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•Jul 4, 2019
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My wireless speakers, earphones,
hands-free calling – what’s the magic behind Bluetooth tech? How does it all
work? The idea of what we call “Bluetooth” today was first introduced back in
1989. DR. NILS RYDBECK, WHO WAS THE CHIEF TECHNOLOGY OFFICER AT ERICSSON
MOBILE, AND INVENTOR DR. JOHAN ULLMAN HAD THIS REVOLUTIONARY IDEA TO DEVELOP A
PAIR OF WIRELESS HEADSETS. THEY BROUGHT DR. JAAP HAARTSEN on to the project. A
mere 5 years later, he’d be the engineer who made the breakthrough and came out
with the first protocol. It took a few more years to perfect the technology.
But finally, in 1999, they presented their first hands-free headset to the
world at the Comdex computer exposition and trade show in Las Vegas.
SUMMARY - Three companies were
working separately to create short-range radio technologies that would connect
computers and different devices using short-wave frequencies. But since the
invention was in its early stages, Intel, Ericsson, and Nokia decided that the
best way to proceed was to create a single wireless standard. - Bluetooth works
a lot like Wi-Fi. It uses radio waves to send data between devices at short
distances. Now, whereas Wi-Fi uses radio waves to transmit data between your
router (where your Wi-Fi comes from) and your device, Bluetooth does it between
devices. - Bluetooth can connect to 8 devices at the same time without any
interference from other wireless items like garage doors or baby monitors. -
The Bluetooth transmitters in both your computer and your devices use 79
different frequencies in that range. - If you’re wondering what devices use
Bluetooth nowadays, the answer is almost all of them. Phones, headphones,
earbuds, speakers, stereos, TVs, cameras, cars, tablets, game consoles, you
name it! - When Bluetooth first came out, it was really easy for someone to
access your data without your permission. But over time this technology has
become more secure. - There’s this trend called bluejacking where a person or
company can send you their electronic business card or an ad as a text message
using Bluetooth. Of course, when you see that, you either ignore it or panic!
But this is something that mostly happens in public places where everyone is
using their phones. - The amount of non-ionizing radiation present in Bluetooth
headphones is a lot less than what’s in a typical cellphone. #wireless #bluetooth #brightside Music by Epidemic Sound https://www.epidemicsound.com/
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Grateful thanks to BRIGHT SIDE, DR. NILS RYDBECK, DR. JOHAN ULLMAN, DR. JAAP HAARTSEN and YouTube and all the others who made this video possible
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