Bluetooth is the invented by Swedish Ericsson company. But it has been started to research in 1994. And until Feb.1998, Global Small-Scale Wireless Communication Technology Wireless Communication Technology established by 5 Ericsson, Nokia, IBM, Toshiba and Intel Multinational Corporations. That is Bluetooth now.
Why call it Bluetooth? This stems from a small story.
In tenth century, there was a King called Harald Blatand in Denmark. He was articulate and good at socializing. He United Norway, Sweden and Denmark. He liked eating blueberry, and his gums were always blue. So he called “Bluetooth King”.
The designers thought it was very expressive to use “Bluetooth” ,and the kind “Blatand” ‘s personality meets the feature of the technology when they decided which name should be chosen. So it is called Bluetooth.
Two letters “H” and “B” of Bluetooth symbol design is from HaraldBluetooth. They came from old Nordic alphabet, and Combined, become Bluetooth Logo.