Photometer for use in a camera

Details Photometer for use in a camera Photometer for use in a camera

1987-12-11

1989-02-28

Adams, Russell E.

354478, G03B 708

Patent

active

048090310

ABSTRACT:
A photometer in a camera having a plurality of light receiving portions on an identical substrate for conducting photo-metering for portions each corresponding to a marginal area and a central area of a picture plane in the camera.

REFERENCES:
patent: 3232192 (1966-02-01), Stimson
patent: 3450016 (1969-06-01), Yamada
patent: 3529893 (1970-09-01), Holle et al.
patent: 3741087 (1973-06-01), Kitai
patent: 4053908 (1977-10-01), Saito et al.
patent: 4063257 (1977-12-01), Mashimo et al.
patent: 4682873 (1987-07-01), Ohmura et al.
patent: 4712903 (1987-12-01), Schaefer
patent: 4739360 (1988-04-01), Ohmura et al.

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