Method and apparatus for preventing the fraudulent use of a cellular telephone
US6223290A · kind A · utility
101Cited by
7References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1998 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | May 7, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for controlling use of an electronic system is described. Use of the electronic system is controlled by programming at least one unique code into an auxiliary memory of the electronic system. The auxiliary memory is a permanently lockable memory that is located outside of a main memory array space. The unique code is compared to at least one component code. Use of the electronic system is controlled based on a predefined relationship between the unique code and the component code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.