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device security to report and to avoid the possibility of collision between vehicles
device security to report and to avoid the possibility of collision between vehicles
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机译：报告设备安全性并避免车辆之间发生碰撞的可能性
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摘要
A vehicle safety apparatus includes a radio means for the detection of an impending collision immediately prior to contact of the vehicle with another object and for actuation of restraining or other safety devices for protecting occupants of the vehicle when the crash event actually occurs. Base-band radio pulse transmission and reception devices with first and second echo signal range gating channels provide distinctive output signals at first and second distances between the vehicle and the reflecting object which signals, when present simultaneously with an absolute forward vehicle speed signal of appropriate value, cause actuation of the protective devices.
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