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    • 3. 发明授权
    • Vibration sensing device
    • 振动传感装置
    • US06178821B2
    • 2001-01-30
    • US09236427
    • 1999-01-25
    • Sudhir Dattatraya SavkarWalter Whipple
    • Sudhir Dattatraya SavkarWalter Whipple
    • G01D900
    • G01L1/103G01D5/145
    • A vibration sensing device including a strip bearing a pattern of markings. The strip is caused to slide back and forth in front of a sensor as the result of vibration or displacement of an object to which either the strip or the sensor is attached. By varying the spacing between the markings on strip, the direction and approximate speed of the motion can be sensed by the frequency of the signal generated by movement of the pattern past the sensor and its rate of change. The vibration sensing device can be made to sense out of balance (OOB) or vibratory motion of a piece of equipment such as a washing machine, motor engine or other device during use or transport.
    • 一种振动感测装置,包括带有标记图案的条带。 由于带或传感器所附着的物体的振动或位移,导致条带在传感器前面前后滑动。 通过改变条带上的标记之间的距离,运动的方向和近似速度可以通过由图案经过传感器的移动产生的信号的频率及其变化率来感测。 振动感测装置可以在使用或运输期间使感知不平衡(OOB)或诸如洗衣机,发动机或其他装置的设备的振动运动。