Tsutomu Kimura Masanori Katoh Atsushi Hayashi Kazuyuki Kanda Daisuke Hara Kazunari Morimoto Application System of the Universal Sign Code - Development of the Portable Sign Presenter -. 678-681 2008 ICCHP http://dx.doi.org/10.1007/978-3-540-70540-6_97 conf/icchp/2008 db/conf/icchp/icchp2008.html#KimuraKHKHM08