Balanced focus actuator for an optical storage system

Beam alignment signal processing

Beam alignment system

Beam applying method, optical recording medium, and...

Beam focus control system for optical record carrier scanning ap

BEAM IRRADIATION APPARATUS, OPTICAL APPARATUS HAVING BEAM...

Beam irradiation device and laser radar

Beam position control system of an optical disk unit

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

Bias voltage controlling apparatus, information reproducing...

Biaxial actuator for driving an objective lens in both focusing

Biaxial actuator, optical part and optical disk device