FR2298215A1 - OVERVOLTAGE PROTECTION CIRCUIT FOR ELECTRONIC SWITCHING NETWORKS - Google Patents

OVERVOLTAGE PROTECTION CIRCUIT FOR ELECTRONIC SWITCHING NETWORKS

Info

Publication number
FR2298215A1
FR2298215A1 FR7601109A FR7601109A FR2298215A1 FR 2298215 A1 FR2298215 A1 FR 2298215A1 FR 7601109 A FR7601109 A FR 7601109A FR 7601109 A FR7601109 A FR 7601109A FR 2298215 A1 FR2298215 A1 FR 2298215A1
Authority
FR
France
Prior art keywords
protection circuit
overvoltage protection
electronic switching
switching networks
networks
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
Application number
FR7601109A
Other languages
French (fr)
Other versions
FR2298215B1 (en
Inventor
Lorenz Gasser
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2298215A1 publication Critical patent/FR2298215A1/en
Application granted granted Critical
Publication of FR2298215B1 publication Critical patent/FR2298215B1/fr
Granted 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
FR7601109A 1975-01-16 1976-01-16 OVERVOLTAGE PROTECTION CIRCUIT FOR ELECTRONIC SWITCHING NETWORKS Granted FR2298215A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2501651A DE2501651C2 (en) 1975-01-16 1975-01-16 Circuit arrangement for overvoltage protection of electronic switching matrices

Publications (2)

Publication Number Publication Date
FR2298215A1 true FR2298215A1 (en) 1976-08-13
FR2298215B1 FR2298215B1 (en) 1982-09-24

Family

ID=5936610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601109A Granted FR2298215A1 (en) 1975-01-16 1976-01-16 OVERVOLTAGE PROTECTION CIRCUIT FOR ELECTRONIC SWITCHING NETWORKS

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419625A1 (en) * 1978-03-07 1979-10-05 Labo Cent Telecommunicat Overvoltage protector for telephone subscriber equipment - has each line grounded by triac controlled by back-to-back Zener diode

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334952A1 (en) * 1983-09-27 1985-04-18 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR PROTECTING AN ELECTRONIC CIRCUIT CONNECTED TO THE FOURWIRE SIDE OF A TRANSMISSION FORK
DE19548063C2 (en) * 1995-12-21 1998-03-12 Siemens Ag Circuit arrangement for protecting a subscriber circuit of a telecommunications switching system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558830A (en) * 1969-04-09 1971-01-26 Communication Technology Inc Overvoltage transmission line protector
FR2268403A1 (en) * 1974-04-22 1975-11-14 Int Standard Electric Corp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268951A (en) * 1960-09-07
US3452157A (en) * 1966-02-01 1969-06-24 Itt Current controlled,self-seeking telephone switching system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558830A (en) * 1969-04-09 1971-01-26 Communication Technology Inc Overvoltage transmission line protector
FR2268403A1 (en) * 1974-04-22 1975-11-14 Int Standard Electric Corp

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/68 *
EXBK/74 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419625A1 (en) * 1978-03-07 1979-10-05 Labo Cent Telecommunicat Overvoltage protector for telephone subscriber equipment - has each line grounded by triac controlled by back-to-back Zener diode

Also Published As

Publication number Publication date
SE7600255L (en) 1976-07-19
CH604456A5 (en) 1978-09-15
GB1499961A (en) 1978-02-01
DE2501651C2 (en) 1982-11-04
DK15176A (en) 1976-07-17
NO143185B (en) 1980-09-15
BE837625R (en) 1976-07-16
AU501744B2 (en) 1979-06-28
IT1054944B (en) 1981-11-30
AU1036776A (en) 1977-07-28
NO760072L (en) 1976-07-19
SE411089B (en) 1979-11-26
NL7600332A (en) 1976-07-20
ES444317A1 (en) 1977-05-01
NO143185C (en) 1980-12-29
DE2501651A1 (en) 1976-07-22
FR2298215B1 (en) 1982-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse