Optic disk protective assembly
Optic read unit for scanning a record carrier having a radiation
Optical actuator assembly with lens position sensor for...
Optical actuator including lens assembly with optical axis havin
Optical analyzer
Optical and magneto-optic data storage systems utilizing transmi
Optical and magnetooptical recording medium having a low thermal
Optical and reversible recording and reproducing apparatus
Optical and visual information recording medium, optical and...
Optical aperture for data recording having transmission...
Optical apparatus
Optical apparatus and aberration correcting element for...
Optical apparatus and aberration correcting element for...
Optical apparatus for effecting recording and/or reproducing of
Optical apparatus for optical information recording medium
Optical apparatus for optical pickup
Optical apparatus for recording/reproducing and...
Optical apparatus for scanning a tape-shaped record carrier
Optical apparatus for tracking a record carrier
Optical apparatus having reflecting porton split by an edge