Post on 08-Dec-2014
description
MADE BY:GROUP 1
RFID TECHNOLOGY
Radio frequency identification
Key components of RFID
1} An RFID tag
2} An RFID reader
3} An RFID antenna
4} An RFID station
RFID- Process
Applications of RFID
• Asset management.• Production Tracking.• Inventory Control.• Pricing and Promotion.• Shipping & Receiving.• Regulatory Compliance.• Returns & Recall Management.• Transportation.• Service and Warranty Authorizations.
Advantages &
Concerns Surrounding RFID
• Advantages:- standardized and scalable approach. - reliable and cost-effective.
• Concerns Surrounding RFID:- Privacy concerns.- High investment.- Health concerns.- Limited range.
• Invented in 1948 by Harry Stockman. Initial application was during World War II-The United
Kingdom used RFID devices to distinguish returningEnglish airplanes from inbound German ones. RADARwas only able to signal the presence of a plane, notthe kind of plane it was..
RFID VS BAR CODE• ELECTRONIC ARTICLE SURVELLIANCE SYSTEM OFFERS A TIGHT SECURITY
CONTROL OVER LOSS OF BOOKS • REDUCES HUMAN INTERVENTION TO A GREAT EXTENT , CAN ACT AS A
SELF CHECK SYSTEM • INFORMATION ON THE TAG CAN BE UPDATED WITHOUT REMOVING THE
TAG FROM THE BOOK
• IT IS NOT THE CASE WITH BAR CODES• SYSTEM IS MORE TIME CONSUMING AS A SINGLE ITEM HAS TO BE
SCANNED SEPARATELY.• RESTRICTIONS ON UPDATING INFORMATION ON A BARCODE
RFID CARDS
• RFID INLAY IS INSERTED IN A PLASTIC CARD
• CARD HAS AN ELECTRONIC CHIP AND AN ANTENNA IN IT LIKE A TAG , INSTEAD OF A BARCODE
MID RANGE READER
• IT IS CONNECTED TO A WORKSTATION OR A NETWORK
• READER IS ATTACHED TO A PAD ANTENNA , ON WHICH THE BOOKS ARE PLACED
• SUPPORTS ALL RFID FUNCTIONS, ALLOWING IDENTIFYING MULTIPLE LABELS
CONSTRAINTS COUNTERED WHILE USING RFID
• MANUFACTURING OF RFID HARDWARE IS AT A NASCENT STAGE IN INDIA
• PHYSICAL LIMITATION OF THE TECHNOLOGY IS THE INABILITY TO READ THROUGH METALS OR LIQUIDS
• EXTREMELY HIGH COST OF THE TAG IS A MAJOR LIMITATION
CONSTRAINTS(CONT.)• CAPACITY TO READ DECREASES
AS THE TAG GETS OLDER AND EVEN SOMETIMES IT IS TIME CONSUMING TO READ THE TAG THROUGH BOUNDED BOOKS
• PHYSICAL DAMAGE DONE BY STUDENTS CANNOT BE AVOIDED
• RETURNS ARE NOT VERY ATTRACTIVE AS THE COST OF LABOUR IS NOT VERY HIGH IN INDIA