FR824815A - Improvements to mercury cathode discharge tubes - Google Patents

Improvements to mercury cathode discharge tubes

Info

Publication number
FR824815A
FR824815A FR824815DA FR824815A FR 824815 A FR824815 A FR 824815A FR 824815D A FR824815D A FR 824815DA FR 824815 A FR824815 A FR 824815A
Authority
FR
France
Prior art keywords
discharge tubes
cathode discharge
mercury cathode
mercury
tubes
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 FR824815A publication Critical patent/FR824815A/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
    • 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
    • H01J2893/0075—Cathodic cups
FR824815D 1936-07-28 1937-07-26 Improvements to mercury cathode discharge tubes Expired FR824815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE824815X 1936-07-28

Publications (1)

Publication Number Publication Date
FR824815A true FR824815A (en) 1938-02-17

Family

ID=6747370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824815D Expired FR824815A (en) 1936-07-28 1937-07-26 Improvements to mercury cathode discharge tubes

Country Status (1)

Country Link
FR (1) FR824815A (en)

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