Re: PHOTO-3D digest 2250

[P3D <ronald-beck@xxxxxx>]

photo-3d@xxxxxxxxxxxxxxxxxxxxxxxx said:
> >Good point, I'd forgotten about DMM.  This is important because this 
> >technology will probably replace commercial film projectors.  

> ******  All I've read about this method is what's been discussed here 
> in P3D. I didn't see anything in what was described that could 
> possibly be used for commercial film projecting. How is that 
> possible? Wouldn't they melt down in the intense light and heat? 

>From what I've read and what I've seen regarding projection, light is 
projected onto the mirror chip.  Each mirror reflects the light either 
through the lens (pixel on) or away from the lens (pixel off).  The 
original prototype had a single chip (~50K mirrors) and a color wheel.  
All was synchronized to project the proper pixel colors at the proper time.

The other prototype (mockup maybe?) was a three chip unit, one chip for 
each color, thus removing the need for a color wheel.  I have heard that 
they have had some alignment problems with this configuration, however, I 
can't verify this rumor.

The theory behind commercial film projector replacement is that the DMM 
projector would be linked to the studio via fiber optics.  The movie would 
be downloaded to the theater & projected for the audience.  No need for 
film or delivery.  Probably would save a few bucks here & there.

I wish I could supply more info or make some brochures available, however, 
with the chages that have been going on lately, I don't know what's 
available anymore.  For the uninformed, our division (TI-Defense) was sold 
to Raytheon and we (as in my support group) are in the process of 
segregating ourselves from TI.  That means consolidating people & 
equipment.  And, one of the areas we're moving people into was previously 
the DMM display area, with a wide variety of DMM projectors & rear screen 
TVs.  It even had one of the new DVD players which looked absolutely 
wonderful!  

Regards,
Ron


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End of PHOTO-3D Digest 2251
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