发明名称 |
SETT OCH ANORDNING FOR HEMLIG KARAKTERISERING OCH UTVERDERING AV MASKINLESBARA DATABERARE |
摘要 |
For producing and evaluating secret identification code marks on data carriers of the kind adapted to be scanned by machines specific parameters are recorded in encoded form. In order to reach a high degree of security in respect of fraud or counterfeit without requiring a complicated and expensive production process the identifying parameter is processed in accordance with an unequivocally reversible mathematical rule. The individual parameter may contain an encoded calculation rule. The processing of an identification number contained in the said parameter takes place in accordance with that rule. |
申请公布号 |
SE8004399(L) |
申请公布日期 |
1980.12.16 |
申请号 |
SE19800004399 |
申请日期 |
1980.06.13 |
申请人 |
STOCKBURGER H;WINDERLICH HANS GEORG |
发明人 |
STOCKBURGER HERMANN;WINDERLICH HANS-GEORG |
分类号 |
G09C1/00;G06K19/10;G07F7/12;(IPC1-7):G07C11/00;B42D15/02;G06K19/08 |
主分类号 |
G09C1/00 |
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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