US Patent Issued to NEC on May 5 for "RIS element, antenna, antenna apparatus, communication apparatus, and method for controlling antenna apparatus" (Japanese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,707, issued on May 5, was assigned to NEC Corp. (Tokyo).

"RIS element, antenna, antenna apparatus, communication apparatus, and method for controlling antenna apparatus" was invented by Shingo Watanabe (Tokyo), Masakazu Ono (Tokyo), Kenji Wakafuji (Tokyo) and Kohei Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna element receives a first radio wave and outputs a transmission signal, and receives a second radio wave and outputs a reception signal. A phase conversion unit applies a predetermined phase shift amount to a signal to be input and then output the signal. A switch connects the antenna element to one of the phase convers...