发明名称 System for reading and authenticating a composite image in a sheeting
摘要 A system for reading and authenticating a composite image in a sheeting. A exemplary embodiment of the invention provides a system for reading and authenticating a sheeting including a composite image that appears to the unaided eye to be floating above or below the sheeting or both. The present invention also relates to methods of reading and authenticating a composite image that appears to the unaided eye to be floating above or below the sheeting or both.
申请公布号 US8072626(B2) 申请公布日期 2011.12.06
申请号 US20090544932 申请日期 2009.08.20
申请人 KENNER MARTIN A.;3M INNOVATIVE PROPERTIES COMPANY 发明人 KENNER MARTIN A.
分类号 G06F15/00;G06F11/00 主分类号 G06F15/00
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