Method of restoring transmission line
US4847610A · kind A · utility
147Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1987 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Jul 24, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/437
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
When a trouble occurs on a transmission line, each station transmits a predetermined frame to the adjacent station. The station which does not receive the frame outputs to the adjacent downstream station a frame instructing that its primary output be looped back to its secondary input. The information transmission trouble is removed by arranging the responses to the frames by the respective stations and the transmission procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.