FR623628A - Incandescent filament-free discharge tube and method of manufacture - Google Patents

Incandescent filament-free discharge tube and method of manufacture

Info

Publication number
FR623628A
FR623628A FR623628DA FR623628A FR 623628 A FR623628 A FR 623628A FR 623628D A FR623628D A FR 623628DA FR 623628 A FR623628 A FR 623628A
Authority
FR
France
Prior art keywords
manufacture
discharge tube
incandescent filament
free discharge
incandescent
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)
Inventor
Gaston Prioux
Roger Thommes
Joseph-Michel Chateau
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 filed Critical
Application granted granted Critical
Publication of FR623628A publication Critical patent/FR623628A/en
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
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • 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
FR623628D 1926-10-23 1926-10-23 Incandescent filament-free discharge tube and method of manufacture Expired FR623628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623628T 1926-10-23

Publications (1)

Publication Number Publication Date
FR623628A true FR623628A (en) 1927-06-28

Family

ID=8986570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623628D Expired FR623628A (en) 1926-10-23 1926-10-23 Incandescent filament-free discharge tube and method of manufacture

Country Status (1)

Country Link
FR (1) FR623628A (en)

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