Patent
1984-10-02
1985-08-13
Perkey, William B.
G03B 300
Patent
active
045346372
ABSTRACT:
In the disclosed camera, an optical arrangement projects substantially collimated light rays from a light emitter toward an object through an objective system in a finder, and a light receiver produces a signal that determines the relationship between the object and the camera by detecting the light from the objective system after reflection by the object.
REFERENCES:
patent: 3953863 (1976-04-01), Lang
patent: 4025785 (1977-05-01), Mueller
patent: 4200380 (1980-04-01), Sato et al.
patent: 4358190 (1982-11-01), Sakai
Matsumura Susumu
Ohtaka Keiji
Suzuki Takashi
Canon Kabushiki Kaisha
Perkey William B.
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