As this website is
keyboard related and these days everybody
talks about wireless keyboards, let us try to understand some important
about wireless keyboards and Bluetooth.
Wireless keyboard helps you to use your computer at a distance
which is very convenient for you. For example lying in the bed. The
can be used with computers with Bluetooth support at a distance of 10
The keyboard does not have USB ports, and it uses two way
transmissions of data by means of Radio frequency. Some of these
got backlit support which means it can be operated in dim light or even
is no light at all.
transmit data between the equipments like CPU and
Keyboard, or between Monitor and CPU, you need cables to connect
The idea of transmitting information without the help of cables was
with the introduction of Bluetooth.
above mentioned devices have got special chips which
uses radio communication systems. Depends upon the power class, it can
operated within 1 meter, 10 meters or even more. When these instruments
within the power class range you are in contact with each other. So the
transformed from a transmitter Bluetooth chip to a receptor Bluetooth
exchange of information can be possible between many devices if all of
fall within the range. For example if you need to transfer information
mobile phone to different mobile phones, you keep all mobile phones
with in the
range. If there is walls between them still the data transfer is
an infrared signal, a direct line of sight between the
transmitter (remote) and the receiver should be there (TV). For
example, a TV
remote is a transmitter and the TV is the Receiver. If there is a wall
blockage between them, the signal will not go through it. So for the
exchanging confidential information infrared is the best. It takes
between two devices only, where there is a receiver and a transmitter.
Return to Remembering your Keyboard Shortcuts Homepage