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:
Jul. 26, 2016
Filed:
Jul. 08, 2008
Applicant:
Dan Witzner Hansen, Olstykke, DK;
Inventor:
Dan Witzner Hansen, Olstykke, DK;
Assignee:
IT-UNIVERSITY OF COPENHAGEN, Copenhagen S, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); A61B 3/113 (2006.01); G02B 27/00 (2006.01); G06T 7/00 (2006.01); G06F 3/01 (2006.01); G06F 3/03 (2006.01); H04N 13/04 (2006.01);
U.S. Cl.
CPC ...
A61B 3/113 (2013.01); G02B 27/0093 (2013.01); G06F 3/011 (2013.01); G06F 3/013 (2013.01); G06F 3/0325 (2013.01); G06K 9/00604 (2013.01); G06T 7/004 (2013.01); H04N 13/0484 (2013.01);
Abstract
A method of performing eye gaze tracking of at least one eye of a user, by determining the position of the center of the eye, said method comprising the steps of: Thereby calibration of a camera, such as knowledge of the exact position and zoom level of the camera, is avoided. Further, it is not necessary to know the position of light sources. This results in a much more flexible and user friendly system.
Hansen, Dan. (2016). Eye gaze tracking (U.S. Patent No. 9398848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9398848
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile