ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,980, issued on Feb. 10, was assigned to Metalenz Inc. (Boston).
"Single element dot pattern projector" was invented by Robert C. Devlin (Stoneham, Mass.), Pawel Latawiec (Chicago) and John Graff (Swampscott, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are single element dot pattern projectors with a meta-optics. The projectors include a laser light source and a metasurface chip integrated onto the laser light source. The metasurface chip includes metasurface elements spaced apart from the laser light source by a distance equal to the collimating function focal length of the metasurface chip. the laser light source produces ...