Image forming apparatus

Details Image forming apparatus Image forming apparatus

1988-10-03

1990-02-27

Hix, L. T.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 58, G03B 2752, G03B 2734

Patent

active

049050427

ABSTRACT:
An image forming apparatus comprises an optical system for regenerating an original manuscript; a regenerating member capable of regenerating the original manuscript in different modes; a means for setting the position of the optical system in accordance with respective modes; a detector for detecting information relating to the respective modes from the set position of the optical system, and a control device for controlling the regenerating member in accordance with the detected information by the detector. A protective apparatus is further provided which comprises a process load; a detector for detecting a continuous operation time of the load from the power frequency of an a.c. current supplied to the load, and a control device for controlling the operation of the process load in accordance with the output from the detector. The process load may be a lamp for exposing light on an original manuscript.

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patent: 4557593 (1985-12-01), Iwanada
patent: 4583846 (1986-04-01), Nakamura et al.
patent: 4589763 (1986-05-01), Fujiwara

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