It's quite an obvious strategy. You don't load all the data, but only what the user can actually see, with a bit of buffer space in both directions. When the user moves the scrollbar you go and fetch more data.
Not surprised that (1) somebody filed a patent on it and (2) it actually got accepted.
Also maybe someone can show me where this "apparatus" cited in the in patent is to be found.
It's quite an obvious strategy. You don't load all the data, but only what the user can actually see, with a bit of buffer space in both directions. When the user moves the scrollbar you go and fetch more data.
Not surprised that (1) somebody filed a patent on it and (2) it actually got accepted.
Also maybe someone can show me where this "apparatus" cited in the in patent is to be found.