发明名称 |
Methods and systems for tracking wireless devices |
摘要 |
The presence and location (among other things) of wireless devices is tracked in order to enable the use of special services, such as wireless instant messaging. Both conventional and WAP-enabled wireless devices may be so tracked.
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申请公布号 |
US2002034941(A1) |
申请公布日期 |
2002.03.21 |
申请号 |
US20010790677 |
申请日期 |
2001.02.23 |
申请人 |
PATIL PRATHAP;GOLLAKOTA RAMGOPAL V. |
发明人 |
PATIL PRATHAP;GOLLAKOTA RAMGOPAL V. |
分类号 |
H04L12/26;H04L12/58;H04L29/08;H04W4/02;H04W8/14;(IPC1-7):H04Q7/20 |
主分类号 |
H04L12/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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