DE186053C - - Google Patents

Info

Publication number
DE186053C
DE186053C DENDAT186053D DE186053DA DE186053C DE 186053 C DE186053 C DE 186053C DE NDAT186053 D DENDAT186053 D DE NDAT186053D DE 186053D A DE186053D A DE 186053DA DE 186053 C DE186053 C DE 186053C
Authority
DE
Germany
Prior art keywords
office
extension
speech
exchange
line
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
DENDAT186053D
Other languages
German (de)
English (en)
Publication of DE186053C publication Critical patent/DE186053C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT186053D Active DE186053C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE186054T

Publications (1)

Publication Number Publication Date
DE186053C true DE186053C (enrdf_load_stackoverflow)

Family

ID=5719722

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT186053D Active DE186053C (enrdf_load_stackoverflow)
DENDAT186054D Active DE186054C (enrdf_load_stackoverflow)

Family Applications After (1)

Application Number Title Priority Date Filing Date
DENDAT186054D Active DE186054C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (2) DE186054C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE186054C (enrdf_load_stackoverflow)

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