发明名称 |
CLOSE PROXIMITY ALERT MESSAGING SYSTEM AND METHOD |
摘要 |
An alert broadcast method includes wirelessly transmitting a first message from a first cellular communication device to a central transceiver. The first message has a characteristic identifying the first message as an alert message. A location of the first cellular communication device is determined. A plurality of second cellular communication devices that are within a proximity of the first cellular communication device are identified. A second message is transmitted from the central transceiver to the second cellular communication devices. The second message is dependent upon the first message.
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申请公布号 |
US2010210290(A1) |
申请公布日期 |
2010.08.19 |
申请号 |
US20090370905 |
申请日期 |
2009.02.13 |
申请人 |
BOSCH SECURITY SYSTEMS, INC.;ROBERT BOSCH GMBH |
发明人 |
RILEY JAMES W.;MARKHAM STEVEN |
分类号 |
H04W4/00;G08B21/00;H04B7/00 |
主分类号 |
H04W4/00 |
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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