Anyone familiar with these vintage touchscreens?

Cory Heisterkamp coryheisterkamp at
Mon Oct 21 11:57:15 CDT 2019

On Mon, Oct 21, 2019 at 11:51 AM Tony Duell via cctalk <
cctalk at> wrote:

> > Theinfrared array you're thinking of was invented at PLATO, for flat
> panel (plasma) displays.  They don't work for CRTs because of the convex
> screen.
> My HP150 will have to disagree with you there.
> -tony

As would the Oldsmobile Toronado. The Buick Riviera took a different
approach using a resistive array. It worked well, but wasn't compatible
with gloved hands. -C

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