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Dynamic magnetic device and method, and components thereof

  • US 6,663,557 B2
  • Filed: 02/13/2002
  • Issued: 12/16/2003
  • Est. Priority Date: 02/13/2001
  • Status: Expired due to Fees
First Claim
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1. A dynamic magnetic device comprising:

  • a magnetic disc having an alternating magnetic pole pattern; and

    a housing configured to encase and hold the magnetic disc for rotation, wherein the magnetic disc is configured and mounted to the housing so that the magnetic disc freely rotates or oscillates relative to the housing upon imparting motion to the housing to generate a dynamic or oscillating magnetic field.

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