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Antenna for a wireless communication module

  • US 6,133,886 A
  • Filed: 07/01/1999
  • Issued: 10/17/2000
  • Est. Priority Date: 07/01/1999
  • Status: Expired due to Term
First Claim
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1. In a wireless communication module having a circuit board with a first side and an opposite side, an antenna for electromagnetic interference suppression comprising:

  • a shield plate located on the first side of the circuit board;

    an antenna loop element located on the opposite side of the circuit board and having a first loop end and a second loop end, wherein the first loop end is coupled to the shield plate;

    a transmission line element located on the opposite side of the circuit board and having a first transmission line end and a second transmission line end, wherein the second transmission line end is open ended; and

    a capacitive coupling element interconnecting the first transmission line end to the second loop end.

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