Method and apparatus for preventing data reproducibility
US8576682B2 · kind B2 · utility
1Cited by
2References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2009 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Mar 21, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2537
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are a method and an apparatus to prevent reproducibility of data with respect to an optical information storage medium. The method includes recording patterns with respect to the optical information storage medium using irradiated light so as prevent reproduction of the data. The patterns may cause an error or a malfunction when attempting to access the data of the optical information storage medium so as to prevent the reproduction of the data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.