JP2001108956A5 - - Google Patents

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Publication number
JP2001108956A5
JP2001108956A5 JP1999283828A JP28382899A JP2001108956A5 JP 2001108956 A5 JP2001108956 A5 JP 2001108956A5 JP 1999283828 A JP1999283828 A JP 1999283828A JP 28382899 A JP28382899 A JP 28382899A JP 2001108956 A5 JP2001108956 A5 JP 2001108956A5
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JP
Japan
Prior art keywords
image
rear projection
light
display system
projection screen
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JP1999283828A
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Japanese (ja)
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JP4023048B2 (en
JP2001108956A (en
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Priority to JP28382899A priority Critical patent/JP4023048B2/en
Priority claimed from JP28382899A external-priority patent/JP4023048B2/en
Publication of JP2001108956A publication Critical patent/JP2001108956A/en
Publication of JP2001108956A5 publication Critical patent/JP2001108956A5/ja
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Publication of JP4023048B2 publication Critical patent/JP4023048B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (4)

少くとも一台のプロジェクタからなる画像投写手段と、背面投写用スクリーンからなる映像光散乱透過手段と、該映像光散乱透過手段を壁面の一部とし、その他の壁面が外部光の侵入を遮断する光遮断壁面からなり、内部に画像投写手段を格納する匡体と、映像光散乱透過手段の匡体外部側の表面から発する光を匡体内部側に反射する投写画像光反射手段と、該映像光散乱透過手段の匡体内部側表面の少くとも一部を撮影するために、該匡体内部に少くとも一つの撮影手段と、を具備することを特徴とする背面投写型映像表示システム。Image projection means comprising at least one projector, image light scattering transmission means comprising a rear projection screen, and the image light scattering transmission means as a part of the wall surface, and other wall surfaces prevent intrusion of external light. A housing made up of a light blocking wall and storing the image projection means therein; a projection image light reflecting means for reflecting light emitted from the surface outside the housing of the image light scattering transmission means to the inside of the housing; A rear projection type image display system comprising: at least one photographing means inside the housing for photographing at least a part of a surface inside the housing of the light scattering transmission means. 前記背面投写型映像表示システムにおいて、該撮影手段が、該映像光散乱透過手段の少なくとも一部の表面を撮影する際に、該画像投写手段から投写された光の該映像光散乱透過手段の表面で鏡面反射された光成分を受光しない位置に設置することを特徴とする請求項1記載の背面投写型映像表示システム。In the rear projection type image display system, the surface of the image light scattering transmission means of the light projected from the image projection means when the imaging means images at least a part of the surface of the image light scattering transmission means. 2. The rear projection type image display system according to claim 1, wherein the rear projection type image display system is installed at a position where the light component reflected by the mirror is not received. 光を透過させる背面投写用スクリーンと、
前記背面投写用スクリーンに画像を投写する少くとも一台のプロジェクタと、
前記背面投写用スクリーンに対して前記プロジェクタと反対側に設け、前記プロジェクタから投写される画像のうち、前記背面投写用スクリーンを透過する光を反射する投写画像光反射手段と、
前記反射される光を受け、前記背面投写用スクリーンに投写された画像を撮影する撮影手段と、を有することを特徴とする映像表示システム。
A rear projection screen that transmits light;
At least one projector for projecting an image onto the rear projection screen;
A projection image light reflecting means that is provided on the opposite side of the projector with respect to the rear projection screen and reflects light transmitted through the rear projection screen among images projected from the projector;
An image display system comprising: photographing means for receiving the reflected light and photographing an image projected on the rear projection screen.
請求項3記載の映像表示システムであって、
前記撮影手段は、前記背面投写用スクリーンに対して前記プロジェクタが設置される側にあり、前記背面投写用スクリーンに投写される画像の一部の領域を撮影する場合、前記プロジェクタから投写された光の前記背面投写用スクリーンの表面で鏡面反射された光成分を受光しない位置に設置することを特徴とする映像表示システム。
The video display system according to claim 3,
The photographing means is on the side where the projector is installed with respect to the rear projection screen, and when photographing a partial area of an image projected on the rear projection screen, the light projected from the projector A video display system comprising: a light component that is specularly reflected by the surface of the rear projection screen;
JP28382899A 1999-10-05 1999-10-05 Rear projection image display system Expired - Fee Related JP4023048B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28382899A JP4023048B2 (en) 1999-10-05 1999-10-05 Rear projection image display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28382899A JP4023048B2 (en) 1999-10-05 1999-10-05 Rear projection image display system

Publications (3)

Publication Number Publication Date
JP2001108956A JP2001108956A (en) 2001-04-20
JP2001108956A5 true JP2001108956A5 (en) 2005-08-11
JP4023048B2 JP4023048B2 (en) 2007-12-19

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ID=17670693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28382899A Expired - Fee Related JP4023048B2 (en) 1999-10-05 1999-10-05 Rear projection image display system

Country Status (1)

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JP (1) JP4023048B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4533566B2 (en) * 2001-09-21 2010-09-01 株式会社リコー Writable display device
JP5309827B2 (en) * 2008-09-19 2013-10-09 セイコーエプソン株式会社 projector
KR101825779B1 (en) * 2011-08-02 2018-02-05 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. Projection capture system and method
JP6427888B2 (en) * 2014-02-06 2018-11-28 株式会社リコー Image display system, image display apparatus, and image display method

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