Portable electronic device for safe communication system, and method for initializing its parameters
US6308268A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 18, 2000 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Feb 18, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/4097
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
This device includes data storage unit, interface unit with an external tool for loading data into the storage unit, data processing unit including initialization unit for enabling modification of a specific secret personalizing access code and loading of personalizing data into the storage unit, first loading unit controlled by the specific access code for loading into the storage unit reprogrammable particular secret personalizing access codes assigned to personalizing in the device a plurality of functions, second loading unit controlled by the particular access codes for loading into the storage unit particular personalizing data assigned to the implementation of the functions, and inhibitor unit for authorizing, for each of the functions, only in response to the application of one particular access code already assigned to the function, (i) modification of the particular access code and (ii) the loading of the particular personalizing data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.