FR980586A - Improvements to discharge lamps - Google Patents

Improvements to discharge lamps

Info

Publication number
FR980586A
FR980586A FR980586DA FR980586A FR 980586 A FR980586 A FR 980586A FR 980586D A FR980586D A FR 980586DA FR 980586 A FR980586 A FR 980586A
Authority
FR
France
Prior art keywords
discharge lamps
lamps
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 FR980586A publication Critical patent/FR980586A/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
FR980586D 1948-02-13 1949-02-10 Improvements to discharge lamps Expired FR980586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB428448A GB660260A (en) 1948-02-13 1948-02-13 Improvements in electric discharge devices

Publications (1)

Publication Number Publication Date
FR980586A true FR980586A (en) 1951-05-15

Family

ID=9774231

Family Applications (2)

Application Number Title Priority Date Filing Date
FR980586D Expired FR980586A (en) 1948-02-13 1949-02-10 Improvements to discharge lamps
FR59318D Expired FR59318E (en) 1948-02-13 1949-05-25 Improvements to discharge lamps

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR59318D Expired FR59318E (en) 1948-02-13 1949-05-25 Improvements to discharge lamps

Country Status (2)

Country Link
FR (2) FR980586A (en)
GB (1) GB660260A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122024B (en) * 1982-05-28 1986-01-29 Gen Electric Co Plc Lamp stems

Also Published As

Publication number Publication date
FR59318E (en) 1954-05-24
GB660260A (en) 1951-11-07

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