| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a touch panel structure that enables operation of a control panel for adjusting volume of plural sound sources or plural light fixtures using a touch panel function. <P>SOLUTION: A touch panel structure includes a touch panel display surface where a finger touch is performed. In the touch panel structure, (1) the touch panel display surface includes doughnut-shaped finger touch parts, (2) each of the finger touch parts has a doughnut-shaped groove shape having a depth of 0.1-1.0 mm and a width of 10.0-20.0 mm, and (3) each of the finger touch parts is provided with a multi-stage switch function on the basis of the position of a finger touch in a lengthwise direction of the finger touch part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
