Patent · US Active

Method and apparatus for controlling access to storage media

US7660415B2 · kind B2 · utility

2Cited by
299References
9Claims
0Family size

Inventors

Key dates

Filing dateDec 6, 2004
Grant dateFeb 9, 2010
Priority date
Expiry dateSep 25, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2007/24612
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for controlling access to a storage medium, such as an optically readable medium. Light sensitive or other materials that are adapted to change state and affect reading of a storage medium are used to control access to data that may be stored on optical medium and/or to control use of the medium.

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