ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,643, issued on April 14, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Frequency selecting/switching circuit" was invented by Hiroyuki Aoyama (Tokyo), Akimichi Hirota (Tokyo), Hidenori Yukawa (Tokyo) and Toru Fukasawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frequency selecting/switching circuit includes an input terminal, an output terminal, a two-way splitter circuit, a first phase-adjusting circuit, a second phase-adjusting circuit, a first switch, and a second switch. The two-way splitter circuit splits a signal inputted to the input terminal into first and second frequency components and outputs them to its first output en...