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Class Information
Number: 341/129
Name: Coded data generation or conversion > Analog to or from digital conversion > Bipolar > Plural slope analog to digital converter
Description: Subject matter where the input analog signal is integrated for a fixed time interval following which there is a nonlinear return of the integrated signal to a reference level by means of applied plural signals or by changing the frequency of a clock signal which is being counted.










Patents under this class:

Patent Number Title Of Patent Date Issued
8711952 Analog to digital converter with increased sub-range resolution Apr. 29, 2014
8547261 Calibration device for mobile terminal and ADC module thereof Oct. 1, 2013
8483291 Analog to digital converter with increased sub-range resolution Jul. 9, 2013
8462246 Apparatus and method for CDS and ADC with multiple samplings in image sensor Jun. 11, 2013
7746521 Analog-to-digital conversion in CMOS image sensor Jun. 29, 2010
7733250 Microcontroller having in-situ autocalibrated integrating analog-to-digital converter (IADC) Jun. 8, 2010
7467036 In-vehicle electronic control unit Dec. 16, 2008
7414553 Microcontroller having in-situ autocalibrated integrating analog-to-digital converter (IADC) Aug. 19, 2008
7379011 Lossless nonlinear analog gain controller in image sensor and manufacturing method thereof May. 27, 2008
7064694 Multi-cycle, multi-slope analog to digital converter Jun. 20, 2006
6850178 Analog-to-digital conversion method and device Feb. 1, 2005
6661359 Device and method for generating synchronous numeric signals Dec. 9, 2003
6636575 Cascading PLL units for achieving rapid synchronization between digital communications systems Oct. 21, 2003
6535156 Method and apparatus for a folding analog-to-digital converter (ADC) having a coarse decoder with reduced complexity Mar. 18, 2003
6492929 Analogue to digital converter and method of analogue to digital conversion with non-uniform sampling Dec. 10, 2002
6448918 Digital/analog converter Sep. 10, 2002
6285310 Integrating analog/digital converter Sep. 4, 2001
5781142 Method and apparatus for converting an analog measurement signal to a digital signal having reduced conversion error Jul. 14, 1998
5565869 Multiple slope analog-to-digital converter having increased linearity Oct. 15, 1996
RE34899 Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset Apr. 11, 1995
RE34428 Analog-to-digital converter with offset voltage polarity inversion Nov. 2, 1993
5022052 Analog signal binary transmission system using slope detection Jun. 4, 1991
5019817 Analogue-to-digital converter May. 28, 1991
4942401 Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset Jul. 17, 1990
4906996 Analog-to-digital converter with offset voltage polarity inversion Mar. 6, 1990
4573037 Analog-to digital converter and method Feb. 25, 1986
4357600 Multislope converter and conversion technique Nov. 2, 1982
4309692 Integrating analog-to-digital converter Jan. 5, 1982
4195283 Method for converting an analog voltage to a digital value free from conversion errors, and an integrating type analog-to-digital converter capable of eliminating conversion errors Mar. 25, 1980
RE29992 Integrating analog-to-digital converter having digitally-derived offset error compensation and bipolar operation without zero discontinuity May. 8, 1979
4081800 Analog-to-digital converter Mar. 28, 1978
4063236 Analog-digital converter Dec. 13, 1977
3943506 Multiple ramp digitisers Mar. 9, 1976
3942174 Bipolar multiple ramp digitisers Mar. 2, 1976











 
 
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