DE223496C - - Google Patents

Info

Publication number
DE223496C
DE223496C DENDAT223496D DE223496DA DE223496C DE 223496 C DE223496 C DE 223496C DE NDAT223496 D DENDAT223496 D DE NDAT223496D DE 223496D A DE223496D A DE 223496DA DE 223496 C DE223496 C DE 223496C
Authority
DE
Germany
Prior art keywords
call relay
transformer
series
windings
telephone exchanges
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
DENDAT223496D
Other languages
German (de)
English (en)
Publication of DE223496C publication Critical patent/DE223496C/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)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT223496D Active DE223496C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE231489T

Publications (1)

Publication Number Publication Date
DE223496C true DE223496C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=5875875

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT231489D Active DE231489C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DENDAT223496D Active DE223496C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT231489D Active DE231489C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (2) DE223496C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
DE231489C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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