BE476939A - - Google Patents

Info

Publication number
BE476939A
BE476939A BE476939DA BE476939A BE 476939 A BE476939 A BE 476939A BE 476939D A BE476939D A BE 476939DA BE 476939 A BE476939 A BE 476939A
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 BE476939A publication Critical patent/BE476939A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • 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
    • 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
    • H04M15/08Metering calls to called party, i.e. B-party charged for the communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62Keyboard equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64Arrangements for signalling the number or class of the calling line to the operator
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Selective Calling Equipment (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Meter Arrangements (AREA)
BE476939D 1946-03-09 BE476939A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB285306X 1946-03-09

Publications (1)

Publication Number Publication Date
BE476939A true BE476939A (en:Method)

Family

ID=10277091

Family Applications (4)

Application Number Title Priority Date Filing Date
BE476759D BE476759A (en:Method) 1946-03-09
BE476939D BE476939A (en:Method) 1946-03-09
BE476048D BE476048A (en:Method) 1946-03-09
BE480488D BE480488A (en:Method) 1946-03-09

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE476759D BE476759A (en:Method) 1946-03-09

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE476048D BE476048A (en:Method) 1946-03-09
BE480488D BE480488A (en:Method) 1946-03-09

Country Status (7)

Country Link
US (1) US2633501A (en:Method)
BE (4) BE480488A (en:Method)
CH (4) CH291943A (en:Method)
ES (1) ES179632A1 (en:Method)
FR (4) FR57780E (en:Method)
GB (4) GB642541A (en:Method)
NL (2) NL75429C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013410B (de) * 1954-02-03 1957-08-08 Ver Leichtmetallwerke Gmbh Eckverbindung fuer Hohlprofile, insbesondere fuer Fenster- und Tuerrahmen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883589A (en) * 1930-12-18 1932-10-18 Associated Electric Lab Inc Telephone system
US2382893A (en) * 1944-08-18 1945-08-14 Bell Telephone Labor Inc Telephone system

Also Published As

Publication number Publication date
GB642542A (en) 1950-09-06
FR962115A (en:Method) 1950-06-02
BE476048A (en:Method)
ES179632A1 (es) 1947-10-16
NL72119C (en:Method)
CH289546A (fr) 1953-03-15
GB642528A (en) 1950-09-06
BE480488A (en:Method)
CH296198A (fr) 1954-01-31
CH291943A (fr) 1953-07-15
GB642527A (en) 1950-09-06
US2633501A (en) 1953-03-31
CH285306A (fr) 1952-08-31
FR66206E (fr) 1956-06-05
NL75429C (en:Method)
BE476759A (en:Method)
GB642541A (en) 1950-09-06
FR66301E (fr) 1956-06-29
FR57780E (fr) 1953-09-09

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