Optical recording apparatus for varying pit width according to r
Optical recording device
Optical recording device
Optical recording head and belt positioning apparatus
Optical scanner and recorder
Optical scanner having variable power function and system using
Optical scanner without extra convergent lens
Optical scanning and imaging system utilizing laser diode
Optical scanning apparatus
Optical scanning apparatus and asymmetrical aspheric scanning le
Optical scanning device
Optical scanning device for scanning a predetermined surface wit
Optical scanning device used for image forming apparatus
Optical scanning with cylindrical lens and beam slit
Optical scanning with light quantity compensation
Optical system for changing laser beam spot size during scanning
Optical writer with vacuum tube and electro-optic shutter
Optically imaged recording apparatus
Overlay recording device for recording a plurality of informatio