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TRANSCRIPT
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RFID & ITS APPLICATION
Member:
CAI Binbin(15250423)
GCIT1015
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FLOW OF PRESENTANTION
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Introduction Applications Survey Result Video Conclusion
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RFID
• RFID = Radio Frequency Identification
• Electronic labeling and wireless identification of objects using radio frequency
• Tag carries with its information
• a serial number
• Model number
• Color or any other imaginable data
• When these tags pass through a field generated by a compatible reader, they transmit this information back to the reader, thereby identifying the object
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RFID COMPONENTS• A basic RFID system consists of these
components:
• A programmable RFID tag/inlay for storing item data;
• Consisting of an RFID chip for data storage
• an antenna to facilitate communication with the RFID chip
• A reader/antenna system to interrogate the RFID inlay
• Application software and a host computer system
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RFID TAG
• The RFID tag consists of an integrated circuit (IC) embedded in a thin film medium.
• Information stored in the memory of the RFID chip is transmitted by the antenna circuit embedded in the RFID inlay via radio frequencies, to an RFID reader
• 3 types
• Passive
• Semi-passive
• Active
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TYPES OF RFID TAGS
Active Tags
• Use a battery
• communicate over distances of several meters
Semi-passive Tags
• Contain built-in batteries to power the chip’s circuitry, resist interference and circumvent a lack of power from the reader signal due to long distance.
• They are different from active tags in that they only transmit data at the time a response is received
Passive Tags
• Derive their power from the field generated by the reader
• without having an active transmitter to transfer the information stored
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APPLICATIONS
Frequency Appx. Read
Range
Data Speed Cost of
Tags
Application
Low Frequency
(125kHz)
<5cm
(passive)
Low High • Animal Identification
• Access Control
High Frequency
(13.56 Mhz)
10 cm – 1m
(passive)
Low to
Moderate
Mediu
m to
Low
• Smart Cards
• Payment (paywave)
Ultra High
Frequency (433,
868-928 Mhz)
3m -7m
(passive)
Moderate to
High
Low • Logistics and Supply
Chain
• Baggage Tracking
Microwave (2.45 &
5.8 Ghz)
10m -15m
(passive)
20m – 40m
(active)
High High • Electronic toll collection
(Autotoll)
• Container Tracking
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CURRENT APPLICATIONS
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APPLICATIONS
Credit Cards with RFID
(Paywave function)
Octopus (Smart Card)10/15/2015RFID & Its Applications
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APPLICATIONS
Autotoll (Electronic toll collection)
Access Control10/15/2015RFID & Its Applications
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ONLINE SURVEY
• Target: SME
• Information: Opinion on RFID and its applications
• Site:
• http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4
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SURVEY RESULT
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6%
23%
24%
29%
6%
12%
Types of the companies answersing the
questionnaire
Educati
on
Manufa
cturing
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FURTHER DEVELOPMENT
• In medical uses and library management
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VIDEO
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CONCLUSION• Positive
• RFID is a contactless reading technology and can read through other materials
• Hold more data than barcode does
• RFID tags data can be changed or added
• More effective, bring lots of convenience to us
• Negative
• Cost is relatively remain high (compare to barcode)
• RFID signals may have problems with some materials
• RFID standards are still being developed
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