| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve the operability of a touch panel. <P>SOLUTION: An operation/display part 110 includes: a screen display part 11a such as a liquid crystal panel; a touch position detecting part 110b as a touch panel, which receives user's touch operation; a touch determination part 110c for determining the user's touch position to the touch panel; and a touch operating part 110d operated according to the user's touch position. When the user's touch position is within an effective region of an operation button, the touch operating part 110d performs a function assigned to the operation button. When the touch position is out of the effective region of the operation button, an image formation control part 120 sequentially selects and displays the operation button, and at a point of time the user detaches, selection of the selected and displayed operation button is determined. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
