BE517903A - - Google Patents

Info

Publication number
BE517903A
BE517903A BE517903DA BE517903A BE 517903 A BE517903 A BE 517903A BE 517903D A BE517903D A BE 517903DA BE 517903 A BE517903 A BE 517903A
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 BE517903A publication Critical patent/BE517903A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • H01H50/40—Branched or multiple-limb main magnetic circuits
    • 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
    • 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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE517903D 1952-02-25 BE517903A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1079055X 1952-02-25

Publications (1)

Publication Number Publication Date
BE517903A true BE517903A (ja)

Family

ID=20419692

Family Applications (1)

Application Number Title Priority Date Filing Date
BE517903D BE517903A (ja) 1952-02-25

Country Status (5)

Country Link
US (1) US2732434A (ja)
BE (1) BE517903A (ja)
FR (1) FR1079055A (ja)
GB (1) GB731196A (ja)
NL (1) NL78568C (ja)

Also Published As

Publication number Publication date
GB731196A (en) 1955-06-01
FR1079055A (fr) 1954-11-25
NL78568C (ja) 1955-07-15
US2732434A (en) 1956-01-24

Similar Documents

Publication Publication Date Title
DE1070268B (ja)
DE1268389C2 (ja)
FR1005044A (ja)
FR55302E (ja)
BE528335A (ja)
BE520324A (ja)
BE509554A (ja)
BE509861A (ja)
NL78568C (ja)
BE511065A (ja)
BE512374A (ja)
BE516703A (ja)
BE516831A (ja)
BE516933A (ja)
BE517047A (ja)
BE517371A (ja)
BE518419A (ja)
BE518612A (ja)
BE518728A (ja)
BE518815A (ja)
BE518926A (ja)
BE519482A (ja)
BE519501A (ja)
BE519708A (ja)
BE520218A (ja)