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    • 1. 发明申请
    • ACTIVE MOTION SENSOR
    • 主动运动
    • WO1996010752A1
    • 1996-04-11
    • PCT/EP1995003680
    • 1995-09-19
    • ITT AUTOMOTIVE EUROPE GMBHBLECKMANN, Hans-WilhelmLORECK, HeinzLOHBERG, Peter
    • ITT AUTOMOTIVE EUROPE GMBH
    • G01P21/02
    • G01D5/2448G01B7/14G01D3/02G01P3/481G01P21/02
    • In so-called active sensors that transmit to an electronic regulator (7) an output signal (IS) whose amplitude does not depend from the speed of the encoder nor from the distance between sensor (6) and encoder (5), determining whether the length (d) of the distance set between the sensor (6) and encoder (5) is sufficiently small to ensure that the input signal generated in the sensor (6) has a sufficient amplitude even when the distance is dynamically increased represents a problem, since said length (d) may not be determined from the output signal (IS). If the input signal induced by the encoder (5) in the sensor (6) is too low, a sensor-inherent hysteresis threshold (V1) is not exceeded and no output signal (IS) is generated. In order to prevent the sensor (6) from being unintentionally driven to the limits of the maximum admissible distance between sensor and encoder, the sensor-inherent hysteresis threshold (V1) is set at a higher value (V2) for test purposes. If a sufficient input signal is generated even at said higher hysteresis (V2), it may be supposed that the sensor is correctly mounted.
    • 在所谓的有源传感器的输出信号(IS)传递到电子控制器(7),其幅度取决于既不在编码器的速度或传感器(6)与所述编码器的距离(5),出现的问题是 使用输出信号(IS)不能确定是否将(6)和(5)中设置的空气间隙厚度(d)的编码器,即使在动态气隙倍率设定足够小到传感器(6)的产生足够的振幅的传感器之间 输入信号确认。 的是,在传感器(6)引起的输入信号太小编码器(5)的,传感器内部迟滞阈值(V1)是不超过,并且存在(IS)产生的输出信号。 为了排除一个传感器(6)是在其最大气隙的限制无意操作时,根据建议的本发明,所述传感器内部迟滞阈值(V1),以用于测试目的的较大滞后阈值(V2)开关。 即使与此大的滞后(V2)仍然产生足够的输入信号时,它可以假设一个适当的安装位置。
    • 8. 发明申请
    • MOVEMENT-DETECTING ARRANGEMENT
    • 安排移动检测
    • WO1996041133A1
    • 1996-12-19
    • PCT/EP1996001338
    • 1996-03-27
    • ITT AUTOMOTIVE EUROPE GMBHBLECKMANN, Hans-WilhelmLOHBERG, PeterLORECK, Heinz
    • ITT AUTOMOTIVE EUROPE GMBH
    • G01D05/14
    • G01P3/488G01D5/145
    • The invention concerns a sensor element (2) which in normal operation emits information merely as to whether two or more field-sensitive components are located in peripheral regions of identical or different electromagnetic field intensities of a pulse generator (1). In order that these sensor elements can also enable it to be ascertained as soon as a supply voltage is switched on whether an identical electromagnetic field intensity at both components corresponds to a region of lower (L) or higher (H) field intensity, the invention proposes that when the supply voltage is switched on, the sensor element is first operated such that the absolute field intensity is measured for a given time. If there is a differential connection between two field-sensitive components (3, 4), one of the components is temporarily switched off, both components are connected in parallel or both components are connected in series.
    • 本发明涉及的传感器元件(2),其中只有发射信息作为在正常操作中,如果相同的在周边区域或脉冲发生器(1)的不同的电磁场强度的两个或更多个场敏感元件位于其中。 为了创建即使利用这样的传感器元件立即确定的电源电压的切换时,在两个分量的相等的电磁场强度是否对应于较低的(L)的区域中的可能性,或高(H)场强,本发明提出,其特征在于,所述电源电压是初始的传感器元件 操作,使得在一定时间内,绝对场强度被测量。 在两个场敏感的元件(3,4)的一个差分电路,这是例如在部件中的一个被临时关断进行,即两种成分并联连接或两个组件串联连接。
    • 9. 发明申请
    • ACTIVE MOTION SENSOR
    • 主动运动
    • WO1996010751A1
    • 1996-04-11
    • PCT/EP1995003679
    • 1995-09-19
    • ITT AUTOMOTIVE EUROPE GMBHBLECKMANN, Hans-WilhelmLORECK, HeinzLOHBERG, Peter
    • ITT AUTOMOTIVE EUROPE GMBH
    • G01P21/02
    • G01D5/24452G01P3/4802
    • In state-of-the-art active motion sensors, in particular speed of rotation sensors, a signal having always the same amplitude is supplied to an electronic regulator and information about the speed of an encoder lies within the frequency of the output signal. Since, however, a defined distance between sensor (6) and encoder (5) should not be exceeded if the speed of rotation is to be correctly detected, the invention provides that the distance between sensor (6) and encoder (5) should also be controllable, even in the case of active sensors. For that purpose, an electronic circuit in the sensor (6) significantly modifies the signal intensity and/or form of a signal supplied to the electronic regulator (7) depending on the distance between sensor and encoder.
    • 在用于检测运动现有的有源传感器,特别是车速传感器,一个信号被提供给一个电子控制器,它的振幅始终与围绕编码器的速度的信息相同的输出信号的频率。 然而,由于用于正确的速度检测传感器(6)和编码器(5)之间有一定的限定的空气间隙必须不按照本发明应该是传感器(6)和编码器(5)之间可控制的空气间隙的厚度和有源传感器超出,。 这是根据本发明在传感器的电子电路来实现(6)显著改变输出信号强度和/或电子控制器(7)信号取决于空气间隙厚度的信号形式。