| 摘要 |
<p>PURPOSE:To make visual recognition of information stored in a card easy and certain by a method wherein a liquid and magnetic powder afloat in the liquid and taking effect from a magnetic field are contained in microcapsules arranged in a recording layer laid by coating on a base of a magnetic display section. CONSTITUTION:An information storage section 4 and a magnetic display section 10 are laid on a base of a card for collecting pinball game prizes. The information storage section 4 is made up of a magnetic tape or an IC memory, and the magnetic display section 10 has a base and a recording layer containing microcapsules that is laid by coating directly, or through an intermediate layer, on the base. A 1-liquid and magnetic powder that is afloat in the liquid and takes effect from a magnetic field are contained in the microcapsules. The information is recorded, in accordance with the information stored in the information storage section 4, in a visible form on the recording layer of the magnetic display section, and is erased from the layer.</p> |
