DE112198C - - Google Patents

Info

Publication number
DE112198C
DE112198C DENDAT112198D DE112198DA DE112198C DE 112198 C DE112198 C DE 112198C DE NDAT112198 D DENDAT112198 D DE NDAT112198D DE 112198D A DE112198D A DE 112198DA DE 112198 C DE112198 C DE 112198C
Authority
DE
Germany
Prior art keywords
line
monitoring
plug
telephone
lamps
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
DENDAT112198D
Other languages
German (de)
English (en)
Publication of DE112198C publication Critical patent/DE112198C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
DENDAT112198D Active DE112198C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE112198C true DE112198C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=381875

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT112198D Active DE112198C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE112198C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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