Amplifying device

Amplitude and phase equalizer

Amplitude level controller for head IC, read circuit and...

Amplitude limiter circuit

Analog signal synthesizing processing circuit with periodic nois

Analog/digital compatible reproducing system

Angularly spaced spiral erase for media

Anti-copy system

Apparatus and method for adjusting positional sensitivity of dis

Apparatus and method for automatically controlling adjustment of

Apparatus and method for controlling an audio playback signal at

Apparatus and method for controlling inhibition of data...

Apparatus and method for controlling remnant magnetization...

Apparatus and method for controlling write current supplied...

Apparatus and method for correcting a read signal in a disk driv

Apparatus and method for preventing unauthorized dubbing of a re

Apparatus and method for providing a read signal for an...

Apparatus and method for recording and reproducing a digital sig

Apparatus and method for recording and reproducing information s

Apparatus and method for recording digital broadcast on...