DE160171C - - Google Patents

Info

Publication number
DE160171C
DE160171C DENDAT160171D DE160171DA DE160171C DE 160171 C DE160171 C DE 160171C DE NDAT160171 D DENDAT160171 D DE NDAT160171D DE 160171D A DE160171D A DE 160171DA DE 160171 C DE160171 C DE 160171C
Authority
DE
Germany
Prior art keywords
circuit
call
pressed
line
button
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
DENDAT160171D
Other languages
German (de)
English (en)
Publication of DE160171C publication Critical patent/DE160171C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/12—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT160171D Active DE160171C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE160171C true DE160171C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=426175

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT160171D Active DE160171C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE160171C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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