BE473455A - - Google Patents

Info

Publication number
BE473455A
BE473455A BE473455DA BE473455A BE 473455 A BE473455 A BE 473455A BE 473455D A BE473455D A BE 473455DA BE 473455 A BE473455 A BE 473455A
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 BE473455A publication Critical patent/BE473455A/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)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
BE473455D 1946-07-25 BE473455A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22136/46A GB615271A (en) 1946-07-25 1946-07-25 Improvements in or relating to electrical signalling systems

Publications (1)

Publication Number Publication Date
BE473455A true BE473455A (en:Method)

Family

ID=10174476

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473455D BE473455A (en:Method) 1946-07-25

Country Status (5)

Country Link
US (1) US2547804A (en:Method)
BE (1) BE473455A (en:Method)
DE (1) DE826164C (en:Method)
FR (1) FR947454A (en:Method)
GB (1) GB615271A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL82021C (en:Method) * 1950-01-28
US2691151A (en) * 1950-05-22 1954-10-05 Products & Licensing Corp Multiple switching systems
US2963553A (en) * 1954-03-17 1960-12-06 Douglas L White System for identifying telephone lines
FR1212783A (fr) * 1958-07-11 1960-03-25 Constr Telephoniques Perfectionnements aux dispositifs d'identification

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1864553A (en) * 1930-12-06 1932-06-28 Bell Telephone Labor Inc Telephone system
US1846261A (en) * 1931-04-11 1932-02-23 American Telephone & Telegraph Telephone system
GB475419A (en) * 1936-05-18 1937-11-18 Automatic Electric Co Ltd Improvements in or relating to telephone systems
US2077537A (en) * 1936-05-19 1937-04-20 American Telephone & Telegraph System for tracing telephone calls
US2222099A (en) * 1938-11-07 1940-11-19 Fides Ges Fur Verwaltung Und V Telephone system
BE438173A (en:Method) * 1939-03-02
BE468235A (en:Method) * 1940-03-23
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
NL57799C (nl) * 1941-03-07 1945-09-15 Bell Telephone Mfg Schakeling voor het besturen van een apparatuur in seinstelsels, in het bijzonder van de instelling van schakelaars in centrales voor telefoonstelsels
NL58889C (en:Method) * 1941-04-25
BE477655A (en:Method) * 1941-08-15
BE447417A (en:Method) * 1941-08-21
BE473684A (en:Method) * 1942-12-21 1900-01-01
GB614177A (en) * 1946-05-25 1948-12-10 Automatic Telephone & Elect Improvements in or relating to electrical signalling systems

Also Published As

Publication number Publication date
GB615271A (en) 1949-01-04
US2547804A (en) 1951-04-03
FR947454A (fr) 1949-07-04
DE826164C (de) 1951-12-27

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