FR1079055A - Dispositif d'identification de numéros - Google Patents

Dispositif d'identification de numéros

Info

Publication number
FR1079055A
FR1079055A FR1079055DA FR1079055A FR 1079055 A FR1079055 A FR 1079055A FR 1079055D A FR1079055D A FR 1079055DA FR 1079055 A FR1079055 A FR 1079055A
Authority
FR
France
Prior art keywords
identification device
number identification
identification
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1079055A publication Critical patent/FR1079055A/fr
Expired legal-status Critical Current

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)
FR1079055D 1952-02-25 1953-02-20 Dispositif d'identification de numéros Expired FR1079055A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1079055A true FR1079055A (fr) 1954-11-25

Family

ID=20419692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1079055D Expired FR1079055A (fr) 1952-02-25 1953-02-20 Dispositif d'identification de numéros

Country Status (5)

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

Also Published As

Publication number Publication date
NL78568C (fr) 1955-07-15
US2732434A (en) 1956-01-24
GB731196A (en) 1955-06-01
BE517903A (fr)

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