Disclosed herein is a portable sliding-up digital communication device. The portable sliding-type digital communication device comprises a body housing having a display unit located on the top surface thereof, the display unit comprising a first display area and a second display area disposed adjacent...http://www.google.es/patents/US20050054397?utm_source=gb-gplus-sharePatente US20050054397 - Portable sliding-type digital communication device and locking apparatus thereof
Portable sliding-type digital communication device and locking apparatus thereof
