The Uses of RFID Tags
I was at a party and someone asked me what are the uses of
RFID tags. (I guess because i'm an engineer and i should know these sort of things.) So for my first post i thought i would tell the world what i told my friends.)
RFID tags are essentially microchips that act as transponders that communicate between a given chip on an item and an RFID tag reader located in a fixed physical position. When most people hear about an RFID tag it’s usually in some ‘big brother’ context and usually involving the perils of allowing Wal-Mart to track you and that Dave Matthews CD you just bought. But people might miss out on the many societal benefits of
RFID Readers and Tags.
For instance a lot of work is being done with hospital patients.
By implanting an RFID tag in a pre-operative patient you can make sure the ‘wrong’ surgery is never done. They are also being used with seismic sensors to determine fault activity and hopefully give people an early warning system for future earthquakes.
RFID tags are also being embedded in euro currency to avoid counterfeit bill circulation and tags can also be found in shipped goods to reduce theft and the higher prices that come as a result. It is in embedded uses of RFID Tags that the technology has received its strongest criticism. Methods like implanting a pet with an RFID tag may be acceptable to most pepole---but is the same thing okay with a child. And is it a good thing that retailers like Wal-Mart know so much about your purchasing habits.
That being said, it seems that the benefits greatly outweigh the minor inconveniences attached to this controversial technology.