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    • 1. 发明申请
    • Method and device for multi-grayscale display
    • 多灰度显示的方法和装置
    • US20080158265A1
    • 2008-07-03
    • US11999100
    • 2007-12-03
    • Yutaka ChiakiNaoki ItokawaYoshiaki Takada
    • Yutaka ChiakiNaoki ItokawaYoshiaki Takada
    • G09G5/10
    • G09G3/2059G09G2310/065G09G2320/041G09G2330/021G09G2360/16
    • A multi-grayscale display device to appropriately control brightness of a display (screen) and power according to the content of a picture while preventing deterioration of image quality of a picture, so that both of these performances are improved. In a multi-grayscale processing unit of the display device (PDP device), in a subfield (SF) driving control, the number of pixels of low grayscales in an image of an input picture signal is detected and determined by an image number detection unit, and accordingly, a selection signal to switch one from outputs of a plural types of SF conversions of an SF conversion unit is determined and outputted by a switching unit. In the control, an SF conversion in which the number of rest SF becomes large as the number of pixels of low grayscales becomes small selected.
    • 一种多灰度显示装置,用于根据图像的内容适当地控制显示(屏幕)的亮度和电力,同时防止图像的图像质量的劣化,从而提高了这两个性能。 在显示装置(PDP装置)的多灰度处理装置中,在子场(SF)驱动控制中,输入图像信号的图像中的低灰度像素的像素数目由图像号检测单元 因此,由SF转换单元的多种SF转换的输出切换的选择信号由切换单元确定并输出。 在该控制中,随着低灰度像素的数量变小,其中静止SF数量变大的SF转换。
    • 2. 发明申请
    • Image Display Apparatus and Method
    • 图像显示装置及方法
    • US20090128707A1
    • 2009-05-21
    • US12255792
    • 2008-10-22
    • Hideharu HATTORIKoichi HamadaNobuhiro FukudaYutaka ChiakiYoshiaki Takada
    • Hideharu HATTORIKoichi HamadaNobuhiro FukudaYutaka ChiakiYoshiaki Takada
    • H04N5/14
    • G09G3/2022G09G2320/0261G09G2320/0266G09G2320/106G09G2360/16
    • It is possible to better correct dynamic false contours in gradation display made by dividing each field into plural subfields. A motion vector detection section detects a motion vector extending between pixels mutually corresponding between two mutually neighboring fields. A pixel position changing section calculates a pixel position vector indicating from where to acquire data for use in rearranging emission data by multiplying a motion vector ending at a pixel to be rearranged by a predetermined function. Furthermore, when a brightness difference between the pixel from which data is to be acquired and the pixel to be rearranged is larger than a threshold value, the pixel position changing section corrects the calculated pixel position vector to change the pixel indicated thereby to one closer to the pixel to be rearranged until the brightness difference is equal to or smaller than the threshold value.
    • 通过将每个场划分成多个子场,可以更好地校正灰度显示中的动态假轮廓。 运动矢量检测部检测在两个相邻的场之间相互对应的像素之间延伸的运动矢量。 像素位置改变部分计算像素位置矢量,该像素位置矢量指示从何处获取用于重新排列发射数据的数据,该数据通过将要重新排列的像素结束的运动矢量乘以预定函数。 此外,当要获取数据的像素与要重新排列的像素之间的亮度差大于阈值时,像素位置改变部分校正所计算的像素位置矢量,将由此指示的像素更改为更靠近 要重新排列的像素,直到亮度差等于或小于阈值。
    • 4. 发明申请
    • Image display apparatus and method which switch drive sequences
    • 图像显示装置和方法,其切换驱动序列
    • US20070188411A1
    • 2007-08-16
    • US11593157
    • 2006-11-06
    • Yoshiaki TakadaYutaka Chiaki
    • Yoshiaki TakadaYutaka Chiaki
    • G09G3/28
    • G09G3/2803G09G3/2037G09G3/2059G09G2320/0247
    • An image display apparatus includes a displayed-subfield selecting circuit configured to select a lit-up pattern table from a plurality of lit-up pattern tables in response to an input image signal, a gain-characteristic generating circuit configured to select, from a plurality of gain characteristics, a gain characteristic corresponding to the selected lit-up pattern table, and a gain control circuit configured to produce a gain-limited image signal made by limiting a maximum level of the input image signal in response to the selected gain characteristic, wherein the on/off state of subfields is controlled in response to a level of the gain-limited image signal in accordance with the selected lit-up pattern table, thereby displaying a multi-level image on a display panel.
    • 图像显示装置包括:显示子场选择电路,被配置为响应于输入图像信号从多个点亮图案表中选择点亮图案表;增益特性发生电路,被配置为从多个点阵图表中选择多个 增益特性对应的增益特性,以及增益控制电路,被配置为产生通过响应所选择的增益特性限制输入图像信号的最大电平而产生的增益受限图像信号, 其中响应于根据所选择的点亮图案表的增益受限图像信号的电平来控制子场的开/关状态,从而在显示面板上显示多级图像。
    • 5. 发明申请
    • Work fixing device
    • 工作固定装置
    • US20060290043A1
    • 2006-12-28
    • US11447129
    • 2006-06-06
    • Shigeo MurataNaoto HataYoshiaki Takada
    • Shigeo MurataNaoto HataYoshiaki Takada
    • B23Q3/00
    • B23Q3/067B23B31/16004Y10T279/1926
    • The present invention provides a work fixing device capable of stably fixing the work, without any biasing, in the longitudinal direction of the work, of the fastening force for fixing the work. The moving mechanism 3 of clamps 2 is constructed by comprising a scroll disc 4 as working disc forming a circular hole 41 in which to insert the work W at the center and scroll guides 42a, 42b in spiral shape the winding direction of which is opposite to each other from the center toward the outer circumference on the both side faces, a rotary drive mechanism 5 for rotatably driving this scroll disc 4, and scroll pieces 6 having a fitting portion 61 to be engaged with the scroll guides 42a, 42b of the scroll disc 4 and disposed on both sides of the scroll disc 4 in a way to correspond to a plurality of clamps 2 respectively.
    • 本发明提供一种能够在工件的长度方向上不施加任何偏压地稳定地固定工件的固定力的工件固定装置。 夹具2的移动机构3通过包括作为工作盘的滚动盘4构成圆形孔41,其中将工件W插入中心,并且螺旋形的螺旋形导向件42a,42b的卷绕方向为 相对于两侧面的中心朝向外周的旋转驱动机构5,用于可旋转地驱动该涡形盘4的旋转驱动机构5和具有与涡旋状导向件42a,42接合的嵌合部61的涡旋片6 b,并且分别以与多个夹具2对应的方式设置在涡旋盘4的两侧。