BE437120A - - Google Patents

Info

Publication number
BE437120A
BE437120A BE437120DA BE437120A BE 437120 A BE437120 A BE 437120A BE 437120D A BE437120D A BE 437120DA BE 437120 A BE437120 A BE 437120A
Authority
BE
Belgium
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 BE437120A publication Critical patent/BE437120A/xx

Links

Classifications

    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/544—Protection of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Alarm Devices (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
BE437120D 1938-11-22 BE437120A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB231368X 1938-11-22

Publications (1)

Publication Number Publication Date
BE437120A true BE437120A (en:Method)

Family

ID=10190737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE437120D BE437120A (en:Method) 1938-11-22

Country Status (4)

Country Link
BE (1) BE437120A (en:Method)
CH (1) CH231368A (en:Method)
GB (1) GB521714A (en:Method)
NL (1) NL55182C (en:Method)

Also Published As

Publication number Publication date
GB521714A (en) 1940-05-29
CH231368A (fr) 1944-03-15
NL55182C (en:Method)

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