Disk drive device having a single motor for rotating a plurality
Divided master tape production device, dubbing device and dubbin
Dubbing system
Duplicating system for video and audio signals using timebase co
Duplicator
Duplicator system manageable of life of mother tape
Electromagnetic drive circuitry for anhysteretic duplication of
Electronic device for fast duplication of magnetic tapes
Electronic device for the fast duplication of magnetic tapes
Electronic information tag
Elongated strip storage apparatus and recorder tape duplicator s
Fidelity control during operation of duplicator machines
Flexible diskette data duplication
Heating means for heating a magnetic tape above its Curie point
High speed contact printing process for prerecorded magnetic tap
High speed contact printing system
High speed recorded information duplicating equipment
High speed tape duplicating equipment
High speed tape duplicating machine
High speed thermomagnetic tape duplication