Dual beam optical data system
Dual CD/DVD player with automatic disc identification
Dual half-aperture focusing and push-pull tracking using a...
Dual mode recording and reproducing apparatus having two recordi
Dual mode recording and reproducing apparatus having two recordi
DVD radial runout cancellation with self-calibration
Dynamic adjustment of disk-drive pickup signals
Dynamic tracking control in an optical recording system by sensi
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