NL50473C - - Google Patents

Info

Publication number
NL50473C
NL50473C NL50473DA NL50473C NL 50473 C NL50473 C NL 50473C NL 50473D A NL50473D A NL 50473DA NL 50473 C NL50473 C NL 50473C
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 NL50473C publication Critical patent/NL50473C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
NL50473D 1934-04-07 NL50473C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH439015X 1934-04-07

Publications (1)

Publication Number Publication Date
NL50473C true NL50473C (xx)

Family

ID=4515137

Family Applications (1)

Application Number Title Priority Date Filing Date
NL50473D NL50473C (xx) 1934-04-07

Country Status (4)

Country Link
CH (1) CH171532A (xx)
FR (1) FR788463A (xx)
GB (1) GB439015A (xx)
NL (1) NL50473C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749559C (de) * 1935-03-20 1944-11-25 Zusatzeinrichtung fuer Selbstanschlussfernsprechstellen
DE887223C (de) * 1937-03-10 1953-08-20 Int Standard Electric Corp Schaltungsanordnung zur Bestimmung der Gebuehr fuer Verbindungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen
BE430525A (xx) * 1938-04-01
DE887962C (de) * 1941-01-18 1953-08-27 Schallband Syndikat Ag Kontrollverfahren fuer den drahtlosen Gegensprechverkehr im Flugsicherungsdienst und Anlage zu seiner Ausuebung

Also Published As

Publication number Publication date
CH171532A (de) 1934-08-31
FR788463A (fr) 1935-10-10
GB439015A (en) 1935-11-27

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