BE476048A - - Google Patents

Info

Publication number
BE476048A
BE476048A BE476048DA BE476048A BE 476048 A BE476048 A BE 476048A BE 476048D A BE476048D A BE 476048DA BE 476048 A BE476048 A BE 476048A
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 BE476048A publication Critical patent/BE476048A/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)
  • Selective Calling Equipment (AREA)
  • Meter Arrangements (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Exchange Systems With Centralized Control (AREA)
BE476048D 1946-03-09 BE476048A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE476048A true BE476048A (de)

Family

ID=10277091

Family Applications (4)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE476939D BE476939A (de) 1946-03-09

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE476759D BE476759A (de) 1946-03-09
BE480488D BE480488A (de) 1946-03-09

Country Status (7)

Country Link
US (1) US2633501A (de)
BE (4) BE480488A (de)
CH (4) CH291943A (de)
ES (1) ES179632A1 (de)
FR (4) FR57780E (de)
GB (4) GB642527A (de)
NL (2) NL72119C (de)

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
GB642541A (en) 1950-09-06
CH296198A (fr) 1954-01-31
FR66206E (fr) 1956-06-05
GB642528A (en) 1950-09-06
NL75429C (de)
NL72119C (de)
ES179632A1 (es) 1947-10-16
CH285306A (fr) 1952-08-31
FR57780E (fr) 1953-09-09
BE476759A (de)
BE480488A (de)
FR66301E (fr) 1956-06-29
CH289546A (fr) 1953-03-15
US2633501A (en) 1953-03-31
GB642527A (en) 1950-09-06
BE476939A (de)
GB642542A (en) 1950-09-06
FR962115A (de) 1950-06-02
CH291943A (fr) 1953-07-15

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