Hsieh, Hsing-Pang; Liou, Jing-Ping; Chang, Jang-Yang; Chang, Chun-Wei Patent: US2005/267108 A1, 2005 ; Title/Abstract Full Text Show Details Hsieh, Hsing-Pang; Liou, Jing-Ping; Chang, Jang-Yang; Chang, Chun-Wei Patent: US2005/267194 A1, 2005 ;