Wireless communication terminal and control method thereof
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United States of America Patent
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-
Mar 10, 2009
Grant Date -
Sep 30, 2004
app pub date -
Mar 22, 2004
filing date -
Mar 24, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cellular phone includes a random number generator. When the cellular phone performs location registration operation, a time of executing location registration is determined by random numbers. Therefore, in a situation where a large number of cellular phones must perform location registration substantially simultaneously, an event where a large number of the location registration operations overlap with one another can be avoided. Hence, simultaneous concentration of loads on a network is eliminated, and stable communications between the cellular phones and an administrative server are maintained.
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