BE400588A - - Google Patents

Info

Publication number
BE400588A
BE400588A BE400588DA BE400588A BE 400588 A BE400588 A BE 400588A BE 400588D A BE400588D A BE 400588DA BE 400588 A BE400588 A BE 400588A
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 BE400588A publication Critical patent/BE400588A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/30Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Relay Circuits (AREA)
BE400588D 1933-01-13 BE400588A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647953X 1933-01-13

Publications (1)

Publication Number Publication Date
BE400588A true BE400588A (en:Method)

Family

ID=9002374

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400588D BE400588A (en:Method) 1933-01-13

Country Status (5)

Country Link
BE (1) BE400588A (en:Method)
DE (1) DE647953C (en:Method)
FR (1) FR749017A (en:Method)
GB (1) GB419634A (en:Method)
NL (1) NL38748C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892631C (de) * 1939-05-28 1953-10-08 Hartmann & Braun Ag Stoerungsunempfindlicher elektrischer Frequenzmesser, besonders fuer kleine Frequenzen
BE544673A (en:Method) * 1955-04-13

Also Published As

Publication number Publication date
NL38748C (en:Method)
DE647953C (de) 1937-07-17
FR749017A (fr) 1933-07-17
GB419634A (en) 1934-11-15

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