FR58724E - Crossbar switch for automatic telephone systems - Google Patents

Crossbar switch for automatic telephone systems

Info

Publication number
FR58724E
FR58724E FR58724DA FR58724E FR 58724 E FR58724 E FR 58724E FR 58724D A FR58724D A FR 58724DA FR 58724 E FR58724 E FR 58724E
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 FR58724E publication Critical patent/FR58724E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00Electrically-operated selector switches
    • H01H67/22Switches without multi-position wipers
    • H01H67/26Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
FR58724D 1948-09-14 1948-09-14 Crossbar switch for automatic telephone systems Expired FR58724E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR58724T 1948-09-14

Publications (1)

Publication Number Publication Date
FR58724E true FR58724E (en) 1954-03-22

Family

ID=8692597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58724D Expired FR58724E (en) 1948-09-14 1948-09-14 Crossbar switch for automatic telephone systems

Country Status (1)

Country Link
FR (1) FR58724E (en)

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