1981-09-14
1984-01-31
Adams, Russell E.
3542341, 3542581, G03B 708
Patent
active
044286554
ABSTRACT:
The mode selector device disclosed switches between a manual shutter time setting mode and an automatic shutter time setting mode, or between an electrically controlled shutter closing operation and a mechanically controlled shutter closing operation, by detecting the setting of a shutter time setting member to produce a signal level which controls a switching circuit to switch between the modes.
REFERENCES:
patent: 3650193 (1972-03-01), Shimizu
patent: 3930263 (1975-12-01), Urano
patent: 4024553 (1977-05-01), Maitani et al.
patent: 4200375 (1980-04-01), Ishiguro et al.
patent: 4332452 (1982-06-01), Nakano et al.
Shimizu Masami
Suzuki Nobuyuki
Adams Russell E.
Canon Kabushiki Kaisha
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