ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,175, issued on March 31, was assigned to Audio-Technica Corp. (Tokyo).
"Electro-acoustic transducer" was invented by Koichi Irii (Tokyo) and Hiroshi Akino (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electro-acoustic transducer includes: a housing, a partition member disposed inside the housing, a first electro-acoustic conversion unit, and a second electro-acoustic conversion unit. The first electro-acoustic conversion unit includes a fixed electrode, a vibrating membrane, and a support member that supports a partial region of the vibrating membrane and brings a part of the vibrating membrane in contact with the fixed electrode. The fi...