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GB2081498B - Discharge lamp device - Google Patents

Discharge lamp device

Info

Publication number
GB2081498B
GB2081498B GB8119685A GB8119685A GB2081498B GB 2081498 B GB2081498 B GB 2081498B GB 8119685 A GB8119685 A GB 8119685A GB 8119685 A GB8119685 A GB 8119685A GB 2081498 B GB2081498 B GB 2081498B
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
Application number
GB8119685A
Other versions
GB2081498A (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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 JP8939180A external-priority patent/JPS5713683A/en
Priority claimed from JP8939580A external-priority patent/JPS5713687A/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB2081498A publication Critical patent/GB2081498A/en
Application granted granted Critical
Publication of GB2081498B publication Critical patent/GB2081498B/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H01J61/106—Shields, screens, or guides for influencing the discharge using magnetic means
GB8119685A 1980-06-30 1981-06-25 Discharge lamp device Expired GB2081498B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8939180A JPS5713683A (en) 1980-06-30 1980-06-30 Discharge lamp unit
JP8939580A JPS5713687A (en) 1980-06-30 1980-06-30 Discharge lamp unit

Publications (2)

Publication Number Publication Date
GB2081498A GB2081498A (en) 1982-02-17
GB2081498B true GB2081498B (en) 1984-09-26

Family

ID=26430809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8119685A Expired GB2081498B (en) 1980-06-30 1981-06-25 Discharge lamp device

Country Status (2)

Country Link
DE (2) DE3125247C2 (en)
GB (1) GB2081498B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900002446B1 (en) * 1986-05-30 1990-04-14 가부시끼 가이샤 도시바 Inacrive gas discharge lamp device
DE19909241A1 (en) * 1999-02-22 2000-08-24 Matthias Wapler Gas discharge illumination device in which gas or plasma is controlled in glass bulb using magnetic field

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB591192A (en) * 1945-05-01 1947-08-11 Leslie Herbert Huckett Improvements in or relating to mountings for electric strip lamps
DE603416C (en) * 1932-04-19 1934-10-01 Philips Nv Electric light tubes, in particular for advertising purposes
DE636599C (en) * 1934-10-03 1936-10-15 Patra Patent Treuhand Electric discharge tubes, especially for emitting light rays, for horizontal burning position
GB518578A (en) * 1938-08-25 1940-03-01 British Thomson Houston Co Ltd Improvements in and relating to electric discharge lamps having fluorescent materials mounted therein
US2286634A (en) * 1940-05-18 1942-06-16 John H Mccauley Luminous electrical discharge device
AT165248B (en) 1946-05-21 1950-02-10 Gen Electric Ignition facilitator for gas discharge tubes
GB932167A (en) * 1960-11-14 1963-07-24 Gen Electric Co Ltd Improvements in or relating to low pressure mercury vapour fluorescent electric discharge lamps
DE1539461B1 (en) * 1966-07-28 1970-05-14 Licentia Gmbh Headlights with defocusing device
US3562583A (en) * 1969-01-27 1971-02-09 Westinghouse Electric Corp Magnetically rotating constricted arc-discharge device
US4191907A (en) * 1978-09-21 1980-03-04 Westinghouse Electric Corp. Compact single-ended fluorescent lamp having a partitioned envelope

Also Published As

Publication number Publication date
DE3125247C2 (en) 1986-09-25
DE3125247A1 (en) 1982-03-11
GB2081498A (en) 1982-02-17
DE3153348C2 (en) 1988-05-05

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Legal Events

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

Effective date: 19940625