About DOEDA ORIE
About SHIINA HONOKA
About HAYASHI HIROKI
About MIYAO HIDETOSHI
About 教育システム情報学会全国大会講演論文集(CD-ROM)
About infrared radiation
About light emission
About projector(image)
About screen
About indicating device
About light-emitting device
About pointing device
About I/O units
About 指輪
About 発光デバイス
About 影
About ポインティングシステム
About 操作性