FR1107735A - Système de commutation téléphonique - Google Patents

Système de commutation téléphonique

Info

Publication number
FR1107735A
FR1107735A FR1107735DA FR1107735A FR 1107735 A FR1107735 A FR 1107735A FR 1107735D A FR1107735D A FR 1107735DA FR 1107735 A FR1107735 A FR 1107735A
Authority
FR
France
Prior art keywords
switching system
telephone switching
telephone
switching
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)
Inventor
Pierre Le Gall
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 FR1107735A publication Critical patent/FR1107735A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
    • 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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR1107735D 1954-06-28 1954-06-28 Système de commutation téléphonique Expired FR1107735A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1107735T 1954-06-28

Publications (1)

Publication Number Publication Date
FR1107735A true FR1107735A (fr) 1956-01-04

Family

ID=9624620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1107735D Expired FR1107735A (fr) 1954-06-28 1954-06-28 Système de commutation téléphonique

Country Status (1)

Country Link
FR (1) FR1107735A (fr)

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