@article{ref1,
title="Fall detection and reliable device design",
journal="Zhongguo Yi Liao Qi Xie Za Zhi",
year="2009",
author="Li, Zhixia and Pin, Cai",
volume="33",
number="2",
pages="99-102, 111",
abstract="Utilizing the three dimensional accelerations measurement and the four-quadrant inclination switch which is developed to send an orientation warning, the fall detection method combining the impact detection and orientation prewarning is presented. And the accuracy of the fall detection is effectively improved.<p /> <p>Language: zh</p>",
language="zh",
issn="1671-7104",
doi="",
url="http://dx.doi.org/"
}