| 摘要 |
<p>The safety device has a float portion (2) that is worn by person (1), and provided with gas-tight inflatable gas chamber. The gas chamber is connected to gas source that is connected to control unit for activation of gas chamber. A sensor (6) is fastened in attachable tape (8) in ankle region of the person. The sensor connected to control unit is driven for detection of water and/or hydrostatic pressure.</p> |
