Method for supporting mutual exclusion function and DRM device thereof
US7617323B2 · kind B2 · utility
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2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2007 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Apr 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2147
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A mutual exclusion method and DRM device is provided. The mutual exclusion method includes receiving an instruction associated with a predetermined stored file from the CE device, checking whether a performing instruction being performed associated with the predetermined stored file exists, and generating a collision error message informing that a collision error has occurred due to the inputted instruction when the performing instruction being performed associated with the predetermined stored file exists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.