| 摘要 |
<p>A tape cassette having a projector insertion recess provided in the bottom of the cassette adjacent the cassette front between supply and take-up reels enclosed within the cassette, light receiving window apertures provided in both side walls of the cassette to allow the light from a light emitting element inserted in the projector insertion recess to be passed laterally therethrough, and a lid pivotably mounted on the front side of the cassette via arms pivoted on the side walls, so that in a stored condition, the light receiving window holes are closed by the arms of the lid, characterised in that baffles are provided adjacent the light receiving window apertures provided in both the side walls of the cassette into the cassette via the apertures, thus preventing dust from entering the cassette</p> |
