| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electronic device having excellent operability even when a user holds the compact electronic device and operates it with one hand. <P>SOLUTION: In this electronic device 1 having an operation part generating an operation signal from a history of push operation or contact operation, an operation area (a touch pad 2) for outputting data on the history and used for operating the electronic device 1 is formed in an arc shape. Preferably, an arc is a circular arc or an elliptical arc having an angle of 135°to 225°from the center of a circle or an ellipse. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
