2 ms·
This is not a new idea. Saw a functional demo more than eight years back. Checkout: http://www.talking-lights.com/ http://www.talking-lights.com/
by alok-g 15y ago
This is not a new idea. Saw a functional demo more than eight years back. Checkout: http://www.talking-lights.com/ http://www.talking-lights.com/
- isTravis 15y agoCompletely correct. This is not a new idea at all. However TalkingLights had a huge bandwidth limit because they used flourescent lighting. LEDs can go to much higher speeds - but even still, this isn't new. Researchers in Japan and Boston University have been producing demos for years: http://www.bu.edu/smartlighting/research/smart-light-prototype/ http://www.bu.edu/smartlighting/research/smart-light-prototy... http://www.naka-lab.jp/index_e.html http://www.naka-lab.jp/index_e.html
- cma 15y agoMuch much older than that: http://www.alge.no/ebooks/Optical_tempest.pdf http://www.alge.no/ebooks/Optical_tempest.pdf This technique was used in at least the early 90s