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Hidden antenna device of a mobile phone

  • US 6,266,020 B1
  • Filed: 07/24/2000
  • Issued: 07/24/2001
  • Est. Priority Date: 07/24/2000
  • Status: Expired due to Term
First Claim
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1. A hidden antenna device of a mobile phone, said mobile phone is comprised of an upper cover and a lower cover, a main electric circuit board is provided in the interior space formed by said upper cover and lower covers, said antenna device is characterized by:

  • said lower cover has an antenna circuit printed on the inner bottom surface of said lower cover;

    said antenna circuit has a first protruding end connecting point, said main electric circuit board in the body of said mobile phone has on the rear surface thereof another connecting point in opposition to said first end connecting point, a ceramic layer and a matching electric circuit board layer having a desired frequency are provided between said antenna circuit and said main electric circuit board, when said upper cover and said lower cover are assembled, said connecting points connect with each other.

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