pen recognition1 Qualcomm's ultrasonic pen Qualcomm's ultrasonic pen demo transcribes from paper to device US : http://www.engadget.com/2011/02/15/qualcomms-ultrasonic-pen-demo-transcribes-from-paper-to-device/ KR : http://kr.engadget.com/2011/02/21/qualcomm-ultrasonic-pen/ Choong-Hyun Kim, Yun-young Park, Wan-ki Hong, Ji-Sun Go, Jong-Hyun Kim, Jung-eun Song, Hyun-Woong Choi Sung-Ha Woo background of this suggestion : http://sigma6.tisto.. 2011. 4. 24. 이전 1 다음
