2012年5月31日星期四

Bluetooth


        From 1994 to the present, the Bluetooth technology has been on our side. 17 years on a lot of technical innovation is the old age, but few truly understand the Bluetooth technology behind the scenes story of the familiar. Let me use dialogue Nokia blog to introduce the five you may not know the facts about this amazing technology.Its name from a Danish kingThe 10th century Danish King Harold Blåtand (Harald Bluetooth), his passion for blueberries that his teeth painted a permanent blue. "Bluetooth" and "Blåtand corresponding English word. The great achievements of the king is the harmonization of the Nordic tribes, established a kingdom. Similarly, Bluetooth unified communications protocol, the formation of a common standard.

The communication distance is bigger than you thinkWhile Bluetooth has been referred to as the short-range wireless networking standard, but Bluetooth phone communication distance is far beyond your imagination. In most cases, the communication distance is about 10 meters, however, the new version of the communication distance and even up to 100 meters.
5 editionsThe first version is 1.1, followed by 1.2,2.0 plus, EDR, 3.0 plus, of HB and 4.
While this may make people confused, but the good news is, different versions of the Bluetooth mobile phone each other often non-existent compatibility issues.
The new version of Bluetooth can provide greater security, faster speeds and greater communication distance, and lower power consumption. They also can backward compatible with older versions.
At the same time to communicate with multiple devices
        
The latest version of Bluetooth phones can be used as the primary phone, up to 7 devices to communicate. The combination of 8 devices called "piconet". At any time, the data can be in the main mobile phone and one from the phone between the transmission; main phone to the polling quickly from a switch from the phone to another mobile phone, respond to more file transfer requests.
More popular than ever before
        
Now, 95 percent of mobile phone supports Bluetooth, a substantial increase in 2008 compared to Bluetooth-enabled mobile phone was only 5%. The statistics also showed that more than 70 percent of consumers are open all day to Bluetooth, which means that there are more people using Bluetooth.

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