Packet exchange data transmission system
US4638477A · kind A · utility
21Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1984 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Dec 26, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
At least two packet exchangers are interconnected through an external transmission line to transmit a data packet. Each packet exchanger comprises a main controller for processing the data packet sent from a packet terminal, in a data link level and a packet level, and a connecting unit for sending the data packet sent from the main controller to the external transmission line and sending the data packet sent from the external transmission line to the main controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.