Storage disk cartridge
Storage medium cartridge having an integral key
Structurally rigid disk cartridge adaptable to eliminating relat
Structure for moving a shutter provided slidably on a disk cartr
Structure for moving disk cartridge shutter
Structure for preventing misinsertion of disc cartridges
Structures for fixedly supporting tape guides in a magnetic tape
Synthetic resin disc cartridge shutter having non-engaging raise
System for recording and/or reproducing information signals, as
System for recording and/or reproducing information, including a
System for recording/reproducing signals on/from a magnetic tape