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    • 15. 发明授权
    • Image display and image displaying method for gradation correction
    • 用于灰度校正的图像显示和图像显示方法
    • US07907135B2
    • 2011-03-15
    • US11721965
    • 2006-02-28
    • Akihiro KuwabaraTakayuki KimotoYoshio Seki
    • Akihiro KuwabaraTakayuki KimotoYoshio Seki
    • G06F3/038
    • H04N9/3179H04N5/20H04N5/58H04N21/4122H04N21/42202H04N21/4318H04N21/44008
    • A projector 1 detects a luminance distribution in an effective video period of an inputted video luminance signal, and a coefficient calculating circuit 302 calculates a correction coefficient Ci to correct a gradation (FIG. 6A). Then, surrounding brightness is detected, and the correction coefficient Ci is adjusted based on the surrounding brightness to obtain an adjusted correction coefficient Ci′ (FIG. 6B). As shown in FIG. 6C, a luminance can be raised to Q according to a brightness signal even for a pixel of a lowest input luminance by adjusting the correction coefficient. Other correction coefficients in a range of 0 to 255 before adjustment are proportionally distributed to a range of 0 to 255-Q, and added with a correction coefficient Q. A luminance of each pixel which belongs to the effective video period of the video luminance signal is adjusted using the adjusted correction coefficient.
    • 投影仪1检测输入的视频亮度信号的有效视频周期中的亮度分布,并且系数计算电路302计算校正系数Ci以校正灰度(图6A)。 然后,检测周围的亮度,并且基于周围的亮度来调整校正系数Ci,以获得调整后的校正系数Ci'(图6B)。 如图所示。 如图6C所示,通过调整校正系数,即使对于最低输入亮度的像素,也可以根据亮度信号将亮度提高到Q。 调整前的0〜255范围内的其他校正系数成比例地分配到0〜255-Q的范围,并附加校正系数Q.属于视频亮度信号的有效视频周期的每个像素的亮度 使用调整后的校正系数进行调整。
    • 16. 发明授权
    • Remote control system with a pointing device
    • 带有指点设备的遥控系统
    • US5877747A
    • 1999-03-02
    • US657737
    • 1996-05-31
    • Satoshi KitaoYouichi IshibashiTakayuki Kimoto
    • Satoshi KitaoYouichi IshibashiTakayuki Kimoto
    • G06F3/02G06F3/023G06F3/0354G06F3/038H03M11/14H04N5/00H04Q9/00G09G5/08G06F3/033
    • G06F3/038G06F3/0383G06F2203/0384
    • A remote control system with a pointing device which can control the computer itself also by the pointing device as well as by the key input device.The remote controller comprising a key input device, a pointing device, a first controller which is provided for encoding a key code (KC) signal to a remote control signal, a second controller provided for encoding a pointer control (PC) signal to a remote control signal, an output device outputs the remote control (RC) signal, and said receiver comprising a receive device for receiving the RC signal, a third controller outputs a control signal for controlling a computer a fourth controller outputs a coordinate signal for moving a pointer on a computer display, a first decoder decodes the RC signal to the KC signal and outputs the KC signal to the third controller, and a second decoder decodes said RC signal to the PC signal and outputs the PC signal to the fourth controller and also the third controller.
    • 具有指示设备的遥控系统,其也可以由指示设备以及通过键输入设备来控制计算机本身。 所述遥控器包括键输入装置,指示装置,提供用于将键码(KC)信号编码到遥控信号的第一控制器,提供用于将指针控制(PC)信号编码到遥控器的第二控制器 控制信号,输出设备输出遥控(RC)信号,所述接收机包括用于接收RC信号的接收设备,第三控制器输出用于控制计算机的控制信号,第四控制器输出用于移动指针的坐标信号 在计算机显示器上,第一解码器将RC信号解码为KC信号,并将KC信号输出到第三控制器,第二解码器将所述RC信号解码为PC信号,并将PC信号输出到第四控制器,并且还 第三控制器。
    • 17. 发明授权
    • Plasma display
    • 等离子显示
    • US5856823A
    • 1999-01-05
    • US528019
    • 1995-09-14
    • Takayuki KimotoIsao Kawahara
    • Takayuki KimotoIsao Kawahara
    • H04N9/73G09G3/20G09G3/28G09G3/282G09G3/296G09G5/00
    • G09G3/282G09G2300/0452G09G2320/0666G09G3/2074Y10T428/12354Y10T428/12375
    • A plasma display having a quartet type pixel structure provides a high grade and excellent picture quality picture and maintains good white balance and excellent intensity levels. The plasma display comprises a reference circuit .phi. for outputting a control signal based on the least significant bit of a digitized green video signal and a timing signal and an arithmetic circuit 8 for performing an arithmetic operation on the output of the reference circuit. As a result of this arrangement, the least significant bit information, that was lost by halving the green signal value to maintain the white balance is incorporated in the halved green signal based on a timing signal, thereby realizing 256 intensity levels without degrading the halftone in the video picture.
    • 具有四重型像素结构的等离子体显示器提供高等级和优异的图像质量图像,并且保持良好的白平衡和优异的强度水平。 等离子体显示器包括用于基于数字化绿色视频信号的最低有效位和定时信号输出控制信号的参考电路phi和用于对参考电路的输出执行算术运算的运算电路8。 作为这种安排的结果,通过将绿色信号值减半以保持白平衡而丢失的最低有效位信息基于定时信号并入到一半的绿色信号中,从而实现256个强度水平,而不会使中间色调降低 视频图片。
    • 19. 发明授权
    • Image display device
    • 图像显示装置
    • US09013462B2
    • 2015-04-21
    • US13600227
    • 2012-08-31
    • Takayuki Kimoto
    • Takayuki Kimoto
    • G09G5/00G09G3/00G09G3/36
    • G09G3/003G09G3/3648G09G2320/0252G09G2320/0285G09G2320/0613G09G2340/16
    • An image display device 1 includes: a liquid crystal panel 11 having a plurality of pixels; and an overdrive execution section 50 configured to determine, with respect to each of target pixels for which overdrive is performed among the plurality of pixels of the liquid crystal panel 11, a gain usage value to be used for the overdrive, based on a predetermined set gain value, and to apply, based on the gain usage value, a liquid-crystal driving voltage to the corresponding target pixel, wherein with respect to a pixel, among the target pixels, for which it is judged that a gradation value in a current frame obtained from the video signal is an intermediate gradation value, the overdrive execution section 50 performs a gain suppressing operation for determining the gain usage value as a value smaller than the set gain value.
    • 图像显示装置1包括:具有多个像素的液晶面板11; 以及超速执行部50,被配置为基于预定的集合来确定关于在液晶面板11的多个像素中执行过驱动的目标像素中的每一个,用于过驱动的增益使用值 增益值,并且基于增益使用值将液晶驱动电压应用于相应的目标像素,其中相对于像素,在目标像素中,判定当前的灰度值 从视频信号获得的帧是中间灰度值,过驱动执行部分50执行用于将增益使用值确定为小于设定增益值的值的增益抑制操作。