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71. 发明申请

WO1992008137A1 CIRCUIT ARRANGEMENT FOR PREPARING THE OUTPUT SIGNAL OF A REVOLUTION SPEED SENSOR 审中-公开
标题翻译：用于准备变速传感器输出信号的电路布置
公开(公告)号：WO1992008137A1
公开(公告)日：1992-05-14
申请号：PCT/EP1991001843
申请日：1991-09-26
申请人： ALFRED TEVES GMBH , LORECK, Heinz , ZYDEK, Michael , FEY, Wolfgang
发明人： ALFRED TEVES GMBH
IPC分类号： G01P03/481
CPC分类号： H03K5/08 , B60T8/172 , G01P3/481
摘要： A circuit arrangement for preparing the output signal (US) of a rotation speed sensor (1), e.g. the wheel sensor of a motor vehicle, has a trigger circuit (2) the hysteresis or trigger thresholds of which are controllable and circuits for finding a coupling factor which gives the amplitude of the sensor output signal when multiplied by the frequency of the sensor signal corresponding to the revolution speed. Threshold values (US1, US2) for the output signal of the revolution speed sensor (1) are predetermined to find the coupling factor and set the hysteresis. When the vehicle is started, the coupling factor is determined from the frequency of the sensor signal at the time (t2) of reaching the thresholds (US1, US2) and the hysteresis is set correspondingly.
摘要翻译：一种用于准备转速传感器（1）的输出信号（US）的电路装置，例如，机动车辆的车轮传感器具有触发电路（2），其迟滞或触发阈值是可控的，并且用于找到耦合因子的电路，该耦合因子在传感器输出信号的频率乘以相应的传感器信号的频率时以革命的速度。预定转速传感器（1）的输出信号的阈值（US1，US2），以找出耦合因子并设定滞后。当车辆启动时，根据传感器信号在到达阈值（US1，US2）的时间（t2）的频率确定耦合因子，并相应地设置滞后。

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