A handwritten data input device comprises a coordinate detection tablet for detecting handwritten data input by handwriting with an input pen, and a program recording medium therefore, and is characterized in that, merely as a particular symbol such as a check mark is input by handwriting to an input...http://www.google.fr/patents/US6525716?utm_source=gb-gplus-shareBrevet US6525716 - Handwritten data input device having coordinate detection tablet
Handwritten data input device having coordinate detection tablet
