Automatic detection of battery-backed data integrity in volatile memory
US6760672B2 · kind B2 · utility
2Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2002 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Apr 27, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Battery backed memory for use in an industrial controller allows volatile memory to be retained in instances of line power loss. A method and apparatus are disclosed for providing assurance that sufficient battery voltage was present during the entire power down period to maintain data integrity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.