Copying machine having a capability of reproducing images at dif

Details Copying machine having a capability of reproducing images at dif Copying machine having a capability of reproducing images at dif

1983-12-14

1986-03-11

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 3R, 355 14R, 355 8, G03G 1500

Patent

active

045752273

ABSTRACT:
A copying machine having the capability of reproducing an image at different magnifications from either a stored or calculated magnification ratio is provided. The size of the original and the size of the various copying papers available are calculated to determine an optimum magnification ratio. A preset value of optical magnification ratios can be provided within the copying machine. A controller can determined whether the calculated magnification ratio can be utilized within the preset predetermined range of values and corresponding control of the copier machine can be effected in accordance with that decision.

REFERENCES:
patent: 4277163 (1981-07-01), Ikesue et al.

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