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    • 72. 发明申请
    • SOURCE DRIVER AND DISPLAY DEVICE INCLUDING THE SAME
    • 源驱动器和显示器件,包括它们
    • US20090278865A1
    • 2009-11-12
    • US12420924
    • 2009-04-09
    • Jae Sung KangSi Woo KimHyo Jin KimJong-Hyun Kim
    • Jae Sung KangSi Woo KimHyo Jin KimJong-Hyun Kim
    • G09G5/10
    • G09G3/3688G09G2310/0259G09G2310/027G09G2310/0289G09G2320/0276G09G2330/021
    • A source driver having a small layout area and low power consumption includes a signal generation block generating a plurality of pulse width modulation (PWM) signals and a plurality of staircase waveform grayscale voltage signals according to a digital code generated based on an oscillation signal and a channel driver. The channel driver divides latched video data into upper bits and lower bits, generates a plurality of switching signals using one PWM signal selected from among the plurality of PWM signals in response to the lower bits, outputs one staircase waveform grayscale voltage signal selected from among the plurality of staircase waveform grayscale voltage signals in response to the upper bits, and outputs a particular grayscale voltage level included in the one staircase waveform grayscale voltage signal in response to the plurality of switching signals.
    • 具有小布局面积和低功耗的源极驱动器包括根据基于振荡信号产生的数字码产生多个脉宽调制(PWM)信号和多个阶梯波形灰度电压信号的信号产生块, 频道驱动 通道驱动器将锁存的视频数据分割为高位和低位,使用从多个PWM信号中选择的一个PWM信号响应于低位产生多个切换信号,输出从下列位置中选出的一个阶梯波形灰度电压信号: 多个阶梯波形灰度级电压信号,并且响应于多个切换信号输出包括在一个阶梯波形灰度电压信号中的特定灰度级电压电平。
    • 73. 发明申请
    • MAP SCROLLING METHOD AND NAVIGATION TERMINAL
    • 地图滚动方法和导航终端
    • US20090024314A1
    • 2009-01-22
    • US12168365
    • 2008-07-07
    • Jong-Hyun KIM
    • Jong-Hyun KIM
    • G01C21/34G06F3/048
    • G01C21/367G01C21/3664G01C21/3673G01C21/3682G06F3/0485
    • Disclosed is a method for enabling the user to easily and rapidly access a map image of a desired position in a navigation terminal. When a touch input through a touch screen is generated in a route guidance mode, a virtual scroll button having the form of a multi-directional keypad is displayed, and a dragging direction and a dragging displacement are calculated through the button. Then, map scrolling is performed according to the calculated dragging direction and dragging displacement, thereby displaying a corresponding map image. Accordingly, the user can easily and rapidly move the map image, making it possible to easily find a map image of a desired position.
    • 公开了一种使用户能够容易且快速地访问导航终端中期望位置的地图图像的方法。 当在路径引导模式中产生通过触摸屏的触摸输入时,显示具有多方向键盘形式的虚拟滚动按钮,并且通过按钮计算拖动方向和拖动位移。 然后,根据计算出的拖动方向和拖动位移进行地图滚动,从而显示对应的地图图像。 因此,用户可以容易且快速地移动地图图像,使得可以容易地找到期望位置的地图图像。