FR822797A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR822797A
FR822797A FR822797DA FR822797A FR 822797 A FR822797 A FR 822797A FR 822797D A FR822797D A FR 822797DA FR 822797 A FR822797 A FR 822797A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR822797A publication Critical patent/FR822797A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
FR822797D 1936-06-08 1937-06-08 Improvements to discharge tubes Expired FR822797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1600236A GB476260A (en) 1936-06-08 1936-06-08 Improvements in and relating to electric discharge devices

Publications (1)

Publication Number Publication Date
FR822797A true FR822797A (en) 1938-01-07

Family

ID=10069420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822797D Expired FR822797A (en) 1936-06-08 1937-06-08 Improvements to discharge tubes

Country Status (2)

Country Link
FR (1) FR822797A (en)
GB (1) GB476260A (en)

Also Published As

Publication number Publication date
GB476260A (en) 1937-12-06

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