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According to U.S.A. Aetna organization, nearly 10% of the people have cervical painful phenomena in U.S.A. These people who have suffered the cervical pain do not mainly cause by injuring. This proves mostly people that the neck and shoulder ache is social civilization ill now. Also prove use Cervical Traction Devices in the medical circles that is appropriated to curative effect. The purpose of this thesis use the Microcontroller to control Traction Devices of application force, and use Flexiforce Sensor and Piezoelectric Film Sensors as main measurement and compares. And add the microprocessor controller 8051, do the link with the computer through the interfaces RS-232, to reach the effect of supervision, the containment A/D converts the electric circuit on the other electric circuit, 7-seg LED and the Analog switch electric circuit etc. perimeter electric circuit. However the home did not to neck lead the machine currently, it applies the instrument of all of the measurement. This thesis tries the design and the manufacture of force tranducer for a cervical traction device.
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