Sony Corporation

Takanori Inose

Shin Sasaki

A tape cassette having a lid pivotally supported at two side walls of the cassette housing so as to open or close a tape withdrawing mouth has a lid lock member for locking said lid at a closed position. Upon use, the tape cassette is loaded on a recording and/or reproducing apparatus having an optical tape end sensing device formed of a light emitting element and a light receiving element. The lid lock member includes a light leading cover or tunnel piece which coincides with a light path which extends from the light emitting element to the light receiving element. This tape cassette also has an opening formed through its side walls so as to communicate with the light path, wherein an outer end portion of the tunnel piece is inserted into the opening portion.

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Saitama, Japan

Takanori Inose