DE150288C - - Google Patents

Info

Publication number
DE150288C
DE150288C DENDAT150288D DE150288DA DE150288C DE 150288 C DE150288 C DE 150288C DE NDAT150288 D DENDAT150288 D DE NDAT150288D DE 150288D A DE150288D A DE 150288DA DE 150288 C DE150288 C DE 150288C
Authority
DE
Germany
Prior art keywords
relay
lamp
office
line
called
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
DENDAT150288D
Other languages
German (de)
English (en)
Publication of DE150288C publication Critical patent/DE150288C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/08—Manual exchanges using connecting means other than cords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT150288D Active DE150288C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE150288C true DE150288C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=417217

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT150288D Active DE150288C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE150288C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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