Handy copying system

Details Handy copying system Handy copying system

1982-02-01

1983-06-14

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, 355 3TR, 355 19, 355 21, 355 16, G03G 1500

Patent

active

043879845

ABSTRACT:
An electrophotographic copying system includes a contact reflection exposure type electrophotographic photosensitive member received in an open-bottomed portable casing to be moved back and forth with respect to the open bottom of the casing. The copying system is placed on an original to be copied with its open bottom being directed to the original. The photosensitive member is charged while in a position remote from the open bottom and then moved toward the open bottom until it is brought into contact with the original. The photosensitive member is exposed to light from the backside thereof, whereby an electrostatic latent image of the original is formed on the photosensitive member. The photosensitive member is then returned to the position remote from the open bottom of the casing and the latent image is developed to form a toner image of the original. The copying system is subsequently removed from the original and is placed on a transfer medium to which an image of the original is desired to be transferred. The photosensitive member bearing thereon the toner image is again moved toward the open bottom to be brought into contact with the transfer medium, and the toner image is transferred thereto.

REFERENCES:
patent: Re29406 (1977-09-01), Walker-Arnott
patent: 3117501 (1964-01-01), Oliphant
patent: 3168857 (1965-05-01), Hutto
patent: 3580672 (1971-05-01), Ando
patent: 3752571 (1973-08-01), Yamaguchi et al.

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