GB2389468B - Power supply apparatus for light source - Google Patents

Power supply apparatus for light source

Info

Publication number
GB2389468B
GB2389468B GB0300696A GB0300696A GB2389468B GB 2389468 B GB2389468 B GB 2389468B GB 0300696 A GB0300696 A GB 0300696A GB 0300696 A GB0300696 A GB 0300696A GB 2389468 B GB2389468 B GB 2389468B
Authority
GB
United Kingdom
Prior art keywords
power supply
light source
supply apparatus
source
light
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
GB0300696A
Other versions
GB0300696D0 (en
GB2389468A (en
Inventor
Kenzo Danjo
Takashi Tsujii
Masataka Nishimura
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.)
Sansha Electric Manufacturing Co Ltd
Original Assignee
Sansha Electric Manufacturing Co 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
Application filed by Sansha Electric Manufacturing Co Ltd filed Critical Sansha Electric Manufacturing Co Ltd
Priority to GB0300696A priority Critical patent/GB2389468B/en
Publication of GB0300696D0 publication Critical patent/GB0300696D0/en
Publication of GB2389468A publication Critical patent/GB2389468A/en
Application granted granted Critical
Publication of GB2389468B publication Critical patent/GB2389468B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • 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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2853—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal power supply conditions
    • 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
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Rectifiers (AREA)
GB0300696A 2003-01-13 2003-01-13 Power supply apparatus for light source Expired - Fee Related GB2389468B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0300696A GB2389468B (en) 2003-01-13 2003-01-13 Power supply apparatus for light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0300696A GB2389468B (en) 2003-01-13 2003-01-13 Power supply apparatus for light source

Publications (3)

Publication Number Publication Date
GB0300696D0 GB0300696D0 (en) 2003-02-12
GB2389468A GB2389468A (en) 2003-12-10
GB2389468B true GB2389468B (en) 2005-11-16

Family

ID=9951036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0300696A Expired - Fee Related GB2389468B (en) 2003-01-13 2003-01-13 Power supply apparatus for light source

Country Status (1)

Country Link
GB (1) GB2389468B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2405753A (en) * 2003-09-03 2005-03-09 Bombardier Transp Gmbh Converter with input line monitoring
GB2442021A (en) * 2006-09-21 2008-03-26 Dyson Technology Ltd Controlling the power supplied to a high frequency agitator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529824A (en) * 1975-10-24 1978-10-25 Gen Electric Ballast circuit for gaseous discharge lamps
US5712771A (en) * 1993-11-12 1998-01-27 Johan Christiaan Fitter Power converter
US6122180A (en) * 1998-12-18 2000-09-19 Fairfield Korea Semiconductor Ltd. SMPS with constant power control circuit
US20020001209A1 (en) * 2000-04-27 2002-01-03 Haruo Moriguchi Power supply apparatus for lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529824A (en) * 1975-10-24 1978-10-25 Gen Electric Ballast circuit for gaseous discharge lamps
US5712771A (en) * 1993-11-12 1998-01-27 Johan Christiaan Fitter Power converter
US6122180A (en) * 1998-12-18 2000-09-19 Fairfield Korea Semiconductor Ltd. SMPS with constant power control circuit
US20020001209A1 (en) * 2000-04-27 2002-01-03 Haruo Moriguchi Power supply apparatus for lamp

Also Published As

Publication number Publication date
GB0300696D0 (en) 2003-02-12
GB2389468A (en) 2003-12-10

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Legal Events

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

Effective date: 20170113