Patent · US Active

Apparatus for writing information on a data content on a storage medium

US8301906B2 · kind B2 · utility

0Cited by
19References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 2007
Grant dateOct 30, 2012
Priority date
Expiry dateJan 9, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/2537
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus for writing checksum information on a data content on a storage medium. The apparatus has a provider for providing checksum information based on the data content and a writer for writing the data content and the checksum information on the storage medium such that a baseline reader and an enhanced reader can read the data content, the enhanced reader can read and process the checksum information, and the baseline reader ignores, skips or does not read the checksum information.

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