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. 17, 2010
Filed:
Jun. 19, 2008
Evan Hildreth, Ottawa, CA;
Evan Hildreth, Ottawa, CA;
GestureTek, Inc., Sunnyvale, CA (US);
Abstract
In emitting and extinguishing periods, emitting and extinguishing projected electromagnetic radiation is alternated, the emitted projected electromagnetic radiation defining a radiation region adjacent to a housing. Sensed electromagnetic radiation within respective fields of view of first and second sensors is detected, the sensed electromagnetic radiation including ambient electromagnetic radiation detected during the emitting and the extinguishing periods, and projected electromagnetic radiation reflected off an object in the radiation region during the emitting period. Indicia of a position of the object with respect to the housing is output.