GB2245417B - Discharge lamp device - Google Patents

Discharge lamp device

Info

Publication number
GB2245417B
GB2245417B GB9107975A GB9107975A GB2245417B GB 2245417 B GB2245417 B GB 2245417B GB 9107975 A GB9107975 A GB 9107975A GB 9107975 A GB9107975 A GB 9107975A GB 2245417 B GB2245417 B GB 2245417B
Authority
GB
United Kingdom
Prior art keywords
discharge lamp
lamp device
discharge
lamp
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
GB9107975A
Other versions
GB9107975D0 (en
GB2245417A (en
Inventor
Yukio Wakimizu
Yasuyoshi Numajiri
Shinichi Irisawa
Masakazu Nagasawa
Yonemasa Yoshida
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
Priority claimed from JP10289390A external-priority patent/JPH044555A/en
Priority claimed from JP22821690A external-priority patent/JPH0719573B2/en
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of GB9107975D0 publication Critical patent/GB9107975D0/en
Publication of GB2245417A publication Critical patent/GB2245417A/en
Application granted granted Critical
Publication of GB2245417B publication Critical patent/GB2245417B/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • 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
GB9107975A 1990-04-20 1991-04-15 Discharge lamp device Expired - Fee Related GB2245417B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10289390A JPH044555A (en) 1990-04-20 1990-04-20 Discharge lamp device
JP22821690A JPH0719573B2 (en) 1990-08-31 1990-08-31 Discharge lamp device

Publications (3)

Publication Number Publication Date
GB9107975D0 GB9107975D0 (en) 1991-05-29
GB2245417A GB2245417A (en) 1992-01-02
GB2245417B true GB2245417B (en) 1994-06-08

Family

ID=26443581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9107975A Expired - Fee Related GB2245417B (en) 1990-04-20 1991-04-15 Discharge lamp device

Country Status (3)

Country Link
DE (1) DE4112911C2 (en)
FR (1) FR2661275B1 (en)
GB (1) GB2245417B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250872A (en) * 1990-07-20 1993-10-05 Koito Manufacturing Co., Ltd. Discharge lamp unit having improved discharge tube mount
CA2050179A1 (en) * 1990-08-31 1992-03-01 Yukio Wakimizu Vehicular headlamp of the projection type
EP0570068B1 (en) * 1992-05-11 1997-08-06 Koninklijke Philips Electronics N.V. Capped high-pressure discharge lamp
JP2761155B2 (en) * 1992-07-08 1998-06-04 株式会社小糸製作所 Discharge lamp device for light source of automotive lamp
JP2769274B2 (en) * 1993-02-16 1998-06-25 株式会社小糸製作所 Insulating base for discharge lamp device
JP2600052B2 (en) * 1993-08-17 1997-04-16 株式会社旭電気製作所 Discharge tube base for automotive headlamp
DE19752120A1 (en) * 1997-01-31 1998-08-06 Heraeus Noblelight Gmbh Optical beam radiating bulb for ultra violet or infrared
JP3641120B2 (en) * 1997-12-08 2005-04-20 株式会社小糸製作所 Discharge lamp device
JP3777034B2 (en) * 1997-12-11 2006-05-24 株式会社小糸製作所 Insulation plug for discharge lamp device
JP5026973B2 (en) * 2004-08-23 2012-09-19 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 lamp
DE102005009902B4 (en) 2005-03-01 2018-09-06 Osram Gmbh Socket for a lamp
DE202008016865U1 (en) * 2008-12-19 2010-02-11 Osram Gesellschaft mit beschränkter Haftung Electric lamp with an outer bulb and a built-in lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422897A (en) * 1933-11-04 1935-01-21 Philips Nv Improvements in or relating to electric discharge tubes
GB1503634A (en) * 1975-05-23 1978-03-15 Moriyama Sangyo Kk Illuminating device
EP0045182A1 (en) * 1980-07-28 1982-02-03 Kabushiki Kaisha Toshiba Compact fluorescent lamp
GB2135820A (en) * 1983-02-25 1984-09-05 Gte Prod Corp Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio
US4810932A (en) * 1985-11-15 1989-03-07 General Electric Company Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8017792U1 (en) * 1980-07-02 1981-03-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München SODIUM STEAM DISCHARGE LAMP, IN PARTICULAR FOR USE IN DARK CHAMBER LIGHTS
JPS60138845A (en) * 1983-12-27 1985-07-23 Toshiba Corp Small metal halide lamp
US4734612A (en) * 1985-07-15 1988-03-29 Kabushiki Kaisha Toshiba High pressure metal vapor discharge lamp
JPS63292559A (en) * 1987-05-26 1988-11-29 Iwasaki Electric Co Ltd Metal halide lamp
DE3743627A1 (en) * 1987-12-22 1989-07-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP
CA1301238C (en) * 1988-02-18 1992-05-19 Rolf Sverre Bergman Xenon-metal halide lamp particularly suited for automotive applications
GB2250808B (en) * 1990-11-20 1994-11-30 Koito Mfg Co Ltd Automotive headlamp
JP2589642B2 (en) * 1993-03-10 1997-03-12 株式会社アサヒコーポレーション Molding method of anti-slip sole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422897A (en) * 1933-11-04 1935-01-21 Philips Nv Improvements in or relating to electric discharge tubes
GB1503634A (en) * 1975-05-23 1978-03-15 Moriyama Sangyo Kk Illuminating device
EP0045182A1 (en) * 1980-07-28 1982-02-03 Kabushiki Kaisha Toshiba Compact fluorescent lamp
GB2135820A (en) * 1983-02-25 1984-09-05 Gte Prod Corp Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio
US4810932A (en) * 1985-11-15 1989-03-07 General Electric Company Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such

Also Published As

Publication number Publication date
GB9107975D0 (en) 1991-05-29
FR2661275A1 (en) 1991-10-25
FR2661275B1 (en) 1997-10-17
DE4112911A1 (en) 1991-11-14
GB2245417A (en) 1992-01-02
DE4112911C2 (en) 1995-06-22

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Legal Events

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

Effective date: 20010415