Invisible QR Codes for Televisions | Wireless Watch Japan - 2 views
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John Pearce on 06 Nov 12"Fujitsu has developed an interactive technology that would bring the viewer the same opportunity for a second-screen experience, without intruding into their first screen experience. The new technology would add lights that are discernible to a phone camera but not to the human eye to a video stream, creating, essentially, a scannable light-based QR codes."