G - Physics
11
B
352/33.3
G11B 23/03 (2006.01) G11B 11/105 (2006.01)
Patent
CA 1326549
ABSTRACT OF THE DISCLOSURE A disc cartridge having a cartridge body in which a magneto-optical disc is rotatably accommodated in a hermetic-fashion so as to be capable of recording and/or reproduction. The cartridge body has a concave cut-away portion extended from an insertion side end face of the cartridge body to a central portion of the cartridge body to introduce external magnetic field generating means which generates an external magnetic field to record an information signal on the magneto-optical disc accommodated within the cartridge body.
611008
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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