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    • 4. 发明授权
    • Precision calibration method for high-precise rotary encoder
    • 高精度旋转编码器精密校准方法
    • US09574915B1
    • 2017-02-21
    • US14977636
    • 2015-12-22
    • National Chung-Shan Institute of Science & Technology
    • Yi-Yuh HwangWei-Kuo Chang
    • G01D5/34G01D18/00G01D5/347G01B11/16
    • G01D18/00G01B11/162G01D5/34G01D5/3473G01D18/008
    • The present invention mainly provides a precision calibration method for being applied in a high-precise rotary encoder system, wherein the primary technology feature of the precision calibration method is that: using a laser speckle image capturing module to capture N frames of laser speckle image from an optical position surface of a rotary encoding body, and then using image comparison libraries and particularly-designed mathematical equations to calculate N number of displacement vectors based on the N frames of laser speckle image, so as to eventually calculate N number of angle coordinates corresponding to the N frames of laser speckle image based on the plurality of displacement vectors. Moreover, a rotation matrix is further proposed and used in this precision calibration method, and used for treating the displacement vectors with a displacement vector transforming process in order to effectively enhance the position precision of the high-precise rotary encoder system.
    • 本发明主要提供了一种应用于高精度旋转编码器系统的精密校准方法,其中精密校准方法的主要技术特征是:使用激光散斑图像捕获模块捕获N帧的激光散斑图像 旋转编码体的光学位置表面,然后使用图像比较库和特别设计的数学方程式,根据激光散斑图像的N个帧来计算N个位移矢量,以便最终计算N个角度坐标对应 基于多个位移矢量对N帧的激光散斑图像。 此外,在该精密校准方法中进一步提出并使用旋转矩阵,并且用于利用位移矢量变换处理来处理位移矢量,以有效地提高高精度旋转编码器系统的位置精度。
    • 9. 发明授权
    • Spherical structure and method for forming the same based on four basic
element
    • 基于四个基本元素的球形结构及其形成方法
    • US5907931A
    • 1999-06-01
    • US21403
    • 1998-02-10
    • En-Yuan Sun
    • En-Yuan Sun
    • E04B1/32E04B7/10
    • E04B7/105E04B1/3211E04B7/107E04B2001/3294Y10S52/10
    • A spherical structure is formed by assembling a plurality of elementary constructs each of which is composed of three first triangular elements, three second triangular elements, three third triangular elements, and three fourth triangular elements. These triangular basic elements are different-sized triangular frameworks covered by respectively corresponding panels. A self-supporting spherical radome or other spherical structures can be constructed from a random distribution of these four basic elements by repeatedly arranging the elementary constructs assembled by the basic elements. Only four different triangular basic elements are required for constructing and dovetailing the whole spherical structure.
    • 通过组装多个基本结构形成球形结构,每个基本构造由三个第一三角形元件,三个第二三角形元件,三个第三三角形元件和三个第四三角形元件组成。 这些三角形基本元素是分别对应的面板覆盖的不同大小的三角形框架。 可以通过重复地布置由基本元件组装的基本构造,通过这四个基本元件的随机分布来构建自支撑球形天线罩或其它球形结构。 只需四个不同的三角基本元素来构造和整合整个球形结构。
    • 10. 发明授权
    • Zipper teeth forming mechanism for zipper forming machines
    • 拉链成型机拉链成型机构
    • US5688539A
    • 1997-11-18
    • US647847
    • 1996-05-03
    • Ray-Long TsaiJoseph Wu
    • Ray-Long TsaiJoseph Wu
    • B29D5/06B29D5/00
    • B29D5/06B29K2077/00B29L2005/00Y10S425/814
    • An improved zipper teeth forming mechanism for zipper forming machines. The teeth forming mechanism includes a mold base, a support seat, a seat cover, a screw sleeve and a ram mechanism. The screw sleeve consists of an upper portion and a lower portion defining a space therebetween for accommodating a forming screw. The upper portion has an elongate groove and a notch. A central rod is disposed in the groove while the ram mechanism is secured at the notch of the upper portion of the screw sleeve. The ram mechanism consists of a ram adjusting seat with a post, a bearing positioned on the post, a ram roller fitted on the bearing and a slide block fitted on the post of the ram adjusting seat.
    • 用于拉链成型机的改进的拉链齿形成机构。 齿形机构包括模座,支座,座罩,螺纹套和冲压机构。 螺杆套筒由上部和下部组成,在上部和下部之间形成用于容纳成形螺钉的空间。 上部具有细长凹槽和凹口。 中心杆设置在凹槽中,而冲头机构固定在螺钉套筒的上部的凹口处。 冲压机构包括一个带立柱的柱塞调节座,一个定位在柱上的轴承,一个安装在轴承上的一个活塞滚子和一个安装在压头调节座的柱上的滑块。