Electrically-controlled shutter for automatic exposure camera

Details Electrically-controlled shutter for automatic exposure camera Electrically-controlled shutter for automatic exposure camera

1979-06-29

1981-05-19

Gellner, Michael L.

354 60F, 354145, G03B 1505

Patent

active

042681405

ABSTRACT:
In an electrically-controlled shutter circuit for use in automatic exposure camera, a gate circuit is connected between an electromagnetic device for driving a shutter rear curtain and a light control signal output terminal. The gate circuit is enabled by a flash ready signal produced from an automatic electronic flash device connected to the automatic exposure camera thereby to permit a light control signal producing in response to the deenergization of the electromagnetic device to pass therethrough to the automatic electronic flash device.

REFERENCES:
patent: 4023187 (1977-05-01), Shenk
patent: 4079389 (1978-03-01), Hashimoto et al.

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