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BROADBAND CORNUCOPIA-TYPE ANTENNA SYSTEM

  • US 3,618,104 A
  • Filed: 02/26/1968
  • Issued: 11/02/1971
  • Est. Priority Date: 02/26/1968
  • Status: Expired due to Term
First Claim
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1. A broadband antennA for electromagnetic radiations comprising an antenna element having an arcuate central axis, a lateral closed surface about said axis, a feed point termination located at one end of said closed surface and situated a predetermined distance above a conductive ground plane, an end termination located at the opposite end of said closed surface and connected to said ground plane, said lateral closed surface being diverged outwardly from said feed point termination to said end termination, means for coupling said feed point termination to a source of electromagnetic energy, and a terminating transmission line and capacitance means coupled together in series to said lateral closed surface intermediate said feed point end termination and said end termination for tuning said antenna element to a predetermined operating frequency.

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