US 11,738,716 B2
Automobile rain and temperature sensor module with transparent compound contacts the transparent cover plate of a housing and particularly encases the light emitter and light receiver disposed within
Mindaugas Ketlerius, Kaunas (LT); Mangirdas Rasiulis, Kaunas (LT); and Paulius Alisauskas, Kaunas (LT)
Assigned to Littelfuse, Inc., Chicago, IL (US)
Filed by Littelfuse, Inc., Chicago, IL (US)
Filed on Mar. 17, 2020, as Appl. No. 16/821,473.
Claims priority of provisional application 62/820,980, filed on Mar. 20, 2019.
Prior Publication US 2020/0300775 A1, Sep. 24, 2020
Int. Cl. B60S 1/08 (2006.01); B60R 11/00 (2006.01); G01K 7/02 (2021.01); G01K 7/16 (2006.01); G01K 13/00 (2021.01)
CPC B60S 1/0833 (2013.01) [B60R 11/00 (2013.01); B60S 1/0825 (2013.01); B60S 1/0837 (2013.01); B60S 1/0866 (2013.01); B60S 1/0881 (2013.01); B60S 1/0888 (2013.01); G01K 7/02 (2013.01); G01K 7/16 (2013.01); G01K 13/00 (2013.01); B60R 2011/0026 (2013.01); G01N 2201/062 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A rain sensing module comprising:
a housing including a cover plate formed of a transparent material;
a printed circuit board disposed within the housing and having a light emitter and a light receiver disposed thereon, wherein the light receiver is configured to receive light emitted by the light emitter and reflected off of an automobile windshield; and
a transparent compound disposed within the housing and filling a space between the printed circuit board and the cover plate, wherein the transparent compound contacts the cover plate and surrounds, and at least partially encases, the light emitter and the light receiver.