CH233690A - Elektromagnetische Signalanzeigeeinrichtung. - Google Patents

Elektromagnetische Signalanzeigeeinrichtung.

Info

Publication number
CH233690A
CH233690A CH233690DA CH233690A CH 233690 A CH233690 A CH 233690A CH 233690D A CH233690D A CH 233690DA CH 233690 A CH233690 A CH 233690A
Authority
CH
Switzerland
Prior art keywords
electromagnetic signal
signal indicator
indicator
electromagnetic
signal
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Ag Albiswerk Zuerich
Original Assignee
Siemens Ag Albis
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 Albis filed Critical Siemens Ag Albis
Publication of CH233690A publication Critical patent/CH233690A/de

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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH233690D 1943-02-26 1943-02-26 Elektromagnetische Signalanzeigeeinrichtung. CH233690A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH903531X 1943-02-26

Publications (1)

Publication Number Publication Date
CH233690A true CH233690A (de) 1944-08-15

Family

ID=4546733

Family Applications (1)

Application Number Title Priority Date Filing Date
CH233690D CH233690A (de) 1943-02-26 1943-02-26 Elektromagnetische Signalanzeigeeinrichtung.

Country Status (3)

Country Link
BE (1) BE454663A (enrdf_load_stackoverflow)
CH (1) CH233690A (enrdf_load_stackoverflow)
FR (1) FR903531A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR903531A (fr) 1945-10-08
BE454663A (enrdf_load_stackoverflow)

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