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Re: A Camera in HMD glasses

From: Marcus <>
Date: Sun, 03 Mar 2002 11:28:13 +0100

 wrote:
>>Has anyone tried ripping this apart? That'd be great to have a color HMD
>>based on the 320C.
>>
>>
> 
> Yes, it would be. I posted about this sometime ago. Just repeating: 
> The Mustek Gsmart 350 is based on the Clarity 2 chip as seen at 
> http://www.soundvisioninc.com
> 
> This chip does NOT have a composite video or VGA in. It does accept 12-bit video 
> from "VVL" CMOS camera chips. Converting from composite to this format would 
> probably require a digitizer chip such as SA7111. This is certainly beyond my 
> ability :(  Perhaps someone else out there??
> 
> The alternative is to buy the Kopin Color Video Module for US$700...<stands back 
> to avoid the rush :)>

Why not buy the Display+Backlight for 102 USD
and the Driver-chip for 50 USD from Kopin?
Add a BT829 to get the Y Cr Cb -signals from a composite-output on your SBC
(data-sheet at  http://www.conexant.com/Web/download/100132b.pdf?FileId=534)
and your set.
You can hook them up to I2C on the SBC (or simulated in parallel-port)
and have just {Y, Cr, Cb, power, gnd, I2C-clock, I2C-data} going to the
display.

Youll need to add op-amps and maybe a bit of glue-logic on the 
display-side but it should still be fairly tiny and gives you color.

I'm no expert on this but I think that would be it, wouldn't it?

> 
> Justin
> 
> 
> 
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