Image shake suppressing device for camera

Details Image shake suppressing device for camera Image shake suppressing device for camera

1992-07-13

1993-11-30

Gray, David M.

3541951, G03B 3900

Patent

active

052669882

ABSTRACT:
An image shake suppressing device for a camera comprises an image shake suppressing optical system, a first guide part for guiding the image shake suppressing optical system to be movable in a first direction within a plane perpendicular to an optical axis, a second guide part for guiding the optical system to be movable in a second direction within the plane perpendicular to the optical axis, and a driving part arranged to exert a magnetic driving force on the optical system either in the first or second direction and thus to cause the optical system to be moved according to a guiding action of the first or second guide part. The driving part includes a first element arranged to generate the magnetic driving force and which generates a magnetic flux at least in response to an electrical signal. The driving part also includes a second element which generates a flux at all times. One of these elements is fixed to the image shake suppressing optical system and the other to a predetermined position.

REFERENCES:
patent: 4864339 (1989-09-01), Gross et al.
patent: 4970540 (1990-11-01), Vasey et al.

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