 |
Lossless coding method for waveform data |
Dec. 16, 2003 |
| 6633247 |
Logarithmic a/d converter, method of logarithmic a/d conversion logarithmic d/a converter, method of logarithmic d/a conversion, and system for measuring physical quantity |
Oct. 14, 2003 |
| 6608579 |
Digital-to-analog converting circuit giving linear relation between digital code and oscillation frequency of oscillator |
Aug. 19, 2003 |
| 6535152 |
Analog-to-digital converter having gamma-corrected reference voltages |
Mar. 18, 2003 |
| 6529149 |
Digital self-calibration of a digital-to-analog converter |
Mar. 4, 2003 |
| 6525683 |
Nonlinearly converting a signal to compensate for non-uniformities and degradations in a display |
Feb. 25, 2003 |
| 6501404 |
System and method for encoding an input data stream by utilizing a predictive, look-ahead feature |
Dec. 31, 2002 |
| 6498577 |
Piecewise-linear, non-uniform ADC |
Dec. 24, 2002 |
| 6483450 |
Method and device for digital-to-analog conversion of a signal |
Nov. 19, 2002 |
| 6480129 |
Methods and apparatus for correction of higher order delta sigma converters |
Nov. 12, 2002 |
| 6466149 |
Apparatus and method for digital to analog conversion |
Oct. 15, 2002 |
| 6466148 |
D/A conversion method and D/A converter |
Oct. 15, 2002 |
| 6445319 |
Analog to digital converter circuit |
Sep. 3, 2002 |
| 6433718 |
D/A conversion method and apparatus |
Aug. 13, 2002 |
| 6414613 |
Apparatus for noise shaping a pulse width modulation (PWM) signal and method therefor |
Jul. 2, 2002 |
| 6392574 |
System and method for exponential digital to analog conversion |
May. 21, 2002 |
| 6356221 |
Electron beam analog to digital converter including time sampling of the input signal |
Mar. 12, 2002 |
| 6310568 |
Digital-to-analog conversion circuit |
Oct. 30, 2001 |
| 6297758 |
Electrooptical scanning analog-to-digital converter |
Oct. 2, 2001 |
| 6295013 |
Nonlinear flash analog to digital converter used in an active pixel system |
Sep. 25, 2001 |
| 6275259 |
Digital automatic gain control circuit for image system |
Aug. 14, 2001 |
| 6243033 |
Signal value representing method and system |
Jun. 5, 2001 |
| 6225932 |
Color palette ram and D/A converter |
May. 1, 2001 |
| 6208278 |
System and method for logarithmic digital to analog conversion |
Mar. 27, 2001 |
| 6195029 |
Analog to digital conversion system that enables high-level signal excursions without clipping |
Feb. 27, 2001 |
| 6188343 |
Method and structure for providing a digitally controlled voltage gain amplifier with non-linear gain adjustments |
Feb. 13, 2001 |
| 6181265 |
Non-linear digital-to-analog converter |
Jan. 30, 2001 |
| 6154121 |
Non-linear digital-to-analog converter and display incorporating the same |
Nov. 28, 2000 |
| 6057891 |
Method and apparatus for calibrating an analog to digital converter |
May. 2, 2000 |
| 5986596 |
Concise storage and expansion of signal constellations in PCM space for high speed data communication |
Nov. 16, 1999 |
| 5948915 |
Cyclobutenedione derivative, manufacturing method thereof and non-linear optical device containing the same |
Sep. 7, 1999 |
| 5877717 |
D/A converter with a Gamma correction circuit |
Mar. 2, 1999 |
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