ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,500, issued on April 21, was assigned to Harman International Industries Inc. (Stamford, Conn.).
"Waterproof sound and vibration sensing device" was invented by Yu Du (Chicago), Pablo Diego Regla (Budapest, Hungary), Peter Tamas Podlocz (Budapest, Hungary) and Daniel Hajdu (Budapest, Hungary).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound and vibration sensing device comprising a housing, a printed circuit board assembly (PCBA) including a sensor element supported inside the housing. A flexible and non-porous structural membrane is arranged to seal the housing at one end creating a first closed air volume below the sensor element and a secon...