FR971802A - Crossbar switches for automatic telephone systems - Google Patents

Crossbar switches for automatic telephone systems

Info

Publication number
FR971802A
FR971802A FR971802DA FR971802A FR 971802 A FR971802 A FR 971802A FR 971802D A FR971802D A FR 971802DA FR 971802 A FR971802 A FR 971802A
Authority
FR
France
Prior art keywords
telephone systems
automatic telephone
crossbar switches
crossbar
switches
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 FR971802A publication Critical patent/FR971802A/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
FR971802D 1947-09-19 1948-09-17 Crossbar switches for automatic telephone systems Expired FR971802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL971802X 1947-09-19

Publications (1)

Publication Number Publication Date
FR971802A true FR971802A (en) 1951-01-22

Family

ID=19866276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971802D Expired FR971802A (en) 1947-09-19 1948-09-17 Crossbar switches for automatic telephone systems

Country Status (1)

Country Link
FR (1) FR971802A (en)

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