| 摘要 |
PURPOSE: A portable terminal is provided to maximize the convenience of a UI(User Interface) by installing a joystick or tact key at a lower plane of a main body. CONSTITUTION: A screen is installed at an upper plane of a main body(100), and the displacement of a tact key(210) is performed in multi directions through an external force. According to the displacement of the tact key, a switch(260) is operated. According to the displacement direction, the switch transfers the different kinds of control signals to the main body. A hinge is installed between the tact key and the switch. The hinge allows a multi-directional displacement of the tact key, and is restored in an original position which performs the displacement.
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