ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,581, issued on Jan. 20, was assigned to GM Cruise Holdings LLC (San Francisco).
"Rotary encoder calibration" was invented by Zhizhong Yan (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "The subject disclosure relates to techniques for determining a positioning error of a rotary encoder. A process of the disclosed technology can include steps of receiving measurement data including an angle and timestamp measured at each of a plurality of positions during a rotation of a rotary encoder, determining an angular velocity, at each of the plurality of positions, based on the corresponding measurement data, and determining a positioning error...