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FR1039914A - Tube indicateur à lueur - Google Patents

Tube indicateur à lueur

Info

Publication number
FR1039914A
FR1039914A FR1039914DA FR1039914A FR 1039914 A FR1039914 A FR 1039914A FR 1039914D A FR1039914D A FR 1039914DA FR 1039914 A FR1039914 A FR 1039914A
Authority
FR
France
Prior art keywords
indicator tube
glow indicator
glow
tube
indicator
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.)
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 FR1039914A publication Critical patent/FR1039914A/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
    • H01J17/48—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
    • 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
    • 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
FR1039914D 1950-07-19 1951-07-17 Tube indicateur à lueur Expired FR1039914A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1039914X 1950-07-19

Publications (1)

Publication Number Publication Date
FR1039914A true FR1039914A (fr) 1953-10-12

Family

ID=19867602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1039914D Expired FR1039914A (fr) 1950-07-19 1951-07-17 Tube indicateur à lueur

Country Status (1)

Country Link
FR (1) FR1039914A (fr)

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