System with read protecting function

Details System with read protecting function System with read protecting function

2006-02-01

2010-10-05

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S047200, C369S047190

Reexamination Certificate

active

07808867

ABSTRACT:
The present invention relates to a system with read protecting function that comprises a record medium, having a data substrate with a control data zone and a data zone thereon, wherein the control data zone has a plurality of blocks, and every block has a plurality of sectors, and every sector has a plurality of bytes, and the data zone has encoded data, as well as a control code is disposed in the one of the sectors in control data zone; an optical storage device, for loading the record medium and reading and identifying the control code, then decoding the control code and outputs the decoded data if the control code is identifiable; or directly output the encoded data if the control code is not identifiable. Furthermore, the present invention relates to a method for protecting a record medium.

REFERENCES:
patent: 5878020 (1999-03-01), Takahashi
patent: 6069953 (2000-05-01), Kong
patent: 6532201 (2003-03-01), Hogan
patent: 7058977 (2006-06-01), Furukawa et al.
patent: 7408859 (2008-08-01), Tanaka et al.

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