| 摘要 |
PURPOSE: A digital marker is provided to enable a general user notify the authenticity of a product visually without opening or breaking the product. CONSTITUTION: A display unit(11) outputs an electronic identification in order to be check visually. A memory(15) stores a reference time, marks having different forms, and data about the time serial display sequence deciding the mark to be displayed during the successive display section. A timer(17) outputs time counting information. A controller(13) adds up the time counting information in the reference time, and decides current time and the display section in which the current time belongs. The controller selects a mark in order to display during the current display section based on time series order, and displays the mark. |
