MACHINE READABLE CODE AND METHOD AND DEVICE OF ENCODING AND DECODING THE SAME

摘要

A machine readable code, a code encoding method and device and a code decodi ng method and device are provided. This machine readable code includes a data area (11) made up of at least one data cell, in which different colors or shades are encoded and expressed depending on the content of the information . Various types of information can be expressed in a code image using colors, shades, shapes and/or pattens according to the present invention. The code system according to the present invention enables to encode more diversified and voluminous information compared to the other codes of the prior arts.