DE143668C - - Google Patents

Info

Publication number
DE143668C
DE143668C DENDAT143668D DE143668DA DE143668C DE 143668 C DE143668 C DE 143668C DE NDAT143668 D DENDAT143668 D DE NDAT143668D DE 143668D A DE143668D A DE 143668DA DE 143668 C DE143668 C DE 143668C
Authority
DE
Germany
Prior art keywords
relay
winding
lamp
call
series
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
DENDAT143668D
Other languages
German (de)
English (en)
Publication of DE143668C publication Critical patent/DE143668C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT143668D Active DE143668C (ro)

Publications (1)

Publication Number Publication Date
DE143668C true DE143668C (ro)

Family

ID=411149

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT143668D Active DE143668C (ro)

Country Status (1)

Country Link
DE (1) DE143668C (ro)

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