Single fixed position lens variable copy size optical system for

Details Single fixed position lens variable copy size optical system for Single fixed position lens variable copy size optical system for

1979-10-15

1982-06-15

Braun, Fred L.

Photocopying

Including fiber optics

355 11, 355 30, 355 57, G03G 1528, G03B 2752

Patent

active

043347622

ABSTRACT:
A copy image size changing system for a copying machine incorporating an original scanning optical system in which a change in the size of the copy image is effected by shifting the positions of reflecting elements disposed at locations along the optical axis of the copier on opposite sides of a fixedly positioned lens. Preferably the lens forms part of a partition which separates the scanning part of a liquid developer machine in which heat is generated by the original illuminating lamp and the developing process part wherein the liquid developer is stored and the photosensitive element is located.

REFERENCES:
patent: 3598489 (1971-08-01), Thomas et al.
patent: 3914044 (1975-10-01), Ogawa
patent: 3947188 (1976-03-01), Simpson
patent: 4077714 (1978-03-01), Komori et al.
patent: 4080062 (1978-03-01), Torigai et al.
patent: 4154524 (1979-05-01), Hattori et al.
patent: 4212532 (1980-07-01), Suzuki
patent: 4232960 (1980-11-01), Glab

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