Arrangement for a token ring communications network
US5394401A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1993 |
| Grant date | Feb 28, 1995 |
| Priority date | — |
| Expiry date | Apr 14, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/433
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An arrangement for a token ring communications network includes nodes for transmitting and receiving data signals. Also provided is a communications medium for transporting the data signals includes a trunk circuit having a plurality of trunk segments, each trunk segment having an input end and an output end and a plurality of lobe circuits for connecting the nodes to the trunk circuit. A plurality of wiring concentrator are provided for connecting adjacent trunk segments as a ring. Each wiring concentrator having a plurality of ports including an input port connected to an input end of one of the trunk segments, an output port connected to an output end of one of the trunk segments, and a lobe port connected to one of the lobe circuits. Each wiring concentrator includes an internal trunk, a controller, and a plurality of switches for interconnecting the ports while the voltage and the frequency of the data signal are within predetermined voltage and frequency ranges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.