The Story of Bluetooth
Bluetooth technology got its start in early 90′s by engineers at Ericsson in Sweden. Afterwards, a small grouping of technology vendors like Ericsson, IBM, Intel, Toshiba, and Nokia put together the Bluetooth Special Interest Group(SIG) in an effort to formalize the technology to make it an industry standard.
Bluetooth relies on a frequency-hopping spread spectrum radio technology to communicate wirelessly between a master gadget and as many as seven slave items. This means that your primary item, whether it be a smart phone, a mobile computer, or and apple ipod, can offer up to seven different Bluetooth devices linked to it concurrently. Although it could possibly appear that all devices are doing the job concurrently, the master device truly talks to each slave system in short sequence. It happens so swiftly you won’t ever observe, even when listening to songs on Bluetooth earbuds.
Bluetooth is simply a short-range wireless communication technology. Products receive an average range of about thirty ft. Naturally, the farther separate you are, the less condition the signal may have. It’s usually not really a huge matter because Bluetooth products are supposed to work in closeness to the master device. Some examples of this include a wireless mouse and keyboard for your computer, or wireless stereo speakers for your home music system.
Considering that Bluetooth technology also has such a restricted range, it utilizes hardly any electrical power. This is extremely important, because so many Bluetooth devices are small-scale and do not have space for big batteries. This allows you to make use of your gadget for extended periods of time before you must switch batteries or recharge.
There are 3 primary versions of Bluetooth, all variations are backwards compatible with preceding versions.
Bluetooth v1: Bluetooth had a difficult start. It was without critical security, was sluggish, as well as was susceptible to interference. Throughout subsequent revisions v1.1 in addition to v1.2, a number of these initial bugs ended up repaired.
Bluetooth v2: Launched in ’04, the main difference in this particular variation was faster data transfer without influencing energy utilization. In revision v2.1 secure simple sharing was initially announced which enhanced the pairing experience whilst strengthening security.
Bluetooth v3: Adopted through the SIG during 2009, Bluetooth 3.0 transfer of data as high as 24 Mbit/s, eight times faster in comparison with version 2. This can be done by incorporating the Bluetooth together with 802.11 Wireless technology. Look for Bluetooth equipment featuring a +HS on the container, that means the unit supports this new high speed technology.
You can read more about Bluetooth on Wikipedia and the official Bluetooth site. With Bluetooth being extremely versatile, standardized, and utilizing little electrical power, it’s the prefect technology for short range wireless technology.
One example of a great use for this technology are Bluetooth earbuds. Find out more at Bluetooth earbuds online.
June 10, 2011 | Posted by Matt Smith
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