GB0022227D0 - Electrodeless discharge lamp and self-resonant filter choke - Google Patents

Electrodeless discharge lamp and self-resonant filter choke

Info

Publication number
GB0022227D0
GB0022227D0 GB0022227A GB0022227A GB0022227D0 GB 0022227 D0 GB0022227 D0 GB 0022227D0 GB 0022227 A GB0022227 A GB 0022227A GB 0022227 A GB0022227 A GB 0022227A GB 0022227 D0 GB0022227 D0 GB 0022227D0
Authority
GB
United Kingdom
Prior art keywords
self
discharge lamp
electrodeless discharge
resonant filter
filter choke
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.)
Withdrawn
Application number
GB0022227A
Other versions
GB2356081A (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.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania 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 Osram Sylvania Inc filed Critical Osram Sylvania Inc
Publication of GB0022227D0 publication Critical patent/GB0022227D0/en
Publication of GB2356081A publication Critical patent/GB2356081A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
GB0022227A 1999-09-20 2000-09-11 Electrodeless discharge lamp having self-resonant filter choke Withdrawn GB2356081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15482199P 1999-09-20 1999-09-20

Publications (2)

Publication Number Publication Date
GB0022227D0 true GB0022227D0 (en) 2000-10-25
GB2356081A GB2356081A (en) 2001-05-09

Family

ID=22552940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0022227A Withdrawn GB2356081A (en) 1999-09-20 2000-09-11 Electrodeless discharge lamp having self-resonant filter choke

Country Status (1)

Country Link
GB (1) GB2356081A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7303307B2 (en) * 2004-10-06 2007-12-04 Osram Sylvania Inc. Electrodeless lamp with incorporated reflector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245178A (en) * 1979-02-21 1981-01-13 Westinghouse Electric Corp. High-frequency electrodeless discharge device energized by compact RF oscillator operating in class E mode
US5581157A (en) * 1992-05-20 1996-12-03 Diablo Research Corporation Discharge lamps and methods for making discharge lamps
WO1993026140A1 (en) * 1992-06-05 1993-12-23 Diablo Research Corporation Electrodeless discharge lamp containing push-pull class e amplifier and bifilar coil
US5834905A (en) * 1995-09-15 1998-11-10 Osram Sylvania Inc. High intensity electrodeless low pressure light source driven by a transformer core arrangement
US5773926A (en) * 1995-11-16 1998-06-30 Matsushita Electric Works Research And Development Laboratory Inc Electrodeless fluorescent lamp with cold spot control
US5866991A (en) * 1996-07-17 1999-02-02 General Electric Company Induction lamp with oppositely oriented coil winding layers
US5886472A (en) * 1997-07-11 1999-03-23 Osram Sylvania Inc. Electrodeless lamp having compensation loop for suppression of magnetic interference
US6175197B1 (en) * 1997-10-14 2001-01-16 Osram Sylvania Inc. Electrodeless lamp having thermal bridge between transformer core and amalgam

Also Published As

Publication number Publication date
GB2356081A (en) 2001-05-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)