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. 15, 2025
Filed:
Oct. 12, 2019
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/02257 (2021.01); G01S 7/481 (2006.01); G01S 7/484 (2006.01); G01S 7/497 (2006.01); G01S 17/42 (2006.01); H01S 5/0225 (2021.01); H01S 5/026 (2006.01); H01S 5/068 (2006.01); G06V 40/16 (2022.01); G06V 40/19 (2022.01); H01S 5/02212 (2021.01); H01S 5/02253 (2021.01);
U.S. Cl.
CPC ...
H01S 5/0261 (2013.01); G01S 7/4814 (2013.01); G01S 7/484 (2013.01); G01S 7/497 (2013.01); G01S 17/42 (2013.01); H01S 5/0225 (2021.01); H01S 5/02257 (2021.01); H01S 5/06825 (2013.01); G06V 40/166 (2022.01); G06V 40/19 (2022.01); H01S 5/02212 (2013.01); H01S 5/02253 (2021.01);
Abstract
An optical element, an optical element monitoring system, and a method, monitor in real time whether an optical element such as a diffractive optical element or a diffuser in an active light emitting module is damaged or falls off, and turn off a laser when the optical element is damaged or falls off.