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Nintendo is already guiding you through the Louvre with a 3DS, but a newly published US patent application takes that kind of tourism to a very literal new level. Legend of Zelda creator Shigeru Miyamoto's concept describes a way to direct lost tourists by beaming position information through an overhead grid of infrared transmitters to a mobile device (portrayed as a DS Lite) held by the confused visitor below. The handheld then talks wirelessly to a server that lights up floor displays with maps and directions, and a helpful app on the device lets visitors pick their route while they read up on sightseeing tips. Like with any patent, there's no certainty that Nintendo will act on the idea and start wiring up museums with IR blasters, but the January 2012 patent may still be fresh in a frequently inventive mind like Miyamoto's.