ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,686, issued on March 25, was assigned to NEC Corp. (Tokyo).

"Control apparatus, OAM mode-multiplexing transmitting apparatus, OAM mode-multiplexing receiving apparatus, control method, and non-transitory computer readable medium" was invented by Eisaku Sasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An OAM mode-multiplexing transmitting apparatus includes an OAM transmitting processing unit, a phase adjustment unit, a transmitting radio unit, a UCA (Uniform Circular Array) antenna, and a control unit (control apparatus). The UCA antenna includes a plurality of transmitting antenna elements. In the control apparatus, an acquisition unit...