Patent ID: 7930003

Claim:
A communication terminal comprising: a first housing including an upper stepped surface, a lower stepped surface and a slanted surface formed between the upper stepped surface and the lower stepped surface, wherein the upper and lower stepped surfaces are parallel to each other; a first data input part provided on the slanted surface of the first housing; a second data input part provided on the upper stepped surface of the first housing; a second housing which is oppositely coupled to the first housing for surface to surface contact, the second housing provided to selectively cover up the first data input part by rotation; and a control unit which disables operation of the first data input part and second data input part according to rotation of the second housing with respect to the first housing during a predetermined time from when the movement of the second housing is detected, wherein data input processes of the first data input part and of the second data input part are not performed when the operation of the first data input part and second data input part are disabled during the predetermined time, wherein operation of the second data input part is enabled both prior to beginning and after finishing the predetermined time, wherein the first housing and the second housing are rotatably connected by the same plane.