| 摘要 |
<p>To improve usability while maintaining miniaturization, in a portable terminal device in which one end part of a first housing having an operating part and one end part of a second housing having a display part are turnably connected by a hinge part, an open state where the surface of the display part and the surface of the operating part are opened at a predetermined angle is formed by turning the first housing or the second housing by the hinge part from a close state where the first housing and the second housing are overlapped with each other and the operating part surface and the display part surface are facing to the same direction, and the hinge part has tilt angle changing means that is tiltably supported to the first housing or the second housing and can change the angle in the open state. <IMAGE></p> |
