| 摘要 |
A motion monitor which detects respiration and/or cardiac activity of a human, particularly a sleeping human, has a mattress, for example, an air mattress, for supporting a sleeping human. The mattress has an interior cavity isolated from and at a pressure equal to or greater than ambient atmospheric pressure. A pressure transducer is connected with the interior cavity of the mattress and generates a signal representative of the pressure in the interior cavity. An indication unit is connected to the pressure transducer and presents a signal based on the output of the pressure transducer. This sleep monitor is useful for infants, particularly infants at risk for sudden infant death syndrome (SIDS). |
