BE859872R - CURRENT LIMITATION GYRATOR CIRCUIT - Google Patents

CURRENT LIMITATION GYRATOR CIRCUIT

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
French (fr)
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/en

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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
BE2056349A 1976-10-20 1977-10-19 CURRENT LIMITATION GYRATOR CIRCUIT BE859872R (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7631540A FR2368752A1 (en) 1976-10-20 1976-10-20 Two-pole current limiter for DC supplies - includes gyrator transistor controlled by FET circuit across base-collector of transistor

Publications (1)

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

Family

ID=9178984

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056349A BE859872R (en) 1976-10-20 1977-10-19 CURRENT LIMITATION GYRATOR CIRCUIT

Country Status (3)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844632C2 (en) * 1978-10-13 1984-01-12 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Electronic two-pole
US4314196A (en) * 1980-07-14 1982-02-02 Motorola Inc. Current limiting circuit
DE3132971A1 (en) * 1981-08-20 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for telephone switching systems, in particular small PABX systems, in which signalling is carried out between the subscriber stations and a device which is common to them
FR2559009B1 (en) * 1984-01-30 1989-12-01 Int Standard Electric Corp SUPPLY CIRCUIT, PARTICULARLY FOR SUPPLYING A TELEPHONE LINE
DE3541548C1 (en) * 1985-11-25 1989-11-23 Ant Nachrichtentech Line unit for telephone/data transmission
DE3826765A1 (en) * 1988-08-04 1990-02-08 Deutsche Telephonwerk Kabel Circuit arrangement for feeding electronic components in communications terminals via the connection lines

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 (en) * 1971-07-08 1973-01-17 Int Standard Electric Corp CURRENT LIMITATION GYRATOR CIRCUIT

Also Published As

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

Similar Documents

Publication Publication Date Title
SE7704403L (en) HOGSPEND URL CHARGING CIRCUIT
FR2349937A1 (en) ELECTRICAL COIL
DK476777A (en) DIGITAL CONTROL CIRCUIT
FR2339280A1 (en) VOLTAGE MULTIPLIER CIRCUIT
SE7703505L (en) ELECTRONIC SWITCH
SE7702634L (en) ELECTRONIC SWITCH
BE846508A (en) CURRENT LIMITATION CIRCUIT BREAKER
SE418029B (en) ELECTRICAL CAMERA DRIVERS
AT356187B (en) VOLTAGE LIMITATION CIRCUIT
SE7703506L (en) ELECTRONIC SWITCH
SE416858B (en) ELECTRICAL CIRCUIT
FR2349987A1 (en) PROTECTION CIRCUIT FOR DIRECT CURRENT CIRCUIT
SE408357B (en) SWITCHING CIRCUIT
BE859872R (en) CURRENT LIMITATION GYRATOR CIRCUIT
PL203539A1 (en) CIRCUIT BREAKER
SE7704792L (en) ELECTRICAL FILTER CIRCUIT
AT374621B (en) CIRCUIT BREAKER WITH ARC STARTING AID
SE409930B (en) DEPENDING ON ELECTRONIC OVERCURRENT TIME
PL201303A1 (en) ELECTRICAL SWITCH
PL197970A1 (en) CIRCUIT BREAKER
SE7707076L (en) CURRENT LIMITATION DEVICE
PT70525A (en) CURRENT SENSOR CIRCUIT
FR2339247A1 (en) CIRCUIT BREAKER
BE856054A (en) CIRCUIT BREAKER
BE852530A (en) CIRCUIT BREAKER