ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,710, issued on Feb. 24, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave filter and multiplexer" was invented by Akira Noguchi (Nagaokakyo, Japan) and Yasunori Kishimoto (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave filter includes a filter circuit and an additional circuit that includes IDTs and reflectors. The IDTs each include comb-shaped electrode fingers. The reflectors each include reflector electrode fingers. A relationship of about 0.60+nless than equal toG/(Pi+Pr)less than equal to0.93+n is satisfied, where n is an integer of 0 or more, Pi is an array pitch of the comb-shaped ...