Variable magnification copying apparatus

Details Variable magnification copying apparatus Variable magnification copying apparatus

1982-12-09

1984-11-20

Gonzales, John F.

Photocopying

Including fiber optics

355 51, 355 57, 355 65, 355 66, G03B 2734, G03B 2740, G03B 2770, G03G 1528

Patent

active

044836082

ABSTRACT:
A variable magnification copying apparatus for obtaining a copy changed in size from an original pattern comprises an optical system having an optical axis, a movable carrier on which the optical system is mounted so as to be movable with the carrier and a D.C. motor mounted on the carrier. The carrier is reciprocable relative to a chassis of the copying apparatus in the direction of the optical axis between at least first and second position. The D.C. motor drives the carrier in a self-propelled manner relative to the chassis in the direction of the optical axis between at least first and second positions to thereby move the optical system between at least corresponding first and second positions to enable respective different sizes of the original pattern to be made at the corresponding first and second positions of the optical system.

REFERENCES:
patent: 4264188 (1981-04-01), Tomosada et al.
patent: 4270858 (1981-06-01), Minoura et al.
patent: 4274733 (1981-06-01), Sugiura et al.
patent: 4279497 (1981-07-01), Satomi
patent: 4291973 (1981-09-01), Brooke
patent: 4295736 (1981-10-01), Ikeda
patent: 4298271 (1981-11-01), Sugiura et al.
patent: 4299475 (1981-11-01), Nagahara
patent: 4302095 (1981-11-01), Calabrese
patent: 4386843 (1983-06-01), Seedhouse
patent: 4422756 (1983-12-01), Abe et al.

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