Link control system communicating between terminals
US5058057A · kind A · utility
3Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Feb 27, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/403
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A communication system uses a two-wire circuit and includes a master terminal and a backup terminal, and a main file and a backup file along with associated link control devices coupled to a plurality of satellite terminals. Each link control device functions both as a monitor and as a communication controller with priority between the link control devices for each of the files and terminals to maintain operation of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.