ACOUSTIC APPARATUS FOR VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a driver with voice information without disturbing safe driving and to provide an acoustic apparatus for vehicles without leaking sound to other occupants. SOLUTION: The acoustic apparatus for vehicles has a parametric speaker 13 mounted to the inside of front glass 11 in vehicles. Sound information generated from the parametric speaker 13 is reflected by the front glass and is directed toward a driver 18 opposite to the front glass. COPYRIGHT: (C)2004,JPO