HK1020552B - 自核实保密文件 - Google Patents
自核实保密文件 Download PDFInfo
- Publication number
- HK1020552B HK1020552B HK99105622.7A HK99105622A HK1020552B HK 1020552 B HK1020552 B HK 1020552B HK 99105622 A HK99105622 A HK 99105622A HK 1020552 B HK1020552 B HK 1020552B
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- security document
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- security
- sheet
- transparent
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Abstract
一种安全和/或有价值的文件，例如钞票(1)，结合有验证装置(11；21；31；41)，当所述验证装置和安全特征彼此叠置时，所述验证装置用于验证相同或不同安全文件上的安全特征(10；22；32；43)。检验装置的例子包括光学透镜(11)，图形元件，光学滤波器(21；31)，干涉滤光器或线或点栅格(41)。一种光学滤光片可以采取彩色滤光片(21)的形式，用于观察包括在相同或不同的安全文件上用条件配色油墨印刷的区域的安全元件(22)。另一种形式的滤光器是第一透明偏振窗口(31)，用于验证在相同或不同安全文件上的第二透明偏振窗口(32)。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPO2892A AUPO289296A0 (en) | 1996-10-10 | 1996-10-10 | Self-verifying security documents |
| AUPO2892 | 1996-10-10 | ||
| PCT/AU1997/000675 WO1998015418A1 (en) | 1996-10-10 | 1997-10-08 | Self-verifying security documents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1020552A1 HK1020552A1 (zh) | 2000-05-12 |
| HK1020552B true HK1020552B (zh) | 2002-05-24 |
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