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    • 9. 发明授权
    • Method and device for detecting touch input
    • 检测触摸输入的方法和装置
    • US09323360B2
    • 2016-04-26
    • US13391288
    • 2010-08-20
    • Sung Ho Lee
    • Sung Ho Lee
    • G06F3/041G06F3/0488G02F1/1333
    • G06F3/041G02F1/13338G06F3/04883G06F2203/04104G06F2203/04806G06F2203/04808
    • Provided is a touch input detection method that detects a contact or approach of a touch input means (90) such as a finger of a human body, an electric conductor or a touch pen on a touch panel (10) and produces an input signal. The touch input detection method includes the steps of: (a) detecting a first touch input; (b) calculating an area where the first touch input has been detected; (c) detecting a second touch input that occurs at a predetermined time interval after occurrence of the first touch input; (d) calculating an area where the second touch input has been detected; and (e) judging a change in the areas from the first touch input to the second touch input to thus produce a zooming signal. Accordingly, a zooming signal is produced according to a change in an area of a touch input, to thus implement a zoom gesture very simply, to also realize the zoom gesture with only one finger, and to thereby achieve a touch input operation compactly.
    • 提供了一种触摸输入检测方法,其检测触摸面板(10)上的诸如人体的手指,电导体或触摸笔的触摸输入装置(90)的接触或接近并产生输入信号。 触摸输入检测方法包括以下步骤:(a)检测第一触摸输入; (b)计算检测到第一触摸输入的区域; (c)检测在第一触摸输入发生之后以预定时间间隔发生的第二触摸输入; (d)计算检测到第二触摸输入的区域; 以及(e)判断从第一触摸输入到第二触摸输入的区域的变化,从而产生变焦信号。 因此,根据触摸输入区域的变化产生变焦信号,从而非常简单地实现变焦手势,也可以仅用一根手指实现变焦手势,从而紧凑地实现触摸输入操作。