Patent ID: 8065626

Claim:
An input/output device using a graphical user interface, comprising: a display section that displays a dragged portion and a movement region in which the dragged portion is moved, said display section displaying on a display screen; a dragged portion movement section that moves a position of the dragged portion in the movement region on the display screen dependent on an amount of operation of an input device by selecting the dragged portion on the display screen by the input device and operating the input device in a first direction; and a region movement section that moves the position of the dragged portion in the movement region on the display screen dependent on the amount of operation of the input device by selecting a second portion, other than the dragged portion, in the movement region by the input device on the display screen and operating the input device in the first direction, wherein a ratio between the amount of movement of the dragged portion on the display screen and the amount of operation of the input device when the dragged portion is selected is different from the ratio between the amount of movement of the dragged portion on the display screen and the amount of operation of the input device when the second portion in the movement region is selected; wherein the ratio between the amount of movement of the dragged portion on the display screen and the amount of operation of the input device is different between the case that the end of the second portion in the movement region is selected and the case that the center of the second portion in the movement region is selected; wherein the display section displays a pointer with an attached numerical value displaying the ratio, and highlights the movement region when the pointer enters the movement region by enlarging the dragged portion and the movement region; and the dragged portion being a knob of a scroll bar and the movement region being a track of the scroll bar.