Optimizing focus point for optical disc

Optimizing focus point for optical disc

Optimum gap determined recording/reproducing apparatus and...

Optimum power calibration method and optical disk drive

Optimum recording laser power control by testing an EFT signal's

Optimum reproduction laser power based on amplitude level of...

Optimum slice level signal reading apparatus for optical disk

Optimum-recording-speed determining method, recording-speed...

Opto-electronic apparatus for inscribing and/or reading recordin

Opto-electronic focussing-error detection system with a compound

Opto-magnetic disk unit with improved dynamic range characterist

Opto-magnetic head apparatus

Opto-magnetic pick-up device including phase difference correcti

Opto-magnetic recording apparatus for sequentially driving optic

Opto-magnetic recording apparatus having over-write and non-over

Opto-magnetic recording apparatus with a bias magnetic field gen

Opto-mechanical adjustment based on sensing label side of...

Optoelectronic method of reading data on a magnetic medium and c

Optomagnetic recording method and apparatus which precludes an i

Optomagnetic recording, reading and erasing method and implement