FR2417849A2 - Dispositif pour la protection contre les surtensions - Google Patents

Dispositif pour la protection contre les surtensions

Info

Publication number
FR2417849A2
FR2417849A2 FR7825773A FR7825773A FR2417849A2 FR 2417849 A2 FR2417849 A2 FR 2417849A2 FR 7825773 A FR7825773 A FR 7825773A FR 7825773 A FR7825773 A FR 7825773A FR 2417849 A2 FR2417849 A2 FR 2417849A2
Authority
FR
France
Prior art keywords
electrodes
protection against
against overvoltages
secondary electrodes
protection
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.)
Withdrawn
Application number
FR7825773A
Other languages
English (en)
French (fr)
Inventor
Francesco Maone
Francesco Mazzola
Francesco Bracciante
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 FR2417849A2 publication Critical patent/FR2417849A2/fr
Withdrawn legal-status Critical Current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
    • H01T1/00—Details of spark gaps
    • H01T1/20—Means for starting arc or facilitating ignition of spark gap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes

Landscapes

  • Emergency Protection Circuit Devices (AREA)
FR7825773A 1978-02-16 1978-09-07 Dispositif pour la protection contre les surtensions Withdrawn FR2417849A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20266/78A IT1108971B (it) 1978-02-16 1978-02-16 Dispositivo per la protezione da sovratensioni

Publications (1)

Publication Number Publication Date
FR2417849A2 true FR2417849A2 (fr) 1979-09-14

Family

ID=11165270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825773A Withdrawn FR2417849A2 (fr) 1978-02-16 1978-09-07 Dispositif pour la protection contre les surtensions

Country Status (9)

Country Link
BE (1) BE870357R (it)
BR (1) BR7806031A (it)
ES (1) ES476481A1 (it)
FR (1) FR2417849A2 (it)
GB (1) GB2021309A (it)
IT (1) IT1108971B (it)
NL (1) NL7805301A (it)
NO (1) NO790296L (it)
SE (1) SE7901200L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122807B (en) * 1982-06-24 1986-01-29 English Electric Valve Co Ltd Impulse protection device

Citations (6)

* 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
CH313669A (de) * 1953-07-23 1956-04-30 Bbc Brown Boveri & Cie Vorionisierte Funkenstrecke, insbesondere für Überspannungsableiter
US2830216A (en) * 1954-08-02 1958-04-08 Elsi L Elettronica Sicula S P Multiple discharger particularly for protecting telecommunication nets and the method for manufacturing it
US3328632A (en) * 1965-08-16 1967-06-27 English Electric Co Ltd Vacuum-protective spark gap with trigger electrode
US3989985A (en) * 1973-09-13 1976-11-02 Siemens Aktiengesellschaft Surge voltage arrester
BE863395A (fr) * 1977-05-06 1978-05-16 Sits Soc It Telecom Siemens Dispositif a effet de champ pour la protection contre les surtensions

Patent Citations (7)

* 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
CH313669A (de) * 1953-07-23 1956-04-30 Bbc Brown Boveri & Cie Vorionisierte Funkenstrecke, insbesondere für Überspannungsableiter
US2830216A (en) * 1954-08-02 1958-04-08 Elsi L Elettronica Sicula S P Multiple discharger particularly for protecting telecommunication nets and the method for manufacturing it
US3328632A (en) * 1965-08-16 1967-06-27 English Electric Co Ltd Vacuum-protective spark gap with trigger electrode
US3989985A (en) * 1973-09-13 1976-11-02 Siemens Aktiengesellschaft Surge voltage arrester
BE863395A (fr) * 1977-05-06 1978-05-16 Sits Soc It Telecom Siemens Dispositif a effet de champ pour la protection contre les surtensions
FR2389994A1 (it) * 1977-05-06 1978-12-01 Sits Soc It Telecom Siemens

Also Published As

Publication number Publication date
SE7901200L (sv) 1979-08-17
NO790296L (no) 1979-08-17
ES476481A1 (es) 1979-04-16
BR7806031A (pt) 1980-03-25
NL7805301A (nl) 1979-08-20
BE870357R (fr) 1979-01-02
IT7820266A0 (it) 1978-02-16
IT1108971B (it) 1985-12-16
GB2021309A (en) 1979-11-28

Similar Documents

Publication Publication Date Title
FR2420222A1 (fr) Dispositif pour tetes de cables dans la technique des lignes de telecommunication
ES449789A1 (es) Un metodo y su correspondiente aparato de descarga generado-ra de efecto corona para alterar la carga aplicada a una su-perficie receptora de carga.
FR2419041A1 (fr) Dispositif de montage d'une visiere sur un casque de protection
FR2432819A1 (fr) Eliminateur statique a couplage capacitif avec blindage haute tension
ES2087935T3 (es) Aparato de cristal liquido.
FR2446533A1 (fr) Dispositif de transfert de chaleur pour parafoudre
FR2356279A1 (fr) Dispositif semi-conducteur auto-protege
IT1112216B (it) Transistore ad effetto di campo,a porta isolata,presentante una struttura di porta,di tipo chiuso,con caratteristiche di rottura a valanga controllate
FR2417849A2 (fr) Dispositif pour la protection contre les surtensions
FR2356247A1 (fr) Cable plat pour connexions volantes
FR2421819A1 (fr) Dispositif de fermeture auto-etanche pour citerne de transport
BE902112A (fr) Element protecteur pour reglette de repartiteur.
FR2389985A1 (it)
FR2357055A1 (fr) Eclateur pour surtensions
FR2380490A1 (fr) Ecran de chaleur et dispositif pourvu d'un tel ecran
BE901735A (fr) Support de boucliers convenables pour etre utilises dans les mines.
FR2373152A1 (fr) Tube a decharge electrique
FR2358013A2 (fr) Appareil d'affichage a decharge gazeuse
BE851844A (fr) Assemblage d'eclateur pour dispositifs de protection contre les surtensions
JPS56125768A (en) Charging device
FR1540293A (fr) Perfectionnements apportés aux installations pour la fragmentation d'un matériau dans un écoulement gazeux
JPS57129451A (en) Formation of conductive path
FR2423830A1 (fr) Electrodes ultra-etroites pour affichage a cristal liquide
GB1181939A (en) Anti-Bend Device for Cables and Wires at Casing Entries
JPS5469274A (en) Electric bulb

Legal Events

Date Code Title Description
RE Withdrawal of published application