ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,197, issued on Sept. 9, was assigned to ANHUI ANUKI TECHNOLOGIES Co. LTD. (Anhui, China).
"Band-pass filter circuit and multiplexer" was invented by Xiaodong Wang (Anhui, China), Chenggong He (Anhui, China), Chengjie Zuo (Anhui, China) and Jun He (Anhui, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a band-pass filter circuit and a multiplexer. The band-pass filter circuit includes an electromagnetic LC filter circuit and acoustic resonance units. At least one of the acoustic resonance units each includes at least one first acoustic resonator and at least one second acoustic resonator. The first acoustic resonator is connected i...