Optical pickup with structure to reduce vibration

Optical record carrier with surface layer extending to the cente

Optical recording and reproducing apparatus

Optical recording and reproducing apparatus

Optical recording and reproducing apparatus having device for co

Optical recording and reproducing apparatus having means for cor

Optical recording and/or reproducing apparatus having objective

Optical recording apparatus employing stacked recording media wi

Optical recording carrier, and recording-reading apparatus, and

Optical recording medium having substantially uniform...

Optical system driving device

Optical system driving device having improved vibrational...

Optical system driving mechanism for an optical system driving a

Optical tape cartridge

Optical tape focal plane stabilizer

Optical tape transport system using focus stabilizer

Optical-disc apparatus

Overload protected rack and pinion drive for an optical scanning

Part fixing method capable of costing down

Phase-shift and tilt adjustable disk player