Patents by Inventor James E. Schaff

James E. Schaff 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).

  • Optical scanner illumination system and method
    Patent number: 9172836
    Abstract: An optical scanner having a scanner glass with a bottom surface includes an LED illumination source and a reflector, disposed below the glass. The illumination source has a target-oriented surface oriented to direct light toward the glass at a non-perpendicular angle. The reflector is oriented to direct light reflected off of the bottom surface toward the target-oriented surface.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: October 27, 2015
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, LP.
    Inventors: C Greg Kelsay, James E. Schaff, Jeffery Patrick
  • Optical scanner illumination system and method
    Publication number: 20090059599
    Abstract: An optical scanner having a scanner glass with a bottom surface includes an LED illumination source and a reflector, disposed below the glass. The illumination source has a target-oriented surface oriented to direct light toward the glass at a non-perpendicular angle. The reflector is oriented to direct light reflected off of the bottom surface toward the target-oriented surface.
    Type: Application
    Filed: August 28, 2007
    Publication date: March 5, 2009
    Inventors: C Greg Kelsay, James E. Schaff, Jeffery Patrick