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2. 发明授权

US08996258B2 Vehicle safety system having methods and apparatus configurable for various vehicle geometries 有权
标题翻译：具有适用于各种车辆几何形状的方法和装置的车辆安全系统
公开(公告)号：US08996258B2
公开(公告)日：2015-03-31
申请号：US11589521
申请日：2006-10-30
申请人： Hongwei Liu , Barry Davignon
发明人： Hongwei Liu , Barry Davignon
IPC分类号： G01M17/00 , G06F19/00 , B60R1/02
CPC分类号： B60R1/025
摘要： Methods and apparatus for automatically adjusting the angle of a rotatable side view mirror of an articulated tractor and trailer includes transducers attached to the tractor for transmitting signals toward the trailer and for receiving signals reflected by the trailer. The transducers have a substantially symmetrical arrangement about a centerline of a linear transducer bar attached to the tractor and each has an angular orientation substantially dissimilar to adjacent transducers on a same side of the centerline. A control circuit sequentially activates ones of the transducers such that only a single transducer transmits signals at any given time. Thereafter, the control circuit only processes reflected signals received by the emitting transducer. The control circuit calculates an angle between the tractor and trailer and causes the mirrors to rotate. Transducer calibration and mirror adjustment relative to a zero position set by a driver are also contemplated.
摘要翻译：用于自动调节铰接式拖拉机和拖车的可旋转侧视角的角度的方法和装置包括附接到拖拉机的换能器，用于向拖车传输信号并接收由拖车反射的信号。传感器围绕连接到拖拉机的线性传感器杆的中心线具有基本上对称的布置，并且每个具有与中心线同一侧上的相邻换能器基本不相似的角度取向。控制电路顺序地激活换能器中的一个，使得只有单个换能器在任何给定时间发射信号。此后，控制电路仅处理由发射换能器接收的反射信号。控制电路计算拖拉机和拖车之间的角度，并使镜子旋转。还考虑了相对于由驾驶员设定的零位置的传感器校准和镜面调整。

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