Damage prevention system for cables, pipelines and the like
US6924428B1 · kind B1 · utility
5Cited by
8References
8Claims
0Family size
Inventors
Key dates
| Filing date | Mar 7, 2003 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Mar 7, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transmission line protection system comprising at least one signal carrying line buried adjacent the transmission line to be protected, means transmitting a signal through said signal carrying line, and means responsive to damage or severance of said signal carrying line to indicate that said signal carrying line has been damaged or severed and the location of the damage or severance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.