Camera with detachable electronic flash unit and exposure contro

Details Camera with detachable electronic flash unit and exposure contro Camera with detachable electronic flash unit and exposure contro

1976-06-22

1978-06-20

Hix, L. T.

354 34, 354 35, 354 27, 354 60F, 354127, 354139, 354149, G03B 716

Patent

active

040964922

ABSTRACT:
A camera with a detachable electronic flash unit. The camera includes apparatus effective when the flash unit is detached for making an automatically controlled exposure under ambient light conditions. When the flash unit is attached, the ambient exposure control system is disabled and operation of the camera is inhibited until charging of the flash unit is initiated by pressing a button. When the flash unit is charged, the camera is enabled to make a flash exposure by triggering the flash unit, during an interval of time in which the light output of the electronic flash unit is regulated so that a uniform flash of light will be produced when the shutter is actuated.

REFERENCES:
patent: 3316445 (1967-04-01), Ahrons
patent: 3439597 (1969-04-01), Wagner
patent: 3917395 (1975-11-01), Ogawa
patent: 3953864 (1976-04-01), Iwata et al.
patent: 3997815 (1976-12-01), Decker
patent: 4001640 (1977-01-01), Biber

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