ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,043, issued on Oct. 14, was assigned to Waymo LLC (Mountain View, Calif.).
"Frequency soft-start for rotary power transformer" was invented by Morgan Lane McMahon (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a control circuit and a LLC resonant power converter. The control circuit is configured to generate a first gate drive signal to initiate operation of the LLC resonant power converter at a first frequency. The LLC resonant power converter is configured to drive a wireless power signal at a primary winding of a rotary power transformer disposed on a first platform and transmit the wireless power signal a...