ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,152, issued on June 2, was assigned to NEC Corp. (Tokyo).
"Multi-frequency RIS architecture" was invented by Antonio Albanese (Heidelberg, Germany), Placido Mursia (Heidelberg, Germany), Vincenzo Sciancalepore (Heidelberg, Germany) and Xavier Costa-Perez (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reflective device includes a control element and a reflective surface. The reflective surface includes a plurality of reflective elements, where each reflective element of the plurality of reflective elements has an antenna element and a phase shifter and is under control of the control element so as to reflect a radio-frequency (R...