RFID is an abbreviation for radio frequency identification which means the tiny electronic devices consisting of a tiny chip and a radio extender or antennae. The latter is able to carry two thousands bytes of facts and figures or below. RFID can be used in business in several ways which include the fact that it enables business firms and organizations to create uses or applications which lead to some important value. The major use of the technology is the tracking of assets (Matt 81). Firms can put the RFID tags on assets which get lost or stolen; those which are not utilized well or are not located easily at the time when they are needed. It is also used to enhance productivity and cost evasion, minimization of the cycle period and taking costs out, improved utilization of resources, increase the input in terms of revenue and lastly minimize the uncertainties in business and enhance the control of the assets in the business. RFID is used by the suppliers, manufacturers, retailers to obtain, keep, plan, organize, manage, retrieve and evaluate information on business activities or undertakings, inventory and other various functions through the provision of good access to authentic processed facts and figures. It can also be used to keep and give up to date records of inventory and other various assets.
History of RFID
RFID is claimed to have been developed during World War II. Germans, Japanese, Britons and Americans were all in war and they were looking for a way in which they could be able to know the planes that were approaching. Initially, there was the use of radar to warn of a coming plane way before the plane arrived. The problem with this is that it could not be determined whose plane it was, whether it was for the enemy, or their own. The Germans discovered that if the pilot rolled their planes while they were returning to the base, the radar signal would be changed. This is the first crude development of RFID. The British developed a system where they placed a transmitter in each of the British plane. This was under identify friend or foe (IFF) project. This is the basis of RFID technology. In the transmitters in the British planes, signals would be sent to them and would respond by transmitting a signal back to the base station indicating that the plane was friendly. In RFID technology, there is the use of a transponder which is placed in the device that is to be checked. The responder will respond with either a signal (referred to as passive system) or broadcast the signal (referred to as an active system). From then on, research was done to find out how radio frequency could be used to identify things which have not been paid for.
The first patent for the use of this technology was received by Mario Cardulllo, is the first patent receiver for an RFID system which used rewriteable memory. This was in January 23 1973. In the same year, a California entrepreneur, Charles Walton, received a patent for passive transponder would enable one to unlock a door without the use of a key.
There are a number of applications of RFID; the tracking of lost animals by use of the tags which are inserted under the animal skin, the tracing of items made of wood or even trees, accessing of the applications through the use of credit cards. It is also used in medicine where there are tags which are used to trace the samples of tissues, blood and other critical fluids. These are high frequency tags which are very sensitive to human tissues and fluids and have low ranges of up to three inches.
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