Patent · US Expired

Centralized detector of dynamic, robust, embedded-signals

US7493490B2 · kind B2 · utility

5Cited by
1References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2003
Grant dateFeb 17, 2009
Priority date
Expiry dateJun 12, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B20/00884
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Described herein is a technology for dynamic and robust detection of one or more embedded-signals (e.g., watermark, copyright notice, encoded data, etc.) in an input signal (e.g., multimedia stream, video stream, audio stream, data, radio, etc.) within a multi-signal environment. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.

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