ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,444, issued on May 13, was assigned to Waymo LLC (Mountain View, Calif.).
"Range calibration of light detectors" was invented by Luke Wachter (San Francisco) and Pierre-Yves Droz (Los Altos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to range calibration of light detectors. An example method includes emitting a first light signal toward a first region of a calibration target having a first reflectivity and detecting a reflection of the first light signal. The detected reflection of the first light signal has a first intensity. The example method further includes emitting a second light signal toward a second reg...