Continuously variable electronically actuated shuttering system

Details Continuously variable electronically actuated shuttering system Continuously variable electronically actuated shuttering system

1992-05-18

1993-11-23

Gray, David M.

3542341, G03B 908

Patent

active

052648966

ABSTRACT:
An electronically actuated shutter in which the location of the shutter blades are known to accurately control the aperture opening and exposure time. A Hall sensor is used to determine the position of the shutter blades.

REFERENCES:
patent: 3199630 (1965-08-01), Engel et al.
patent: 3344347 (1967-09-01), Stevens
patent: 3593637 (1971-07-01), Fahlenberg
patent: 4104656 (1978-08-01), Strauss
patent: 4353632 (1982-10-01), Saito et al.
patent: 4558937 (1985-12-01), Petersen et al.
patent: 4558938 (1985-12-01), Petersen
patent: 4731579 (1988-03-01), Petersen
patent: 5150149 (1992-09-01), Alligood et al.

Affiliated with

Also associated with

Rating

Continuously variable electronically actuated shuttering system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Continuously variable electronically actuated shuttering system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuously variable electronically actuated shuttering system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1853271