The thesis introduces operation principle of touch panel, basic idea of screen design of touch panel, graph of relation of screen switching, and the function of screens. The main screens are provided.
论文介绍了触摸屏的工作原理、触摸屏画面设计的基本思路、画面切换关系图和各画面的功能，并给出了主要的画面。
The soft switching of asynchronous communication among PLC (Programmable Logic Con-troller), transducer, touch screen, RS-485 module and PC is introduced.
主要介绍电气设备中可编程逻辑控制器(plc)、变频器、触摸屏、RS- 485模块及个人电脑之间实现异步通信的软切换。
The window is intended for switching of language by a touch to it.
窗口是用于切换语言触摸到它。
Received signal from unit for switching input modes, the keyboard controller selects and processes information input from the keyboard push button keys or from the touch units.
所述键盘控制器接收输入方式切换单元的信号，并根据该信号择一处理来自键盘按键和触摸输入处理单元 的输入信息。
Received signal from unit for switching input modes, the keyboard controller selects and processes information input from the keyboard push button keys or from the touch units.
所述键盘控制器接收输入方式切换单元的信号，并根据该信号择一处理来自键盘按键和触摸输入处理单元 的输入信息。
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