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1. 发明申请

WO1997019638A1 ELECTROMAGNETIC OBJECT DETECTOR FOR A MEDICAL DIAGNOSTIC APPARATUS 审中-公开
标题翻译：用于医疗诊断设备的电磁对象检测器
公开(公告)号：WO1997019638A1
公开(公告)日：1997-06-05
申请号：PCT/IB1996001262
申请日：1996-11-20
申请人： PHILIPS ELECTRONICS N.V. , PHILIPS NORDEN AB
发明人： PHILIPS ELECTRONICS N.V. , PHILIPS NORDEN AB , HABRAKEN, Wilhelmus, Johannes, Petrus , BLOM, Antonius, Hermanus, Maria , ASJES, Ronald, Jan
IPC分类号： A61B06/10
CPC分类号： A61B6/102 , G05B19/4061 , G05B2219/34031 , G05B2219/37272 , G05B2219/37628 , G05B2219/45118
摘要： An apparatus for medical diagnosis and/or therapy, including an electromagnetic obstacle sensor. Due to variations of the ambient temperature and humidity and/or due to the hanging of, for example, a cloth around the sensors (16, 18), drift of the zero point of the control may occur, so that the approaching of an obstacle by a movable part (6) of the apparatus could be incorrectly interpreted by the apparatus. In order to compensate for such drift there is provided a control unit (25) for automatically controlling the output signal V0 of the receiver (27) back to the zero value in the absence of an object in the vicinity of the movable part (6). This control preferably takes place at a comparatively high speed when a cloth or moisture is moved into the vicinity of the sensors, and at a comparatively low speed upon removal of the cloth or the moisture. As a result, the nature of the movement of the drive is maintained for some time after the displacement of the movable part, thus contributing to the ease of operation of the apparatus.
摘要翻译：一种用于医疗诊断和/或治疗的装置，包括电磁障碍传感器。由于环境温度和湿度的变化和/或由于例如传感器（16,18）周围的布悬挂，可能发生控制零点的漂移，使得障碍物的接近由设备的可移动部分（6）可能被设备错误地解释。为了补偿这种漂移，提供了一个控制单元（25），用于在可移动部分（6）附近不存在物体的情况下自动控制接收器（27）的输出信号V0回到零值，。当布或湿气移动到传感器附近时，优选地以相对高的速度进行该控制，并且在去除布或湿气时以较低的速度进行。结果，驱动器的运动的性质在可移动部件的移动之后保持一段时间，从而有助于装置的操作容易。

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