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. 09, 2024
Filed:
Dec. 02, 2021
Applicant:
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Inventors:
Hyunmin Song, Redmond, WA (US);
Sanaz Alali, Woodenville, WA (US);
Yun-Han Lee, Redmond, WA (US);
Zhisheng Yun, Sammamish, WA (US);
Assignee:
META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/1353 (2012.01); G11B 7/131 (2012.01); G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
G11B 7/1353 (2013.01); G02B 27/283 (2013.01); G11B 7/131 (2013.01);
Abstract
A system includes a polarization selective optical element configured to diffract a light reflected by an object into a plurality of signal lights. The system also includes at least one optical sensor configured to receive the signal lights and generate a plurality of tracking signals for tracking the object.