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Transducer for converting between mechanical vibration and electrical signal

  • US 7,132,597 B2
  • Filed: 02/26/2002
  • Issued: 11/07/2006
  • Est. Priority Date: 02/26/2002
  • Status: Active Grant
First Claim
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1. A transducer comprising:

  • a housing;

    an electrical signal carrier physically connected to the housing, with the electric signal carrier being structured to carry an electrical signal;

    carrier connection hardware structured to physically connect the electrical signal carrier member to the housing;

    a magnetic member physically connected to the housing;

    member connection hardware structured to physically connect the magnetic member to the housing, with the carrier connection hardware and the member connection hardware being structured and located to allow the electrical signal carrier and the magnetic member to vibrate relative to each other; and

    damping liquid disposed within the housing to substantially surround at least one of the electrical signal carrier and the magnetic member;

    wherein at least a portion of the electric signal carrier is shaped as a coil, with the coil defining a coil interior and a coil axis,wherein the carrier connection hardware is structured to substantially fix the location of the coil-shaped portion of the electric signal carrier member with respect to the housing, andwherein the member connection hardware is structured to maintain the magnetic member at least partially within the coil interior such that the magnetic member is free to vibrate substantially in the direction of the coil axis.

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