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. 08, 2025
Filed:
Nov. 21, 2023
Applicant:
Tobii Ab, Danderyd, SE;
Inventors:
Rickard Lundahl, Danderyd, SE;
Daniel Johansson Tornéus, Danderyd, SE;
Assignee:
Tobii AB, Danderyd, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G06T 7/246 (2017.01); G06T 7/292 (2017.01); G06T 7/55 (2017.01); G06T 7/66 (2017.01); G06T 7/73 (2017.01); G06T 15/20 (2011.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G06T 7/248 (2017.01); G06T 7/292 (2017.01); G06T 7/55 (2017.01); G06T 7/66 (2017.01); G06T 7/74 (2017.01); G06T 15/20 (2013.01); G06T 2207/30201 (2013.01);
Abstract
The present invention relates to a system and a method for determining an entrance pupil position of an eye of a user of an eye tracking system. The entrance pupil position is determined using a predetermined entrance pupil displacement model, which at least models the angular dependence of the refractive properties of a cornea of the eye.