JP2005267933A - 放電ランプ点灯装置 - Google Patents

放電ランプ点灯装置 Download PDF

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Publication number
JP2005267933A
JP2005267933A JP2004075851A JP2004075851A JP2005267933A JP 2005267933 A JP2005267933 A JP 2005267933A JP 2004075851 A JP2004075851 A JP 2004075851A JP 2004075851 A JP2004075851 A JP 2004075851A JP 2005267933 A JP2005267933 A JP 2005267933A
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JP
Japan
Prior art keywords
signal
lamp
modulation
circuit
lamp current
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.)
Pending
Application number
JP2004075851A
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English (en)
Japanese (ja)
Other versions
JP2005267933A5 (enExample
Inventor
Masashi Okamoto
昌士 岡本
Masanobu Tanaka
正信 田中
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.)
Ushio Denki KK
Ushio Inc
Panasonic Holdings Corp
Original Assignee
Ushio Denki KK
Ushio Inc
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 Ushio Denki KK, Ushio Inc, Matsushita Electric Industrial Co Ltd filed Critical Ushio Denki KK
Priority to JP2004075851A priority Critical patent/JP2005267933A/ja
Publication of JP2005267933A publication Critical patent/JP2005267933A/ja
Publication of JP2005267933A5 publication Critical patent/JP2005267933A5/ja
Pending legal-status Critical Current

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    • 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

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  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
JP2004075851A 2004-03-17 2004-03-17 放電ランプ点灯装置 Pending JP2005267933A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004075851A JP2005267933A (ja) 2004-03-17 2004-03-17 放電ランプ点灯装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004075851A JP2005267933A (ja) 2004-03-17 2004-03-17 放電ランプ点灯装置

Publications (2)

Publication Number Publication Date
JP2005267933A true JP2005267933A (ja) 2005-09-29
JP2005267933A5 JP2005267933A5 (enExample) 2007-02-08

Family

ID=35092271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004075851A Pending JP2005267933A (ja) 2004-03-17 2004-03-17 放電ランプ点灯装置

Country Status (1)

Country Link
JP (1) JP2005267933A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007157475A (ja) * 2005-12-05 2007-06-21 Hitachi Media Electoronics Co Ltd 放電ランプ点灯装置
JP2007188733A (ja) * 2006-01-13 2007-07-26 Ushio Inc 放電ランプ点灯装置およびプロジェクタ
JP2008123871A (ja) * 2006-11-14 2008-05-29 Ushio Inc 放電ランプ点灯装置およびプロジェクタ
US7567041B2 (en) 2006-02-10 2009-07-28 Ushio Denki Kabushiki Kaisha Discharge lamp lighting apparatus and projector
JP2012114009A (ja) * 2010-11-26 2012-06-14 Iwasaki Electric Co Ltd 直流ランプ点灯装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007157475A (ja) * 2005-12-05 2007-06-21 Hitachi Media Electoronics Co Ltd 放電ランプ点灯装置
JP2007188733A (ja) * 2006-01-13 2007-07-26 Ushio Inc 放電ランプ点灯装置およびプロジェクタ
US7567041B2 (en) 2006-02-10 2009-07-28 Ushio Denki Kabushiki Kaisha Discharge lamp lighting apparatus and projector
JP2008123871A (ja) * 2006-11-14 2008-05-29 Ushio Inc 放電ランプ点灯装置およびプロジェクタ
KR101169119B1 (ko) 2006-11-14 2012-07-26 우시오덴키 가부시키가이샤 방전 램프 점등 장치 및 프로젝터
JP2012114009A (ja) * 2010-11-26 2012-06-14 Iwasaki Electric Co Ltd 直流ランプ点灯装置

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