| 摘要 |
PURPOSE:To calculate a heartbeat rate and a respiration rate more surely than ever with simplified constitution without limiting the lying position, lying posture and physical feature of a person on a bed. CONSTITUTION:This device is equipped with a linear or zonal vibration detecting means 3 arranged at the prescribed position of the bed in planar shape, a signal conversion means 4 which converts the output signal of the vibration detecting means 3 into time series data, and a frequency component calculating means 5 which calculates the frequency component of the time series data collected by the signal conversion means 4. |
