Optomagnetic recording/reproducing apparatus

Output control apparatus of semiconductor laser device

Output stabilizing apparatus for an optical head

Over current protection device

Overlay recording prevention device for optical disc apparatus

Packaged photographic film with a plurality of liquid crystal re

Packaging for storage devices using electron emissions

Parallel recording and reading of diffractive memory using...

Partial response coding for a multi-level optical recording chan

Passively aligned integrated optical head including light source

Pattern recognition type optical memory and optical...

Patterned media for a high density data storage device

Patterned media system

PCM digital audio signal playback apparatus

Peak detector for amplitude modulated signals

Phase change optical disk and method for using the same

Phase change optical information recording system with a header

Phase change record carries having crystalline nuclei and/or whi

Phase change recording apparatus having front and rear pulse cha

Phase change type optical recording apparatus and optical record