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:
Nov. 23, 2010
Filed:
Feb. 26, 2005
Applicants:
Michael M. Blythe, Albany, OR (US);
Jeffrey Thielman, Corvallis, OR (US);
Inventors:
Michael M. Blythe, Albany, OR (US);
Jeffrey Thielman, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Infrared light is emitted towards a surface. The infrared light is redirected by an object positioned on the surface. The infrared light as redirected by the objected is detected. A position of the object on the surface is determined based on the infrared light detected.