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

1990-10-23

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355229, 355244, 355 40, G03B 2754

Patent

active

049658700

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 a 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 transporting unit for transporting a sheet on which a latent image formed on the photosensitive member is transferred onto the original glass, so that a sheet once discharged from the main body can be reused as an original.

REFERENCES:
patent: 3966319 (1976-06-01), Lang
patent: 4012585 (1977-03-01), Chen
patent: 4358793 (1982-11-01), Hosaka et al.
patent: 4397537 (1983-08-01), Tamura

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