Confirming system of daily life of elderly people by failsafe design concept

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Confirming method of daily life activity of elderly people in this study has acceleration sensors on some fixtures and furniture. It can evaluate the resident’s normal daily life by recording numerical motion data. We can presume unexpected events at the moment of fail of detection of the normal numerical data. The experiment has shown that it is possible to build a confirming system based on failsafe concept. Remote Control of PC for the acceleration measurement through the Internet makes it possible for their separated family to confirm their elderly parents.