ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,073, issued on Jan. 28, was assigned to Waymo LLC (Mountain View, Calif.).

"Motor and rotary transformer with shared magnetic core" was invented by Paul Thomas Hansen Karplus (Redwood City, Calif.) and Samuel Lenius (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated hybrid rotary assembly is configured to provide power, torque and bi-directional communication to a rotatable sensor, such as a lidar, radar or optical sensor. A common ferrite core is shared by a motor, rotary transformer and radio frequency communication link. This hybrid configuration reduces cost, simplifies the manufacturing process, and can improve syst...