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GB8724122D0 - Electronic ballast - Google Patents

Electronic ballast

Info

Publication number
GB8724122D0
GB8724122D0 GB878724122A GB8724122A GB8724122D0 GB 8724122 D0 GB8724122 D0 GB 8724122D0 GB 878724122 A GB878724122 A GB 878724122A GB 8724122 A GB8724122 A GB 8724122A GB 8724122 D0 GB8724122 D0 GB 8724122D0
Authority
GB
United Kingdom
Prior art keywords
electronic ballast
ballast
electronic
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Withdrawn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
GB878724122A
Other versions
GB2211038A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8724122A priority Critical patent/GB2211038A/en
Publication of GB8724122D0 publication Critical patent/GB8724122D0/en
Publication of GB2211038A publication Critical patent/GB2211038A/en
Withdrawn legal-status Critical Current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
    • H05B41/26—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
    • H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2986—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB8724122A 1987-10-14 1987-10-14 Protective electronic ballast circuit for fluorescent lamps Withdrawn GB2211038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8724122A GB2211038A (en) 1987-10-14 1987-10-14 Protective electronic ballast circuit for fluorescent lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8724122A GB2211038A (en) 1987-10-14 1987-10-14 Protective electronic ballast circuit for fluorescent lamps

Publications (2)

Publication Number Publication Date
GB8724122D0 true GB8724122D0 (en) 1987-11-18
GB2211038A GB2211038A (en) 1989-06-21

Family

ID=10625314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8724122A Withdrawn GB2211038A (en) 1987-10-14 1987-10-14 Protective electronic ballast circuit for fluorescent lamps

Country Status (1)

Country Link
GB (1) GB2211038A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8829844D0 (en) * 1988-12-21 1989-02-15 Yazdanian Sirous Control of fluorescent lights etc
GB2234642A (en) * 1989-07-19 1991-02-06 Philips Nv Protection for a switched bridge circuit
KR950005283B1 (en) * 1992-10-08 1995-05-22 주식회사디엔에프전자 Inverter circuit for protecting, output voltage regulating, luminous intensity controll function
ATE166765T1 (en) * 1993-03-09 1998-06-15 Everbrite Inc PROTECTIVE CIRCUIT FOR A POWER SUPPLY OF A LIGHTING TUBES
GB2298749B (en) * 1994-03-04 1998-01-07 Int Rectifier Corp Electronic ballasts for gas discharge lamps
US6005354A (en) * 1996-10-21 1999-12-21 International Rectifier Corporation Ballast IC with shut-down function
CN100518429C (en) * 2004-07-27 2009-07-22 台达电子工业股份有限公司 Electronic stabilizer protection circuit with single short-circuit switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB712239A (en) * 1951-04-10 1954-07-21 Gen Electric Co Ltd Improvements in or relating to circuit arrangements for operating low pressure electric discharge lamps
GB718973A (en) * 1951-07-31 1954-11-24 Gen Electric Co Ltd Improvements in or relating to protective circuit arrangements for operating low pressure electric discharge lamps
GB1556292A (en) * 1976-03-19 1979-11-21 Gte Sylvania Inc Tuned oscillator ballast circuit for fluorescent lamps
GB8522778D0 (en) * 1985-09-14 1985-10-16 Contrology Ltd Lamp supply circuit
DE3608615A1 (en) * 1986-03-14 1987-09-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh CIRCUIT ARRANGEMENT FOR OPERATING LOW-PRESSURE DISCHARGE LAMPS

Also Published As

Publication number Publication date
GB2211038A (en) 1989-06-21

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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)