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Compact dual narrow band microstrip antenna

  • US 6,421,014 B1
  • Filed: 10/10/2000
  • Issued: 07/16/2002
  • Est. Priority Date: 10/12/1999
  • Status: Expired due to Term
First Claim
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1. A compact antenna comprising:

  • a dielectric having a first side and a spaced, oppositely facing second side, a directly fed first radiating element on said first side, said first radiating element having a first edge and a second edge adjacent to and extending transverse to said first edge, said first radiating element including a reactance window spaced from said first edge and opening through and extending inward from and transverse to said second edge, a parasitic second radiating element on said first side arranged side by side with said first radiating element, said second radiating element being separated from said first radiating element by a gap, said second radiating element having a first edge and a second edge adjacent to and extending transverse to said first edge, said second radiating element including a reactance window spaced from said first edge and extending inward from and transverse to said second edge, a ground plane on said second side, first means, connected between said first edge of said first radiating element and said ground plane, for partially shorting said first radiating element to said ground plane, and second means, connected between said first edge of said second radiating element and said ground plane, for partially shorting said second radiating element to said ground plane.

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