Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent
1984-05-17
1986-08-26
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Copying both sides of original
355 14SH, G03B 2732, G03B 2752
Patent
active
046079483
ABSTRACT:
A method of producing duplex copies from simplex originals, including sequentially feeding one at a time simplex originals from a stack of simplex originals to be reproduced as duplex copies; performing, for every other fed originals, first copy operation to produce one sided copies from said every other originals; sequentially feeding again one at a time the same originals; performing, for remaining every other fed originals, second copy operation to form images on such sides of the one sided copy as not bearing the images by the first copy operation step, to produce duplex copies from simplex originals.
REFERENCES:
patent: 4334765 (1982-06-01), Clark
patent: 4355880 (1982-10-01), Stemmle
Canon Kabushiki Kaisha
Wintercorn Richard A.
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