Differentiation of media types via leader block characteristics

Differentiation of media types via leader block characteristics

Disk cartridge ejection mechanism and method

Door hinge

Door lock apparatus for use in a tape recorder

Door mechanism for a tape recorder

Door mechanism of a cassette insertion opening in an audio devic

Door opener for magnetic tape data cartridge

Door opening and closing mechanism for an automatic charger for

Door opening mechanism of cassette loading device

Door opening/closing mechanism

Double cassette tape player

Double density data storage library using back to back array...

Double insertion and inner lid float preventing mechanism

Double mode switch device for magnetic recording and reproducing

Double sided magnetic tape

Double video cassette tape recorder

Double-door safety access port for automated tape library

Drive and winding reel arrangement in a magnetic recording and r

Drive arrangement for both a cassette loading mechanism and a ta