Aluminum-aluminum oxide stylus arm
Amplifier with peak and bottom signal level shifting control
Amplitude detector for signals having a periodical...
Amplitude modulated high frequency signal detection device
An apparatus for controlling the rotation and stabilizing the po
An information recording apparatus for recording a directory inf
An optical head having a rotating mirror
An optical head having a vertical flat plate shaped magnetic cir
Analog to digital converter and assembly for use in optical...
Analog to digital converter assembly for normalizing servo...
Analysis of optical effects on storage medium
Anamorphic prism, optical head and optical...
Angled strut diaphragm spring
Angular relationship detection device and method
Angularly multiplexed optical recording medium
Annealed optical information recording medium and optical...
Announcement system message playback arrangement
Anti-chipping recording disc, reading method and recording head
Anti-counterfeit compact disc
Anti-dust cover driving device for a CD player