Process for intentional deterioration of the contents of an...

Process for optical information storage

Process for optically storing information using materials having

Producing optical recording using optimum write power

Programmable mark detection and windowing for optical disk contr

Pulse train condition/heat shut off condition determination meth

Pulse width modulation optical disk drive with pulsed laser preh

Push-pull signal-generating apparatus, and optical-disk...

Quality degradation through compression/decompression

Quarter-wave plate, and optical pickup device

Radial transmission cancellation device

Radiation source-detection unit employing a grating having two g

Radio frequency zero crossing signal generator for optical...

Read circuit for disc player

Read head for ultra-high-density information storage media...

Read out apparatus for reading out information from magneto-opti

Read-write optical disk

Read/write CD ROM system using an electro-optic modulator to cro

Read/write head for optical disks

Read/write laser-detector-grating unit (LDGU) with an orthogonal