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Sound and vibration transmission pad and system

  • US 7,553,288 B2
  • Filed: 09/16/2004
  • Issued: 06/30/2009
  • Est. Priority Date: 03/10/2003
  • Status: Expired due to Fees
First Claim
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1. A pad comprising:

  • a speaker chamber comprising a resonant chamber; and

    at least two acoustic speakers and a layered plurality of materials having different degrees of acoustic conductance and compressibility, at least one of the acoustic speakers being located within the speaker chamber, wherein at least a portion of the speaker chamber is defined within an aperture extending through more than one material of the layered plurality of materials,wherein at least a portion of the resonant chamber is configured to be positioned between at least one of the acoustic speakers and a user.

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