| 摘要 |
PROBLEM TO BE SOLVED: To increase the area of a control circuit board 15 which is attached within a main body frame 3 of a floppy disk device 1 even a little. SOLUTION: A support projection part 20a which supports and positions a disk cartridge 2 within a main body frame 3 is disposed in the area of a control circuit board 15 that is attached within the frame 3.
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