| 摘要 |
A capacitance detection-type sensor detects an electrostatic capacitance between a subject to be detected and a detection electrode arranged on a surface of the sensor and detects the shape of the subject to be detected. The capacitance detection-type sensor includes a reference electrode that is arranged near the detection electrode and detects a potential of the subject to be detected and a potential detecting section that measures a detection potential based on the electrostatic capacitance of the detection electrode with the potential as a reference potential.
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