20100224687 | Information Indicating Memory Mark - An information display memory mark is comprised of a many-sided figure with many cells combined vertically and horizontally and includes at least of a first element, a second element and a data unit. The information display memory mark is characterized in that the first element and the second element represent a cell size and a direction of each side of the information display memory mark as detectable data and the second element is disposed at at least one corner out of individual ones of the information display memory mark and the first element is disposed at the number of corners different from the second element out of the remaining individual corners, so that top, bottom, left and right of the information display memory mark can be detected. | 09-09-2010 |