Optical drive servo with a servo processor receiving...

Optical element, optical disc and rotary encoder with the optica

Optical focusing device

Optical focussing device

Optical head apparatus for optical disc player

Optical head device

Optical head device for reading information stored in a recordin

Optical head position control for optical recording device

Optical information accessing system capable of generating one s

Optical information accessing system capable of reliable jump-ba

Optical information record/read apparatus

Optical information recorder

Optical information recording and reproducing apparatus

Optical information recording and reproducing apparatus adapted

Optical information recording and reproducing apparatus and meth

Optical information recording and reproducing apparatus using tr

Optical information recording and reproducing apparatus with vib

Optical information recording disk and optical information recor

Optical information recording-reproducing apparatus

Optical information recording-reproducing method and apparatus i