Method for Tamperproof Identification of Individual Electronic Sub-Assemblies
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United States of America Patent
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Issued Date -
Nov 19, 2009
app pub date -
Jun 29, 2006
filing date -
Jul 5, 2005
priority date (Note) -
Abandoned
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Abstract
A method for tamperproof identification of individual electronic sub-assemblies determines the state changes of specific memory cells of the memory resulting from a specific interruption of one or more auxiliary functions of a memory of an individual electronic sub-assembly and compares them with respect to identity with predetermined memory-characteristic reference state changes of specific memory cells of the memory resulting from the specific interruption of the auxiliary function of the memory of the electronic sub-assembly.
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