Input quarter cycle timing circuit

Details Input quarter cycle timing circuit Input quarter cycle timing circuit

1976-02-27

1978-04-04

Feinberg, Samuel

Internal-combustion engines

Igniters

Incandescent

307269, F02P 100

Patent

active

040820750

ABSTRACT:
A timing circuit suitable for providing an output signal which occurs at the initiation of a negative going input signal and remains for a fixed percent duration of the period of the input signal. The timing circuit includes an input latch circuit for preventing any false output signal which might otherwise occur during the duration of the output signal because of input noise transients. The timing circuit is suitable to be provided in electronic ignition systems.

REFERENCES:
patent: 3011072 (1961-11-01), Gerlach
patent: 3474263 (1969-10-01), Kalb
patent: 3892219 (1975-07-01), Preiser et al.
patent: 3923029 (1975-12-01), Polo

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