Moving platen precession system

Details Moving platen precession system Moving platen precession system

1983-05-20

1984-11-27

Moses, R. L.

Photocopying

Including fiber optics

355 3BE, G03G 1528

Patent

active

044848102

ABSTRACT:
The present invention is directed to a precession scanning system wherein a platen moving in a first direction is scanned by a scan illumination assembly and lens moving in the opposite direction. The projected image is precessed onto a moving photoreceptor belt in a direction opposite the belt motion. The velocity relationship between platen, lens, scan illumination assembly and photoreceptor, as well as scan distance, are governed by a unique set of relationships.

REFERENCES:
patent: 3454335 (1969-07-01), Caldwell et al.
patent: 3650621 (1972-03-01), Lewis et al.
patent: 3754822 (1973-08-01), Melrose
patent: 4232960 (1980-11-01), Glab
patent: 4285590 (1981-08-01), Silverberg
patent: 4336995 (1982-06-01), Durbin et al.
patent: 4351605 (1982-09-01), Carpenter et al.
patent: 4362382 (1982-12-01), Simpson
patent: 4372670 (1983-02-01), Carpenter et al.
patent: 4415258 (1983-11-01), Rees et al.

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