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    • 56. 发明授权
    • Multi-touch positioning method and multi-touch screen
    • 多点触控定位方式和多点触控屏
    • US08619060B2
    • 2013-12-31
    • US12578717
    • 2009-10-14
    • Yanfeng Wang
    • Yanfeng Wang
    • G06F3/042
    • G06F3/0421G06F3/0428G06F2203/04808
    • The present invention relates to a multi-touch positioning method and a multi-touch screen. The multi-touch positioning method comprising: emitting, by a first infrared ray generator set at a first angle of a display panel, infrared rays at a first wavelength; emitting, by a second infrared ray generator set at a second angle, infrared rays at a second wavelength; receiving the infrared rays of the first wavelength and generating a first infrared ray image by a first infrared ray image sensor set at an opposite angle of the first angle; receiving the infrared rays of the second wavelength and generating a second infrared ray image by a second infrared ray image sensor set at an opposite angle of the second angle; and performing processings for the first infrared ray image and the second infrared ray image to determine at least one touch point.
    • 本发明涉及多点触摸定位方法和多点触摸屏。 所述多点触摸定位方法包括:通过由显示面板的第一角度设置的第一红外线发生器发射第一波长的红外线; 通过以第二角度设置的第二红外线发生器发射第二波长的红外线; 接收第一波长的红外线并通过设置在与第一角度相反的角度的第一红外线图像传感器产生第一红外线图像; 接收第二波长的红外线,并且以与第二角度相反的角度设置的第二红外线图像传感器产生第二红外线图像; 以及对所述第一红外线图像和所述第二红外线图像执行处理以确定至少一个触摸点。