Patent · US Expired

Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication

US7650328B2 · kind B2 · utility

7Cited by
23References
8Claims
0Family size

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Key dates

Filing dateJul 24, 2003
Grant dateJan 19, 2010
Priority date
Expiry dateDec 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.