all i can remember is they were Polish and the demo had full screen width lines in 100's of colours ( the specky was 8 colours + bright) and had a logo that had a kind of glassy effect in the middle of the screen.
That'll be Shock by ESI. Incredibly impressive at the time, but positively prehistoric compared to what's going on on the Spectrum these days... Gouraud shaded planets, Doom in multicolour anyone?
This would be a good opportunity to ask something I've been wondering about patents for a while: to infringe on a patent, do you only have to violate one claim (in which case this patent covers everything which has a second-level menu, and should be thrown out as overly broad / prior art) or all of them (in which case, because it specifically talks about MP3s, you could happily take their UI and throw it lock stock and barrel into an OGG player)?
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This would be a good opportunity to ask something I've been wondering about patents for a while: to infringe on a patent, do you only have to violate one claim (in which case this patent covers everything which has a second-level menu, and should be thrown out as overly broad / prior art) or all of them (in which case, because it specifically talks about MP3s, you could happily take their UI and throw it lock stock and barrel into an OGG player)?