FR574174A - Tubes luminescents pour courants polyphasés - Google Patents

Tubes luminescents pour courants polyphasés

Info

Publication number
FR574174A
FR574174A FR574174DA FR574174A FR 574174 A FR574174 A FR 574174A FR 574174D A FR574174D A FR 574174DA FR 574174 A FR574174 A FR 574174A
Authority
FR
France
Prior art keywords
polyphase currents
luminescent tubes
luminescent
tubes
polyphase
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
English (en)
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.)
CIE LORRAINE DE CHARBONS
Original Assignee
CIE LORRAINE DE CHARBONS
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 CIE LORRAINE DE CHARBONS filed Critical CIE LORRAINE DE CHARBONS
Application granted granted Critical
Publication of FR574174A publication Critical patent/FR574174A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0067—Electrode assembly without control electrodes, e.g. including a screen
FR574174D 1922-12-14 1923-10-23 Tubes luminescents pour courants polyphasés Expired FR574174A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE574174X 1922-12-14

Publications (1)

Publication Number Publication Date
FR574174A true FR574174A (fr) 1924-07-07

Family

ID=6569445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574174D Expired FR574174A (fr) 1922-12-14 1923-10-23 Tubes luminescents pour courants polyphasés

Country Status (1)

Country Link
FR (1) FR574174A (fr)

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