Sound and vibration transmission pad and system
US7918308B2 · kind B2 · utility
30Cited by
50References
20Claims
0Family size
Inventor
Key dates
| Filing date | May 13, 2009 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2205/062
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a pad and sound transmission system which is adapted to directly transmit audible sound waves into the body at high intensity levels. In one embodiment, the subject invention includes a back pad and a seat pad. Each pad includes a speaker module having an acoustic speaker disposed within the pad and surrounded by a plurality of different layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.