TEHRAN (ISNA)- Iranian researchers at a research center in Yazd Province, central Iran, have developed a lifeguard's rescue system for the first time in the country.
The device is made up of stethoscope and bracelet. The stethoscope or sender is installed on body and ears of swimmer. The bracelet is placed on hands of lifeguard and warns when vibrates.

A vibrating engine used for cell phones, a FSK model receiver and an IC is used to boost signals.

When a swimmer remains underwater more than time limit (45 seconds), a signal is sent to the bracelet and vibrates, makes the lifeguard aware that a swimmer is underwater.

The system can be used in all water parks, pools, sea and similar environments.

By ISNA

 

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