发明名称 Group intercom, delayed playback, and ad-hoc based communications system and method
摘要 An ad hoc wireless communications system and method permits a group of wireless portable communications devices to communicate with each other. The ad hoc network has security systems. A server for the ad hoc network is selected from among the portable communications devices associated with the ad hoc network.
申请公布号 US2008155689(A1) 申请公布日期 2008.06.26
申请号 US20040958528 申请日期 2004.10.05
申请人 发明人 DENNINGHOFF KARL;MENDONSA PAUL A.
分类号 G06F21/00;H04L;H04L12/18;H04W4/08;H04W4/10;H04W12/04;H04W12/12;H04W84/18 主分类号 G06F21/00
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