DE170632C - - Google Patents

Info

Publication number
DE170632C
DE170632C DENDAT170632D DE170632DA DE170632C DE 170632 C DE170632 C DE 170632C DE NDAT170632 D DENDAT170632 D DE NDAT170632D DE 170632D A DE170632D A DE 170632DA DE 170632 C DE170632 C DE 170632C
Authority
DE
Germany
Prior art keywords
call
battery
relay
resistor
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
DENDAT170632D
Other languages
German (de)
English (en)
Publication of DE170632C publication Critical patent/DE170632C/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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
DENDAT170632D Active DE170632C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE170632C true DE170632C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=435662

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT170632D Active DE170632C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE170632C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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