| 摘要 |
<p>PURPOSE:To obtain a mark code in which an error will not occur by small defects such as a dirt and a stain of a character, an information quantity is large and which is beautiful. CONSTITUTION:For example, the first color in correspondence to '1' is black, the second color in corresponding to '0' is white, a rectangular mark including binary information displayed by these colors is arranged longitudinally and horizontally and the circumference is surrounded with the frame which is black, the first color. A special prescribed number of pieces in the rectangular mark (cell) is always the first color (black), and other special prescribed number of pieces is the second color (white). A remaining cell is a cell showing the data, special numeric information can be displayed by assembling the first color and the second color selectively, 256 pieces of data can be displayed by eight data cells at the mark code as shown in the figure.</p> |
