| 摘要 |
PURPOSE:To exactly decide the movement of a body so as not to erroneously detect a part, where no body movement is actually generated, as the generation. CONSTITUTION:The body movements are detected from body movement detecting means 1a-1z, a deciding means 4 decides coarse body movement, fine body movement and absence of human body and at the same time, environment detecting means 11a-11b detect the changes of an environment to occur while being interlocked with body movements. Thus, the body movement can exactly be decided, the continuous time of no body movement is measured by a time measuring means 5, and bedsores can more accurately be informed. |
