JP2006106409A5 - - Google Patents

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Publication number
JP2006106409A5
JP2006106409A5 JP2004293752A JP2004293752A JP2006106409A5 JP 2006106409 A5 JP2006106409 A5 JP 2006106409A5 JP 2004293752 A JP2004293752 A JP 2004293752A JP 2004293752 A JP2004293752 A JP 2004293752A JP 2006106409 A5 JP2006106409 A5 JP 2006106409A5
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JP
Japan
Prior art keywords
discharge lamp
cooling
projection
rotation speed
cooling fan
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JP2004293752A
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Japanese (ja)
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JP4845364B2 (en
JP2006106409A (en
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Priority to JP2004293752A priority Critical patent/JP4845364B2/en
Priority claimed from JP2004293752A external-priority patent/JP4845364B2/en
Publication of JP2006106409A publication Critical patent/JP2006106409A/en
Publication of JP2006106409A5 publication Critical patent/JP2006106409A5/ja
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Publication of JP4845364B2 publication Critical patent/JP4845364B2/en
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Claims (7)

放電ランプから照射された光を用いて、投射手段により被投射面に画像を表示する投射型表示装置であって、
前記放電ランプ及び／又は前記投射手段を冷却する冷却ファンと、
前記冷却ファンを制御する制御回路部とを備え、
前記制御回路部は、前記冷却ファンの複数の回転速度を格納するメモリと、前記メモリにより格納された前記複数の回転速度のうち一の回転速度を選択する選択手段とを有しており、前記選択手段により選択された前記一の回転速度に基づいて、前記冷却ファンの回転速度を変更することを特徴とする投射型表示装置。 A projection type display device that displays an image on a projection surface by projection means using light emitted from a discharge lamp,
A cooling fan for cooling the discharge lamp and / or the projection means;
A control circuit unit for controlling the cooling fan,
The control circuit unit includes a memory that stores a plurality of rotation speeds of the cooling fan, and a selection unit that selects one rotation speed among the plurality of rotation speeds stored by the memory, A projection type display apparatus, wherein the rotation speed of the cooling fan is changed based on the one rotation speed selected by the selection means. 前記制御回路部は、
前記選択手段が選択する回転速度に基づいて、前記放電ランプの冷却時間を決定する決定手段を更に有し、
前記決定手段に基づいて、前記放電ランプの冷却時間を制御することを特徴とする請求項１記載の投射型表示装置。 The control circuit unit is
A determining means for determining a cooling time of the discharge lamp based on a rotation speed selected by the selecting means;
The projection display device according to claim 1, wherein a cooling time of the discharge lamp is controlled based on the determining means. 前記制御回路部は、
前記放電ランプの点灯を命令する点灯命令手段を更に有し、
前記選択手段は、前記放電ランプの冷却中に前記点灯命令手段により点灯命令が出されると、最も高速な回転速度を選択することを特徴とする請求項１記載の投射型表示装置。 The control circuit unit is
It further has a lighting command means for commanding lighting of the discharge lamp,
2. The projection type display device according to claim 1, wherein the selection means selects the fastest rotation speed when a lighting command is issued by the lighting command means during cooling of the discharge lamp. 前記放電ランプの冷却時間を表示する表示手段を更に有することを特徴とする請求項１記載の投射型表示装置。   2. The projection display device according to claim 1, further comprising display means for displaying a cooling time of the discharge lamp. 前記放電ランプの冷却が終了したことを通知する通知手段を更に有することを特徴とする請求項１記載の投射型表示装置。   2. The projection display device according to claim 1, further comprising notification means for notifying that cooling of the discharge lamp has been completed. 放電ランプから照射された光を用いて、投射手段により被投射面に画像を表示する投射型表示装置であって、
前記放電ランプ及び／又は前記投射手段を冷却する冷却ファンと、
前記放電ランプが消灯し、前記放電ランプが前記冷却ファンによって冷却された後に、前記冷却ファンを駆動させる駆動手段とを有することを特徴とする投射型表示装置。 A projection type display device that displays an image on a projection surface by projection means using light emitted from a discharge lamp,
A cooling fan for cooling the discharge lamp and / or the projection means;
And a driving unit that drives the cooling fan after the discharge lamp is turned off and the discharge lamp is cooled by the cooling fan. 投射型表示装置用の放電ランプの冷却を制御する制御方法であって、
前記放電ランプの冷却中に前記放電ランプの点灯操作が行われたかどうか判断する判断ステップと、
前記判断ステップで前記放電ランプの点灯操作が行われたと判断された場合に、前記冷却ファンの回転速度をより高速な回転速度に変更する変更ステップと、
前記変更ステップで変更された前記冷却ファンの回転速度に基づいて、前記放電ランプの冷却時間を決定する決定ステップと、
前記決定ステップで決定された前記冷却時間が終了したときに、前記放電ランプを点灯させる点灯ステップとを有することを特徴とする制御方法。 A control method for controlling cooling of a discharge lamp for a projection display device,
A determination step of determining whether or not a lighting operation of the discharge lamp was performed during cooling of the discharge lamp;
A change step of changing the rotation speed of the cooling fan to a higher rotation speed when it is determined in the determination step that the lighting operation of the discharge lamp has been performed;
A determining step of determining a cooling time of the discharge lamp based on the rotation speed of the cooling fan changed in the changing step;
And a lighting step of lighting the discharge lamp when the cooling time determined in the determining step ends.
JP2004293752A 2004-10-06 2004-10-06 Projection display device and control method Expired - Fee Related JP4845364B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004293752A JP4845364B2 (en) 2004-10-06 2004-10-06 Projection display device and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004293752A JP4845364B2 (en) 2004-10-06 2004-10-06 Projection display device and control method

Publications (3)

Publication Number Publication Date
JP2006106409A JP2006106409A (en) 2006-04-20
JP2006106409A5 true JP2006106409A5 (en) 2007-11-22
JP4845364B2 JP4845364B2 (en) 2011-12-28

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Family Applications (1)

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JP2004293752A Expired - Fee Related JP4845364B2 (en) 2004-10-06 2004-10-06 Projection display device and control method

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Cited By (1)

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US9125208B2 (en) 2008-11-10 2015-09-01 Blackberry Limited Method and apparatus of transition to a battery efficient state or configuration by indicating end of data transmission in long term evolution

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DK2212640T3 (en) 2007-10-10 2014-10-06 Prime Datum Inc INTEGRATED COOL TOWER VENTILATOR SYSTEM AND METHOD
EP2276990B1 (en) * 2008-03-24 2019-04-03 Prime Datum, Inc. Integrated fan drive system forair-cooled heat exchanger (ache)
JP2010032944A (en) 2008-07-31 2010-02-12 Panasonic Corp Projection display device
JP2010122496A (en) * 2008-11-20 2010-06-03 Seiko Epson Corp Projector, and method of controlling projector
JP5668274B2 (en) * 2009-03-23 2015-02-12 ソニー株式会社 Projection type display device and light source cooling method
JP2020170041A (en) * 2019-04-01 2020-10-15 キヤノン株式会社 Light source device, lithography apparatus, and method of producing article
CN110617463A (en) * 2019-09-27 2019-12-27 广州飞达音响股份有限公司 Heat dissipation system and heat dissipation method for prolonging service life of stage discharge lamp

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JPH04147291A (en) * 1990-10-11 1992-05-20 Matsushita Electric Ind Co Ltd Cooling control device
JP2000131763A (en) * 1998-10-26 2000-05-12 Minolta Co Ltd Projector
JP2002139797A (en) * 2000-11-02 2002-05-17 Sony Corp Projection type display device
JP2002182304A (en) * 2000-12-11 2002-06-26 Nec Viewtechnology Ltd Projector unit, method of reducing its electric powder consumption and recording medium recorded with its program
JP2002244213A (en) * 2001-02-19 2002-08-30 Seiko Epson Corp Projector and cooling control method for projector
JP2002258237A (en) * 2001-02-27 2002-09-11 Sanyo Electric Co Ltd Liquid crystal projector
JP4151320B2 (en) * 2002-06-19 2008-09-17 セイコーエプソン株式会社 Projector, control method, and program
JP3792641B2 (en) * 2002-11-13 2006-07-05 Ｎｅｃビューテクノロジー株式会社 Projector device cooling method and projector device
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9125208B2 (en) 2008-11-10 2015-09-01 Blackberry Limited Method and apparatus of transition to a battery efficient state or configuration by indicating end of data transmission in long term evolution

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