Japan uses LED lights to build underwater communication bridge

In the past to talk in the water, the use of ultrasound to send a dialogue, but this method is expensive. Divers are generally expressed in gestures, but can only transfer the meaning of simple, but for beginners, not remember clearly, the crisis will be more confusion, communication effects.

In order to solve the problem of communication in the bottom of the water, Okinawa, Japan, researchers have developed a set of LED lights as the media system, used to transmit sound. The principle is to convert sound waves into LED lights, and then to the receiving side of the sensor, and then turn the light into sound waves. If the light is blocked, only the noise remains.

The researchers said that the initial development, the system can only be within one meter communication. However, after taking into account the volume, transmission speed, sound quality and depth of diving and other factors, and ultimately broaden the scope of application of the system.

At present, this set of underwater communication tools, even if the two divers apart from thirty meters, can still be used, but also to the depth of 30 meters underwater communication. If the electricity is sufficient, it can be used for 4 hours, the system can not only be used underwater, and underwater divers want to talk on the shore, there is no problem.

The researchers said that the current system is large, they will be committed to the development of smaller masks to facilitate the use of different industries.