| 发明名称 |
Group monitoring system has Bluetooth transmitters detects absence of members. |
| 摘要 |
Group monitoring system has short range Bluetooth personal units (1-4) sending data to a central control receiver (11) with display and alarm signal (14) if the a personal unit is not detected for an individually set time.
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| 申请公布号 |
DE10063403(A1) |
申请公布日期 |
2002.07.11 |
| 申请号 |
DE20001063403 |
申请日期 |
2000.12.19 |
| 申请人 |
DEUTSCHES ZENTRUM FUER LUFT- UND RAUMFAHRT E.V. |
发明人 |
ANGERMANN, MICHAEL;STEINGAS, ALEXANDER;ROBERTSON, PATRICK |
| 分类号 |
G08B21/02;(IPC1-7):G08B21/22;G08B25/10;G08C17/02;G08B26/00 |
主分类号 |
G08B21/02 |
| 代理机构 |
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代理人 |
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