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    • 2. 发明授权
    • Touch detection device, electronic device and recording medium
    • 触摸检测装置,电子装置和记录介质
    • US08803820B2
    • 2014-08-12
    • US12910253
    • 2010-10-22
    • Maho Suzuki
    • Maho Suzuki
    • G06F3/041
    • G06F3/0418G06F3/044
    • A touch position calculation unit 113 calculating the touch position based on detected intensities at a touch panel unit 150 compares the detected intensities with a threshold to determine whether the touch is valid. Here, since display noise caused by the display screen of a display unit 132 affects the touch detection, the touch position calculation unit 113 acquires the display state of the display unit 132 from a display control unit 112. The touch position calculation unit 113 makes reference to a condition list stored in a memory 160 and sets up a threshold corresponding to the display state as the touch detection condition. Information indicating the display state includes the screen design typified by coloration patterns and the total gradation value corresponding to the voltage applied to the screen.
    • 基于触摸面板单元150处的检测到的强度来计算触摸位置的触摸位置计算单元113将检测到的强度与阈值进行比较,以确定触摸是否有效。 这里,由于由显示单元132的显示屏幕引起的显示噪声影响触摸检测,所以触摸位置计算单元113从显示控制单元112获取显示单元132的显示状态。触摸位置计算单元113参考 到存储在存储器160中的条件列表,并且设置与显示状态相对应的阈值作为触摸检测条件。 指示显示状态的信息包括通过着色图案代表的屏幕设计和对应于屏幕的电压的总灰度值。
    • 3. 发明授权
    • Electronic device and recording medium
    • 电子设备和记录介质
    • US08711112B2
    • 2014-04-29
    • US12902385
    • 2010-10-12
    • Maho Suzuki
    • Maho Suzuki
    • G06F3/041
    • H04B15/04G06F3/0418G06F2203/04107
    • A mobile communication terminal 100 has a touch panel unit 150 as an input unit. Touch detection is performed by scanning detection signals from the touch panel unit 150 at a given operation frequency. A radio device 120 performs communication such as cellular communication and reception of broadcast such as digital broadcast. When the radio device 120 performs radio transmission/reception operation, a touch detection processing unit 112 identifies an operation frequency of the touch panel unit 150 that is not interfered by the frequency of radio transmission/reception by the radio device 120 and a touch panel control unit 111 controls the touch panel unit 150 to scan it at that operation frequency.
    • 移动通信终端100具有作为输入单元的触摸面板单元150。 通过以给定的操作频率扫描来自触摸面板单元150的检测信号来执行触摸检测。 无线电设备120执行诸如数字广播之类的诸如蜂窝通信和广播的接收之类的通信。 当无线电设备120执行无线电发送/接收操作时,触摸检测处理单元112识别不受无线电设备120的无线电发送/接收频率的干扰的触摸面板单元150的操作频率和触摸面板控制 单元111控制触摸面板单元150以该操作频​​率进行扫描。