DE235087C - - Google Patents

Info

Publication number
DE235087C
DE235087C DENDAT235087D DE235087DA DE235087C DE 235087 C DE235087 C DE 235087C DE NDAT235087 D DENDAT235087 D DE NDAT235087D DE 235087D A DE235087D A DE 235087DA DE 235087 C DE235087 C DE 235087C
Authority
DE
Germany
Prior art keywords
battery
microphone
hook
handset
springs
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
DENDAT235087D
Other languages
German (de)
English (en)
Publication of DE235087C publication Critical patent/DE235087C/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)
  • Telephone Set Structure (AREA)
DENDAT235087D Active DE235087C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE235087T

Publications (1)

Publication Number Publication Date
DE235087C true DE235087C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=5895033

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT235087D Active DE235087C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (2)

Country Link
DE (1) DE235087C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR420816A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR420816A (fr) 1911-02-08

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