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Class Information
Number: 341/128
Name: Coded data generation or conversion > Analog to or from digital conversion > Bipolar > Dual 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 linear return of the integrated signal to a reference level by means of an applied signal; the order of application of the two signals may be reversed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7379011 |
Lossless nonlinear analog gain controller in image sensor and manufacturing method thereof |
May. 27, 2008 |
| 7030796 |
Analog-to-digital converting apparatus for processing a plurality of analog input signals at high rate and display device using the same |
Apr. 18, 2006 |
| 6825789 |
Dual path analog-to-digital conversion method and system |
Nov. 30, 2004 |
| 6784823 |
Rail to rail dual slope ADC |
Aug. 31, 2004 |
| 6778125 |
Dual path analog-to-digital conversion method and system |
Aug. 17, 2004 |
| 6762705 |
Controlled drive circuit for an analog driven power semiconductor |
Jul. 13, 2004 |
| 6646586 |
Dual-slope analog-to-digital converter and comparison circuit |
Nov. 11, 2003 |
| 6636575 |
Cascading PLL units for achieving rapid synchronization between digital communications systems |
Oct. 21, 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 |
| 6384760 |
Analog-to-digital converter |
May. 7, 2002 |
| 6285310 |
Integrating analog/digital converter |
Sep. 4, 2001 |
| 5831568 |
Process for the analog/digital conversion of an electric signal and device for implementing it |
Nov. 3, 1998 |
| 5781142 |
Method and apparatus for converting an analog measurement signal to a digital signal having reduced conversion error |
Jul. 14, 1998 |
| 5579194 |
Motor starter with dual-slope integrator |
Nov. 26, 1996 |
| 5546082 |
Measurement probe with improved analog-to-digital conversion |
Aug. 13, 1996 |
| 5229772 |
Ratiometric ADC with pulse width modulated output for wide temperature range applications |
Jul. 20, 1993 |
| 5229771 |
Analog to digital converter for converting multiple analog input signals to corresponding digital output signals during one conversion cycle |
Jul. 20, 1993 |
| 5184128 |
Integrating A/D converter with means for reducing rollover error |
Feb. 2, 1993 |
| 5099239 |
Multi-channel analogue to digital convertor |
Mar. 24, 1992 |
| 4939520 |
Analog to digital converter using an integrator having a partially controlled output signal |
Jul. 3, 1990 |
| 4908623 |
Apparatus and method for range control and supply voltage compensation in a dual slope analog to digital converter |
Mar. 13, 1990 |
| 4891644 |
Device for determining pick-up head tracking error in a digital tape player |
Jan. 2, 1990 |
| 4857933 |
Analogue to digital converter of the multi-slope type |
Aug. 15, 1989 |
| 4855743 |
Analog interface system |
Aug. 8, 1989 |
| 4851839 |
Dual-slope analog-to-digital converter with voltage to current converter |
Jul. 25, 1989 |
| 4851838 |
Single chip successive approximation analog-to-digital converter with trimmable and controllable digital-to-analog converter |
Jul. 25, 1989 |
| 4847620 |
Clock-controlled voltage-to-frequency converter |
Jul. 11, 1989 |
| 4829299 |
Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading |
May. 9, 1989 |
| 4584566 |
Analog to digital converter |
Apr. 22, 1986 |
| 4445111 |
Bi-polar electronic signal converters with single polarity accurate reference source |
Apr. 24, 1984 |
| 4404545 |
Analog-to-digital converter of the dual slope type |
Sep. 13, 1983 |
| 4339958 |
Analog-to-digital converter for electromagnetic flowmeter |
Jul. 20, 1982 |
| 4229730 |
Modified dual-slope analog to digital converter |
Oct. 21, 1980 |
| 4151516 |
PCM coder with shifting idle channel noise level |
Apr. 24, 1979 |
| 4082998 |
Dual slope integration circuit |
Apr. 4, 1978 |
| 4074257 |
Auto-polarity dual ramp analog to digital converter |
Feb. 14, 1978 |
| 4050065 |
Dual slope analog to digital converter with delay compensation |
Sep. 20, 1977 |
| 3987435 |
Analog-to-digital converter utilizing time reference for effecting conversion |
Oct. 19, 1976 |
| 3967270 |
Analog-to-digital converter |
Jun. 29, 1976 |
| 3958236 |
Offset control in autozeroing circuits for analog-to-digital converters |
May. 18, 1976 |
| 3942173 |
Offset error compensation for integrating analog-to-digital converter |
Mar. 2, 1976 |
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