Can RFID Identify Game Players?

By RFID Journal

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Ask The Experts › Can RFID Identify Game Players?
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RFID Journal Staff asked 12 years ago
I would like to use RFID as part of an interactive game. Can it be implemented to identify a player quickly, and to give feedback that affects computer output?

—Name withheld

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Yes. The velocity of radio waves is slightly less than the speed of light (186,000 miles per second) in the Earth’s atmosphere, so the amount of time it takes for a reader and tag to communicate is almost instantaneous.

If you need to write to a tag, that can take longer. The biggest issue is likely to be the amount of time required by a computer to look up which player is associated with which tag in the database, and then to respond accordingly. If you have a fast computer and a dedicated link between it and the interrogator, you should not have an issue.

—Mark Roberti, Editor, RFID Journal

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