DE311692C - - Google Patents

Info

Publication number
DE311692C
DE311692C DENDAT311692D DE311692DA DE311692C DE 311692 C DE311692 C DE 311692C DE NDAT311692 D DENDAT311692 D DE NDAT311692D DE 311692D A DE311692D A DE 311692DA DE 311692 C DE311692 C DE 311692C
Authority
DE
Germany
Prior art keywords
line
alarm clock
station
springs
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
DENDAT311692D
Other languages
German (de)
English (en)
Publication of DE311692C publication Critical patent/DE311692C/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
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT311692D Active DE311692C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE311692C true DE311692C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=564667

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT311692D Active DE311692C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE311692C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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