Analog timer including controllable operate-recovery time consta

Details Analog timer including controllable operate-recovery time consta Analog timer including controllable operate-recovery time consta

1975-10-31

1977-01-04

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307229, 307293, 328127, H03K 5159

Patent

active

040016986

ABSTRACT:
An analog timer circuit including an operational amplifier integrator and a voltage comparator is employed to yield time delayed pulse signals. The timer period is based on the linear integration rate of the integrator circuit with the comparator circuit sensing changes in the magnitude of the potential developed at an inverter input of the integrator operational amplifier which exceed predetermined threshold levels to initiate and terminate generation of a pulse. Pulse position and pulse width errors in the timer output are minimized by controlling the integration rate of the integrator.

REFERENCES:
patent: 3836791 (1974-09-01), Galloway
patent: 3889197 (1975-06-01), Duff
patent: 3914623 (1975-10-01), Clancy
patent: 3943456 (1976-03-01), Luce

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