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    • 7. 发明授权
    • Vehicle acceleration/deceleration warning system having turn signal
features
    • 具有转向信号功能的车辆加速/减速预警系统
    • US4384269A
    • 1983-05-17
    • US244884
    • 1981-03-18
    • Robert W. Carlson
    • Robert W. Carlson
    • B60Q1/44B60Q1/34
    • B60Q1/445
    • An electronic acceleration/deceleration warning system for a vehicle includes an electro mechanical transducer, for example an arrangement of pendulum, light source and photocells, for converting acceleration or deceleration of the vehicle into an electrical quantity, changing in proportion with the rate of deceleration, an oscillator having a variable frequency output, a circuit connected to the transducer and oscillator for varying the frequency of the oscillator output signal in proportion to the vehicle deceleration, and a pair of warning lamps horizontally displaced on the rear end of the vehicle and connected to the oscillator in a manner such that the lamps flash alternately and at a rate determined by the vehicle deceleration. The warning lamps can also serve as turn indicators for the vehicle. A manually-operated switch has two selectable states corresponding to the two turn directions for the vehicle. A circuit connected to the switch, oscillator and lamps applies a constant frequency signal to either one of the lamps and prevents application of the signal to the other lamp as determined by the manually selected state of the switch. A priority arrangement operative in response to a predetermined level of deceleration prevents disabling of either warning lamp thereby allowing operation of the warning system irregardless of the state or position of the turn selector switch.
    • 一种用于车辆的电子加速/减速预警系统包括电机械换能器,例如摆锤,光源和光电管的布置,用于将车辆的加速或减速转换成与减速比成比例的电量, 具有可变频率输出的振荡器,连接到换能器和振荡器的电路,用于与车辆减速度成比例地改变振荡器输出信号的频率;以及一对警告灯,其在车辆的后端水平移位并连接到 振荡器以使得灯交替地以由车辆减速度确定的速率闪烁的方式。 警示灯也可以作为车辆的转向指示器。 手动开关具有与车辆的两个转向相对应的两个可选状态。 连接到开关,振荡器和灯的电路向两个灯之一施加恒定频率信号,并且防止将信号施加到由手动选择的开关状态确定的另一个灯。 响应于预定的减速水平操作的优先布置防止了警报灯的禁用,从而允许警告系统的操作,而不管转向选择器开关的状态或位置如何。
    • 8. 发明授权
    • Vehicle acceleration/deceleration warning system
    • 车辆加速/减速预警系统
    • US4320384A
    • 1982-03-16
    • US203600
    • 1980-11-03
    • Robert W. Carlson
    • Robert W. Carlson
    • B60Q1/44B60Q1/26H01H35/14
    • B60Q1/445
    • A compound pendulum allows light to impinge upon properly positioned acceleration or deceleration photocells to vary the resistance of the photocells in accordance with the angular displacement of the pendulum; the amount and direction of angular displacement of the pendulum is dependent on the amount of acceleration or deceleration of the vehicle. Variation of the deceleration photocell resistance varies the frequency of an oscillator circuit to alternately flash a pair of warning lights at a frequency dependent on the rate of deceleration of the vehicle. The acceleration photocell must receive maximum illumination (a threshold value) to actuate a light for warning of a minimum rate of acceleration of the vehicle. A manual switch allows a high flash rate of alternate warning lights to be controlled by the operator of the vehicle. An audio generator produces a continuous tone for acceleration and an interrupted tone for deceleration, the frequency of interruption corresponding to the flash rate of the deceleration warning lights. The system is an aid in preventing rear end collisions and will save gasoline if properly used.
    • 复合摆杆允许光照射到适当定位的加速或减速光电管,以根据摆锤的角位移来改变光电池的电阻; 摆的角位移量和方向取决于车辆的加速度或减速度。 减速光电管电阻的变化会改变振荡器电路的频率,以一定的频率交替地闪烁一个警告灯,取决于车辆的减速度。 加速度光电管必须接收最大照明(阈值)以致动灯,以警告车辆的最小加速度。 手动开关允许由车辆操作者控制交替警告灯的高闪光率。 音频发生器产生一个连续的加速音和一个中断的音调减速,中断频率对应于减速警告灯的闪光速率。 该系统有助于防止后端碰撞,如果使用正确,将节省汽油。
    • 9. 发明授权
    • Vehicle acceleration/deceleration warning system
    • 车辆加速/减速预警系统
    • US4258353A
    • 1981-03-24
    • US103410
    • 1979-12-13
    • Robert W. Carlson
    • Robert W. Carlson
    • B60Q1/44B60Q1/26H01H35/14
    • B60Q1/445
    • A compound pendulum allows light to impinge upon properly positioned acceleration or deceleration photocells to vary the resistance of the photocells in accordance with the angular displacement of the pendulum; the amount and direction of angular displacement of the pendulum is dependent on the amount of acceleration or deceleration of the vehicle. Variation of the deceleration photocell resistance varies the frequency of an oscillator circuit to alternately flash a pair of warning lights at a frequency dependent on the rate of deceleration of the vehicle. The acceleration photocell must receive maximum illumination (a threshold value) to actuate a light for warning of a minimum rate of acceleration of the vehicle. A manual switch allows a high flash rate of alternate warning lights to be controlled by the operator of the vehicle. An audio generator produces a continuous tone for acceleration and an interrupted tone for deceleration, the frequency of interruption corresponding to the flash rate of the deceleration warning lights. The system is an aid in preventing rear end collisions and will save gasoline if properly used.
    • 复合摆杆允许光照射到适当定位的加速或减速光电管,以根据摆锤的角位移来改变光电池的电阻; 摆的角位移量和方向取决于车辆的加速度或减速度。 减速光电管电阻的变化会改变振荡器电路的频率,以一定的频率交替地闪烁一个警告灯,取决于车辆的减速度。 加速度光电管必须接收最大照明(阈值)以致动灯,以警告车辆的最小加速度。 手动开关允许由车辆操作者控制交替警告灯的高闪光率。 音频发生器产生一个连续的加速音和一个中断的音调减速,中断频率对应于减速警告灯的闪光速率。 该系统有助于防止后端碰撞,如果使用正确,将节省汽油。