Electronic duplicator

Details Electronic duplicator Electronic duplicator

1981-05-04

1983-03-29

Prescott, A. C.

Photocopying

Including fiber optics

355 1, 355 14R, 354 56, 354 60L, G03G 1500, G03B 2700

Patent

active

043781535

ABSTRACT:
Disclosed is an electronic duplicator having a focusing light transmitting body, which includes optical fiber tubes for image formation and optical fiber tubes for detecting the image density. The image density detection optical fiber tubes effect the measurement of the dose of light reflected by the document before the image formation by the image formation optical fiber tubes with respect to the advancement of a document table. The information of the measured value is supplied to an exposure control section and a bias voltage control section for appropriate exposure and bias voltage control.

REFERENCES:
patent: 4095888 (1978-06-01), Kawazu et al.
patent: 4172646 (1979-10-01), Matsumoto
patent: 4178093 (1979-12-01), Yanagawa et al.
patent: 4193679 (1980-03-01), Mochizuki et al.
patent: 4200391 (1980-04-01), Sakamoto et al.

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