BE513778A - - Google Patents
Info
- Publication number
- BE513778A BE513778A BE513778DA BE513778A BE 513778 A BE513778 A BE 513778A BE 513778D A BE513778D A BE 513778DA BE 513778 A BE513778 A BE 513778A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1912452A GB710547A (en) | 1952-07-29 | 1952-07-29 | A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE513778A true BE513778A (de) |
Family
ID=10124153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE513778D BE513778A (de) | 1952-07-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE513778A (de) |
| CH (1) | CH319386A (de) |
| FR (1) | FR1062133A (de) |
| GB (1) | GB710547A (de) |
-
0
- BE BE513778D patent/BE513778A/xx unknown
-
1952
- 1952-07-28 CH CH319386D patent/CH319386A/de unknown
- 1952-07-29 GB GB1912452A patent/GB710547A/en not_active Expired
- 1952-08-21 FR FR1062133D patent/FR1062133A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH319386A (de) | 1957-02-15 |
| FR1062133A (fr) | 1954-04-20 |
| GB710547A (en) | 1954-06-16 |