IR, or infrared, communication is a common, inexpensive, and easy to use wireless communication technology. IR light is very similar to visible light, except that it has a slightlty longer wavelength. This means IR is undetectable to the human eye - perfect for wireless communication. For example, when you hit a button on your TV remote, an IR LED repeatedly turns on and off, 38,000 time a second, to transmit information (like volume or channel control) to an IR photo sensor on your TV.
CITATION STYLE
Zeuch, M. (2015). HR Communication. In Dos and Don’ts in Human Resources Management (pp. 173–174). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-43553-3_54
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