GB2265251B - Arc tube for discharge lamp unit - Google Patents

Arc tube for discharge lamp unit

Info

Publication number
GB2265251B
GB2265251B GB9304914A GB9304914A GB2265251B GB 2265251 B GB2265251 B GB 2265251B GB 9304914 A GB9304914 A GB 9304914A GB 9304914 A GB9304914 A GB 9304914A GB 2265251 B GB2265251 B GB 2265251B
Authority
GB
United Kingdom
Prior art keywords
discharge lamp
lamp unit
arc tube
arc
tube
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
GB9304914A
Other languages
English (en)
Other versions
GB9304914D0 (en
GB2265251A (en
Inventor
Shinichi Irisawa
Yasuyoshi Numajiri
Kunimasa Mochiduki
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of GB9304914D0 publication Critical patent/GB9304914D0/en
Publication of GB2265251A publication Critical patent/GB2265251A/en
Application granted granted Critical
Publication of GB2265251B publication Critical patent/GB2265251B/en
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
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
GB9304914A 1992-03-17 1993-03-10 Arc tube for discharge lamp unit Expired - Fee Related GB2265251B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4060577A JP2878520B2 (ja) 1992-03-17 1992-03-17 放電ランプ装置用アークチューブ

Publications (3)

Publication Number Publication Date
GB9304914D0 GB9304914D0 (en) 1993-04-28
GB2265251A GB2265251A (en) 1993-09-22
GB2265251B true GB2265251B (en) 1995-08-23

Family

ID=13146245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304914A Expired - Fee Related GB2265251B (en) 1992-03-17 1993-03-10 Arc tube for discharge lamp unit

Country Status (5)

Country Link
US (1) US5402037A (https=)
JP (1) JP2878520B2 (https=)
DE (1) DE4308217C2 (https=)
FR (1) FR2688936B1 (https=)
GB (1) GB2265251B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100349800B1 (ko) * 1994-06-21 2002-12-18 우시오덴키 가부시키가이샤 방전램프
US6084351A (en) * 1996-09-06 2000-07-04 Matsushita Electric Industrial Co., Ltd. Metal halide lamp and temperature control system therefor
JP2000188085A (ja) * 1998-12-22 2000-07-04 Ushio Inc 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
JP2003168391A (ja) * 2001-09-20 2003-06-13 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
JP2003100251A (ja) * 2001-09-27 2003-04-04 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
JP2003173763A (ja) * 2001-09-28 2003-06-20 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
DE10217480A1 (de) * 2002-04-19 2003-11-06 Philips Intellectual Property Gasentladungslampe
JP2004172056A (ja) 2002-11-22 2004-06-17 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
JP4553736B2 (ja) 2002-12-20 2010-09-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高圧ガス放電ランプ及び高圧ガス放電ランプを備えた照明ユニット
US7207096B2 (en) * 2004-01-22 2007-04-24 International Business Machines Corporation Method of manufacturing high performance copper inductors with bond pads
JP4842949B2 (ja) 2004-09-02 2011-12-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 最適化された塩充填物を有する放電ランプ
JP2013232311A (ja) * 2012-04-27 2013-11-14 Iwasaki Electric Co Ltd メタルハライドランプ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216334A (en) * 1988-02-18 1989-10-04 Gen Electric Light source
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524337A (en) * 1978-08-10 1980-02-21 Ushio Inc Gas discharge lamp
US4247798A (en) * 1979-04-03 1981-01-27 Thorn Emi Limited Mercury-metal halide discharge lamp
US4935668A (en) * 1988-02-18 1990-06-19 General Electric Company Metal halide lamp having vacuum shroud for improved performance
US5126619A (en) * 1990-07-20 1992-06-30 Koito Manufacturing Co., Ltd. Discharge lamp unit
US5250872A (en) * 1990-07-20 1993-10-05 Koito Manufacturing Co., Ltd. Discharge lamp unit having improved discharge tube mount
JP2619578B2 (ja) * 1991-12-09 1997-06-11 株式会社小糸製作所 アークチューブ用電極アッシー及びその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216334A (en) * 1988-02-18 1989-10-04 Gen Electric Light source
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Lamps and lighting" 3rd Edition, Cayless and Marsden, pages210-223, pub Edward Arnold, 1983 *

Also Published As

Publication number Publication date
DE4308217A1 (https=) 1993-09-23
GB9304914D0 (en) 1993-04-28
JP2878520B2 (ja) 1999-04-05
FR2688936B1 (fr) 1997-08-01
US5402037A (en) 1995-03-28
FR2688936A1 (fr) 1993-09-24
GB2265251A (en) 1993-09-22
JPH05266862A (ja) 1993-10-15
DE4308217C2 (de) 2001-05-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060310