A data processing apparatus includes a coordinate detecting device outputting coordinate data of a touch point generated by a touch on a coordinate input panel, a keyboard outputting key entry data and a processor executing predetermined processes corresponding to the coordinate data and the key entry...http://www.google.fr/patents/US6532003?utm_source=gb-gplus-shareBrevet US6532003 - Data processing apparatus having control element for detecting false touch
Data processing apparatus having control element for detecting false touch
