Method and apparatus for preventing unauthorized access to peripheral devices
US5687379A · kind A · utility
15Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1996 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Jan 5, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/82
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to a system for providing programmable configuration protection of a programmable Input/Output device. By configuration protection, it is meant that the programming options of an I/O controller can be set in accordance to a given environment, and then by use of a programming controlled signal, prevent the changing of the programmed environment or remove those programmed options considered unsafe in the now secured environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.