[Wear-Hard] Interesting prices for some of the newer "glasses" style HMD's

[Roger Gonzalez]

I'd bet on signal strength/quality.  The TV might be less finicky about 
getting a clean sync.  Poor grounding could definitely be a culprit.

Borrow an oscilloscope.  I bet the problem will become quite obvious.

-rg

john McDonald wrote:
> 
> Hi Greg,
> 
> Congratulation for giving me the right idea.  You said I try,
> 
> Can you pass your pong device INTO a vcr or something like that that
> and then to the ARGO?  Does it work then?
> 
> I did try it and it worked fine.  What would this means please?
> 
> By inverting the signal, do you mean that I send the signal into an 
> inverter?, or just reverse the polarity when it is connected to the ARGO 
> AV in?
> 
> Thanks,
> 
> John.
> 
> 
> 
> On Thu, Mar 27, 2008 at 2:50 PM, Greg Priest-Dorman 
> <priestdo at cs.vassar.edu <mailto:priestdo at cs.vassar.edu>> wrote:
> 
>     So, if I understand you:
> 
>     Comercial NTSC Source -> dirves TV
>     Comercial NTSC Source -> dirves ARGO
> 
>     Home built NTSC Source (pong) -> drives TV
>     Home built NTSC Source (pong) -> does not drive ARGO
> 
>     So, perhaps there is some redundency between the Comercial NTSC source
>     and the TV that is missing on your PONG source and your ARGO.
> 
>     I am not an NTSC person, but the first thing that comes to mind is
>     Ground
> 
>     Alternatively, NTSC a 2 connector (gnd and signal) plug, right?  Could
>     it be reversed on your device?  Perhaps the TV can deal with that and
>     the ARGO can't?
> 
>     What about signal strength?  Perhaps the TV can deal with a weak
>     signal that the ARGO cannot.  (or an inverted one - reversed )
> 
>     Can you pass your pong device INTO a vcr or something like that that
>     and then to the ARGO?  Does it work then?
> 
>     Does this suggest anything to you?
> 
>     Just brainstorming (during a cool lecture on Flapjax by Shriram
>     Krihnamurthi).
> 
>     Hope this helps,
> 
>     -Greg
> 
>     --
> 
>      Greg Priest-Dorman
>      priestdo at cs.vassar.edu <mailto:priestdo at cs.vassar.edu>
> 
> 
> 
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