A handheld or pocketsized electronic apparatus, such as a mobile telephone, having a display unit and a touch surface that is position-sensitive in a first and second direction for control of the electronic apparatus; the display unit having a display area taking up most of the front side of the apparatus...http://www.google.de/patents/US7236159?utm_source=gb-gplus-sharePatent US7236159 - Handheld or pocketsized electronic apparatus and hand-controlled input device
