G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 9/12 (2006.01) H04R 1/44 (2006.01)
Patent
CA 2393109
A plurality of actuators are provided at predetermined intervals on the reverse surface of a predetermined side wall of a swimming pool. When an electric signal corresponding to a sound to be propagated in the water is given to the actuators, the electric signal is converted by the actuators into a mechanical vibration signal to cause vibrations. The actuators are secured directly to the reverse surface of the predetermined side wall by an adhesive or otherwise, and thus the vibrations of the actuators are radiated as a sound in the water of the pool through the side wall.
Kishinaga Shinji
Watanabe Takayuki
Borden Ladner Gervais Llp
Yamaha Corporation
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