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.
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
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