Re: [microsound] forget the iPhone... i'm getting this:

[aleks vasic <bvasic@xxxxxxxxxxxxxxx>]

I think im in love with you...










Seriously, thanks for the heads up.  I still think that it is only 
inevitable that this technology be pushed even further to not depend on 
the limiting technology that we have today.


aLEKs



On Feb 14, 2007, at 4:50 PM, Damian Stewart wrote:

> aleks vasic wrote:
> > Yeah, because obviously this technology wont get pushed any further, 
> > or refined, and will stay bulky and cumbersome.  No potential 
> > whatsoever.  Its all just a gimmick.
> > On a more serious note i think you have a serious deficiency when it 
> > comes to foresight.
>
> actually, having developed and built this kind of technology myself, 
> here's the deal:
>
> it works using a phenomenon called Frustrated Total Internal 
> Reflection. You shine a lot of infrared light onto the edges of a 
> piece of glass, and the light bounces around inside the sheet of 
> glass, without any getting out. When a finger touches one side of the 
> glass, this causes light to bounce back out of the other side of the 
> glass behind where the finger pressed. Put an IR camera with in a 
> position where it can see the entire back surface of glass, and do 
> some blob tracking, and you've got yourself a multitouch interface. 
> It's pretty simple really.
>
> Problem is, you need a camera to be able to see the entire back 
> surface of the screen. Which means you need heaps of clear space 
> behind the scene.. Plus since it's rear-projection, you also need 
> enough space behind it to install a projecter. Without significantly 
> altering the laws of physics I can't see this changing too rapidly, 
> unless we figure out how to build enormous (and I mean enormous) 
> CCD's.
>
> IMO the big deal about the Jeff Han stuff is the software, not the 
> hardware. What's more, look closely at the video, too, and you'll 
> notice that, actually, the multi-touch enabled stuff is only really 
> used for zooming. Almost everything else on the video would be 
> possible with a single-touch interface.
>
> --
> Damian Stewart
> +64 27 305 4107
>
> f r e y
> live music with machines
> http://www.frey.co.nz
> http://www.myspace.com/freyed
>
>
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