| 摘要 |
PROBLEM TO BE SOLVED: To provide a capacitance touch panel that discriminates a noise signal easily and detects an input operation position with high accuracy.SOLUTION: Detection voltage levels R(n) of a pair of detection electrode S(n), S(n+1) adjacent to each other are detected over at least selection cycle for each detection electrode group SG(k). Therefore, when noise is generated in the meanwhile, one detection voltage level R(n) only changes relatively. On the other hand, since the respective detection voltage levels R(n) change in the same manner when an input operation body approaches, the occurrence of noise is determined and an input operation position is detected from a wiring position of the detection electrode S(n) in which the detection voltage level R(n) changes. |
