Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent
1984-09-13
1987-06-23
Grimley, A. T.
Photocopying
Projection printing and copying cameras
Copying both sides of original
355 3SH, 355 14SH, 355 24, 271 31, 271 4, G03G 2100
Patent
active
046748660
ABSTRACT:
The invention relates to a method and apparatus for forming images on both sides or surfaces of sheets corresponding to images on two-side originals.
In a method for two-side image formation for forming images on both sides of sheets from images formed on two-side originals, a first-side image formation cycle is continuously performed for a required number of sets of sheets, the first-side image formation cycle including sequential operations for forming images on the first sides of the originals on the first sides of the sheets and for storing the one-side copied sheets in an intermediate storing portion, and thereafter a second-side image formation cycle is performed by sequentially forming images of the second sides of the originals on the second sides of the corresponding sheets. The invention also relates to an apparatus adopting this method.
REFERENCES:
patent: 4190354 (1980-02-01), Smith et al.
patent: 4466733 (1984-08-01), Pels
patent: 4468114 (1984-08-01), Pels et al.
Canon Kabushiki Kaisha
Grimley A. T.
Warren David
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