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Switched-resonance antenna phase shifter and phased array incorporation same

  • US 20050073461A1
  • Filed: 09/28/2004
  • Published: 04/07/2005
  • Est. Priority Date: 10/02/2003
  • Status: Active Grant
First Claim
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1. An RF antenna phase shifter comprising:

  • an RF antenna element having plural controllable possible resonant modes of operation, said modes exhibiting phase shifted antenna characteristics relative to one another; and

    a controllable circuit connected to selectively cause different ones of said possible resonant modes of operation to occur.

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