Optical record carrier reader calculating track pitch and write

Optical recording and reproducing apparatus

Optical recording and reproducing apparatus having a multi-spot

Optical recording and reproducing apparatus having discrete opti

Optical recording and reproducing apparatus making access by mul

Optical recording and reproducing system having an accurate high

Optical recording and/or reproducing apparatus with synchronous

Optical recording apparatus

Optical recording device capable of recording file...

Optical recording device for adjusting the rotation rate of...

Optical recording medium and apparatus for recording and reprodu

Optical recording medium track indexing system

Optical recording medium, and apparatus and method for recording

Optical recording medium, recording/reproducing apparatus...

Optical recording/reproducing apparatus having disk lifetime est

Optical recording/reproducing apparatus with means to shift ligh

Optical recording/reproducing device using permissible ranges fo

Optical recording/reproducing method and apparatus for optical d

Optical reproducing head

Optical reproducing system having resume function based on...