| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an operation method of a display device that is highly convenient for a user. <P>SOLUTION: A portable telephone terminal (display device) 1 includes: a display unit 32a that has a display surface and stereoscopically displays a display object in a visible space on a back side of the display surface; detection units 42a and 42b that detect a motion of a target in the visible space on the back side; and a control unit 22 that changes the display object in accordance with a predetermined motion in the visible space when the detection units 42a and 42b detect the predetermined motion of the target in the visible space on the back side. <P>COPYRIGHT: (C)2013,JPO&INPIT |
