G - Physics – 03 – G
Patent
G - Physics
03
G
88/46
G03G 15/00 (2006.01) G03B 27/52 (2006.01) G03G 15/30 (2006.01)
Patent
CA 1121628
ABSTRACT OF THE DISCLOSURE Briefly, the present invention is concerned with a low inertia scanning system for projecting an image of a stationary object on a flat platen onto a rotating photore- ceptor drum. An aperture plate located adjacent the photo- receptor drum moves in a direction opposite the direction of the drum. A carriage disposed between a stationary lens and the photoreceptor drum supports a pair of mirrors. The light image is projected from the lens to one of the pair of mirrors for reflection to the second mirror rotating about a pivot point to scan the image through the aperture onto the photoreceptor drum. During scanning of the platen, the carriage moves in a linear direction toward and away from the photoreceptor drum and together with the rotation of the second mirror maintains a constant magnification ratio. A second pair of mirrors disposed between the platen and the lens is adapted for movement in a linear direction with respect to the flat platen to predetermined positions in cooperation with the shifting of the lens to provide a properly focused light image in a different magnification range.
341282
Gowling Lafleur Henderson Llp
Xerox Corporation
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