BE473095A - - Google Patents

Info

Publication number
BE473095A
BE473095A BE473095DA BE473095A BE 473095 A BE473095 A BE 473095A BE 473095D A BE473095D A BE 473095DA BE 473095 A BE473095 A BE 473095A
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 BE473095A publication Critical patent/BE473095A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/13—Gas discharge tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE473095D 1946-05-17 BE473095A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US670358A US2484612A (en) 1946-05-17 1946-05-17 Directory number calling line identifier

Publications (1)

Publication Number Publication Date
BE473095A true BE473095A (en:Method)

Family

ID=24690099

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473095D BE473095A (en:Method) 1946-05-17

Country Status (5)

Country Link
US (1) US2484612A (en:Method)
BE (1) BE473095A (en:Method)
CH (1) CH277163A (en:Method)
FR (1) FR944777A (en:Method)
GB (1) GB650774A (en:Method)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2629016A (en) * 1942-06-27 1953-02-17 Bell Telephone Labor Inc Automatic toll-ticketing system
US2619545A (en) * 1947-06-13 1952-11-25 Bell Telephone Labor Inc Telephone calling line identification and recording system
US2639092A (en) * 1947-09-04 1953-05-19 Bell Telephone Labor Inc Automatic message accounting system
US2767246A (en) * 1947-09-04 1956-10-16 Bell Telephone Labor Inc Automatic message accounting system
US2570971A (en) * 1947-11-14 1951-10-09 Bell Telephone Labor Inc Vertical line number translator
US2600502A (en) * 1948-04-24 1952-06-17 Bell Telephone Labor Inc Calling line and private branch exchange line identifier
US2639330A (en) * 1949-03-04 1953-05-19 Automatic Elect Lab Calling line identification apparatus
BE496069A (en:Method) * 1949-06-02
US2594505A (en) * 1949-12-09 1952-04-29 Bell Telephone Labor Inc Calling line identification and registering system
BE499901A (en:Method) * 1949-12-30
US2587426A (en) * 1950-04-28 1952-02-26 Atomic Energy Commission Pulse forming network
BE506350A (en:Method) * 1950-10-13
US2851531A (en) * 1952-03-12 1958-09-09 Gen Telephone Lab Inc Automatic telephone systems involving toll recording facilities
US2881260A (en) * 1952-03-12 1959-04-07 Gen Telephone Lab Inc Automatic telephone systems involving toll-recording facilities
US2886642A (en) * 1953-04-13 1959-05-12 Gen Dynamics Corp Automatic toll ticketing
BE555540A (en:Method) * 1953-07-03
US2748283A (en) * 1953-08-19 1956-05-29 Bell Telephone Labor Inc Frequency multiplier apparatus
US3133156A (en) * 1960-10-31 1964-05-12 Bell Telephone Labor Inc Telephone line concentrator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690206A (en) * 1927-06-04 1928-11-06 Western Electric Co Telephone system
US1663747A (en) * 1927-08-05 1928-03-27 American Telephone & Telegraph Telephone-exchange system
US1841084A (en) * 1930-04-19 1932-01-12 Bell Telephone Labor Inc Telephone system
US2005595A (en) * 1932-10-21 1935-06-18 Western Electric Co Telephone system
US2226459A (en) * 1935-11-23 1940-12-24 Philco Radio & Television Corp Signal-deriving circuit
US2084105A (en) * 1936-03-11 1937-06-15 Bell Telephone Labor Inc Telephone control system
US2153179A (en) * 1936-09-10 1939-04-04 Ibm Oscillator circuit
BE477685A (en:Method) * 1940-09-20

Also Published As

Publication number Publication date
GB650774A (en) 1951-03-07
CH277163A (de) 1951-08-15
US2484612A (en) 1949-10-11
FR944777A (fr) 1949-04-14

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