A CODED LIGHT DEVICE, AND A PRODUCT INFORMATION SYSTEM COMPRISING SUCH A CODED LIGHT DEVICE

摘要

A coded light device comprising a light source configured to emit coded light, an identifier detection unit configured to detect a product identifier, and a processing unit having a code generator configured to generate a product-related code on basis of the product identifier, and a light source controller configured to control the light source to emit the product-related code by coding its light output.