Eccentricity control device

Eccentricity correction apparatus for an optical disc device

Eccentricity suppressing servo method and apparatus

Electric circuit for providing a position indicator signal in a

Electro-magnetic actuator for driving an objective lens

Electro-optical device

Electromagnetic actuator and optical disk apparatus incorporatin

Electromagnetic driving apparatus including objective lens holde

Electromagnetic lens actuator for optical disk drive

Electronic offset compensation of the continuous composite track

Enhanced focus sending in optical information storage systems

Erasable optical disk and optical information recording/reproduc

Error correcting apparatus with error corecting signal holding f

Error detecting device for optical head

Error signal detecting apparatus of optical pickup adopting holo

Error signal detection apparatus and reproduction signal...

Error signal detection apparatus for an optical...

Error signal generating circuit

Error signal generation for light beam reflected from optical di

Exposure apparatus of an optical disk master, method of...