Copy preventing device and preventing method thereof

Details Copy preventing device and preventing method thereof Copy preventing device and preventing method thereof

2005-02-01

2010-10-12

Frech, Karl D. (Department: 2887)

Registers

Systems controlled by data bearing records

C235S380000, C235S382000

Reexamination Certificate

active

07810709

ABSTRACT:
The present invention relates to a copy preventing device and a copy preventing method thereof which is capable of preventing copy illegally of products using a semiconductor stored a password therein. The copy of the product can be prevented by ALPU (Algorithm License Permittion Uniwide) or random value. The present invention also relates to a device and method thereof which is capable of being changed an operation, structure and information of the semiconductor by constructing the ALPU and RF Reader therein.

REFERENCES:
patent: 256768 (1988-02-01), None
patent: 9-501529 (1997-02-01), None
patent: 2003-28789 (2003-04-01), None
patent: 2003-96131 (2003-12-01), None

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