Projection apparatus

Details Projection apparatus Projection apparatus

1980-03-26

1984-02-14

Braun, Fred L.

Photocopying

Including fiber optics

355 1, 355 50, G03G 1528, G03B 2748

Patent

active

044312997

ABSTRACT:
A projection apparatus for forming an image of original on a photosensitive material opposed to the plane of the original. The projection apparatus has a projecting system composed of a plurality of projection optical system arrays. Each individual projection optical system is composed of a first and a second lens coaxially disposed and having a relatively large length as compared with its effective lens diameter respectively. The first lens is an exit side telecentric lens whereas the second one is an incident side telecentric lens. The first lens forms an intermediate image of a portion of the original on a plane between the first and second lenses and the second lens reforms the intermediate image on the photosensitive material.

REFERENCES:
patent: 3060805 (1962-10-01), Brumley
patent: 3241438 (1966-03-01), Frank
patent: 3398669 (1968-08-01), Hicks
patent: 3409354 (1968-11-01), Frank
patent: 3580675 (1971-05-01), Hieber et al.
patent: 3584950 (1971-06-01), Gundlach
patent: 3592542 (1971-07-01), Kaufer et al.
patent: 3694076 (1972-09-01), Weber
patent: 3836249 (1974-09-01), Weber
patent: 3977777 (1976-08-01), Tanaka et al.
patent: 4129373 (1978-12-01), Ogura et al.
Wohl, R. J; "Short Length Optical System", IBM Technical Disclosure Bulletin; vol. 13, No. 10, Mar. 1971, p. 2947.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2372136