Non-volatile data storage system and data storaging method
US7117328B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Jan 6, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1433
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This invention realizes separate control for each memory area. A memory unit is structured by including a semiconductor memory device capable of memorizing information, the aforementioned memory device is divided into plural memory areas logically and also management table, which is capable of controlling separately each aforementioned memory area for accessing from the outside, is tabled, control information, which prohibits accessing the prescribed memory area of the aforementioned plural memory areas, is provided in the aforementioned management information, and it is prohibited to access the specified memory area from the outside in accordance with control information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.