BE872025A - Sources de courant - Google Patents

Sources de courant

Info

Publication number
BE872025A
BE872025A BE191745A BE191745A BE872025A BE 872025 A BE872025 A BE 872025A BE 191745 A BE191745 A BE 191745A BE 191745 A BE191745 A BE 191745A BE 872025 A BE872025 A BE 872025A
Authority
BE
Belgium
Prior art keywords
power sources
sources
power
Prior art date
Application number
BE191745A
Other languages
English (en)
Original Assignee
Gen Electric Co Ltd
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 Gen Electric Co Ltd filed Critical Gen Electric Co Ltd
Publication of BE872025A publication Critical patent/BE872025A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/561—Voltage to current converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers

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)
  • Amplifiers (AREA)
BE191745A 1977-11-15 1978-11-14 Sources de courant BE872025A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4747577A GB1602296A (en) 1977-11-15 1977-11-15 Current sources

Publications (1)

Publication Number Publication Date
BE872025A true BE872025A (fr) 1979-03-01

Family

ID=10445118

Family Applications (1)

Application Number Title Priority Date Filing Date
BE191745A BE872025A (fr) 1977-11-15 1978-11-14 Sources de courant

Country Status (6)

Country Link
BE (1) BE872025A (fr)
CA (1) CA1135349A (fr)
FR (1) FR2408948A1 (fr)
GB (1) GB1602296A (fr)
NL (1) NL7811241A (fr)
WO (1) WO1979000295A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135846B (en) * 1983-02-04 1986-03-12 Standard Telephones Cables Ltd Current splitter
NL8400508A (nl) * 1984-02-17 1985-09-16 Philips Nv Audiotransmissiecircuit met als lijnspanningsstabilisator uitgevoerde zendversterker.
NL8500674A (nl) * 1985-03-11 1986-10-01 Philips Nv Als lijnspanningsstabilisator uitgevoerde zendversterker met veranderbare referentiespanning.
JPH0826911B2 (ja) * 1990-02-07 1996-03-21 三菱電機株式会社 自動車用電磁クラツチ電流制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE568224A (fr) * 1957-06-07
NL7505506A (nl) * 1974-05-15 1975-11-18 Analog Devices Inc Transistorversterker van het darlington-type.
DE2626570C2 (de) * 1976-06-14 1986-07-03 Sachs Systemtechnik Gmbh, 8720 Schweinfurt Geregelte Stromversorgungs-Vorrichtung eines Wasserentkeimungsgerätes

Also Published As

Publication number Publication date
GB1602296A (en) 1981-11-11
FR2408948A1 (fr) 1979-06-08
FR2408948B1 (fr) 1984-05-04
NL7811241A (nl) 1979-05-17
WO1979000295A1 (fr) 1979-05-31
CA1135349A (fr) 1982-11-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE GENERAL ELECTRIC CY LTD

Effective date: 19861130