Image reproducing apparatus

Details Image reproducing apparatus Image reproducing apparatus

1984-04-25

1985-04-23

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 14C, G03G 1500

Patent

active

045126550

ABSTRACT:
When the magnification is changed one or more times during the lens-moving period after a first magnification has been entered the last-entered magnification is made valid to prevent reproduction of an unwanted copy and to allow immediate reproduction of a desired copy. In an enlargement copying operation, the original is scanned for a length corresponding to a transfer paper sheet of a large size; in other copying operations, the original is scanned for a length corresponding to the size of the paper sheet. Over-heating of the original base is thus prevented during reproduction of copies of any size.

REFERENCES:
patent: 4011012 (1977-03-01), Kawai
patent: 4316668 (1982-02-01), Miller
patent: 4360264 (1982-11-01), Baker et al.
patent: 4368976 (1983-01-01), Shogren

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