Disk-changing device with reciprocating back-switching step cam

Disk-changing unit with modular design

Disk-drive apparatus waith rattle-preventing cartridge magazine

Double picker drive multiplexing mechanism

Double solenoid focus actuator for optical recording/playback ap

Double-side playing optical disk player

Double-sided disk player

Double-sided reproducing disk player

Double-sides playable disc player

Drive arrangement for the writing/reading heads of a magneto-opt

Drive control mechanism for a phonograph

Drive for storage medium

Drive force-transmitting mechanism

Drive mechanism for rotating storage media

Drive motor and spindle assembly for an optical disk drive

Drive motor having moving rotor for compact disc player apparatu

Drive unit with axially movable turntable for receiving an optic

Driver arrangement for stylus lifting/lowering apparatus

Driving device for a recording medium

Driving mechanism for a record player