BE859872R - Circuit gyrateur a limitation de courant - Google Patents

Circuit gyrateur a limitation de courant

Info

Publication number
BE859872R
BE859872R BE2056349A BE2056349A BE859872R BE 859872 R BE859872 R BE 859872R BE 2056349 A BE2056349 A BE 2056349A BE 2056349 A BE2056349 A BE 2056349A BE 859872 R BE859872 R BE 859872R
Authority
BE
Belgium
Prior art keywords
current limitation
gyrator circuit
gyrator
circuit
limitation
Prior art date
Application number
BE2056349A
Other languages
English (en)
Inventor
D M A F Bolus
J-P Chevillon
J-C Comte
P D P Philippe
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of BE859872R publication Critical patent/BE859872R/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • 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
    • H02H9/025—Current limitation using field effect transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE2056349A 1976-10-20 1977-10-19 Circuit gyrateur a limitation de courant BE859872R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7631540A FR2368752A1 (fr) 1976-10-20 1976-10-20 Dipole electronique a limitation de courant

Publications (1)

Publication Number Publication Date
BE859872R true BE859872R (fr) 1978-04-19

Family

ID=9178984

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056349A BE859872R (fr) 1976-10-20 1977-10-19 Circuit gyrateur a limitation de courant

Country Status (3)

Country Link
BE (1) BE859872R (fr)
DE (1) DE2746583C2 (fr)
FR (1) FR2368752A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844632C2 (de) * 1978-10-13 1984-01-12 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Elektronischer Zweipol
US4314196A (en) * 1980-07-14 1982-02-02 Motorola Inc. Current limiting circuit
DE3132971A1 (de) * 1981-08-20 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer fernsprechvermittlungsanlagen, insbesondere kleine nebenstellenanlagen, bei denen zwischen den teilnehmerstellen und einer ihnen gemeinsamen einrichtung eine signalisierung vorgenommen wird
FR2559009B1 (fr) * 1984-01-30 1989-12-01 Int Standard Electric Corp Circuit d'alimentation, notamment pour alimenter une ligne telephonique
DE3541548C1 (en) * 1985-11-25 1989-11-23 Ant Nachrichtentech Line unit for telephone/data transmission
DE3826765A1 (de) * 1988-08-04 1990-02-08 Deutsche Telephonwerk Kabel Schaltungsanordnung zur speisung elektronischer komponenten in kommunikations-endgeraeten ueber die anschlussleitungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532981A (en) * 1968-01-15 1970-10-06 Ford Motor Co Constant current instrument regulator
US3631264A (en) * 1970-02-11 1971-12-28 Sybron Corp Intrinsically safe electrical barrier system and improvements therein
BE786341A (fr) * 1971-07-08 1973-01-17 Int Standard Electric Corp Circuit gyrateur a limitation de courant

Also Published As

Publication number Publication date
FR2368752B1 (fr) 1980-11-14
FR2368752A1 (fr) 1978-05-19
DE2746583A1 (de) 1978-04-27
DE2746583C2 (de) 1985-11-21

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