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Capacitively loaded PIFA

  • US 5,764,190 A
  • Filed: 07/15/1996
  • Issued: 06/09/1998
  • Est. Priority Date: 07/15/1996
  • Status: Expired due to Term
First Claim
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1. An antenna device, comprising:

  • (a) a first conductor plate forming a transmission plate and having first and second ends,(b) a second conductor plate disposed below and arranged approximately in parallel with the first conductor plate and forming a ground conductor of the antenna device,(c) means for electrically connecting the first conductor plate with the second conductor plate,(d) a capacitive load connected between the first end of said first conductor plate and said second conductor plate and comprising a third conductor plate connected to said first end of said first conductor plate and parallel to and spaced from said second conductor plate; and

    (e) a capacitive feed to said conductor plates.

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