Barcodes show up under black light

IBM Japan and Connect Technologies co-developed a system for printing and capturing/decoding "invisible" 2D barcodes using special ink that responds to black light. Yes, the barcodes show up only when they are exposed to black light.

In their usage scenario, they talk about a cell phone that has a camera and a blacklight LED for lighting.

reBlogged from wonderful RFID in Japan

emily | 1:11 PM | Barcode Technologies / RFID Tags / NFC |
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