Capacitance switch detection circuitry

Details Capacitance switch detection circuitry Capacitance switch detection circuitry

1981-06-08

1983-06-21

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 328138, H03K 906, H03K 1718

Patent

active

043895832

ABSTRACT:
Detection circuitry for a capacitance switch including a source of two-state electrical pulses that are supplied to two clock nodes 180.degree. out of phase, a buffer connected to one of the switch connection nodes, means between the clock nodes and the switch connections to maintain the buffer input at one condition when the capacitance switch is closed and to cause the buffer input conditions and the buffer output signal to vary with the two-state pulses when the capacitance switch is open, and a frequency detector connected to the buffer output.

REFERENCES:
patent: 3305732 (1967-02-01), Grossman et al.
patent: 3943382 (1976-03-01), Hermansdorfer et al.
patent: 3968447 (1976-07-01), Baylac et al.
patent: 3971959 (1976-07-01), Flournoy

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