DE117996C - - Google Patents

Info

Publication number
DE117996C
DE117996C DE1899117996D DE117996DA DE117996C DE 117996 C DE117996 C DE 117996C DE 1899117996 D DE1899117996 D DE 1899117996D DE 117996D A DE117996D A DE 117996DA DE 117996 C DE117996 C DE 117996C
Authority
DE
Germany
Prior art keywords
line
circuit
lamp
signal
relay
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.)
Expired - Lifetime
Application number
DE1899117996D
Other languages
German (de)
English (en)
Filing date
Publication of DE117996C publication Critical patent/DE117996C/de
Application filed filed Critical
Priority to AT8954D priority Critical patent/AT8954B/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/08—Manual exchanges using connecting means other than cords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DE1899117996D 1899-03-30 1899-03-30 Expired - Lifetime DE117996C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT8954D AT8954B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1899-03-30 1900-02-03

Publications (1)

Publication Number Publication Date
DE117996C true DE117996C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=387225

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1899117996D Expired - Lifetime DE117996C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1899-03-30 1899-03-30

Country Status (1)

Country Link
DE (1) DE117996C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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