File change detection
US8452736B2 · kind B2 · utility
4Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2008 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Jun 30, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/1744
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method include selecting a file for potential backing up. A metadata signature is calculated on the selected file. The metadata signature of the selected file is compared to a metadata signature of a corresponding file already backed up. The file is only backed up the file if the signatures do not match.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.