GB8508197D0 - Low-pressure mercury vapor discharge lamp - Google Patents

Low-pressure mercury vapor discharge lamp

Info

Publication number
GB8508197D0
GB8508197D0 GB858508197A GB8508197A GB8508197D0 GB 8508197 D0 GB8508197 D0 GB 8508197D0 GB 858508197 A GB858508197 A GB 858508197A GB 8508197 A GB8508197 A GB 8508197A GB 8508197 D0 GB8508197 D0 GB 8508197D0
Authority
GB
United Kingdom
Prior art keywords
low
discharge lamp
pressure mercury
mercury vapor
vapor discharge
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.)
Granted
Application number
GB858508197A
Other versions
GB2157883B (en
GB2157883A (en
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
Publication of GB8508197D0 publication Critical patent/GB8508197D0/en
Publication of GB2157883A publication Critical patent/GB2157883A/en
Application granted granted Critical
Publication of GB2157883B publication Critical patent/GB2157883B/en
Expired 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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • 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
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/325—U-shaped lamps
GB08508197A 1984-04-02 1985-03-29 Low-pressure mercury vapour discharge lamp Expired GB2157883B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8401030A NL8401030A (en) 1984-04-02 1984-04-02 LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (3)

Publication Number Publication Date
GB8508197D0 true GB8508197D0 (en) 1985-05-09
GB2157883A GB2157883A (en) 1985-10-30
GB2157883B GB2157883B (en) 1988-07-27

Family

ID=19843737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08508197A Expired GB2157883B (en) 1984-04-02 1985-03-29 Low-pressure mercury vapour discharge lamp

Country Status (7)

Country Link
JP (1) JPS60225346A (en)
BE (1) BE902088A (en)
CA (1) CA1239978A (en)
DE (1) DE3510156A1 (en)
FR (1) FR2562324B1 (en)
GB (1) GB2157883B (en)
NL (1) NL8401030A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746598B2 (en) * 1986-05-29 1995-05-17 東芝ライテック株式会社 Fluorescent lamp
EP0267340A1 (en) * 1986-11-14 1988-05-18 Gte Sylvania Limited Fluorescent lamp
JP2776840B2 (en) * 1988-08-26 1998-07-16 株式会社日立製作所 Fluorescent lamp
JPH083997B2 (en) * 1988-12-12 1996-01-17 東芝ライテック株式会社 Low pressure mercury vapor discharge lamp
US5237240A (en) * 1991-12-04 1993-08-17 Gte Products Corporation Mercury vapor discharge lamp containing device for heating amalgam-forming material
US5294867A (en) * 1992-03-13 1994-03-15 Gte Products Corporation Low pressure mercury vapor discharge lamp containing an amalgam
DE19512129A1 (en) * 1995-03-31 1996-10-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Low pressure mercury vapor discharge lamp
DE69716855T2 (en) * 1996-05-17 2003-07-03 Koninklijke Philips Electronics N.V., Eindhoven LOW PRESSURE MERCURY DISCHARGE LAMP
JP2000173537A (en) * 1998-09-29 2000-06-23 Toshiba Lighting & Technology Corp Low pressure mercury-vapor discharge lamp and lighting system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1589290B2 (en) * 1967-05-11 1976-05-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München METHOD OF APPLICATION OF AMALGAM FORMING METAL IN ELECTRICALLY AND / OR THERMALLY HIGH LOAD MERCURY LOW PRESSURE DISCHARGE LAMPS
US3548241A (en) * 1968-05-06 1970-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method of incorporating an amalgam or an amalgam-forming metal in a lowpressure mercury discharge lamp,and lamp produced by such method
GB1273663A (en) * 1970-07-03 1972-05-10 Anatoly Stepanovich Fedorenko Fluorescent lamp apparatus
NL183687C (en) * 1978-10-11 1988-12-16 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
NL185479C (en) * 1979-04-03 1990-04-17 Philips Nv LOW PRESSURE GAS DISCHARGE LAMP.
NL185639C (en) * 1980-10-29 1990-06-01 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.

Also Published As

Publication number Publication date
JPS60225346A (en) 1985-11-09
BE902088A (en) 1985-10-01
FR2562324A1 (en) 1985-10-04
GB2157883B (en) 1988-07-27
CA1239978A (en) 1988-08-02
FR2562324B1 (en) 1988-10-14
GB2157883A (en) 1985-10-30
DE3510156A1 (en) 1985-10-10
NL8401030A (en) 1985-11-01

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Legal Events

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