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US 2026/0062875 A1Published application
Visual and Radar Detectable Road Stud
OwnerDaniel Lee Starkinventor
Life of this patent
Estimating the term…
Abstract
This invention incorporates radar retroreflector capability into current road stud retroreflectors by increasing their size and arranging them in a different manner. Adhesion between road stud and adhesive are improved by embedding fibers into the road stud body which protrude into the adhesive. Daytime visibility is improved with addition of reflective features. The modified road stud may form a guide path for human drivers and autonomous vehicles.
Claims6
What is claimed is a road stud formed from any combination of the following items, comprising:
- one or more retroreflectors placed separated or adjacent forming an arrays with retroreflectors and or retroreflector assemblies inner surfaces being a conductive optically reflective surface, with retroreflectors of side dimension sufficient to retroreflect millimeter radar, with said retroreflectors arranged in a row either straight or singularly curved, with said retroreflectors and or arrays formed from a conductive material or positive or negative mold formed as part of the road stud body or body part, with said road stud body formed partially or fully with transparent or nontransparent material, with said road stud body having an option of fibers added or pulled from said body forming a fiber, with said body having option of transparent road stud body portion with said transparent body portion having options including retroreflecting beads and or light scattering inclusions with material filled or empty cavities, with transparent retroreflectors region having option of light scattering particles invisible to millimeter wavelengths, with said road stud body including top surface acting as nonskid and or light reflection surface.
Dependencies are inferred from the claim text.