发明名称 |
Vorrichtung und Verfahren zum Detektieren der Anwesenheit eines in Betrieb befindlichen zellularen GSM-Telefons oder jeglicher anderen mobilen Geräte |
摘要 |
The invention concerns an equipment for detecting a cellular telephone in a protected zone characterised in that it comprises at least a HF receiver circuit whereof the output is connected to a microcomputer controlled so as to detect at least a service code representing the operation of a cellular telephone system and for transmitting a warning signal in the event such a service code is detected. |
申请公布号 |
DE69913945(T2) |
申请公布日期 |
2004.12.23 |
申请号 |
DE1999613945T |
申请日期 |
1999.01.27 |
申请人 |
LONGHI, PATRICE |
发明人 |
LONGHI, PATRICE |
分类号 |
H04B7/26;H04B17/00;H04W48/04;(IPC1-7):H04Q7/38;H04K3/00 |
主分类号 |
H04B7/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|