FR971697A - Crossbar switch for automatic telephone systems - Google Patents

Crossbar switch for automatic telephone systems

Info

Publication number
FR971697A
FR971697A FR971697DA FR971697A FR 971697 A FR971697 A FR 971697A FR 971697D A FR971697D A FR 971697DA FR 971697 A FR971697 A FR 971697A
Authority
FR
France
Prior art keywords
crossbar switch
telephone systems
automatic telephone
automatic
crossbar
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR971697A publication Critical patent/FR971697A/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
FR971697D 1947-09-18 1948-09-16 Crossbar switch for automatic telephone systems Expired FR971697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL971697X 1947-09-18

Publications (1)

Publication Number Publication Date
FR971697A true FR971697A (en) 1951-01-19

Family

ID=19866274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971697D Expired FR971697A (en) 1947-09-18 1948-09-16 Crossbar switch for automatic telephone systems

Country Status (1)

Country Link
FR (1) FR971697A (en)

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