Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication
US7650328B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 24, 2003 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Dec 18, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2101
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data storage device includes a secure data storage portion including a log memory. The log memory is formed of a plurality of banks, and stores history information in the plurality of banks in a ring-like fashion. The plurality of banks are designated by addresses (0−(N−1)), respectively. Each of the items of the history information respectively stored in the banks includes a management number region, a license ID (LID) region, a Ks2x region, an ST1 region, an ST2 region, a KPcmy region and a LBA region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.