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FOCUSING DEVICE FOR LOW FREQUENCY OPERATION

  • US 20130003245A1
  • Filed: 06/29/2011
  • Published: 01/03/2013
  • Est. Priority Date: 06/29/2011
  • Status: Active Grant
First Claim
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1. A method of modifying an incident magnetic field to obtain a magnetic field distribution, the method comprising:

  • providing a focusing device having a first side and a second side;

    directing the incident magnetic field towards the first side,the incident magnetic field generating an induced electrical current profile within the focusing device; and

    obtaining a transmitted magnetic field from the second side, the transmitted magnetic field providing the magnetic field distribution,the transmitted magnetic field being generated by the induced electrical current profile within the focusing device,the incident magnetic field having a frequency in the range 1 Hz-30 MHz.

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