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Implantable and external hearing systems having a floating mass transducer

  • US 5,857,958 A
  • Filed: 12/23/1996
  • Issued: 01/12/1999
  • Est. Priority Date: 07/01/1993
  • Status: Expired due to Term
First Claim
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1. An apparatus for improving hearing, comprising:

  • a housing adapted to be mounted on a vibratory structure of an ear;

    a mass mechanically coupled to the housing, wherein the mass vibrates relative to the housing in direct response to an externally generated electrical signal;

    whereby vibration of the mass causes inertial vibration of the housing in order to stimulate the vibratory structure of the ear, wherein the mass includes a magnet, said magnet being an electromagnet; and

    a mounting mechanism for mounting the housing on the vibratory structure.

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