NL54464C - - Google Patents

Info

Publication number
NL54464C
NL54464C NL54464DA NL54464C NL 54464 C NL54464 C NL 54464C NL 54464D A NL54464D A NL 54464DA NL 54464 C NL54464 C NL 54464C
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 NL54464C publication Critical patent/NL54464C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
NL54464D 1938-08-13 NL54464C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB234895X 1938-08-13

Publications (1)

Publication Number Publication Date
NL54464C true NL54464C (en:Method)

Family

ID=10196442

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54464D NL54464C (en:Method) 1938-08-13

Country Status (6)

Country Link
BE (1) BE435678A (en:Method)
CH (1) CH234895A (en:Method)
DE (1) DE892463C (en:Method)
FR (1) FR858506A (en:Method)
GB (1) GB517993A (en:Method)
NL (1) NL54464C (en:Method)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705917A (en) * 1925-02-19 1929-03-19 Toll-service telephone-exchange system
DE635669C (de) * 1932-11-01 1936-09-28 Friedrich Merk Telefonbau Akt Einrichtung zur Feststellung der Nummer eines anrufenden Teilnehmers in Selbstanschlussverbindungssystemen
US2193967A (en) * 1933-01-05 1940-03-19 Teletype Corp Automatic message exchange system

Also Published As

Publication number Publication date
CH234895A (de) 1944-10-31
FR858506A (fr) 1940-11-27
DE892463C (de) 1953-10-08
BE435678A (en:Method)
GB517993A (en) 1940-02-14

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