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Scanner with synchronously switched optics

  • US 6,266,175 B1
  • Filed: 04/27/1999
  • Issued: 07/24/2001
  • Est. Priority Date: 04/27/1999
  • Status: Expired due to Term
First Claim
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1. A scanning system comprisinga light source producing a light beam along a beam path;

  • a polygon mirror scanning mechanism disposed in the beam path for scanning the light beam;

    an optical correction element mounted to rotate with the polygon mirror and positioned in the beam path between the scanning mechanism and the light source, the optical correction element having a plurality of zones of varying optical properties.

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