US Patent Issued to Massachusetts Institute of Technology on Nov. 25 for "Retrographic sensors with fluorescent illumination" (Massachusetts Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,826, issued on Nov. 25, was assigned to Massachusetts Institute of Technology (Cambridge, Mass.).

"Retrographic sensors with fluorescent illumination" was invented by Edward Adelson (Winchester, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A retrographic sensor includes a transparent structure, a transparent elastomeric pad, and an at least partially reflective layer. One or more excitation light sources emit light toward a side surface of the transparent structure. The side surface may include a fluorescent layer, where the light from the one or more excitation light sources excites fluorescent emissions from the fluorescent layer. The fluo...