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I've never owned a camcorder that picked up infrared without any modifications. |
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Grab your remote control, aim it at your camcorder
while recording, and push a button. Your see a faint
flicker. While working at Future Shop we routinely
did this to prove to clients that their remote worked
fine and just needed batteries. We did this test 2-3
times a week and always with whatever camera was
closest to us. It never failed us once, as it worked on
every camera. |
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Yep, your phone's camera will pick up the infrared of a remote, too. You'll have a little difficulty getting everything lined up, but you can really see it flare in the screen. |
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I learned about it from an article explaining the "ghosts" somebody was seeing in their photos. It isn't as popular as "orbs", but it confuses folks sometimes. (It's one of the few sciencey things I've been able to get my daughter to learn from me.) |
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Bun for idea and for knowing about it. [+] |
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//While working at Future Shop we routinely did this// - you mean "While working at Future Shop we will routinely do this" |
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Umm maybe, but I don't work there because I
am Brian the Painter now. I do however strive for
better grammar and do appreciate the help. (see
what I did there) |
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IR blocking filters are very cheap. Most DSLRs have
them built in these days, and one could easily be added to
any camera that doesn't already have one. Anyone with
the knowledge, equipment, and desire to pirate a movie in
this way would catch on pretty quickly. |
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Also, IR isn't /completely/ invisible to the human eye. In a
darkened movie theater, it's quite possible that a bright
enough infrared wash could be at least visible enough to be
annoying. |
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Won't an infra red filter lens defeat this? |
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Don't project a flat infrared screen for the length of the movie. That is too obvious, and also inefficient. |
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Instead, project something distracting intermittently, including the most important scenes of the film. |
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Now that it's something you're doing anyway, perhaps you can make it pay? Show adverts. |
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Something to note is that the loss incurred is not to the cinema where the filming takes place, but to the film rights holder. And use of this device would have to be ubiquitous for protection. Therefore it's probably necessary for usage to be required by the distribution contract. |
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Kansan101's got my back! Thanks all for your great
comments. I actually expect the best way is an
interfering pattern shone on the screen from right
in front or even from behind the screen. (they are
perforated for sound) Or just the word COPYRIGHT
in huge letters. I imagine a device worth less than
a hundred bucks could easily accomplish this. Also,
movie distributors could watermark the films with
the theaters name and location. Pirated versions
could be tracked and that theater could be
properly reprimanded. I'm sure many cam versions
are posted by employees who taped after hours. |
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/21 Quest/ Pointless maybe, clever definitely! |
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