Optical information recording/reproducing system with variable g

Optical information reproducing apparatus having circuit for...

Optical information reproducing apparatus using transversal filt

Optical information reproducing apparatus with tilt correction i

Optical information reproducing method and apparatus for...

Optical information reproducing method and apparatus for...

Optical information reproducing method, optical information...

Optical information reproducing method, optical information...

Optical information-recording/reproducing apparatus with cancell

Optical memory device

Optical memory system for a reading/writing, verifying and track

Optical memory system providing improved focus detection and con

Optical memory system which uses a different illumination mode w

Optical pickup control device

Optical pickup device

Optical pickup device having particularly shaped photodetectors

Optical pickup device with objective lens movable in two directi

Optical pickup device with tracking and focusing utilizing a pho

Optical power calibration at the outer edge of an optical...

Optical power calibration at the outer edge of an optical...