| 摘要 |
<p>PURPOSE:To ensure the semipermanent use of a portable information storage medium by providing a loadable/unloadable battery in a case to drive a processing part and then attaining replacement of the battery. CONSTITUTION:A case 1 is divided into a base part 1a and a cover part 1b on the basis of a fold 2. A processing part 3 including a memory, a microprocessor, etc., is embedded in the left inside of the part 1a, and a recess part 5 including a cover 4 that can be opened and closed is formed at the right side of the part 1a respectively. The part 5 also includes a holder which stores a battery E of a button type, etc. The power is supplied to the part 3 when the battery 3 is set in the holder. Meanwhile a window 8 covered with a transparent cover 7 is provided on the surface side of the part 1b, and a space is secured at the lower side of the window 8 to store a sheet-shaped object. Then a sheet (b) showing an available period and an entraining section of a non- contact type commutation ticket (a) is put into the space through a slit 9 formed on the rear side of the part 1b.</p> |
