发明名称 |
JAMMING APPARATUS FOR ELECTRONIC ARTICLE SURVEILLANCE SYSTEMS |
摘要 |
In an electronic article surveillance system, a jamming apparatus is provided for establishing a jamming zone in which tags can be situated and not respond to message signals from a surveillance system transmitter and in which the surveillance system receiver can be situated and still respond to tag signals.
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申请公布号 |
CA2048940(A1) |
申请公布日期 |
1992.05.27 |
申请号 |
CA19912048940 |
申请日期 |
1991.08.12 |
申请人 |
SENSORMATIC ELECTRONICS CORPORATION |
发明人 |
DRUCKER, FRANK;SZKLANY, CRAIG |
分类号 |
G08B21/00;G08B13/22;G08B13/24;G08B21/24;G08B25/00;G08B25/10;(IPC1-7):G08B29/00 |
主分类号 |
G08B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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