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    • 2. 发明申请
    • VEHICLE SECURITY SYSTEM
    • 车辆安全系统
    • WO9420336A2
    • 1994-09-15
    • PCT/GB9400435
    • 1994-03-07
    • EVANS DAVID R
    • EVANS DAVID RALPH
    • B60R25/10B60R25/00
    • B60R25/1018
    • A security system for a vehicle comprising a control unit (4) connected to the power supply (3) of the vehicle and capable of sending signals along such power supply lines, and having a relay unit (1) connected in parallel or in series with at least one vehicle component (2). When the relay unit (1) is connected in parallel with the vehicle component (2) it provides a low resistance path such that when the relay unit (1) is activated the vehicle component (2) is disabled. Signalling is effected between the units (1, 4) along the supply lines of the vehicle by selectively switching a resistive load to the power lines or by superimposing a modulated high frequency signal onto the power lines.
    • 一种用于车辆的安全系统,包括连接到所述车辆的电源(3)的控制单元(4),并且能够沿着所述电源线发送信号,并且具有并联或串联连接的中继单元(1) 至少一个车辆部件(2)。 当继电器单元(1)与车辆部件(2)并联连接时,提供低阻力路径,使得当继电器单元(1)被激活时,车辆部件(2)被禁用。 通过选择性地将电阻负载切换到电力线,或通过将调制的高频信号叠加到电力线上,沿着车辆的供给线在单元(1,4)之间进行信号传递。