Floppy disc with display of available space - has linear scale marked along one edge of disc sleeve with movable pointer positioned to indicate available space

摘要

A floppy magnetic disc of a type used with computer systems has a rectangular housing (1) with a sliding cover (2) that is moved to provide access for the heads of the disc drive. Along the opposite edge of the housing a linear scale (6) indicates the storage capacity of the disc. Pref., a coloured strip (8) located within a slot (7) can be moved as a marker to indicate the available disc space. Other variations on the theme are possible, with different forms of pointers for the scale. ADVANTAGE - Indicates available disc space using customary drive.