ATE419736T1 - Lampensteuerung mit erhöhter lampenslebensdauer für einen projektor - Google Patents
Lampensteuerung mit erhöhter lampenslebensdauer für einen projektorInfo
- Publication number
- ATE419736T1 ATE419736T1 AT05011301T AT05011301T ATE419736T1 AT E419736 T1 ATE419736 T1 AT E419736T1 AT 05011301 T AT05011301 T AT 05011301T AT 05011301 T AT05011301 T AT 05011301T AT E419736 T1 ATE419736 T1 AT E419736T1
- Authority
- AT
- Austria
- Prior art keywords
- lamp
- output
- controller
- pass filter
- level
- Prior art date
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
- H05B41/288—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
-
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Projection Apparatus (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05011301A EP1727401B1 (de) | 2005-05-25 | 2005-05-25 | Lampensteuerung mit erhöhter Lampenslebensdauer für einen Projektor |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE419736T1 true ATE419736T1 (de) | 2009-01-15 |
Family
ID=35056986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05011301T ATE419736T1 (de) | 2005-05-25 | 2005-05-25 | Lampensteuerung mit erhöhter lampenslebensdauer für einen projektor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7432667B2 (de) |
EP (1) | EP1727401B1 (de) |
JP (1) | JP2006332057A (de) |
AT (1) | ATE419736T1 (de) |
DE (1) | DE602005012063D1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7434941B2 (en) * | 2006-05-30 | 2008-10-14 | Hewlett-Packard Development Company, L.P. | System and method for arc lamp power control |
US20080048577A1 (en) * | 2006-08-26 | 2008-02-28 | Matthew Beasley | Projector HID lam ballast having LLC resonant converter |
US20080048578A1 (en) * | 2006-08-26 | 2008-02-28 | Matthew Beasley | Projector HID lamp ballast having auxiliary resonant circuit |
KR20090126285A (ko) * | 2007-03-20 | 2009-12-08 | 크로마 테크놀러지 코포레이션 | 광원 |
WO2009072051A1 (en) * | 2007-12-03 | 2009-06-11 | Philips Intellectual Property & Standards Gmbh | Method of driving a gas-discharge lamp |
JP5431449B2 (ja) * | 2008-04-01 | 2014-03-05 | オスラム ゲーエムベーハー | 高圧放電ランプを製造する方法、高圧放電ランプによって光を供給する方法、およびディジタルビデオプロジェクタ |
US8111809B2 (en) | 2009-01-29 | 2012-02-07 | The Invention Science Fund I, Llc | Diagnostic delivery service |
US8130904B2 (en) | 2009-01-29 | 2012-03-06 | The Invention Science Fund I, Llc | Diagnostic delivery service |
DE102010031523A1 (de) * | 2010-07-19 | 2012-01-19 | Osram Gesellschaft mit beschränkter Haftung | Verfahren zum optimierten Betrieb einer Hochdruckentladungslampe |
CN102720968B (zh) * | 2012-06-13 | 2014-06-04 | 浙江生辉照明有限公司 | 一种led照明装置及led照明装置的寿命验证方法 |
JP2016173450A (ja) * | 2015-03-17 | 2016-09-29 | セイコーエプソン株式会社 | プロジェクター、およびプロジェクターの制御方法 |
JP2016173451A (ja) * | 2015-03-17 | 2016-09-29 | セイコーエプソン株式会社 | プロジェクター、およびプロジェクターの制御方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233558A (en) * | 1978-09-22 | 1980-11-11 | The United States Of America As Represented By The Secretary Of The Navy | Regulated dual DC power supply |
US4234820A (en) * | 1979-04-06 | 1980-11-18 | Controlled Environments Systems | Light regulation system |
US4373146A (en) | 1980-10-20 | 1983-02-08 | Gte Products Corporation | Method and circuit for operating discharge lamp |
US4682084A (en) * | 1985-08-28 | 1987-07-21 | Innovative Controls, Incorporated | High intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lamp |
US5446342A (en) * | 1985-11-06 | 1995-08-29 | Nilssen; Ole K. | Light-output-controlled fluorescent lighting fixture |
ZA862614B (en) | 1986-04-08 | 1986-12-30 | David John Cockram | Controller for gas discharge lamps |
US5404080A (en) * | 1989-09-21 | 1995-04-04 | Etta Industries, Inc. | Lamp brightness control circuit with ambient light compensation |
US5128595A (en) * | 1990-10-23 | 1992-07-07 | Minami International Corporation | Fader for miniature lights |
US5218275A (en) * | 1992-04-02 | 1993-06-08 | Thomson Consumer Electronics, Inc. | Beam landing location error correction arrangement |
TW339496B (en) | 1994-06-22 | 1998-09-01 | Philips Electronics Nv | Method and circuit arrangement for operating a high-pressure discharge lamp |
US5789723A (en) * | 1996-08-23 | 1998-08-04 | Hewlett-Packard Company | Reduced flicker fusing system for use in electrophotographic printers and copiers |
US6075326A (en) | 1998-04-20 | 2000-06-13 | Nostwick; Allan A. | High intensity discharge lamp ballast and lighting system |
JP2000028988A (ja) * | 1998-07-08 | 2000-01-28 | Toshiba Corp | 液晶プロジェクタ装置 |
US6326740B1 (en) * | 1998-12-22 | 2001-12-04 | Philips Electronics North America Corporation | High frequency electronic ballast for multiple lamp independent operation |
US6215252B1 (en) * | 1998-12-29 | 2001-04-10 | Philips Electronics North America Corporation | Method and apparatus for lamp control |
DE19947408C2 (de) * | 1999-10-01 | 2001-10-31 | Bayerische Motoren Werke Ag | System zur Leuchtweitenregelung der Scheinwerfer bei Kraftfahrzeugen |
JP4769369B2 (ja) * | 2000-05-29 | 2011-09-07 | キヤノン株式会社 | プロジェクション装置 |
DE10136474A1 (de) * | 2001-07-27 | 2003-02-13 | Philips Corp Intellectual Pty | Elektronischer Schaltkreis zum Betreiben einer HID-Lampe und Bildprojektor |
DE10232501A1 (de) * | 2002-07-18 | 2004-01-29 | Philips Intellectual Property & Standards Gmbh | Projektionssystem |
DE10248376A1 (de) | 2002-10-17 | 2004-04-29 | Philips Intellectual Property & Standards Gmbh | Projektionssystem |
JP2007531919A (ja) | 2004-03-16 | 2007-11-08 | サイン−トロニツク・アクチエンゲゼルシヤフト | ほぼ一定の光度を有する光ビームを発生する方法 |
US7116053B2 (en) * | 2005-01-07 | 2006-10-03 | Ushio America, Inc. | Method for arc attachment stabilization |
-
2005
- 2005-05-25 EP EP05011301A patent/EP1727401B1/de not_active Not-in-force
- 2005-05-25 AT AT05011301T patent/ATE419736T1/de not_active IP Right Cessation
- 2005-05-25 DE DE602005012063T patent/DE602005012063D1/de active Active
-
2006
- 2006-05-23 US US11/438,291 patent/US7432667B2/en not_active Expired - Fee Related
- 2006-05-24 JP JP2006144079A patent/JP2006332057A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US7432667B2 (en) | 2008-10-07 |
US20060273744A1 (en) | 2006-12-07 |
JP2006332057A (ja) | 2006-12-07 |
EP1727401A1 (de) | 2006-11-29 |
DE602005012063D1 (de) | 2009-02-12 |
EP1727401B1 (de) | 2008-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |