| 摘要 |
PROBLEM TO BE SOLVED: To provide an interior decoration plate sound output system that can output sounds from a plurality of room in a building, prevent hindrance to sounds output a television set, furniture, etc., arranged in the rooms, has good outward appearance, and can prevent vibrations by an exciter from being transmitted to a circumference to output a sound of high sound quality and further lower costs. SOLUTION: An exciter 2 is provided to a ceiling plate 1 constituting the ceiling surface of a room 7. A sound signal is input to the exciter 2 through an amplifier device 10 and vibrates the ceiling plate 1 to output a sound in the room. Exciters 2 are provided to ceiling plates 1 of a plurality of rooms 7 in the building. One amplifier device 10 is provided for the plurality of exciters 2. COPYRIGHT: (C)2009,JPO&INPIT
|
