| 摘要 |
PURPOSE:To make alarm the duplicated memory of the same information or similar information, by comparing the scheduled information before and at present and discriminating whether or not the result is within permissible range. CONSTITUTION:When the scheduled information DATA is stored in the new information storage unit MR, the comparison of the content between the output X of the storage unit nR and the memory unit n1 is made at the first subtractor SUB1 at the timing signal T1 in comparison mode. The result of comparison is given to the second subtractor SUB2 and if it exceeds the permissible value 2, specific signal is produced to the output section OUT. |
