Inhibit circuit for an electronic flash charge circuit

Details Inhibit circuit for an electronic flash charge circuit Inhibit circuit for an electronic flash charge circuit

1980-04-25

1981-12-15

Hix, L. T.

G03B 726

Patent

active

043056490

ABSTRACT:
In a camera of the type including an electronic flash light unit with an oscillating circuit and an electronic shutter which are both supplied with power from a common power supply, an inhibit circuit for an electric flash charge circuit is provided in which a base of the transistor in the oscillating circuit is connected to the output terminal of the exposure control circuit via a semi-conductor switching element. The semi-conductor switching element stops oscillation in the electric flash charge circuit while the exposure control circuit is in operation.

REFERENCES:
patent: 3810212 (1974-05-01), Biber
patent: 4131351 (1978-12-01), Iwata
patent: 4162836 (1979-07-01), Harrison
patent: 4201463 (1980-05-01), Harigaya

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