Halftone screening system for printer/copier

Details Halftone screening system for printer/copier Halftone screening system for printer/copier

1987-09-30

1988-11-08

Grimley, Arthur T.

Photocopying

Including fiber optics

355 3R, 358298, 346 76L, 346160, G03G 1522

Patent

active

047836806

ABSTRACT:
A copier/printer with a light/lens system providing copies of documents, a raster output scanner providing prints in response to image signals, a source of screen image signals, and control means for operating both the light/lens system and the raster output scanner together while accessing the screen image signals so that the raster output scanner creates a dot matrix screen on the photoreceptor over which the latent image of the document being copied is placed by the light/lens system.

REFERENCES:
patent: 4227795 (1980-10-01), Bobbe et al.
patent: 4234250 (1980-11-01), Mailloux et al.
patent: 4294534 (1981-10-01), Snelling
patent: 4378156 (1983-03-01), Yajima et al.
patent: 4517579 (1985-05-01), Kitamura
patent: 4572647 (1986-02-01), Bean et al.
patent: 4641200 (1987-02-01), Shoji et al.

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