JP2015022020A5 - - Google Patents
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- JP2015022020A5 JP2015022020A5 JP2013147860A JP2013147860A JP2015022020A5 JP 2015022020 A5 JP2015022020 A5 JP 2015022020A5 JP 2013147860 A JP2013147860 A JP 2013147860A JP 2013147860 A JP2013147860 A JP 2013147860A JP 2015022020 A5 JP2015022020 A5 JP 2015022020A5
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- JP
- Japan
- Prior art keywords
- projection
- projection optical
- optical apparatus
- image
- unit
- 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.)
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- 230000003287 optical Effects 0.000 claims 14
- 238000001514 detection method Methods 0.000 claims 5
- 238000001816 cooling Methods 0.000 claims 3
- 230000017525 heat dissipation Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
Claims (6)
前記投射レンズ保持部に前記投射レンズ保持部の熱を放熱する放熱手段を設けたことを特徴とする投射光学装置。 In the projection optical device that projects the image generated by the image generation element toward the projection surface via the projection lens held by the projection lens holding unit,
A projection optical apparatus, wherein the projection lens holding part is provided with a heat radiating means for radiating heat of the projection lens holding part.
前記投射レンズ保持部と、前記放熱手段とは、金属製の部材で連結されていることを特徴とする投射光学装置。 The projection optical apparatus according to claim 1,
The projection optical apparatus, wherein the projection lens holding part and the heat radiating means are connected by a metal member.
前記放熱手段は、前記画像生成素子の熱も放熱することを特徴とする投射光学装置。 In the projection optical apparatus according to claim 1 or 2,
The projection optical apparatus, wherein the heat radiating means also radiates heat of the image generating element.
前記放熱手段を冷却する冷却手段を備えたことを特徴とする投射光学装置。 In the projection optical apparatus according to any one of claims 1 to 3,
A projection optical apparatus comprising cooling means for cooling the heat dissipation means.
前記投射レンズ保持部の温度を検知する第１温度検知手段と、
前記放熱手段の温度を検知する第２温度検知手段と、
前記第１温度検知手段の検知結果と第２温度検知手段の検知結果とに基づいて、前記冷却手段を制御する制御手段とを備えたことを特徴とする投射光学装置。 The projection optical apparatus according to claim 4,
First temperature detecting means for detecting the temperature of the projection lens holding unit;
Second temperature detection means for detecting the temperature of the heat dissipation means;
A projection optical apparatus comprising: a control unit that controls the cooling unit based on a detection result of the first temperature detection unit and a detection result of the second temperature detection unit.
前記投射光学部として、請求項１乃至５いずれかに記載の投射光学装置を用いたことを特徴とする画像投射装置。 In an image projection apparatus comprising: a light source; an image generation element that generates an image using light from the light source; and a projection optical unit that includes a plurality of optical elements and projects the image toward a projection surface.
An image projection apparatus using the projection optical apparatus according to claim 1 as the projection optical unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013147860A JP2015022020A (en) | 2013-07-16 | 2013-07-16 | Projection optical device and image projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013147860A JP2015022020A (en) | 2013-07-16 | 2013-07-16 | Projection optical device and image projection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015022020A JP2015022020A (en) | 2015-02-02 |
| JP2015022020A5 true JP2015022020A5 (en) | 2017-01-12 |
Family
ID=52486553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013147860A Pending JP2015022020A (en) | 2013-07-16 | 2013-07-16 | Projection optical device and image projection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2015022020A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6507899B2 (en) * | 2015-07-14 | 2019-05-08 | 株式会社リコー | Image projection device |
| JP2017032713A (en) | 2015-07-30 | 2017-02-09 | 株式会社リコー | Projection lens unit, optical engine, and image projection device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006139022A (en) * | 2004-11-11 | 2006-06-01 | Seiko Epson Corp | Projector |
| JP4952969B2 (en) * | 2005-04-21 | 2012-06-13 | カシオ計算機株式会社 | Data projector |
| JP2010060884A (en) * | 2008-09-04 | 2010-03-18 | Casio Comput Co Ltd | Projection device, projection method and program |
-
2013
- 2013-07-16 JP JP2013147860A patent/JP2015022020A/en active Pending
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