Apparatus and method capable of restricting access to a data storage device
US6487646B1 · kind B1 · utility
137Cited by
9References
90Claims
0Family size
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Key dates
| Filing date | Feb 29, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Feb 29, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/6218
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is related to a data storage device capable of restricting access to data storage or retrieval when a first code is incompatible with a second code. The data storage device comprises (a) a data storage media having a data storage region; and (b) a controller adapted to compare a first code with a second code and to restrict access to a portion of the data storage region of the data storage device if the first code is incompatible with the second code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.