Bluetooth
| Developed by | Bluetooth Special Interest Group |
|---|---|
| Introduced | 7 May 1998 |
| Industry | Personal area networks |
| Compatible hardware | Personal computers Smartphones Gaming consoles Audio devices |
| Physical range | Typically less than 10 m (33 ft), up to 100 m (330 ft). Bluetooth 5.0: 40400 m (1001,000 ft) |
When did Bluetooth hit the market?
2000
The IoT for everyone. Everywhere. In 2000, the first PC card and first mobile phone with Bluetooth® technology came to market. Today, phones, tablets, and PCs have become portals through which people experience every thing and every place.
What was the first phone with Bluetooth?
Ericsson T39
The Ericsson T39 was the first mobile phone with Bluetooth
The Ericsson T39 pioneered the tech, launching in 2001.
When did Bluetooth become standard in laptops?
It was adopted on June 30, 2010. Today, most devices on the market are still using this version or one of its following updates: Bluetooth 4.1 or Bluetooth 4.2.
When did Bluetooth 5.2 come out?
January 2020
Bluetooth 5.2 – Was released in January 2020.
When was Bluetooth 4.0 introduced?
2010
The technology was marketed as Bluetooth Smart and integration into version 4.0 of the Core Specification was completed in early 2010. The first smartphone to implement the 4.0 specification was the iPhone 4S, released in October 2011. A number of other manufacturers released Bluetooth Low Energy Ready devices in 2012.
Why is it called Bluetooth?
Bluetooth was named after a tenth-century king, Harald Bluetooth, King of Denmark and Norway. (Also known as Harald Bluetooth Gormson or Harald I of Denmark) Bluetooth is an anglicized version of Harald Blaatand, who was known for his unification of previously warring tribes from Denmark (including now Swedish Scania).
What was before Bluetooth?
Back around the turn of the century, infrared ports for wireless data transfer over short distances were commonplace on many mobile devices. But it wasn’t long before infrared communication technology was kicked to the curb in favor of the more versatile radio-based Wi-Fi and Bluetooth technologies.
How was Bluetooth named?
Surprisingly, the name dates back more than a millennia to King Harald Bluetooth Gormsson who was well known for two things: Uniting Denmark and Norway in 958. His dead tooth, which was a dark blue/grey color, and earned him the nickname Bluetooth.
Who invented Bluetooth?
Jaap Haartsen
Jaap Haartsen has been active in the area of wireless communications for more than 25 years. In 1994, he laid the foundations for the system that was later known as the Bluetooth Wireless Technology, enabling connections between a seemingly endless array of devices.
Is Bluetooth bad for us?
Bluetooth devices emit low levels of nonionizing radiation. Exposure to low amounts of this type of radiation is not harmful to humans. According to the Food and Drug Administration (FDA) , routine exposure to nonionizing radiation is generally perceived as harmless to humans.
Why was Bluetooth invented?
Bluetooth, named for Harald I Bluetooth, the 10th-century Danish king who unified Denmark and Norway, was developed to enable a wide range of devices to work together. Its other key features were low power usageenabling simple battery operationand relatively low cost.
What is the latest Bluetooth?
version 5.2
At the CES conference in January 2020, Bluetooth introduced the latest version of Bluetooth technology version 5.2. Version 5.2 offers new benefits for the next generation of wireless devices and audio technologies. It also ushers in the next generation of Bluetooth audio LE Audio.
Is Bluetooth 4.1 good?
Bluetooth 4.1 devices can act as both hub and end point simultaneously. This is hugely significant because it allows the host device to be cut out of the equation and for peripherals to communicate independently.
What is the difference between 4.2 and 5.0 Bluetooth?
Compared to Bluetooth 4.2, Bluetooth 5.0 can transmit eight times more data, at twice the speed, across four times the range.In short, it can transmit eight times more data, at twice the speed, across four times the range. Let’s look at how those key advantages impact sound.
Did Bluetooth exist in 2008?
Although this occupies very similar frequencies to Wi-Fi, Bluetooth has always been designed as a much shorter range and lower power alternative. Bluetooth was invented back in 1994, but the first Bluetooth phone didn’t hit shelves until 2001.
When did Bluetooth 3 come out?
21 April 2009
Bluetooth 3.0 + HS. Version 3.0 + HS of the Bluetooth Core Specification was adopted by the Bluetooth SIG on 21 April 2009. Bluetooth v3.0 + HS provides theoretical data transfer speeds of up to 24 Mbit/s, though not over the Bluetooth link itself.
What was the first Bluetooth headphones?
First Bluetooth (stereo) headphones, 2004
Bluetooth, the wireless connection standard named after the 10th century Danish King, Harald Bluetooth (pictured), and first released in 1999, is the reason mainstream headphones are now going wireless.
Where did Bluetooth originate?
Denmark
Bluetooth was borrowed from the 10th-century, second king of Denmark, King Harald Bluetooth; who was famous for uniting Scandinavia just as we intended to unite the PC and cellular industries with a short-range wireless link.
What is special about Bluetooth?
Among the various wireless standards (like Wi-Fi), Bluetooth is known for maintaining a stable connection in short distances, and transferring small amounts of data without taking too much power.
What is the max speed of Bluetooth?
They support data rates of up to 1 Mbps (more like 0.7 Mbps in practice) and 10 meter maximum range.
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