Mobile telephone having antitheft operation and methods thereof
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Aug 2, 1999
filing date -
Jul 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antitheft method for a mobile telephone for a cellular network comprises: assigning a provisional identity number to the mobile telephone before a definitive identity number is assigned to the mobile telephone; counting the cumulative duration of operation as long as the definitive identity number has not been assigned; and disabling the operation of the mobile telephone when the cumulative duration of operation reaches a time limit.
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