FR847408A - Pressurized vapor discharge lamp with fixed glowing electrodes - Google Patents

Pressurized vapor discharge lamp with fixed glowing electrodes

Info

Publication number
FR847408A
FR847408A FR847408DA FR847408A FR 847408 A FR847408 A FR 847408A FR 847408D A FR847408D A FR 847408DA FR 847408 A FR847408 A FR 847408A
Authority
FR
France
Prior art keywords
fixed
discharge lamp
vapor discharge
pressurized vapor
glowing electrodes
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 FR847408A publication Critical patent/FR847408A/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR847408D 1937-12-24 1938-12-12 Pressurized vapor discharge lamp with fixed glowing electrodes Expired FR847408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937P0076473 DE687086C (en) 1937-12-24 1937-12-24 Overpressure vapor discharge lamp with fixed glow light than 20 atmospheres

Publications (1)

Publication Number Publication Date
FR847408A true FR847408A (en) 1939-10-10

Family

ID=29557185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847408D Expired FR847408A (en) 1937-12-24 1938-12-12 Pressurized vapor discharge lamp with fixed glowing electrodes

Country Status (4)

Country Link
CH (1) CH206032A (en)
DE (1) DE687086C (en)
FR (1) FR847408A (en)
GB (1) GB503112A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976223C (en) * 1949-08-21 1963-06-12 Patra Patent Treuhand Electric high-pressure gas discharge lamp for direct current operation with fixed glow electrodes
US2731581A (en) * 1950-12-18 1956-01-17 Krefft Hermann Eduard Electrode for gaseous discharge lamps
DE1047312B (en) * 1953-03-21 1958-12-24 Johann Buser Discharge-heated sheathed glow electrode for electric gas and vapor discharge lamps, especially for high and high pressure mercury vapor burners
EP0126503B1 (en) * 1983-04-22 1988-07-27 Koninklijke Philips Electronics N.V. High-pressure discharge lamp

Also Published As

Publication number Publication date
CH206032A (en) 1939-07-15
GB503112A (en) 1939-03-31
DE687086C (en) 1940-01-22

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