Information Recognizing Device and Sheet

摘要

An information recognizing device including a first colored area providing excellent durability and easy mounting. The information recognizing device has a first colored area by IR ink; a second colored area WH having a contrast in a visible light region with the first colored area; a communication device for performing infrared light communication through the first colored area; an information reading device for reading information by utilizing the contrast between the first colored area and the second colored area.