ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,970, issued on June 2, was assigned to QUALCOMM Inc. (San Diego).
"Multi-band antenna rectifier codesign for ambient energy harvesting" was invented by Kamala Raghavan Sadagopan (San Diego) and Elizabeth Wyrwich (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-band ambient energy harvesting apparatus is disclosed. The apparatus may comprise: at least one antenna that is electrically tuned to multiple frequency bands; and a rectifier electrically coupled to the at least one antenna, where the rectifier is electrically tuned to the multiple frequency bands of the at least one antenna, the at least one antenna has a first reactance, the...