How does a Universal Remote Control Work?

Answer

Infrared radio signals are how your remote communicates with the television. This signal is through the red LED bulb on your remote which gives off infrared pulses. Pressing buttons on your remote sends these signals to your television which enables you to input codes to program your unique models.
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Most remote controls work using infrared signals, invisible to the naked eye, which are beamed from the remote to the television set. The signals contain pulses which the TV receives
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1 Additional Answer
Ask.com Answer for: how does a universal remote control work
How Does a Universal Remote Control Work?
A universal remote control can be easily programmed to simultaneously operate different types of electronics devices, from TVs to stereos to DVD players without regard to the model or brand. These remotes look like and have similar button layouts to... More »
Difficulty: Easy
Source: www.ehow.com
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