FR641921A - Improvements to multi-electrode lamps - Google Patents

Improvements to multi-electrode lamps

Info

Publication number
FR641921A
FR641921A FR641921DA FR641921A FR 641921 A FR641921 A FR 641921A FR 641921D A FR641921D A FR 641921DA FR 641921 A FR641921 A FR 641921A
Authority
FR
France
Prior art keywords
electrode lamps
lamps
electrode
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR641921A publication Critical patent/FR641921A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
FR641921D 1927-03-16 1927-03-16 Improvements to multi-electrode lamps Expired FR641921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641921T 1927-03-16

Publications (1)

Publication Number Publication Date
FR641921A true FR641921A (en) 1928-08-13

Family

ID=8998483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641921D Expired FR641921A (en) 1927-03-16 1927-03-16 Improvements to multi-electrode lamps

Country Status (1)

Country Link
FR (1) FR641921A (en)

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