Compact optical scanning system

Details Compact optical scanning system Compact optical scanning system

G - Physics

03

G

314/28

G03G 15/00 (2006.01) G03G 15/041 (2006.01)

Patent

CA 1217227

ABSTRACT OF THE DISCLOSURE A compact scan document system is enabled by adding motion to the scanning and projection components used in a folded optical system. A general and preferred velocity relationship is set for the system optical elements and a mechanical drive arrangement is disclosed which enable the specific ratios required. In a preferred embodiment, a pulley/belt system is used to provide four velocities, such that a document is scanned at a first velocity V, the document image is reflected to a folding mirror arrangement traveling at .75V and projected by a lens moving at a .5V velocity to a photoreceptor image plane via another folding mirror arrangement moving at a .25V ratio.

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