| 摘要 |
PROBLEM TO BE SOLVED: To calibrate a reference value for determining the presence/absence of contact with a sensor at an appropriate timing.SOLUTION: A portable terminal (1) comprises a contact detection part (10) that determines the presence/absence of contact of an object with an electrostatic sensor (6), and a calibration part (12) that calibrates a reference value for determining the presence/absence of contact, and the calibration part calibrates the reference value when at least two conditions are satisfied: (i) a display part is open; and (ii) the contact detection part (10) determines the absence of contact.SELECTED DRAWING: Figure 1 |
