Patent · US Active

Data recovery apparatus and method used for flash memory

US7421624B2 · kind B2 · utility

3Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2005
Grant dateSep 2, 2008
Priority date
Expiry dateSep 16, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/102
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A data recovery apparatus and method used for a flash memory, which can recover data damaged or lost when power supplied to the flash memory is cut off while data operations are being consecutively performed on at least one data stored in the flash memory. The data recovery apparatus performs a data operation at each of a plurality of consecutive logical addresses, and if the data operations performed at the logical addresses are successful, records a mark value in a last index area of a plurality of consecutive index areas respectively corresponding to the consecutive logical addresses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.