发明名称 Asset security tag
摘要 The present invention provides an asset security tag comprising a housing, a transmitter transmitting radio frequency waves, the transmitter located in the housing, an electronic circuit located in the housing and coupled to the transmitter, the electronic circuit transmitting an alarm signal when the asset has been relocated to an unauthorized area, and a tag removal alarm circuit for detecting an unauthorized removal of the asset security tag from the asset and for enabling the transmitter to transmit an alarm signal upon detecting the unauthorized removal, whereby the asset security tag may be secured to an asset, and either unauthorized relocation of the asset or unauthorized removal of the tag from the asset will cause an alarm signal to be transmitted.
申请公布号 US6137414(A) 申请公布日期 2000.10.24
申请号 US19980201702 申请日期 1998.11.30
申请人 EXI WIRELESS SYSTEMS INC. 发明人 FEDERMAN, VLADIMIR
分类号 G08B13/06;G08B13/14;(IPC1-7):G08B13/06 主分类号 G08B13/06
代理机构 代理人
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