Infrared (IR) is a type of electromagnetic radiation that has a longer wavelength than visible light. It is invisible to the human eye, but can be detected by certain electronic devices.
Infrared radiation is used in a variety of applications, including remote controls for TVs and other electronic devices, thermal imaging cameras, and night vision goggles. It is also used in some medical and industrial applications, such as blood flow measurement and temperature sensing.
One common use of infrared radiation is for file transfer between devices. Many smartphones and other portable devices have an infrared port or infrared sensor that allows them to communicate with other devices using infrared signals.
To transfer files using infrared, two devices must be placed in close proximity to each other. One device, called the sender, sends the file using infrared signals. The other device, called the receiver, receives the signals and saves the file.
In order to transfer files using infrared, both devices must be compatible with infrared technology and be able to communicate using the same protocols. Some devices may require additional software or settings in order to use infrared for file transfer.
Overall, infrared technology is a useful and convenient way to transfer files between devices. It allows users to quickly and easily share data without the need for cables or other physical connections.