Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1975-01-24
1977-01-18
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3R, 355 15, G03G 1500
Patent
active
040036510
ABSTRACT:
A system of image formation in combination with a facsimile recording system in which a latent image is formed on a photosensitive plate through an optical projection device by light spots. The surface of a flying spot scanner tube is scanned sequentially and then the image is changed into a toner image. A projection surface of the optical projecting device is positioned along the movement path of a photosensitive plate retaining member having two photosensitive plates at the symmetrical positions on the member, and these two photosensitive plates are moved to pass the projection station and the transfer station alternately. In addition to the optical projection device, at least a charging device, a developing device and a transferring device are disposed along the moving path of the photosensitive plates and a d.c. biasing voltge is applied to the developing device so as to avoid any stain on the photosensitive plates at the time of development, and to remove residual toner on the photosensitive plates at the time of cleaning. The functions of both development and cleaning are realized by a single means.
REFERENCES:
patent: 3301128 (1967-01-01), Brandt et al.
patent: 3700328 (1972-10-01), Davidge
patent: 3796488 (1974-03-01), Tanaka
patent: 3826570 (1974-07-01), Kolibas
patent: 3834803 (1974-09-01), Tsukada
patent: 3860340 (1975-01-01), Jordan
Hashida Yoshisuke
Hibino Tsuneo
Konishiroku Photo Industry Co,., Ltd.
Moses Richard L.
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