JP2009271375A5 - - Google Patents
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- Publication number
- JP2009271375A5 JP2009271375A5 JP2008122541A JP2008122541A JP2009271375A5 JP 2009271375 A5 JP2009271375 A5 JP 2009271375A5 JP 2008122541 A JP2008122541 A JP 2008122541A JP 2008122541 A JP2008122541 A JP 2008122541A JP 2009271375 A5 JP2009271375 A5 JP 2009271375A5
- Authority
- JP
- Japan
- Prior art keywords
- light
- mirror surface
- deflection element
- light deflection
- rotation
- 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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Claims (4)
ミラー面及び該ミラー面を回動させる回動軸を有し、該回動軸で回動する前記ミラー面にて光を反射することにより光の偏向を行う第１光偏向素子と、
ミラー面及び該ミラー面をそれぞれ異なる方向に回動させる２つの回動軸を有し、該２つの回動軸で回動する前記ミラー面にて光を反射することにより光の偏向を行う第２光偏向素子と
を備え、
前記第１光偏向素子のミラー面の回動により表示する画像の水平方向に光を走査し、前記第１光偏向素子にて走査された光を、前記水平方向の走査角度が更に拡大するように、前記第２光偏向素子の一の回動軸によるミラー面の回動により前記水平方向に走査するようにしてあること
を特徴とする投影型画像表示装置。 In a projection-type image display device that displays an image by deflecting and projecting light from a light source by a light deflection element,
A first light deflection element having a mirror surface and a pivot shaft for pivoting the mirror surface, and deflecting light by reflecting light on the mirror surface pivoted by the pivot shaft;
A mirror surface and two rotation shafts for rotating the mirror surfaces in different directions, respectively, and deflecting light by reflecting light on the mirror surface rotated by the two rotation shafts. With two light deflection elements,
The light is scanned in the horizontal direction of the image to be displayed by rotating the mirror surface of the first light deflection element, and the scanning angle in the horizontal direction of the light scanned by the first light deflection element is further expanded. In addition, the projection type image display apparatus is configured to scan in the horizontal direction by rotating a mirror surface about one rotation axis of the second light deflection element .
を特徴とする請求項１に記載の投影型画像表示装置。 The rotation of the mirror surface by the one rotation axis of the second light deflection element and the rotation of the mirror surface of the first light deflection element are performed in the same phase. Item 4. The projection type image display device according to Item 1 .
を特徴とする請求項１又は請求項２に記載の投影型画像表示装置。 Projection type image display apparatus according to claim 1 or claim 2, characterized in that it comprises a plurality of said second optical deflection element.
を特徴とする請求項３に記載の投影型画像表示装置。
に記載の投影型画像表示装置。 4. The projection image according to claim 3 , wherein one rotation axis of each of the plurality of second light deflection elements is arranged in parallel to each other, and the other rotation axes are arranged to coincide with each other. Display device.
The projection type image display apparatus described in 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008122541A JP2009271375A (en) | 2008-05-08 | 2008-05-08 | Projection image display |
| PCT/JP2009/058475 WO2009136588A1 (en) | 2008-05-08 | 2009-04-30 | Projection image display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008122541A JP2009271375A (en) | 2008-05-08 | 2008-05-08 | Projection image display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009271375A JP2009271375A (en) | 2009-11-19 |
| JP2009271375A5 true JP2009271375A5 (en) | 2010-12-09 |
Family
ID=41264643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008122541A Pending JP2009271375A (en) | 2008-05-08 | 2008-05-08 | Projection image display |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009271375A (en) |
| WO (1) | WO2009136588A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6770502B2 (en) * | 2017-11-22 | 2020-10-14 | キヤノン株式会社 | Communication devices, display devices, their control methods, programs and display systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397447A (en) * | 1977-02-04 | 1978-08-25 | Canon Inc | Optical scanning system |
| KR20040020864A (en) * | 2000-11-03 | 2004-03-09 | 마이크로비젼, 인코퍼레이티드 | Frequency tunable resonant scanner and method of making |
| JP2007163817A (en) * | 2005-12-14 | 2007-06-28 | Canon Inc | Optical deflector and optical equipment using the same |
-
2008
- 2008-05-08 JP JP2008122541A patent/JP2009271375A/en active Pending
-
2009
- 2009-04-30 WO PCT/JP2009/058475 patent/WO2009136588A1/en active Application Filing
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