Photocopying – Including fiber optics
Patent
1975-07-24
1976-10-12
Peters, Jr., Joseph F.
Photocopying
Including fiber optics
355 16, G03G 1501
Patent
active
039854353
ABSTRACT:
An electrophotographic photoreceptor is moved in reciprocatory movements at least a number of times corresponding to the number of color-selective reflection and transmission filters in a predetermined zone in which are disposed an exposing station and a transfer printing station. The electrophotographic photoreceptor is electrically charged and exposed to an optical image of the original during its reciprocating movements, with the color-selective reflection and transmission filters used varying from one reciprocating movement to another. An electrostatic latent image formed on the photoreceptor is printed by transfer printing on a transfer printing sheet by bringing the latter into contact with the former each time such image is formed, and the latent image is converted into a visible image by using a specific developing liquid of a color corresponding to the color-selective reflection and transmission filter used for forming the latent image. The photoreceptor is repeatedly processed through the charging, exposing, electrostatic latent image transfer printing and developing steps so as to build up on the same transfer printing sheet visible images of colors for the respective color-selective reflection and transmission filters whereby a color duplicate of the original can be produced.
REFERENCES:
patent: 3190199 (1965-06-01), Clark
patent: 3531195 (1970-09-01), Tanaka et al.
patent: 3694069 (1972-09-01), Yamaji et al.
patent: 3734607 (1973-05-01), Davis et al.
patent: 3771866 (1973-11-01), Ogawa
patent: 3797930 (1974-03-01), Tanaka et al.
Kasahara Nobuo
Katagiri Nobuyuki
Suzuki Shigeru
Hutchison Kenneth C.
Peters Jr. Joseph F.
Ricoh Co. Ltd.
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