| 发明名称 |
AUDIBLE TAG FOR MAGNETIC ELECTRONIC ARTICLE SURVEILLANCE SYSTEMS |
| 摘要 |
A tag for use in a magnetic article surveillance system comprising an antenna means responsive to a transmitted magnetic signal and a piezolectric means responsive to the antenna means for generating an audible acoustic signal.
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| 申请公布号 |
CA2020952(A1) |
申请公布日期 |
1991.06.06 |
| 申请号 |
CA19902020952 |
申请日期 |
1990.07.11 |
| 申请人 |
SENSORMATIC ELECTRONICS CORPORATION |
发明人 |
DRUCKER, FRANK |
| 分类号 |
G01V3/10;G01V3/00;G01V15/00;G08B13/24;G09F27/00;H04R17/10;(IPC1-7):G08B13/24 |
主分类号 |
G01V3/10 |
| 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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