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FAT patentFAT patentPosted Feb 26, 2009 1:59 UTC (Thu) by tialaramex (subscriber, #21167)In reply to: FAT patent by dps Parent article: Microsoft sues TomTom
TomTom's kernels have FAT support because (most of) their devices allow (in some cases require) you to insert a formatted SD card full of data. Since users will inevitably access this SD card from a PC, it has to use FAT.
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FAT patent Posted Feb 26, 2009 4:28 UTC (Thu) by dr_lha (guest, #86) [Link]
Its not just SD card support. The lower end TomToms don't take SD cards, but themselves act like
flash drives when plugged into a computer via USB, allowing for installing of new maps, updates etc. Of course so that the TomTom can be mounted on pretty much every computer, the thing is formatted as FAT.
FAT patent Posted Feb 26, 2009 13:04 UTC (Thu) by dufkaf (subscriber, #10358) [Link] Yes but then linux kernel FAT driver is not used at all, usb storage is block device. It is up to the host computer and its FAT driver to write there.
FAT patent Posted Feb 26, 2009 14:03 UTC (Thu) by klaasjan (guest, #5492) [Link]
I think the navigation unit has to be able to read it's FAT-formatted filesystem to display the maps written there...
FAT patent Posted Feb 26, 2009 20:08 UTC (Thu) by dufkaf (subscriber, #10358) [Link]
You're right, completely forgot about this. But still, aren't those patents about methods of _writing_ long and short file names? Once it is so cleverly and innovativelly written you just read it, no space for creativity there. Would a read only driver violate patent too?
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