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Originally Posted by csongi12xme
well infra-red.They named these things after colors.
It's called "infrared" because the devices transmit a spectrum of light just below the visible (to humans) red spectrum. Not because they name it after colors.
Similar to "ultraviolet," which is a spectrum of light above the visible color spectrum of violet.
Why is it called Bluetooth?
Harald Bluetooth was king of Denmark in the late 900s. He managed to unite Denmark and part of Norway into a single kingdom then introduced Christianity into Denmark. He left a large monument, the Jelling rune stone, in memory of his parents. He was killed in 986 during a battle with his son, Svend Forkbeard. Choosing this name for the standard indicates how important companies from the Baltic region (nations including Denmark, Sweden, Norway and Finland) are to the communications industry, even if it says little about the way the technology works.
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