Patents by Inventor Pancy Auyeung

Pancy Auyeung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polygon mirror facet to facet intensity correction in raster output scanner
    Publication number: 20030063183
    Abstract: An intensity correction circuit adjusts the intensity of the pixel data which modulates the light beam of a raster output scanner to compensate for facet to facet reflectivity intensity differences of the rotating polygon mirror used to scan the modulated light beam on a photosensitive medium.
    Type: Application
    Filed: October 1, 2001
    Publication date: April 3, 2003
    Applicant: Xerox Corporation
    Inventors: Vincent W. AuYeung, Pancy Auyeung, Khuay Cam