| 摘要 |
PURPOSE:To reproduce a recording medium of the number of premium balls, to curtail expenses for repurchase, and also, to protect resources and to decrease a refuse public hazard by writing in and recording the number of premium balls in a card prototype which can record and erase a character, etc., by heating. CONSTITUTION:In: a premium exchange card 10, a display 11, a display 12 of a name of a game hall which is used, a display 13 of a date of use, a display 14 of the term of validity, a display 15 of 'money left over', and a display 17 of 'number of premium balls' are printed. In a frame display 16, a display 21 of the amount of money of the money left over obtained by subtracting the lend purchase money amount from the amount of money thrown in by a ball lending machine is written and recorded by applying prescribed heat. In a frame display 18, a display 22 of the number of premiums is written and recorded by applying prescribed heat in the same way. In a space between the display 13 and the display 14, the number of premium balls, the amount of money left over, a date, a hall symbol, and also, a bar-code display 25 being a code related to security are recorded. |
