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Cylindrical spatial image projection device using half mirror |
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Refractive optical screen and floating hologram system using same |
Jang Won Suh, Tae Gil Yang, Sang Hoon Han |
2022-07-12 |
| 11226492 |
Three-dimensional image projection |
Seung Cheol Kim, Tae Gil Yang, Sang Hoon Han |
2022-01-18 |
| 10761342 |
Floating hologram apparatus |
Seung Cheol Kim, Tae Gil Yang, Sang Hoon Han |
2020-09-01 |
| 10234692 |
Floating hologram apparatus |
Seung Cheol Kim, Tae Gil Yang, Sang Hoon Han |
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| 9237382 |
Content relaying scheme |
Suho Park, Sun-Jong Kwon, Gyu-Tae Baek |
2016-01-12 |
| 8769292 |
Method for generating standard file based on steganography technology and apparatus and method for validating integrity of metadata in the standard file |
Jong-An Kim, Pyong-Hee Han |
2014-07-01 |