ZA832886B - Surge voltage protection circuits - Google Patents

Surge voltage protection circuits

Info

Publication number
ZA832886B
ZA832886B ZA832886A ZA832886A ZA832886B ZA 832886 B ZA832886 B ZA 832886B ZA 832886 A ZA832886 A ZA 832886A ZA 832886 A ZA832886 A ZA 832886A ZA 832886 B ZA832886 B ZA 832886B
Authority
ZA
South Africa
Prior art keywords
diagonal
circuit
surge voltage
supply voltage
interface circuits
Prior art date
Application number
ZA832886A
Other languages
English (en)
Inventor
Hans-Werner Rudolf
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA832886B publication Critical patent/ZA832886B/xx

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
    • H02H9/049—Circuit arrangements for limiting the number of protection devices
    • 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
    • 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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
ZA832886A 1982-04-26 1983-04-25 Surge voltage protection circuits ZA832886B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823215551 DE3215551A1 (de) 1982-04-26 1982-04-26 Schaltungsanordnung fuer den ueberspannungsschutz von schnittstellenschaltungen

Publications (1)

Publication Number Publication Date
ZA832886B true ZA832886B (en) 1984-01-25

Family

ID=6161994

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA832886A ZA832886B (en) 1982-04-26 1983-04-25 Surge voltage protection circuits

Country Status (7)

Country Link
EP (1) EP0092820B1 (cs)
JP (2) JPS58195428A (cs)
AT (1) ATE21593T1 (cs)
BR (1) BR8302094A (cs)
DE (1) DE3215551A1 (cs)
FI (1) FI79427C (cs)
ZA (1) ZA832886B (cs)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340927A1 (de) * 1983-11-11 1985-05-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur ableitung von ueberspannungen
DE3422995C1 (de) * 1984-06-22 1985-11-21 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Überspannungsschutz-Schaltungsanordnung für Fernmelde-, insbesondere Fernsprechleitungen
DE3814661A1 (de) * 1988-04-29 1989-11-09 Nixdorf Computer Ag Einrichtung zum schalten der rufwechselspannung an teilnehmeranschlussleitungen
GB8827627D0 (en) * 1988-11-25 1989-05-17 Smiths Industries Plc Electrical protection assemblies
DE4229891A1 (de) * 1992-09-05 1994-03-10 Volker Schoenfus Passiver integrierter Schaltkreis
DE4310233C2 (de) * 1993-03-30 2000-08-10 Thyssen Aufzugswerke Gmbh Schutzschaltung für induktive Verbraucher
DE4326596C2 (de) * 1993-08-07 1997-07-17 Sel Alcatel Ag Schutzschaltungsanordnung für elektronische Teilnehmerschaltungen
DE10200830B4 (de) * 2002-01-11 2006-01-12 Robert Bosch Gmbh Steuergerät mit Mitteln zur Erhöhung der Störfestigkeit
DE102006026803A1 (de) * 2006-06-07 2007-12-13 Deutsche Thomson-Brandt Gmbh Schutzschaltung für eine Eingangsstufe
US8442213B2 (en) * 2009-08-31 2013-05-14 Microsemi Semiconductor (U.S.) Inc. Method and apparatus for shared positive protection
US8406417B2 (en) 2009-08-31 2013-03-26 Microsemi Semiconductor (U.S.) Inc. Overvoltage protection with power sink

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598552A (en) * 1945-01-30 1948-02-20 Bertram Morton Hadfield Improvements in or relating to electrical signalling systems
JPS5217216B2 (cs) * 1972-02-20 1977-05-13
DE2659044C3 (de) * 1976-12-27 1981-07-16 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Schutz eines gegengekoppelten zweistufigen Verstärkers gegen Überlastung und Kurzschluß
US4271446A (en) * 1977-06-27 1981-06-02 Comstock Wilford K Transient voltage suppression system
EP0034288A1 (de) * 1980-02-15 1981-08-26 Felten & Guilleaume Fernmeldeanlagen GmbH Schaltungsanordnung zum Abfangen überhöhter Spannungen
JPS56148131A (en) * 1980-04-21 1981-11-17 Nippon Telegraph & Telephone Lateral surge absorbing circuit
NL8100242A (nl) * 1981-01-20 1982-08-16 Philips Nv Overspanningsbeveiliging van een lijncircuit.

Also Published As

Publication number Publication date
FI79427B (fi) 1989-08-31
JP2535573Y2 (ja) 1997-05-14
BR8302094A (pt) 1983-12-27
DE3215551A1 (de) 1983-10-27
DE3215551C2 (cs) 1992-01-23
FI79427C (fi) 1989-12-11
EP0092820B1 (de) 1986-08-20
ATE21593T1 (de) 1986-09-15
JPS58195428A (ja) 1983-11-14
EP0092820A1 (de) 1983-11-02
FI831401L (fi) 1983-10-27
JPH0454439U (cs) 1992-05-11
FI831401A0 (fi) 1983-04-25

Similar Documents

Publication Publication Date Title
US4849846A (en) Telephone protection circuit
US4661979A (en) Fault protection for integrated subscriber line interface circuits
EP0349477B1 (en) Solid state overvoltage protection circuit
CA1175587A (en) Overvoltage protection for a line circuit
JPH0454439U (cs)
US4377832A (en) Voltage transient suppressor circuit
EP0352896A3 (en) Esd protection circuitry for bipolar processes
SE426002B (sv) Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar
DK166977B1 (da) Kredsloeb til beskyttelse af abonnenttilslutningskoblingers elektroniske interfacekobling
JPH0586129B2 (cs)
KR960019703A (ko) 반도체 집적회로 장치
EP0139103A2 (en) Overvoltage protection circuit for slic
CA1307315C (en) Telephone protection circuit
SE8703890L (sv) Anordning vid inkoppling och urkoppling av en ringsignal till en uppringd abonnet
EP0715791B1 (en) An apparatus for protecting a subscriber line interface circuit against overvoltages
CA1223992A (en) Transient resistant key operated pulse generating calling device circuit
US3956590A (en) Switching arrangement for switching between different current values by means of mechanical or electronic switches
CA1230390A (en) Fault protection for integrated subscriber line interface circuits
ES8601585A1 (es) Un circuito de proteccion con circuito de linea de telecomunicacion
JPH02148955A (ja) 極性検出回路
JPS59156123A (ja) サ−ジ電圧保護回路
GB1348476A (en) Telephone subscriberstation circuit arrangements
JPH0799903B2 (ja) 電圧サージ保護回路
JPH0145815B2 (cs)