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Method of regulating resonance frequency of surface-mountable antenna

  • US 5,588,198 A
  • Filed: 03/06/1995
  • Issued: 12/31/1996
  • Est. Priority Date: 03/09/1994
  • Status: Expired due to Term
First Claim
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1. A method of regulating the resonance frequency of a surface-mountable antenna, comprising the steps of:

  • preparing a surface-mountable antenna including a substrate made of a dielectric material, a groove being formed on an upper surface of said substrate to have end portions at a pair of opposite end surfaces of said substrate, a radiating electrode being formed on the inner peripheral surface of said groove, a feeding electrode being formed on one of said pair of opposite end surfaces of said substrate in conductive connection with said radiating electrode, a ground electrode being formed on one of said pair of end surfaces to be insulated from said feeding electrode, and an end electrode being formed on the other one of said pair of opposite end surfaces of said substrate; and

    partially trimming said radiating electrode, said ground electrode or said end electrode for regulating the resonance frequency of said surface-mountable antenna.

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