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:
Sep. 13, 2016
Filed:
Dec. 04, 2006
Applicant:
Gerald Morrison, Calgary, CA;
Inventor:
Gerald Morrison, Calgary, CA;
Assignee:
SMART TECHNOLOGIES Inc., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0428 (2013.01);
Abstract
An interactive input system comprises imaging devices with different viewpoints and having at least partially overlapping fields of view encompassing a region of interest. At least two of the imaging devices have different focal lengths. Processing structure processes image data acquired by the imaging devices to detect the existence of a pointer and determine the location of the pointer within the region of interest.