US Patent Issued to Murata Manufacturing on Aug. 11 for "Directional coupler, high frequency module, and communication device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,367, issued on Aug. 11, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Directional coupler, high frequency module, and communication device" was invented by Kenta Seki (Kyoto, Japan), Ryangsu Kim (Kyoto, Japan) and Kazuhito Osawa (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Degrees of a change in an insertion loss of a main line and a change in a phase of a signal are small regardless of whether or not detection is performed by using a sub-line. A directional coupler includes a main line, a sub-line, a first termination circuit, a second termination circuit, and a switch. The sub-line has a first end and a second end....