a.c. Self-biased magnetoresistive reproduce head utilizing secon

Apparatus and method for demodulating data signals read from a r

Apparatus for demodulating and decoding multi-level amplitude mo

Apparatus for use in recording a pulse signal on a magnetic reco

Automatic splaying picker finger

Bi-frequency servo pattern

Circuit and method for demodulating a servo position burst

Circuit and method for demodulating a servo position burst

Circuit for detecting frequency modulated signal

Circuit for generating a frequency-modulated signal indicative o

Demodulation compensation for spiral servo tracks in hard...

Demodulation compensation for spiral servo tracks in hard...

Demodulation compensation for spiral servo tracks in hard...

Demodulation of magnetically recorded data

Device for demodulating a frequency-modulated signal

Digital data recording and decoding

Digital modulated signal demodulator/decoder apparatus

Digital recording apparatus non-influenced by recording data...

Digital signal magnetic recording/reproducing apparatus

Disk apparatus including detection of disk clamping operation