Lens position controller with lens movement direction detection

Details Lens position controller with lens movement direction detection Lens position controller with lens movement direction detection

1992-12-29

1994-09-06

Perkey, W. B.

Optical: systems and elements

Prism

With reflecting surface

359823, G03B 1336, G03B 709

Patent

active

053452909

ABSTRACT:
An optical apparatus arranged to move a lens by using a stepping motor as a driving source, includes detecting mechanisms disposed at a plurality of positions for detecting a plurality of reference positions of the lens, respectively, and a position detecting circuit for finding an absolute position of the lens on the basis of the number of driving steps of the stepping motor relative to each of the plurality of reference positions.

REFERENCES:
patent: 5036348 (1991-07-01), Kusaka
patent: 5077571 (1991-12-01), Takayama et al.
patent: 5204715 (1993-04-01), Nakanishi et al.

Affiliated with

Also associated with

Rating

Lens position controller with lens movement direction detection 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 position controller with lens movement direction detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lens position controller with lens movement direction detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1332790