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Displays

Matchbox-sized Laser Projector 291

Posted by CmdrTaco from the why-am-i-struggling-to-believe-this-one dept.
soupisgoodfood writes "Light Blue Optics Ltd. have developed a laser-based projector called the PVPro. It's small enough to fit into a cellphone or PDA. Some specs: Supports resolutions up to 2048x1280; No moving parts; Infinite focus; Green monochrome, with a colour version expected late 2006; Max consumption of 1.4W with an average of <350mW. Looks a like a good solution to the increasing problem of smaller devices trying to display more information."
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Matchbox-sized Laser Projector More

Matchbox-sized Laser Projector

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  • Missing spec (Score:5, Insightful)

    by jthayden ( 811997 ) on Wednesday February 15, 2006 @09:50AM (#14724164)
    Price?

    • Re:Missing spec (Score:5, Funny)

      by JRGhaddar ( 448765 ) on Wednesday February 15, 2006 @09:57AM (#14724218)
      Actually I was wondering if it could project a holographic Princess Leia?

    • Re:Missing spec (Score:5, Funny)

      by lbrandy ( 923907 ) on Wednesday February 15, 2006 @10:31AM (#14724526)
      Price?

      The lasers run about 10k$, but the sharks are alot more expensive

    • Re:Missing spec (Score:3, Insightful)

      by famebait ( 450028 )
      Never mind the price, can we actually see it project something?

      I've been waiting for laser projectors arrive for a good while now; it's sort of obvious that it's got to be the solution at some point, and this heading made me jump in my seat. But as long as they can't even show a picture of it working, I'm still not holding my breath.

      For something as obviously a far from ready for commercialisation as this, noone could know the price of a consumer-ready unit yet.

      That said, using holography to direct the bea
  • Q: Now, Mr. Bond. For your mission, we have this keychain-sized laser projector that serves as a stun grenade when the red button is held.

    M: Hey, that sounds cool. Why don't you take out the explosive and send one over to my office? Pip pip, cheerio.

  • Miniature Office Supplies (Score:3, Funny)

    by LiquidCoooled ( 634315 ) on Wednesday February 15, 2006 @09:51AM (#14724177) Homepage Journal
    Now we have the mini projector, I want a mini red stapler.

    and you know what, when it arrives - its mine not yours.
  • So now when we're blinding pilots with our ground-based lasers, the passengers can read my annoying cellphone text messages while plummeting to the earth...

    Yet another way I'm sure I will come to hate cellphones...

    • Well, you wouldn't plummet to earth if you had turned off your cell phone like you are supposed to....

  • Computer (Score:5, Interesting)

    by everphilski ( 877346 ) on Wednesday February 15, 2006 @09:56AM (#14724211) Journal
    Once these come out in color, imagine having one of these babies inside your laptop. You can then set your laptop on any work surface 2-10' from a wall and have a big screen monitor. If we want to get fancy even we can slap some gyros and accelerometers into the computer and you can have the computer on your lap, and provided you don't wiggle too much ( no pr0n ) you could probably work fairly well from a sofa as well, the software would adjust the image and angle of the projector using servos, etc. Very cool.

    • Re:Computer (Score:4, Interesting)

      by AKAImBatman ( 238306 ) <<moc.liamg> <ta> <namtabmiaka>> on Wednesday February 15, 2006 @10:20AM (#14724424) Homepage Journal
      Once these come out in color, imagine having one of these babies inside your laptop.

      I have a better idea. Imagine a portable LaserMAME [nightlase.com.au] console. You could project classic Asteroids or Gravitar games onto walls! OR, they could use it to bring back the Vectrex [wikipedia.org] in all its "portable" glory! (Perhaps even Game Boy sized?) :)

      • Re:Computer (Score:5, Funny)

        by 0110011001110101 ( 881374 ) on Wednesday February 15, 2006 @11:00AM (#14724765) Journal
        I have an even better idea. Use this to project a fake doorway onto walls and watch your victims slam into walls, ala Bugs Bunny.

        Hours of fun in my book, much more so than Asteroids or Gravitar. It's funny when it's not you.

        • Roadrunner is more like it (Score:4, Informative)

          by MisterSquid ( 231834 ) on Wednesday February 15, 2006 @12:59PM (#14725785)

          Use this to project a fake doorway onto walls and watch your victims slam into walls, ala Bugs Bunny.

          Bugs Bunny cartoons do not feature advanced technology whereas Roadrunner cartoons do. So what really would happen is that you would project a fake doorway onto the wall, your intended victim would walk up to the wall, open the door, walk through the doorway and close the door behind. Astounded, you'd run to the door only to slam into the brick wall, a la Wile E. Coyote.

    • Combine this with a virtual keyboard (Score:5, Interesting)

      by PIPBoy3000 ( 619296 ) on Wednesday February 15, 2006 @10:42AM (#14724613)
      They also have a virtual keyboard [virtualdevices.net] for sale. Imagine setting your cell phone on a table, pushing a button, and getting an instant monitor and keyboard. No one will need PCs for surfing the web and common functionality. Give it ten years or so to become widespread.

    • Re:Computer (Score:2, Interesting)

      by ardle ( 523599 )
      Not sure how well one of these would do 10 feet from the wall: the specs are here (pdf) [lightblueoptics.com], I don't get them.

      Can't copy-n-paste from the PDF but the figures I read included the following: Video-style images, typical image diagonal and brightness, for a 16:9 aspect ratio image: 15" @ 200 candles/m squared (equivalent brightness to typical laptop screen).

      They have a "full brightness" figure but this seems to be less bright than the "laptop" value! Can anyone explain?
    • This may kill off the LCD/plasma sets. This is low energy, very small size. The companies that have invested billions in trying to build large tv sets are about to be screwed big. Even if this costs $600 -$1000, this will sell for home sets.

  • color ? (Score:4, Interesting)

    by Arthur B. ( 806360 ) on Wednesday February 15, 2006 @09:56AM (#14724212)
    Well, that's easy for the green and red part, the blue laser is other business.. they don't come cheap nor small.
    • Hopefully the proliferation of BluRay / HD-DVD drives will bring blue lasers' size and prices down.

      • Re:color ? (Score:4, Insightful)

        by Arthur B. ( 806360 ) on Wednesday February 15, 2006 @10:15AM (#14724381)
        Naa, it's blue-violet... use it and you'll get some shity colors. For some reason, the human eye perceives some red in the violet (the sensitivity function of the red detecting cells is bimodal with a small bump in the violet)... so as long as there is some red in your image you could compensate it by lowering the amount of red but you won't get true-blue. Oh well, maybe not that much of a problem, after all, the brain perception of color is relative to the context rather than absolute, so in a dark room this would give good results, but not in a lighted environment with color references.
    • Well, that's easy for the green and red part, the blue laser is other business.. they don't come cheap nor small.

      Yet another reason for Slashdot to hate Sony and Blu-Ray!

    • I don't see why you can't get small blue lasers, as I'm guessing Blu-ray will be using them. But yeah, they don't come cheap, and I think there's also the lifespan issues. Maybe they're expecting a better blue laser to come out later in the year.

      • Re:color ? (Score:3, Informative)

        by cbreaker ( 561297 )
        The lasers in Blu-Ray players will likely be very small, very precise devices that would not translate directly into a laser projector system like this.
  • Having a projector that size would make it so much easier to view all your converted, downloaded, mega-shrinked videos on the back of the student in front of you.

    • Re: Screens have rights, too ;-) (Score:4, Funny)

      by D4C5CE ( 578304 ) on Wednesday February 15, 2006 @10:51AM (#14724692)
      Having a projector that size would make it so much easier to view all your converted, downloaded, mega-shrinked videos on the back of the student in front of you.
      Just be sure to limit the brightness and keep the image moving to prevent burn-in on that poor guy... for most self-respecting technology companies (outside Redmond at least, but maybe even they run Linux in private) probably wouldn't want to recruit anyone with a Windows desktop and Start bar tattooed on his back! ;-/ What is more, nobody likes to hear yells of "Alt-F4" on the beach or [censored] anywhere else...
  • imagine if you could image the surface it's projecting on, likely take two imagers,
    then you project based on the 3-d specs of the head..

    why? remember how annoying laser pointers are? imagine getting mannequins to wink at people at macys...

    or put your head on one.....

  • News From The Past:Similar Projector in Full Color (Score:5, Informative)

    by Anonymous Coward on Wednesday February 15, 2006 @09:58AM (#14724226)
    The Fraunhofer Institute for Photonic Microsystems in Dresden, Germany actually had a similar Projector one year ago.
    It works at 640x480 in Full Color (3*8 bit).

    It's even smaller at the size of "2 sugar cubes".

    See here for yourself [ipms.fhg.de]

  • Did anyone else notice this? (Score:5, Funny)

    by maxwell demon ( 590494 ) on Wednesday February 15, 2006 @09:58AM (#14724232) Journal
    From the summary:
    Light Blue Optics Ltd. have developed [...] Some specs: [...] Green monochrome [...]

    If they make a monochrome projector, I'd at least expect a light blue one! :-)

  • pictures in use? (Score:3, Insightful)

    by Deathlizard ( 115856 ) on Wednesday February 15, 2006 @09:58AM (#14724235) Homepage Journal
    Has anyone seen a picture of the projector in use?

    Definetly has me interested, Especially a color model. If they can replace all of our LCD based projectors with a laser one thats absoletly quiet and virtually maintience free for not much more than an current LCD/DLP projector, then they definetly got my attention.

  • Action shot? (Score:4, Insightful)

    by Winterblink ( 575267 ) on Wednesday February 15, 2006 @09:59AM (#14724243) Homepage
    Ok, so there's pictures of it sitting next to a penny, and in the hands of some dude. How about a picture of it projecting something?

    • Re:Action shot? (Score:5, Informative)

      by PatrickThomson ( 712694 ) on Wednesday February 15, 2006 @10:05AM (#14724292)
      That's actually a 2p coin, it's about 2.5cm in diameter.
    • I think it's reasonable to assume that it's too dim to just point-and-shoot a picture. That can still be plenty enough if you can get a really dark room.
      • It's also reasonable to assume that someone working there has a digital camera that allows you to defeat the flash, and control the exposure for shots in darkened environments. :)
        • Unless they have it hooked into bluetooth or similar (but it's a green laser).

          Neither the article picture nor the one on the web site have the little plastic box attached to anything... Not much room for a battery. No FM tuner.

          Lame.

    • Because, at a disipation of 1.4W max, you'd probably have to do be in a dark room to see the projected image.
      This is going to be faint and low contrast.
      Think penlight power.
      Most standard "conference room" style projectors are several hundred watts.
      • The reason for that is that they use an emitting source which is blocked and filtered by the imaging element. The amount of light that actually escapes the projector isn't all that much. This would still be dimmer than your average conference room projector, but it might be on par with the current generation of less than 3 pound portables.
  • A portable version of the Phantom that ships with multiplayer Duke Nukem Forever.
    I didn't read the article, but I did check out the company's website. It reminds me of all the other young, upstart 'labs.' The only real red flag on this is that whole, infinite focus deal. It's going to get blurry after a few hundred feet...

    Hmm... I'm sure there's more vaporware I could mention. Wasn't there some "mircle chip laptop" or something that ran at 6GHz and had fusion as a powersource?

  • About time! (Score:5, Insightful)

    by bangzilla ( 534214 ) on Wednesday February 15, 2006 @10:00AM (#14724250) Journal
    I hate getting ripped off by projector manufacturers who charge me in the hundreds of dollars for projector bulbs that (a) cost a fraction to make and (b) burn out in much less time than advertised. Sure, this built-in to a cell phone could be fun/useful, however my immediate need is a projector for my laptop that is small, robust, doesn't consume *very* expensive bulbs, full color and high resolution. This device may not be there just yet -- but it appears to be within spitting distance. If this company can't get there -- someone else will. All this I applaud.
    • I built my own projector, and the bulbs are only $40. Plus they last about 10,000 hours. Granted, the projector is about as small as an end table. And it's not as bright as what's on the market today. But I still love it.

    • As an ad-hoc projector which can be built-in, I'd gladly sacrifice the colour. For big presentations, the big projector can be used.

      False-colour, like red and green would be ok too. I think you could get a much more reasonable amber from that.

    • Re:About time! (Score:5, Informative)

      by spinozaq ( 409589 ) on Wednesday February 15, 2006 @10:20AM (#14724420)
      Mecury arc lamps have much _lower_ profit margins then other consumer electronic parts. So do projectors in general. The lamps have very exotic materials in them, like very very pure tungsten and specially manufactured quartz casings. You're not getting ripped off. The prices would come down some if more projectors were out there in people's living rooms, but not by much. If there were really a racket on mecury arc lamps, we could do something about it. Hopefully laser tech will eliminate the need for these expensive ( and very polluting, in manufacture and waste ) mecury arc lamps.

      • light sources (Score:3, Interesting)

        by kent_eh ( 543303 )
        The lamps have very exotic materials in them, like very very pure tungsten and specially manufactured quartz casings.

        So, then, do they have to use such high-priced [buylighting.com] light sources? The lamps for old-school overhead projectors or slide projectors are well under $50 [buylighting.com].

        Is there some inherent requirement in projecting a digital image that requires so much more lamp, versus projecting a film/transparency/analog source?

        • if you don't mind your "white" being old-school-projector-piss-yellow a cheap projector bulb will do just fine

          if you don't mind only using it in the dark a cheaper white bulb will also work

          they are hard to make because they are both very high output and carefully balanced.

        • Re:light sources (Score:4, Insightful)

          by spinozaq ( 409589 ) on Wednesday February 15, 2006 @12:14PM (#14725398)
          Old school projector bulbs do get bright enough do use with modern projectors. There are still two problems with them though. First, the light is not white at all, it tends a lot toward yellow, which is unacceptable for a color projection. Second, to deliver that much light, they draw anywhere from 600-900 watts. That hurts in two ways, heat, which puts a strain on size and cooling methods. People don't want that much noise in their living room. It also cuts into the only advantage, which is cost. 600 watts vs 200 watts will cost an extra $180 in electricity over 3000 hours at .15 cents per KiloWatt Hour. So there really is no advantage at all. They are the best technology for the purpose. Don't you think if there was something better in an up and comming market like this someone would be selling it? The world is not out to get you.

    • Re:About time! (Score:3, Interesting)

      by greg_barton ( 5551 ) *
      I'm waiting for something like this [mitsubishi...ations.com] to go 1024x768, then I'll probably get one. LED lamp. No heat, long life. Not terribly bright, though.
      • You mean, like the Infocus LP120? [infocus.com]

        At 2" x 3.6" x 9.75" and less than two pounds, it's the most portable 1024x768 native XGA projector I've ever used. Sorry it's a regular lamp, and the 1000 Lumens isn't the brightest in a well lit room, but the only thing holding it back from being a multimedia powerhouse is the lack of Component video inputs. But for that I'd recommend the LP640 with component adapter. It does native 1080i at 2000 lumens.

  • Not very bright (Score:3, Informative)

    by hcdejong ( 561314 ) <.hobbes. .at. .xmsnet.nl.> on Wednesday February 15, 2006 @10:01AM (#14724262)
    From the PDF:
    Typical Diagonal Image & Brightness: 7" @ 800 cd/m^2 - 15" @ 200cd/m^2 (50% max average pixel amplitude)
    What good is all that resolution when you can't get the viewing area above 15" without going to a dark room?

    Not that it's not a brilliant (hah!) achievement, anyway. Bring on the fanless projectors!

  • Why mobile? (Score:3, Interesting)

    by RingDev ( 879105 ) on Wednesday February 15, 2006 @10:02AM (#14724269) Homepage Journal
    I have a 48" projection TV and a 21" CRT monitor, running both at the same time sucks massive amounts of power. Replacing them both with a laser projection system that takes less then a watt and a half to run would be fine by me!

    -Rick

    • Re:Why mobile? (Score:3, Interesting)

      by jfengel ( 409917 )
      I think that by the time you spread that 1.5 watt image over a 48" diagonal, you'd better have the room pretty dark if you want to see it.

      They give figures for a 15" screen; a 48" image is going to require 9 times as much power. I'm sure you'd be content with 13 watts, too, compared to the vast amounts of juice your 48" projector puts out.
  • Supports resolutions up to 2048x1280; No moving parts; Infinite focus; Green monochrome, with a colour version expected late 2006...

    Hey! I remember that. The computer lab's Apple IIes had those (though admittedly, not 2048x1280). I wonder if you can play Oregon trail or lemonade stand on this thing...

    • if "slow phosphur" effect can be configured we can do a wicked cool IBM 3270 emulation with one of these, I just need a 4 foot wide RPG-II spacing template and I'm bleeding edge, baby!
  • To display the image they use diffraction, that means that they place a mask in front of the laser which is the fourrier transform of the image they want to display...
  • Small enough to fit in a cell phone?? Did you see the image from tfa? [audioholics.com] It may be small but it's about the size of a small cell phone - where's the actual phone electronics gonna go???

    It might be a cool as a PDA sled though so that you don't have to have the bulk all of the time.
    • So what you're saying is they'll need to remove the casing and shrink the electronics by like 15% to fit it in a cellphone. I'd guess they employ at least one engineer...
  • until someone gets their eye put out by Junior's laser-based micro projector.

  • Sweet (Score:5, Insightful)

    by Pxtl ( 151020 ) on Wednesday February 15, 2006 @10:08AM (#14724319) Homepage
    No moving parts is neat - the galvanometers they use for laser-light shows are a colossal PITA.

    I'm expecting to see game consoles that don't need a TV anymore - would be super-portable.

    Now, the question is when we can couple this with pupil-tracking to draw the images directly onto the retina. I want my metaverse.
  • Warning! Don't look directly at projector when giving a presentation!

    Given our current litigeous society I wonder if they'll be able to sell it.

  • Evil!

    Now we can strap lasers to guppies heads as well....

  • Heads Up Displays? (Score:5, Funny)

    by Iphtashu Fitz ( 263795 ) on Wednesday February 15, 2006 @10:17AM (#14724393)
    Is this the sort of thing that could be used in HUD's in cars? Or what about high-resolution wearable displays? It's probalby now just a matter of time before you see people walking around with their video ipods completely oblivious to everything going on around them (as if they're not now) as they watch porn on the subway while going to/from work.
  • Let's see, drop the output power by a factor of 20 or so, and project the image on the inside of my glasses...

    Yep, that ought to do it!
  • Though this [roeder-johnson.com] press release is like 4 years old.

    I would like a cellphone with a built in projector screen, projection keyboard, wifi, that runs on a fuel cell.

    I think that would _complete_ me.
  • I find it interesting that Googling Light Blue Optics yields not one picture of this device in action. They have a photoshopped mock-up image showing a full-color display that's misleading at best, but that's it. It's nice that it's the size of a matchbox, but if you can't take a single picture of it in action, what's the use.
  • I want this thing in color!

    RGB baby.

    Oh, and yes I know it is more complicated than that.
  • That's just great! Not only will our cinemas be infested by annoying ringtones and loud talkers, but now we'll get pictures of Justin Timberlake projected all over the screen, on the walls and the ceiling.

    And I used to think innovation was a good thing...
  • They want to be picked up by Apple for use in their next gen v-pod?
  • Tiny projector now to be included in the Phantom Console!

  • Yeah really, no pictures? (Score:5, Insightful)

    by TheSkepticalOptimist ( 898384 ) on Wednesday February 15, 2006 @10:39AM (#14724595)
    Some news stories don't need them, but anytime a press release comes out about some new visual technology (eInk, laser projectors, etc), I get annoyed that they can't show the technology being demonstrated. Sounds more like vaporware and a company trying to get investors excited to dump millions into them before finding out the technology isn't feasible and walk away with those millions leaving the company bankrupt.

    Rant aside, if this technology DOES exist, it is very cool. Integrating a projector into mobile devices or notebooks is great, but considering the resolution, it would a great Home Theater projector as well. Laser light remains strong and bright over long distances, so in theory, you should be able to get big screens in the home without worrying about dimming the image.

    The only thing I worry about is that while having a high resolution, laser is such a highly focused light that will these "pixels" be too separated to offer a decent image? Even at 2000+ points across, if those points are spread out too far apart, then you won't get a decent projected image. Chances are, mobile applications where you can shine the image a few inches or feet away is probably all that laser projectors are good for. Throwing the image across 20 feet, while still bright, might separate the pixels too much and make for a poor image.

    So far, it looks like this company is just looking for investors, and as such, I would consider this vaporware. They are definitely looking to bank off the success of iPod video devices as well as the current fad of displaying television on Cell phones.
    • Hi there I work for LBO and I can confirm that the projector really does work and is currently being shown to interested parties at 3GSM in Barcelona. We will also be demonstrating the projector in action at the big displays conference and exhibition in San Francisco in June (http://www.sid.org/conf/sid2006/sid2006.html [sid.org]). Look forward to seeing you there. ;-)

    • Re:Yeah really, no pictures? (Score:4, Interesting)

      by Rich0 ( 548339 ) on Wednesday February 15, 2006 @12:35PM (#14725589) Homepage
      I doubt it is pulsed - the laser is probably on continuously at variable amplitude. So, the pixels will just blur into each other. This is how a regular TV works as far as I understand. If you look at a TV you see lots of dots, but the reality is that the bandwidth on a standard TV is not sufficient to go from black to full RGB in one pixel - which is why small-fonts on TVs look horrible (it is also why analog TV is described in terms of lines of resolution and not columns - only the lines are discrete). A computer monitor is more expensive than a TV because it actually achives high bandwidth and consequently truly high resolution.

      My guess is that with the laser projector each pixel will really be a horizontal dash. The only place you might get separation would be in the vertical direction, but you get that even with normal TVs and it isn't very noticable. If you fired it against a screen that would scatter the light somewhat then it might help in this regard.

  • What is "infinite focus"? (Score:3, Interesting)

    by hubie ( 108345 ) on Wednesday February 15, 2006 @10:43AM (#14724625)
    Infinite focus to me sounds like a collimator. Does this mean that you need another lens somewhere to form the image?
  • Just the thing for my Apple //c

  • What about the "sparkle" or "dazzle" effect? (Score:3, Interesting)

    by Goldenhawk ( 242867 ) on Wednesday February 15, 2006 @11:23AM (#14724959) Homepage
    If this device uses a laser to project its image, it makes me concerned about the dazzle or sparkle you see when looking at a truly monochromatic, coherent point of light. Shine a laser pointer at the wall, and it looks like the dot sparkles. I believe this is a function of the coherency of the light plus the way our eyes perceive the light.

    I have a hard time imagining watching an entire wall full of sparkle effect across the entire picture. Do they somehow make the light non-coherent, so your eye doesn't have this problem?
    • It's called "laser speckle". It shows up when a coherent beam is held fairly stationary on an irregular surface. I imagine that if the beam is scanning fast, it won't be much of a problem because the specks will be too brief for your eye to see. POV will take care of the problem. But, of course, I haven't actually tried this myself.

  • How does this box work? (Score:3, Insightful)

    by Thagg ( 9904 ) <thadbeier@gmail.com> on Wednesday February 15, 2006 @11:26AM (#14724989) Journal
    I can find little information on the companies website. They claim that it has "no moving parts", and that it uses "Computer Generated Holograms" and that it uses some kind of micropixel display.

    They say that because they can focus the laser so well, the computer generated hologram can be very small.

    They say that the system works by "steering light" instead of blocking it (an LCD array blocks light to modulate it).

    Anyway, none of this tells me very much. Are they using a piezoelectric mirror to scan a laser across a hologram, that bends the light to scan the image? Are they using a 1D mirror or LED array and then scanning that with a piezoelectric mirror/hologram? I assume that a piezoelectric mirror moves so little and so robustly that it's not considered a "moving part".

    What is the particular brand of magic that these people are using?

    Thad Beier

  • Dang laws of science again! Article BS (Score:3, Insightful)

    by Ancient_Hacker ( 751168 ) on Wednesday February 15, 2006 @11:38AM (#14725090)
    "It uses 350 mw."

    Three Hundred Fifty Milliwatts is 0.35 of one Watt. Most lasers are under 50% efficient. The deflection and modulation and optics are unlikely to be more than 50% efficient.

    So imagine spreading 0.090 watts of light over a screen-sized area. Pretty dang dim! Like you'll need dark adapted eyes to even see the picture.

    Still a neat device, but you're not going to run your own Drive-in movie theater with it.

  • I don't know why I thought of this (I can assure you that if I hadn't, someone else will,) but this could be shifted to make Portable Outdoor Projector. Program a cellphone to automatically accept/answer a call/image from a certain number, and attach it and one of these thingers to a remote-controlled car (either by Duct Tape or actually affixing it, depending on how quick you want to throw this together.) Then you can drive it around a convention center or park, and have it throw an advertisement for your

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