Photography – Camera shake sensing – Having stabilization system
Patent
1997-01-23
1999-01-05
Metjahic, Safet
Photography
Camera shake sensing
Having stabilization system
G03B 1700
Patent
active
058571221
ABSTRACT:
A vibration compensation device for use in an optical imaging system, such as a camera, having a vibration detection unit to detect vibrations in the camera and a vibration compensation unit to drive a vibration compensation optical lens perpendicular to an optical axis to correct for the vibrations detected by the vibration detection unit. A display unit, preferably a lamp, is provided to indicate the detection of vibrations by the vibration detection unit. Further, the vibration detection device is provided with a switch to allow the user to select whether the vibration compensation device is to be enabled or disabled. When the vibration detection device is enabled, upon the halfpress of a shutter release button, the vibration detection unit is initialized to determine the point at which the angular velocity of the vibration compensation optical lens equals 0. Thereafter, the vibration compensation unit drives the vibration compensation optical lens in response to the signals from the vibration detection unit. Conversely, when the vibration compensation device is disabled, a wait time, equal to the amount of time otherwise required to detect where the angular velocity equals 0, is waited so as to present the photographer with the same feel regardless of whether he takes a picture with the vibration compensation device enabled or disabled.
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Amanuma Tatsuo
Imura Yoshio
Kitagawa Yoshihisa
Miyamoto Hidenori
Wakabayashi Hiroshi
Chizmar John
Metjahic Safet
Nikon Corporation
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