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/

qualcomm_final.ppsx

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.tistory.com/178

Our group suggested this idea. in front of Dr.Paul E, Jacobs (Chief Executive Officer)

at Qualcomm IT Tour 2009 (Seungsoo Kim, Jaeyong Ko, Karen Oh)

Qualcomm represent this technology at MWC 2011.

Wow , It's not "Get Real"  :))))))))
When I visited there, I felt good impression from Qualcomm HQ

Thanks, all engineers in Qualcomm & make a great mobile ecosystem.