Linked by Thom Holwerda on Sat 15th May 2010 08:49 UTC, submitted by kragil
Amiga & AROS A few weeks ago, Novell and Red Hat jointly fended off a patent infringement suit thrown their way by a patent troll. The patent in question more or less came down to the concept of virtual desktops - and thanks to Groklaw, several people helped in finding cases of prior art. The most interesting one of all? A carefully restored and working Amiga 1000 demonstrated to the judge and jury.
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The fact that different resolutions could be displayed on the different screens was a hardware trick that was only physically possible on CRTs. And only on fixed frequency CRTs at that, ie TVs and old fixed frequency monitors.

Multisync CRTs precluded playing with raster effects to mix different frequencies in different parts of the screen.

That was a cute hack but it had no future.

Nowaday you could achieve the same effect if you wanted by scaling up the lower resolution desktop to fit on the screen, making it a "low res" desktop. You can't physically mix and match different resolutions on a LCD, you know?

Edited 2010-05-15 14:14 UTC

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