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Radio telecommunication apparatus capable of controlling call charges

  • US 5,109,401 A
  • Filed: 07/06/1990
  • Issued: 04/28/1992
  • Est. Priority Date: 07/07/1989
  • Status: Expired due to Term
First Claim
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1. A radio telecommunication apparatus, comprising:

  • means for making a telecommunication link between the user of said apparatus and a second party to make a call for speech communication therebetween;

    means for obtaining a charge rate from system data from a base station coupled to said apparatus;

    means coupled to said obtaining means for storing the charge rate;

    means for setting a first allowable call charge for one call;

    means, coupled to said setting means, for storing the first allowable call charge;

    means, coupled to said making means, for counting the time used for speech communication time in the call and providing a count value corresponding thereto;

    means, coupled to said charge rate storing means and said counting means, for calculating a current call charge based on said charge rate and said count value;

    means, coupled to said calculating means and said first allowable call charge storing means, for comparing said current call charge with the first allowable call charge to determine whether the current call charge exceeds the first allowable call charge; and

    means, coupled to said comparing means, for informing both the user of the apparatus and the second party when the current call charge exceeds the first allowable call charge.

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