1993-01-19
1994-08-09
Hayes, Monroe H.
354430, 35419512, 354286, G03B 3900
Patent
active
053370988
ABSTRACT:
A camera-shake preventing device for preventing an image deflection due to a camera-shake by driving a part of an optical system on detecting the camera-shake, device being capable of restraining a futile consumption of a battery and previously confirming an effect to compensate the camera-shake.
The device has a camera-shake detector, a computing unit, a camera-shake compensating lens, a lens driving unit and a compensating mode selecting unit. The camera-shake detector detects the camera-shake caused by a hand movement. The computing unit computes a proper camera-shake compensation quantity from the detected camera-shake. The camera-shake compensating lens is drivable for compensating the camera-shake. The lens driving unit drives the camera-shake compensating lens in such a direction as to cause no image deflection in accordance with the compensation quantity computed by the computing unit. The compensating mode selecting unit selects any one of camera-shake compensating modes, i.e., a regular compensating mode for regularly compensating the camera-shake after a release button has been half-depressed and a release compensating mode for compensating the camera-shake after the release button has been full-depressed.
REFERENCES:
patent: 4965619 (1990-10-01), Shikaumi et al.
patent: 5117246 (1992-05-01), Takahashi et al.
patent: 5175580 (1982-12-01), Shiomi
Imafuji Kazuharu
Terui Nobuhiko
Hayes Monroe H.
Nikon Corporation
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