发明名称 |
MERCHANDISE SURVEILLANCE SYSTEM ANTENNA AND METHOD |
摘要 |
Embodiments of the invention provide a method, system and apparatus for d etecting a merchandise marker in which a first antenna has a circuit having a first loop defining a first area and a second loop defining a second area substantially coplanar with the first area. A second antenna is substantiall y coplanar and orthogonally positioned with respect to the first antenna. Th e second antenna has a circuit having a third loop defining a third area and a fourth loop defining a fourth area substantially coplanar with the third area.
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申请公布号 |
CA2661472(A1) |
申请公布日期 |
2008.02.28 |
申请号 |
CA20072661472 |
申请日期 |
2007.08.22 |
申请人 |
SENSORMATIC ELECTRONICS CORPORATION |
发明人 |
SCHNEIDER, JACK H.;BALCH, BRENT FRANKLIN |
分类号 |
H01Q7/04;H01Q1/22 |
主分类号 |
H01Q7/04 |
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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