Disk drive employing field calibration based on marginal...

Disk drive employing off-line sector verification and...

Disk drive for relocating a block of data sectors near a...

Disk drive having data-guarding firmware

Disk drive unit and error recovery method executing shorter erro

Disk drive write verifying unformatted data sectors

Disk resident defective data sector information management syste

Disk unit and information processing apparatus

Dynamic loop gain alteration for data retrieval

Dynamic reverse reassign apparatus and method for a data recordi

Enhanced dibit extraction

Erasing and recovering system for data block on a magnetic tape

Error checking in a disk drive system using a modulo code

Error correction capability for longitudinal position data...

Error correction codes applied variably by disk zone, track,...

Error recovery data storage system and method with two position

Error recovery procedure using selective erasure

Error removal method for a multi-track tape recorder system

Flaw detection in disk drive using significant samples of...

Flexible BPI and TPI selection in disk drives