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:
Dec. 08, 2009
Filed:
Jul. 29, 2005
Applicants:
Jeffrey N. Miller, Los Altos Hills, CA (US);
Mark M. Butterworth, Santa Clara, CA (US);
Rene P. Helbing, Palo Alto, CA (US);
Inventors:
Jeffrey N. Miller, Los Altos Hills, CA (US);
Mark M. Butterworth, Santa Clara, CA (US);
Rene P. Helbing, Palo Alto, CA (US);
Assignee:
Avago Technologies Fiber IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Light beam focusing components direct light from the top surface of a touch screen display to one or more imagers. The imager or imagers capture one or more images of the top surface of the touch screen display. A processing unit analyzes the image or images to determine the position of an input device on or near the top surface of the touch screen display.