GB2380872B - Fluorescent lamp driver circuit - Google Patents

Fluorescent lamp driver circuit

Info

Publication number
GB2380872B
GB2380872B GB0228518A GB0228518A GB2380872B GB 2380872 B GB2380872 B GB 2380872B GB 0228518 A GB0228518 A GB 0228518A GB 0228518 A GB0228518 A GB 0228518A GB 2380872 B GB2380872 B GB 2380872B
Authority
GB
United Kingdom
Prior art keywords
driver circuit
fluorescent lamp
lamp driver
fluorescent
circuit
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
GB0228518A
Other versions
GB0228518D0 (en
GB2380872A (en
Inventor
Richard James Jales
Barnaby Norman Wilmott
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.)
Raymarine UK Ltd
Original Assignee
Raymarine 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 GBGB0026111.5A external-priority patent/GB0026111D0/en
Application filed by Raymarine Ltd filed Critical Raymarine Ltd
Publication of GB0228518D0 publication Critical patent/GB0228518D0/en
Publication of GB2380872A publication Critical patent/GB2380872A/en
Application granted granted Critical
Publication of GB2380872B publication Critical patent/GB2380872B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2824—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using control circuits for the switching element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
GB0228518A 2000-10-25 2001-10-25 Fluorescent lamp driver circuit Expired - Fee Related GB2380872B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0026111.5A GB0026111D0 (en) 2000-10-25 2000-10-25 Fluorescent lamp driver circuit
GB0125681A GB2372161B (en) 2000-10-25 2001-10-25 Fluorescent lamp driver circuit

Publications (3)

Publication Number Publication Date
GB0228518D0 GB0228518D0 (en) 2003-01-15
GB2380872A GB2380872A (en) 2003-04-16
GB2380872B true GB2380872B (en) 2004-03-10

Family

ID=26245194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0228518A Expired - Fee Related GB2380872B (en) 2000-10-25 2001-10-25 Fluorescent lamp driver circuit

Country Status (1)

Country Link
GB (1) GB2380872B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180064A (en) * 1981-04-27 1982-11-05 Matsushita Electric Ind Co Ltd Fluorescent lamp apparatus
JPS6010554A (en) * 1983-06-30 1985-01-19 Mitsubishi Electric Corp Discharge lamp device
WO1987005436A1 (en) * 1986-03-05 1987-09-11 American Light Corporation Fluorescent-bulb replacement unit for an incandescent bulb
US5854538A (en) * 1995-06-08 1998-12-29 Siemens Aktiengesellschaft Circuit arrangement for electrode pre-heating of a fluorescent lamp
US5892336A (en) * 1998-05-26 1999-04-06 O2Micro Int Ltd Circuit for energizing cold-cathode fluorescent lamps
US6064155A (en) * 1998-05-04 2000-05-16 Matsushita Electric Works Research And Development Labratory Inc Compact fluorescent lamp as a retrofit for an incandescent lamp
US6083021A (en) * 1992-02-10 2000-07-04 Lau; Kenneth Fluorescent light ballast lamp mounting socket construction
US6225742B1 (en) * 1999-08-27 2001-05-01 Matsushita Electronics Corporation Self-ballasted fluorescent lamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180064A (en) * 1981-04-27 1982-11-05 Matsushita Electric Ind Co Ltd Fluorescent lamp apparatus
JPS6010554A (en) * 1983-06-30 1985-01-19 Mitsubishi Electric Corp Discharge lamp device
WO1987005436A1 (en) * 1986-03-05 1987-09-11 American Light Corporation Fluorescent-bulb replacement unit for an incandescent bulb
US6083021A (en) * 1992-02-10 2000-07-04 Lau; Kenneth Fluorescent light ballast lamp mounting socket construction
US5854538A (en) * 1995-06-08 1998-12-29 Siemens Aktiengesellschaft Circuit arrangement for electrode pre-heating of a fluorescent lamp
US6064155A (en) * 1998-05-04 2000-05-16 Matsushita Electric Works Research And Development Labratory Inc Compact fluorescent lamp as a retrofit for an incandescent lamp
US5892336A (en) * 1998-05-26 1999-04-06 O2Micro Int Ltd Circuit for energizing cold-cathode fluorescent lamps
US6225742B1 (en) * 1999-08-27 2001-05-01 Matsushita Electronics Corporation Self-ballasted fluorescent lamp

Also Published As

Publication number Publication date
GB0228518D0 (en) 2003-01-15
GB2380872A (en) 2003-04-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090402 AND 20090408

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151025