In the classifying management system, in order to store an article in one of several drawers of cupboard, each drawer has a LED and a quartz circuit with special resonant frequency installed in the front panel. The resonant frequency of quartz in some drawers is different from all others, and all the drawer circuit is combined with the computer-controlled RE signal generator in parallel mode. When an article is set, the description of the article is input by the user to the computer with check list of the articles and the corresponding frequencies. Then, the computer makes the RF signal generator send some RF signal corresponding the special frequency to activate the LED in the drawer for the article, so the user can determine the position of the article visually. |