How does Bluetooth works

How does Bluetooth works. Perhaps you are familiar with Bluetooth, we can usually find in cell phones, laptops and other latest devices. Bluetooth is usually used to connect two or more devices to share information, data, vidio, songs, and so forth. but in fact we taukah how Bluetooth works, following his review below, and the early history of the discovery of Bluetooth and Bluetooth where the origin of the name of it.

Harald Bluetooth was king of Denmark in the year 900’s. He managed to unite Denmark and part of Norway into one kingdom. Choosing  How does Bluetooth works this name for the standard indicates how important the development of companies from the Nordic region (including countries Denmark, Sweden, Norway and Finland) is the area for the communications industry.

How does Bluetooth works

From here will look at methods of connecting devices, called Bluetooth, which can streamline the process. Bluetooth connection is wireless and automatic, and has a number of interesting features that can simplify your everyday life.

When two or more devices must communicate with each other, they must agree on several points before communication can begin.
The first of agreement is physical: Will they communicate via a cable, or through some form of wireless signal? If they use wires, how many are needed – one, two, eight, 25?

How does Bluetooth works

After the physical attributes of the decision, several other questions arise: How much data will be sent at a time? For example, serial port sends data one bit at a time, while parallel ports send several bits at once.

How will they talk to each other? All parties in an electronic discussion need to know what the bits mean and whether the message they receive is the same message that is sent. This means developing a set of commands and responses known as protocols.

Bluetooth Operation

Bluetooth network transmits data via low-power radio waves. It communicates on a frequency of 2.45 gigahertz (actually between 2.402 GHz and 2.480 GHz). This frequency band has been set aside by international agreement for the use of industrial, scientific and medical devices (ISM).

A number of devices that you can use to take advantage of this same radio frequency band. monitors, garage door openers and the newest generation of cordless phones all make use of frequencies in the ISM band. Ensuring that Bluetooth and other devices do not interfere with each other has become an important part of the design process.

Ways Bluetooth devices avoid interference with other systems is by sending out very weak signals of about 1 milliwatt. Low power of Bluetooth devices to How does Bluetooth works limit the range of about 10 meters (32 feet), cut off the possibility of interference between your computer system and your portable telephone or television. Even with the low power, Bluetooth does not require line of sight between the communicating devices. The walls in your home will not stop a Bluetooth signal, making the standard useful for controlling several devices in different rooms.

Bluetooth can connect up to eight devices simultaneously. With all of these devices within a radius of 10-meter (32 feet) the same, you would think they would interfere with each other, but it is not possible. Bluetooth uses a technique called frequency hopping spread spectrum seldom makes more than one device to transmit at the same frequency at the same time. In this technique, the device will use 79 individual, randomly chosen frequencies within a designated range, changing from one to another on a regular basis.

How does Bluetooth works

In the case of Bluetooth, transmitters change frequencies 1,600 times every second, meaning that more devices can make full use of a limited slice of radio spectrum. Since every Bluetooth transmitter uses spread-spectrum automatic transmission, it is unlikely that two transmitters will be on the same frequency at the same time. This same technique minimizes the risk that portable phones or baby monitors will How does Bluetooth works disrupt Bluetooth devices, since any interference on a particular frequency will last only a fraction of seconds.

When Bluetooth devices come within range of each other, the electronic conversation happens to determine whether they have data to share or whether one needs to control others. Users do not need to press a button or give a command – the electronic conversation happens automatically.

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