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Radio-communication terminal device that prevents communication through an unauthenticated antenna

  • US 7,197,298 B2
  • Filed: 04/20/2004
  • Issued: 03/27/2007
  • Est. Priority Date: 04/23/2003
  • Status: Expired due to Fees
First Claim
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1. A radio-communication terminal device comprising:

  • an antenna unit that includes;

    an antenna element for transmitting and receiving radio signals; and

    an authenticator for indicating an authentication of the antenna unit; and

    a transceiver unit that includes;

    a transmission circuit that transmits radio signals to the antenna unit;

    a reception circuit that receives radio signals from the antenna unit;

    an authentication detector that determines whether the authenticator indicates the authentication of the antenna unit; and

    a communication controller for preventing communication through the antenna unit when the authentication detector does not indicate the authentication.

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