发明名称 Mobile phone antitheft unit has transponder monitors distance from holster sounds alarm
摘要 A mobile phone antitheft unit has a passive transponder (EP) oscillator fixed to the phone (TM) and switched ( I) on by removal from the holster that returns a signal to the transmitter receiver (E/R) which sounds an alarm (AL) when signal is below a threshold of one meter separation.
申请公布号 FR2813421(A1) 申请公布日期 2002.03.01
申请号 FR20000010980 申请日期 2000.08.28
申请人 VINCENT MARC 发明人 VINCENT MARC
分类号 G08B13/14;G08B21/24;(IPC1-7):G08B13/24;H04Q7/20 主分类号 G08B13/14
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