DE134270C - - Google Patents

Info

Publication number
DE134270C
DE134270C DENDAT134270D DE134270DA DE134270C DE 134270 C DE134270 C DE 134270C DE NDAT134270 D DENDAT134270 D DE NDAT134270D DE 134270D A DE134270D A DE 134270DA DE 134270 C DE134270 C DE 134270C
Authority
DE
Germany
Prior art keywords
line
office
call
switch
battery
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
DENDAT134270D
Other languages
German (de)
English (en)
Publication of DE134270C publication Critical patent/DE134270C/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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT134270D Active DE134270C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE134270C true DE134270C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=402410

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT134270D Active DE134270C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE134270C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861416C (de) * 1949-10-29 1953-01-05 Normalzeit G M B H Schaltungsanordnung fuer Zwischenstellenumschalter von Fernsprechnebenstellenanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861416C (de) * 1949-10-29 1953-01-05 Normalzeit G M B H Schaltungsanordnung fuer Zwischenstellenumschalter von Fernsprechnebenstellenanlagen

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