Optical Devices Or Arrangements For The Control Of Light By Modification Of The Optical Properties Of The Media Of The Elements Involved Therein; Non-linear Optics; Frequency-changing Of Light; Optical Logic Elements; Optical Analogue/digital Converters
G06F
Electric Digital Data Processing
H01L
Semiconductor Devices; Electric Solid State Devices Not Otherwise Provided For
G09G
Arrangements Or Circuits For Control Of Indicating Devices Using Static Means To Present Variable Information
