Lens driving device

Details Lens driving device Lens driving device

1990-10-23

1991-12-24

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

G03B 2752

Patent

active

050757199

ABSTRACT:
A lens driving device having a lens mount integrated with a lens as a unit, a drive rope with convex stripes on its surface, pulleys disposed on the lens mount and having gear tooth channels which engage the convex stripes formed on the drive rope, lens drive gears disposed on the lens mount and having a drive linkage to the pulleys respectively, and a lens guide member with a rack portion which engages with the lens drive gears. The pulleys rotate with the movement of the drive rope and the drive gears rotate interlocking with the rotation of the pulleys so as to move the lens mount along the lens guide member. In case of using a zoom lens with a zoom ring, the lens driving device has gear tooth channel formed on the zoom ring which engages with the convex stripes formed on the drive rope so as to rotate the zoom ring in accordance with the movement of the drive rope.

REFERENCES:
patent: 4531831 (1985-07-01), Kitajima et al.
patent: 4901107 (1990-02-01), Iwamoto et al.

Affiliated with

Also associated with

Rating

Lens driving device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lens driving device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lens driving device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-46797