Image forming apparatus with use of a laser beam

Details Image forming apparatus with use of a laser beam Image forming apparatus with use of a laser beam

1989-06-29

1990-04-10

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355244, G03B 2772

Patent

active

049164805

ABSTRACT:
An image forming apparatus comprising a laser beam radiating unit utilized as a light source, and an optical system that the surface of an original reflects a laser beam radiated from the radiating unit to project an image reflected from the original onto a photosensitive member. In this apparatus, an image is formed selectively in a print mode that an image results from turning on and off the laser beam, in a copy mode that a copy of an original results from exposure of the photosensitive member to the laser beam reflected from the surface of an original or in a composite mode that a composite image is formed of a copy of an original and an image resulting from turning on and off the laser beam. Further, this apparatus comprises a sensor for receiving the laser beam reflected from the surface of an original, and the image of an original and composite image are read by the sensor.

REFERENCES:
patent: 3966319 (1976-06-01), Lang
patent: 4012585 (1977-03-01), Chen
patent: 4358793 (1982-11-01), Hosaka et al.

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