Takuji Narumi Atsushi Hiyama Tomohiro Tanikawa Michitaka Hirose Mobile interface using visible-light communication technology for pervasive computing environment. 89 2008 SIGGRAPH Posters http://doi.acm.org/10.1145/1400885.1400980 conf/siggraph/2008posters db/conf/siggraph/siggraph2008posters.html#NarumiHTH08