| 摘要 |
<p>PURPOSE:To prevent previously a magnetic tape from being damaged due to misinsertion of data cartridge by narrowing a notch of a base plate of a cartridge in width in the forward and backward direction. CONSTITUTION:The new data cartridge C2 using a magnetic tape expanded in tape width and increased in recording capacity is constituted in such a way that out of outside dimensions X, Y and Z, only X which is the width in the direction of right and left, is formed slightly larger than that of the existing data cartridge C1 using a 1/4 in. magnetic tape, and other dimensions Y and Z are the same as the C1. Rear ends 14b of one pair of right and left notches 14 of the base plate 2 of the C2 are projecting in the direction of an arrow (a) by several mm, and the width of the notches 14 in the forward and backward direction is smaller than the width of one pair of notches 14 of the C1 in the forward and backward direction by several mm. Then, when the C2 is misinserted into a recording and reproducing device in the direction of (a), one pair of right and left projecting parts 91 formed on the plate 2 are caught by an inserting hole part, and hence its misinsertion is infeasible.</p> |
