FR786388A - Mercury vapor discharge tube with artificial cooling - Google Patents

Mercury vapor discharge tube with artificial cooling

Info

Publication number
FR786388A
FR786388A FR786388DA FR786388A FR 786388 A FR786388 A FR 786388A FR 786388D A FR786388D A FR 786388DA FR 786388 A FR786388 A FR 786388A
Authority
FR
France
Prior art keywords
discharge tube
mercury vapor
vapor discharge
artificial cooling
artificial
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR786388A publication Critical patent/FR786388A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
FR786388D 1934-11-06 1935-02-27 Mercury vapor discharge tube with artificial cooling Expired FR786388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN37372D DE711871C (en) 1934-11-06 1934-11-06 Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays

Publications (1)

Publication Number Publication Date
FR786388A true FR786388A (en) 1935-09-02

Family

ID=33037646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786388D Expired FR786388A (en) 1934-11-06 1935-02-27 Mercury vapor discharge tube with artificial cooling

Country Status (7)

Country Link
AT (1) AT153368B (en)
CH (1) CH187533A (en)
DE (1) DE711871C (en)
DK (1) DK57199C (en)
FR (1) FR786388A (en)
GB (1) GB431450A (en)
NL (1) NL53679C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875687C (en) * 1938-10-05 1953-05-04 Electricitaets Ges Sanitas M B Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756326C (en) * 1937-02-20 1952-11-17 Ulrich W Doering Electric discharge lamp with basic inert gas filling
DE754219C (en) * 1938-04-24 1954-03-15 Quarzlampen G M B H High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes
DE740922C (en) * 1939-03-21 1943-10-30 Patra Patent Treuhand Arrangement for operating a water-cooled high-pressure mercury discharge lamp
US3363133A (en) * 1966-02-28 1968-01-09 Sylvania Electric Prod Electric discharge device having polycrystalline alumina end caps
NL182439C (en) * 1978-05-23 1988-03-01 Philips Nv SHORT-ARCH DISCHARGE LAMP.
US4581557A (en) * 1979-01-02 1986-04-08 General Electric Company Stabilized high intensity discharge lamp
GB2069228B (en) * 1979-01-02 1983-02-23 Gen Electric Stabilised high intensity discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875687C (en) * 1938-10-05 1953-05-04 Electricitaets Ges Sanitas M B Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc

Also Published As

Publication number Publication date
DE711871C (en) 1941-10-08
AT153368B (en) 1938-05-10
CH187533A (en) 1936-11-15
GB431450A (en) 1935-07-08
DK57199C (en) 1940-01-29
NL53679C (en) 1942-12-15

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