ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,786, issued on April 15, was assigned to GM Cruise Holdings LLC (San Francisco).
"Self-illuminating distortion harp" was invented by Daniel Chou (Sunnyvale, Calif.), Yongjun Wang (Pleasanton, Calif.) and Nigel Rodrigues (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods are provided for using a self-illuminating harp to calibrate for distortion. In particular, apparatus, methods and systems are provided for imaging and analyzing self-illuminated harp in order to correct for lens distortion. In various implementations, an array of media is strung plumb which resembles a harp. The media can be light fibers or other suit...