15-03-2011, 04:52 PM
presented by:
Saswati Dolai
Sudeshna Medda
[attachment=10235]
Wireless Mouse
Synopsis :
The mouse is an extremely popular technology to interact with our computer. While the majority of mice are connected directly to the computers peripheral input via a cord, wireless mice give computer users cordless accessibility.
A mouse with no cord that transmits infrared or radio signals (RF) to a base station receiver. The infrared type requires line of sight to the receiver, whereas the RF variety uses radio waves that transmit in a wider pattern.
RF wireless mice require two components to work properly a radio transmitter and a radio receiver.A radio frequency (RF) transmitter is usually integrated inside the mouse. The mouse records its movements and buttons that are clicked and then sends this information via radio signals to the receiver.The radio frequency (RF) receiver usually connects to the computer's peripheral mouse input. It receives these RF signals, decodes them and then sends these signals directly to the computer as normal. Most wireless mice have integrated receivers which are very small in size.
The most common type of RF used is the 802.11b or 802.11g. These frequencies operate at 2.4 gigahertz which are very stable and usually have little or no interference in a work or home environment and at these frequencies a mouse can transfer data at pretty quick speeds, usually either 11 Mbps or 56 Mbps. Another technology that is emerging and now beginning to be used in large numbers for wireless mice is Bluetooth RF technology. Bluetooth is similar to 802.11b and 802.11g in that it uses 2.4 gigahertz frequencies, however, it also uses software called adaptive frequency hopping to choose frequencies that have no or little interference.
RF wireless mice are a great technology because of their overall reliability and stability. Infrared technology need to be in "line of sight" in order to work properly which makes using them with a mouse impractical. RF transmitter housed in the mouse requires low power. RF wireless mice are also inexpensive. Wireless mice use optical sensor technology rather than the earlier track-ball system for better accuracy.
Today, there are three different mice technologies- mechanical, optical and laser. Mechanical mice use a small rubber ball to calculate distance and position. Optical mice use optical light to calculate distance and position. A new technology that is out is Laser Mice. Instead of optical light, they use laser light to precisely calculate movement and position.
The process of pairing is required to operate receiver and transmitter on the same frequency. Security is an important issue when we are sending information over the air.
Saswati Dolai
Sudeshna Medda
[attachment=10235]
Wireless Mouse
Synopsis :
The mouse is an extremely popular technology to interact with our computer. While the majority of mice are connected directly to the computers peripheral input via a cord, wireless mice give computer users cordless accessibility.
A mouse with no cord that transmits infrared or radio signals (RF) to a base station receiver. The infrared type requires line of sight to the receiver, whereas the RF variety uses radio waves that transmit in a wider pattern.
RF wireless mice require two components to work properly a radio transmitter and a radio receiver.A radio frequency (RF) transmitter is usually integrated inside the mouse. The mouse records its movements and buttons that are clicked and then sends this information via radio signals to the receiver.The radio frequency (RF) receiver usually connects to the computer's peripheral mouse input. It receives these RF signals, decodes them and then sends these signals directly to the computer as normal. Most wireless mice have integrated receivers which are very small in size.
The most common type of RF used is the 802.11b or 802.11g. These frequencies operate at 2.4 gigahertz which are very stable and usually have little or no interference in a work or home environment and at these frequencies a mouse can transfer data at pretty quick speeds, usually either 11 Mbps or 56 Mbps. Another technology that is emerging and now beginning to be used in large numbers for wireless mice is Bluetooth RF technology. Bluetooth is similar to 802.11b and 802.11g in that it uses 2.4 gigahertz frequencies, however, it also uses software called adaptive frequency hopping to choose frequencies that have no or little interference.
RF wireless mice are a great technology because of their overall reliability and stability. Infrared technology need to be in "line of sight" in order to work properly which makes using them with a mouse impractical. RF transmitter housed in the mouse requires low power. RF wireless mice are also inexpensive. Wireless mice use optical sensor technology rather than the earlier track-ball system for better accuracy.
Today, there are three different mice technologies- mechanical, optical and laser. Mechanical mice use a small rubber ball to calculate distance and position. Optical mice use optical light to calculate distance and position. A new technology that is out is Laser Mice. Instead of optical light, they use laser light to precisely calculate movement and position.
The process of pairing is required to operate receiver and transmitter on the same frequency. Security is an important issue when we are sending information over the air.
