JP2005310484A - 放電ランプ駆動装置 - Google Patents

放電ランプ駆動装置 Download PDF

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Publication number
JP2005310484A
JP2005310484A JP2004124366A JP2004124366A JP2005310484A JP 2005310484 A JP2005310484 A JP 2005310484A JP 2004124366 A JP2004124366 A JP 2004124366A JP 2004124366 A JP2004124366 A JP 2004124366A JP 2005310484 A JP2005310484 A JP 2005310484A
Authority
JP
Japan
Prior art keywords
discharge lamp
frequency
voltage
current
cumulative
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.)
Ceased
Application number
JP2004124366A
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English (en)
Japanese (ja)
Other versions
JP2005310484A5 (enExample
Inventor
Seiji Fujiwara
誠司 藤原
Toshio Toyoshima
敏生 豊島
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2004124366A priority Critical patent/JP2005310484A/ja
Publication of JP2005310484A publication Critical patent/JP2005310484A/ja
Publication of JP2005310484A5 publication Critical patent/JP2005310484A5/ja
Ceased legal-status Critical Current

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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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
JP2004124366A 2004-04-20 2004-04-20 放電ランプ駆動装置 Ceased JP2005310484A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004124366A JP2005310484A (ja) 2004-04-20 2004-04-20 放電ランプ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004124366A JP2005310484A (ja) 2004-04-20 2004-04-20 放電ランプ駆動装置

Publications (2)

Publication Number Publication Date
JP2005310484A true JP2005310484A (ja) 2005-11-04
JP2005310484A5 JP2005310484A5 (enExample) 2007-06-07

Family

ID=35439020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004124366A Ceased JP2005310484A (ja) 2004-04-20 2004-04-20 放電ランプ駆動装置

Country Status (1)

Country Link
JP (1) JP2005310484A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2043409A2 (en) 2007-09-28 2009-04-01 Seiko Epson Corporation Light source and projector
WO2010060830A1 (de) * 2008-11-28 2010-06-03 Osram Gesellschaft mit beschränkter Haftung Integrierte gasentladungslampe und verfahren, beinhaltend schrittweise frequenzerhöhung, zum betreiben einer intergrierten gasentladungslampe
US7999490B2 (en) 2007-10-31 2011-08-16 Seiko Epson Corporation Light source, projector, and method for driving light source
US8232513B2 (en) 2008-12-26 2012-07-31 Seiko Epson Corporation Projector, light source lighting device having a starting condition adjustment section, and method of controlling projector
JP2014502760A (ja) * 2010-12-30 2014-02-03 パーキンエルマー シンガポール ピーティーイー エルティーディー 中空陰極ランプ経過時間記録システム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09320781A (ja) * 1996-05-30 1997-12-12 Toshiba Lighting & Technol Corp 高圧放電灯点灯装置および画像表示装置
JP2000223295A (ja) * 1999-01-29 2000-08-11 Hitachi Lighting Ltd 蛍光灯点灯装置
JP2001250699A (ja) * 1999-12-28 2001-09-14 Toshiba Lighting & Technology Corp 放電ランプ点灯装置および照明装置
JP2003086387A (ja) * 2001-09-13 2003-03-20 Mitsubishi Electric Corp 高圧放電灯点灯装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09320781A (ja) * 1996-05-30 1997-12-12 Toshiba Lighting & Technol Corp 高圧放電灯点灯装置および画像表示装置
JP2000223295A (ja) * 1999-01-29 2000-08-11 Hitachi Lighting Ltd 蛍光灯点灯装置
JP2001250699A (ja) * 1999-12-28 2001-09-14 Toshiba Lighting & Technology Corp 放電ランプ点灯装置および照明装置
JP2003086387A (ja) * 2001-09-13 2003-03-20 Mitsubishi Electric Corp 高圧放電灯点灯装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2043409A2 (en) 2007-09-28 2009-04-01 Seiko Epson Corporation Light source and projector
EP2249628A2 (en) 2007-09-28 2010-11-10 Seiko Epson Corporation Light source and projector
US7946715B2 (en) 2007-09-28 2011-05-24 Seiko Epson Corporation Light source and projector
CN103140000A (zh) * 2007-09-28 2013-06-05 精工爱普生株式会社 光源装置及投影机
US7999490B2 (en) 2007-10-31 2011-08-16 Seiko Epson Corporation Light source, projector, and method for driving light source
WO2010060830A1 (de) * 2008-11-28 2010-06-03 Osram Gesellschaft mit beschränkter Haftung Integrierte gasentladungslampe und verfahren, beinhaltend schrittweise frequenzerhöhung, zum betreiben einer intergrierten gasentladungslampe
US8232513B2 (en) 2008-12-26 2012-07-31 Seiko Epson Corporation Projector, light source lighting device having a starting condition adjustment section, and method of controlling projector
JP2014502760A (ja) * 2010-12-30 2014-02-03 パーキンエルマー シンガポール ピーティーイー エルティーディー 中空陰極ランプ経過時間記録システム
EP2659460A4 (en) * 2010-12-30 2015-03-04 Perkinelmer Singapore Pte Ltd RECORDING SYSTEM FOR ENFORCED TIME FOR A HOLLOW CATHODE LAMP

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