ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,760, issued on Aug. 25, was assigned to COHU GMBH (Kolbermoor, Germany).
"Sound test device for, and a method of, testing a DUT, in particular a MEMS microphone" was invented by Anton Schuster (Grassau, Germany), Rainer Hittmann (GroBkarolinenfeld, Germany), Franz Pichl (Ubersee, Germany) and Helmut Scheibenzuber (Weyarn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound test device for testing a DUT in particular a MEMS microphone, comprises a sound chamber a socket unit and a sound generator unit, wherein the sound generator unit includes a speaker comprising a speaker membrane, an opening, and a reference microphone comprising a micr...