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    • 61. 发明授权
    • Ball spline linear motion rolling guide unit
    • 滚珠花键直线运动滚动导轨单元
    • US4799803A
    • 1989-01-24
    • US191915
    • 1988-05-09
    • Kazuhiko Tanaka
    • Kazuhiko Tanaka
    • F16C29/00F16C29/06
    • F16C29/0695
    • A ball spline linear motion rolling guide unit comprises: a ball spline shaft on which first track grooves are formed in a longitudinal direction at predetermined positions on an outer peripheral surface; a hollow outer cylinder having a hollow hole into which the ball spline shaft is slidably inserted; second track grooves formed on an inner peripheral surface of the hollow hole so as to face the first track grooves of the ball spline shaft; and balls inserted between the first and second track grooves, wherein the arc center of the second track groove formed on the outer cylinder is slightly deviated to the side of the ball spline shaft from the center of the ball inserted between the first and second track grooves, the entrance portion of the second track groove is formed by an arc surface having a diameter which is slightly larger than the diameter of the ball, thereby constructing a supporting portion of the balls, and an almost V-shaped notched groove is formed in a bottom portion of each of the first and second track grooves, thereby forming a groove having an almost arrowhead-shaped cross section, and the portion near the edge of the arrowhead-shaped groove serves as the track surface. With this structure, the small and cheap ball spline linear motion rolling guide unit can be manufactured.
    • 滚珠花键直线运动滚动导向单元包括:滚珠花键轴,其外周面上的预定位置沿纵向在其上形成有第一轨道槽; 具有中空孔的中空外筒,所述滚珠花键轴可滑动地插入所述中空孔中; 第二轨道槽,形成在所述中空孔的内周面上,以面对所述滚珠花键轴的所述第一轨道槽; 以及插入在第一和第二轨道槽之间的球,其中形成在外筒上的第二轨道槽的圆弧中心从插入在第一和第二轨道槽之间的球的中心稍微偏离到滚珠花键轴的侧面 第二轨道槽的入口部分由直径略大于球直径的弧形表面形成,从而构成球的支撑部分,并且形成大致V形的槽形凹槽 从而形成具有几乎箭头状横截面的凹槽,并且在箭头形槽的边缘附近的部分用作轨迹表面。 利用这种结构,可以制造小而便宜的球花键直线运动滚动导向单元。
    • 64. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US09047829B2
    • 2015-06-02
    • US12781239
    • 2010-05-17
    • Kazuhiko TanakaYasutaka TsuruYuya Ogi
    • Kazuhiko TanakaYasutaka TsuruYuya Ogi
    • G09G3/34G02F1/1335
    • G09G3/3426G02F1/1336G02F2001/133601G09G2320/0238G09G2320/0247G09G2320/0646G09G2330/021
    • An image display apparatus includes a dimming value determination circuit for determining a dimming value of a backlight based on an input image signal, an image signal compensation circuit for compensating the input image signal supplied to a liquid crystal panel in accordance with the dimming value, and a backlight drive circuit for driving and controlling the backlight in accordance with the dimming value. When the light emitting luminance of the present frame of the backlight increases relative to the light emitting luminance of the previous frame, the backlight drive circuit delays the timing for applying the dimming value of the present frame. This makes it possible to reduce power consumption of the backlight by suppressing deterioration in the image quality in spite of the sharp change in the display image luminance.
    • 图像显示装置包括:调光值确定电路,用于基于输入图像信号确定背光的调光值;图像信号补偿电路,用于根据调光值补偿提供给液晶面板的输入图像信号;以及 用于根据调光值驱动和控制背光的背光驱动电路。 当背光的当前帧的发光亮度相对于前一帧的发光亮度增加时,背光驱动电路延迟了施加当前帧的调光值的定时。 这使得可以通过抑制显示图像亮度的急剧变化来抑制图像质量的劣化来降低背光的功耗。
    • 65. 发明授权
    • Image display device
    • 图像显示装置
    • US08823633B2
    • 2014-09-02
    • US13079076
    • 2011-04-04
    • Yuya OgiYasutaka TsuruKazuhiko Tanaka
    • Yuya OgiYasutaka TsuruKazuhiko Tanaka
    • G09G3/36G02F1/1335G09G3/34
    • G09G3/3426G09G3/3611G09G2320/0233G09G2320/062G09G2320/064G09G2320/0646G09G2330/021G09G2360/16
    • In a liquid-crystal display device including an edge-light-scheme-employed backlight device, it is implemented to reduce its power consumption while maintaining its excellent picture-quality. The present invention is applied to the backlight device with a plurality of edge-light-scheme backlight cells in a matrix-like manner including a LED light-source, and a light-guiding plate for emitting light. The intensity of light from a backlight cell positioned at a screen's peripheral portion is so controlled as to be made lower than the intensity of light from a backlight cell at a central portion. The light intensity of a backlight cell having a LED light-source adjacent to a first edge portion of the illumination surface of the backlight device is so controlled as to be made higher than the light intensity of a backlight cell adjacent to a second edge portion opposed to the first edge portion.
    • 在包括边缘照明方案的背光装置的液晶显示装置中,实现了降低其功耗,同时保持其优异的图像质量。 本发明以包括LED光源的矩阵状方式和用于发光的导光板应用于具有多个边缘光方案背光单元的背光装置。 来自位于屏幕周边部分的背光单元的光的强度被控制得低于在中心部分来自背光单元的光的强度。 具有与背光装置的照明面的第一边缘部相邻的LED光源的背光单元的光强度被控制为高于与相对的第二边缘部相邻的背光单元的光强度 到第一边缘部分。
    • 67. 发明授权
    • Arrangements having security protection
    • 有安全保护的安排
    • US07917718B2
    • 2011-03-29
    • US12706285
    • 2010-02-16
    • Masakazu EhamaKazuhiko TanakaKoji HosogiHiroaki Nakata
    • Masakazu EhamaKazuhiko TanakaKoji HosogiHiroaki Nakata
    • G06F13/00
    • G06F12/1441G06F12/1027G06F12/1425
    • An external bus interface method including: receiving, via an access control unit, an access request conveyed through an external bus, and judging, via an access judging unit connected to the access control unit, whether the access request is to be honored or rejected, wherein upon receiving the access request, the access control unit sends to the access judging unit an access judging check request signal asking whether the requested address falls within one of access-permitted areas registered in the access judging unit, the access judging unit checks whether the requested address falls within one of the access-permitted areas registered in it and returns to the access control unit, an access judging check result signal indicating whether the access request is to be honored or rejected, and if the access judging check result signal indicates that the access request is to be rejected, the access control unit nullifies the access request.
    • 一种外部总线接口方法,包括:经由访问控制单元接收通过外部总线传送的访问请求,并且经由与所述访问控制单元连接的访问​​判断单元判断所述访问请求是否被履行或拒绝, 其中,在接收到所述访问请求时,所述访问控制单元向所述访问判断单元发送访问判断检查请求信号,询问所请求的地址是否落入在所述访问判断单元中登记的访问允许区域之一内,所述访问判断单元检查是否 所请求的地址落在登记在其中的访问许可区域之一内,并返回到访问控制单元,指示是否要访问或拒绝访问请求的访问判断检查结果信号,以及访问判断检查结果信号是否指示 访问请求将被拒绝,访问控制单元使访问请求无效。