Optical pickup apparatus for accurate detection of a tracking er
Optical pickup apparatus for detecting a focus-error signal...
Optical pickup apparatus for detecting and correcting focusing a
Optical pickup apparatus for detection of focusing error, tracki
Optical pickup apparatus for optical disk drive and having a...
Optical pickup apparatus for optical record media and identifica
Optical pickup apparatus for phase changing optical disk
Optical pickup apparatus for recorded information with tilt indi
Optical pickup apparatus for simultaneously reading data...
Optical pickup apparatus having a bisected optical receiving ele
Optical pickup apparatus having a compact structure
Optical pickup apparatus having crosstalk balance and tilt corre
Optical pickup apparatus having means to eliminate crosstalk in
Optical pickup apparatus having optical detection area for...
Optical pickup apparatus having set positions of deflecting pris
Optical pickup apparatus having switch for allowing positional a
Optical pickup apparatus including an optical rotation device
Optical pickup apparatus including hologram element
Optical pickup apparatus of tilt control type
Optical pickup apparatus of tilt control type