Photographic camera apparatus for visually indicating the status

Details Photographic camera apparatus for visually indicating the status Photographic camera apparatus for visually indicating the status

1978-07-31

1980-04-29

Adams, Russell E.

354198, 354289, G03B 1720

Patent

active

042003733

ABSTRACT:
A photographic camera of the type having an automatic exposure control system which regulates the exposure delivered to a film of predetermined speed and which includes a manually operable exposure trim mechanism which varies the control of the exposure control system in accordance with the trim mechanism's position is provided with apparatus by which a visual indication of the status of the trim mechanism is provided in the camera's viewfinder.

REFERENCES:
patent: 2952195 (1960-09-01), Babcock et al.
patent: 3128669 (1964-04-01), Steisslinger
patent: 3150581 (1964-09-01), Wilharm
patent: 3179027 (1965-04-01), Swarofsky
patent: 3416867 (1968-12-01), Biber
patent: 3570382 (1971-03-01), Neudecker et al.
patent: 3583300 (1971-06-01), Johnson et al.
patent: 3792650 (1974-02-01), Mueller et al.
patent: 4060817 (1977-11-01), Dionne

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