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Semiconductor device for determining whether touch electrode is touched by human body, and touch sensor using the semiconductor device
Semiconductor device for determining whether touch electrode is touched by human body, and touch sensor using the semiconductor device
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机译:用于确定触摸电极是否被人体触摸的半导体装置以及使用该半导体装置的触摸传感器
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摘要
A touch sensor IC includes a switch for connecting, to an external terminal with its voltage to be sensed, a selected one of a plurality of external terminals to which a plurality of touch electrodes is connected. Only one set of two capacitors and a resistor element may therefore be provided for a plurality of touch electrodes. Thus, the number of required components is smaller as compared with a conventional sensor requiring two capacitors and a resistor element for each touch electrode.
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