Three-state discernment circuit

Details Three-state discernment circuit Three-state discernment circuit

1976-06-22

1977-06-21

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307215, 307216, 307247A, 307244, 307236, 328 92, 328 95, H03K 1908, H03K 1702

Patent

active

040314103

ABSTRACT:
In a three-state discernment circuit, a signal including alternately recurring logic 0 and 1 levels is applied to a predetermined terminal to be suitably processed for discerning three different states. The signal including the logic 0 and 1 levels is applied to the predetermined terminal through a high output impedance circuit, and predetermined gate circuits are discerned in accordance with a power source potential condition, an opened condition and a round potential condition of the predetermined terminal.

REFERENCES:
patent: 3832576 (1974-08-01), Proebsting
patent: 3969633 (1976-07-01), Paluck et al.
"Ternary CMOS Logic Device" by Grimes in IBM Tech. Disclos. Bull.,vol. 17, No. 4, Sept. 1974, pp. 1145-1146.
"Three-State Indicating Ckt" by Powell in IBM Tech. Disclos. Bull., vol. 19, No. 5, Oct. 1976, pp. 1898-1899.

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