DE148236C - - Google Patents

Info

Publication number
DE148236C
DE148236C DENDAT148236D DE148236DA DE148236C DE 148236 C DE148236 C DE 148236C DE NDAT148236 D DENDAT148236 D DE NDAT148236D DE 148236D A DE148236D A DE 148236DA DE 148236 C DE148236 C DE 148236C
Authority
DE
Germany
Prior art keywords
battery
wake
switched
panel
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
DENDAT148236D
Other languages
German (de)
English (en)
Publication of DE148236C publication Critical patent/DE148236C/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
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT148236D Active DE148236C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE148236C true DE148236C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=415345

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT148236D Active DE148236C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE148236C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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