FR1116727A - Electric discharge lamp - Google Patents

Electric discharge lamp

Info

Publication number
FR1116727A
FR1116727A FR1116727DA FR1116727A FR 1116727 A FR1116727 A FR 1116727A FR 1116727D A FR1116727D A FR 1116727DA FR 1116727 A FR1116727 A FR 1116727A
Authority
FR
France
Prior art keywords
discharge lamp
electric discharge
electric
lamp
discharge
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of FR1116727A publication Critical patent/FR1116727A/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
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
FR1116727D 1954-01-05 1954-12-31 Electric discharge lamp Expired FR1116727A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1116727X 1954-01-05

Publications (1)

Publication Number Publication Date
FR1116727A true FR1116727A (en) 1956-05-11

Family

ID=10875268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116727D Expired FR1116727A (en) 1954-01-05 1954-12-31 Electric discharge lamp

Country Status (1)

Country Link
FR (1) FR1116727A (en)

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