Magnetic-tape cassette and reel-locking device suitable for use

Magnetic-tape cassette comprising a pressure-member support, and

Magnetic-tape cassette having a capstan cleaning device

Magnetic-tape cassette having an element for cleaning a tape dri

Magnetic-tape cassette with pivotal, nesting cover

Mask for magnetic tape cassettes

Mask structure for cassettes of magnetic tape

Means for visualization of rotary movement in tape cassettes

Mechanism for locking tape reel in magnetic tape cassette

Mechanism for opening and closing a shutter of magnetic disc cas

Mechanism to clamp magnetic disk against cartridge shell

Media cartridge having multiple tape position sensor windows

Media containing cartridge and drive therefor employing multiple

Media hub mounting system for minimizing Z-axis during cartridge

Media module

Member for limiting air door movement in a disk cartridge

Memory error signal devices for tape cassettes with memory

Method and apparatus for determining information and a cassette

Method and apparatus for indexing and labeling electronic disks

Method and apparatus for protecting a magnetic disk within a...