16 Jul
2011
16 Jul
'11
7:46 p.m.
In article <CANij+dcHik1ZTN5FVu5BzBb81+R6eoH2Z21AhUjARVHRyOdG1w at mail.gmail.com>,
William Donzelli <wdonzelli at gmail.com> writes:
There were competing raster based terminal systems in
the 1960s.
[...]
The other approach was to use a tiny monoscope, with the target having
an array of characters that could be raster scanned by a jumping beam.
This is not as kludgey as it sounds.
The charactron tube? It was used for the message displays in the SAGE
console.
You can see the beam shaping mask here:
<http://www.computerhistory.org/collections/accession/X1592.99>
And the tube here:
<http://www.computerhistory.org/collections/accession/102669865>
<http://www.computerhistory.org/collections/accession/102688883>
--
"The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download
<http://legalizeadulthood.wordpress.com/the-direct3d-graphics-pipeline/>
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