Japan develops underwater visible light communication device with LED to achieve 50Mbps communication speed

Japan's Taiyo Yuden and Toyo Electric jointly developed a device for high-speed wireless communication using visible light underwater. A universal blue LED with a low attenuation rate in water achieves a communication speed of up to 50 Mbit/s under water.

Under water, since the attenuation rate of electromagnetic waves is very high, it is difficult to perform radio communication using radio waves. Therefore, although there is low-speed wireless communication using sound waves and visible light, there is no high-speed communication method capable of transmitting a large amount of data such as video.

When Taiyo Electric and Toyo Electric verified the device, they cooperated with the Japan Broadcasting Association (NHK) to conduct underwater tests in the swimming pool. In the future, we will promote development for a variety of applications while achieving miniaturization and weight reduction.

Battery Connection Cable

A battery connection cable are the type of wire used to connect a battery to an electronic device. The are usually made of conductive material, such as copper or aluminum, and has a pair of connectors that connect one end to the positive end of the battery and the other end to the negative end of the battery.

The main function of the battery connection cable are to transmit current and electrical energy. They direct the current from the positive end of the battery through the positive connector, and then transmits it to the electronic device through the cable. At the same time, the negative connector directs the current from the electronic device back to the negative end of the battery, forming a circuit closure.

Battery connection cables are usually of a certain length and flexibility in order to provide a flexible connection between the electronic device and the battery. It may also have a protective housing to protect the cable from damage or wear.

When choosing a battery connection cable, you need to consider factors such as current transmission requirements, battery and device connector types, and cable length and material. Proper selection and use of battery connection cables can ensure a reliable connection and power transfer between the battery and the device.

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