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1. 发明申请

WO1981003561A1 METHOD TO DRAW CURVES WITH TWO STEPPER MOTOR DRIVEN WHEELS AND A PENCIL 审中-公开
标题翻译：用两台步进电机驱动的轮子和一个笔尖来绘制曲线的方法
公开(公告)号：WO1981003561A1
公开(公告)日：1981-12-10
申请号：PCT/SE1981000154
申请日：1981-05-26
申请人： BAECKMAN B
IPC分类号： G06K15/22
CPC分类号： G06K15/22 , B43L11/00 , B43L13/022
摘要： Method of drawing curves with a polar step method. In this case two electrical stepper motors (3) are used, with each of them driving a co-axially placed driving wheel (1). In the centre between the contact points of the driving wheels against the drawing surface (10) a pencil (6) is attached. If the stepper motors turn the same amount but in different senses of rotation a relative turning between the axle of the driving wheels and the drawing surface will be achieved with the centre of rotation at the point of the pencil. If the stepper motors turn the same amount in the same sense of rotation, a linear relative movement between the pencil and the drawing surface will be achieved and a line will be drawn. With alternating turnings and linear movements a curve can be drawn.
摘要翻译：用极性步法绘制曲线的方法。在这种情况下，使用两个电动步进电动机（3），其中每个驱动同轴放置的驱动轮（1）。在驱动轮与接触表面（10）的接触点之间的中心附接有铅笔（6）。如果步进电机转动相同的数量，但是在不同的旋转感觉下，驱动轮的轴与牵引表面之间的相对转动将通过笔尖处的旋转中心来实现。如果步进电机以相同的旋转方向转动相同的量，则可以实现铅笔和绘图表面之间的线性相对运动，并绘制一条线。对于交替的转弯和线性运动，可绘制曲线。

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