Spa audio system

Details Spa audio system Spa audio system

2003-02-11

2009-02-10

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Having non-electrical feature

Loudspeakers driven in given phase relationship

C381S386000, C411S107000, C004S541100, C601S047000

Reexamination Certificate

active

07489787

ABSTRACT:
A portable spa including an audio system designed to use the spa shell as the sound generating device. Transducer devices are mounted within an enclosure which is bonded to the spa shell so as couple the sound vibration energy to the shell so that sound can be heard when using the spa.

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Merriam Webster's Dictionary, 1999, Tenth Edition, p. 11.
Bergman (Publication No. DE 019902875 C1), Jul. 2000.
Single page from a Clark Synthesis Brochure with copyright notice dated 1997.
Clark Installation & Operation Guide for Tactile Sound Transducers, with copyright notice dated 1997.

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