ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,624, issued on July 29, was assigned to Waymo LLC (Mountain View, Calif.).
"Optical sensor for mirror zero angle in a scanning lidar" was invented by Jason Watson (San Jose, Calif.), Gregory Hall (Woodside, Calif.) and Blaise Gassend (East Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to systems and methods that provide an accurate angle measurement of a rotatable mirror. An example method includes receiving, from a detector device, a reflected light signal. The reflected light signal is indicative of primary reflection light and secondary reflection light. The primary reflection light corresponds to...