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    • 5. 发明授权
    • Article positioning control apparatus
    • 物品定位控制装置
    • US5042223A
    • 1991-08-27
    • US538447
    • 1990-06-15
    • Claude Gerbaud
    • Claude Gerbaud
    • B07C1/00B43M3/04
    • B07C1/00B43M3/04
    • Apparatus for controlling the positioning of articles driven on a path comprises a first position detector mounted on the path upstream from a desired stop position for the articles on the path and a sensor for sensing displacement steps of the articles and triggered by the first position detector. The apparatus is characterized in that first detector is at a non-critical distance from the stop point, and in that it further includes a second position detector mounted at a distance which is known and referenced relative to the stop point, and means for deriving a stop-controlling parameter P during an initialization cycle using one of the articles driven along the path, on the basis of the number N of article displacement steps representing the known distance and on the basis of a number n of sensor steps measured between the article being detected by one of the two position detectors and then by the other. The invention is applicable to mail processing.
    • 用于控制在路径上驱动的物品的定位的装置包括:第一位置检测器,其安装在用于路径上的物品的期望停止位置上游的路径上;以及传感器,用于感测物品的位移步骤并由第一位置检测器触发。 该装置的特征在于,第一检测器与停止点处于非临界距离,并且其还包括以相对于停止点已知和参考的距离安装的第二位置检测器,以及用于导出 基于代表已知距离的物品位移步骤的数量N,并且基于在物品之间测量的传感器步数的数量n,在初始化循环期间使用沿路径驱动的物品之一的停止控制参数P 由两个位置检测器中的一个检测,然后由另一个检测。 本发明适用于邮件处理。