| 摘要 |
<p>PURPOSE:To obtain a liquid crystal display card capable of being corrected or changed freely and simultaneously, capable of being used repeatedly by making a liquid crystal panel display a bar code. CONSTITUTION:A card main body 1 is provided with a solar battery 2 and the liquid crystal panel 3. The bar code 4 displayed on the surface of the liquid crystal panel 3 is constituted so that various kinds of information are converted into the bar code and can be displayed on it. Accordingly, by only changing the bar code 4 on the liquid crystal panel 3 or only changing the contents of a storage device, a large quantity of information can be changed flexibly. Thus, work to fill up a management table like a change table successively by an operator becomes unnecessary, and can be made unattended, and simultaneously, a personal mistake can be reduced, and in addition, the card can be used repeatedly.</p> |
