Loop fault location and isolation
US4006456A · kind A · utility
10Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1976 |
| Grant date | Feb 1, 1977 |
| Priority date | — |
| Expiry date | Jan 2, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/437
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A simplified loop communication fault location and isolation circuit which utilizes sequences of power interruption pulses in DC power distributed on the signal lines from a master repeater to control loop signal wrap functions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.