Iris diaphragm for high speed photographic printers having impro

Photography – Camera detail – Diaphragm

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

355 71, G03B 906, G03B 922

Patent

active

056359993

ABSTRACT:
An iris diaphragm for selectively varying a diameter of an aperture, the iris diaphragm comprises at least two movable blades which are adaptable for forming the aperture. A moveable drive coil drives the blades which motion of the drive coil provides unison movement with the blades, wherein the movement of the drive coil imparts motion to said blades for varying the aperture.

REFERENCES:
patent: 2393408 (1946-01-01), Peterson
patent: 3572906 (1971-03-01), Kitsopoulos
patent: 3744393 (1973-07-01), Uchiyama et al.
patent: 4006986 (1977-02-01), Kuehnle
patent: 4444489 (1984-04-01), Bartel et al.
patent: 4470687 (1984-09-01), Saito et al.
patent: 4609273 (1986-09-01), Kaise
patent: 4884091 (1989-11-01), Nakagomi
patent: 4961087 (1990-10-01), Gandini et al.
patent: 5038168 (1991-08-01), Kurimoto et al.
patent: 5140212 (1992-08-01), Iwasaki et al.
patent: 5325142 (1994-06-01), Depatie et al.
patent: 5337110 (1994-08-01), Dowe

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Iris diaphragm for high speed photographic printers having impro does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Iris diaphragm for high speed photographic printers having impro, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Iris diaphragm for high speed photographic printers having impro will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-395059

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.