Posts Tagged ‘Bluetooth’
Bluetooth Wireless Technology

Today, Bluetooth wireless technology is highly demanded sophisticated electronic device that is incorporated almost in every part of marketing sector. This Bluetooth technology sprouted in more and more pieces of finest form of various Bluetooth devices by the end of 20th century.
Sony Ericsson the builder of Bluetooth, effortlessly wanted to make a single custom for wireless technology networking that could easily be stay tune connected with other electronic gadgets supporting this Bluetooth wireless service freely. And so other electronic designers & manufacturers were sharing the same single custom because of the reason as it allows the number of users to enjoy this Bluetooth wireless networking in their electronic devices, with no concern that which company is behind that electronic item.
The subtle business plan of Sony Ericsson made a brilliant strategically decision to make the Bluetooth wireless networking technology requirement available free of charge to companies, if interested in building and embedding the technology into their electronic products which helped in creating a spirit of co-operation amongst the developers.
Using this latest Bluetooth wireless networking technology as base a primary stage it has helped to make this service very affordable for companies to develop innovative products. Not only for companies, but also for end number of users is benefited by this Bluetooth wireless technology just free of charge, and those electronic products are even available at low price in market.
It provides you to transfer data, voice & video with use of electronic tools and gadgets. The size of data to be transferred is no bar but same is not the case with all files of any format. Bluetooth wireless technology helps in functioning of other electronic products by flawlessly connecting & communicating with each other. It has defined three communication ranges as follows:-
1) The Grade “A” devices are the most powerful and ranges up to 300feet.
2) The Grade “B” devices are less powerful and provide an effective range of 50 to 100 feet.
3) The Grade “C” devices lit bit powerful but ranges approximately 15 to 30 feet.
A very important aspect that was focused is that this was especially was designed to provide only short-range connectivity and communications. And this was the only benefit, an advantage of short-range limitation that was purposely designed.
One of the benefits of short-range Bluetooth wireless technology is that it restricts the interferences from other devices if they are close to your surroundings. The main factor that works is the remarkable security features installed while producing, which keeps others away from connecting with your devices and so protects your data.
Another important feature that is powered by limiting its short-range of networking devices requires less power for the transmission over short distances. This shows that you can enjoy longer battery life for most users.
The increasing graph of expansion of use of electronic devices or gadgets using Bluetooth wireless can be seen day by day. Products like Bluetooth wireless PDA, Bluetooth wireless phone, Bluetooth wireless headset stereo headset, Bluetooth wireless printer, etc. It is proved that such a high demand can be satisfied only by continuous research in electronic devices to stand up to the mark in the minds of people by best quality & innovative manufacturing of products.
Bluetooth Technology Finally Explained

Bluetooth technology is a radio-based wireless communication technology, by the dint of which the cable connections of the modern hi-tech devices have been completely cut off – thereby maintaining a high degree of efficiency with utmost security. Each Bluetooth enabled electronic device is cent percent capable to successfully communicate, at a time, with as many as seven other Bluetooth enabled devices within a short range of distance – ranging from 1 meter to 10 meters depending on the radio class. In such case all the devices to be connected must lie within a single network system. This needs no cables, no wires – nothing and hence the users find an end to the headache due to false connections and/or loose connections. This is the end of snaking around of wires behind the desktop also.
There are in fact three class categories of range – Class 1, Class 2 and Class 3, which the operation of the device depends on. The highest range of operation falls under Class 1 Radios, which is of 100 meters or 300 meters range. This category is specifically used in case of the industries and generally not for domestic purpose. The second highest range of operation falls under Class 2 Radios, with an operation range of 10 meters or 30 meters. This category has found its scope in case of the mobile devices. Lastly, the Class 3 Radios is used to operate the devices within a very short range of 1meter or 3 feet.
The most lucrative and interesting fact about this technology is that, it transmits not only the data but is equally efficient in managing the voice transmissions as well. By this one can really enjoy a sequence of remarkable facilities of hands-free systems for almost all the electronic devices – starting from a mere mobile phone to the hi-tech Personal Digital Assistants with an exceptionally low power consumption property. This wireless communication technology enables a wide range of electronic devices, like a digital camera, a PDA, a mobile phone and a laptop, to get wirelessly interconnected and coordinated to perform a wide varieties of tasks simultaneously with astonishingly high degree efficiency. The Bluetooth technology has cast a serious favorable impact on the modern industrial, medical, and other scientific aspects – accelerating the scientific advancement to a far higher pace.
Bluetooth connects a device to the other through the latest network system – commonly called “Piconets”. This technology smartly operates at 2. 40 GHz to 2. 485 GHz ISM band, while only the former (i. e. 2. 40 GHz) is unlicensed and easily available in most parts of the world. ISM, here, refers to Industrial, Scientific and Medical band. While operating, Bluetooth technology uses spread spectrum, frequency hopping and full-duplex signal at a rate — as lower as – 1600 hops per second. AFH — Adaptive Frequency Hopping is another supportive technology, which makes the Bluetooth interference tolerant. This enables Bluetooth to send and receive an interference free transmission. The latest version of Bluetooth technology is 2. 0+ Enhanced Data Rate, which supports a data rate of 3 Mbps. This version was adopted in the year 2004, November. Prior to this, 1. 2 version was adopted in 2003, November, which supports at most 1 Mbps data rate.
The world is on move with Bluetooth and this technology has earned the worldwide acceptance for it high degree of reliability and efficiency. Science is taking a new turn and is going to get a new shape. Bluetooth will likely become a household name to everyone in the world as well.
Do You Understand The Bluetooth Technology ?

With every passing month, it seems that more electronic devices are touted as being Bluetooth enabled. And, while many people are excited about the advent of its new products, others are left scratching their heads wondering, “What is Bluetooth?”
Bluetooth mobile wireless technology has become one of the leading technologies for wireless communication world wide. The reason it has become so popular around the globe, in just a few short years since its introduction, is because it allows phones, computers, PDAs and other electronic devices to easily communicate with the other enabled devices nearby. The range of its networking is limited to a short range of about 30 feet.
Bluetooth utilizes radio waves, in the non-licensed range of 2. 4 Gigahertz. This system has been designed with the intention of providing a secure and an inexpensive way to connect with and exchange information between other devices alike, all without the need of wires.
What is Bluetooth technology mainly used for? The Bluetooth mobile wireless technology has quickly become the standard for all wireless methods of communication. It can now be found integrated into the latest and most popular models of handheld computers, laptops, PDAs, printers and headsets, not to mention cellular phones. Manufacturers are finding more and more products to add the technology to, as the demand for this enhancement increases.
In addition to the Bluetooth wireless phone models, which are probably the most prevalent type of devices on the market, you can now also find its headphones and speakers. It is expected that other Bluetooth wireless audio and video products will continue to be brought to the marketplace.
With this type of advancement, it is conceivable that some day the only wires you will need to tame, will be the power cords that some of these devices will need for their power supply. That would be a welcomed change from the tangles of cords and wires that are common in home offices and entertainment areas.
One of the best features, is that all its enabled devices function on a standard protocol. This means that all transmission of data and voice signals between two of its devices, even if they are produced by different manufacturers, is straightforward and simple to implement.
It was the need for a standardized communication convention that prompted the development of Bluetooth technology. Rather than the need for each manufacturer to establish their own standards, and thereby limit the connectivity to other devices made by the same company, they can simply implement the Bluetooth wireless technology networking standard. This simple approach has made it a global solution used by all manufacturers and benefiting the end-user significantly.
Some of the other advantages of Bluetooth are: data transfers that are fast; communication with other devices alike that are not in a direct line of sight (as required by the infra-red protocol); inexpensive circuitry and components; the ability to transmit both data and voice concurrently.
This technology has been on the market for almost a decade. One of the reasons it is relatively inexpensive and widely used is because the original developer, Ericsson, has made the specifications royalty-free so manufacturers do not have to pay to implement the technology in their devices. Because of this, the use of Bluetooth technology is expected to expand and soon no one will be left asking the question, “What is Bluetooth?”
Bluetooth Not A Toothbrush But A Powerful New Wireless Technology

Do not study this guide if you are looking for a special type of toothbrush. Do not bother to read this guide if you are investigating facts about the various tooth whiteners. Do not set-aside time to examine this guide if you are intent on the discovery of more information about dental schools. Do read this article if you have an interest in technological developments.
Bluetooth does not describe a dental condition in which a patient has blue teeth. The term “Bluetooth” signifies a special new technology, a technology of the 21st Century. The devices with Bluetooth technology allow the user of such devices to conduct 2-way transmissions over short distances. Usually the distance between the communicating Bluetooth devices runs no more than 150 feet. . The individual who has access to two or more devices with Bluetooth technology has the ability to carryout such short-range communications.
One big advantage to having access to some of the devices with the Bluetooth technology is the opportunity one gains to conduct a “conversation” between mobile and stationary technological items. The Bluetooth car kit underlines the plus side of having access to the Bluetooth technology. The Bluetooth car kit sets the stage for a “conversation” between a mobile and a stationary electrical gadget.
For example, the Bluetooth car kit permits a cell phone in the garage to communicate with a home computer. Thanks to Bluetooth, a car driver with a cell phone could sit inside a car and send a message to a home computer. By the same token, Bluetooth technology could allow a car to send a message to a personal computer. Such a message could inform a car owner that the motor vehicle sitting in the garage needed an oil change, rotation of the tires or some other routine procedure.
Not all of modern automobiles come equipped with Bluetooth technology. So far only Acura, BMW, Toyota Prius and Lexus have chosen to provide the consumer with this special feature. In order for the car owner to benefit from the potential of Bluetooth technology in a motor vehicle, all of the devices with that technology must use the same type of profile.
For example, if a car audio system contains devices with the Bluetooth technology, then any of the communications that take place between those devices require Bluetooth equipment that uses the same profile. Such restrictions typically specify that the Bluetooth car kit will work only if all of the inter-device communicating involves equipment that operates under the hands-free profile. In other words, a Bluetooth car kit would not be expected to allow a cell phone with a headset profile to communicate with a computer that had a dial-up networking profile.
Of course Bluetooth technology is not confined to the automobile. It has also been responsible for allowing young teens to listen to music from an iPod, while at the same time being equipped and ready to handle any number of cell phone calls. On other occasions those same teens might choose to use the Bluetooth technology to send selected images from a digital camera to a home computer.
The Bluetooth technology has demonstrated the ability to lay the groundwork for creation of a mobile entertainment system. It could also facilitate the quick assembly of an operating and mobile office space. The father of the young teen who was listening to a iPod could very-well be the traveling business man at the airport, the man who must wait for a delayed flight. Access to the Bluetooth technology would give such a man the ability to set-up a temporary “office” in the airport terminal.
Once that same traveling businessman had reached his destination, and once he had settled in a motel room, then he might use the Bluetooth technology to send signals from a laptop computer to a printer server. Both younger and older adults have demonstrated that Bluetooth technology is definitely a technology of the 21st Century. Who could guess that the Bluetooth technology got its name from King Harold, “Bluetooth,” of Denmark, who lived back in the 10th Century? King Harold sought to unite the countries of Scandinavia, much as the Bluetooth technology helps the different types of informational devices to work in unison.
Bluetooth Technology

Bluetooth Technology
What is Bluetooth?
Bluetooth technology is a type of the wireless technology that eliminates the need for the number of inconvenient cables and devices that are used to connect the computers, mobile phones, digital cameras, handheld devices and new digital appliances. Bluetooth enables the users to connect to a wide variety of telecommunication and computing devices easily, without cables.
It makes rapid ad hoc connections, automatic unconscious connections between two or more digital devices. Bluetooth provides the opportunity of using the mobile data in different applications. Bluetooth makes wireless communication between the two devices in a localized area of a room of office or home very easily. Bluetooth technology uses radio-based links and all the connections between the devices and invisible and instantaneous.
By Bluetooth technology your laptop can send print request to a printer in your next room. Bluetooth is actually a standard for wireless communication between the devices in a relatively small area and it is therefore works fine in the personal area network (PAN) using radio frequency.
Any two devices that follow the Bluetooth standard can communicate with each other. A number of the Bluetooth devices like digital camera, mobile phone and handheld pc can form a network. You can send emails to your mobile phones from your laptop without any physical connect between your laptop and your mobile phones.
Features of Bluetooth technology
• Bluetooth technology uses radio waves for communication in 2. 4 GHz
• It supports multipoint communication not just point to point.
• Bluetooth works in a small area of 10-15 meters.
• Bluetooth offers speed of 1-2 Mbps.
• Bluetooth chipsets are less expensive though more expensive than IrDA.
How Bluetooth Technology Works
Bluetooth is a high speed wireless link technology that uses the radio waves. It is designed to connect the mobile phones, laptops, hand held devices and portable equipments with almost no work by the end users. Unlike infrared Bluetooth does not require line of sight between the connecting units. Bluetooth technology is a modified form of the current Wireless LAN technology and it’s more acceptable for its relative small size and low cost.
The current circuits are contained on a circuit board of 0. 9 cm square and a much smaller single chip version is in development and soon it will be in use. The cost of the Bluetooth device is expected to fall rapidly. Bluetooth chip has to be equipped in many devices. In Bluetooth technology, small and inexpensive transceivers have been placed in the digital devices. The radio waves operate at 2. 45 Ghz band on the Bluetooth devices. Bluetooth supports the data speed up to 721 Kbps and 3 voice channels. The Bluetooth chip can either be built into the devices or it can be uses as an adapter. In computer it can be used with the USB port. Each Bluetooth device has a 48 bit address from the IEEE 802 standards and the Bluetooth connections can be either point to point or multipoint. Bluetooth range is 10 meter but it can be extended up to 100 meters by increasing the power.
Bluetooth devices are protected from the external interference because they change their frequency up to 1600 times in a second. Bluetooth radio technology provides the bridge between the existing data network. Bluetooth guarantees security at the bit level and the authentication is controlled by the end user by using 128 bit key. An important face of the Bluetooth technology is that it instantly forms a network when two or more devices come closer in the range of each other.
Bluetooth Technology Benefits
Bluetooth technology is a convenient choice of communication in a wire free, short range environment. Bluetooth is a globally available standard for connecting the devices like mobile phones, digital cameras, laptops, MP3 Players, cars, stereo headsets etc. Bluetooth enable devices do not need to install any drivers. The key benefits of the Bluetooth wireless technology are its built-in-security, low cost, easy of use, robustness, and ad hoc networking capabilities.
The Bluetooth wireless technology is available globally. Many manufactures from the different companies are busy to implement the technology in their products. Bluetooth technology operates in the 2. 4 Ghz, one of the unlicensed, industrial and scientific radio band. Bluetooth technology is a free of charge service but your mobile phones set should support the GSM and CDMA technology.
Today mobile phones have built in capabilities and Bluetooth functionalities in them. Bluetooth technology is available in the different range of the devices like mobile phones, automobiles, medical devices, industries and enterprises etc.
Due to the key features of the Bluetooth technology like low power consumption, low cost and wireless features make it more popular. Bluetooth technology does not require any fixed infrastructure and it is very simple to install and setup.
No wires are required to connect the Bluetooth devices. You can connect to other Bluetooth enabled devices anytime if they come in your range. Bluetooth wireless technology is widely supported and is secure wireless standard today. Bluetooth devices has built-in security features such as 128 bit encryption and pin code authentication when Bluetooth devices identify themselves they use the pin code when they first time connect.
Bushra Bashir
http://www. networktutorials. info