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. 11, 2009
Filed:
Nov. 18, 2007
Klony Lieberman, Jerusalem, IL;
Yuval Sharon, Jerusalem, IL;
Yossi Chai, Tel Aviv, IL;
Lumio Inc, Menlo Park, CA (US);
Abstract
An optical touch panel including a support, an optical light guide illumination assembly arranged along and above at least most of a periphery of the support to define a detection region, the assembly including at least one optical light guide and a light source arranged for directing light along the at least one optical light guide, at least one light detector, arranged to detect changes in the light received from the optical light guide illumination assembly produced by the presence of an object in the detection region and detection circuitry receiving at least one output from the at least one light detector and providing an output indication of the two dimensional location of the object present in the detection region.