What? Apple patents "silence"?
Sorry Apple, I can't hear you! I have a G4 sitting here beside me and it's hard to even read it's so damn noisy! Hang on, I'll turn it off.
Ah, that's better.
Right, now lets see, on my desk here I have my SILENT Asus Nova which is my trusty little Windows Home Server, next to me is my main machine with the built-for-silence Antec P20 case, modded with 5 extra fans foor cooling and a Zalman fan control to keep it quiet. I only have to let the noise get loud on days over 35C, and to be honest I'm not usually in front of the PC on days like that.
I built my first silenced PC back in 2001, so RIGHT THERE I've got prior art over Apple, as I was using resilient HDD mounts, fan controls, composite linings to stop reverb and harmonics in the case, and software control over how hard the CPU & fan is running, which for memory came in with the Athlons from AMD with their "Q-fan" system.
I really do have a G4 here as well, (two of them actually) and the aren't even the awful G4MDD models (known as the Apple WindTunnel), and I must say they are very noisy computers. Sure, pretty case for the time, but roaring banshees when powered up. Yes, the fans are clean. Though I did touch the inside of the case without washing PC off first, so I may have un-blessed the G4s resulting in the noise. Oh, and the speakers for them aren't connected with helium-filled oxygen-free copper with mahogany interconnects, so that would be why.
Coming up next Apple patents "gasseous material for facillitating respiration" and "geometric-symbol-based representation of concepts, numbers and speech, facillitating communication storage on physical and digital media"