BE766988A - Perfectionnements aux ou relatifs aux lampes a arc court - Google Patents

Perfectionnements aux ou relatifs aux lampes a arc court

Info

Publication number
BE766988A
BE766988A BE766988A BE766988A BE766988A BE 766988 A BE766988 A BE 766988A BE 766988 A BE766988 A BE 766988A BE 766988 A BE766988 A BE 766988A BE 766988 A BE766988 A BE 766988A
Authority
BE
Belgium
Prior art keywords
relating
short arc
arc lamps
lamps
short
Prior art date
Application number
BE766988A
Other languages
English (en)
Inventor
T C Retzer
J P Kearney
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BE766988A publication Critical patent/BE766988A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
BE766988A 1970-05-11 1971-05-11 Perfectionnements aux ou relatifs aux lampes a arc court BE766988A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3625370A 1970-05-11 1970-05-11

Publications (1)

Publication Number Publication Date
BE766988A true BE766988A (fr) 1971-11-12

Family

ID=21887551

Family Applications (1)

Application Number Title Priority Date Filing Date
BE766988A BE766988A (fr) 1970-05-11 1971-05-11 Perfectionnements aux ou relatifs aux lampes a arc court

Country Status (3)

Country Link
US (1) US3706000A (fr)
BE (1) BE766988A (fr)
DE (1) DE2122122A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988626A (en) * 1975-05-12 1976-10-26 Eprad Incorporated Magnetically stabilized xenon arc lamp
DE3716485C1 (de) * 1987-05-16 1988-11-24 Heraeus Gmbh W C Xenon-Kurzbogen-Entladungslampe
JP3020397B2 (ja) * 1992-11-20 2000-03-15 ウシオ電機株式会社 ショートアーク型カドミウム希ガス放電ランプおよびこれを搭載した投影露光装置
JP2775694B2 (ja) * 1993-05-07 1998-07-16 ウシオ電機株式会社 放電ランプ
DE9415217U1 (de) * 1994-09-21 1996-01-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Hochdruckentladungslampe
JPH1074489A (ja) * 1996-08-30 1998-03-17 Matsushita Electron Corp メタルハライドランプ
DE19649736A1 (de) * 1996-11-30 1998-06-04 Daimler Benz Aerospace Ag Sonnensimulator mit ausserachsialem Ellipsoidspiegelsegment
US6179448B1 (en) 1998-02-18 2001-01-30 Micron Technology, Inc. Automated light tuner
JP3065581B2 (ja) * 1998-03-24 2000-07-17 ウシオ電機株式会社 ショートアーク型水銀ランプ、および紫外線発光装置
DE20005764U1 (de) * 2000-03-30 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kurzbogenlampe
DE10063938A1 (de) 2000-12-20 2002-07-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kurzbogen-Hochdruckentladungslampe für digitale Projektionstechniken
US7489082B2 (en) * 2004-08-12 2009-02-10 Koninklijke Philips Electronics N.V. Xenon lamps having enhanced light output and elliptical envelope
US8109981B2 (en) 2005-01-25 2012-02-07 Valam Corporation Optical therapies and devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965790A (en) * 1949-08-20 1960-12-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure gas lamp
US2714687A (en) * 1950-08-02 1955-08-02 Gen Electric High pressure mercury vapor electric discharge lamps
US2990490A (en) * 1958-02-10 1961-06-27 Engelhard Hanovia Inc Gaseous electric discharge lamp

Also Published As

Publication number Publication date
US3706000A (en) 1972-12-12
DE2122122A1 (de) 1971-11-25

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