ES465859A1 - Un dispositivo de proteccion para un juntor electronico. - Google Patents
Un dispositivo de proteccion para un juntor electronico.Info
- Publication number
- ES465859A1 ES465859A1 ES465859A ES465859A ES465859A1 ES 465859 A1 ES465859 A1 ES 465859A1 ES 465859 A ES465859 A ES 465859A ES 465859 A ES465859 A ES 465859A ES 465859 A1 ES465859 A1 ES 465859A1
- Authority
- ES
- Spain
- Prior art keywords
- over
- circuit
- junctor
- voltage
- diode bridge
- 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
- 230000001681 protective effect Effects 0.000 title 1
- 230000001052 transient effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Interface Circuits In Exchanges (AREA)
Abstract
Un dispositivo de protección para un juntor electrónicocaracterizado porque incluye elementos para desconectar automáticamente la alimentación del juntor en el caso de una sobretensión ac o dc entre los dos hilos de la línea telefónicao entre un hilo y tierra.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700542A FR2377132A1 (fr) | 1977-01-11 | 1977-01-11 | Dispositif de protection pour joncteur electronique |
Publications (1)
Publication Number | Publication Date |
---|---|
ES465859A1 true ES465859A1 (es) | 1978-10-01 |
Family
ID=9185307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES465859A Expired ES465859A1 (es) | 1977-01-11 | 1978-01-10 | Un dispositivo de proteccion para un juntor electronico. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4158214A (es) |
BE (1) | BE862807A (es) |
DE (1) | DE2800642A1 (es) |
ES (1) | ES465859A1 (es) |
FR (1) | FR2377132A1 (es) |
GB (1) | GB1570800A (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2419625A1 (fr) * | 1978-03-07 | 1979-10-05 | Labo Cent Telecommunicat | Dispositif de protection contre les surtensions de ligne telephonique |
GB2066023B (en) * | 1979-12-13 | 1983-11-09 | Standard Telephones Cables Ltd | Telephone line interface |
GB2166015B (en) * | 1984-10-05 | 1988-10-05 | Ross Marks Limited | Headphones |
DE3541974A1 (de) * | 1985-11-28 | 1987-06-04 | Danfoss As | Schutzschaltung fuer die induktionsspule eines magnetisch-induktiven durchflussmessers |
FR2729008B1 (fr) * | 1994-12-30 | 1997-03-21 | Sgs Thomson Microelectronics | Circuit integre de puissance |
US6411155B2 (en) | 1994-12-30 | 2002-06-25 | Sgs-Thomson Microelectronics S.A. | Power integrated circuit |
DE19733250A1 (de) * | 1997-08-01 | 1999-02-04 | Deutsche Telephonwerk Kabel | Schaltungsanordnung für eine Netzabschlußeinheit |
DE29805313U1 (de) | 1998-03-17 | 1998-06-10 | Elmeg Gmbh Kommunikationstechnik, 31228 Peine | Telekommunikationsanlage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3311907A (en) * | 1964-06-08 | 1967-03-28 | Hugh E Teal | Solid state over-voltage and under-voltage detector |
DE1513448A1 (de) * | 1965-04-03 | 1969-10-16 | Siemens Ag | Schnell ansprechende UEberspannungsschutzeinrichtung |
US3243658A (en) * | 1965-07-21 | 1966-03-29 | Hobart Brothers Co | Electronic voltage detection and protection device |
DE1513198A1 (de) * | 1965-11-15 | 1969-10-23 | Hoesch Ag | Grenzwertschalter |
FR1537361A (fr) * | 1966-09-19 | 1968-08-23 | Westinghouse Electric Corp | Circuits miniature de protection contre surtensions |
US3537757A (en) * | 1968-04-29 | 1970-11-03 | Us Navy | Dual polarity voltage discriminator |
-
1977
- 1977-01-11 FR FR7700542A patent/FR2377132A1/fr active Granted
- 1977-12-20 GB GB52920/77A patent/GB1570800A/en not_active Expired
-
1978
- 1978-01-07 DE DE19782800642 patent/DE2800642A1/de not_active Withdrawn
- 1978-01-10 ES ES465859A patent/ES465859A1/es not_active Expired
- 1978-01-10 US US05/868,564 patent/US4158214A/en not_active Expired - Lifetime
- 1978-01-11 BE BE2056591A patent/BE862807A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2377132B1 (es) | 1983-08-26 |
FR2377132A1 (fr) | 1978-08-04 |
DE2800642A1 (de) | 1978-07-20 |
BE862807A (fr) | 1978-07-11 |
US4158214A (en) | 1979-06-12 |
GB1570800A (en) | 1980-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991119 |