Snap-action cartridge for recording disc

Sound recording and reproducing apparatus using a cassette havin

Spindle aperture reinforcement for a floppy disk

Spring assembly for biasing shutter of a disk cassette

Spring means for biasing a tape against a head inserted in a cas

Spring mechanism for lid of video cassette

Static inhibiting bars for videotape cassette

Static reduction in magnetic record disk assemblies

Static reduction in magnetic recording cassettes

Storage cassette for a disc-shaped information carrier

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