Photography – Having variable focal length of camera objective – Automatic change of focal length
Patent
1994-08-01
1997-12-09
Metjahic, Safet
Photography
Having variable focal length of camera objective
Automatic change of focal length
396 72, G03B 118, G03B 700
Patent
active
056970005
ABSTRACT:
A camera is provided with a varifocal lens including a zoom lens system driven by a motor and by a zoom lens drive control section and a focusing lens system driven by a motor and by a focusing lens drive control section for performing focusing before the zoom lens system is driven or while the zoom lens system is being driven. The camera is also provided with a lens switch sensor for determining whether an operation member for starting an exposure operation has been operated or not and a body control section and a lens control section for halting the driving of the zoom lens system when it is determined that the operation member has been operated by the sensor to re-start the driving of the focusing lens system.
REFERENCES:
patent: 4724139 (1988-02-01), Ogasawara
patent: 4777504 (1988-10-01), Aizada et al.
patent: 4780738 (1988-10-01), Fukahori et al.
patent: 4861146 (1989-08-01), Hatase et al.
patent: 4896177 (1990-01-01), Kazami et al.
patent: 4942417 (1990-07-01), Miyazawa et al.
patent: 5010358 (1991-04-01), Miyamoto
patent: 5053799 (1991-10-01), Arashi
patent: 5053801 (1991-10-01), Ishida et al.
patent: 5066968 (1991-11-01), Suzuki et al.
patent: 5111226 (1992-05-01), Nakamura et al.
patent: 5134432 (1992-07-01), Kohmoto et al.
patent: 5138354 (1992-08-01), Okada et al.
patent: 5142318 (1992-08-01), Taniguchi et al.
patent: 5148199 (1992-09-01), Kohmoto et al.
patent: 5155515 (1992-10-01), Kohmoto et al.
patent: 5157433 (1992-10-01), Onozuka et al.
patent: 5164860 (1992-11-01), Suzuki et al.
patent: 5189458 (1993-02-01), Miyamoto et al.
patent: 5196880 (1993-03-01), Ishibashi et al.
patent: 5204709 (1993-04-01), Sato
patent: 5264883 (1993-11-01), Kazami et al.
patent: 5276563 (1994-01-01), Ogawa
patent: 5434638 (1995-07-01), Ishibashi et al.
Akahoshi Kimiharu
Akamatsu Norihiko
Hara Yoshihiro
Ishibashi Kenji
Metjahic Safet
Minolta Camera Kabushiki Kaisha
Tuccillo Nicholas J.
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