Precession scanning system for copier device

Details Precession scanning system for copier device Precession scanning system for copier device

1980-09-24

1983-02-15

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Image transferred to or from curved surface

355 8, 355 11, 355 66, G03G 1530

Patent

active

043738036

ABSTRACT:
An optical scanning system is provided which image-wise exposes a photoreceptor surface at a rate faster than the rate at which the image is scanned. In a preferred embodiment, a dual-rate mirror assembly is driven at a value greater than the process speed of a photoreceptor drum. A movable drum reflector reflects the image in precession fashion along the drum surface in a direction opposite the drum rotation.

REFERENCES:
patent: 3454335 (1969-07-01), Caldwell et al.
patent: 3650621 (1972-03-01), Lewis et al.
patent: 3754822 (1973-08-01), Melrose

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