Tamper resistant write once recording of a data storage cartridge having rewritable media
US7038874B1 · kind B1 · utility
6Cited by
13References
27Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Dec 31, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/042
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cartridge handling system and method initialize a data storage cartridge having rewritable media and a cartridge memory for tamper resistant write once recording. A write-once flag is written to a lockable section of the cartridge memory also having a cartridge memory serial number, and the section locked to read-only. A write-once flag and the serial number are written to a required data set of the rewritable media, both thereby appearing in both locations of the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.