US 12,078,744 B2
Backlit radar protection device
Frédéric Stablo, Sainte-Julie (FR); and Alaeddine Landoulsi, Sainte-Julie (FR)
Assigned to COMPAGNIE PLASTIC OMNIUM, Lyons (FR)
Appl. No. 17/433,151
Filed by COMPAGNIE PLASTIC OMNIUM, Lyons (FR)
PCT Filed Feb. 25, 2020, PCT No. PCT/EP2020/054948
§ 371(c)(1), (2) Date Aug. 23, 2021,
PCT Pub. No. WO2020/173965, PCT Pub. Date Sep. 3, 2020.
Claims priority of application No. 1901928 (FR), filed on Feb. 25, 2019.
Prior Publication US 2022/0155409 A1, May 19, 2022
Int. Cl. G01S 7/02 (2006.01); B60Q 1/26 (2006.01); B60Q 1/28 (2006.01); B60R 13/04 (2006.01); G01S 13/86 (2006.01); G01S 13/931 (2020.01); H01Q 1/42 (2006.01)
CPC G01S 7/028 (2021.05) [B60Q 1/2661 (2013.01); B60Q 1/28 (2013.01); B60R 13/04 (2013.01); G01S 13/86 (2013.01); G01S 13/931 (2013.01); H01Q 1/42 (2013.01); G01S 2013/93277 (2020.01)] 13 Claims
OG exemplary drawing
 
1. A device for protecting a motor vehicle radar, comprising: a body formed from a material that is transparent to radar waves and visible light, a support that is opaque to light and transparent to radar waves, an air cavity being provided between the support and the body, the support and the body being assembled together at their edges, and a light element arranged between the support and the body within the air cavity, wherein the light element includes optical fibers, wherein a thickness of the air cavity is between ½ a radar wavelength and 12 times the radar wavelength.