NL57795C - - Google Patents

Info

Publication number
NL57795C
NL57795C NL57795DA NL57795C NL 57795 C NL57795 C NL 57795C NL 57795D A NL57795D A NL 57795DA NL 57795 C NL57795 C NL 57795C
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 NL57795C publication Critical patent/NL57795C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/64Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/82Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using spring-loaded pivoted inertia member
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/02Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05CELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
    • H05C1/00Circuits or apparatus for generating electric shock effects

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
NL57795D 1939-10-16 NL57795C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE219291X 1939-10-16

Publications (1)

Publication Number Publication Date
NL57795C true NL57795C (fr)

Family

ID=5831786

Family Applications (1)

Application Number Title Priority Date Filing Date
NL57795D NL57795C (fr) 1939-10-16

Country Status (3)

Country Link
CH (1) CH219291A (fr)
FR (1) FR869441A (fr)
NL (1) NL57795C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798171A (en) * 1955-08-05 1957-07-02 Maxwell Rubin And Les Scherer Direct current pulser device

Also Published As

Publication number Publication date
FR869441A (fr) 1942-02-02
CH219291A (de) 1942-01-31

Similar Documents

Publication Publication Date Title
FR839523A (fr)
BE436022A (fr)
BE421934A (fr)
BE428333A (fr)
BE431181A (fr)
BE432222A (fr)
BE432228A (fr)
BE475931A (fr)
BE432683A (fr)
BE432823A (fr)
BE432902A (fr)
BE432967A (fr)
BE432980A (fr)
BE433383A (fr)
BE433398A (fr)
BE433403A (fr)
BE433599A (fr)
BE433615A (fr)
BE433626A (fr)
BE433708A (fr)
BE433833A (fr)
BE433845A (fr)
BE433856A (fr)
BE433994A (fr)
BE433998A (fr)