发明名称 |
DATA CARRIER WITH OPTICALLY VARIABLE COLOUR |
摘要 |
This patent application relates to a data carrier with an optically variable element. The optically variable element consists of a first structured print which is overlaid with a second print at least in partial areas. The second print is applied to a document with an ink which contains an optically variable pigment having no, or only slight, body color of its own.
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申请公布号 |
CA2238743(C) |
申请公布日期 |
2005.10.04 |
申请号 |
CA19962238743 |
申请日期 |
1996.11.26 |
申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
BRAUN, ECKHARD;PLASCHKA, REINHARD |
分类号 |
B41M3/14;(IPC1-7):B41M3/14 |
主分类号 |
B41M3/14 |
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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