DE179422C - - Google Patents

Info

Publication number
DE179422C
DE179422C DENDAT179422D DE179422DA DE179422C DE 179422 C DE179422 C DE 179422C DE NDAT179422 D DENDAT179422 D DE NDAT179422D DE 179422D A DE179422D A DE 179422DA DE 179422 C DE179422 C DE 179422C
Authority
DE
Germany
Prior art keywords
line
coils
terminal
winding
telephone
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.)
Active
Application number
DENDAT179422D
Other languages
German (de)
English (en)
Publication of DE179422C publication Critical patent/DE179422C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04Current 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DENDAT179422D Active DE179422C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE179422C true DE179422C (enrdf_load_stackoverflow)

Family

ID=443751

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT179422D Active DE179422C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE179422C (enrdf_load_stackoverflow)

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