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    • 38. 发明授权
    • Wide range azimuth driving system for satellite communication antenna
    • 用于卫星通信天线的宽范围方位驱动系统
    • US06313805B1
    • 2001-11-06
    • US09676996
    • 2000-09-29
    • Hiroshi Nishiyama
    • Hiroshi Nishiyama
    • H01Q1300
    • H01Q3/04
    • It is an object of the present invention to provide a wide range azimuth (AZ) driving system for an antenna which has a simple structure and enables costs to be lowered and a producing time to be short. A first worm reducer which is connected to a worm shaft of a motor and a second worm reducer which is intermittently driven by the worm shaft and a clutch are provided, and gears of the two worm reducers engage with a large gear which is arranged to an antenna yoke. Further, one motor can arbitrarily control backlash and both wide range driving at a high speed and tracking driving with high precision are simultaneously possible by properly controlling the clutch and the motor.
    • 本发明的目的是提供一种用于天线的宽范围方位(AZ)驱动系统,其具有简单的结构,并且能够降低成本并且缩短生产时间。 设置有连接到电动机的蜗杆轴的第一蜗杆减速器和由蜗杆轴和离合器间歇地驱动的第二蜗轮减速器,并且两个蜗轮减速器的齿轮与大齿轮啮合,该大齿轮被布置成 天线轭。 此外,通过适当地控制离合器和电动机,一个电动机可以任意地控制间隙并且高速度地进行宽范围的驱动和高精度的跟踪驱动。
    • 40. 发明授权
    • Graphic meter display device and method
    • 图形显示装置及方法
    • US08558681B2
    • 2013-10-15
    • US13186808
    • 2011-07-20
    • Hiroshi Nishiyama
    • Hiroshi Nishiyama
    • B60Q1/00G08B5/24
    • B60K37/02B60K35/00B60K2350/1072B60K2350/352B60K2350/408
    • A graphic meter display device includes a tick mark information retaining section that retains information about display coordinates of respective positions of three or more typical tick marks among tick marks, in correspondence with typical numeric values assigned to the respective positions; an indicator needle coordinate calculation section that extracts two typical numeric values adjacent, above and below, to a magnitude of the input measured value according to the input measured value as a first typical numeric value and a second typical numeric value from the positions of three or more typical tick marks and that calculates, as coordinates of an indicator needle point, an intermediate position, which lies on a line segment connecting coordinates corresponding to the first typical numeric value to coordinates corresponding to the second typical numeric value and which is determined by means of the first typical numeric value, the second typical numeric value, and the measured value; and a graphic display section that renders a display pattern of the indicator needle in a vicinity of the coordinates of the indicator needle point and with reference to the coordinates of the indicator needle point.
    • 图形计量显示装置包括:刻度标记信息保持部,其对应于分配给各个位置的典型数值,保存关于刻度标记之间的三个或更多个典型刻度线的各个位置的显示坐标的信息; 指针针坐标计算部,根据输入的测量值,将相邻的上下两个典型的数值提取为输入测量值的大小,作为第一典型数值,第二典型数值从三位或三位 更典型的刻度标记,并且计算作为指示针点的坐标的中间位置,该中间位置位于将与第一典型数值相对应的坐标与对应于第二典型数值的坐标相对应的线段上,并且其由装置 的第一典型数值,第二典型数值和测量值; 以及图形显示部,其将指示针的显示图案指示在指示器针尖的坐标附近并参照指示针点的坐标。