NL61655C - - Google Patents

Info

Publication number
NL61655C
NL61655C NL61655DA NL61655C NL 61655 C NL61655 C NL 61655C NL 61655D A NL61655D A NL 61655DA NL 61655 C NL61655 C NL 61655C
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 NL61655C publication Critical patent/NL61655C/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
    • H04M15/28—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
NL61655D 1943-08-26 NL61655C (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH879259X 1943-08-26

Publications (1)

Publication Number Publication Date
NL61655C true NL61655C (ko)

Family

ID=4544697

Family Applications (1)

Application Number Title Priority Date Filing Date
NL61655D NL61655C (ko) 1943-08-26

Country Status (3)

Country Link
CH (1) CH237706A (ko)
DE (1) DE879259C (ko)
NL (1) NL61655C (ko)

Also Published As

Publication number Publication date
DE879259C (de) 1953-06-11
CH237706A (de) 1945-05-15

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