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. 24, 2020
Filed:
Feb. 04, 2019
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Hiroshi Kondo, Kanagawa, JP;
Yohei Shiren, Tokyo, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); H04N 5/33 (2006.01); G02B 27/01 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G02B 27/0093 (2013.01); G02B 27/017 (2013.01); G02B 27/0179 (2013.01); H04N 5/33 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0187 (2013.01);
Abstract
An eye-gaze tracker wearable by a user, includes: an infrared irradiation unit to irradiate an eyeball of the user with infrared light; an infrared sensor provided on a lens, the infrared sensor being translucent at least to visible light and to output a signal when the infrared light reflected from the eyeball is incident on the infrared sensor; and processing circuitry to determine a gaze direction of the user based on the signal output from the infrared sensor.