手書き文字認識
↑ CellWriter
↑ Undergraduate Research Opportunity Program
↑ MyScript Builder ソフトウェア開発キット
↑ Anoto Technology: Digital Pen and Paper, Anoto Group AB, http://www.anoto.com 2008年8月23日閲覧。
↑ Goldberg, H.E. (1915-12-28), Controller, United States Patent 1,116,663, http://users.erols.com/rwservices/pens/biblio70.html#GoldbergHE15
↑ Goldberg, H.E. (1915-12-28) (PDF), Controller, United States Patent 1,117,184 (full image), http://www.freepatentsonline.com/1117184.pdf
↑ Dimond, Tom (1957-12-01), Devices for reading handwritten characters, Proceedings of Eastern Joint Computer Conference, pp. 232–237, http://rwservices.no-ip.info:81/pens/biblio70.html#Dimond57 2008年8月23日閲覧。