Recording and/or playback apparatus and method

Details Recording and/or playback apparatus and method Recording and/or playback apparatus and method

2006-01-24

2006-01-24

Barron, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S165000, C713S190000, C726S032000, C726S034000, C726S035000

Reexamination Certificate

active

06990589

ABSTRACT:
A recording and/or playback apparatus having a first storage medium including a management region and a data region, an initializing device for initializing the first storage medium so that the first storage medium includes the management region and the data region, a generating device for generating a predetermined value when the initialization is performed, a second storage medium storing the predetermined value therein, a transforming device for applying a transformation to the predetermined value so as to be a different value, and a control device for controlling the output of the transforming device so as to store the output in the management region.

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patent: 9944202 (1999-09-01), None

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