A mobile phone (1) includes a main body (3), a keypad (5), and a pair of fasteners (7, 9) slidably and pivotally attaching the keypad to the main body. The main body has a housing (2) with a recess (31) defined in a lower portion thereof. The keypad is received in said recess and comprises a front panel...http://www.google.co.uk/patents/US20040198307?utm_source=gb-gplus-sharePatent US20040198307 - Mobile phone with two input modes
