IT7823962A0 - OVERVOLTAGE LIMITING DEVICE FOR ELECTRONIC TELEPHONE SYSTEMS. - Google Patents

OVERVOLTAGE LIMITING DEVICE FOR ELECTRONIC TELEPHONE SYSTEMS.

Info

Publication number
IT7823962A0
IT7823962A0 IT7823962A IT2396278A IT7823962A0 IT 7823962 A0 IT7823962 A0 IT 7823962A0 IT 7823962 A IT7823962 A IT 7823962A IT 2396278 A IT2396278 A IT 2396278A IT 7823962 A0 IT7823962 A0 IT 7823962A0
Authority
IT
Italy
Prior art keywords
limiting device
telephone systems
electronic telephone
overvoltage limiting
overvoltage
Prior art date
Application number
IT7823962A
Other languages
Italian (it)
Other versions
IT1094937B (en
Original Assignee
Materiel Telephonique
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 Materiel Telephonique filed Critical Materiel Telephonique
Publication of IT7823962A0 publication Critical patent/IT7823962A0/en
Application granted granted Critical
Publication of IT1094937B publication Critical patent/IT1094937B/en

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
    • H02H9/044—Physical layout, materials not provided for elsewhere
    • 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
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/021—Current limitation using saturable reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IT23962/78A 1977-05-31 1978-05-30 OVERVOLTAGE LIMITER DEVICE FOR ELECTRONIC TYPE TELEPHONE SYSTEMS IT1094937B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7716470A FR2393454A1 (en) 1977-05-31 1977-05-31 Overvoltage limiting on electronic telephonic installation - utilises saturable magnetic transformer with closed magnetic circuit coupled to lines

Publications (2)

Publication Number Publication Date
IT7823962A0 true IT7823962A0 (en) 1978-05-30
IT1094937B IT1094937B (en) 1985-08-10

Family

ID=9191426

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23962/78A IT1094937B (en) 1977-05-31 1978-05-30 OVERVOLTAGE LIMITER DEVICE FOR ELECTRONIC TYPE TELEPHONE SYSTEMS

Country Status (6)

Country Link
BE (1) BE867605A (en)
DE (1) DE2823621A1 (en)
ES (1) ES470265A1 (en)
FR (1) FR2393454A1 (en)
IT (1) IT1094937B (en)
SU (1) SU683650A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913232C2 (en) * 1979-04-03 1987-02-19 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Firedamp and explosion-proof radio telephone with a keypad
FR2523779A1 (en) * 1982-03-22 1983-09-23 Berdanos Guy ISOLATED BINARY TRANSMISSION DEVICE BY ELECTRIC LINE

Also Published As

Publication number Publication date
FR2393454B1 (en) 1982-01-08
BE867605A (en) 1978-09-18
ES470265A1 (en) 1979-02-16
DE2823621A1 (en) 1978-12-14
FR2393454A1 (en) 1978-12-29
IT1094937B (en) 1985-08-10
SU683650A3 (en) 1979-08-30

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