Beyond the BarcodeRFIDsRadio Frequency Identification

History of RFIDs

• WWII: IFF- Identify Friend or Foe

• Tagging Livestock

• Tagging Nuclear Devices

• Tracking Railroad Containers

http://www.ftc.gov/bcp/workshops/rfid/engels.pdf

How RFID Works

Types of RFID

• Passive RFID

• Semi-Active RFID

• Active RFID

http://www.ftc.gov/bcp/workshops/rfid/engels.pdf

Current Usage

• Inventory Management

• Security• Passports• Hospital Patients

Current Usage

• Credit Cards

- SpeedPass

- American Express

• Car Keys

• Toll Collection

The Future

• Store Shelf Management

• Household Applications- Refrigerator- Washing Machine

• Medical Information

• Supply Chain

Ethical Concerns

• Digital Pickpockets

• Big Brother– Richard Stallman– Too much data?

• Economic Concerns– Reduction of unskilled jobs

Limitations of Technology

• RFIDs can be destroyed– Maliciously or inadvertently– Workaround with capacitors?

• Range

• Accuracy

• Power Source

• Cost

Summary

• Wide Range of Applications

• Costs Continue to Decrease

• RFIDs: Here to Stay

Works Cited

• http://en.wikipedia.org/wiki/Rfid• http://jproc.ca/sari/sariff.html• http://www.rfidjournal.com/article/articleview/1338/1/129/• http://people.interaction-ivrea.it/c.noessel/RFID/RFID_timeline.pdf• http://www.ftc.gov/bcp/workshops/rfid/engels.pdf• http://www.ethlife.ethz.ch/images/stallman-m.jpg• http://static.howstuffworks.com/gif/pickpocket-intro.jpg• http://perens.sourcelabs.com/• http://www.computerworld.com/softwaretopics/erp/report/• http://www.cs.hku.hk/~clwang/RFID/Picture10.png• http://islab.oregonstate.edu/koc/ece399/f03/explo/gragg.pdf