CH299866A - Electromagnetic switching device, preferably for telecommunications equipment. - Google Patents

Electromagnetic switching device, preferably for telecommunications equipment.

Info

Publication number
CH299866A
CH299866A CH299866DA CH299866A CH 299866 A CH299866 A CH 299866A CH 299866D A CH299866D A CH 299866DA CH 299866 A CH299866 A CH 299866A
Authority
CH
Switzerland
Prior art keywords
switching device
electromagnetic switching
telecommunications equipment
telecommunications
equipment
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Siem Halske
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Publication of CH299866A publication Critical patent/CH299866A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH299866D 1951-06-27 1952-03-04 Electromagnetic switching device, preferably for telecommunications equipment. CH299866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE299866X 1951-06-27

Publications (1)

Publication Number Publication Date
CH299866A true CH299866A (en) 1954-06-30

Family

ID=6091407

Family Applications (1)

Application Number Title Priority Date Filing Date
CH299866D CH299866A (en) 1951-06-27 1952-03-04 Electromagnetic switching device, preferably for telecommunications equipment.

Country Status (3)

Country Link
CH (1) CH299866A (en)
FR (1) FR1053323A (en)
NL (1) NL85920C (en)

Also Published As

Publication number Publication date
FR1053323A (en) 1954-02-02
NL85920C (en)

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