who invent the Bluetooth earphone and when?
Answers
Answer:
The Bluetooth standard was originally conceived by Dr. Jaap Haartsen at Ericsson back in 1994. It was named for a renowned Viking and king who united Denmark and Norway in the 10th
Nathaniel Baldwin invented earphones
Headphones originated from the telephone receiver earpiece, and were the only way to listen to electrical audio signals before amplifiers were developed. The first truly successful set was developed in 1910 by Nathaniel Baldwin, who made them by hand in his kitchen and sold them to the United States Navy.
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Answer:
[Bluetooth is not invented by a person, but a technical team]
The name Bluetooth comes from a Danish king of the 10th century, Harald Blatand. The meaning of Blatand in English can be interpreted as Bluetooth. Because the king likes to eat a blue plum, the gums are blue every day, so-called Bluetooth. In the preparatory phase of the industry association, a very expressive name is needed to name this high-tech.