Power feed system in transmission line between terminals of three-terminal station
US4798969A · kind A · utility
10Cited by
8References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 2, 1988 |
| Grant date | Jan 17, 1989 |
| Priority date | — |
| Expiry date | Feb 2, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/44
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmission line between terminals of a three-terminal station is branched by a branching unit and power is transmitted between the terminals of the three-terminal station and a power feed system in the transmission line including: a switch for switching a power feed line feeding power to a repeater between a both-end power feed mode and a single-end power feed mode; and connection holding means for holding a power feed connection state without change upon an occurrence of a failure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.