Anti-vibration device for an optical imaging system having impro

Details Anti-vibration device for an optical imaging system having impro Anti-vibration device for an optical imaging system having impro

1996-10-23

1998-12-01

Blankenship, Howard B.

Photography

Camera shake sensing

Having stabilization system

348208, 359813, G03B 500

Patent

active

058451579

ABSTRACT:
An anti-vibration device for an optical imaging system which cancels or mitigates forces arising when the anti-vibration device is driven in a first or second direction. The anti-vibration device is held in a lens frame which is driven in a first or second direction by a drive force generating device. The drive generating device includes first and second motors, the force of which is transmitted to the lens frame via respective transmission gear trains and drive shafts which move a movable member and thus move the lens frame. The position of action of the force on the lens frame due to the respective shafts is set to a position which divides the lens frame in a specified ratio, and the positions of action of the respective shafts are close to each other.

REFERENCES:
patent: 4864339 (1989-09-01), Gross et al.
patent: 4970540 (1990-11-01), Vasey et al.
patent: 5172276 (1992-12-01), Ueyama et al.
patent: 5305040 (1994-04-01), Enomoto

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