CZECH LIGHT

Electronic and optical communications instruments and components, namely, optical receivers, optical transmitters, optical transceivers, optical switches, optical routers, optical spectrum processors, optical dispersion compensators, optical splitters, optical filters, optical circulators, optical isolators, optical multiplexers and demultiplexers, optical channel monitors, optical spectrum monitors, optical spectrum analyzers, optical attenuators, variable optical attenuators; passive optical components, namely, optical cable connectors and patch-cords; optical amplifiers; a set of devices for optical transmission of data and non-data signals without fiber over space in air, other transparent gasses or a vacuum, namely, optical receivers, optical transmitters, optical signal detectors, optical light conduits, optical light source drivers, optical lens, collimators, and amplifiers; the aforementioned being free space optics for information transmission; optical lens sights for the establishing of a free space optics transmission link using for it light or sound; apertures for optical receivers, namely, light apertures to be used in conjunction with free space optics receivers, fixtures and mounts for a free space optics transmission receivers and transmitters and meshes comprising of some previously mentioned components mutually interconnected

Communication by fiber optic networks

Designing of equipment for transmission and processing of optical signals; research and development of new products in the field of transmission and processing of optical signals