Infrared (IR) signals are a type of electromagnetic radiation that is invisible to the human eye. Can be used for a variety of purposes such as:
Common Applications:
Remote Control Systems: Most remote systems use IR signals to communicate with devices such as TVs, air conditioners, and controllers.
Data transmission: Data transmission over short distances, such as between a device and a computer. This can be done using IR technology.
Security Systems: Some security systems use IR lights to detect intruders.
Medical Devices: IR technology is used for various applications such as thermometers and treatments.
How IR signals work:
Transmission: IR transmitters emit IR light which is usually scanned to transmit data.
Reception: The IR receiver detects modulated IR light and decodes the information.
Basic characteristics of IR signals:
Line of Sight: IR signals require a direct line of sight between the transmitter and receiver.
Limited Range: The effective IR reception distance is very short. This is usually a few meters away.
Susceptibility to Interference: IR signals can be easily blocked by blockers or other IR light sources.
Benefits of IR Transmission:
Low Cost: IR technology is very inexpensive.
Safety: Infrared radiation is non-ionizing and is generally considered safe.
Ease of Use: The IR device is simple to design and use.
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