NL78568C - - Google Patents

Info

Publication number
NL78568C
NL78568C NL176344A NL176344A NL78568C NL 78568 C NL78568 C NL 78568C NL 176344 A NL176344 A NL 176344A NL 176344 A NL176344 A NL 176344A NL 78568 C NL78568 C NL 78568C
Authority
NL
Netherlands
Application number
NL176344A
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of NL78568C publication Critical patent/NL78568C/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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
NL176344A 1952-02-25 1953-02-24 NL78568C (ja)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL78568C true NL78568C (ja) 1955-07-15

Family

ID=20419692

Family Applications (1)

Application Number Title Priority Date Filing Date
NL176344A NL78568C (ja) 1952-02-25 1953-02-24

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
US2732434A (en) 1956-01-24
GB731196A (en) 1955-06-01
BE517903A (ja)
FR1079055A (fr) 1954-11-25

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