Image vibration reduction device

Details Image vibration reduction device Image vibration reduction device

1996-09-09

1998-12-15

Adams, Russell E.

Photography

Camera shake sensing

396 55, G03B 1700

Patent

active

058505750

ABSTRACT:
An image vibration reduction device for reducing an image vibration on the imaging surface, includes an elastically supported reduction optical system which constitutes a portion of an imaging optical system, an electromagnetic actuator for moving the reduction optical system, a reduction optical system driver for driving the actuator to move the reduction optical system, a reduction optical system displacement detector for detecting displacements of the reduction optical system, a vibration detector for detecting vibrations generated in the image vibration reduction device, and a digital controller for calculating digital reduction optical system target position information used for appropriately reducing the vibrations on the basis of the output from the vibration detector, calculating digital reduction optical system position information on the basis of the output from reduction optical system displacement detector, and calculating the drive amount to be supplied to the reduction optical system driver on the basis of at least the reduction optical system target position information and the reduction optical system position information.

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patent: 5479236 (1995-12-01), Tanaka
patent: 5589912 (1996-12-01), Shiomi

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