DE69817290D1 - Miniatur-Projektionslampe - Google Patents

Miniatur-Projektionslampe

Info

Publication number
DE69817290D1
DE69817290D1 DE69817290T DE69817290T DE69817290D1 DE 69817290 D1 DE69817290 D1 DE 69817290D1 DE 69817290 T DE69817290 T DE 69817290T DE 69817290 T DE69817290 T DE 69817290T DE 69817290 D1 DE69817290 D1 DE 69817290D1
Authority
DE
Germany
Prior art keywords
projection lamp
miniature projection
miniature
lamp
projection
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 - Fee Related
Application number
DE69817290T
Other languages
English (en)
Other versions
DE69817290T2 (de
Inventor
Douglas M Rutan
Diane M Salvati
Timothy W Graham
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.)
Welch Allyn Inc
Original Assignee
Welch Allyn Inc
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 Welch Allyn Inc filed Critical Welch Allyn Inc
Publication of DE69817290D1 publication Critical patent/DE69817290D1/de
Application granted granted Critical
Publication of DE69817290T2 publication Critical patent/DE69817290T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J61/84—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
DE69817290T 1997-09-24 1998-05-26 Miniatur-Projektionslampe Expired - Fee Related DE69817290T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US935473 1997-09-24
US08/935,473 US5942850A (en) 1997-09-24 1997-09-24 Miniature projection lamp

Publications (2)

Publication Number Publication Date
DE69817290D1 true DE69817290D1 (de) 2003-09-25
DE69817290T2 DE69817290T2 (de) 2004-06-17

Family

ID=25467201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817290T Expired - Fee Related DE69817290T2 (de) 1997-09-24 1998-05-26 Miniatur-Projektionslampe

Country Status (5)

Country Link
US (1) US5942850A (de)
EP (1) EP0910111B1 (de)
JP (1) JPH11126580A (de)
CA (1) CA2239319A1 (de)
DE (1) DE69817290T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11238488A (ja) 1997-06-06 1999-08-31 Toshiba Lighting & Technology Corp メタルハライド放電ランプ、メタルハライド放電ランプ点灯装置および照明装置
US20060255741A1 (en) * 1997-06-06 2006-11-16 Harison Toshiba Lighting Corporation Lightening device for metal halide discharge lamp
JP3233393B2 (ja) * 1997-10-13 2001-11-26 松下電器産業株式会社 メタルハライドランプ
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
JP3655126B2 (ja) * 1999-06-14 2005-06-02 株式会社小糸製作所 メタルハライドランプ
JP3324584B2 (ja) 1999-10-20 2002-09-17 松下電器産業株式会社 放電灯の製造方法
EP1149406B1 (de) 1999-11-11 2006-08-02 Koninklijke Philips Electronics N.V. Hochdruckentladungslampe
US6495844B1 (en) * 2000-01-25 2002-12-17 Welch Allyn, Inc. Metal halide lamp for curing adhesives
CN1217372C (zh) * 2000-06-26 2005-08-31 松下电器产业株式会社 放电灯的制造方法
US6369522B1 (en) * 2000-06-30 2002-04-09 General Electric Company Metal halide lamp lumen depreciation improvement
US6796869B1 (en) * 2000-12-28 2004-09-28 General Electric Company Ceramic arc tube by annealing
DE10242203A1 (de) * 2002-09-10 2004-03-18 Philips Intellectual Property & Standards Gmbh Hochdruckentladungslampe mit verbesserter Farbortstabilität und hoher Lichtausbeute
US6888312B2 (en) 2002-12-13 2005-05-03 Welch Allyn, Inc. Metal halide lamp for curing adhesives
WO2006017270A2 (en) 2004-07-13 2006-02-16 Advanced Lighting Technologies Inc. Krypton metal halide lamps
JP4752478B2 (ja) * 2005-12-13 2011-08-17 ウシオ電機株式会社 光源装置
JP2009510710A (ja) * 2005-12-27 2009-03-12 アドバンスド ライティング テクノロジイズ，インコーポレイティド プロジェクション光源及びその製造法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161672A (en) * 1977-07-05 1979-07-17 General Electric Company High pressure metal vapor discharge lamps of improved efficacy
US4199701A (en) * 1978-08-10 1980-04-22 General Electric Company Fill gas for miniature high pressure metal vapor arc lamp
NL184550C (nl) * 1982-12-01 1989-08-16 Philips Nv Gasontladingslamp.
US4766348A (en) * 1983-06-09 1988-08-23 Gte Products Corporation Single-ended metal halogen lamp and fabrication process employing ionization potential selection of additive gases
US4884009A (en) * 1987-12-18 1989-11-28 Gte Products Corporation Color selectable source for pulsed arc discharge lamps
DE3813421A1 (de) * 1988-04-21 1989-11-02 Philips Patentverwaltung Hochdruck-quecksilberdampfentladungslampe
US4968916A (en) * 1989-09-08 1990-11-06 General Electric Company Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure
DE4030202A1 (de) * 1990-09-24 1992-03-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenid-hochdruckentladungslampe
DE4327534A1 (de) * 1993-08-16 1995-02-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidentladungslampe für fotooptische Zwecke
US5451838A (en) * 1994-03-03 1995-09-19 Hamamatsu Photonics K.K. Metal halide lamp

Also Published As

Publication number Publication date
CA2239319A1 (en) 1999-03-24
US5942850A (en) 1999-08-24
EP0910111A3 (de) 1999-11-03
JPH11126580A (ja) 1999-05-11
DE69817290T2 (de) 2004-06-17
EP0910111A2 (de) 1999-04-21
EP0910111B1 (de) 2003-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee