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:
Mar. 22, 2022
Filed:
Nov. 18, 2020
Applicant:
Pixart Imaging Inc., Hsin-Chu County, TW;
Inventors:
Chih-Ming Sun, Hsin-Chu County, TW;
Po-Wei Yu, Hsin-Chu County, TW;
Assignee:
PIXART IMAGING INC., Hsin-Chu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
G01J 1/0422 (2013.01); G01J 1/0411 (2013.01); H05K 1/181 (2013.01); H05K 2201/10121 (2013.01); H05K 2201/10151 (2013.01);
Abstract
An optical sensor assembly is provided. The optical sensor assembly includes a circuit board, an optical sensor positioned on the circuit board, and a front cover attached to the circuit board and covering the optical sensor. The front cover includes an optical element configured to guide or condense an incident light of a predetermined wavelength onto the optical sensor. The front cover is made of polypropylene or polyethylene. The predetermined wavelength is in a range from 8 micrometers to 12 micrometers.