The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2012
Filed:
Jun. 13, 2008
Applicants:
Peter W. Hildebrandt, Duluth, GA (US);
James D. Watson, Duluth, GA (US);
Ning Hui, Johns Creek, GA (US);
Inventors:
Peter W. Hildebrandt, Duluth, GA (US);
James D. Watson, Duluth, GA (US);
Ning Hui, Johns Creek, GA (US);
Assignee:
Polyvision Corporation, Suwanee, GA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
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.