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:
Feb. 22, 2022
Filed:
May. 20, 2020
Applicants:
Lite-on Electronics (Guangzhou) Limited, Guangzhou, CN;
Lite-on Technology Corporation, Taipei, TW;
Inventors:
Li-Ta Fan, Taipei, TW;
Kuei-Ling Chen, Taipei, TW;
Tsan-Li Chiu, Taipei, TW;
Kuo-Hui Chang, Taipei, TW;
Yao-Chi Peng, Taipei, TW;
Assignees:
LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Guangzhou, CN;
Lite-On Technology Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/53 (2006.01); G01N 21/59 (2006.01);
U.S. Cl.
CPC ...
G01N 21/538 (2013.01); G01N 21/59 (2013.01);
Abstract
A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result.