Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1976-02-26
1978-02-21
Pellinen, A. D.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
G03G 1504
Patent
active
040749347
ABSTRACT:
A plurality of images of the same original document are formed at equal spacing on the circumference of a photoconductive drum. After all of the images are completely formed, the images are developed a number of times, and the resulting toner images are transferred to copy sheets after each developing step. The method comprises forming an image on one section of the drum and then rotating the drum by a plurality of image spaces before forming an image on another section. The number of image spaces skipped is determined by the number of images to be formed in such a manner that the images will be formed only once during a predetermined number of rotations of the drum.
REFERENCES:
patent: 3732003 (1973-05-01), Altmann
patent: 3736055 (1973-05-01), Davidge et al.
patent: 3738747 (1973-06-01), Hayashi
patent: 3976375 (1976-08-01), Kurita et al.
patent: 4025180 (1977-05-01), Kurita et al.
Jordan Frank J.
Pellinen A. D.
Ricoh Co. Ltd.
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