Variable magnification copying apparatus

Details Variable magnification copying apparatus Variable magnification copying apparatus

1985-06-06

1986-09-30

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 14C, G03B 2752

Patent

active

046144234

ABSTRACT:
An improved variable magnification copying apparatus which is provided with a function for controlling the lens position after completion of a copying operation so as to prevent occurrence of erroneous copying, with a consequent reduction of time required for the copying and simultaneous improvement of the operating efficiency.

REFERENCES:
patent: 4505579 (1985-03-01), Furuichi
patent: 4533233 (1985-08-01), Kimura et al.
patent: 4543643 (1985-09-01), Shibazaki et al.
patent: 4552450 (1985-11-01), Tomosada et al.

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