Optical lens and method of producing the same, method of...

Optical lens vibration control for optical information recording

Optical media tracking method and apparatus for optical storage

Optical memory accessing and tracking apparatus with pickup and

Optical memory disk and track access therefor

Optical memory having a parallel read out

Optical memory system having a long seek capability

Optical memory system having a short seek capability

Optical memory system having improved positioning and focusing c

Optical memory system having track following and seeking capabil

Optical memory system providing improved focusing control

Optical output controlling method and apparatus

Optical pick-up device

Optical pick-up unit

Optical pickup device

Optical pickup driver having piezoelectric elements of...

Optical pickup having a driving unit for moving objective lens

Optical read/write apparatus

Optical reading device and optical recording device

Optical record carrier and apparatus for reading the record carr