公开(公告)号：US20230249650A1

公开(公告)日：2023-08-10

申请号：US18136521

申请日：2023-04-19

Applicant: Littelfuse, Inc.

Inventor： Mindaugas Ketlerius ,  MANGIRDAS RASIULIS ,  PAULIUS ALISAUSKAS

IPC: B60S1/08 ,  B60R11/00 ,  G01K7/02 ,  G01K7/16 ,  G01K13/00

CPC classification number: B60S1/0833 ,  B60R11/00 ,  B60S1/0825 ,  B60S1/0866 ,  G01K7/02 ,  G01K7/16 ,  G01K13/00 ,  B60S1/0888 ,  B60S1/0881 ,  B60S1/0837 ,  B60R2011/0026 ,  G01N2201/062

Abstract: A rain and temperature sensing module including a housing having a cover plate formed of a transparent material, a printed circuit board disposed within the housing and having a light emitter, a light receiver, and a temperature sensing element disposed thereon, a transparent compound disposed within the housing and covering the light emitter, the light receiver, and the temperature sensing element, the transparent compound filling a space between the printed circuit board and the cover plate, wherein the transparent compound has a refractive index that is substantially equal to a refractive index of the cover plate, and wherein the transparent compound provides a thermally conductive medium between the cover plate and the temperature sensing element.

公开(公告)号：US20200300775A1

公开(公告)日：2020-09-24

申请号：US16821473

申请日：2020-03-17

Applicant: Littelfuse, Inc.

Inventor： Mindaugas Ketlerius ,  MANGIRDAS RASIULIS ,  PAULIUS ALISAUSKAS

IPC: G01N21/84 ,  G01N21/41 ,  G01K7/16 ,  G01K7/02 ,  G01K13/00 ,  B60S1/08 ,  B60R11/00

Abstract: A rain and temperature sensing module including a housing having a cover plate formed of a transparent material, a printed circuit board disposed within the housing and having a light emitter, a light receiver, and a temperature sensing element disposed thereon, a transparent compound disposed within the housing and covering the light emitter, the light receiver, and the temperature sensing element, the transparent compound filling a space between the printed circuit board and the cover plate, wherein the transparent compound has a refractive index that is substantially equal to a refractive index of the cover plate, and wherein the transparent compound provides a thermally conductive medium between the cover plate and the temperature sensing element.