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Life buoy Rescue whistle / whistle

Life buoy Rescue whistle

When ship wrecks, the communication equipment will fail after power outages ,the people on board can not be issued a distress signal at the wreck. And the emission signal method only firing flares,the method is single. 
Another way is to put a rescue whistle in the life buoy.In addition to the basic function of a whistle,“Life buoy + rescue whistle” also install a ultrasonic signal device in the whistle.
Usually,people is very weak after drowning and they don’t need spend more power to blew his whistle.The rescue boat and helicopter could detect the ultrasonic to find the peple.


Nanchang University

Nanchang University
NanChang, China

Weitong Sun,
Nanchang university

Jingjing Zhao,
Nanchang university

Heqi Zhao,
Nanchang university

Yu'an Shu,
Nanchang university

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