Optical system controlling apparatus

Details Optical system controlling apparatus Optical system controlling apparatus

1996-08-28

1999-03-30

Gray, David M.

Photography

Having variable focal length of camera objective

Automatic change of focal length

396 79, G03B 1300

Patent

active

058900209

ABSTRACT:
An optical system controlling apparatus includes a plurality of lenses for varying an optical characteristic, a plurality of driving parts for driving the plurality of lenses, respectively, a plurality of sensors for detecting the respective states of drive of the plurality of lenses, and a controlling circuit for driving each of the driving parts on the basis of detection information provided by the sensor and controlling each of the lenses during a steady state, the controlling circuit being capable of performing initialization for the respective lenses by parallel processing during an initial state before the steady state is established.

REFERENCES:
patent: 4348089 (1982-09-01), Shenk
patent: 4374613 (1983-02-01), Stempeck
patent: 5347333 (1994-09-01), Takahashi
patent: 5406345 (1995-04-01), Hirasawa

Affiliated with

Also associated with

Rating

Optical system controlling apparatus 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 system controlling apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical system controlling apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1224237