Copying apparatus with grid forming function

Details Copying apparatus with grid forming function Copying apparatus with grid forming function

1988-10-21

1992-04-14

Braun, Fred L.

Photocopying

Contact printing

Light boxes

355311, 355326, G03G 2100

Patent

active

051052172

ABSTRACT:
A copying apparatus is provided with a grid forming function wherein a grid pattern can be formed on plain copy paper to accurately and readily indicate the size or position of an image formed thereon. The copying apparatus includes a photosensitive member, a writing head including a plurality of linear writing elements, a driving circuit for driving the writing elements, a control system for controlling the driving circuit to cause the driving circuit, and thereby the writing head, to form an electrostatic image of a grid pattern on the photosensitive member, a developer for developing the electrostatic image to form a toner image of the grid pattern, and a transfer device for forming the grid pattern toner image onto a copy paper.

REFERENCES:
patent: 4640601 (1987-02-01), Deguchi et al.
patent: 4685794 (1987-08-01), Watanabe
patent: 4742373 (1988-05-01), Nakatani
patent: 4752809 (1988-06-01), Ito
patent: 4845524 (1989-07-01), Okamoto et al.
patent: 4891287 (1990-01-01), Toyoshi et al.

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