ES444317A1 - Un circuito de proteccion contra sobretensiones para mallas de conmutacion electronica. - Google Patents

Un circuito de proteccion contra sobretensiones para mallas de conmutacion electronica.

Info

Publication number
ES444317A1
ES444317A1 ES444317A ES444317A ES444317A1 ES 444317 A1 ES444317 A1 ES 444317A1 ES 444317 A ES444317 A ES 444317A ES 444317 A ES444317 A ES 444317A ES 444317 A1 ES444317 A1 ES 444317A1
Authority
ES
Spain
Prior art keywords
telephone exchanges
electronic switching
uev
uet
zener
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
Application number
ES444317A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES444317A1 publication Critical patent/ES444317A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Gyroscopes (AREA)
  • Control Of Eletrric Generators (AREA)
  • Interface Circuits In Exchanges (AREA)
ES444317A 1975-01-16 1976-01-15 Un circuito de proteccion contra sobretensiones para mallas de conmutacion electronica. Expired ES444317A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2501651A DE2501651C2 (de) 1975-01-16 1975-01-16 Schaltungsanordnung zum Überspannungsschutz von elektronischen Koppelfeldern

Publications (1)

Publication Number Publication Date
ES444317A1 true ES444317A1 (es) 1977-05-01

Family

ID=5936610

Family Applications (1)

Application Number Title Priority Date Filing Date
ES444317A Expired ES444317A1 (es) 1975-01-16 1976-01-15 Un circuito de proteccion contra sobretensiones para mallas de conmutacion electronica.

Country Status (12)

Country Link
AU (1) AU501744B2 (sv)
BE (1) BE837625R (sv)
CH (1) CH604456A5 (sv)
DE (1) DE2501651C2 (sv)
DK (1) DK15176A (sv)
ES (1) ES444317A1 (sv)
FR (1) FR2298215A1 (sv)
GB (1) GB1499961A (sv)
IT (1) IT1054944B (sv)
NL (1) NL7600332A (sv)
NO (1) NO143185C (sv)
SE (1) SE411089B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
DE3334952A1 (de) * 1983-09-27 1985-04-18 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum schutz einer an die vierdrahtseite einer uebertragergabel angeschlossenen elektronikschaltung
DE19548063C2 (de) * 1995-12-21 1998-03-12 Siemens Ag Schaltungsanordnung zum Schutz einer Teilnehmerschaltung eines Fernmeldevermittlungssystems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268951A (sv) * 1960-09-07
US3452157A (en) * 1966-02-01 1969-06-24 Itt Current controlled,self-seeking telephone switching system
US3558830A (en) * 1969-04-09 1971-01-26 Communication Technology Inc Overvoltage transmission line protector
DE2419288C2 (de) * 1974-04-22 1982-04-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Entdämpfung und Entzerrung von elektronischen Schaltern, insbesondere von elektronischen Koppelelementen einer Fernsprechvermittlungsstelle

Also Published As

Publication number Publication date
GB1499961A (en) 1978-02-01
BE837625R (nl) 1976-07-16
NO143185C (no) 1980-12-29
CH604456A5 (sv) 1978-09-15
SE7600255L (sv) 1976-07-19
DE2501651C2 (de) 1982-11-04
AU501744B2 (en) 1979-06-28
NL7600332A (nl) 1976-07-20
DK15176A (da) 1976-07-17
NO760072L (sv) 1976-07-19
AU1036776A (en) 1977-07-28
DE2501651A1 (de) 1976-07-22
FR2298215A1 (fr) 1976-08-13
NO143185B (no) 1980-09-15
FR2298215B1 (sv) 1982-09-24
SE411089B (sv) 1979-11-26
IT1054944B (it) 1981-11-30

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612