NL26841C - - Google Patents

Info

Publication number
NL26841C
NL26841C NL26841DA NL26841C NL 26841 C NL26841 C NL 26841C NL 26841D A NL26841D A NL 26841DA NL 26841 C NL26841 C NL 26841C
Authority
NL
Netherlands
Application number
Priority date (The priority date 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 date listed.)
Publication of NL26841C publication Critical patent/NL26841C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/58Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
NL26841D 1927-08-30 NL26841C (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES81444D DE515223C (de) 1927-08-30 1927-08-30 Schaltungsanordnung zur Herstellung von Rueckfrageverbindungen in Fernsprechanlagen mit Waehlerbetrieb

Publications (1)

Publication Number Publication Date
NL26841C true NL26841C (ko)

Family

ID=7509612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL26841D NL26841C (ko) 1927-08-30

Country Status (2)

Country Link
DE (1) DE515223C (ko)
NL (1) NL26841C (ko)

Also Published As

Publication number Publication date
DE515223C (de) 1931-01-10

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