FR2377132A1 - Dispositif de protection pour joncteur electronique - Google Patents
Dispositif de protection pour joncteur electroniqueInfo
- Publication number
- FR2377132A1 FR2377132A1 FR7700542A FR7700542A FR2377132A1 FR 2377132 A1 FR2377132 A1 FR 2377132A1 FR 7700542 A FR7700542 A FR 7700542A FR 7700542 A FR7700542 A FR 7700542A FR 2377132 A1 FR2377132 A1 FR 2377132A1
- Authority
- FR
- France
- Prior art keywords
- protection device
- electronic
- junctor
- trunk
- electronic junctor
- 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.)
- Granted
Links
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
La présente invention concerne un dispositif de protection pour joncteur électronique. Il comporte des moyens pour couper de façon automatique l'alimentation du joncteur en cas de surtension continue ou alternative entre les deux fils de la ligne téléphonique, ou entre un fil et la terre Application aux centraux téléphoniques électroniques.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700542A FR2377132A1 (fr) | 1977-01-11 | 1977-01-11 | Dispositif de protection pour joncteur electronique |
GB52920/77A GB1570800A (en) | 1977-01-11 | 1977-12-20 | Protective device for an electronic junctor |
DE19782800642 DE2800642A1 (de) | 1977-01-11 | 1978-01-07 | Schaltungsanordnung zum schutz von elektronischen speise- bzw. verbindungssaetzen in fernsprechvermittlungsanlagen |
ES465859A ES465859A1 (es) | 1977-01-11 | 1978-01-10 | Un dispositivo de proteccion para un juntor electronico. |
US05/868,564 US4158214A (en) | 1977-01-11 | 1978-01-10 | Protective device for an electronic junctor |
BE2056591A BE862807A (fr) | 1977-01-11 | 1978-01-11 | Dispositif de protection pour joncteur electronique |
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 (2)
Publication Number | Publication Date |
---|---|
FR2377132A1 true FR2377132A1 (fr) | 1978-08-04 |
FR2377132B1 FR2377132B1 (fr) | 1983-08-26 |
Family
ID=9185307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700542A Granted FR2377132A1 (fr) | 1977-01-11 | 1977-01-11 | Dispositif de protection pour joncteur electronique |
Country Status (6)
Country | Link |
---|---|
US (1) | US4158214A (fr) |
BE (1) | BE862807A (fr) |
DE (1) | DE2800642A1 (fr) |
ES (1) | ES465859A1 (fr) |
FR (1) | FR2377132A1 (fr) |
GB (1) | GB1570800A (fr) |
Cited By (1)
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 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1537361A (fr) * | 1966-09-19 | 1968-08-23 | Westinghouse Electric Corp | Circuits miniature de protection contre surtensions |
Family Cites Families (5)
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 |
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 US US05/868,564 patent/US4158214A/en not_active Expired - Lifetime
- 1978-01-10 ES ES465859A patent/ES465859A1/es not_active Expired
- 1978-01-11 BE BE2056591A patent/BE862807A/fr unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1537361A (fr) * | 1966-09-19 | 1968-08-23 | Westinghouse Electric Corp | Circuits miniature de protection contre surtensions |
Non-Patent Citations (1)
Title |
---|
EXBK/74 * |
Cited By (1)
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 |
Also Published As
Publication number | Publication date |
---|---|
GB1570800A (en) | 1980-07-09 |
FR2377132B1 (fr) | 1983-08-26 |
DE2800642A1 (de) | 1978-07-20 |
US4158214A (en) | 1979-06-12 |
BE862807A (fr) | 1978-07-11 |
ES465859A1 (es) | 1978-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |