FR669273A - Resonance contact device - Google Patents

Resonance contact device

Info

Publication number
FR669273A
FR669273A FR669273DA FR669273A FR 669273 A FR669273 A FR 669273A FR 669273D A FR669273D A FR 669273DA FR 669273 A FR669273 A FR 669273A
Authority
FR
France
Prior art keywords
contact device
resonance contact
resonance
contact
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Otto Muck
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
Application granted granted Critical
Publication of FR669273A publication Critical patent/FR669273A/en
Expired legal-status Critical Current

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)
FR669273D 1928-02-08 1929-02-07 Resonance contact device Expired FR669273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE669273X 1928-02-08

Publications (1)

Publication Number Publication Date
FR669273A true FR669273A (en) 1929-11-14

Family

ID=6590153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669273D Expired FR669273A (en) 1928-02-08 1929-02-07 Resonance contact device

Country Status (1)

Country Link
FR (1) FR669273A (en)

Similar Documents

Publication Publication Date Title
FR660570A (en) Acoustic device
FR679718A (en) Drawing device
FR667539A (en) Reflective device
FR669273A (en) Resonance contact device
FR663438A (en) Deferred action device
FR671497A (en) Refrigeration device
FR658357A (en) Changing advertising device
FR36349E (en) Remote controlled contact device
FR664040A (en) Remote controlled contact device
FR673691A (en) Transmission device
FR664355A (en) Telecurietherapy device
FR670081A (en) Suspension device
FR640693A (en) Store key device
FR665414A (en) Anti-backfire device
FR663668A (en) Drying device
FR678315A (en) Fumivorous device
FR683960A (en) Electro-magnetic indicating device
FR659716A (en) Crystal detector device
FR682710A (en) Device with so-called permanent waves
FR681856A (en) Spinning device
FR679178A (en) Cooling device
FR678707A (en) Sealing device
FR659282A (en) Printing device
FR658622A (en) Printing device
FR662138A (en) Printing device