Electrophotographic plate-making apparatus

Details Electrophotographic plate-making apparatus Electrophotographic plate-making apparatus

1991-10-17

1993-07-13

Grimley, A. T.

Photocopying

Contact printing

Light boxes

346157, 355277, 355326, G03G 1500

Patent

active

052278506

ABSTRACT:
An electrophotographic plate-making apparatus in which a light beam is applied to the surface of a photoconductive sensitive material from a light-beam applying device so as to form an image and a register mark on the surface of the sensitive material the image and the register mark are transferred onto an outer peripheral surface of an intermediate transfer material, a recording material and the intermediate transfer material are moved while the outer peripheral surface of the intermediate transfer while the outer peripheral surface of the are brought into contact with each other, the movement of the recording material and the intermediate transfer material is controlled by detecting the transferred register mark, thereby to transfer the image onto the recording material with high positional accuracy. By forming the register mark through light-beam scanning, it is possible to provide the photosensitive material with the register mark efficiently and reliably, so that the image can be transferred onto the recording material with high positional accuracy.

REFERENCES:
patent: 4187774 (1980-02-01), Iwasa et al.
patent: 4475239 (1984-10-01), van Raamsdonk
patent: 4788572 (1988-11-01), Slayton et al.
patent: 4882593 (1989-11-01), Touma et al.
patent: 4903067 (1990-02-01), Murayama et al.
patent: 4912491 (1990-03-01), Hoshino et al.
patent: 4937664 (1990-06-01), Chiku et al.
patent: 5160946 (1992-11-01), Hwang

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