Adaptive preamplifier for resonance tuning useful in a disk driv

Adjustable writer overshoot for a hard disk drive write head

Adjusting a read detection equalizer filter of a magnetic...

Adjusting voltage delivered to disk drive circuitry based on...

Adjustment of pole frequency and boost settings of a filter...

Adjustment of position slope for disk drive servo using half-tra

AGC circuit and recording and reproducing apparatus using AGC ci

AGC circuit with transient response control in a magnetic disk u

Alignment tape for magnetic recording and playback devices and d

Alternating-azimuth angle helical track format using grouped...

Ampere wire write head with confined magnetic fields

Amplification circuit

Amplification of signals produced by a magnetic sensor

Amplification of signals produced by a magnetoresistive element

Amplifier apparatus and magnetic recording and reproducing...

Amplifier having a differential input capacitance cancellation c

Amplifier input circuit having a figure eight conductive pattern

Amplifier with capacitive feedback for driving a magneto-resisti

Amplifier with howling-preventing circuit

Amplifying circuit for magnetic record and playback apparatus ha