发明名称 |
RESONANT MARKER FOR USE WITH RADIO FREQUENCY ELECTRONIC ARTICLE SURVEILLANCE SYSTEM |
摘要 |
<p>A resonant marker for use with an RF electronic article surveillance system, said marker having a resonant circuit combining a flat coil with a condenser, adapted to be mounted on an article so as to be located by a goods monitoring apparatus by radio waves, characterized by setting a portion of said coil almost perpendicularly to the plane including the remainder of the coil.</p> |
申请公布号 |
CA1252170(A) |
申请公布日期 |
1989.04.04 |
申请号 |
CA19860518468 |
申请日期 |
1986.09.18 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
OKADA, SADAO;UMEZAWA, KAZUNORI |
分类号 |
G08B13/24;H01L27/01;(IPC1-7):G08B13/24 |
主分类号 |
G08B13/24 |
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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