DATA COMMUNICATIONS PRODUCTS FOR COMPUTER SYSTEMS

ELECTRICAL LIMIT SWITCHING APPARATUS AND POSITION SENSING APPARATUS USING OPTICALLY ISOLATED MULTIPLEX PULSE-ENERGIZED LIGHT SOURCES AND RELATED PHOTOELECTRIC DETECTORS HAVING A SELECTIVE RESPONSE CHARACTERISTIC MATCHED TO THE PULSE ENERGIZATION CHARACTERISTIC OF THE LIGHT SOURCE, PRIMARILY FOR USE IN SAWMILLS AND OTHER INDUSTRIAL PLANTS

Optical demultiplexer for use in the field of global network telecommunications

Optical multiplexer for use in the field of global network telecommunications

Optical multiplexer for combining two or more optical signals into a composite optical signal

Downloadable mobile applications for a searchable database featuring a market place for buyers and sellers of motor vehicles and real estate