FR870111A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR870111A
FR870111A FR870111DA FR870111A FR 870111 A FR870111 A FR 870111A FR 870111D A FR870111D A FR 870111DA FR 870111 A FR870111 A FR 870111A
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 FR870111A publication Critical patent/FR870111A/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
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
FR870111D 1940-02-17 1941-02-17 Improvements to discharge tubes Expired FR870111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3051/40A GB539382A (en) 1940-02-17 1940-02-17 Improvements relating to the operation of electric discharge lamps

Publications (1)

Publication Number Publication Date
FR870111A true FR870111A (en) 1942-03-03

Family

ID=9751033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870111D Expired FR870111A (en) 1940-02-17 1941-02-17 Improvements to discharge tubes

Country Status (3)

Country Link
US (1) US2329584A (en)
FR (1) FR870111A (en)
GB (1) GB539382A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267322A (en) * 1961-02-23 1966-08-16 Varian Associates Frequency stable temperature compensated electron tube
US3295406A (en) * 1963-02-21 1967-01-03 Genevieve I Magnuson Color grading apparatus
US3560787A (en) * 1967-08-21 1971-02-02 Clay Burton Flash lamp
CH631950A5 (en) * 1978-06-07 1982-09-15 Bbc Brown Boveri & Cie DEVICE FOR DISinfecting LIQUIDS, IN PARTICULAR WATER, BY means of ULTRAVIOLETTER RAYS.
JPS62100994A (en) * 1985-10-28 1987-05-11 東芝ライテック株式会社 High voltage discharge lamp burner
CN101421819B (en) * 2004-04-21 2010-06-16 皇家飞利浦电子股份有限公司 Lighting unit

Also Published As

Publication number Publication date
GB539382A (en) 1941-09-08
US2329584A (en) 1943-09-14

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