BE495130A - - Google Patents

Info

Publication number
BE495130A
BE495130A BE495130DA BE495130A BE 495130 A BE495130 A BE 495130A BE 495130D A BE495130D A BE 495130DA BE 495130 A BE495130 A BE 495130A
Authority
BE
Belgium
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 BE495130A publication Critical patent/BE495130A/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
    • H04M15/08—Metering 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)
  • Interface Circuits In Exchanges (AREA)
  • Alarm Systems (AREA)
BE495130D 1949-04-26 BE495130A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89750A US2550585A (en) 1949-04-26 1949-04-26 Telephone identification circuit

Publications (1)

Publication Number Publication Date
BE495130A true BE495130A (ja)

Family

ID=22219408

Family Applications (1)

Application Number Title Priority Date Filing Date
BE495130D BE495130A (ja) 1949-04-26

Country Status (6)

Country Link
US (1) US2550585A (ja)
BE (1) BE495130A (ja)
DE (1) DE822411C (ja)
FR (1) FR1017517A (ja)
GB (1) GB683911A (ja)
NL (1) NL78690C (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708690A (en) * 1950-08-05 1955-05-17 Automatic Elect Lab Party line telephone systems
US2872519A (en) * 1952-03-24 1959-02-03 North Electric Co Automatic telephone system
US2809235A (en) * 1953-02-11 1957-10-08 Gen Dynamics Corp Telephone system
US2820100A (en) * 1954-02-26 1958-01-14 Bell Telephone Labor Inc Station identification device
US2779823A (en) * 1954-09-17 1957-01-29 Ericsson Telefon Ab L M Connecting device in automatic telephone systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299513A (en) * 1940-06-06 1942-10-20 Ass Telephone & Telegraph Co Telephone or like system
NL74027C (ja) * 1940-09-20
US2270246A (en) * 1940-09-20 1942-01-20 Bell Telephone Labor Inc Telephone system
US2252766A (en) * 1940-10-17 1941-08-19 Bell Telephone Labor Inc Signaling system
US2344612A (en) * 1942-06-27 1944-03-21 Bell Telephone Labor Inc Electric signaling

Also Published As

Publication number Publication date
DE822411C (de) 1951-11-26
US2550585A (en) 1951-04-24
GB683911A (en) 1952-12-10
FR1017517A (fr) 1952-12-11
NL78690C (ja)

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