Light signal reading method and apparatus using interference bet

Light source drive, optical information recording apparatus,...

Light source drive, optical information recording apparatus,...

Light source driving unit and optical storage apparatus

Light source driving unit and optical storage apparatus

Light source for optical head

Light source intensity control in an optical recording and repro

Light source unit and method of adjusting for maximizing focus a

Light spot advancing direction judging device and method,...

Light spot position control system and method by sampled servo

Light spot position control system and method by sampling servo

Light spot position detector

Light spot position detector and optical head

Light spot positioning method and optical disc memory apparatus

Light transmission device and apparatus including light...

Light-amount control device for an optical-disk recording-reprod

Light-emitting device and optical integrated device

Light-pick-up device and light source unit incorporated in...

Light-pickup device applied to a recording and/or...

Light-readable recording disc utilizing half-wavelength pits or