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Portable telephone terminal device and a method for restricting pay service for using the terminal device

  • US 7,263,348 B2
  • Filed: 11/19/2003
  • Issued: 08/28/2007
  • Est. Priority Date: 11/20/2002
  • Status: Active Grant
First Claim
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1. A portable telephone terminal device, comprising:

  • a recording medium adapted to record information of a subscriber, andmeans for restricting execution of a service that incurs payment, except for a telephone call service, based on information indicative of a master-slave relation recorded in said recording medium;

    wherein said restriction means executes restriction according to one of a permission and a restriction from a second terminal device having a second recording medium that records information indicative of the master-slave relation when the information recorded in the second recording medium of the second terminal device indicates the second terminal device is a master, and when the information recorded in the recording medium of the portable telephone terminal device indicates the portable telephone terminal device is a slave.

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