发明名称 |
FLAECHIGES ELEMENT MIT BEURKUNDUNGSMITTELN |
摘要 |
A sheet element, such as a banknote, has an incorporated authenticating device comprising a film having at least one edge which is provided with a non-rectilinear portion or portions shaped to provide coded information relating to the sheet element. The shape and proportions of said at least one edge of the shaped non-rectilinear portion or portions of said film are sensed to generate a signal dependant upon the shape and proportions of the edge of the film so as to derive the coded information. |
申请公布号 |
DE2808552(A1) |
申请公布日期 |
1978.09.07 |
申请号 |
DE19782808552 |
申请日期 |
1978.02.28 |
申请人 |
THE GOVERNOR AND COMPANY OF THE BANK OF ENGLAND |
发明人 |
DENIS LEE,PETER |
分类号 |
B42D15/00;B42D15/10;B44F1/12;G07D7/00;G07D7/04;G07D7/20 |
主分类号 |
B42D15/00 |
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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