| 摘要 |
There is disclosed an apparatus for preventing and warning of drowning and warning others of the emergency. The apparatus includes a detecting unit for detecting the drowning of a swimmer, a floating unit for floating the swimmer under the control of the detecting unit, a transmitting unit for transmitting a warning signal under the control of the detecting unit and a receiving unit for receiving the warning signal and locating the swimmer. The detecting unit comprises a timer for determining how long the swimmer is underwater. The device can be worn by the swimmer, for example in the form of a pair of goggles.
|
