BE525315A - - Google Patents
Info
- Publication number
- BE525315A BE525315A BE525315DA BE525315A BE 525315 A BE525315 A BE 525315A BE 525315D A BE525315D A BE 525315DA BE 525315 A BE525315 A BE 525315A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI8365A DE957312C (de) | 1954-03-06 | 1954-03-06 | Empfangsanordnung fuer ueber Hochspannungsleitungen gegebene Signale zur Verbesserung des Geraeuschabstandes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE525315A true BE525315A (de) | 1900-01-01 |
Family
ID=7185096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE525315D BE525315A (de) | 1954-03-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2860324A (de) |
| BE (1) | BE525315A (de) |
| CH (1) | CH323787A (de) |
| DE (1) | DE957312C (de) |
| FR (1) | FR1117118A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1188702B (de) * | 1960-04-02 | 1965-03-11 | Zellweger A G App Und Maschine | Anordnung zum Pruefen des Einhaltens der Differenz von Netzharmonischer und Steuerfrequenz in mittels dieser Differenz gesteuerten Rundsteueranlagen |
| US3283316A (en) * | 1962-10-31 | 1966-11-01 | Hubbell Inc Harvey | Power line signal system having a relay controlled indicator at the receiver |
| US3509537A (en) * | 1966-10-31 | 1970-04-28 | Univ Iowa State Res Found Inc | Digital communication apparatus for a power distribution line |
| US3732562A (en) * | 1970-08-19 | 1973-05-08 | R Faber | Surveillance system |
| US3702460A (en) * | 1971-11-30 | 1972-11-07 | John B Blose | Communications system for electric power utility |
| US3925728A (en) * | 1974-02-21 | 1975-12-09 | Westinghouse Electric Corp | Induction watthour meter for power systems transmitting carrier communication signals |
| US4105897A (en) * | 1976-04-13 | 1978-08-08 | New England Power Service Company | Cycloconverter apparatus and method for working into an active load |
| FR2345852A1 (fr) * | 1976-03-26 | 1977-10-21 | Alsthom Cgee | Dispositif de filtrage pour lignes a haute tension utilisees comme support de teletransmissions |
| US4527247A (en) * | 1981-07-31 | 1985-07-02 | Ibg International, Inc. | Environmental control system |
| US4742475A (en) * | 1984-06-19 | 1988-05-03 | Ibg International, Inc. | Environmental control system |
| JPS5866541A (ja) * | 1981-10-15 | 1983-04-20 | 松下電工株式会社 | ３相電力線搬送制御装置 |
| US4755792A (en) * | 1985-06-13 | 1988-07-05 | Black & Decker Inc. | Security control system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1928610A (en) * | 1922-12-15 | 1933-10-03 | American Telephone & Telegraph | High frequency signaling system |
| US2192061A (en) * | 1935-12-19 | 1940-02-27 | Gen Electric | Carrier current system |
| US2357995A (en) * | 1940-04-19 | 1944-09-12 | Ericsson Telefon Ab L M | Remote control system |
| US2428011A (en) * | 1942-04-21 | 1947-09-30 | Standard Telephones Cables Ltd | Receiver for time or duration modulated electrical pulses |
| US2366537A (en) * | 1942-04-23 | 1945-01-02 | Gen Electric | Electric control circuit |
| US2398490A (en) * | 1944-03-01 | 1946-04-16 | Rca Corp | Circuit for removing noise |
| US2594371A (en) * | 1946-06-14 | 1952-04-29 | Robert I Ward | Differential protective relaying system |
-
0
- BE BE525315D patent/BE525315A/xx unknown
-
1952
- 1952-12-24 FR FR1117118D patent/FR1117118A/fr not_active Expired
-
1953
- 1953-11-25 US US394446A patent/US2860324A/en not_active Expired - Lifetime
- 1953-12-24 CH CH323787D patent/CH323787A/fr unknown
-
1954
- 1954-03-06 DE DEI8365A patent/DE957312C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE957312C (de) | 1957-01-31 |
| FR1117118A (fr) | 1956-05-17 |
| US2860324A (en) | 1958-11-11 |
| CH323787A (fr) | 1957-08-15 |