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    • 34. 发明授权
    • Device and method for detecting reflected and/or emitted light of an object
    • 用于检测物体的反射和/或发射光的装置和方法
    • US08472025B2
    • 2013-06-25
    • US13144072
    • 2009-12-04
    • Christoph ReinhardReto Schletti
    • Christoph ReinhardReto Schletti
    • G01N21/55
    • G07D7/121
    • A device and a method for detecting reflected and/or emitted light of an object (1) are proposed having at least one illumination device (2) illuminating the object (1) with pulsed light, and having at least one sensor (4, 6) capturing the light reflected and/or emitted by the object (1), and having a transport device transporting the object relative to the illumination device (2) and past the sensor 4, 6) in the direction of transport, and having a power supply (16, 17, 18, 19, 20, 21, 22) for the illumination device (2) providing the illumination device (2) with a current that is a periodic function over time, wherein a period comprises at least two current pulses (23, 24) of different magnitudes.
    • 提出了一种用于检测物体(1)的反射和/或发射光的装置和方法,其具有至少一个用脉冲光照射物体(1)的照明装置(2),并且具有至少一个传感器(4,6) )捕获由物体(1)反射和/或发射的光,并且具有相对于照明装置(2)传送物体并经过传感器4,6的传送装置沿传送方向传送,并具有电力 为照明装置(2)提供具有随时间变化的周期性功能的电流(16,17,18,19,20,21,22),其中周期包括至少两个电流脉冲 (23,24)不同程度。