Double video cassette tape recorder

Double-cassette tape player

Double-door safety access port for automated tape library

Double-driving head actuator

Double-head magnetic transducer assembly for helical scan type t

Double-side magnetic recording-reproducing apparatus with fixed

Double-sided floppy disk driving apparatus having a mechanism fo

Double-sided magnetic recording device supporting two transducer

Double-sided recording method using slanted guide plates upstrea

Downstream finned shroud airstream conditioning apparatus...

Downstream finned stripper shroud airstream conditioning...

Drawer loading removable cartridge disk drive

Drive and winding reel arrangement in a magnetic recording and r

Drive apparatus for flexible magnetic discs

Drive apparatus for hard disc memories with an integrated...

Drive apparatus for magnetic discs

Drive apparatus for recording disks in which the disk is clamped

Drive arrangement for both a cassette loading mechanism and a ta

Drive belt release mechanism for magnetic disk drives

Drive circuitry for controlling movable video head