A lot of wires .. and the alternative? One, Welcome to the world of radio waves, welcome to the world of Bluetooth technology.
Day after day, hour after hour, exchanging photos, videos and music with your friends over the phone, without the need for links and without having to use a third party device is to be the link between you, you might have wondered at one point about how this technology that provides you many of the costs, effort and time, in addition to being the perfect solution in the exchange of files - all types of files - whatever was, and even more so, today we have approached the middle of the seventeenth year after millennia, the use of Bluetooth technology confined or limited no longer only in exchange files, we here in the era of IoT, Or what is known as the "Internet of Things - Internet of Things", has become able to almost everything control in your home from a single location, without having to go somewhere specific to press one of the buttons, or you connect a links, you can be running and lights out open electric oven and open the doors and did almost everything in your home or office from one place through a few pulses on the concrete screen or buttons.
Let us know through the day an article about how the work of one of the most important technologies in the modern era, and the most useful to mankind, and special mention, the future of humanity later in 2020.
Bluetooth technology
Previously known Bluetooth technology for "Short-Link Radio Technology" or " link radio short - range technology , " a technique of radio waves designed specifically short - range communications which are not more than 30 feet or the equivalent of ten meters, the technique using radio waves with short lengths high - frequency or what is known as Short-Wavelength UHF Radio Waves in over the band "ISM" Industrial, Scientific and Medical between 2.4 to 2.485 GHz, for making personal networks in a specific range "PANs".
Technology is managed by Bluetooth Special Interest Group "SIG" which includes more than 30 thousand member companies in the field of communications, computing and networks, as well as consumer electronics, where all the devices maker needs to match his machine Bluetooth SIG standard specification in order to be able to start propaganda for a device that uses Bluetooth technology . It was initiated by the development of Nis Rydbeck in 1989 where he worked at Ericsson Mobile company in Sweden, in addition to Johan Ultman.
The purpose of the technical development initially is making wireless headphones, where Rydbeck asked Tord Wingren specifically Jaap Haartsen and Sven Mattisson and hunters who were working for the company Ericsson required specifications based on FHSS technology, or what is known as Frequency-Hopping Spread Spectrum and so they making a suitable replacement for links RS-232 for the transfer of data then, where was able to Bluetooth technology that you connect between up to seven devices simultaneously without each other province which make them overcome the problems of previous techniques and links.
Image of a unified Kingdom of Harald Bluetooth Danish game Civilization 5
The Bluetooth name has come from King Harald Bluetooth name of the Norse of the eighteenth century, because it is one of the best examples of this technique on the ground as has been the unification of tribes Danish dissonant under the command of one kingdom. Has been suggested this name by Jim Kardach in 1997 and those who do not know, the Kardach is a system that allowed the computers and phones by calling together a developer, where he was reading at the time, a historical novel for Frans G. Beingtsson a novel The Long Ships which tells about the Vikings and the King harald Bluetooth.
The logo, it consists of two components:
Character H Balaskndnavah known as the Younger Futhark and utter Hagali symbolizes the first name , Harald .
Character B , which speaks Bjarken in the Scandinavian language is also a symbol of the second name of a Bluetooth .
Bluetooth technology mechanism
Here we turn to the most important points of our topic today, how this technique, I'll have an example in an attempt to simplify it to you, let's talk, for example, wireless headsets connected to the phone via Bluetooth technology.
First, in order to enable each device to communicate with the other via Bluetooth needs to be a programmatic part of a physical part, the physical part is a pneumatic slide in both devices send and receive waves through a particular frequency, but the software it is what is known as "interpretation" signals coming and send them to the device can be read. In this way, and when you create a language of communication between the two devices, the phone recognizes how the body sends audio files through which information the way you understand the speakers, as well as also the role of the speaker in the interpretation of orders issued by the phone such as reducing the volume and control sections.
In most cases, when you do activate the Bluetooth feature in any of the two devices, one will be discoverable by the other, of course, in this case, the headset is detected by the phone, send as well as the speakers very little information to the phone and this is the most important role in this process, so for the phone to alert that they are ready and willing to receive information from it to become under his personal time to form a network limited area between both devices or as previously mentioned PAN.
But perhaps you may wonder, how not to mingle Bluetooth signals present in one place? The answer lies in the signals of both Almtcefhh hardware addresses, even though there were signals emitted from other devices in the same wavelength for those devices, each wavelength signal from these lengths specific address can be detected and read to the data exchange between the only compatible devices. Also, the Bluetooth technology works as we mentioned earlier in a limited scale, which is no more than ten feet, which prevents all confirm the presence of many references in this small space to cut signals between each other.
According to a special site Bluetooth.com this wonderful technical site, it is as we mentioned this technique works in the extent of between 2.4 to 2.485 GHz, and through what is known as technology spread-spectrum frequency hopping at 1600 hops / sec rate.
Well, they may have had enough of those numbers, let it simpler for you better.
Bluetooth is an important segment in the launch of wavelengths in a specific area of frequencies dedicated short-range communications. However, the probability of the presence of other devices send another wave lengths and is ready to receive wavelengths for the rest of the devices mean that there is a risk may cause due to boycott wavelengths each other, especially those in the same small frequencies in the same or close frequency range.
Then the solution is that the signal was what is known as Hops or leaps during the frequency. As we mentioned it for the Bluetooth technology that signals jumping frequencies between about 1600 leap per second, and of course here becomes the probability of the presence of two frequencies equal rulings of two different devices is the probability of no more than 0.00125 percent.
It is not the same for wireless headsets using Bluetooth technology, these headsets use full duplex communication or partial. The contact duplex full, it means that all connected devices are able to send and receive signals, that conversation emerging between the two devices in this case will become a two-way rather than one direction, and this appears evident in the case of Walkie-Talkie devices, which receives and sends where both parties sound the same time.
Less power .. speed less
Bluetooth is a technology as we mentioned targeted for data transmission in the short term, which is the best option for the transfer of data between mobile phones, and why it is something that came on the interest of something else, a decrease in energy consumed by Bluetooth chip in your phone, which makes it of course, do not send files and information over the long range, as well as do not send at high speed. Valtguenih dedicated to the transfer and exchange of information within 10 meters, so that the slides used in factories with a range of no more than 300 feet of any 100 meters.
The technology was developed slowly through new versions, for example, version came Bluetooth 4.0 how far reached 200 feet instead of 33 feet in version Bluetooth 3.0 with transfer speed up to a maximum of 25 Mbps with the consumption of less energy, and surpasses it Bluetooth 5.0 which reached a range of 800 feet ie 240 meters and transfer speed of 50 megabits per second.
Bluetooth or Wi-Fi?
The question was one of the most important questions that you typed in the draft of the article due to the large difference is the frequent confusion between both Bluetooth technology and technology Wi-Fi the fact that both of them aspire to finally arrive at what you want without having to use many of the wires.
Bluetooth technology is always used in short distances and used to transfer small amounts of data. Unlike Wi-Fi is more secure and consume less power and are connected automatically. The Wi-Fi technology are used to transfer large amounts of data between computers and the Internet, as they are usually you connect over long distances, and of course, as a product of these characteristics are used more energy as much.
Is the use of Bluetooth is harmful?
No almost no technology on the face of the earth was not going to talk about the harm health, Emma was, wherever they are used, and however used, of course, have not received our friend from this, have spread rumors about Bluetooth technology for harm to the body as causing cancer, but this is not true, because the frequency of radio waves spread in the range of 2.402 to 2.480 GHz, a non-ionized radiation and harmless. Also, the maximum energy out of the Bluetooth radio waves are 100mW, which do not cause any damage to the body at all.
What happens if Bluetooth and leave your phone works to activate?
The real consumption of Bluetooth chip existing phone via data transfer between your phone and other devices, while in the case of leaving the phone and connect it up to a known without data transfer, for example, linked to one of the music players without running already music, it means that he will not make an effort to transfer data or even effort in the search for nearby Bluetooth devices, that is the result of energy consumption is 0.
This was all I have reached about Bluetooth technology, one of the qualitative shifts in history, which we have provided a lot and a lot of time and effort, costs, and even places, no longer need the space to connect the wires as well as we provided the presence of wires risks that may cause the occurrence of each other. If you know anything else for this wonderful technology we participated in comments to other readers benefit, which may add.