Patents by Inventor Ning Hui

Ning Hui 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).

  • Eraser assemblies and methods of manufacturing same
    Patent number: 8243028
    Abstract: An eraser assembly for erasing a display surface of an electronic display system, where the display surface can implement a dot pattern. The eraser assembly can comprise a body assembly, which can be in communication with an eraser pad and a sensing device, such as a camera. The camera can be adapted to view the display surface when the eraser pad is in use.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: August 14, 2012
    Assignee: Polyvision Corporation
    Inventors: Peter W. Hildebrandt, James D. Watson, Ning Hui
  • ERASER ASSEMBLIES AND METHODS OF MANUFACTURING SAME
    Publication number: 20090309839
    Abstract: An eraser assembly for erasing a display surface of an electronic display system, where the display surface can implement a dot pattern. The eraser assembly can comprise a body assembly, which can be in communication with an eraser pad and a sensing device, such as a camera. The camera can be adapted to view the display surface when the eraser pad is in use.
    Type: Application
    Filed: June 13, 2008
    Publication date: December 17, 2009
    Applicant: Polyvision Corporation
    Inventors: Peter W. HILDEBRANDT, James D. Watson, Ning Hui