Optical disc apparatus employing an objective lens having a...

Optical disc apparatus for controlling laser power for each zone

Optical disc apparatus for discriminating type of optical...

Optical disc apparatus for finding a tracking error for an...

Optical disc apparatus for installing two types of optical discs

Optical disc apparatus for processing data according to...

Optical disc apparatus for recording and reproducing data onto a

Optical disc apparatus for recording and reproducing signals on

Optical disc apparatus for recording and/or reproducing...

Optical disc apparatus for recording the RF signal component in

Optical disc apparatus for selectively reading data and...

Optical disc apparatus having a particular lasar source orientat

Optical disc apparatus having automatic gain control circuit of

Optical disc apparatus having compensation for objective...

Optical disc apparatus having improved read accuracy with non-li

Optical disc apparatus including a divided photodetector

Optical disc apparatus lens drive apparatus and method for the m

Optical disc apparatus switching focus point between layers

Optical disc apparatus switching focus point between layers

Optical disc apparatus switching focus point between layers