1985-08-21
1987-02-10
Adams, Russell E.
354409, 35419513, G03B 300
Patent
active
046419420
ABSTRACT:
A focus detecting system has a signal processing circuit for processing output signals from photoelectric transducer elements and generating an output representing the focusing state. A circuit is provided to stabilize the output against abrupt changes in focusing condition.
REFERENCES:
patent: 3955892 (1976-05-01), Numata et al.
patent: 4091275 (1978-05-01), Wilwerding
patent: 4298259 (1981-11-01), Aoki et al.
patent: 4319238 (1982-03-01), Ogusawara
patent: 4327284 (1982-04-01), Suzuki
patent: 4329032 (1982-05-01), Aoki et al.
patent: 4341953 (1982-07-01), Saki et al.
patent: 4411505 (1983-10-01), Sakai et al.
patent: 4437743 (1984-03-01), Sakai et al.
patent: 4445761 (1984-05-01), Ishikawa et al.
patent: 4459002 (1984-07-01), Sakai et al.
Hosoe Kazuya
Kinoshita Takao
Sakai Shinji
Shinoda Nobuhiko
Adams Russell E.
Canon Kabushiki Kaisha
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