75301808
Jun 2, 1997
Mar 28, 2000
optical, opto-electronic and opto-electrical components, namely, opto electronic circuit boards, modules and assemblies for use with optical fibre networks and communication systems for generating optical signals, modulating optical signals and switching and routing optical signals; optical filters; opto electrical converters and assemblies therefor for converting electrical signals to optical signals and converting optical signals to electrical signals
Electrical and Scientific Apparatus