FR1096749A - Improvements to switching devices for telephone systems - Google Patents

Improvements to switching devices for telephone systems

Info

Publication number
FR1096749A
FR1096749A FR1096749DA FR1096749A FR 1096749 A FR1096749 A FR 1096749A FR 1096749D A FR1096749D A FR 1096749DA FR 1096749 A FR1096749 A FR 1096749A
Authority
FR
France
Prior art keywords
switching devices
telephone systems
telephone
systems
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
French (fr)
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR1096749A publication Critical patent/FR1096749A/en
Expired 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
FR1096749D 1954-02-04 1954-02-04 Improvements to switching devices for telephone systems Expired FR1096749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1096749T 1954-02-04

Publications (1)

Publication Number Publication Date
FR1096749A true FR1096749A (en) 1955-06-23

Family

ID=9618330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1096749D Expired FR1096749A (en) 1954-02-04 1954-02-04 Improvements to switching devices for telephone systems

Country Status (1)

Country Link
FR (1) FR1096749A (en)

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