| 摘要 |
A film positioning device for detection a position of a contact point. The film positioning device includes an X film having a first X terminal and a second X terminal, a Y film having a first Y terminal and a second Y terminal, a first Y switch coupled between the first Y terminal and a ground, a second Y switch coupled between a second Y terminal and a power source, a first X switch coupled between the first X terminal and the ground, a second X switch coupled between the second X terminal and the power source, a first X capacitor coupled between the first X terminal and the second X terminal, and a second Y capacitor coupled between the first Y terminal and the second Y terminal.
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