Future Tech Mobile

Visible-light communication

Interesting concept. I can see many possible uses in the dental office but wonder about the direct line of sight issue. Reminds me of the old IR devices. If they could not “see” the receiver they did not work.

AMONG the many new gadgets unveiled at the recent Consumer Electronics Show in Las Vegas was a pair of smartphones able to exchange data using light.

via Visible-light communication: Tripping the light fantastic | The Economist.

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