JP2004219753A - 映像投射装置 - Google Patents
映像投射装置 Download PDFInfo
- Publication number
- JP2004219753A JP2004219753A JP2003007450A JP2003007450A JP2004219753A JP 2004219753 A JP2004219753 A JP 2004219753A JP 2003007450 A JP2003007450 A JP 2003007450A JP 2003007450 A JP2003007450 A JP 2003007450A JP 2004219753 A JP2004219753 A JP 2004219753A
- Authority
- JP
- Japan
- Prior art keywords
- cooling air
- lamp bulb
- image projection
- housing
- blower
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 abstract 4
- 230000002093 peripheral effect Effects 0.000 description 21
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Projection Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003007450A JP2004219753A (ja) | 2003-01-15 | 2003-01-15 | 映像投射装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003007450A JP2004219753A (ja) | 2003-01-15 | 2003-01-15 | 映像投射装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004219753A true JP2004219753A (ja) | 2004-08-05 |
| JP2004219753A5 JP2004219753A5 (enExample) | 2006-01-19 |
Family
ID=32897549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003007450A Pending JP2004219753A (ja) | 2003-01-15 | 2003-01-15 | 映像投射装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004219753A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102832A1 (ja) * | 2007-02-23 | 2008-08-28 | Brother Kogyo Kabushiki Kaisha | プロジェクタ装置 |
| WO2013183129A1 (ja) * | 2012-06-06 | 2013-12-12 | Necディスプレイソリューションズ株式会社 | プロジェクター |
| US9010939B2 (en) | 2011-11-17 | 2015-04-21 | Ricoh Company, Limited | Image projection apparatus |
-
2003
- 2003-01-15 JP JP2003007450A patent/JP2004219753A/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102832A1 (ja) * | 2007-02-23 | 2008-08-28 | Brother Kogyo Kabushiki Kaisha | プロジェクタ装置 |
| JP2008209464A (ja) * | 2007-02-23 | 2008-09-11 | Brother Ind Ltd | プロジェクタ装置 |
| US9010939B2 (en) | 2011-11-17 | 2015-04-21 | Ricoh Company, Limited | Image projection apparatus |
| US9010940B2 (en) | 2011-11-17 | 2015-04-21 | Ricoh Company, Limited | Image projection apparatus |
| US9304381B2 (en) | 2011-11-17 | 2016-04-05 | Ricoh Company, Limited | Image projection apparatus |
| WO2013183129A1 (ja) * | 2012-06-06 | 2013-12-12 | Necディスプレイソリューションズ株式会社 | プロジェクター |
| JPWO2013183129A1 (ja) * | 2012-06-06 | 2016-01-21 | Necディスプレイソリューションズ株式会社 | プロジェクター |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051124 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051124 |
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| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20081113 |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081118 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090317 |