ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,321, issued on Dec. 2, was assigned to Koninklijke Philips N.V. (Eindhoven, Netherlands).

"Wireless power transfer and communication" was invented by Wilhelmus Gerardus Maria Ettes (Leeuwarden, Netherlands), Klaas Jacob Lulofs (Veldhoven, Netherlands), Pascal Leonard Maria Theodoor Lebens (Eindhoven, Netherlands) and Friso Rietstra (Drachten, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmitter (101) comprises a driver (201) generating a drive signal for a transmitter coil to generate a power transfer signal during a power transfer time interval and an electromagnetic test signal during a foreign object detection time interv...