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Broadband antenna realized with shorted microstrips

  • US 6,008,764 A
  • Filed: 03/24/1998
  • Issued: 12/28/1999
  • Est. Priority Date: 03/25/1997
  • Status: Expired due to Term
First Claim
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1. A microstrip antenna having a ground plane, a first strip and a second strip arranged between the ground plane and the first strip, comprisinga first short circuiting member and a second short circuiting member, whereby one end of the first strip is short circuited to the ground plane by said first short circuiting member and the corresponding end of the second strip is short circuited to the ground plane by said second short circuiting member, the first strip having a first resonance frequency and the second strip having a second resonance frequency, whereby the first and the second resonance frequencies form a substantially continuous operating band,means for increasing the inductance of a strip in at least one of the strips,means for increasing the inductance of a short circuiting member in at least one of said short circuiting members,and an antenna feed connected to the second strip.

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