Patent · US Active

Data content identification

US7899205B2 · kind B2 · utility

8Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 2004
Grant dateMar 1, 2011
Priority date—
Expiry dateNov 20, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2020/10537
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method of detecting a version of input data content, there being a plurality of different versions of said data content, in which:

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