ES365954A1 - Circuito de proteccion de los cables de telecomunicacion, contra los campos procedentes de instalaciones de alta ten- sion situadas en la proximidad de los mismos. - Google Patents
Circuito de proteccion de los cables de telecomunicacion, contra los campos procedentes de instalaciones de alta ten- sion situadas en la proximidad de los mismos.Info
- Publication number
- ES365954A1 ES365954A1 ES365954A ES365954A ES365954A1 ES 365954 A1 ES365954 A1 ES 365954A1 ES 365954 A ES365954 A ES 365954A ES 365954 A ES365954 A ES 365954A ES 365954 A1 ES365954 A1 ES 365954A1
- Authority
- ES
- Spain
- Prior art keywords
- sheath
- voltage
- conductor
- cable
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/28—Reducing interference caused by currents induced in cable sheathing or armouring
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Emergency Protection Circuit Devices (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681765629 DE1765629C3 (de) | 1968-06-21 | 1968-06-21 | Schutzschaltung für Fernmeldekabel gegen Felder benachbarter Starkstromanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES365954A1 true ES365954A1 (es) | 1971-03-16 |
Family
ID=5698529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES365954A Expired ES365954A1 (es) | 1968-06-21 | 1969-04-12 | Circuito de proteccion de los cables de telecomunicacion, contra los campos procedentes de instalaciones de alta ten- sion situadas en la proximidad de los mismos. |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT306112B (es) |
BE (1) | BE730769A (es) |
CH (1) | CH499181A (es) |
DE (1) | DE1765629C3 (es) |
ES (1) | ES365954A1 (es) |
FR (1) | FR2011360A1 (es) |
GB (1) | GB1237029A (es) |
NL (1) | NL6908679A (es) |
SE (1) | SE342344B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926092C2 (de) * | 1979-06-28 | 1985-09-05 | kabelmetal electro GmbH, 3000 Hannover | Verstärkerschaltung für eine Vorrichtung zum aktiven Schutz von Fernmeldeleitungen gegen störende Starkstromfelder |
DE3151143C2 (de) * | 1981-12-23 | 1983-10-27 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Unterdrückung von Signalen auf Leitungsabschnitten |
DE3340477C2 (de) * | 1982-12-11 | 1987-01-29 | Schaltbau GmbH, 8000 München | Schaltungsanordnung zum aktiven Reduktionsschutz |
DE3520306A1 (de) * | 1985-06-07 | 1986-12-11 | kabelmetal electro GmbH, 3000 Hannover | Verfahren zum schutz von fernmelde- und signalkabeln |
-
1968
- 1968-06-21 DE DE19681765629 patent/DE1765629C3/de not_active Expired
-
1969
- 1969-03-12 AT AT245069A patent/AT306112B/de not_active IP Right Cessation
- 1969-03-31 BE BE730769D patent/BE730769A/xx unknown
- 1969-04-12 ES ES365954A patent/ES365954A1/es not_active Expired
- 1969-04-23 FR FR6912819A patent/FR2011360A1/fr not_active Withdrawn
- 1969-04-28 GB GB2156869A patent/GB1237029A/en not_active Expired
- 1969-05-30 SE SE764669A patent/SE342344B/xx unknown
- 1969-06-06 NL NL6908679A patent/NL6908679A/xx unknown
- 1969-06-17 CH CH920769A patent/CH499181A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE730769A (es) | 1969-09-01 |
AT306112B (de) | 1973-03-26 |
SE342344B (es) | 1972-01-31 |
DE1765629B2 (de) | 1974-11-07 |
CH499181A (de) | 1970-11-15 |
NL6908679A (es) | 1969-12-23 |
FR2011360A1 (es) | 1970-02-27 |
GB1237029A (en) | 1971-06-30 |
DE1765629C3 (de) | 1975-07-03 |
DE1765629A1 (de) | 1971-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1429859A (en) | System for transmitting a high-frequency singal of a telecom munication system over electric power-line conductors | |
GB1099866A (en) | Inductive coupling apparatus | |
ES365954A1 (es) | Circuito de proteccion de los cables de telecomunicacion, contra los campos procedentes de instalaciones de alta ten- sion situadas en la proximidad de los mismos. | |
GB818775A (en) | Improvements in or relating to coupling electrical elements | |
US3518577A (en) | Radiation protected cables | |
GB1021274A (en) | Arrangements for attenuating high-frequency electric currents in heavy electric current transmission lines | |
US2043346A (en) | Submarine cable loading coil | |
ES373810A2 (es) | Perfeccionamientos en las conexiones protectoras diferen- ciales para convertidores de tension capacitativos. | |
ES373249A1 (es) | Circuito e instalacion subterranea correspondiente para disminucion de las perturbaciones y parasitos producidos en las lineas subterraneas de telecomunicacion. | |
GB800412A (en) | Improvements in or relating to pulse current limiters | |
ES388864A1 (es) | Perfeccionamientos introducidos en los comprobadores de li-neas de cables, en especial de lineas de cables de telecomu-nicacion conectadas. | |
US2037846A (en) | Reduction of disturbing voltages in electric circuits | |
GB1513038A (en) | Electrical transformers of the kind employing a magnetic core | |
GB1177174A (en) | An Improved Arrangement for the Protection from Electrical Interference of Telecommunication Cables from the Proximity Effect of High Power Installations | |
GB1211366A (en) | Improvements in and relating to earth leakage current detectors | |
GB778573A (en) | Improved lead-in arrangements for electrical conductors | |
GB1036266A (en) | Transmission system for signals containing low frequencies | |
KR860002212B1 (ko) | 전화기 시스템의 유용한 신호에 대한 잡음의 영향을 감소시키는 회로 | |
GB1256011A (en) | Apparatus incorporating an electrical isolating transformer | |
JPS5599710A (en) | Shielding device of transformer | |
GB633847A (en) | Improvements in cases for housing cable joints or loading coils | |
SU930173A1 (ru) | Индукционный магнитоприемник | |
JPS5329540A (en) | Power line carrier communication device | |
ES470265A1 (es) | Dispositivo limitador de sobretension para instalaciones te-lefonicas de tipo electronico | |
GB985968A (en) | Improvements in or relating to telecommunication systems |