Automatic exchanging system for storage and retrieval of magneti

Automatic flexible record feeding device

Automatic gain control circuit and method

Automatic gain control circuit for use in detecting servo pulses

Automatic gain control for magnetic disk-drive preamplifier

Automatic gain controlling circuit for recording and reproducing

Automatic head cleaning apparatus for magnetic recording/playbac

Automatic head height control apparatus

Automatic head position tracking system for video signals record

Automatic head retract system for disk drive

Automatic head retract system for disk drive

Automatic head scan tracking system

Automatic head switching control method and apparatus

Automatic head tracking system

Automatic head tracking system

Automatic head tracking system utilizing transducer deflecting m

Automatic helical scan head drum calibration and track timing ge

Automatic insertion/ejection linkage for a magnetic-tape-cassett

Automatic level adjustment with means for minimizing drop-out ef

Automatic library for data storage tape cartridges