I found an HP150 (model 45851A?)--how do I make it work?

From: Joe <rigdonj_at_intellistar.net>
Date: Tue Feb 22 18:51:52 2000

At 06:38 PM 2/22/00 +0000, you wrote:
>> How did the touch screen operate then, infra red beams?
>
>For the HP150, yes. Emitters on the left side and bottom, detectors on
>the right side and top. The resolution was good enough to select one of a
>pair of characters IIRC (it cheated, and used 2 adjacent beams blocked as
>to detect when you were midway between said beams).
>
>>
>> ISTR that I once saw a touch screen (in fact probably the only one I've
ever
>> seen) which was some sort of transparent layer attached to the face of the
>> CRT, it looked rather like an anti-glare covering. It was nice as you
>> couldn't smudge it.... :-)
>
>The HP Omingo 100 pocket computer uses a thing like that (you write on
>the LCD screen with a stylus). It wears out _very_ quickly, though.

   I have an Apple Newton 120 that uses a stylus. This one works well,
there are no marks on it after a number of years of use.

    Joe
>
>-tony
>
>
Received on Tue Feb 22 2000 - 18:51:52 GMT