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FR786957A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR786957A
FR786957A FR786957DA FR786957A FR 786957 A FR786957 A FR 786957A FR 786957D A FR786957D A FR 786957DA FR 786957 A FR786957 A FR 786957A
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 FR786957A publication Critical patent/FR786957A/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
    • 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
FR786957D 1934-03-05 1935-03-08 Improvements to discharge tubes Expired FR786957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6967/34A GB434598A (en) 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices

Publications (1)

Publication Number Publication Date
FR786957A true FR786957A (en) 1935-09-14

Family

ID=9824107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786957D Expired FR786957A (en) 1934-03-05 1935-03-08 Improvements to discharge tubes

Country Status (3)

Country Link
US (1) US2042195A (en)
FR (1) FR786957A (en)
GB (1) GB434598A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659833A (en) * 1949-11-09 1953-11-17 Hanovia Chemical & Mfg Co Ultraviolet vapor electric discharge device
US2732513A (en) * 1952-01-31 1956-01-24 anderson
NL93096C (en) * 1953-04-08
US2892113A (en) * 1958-05-12 1959-06-23 Engelhard Ind Inc Electrical discharge lamp
US3405303A (en) * 1964-12-29 1968-10-08 Sylvania Electric Prod Arc discharge tube having an electrode which contains a light-emitting metal
HU179748B (en) * 1974-01-15 1982-12-28 Ferenc Puskas Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof

Also Published As

Publication number Publication date
US2042195A (en) 1936-05-26
GB434598A (en) 1935-09-05

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