Photometric device for camera

Details Photometric device for camera Photometric device for camera

1985-08-27

1987-07-28

Perkey, William B.

G03B 7099

Patent

active

046828737

ABSTRACT:
A photometric device disposed in the optical path of a view finder of a camera includes a photometric element which includes a plurality of minute photo-electric conversion elements. Each of the minute photometric elements is formed by a minute transparent electrode, a minute photo-electric converter, a minute opaque electrode and a transparent substrate which are arranged in that order from the side of a photo-taking lens.

REFERENCES:
patent: 2305576 (1942-12-01), Lamb
patent: 3450016 (1969-06-01), Yamada
patent: 3620147 (1971-11-01), Atako et al.
patent: 4104651 (1978-08-01), Matsumoto et al.
patent: 4431913 (1984-02-01), Sekimoto et al.

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