Exposure control apparatus

Details Exposure control apparatus Exposure control apparatus

1976-01-26

1977-10-04

Hix, L. T.

354 31, 354 43, 354 51, G03B 714

Patent

active

040527263

ABSTRACT:
A camera shutter having a light-responsive circuit that regulates movement of the shutter to effect an exposure of duration related to actual scene brightness, an exposure-limiting device that operates to limit the duration of the exposure to correspond to a predetermined scene brightness, means for selectively disabling the exposure-limiting device, and shutter reset apparatus that, if the exposure-limiting device is disabled during an exposure, reenables the device when the shutter is reset.

REFERENCES:
patent: T922009 (1973-10-24), Alessi
patent: 2931285 (1960-04-01), Hahn et al.
patent: 3326103 (1967-06-01), Topaz
patent: 3500729 (1970-03-01), Rentschler et al.
patent: 3672267 (1972-06-01), Harvey et al.
patent: 3673415 (1972-06-01), Yoshimura et al.
patent: 3709113 (1973-01-01), Wood
patent: 3924263 (1975-12-01), Alessi

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