FIELD: physics.
SUBSTANCE: visual code generating device generates a code space (11) by assembling a plurality of cells (12) in a grid, selects one or more cells (12) from among the plurality of cells (12) in the code space (11) and by arranging pattern elements (15) in each of the selected cells (12), forms a symbol assembling pattern (13) representing a message which can visually identify a person. Furthermore, to form a symbol assembling pattern (13) in the plurality of cells in the code space (11), cells (12) in which pattern elements (15) were arranged are turned on, and cells (12) in which pattern elements (15) were not arranged are turned off. A display code (1) in which added information different from the message is added to a symbol parameter, which is binary information defined by an active/passive state, is attached to the article.
EFFECT: enabling direct and visual transmission of a message to a person and indirect transmission of information, different from the message, to the person using a device having an optical reading function.
15 cl, 14 dwg
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