DE156439C - - Google Patents

Info

Publication number
DE156439C
DE156439C DENDAT156439D DE156439DA DE156439C DE 156439 C DE156439 C DE 156439C DE NDAT156439 D DENDAT156439 D DE NDAT156439D DE 156439D A DE156439D A DE 156439DA DE 156439 C DE156439 C DE 156439C
Authority
DE
Germany
Prior art keywords
extension
office
line
battery
plug
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
DENDAT156439D
Other languages
German (de)
English (en)
Publication of DE156439C publication Critical patent/DE156439C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT156439D Active DE156439C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE156439C true DE156439C (enrdf_load_stackoverflow)

Family

ID=422812

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT156439D Active DE156439C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE156439C (enrdf_load_stackoverflow)

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