Fake or not? (Matrox)

[NocturnDragon]

what do you guys think about this?
We are discuting it on the MURC forums

http://forums.matroxusers.com/showthread.php?s=&threadid=31664&perpage=40&pagenumber=1

 

[mat]

goat? it sounds really stupid

 

[MfA]

I would have bought it if it was just the screen (although the idea of a reasonably high power UV laser beam behind the glass would be kinda scary though ... better not break it). But the idea of Matrox producing a powerfull 3D graphics card is just laughable

Marco

PS. actually come to think of it, are there even efficient UV laser diodes? If not, are there infrared excited UV phosphors?

<font size=-1>[ This Message was edited by: MfA on 2002-03-07 00:06 ]</font>

 

[Nappe1]

It is definately a fake. :smile:
I have a no doubt about that.

EDIT: but in that thread is some interesting replies if you know ppl backgrounds.



<font size=-1>[ This Message was edited by: Nappe1 on 2002-03-07 00:21 ]</font>

 

[LittlePenny]

On 2002-03-06 23:35, MfA wrote:
I would have bought it if it was just the screen (although the idea of a reasonably high power UV laser beam behind the glass would be kinda scary though ... better not break it). But the idea of Matrox producing a powerfull 3D graphics card is just laughable :smile:

Am I the only one who thinks this is hilarious?

 

[Hyp-X]

No you are not.

 

[MfA]

The idea of the screen intrigues me ... I wonder if it would indeed be possible, to use a micro-mirror and drum to scan a modulated laser beam across phosphors on a glass screen? Would it indeed be cheap?

You could use UV laser light, but even if strong enough UV laser diode's were available would the phosphors diffuse any remaining UV radiation enough to not make it a health risk?

If UV laser diodes arent there/cost-effective/safe the only alternative I see are anti-stokes phosphors, either infrared excited RGB phosphors (looked around a bit, seems impossible) or visible light excited UV phosphor with a filter behind it to filter out the visible spectrum after which you have UV excited RGB phosphors again (looked around, doubt this is possible either, certainly not with IR excitation as I stupidly said earlier).

Would the assembly needed for the targetting be buildable at low cost? (probably yes)

Lot of questions, no answers ... any photo-luminescence/laser-assembly experts in the house?

Marco

PS. it reminded me of Photoluminescent LCD's which were all over the news a while ago, thats why I thought it should be possible like this ... not in such a short timeframe from Matrox though.

<font size=-1>[ This Message was edited by: MfA on 2002-03-07 02:54 ]</font>

 

[SirPauly]

Only time will tell

<font size=-1>[ This Message was edited by: SirPauly on 2002-03-07 03:01 ]</font>

 

[MfA]

No the guy just has an account there

 

[pascal]

Telia is a large mobile telecom company.
They have labs in Brazil too.

 

[SirPauly]

Thanks MFA, I didn't know that and edited my post.

 

[3dcgi]

I'm shocked anybody bought this even for a moment. Specs aside it is obvious this was not written as anything more than email like commentary. I was entertaining to read the paper and thread though.

 

[MfA]

Hmmm my assumption that you would need phosphors or suffer lots of flicker might not be entirely well founded :/

 

[Typedef Enum]

Come on guys...

GOAT? I mean...Sure, there are some very odd acronyms used...

But if the whole head-casting thing wasn't bad enough (I still laugh my ass of thinking about it), I think GOAT would pretty much be the nail in the coffin...

 

[muted]

well lurking the MURC forums i found this interesting link

http://www.anandtech.com/showdoc.html?i=1593&amp;p=3

and something about DLP projectors

http://forums.matroxusers.com/showthread.php?s=&amp;threadid=31664&amp;perpage=15&amp;pagenumber=4

it's still interesting , there are a lot of people still that just pretend to know a lot just to stir the whole rumor mill

 

[mboeller]

Seems someone bundled all he wants to see / have into one nice fake PDF.

 

[MfA]

Of course you dont need mechanical scanning for DLP projectors ... you could use a rear projection scanned laser display like Silicon Light Machines, but AFAICS blue laser diode's are still bloody expensive (high resolution 2D micro-mirror-array's like you would need for a DLP are too BTW).

Marco

<font size=-1>[ This Message was edited by: MfA on 2002-03-07 11:57 ]</font>

 

[PrzemKo]

Marco, your concerns abut UV radiation are a bit overblown. First of all, UV won't pass through a plain glass (that's why you won't tan behind a window). Second thing is, that current CRT monitors are radiating something quite a bit more dangerous than UV: X-rays. I guess they are procuced in similar fashion as in medical X-ray machine: by beam of electrons hitting the metal (monitor's mask). Just remove the cover from some 21-inch CRT monitor and read the labels on the tube.

<font size=-1>[ This Message was edited by: PrzemKo on 2002-03-07 12:32 ]</font>

 

[MfA]

I wasnt worried about it being UV, I was worried about a collimated beam leaking out even when attenuated (the only good way to block it is to put a plate in front, otherwise it just filters A beam of X-ray's can not destroy your retina in quite the same way as a laser of the same power.

Anyway, I guess as soon as blue laser diodes of reasonable power get cheap/durable something like this would be possible ... or alternatively with UV-VCSEL's and phosphors.

Marco

<font size=-1>[ This Message was edited by: MfA on 2002-03-07 14:04 ]</font>

 

[Roger Kohli]

OT

"First of all, UV won't pass through a plain glass (that's why you won't tan behind a window)"

I've heard this before, but if its true then how do plants grow in a greenhouse? They need UV for photosynthesis.