Copying apparatus

Details Copying apparatus Copying apparatus

1983-09-14

1987-02-03

Grimley, Arthur T.

Photocopying

Including fiber optics

355 14E, 355 14C, 355 14R, 355 69, G03G 1500

Patent

active

046406034

ABSTRACT:
A copying apparatus capable of automatically adjusting the image density by reading the average density of the original document and still allowing fine adjustment by the operator for covering minor fluctuation in the image density.

REFERENCES:
patent: 2956487 (1960-10-01), Giaimo, Jr.
patent: 3788739 (1974-01-01), Coriale
patent: 4120034 (1978-10-01), Fisk et al.
patent: 4306804 (1981-12-01), Sakamoto et al.
patent: 4341460 (1982-07-01), Kohyama
patent: 4344699 (1982-08-01), McIntosh
patent: 4355885 (1982-10-01), Nagashima
patent: 4391502 (1983-07-01), Nishikawa
patent: 4394087 (1983-07-01), Irie et al.
patent: 4460270 (1984-07-01), Watai et al.

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