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Volume: 32 | Article ID: art00007
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Projection type 3D display using spinning screen
  DOI :  10.2352/ISSN.2470-1173.2020.2.SDA-099  Published OnlineJanuary 2020
Abstract

We propose 3D display that scans light rays from projector and enables stereoscopic display by arranging a number of long and thin mirror scanners with a gap and spinning each mirror scanner. This proposal aims at large-screen 3D display that allows multiple people to observe simultaneously with the naked eye. In previous study, multi-projection type 3D display was proposed as largescreen 3D display. However, many projectors make installation and adjustment complicated. Therefore, we have proposed 3D display that can display large screen with single projector in the past. However, there is a problem that the screen vibrates due to the screen swing mechanism, the scanning speed cannot be increased, and the displayed image appears to flicker. Our new proposed method can reduce the screen vibration by the spin mechanism, increase the scanning speed, and prevent the displayed image from flickering. Computer simulation was performed to confirm the principle of the proposed method, and it was confirmed that appropriate parallax could be presented. The necessary conditions and problems when manufacturing the actual machine were considered, and the prototype was designed.

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Hiroki Hayakawa, Tomohiro Yendo, "Projection type 3D display using spinning screenin Proc. IS&T Int’l. Symp. on Electronic Imaging: Stereoscopic Displays and Applications XXXI,  2020,  pp 99-1 - 99-5,  https://doi.org/10.2352/ISSN.2470-1173.2020.2.SDA-099

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