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Class Information
Number: 341/127
Name: Coded data generation or conversion > Analog to or from digital conversion > Bipolar
Description: Subject matter where the analog signal has appreciable amplitude in both directions from a reference level.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7362248 |
Temperature tamper detection circuit and method |
Apr. 22, 2008 |
| 7317409 |
Apparatus and method for interfacing time-variant signals |
Jan. 8, 2008 |
| 7236111 |
Linearizing methods and structures for amplifiers |
Jun. 26, 2007 |
| 7116253 |
Radio frequency digital-to-analog converter |
Oct. 3, 2006 |
| 7030790 |
Systems and methods for auto gain control in Bi-CMOS digital to analog converters |
Apr. 18, 2006 |
| 6888485 |
Digital-analog converter |
May. 3, 2005 |
| 6744391 |
System for sampling a signal in an electronic instrument using a unipolar A/D converter |
Jun. 1, 2004 |
| 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 |
| 6492929 |
Analogue to digital converter and method of analogue to digital conversion with non-uniform sampling |
Dec. 10, 2002 |
| 6369743 |
Differential amplifier, comparator, and A/D converter |
Apr. 9, 2002 |
| 6346902 |
Analog to digital converter |
Feb. 12, 2002 |
| 6246353 |
Integrated-circuit structures and methods for correction of temperature and process-induced parameter errors |
Jun. 12, 2001 |
| 5990817 |
A/D conversion device having a programmable transfer characteristic |
Nov. 23, 1999 |
| 5805095 |
Two's complement digital to analog converter |
Sep. 8, 1998 |
| 5670951 |
Radio communication device and method for generating threshold levels in a radio communication device for receiving four-level signals |
Sep. 23, 1997 |
| 5661480 |
Analog-to-digital converters with reduced power and area using offset current compensation |
Aug. 26, 1997 |
| 5614904 |
Balance companded delta conversion for homodyne receiver |
Mar. 25, 1997 |
| 5554988 |
Apparatus and method for generating a data signal |
Sep. 10, 1996 |
| 5323159 |
Digital/analog converter |
Jun. 21, 1994 |
| 5296857 |
Digital to analog converter with precise linear output for both positive and negative digital input values |
Mar. 22, 1994 |
| 5289191 |
Bipolar analog-to-digital conversion apparatus with unipolar current and voltage modes |
Feb. 22, 1994 |
| 5283583 |
High-speed A/D conversion using a series of one-bit conversion stages |
Feb. 1, 1994 |
| 5241312 |
High resolution analog to digital converter |
Aug. 31, 1993 |
| 5227791 |
East high-bit one step electronic analog-to-digital converter |
Jul. 13, 1993 |
| 5182561 |
Integrated converter with gate for supplying integrating dock pulses to counters only during reference signal integrating period |
Jan. 26, 1993 |
| 5157400 |
Automatic reference voltage controller of integral analog/digital converter |
Oct. 20, 1992 |
| 5128674 |
Two quadrants high speed multiplying DAC |
Jul. 7, 1992 |
| 5119094 |
Termination circuit for an R-2R, ladder that compensates for the temperature drift caused by different current densities along the ladder, using one type of biopolar transistor |
Jun. 2, 1992 |
| 5010339 |
Ultra linear spectroscopic analog-to-digital converter |
Apr. 23, 1991 |
| 4982192 |
Digital-to-analog converter having common adjustment means |
Jan. 1, 1991 |
| 4978959 |
Analog to digital converter, a digital to analog converter and an operational amplifier therefor |
Dec. 18, 1990 |
| 4973973 |
Code converter and encoder for converting a unipolar binary coded signal into a bipolar binary coded signal |
Nov. 27, 1990 |
| 4972188 |
Push pull double digital-to-analog converter |
Nov. 20, 1990 |
| 4937578 |
D/A converter for digital signals represented by a 2's complement |
Jun. 26, 1990 |
| 4926174 |
Digital voltmeter |
May. 15, 1990 |
| 4891645 |
Digital-to-analog converter with on-board unity gain inverting amplifier |
Jan. 2, 1990 |
| 4855743 |
Analog interface system |
Aug. 8, 1989 |
| 4849759 |
Analogue to digital converter |
Jul. 18, 1989 |
| 4837572 |
Digital-to-analog converter |
Jun. 6, 1989 |
| 4766417 |
Automatic offset compensating bipolar A/D converter circuit |
Aug. 23, 1988 |
| 4683458 |
Current-steering digital-to-analog converter for providing bi-directional currents through a load |
Jul. 28, 1987 |
| 4673916 |
Method and system for decoding a digital signal using a variable frequency low-pass filter |
Jun. 16, 1987 |
| 4636773 |
Binarily weighted pulse width digital-to-analog converter |
Jan. 13, 1987 |
| RE32313 |
Digital-to-analog converter and PCM encoder using the converter |
Dec. 23, 1986 |
| 4618852 |
Monotonic A/D converter which minimizes circuitry for high order bit conversion |
Oct. 21, 1986 |
| 4590459 |
Analog/digital converter |
May. 20, 1986 |
| 4580127 |
Circuit for converting analog bipolar signals to digital signals |
Apr. 1, 1986 |
| 4517551 |
Digital to analog converter circuit |
May. 14, 1985 |
| 4488144 |
High linearity digital to analog converter |
Dec. 11, 1984 |
| 4473818 |
Bipolar digital to analog converter |
Sep. 25, 1984 |
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