Range checking comparator

Details Range checking comparator Range checking comparator

1983-12-13

1986-02-25

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307474, 307360, 365205, H03K 524, G01R 19165, G11C 706

Patent

active

045729778

ABSTRACT:
A comparator includes a first terminal, a second terminal, a first flip-flop circuit which inverts when the voltage applied to the first terminal becomes larger by .DELTA.V.sub.1 than the voltage applied to the second terminal, a third terminal, a fourth terminal, and a second flip-flop circuit which inverts when the voltage applied to the third terminal becomes smaller by .DELTA.V.sub.2 than the voltage applied to the fourth terminal. The comparator further includes a first switching circuit and a second switching circuit which, respectively, connect the first terminal and the fourth terminal to a voltage source to be compared, a third switching circuit and a fourth switching circuit which connect the second terminal and the third terminal to a reference voltage source. Also included is a fifth switching circuit which is commonly connected to the first flip-flop circuit and the second flip-flop circuit.

REFERENCES:
patent: 4255678 (1981-03-01), Suzuki et al.
patent: 4327424 (1982-04-01), Wu
patent: 4358690 (1982-11-01), Ollendick
patent: 4366559 (1982-12-01), Misaizu et al.
patent: 4412143 (1983-10-01), Patella et al.
patent: 4413330 (1983-11-01), Chao
patent: 4443868 (1984-04-01), Takemae
patent: 4445203 (1984-04-01), Iwahashi
Patent Abstracts of Japan, vol. 4, No. 170, Nov. 22, 1980 & JP-A-55-134535.
Patent Abstracts of Japan, vol. 5, No. 3, Jan. 10, 1981 & JP-A-55-134535.
Electronics, vol. 53, No. 22, Oct. 9, 1980, New York, J. G. Posa "Four-State Cell Doubles ROM Bit Capacity", p. 39.
European Search Report, Appl. No. EP 83 40 2388, Berlin, Compl. Date 3/16/84, Examiner, Arendt, M.

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