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The only focus is on the bad issues of this patent!

The idea is that there is an IR transmitter ( on the podium in this example) that transmits a signal to your iPhone camera, just like the IR in your TV remote. The signal says: DISABLE record button!

I hate the this would be used by concerts, governments to stop your iPhone from recording (police violence or picture of friends @ concert for example)

BUT, better use would me :
Inside Museums to add extra information to a painting in a augmented reality way.

Like a hidden QR bar code
 
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