Electrophotography using a photosensitive drum with multi-photos

Details Electrophotography using a photosensitive drum with multi-photos Electrophotography using a photosensitive drum with multi-photos

1984-06-28

1986-08-26

Grimley, Arthur T.

Photocopying

Including fiber optics

355 3CH, 355 14E, 430 31, G03G 2100

Patent

active

046079343

ABSTRACT:
An electrophotographic device is provided with a photosensitive drum having a plurality of photosensitive layers which are different from one another in spectral sensitivity. First and second uniform exposure devices are arranged at different positions about the photosensitive drum. Each of the first and second uniform exposure devices includes a plurality of single color light sources. The light sources of the first exposure device have a different color than the light sources of the second exposure device. The colors correspond to the spectral sensitivity of each of the photosensitive layers, and are used as the uniform exposure light source for the photosensitive drum.

REFERENCES:
patent: 4035750 (1977-07-01), Staudenmayer et al.
patent: 4170413 (1979-10-01), Bayer
patent: 4392737 (1983-07-01), Nishikawa
A. R. Meinyk, J. S. Berkes and L. B. Schein, "A Layered Se-Te Photoreceptor for a GaAlAs Laser Printer", 1981, pp. 1-8.
Japan Abstracts Japanese Patent 58-49982.
Japan Abstracts Japanese Patent 58-14877.

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