March 11, 2007
Transfer mobile data at fiber optic speeds with visible light
Mobile Mentantalism reports that Matushita of Japan have demonstrated an entirely new way of transferring data: visible light. Yes, not the invisible Infra-Red type, but normal everyday visible light.
"The new Visible Light Communications (VLC) technology can act as a standard light. But stand underneath it with a suitably-equipped gadget, such as a PDA, mobile phone or MP3 player, and you can transfer data straight to your gadget at speeds approaching that of fiber."
Plans for this technology include using it:
-- at exhibitions where you can stand underneath a VLC lamp and download info from the display
-- in cameras and camera phones, with the optics from the camera lens being used to receive the data
-- in electronic advertising signs, letting you download data about the product being advertised
-- in cars, where your car's headlights can communicate with traffic lights
-- in your home gadgets as a new form of ultra-fast remote control
-- in the office, with a VLC-equipped desk-lamp being used as a modem for your laptop
-- pretty much anywhere you currently use Wi-Fi
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