发明名称 Personal valuables protection system - has receiver activating alarm when transmitter attached to protected item is out of range
摘要 The protection system, for preventing theft or loss, uses a transmitter attached to, or contained within; a valuable item and a receiver worn by the owner. The max. transmission range between the transmitter and receiver is 2m, with an acoustic alarm signal triggered automatically by the receiver, when the transmitter is out of range. The max. transmission range may by selected individually dependent on the item to be protected, the same receiver being used to monitor a number of different valuables, each with a respective transmitter. USE - For preventing loss of valuables e.g. luggage when travelling.n
申请公布号 DE4035443(A1) 申请公布日期 1992.05.07
申请号 DE19904035443 申请日期 1990.11.05
申请人 ELLERBROK, JUERGEN, 1000 BERLIN, DE 发明人 ELLERBROK, JUERGEN, 1000 BERLIN, DE
分类号 G01S11/00;G08B13/14;G08B21/24 主分类号 G01S11/00
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