KR970704325A - 고압방전램프 작동방법 및 회로장치 - Google Patents
고압방전램프 작동방법 및 회로장치 Download PDFInfo
- Publication number
- KR970704325A KR970704325A KR1019960707322A KR19960707322A KR970704325A KR 970704325 A KR970704325 A KR 970704325A KR 1019960707322 A KR1019960707322 A KR 1019960707322A KR 19960707322 A KR19960707322 A KR 19960707322A KR 970704325 A KR970704325 A KR 970704325A
- Authority
- KR
- South Korea
- Prior art keywords
- lamp
- current
- discharge lamp
- pressure discharge
- current pulse
- Prior art date
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Classifications
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- 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
- H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2928—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating 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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
- H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
- H05B41/231—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for high-pressure lamps
-
- 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
- H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
- H05B41/2887—Static converters especially adapted therefor; Control thereof characterised by a controllable bridge in the final stage
- H05B41/2888—Static converters especially adapted therefor; Control thereof characterised by a controllable bridge in the final stage the bridge being commutated at low frequency, e.g. 1kHz
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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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
본 발명은 공급 전압원에 접속되는 입력단자(K1,K2)와, 입력단자와 연결되고 고압방전 램프에 교류램프 전류를 공급하는 수단을 구비하는 고압방전 램프를 작동시키기 위한 회로에 관한 것이다. 본 발명에 따르면, 회로장치는 램프전류의 각 반주기의 소정부분에 전류펄스를 발생하는 수단(Ⅲ)을 또한 구비하고, 상기 전류펄스는 램프회로와 동일극성을 갖고 램프 전류의 반주기들의 소정부분의 후반부분에서 램프전류에 중첩된다. 결과로서, 작동중 방전 아아크의 깜박임은 실질적으로 억제된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 도1에 따른 본 발명에 따른 회로장치의 실시예를 도시한다.
제3도는 도2에 도시한 회로장치의 부분을 보다 상세히 도시한다.
Claims (11)
- 고류램프전류가 고압방전 램프에 공급되는 고압 방전램프 작동방법에 있어서, 전류펄스가 램프전류의 반주기들의 소정부분에 발생되고, 상기 전류 펄스는 램프회로와 동일 극성을 가지며 그것이 발생된 반주기의 후반부분에서 램프 전류에 중첩되는 것을 특징으로 하는 고압방전 램프 작동방법.
- 제1항에 있어서, 상기 전류펄스는 램프전류의 각 반주기에 발생되는 것을 특징으로 하는 고압방전 램프 작동방법.
- 공급 전압원에 접속되는 입력단자 (K1,K2)와, 상기 입력단자에 연결되고 고압방전 램프에 교류 램프 전류를 공급하는 수단을 구비하는 고압방전 램프를 작동시키기 위한 회로장치에 있어서, 램프전류의 반주기의 소정부분에 전류펄스를 발생하는 수단(Ⅲ)을 또한 구비하고, 상기 전류 펄스는 램프 회로와 동일 극성을 갖고 그것이 발생된 반주기의 후반 부분에서 램프전류에 중첩되는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 제3항에 있어서, 상기 수단(Ⅲ)은 램프전류의 각 반주기에서 전류펄스를 발생시키는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 제3항 또는 제4항에 있어서, 교류램프 전류를 고압방전 램프에 공급하는 상기 수단은 상기입력단자에 연결되고 공급 전압원에 의해 공급된 공급전압으로 부터 DC공급전류를 발생하는 수단(Ⅰ)과, 공급전류를 교류램프 전류로 변환하는 변환기 (Ⅲ)를 구비하는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 제5항에 있어서, DC공급전류를 발생하는 상기수단(Ⅰ)은 램프작동중 고주파로 작동되는 스위칭 소자를 구비한 DC-DC 변환기를 구비하고, 전류펄스를 발생하는 상기 수단은 이 스위칭 소자의 듀티 사이클을 조정하는 수단을 구비하는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 제5항 또는 제6항에 있어서, DC 공급전류를 발생하는 상기 수단은 램프 작동중 고주파로 작동되는 수위칭 소자를 구비한 DC-DC 변환기를 구비하고, 전류펄스를 발생하는 상기 수단은 이 스위칭소자의 스위칭 주파수를 조정하는 수단을 구비하는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 전술한 항중 하나 이상의 항에 있어서, 램프전류의 주파수는 50Hz - 500Hz 범위에서 선택되고, 전류펄스의 평균진폭과 램프전류의 평균진폭간의 비가 0.6 과 2 사이이며 전류펄스의 지속시간과 램프전류의 반주기간의 비가 0.05 와 0.15 사이인 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 전술한 항중 하나 이상의 항에 있어서, 전류펄스에 의해 고압방전 램프에 공급된 에너지량은 하나의 반주기동안 램프전류에 의해 고압 방전 램프에 공급된 에너지량의 5%와 15% 사이인 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 전술한 항중 하나 이상의 항에 있어서, 회로장치는 고압방전 램프에 의해 소비된 소망 전력량에 대한 기준인 신호를 발생하는 수단을 구비한 전력제어 루프를 구비하고 상기 전류펄스 발생수단은 상기 신호를 조정하는 수단을 구비하는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
- 제5항, 제6항 또는 제7항에 있어서, 상기 변환기는 전브리지회로를 구비하는 것을 특징으로 하는 고압방전 램프를 작동시키기 위한 회로장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94201784 | 1994-06-22 | ||
EP94201784.9 | 1994-06-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970704325A true KR970704325A (ko) | 1997-08-09 |
KR100396234B1 KR100396234B1 (ko) | 2004-03-24 |
Family
ID=8216976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960707322A KR100396234B1 (ko) | 1994-06-22 | 1995-05-22 | 고압방전램프작동방법및회로장치 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5608294A (ko) |
EP (1) | EP0766906B1 (ko) |
JP (1) | JP3741727B2 (ko) |
KR (1) | KR100396234B1 (ko) |
CN (1) | CN1085034C (ko) |
AT (1) | ATE301919T1 (ko) |
CA (1) | CA2193680C (ko) |
DE (1) | DE69534368T2 (ko) |
ES (1) | ES2247589T3 (ko) |
MX (1) | MX9606668A (ko) |
TW (1) | TW339496B (ko) |
WO (1) | WO1995035645A1 (ko) |
Families Citing this family (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0860098B1 (en) * | 1996-09-11 | 2006-07-05 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
WO2000036882A1 (en) * | 1998-12-17 | 2000-06-22 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
TWM266672U (en) * | 1998-12-17 | 2005-06-01 | Koninkl Philips Electronics Nv | Circuit arrangement |
CN1291418B (zh) | 1998-12-21 | 2010-06-02 | 皇家菲利浦电子有限公司 | 电路装置 |
US6215252B1 (en) * | 1998-12-29 | 2001-04-10 | Philips Electronics North America Corporation | Method and apparatus for lamp control |
JP2000268989A (ja) * | 1999-03-12 | 2000-09-29 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US6175199B1 (en) * | 1999-09-30 | 2001-01-16 | Osram Sylvania Inc. | Magnetically deflected arc lamp |
JP2003518643A (ja) * | 1999-12-24 | 2003-06-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 投射系及びその制御方法 |
CA2398208C (en) | 2000-01-24 | 2010-03-23 | Donald Caron | Electronic ballast circuit for operating a high intensity discharge lamp |
DE10018860A1 (de) | 2000-04-14 | 2001-10-18 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Stabilisierung des Betriebs von Gasentladungslampen |
DE10021537A1 (de) * | 2000-05-03 | 2001-11-08 | Philips Corp Intellectual Pty | Verfahren und Vorrichtung zum Betreiben einer Gasentladungslampe |
DE10023342A1 (de) | 2000-05-12 | 2001-11-15 | Philips Corp Intellectual Pty | Projektionssystem und Verfahren zum Betreiben eines Projektionssystems |
JP4426132B2 (ja) * | 2000-07-26 | 2010-03-03 | ハリソン東芝ライティング株式会社 | 高圧放電ランプ点灯方法、高圧放電ランプ点灯装置および照明装置 |
TW512376B (en) * | 2000-08-17 | 2002-12-01 | Koninkl Philips Electronics Nv | Switching device |
JP2002134287A (ja) | 2000-10-24 | 2002-05-10 | Tdk Corp | 放電灯点灯方法及び装置 |
DE10062974A1 (de) | 2000-12-16 | 2002-06-20 | Philips Corp Intellectual Pty | Hochdruckgasentladungslampe und Verfahren zu ihrer Herstellung |
US6476566B2 (en) | 2000-12-27 | 2002-11-05 | Infocus Systems, Inc. | Method and apparatus for canceling ripple current in a lamp |
ATE330449T1 (de) | 2001-05-08 | 2006-07-15 | Koninkl Philips Electronics Nv | Impulsbreitenmodulation zum betrieb von hochdrucklampen |
EP1389036A4 (en) * | 2001-05-16 | 2004-06-23 | Matsushita Electric Ind Co Ltd | DISCHARGE LAMP LIGHTING DEVICE AND SYSTEM THEREFOR |
WO2003034793A1 (en) * | 2001-10-18 | 2003-04-24 | Koninklijke Philips Electronics N.V. | Circuit arrangement for operating a discharge lamp |
WO2003039205A1 (en) * | 2001-10-29 | 2003-05-08 | Koninklijke Philips Electronics N.V. | Ballasting circuit |
JP2005513580A (ja) | 2002-01-02 | 2005-05-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画像プロジェクタ及びその動作方法 |
DE10220509A1 (de) * | 2002-05-08 | 2003-11-20 | Philips Intellectual Property | Verfahren und Schaltungsanordnung zum Betrieb einer Hochdruckgasentladungslampe |
TW200401586A (en) * | 2002-05-17 | 2004-01-16 | Koninkl Philips Electronics Nv | Projection system |
CN1663325A (zh) * | 2002-06-25 | 2005-08-31 | 皇家飞利浦电子股份有限公司 | 气体放电灯的操作 |
JP4186578B2 (ja) * | 2002-10-09 | 2008-11-26 | ウシオ電機株式会社 | 高圧放電ランプ点灯装置 |
JP4171285B2 (ja) | 2002-11-06 | 2008-10-22 | フェニックス電機株式会社 | 高圧放電灯の点灯方法および点灯装置 |
DE10306347A1 (de) * | 2003-02-15 | 2004-08-26 | Hüttinger Elektronik GmbH & Co. KG | Leistungszufuhrregeleinheit |
JP2004296427A (ja) * | 2003-03-13 | 2004-10-21 | Ushio Inc | 超高圧水銀ランプ発光装置 |
DE10319571A1 (de) * | 2003-04-30 | 2004-11-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Beleuchtungssystem mit sequentieller Farbfilterung und Hochdruckentladungslampe |
DE10319950A1 (de) | 2003-05-02 | 2004-11-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Betriebsgerät und Verfahren zum Betreiben von Gasentladungslampen |
JP2006526877A (ja) * | 2003-06-02 | 2006-11-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ガス放電ランプの動作のための回路及び方法 |
CN1853450A (zh) * | 2003-09-17 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 操作气体放电灯的电路装置和方法 |
KR101066125B1 (ko) * | 2004-02-02 | 2011-09-20 | 이와사기덴끼가부시기가이샤 | 고압 방전등 점등장치 및 점등방법 |
DE102004020397A1 (de) * | 2004-04-23 | 2005-11-10 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Verfahren zum Betreiben einer Hochdruckentladungslampe |
DE102005023171A1 (de) | 2004-05-28 | 2005-12-22 | Harison Toshiba Lighting Corp. | Lichtvorrichtung für Entladungslampen |
JP4578861B2 (ja) * | 2004-05-28 | 2010-11-10 | ハリソン東芝ライティング株式会社 | 高圧放電灯の点灯装置 |
CN1977571B (zh) * | 2004-06-03 | 2014-07-23 | 皇家飞利浦电子股份有限公司 | 用于运行高压气体放电灯的方法和电路布置 |
JP4415377B2 (ja) | 2004-06-24 | 2010-02-17 | セイコーエプソン株式会社 | 光源駆動方法およびプロジェクタ |
JP4211694B2 (ja) * | 2004-06-24 | 2009-01-21 | セイコーエプソン株式会社 | 光源駆動方法およびプロジェクタ |
JP4448396B2 (ja) * | 2004-07-13 | 2010-04-07 | 株式会社日立製作所 | ランプ作動制御装置及びその方法 |
US7517093B2 (en) | 2004-07-15 | 2009-04-14 | Phoenix Electric Co., Ltd. | Projection-type system and method of operating the same |
US7323824B2 (en) * | 2004-08-03 | 2008-01-29 | Matsushita Electric Works Ltd. | Methods and apparatus for operating very high pressure short arc discharge lamps |
EP1776848B1 (en) * | 2004-08-06 | 2008-09-03 | Philips Intellectual Property & Standards GmbH | Method and circuit arrangement for operating a discharge lamp |
US7250732B2 (en) * | 2004-09-30 | 2007-07-31 | General Electric Company | High pressure discharge lamp control system and method |
US7911159B2 (en) | 2004-10-29 | 2011-03-22 | Koninklijke Philips Electronics N.V. | Robust driver for high intensity discharge lamp |
DE102004058921A1 (de) | 2004-12-07 | 2006-06-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Betriebsgerät und Verfahren zum Betreiben von Gasentladungslampen |
JP2008539542A (ja) * | 2005-04-28 | 2008-11-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 投影システム、及び投影システムを動作させる方法 |
EP1727401B1 (en) * | 2005-05-25 | 2008-12-31 | Barco N.V. | Projector lamp control for increased lamp life |
US7443103B2 (en) * | 2005-06-24 | 2008-10-28 | General Electric Company | High pressure lamp with lamp flicker suppression and lamp voltage control |
JP4637675B2 (ja) * | 2005-07-27 | 2011-02-23 | 三菱電機株式会社 | ランプ点灯装置 |
DE102005049582A1 (de) * | 2005-10-17 | 2007-04-19 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Verfahren zum Betreiben einer Gasentladungslampe |
US7276864B2 (en) | 2005-12-05 | 2007-10-02 | Hitachi Media Electronics Co., Ltd. | Discharge lamp lighting device and projection type image display apparatus having the same |
JP2009522741A (ja) | 2006-01-03 | 2009-06-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高圧水銀蒸気放電ランプ及び高圧水銀蒸気放電ランプを製造する方法 |
DE102006002077A1 (de) * | 2006-01-13 | 2007-07-26 | GOM - Gesellschaft für Optische Meßtechnik mbH | Einrichtung und Verfahren zum dreidimensionalen optischen Vermessen |
JP2007214010A (ja) | 2006-02-10 | 2007-08-23 | Seiko Epson Corp | 放電灯点灯装置及びプロジェクタ |
JP4752569B2 (ja) | 2006-03-29 | 2011-08-17 | カシオ計算機株式会社 | 投影装置、光源制御方法及びプログラム |
US20100289429A1 (en) * | 2006-08-10 | 2010-11-18 | Koninklijke Philips Electronics N.V. | Methods of and driving units for driving a gas discharge lamp |
CN101523997A (zh) | 2006-11-09 | 2009-09-02 | 奥斯兰姆有限公司 | 用于驱动高压放电灯的电路装置以及方法 |
KR101339067B1 (ko) * | 2006-12-18 | 2013-12-09 | 오스람 게엠베하 | 고압 방전 램프를 동작시키기 위한 회로 어레인지먼트 및 방법 |
EP2156712B8 (de) | 2007-06-14 | 2012-02-08 | Osram AG | Schaltungsanordnung zum betrieb von entladungslampen und verfahren zum betrieb von entladungslampen |
EP2168408B1 (en) * | 2007-07-10 | 2011-07-06 | Philips Intellectual Property & Standards GmbH | Method and driving unit for driving a gas-discharge lamp |
WO2009062542A1 (de) * | 2007-11-13 | 2009-05-22 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und verfahren zum betreiben einer hochdruckentladungslampe |
KR20100114900A (ko) * | 2008-01-23 | 2010-10-26 | 오스람 게젤샤프트 미트 베쉬랭크터 하프퉁 | 광원들의 동작을 위한 방법 및 상기 광원들에 대한 회로 어레인지먼트 |
JP4462450B2 (ja) | 2008-03-14 | 2010-05-12 | セイコーエプソン株式会社 | 放電灯点灯装置及びその制御方法並びにプロジェクタ |
JP4678414B2 (ja) | 2008-03-17 | 2011-04-27 | セイコーエプソン株式会社 | 放電灯点灯装置及びその制御方法並びにプロジェクタ |
WO2009115117A1 (de) * | 2008-03-19 | 2009-09-24 | Osram Gesellschaft mit beschränkter Haftung | Lampensystem mit einer gasentladungslampe und verfahren zum betreiben einer gasentladungslampe |
JP4941683B2 (ja) * | 2008-03-21 | 2012-05-30 | セイコーエプソン株式会社 | 放電灯点灯装置及びその制御方法並びにプロジェクタ |
DE102008023596A1 (de) * | 2008-05-14 | 2009-11-19 | Hella Kgaa Hueck & Co. | Vorschaltgerät zum Betrieb einer Wechselstrom-Hochdruck-Gasentladungslampe an einer Gleichspannungsquelle |
JP2010021130A (ja) * | 2008-06-12 | 2010-01-28 | Panasonic Corp | ランプ点灯システム |
EP2327278A1 (en) | 2008-08-19 | 2011-06-01 | Koninklijke Philips Electronics N.V. | Circuit and method for operating a high pressure lamp |
US8089215B2 (en) | 2008-08-26 | 2012-01-03 | Panasonic Electric Works Co., Ltd. | Discharge lamp lighting device, headlight device and vehicle having the same |
JP5280772B2 (ja) | 2008-09-01 | 2013-09-04 | 三菱電機照明株式会社 | 反射鏡付放電ランプ |
JP2010080243A (ja) * | 2008-09-25 | 2010-04-08 | Panasonic Electric Works Co Ltd | 放電灯点灯装置、前照灯装置、及び車両 |
JP2010123567A (ja) | 2008-10-21 | 2010-06-03 | Panasonic Electric Works Co Ltd | 高圧放電灯点灯装置およびこれを用いた画像表示装置 |
US8076866B2 (en) * | 2009-01-06 | 2011-12-13 | Osram Sylania Inc. | Electronic ballast having current waveform control within the half wave |
JP5585045B2 (ja) | 2009-10-22 | 2014-09-10 | セイコーエプソン株式会社 | 放電灯点灯装置、プロジェクター、及び放電灯の駆動方法 |
JP5180179B2 (ja) | 2009-12-14 | 2013-04-10 | パナソニック株式会社 | 高圧放電ランプ点灯装置、それを用いた高圧放電ランプ装置、その高圧放電ランプ装置を用いたプロジェクタ、および高圧放電ランプの点灯方法 |
US20130038238A1 (en) * | 2010-04-21 | 2013-02-14 | Koninklijke Philips Electronics N.V. | Pulsed operation of a discharge lamp |
WO2012062346A1 (de) * | 2010-11-08 | 2012-05-18 | Osram Ag | Schaltungsanordnung und verfahren zur schnellen kommutierung beim rechteckbetrieb von hochdruckentladungslampen |
US9137881B2 (en) * | 2010-12-14 | 2015-09-15 | Ushio Denki Kabushiki Kaisha | Discharge lamp lighting apparatus |
JP5884367B2 (ja) | 2011-09-27 | 2016-03-15 | セイコーエプソン株式会社 | プロジェクター |
JP6155619B2 (ja) | 2012-12-17 | 2017-07-05 | セイコーエプソン株式会社 | プロジェクターおよびプロジェクションシステム |
DE102013223138A1 (de) | 2013-11-13 | 2015-05-13 | Osram Gmbh | Verfahren zum Betreiben einer Entladungslampe und Projektionsanordnung |
JP5930230B2 (ja) | 2014-07-29 | 2016-06-08 | ウシオ電機株式会社 | 放電ランプ点灯装置、光源装置、画像形成装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3015992A1 (de) * | 1980-04-25 | 1981-11-05 | Ibm Deutschland Gmbh, 7000 Stuttgart | Programmierbare logische anordnung |
NZ201203A (en) * | 1981-07-28 | 1985-08-30 | Lee Electric Lighting | Arc lamp supply:fet bridge inverter powered by constant current source |
DE3149526A1 (de) * | 1981-12-14 | 1983-06-23 | Philips Patentverwaltung | Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen |
US4700113A (en) * | 1981-12-28 | 1987-10-13 | North American Philips Corporation | Variable high frequency ballast circuit |
DE3641070A1 (de) * | 1986-12-02 | 1988-06-16 | Philips Patentverwaltung | Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen mittels eines impulsfoermigen versorgungsstromes |
US4870327A (en) * | 1987-07-27 | 1989-09-26 | Avtech Corporation | High frequency, electronic fluorescent lamp ballast |
JPH04504481A (ja) * | 1989-01-20 | 1992-08-06 | ゲーテーエー・リヒト・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 低圧放電灯の動作設定及び運転方法 |
IN171097B (ko) * | 1989-03-16 | 1992-07-18 | Holec Syst & Componenten | |
DE3928881A1 (de) * | 1989-08-31 | 1991-03-14 | Niepenberg Dalex Werke | Diodenanordnung in widerstandsschweissmaschinen |
US5130605A (en) * | 1990-03-07 | 1992-07-14 | Hitachi, Ltd. | Lighting device for fluorescent lamp |
US5357173A (en) * | 1992-11-05 | 1994-10-18 | General Electric Company | Ballast circuit arrangement for a high pressure sodium lamp |
-
1995
- 1995-03-22 TW TW084102767A patent/TW339496B/zh not_active IP Right Cessation
- 1995-05-22 AT AT95917455T patent/ATE301919T1/de not_active IP Right Cessation
- 1995-05-22 CA CA002193680A patent/CA2193680C/en not_active Expired - Fee Related
- 1995-05-22 EP EP95917455A patent/EP0766906B1/en not_active Expired - Lifetime
- 1995-05-22 KR KR1019960707322A patent/KR100396234B1/ko not_active IP Right Cessation
- 1995-05-22 WO PCT/IB1995/000392 patent/WO1995035645A1/en active IP Right Grant
- 1995-05-22 CN CN95194560A patent/CN1085034C/zh not_active Expired - Lifetime
- 1995-05-22 DE DE69534368T patent/DE69534368T2/de not_active Expired - Lifetime
- 1995-05-22 ES ES95917455T patent/ES2247589T3/es not_active Expired - Lifetime
- 1995-05-22 JP JP50187396A patent/JP3741727B2/ja not_active Expired - Lifetime
- 1995-05-22 MX MX9606668A patent/MX9606668A/es not_active IP Right Cessation
- 1995-06-07 US US08/471,297 patent/US5608294A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69534368D1 (de) | 2005-09-15 |
WO1995035645A1 (en) | 1995-12-28 |
ES2247589T3 (es) | 2006-03-01 |
US5608294A (en) | 1997-03-04 |
CN1085034C (zh) | 2002-05-15 |
TW339496B (en) | 1998-09-01 |
KR100396234B1 (ko) | 2004-03-24 |
DE69534368T2 (de) | 2006-06-29 |
EP0766906A1 (en) | 1997-04-09 |
MX9606668A (es) | 1997-12-31 |
JPH10501919A (ja) | 1998-02-17 |
CA2193680C (en) | 2005-04-19 |
CA2193680A1 (en) | 1995-12-28 |
EP0766906B1 (en) | 2005-08-10 |
JP3741727B2 (ja) | 2006-02-01 |
CN1155368A (zh) | 1997-07-23 |
ATE301919T1 (de) | 2005-08-15 |
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