ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,221, issued on Feb. 3, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device" was invented by Yasunori Ido (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a power conversion device, a plurality of channels of a first multiple access method are respectively allocated to a plurality of groups. A plurality of subchannels of a second multiple access method which are divisions of a corresponding channel of the first multiple access method are respectively allocated to a plurality of wireless nodes included in each of the plurality of groups. A first transmitter of each wireless node transmits individual information received ...