Photography – Camera detail – Shutter
Patent
1997-07-23
1999-09-14
Metjahic, Safet
Photography
Camera detail
Shutter
396469, 396478, 396493, 396497, G03B 900, G03B 908, G03B 910, G03B 958
Patent
active
059535504
ABSTRACT:
A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening. First and second motors are arranged to drive respectively the first and second light blocking members, and a control circuit is arranged to individually control the driving actions of the first and second motors.
REFERENCES:
patent: 2322733 (1943-06-01), Steiner
patent: 2347699 (1944-05-01), Magnus et al.
patent: 3575097 (1971-04-01), Gonzalez
patent: 4005448 (1977-01-01), Iwata et al.
patent: 4333721 (1982-06-01), Yoshima et al.
patent: 4373797 (1983-02-01), Shimada et al.
patent: 4417797 (1983-11-01), Senuma
patent: 4458998 (1984-07-01), Tanaka et al.
patent: 4464032 (1984-08-01), Kiuchi et al.
patent: 4754151 (1988-06-01), Billard
patent: 5117137 (1992-05-01), Kobayashi
patent: 5164766 (1992-11-01), Morita
patent: 5202721 (1993-04-01), Kobayashi et al.
patent: 5327185 (1994-07-01), Nakagawa
patent: 5355166 (1994-10-01), Date et al.
patent: 5384506 (1995-01-01), Aoshima
patent: 5489960 (1996-02-01), Tanabe et al.
patent: 5497208 (1996-03-01), Sato et al.
patent: 5658070 (1997-08-01), Rowe et al.
Canon Kabushiki Kaisha
Mahoney Christopher E.
Metjahic Safet
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