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Thread: 660nm LOC diodes used on some dancers

  1. #101
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    Oct 2009
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    Quote Originally Posted by andyf97 View Post
    As soon as I can I will show you all, there is too much at stake to give even little snippets of info, thats why I refuse to.
    You see, that's what I fail to accept.

    You repeatedly refuse to give important, safety-related information, and thereby jeopardize audiences over the world, INNOCENT people, because you want to protect your own commercial interests.

    Volvo invented the 3-point seatbelt in the mid 70's. They decided to license the patent for free to anyone who wants to use it, because they knew it would improve the safety of the general public by miles. Today, seat belts are mandatory in most (if not all) countries.

    Especially now, when laser show systems are becoming more powerful and accessible, having new and well tested safety features is no longer a selling point -- it's becoming a must. That way, companies can prove without a doubt that the shows they were doing are safe, in case a liability claim comes up (e.g. Tomorrowland). Currently, making sure the system and the show is safe, is up to the installers and operators on site. But anyone can purchase a $500 projector capable of outputting over 500mW (or more, with 445nm), so there is no degree of control at all.

    How would you feel, getting into your Fiat which has no seat belts, because Volvo decided to keep the patent for themselves? And the guy driving a Volvo, running into you, were to cause an accident, leaving you seriously injured, and laughing at you saying "HA! You didn't have the money to buy one of our special 'safe' cars. Sucker!"

    If you get the patent application done and license it for anyone to implement, you've probably proven us wrong and we'd be happy to applaud you for it. But if you were to ask $2,5k for a gadget that makes every random show safe to audience-scan, meaning only the professional people can boast 'safety' as a part of their selling package, you're doing it wrong, because those pro's in the industry will already know how to make existing shows safe to run.

    Stupid people with 300mW DMX-controlled projectors will continue to shoot beams into the audience anyway, jeopardizing audiences in the process. THAT's the reason a system like this (if it works as you advertise) should be standard and possibly even mandatory, for lasers over class IIIa.

  2. #102
    Join Date
    Feb 2008
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    East Sussex, England
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    Stoney, I think you're missing the point.
    Just because Volvo gave away the rights, on something would later become a 'must have', doesn't mean that everyone has/is going to.

    I would hazard a guess that if Volvo had gone the licensing route, your Fiat would still have seatbelts, only Volvo would make a little bit off every one of them.

    Just because its safety related, doesn't mean people can't make money from it - and if, as you are suggesting, it'll be a 'must have' item, then surely (from a commercial aspect) you'd want to keep it locked down to ensure someone else doesn't profit from it instead.

  3. #103
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    Oct 2009
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    Quote Originally Posted by norty303 View Post
    Just because its safety related, doesn't mean people can't make money from it - and if, as you are suggesting, it'll be a 'must have' item, then surely (from a commercial aspect) you'd want to keep it locked down to ensure someone else doesn't profit from it instead.
    To a certain point, you are right.

    However, most of the people cutting corners in the safety aspect are in the low end of the market, just because they don't have the budget for proper scan-fail circuits, or even software that supports Beam Attenuation Maps. If a certain system would make these projectors 'universally' safe, we'd have a lot less idiots in the market.

    The same is going on with the pro DJ market. People who have the budget and know what they're doing, will spend thousands of dollars on proper rigging, safe power distribution boxes, dB-meters and whatnot. Hobbyists who are just starting out and 'want everything for nothing' will go on the road with plastic trussing systems that are seriously overloaded, and will ask 10% of the price of a professional.

    An audience wouldn't know the difference, just because they don't know any better. But still, a potential client would be inclined to pay $100 for a show instead of $1000, where the first one is deliberately neglecting safety (because they don't have the budget to do it properly). The only time the difference becomes noticable, is when the $100 rig comes crashing down.

    Sure, you can make a buck off a good safety system. But on the other hand, that also means you are, by omission, putting audiences in danger if someone goes on the road with a budget kit. That's why we have safety procedures in the first place -- to ensure operators know what they are doing, and if not, keep their hands off any laser system.

    That is also the reason I'm not happy with the sheer lack of operator certification in the EU. Anyone can grab a high power laser over here and shoot some Watts around. A crash course in laser/audience safety is not rocket science, and a power meter is an essential tool to do a show right. If you don't have either, just keep those beams out of the audience. Shows that go over the audience or project graphics can be just as awe-inspiring.

    However, in the heat of the moment, when the music is blasting at you at 120+ dB, you risk losing all sense of perception and throw those attenuation maps out the window. The first priority is to get the crowd cheering like wild, right? ([/sarcasm])

  4. #104
    Join Date
    Jan 2008
    Location
    Cambridge, UK
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    Almost exactly this effect was used by Bono of U2 during the 360 tour on "Ultraviolet".

    http://www.youtube.com/watch?v=9T8oTYhil-Y

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