Protective device for communication system
US4313147A · kind A · utility
21Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1979 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Oct 24, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S439/922
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication system protective device usable for various types of electrical communication lines, said device comprising a compact and simple arrangement of jack boards and protectors whereby an overvoltage or overcurrent induced in an outside line is prevented from being applied to the electrical communication apparatuses arranged on interior wiring to keep them safe from failure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.