BE470974A - - Google Patents

Info

Publication number
BE470974A
BE470974A BE470974DA BE470974A BE 470974 A BE470974 A BE 470974A BE 470974D A BE470974D A BE 470974DA BE 470974 A BE470974 A BE 470974A
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 BE470974A publication Critical patent/BE470974A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE470974D 1940-05-22 BE470974A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US336494A US2402700A (en) 1940-05-22 1940-05-22 Telephone system

Publications (1)

Publication Number Publication Date
BE470974A true BE470974A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=23316348

Family Applications (1)

Application Number Title Priority Date Filing Date
BE470974D BE470974A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1940-05-22

Country Status (2)

Country Link
US (1) US2402700A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE470974A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698879A (en) * 1943-05-05 1955-01-04 American Telephone & Telegraph Class of service determining circuit
US2513112A (en) * 1944-07-19 1950-06-27 Shepherd Judson O'd Data recording system employing record controlled apparatus
US2599357A (en) * 1946-02-23 1952-06-03 Bell Telephone Labor Inc Automatic telephone billing system
US2619545A (en) * 1947-06-13 1952-11-25 Bell Telephone Labor Inc Telephone calling line identification and recording system
BE496507A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 1949-07-08
US2956127A (en) * 1954-12-08 1960-10-11 North Electric Co Automatic telephone system
US3189687A (en) * 1962-02-02 1965-06-15 Charles G Miller Telephone switching system

Also Published As

Publication number Publication date
US2402700A (en) 1946-06-25

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