ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,386, issued on Aug. 26.

"Electronic device with couplers for power wave detection in multiple reference planes" was invented by Lucas Calderin (San Francisco) and Zhengan Yang (Del Mar, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include signal transmission circuitry having a signal path and a signal source that transmits a signal on the signal path. First and second signal couplers may be coupled to the signal path. Control circuitry may use the first signal coupler to measure the signal at a first reference plane and may use the second signal coupler to concurrently measure the signal at a second reference plane....