Optical neural network and method
Optical objective focus indicator and display
Optical or magnetooptical information recording/reproducing appa
Optical output controller with control based upon an output...
Optical paper sensor having alterable sensitivity and illuminati
Optical path adjusting system with dual-axis wedge prisms
Optical pattern tracer
Optical pattern tracing system
Optical pattern tracing system with improved manual control
Optical pattern tracing system with remotely controlled kerf and
Optical pick-up device
Optical pick-up device and objective lens therefor
Optical pick-up device for both focus and error tracking detecti
Optical pick-up device having light splitting means and focus er
Optical pick-up device with a light amount detecting device
Optical pick-up head and integrated type optical unit for use in
Optical pick-up head and integrated type optical unit for use in
Optical pick-up head and integrated type optical unit for use in
Optical pick-up head apparatus with optical means having polariz
Optical pickup