Utron Blog

Bluetooth is a specification for the use of low
power radio communications to wireless phones,
computers, and other network wireless devices over
short distances. The name Bluetooth is actually
borrowed from Harald Bluetooth, a Denmark king
more than 1,000 years ago.

The technology of Bluetooth was primarily designed
to support simple wireless networking of devices
and peripherals, which includes cell phones, PDAs,
and wireless headsets. The wireless signals that
are transmitted by Bluetooth cover short distances
of up to 30 feet, generally communicating less
than 1 MPps (Mega Byte per second).

The networks of Bluetooth feature dynamic topology
called PAN or a piconet. The piconets contain a
minumum of two and a maximum of eight peer devices.
The devices will communicate using protocols that
are part of the specification.

Even though the Bluetooth standard will utilize
the same 2.4 GHz range as 802.11b and 802.11g,
the technology isn’t suitable for a Wi-Fi
replacement. When compared to Wi-Fi, Bluetooth
is much slower, limited in range, and actually
supports less devices.

For short range devices, Bluetooth is rapidly
becoming the best. The technology is more popular
with cell phones, as Bluetooth headsets are the
way to go these days. To use Bluetooth, your
cell phone will need to have it enabled, or an
infared device somewhere on the phone.

Upcoming devices are utilizing Bluetooth as well,
such as PS3 and the Nintendo Revolution. The
wireless controllers will be Bluetooth enabled,
which will give players the cutting edge.

If you own a cell phone or other wireless device,
you should look into Bluetooth. The technology
is nothing short of spectacular, making it
something that will be around for years and
years to come. As technology gets bigger and
bigger, you can expect Bluetooth to advance
as well.

With Bluetooth being very popular with wireless, it’s
no wonder there are many applications available for
the technology. Below, you’ll find the applications
for Bluetooth.

1. Wireless networking between laptops and desktop
computers, or desktops that are in a confined space
and little bandwidth is needed.

2. Peripherals such as mice, keyboards, and printers.

3. Cell phones with Bluetooth technology have been
sold in large numbers, as they are able to connect to
computers, PDAs (Personal Data Assistant), and various
other devices. The standard also includes the
support for more powerful and longer range devices.

4. The transfer of files, images and MP3, between
mobile phones.

5. Certain MP3 players and digital cameras to
transfer files to and from computers.

6. Bluetooth technology headsets for smart phones
and cell phones.

7. Data logging equipment that transmits data to
a computer via Bluetooth technology.

8. Sony Playstation 3 and Nintendo Revolution will
both use Bluetooth technology for their wireless
controllers.

For Bluetooth, there are literally hundreds of
different applications and devices available for you
to use or purchase. As you may already know,
Bluetooth is the most popular wireless technology
in the world. It’s very reliable, very dependable,
and very hard to crack into.

There are many other applications for Bluetooth in
development now, many of which plan to take the
wireless age to the next level. Video game systems
are using Bluetooth technology as well, for their
wireless controllers. This is great news for gaming
fans, as Bluetooth offers the best in wireless
data transmission.

If your curious about applications for Bluetooth
that are still in development, you can search on
the internet. You can find all sorts of information,
especially when it comes to Bluetooth. As the
future arrives, you can expect Bluetooth to bring
bigger and better things.

The new Apple powerbook G4 are among the first
computers to offer Bluetooth technology 2.0+EDR.
The 2.0+EDR technology, which still backwards
compatible with 1.0, is up to three times faster
than previous versions, offering maximum data rate
transfers of up to 3 MBps. Being the first company
to certify a system with 2.0+EDR, Apple continues
to make great use of the Bluetooth technology.

Full support
In addition to the powerbook G4 portables, there
are other Bluetooth enabled computers available
from Apple, including the iBook, iMac G5, eMac,
and the Power Mac G5.

Making life easier
When you turn the Bluetooth feature on, your Mac
can easily perform a file transfer or even a
synchronization. From the Bluetooth selection
menu, you can choose to either send a file or
browse devices, quickly and easily. Or, you can
click the sync button in iSync to update your
cell phone or Palm OS handheld.

The Mac and GSM/GPRS mobile phone with Bluetooth
work to make each other more useful. By using
iSync, you can keep your phone updated without
having to type any info, as you can keep the
information in the more manageable address book
on your Mac instead.

You can also use your Bluetooth enabled Mac to
print documents and digital images to select a
printer that also supports the technology of
Bluetooth. Or, you can also use a headset to
talk to your friends during an iChat session.

Your Mac also has the ability to use Bluetooth
technology to communicate with your Palm OS
handheld. This way, you can perform a HotSync
operation without using any cables. You can also
send your business card or calendar events directly
to someone else’s handheld usingthe technology of
Bluetooth.

The implementation of Bluetooth by Apple is the
latest in a series of moves that have caused
great shift in the computer industry. Apple
established USB as the standard interface with
the launching of the first Mac back in 1998.

Since then, Apple established the 802.11 wireless
standard of networking with the launch of the
iBook and AirPort in 1999. During 2003, Apple
launched AirPort Extreme, which was based on
the new 802.11g high speed technology of wireless.

Now, Bluetooth helps to further strengthen the
dominant position of the Mac in wireless
communications, helping to preserve Apple’s
reputation for being the first to market with
innovative technology that integrates right into
the operating system.

With new electrical devices being produced every day,
the problem of connecting things is becoming more
and more complex in nature. The system that comprises
computers and other electronics makes use of varieties
of wires, cables, etc.

These parts will communicate through light beams,
lasers, radio signals, and infrared. The problem
however, is the devices and technology is often the
connection between each component. Therefore, most
electronic systems aren’t used to their full extent
due to the problems and imperfections.

To help simplify things, a solution was created -
the solution of Bluetooth. Bluetooth is wireless
and automatic, offering users a variety of features
that have simplified the art of connection. Bluetooth
has revolutionized the standard methods of connecting
things to enabling almost anything to be connected
to a single system.

Aside from Bluetooth, there are other ways of
connecting wireless devices. One example of such
is the IR or infrared. Infrared allows low frequency
light waves to transmit signals to another component.
This technology is easy to create and the cost of
putting the IR device into a system is rather low.

Infrared technology is a one to one process. Due
to the limitation, you may only send signals from one
device to another, similar to a television set and
remote control. You can only transmit signals
between the two although not with a seperate system.

Aside from the fact that these two natures of
infrared are obstacles to acquiring results, these
same qualities have worked in advantage to the
connection. Infrared devices need to be lined up
directly, meaning too little interference can occur
between the transmitters and receivers.

The technology behind Bluetooth works by transmitting
signals through low frequency radio signals. The
path of communication is working on 2.45 GHz, which
is the same frequency band used in ISM devices.

The technology of Bluetooth is nothing new, but in
many respects it can still seem like more of a buzz
word rather than an accepted technology. You may
see the ads for Bluetooth enabled devices, although
you still may be wondering what it is.

Capabilities
The Bluetooth definition is a wireless technology
that is a worldwide specification for a small form
factor, low cost solution that will provide link
between mobile devices and other electronic
devices.

Similiar to 802.11 b/g wireless and many cordless
telephone systems, Bluetooth operates on 2.4 GHz
radio signals. The 2.4 GHz band seems to be a bit
crowded, with interferences between the devices a
bit hard to avoid. Telephones are now being offered
at the 5.8 GHz frequency band, which will help to
remedy this.

The technical specifications of Bluetooth will
indicate a maximum transfer rate of 723 kbps with
a range of 65 - 328 feet, all depending on the
class of that particular device. The speed is a
fraction of what is offered by wireless standards,
so it’s obvious that Bluetooth doesn’t really
pose a threat to replacing your wireless network.

Applications
There are numerous products that will take advantage
of Bluetooth capabilities, such as laptops, PDAs,
headphones, and even wireless printer adapters.

A lot of laptops out there will include an onboard
Bluetooth adapter which allows the system to
connect to any Bluetooth device right out of the
box. For computers that don’t have an adaptor
built right in, there are several USB adaptors
available for Bluetooth.

For an awesome technology, Bluetooth is actually
hard to compete with. For short range wireless,
Bluetooth is easily one of the best. The standard
for Bluetooth keeps getting better and better,
making it a wireless technology that will be around
for years and years to come.

The technology of Bluetooth wireless is a short
range communications method intended to replace
the cables that connect portable or fixed devices
while maintaining the highest levels of security.

The key features offered by Bluetooth include
low power and low cost. The specification in
Bluetooth defines a uniform structure for a wide
range of devices to communicate and connect with
one another.

The technology behind Bluetooth has achieved
global satisfaction such as enabled devices, almost
everywhere in the world. Bluetooth devices will
connect and communicate without wires through
short range and networks known as piconets.
(more…)

The profile found in Bluetooth will describe how
the technology is used. Profiles can be best
described as vertical slices through the protocol
stack. It will define options in each protocol
that are mandatory for the profile.

The profile will also define the parameter ranges
for each protocol. The concept of the profile is
used to decrease the risk of interoperability
problems between the different products. These
profiles won’t normally define any additions to
the Bluetooth specification, which is why you can
add new profiles where you need them. The
Bluetooth underlying technology is the same, only
the specific method that it’s used is defined.
(more…)

Bluetooth is a high speed, low powered wireless link
technology that’s designed to connect phones or other
portable equipment together with little to no work
required by the user. Unlike infrared, Bluetooth
doesn’t require line of site positioning to work.

Current prototype circuits are contained on a board
that is 0.9 cm square, with a much smaller circuit
board being developed.

When one Bluetooth device comes in contact with
another, they will automatically exchange addresses
and details of capability. Then, they can establish
a 1 MB link with security that they will use as
required. The protocols involved with handle both
data and voice, with a very flexible topography.

The technology achieves its goal by embedding tiny,
non expensive short range tranceivers into the
devices available today. The radio operates on the
2.45 GHz frequency band, and supports up to 721
KBps, along with three voice channels.
(more…)

Bluetooth was designed to allow low bandwidth wireless
connections to become easy to use so even those who
are new to wireless can use them. Version 1.1 of
Bluetooth describes a low power, short range wireless
networking technology that uses radio waves to send
data at rates up to 720 kilobits a second.

The specification for Bluetooth provides for different
classes of radio that allow transmission ranges of
up to 100 meters by boosting the radio power. The
technology of Bluetooth isn’t limited to line of
sight transmission since it uses directional waves
that are capable of transmitting through many
obstructions.

Bluetooth is an industry standard communication of
wireless, meaning that it enables the connection
of other devices as well, such as cell phones,
computers, digital cameras, and other types of
electronic devices. The specification of Bluetooth
defines a radio system and a “stack” of protocol
layers and profiles. The highest layer is the
application layer, while the lowest layer is the
radio.
(more…)

Below, you’ll find a list of the most used terms in
Bluetooth technology. They can serve as a look up,
or to help you learn more about Bluetooth terms in
general.

2 in 1 handset
The situation where a subscriber’s handset is acting
as a remote handset to a base unit that provides a
network connection.

3G
Third generation, referring to the next generation
of digital phone technology.

802.11 WLAN
A wireless LAN specification defined by the IEEE.

Access code
Each base band packet will start with an access code,
which can be one of 3 types - CAC, DAC, and IAC.
(more…)

One of the best things about digital photos is that you can fix them. You can also do photo enhancement on film pictures, but they often do not come out looking like they should. For the most part, if there is something wrong with your digital photos, there are a lot of things you can do to make them look better. You don’t have to be an expert to do this, and it doesn’t even have to take a lot of time.
(more…)