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ASME Press Select Proceedings

International Conference on Advanced Computer Theory and Engineering (ICACTE 2009)

By
Xie Yi
Xie Yi
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ISBN:
9780791802977
No. of Pages:
2012
Publisher:
ASME Press
Publication date:
2009

A device that composed of two circuits include ultrasonic sensor and touch sensor, can be installed in some machines to protect human body from hurting. was proposed in this paper. The device has two ways to identify human body. One is to detect the near human body by ultrasonic sensor, the other one is to detect the touched human body by touch sensor. The device has double protection function with the two different ways. When the device finds that there is human body nearby or touched, a signal will be sent to control the relay connected between input power and the machine. The power of the machine will be cut and human body will be protected away from hurting. Experiment results verify the theory proposed in this paper.

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