Controlling method and apparatus for integral personal computer

Controlling playing operations of a plurality of magazine type d

Controlling system for optical storage apparatus using pulse wid

Correlation of sectored servo position information

Cross

Data accessing system for optical disk mass memory

Data buffer management to enable apparent simultaneous...

Data carrier archiving system

Data cartridge detector

Data cartridge interlock release actuator system

Data disk including supplementary information enabling retrieval

Data flow management system for recordable media

Data information recording/reproducing apparatus which minimizes

Data medium storage and retrieval devices

Data playback device to control a laser illuminating position by

Data playback system for random selections

Data processing system using an optical disc apparatus

Data processing system with collating processing at start up for

Data processing system with mixed media memory packs

Data protecting system for an echangeable storage medium compris