NL39375C - - Google Patents

Info

Publication number
NL39375C
NL39375C NL39375DA NL39375C NL 39375 C NL39375 C NL 39375C NL 39375D A NL39375D A NL 39375DA NL 39375 C NL39375 C NL 39375C
Authority
NL
Netherlands
Application number
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.)
Publication of NL39375C publication Critical patent/NL39375C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043—Oxides or oxidic compounds
    • 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
    • G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
NL39375D 1933-03-22 NL39375C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP67258D DE625673C (de) 1933-03-22 1933-03-22 Einrichtung zur Entnahme gleichbleibender Gleich- oder Wechselspannung aus Netzen mit schwankender Spannung

Publications (1)

Publication Number Publication Date
NL39375C true NL39375C (de)

Family

ID=7390967

Family Applications (1)

Application Number Title Priority Date Filing Date
NL39375D NL39375C (de) 1933-03-22

Country Status (2)

Country Link
DE (1) DE625673C (de)
NL (1) NL39375C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746742C (de) * 1934-06-05 1944-06-21 Siemens Ag Heissleiter (elektrischer Widerstand mit negativem Temperaturkoeffizienten) fuer kleine Regelleistungen
DE903477C (de) * 1937-10-06 1954-02-08 Siemens Ag Regelheissleiter
DE753295C (de) * 1939-02-03 1955-02-07 Brown Ag Elektromagnetisch betaetigter Kohledruckregler, insbesondere Beleuchtungsregler auf Fahrzeugen
DE976818C (de) * 1952-09-10 1964-05-06 Telefunken Patent Spannungsabhaengiger Scheinwiderstand
DE1271246B (de) * 1961-12-08 1968-06-27 Philips Nv Vorrichtung zum wahlweisen Anschluss eines Stromverbrauchers an zwei unterschiedliche Netzspannungen

Also Published As

Publication number Publication date
DE625673C (de) 1936-02-14

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