| 摘要 |
<p>A switch capable of being operated over a wide range and a switch capable of being set arbitrarily in its operating area, the switch having electrode members (20, 30) each consisting of a detection electrode and an earth electrode insulated from the detection electrode, a charged sheet (11) insulated from the detection electrode and the earth electrode, disposed so that at least a part thereof is located in the detection area of the detection electrode and forming an operating area, a charged layer (5) provided on the inner side of a wall paper (6) and a detection circuit for detecting a change in capacitance produced between the detection electrode and the earth electrode by the presence of an operating member in the operating area.</p> |
