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. 07, 2020
Filed:
Oct. 12, 2018
Applicant:
Htc Corporation, Taoyuan, TW;
Inventors:
Bo-Wen Xiao, Taoyuan, TW;
Fu-Cheng Fan, Taoyuan, TW;
Assignee:
HTC Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G06T 7/00 (2017.01); H04N 5/235 (2006.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G06T 7/0002 (2013.01); H04N 5/2354 (2013.01); G06T 2207/10152 (2013.01); G06T 2207/30168 (2013.01); G06T 2207/30201 (2013.01);
Abstract
An eye tracking apparatus and a light source control method thereof are provided. The eye tracking apparatus includes a plurality of light sources, an image capturer and a controller. The light sources project a plurality of light beams to a target zone. The image capturer captures a display image on the target zone. The controller turn-off light beams corresponding to a part of light sources according to a contrast ratio of the display image.