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:
Apr. 09, 2024
Filed:
Apr. 26, 2022
Applicant:
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Inventors:
Robin Sharma, Redmond, WA (US);
Andrew John Ouderkirk, Redmond, WA (US);
Assignee:
Meta Platforms Technologies, LLC, Menlo Park, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 27/01 (2006.01); G02B 27/09 (2006.01); G06T 7/00 (2017.01); G06T 7/73 (2017.01); H04N 5/33 (2023.01); H04N 23/56 (2023.01);
U.S. Cl.
CPC ...
G02B 27/0093 (2013.01); G02B 27/0172 (2013.01); G02B 27/0983 (2013.01); G06T 7/0012 (2013.01); G06T 7/73 (2017.01); H04N 5/33 (2013.01); H04N 23/56 (2023.01); G02B 2027/0178 (2013.01); G06T 2207/30041 (2013.01);
Abstract
An eye is illuminated with infrared illumination light. Illuminating the eye includes illuminating a near-eye ellipsoidal lensing structure. A tracking image of Purkinje reflections of the infrared illumination light is captured by a camera. An eye position of the eye is determined in response to the tracking image.