Moving mirror motion quality compensation

Details Moving mirror motion quality compensation Moving mirror motion quality compensation

1998-01-08

2000-02-08

Lee, Susan S. Y.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347129, 347257, 347260, B41J 247, H04N 121

Patent

active

060232862

ABSTRACT:
Correcting motion quality induced color banding problems resulting from photoreceptor motion defects in a color imaging device having a laser based multifaceted polygon and a rotating cylindrical mirror whose rotation is set by a controlled rotation inducing element. A motion sensor senses the motion of the photoreceptor. Based upon motion errors a controller either advances or delays the production of a latent image. The controller further controls the rotation inducing element, beneficially a piezoelectric element, such that a latent image is produced in a predetermined location. When multiple latent images are produced, the controller beneficially causes the latent images to be properly registered.

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