A curved sliding-type portable communication apparatus and a sliding device thereof are provided. The sliding-type portable communication apparatus includes a main body which includes a plurality of first keys on its top surface and a slider which includes a display device on its top surface, is given...http://www.google.de/patents/US20070082718?utm_source=gb-gplus-sharePatent US20070082718 - Curved sliding-type portable communication apparatus and sliding device thereof