Compact illumination system for optically providing a structured

Details Compact illumination system for optically providing a structured Compact illumination system for optically providing a structured

1975-11-21

1978-04-04

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Illumination systems or details

350167, 355 3R, G03B 2776

Patent

active

040824519

ABSTRACT:
Apparatus for providing a structured radiation pattern in a charge distribution of a photoreceptor. The apparatus is comprised of a source of radiation, a plurality of apertures and a lens system for focusing the illumination, by the apertures, on the photoreceptor. The lens system is arranged to provide an overlapping of the aperture images formed on the photoreceptor. The overlapping images minimize the requirement on the intensity of radiation from the radiation source. The position of the apparatus from the photoreceptor provides a method for control of the size of the structured pattern on the photoreceptor charge. A line structure or a dot structure pattern can be applied to the charge distribution of the photoreceptor.

REFERENCES:
patent: 3178993 (1965-04-01), Ferris et al.
patent: 3785262 (1974-01-01), Stroke

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