Computer-telephone security device
US4733345A · kind A · utility
19Cited by
7References
12Claims
0Family size
Inventor
Key dates
| Filing date | Jul 29, 1985 |
| Grant date | Mar 22, 1988 |
| Priority date | — |
| Expiry date | Jul 29, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/313
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer access security system controls access to a host computer from a remote terminal. The security system has a control code deriving device for deriving a control code and a subordinate access code deriving device for deriving a subordinate access code. The security system permits the remote terminal to access the host computer when the control access code matches the subordinate access code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.