Magnification control device

Details Magnification control device Magnification control device

1985-05-17

1986-11-25

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 14C, 355 61, G03B 2752

Patent

active

046245529

ABSTRACT:
The present invention provides a magnification control device for use to a copying machine in which the area magnification as well as the linear magnification can be set by the operator. The linear magnification can be converted to the area magnification and also, the area magnification can be converted to the linear magnification. The area magnification is determined based on the area of the copying paper and that of the original.

REFERENCES:
patent: 4270173 (1981-05-01), Suttler

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