| 摘要 |
PURPOSE:To fully use extended cards and keep a card storage from enlarging by laminating and storing the extended cards such as plural ROM, RAM, etc., through connecting electrodes stretching long in the laminating direction in electronic musical instruments such as personal computer, etc. CONSTITUTION:A card storing part B is provided in a personal computer main unit A forming a displaying part D and key K along with the electronic musical instrument. A card connecting electrode Y long in the laminating direction is provided in the storing part B, to which the extended cards C0-C2 such as plural ROM, RAM, etc., are laminated and connected, and is stored without enlarging the occupied space by the extended card storing part, thereby enabling full use of the cards. |
