Patent ID: 9330293
Filing Date: 2016-05-03
CPC Classification: G06K

Claim Text:
1. An article to which a visual code is attached, wherein the visual code comprises: a frame pattern which is formed in a shape of a polygonal or round ring by arranging a first plurality of pattern elements each of which has one of at least two colors; a symbol pattern placing area which is formed inside the frame pattern, and in which a symbol pattern can be placed, the symbol pattern being formed in a shape of a symbol by arranging a second plurality of pattern elements each of which has one of at least two colors; an internal information pattern which is formed as a part of the frame pattern by arranging a predetermined number of pattern elements included in the first plurality of the pattern elements forming the frame pattern, and indicates the presence or the absence of the symbol pattern in the symbol pattern placing area; and a guide pattern which is placed on, inside or near the frame pattern, and is used for a visual code reading apparatus having an optical reading function to recognize a positional relationship between the frame pattern and the visual code reading apparatus.