Copying apparatus

Details Copying apparatus Copying apparatus

1989-05-26

1991-02-05

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355214, 355228, G03B 2772

Patent

active

049909533

ABSTRACT:
A copying apparatus in which a light receiving sheet is used is provided with a density level setting switch for setting the density level of a copy image, and an illuminance controller for adjusting both the luminous intensity and scanning speed of an optical system, in accordance with the density level. A copying apparatus may be provided with an input switch for inputting the sensitivity of a light receiving sheet, and a controller for adjusting both the scanning speed of said optical system and the speed of the process for forming a copy image, in accordance with the sensitivity of the light receiving sheet.

REFERENCES:
patent: 4320964 (1982-03-01), Ishida et al.
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4540279 (1985-09-01), Irie et al.
patent: 4542985 (1985-09-01), Honma et al.
patent: 4619520 (1986-10-01), Araya
patent: 4624560 (1986-11-01), Berry
patent: 4714945 (1987-12-01), Fujiwara et al.

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