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Class Information
Number: 341/171
Name: Coded data generation or conversion > Analog to or from digital conversion > Analog to digital conversion > Using magnetic or cryogenic components
Description: Subject matter wherein particular magnetic components or components used at very low temperatures near absolute zero form an essential part of an analog to digital conversion.










Patents under this class:

Patent Number Title Of Patent Date Issued
7714764 Analog to digital converter which uses tunneling magneto-resistive devices May. 11, 2010
7501877 Superconducting single flux quantum modulator circuit Mar. 10, 2009
6542088 Multiturn rotary encoder with multiple code carriers coupled by a reduction gear Apr. 1, 2003
6452520 Gated counter analog-to-digital converter with error correction Sep. 17, 2002
5942997 Correlated superconductor single flux quantum analog-to-digital converter Aug. 24, 1999
5420586 Superconducting analog to digital converter type circuit May. 30, 1995
5398030 High-performance superconducting digital-to-analog converter employing double-junction squid flip-flops Mar. 14, 1995
5345114 Superconductor logic and switching circuits Sep. 6, 1994
5341136 Bandpass sigma-delta modulator for analog-to-digital converters Aug. 23, 1994
5327130 Spur-free sigma-delta modulator and multiple flux quanta feedback generator Jul. 5, 1994
5272479 High sensitivity superconductive digitizer Dec. 21, 1993
5227792 Superconducting analog-to-digital converter with a triple-junction reversible flip-flop bidirectional counter Jul. 13, 1993
5099238 Parallel analog to digital converter Mar. 24, 1992
5089817 High resolution encoder Feb. 18, 1992
5019818 Superconducting analog-to-digital converter with grounded four-junction squid bidirectional counter May. 28, 1991
5012243 Superconducting analog-to-digital converter with floating four-junction squid bidirectional counter Apr. 30, 1991
5012238 Absolute encoder Apr. 30, 1991
4987415 High resolution encoder Jan. 22, 1991
4963871 Analog-to-digital converter using superconducting material Oct. 16, 1990
4956642 Superconducting analog to digital converter Sep. 11, 1990
4940983 A/D converters Jul. 10, 1990
4922250 Superconducting analog-to-digital converter with bidirectional counter May. 1, 1990
4899145 Encoder and method of adjusting magnetic fields of the same Feb. 6, 1990
4893121 Printwheel and encoder assembly Jan. 9, 1990
4879488 Vernier for superconducting analog-to-digital converter Nov. 7, 1989
4841228 Apparatus for indicating the resistive characteristic of a capacitor Jun. 20, 1989
4672359 Superconducting analog-to-digital converter and digital magnetometer and related method for its use Jun. 9, 1987
4646060 Superconducting analog-to-digital converter with bidirectional counter Feb. 24, 1987
4536744 Analog to digital converter for precision measurements of A.C. signals Aug. 20, 1985
4315255 Multiple-quantum interference superconducting analog-to-digital converter Feb. 9, 1982
4179750 Magnetic bubble type D/A converter Dec. 18, 1979
3983419 Analog waveform transducing circuit Sep. 28, 1976











 
 
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