G - Physics – 11 – B
Patent
G - Physics
11
B
352/31.1
G11B 23/087 (2006.01)
Patent
CA 1216937
ABSTRACT OF THE DISCLOSURE This specification relates to a construction of a magnetic tape cassette. The specification discloses a magnetic tape cassette whose A and B sides are easily dis- tinguishable from each other and which also permits ready identification of either the feed or takeup hub in the cassette housing from the outside. The magnetic tape cas- sette disclosed herein is characterized in that transparent upper and lower housing halves are mated together at surround- ing walls so that the interior is visible from the outside, and each said half is lined with a transparent lubricant sheet and is provided with a mark of letter A or B in color assigned to, and indicative of, the A or B side and also provided with a strip of label extending centrally and longi- tudinally of the cassette on a part where the both hubs wound with the tape are visible from the outside, the feed hub visible through each housing half being colored in the same color as the letter and label on the particular half. The construction that characterizes the present invention permits immediate identification of the A or B side by a glance at the letter A or B and the label indicating either side, even in dimly lit places. The two sides can also be easily distinguished from each other while the cassette is set in the recorder. Since the hub visible on a given side and having the same color as the label on the particular housing half is always the feed hub, the user can simply realize which side, A or B, should now come to the front for recording or playback.
456011
Gowling Lafleur Henderson Llp
Tdk Corporation
LandOfFree
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