Device and method for calibrating linear velocity and track...

Device and method for controlling movement of focusing lens for

Device and method for controlling optical...

Device and method for recording data to optical disk using...

Device and method for writing data

Device and method of recording information on an optical disc

Device and method of recording information on an optical disc

Device for compensating the lack of balance of a deviating mirro

Device for deriving a sampling rate

Device for displacing the reading head of a video disc in radial

Device for feedback controlling focus of an optical system in an

Device for focus and alignment control in optical recording and/

Device for processing optical data with improved optical allignm

Device for scanning a radiation-reflecting information surface w

Device that records on an optical disc and method thereof

Differential track recording

Diffraction grating using birefringence and optical head in whic

Digital data reproducing apparatus

Digital optical compact disc and compact disc player

Digital optical disc with writeable regions and optical disc pla