Optical pickup control device

Optical pickup device

Optical pickup device and recording medium used therefor

Optical pickup device having particularly shaped photodetectors

Optical pickup device with objective lens movable in two directi

Optical pickup device with tracking and focusing utilizing a pho

Optical power calibration at the outer edge of an optical...

Optical power calibration at the outer edge of an optical...

Optical power calibration method according to a data writing...

Optical power level-controlling device for stable...

Optical read/write device

Optical read/write head for recording and playback of an optical

Optical reading apparatus

Optical reading or writing apparatus

Optical reading/reproducing apparatus

Optical record carrier recording device and method...

Optical record carrier scanning apparatus with scanning beam foc

Optical record medium including data record region and directory

Optical recorder and laser power control method

Optical recorder and reader of data on light sensitive media