BE492792A - - Google Patents

Info

Publication number
BE492792A
BE492792A BE492792DA BE492792A BE 492792 A BE492792 A BE 492792A BE 492792D A BE492792D A BE 492792DA BE 492792 A BE492792 A BE 492792A
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 BE492792A publication Critical patent/BE492792A/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)
  • Devices For Supply Of Signal Current (AREA)
BE492792D 1948-12-17 BE492792A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32648/48A GB654137A (en) 1948-12-17 1948-12-17 Improvements in or relating to electrical signalling systems

Publications (1)

Publication Number Publication Date
BE492792A true BE492792A (fr)

Family

ID=10341903

Family Applications (1)

Application Number Title Priority Date Filing Date
BE492792D BE492792A (fr) 1948-12-17

Country Status (4)

Country Link
US (1) US2672519A (fr)
BE (1) BE492792A (fr)
DE (1) DE836047C (fr)
GB (1) GB654137A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124656A (en) * 1964-03-10 bonanno
US2963553A (en) * 1954-03-17 1960-12-06 Douglas L White System for identifying telephone lines
US3035125A (en) * 1956-04-03 1962-05-15 Gen Dynamics Corp Digit sending means for telephone systems
US2854519A (en) * 1956-04-18 1958-09-30 Gen Dynamics Corp Telephone system including line identifying means
FR1212783A (fr) * 1958-07-11 1960-03-25 Constr Telephoniques Perfectionnements aux dispositifs d'identification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB358984A (en) * 1929-07-15 1931-10-09 Ass Telephone & Telegraph Co Improvements in or relating to display arrangements for electrical signalling systems
US2068711A (en) * 1931-07-10 1937-01-26 Associated Electric Lab Inc Stock quotation system
US2159107A (en) * 1932-10-17 1939-05-23 Associated Electric Lab Inc Stock-quotation system

Also Published As

Publication number Publication date
GB654137A (en) 1951-06-06
DE836047C (de) 1952-04-07
US2672519A (en) 1954-03-16

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