Optical apparatus with control device for controlling movable op

Details Optical apparatus with control device for controlling movable op Optical apparatus with control device for controlling movable op

1994-02-14

1997-07-15

Blankenship, Howard B.

Photography

Having variable focal length of camera objective

Power zoom

348345, 396 79, 396 85, G03B 310

Patent

active

056488360

ABSTRACT:
An optical apparatus comprising a movable optical member, a driving part for causing the optical member to move, a manual operation member capable of being operated to be moved, a first detecting part for detecting at least an operating speed of the manual operation member, a second detecting part for detecting a focal length of the optical apparatus and a control part for causing the driving part to act on the basis of an output of the first detecting part and being arranged to receive an output of the second detecting part and to vary an action of the driving part according to a change of the focal length.

REFERENCES:
patent: 4864344 (1989-09-01), Arakawa et al.
patent: 5408332 (1995-04-01), Murakami et al.
patent: 5450161 (1995-09-01), Iohinose

Affiliated with

Also associated with

Rating

Optical apparatus with control device for controlling movable op does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical apparatus with control device for controlling movable op, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical apparatus with control device for controlling movable op will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1495532