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    • 9. 发明授权
    • System and method for laser range finder
    • 激光测距仪的系统和方法
    • US06310682B1
    • 2001-10-30
    • US09347976
    • 1999-07-06
    • Moshe GavishKuo-Tso Chen
    • Moshe GavishKuo-Tso Chen
    • G01C308
    • G01S17/10G01S7/4865G01S7/497
    • The actual value of a parameter from a laser range finder to a target is determined by adjusting the measured parameter by a measurement error. The error adjustment is based on the relationship between the intensity of the detected pulse and the expected parameter error. The laser range finder has a laser diode for emitting a laser pulse to a target to produce a reflected pulse, and a detector for receiving the reflected pulse. A measurement circuit is coupled to the detector for determining a measured parameter based on the reflected pulse. An integrator is coupled to the detector for determining the pulse area, and therefore, the intensity of the reflected pulse. A processor is coupled to the measurement circuit and the integrator for adjusting the measured parameter based on the pulse area of the reflected pulse, to provide the actual value of the parameter.
    • 通过将测量参数调整为测量误差来确定从激光测距仪到目标的参数的实际值。 误差调整基于检测到的脉冲强度与预期参数误差之间的关系。 激光测距仪具有用于向目标发射激光脉冲以产生反射脉冲的激光二极管和用于接收反射脉冲的检测器。 测量电路耦合到检测器,用于基于反射的脉冲确定测量的参数。 积分器耦合到检测器以确定脉冲区域,并因此确定反射脉冲的强度。 处理器耦合到测量电路和积分器,用于基于反射脉冲的脉冲面积来调整测量参数,以提供参数的实际值。
    • 10. 发明授权
    • Vehicle anti-collison device
    • 车辆反对设备
    • US5388048A
    • 1995-02-07
    • US17742
    • 1993-02-16
    • Amotz YavnayiMoshe GavishPinchas SchechnerIsrael Kantor
    • Amotz YavnayiMoshe GavishPinchas SchechnerIsrael Kantor
    • G01S17/93G06F15/50
    • G01S17/936
    • A vehicle anti-collision device comprising a laser rangefinder mounted inside a vehicle near to a windshield thereof. The distance of the vehicle from a leading vehicle is constantly calculated and sampled at predetermined time intervals, enabling the closing velocity of the vehicle with respect to the leading vehicle to be calculated. A digital speedometer is provided for determining the self-speed of the vehicle whereby the safety time between the two vehicles may be calculated. The safety time is displayed and an audible alarm is sounded in the event that the calculated safety time is less than a predetermined threshold. Preferably, the rangefinder is coupled to the vehicle's steering mechanism so as to be responsive to a turning radius of the vehicle in order that the rangefinder may distinguish between two vehicles travelling in the same lane and in different lanes, respectively. Likewise, provision is made for compensating for the elevation angle of the rangefinder beam for variations in load distribution within the vehicle.
    • 一种车辆防碰撞装置,包括安装在靠近其挡风玻璃的车辆内的激光测距仪。 以预定的时间间隔不断地计算和采样车辆与前方车辆的距离,从而能够计算车辆相对于前方车辆的关闭速度。 提供用于确定车辆的自身速度的数字车速表,由此可以计算两辆车辆之间的安全时间。 在计算安全时间小于预定阈值的情况下,显示安全时间并发出声音报警。 优选地,测距仪耦合到车辆的转向机构,以响应于车辆的转弯半径,以便测距仪可以分别在同一车道和不同车道中行驶的两辆车辆之间进行区分。 同样地,为了补偿在车辆内的载荷分布的变化,用于补偿测距梁的仰角。