DE150207C - - Google Patents

Info

Publication number
DE150207C
DE150207C DENDAT150207D DE150207DA DE150207C DE 150207 C DE150207 C DE 150207C DE NDAT150207 D DENDAT150207 D DE NDAT150207D DE 150207D A DE150207D A DE 150207DA DE 150207 C DE150207 C DE 150207C
Authority
DE
Germany
Prior art keywords
relay
line
spring
conductor
circuit
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
DENDAT150207D
Other languages
German (de)
English (en)
Publication of DE150207C publication Critical patent/DE150207C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M5/00Manual exchanges
    • H04M5/12Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT150207D Active DE150207C (https=)

Publications (1)

Publication Number Publication Date
DE150207C true DE150207C (https=)

Family

ID=417148

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT150207D Active DE150207C (https=)

Country Status (1)

Country Link
DE (1) DE150207C (https=)

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