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Space efficient magnetic antenna method

  • US 8,922,440 B2
  • Filed: 07/12/2010
  • Issued: 12/30/2014
  • Est. Priority Date: 12/21/2004
  • Status: Active Grant
First Claim
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1. A method for providing an omnidirectional space efficient magnetic antenna system, said method comprising:

  • generating a first magnetic antenna having a first antenna null axisgenerating a second magnetic antenna having a second antenna null axis;

    aligning said second antenna null axis substantially orthogonal to said first antenna null axis; and

    positioning said second magnetic antenna in a minimal coupling orientation with respect to said first magnetic antenna at a first center to center distance from said first magnetic antenna;

    said minimal coupling orientation providing at least 10 dB decoupling between said first magnetic antenna and said second magnetic antenna compared with a configuration providing a maximum coupling achievable between said first magnetic antenna and said second magnetic antenna at said first center to center distance from said first magnetic antenna to said second magnetic antenna wherein said first antenna and said second magnetic antenna are together positioned while maintaining an orthogonal relationship;

    said first magnetic antenna having a first length dimension corresponding to said first antenna null axis and said second magnetic antenna having a second length dimension corresponding to said second antenna null axis;

    said first length dimension of said first magnetic antenna being not equal to said second length dimension of said second magnetic antenna;

    said omnidirectional space efficient magnetic antenna system providing omnidirectional coverage using said first magnetic antenna in combination with said second magnetic antenna.

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