Lidar reflective material and marking system
AssigneesToyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
InventorsMichael P. Rowe, Frederick W. Mau, II, Songtao Wu, Debasish Banerjee
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Abstract
Disclosed here are a method of marking a dark-colored surface with a dark-colored LiDAR-reflective material and a marking composition comprising the dark-colored LiDAR-reflective material and a marking carrier. Particularly, the dark-colored LiDAR-reflective material comprises has a reflectivity in the visible spectrum of electromagnetic radiation that is ≤10% and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is ≥10%.
Claims22
A method of marking a surface with a LiDAR-reflective material, comprising:
- contacting a membrane encasing a marking composition;
- and
- fracturing the membrane upon contact with the surface, wherein
- the marking composition comprises a LiDAR-reflective material;
- and
- the LiDAR-reflective material comprises:
- a reflectivity in the visible spectrum of electromagnetic radiation that is ≤10%;
- and
- a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is ≥10%.
Dependencies are inferred from the claim text.