FR703530A - Luminescent electric tube - Google Patents

Luminescent electric tube

Info

Publication number
FR703530A
FR703530A FR703530DA FR703530A FR 703530 A FR703530 A FR 703530A FR 703530D A FR703530D A FR 703530DA FR 703530 A FR703530 A FR 703530A
Authority
FR
France
Prior art keywords
electric tube
luminescent electric
luminescent
tube
electric
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles 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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR703530A publication Critical patent/FR703530A/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
    • H01J61/523—Heating or cooling particular parts of the lamp
FR703530D 1930-01-12 1930-10-09 Luminescent electric tube Expired FR703530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE518948T 1930-01-12

Publications (1)

Publication Number Publication Date
FR703530A true FR703530A (en) 1931-05-01

Family

ID=34085408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703530D Expired FR703530A (en) 1930-01-12 1930-10-09 Luminescent electric tube

Country Status (7)

Country Link
US (1) US1930132A (en)
AT (1) AT124034B (en)
CH (1) CH148905A (en)
DE (1) DE518948C (en)
FR (1) FR703530A (en)
GB (1) GB363092A (en)
NL (1) NL33743C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621296A (en) * 1944-09-02 1952-12-09 Robert W Thompson Ion source
GB835183A (en) * 1957-05-07 1960-05-18 Philips Electrical Ind Ltd Improvements in or relating to low-pressure mercury vapour discharge tubes
US3482141A (en) * 1967-12-07 1969-12-02 Henry Greber Gas discharge lamp with a movable baffle adjacent one electrode
US3531687A (en) * 1968-10-17 1970-09-29 Henry Greber Gas discharge tube with a movable baffle between the electrodes
US4278910A (en) * 1979-08-06 1981-07-14 Gte Products Corporation High pressure arc discharge lamp having concave shaped outer jacket
US4508993A (en) * 1981-11-25 1985-04-02 General Electric Company Fluorescent lamp without ballast
US7619350B2 (en) * 2006-08-29 2009-11-17 Osram Sylvania Inc. Arc discharge vessel having arc centering structure and lamp containing same

Also Published As

Publication number Publication date
US1930132A (en) 1933-10-10
CH148905A (en) 1931-08-15
GB363092A (en) 1931-12-17
AT124034B (en) 1931-08-10
NL33743C (en)
DE518948C (en) 1931-02-21

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