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Mobile telephone using subscriber card

  • US 20020165008A1
  • Filed: 04/02/2002
  • Published: 11/07/2002
  • Est. Priority Date: 04/03/2001
  • Status: Active Grant
First Claim
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1. A mobile telephone using a subscriber card for conducting telephone service by mounting a subscriber card containing a subscriber'"'"'s identification code, comprising a CPU and a memory, and being controlled programs installed in the memory, wherein said mobile telephone comprises the procedure of erasing given data stored in an internal memory of the mobile telephone from the internal memory when the subscriber card is removed after the mobile telephone is used with the subscriber card mounted.

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