FR937942A - Discharge tube - Google Patents

Discharge tube

Info

Publication number
FR937942A
FR937942A FR937942DA FR937942A FR 937942 A FR937942 A FR 937942A FR 937942D A FR937942D A FR 937942DA FR 937942 A FR937942 A FR 937942A
Authority
FR
France
Prior art keywords
discharge tube
discharge
tube
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 FR937942A publication Critical patent/FR937942A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/04—Main electrodes; Auxiliary anodes
    • H01J13/06—Cathodes
    • H01J13/14—Cooling, heating, circulating, filtering, or controlling level of the liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0083—Liquid electrode level control
FR937942D 1944-07-08 1946-09-04 Discharge tube Expired FR937942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL937942X 1944-07-08

Publications (1)

Publication Number Publication Date
FR937942A true FR937942A (en) 1948-08-31

Family

ID=19863582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937942D Expired FR937942A (en) 1944-07-08 1946-09-04 Discharge tube

Country Status (1)

Country Link
FR (1) FR937942A (en)

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