SE426002B - Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar - Google Patents
Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningarInfo
- Publication number
- SE426002B SE426002B SE8009142A SE8009142A SE426002B SE 426002 B SE426002 B SE 426002B SE 8009142 A SE8009142 A SE 8009142A SE 8009142 A SE8009142 A SE 8009142A SE 426002 B SE426002 B SE 426002B
- Authority
- SE
- Sweden
- Prior art keywords
- voltage
- circuit
- current path
- thyristor
- amount
- Prior art date
Links
Classifications
-
- 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
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Interface Circuits In Exchanges (AREA)
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8009142A SE426002B (sv) | 1980-12-23 | 1980-12-23 | Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar |
PCT/SE1981/000392 WO1982002287A1 (en) | 1980-12-23 | 1981-12-23 | Voltage controlled transient protection unit |
EP82900168A EP0067839B1 (en) | 1980-12-23 | 1981-12-23 | Voltage controlled transient protection unit |
BR8109022A BR8109022A (pt) | 1980-12-23 | 1981-12-23 | Unidade de protecao contra (fenomenos transientes controlada por tensao |
JP57500189A JPH0421418B2 (da) | 1980-12-23 | 1981-12-23 | |
HU81147A HU186466B (en) | 1980-12-23 | 1981-12-23 | Unit protecting against transients with voltage control |
DE8282900168T DE3168981D1 (en) | 1980-12-23 | 1981-12-23 | Voltage controlled transient protection unit |
AU79340/82A AU547598B2 (en) | 1980-12-23 | 1981-12-23 | Voltage controlled transient protection unit |
US06/414,330 US4456940A (en) | 1980-12-23 | 1981-12-23 | Voltage controlled transient protection unit |
FI822848A FI68488C (fi) | 1980-12-23 | 1982-08-16 | Spaenningsstyrt transientskydd |
NO822814A NO155366C (no) | 1980-12-23 | 1982-08-18 | Anordning for beskyttelse av en linjekrets i telekommunikasjonsutstyr mot overspenningen. |
DK374982A DK163549C (da) | 1980-12-23 | 1982-08-20 | Spaendingsstyret transientbeskyttelse |
SU3545102A SU1258339A3 (ru) | 1980-12-23 | 1983-01-19 | Устройство дл защиты от перенапр жений телекоммуникационного оборудовани |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8009142A SE426002B (sv) | 1980-12-23 | 1980-12-23 | Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8009142L SE8009142L (sv) | 1982-06-24 |
SE426002B true SE426002B (sv) | 1982-11-29 |
Family
ID=20342580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8009142A SE426002B (sv) | 1980-12-23 | 1980-12-23 | Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar |
Country Status (11)
Country | Link |
---|---|
US (1) | US4456940A (da) |
EP (1) | EP0067839B1 (da) |
JP (1) | JPH0421418B2 (da) |
AU (1) | AU547598B2 (da) |
BR (1) | BR8109022A (da) |
DK (1) | DK163549C (da) |
FI (1) | FI68488C (da) |
HU (1) | HU186466B (da) |
SE (1) | SE426002B (da) |
SU (1) | SU1258339A3 (da) |
WO (1) | WO1982002287A1 (da) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61150617A (ja) * | 1984-12-24 | 1986-07-09 | 日本電信電話株式会社 | サ−ジ防護回路 |
US4644437A (en) * | 1985-11-01 | 1987-02-17 | At&T Bell Laboratories | Telephone subscriber loop overvoltage protection integrated circuit |
US4715058A (en) * | 1986-04-23 | 1987-12-22 | Siemens Aktiengesellschaft | Protective circuit for the overvoltage protection of a subscriber line interconnect circuit |
WO1987006787A1 (en) * | 1986-04-30 | 1987-11-05 | Standard Telephones And Cables Pty. Limited | Telephone protection circuit |
AR240631A1 (es) * | 1986-06-06 | 1990-06-30 | Siemens Ag | Disposicion de circuito para proteger circuitos electronicos de interfase de circuitos de conexion de abonado de una red telefonica tiempo-multiplex digital |
US5285100A (en) * | 1988-07-22 | 1994-02-08 | Texas Instruments Incorporated | Semiconductor switching device |
GB2225908B (en) * | 1988-11-11 | 1993-01-13 | Texas Instruments Ltd | Improvements in or relating to overvoltage protection circuits |
GB9021222D0 (en) * | 1990-09-28 | 1990-11-14 | Raychem Ltd | Circuit protection device |
FR2677821B1 (fr) * | 1991-06-11 | 1993-10-08 | Sgs Thomson Microelectronics Sa | Composant de protection bidirectionnel. |
US5337208A (en) * | 1991-12-18 | 1994-08-09 | Nec America, Inc. | In-line AC current limiter |
JPH05184062A (ja) * | 1991-12-27 | 1993-07-23 | Mitsubishi Materials Corp | 通信回線用サージ吸収器及びこれを用いたサージ吸収回路 |
DE4326596C2 (de) * | 1993-08-07 | 1997-07-17 | Sel Alcatel Ag | Schutzschaltungsanordnung für elektronische Teilnehmerschaltungen |
FR2719721B1 (fr) * | 1994-05-09 | 1996-09-20 | Sgs Thomson Microelectronics | Protection d'interface de lignes téléphoniques. |
SE519189C2 (sv) * | 1994-06-28 | 2003-01-28 | Ericsson Telefon Ab L M | Anordning för att skydda en abonnentlinjekrets från överspänningar |
US5745323A (en) * | 1995-06-30 | 1998-04-28 | Analog Devices, Inc. | Electrostatic discharge protection circuit for protecting CMOS transistors on integrated circuit processes |
US5751525A (en) * | 1996-01-05 | 1998-05-12 | Analog Devices, Inc. | EOS/ESD Protection circuit for an integrated circuit with operating/test voltages exceeding power supply rail voltages |
US5917689A (en) * | 1996-09-12 | 1999-06-29 | Analog Devices, Inc. | General purpose EOS/ESD protection circuit for bipolar-CMOS and CMOS integrated circuits |
US5838146A (en) * | 1996-11-12 | 1998-11-17 | Analog Devices, Inc. | Method and apparatus for providing ESD/EOS protection for IC power supply pins |
US6061445A (en) * | 1997-09-15 | 2000-05-09 | Conexant Systems, Inc. | Surge protection data access arrangement (DAA) |
US6088446A (en) * | 1998-05-06 | 2000-07-11 | Actiontec Electronics, Inc. | Protection circuit for use with a telephone appliance and methods of use |
GB0030991D0 (en) * | 2000-12-20 | 2001-01-31 | Power Innovations Ltd | Modem protection circuit |
US6862162B2 (en) | 2003-04-23 | 2005-03-01 | Teccor Electronics, Lp | Thyristor circuit providing overcurrent protection to a low impedance load |
US7508643B2 (en) * | 2006-10-27 | 2009-03-24 | Manitowoc Crane Companies, Inc. | System for overvoltage suppression for construction equipment |
CA2865447C (en) * | 2012-03-01 | 2019-03-12 | Alstom Technology Ltd | Control circuit |
FR3039014B1 (fr) * | 2015-07-13 | 2019-06-14 | Stmicroelectronics (Tours) Sas | Protection de ligne telephonique contre les surtensions |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126452A (en) * | 1960-03-18 | 1964-03-24 | Arrangement in telephone instruments | |
US3246206A (en) * | 1965-02-25 | 1966-04-12 | Gen Electric | Voltage surge protector |
US3558830A (en) * | 1969-04-09 | 1971-01-26 | Communication Technology Inc | Overvoltage transmission line protector |
US3904931A (en) * | 1973-08-03 | 1975-09-09 | Rca Corp | Overvoltage protection circuit |
DE2536077A1 (de) * | 1975-08-13 | 1977-03-03 | Baum Elektrophysik Gmbh | Schutzschaltung fuer fernmeldeanlagen gegen atmosphaerische stoerungen |
DE2541942C3 (de) * | 1975-09-19 | 1978-08-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Schutz von Teilnehmerstationen mit Wähleinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen gegen Überspannungen |
DE2654419C2 (de) * | 1976-12-01 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Spannungsbegrenzung |
US4090227A (en) * | 1977-03-29 | 1978-05-16 | Bell Telephone Laboratories, Incorporated | Transient-protected signal distribution circuit |
SU680105A1 (ru) * | 1977-06-02 | 1979-08-15 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Институт Инженеров Железнодорожного Транспорта | Устройство дл защиты от перенапр жений сети посто нного тока |
SE414357B (sv) * | 1978-08-17 | 1980-07-21 | Asea Ab | Overspenningsskydd for skydd av halvledarkomponenter av lageffekttyp |
SU754563A1 (ru) * | 1978-09-04 | 1980-08-07 | Rizhskij G Elektrotech | Устройство для защиты линии связи от1 |
JPS55117398A (en) * | 1979-03-02 | 1980-09-09 | Nec Corp | Surge protecting system for subscriber circuit |
JPS55166430A (en) * | 1979-06-08 | 1980-12-25 | Matsushita Electric Ind Co Ltd | Surge absorber circuit |
-
1980
- 1980-12-23 SE SE8009142A patent/SE426002B/sv not_active IP Right Cessation
-
1981
- 1981-12-23 WO PCT/SE1981/000392 patent/WO1982002287A1/en active IP Right Grant
- 1981-12-23 US US06/414,330 patent/US4456940A/en not_active Expired - Lifetime
- 1981-12-23 JP JP57500189A patent/JPH0421418B2/ja not_active Expired - Lifetime
- 1981-12-23 AU AU79340/82A patent/AU547598B2/en not_active Ceased
- 1981-12-23 HU HU81147A patent/HU186466B/hu not_active IP Right Cessation
- 1981-12-23 BR BR8109022A patent/BR8109022A/pt not_active IP Right Cessation
- 1981-12-23 EP EP82900168A patent/EP0067839B1/en not_active Expired
-
1982
- 1982-08-16 FI FI822848A patent/FI68488C/sv not_active IP Right Cessation
- 1982-08-20 DK DK374982A patent/DK163549C/da not_active IP Right Cessation
-
1983
- 1983-01-19 SU SU3545102A patent/SU1258339A3/ru active
Also Published As
Publication number | Publication date |
---|---|
FI68488C (fi) | 1985-09-10 |
EP0067839B1 (en) | 1985-02-13 |
BR8109022A (pt) | 1983-04-12 |
WO1982002287A1 (en) | 1982-07-08 |
DK163549B (da) | 1992-03-09 |
EP0067839A1 (en) | 1982-12-29 |
DK374982A (da) | 1982-08-20 |
FI822848A0 (fi) | 1982-08-16 |
SE8009142L (sv) | 1982-06-24 |
FI68488B (fi) | 1985-05-31 |
HU186466B (en) | 1985-08-28 |
SU1258339A3 (ru) | 1986-09-15 |
US4456940A (en) | 1984-06-26 |
JPS57502148A (da) | 1982-12-02 |
FI822848L (fi) | 1982-08-16 |
AU7934082A (en) | 1982-07-20 |
JPH0421418B2 (da) | 1992-04-10 |
DK163549C (da) | 1992-08-31 |
AU547598B2 (en) | 1985-10-24 |
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