BE442550A - - Google Patents

Info

Publication number
BE442550A
BE442550A BE442550DA BE442550A BE 442550 A BE442550 A BE 442550A BE 442550D A BE442550D A BE 442550DA BE 442550 A BE442550 A BE 442550A
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 BE442550A publication Critical patent/BE442550A/xx
Priority claimed from US354301A external-priority patent/US2385228A/en

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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
BE442550D 1940-08-26 BE442550A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US354301A US2385228A (en) 1940-08-26 1940-08-26 Telephone system
US446717A US2500374A (en) 1940-08-26 1942-06-12 Automatic charging and ticketing in automatic telephony
US451622A US2437118A (en) 1940-08-26 1942-07-20 Automatic telephone system having rating independent of routing

Publications (1)

Publication Number Publication Date
BE442550A true BE442550A (fr)

Family

ID=27408172

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442550D BE442550A (fr) 1940-08-26

Country Status (3)

Country Link
US (2) US2500374A (fr)
BE (1) BE442550A (fr)
GB (2) GB550244A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE465859A (fr) * 1945-06-13
BE471330A (fr) * 1946-02-23
US2688658A (en) * 1947-07-07 1954-09-07 Bell Telephone Labor Inc Call data recording telephone system
US2655652A (en) * 1948-06-28 1953-10-13 John H Homrighous Multiplex time division telephone systems
US2657268A (en) * 1948-10-14 1953-10-27 Bell Telephone Labor Inc System for automatically ticketing telephone calls
BE498945A (fr) * 1949-10-26
US2805283A (en) * 1951-12-10 1957-09-03 Gen Telephone Lab Inc Automatic telegraph switching system
US2886642A (en) * 1953-04-13 1959-05-12 Gen Dynamics Corp Automatic toll ticketing
US2956127A (en) * 1954-12-08 1960-10-11 North Electric Co Automatic telephone system
US2947817A (en) * 1955-09-26 1960-08-02 Gen Dynamics Corp Clock-calendar circuit
US2877311A (en) * 1955-09-26 1959-03-10 Gen Dynamics Corp Automatic subscriber identification system
US3059055A (en) * 1958-05-05 1962-10-16 Int Standard Electric Corp Telephone systems

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1650410A (en) * 1921-10-12 1927-11-22 bellamy
US1653300A (en) * 1922-02-04 1927-12-20 A cobpobation of dela
US1673420A (en) * 1925-02-20 1928-06-12 Automatic Electric Inc Automatic telephone system
US1738931A (en) * 1926-02-12 1929-12-10 Automatic Electric Inc Zone metering system
US1901156A (en) * 1930-06-23 1933-03-14 Ass Telephone & Telegraph Co Telephone system
US2007736A (en) * 1932-01-30 1935-07-09 Milton S Friendly Automatic telephone system
US2079721A (en) * 1932-07-23 1937-05-11 Shepherd Judson O'd Metering system
US2074754A (en) * 1932-11-19 1937-03-23 Harold F Murphy Recording device for telephones
GB426790A (en) * 1933-10-06 1935-04-08 Standard Telephones Cables Ltd Improvements in or relating to automatic or semi-automatic telephone or like exchange systems
US2165924A (en) * 1933-10-31 1939-07-11 Bell Telephone Labor Inc Telephone system
US2089768A (en) * 1934-03-01 1937-08-10 Samuel H Lewis Telephone call apparatus
US2112951A (en) * 1934-04-28 1938-04-05 Bell Telephone Labor Inc Telephone system
US2064274A (en) * 1935-07-02 1936-12-15 Bell Telephone Labor Inc Recording mechanism
US2182482A (en) * 1936-08-04 1939-12-05 Siemens & Halske Ag Of Wernerw Automatic telephone system
US2289745A (en) * 1937-12-24 1942-07-14 Int Standard Electric Corp Metering equipment for telecommunication exchange systems
US2316238A (en) * 1937-12-24 1943-04-13 Int Standard Electric Corp Telecommunication system
US2277470A (en) * 1938-01-25 1942-03-24 Western Electric Co Automatic toll ticketing system
US2273165A (en) * 1938-04-06 1942-02-17 Western Electric Co Tariff determining equipment for telephone systems
US2272475A (en) * 1938-06-14 1942-02-10 Associated Electric Lab Inc Telephone system
US2201986A (en) * 1938-06-17 1940-05-28 Bell Telephone Labor Inc Telephone system
GB530443A (en) * 1939-05-11 1940-12-12 Ass Telephone & Telegraph Co Improvements in or relating to telephone systems
US2300829A (en) * 1940-03-22 1942-11-03 Bell Telephone Labor Inc Calling line identification system
US2352492A (en) * 1941-12-20 1944-06-27 Automatic Elect Lab Telephone system

Also Published As

Publication number Publication date
GB550235A (en) 1942-12-30
US2500374A (en) 1950-03-14
US2437118A (en) 1948-03-02
GB550244A (en) 1942-12-30

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