ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,990, issued on Aug. 19, was assigned to Waymo LLC (Mountain View, Calif.).
"Mirror coupling" was invented by Blaise Gassend (East Palo Alto, Calif.), Ryan Davis (Woodside, Calif.) and David Duff (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to optical devices and systems, specifically those related to light detection and ranging (LIDAR) systems. An example device includes a shaft defining a rotational axis. The shaft includes a first material having a first coefficient of thermal expansion. The device also includes a rotatable mirror disposed about the shaft. The rotatable mirror includes a mult...