JPS57501058A - - Google Patents

Info

Publication number
JPS57501058A
JPS57501058A JP56502473A JP50247381A JPS57501058A JP S57501058 A JPS57501058 A JP S57501058A JP 56502473 A JP56502473 A JP 56502473A JP 50247381 A JP50247381 A JP 50247381A JP S57501058 A JPS57501058 A JP S57501058A
Authority
JP
Japan
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.)
Pending
Application number
JP56502473A
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 filed Critical
Publication of JPS57501058A publication Critical patent/JPS57501058A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Electrical Variables (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Amplifiers (AREA)
JP56502473A 1980-07-14 1981-06-19 Pending JPS57501058A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/167,852 US4314196A (en) 1980-07-14 1980-07-14 Current limiting circuit

Publications (1)

Publication Number Publication Date
JPS57501058A true JPS57501058A (ja) 1982-06-10

Family

ID=22609101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56502473A Pending JPS57501058A (ja) 1980-07-14 1981-06-19

Country Status (7)

Country Link
US (1) US4314196A (ja)
EP (1) EP0056039B1 (ja)
JP (1) JPS57501058A (ja)
BR (1) BR8108670A (ja)
CA (1) CA1167101A (ja)
IT (1) IT1142715B (ja)
WO (1) WO1982000372A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504323B1 (fr) * 1981-04-16 1985-10-31 Radiotechnique Compelec Poste telephonique d'abonne muni d'un dispositif de protection contre les surtensions
US4485341A (en) * 1982-07-28 1984-11-27 Motorola, Inc. Current limiter circuit
IT1215254B (it) * 1985-03-20 1990-01-31 Ates Componenti Elettron Circuito, integrabile monoliticamente, per la misura di correnti longitudinali e trasversali in una linea ditrasmissione bifilare.
CA1260170A (en) * 1985-08-20 1989-09-26 Kenji Takato Subscriber line interface circuit
SE468412B (sv) * 1991-05-15 1993-01-11 Ericsson Telefon Ab L M Limiterande foerstaerkare

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336655A (en) * 1976-09-17 1978-04-05 Hitachi Ltd Semiconductor integrated circuit
JPS5580126A (en) * 1978-12-12 1980-06-17 Seiko Epson Corp Constant-current circuit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769572A (en) * 1971-01-18 1973-10-30 California Inst Of Techn Two terminal current limiter
NL7208148A (ja) * 1972-06-15 1973-12-18
US3813595A (en) * 1973-03-30 1974-05-28 Rca Corp Current source
US3845405A (en) * 1973-05-24 1974-10-29 Rca Corp Composite transistor device with over current protection
DE2616363C3 (de) * 1975-04-24 1981-07-16 Naamloze Vennootschap Philips' Gloeilampenfabrieken, Eindhoven Vorrichtung zur Lieferung eines konstanten Speisegleichstromes
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit
NL7512311A (nl) * 1975-10-21 1977-04-25 Philips Nv Stroomstabilisatieschakeling.
DE2553431C3 (de) * 1975-11-28 1980-10-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Referenzstromquelle zur Erzeugung eines temperaturunabhängigen Gleichstromes
FR2368752A1 (fr) * 1976-10-20 1978-05-19 Labo Cent Telecommunicat Dipole electronique a limitation de courant
US4203012A (en) * 1977-07-14 1980-05-13 Boxall Frank S Hybrid circuit using current mirror circuits

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336655A (en) * 1976-09-17 1978-04-05 Hitachi Ltd Semiconductor integrated circuit
JPS5580126A (en) * 1978-12-12 1980-06-17 Seiko Epson Corp Constant-current circuit

Also Published As

Publication number Publication date
BR8108670A (pt) 1982-06-01
CA1167101A (en) 1984-05-08
EP0056039A1 (en) 1982-07-21
EP0056039B1 (en) 1986-09-03
IT1142715B (it) 1986-10-15
EP0056039A4 (en) 1982-11-25
WO1982000372A1 (en) 1982-02-04
IT8148894A0 (it) 1981-07-13
US4314196A (en) 1982-02-02

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