Photometry device for camera

Details Photometry device for camera Photometry device for camera

1990-12-27

1992-08-04

Adams, Russell E.

354481, 354485, G03B 7099

Patent

active

051363267

ABSTRACT:
A photometry device having a block body, constructed as a single body, on which all of the elements of a photometry system are mounted. The photometry system includes a condenser lens, a stop plate having a stop and a photosensor. An output characteristic of the photo sensor is determined by a pre-set resistance provided in a circuit board, and is adjusted during the process of assembling the block body. The photo sensor does not require a re-adjustment after the block body is assembled into a camera.

REFERENCES:
patent: 3601027 (1971-08-01), Ono et al.
patent: 3726197 (1973-04-01), Hasegawa et al.
patent: 4341448 (1982-07-01), Toyoda et al.
patent: 4555169 (1985-11-01), Suda et al.
patent: 4615602 (1986-10-01), Eguchi
patent: 4774539 (1988-09-01), Suda et al.
patent: 5033844 (1991-07-01), Itabashi

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