Preventing overwrite of nonessential code during essential code update
US8839227B2 · kind B2 · utility
5Cited by
2References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 2, 2009 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | May 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F8/654
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for downloading updated software from a head end to a cable modem that writes to flash memory an updated operating system code without overwriting the preexisting application code portion and also without overwriting the preexisting operating system code portion. Updated application code is not written until the updated operating system code has been verified as error-free.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.