Beam splitting system and optical information read/write device

Beam spot control device using a thin micro lens with an actuato

Beam spot position control device and beam spot position...

Beam spot speed detecting system for an optical disk apparatus

Beam track position control apparatus for optical disk apparatus

Beam-shaping optical element and device for converting a beam ha

Beam-splitting prism, method of manufacturing said prism, and op

Beamshaper for optical head

Bearing arrangement for an objective of an optical apparatus for

Beat density detecting apparatus and information playback...

Beat finder

BEMF timing system

Bi-level optical media having embossed header format

Bi-phase mark reproduction apparatus and optical disk drive...

Bias magnetic field abnormality detecting apparatus which contro

Bias magnetic field generating apparatus for magneto-optical rec

Bias magnetic field impress apparatus for opto-magnetic disk app

Bias magnetic field moving apparatus for a photomagnetic recordi

Bias voltage controlling apparatus, information reproducing...

Bias-Magnetic field generating system of photo-magnetic recordin