Data medium optical recording/reading device

Data recording system of magneto-optic type

Data storage apparatus

Data storage system having an optical processing flying head

Data storage system having thermally activated readout

Data writing/reading apparatus

Detector for magnetooptic recorders

Device and method for reproducing record information from...

Device for controlling rotation of a magnet used in a magneto-op

Device for optical reading and magnetic writing on a data carrie

Device for producing a high frequency modulation magnetic field

Device for reducing electromagnetic interference in disc recordi

Device with waveguide defined by dielectric in aperture of...

Differential detection assembly for data retrieval from a data s

Diffraction-based direct read during write using magneto-optic r

Direct overwrite magneto-optic system for strip erasing and reco

Directly overwrite information by using two radiation beams onto

Disc apparatus having a plurality of reading/recording head driv

Disc cartridge loading apparatus

Disc drive suspension and head