Photography – Camera shake sensing – Having stabilization system
Patent
1996-07-19
1997-08-19
Perkey, W. B.
Photography
Camera shake sensing
Having stabilization system
G03B 500
Patent
active
056598084
ABSTRACT:
The present invention is directed to an optical apparatus which includes a fluctuation detection device (fluctuation sensors) for detecting a fluctuation of the apparatus; a frame body (comprised of a fixed barrel, an exterior ring, a mount, a back lid, and so on) for holding the fluctuation detection device; and an optical member (fixed lens), wherein the frame body and the optical member are operated in order to substantially shield between a movable member (a shutter member of camera) and the fluctuation detection device so as to prevent a fluctuation of air caused by an operation of the movable member from traveling to the fluctuation detection device through the frame body. By this structure, the fluctuation of air caused by the operation of the movable member is prevented from being transmitted to the fluctuation detection device through the frame body, thereby preventing the fluctuation of air from affecting the detection operation of the fluctuation detection device.
REFERENCES:
patent: 5555061 (1996-09-01), Soshi et al.
patent: 5559570 (1996-09-01), Soshi et al.
Canon Kabushiki Kaisha
Perkey W. B.
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