Anyone familiar with these vintage touchscreens?

[Diane Bruce]

On Sun, Oct 20, 2019 at 12:14:53PM -0400, Nigel Johnson via cctalk wrote:
> It was called teletext despite the implications, at least here in 
> Canada.  People just couldn't get their tongue around NAPLPS!

More widely known as Telidon despite it being called NAPLPS.
https://en.wikipedia.org/wiki/Telidon

Friend of mine worked at one of the commercial companies (NORPAK) doing it.
Incidentally, they used a lot of 6809 systems running OS-9.

> 
> It looks just like the teletext systems I worked on, maybe ours was 
> better than yours?
> 
> cheers,
> 
> Nigel
> 
> 
> On 20/10/2019 06:43, Peter Corlett via cctalk wrote:
> > On Sat, Oct 19, 2019 at 02:23:46PM -0400, Nigel Johnson via cctalk wrote:
> >> Judging by the year, it was probably a teletext terminal. [...]
> > It's not Teletext, unless that word means something different on the other side
> > of the Pond. Teletext was basically a text system (the hint's in the name) with
> > graphics (and indeed colour) being a weird hack that gave it a particular
> > appearance, especially in typical implementations which used the SAA5050
> > character generator chip.
> >
> > The palette and colour fringing suggest Apple II to me.
> >
>   
> 
> -- 
> Nigel Johnson
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