Patent · US Active

Error correction method and apparatus for data storage device

US8001447B2 · kind B2 · utility

3Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2007
Grant dateAug 16, 2011
Priority date
Expiry dateJun 7, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/2516
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a data storage device comprising a disk storage medium containing user data in a plurality of sectors, a head for writing or reading the user data and error correcting means for correcting an error that occurs in the user data during the reading process. The error correcting means comprises a syndrome generator for generating syndromes on the basis of the user data contained in predetermined sectors, registers for storing the syndromes generated and an exclusive OR circuit for exclusive ORing the values stored in the registers.

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