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Study in New Type Signaling Device for Mine Hoists

ZHOU Xiuhua (China College of Coal Economy, Shandong Yantai 264005)  
A new type of signaling device for mine hoists is introduced here. It employs advanced digital communication technology and solves the problem of signal transmission in mine hoists. The new device not only improves reliability and information volume of data transmission but also saves costs in communication cable. Additionally, the device employs LED arrays and display various information with Chinese Characters, and provides a user friendly interface.
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