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:
Apr. 11, 2023
Filed:
Mar. 17, 2020
Applicant:
Littelfuse, Inc., Chicago, IL (US);
Inventors:
Mindaugas Ketlerius, Kaunas, LT;
Mangirdas Rasiulis, Kaunas, LT;
Assignee:
Littelfuse, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60S 1/08 (2006.01); G01N 21/84 (2006.01); G01N 21/55 (2014.01);
U.S. Cl.
CPC ...
B60S 1/0837 (2013.01); B60S 1/087 (2013.01); B60S 1/0888 (2013.01); G01N 21/55 (2013.01); G01N 21/84 (2013.01);
Abstract
An optical rain sensor including a plurality of light detecting elements and a plurality of peripheral light emitting elements disposed on a printed circuit board (PCB) and surrounding a central light emitting element disposed on the PCB, wherein, in a first mode of operation, the central light emitting element is configured to emit light beams toward the plurality of light detecting elements, and wherein, in a second mode of operation, each of the peripheral light emitting elements is configured to emit light beams toward the plurality of light detecting elements.