Data detection in a disk drive system using erasure pointers

Data processor for recording and reading out check data and true

Data recorder having self-diagnostic function using magnetic tap

Detection of asperities in recording surface of storage medium

Device for detecting tape characteristics and head position

Disk clock system with up-sampler to generate frequency offset

Disk drive and servo pattern write method for preventing read er

Electronic flying integrity tester for disk drives

Elimination of three pass write

Fly height control for a read/write head over patterned media

Flying height measurement method and system

Glide test head with active fly height control

Hard disk inspection method and system

Head vibration detection device and method

Head-disk interface preconditioning using write current...

High-speed CMOS buffer circuit with programmable quadratic...

Life/wear monitoring for magnetic tape

Low flying head detection using readback signal amplitude...

Magnetic disk evaluation apparatus

Magnetic recording and reproducing apparatus and cleaning casset