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专利名称：Antiforgery curity system 发明人：Mark A. Litman
申请号：US08/692753
申请日：19960806
公开号：US05988500Acmyk是什么意思
吸血鬼日记3公开日：
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摘要：Elongated magnetic elements can be inrted into items to provide readable magnetic patterns which provide reproducible or unique signal patterns to identify or authenticate the items. Magnetic fibers may be distributed within items or magnetic strips to provide reproducible patterns when read. The patterns are stable becau of the relatively large size of the magnetic elements as compared to conventional patterns of particles in recordable media. Oriented patterns of filaments may also be inrted into transactional items such as credit cards, checks and the like to provide identification (antiforgery) curity to the item.
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申请人：AVEKA, INC.
代理机构：Schwegman, Lundberg, Woessner & Kluth, P
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