PROBLEM TO BE SOLVED: To provide an on-bed determination device reducing occurrences of a false detection and an erroneous determination.SOLUTION: An on-bed determination device 100 includes: a load sensor 11 that is disposed on a bed 2 and detects a change in the load on the bed 2 a storage section 12 that sequentially stores detection results of the load sensor 11 and an on-bed determination section 17 that, when it is determined that, based on a detection result detected at least a prescribed time earlier that is stored in the storage section 12 and a detection result of a present time, the load the prescribed time earlier decreases, determines that a person 1 is present on the bed 2.COPYRIGHT: (C)2014,JPO&INPIT【課題】誤検出や誤判定を低減することが可能な在床判定装置を提供する。【解決手段】在床判定装置100は、寝具2に配設され、寝具2上の荷重を検出する荷重センサ11と、当該荷重センサ11の検出結果を順次記憶する記憶部12と、当該記憶部12に記憶されている少なくとも所定時間前の検出結果と、現時点の検出結果とに基づいて所定時間前の荷重が減少していると判定された場合に寝具2上に人1が存在していると判定する在床判定部17と、を備える。【選択図】図1
