Patents by Inventor Mark E. Keeton

Mark E. Keeton 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).

  • Publication number: 20090017237
    Abstract: In one embodiment, a two-sided thermal transfer ribbon comprising a substrate having a first side and a second side, opposite the first side, and respective first and second thermal transfer coatings supported on the respective first and second sides is provided. In further embodiments, the first thermal transfer coating is adapted to transfer to print media when heated to a first temperature, and the second thermal transfer coating is adapted to transfer to print media when heated to a second temperature different from the first temperature.
    Type: Application
    Filed: July 20, 2007
    Publication date: January 15, 2009
    Inventors: Timothy W. Rawlings, Mark E. Keeton
  • Publication number: 20090015649
    Abstract: Thermal printers and methods of operating thereof are provided. In one embodiment, a thermal printer comprising a thermal print head, thermal media including a direct thermal thermally sensitive coating on at least a first side thereof, and a thermal transfer ribbon installed between the thermal print head and the first side of the thermal media is provided, wherein the thermal print head is adapted to apply heat at a first temperature to image the direct thermal thermally sensitive coating without transferring a thermal transfer coating associated with the thermal transfer ribbon and a second temperature to image the direct thermal thermally sensitive coating and transfer the thermal transfer coating associated with the thermal transfer ribbon.
    Type: Application
    Filed: August 7, 2007
    Publication date: January 15, 2009
    Inventors: Mark E. Keeton, Yaoping Tan
  • Patent number: 6989180
    Abstract: Thermal transfer ribbons which employ a reflective sensor marker of a small size for detecting the end of the ribbon and also thermal transfer ribbons which employ a reflective sensor marker and a transparent sensor marker for detecting the end of the ribbon.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: January 24, 2006
    Assignee: NCR Corporation
    Inventors: Mark E. Keeton, Thomas J. Obringer, Richard D. Puckett, Jeffery S. Denton