发明名称 |
METHOD AND DEVICE FOR ELECTRONICALLY PROTECTING ITEMS AGAINST THEFT |
摘要 |
The invention relates to a method and device for electronically protecting items against theft. Said device consists of a security element which is integrated into the item and is excited within a given security area by an interrogation field of a transmitting device to generate a characteristic signal, wherein a receiver device triggers an alarm upon recognition of the characteristic signal. The invention has the aim of providing a method and a device enabling protection of the supply of items made from varying materials. This is done by providing a shape-retaining security element and/or a shape-retaining security element enclosed by shape-retaining casing, and by embedding or integrating said device in the item during manufacturing.
|
申请公布号 |
US2002149479(A1) |
申请公布日期 |
2002.10.17 |
申请号 |
US19990331162 |
申请日期 |
1999.06.21 |
申请人 |
DUSCHEK DETLEF;SILBERZAHN ULRICH |
发明人 |
DUSCHEK DETLEF;SILBERZAHN ULRICH |
分类号 |
G08B13/24;(IPC1-7):G08B13/14 |
主分类号 |
G08B13/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|