Patents by Inventor Gregory D. Caster

Gregory D. Caster 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).

  • Patent number: 7843609
    Abstract: A method of scanning a target image and inhibiting backtrack artifacts from the scanned image comprises the steps of initiating a scan on a flat bed scanner, the flat bed scanner comprising at least a scanbar, a memory buffer and a motion control pattern comprised of a plurality of spaced elements, each element having an angled portion with respect to the motion of the scanbar; acquiring scan data comprising a motion control pattern data and an image data with said scanbar; storing the previously acquired scan data in a memory buffer; querying whether the memory buffer reaches a preselected full threshold; acquiring a last valid scan data; stopping and backtracking the scanbar when the memory buffer preselected full threshold is met; and, inhibiting backtrack artifacts by one of a first real-time position analysis or a post-processing analysis.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: November 30, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Gregory D. Caster, Brian K. Owens, Donald N. Spitz