The concept is certainly familiar, and functions in much the same way as a QR code, generating flashing light that's invisible to the human eye instead of a cumbersome 2D square.

ENGADGET: NewsFlash uses high-frequency light to transmit data from iPad to smartphone, we go hands-on (video)

Garmin's new multi-controller concept provides a new and unique way of controlling essential functions of an in-car infotainment system, such as audio, apps, communications and navigation.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig