FR2389994B1 - - Google Patents

Info

Publication number
FR2389994B1
FR2389994B1 FR7730048A FR7730048A FR2389994B1 FR 2389994 B1 FR2389994 B1 FR 2389994B1 FR 7730048 A FR7730048 A FR 7730048A FR 7730048 A FR7730048 A FR 7730048A FR 2389994 B1 FR2389994 B1 FR 2389994B1
Authority
FR
France
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
FR7730048A
Other versions
FR2389994A1 (fr
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2389994A1 publication Critical patent/FR2389994A1/fr
Application granted granted Critical
Publication of FR2389994B1 publication Critical patent/FR2389994B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T2/00—Spark gaps comprising auxiliary triggering means
    • H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
FR7730048A 1977-05-06 1977-10-06 Expired FR2389994B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23269/77A IT1115469B (it) 1977-05-06 1977-05-06 Dispositivo ad effetto di campo per la protezione da sovratensioni

Publications (2)

Publication Number Publication Date
FR2389994A1 FR2389994A1 (fr) 1978-12-01
FR2389994B1 true FR2389994B1 (fr) 1981-06-19

Family

ID=11205484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730048A Expired FR2389994B1 (fr) 1977-05-06 1977-10-06

Country Status (9)

Country Link
BE (1) BE863395A (fr)
BR (1) BR7802133A (fr)
ES (1) ES467208A1 (fr)
FR (1) FR2389994B1 (fr)
GB (1) GB1603031A (fr)
IT (1) IT1115469B (fr)
NL (1) NL7802238A (fr)
NO (1) NO781561L (fr)
SE (1) SE7805024L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1108971B (it) * 1978-02-16 1985-12-16 Sits Soc It Telecom Siemens Dispositivo per la protezione da sovratensioni
GB2200243B (en) * 1987-01-27 1990-09-05 English Electric Valve Co Ltd Protection device
DE19818674B4 (de) 1998-04-27 2004-04-29 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzelement
DE102018133389A1 (de) * 2018-12-21 2020-06-25 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB353924A (en) * 1930-01-29 1931-07-29 Edison Swan Electric Co Ltd Improvements in protecting devices for electric circuits
FR1052741A (fr) * 1952-03-24 1954-01-26 Parafoudre à transfert d'arc
CH313669A (de) * 1953-07-23 1956-04-30 Bbc Brown Boveri & Cie Vorionisierte Funkenstrecke, insbesondere für Überspannungsableiter
GB1085032A (en) * 1964-09-11 1967-09-27 English Electric Co Ltd Improvements in or relating to protective spark gap devices
US3845345A (en) * 1973-07-05 1974-10-29 Gen Electric Frequency sensitive preionizer

Also Published As

Publication number Publication date
BE863395A (fr) 1978-05-16
BR7802133A (pt) 1979-05-29
SE7805024L (sv) 1978-11-07
NL7802238A (nl) 1978-11-08
FR2389994A1 (fr) 1978-12-01
ES467208A1 (es) 1978-11-16
NO781561L (no) 1978-11-07
IT1115469B (it) 1986-02-03
GB1603031A (en) 1981-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse