| 摘要 |
<p>PURPOSE:To attach a superior anti-bending property and to make hard to receive damage due to the bending deformation of a card and to keep a long service life by using both an internal battery formed in sheet shape with thin thickness and a solar battery. CONSTITUTION:A multifunctional card 11 is formed in rectangular flat shape, and a large number of function keys 12, a liquid crystal display device 13 to display required information, and the solar battery 14 as a second power source are provided at the card. On the back plane of the card 11, an IC contact 15 connected to a built-in IC and a magnetic stripe 16 to store recording information are provided, and the internal battery 17 as a first power source is incorporated in the inside. The battery 17 is distributed extending widely over the lower plane of the keys 12, and is arranged in a sheet state with thin thickness with the superior anti-bending property, which makes hard to receive the damage due to the bending deformation f the card 11, and the imperfect contact of the battery 17 can be evaded. Also, by using the battery 14 and the battery 17 simultaneously, the long service life can be guaranteed.</p> |
