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    • 1. 发明授权
    • Method and apparatus for detecting angular phase difference
    • 用于检测角度相位差的方法和装置
    • US06873264B2
    • 2005-03-29
    • US10019018
    • 2001-04-24
    • Atsushi IkedaHiroshi YamashitaMasahiro YamaguchiJunichi Ibushi
    • Atsushi IkedaHiroshi YamashitaMasahiro YamaguchiJunichi Ibushi
    • B41F33/00G08B21/00
    • B41F33/0081
    • A rotational phase difference detecting system, a method that is capable of very accurately detecting a rotational phase difference between a plurality of rotating bodies, a machine operating-state monitoring system, and a method employing the rotational phase difference detecting system. The detecting system has a first rotating body with a first mark, a second rotating body with a second mark, a mark sensor for detecting the first mark, a first camera for imaging the second mark when the mark sensor detects the first mark, and a display section for displaying the second mark imaged by the first camera. The rotational phase difference is detected from a position of an image of the second mark displayed on the display section and is thus detected very accurately with a simple construction comprising the mark sensor, the first camera, and the display section.
    • 旋转相位差检测系统,能够非常准确地检测多个旋转体之间的旋转相位差的方法,机器运行状态监视系统以及采用旋转相位差检测系统的方法。 检测系统具有第一标记的第一旋转体,具有第二标记的第二旋转体,用于检测第一标记的标记传感器,当标记传感器检测到第一标记时对第二标记进行成像的第一相机,以及 显示部分,用于显示由第一相机成像的第二标记。 从显示在显示部分上的第二标记的图像的位置检测旋转相位差,并且以包括标记传感器,第一相机和显示部分的简单结构非常准确地检测旋转相位差。