FR2274133A1 - Systeme de commutation electrique selective - Google Patents

Systeme de commutation electrique selective

Info

Publication number
FR2274133A1
FR2274133A1 FR7419789A FR7419789A FR2274133A1 FR 2274133 A1 FR2274133 A1 FR 2274133A1 FR 7419789 A FR7419789 A FR 7419789A FR 7419789 A FR7419789 A FR 7419789A FR 2274133 A1 FR2274133 A1 FR 2274133A1
Authority
FR
France
Prior art keywords
matrix
pole pieces
electromagnetic switching
ferromagnetic pole
switch arm
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.)
Granted
Application number
FR7419789A
Other languages
English (en)
French (fr)
Other versions
FR2274133B1 (xx
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.)
UNIVERSAL TELEWRITERS UK Ltd
Original Assignee
UNIVERSAL TELEWRITERS UK Ltd
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 UNIVERSAL TELEWRITERS UK Ltd filed Critical UNIVERSAL TELEWRITERS UK Ltd
Priority to FR7419789A priority Critical patent/FR2274133A1/fr
Publication of FR2274133A1 publication Critical patent/FR2274133A1/fr
Application granted granted Critical
Publication of FR2274133B1 publication Critical patent/FR2274133B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FR7419789A 1974-06-07 1974-06-07 Systeme de commutation electrique selective Granted FR2274133A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419789A FR2274133A1 (fr) 1974-06-07 1974-06-07 Systeme de commutation electrique selective

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419789A FR2274133A1 (fr) 1974-06-07 1974-06-07 Systeme de commutation electrique selective

Publications (2)

Publication Number Publication Date
FR2274133A1 true FR2274133A1 (fr) 1976-01-02
FR2274133B1 FR2274133B1 (xx) 1980-05-23

Family

ID=9139778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419789A Granted FR2274133A1 (fr) 1974-06-07 1974-06-07 Systeme de commutation electrique selective

Country Status (1)

Country Link
FR (1) FR2274133A1 (xx)

Also Published As

Publication number Publication date
FR2274133B1 (xx) 1980-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse