US Patent Issued to Shimex on Oct. 14 for "Sound amplification structure and building foundation structure" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,152, issued on Oct. 14, was assigned to Shimex Ltd. (Tokyo).

"Sound amplification structure and building foundation structure" was invented by Atsushi Ito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound amplification structure includes a sound path that is formed by an underfloor foundation of a building and a concrete peripheral wall formed by standing up approximately vertically from the underfloor foundation. One end of the sound path (a speaker unit communication section) is able to communicate with a floor speaker unit placed in a room of the building. A width of the sound path widens from the one end toward other end of the sound...