Patent · US Expired

Apparatus and method for recording/reproducing data, which enable reading of data recorded even when the apparatus stops due to a power failure

US7356249B2 · kind B2 · utility

1Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 2001
Grant dateApr 8, 2008
Priority date
Expiry dateApr 15, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/7921
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The hard disc is provided with two areas for storing file system management information and content management information. The disc recorder records double file system management information and content management information onto the hard disc. Further, information indicating a procedure for updating file system management information is described in a flash descriptor, and a procedure for updating content management information is described in a robust descriptor.

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