US Patent Issued to MURATA MANUFACTURING on Oct. 21 for "Directional coupler having a main line and sub-lines, where a switching circuit is connected in parallel to a sub-line to provide a shorted state or an open state" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,581, issued on Oct. 21, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Directional coupler having a main line and sub-lines, where a switching circuit is connected in parallel to a sub-line to provide a shorted state or an open state" was invented by Daisuke Tokuda (Kyoto, Japan) and Ryangsu Kim (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A directional coupler includes a main line, sub-lines, and a switch. The sub-lines are located at positions that enable the sub-lines to be electromagnetically coupled to the main line. The switch is coupled between an end portion sand an end portion of the sub-line. The switch is c...