Simple Single-Layer Multi-Touch Projected Capacitive Touch Panel-电子电路相关资料下载-EEWORLD下载中心

Simple Single-Layer Multi-Touch Projected Capacitive Touch Panelpdf

1星发布者: sigma

2020-12-14 | 1积分 | 581.2KB | 0 次下载

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标签：电容式触控面板

A simple projected capacitive touch panel is developed. This touch panel is capable of detecting multi-point touch events. The

device consists of a single piece of patterned transparent ITO glass and a sensing circuit. The applied driving signal is projected onto the sensing node in the form of an electric field. A charge sensing circuit is used to monitor the mutual capacitance between the driving and sensing nodes. This approach provides a simple and low cost alternative to current capacitive multi-touch panel design.

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