发明名称 |
ARTIGOS EMPREGANDO MARCAS MAGNETICAS DE SEGURANCA |
摘要 |
Articles for use with security documents are disclosed which include planchettes and security threads that comprise a plastic substrate having at least one security feature employing soft magnetic metal located thereon. Preferred articles comprise at least two security features where a first security feature is made up of an optionally repeating pattern of soft magnetic metal adapted to generate a signal or a series of signals in an interrogation field applied by a detection system for remote detecting and optionally for remote reading or identifying the article. A second security feature is a public security feature that comprises magnetic and/or non-magnetic metal formed indicia. The first and second security features of this invention can be coextensive features. |
申请公布号 |
PT824405(E) |
申请公布日期 |
2000.05.31 |
申请号 |
PT19960915703T |
申请日期 |
1996.05.10 |
申请人 |
CRANE & CO., INC. |
发明人 |
ANDREW DAMES;GERAINT DAVIES;ALARIC NAIMAN |
分类号 |
B42D15/10;B41M3/14;D21H21/40;D21H21/42;D21H21/48;G06K19/06;G06K19/10;G07D7/04 |
主分类号 |
B42D15/10 |
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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