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    • 85. 发明申请
    • Liquid crystal display and driving method thereof
    • 液晶显示及其驱动方法
    • US20050057472A1
    • 2005-03-17
    • US10704828
    • 2003-11-12
    • Seung-Woo LeeYun-Ju YuDoo-Sik ParkJong-Seon KimHeui-Keun ChohChang-Yeong Kim
    • Seung-Woo LeeYun-Ju YuDoo-Sik ParkJong-Seon KimHeui-Keun ChohChang-Yeong Kim
    • G02F1/133G09G3/20G09G3/34G09G3/36H04N5/66
    • G09G3/2092G09G3/3406G09G3/3611G09G2320/0276G09G2320/0626
    • A liquid crystal display includes a signal controller having a luminance controller receiving image data from an external graphic source and controlling the luminance of the image data such that the luminance at the gray expressed by a specific data value of the image data is established to be 80 cd/m2, and a gamma converter outputting image data each having a gamma characteristic adapted to the gamma 2.2 curve. The liquid crystal display further includes a data driver receiving the image data from the signal controller and selecting and outputting gray voltages corresponding to the image data, and an inverter controlling a lamp such that the lamp emits light with a luminance of 80 cd/m2 or more. With the liquid crystal display, the luminance of a backlight is determined to be a specific value larger than 80 cd/m2, and the luminance of the input image data is controlled such that the luminance of the image data at the specific data value is established to be 80 cd/m2. Furthermore, the gamma characteristic of the image data RGB is converted to be adapted to the gamma 2.2 curve required for the sRGB color space. In this way, the sRGB mode is realized with the liquid crystal display.
    • 液晶显示器包括信号控制器,其具有从外部图形源接收图像数据的亮度控制器,并控制图像数据的亮度,使得由图像数据的特定数据值表示的灰度亮度确定为80 cd / m 2,以及伽马转换器,其输出各自具有适合伽马2.2曲线的伽马特性的图像数据。 液晶显示器还包括数据驱动器,其接收来自信号控制器的图像数据,并选择并输出对应于图像数据的灰度电压,以及控制灯的逆变器,使得灯以80cd / 2>以上。 利用液晶显示器,背光源的亮度被确定为大于80cd / m 2的特定值,并且控制输入图像数据的亮度,使得在特定数据处的图像数据的亮度 值建立为80 cd / m 2。 此外,图像数据RGB的伽马特性被转换成适合于sRGB颜色空间所需的伽马2.2曲线。 以这种方式,通过液晶显示器实现sRGB模式。
    • 87. 发明授权
    • Magnetic recording/reproducing apparatus
    • 磁记录/再现装置
    • US06449118B1
    • 2002-09-10
    • US09456420
    • 1999-12-08
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee HongSeung-Han Lee
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee HongSeung-Han Lee
    • G11B5027
    • G11B15/43G11B15/61G11B15/6656
    • A magnetic recording/reproducing apparatus, having a driving source; a main chassis on which the driving source is mounted; a sub chassis which is disposed to the main chassis so as to be slid in a front and rear direction, and which is provided with various tape running elements; a head drum device which is mounted on the main chassis; a loading system provided with a supply side pole base driving device and a winding side pole base driving device which loads a tape depending on the moving operation of the sub chassis in the front and rear direction; a running system which runs the tape in a desired direction at a desired speed; a main power transmitting unit which selectively transmits a power of the power source to the loading system or the running system; a cam gear which is rotated by the main power transmitting unit and transmits the power to each mode; a slider which is disposed between the main chassis and the sub chassis so as to be slid in a left and right direction and interlocked with the cam gear; a mode detecting unit which detects each mode according to the tape running; a tape tension regulating unit which applies a proper tension to the tape; an automatic separating unit which automatically blocks a power transmission to the loading system in a particular mode; a connecting unit which permits the power transmission to the loading system in a particular mode; and a connection maintaining unit which maintains the power transmission at the time of loading/unloading the tape or in the early re-connection which transmits again the power to the loading system.
    • 具有驱动源的磁记录/重放装置; 安装驱动源的主机架; 副底盘,其设置在主机架上,以便在前后方向上滑动,并且设置有各种带运行元件; 安装在主底盘上的磁头鼓装置; 具有供电侧极基驱动装置的负载系统和根据副底盘在前后方向的移动动作而装载带的卷绕侧极基座驱动装置; 运行系统,以期望的速度在期望的方向上运行磁带; 主动力传递单元,其选择性地将所述动力源的动力传递到所述装载系统或所述运行系统; 凸轮齿轮,其由主动力传递单元旋转并将功率传递到每个模式; 滑块,其设置在所述主底盘和所述副底架之间,以沿左右方向滑动并与所述凸轮齿轮互锁; 模式检测单元,其根据磁带运行检测每种模式; 带张力调节单元,其对带施加适当的张力; 自动分离单元,其在特定模式下自动阻断到装载系统的动力传递; 连接单元,其允许以特定模式向装载系统供电; 以及连接维护单元,其在装载/卸载磁带时保持电力传输,或者在早期重新连接中再次将电力传送到装载系统。