Patent
1983-09-01
1984-12-18
Perkey, William B.
354412, 354432, G03B 708
Patent
active
044887990
ABSTRACT:
There is provided a metering system using a focus detecting optical system characterized in that in a light path formed by an optical system for directing a light beam to focus detecting photoelectric transducer means, metering photoelectric transducer means, together with the focus detecting photoelectric transducer means, is disposed to effect the measurement of the brightness of an object as well.
REFERENCES:
patent: 3286097 (1966-11-01), Norwood
patent: 3498193 (1970-03-01), Shimomura et al.
patent: 4302089 (1981-11-01), Fukuhara
patent: 4322142 (1982-03-01), Kawamura et al.
patent: 4324464 (1982-04-01), Wick
patent: 4349254 (1982-09-01), Jyojiki et al.
Hosoe Kazuya
Suzuki Takashi
Canon Kabushiki Kaisha
Perkey William B.
LandOfFree
Metering system using a focus detecting optical system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Metering system using a focus detecting optical system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metering system using a focus detecting optical system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1985909