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:
Nov. 16, 2010
Filed:
Jul. 20, 2009
Applicant:
Shin-min Chao, Jhonghe, TW;
Inventor:
Shin-Min Chao, Jhonghe, TW;
Assignee:
Utechzone Co., Ltd., Jhonghe, Taipei County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An eye-tracking method includes acquiring an image of an eye of a user, identifying a pupil of and a reflected light spot on the eye from the acquired image, determining a distance of the reflected light spot from a reference point on the pupil and an angle of the reflected light spot from an axis passing through the reference point on the pupil, determining a gazing point based on the distance and the angle and a pre-established set of data, and performing an operation associated with the gazing point. A system for implementing the eye-tracking method is also disclosed.