发明名称 |
System and method of authentifying |
摘要 |
The device comprises a memory ( 10 ) with a first section ( 11 ) and a second section ( 12 ). The second section ( 12 ) can be read only after erasure of the first section ( 11 ). The memory is suitable for authentication purposes, in that the first section ( 11 ) contains a first code part and the second section contains a second code part of an identification code. The device is preferably an semiconductor device and can be integrated in articles and in record carriers.
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申请公布号 |
US2005173540(A1) |
申请公布日期 |
2005.08.11 |
申请号 |
US20040514021 |
申请日期 |
2004.11.06 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
VAN RENS BAS J.E. |
分类号 |
G06F21/24;G06F1/00;G06F21/00;G06F21/73;G06F21/78;G06K17/00;G06K19/10;G07F7/00;G07F7/10;G11C11/34;G11C16/22;(IPC1-7):G06K19/06 |
主分类号 |
G06F21/24 |
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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