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    • 2. 发明授权
    • Display device
    • 显示设备
    • US08184090B2
    • 2012-05-22
    • US11526749
    • 2006-09-26
    • Hideo SatoShigeyuki NishitaniTakayuki NakaoNaruhiko KasaiHajime Akimoto
    • Hideo SatoShigeyuki NishitaniTakayuki NakaoNaruhiko KasaiHajime Akimoto
    • G09G3/33
    • G09G3/2096G06F3/0412G06F3/042G09G2300/0443G09G2300/0842G09G2300/0876G09G2360/14
    • A display device which incorporates a touch panel function therein can reduce the number of elements which constitute a photo sensor circuit and can accurately detect an input coordinate position without requiring a particular coordinate arithmetic circuit. In a display device which includes: a display part on which a plurality of pixels are arranged in a matrix array; and a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light; an integral capacitance which integrates the optical current converted by the photo sensor; and a comparator to which a voltage of the integral capacitance is inputted; and the comparator includes a transistor of an open drain output type with a grounded source.
    • 在其中包含触摸面板功能的显示装置可以减少构成光传感器电路的元件的数量,并且可以精确地检测输入坐标位置而不需要特定的坐标运算电路。 一种显示装置,其特征在于,包括:多个像素排列成矩阵的显示部, 以及多个光检测电路,其以矩阵阵列布置在显示部分的内部,多个光检测电路的每个光检测电路包括:光传感器,其将入射光转换成对应于强度的光电流 的事件光; 由光传感器转换的光电流积分的积分电容; 以及输入积分电容的电压的比较器; 并且比较器包括具有接地源的开漏输出型晶体管。
    • 3. 发明授权
    • Cursor motion control of a pointing device
    • 指向设备的光标运动控制
    • US08026897B2
    • 2011-09-27
    • US10994692
    • 2004-11-22
    • Akihiro Machida
    • Akihiro Machida
    • G09G3/33
    • G06F3/0317
    • A pointing device generates pixel counts at a predetermined frame rate indicative of motion in predetermined axes of a user's digit across an imaging surface. A cursor motion controller receives the pixel counts and generates navigation output signals representing averages over predetermined time intervals selected to smooth the motion of a cursor on the display of an electronic apparatus. Optionally, the cursor motion controller can multiply a pixel count in each frame by a predetermined acceleration factor so that a cursor on the display of an electronic apparatus will move a greater distance based on an increased rate of motion of the user's digit across the imaging surface. Optionally, the cursor motion controller can interrupt the generation of navigation output signals for a predetermined interrupt period after completion of a cursor stroke. The averaging, acceleration and interruption features can be used independently or in various combinations.
    • 指示装置以预定的帧速率生成指示用户数字穿过成像表面的预定轴线的运动的像素计数。 光标运动控制器接收像素计数并产生表示在预定时间间隔上平均的导航输出信号,该预定时间间隔用于平滑电子设备的显示器上光标的运动。 可选地,光标运动控制器可以将每个帧中的像素数乘以预定的加速因子,使得电子设备的显示器上的光标将基于用户数字在成像表面上的增加的运动速度而移动更大的距离 。 可选地,光标运动控制器可以在完成光标行程之后中断在预定中断周期的导航输出信号的产生。 平均,加速和中断功能可以独立使用或以各种组合使用。