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In 2002 I stayed in a hotel where the TV turned on whenever I turned on the bathroom lights.

The TV was angled so that its IR sensor was aimed towards the bathroom door. I always assumed that it was just interference from the bathroom lights starting up just happening to make the same IR pattern as the ON button on the remote.

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I think it's unlikely the lights happened to send the right IR pattern.

I once hooked a TV remote up to a logic analyser to have a look and here's how the on/off signal looked for this brand: http://olivernash.org/2010/01/03/the-telly-terminator/rc6-6-...

Some further details here: http://olivernash.org/2010/01/03/the-telly-terminator/

Of course it's still possible!

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