Circuit for protection against heating of a protection element of equipment
US6850400B2 · kind B2 · utility
2Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2001 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Oct 28, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H5/044
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A series device for protection against a heating of aparallel protection element of an equipment of a telephone line, including a bi-directional cut-off element, of normally on state and placed in series with the parallel protection element, a temperature detection element, and a switching element adapted to turning off the cut-off element when the temperature detected by the detection element exceeds a predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.