Data carrier for the storage of data and circuit arrangement for such a data carrier
US7159243B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2000 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Nov 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/3576
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A data carrier (1) intended for the storage of data in memory means (17) has a first memory access means (18) for accessing a first storage location (22) and has a second memory access means (33) for accessing a second storage location (23), the first storage location (22) being only accessible by the first memory access means (18) with the aid of access enabling means (21, 19, 37, 39), and further has an additional memory access means (38), so as to enable an access authorization for the access to the first storage location (22) and so as to enable access to the first storage location (22) during an access by the second memory access means (33).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.