Method for performing group exclusion in hierarchical group structures
US5220604A · kind A · utility
196Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1990 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Sep 28, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99939
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for denying a first group access to a system resource wherein a second group is selected such that the first group is a subgroup of the second group. Access is granted only to those members of the second group who do not derive their membership in the second group through their membership in the first group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.