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

[john McDonald]

Actually, I did look at it signal on the scope.  I saw that the signal that
comes out of the VCR it roughly adds  a duration of 2.89 usec of 3.452 MHz
signal to mine.    I think since the ARGO is designed for the color that
might be why is look for the burst but mine is missing.

Thanks,
John.

On Sat, Apr 5, 2008 at 1:08 PM, Roger Gonzalez <rg at v0.net> wrote:

> 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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> >
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