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21.发明授权Apparatus and method responsive to vehicle jerk for actuating a passenger restraint system in a passenger vehicle 失效响应于车辆起动用于驾驶乘客车辆中的乘客约束系统的装置和方法
公开(公告)号：US4975850A
公开(公告)日：1990-12-04
申请号：US431544
申请日：1989-11-03
申请人： Robert W. Diller
发明人： Robert W. Diller
CPC分类号： B60R21/01336 , B60R21/0132
摘要： Apparatus and method are provided for actuating a passenger restraint system in a passenger vehicle. Vehicle deceleration is sensed and a vehicle condition signal is provided which varies in value with that of vehicle deceleration. The condition signal is differentiated to provide a jerk signal having a value which varies with the rate of change of the vehicle deceleration. A predetermined time period is timed only so long as the value of the condition signal exceeds that of a first threshold level. A second signal is provided so long as the value of the jerk signal exceeds that of a jerk threshold level. A trigger signal is provided for actuating the restraint system only when the second signal occurs during the predetermined time period.
摘要翻译： 提供了用于致动乘客车辆中的乘客约束系统的装置和方法。 检测到车辆减速度，并且提供与车辆减速度值相关的车辆状态信号。 条件信号被区分以提供具有随车辆减速度的变化率而变化的值的加加速器信号。 只要条件信号的值超过第一阈值电平的值，预定时间段被定时。 只要加加号信号的值超过加加速度阈值电平，就提供第二信号。 仅当在预定时间段内发生第二信号时，提供触发信号用于致动约束系统。
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公开(公告)号：US4011536A
公开(公告)日：1977-03-08
申请号：US526470
申请日：1974-11-25
申请人： Lon E. Bell , Robert W. Diller
发明人： Lon E. Bell , Robert W. Diller
CPC分类号： H01H35/183
摘要： A sensor which utilizes the difference in thermal characteristic between two fluids to detect the presence of one fluid or the other. A continuously heated thermal expansion element activates a switch. When the element is brought in thermally conductive contact with a liquid, the heated element drops in temperature, shortening the length of the expansion element and activating the switch.
摘要翻译： 利用两种流体之间的热特性差异的传感器来检测一种流体的存在。 连续加热的热膨胀元件激活开关。 当元件与液体导热接触时，加热元件温度下降，缩短膨胀元件的长度并启动开关。
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