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:
Jan. 10, 2023
Filed:
Oct. 04, 2021
Applicant:
Avegant Corp., San Mateo, CA (US);
Inventors:
Aaron Matthew Eash, San Francisco, CA (US);
Andrew John Gross, Chassell, MI (US);
Christopher David Westra, San Carlos, CA (US);
Warren Cornelius Welch, III, Foster City, CA (US);
Eric Richard David Frasch, San Francisco, CA (US);
Assignee:
Avegant Corp., San Mateo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/32 (2006.01); H04N 5/33 (2006.01); G06F 3/01 (2006.01); G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G02B 5/208 (2013.01); G02B 5/32 (2013.01); H04N 5/33 (2013.01);
Abstract
A system of eye tracking includes an infrared (IR) source to project IR light to an eye of a user, an IR holographic optical element (HOE) to change an angle of the IR light reflected from the eye of the user, and a sensor to receive the IR light. The system further includes a processor to use the IR light to determine a gaze vector of the user, in one embodiment.