Optical unit for optically scanning an information surface, and

Optical unit for restoring a pulse pattern, receiver suitable fo

Optical unit for synchronizing clock signals

Optical unit for use in a laser beam printer or the like

Optical unit for use in laser beam printer apparatus

Optical unit for use in laser beam printer or the like

Optical upconverter apparatuses, methods and systems

Optical upconverter apparatuses, methods and systems

Optical upconverter apparatuses, methods, and systems

Optical wave network system and method of monitoring a...

Optical wave transmission

Optical wave-guide wavelength multiplexer and demultiplexer

Optical waveguide multiplexer for optical fiber amplifiers

Optical wavelength add/drop multiplexer

Optical wavelength add/drop multiplexer for dual signal...

Optical wavelength communication system and method of using same

Optical wavelength conversion apparatus and method

Optical wavelength division multiplexed signal amplifying...

Optical wavelength filter and optical demultiplexer

Optical wavelength multiplex transmission method and optical dis