JP4480358B2 - 投写型表示装置 - Google Patents
投写型表示装置 Download PDFInfo
- Publication number
- JP4480358B2 JP4480358B2 JP2003270550A JP2003270550A JP4480358B2 JP 4480358 B2 JP4480358 B2 JP 4480358B2 JP 2003270550 A JP2003270550 A JP 2003270550A JP 2003270550 A JP2003270550 A JP 2003270550A JP 4480358 B2 JP4480358 B2 JP 4480358B2
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- image
- projection
- light
- projected
- 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.)
- Expired - Fee Related
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- Projection Apparatus (AREA)
Description
2,2A ケーシング
3 赤外線投写機構
11 光源
12 反射鏡
13 集光レンズ
14 インテグレータロッド
15 カラーホイール
16 集光レンズ
17 全反射プリズム
18 DMDパネル
19 投写レンズ
21 赤外線半導体レーザ
22 コリメータレンズ
23 ポリゴンミラー
24 投写レンズ
IR 赤外線(軌跡)
IR’ 幅が広い赤外線(軌跡)
IRP 赤外線スポット
IRP’ 上下に尾を引いた赤外線スポット
S スクリーン
V 投写画像
Claims (3)
- スクリーンに画像を投写する投写型表示装置において、前記スクリーンに投写された投写画像に重畳して赤外線を投写する赤外線投写機構を一体に備え、前記赤外線投写機構の光源として赤外線半導体レーザを用い、前記赤外線半導体レーザから出射される赤外線はブルーミング現象やスミア現象が生じる程度に高輝度であり、前記赤外線投写機構は、前記画像上で前記赤外線を走査させるための走査機構を備えることを特徴とする投写型表示装置。
- 前記赤外線は連続光であることを特徴とする請求項1に記載の投写型表示装置。
- 前記赤外線は不連続光であることを特徴とする請求項1に記載の投写型表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003270550A JP4480358B2 (ja) | 2003-07-03 | 2003-07-03 | 投写型表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003270550A JP4480358B2 (ja) | 2003-07-03 | 2003-07-03 | 投写型表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005025113A JP2005025113A (ja) | 2005-01-27 |
JP4480358B2 true JP4480358B2 (ja) | 2010-06-16 |
Family
ID=34190474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003270550A Expired - Fee Related JP4480358B2 (ja) | 2003-07-03 | 2003-07-03 | 投写型表示装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4480358B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5652801B2 (ja) * | 2005-03-31 | 2015-01-14 | レノボ・イノベーションズ・リミテッド(香港) | 撮影防止システム、撮影防止方法、発光装置および反射装置 |
JP4807003B2 (ja) * | 2005-08-16 | 2011-11-02 | カシオ計算機株式会社 | 投影装置及び投影方法 |
JP2010532014A (ja) * | 2007-06-27 | 2010-09-30 | トムソン ライセンシング | ビデオ録画の防止のための周波数領域及びスペクトル領域のソリューション |
JP5161655B2 (ja) * | 2008-05-22 | 2013-03-13 | 日本放送協会 | 盗撮防止装置 |
JP2010020263A (ja) * | 2008-07-10 | 2010-01-28 | Isafe:Kk | 盗撮防止装置 |
JP2010231748A (ja) * | 2009-03-26 | 2010-10-14 | Isafe:Kk | 盗撮防止装置 |
KR101539349B1 (ko) * | 2014-11-17 | 2015-07-27 | 에르고인벤투스 주식회사 | 복합 레이저 파장을 이용한 이미지 촬영 방해 장치 |
-
2003
- 2003-07-03 JP JP2003270550A patent/JP4480358B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005025113A (ja) | 2005-01-27 |
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